CN108050719A - A kind of Cooling System and its control method based on differential thermal calculation refrigerated medium pump ability - Google Patents
A kind of Cooling System and its control method based on differential thermal calculation refrigerated medium pump ability Download PDFInfo
- Publication number
- CN108050719A CN108050719A CN201711319800.XA CN201711319800A CN108050719A CN 108050719 A CN108050719 A CN 108050719A CN 201711319800 A CN201711319800 A CN 201711319800A CN 108050719 A CN108050719 A CN 108050719A
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- refrigerated medium
- medium pump
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- outdoor
- refrigerated
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A kind of Cooling System and its control method based on differential thermal calculation refrigerated medium pump ability,It is related to refrigeration technology field,Its structure includes Cempression engine refrigerating apparatus,Refrigerated medium pump cooling device,Outdoor environment temperature sensor,Indoor environment temperature sensor,Outdoor fan,Indoor fan and controller,Cempression engine refrigerating apparatus includes sequentially connected compressor,Compressor assembly evaporator and compressor assembly condenser,Refrigerated medium pump cooling device includes sequentially connected refrigerated medium pump,Refrigerated medium pump system evaporator and refrigerated medium pump system condenser,Compressor,Refrigerated medium pump,Outdoor environment temperature sensor,Indoor temperature transmitter,Outdoor fan,Indoor fan is electrically connected with the controller respectively,And it is controlled by the controller,It can more accurately judge the opportunity of refrigerated medium pump input,Indoor temperature control is more stable,System operation safety and reliability.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of based on the naturally cold of differential thermal calculation refrigerated medium pump ability
But system and its control method.
Background technology
At present, the startup of refrigerated medium pump and stopping and operational mode, usually according to outdoor environment temperature or indoor and outdoor
Circumstance of temperature difference controls, such as：Outdoor environment temperature reaches 10 DEG C or more or the indoor and outdoor surroundings temperature difference reaches less than 15 DEG C, compressor
Work is kept, refrigerated medium pump stops (pure compression machine operational mode)；Reach outdoor environment temperature and reach less than 5 DEG C or indoor outer shroud
The border temperature difference reaches 20 DEG C or more i.e. startup refrigerated medium pump while compressor also puts into operation (press pump mixed running pattern)；It is outdoor
Environment temperature reaches less than -10 DEG C or the indoor and outdoor surroundings temperature difference reaches 35 DEG C or more, completely close under normal circumstances compressor, only
Refrigerated medium pump is opened freeze (pure refrigerated medium pump operational mode), when actual indoor temperature is increased to 3 DEG C higher than setting value or more
Just start compressor cooling, actual indoor temperature is re-closing off compressor when being restored to less than 2 DEG C higher than setting value.
Using existing technical solution, input to refrigerated medium pump and to exit Rule of judgment simple and rough, and can not be accurate
Really judge the natural cooling ability of refrigerated medium pump, thus the opportunity of refrigerated medium pump input judge to be difficult to it is accurate and reasonable, if
Pure refrigerated medium pump operation is put into when the refrigerating capacity of refrigerated medium pump is too low, indoor temperature control can be caused unstable and is compressed
The frequent start-stop of machine；If still putting into press pump operation when the refrigerating capacity of refrigerated medium pump is excessively high, the frequent of refrigerated medium pump can be caused
Start and stop also generate compressor refrigeration system unsafe influence, also result in compressor and easily return liquid, the easy frosting of evaporator.
The content of the invention
It is provided a kind of based on differential thermal calculation refrigerant it is an object of the invention to avoid shortcoming of the prior art
The Cooling System and its control method of pump capacity, should Cooling System based on differential thermal calculation refrigerated medium pump ability and its
Control method can more accurately judge the opportunity of refrigerated medium pump input, and indoor temperature control is more stable, and system operation is safer can
It leans on.
The purpose of the present invention is achieved through the following technical solutions：
A kind of Cooling System based on differential thermal calculation refrigerated medium pump ability is provided, including Cempression engine refrigerating apparatus, system
Cryogen pump refrigerating device, outdoor environment temperature sensor, indoor environment temperature sensor, outdoor fan, indoor fan and control
Device, the Cempression engine refrigerating apparatus include sequentially connected compressor, compressor assembly evaporator and compressor assembly condenser,
It is cold that the refrigerated medium pump cooling device includes sequentially connected refrigerated medium pump, refrigerated medium pump system evaporator and refrigerated medium pump system
Condenser, the compressor, refrigerated medium pump, outdoor environment temperature sensor, indoor temperature transmitter, outdoor fan, indoor fan
It is electrically connected with the controller, and is controlled by the controller respectively.
