CN103154621B - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN103154621B CN103154621B CN201180048623.0A CN201180048623A CN103154621B CN 103154621 B CN103154621 B CN 103154621B CN 201180048623 A CN201180048623 A CN 201180048623A CN 103154621 B CN103154621 B CN 103154621B
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- running
- radiation
- heat
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- temperature
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
Feel air current flow sense hardly, improve heating capacity.Air conditioner (1) has indoor set (2) and the off-premises station (3) be connected with indoor set via refrigerant loop, and indoor set (2) possesses the heat exchanger (20) of a part and radiant panel (22) respectively with the pipe arrangement forming refrigerant loop and the fan (21) be configured near heat exchanger (20).Air conditioner (1) can carry out warm braw and heat running, radiation heats running and radiation gentle breeze heats running, heat in running at warm braw, in radiant panel (22), do not flow through cold-producing medium and in heat exchanger (20), flow through cold-producing medium and carry out warm braw and heat, heat in running in radiation, in heat exchanger (20), flow through cold-producing medium carry out warm braw and heat and in radiant panel (22), flow through cold-producing medium and carry out radiation and heat, heat in running at radiation gentle breeze, in heat exchanger (20), flow through cold-producing medium carry out warm braw and heat and in radiant panel (22), flow through cold-producing medium and carry out radiation and heat, and, compare when heating running with warm braw when heating running with radiation, reduce the air quantity produced by fan (21).
Description
Technical field
The present invention relates to the air conditioner with heat exchanger, fan and radiant panel.
Background technology
As the indoor set of air conditioner, the known device with following structure: the indoor fan (such as patent document 1) that there is the heat exchanger of a part of the pipe arrangement forming refrigerant loop and radiant panel respectively and be configured near heat exchanger.As heating mode of operation, this air conditioner can be set to carry out warm braw heat the fan panel pattern, the automatic switchover warm braw that heat both sides with radiation heat heat with radiation automatic mode, do not carry out warm braw and heat and only carry out any one party in the panel pattern that radiation heats.Not carrying out warm braw when only carrying out radiation to heat when heating, stopping the running of indoor fan.In addition, when only carrying out radiation and heating, and carry out warm braw and heat the situation heating both sides with radiation and compare, the operating frequency of compressor is set as lower.
Prior art document
Patent document
Patent document 1: Japanese Laid-Open Patent Publication 63-113239 publication
Summary of the invention
The problem that invention will solve
But when carrying out the operating frequency of the situation decline low compression machine that radiation heats not carrying out warm braw to heat, the scarce capacity that radiation heats, cannot heat sometimes fully.Further, when improving the operating frequency of compressor to improve ability that radiation heats, because indoor fan stops, so the heat exchange amount of the cold-producing medium in heat exchanger reduces, the pressure in refrigerant loop uprises.Therefore, the problem making the running of air conditioner stop due to High Abnormal Pressure is produced.
In addition, when carry out warm braw heat heat both sides with radiation time, the operating frequency of compressor can be improved, address these problems, but, air current flow sense can be caused in heating at common warm braw, so, cannot realize requiring not have the user heated of air current flow sense to expect.
Therefore, the object of the invention is to, provide and make user feel air current flow sense hardly, the air conditioner of heating capacity can be improved.
For solving the means of problem
The air conditioner of the 1st aspect has indoor set and the off-premises station be connected with described indoor set via refrigerant loop, it is characterized in that, described indoor set possesses heat exchanger and the radiant panel of a part respectively with the pipe arrangement forming described refrigerant loop, and the fan be configured near described heat exchanger, described air conditioner can carry out radiation heat running and radiation gentle breeze heat running, heat in running in described radiation, in described heat exchanger, flow through cold-producing medium carry out warm braw and heat, and in described radiant panel, flow through cold-producing medium carry out radiation and heat, heat in running at described radiation gentle breeze, in described heat exchanger, flow through cold-producing medium carry out warm braw and heat, and in described radiant panel, flow through cold-producing medium carry out radiation and heat, and, the radiation gentle breeze reducing the air quantity produced by described fan compared with when carrying out heating running with described radiation heats.
In this air conditioner, when radiation gentle breeze heats running, owing to reducing the air quantity produced by fan, so, user can be made hardly to feel that the warm braw of air current flow sense heats.In addition, do not make fan stop, thus, the heat exchange amount of heat exchanger is comparatively large, so, the hypertonia in refrigerant loop can be prevented.Therefore, with fan is stopped and only carrying out compared with situation that radiation heats, the rotating speed of the compressor of off-premises station can being increased, can heating capacity being improved.
Air conditioner in the 2nd, on the basis in the 1st, is characterized in that, described air conditioner has: indoor temperature transmitter, and it detects the temperature being provided with the indoor of described indoor set; And switch unit, it is according to the indoor temperature that detected by described indoor temperature transmitter, switches described radiation and heats running and described radiation gentle breeze heats running.
In this air conditioner, running can be heated according to indoor temperature to radiation and radiation gentle breeze heats and switches, heat running to make carrying out radiation when indoor temperature is low, carry out radiation gentle breeze when indoor temperature is high and heat running.Thus, when indoor temperature is low, indoor temperature can be made to increase rapidly, and, after indoor temperature raises, can automatically switch to and almost there is no heating of air current flow sense.
Air conditioner in the 3rd, on the basis in the 1st or the 2nd, it is characterized in that, described air conditioner has: compressor, and it is arranged in described off-premises station; Control unit, it controls described compressor; And memory cell, it stores the higher limit relevant with the pressure in described heat exchanger, when carry out described radiation heat running and described radiation gentle breeze heat at least one party in running, described control unit controls described compressor, with make the pressure in described heat exchanger and the pressure corresponding with described higher limit roughly consistent.