Wherein, the compressor assembly evaporator is mounted under the air-flow direction of refrigerated medium pump system evaporator
Trip.
Wherein, the compressor assembly condenser is mounted under the air-flow direction of refrigerated medium pump system condenser
Trip.
Wherein, the Cempression engine refrigerating apparatus and refrigerated medium pump cooling device are run independently of each other.
A kind of Cooling System based on differential thermal calculation refrigerated medium pump ability of the present invention, can pass through outdoor environment temperature
Sensor detects outdoor temperature and is sent to controller, detects indoor temperature by indoor environment temperature sensor and is sent to control
Device processed, controller is according to the difference of outdoor temperature, indoor temperature and the two, to control the operational mode of refrigerated medium pump and pressure
The opening and closing of contracting machine, indoor fan and outdoor fan can more accurately judge the opportunity of refrigerated medium pump input so that refrigeration
The cooling capacity of agent pump and actual cooling load are consistent, and may be such that indoor temperature control is more stable, system operation is safer
Reliably, the present invention is kept completely separate compressor refrigeration system and refrigerated medium pump system, and two systems operation is independent of each other, reliability
Higher, while energy-saving effect is more preferable when running.
The present invention also provides a kind of control method of the Cooling System based on differential thermal calculation refrigerated medium pump ability, tools
Body is as follows：
When meeting following three conditions simultaneously, then into refrigerated medium pump natural cooling operational mode：
(1) when refrigerated medium pump refrigerating capacity PPC >=refrigeration demand >=20%, wherein,
Wherein：Tl is indoor temperature detected value, and Ts is indoor temperature setting value, and T β are cryogenic temperature return difference value, and Tc is system
Cold temperature control precision；
Refrigerated medium pump refrigerating capacity PPC=△ T/ △ T c*100%, wherein：△ T be indoor and outdoor surroundings temperature difference, △ Tc
For the complete natural cooling temperature difference of refrigerated medium pump,
(2) outdoor environment temperature≤refrigerated medium pump starts highest environment temperature Tmax；
(3) indoor and outdoor surroundings temperature difference △ T >=refrigerated medium pump is minimum starts temperature difference △ Tmin.
Wherein, when meeting any one following condition, then refrigerated medium pump natural cooling operational mode is exited：
(1) refrigeration demand ＜ 0；
(2) outdoor environment temperature ＞ refrigerated medium pumps start highest environment temperature Tmax (such as：25 DEG C)+2 DEG C of return differences；
(3) indoor and outdoor surroundings temperature difference ＜ refrigerated medium pumps are minimum starts temperature difference △ Tmin-2 DEG C return differences；
(4) refrigeration demand >=refrigerated medium pump refrigerating capacity PPC.
Wherein, when into refrigerated medium pump natural cooling operational mode：
(1) when 0%≤refrigeration demand ＜ refrigerated medium pump refrigerating capacity PPC, refrigerated medium pump and outdoor fan keep former start and stop
State, compressor are closed；
(2) as refrigeration demand >=refrigerated medium pump refrigerating capacity PPC, all refrigerated medium pumps and outdoor fan are opened, compression
Machine is opened.
Beneficial effects of the present invention：A kind of Cooling System based on differential thermal calculation refrigerated medium pump ability of the present invention
Control method with reference to different refrigeration demand interval judgement conditions, can more accurately judge the opportunity that refrigerated medium pump is put into so that
Refrigerated medium pump cooling capacity and actual cooling load are consistent, and are solved the deficiency of existing refrigerated medium pump control technology, be may be such that
Indoor temperature controls more stable, system operation safety and reliability.
Description of the drawings
Invention is described further using attached drawing, but the embodiment in attached drawing does not form any limitation of the invention,
For those of ordinary skill in the art, without creative efforts, can also it be obtained according to the following drawings
Its attached drawing.
Fig. 1 is a kind of overall structure signal of Cooling System based on differential thermal calculation refrigerated medium pump ability of the present invention
Figure.
Include in figure：
Compressor 1, refrigerated medium pump 2, compressor assembly evaporator 3, refrigerated medium pump system evaporator 4, compressor assembly are cold
Condenser 5, refrigerated medium pump system condenser 6, outdoor environment temperature sensor 7, indoor environment temperature sensor 8, outdoor fan 9,
Indoor fan 10, controller 11.
Specific embodiment
The invention will be further described with the following Examples.
A kind of Cooling System based on 2 ability of differential thermal calculation refrigerated medium pump of the present embodiment, as shown in Figure 1, including
Cempression engine refrigerating apparatus, refrigerated medium pump cooling device, outdoor environment temperature sensor 7, indoor environment temperature sensor 8, outdoor
Wind turbine 9, indoor fan 10 and controller 11, the Cempression engine refrigerating apparatus include sequentially connected compressor 1, compressor assembly
Evaporator 3 and compressor assembly condenser 5, the refrigerated medium pump cooling device include sequentially connected refrigerated medium pump 2, refrigerant
Pumping system evaporator 4 and refrigerated medium pump system condenser 6, the compressor 1, refrigerated medium pump 2, outdoor environment temperature sensor 7,
Indoor environment temperature sensor 8, outdoor fan 9, indoor fan 10 are electrically connected respectively with controller 11, and are controlled by controller 11
System, the Cempression engine refrigerating apparatus and refrigerated medium pump cooling device are run independently of each other.
Compared with prior art, this programme is kept completely separate Cempression engine refrigerating apparatus and refrigerated medium pump device, two devices
Operation be independent of each other, reliability higher, while energy-saving effect is more preferable when running.
Wherein, the compressor assembly evaporator 3 is mounted under the air-flow direction of refrigerated medium pump system evaporator 4
Trip.Air, which first flows through refrigerated medium pump system evaporator 4, to carry out precooling and passes through compressor assembly evaporator 3 and compensate refrigeration,
Heat transfer temperature difference bigger, heat exchange efficiency higher.
Wherein, the compressor assembly condenser 5 is mounted under the air-flow direction of refrigerated medium pump system condenser 6
Trip.Air first flows through the progress primary heat dissipation of refrigerated medium pump system condenser 6 and passes through 5 two-class heat dissipation of compressor assembly condenser,
Heat transfer temperature difference bigger, heat exchange efficiency higher.
A kind of Cooling System based on 2 ability of differential thermal calculation refrigerated medium pump of the present embodiment, can pass through outdoor environment
Temperature sensor 7 detects outdoor temperature and is sent to controller 11, and indoor temperature is detected simultaneously by indoor environment temperature sensor 8
It is sent to controller 11, controller 11 is according to the difference of outdoor temperature, indoor temperature and the two, to control refrigerated medium pump 2
The opening and closing of operational mode and compressor 1, indoor fan 10 and outdoor fan 9 can more accurately judge refrigerated medium pump 2
The opportunity of input so that the cooling capacity of refrigerated medium pump 2 and actual cooling load are consistent, and may be such that indoor temperature control more
Stablize, system operation safety and reliability.
A kind of control method of Cooling System based on 2 ability of differential thermal calculation refrigerated medium pump of the present embodiment, tool
Body is as follows：
When meeting following three conditions simultaneously, then into 2 natural cooling operational mode of refrigerated medium pump：
(1) when 2 refrigerating capacity PPC of refrigerated medium pump >=refrigeration demand >=20%, wherein,
Wherein：Tl is indoor temperature detected value, and Ts is indoor temperature setting value, and T β are cryogenic temperature return difference value, and Tc is system
Cold temperature control precision；
2 refrigerating capacity PPC=△ T/ △ T c*100% of refrigerated medium pump, wherein：△ T be indoor and outdoor surroundings temperature difference, △ Tc
For the 2 complete natural cooling temperature difference of refrigerated medium pump, (parameter is test empirical value, and every unit is different, is generally defaulted as 45
DEG C),
(2) outdoor environment temperature≤refrigerated medium pump 2 starts highest environment temperature Tmax (such as：25℃)；
(3) indoor and outdoor surroundings temperature difference △ T >=refrigerated medium pump 2 is minimum starts temperature difference △ Tmin (such as：10℃).