In this air conditioner, when radiation heats running or when radiation gentle breeze heats running, compressor is controlled, to make the pressure in refrigerant loop and pressure upper limit roughly consistent, so, can heating capacity be improved.
Air conditioner in the 4th, on basis in the 3rd, it is characterized in that, described air conditioner has the heat exchange temperature sensor being arranged on described heat exchanger, described memory cell stores the ceiling temperature of the heat exchange temperature of described heat exchanger, as the described higher limit relevant with the pressure in described heat exchanger, when carry out described radiation heat running and described radiation gentle breeze heat at least one party in running, described control unit controls described compressor, to make the heat exchange temperature that detected by described heat exchange temperature sensor roughly consistent with described ceiling temperature.
In this air conditioner, by controlling compressor, to make the heat exchange temperature that detected by heat exchange temperature sensor roughly consistent with ceiling temperature, can be controlled to and make the pressure in refrigerant loop and pressure upper limit roughly consistent.
The air conditioner of the 5th aspect has indoor set and the off-premises station be connected with described indoor set via refrigerant loop, it is characterized in that, described indoor set possesses heat exchanger and the radiant panel of a part respectively with the pipe arrangement forming described refrigerant loop, and the fan be configured near described heat exchanger, described air conditioner can carry out warm braw heat running and radiation gentle breeze heat running, heat in running at described warm braw, in described radiant panel, do not flow through cold-producing medium and in described heat exchanger, flow through cold-producing medium and carry out warm braw and heat, heat in running at described radiation gentle breeze, in described heat exchanger, flow through cold-producing medium carry out warm braw and heat and in described radiant panel, flow through cold-producing medium and carry out radiation and heat, and, the radiation gentle breeze reducing the air quantity produced by described fan compared with when carrying out heating running with described warm braw heats.
In this air conditioner, when radiation gentle breeze heats running, owing to reducing the air quantity produced by fan, so, user can be made hardly to feel that the warm braw of air current flow sense heats.In addition, do not make fan stop, thus, the heat exchange amount of heat exchanger is comparatively large, so, the hypertonia in refrigerant loop can be prevented.Therefore, with fan is stopped and only carrying out compared with situation that radiation heats, the rotating speed of the compressor of off-premises station can being increased, can heating capacity being improved.
Air conditioner in the 6th, on the basis in the 5th, is characterized in that, described air conditioner has: compressor, and it is arranged in described off-premises station; Control unit, it controls described compressor; And memory cell, it stores the higher limit relevant with the pressure in described heat exchanger, when carrying out described radiation gentle breeze and heating running, described control unit controls described compressor, with make the pressure in described heat exchanger and the pressure corresponding with described higher limit roughly consistent.
In this air conditioner, when radiation gentle breeze heats running, compressor is controlled, to make the pressure in refrigerant loop and pressure upper limit roughly consistent, so, can heating capacity be improved.
Air conditioner in the 7th, on basis in the 6th, it is characterized in that, described air conditioner has the heat exchange temperature sensor being arranged on described heat exchanger, described memory cell stores the ceiling temperature of the heat exchange temperature of described heat exchanger, as the described higher limit relevant with the pressure in described heat exchanger, when carrying out described radiation gentle breeze and heating running, described control unit controls described compressor, to make the heat exchange temperature that detected by described heat exchange temperature sensor roughly consistent with described ceiling temperature.
In this air conditioner, by controlling compressor, to make the heat exchange temperature that detected by heat exchange temperature sensor roughly consistent with ceiling temperature, can be controlled to and make the pressure in refrigerant loop and pressure upper limit roughly consistent.
Air conditioner in the 8th, on basis in any one in the 1st ~ 7th, it is characterized in that, described air conditioner has the valve system regulated the amount of the cold-producing medium being supplied to described radiant panel, in described refrigerant loop, be arranged side by side described radiant panel and described valve system and described heat exchanger.
In this air conditioner, because radiant panel and valve system and heat exchanger are arranged side by side, so, carry out opening and closing by means of only to valve system, just only can carry out running that warm braw heats and the radiation of flowing through cold-producing medium in radiant panel to not flowing through cold-producing medium in radiant panel and heat running or radiation gentle breeze and heat running and switch.
Invention effect
As described above, according to the present invention, following effect can be obtained.
In in the 1st and the 5th, when radiation gentle breeze heats running, owing to reducing the air quantity produced by fan, so, user can be made hardly to feel that the warm braw of air current flow sense heats.In addition, do not make fan stop, thus, the heat exchange amount of heat exchanger is comparatively large, so, the hypertonia in refrigerant loop can be prevented.Therefore, with fan is stopped and only carrying out compared with situation that radiation heats, the rotating speed of the compressor of off-premises station can being increased, can heating capacity being improved.
In in the 2nd, running can be heated according to indoor temperature to radiation and radiation gentle breeze heats and switches, heat running to make carrying out radiation when indoor temperature is low, carry out radiation gentle breeze when indoor temperature is high and heat running.Thus, when indoor temperature is low, indoor temperature can be made to increase rapidly, and, after indoor temperature raises, can automatically switch to and almost there is no heating of air current flow sense.
In in the 3rd and the 6th, when radiation heats running or when radiation gentle breeze heats running, compressor is controlled, to make the pressure in refrigerant loop and pressure upper limit roughly consistent, so, can heating capacity be improved.