It can determine whether out that the refrigerating capacity of refrigerated medium pump 2 is sufficiently large by these three conditions (to reduce because of the refrigeration of refrigerated medium pump 2
Scarce capacity and need compressor 1 often input and cause the probability of 1 frequent start-stop of compressor because refrigeration demand is too small)
And enter obvious energy saving effect operating mode section (avoid still putting into refrigerated medium pump 2 during no enough energy-saving effects and run,
Improve energy saving in running).
Wherein, when meeting any one following condition, then 2 natural cooling operational mode of refrigerated medium pump is exited：
(1) refrigeration demand ＜ 0；
(2) outdoor environment temperature ＞ refrigerated medium pumps 2 start highest environment temperature Tmax (such as：25 DEG C)+2 DEG C of return differences；
(3) indoor and outdoor surroundings temperature difference ＜ refrigerated medium pumps 2 are minimum starts temperature difference △ Tmin-2 DEG C return differences；
(4) 2 refrigerating capacity PPC of refrigeration demand >=refrigerated medium pump.
By one of this four conditions, it can determine whether out refrigerated medium pump 2 not in obvious energy saving effect operating mode section or refrigerant
The refrigerating capacity deficiency or refrigeration demand of pump 2 are too small to be not required the operation refrigeration of refrigerated medium pump 2.
Wherein, when into 2 natural cooling operational mode of refrigerated medium pump：
(1) as 0%≤refrigeration demand ＜ refrigerated medium pumps, 2 refrigerating capacity PPC, refrigerated medium pump 2 and outdoor fan 9 keep original to open
Stop state, compressor 1 is closed, and under the conditions of this, refrigeration demand is smaller, and compressor 1 need not be opened, refrigerated medium pump 2 and outdoor fan 9
Maintain current state constant；
(2) as 2 refrigerating capacity PPC of refrigeration demand >=refrigerated medium pump, all refrigerated medium pumps 2 and outdoor fan 9 are opened, pressure
Contracting machine 1 is opened, and under the conditions of this, refrigeration demand is larger, and compressor 1 and refrigerated medium pump 2 are required for out, and outdoor fan 9 is also required to out.
A kind of control method of the Cooling System based on 2 ability of differential thermal calculation refrigerated medium pump of the present embodiment, with reference to
Different refrigeration demand interval judgement conditions, can more accurately judge the opportunity that refrigerated medium pump 2 puts into and exits so that refrigerant
It pumps 2 cooling capacities and actual cooling load is consistent, solve the deficiency of existing 2 control technology of refrigerated medium pump, may be such that interior
Temperature controls more stable, system operation safety and reliability.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope is protected, although being explained in detail with reference to preferred embodiment to the present invention, those of ordinary skill in the art should
Work as understanding, technical scheme can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (6)
1. a kind of Cooling System based on differential thermal calculation refrigerated medium pump ability, it is characterised in that：Including compression mechanism cold charge
Put, refrigerated medium pump cooling device, outdoor environment temperature sensor, indoor environment temperature sensor, outdoor fan, indoor fan and
Controller, it is cold that the Cempression engine refrigerating apparatus includes sequentially connected compressor, compressor assembly evaporator and compressor assembly
Condenser, the refrigerated medium pump cooling device include sequentially connected refrigerated medium pump, refrigerated medium pump system evaporator and refrigerated medium pump
System condenser, the compressor, refrigerated medium pump, outdoor environment temperature sensor, indoor temperature transmitter, outdoor fan, room
Inner blower is electrically connected with the controller respectively, and is controlled by the controller, the Cempression engine refrigerating apparatus and refrigerated medium pump cooling device
Operation independently of each other.
2. a kind of Cooling System based on differential thermal calculation refrigerated medium pump ability as described in claim 1, it is characterised in that：
The compressor assembly evaporator is mounted on the downstream of the air-flow direction of refrigerated medium pump system evaporator.
3. a kind of Cooling System based on differential thermal calculation refrigerated medium pump ability as described in claim 1, it is characterised in that：
The compressor assembly condenser is mounted on the downstream of the air-flow direction of refrigerated medium pump system condenser.