In in the 4th and the 7th, by controlling compressor, to make the heat exchange temperature that detected by heat exchange temperature sensor roughly consistent with ceiling temperature, can be controlled to and make the pressure in refrigerant loop and pressure upper limit roughly consistent.
In in the 8th, because radiant panel and valve system and heat exchanger are arranged side by side, so, carry out opening and closing by means of only to valve system, just only can carry out running that warm braw heats and the radiation of flowing through cold-producing medium in radiant panel to not flowing through cold-producing medium in radiant panel and heat running or radiation gentle breeze and heat running and switch.
Accompanying drawing explanation
Fig. 1 is the loop diagram of the schematic configuration of the air conditioner that embodiment of the present invention is shown, be when cooling operation is shown and warm braw heats running time the figure of flowing of cold-producing medium.
Fig. 2 is the loop diagram of the schematic configuration of the air conditioner that embodiment of the present invention is shown, be when illustrating that radiation heats running and radiation gentle breeze heats running time the figure of flowing of cold-producing medium.
Fig. 3 is the block diagram of the schematic configuration illustrated the control part that air conditioner controls.
Fig. 4 is the curve map of the action in each portion of air conditioner when illustrating that radiation 1 operation mode operates, indoor temperature and radiant panel temperature.
Fig. 5 is the curve map of the action in each portion of air conditioner when illustrating that radiation 2 operation mode operates, indoor temperature and radiant panel temperature.
Detailed description of the invention
Below, the embodiment of air conditioner 1 of the present invention is described.
The overall structure > of < air conditioner 1
As depicted in figs. 1 and 2, the air conditioner 1 of present embodiment has indoor set 2 disposed in the interior, off-premises station 3 disposed in the outdoor and remote controller 4(with reference to Fig. 3).Indoor set 2 has indoor heat converter 20, be configured in indoor fan 21 near indoor heat converter 20, radiant panel 22, electric room valve (valve system) 23, for detecting the indoor temperature transmitter 24 of indoor air temperature.Further, off-premises station 3 has compressor 30, four-way switching valve 31, outdoor heat converter 32, is configured in outdoor fan 33 near outdoor heat converter 32 and outdoor motor-driven valve 34.
In this air conditioner 1, indoor heat converter 20, compressor 30, four-way switching valve 31, outdoor heat converter 32 are connected with outdoor motor-driven valve 34, form the refrigerant loop 10 of ring-type.Further, in refrigerant loop 10, by the pipe arrangement of bypass pipe arrangement 11 junction chamber inside heat exchanger 20 both sides.
This bypass pipe arrangement 11 is provided with radiant panel 22 and electric room valve 23.Panel entry temperature sensor 25 and Face plate outlet temperature sensor 26 is attached in the both sides of the radiant panel 22 of bypass pipe arrangement 11.Further, get involved between the suction side and four-way switching valve 31 of the compressor 30 of refrigerant loop 10 and be provided with reservoir 35, between the discharge side and four-way switching valve 31 of the compressor 30 of refrigerant loop 10, be attached to discharge temperature sensor 36.Further, outdoor heat converter 32 is attached to outdoor heat exchange temperature sensor 28.
Indoor heat converter 20 has the pipe arrangement of the part forming refrigerant loop, and is attached to Indoor Thermal exchange temperature sensor 27.Indoor heat converter 20 is configured in the inlet side of indoor fan 21.The air be heated or cooled by carrying out heat exchange with indoor heat converter 20 is blown out to indoor by indoor fan 21 as warm braw or cold wind, carries out warm braw thus and heats or freeze.
Radiant panel 22 is configured in the face side of indoor set 2, has the pipe arrangement of the part forming refrigerant loop.Carry out radiation by making the heat radiation of the cold-producing medium flowing through this pipe arrangement to indoor to heat.Electric room valve 23 is arranged to regulate the flow of the cold-producing medium provided to radiant panel 22.
The air conditioner 1 of present embodiment can carry out cooling operation, warm braw heats running, radiation heats running and radiation gentle breeze heats running.Cooling operation in radiant panel 22, does not flow through cold-producing medium and in indoor heat converter 20, flows through the running that cold-producing medium carries out freezing, and it is in radiant panel 22, do not flow through cold-producing medium and in indoor heat converter 20, flow through cold-producing medium carry out the running that warm braw heats that warm braw heats running.It is in indoor heat converter 20, flow through cold-producing medium carry out warm braw and heat that radiation heats running, and in radiant panel 22, flows through cold-producing medium carry out the running that radiation heats.When radiation gentle breeze heats when running is to heat running than warm braw and radiation heats running, low air quantity carries out warm braw and heats, and in radiant panel 22, flows through cold-producing medium carry out the running that radiation heats.
The flowing of Fig. 1 and Fig. 2 to the cold-producing medium of refrigerant loop during each running is used to be described.
When cooling operation, electric room valve 23 valve closing, and four-way switching valve 31 is switched to state shown in dotted lines in Figure 1.Therefore, as shown in the arrow of dotted line in Fig. 1, the high-temperature high-pressure refrigerant of discharging from compressor 30 passes through four-way switching valve 31 inflow outdoor heat exchanger 32.Then, carry out after condensed cold-producing medium reduced pressure by outdoor motor-driven valve 34 in outdoor heat converter 32, inflow indoor heat exchanger 20.Then, the cold-producing medium in indoor heat converter 20 after evaporation flows into compressor 30 via four-way switching valve 31 and reservoir 35.
When warm braw heats running, electric room valve 23 valve closing, and four-way switching valve 31 is switched to the state in Fig. 1 shown in solid line.Therefore, as shown in the arrow of solid line in Fig. 1, the high-temperature high-pressure refrigerant of discharging from compressor 30 passes through four-way switching valve 31 inflow indoor heat exchanger 20.Then, carry out after condensed cold-producing medium reduced pressure by outdoor motor-driven valve 34 in indoor heat converter 20, inflow outdoor heat exchanger 32.Then,
Cold-producing medium in outdoor heat converter 32 after evaporation flows into compressor 30 via four-way switching valve 31 and reservoir 35.
When radiation heats running and when radiation gentle breeze heats running, electric room valve 23 valve opening, and four-way switching valve 31 is switched to the state in Fig. 2 shown in solid line.Therefore, as shown in the arrow of solid line in Fig. 2, the high-temperature high-pressure refrigerant of discharging from compressor 30 passes through four-way switching valve 31 inflow indoor heat exchanger 20 and radiant panel 22.Then, carry out after condensed cold-producing medium reduced pressure by outdoor motor-driven valve 34 in indoor heat converter 20 and radiant panel 22, inflow outdoor heat exchanger 32.Then, the cold-producing medium in outdoor heat converter 32 after evaporation flows into compressor 30 via four-way switching valve 31 and reservoir 35.
< remote controller 4>
In remote controller 4, carried out the operation of the start/stop operated, the setting of operation mode, the setting of the target temperature (indoor design temperature) of indoor temperature, the setting etc. of blowout air quantity by user.As shown in table 1, in the air conditioner 1 of present embodiment, by the operation of remote controller 4, any one party in cooling operation pattern and heating mode of operation can be selected as main operation mode.
When have selected heating mode of operation as main operation mode, as shown in table 1, any one party in radiation 1 operation mode that comprises in warm braw heating mode of operation, radiation heating mode of operation and radiation 2 operation mode can be selected.
[table 1]
As shown in table 1, cooling operation pattern is the pattern of carrying out cooling operation, warm braw heating mode of operation carries out the pattern that warm braw heats running, radiation 1 operation mode heats running according to indoor temperature to radiation and radiation gentle breeze heats the pattern that switches of operating, and radiation 2 operation mode carries out the pattern that radiation gentle breeze heats running.In addition, when have selected warm braw heating mode of operation or cooling operation pattern, any one party in " air quantity is automatic ", " by force ", " weak " can be selected to set as air quantity.In addition, in the present embodiment, when have selected radiation 1 operation mode or radiation 2 operation mode, air quantity is automatically controlled.
< control part 5>
Then, with reference to Fig. 3, the control part 5 controlled air conditioner 1 is described.
As shown in Figure 3, control part 5 has storage part (memory cell) 50, operation mode control part (switch unit) 51, electric room valve control part 52, indoor fan control part 53, compressor control portion (control unit) 54 and outdoor motor-driven valve control part 55.
(storage part 50)
In storage part 50, store relevant with air conditioner 1 various running set, control program, perform tables of data etc. required for this control program.In running setting, exist and pass through to be operated remote controller 4 by user and situation about setting and in advance for the situation that air conditioner 1 sets as the target temperature (indoor design temperature) of indoor temperature.In the air conditioner 1 of present embodiment, the target temperature range of radiant panel 22 is redefined for set point of temperature scope (such as 50 ~ 55 DEG C).In addition, the target temperature range of radiant panel 22 also can be set by the operation of remote controller 4.In addition, in storage part 50, store the ceiling temperature of the heat exchange temperature in the indoor heat converter 20 corresponding with the pressure upper limit in indoor heat converter 20.
(operation mode control part 51)
When the operation that the running having carried out cooling operation pattern, warm braw heating mode of operation or radiation 2 operation mode by remote controller 4 starts, operation mode control part 51 starts to carry out cooling operation, heat running or radiation gentle breeze heats running.
And, when having been carried out the operation that the running of radiation 1 operation mode starts by remote controller 4, when the indoor temperature detected by indoor temperature transmitter 24 is less than indoor design temperature, operation mode control part 51 starts to carry out radiation and heats running, and, when indoor temperature is more than indoor design temperature, operation mode control part 51 starts to carry out radiation gentle breeze and heats running.
In addition, in the air conditioner 1 of present embodiment, when starting to operate in the operation by remote controller 4, when indoor temperature is than indoor design temperature more than high set point of temperature Tb, do not start to carry out heating running.
And, when radiation 1 operation mode operates, when to heat the indoor temperature detected by indoor temperature transmitter 24 in the process of running be more than indoor design temperature in radiation, operation mode is heated running from radiation and switches to radiation gentle breeze to heat running by operation mode control part 51, and, when radiation gentle breeze heats the set point of temperature Ta more than lower than indoor design temperature of indoor temperature in the process of running, operation mode is heated running from radiation gentle breeze and switches to radiation to heat running by operation mode control part 51.
And, when carrying out heating running, indoor temperature is than indoor design temperature more than high set point of temperature Tb, operation mode control part 51 shuts down automatically (does not carry out heat exchange, thermo-off), then, when indoor temperature is lower than indoor design temperature, operation mode control part 51 starts to carry out operating (to carry out heat exchange again
thermo-on）。
(electric room valve control part 52)
The aperture of electric room valve control part 52 pairs of electric room valves 23 controls.As shown in table 2, when cooling operation or when warm braw heats running, electric room valve control part 52 makes electric room valve 23 valve closing.In addition, the state of a control of electric room valve 23, indoor fan 21 and compressor 30 when table 2 illustrates each running.
[table 2]
As shown in table 2, when radiation heats running or when radiation gentle breeze heats running, electric room valve control part 52 controls according to the aperture of temperature to electric room valve 23 of radiant panel 22.Specifically, according to the mean value of the temperature detected respectively by panel entry temperature sensor 25 and Face plate outlet temperature sensor 26, calculate the surface temperature (predicted value) of radiant panel 22, the aperture of electric room valve 23 is controlled, is within panel target temperature range (such as 50 ~ 55 DEG C) to make the predicted value of the surface temperature of this radiant panel 22 (hereinafter referred to as radiant panel temperature).The aperture of electric room valve control part 52 pairs of electric room valves 23 controls, and to make radiant panel temperature lower than panel target temperature range, the flow being supplied to the cold-producing medium of radiant panel 22 increases.But, from running time (when the running based on the operation of remote controller 4 starts or when starting based on the running carrying out heat exchange) to through stipulated time t1, electric room valve 23 controls as initial opening by electric room valve control part 52.In addition, in the present embodiment, in order to calculate radiant panel temperature, use the detected temperatures both sides of panel entry temperature sensor 25 and Face plate outlet temperature sensor 26, but, also only can use the detected temperatures of panel entry temperature sensor 25, only can also use the detected temperatures of Face plate outlet temperature sensor 26.
(indoor fan control part 53)
The rotating speed of indoor fan control part 53 pairs of indoor fans 21 controls.The fan setting selected respectively when table 3 illustrates when the air quantity that warm braw heats running operates automatically, radiation heats running and when radiation gentle breeze heats running and set corresponding rotating speed with each fan.
[table 3]
※c1＜a5＜a4＜a3＜a2＜a1
※c1＜b7＜b6＜b5＜b4＜b3＜b2＜b1
When the air quantity that warm braw heats running operates automatically, indoor fan control part 53 is according to the indoor temperature detected by indoor temperature transmitter 24 and indoor design temperature etc., any one party in the fan setting A1 ~ A5 in the stage of 5 shown in option table 3, controls indoor fan 21 as setting corresponding rotating speed (a1 ~ a5) with this fan.In addition, running being heated for warm braw, when setting " by force " or " weak " sets as air quantity, adopting the fan setting preset respectively.
And, when air quantity when cooling operation operates automatically, indoor fan control part 53 is according to the indoor temperature detected by indoor temperature transmitter 24 and indoor design temperature etc., select any one party in the multiple fan settings preset, indoor fan 21 is controlled as setting corresponding rotating speed with this fan.In addition, for cooling operation, when setting " by force " or " weak " sets as air quantity, the fan setting preset is adopted respectively.
In addition, when radiation heats running, indoor fan control part 53 is according to the indoor temperature detected by indoor temperature transmitter 24 and indoor design temperature etc., any one party in the fan setting B1 ~ B7 in the stage of 7 shown in option table 3, controls indoor fan 21 as setting corresponding rotating speed (b1 ~ b7) with this fan.
In addition, when radiation gentle breeze heats running, indoor fan 21 controls as setting rotating speed c1 corresponding to C1 with the fan shown in table 3 by indoor fan control part 53.Any one in rotating speed b1 ~ b7 when rotating speed a1 ~ a5 when rotating speed c1 heats running than warm braw and radiation heat running is all little.Rotating speed c1 is the sound that produces hardly with the rotation of indoor fan 21 and feels the value of air current flow sense hardly.
(compressor control portion 54)
The operating frequency of the 54 pairs of compressors 30 in compressor control portion controls.
When warm braw heats running and cooling operation time, control according to the frequency to compressor 30 such as indoor temperature and indoor design temperature.Specifically, 54 pairs, compressor control portion compressor 30 controls, and to make the difference of indoor temperature and indoor design temperature larger, the frequency of compressor 30 more improves.
And, when radiation heats running and when radiation gentle breeze heats running, 54 pairs, compressor control portion compressor 30 controls, to make the heat exchange temperature that detected by Indoor Thermal exchange temperature sensor 27 and the ceiling temperature corresponding with the pressure upper limit in refrigerant loop roughly consistent (this control being set to the upper limit control).Specifically, control is: though by based on indoor temperature and indoor design temperature to the control of the frequency of compressor 30, when making the heat exchange temperature detected by Indoor Thermal exchange temperature sensor 27 exceed ceiling temperature, heat exchange temperature also can not exceed ceiling temperature, but becomes the value near ceiling temperature.
(outdoor motor-driven valve control part 55)
Outdoor motor-driven valve control part 55 controls according to the aperture to outdoor motor-driven valve 34 such as indoor temperature and indoor design temperature.
The action > of < air conditioner 1
Then, the action of each heating mode of operation of air conditioner 1 is described.Curve map with reference to Fig. 4 and Fig. 5 is described radiation 1 operation mode and radiation 2 operation mode.In the curve map of Fig. 4 and Fig. 5, horizontal axis representing time, the longitudinal axis represents the aperture of the operating frequency of the rotating speed of indoor temperature, indoor fan 21, compressor 30, radiant panel temperature and electric room valve 23 respectively.
(running of warm braw heating mode of operation)
Undertaken by remote controller 4 warm braw heating mode of operation running start operation and select " air quantity is automatic " to set as air quantity time, by indoor fan control part 53, indoor fan 21 is controlled to rotating speed corresponding to any one party set with fan in A1 ~ A5 according to indoor temperature.In addition, controlled by 54 pairs, compressor control portion compressor 30, to make the difference of indoor temperature and indoor design temperature larger, operating frequency more improves.In addition, electric room valve 23 valve closing.
In addition, when undertaken by remote controller 4 warm braw heating mode of operation running start operation and select " by force " or " weak " to set as air quantity, in the same manner as selecting the situation of " air quantity is automatic ", electric room valve 23 and compressor 30 are controlled, by indoor fan control part 53 indoor fan 21 is controlled to and sets corresponding rotating speed with the fan specified.
(running of radiation 1 operation mode)
As shown in Figure 4, when being carried out the operation that the running of radiation 1 operation mode starts by remote controller 4, when the indoor temperature of the beginning that operates is less than indoor design temperature, starts to carry out radiation and heat running.In this situation, by indoor fan control part 53, according to indoor temperature and indoor design temperature, indoor fan 21 is controlled to the rotating speed that any one party set with fan in B1 ~ B7 is corresponding.In addition, controlled by 54 pairs, compressor control portion compressor 30, to make the heat exchange temperature roughly consistent with ceiling temperature (carrying out upper limit control) detected by Indoor Thermal exchange temperature sensor 27.In addition, by electric room valve control part 52, from running to through stipulated time t1, electric room valve 23 is controlled into initial opening, starting from running after stipulated time t1, aperture is controlled, to make radiant panel temperature in panel target temperature range.In addition, in the diagram, the initial opening of electric room valve 23 is apertures less than standard-sized sheet, but initial opening also can be standard-sized sheet.
Heat in running in radiation, when indoor temperature reaches indoor design temperature, heat running from radiation and switch to radiation gentle breeze to heat running.Thus, by indoor fan control part 53, indoor fan 21 is controlled to and sets rotating speed c1 corresponding to C1 with fan.Further, by electric room valve control part 52 and compressor control portion 54, with switch to radiation gentle breeze heat before in the same manner as electric room valve 23 and compressor 30 are controlled.
When indoor temperature rise further, indoor temperature than indoor design temperature more than high set point of temperature Tb time, shut down (not carrying out heat exchange) automatically.Thus, indoor fan 21 and compressor 30 stop, and electric room valve 23 is switched to full-shut position.Then, when indoor temperature is reduced to indoor design temperature, again start to carry out operate (carrying out heat exchange).In the diagram, because indoor temperature when carrying out heat exchange is more than indoor design temperature, so, start to carry out radiation gentle breeze and heat running, with do not carry out heat exchange before same electric room valve 23, indoor fan 21 and compressor 30 to be controlled.
Heat in running at radiation gentle breeze, as indoor temperature set point of temperature Ta more than lower than indoor design temperature, heating running from radiation gentle breeze switches to radiation to heat running, controls electric room valve 23, indoor fan 21 and compressor 30 equally when heating running with above-mentioned radiation.
(running of radiation 2 operation mode)
As shown in Figure 5, when being carried out the operation that the running of radiation 2 operation mode starts by remote controller 4, start to carry out radiation gentle breeze and heat running.By indoor fan control part 53, indoor fan 21 is controlled to and sets rotating speed c1 corresponding to C1 with fan.In addition, controlled by 54 pairs, compressor control portion compressor 30, to make the heat exchange temperature roughly consistent with ceiling temperature (carrying out upper limit control) detected by Indoor Thermal exchange temperature sensor 27.In addition, by electric room valve control part 52, from running to through stipulated time t1, electric room valve 23 is controlled into initial opening, starting from running after stipulated time t1, aperture is controlled, to make radiant panel temperature in panel target temperature range.
(defrosting running)
In addition, in air conditioner 1, in order to remove the frost be attached to when heating mode of operation operates on outdoor heat converter 32, four-way switching valve 31 being switched to Fig. 1 and state shown in dotted lines in Figure 2, switching to defrosting running (defrost running) from heating running.In the air conditioner 1 of present embodiment, when carrying out defrosting running, make electric room valve 23 valve closing.Thus, owing to not flowing through the cold-producing medium of low temperature in radiant panel 22, so, the temperature of radiant panel 22 can be suppressed to decline.Therefore, when again starting to heat running, the temperature of radiant panel 22 can be made to become rapidly in panel target temperature range.
In addition, the control of the electric room valve 23 during defrosting running is not limited thereto, and also can, before radiant panel temperature becomes set point of temperature, make electric room valve 23 maintain regulation aperture, when radiant panel temperature is reduced to afore mentioned rules temperature, electric room valve 23 is switched to the state of closing.In this situation, owing to flowing through the cold-producing medium of low temperature in radiant panel 22, so, the temperature of radiant panel 22 has reduction to a certain degree, but, owing to the cold-producing medium of the high temperature in radiant panel 22 can be used for the defrosting of outdoor heat converter 32, so, compared with the above case, the frost be attached on outdoor heat converter 32 can promptly be removed.In addition, frost in defrosting running can be prevented to be attached on radiant panel 22.
The feature > of < air conditioner 1
According to the air conditioner 1 of present embodiment described above, when radiation gentle breeze heats running, owing to reducing the air quantity produced by indoor fan 21, so, user can be made hardly to feel that the warm braw of air current flow sense heats.In addition, owing to not making indoor fan 21 stop, thus, the heat exchange amount of indoor heat converter 20 is comparatively large, so, can prevent the pressure in refrigerant loop from becoming too high.Therefore, with indoor fan 21 is stopped and only carrying out compared with situation that radiation heats, the rotating speed of the compressor 30 of off-premises station 3 can being increased, can heating capacity being improved.
In the air conditioner 1 of present embodiment, running can be heated to radiation and radiation gentle breeze heats and switches according to indoor temperature, heat running to make carrying out radiation when indoor temperature is low, carry out radiation gentle breeze when indoor temperature is high and heat running.Thus, when indoor temperature is low, indoor temperature can be made to increase rapidly, and, after indoor temperature raises, can automatically switch to and almost there is no heating of air current flow sense.
Further, in the present embodiment, indoor temperature is less than indoor design temperature when the running of radiation 1 operation mode starts, carries out radiation and heat running, when indoor temperature is more than indoor design temperature, switch to radiation gentle breeze to heat running.Therefore, it is possible to make indoor temperature rise to rapidly indoor design temperature.
Further, in the present embodiment, in radiation 1 operation mode, when radiation gentle breeze heats the set point of temperature Ta more than lower than indoor design temperature of indoor temperature in running, heat running from radiation gentle breeze and switch to radiation to heat running.Thus, with when indoor temperature is less than indoor design temperature, heats from radiation gentle breeze the situation switching to radiation to heat running that operates and compare, the switching of running can be reduced, can continue to carry out radiation gentle breeze and heat running.
Further, in the air conditioner 1 of present embodiment, when radiation heats running or when radiation gentle breeze heats running, compressor 30 is controlled, to make the pressure in refrigerant loop and pressure upper limit roughly consistent, so, can heating capacity be improved.And, in the present embodiment, by controlling compressor 30, to make the heat exchange temperature that detected by Indoor Thermal exchange temperature sensor 27 roughly consistent with ceiling temperature, make the pressure in refrigerant loop and pressure upper limit roughly consistent thereby, it is possible to be controlled to.
In the air conditioner 1 of present embodiment, because radiant panel 22 and electric room valve 23 are arranged side by side with indoor heat converter 20, so, by means of only opening and closing electric room valve 23, just only can carry out radiation that warm braw that warm braw heats heats running and flow through cold-producing medium in radiant panel 22 to not flowing through cold-producing medium in radiant panel 22 and heat running or radiation gentle breeze and heat running and switch.
In addition, in the air conditioner 1 of present embodiment, the quantity of fan setting (A1 ~ A5) when the number ratio warm braw of fan setting (B1 ~ B7) when radiation heats running heats running is many.That is, when radiation heats running, compared with when heating running with warm braw, the rotation speed change of indoor fan 21 is more careful.By making when radiation heats running the rotating speed of indoor fan 21 change meticulously, can reduce and heat sound with the rotation of indoor fan 21 when running switches to radiation gentle breeze to heat running from radiation.
Below describe embodiments of the present invention with reference to the accompanying drawings, but concrete structure is not limited to these embodiments.Scope of the present invention be can't help the explanation of above-mentioned embodiment and is illustrated and illustrated by right, and then, comprise and the whole changes in the meaning of right equalization and scope.
In the above-described embodiment, in radiation 1 operation mode, when radiation gentle breeze heats the set point of temperature Tb more than lower than indoor design temperature of indoor temperature in the process of running, heating running from radiation gentle breeze switches to radiation to heat running, but, also when indoor temperature is less than indoor design temperature, running can be heated from radiation gentle breeze and switches to radiation to heat running.
In the above-described embodiment, the rotating speed of the indoor fan 21 when radiation gentle breeze heats running maintains the rotating speed c1 preset, but, as long as the rotating speed that the rotating speed of indoor fan 21 when heating running than radiation is little, carry out changing also being fine.
In the above-described embodiment, following situation is illustrated: as heating running, have that warm braw heats running, radiation heats running and radiation gentle breeze heats running, indoor air quantity when indoor air quantity when indoor air quantity when radiation gentle breeze heats running heats running than warm braw and radiation heat running is little, but is not limited thereto.
Therefore, also can being configured to: as heating running, there is radiation and heating running and radiation gentle breeze heats running, indoor air quantity when indoor air quantity when radiation gentle breeze heats running heats running than radiation is little.In the above-described embodiment, as operation mode, can not only selective radiation 1 operation mode and radiation 2 heating mode of operation, other operation mode can also be selected, but, in this situation, also can for other operation mode can not be selected.Therefore, as operation mode, such as also can for cooling operation pattern, warm braw heating mode of operation can not be selected.
In addition, also can being configured to: as heating running, there is warm braw and heating running and radiation gentle breeze heats running, indoor air quantity when indoor air quantity when radiation gentle breeze heats running heats running than warm braw is little.In the above-described embodiment, as operation mode, warm braw heating mode of operation and radiation 2 operation mode can not only be selected, other operation mode can also be selected, but, in this situation, also can for other operation mode can not be selected.Therefore, as operation mode, such as also can for cooling operation pattern or radiation 1 operation mode can not be selected.
Utilizability in industry
If utilize the present invention, then feel air current flow sense hardly, can heating capacity be improved.
Label declaration
1: air conditioner; 2: indoor set; 3: off-premises station; 4: remote controller; 20: indoor heat converter (heat exchanger); 21: indoor fan (fan); 22: radiant panel; 23: electric room valve (valve system); 24: indoor temperature transmitter; 27: Indoor Thermal exchange temperature sensor (heat exchange temperature sensor); 30: compressor; 50: storage part (memory cell); 51: operation mode control part (switch unit); 52: electric room valve control part; 53: indoor fan control part; 54: compressor control portion (control unit).
Claims (3)
1. an air conditioner, this air conditioner has indoor set and the off-premises station be connected with described indoor set via refrigerant loop, it is characterized in that,
The fan that described indoor set possesses the heat exchanger of a part respectively with the pipe arrangement forming described refrigerant loop and radiant panel and is configured near described heat exchanger, described heat exchanger and described radiant panel are arranged side by side,
Described air conditioner has:
Compressor, it is arranged in described off-premises station;
Control unit, it controls described compressor; And
Memory cell, it stores the higher limit relevant with the pressure in described heat exchanger,
Described air conditioner can carry out radiation and heat running and radiation gentle breeze heats at least one party in running and warm braw heats running,
Heat in running at described warm braw, in described radiant panel, do not flow through cold-producing medium and in described heat exchanger, flow through cold-producing medium and carry out warm braw and heat,
Heat in running at described radiation gentle breeze, in described heat exchanger, flow through cold-producing medium carry out warm braw and heat and in described radiant panel, flow through cold-producing medium and carry out radiation and heat, further, the radiation gentle breeze reducing the air quantity produced by described fan compared with when carrying out heating running with described warm braw heats
Heat in running in described radiation, in described heat exchanger, flow through cold-producing medium carry out warm braw and heat and in described radiant panel, flow through cold-producing medium and carry out radiation and heat, further, the radiation adding the air quantity produced by described fan compared with when carrying out heating running with described radiation gentle breeze heats
When carrying out described warm braw and heating running, described control unit controls described compressor according to indoor temperature,
When carry out described radiation heat running and described radiation gentle breeze heat at least one party in running, described control unit controls described compressor, to make the pressure in described heat exchanger consistent with corresponding to the pressure of described higher limit.
2. air conditioner according to claim 1, is characterized in that,
Described air conditioner has the heat exchange temperature sensor being arranged on described heat exchanger,
Described memory cell stores the ceiling temperature of the heat exchange temperature of described heat exchanger, as the described higher limit relevant with the pressure in described heat exchanger,
When carry out described radiation heat running and described radiation gentle breeze heat at least one party in running, described control unit controls described compressor, to make the heat exchange temperature that detected by described heat exchange temperature sensor consistent with described ceiling temperature.
3. air conditioner according to claim 2, is characterized in that,
Described air conditioner has the valve system regulated the amount of the cold-producing medium being supplied to described radiant panel,
In described refrigerant loop, described radiant panel and described valve system and described heat exchanger are arranged side by side.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-228647 | 2010-10-08 | ||
| JP2010228647A JP2012083011A (en) | 2010-10-08 | 2010-10-08 | Air conditioner |
| PCT/JP2011/073242 WO2012046850A1 (en) | 2010-10-08 | 2011-10-07 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103154621A CN103154621A (en) | 2013-06-12 |
| CN103154621B true CN103154621B (en) | 2016-02-24 |
Family
ID=45927842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180048623.0A Expired - Fee Related CN103154621B (en) | 2010-10-08 | 2011-10-07 | Air conditioner |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2631550A4 (en) |
| JP (1) | JP2012083011A (en) |
| CN (1) | CN103154621B (en) |
| AU (1) | AU2011313172B2 (en) |
| WO (1) | WO2012046850A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5869955B2 (en) * | 2012-05-23 | 2016-02-24 | シャープ株式会社 | Radiant air conditioner |
| WO2015170431A1 (en) * | 2014-05-09 | 2015-11-12 | 株式会社エコファクトリー | Air conditioning system |
| CN105928063A (en) * | 2016-04-28 | 2016-09-07 | 珠海格力电器股份有限公司 | Air conditioner and control method |
| CN106196279A (en) * | 2016-07-11 | 2016-12-07 | 珠海格力电器股份有限公司 | Air conditioner indoor unit, air conditioner and control method and control system of air conditioner |
| CN106322522A (en) * | 2016-08-26 | 2017-01-11 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN106225072A (en) * | 2016-08-29 | 2016-12-14 | 珠海格力电器股份有限公司 | Air conditioning system and heat exchange structure thereof |
| CN110553335A (en) * | 2019-09-11 | 2019-12-10 | 湖南大学 | Side wall radiation air conditioning system |
| CN111473487B (en) * | 2020-04-07 | 2021-07-23 | 广东美的制冷设备有限公司 | Air conditioner, air conditioner control method and device and readable storage medium |
| CN113970164B (en) * | 2020-07-24 | 2022-12-09 | 广东美的制冷设备有限公司 | Air conditioner, radiation control method and device thereof and computer storage medium |
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| JPS63135742A (en) * | 1986-11-27 | 1988-06-08 | Toshiba Corp | Air conditioner |
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2010
- 2010-10-08 JP JP2010228647A patent/JP2012083011A/en active Pending
-
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- 2011-10-07 CN CN201180048623.0A patent/CN103154621B/en not_active Expired - Fee Related
- 2011-10-07 EP EP11830781.8A patent/EP2631550A4/en not_active Withdrawn
- 2011-10-07 AU AU2011313172A patent/AU2011313172B2/en not_active Ceased
- 2011-10-07 WO PCT/JP2011/073242 patent/WO2012046850A1/en active Application Filing
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| JPH0188252U (en) * | 1987-11-27 | 1989-06-12 | ||
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2631550A4 (en) | 2018-03-07 |
| AU2011313172A1 (en) | 2013-05-23 |
| CN103154621A (en) | 2013-06-12 |
| EP2631550A1 (en) | 2013-08-28 |
| JP2012083011A (en) | 2012-04-26 |
| WO2012046850A1 (en) | 2012-04-12 |
| AU2011313172B2 (en) | 2015-05-07 |
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