4. a kind of Cooling System based on differential thermal calculation refrigerated medium pump ability described in claims 1 to 3 any one
Control method, it is characterised in that：
When meeting following three conditions simultaneously, then into refrigerated medium pump natural cooling operational mode：
(1) when refrigerated medium pump refrigerating capacity PPC >=refrigeration demand >=20%, wherein, refrigeration demand：
Wherein：Tl is indoor temperature detected value, and Ts is indoor temperature setting value, and T β are cryogenic temperature return difference value, and Tc is refrigeration temperature
Spend control accuracy；
Refrigerated medium pump refrigerating capacity PPC=△ T/ △ T c*100%, wherein：△ T are indoor and outdoor surroundings temperature difference, and △ Tc are system
The complete natural cooling temperature difference of cryogenic fluid pump,
(2) outdoor environment temperature≤refrigerated medium pump starts highest environment temperature Tmax；
(3) indoor and outdoor surroundings temperature difference △ T >=refrigerated medium pump is minimum starts temperature difference △ Tmin.
5. a kind of control method of the Cooling System based on differential thermal calculation refrigerated medium pump ability as claimed in claim 4,
It is characterized in that：
When meeting any one following condition, then refrigerated medium pump natural cooling operational mode is exited：
(1) refrigeration demand ＜ 0；
(2) outdoor environment temperature ＞ refrigerated medium pumps start highest Tmax+2 DEG C of return difference of environment temperature；
(3) indoor and outdoor surroundings temperature difference ＜ refrigerated medium pumps are minimum starts temperature difference △ Tmin-2 DEG C return differences；
(4) refrigeration demand >=refrigerated medium pump refrigerating capacity PPC.
6. a kind of control method of the Cooling System based on differential thermal calculation refrigerated medium pump ability as claimed in claim 4,
It is characterized in that：
When into refrigerated medium pump natural cooling operational mode：
(1) as 0%≤refrigeration demand ＜ refrigerated medium pump refrigerating capacity PPC, refrigerated medium pump and outdoor fan keep former start and stop state,
Compressor is closed；
(2) when refrigeration demand >=refrigerated medium pump refrigerating capacity PPC, all refrigerated medium pumps and outdoor fan are opened, compressor is opened
It opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319800.XA CN108050719B (en) | 2017-12-12 | 2017-12-12 | Natural cooling system for calculating capacity of refrigerant pump based on temperature difference and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319800.XA CN108050719B (en) | 2017-12-12 | 2017-12-12 | Natural cooling system for calculating capacity of refrigerant pump based on temperature difference and control method thereof |
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| Publication Number | Publication Date |
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| CN108050719A true CN108050719A (en) | 2018-05-18 |
| CN108050719B CN108050719B (en) | 2023-05-12 |
Family
ID=62124361
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| CN201711319800.XA Active CN108050719B (en) | 2017-12-12 | 2017-12-12 | Natural cooling system for calculating capacity of refrigerant pump based on temperature difference and control method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662698A (en) * | 2018-05-23 | 2018-10-16 | 南京佳力图机房环境技术股份有限公司 | A kind of energy saving Two-way Cycle air conditioner in machine room unit and its control method |
| CN112682910A (en) * | 2020-12-08 | 2021-04-20 | 珠海格力电器股份有限公司 | Method and system for switching operation modes of dual-power cooling system |
| CN113531862A (en) * | 2021-06-30 | 2021-10-22 | 苏州英维克温控技术有限公司 | Variable-frequency fluorine pump air conditioner control method and device, electronic equipment and medium |
| JP2023079196A (en) * | 2021-11-26 | 2023-06-07 | バーティブ テック カンパニー，リミテッド | Air conditioning unit, operation control method for the same and operation control device for the same |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1629556A (en) * | 2003-12-19 | 2005-06-22 | 珠海福士得冷气工程有限公司 | Energy-saving central air conditioning system |
| CN102563757A (en) * | 2011-12-22 | 2012-07-11 | 深圳市英维克科技有限公司 | Energy-saving air conditioner system |
| US20120291468A1 (en) * | 2010-02-24 | 2012-11-22 | Mitsubishi Electric Corporation | Air conditioning system and control method of air conditioning system |
| CN103499137A (en) * | 2013-09-02 | 2014-01-08 | 艾默生网络能源有限公司 | Method, device and system for controlling refrigeration of computer room |
| CN103925736A (en) * | 2014-04-03 | 2014-07-16 | 广东申菱空调设备有限公司 | High-temperature stage-heating type cold and hot water unit and control method thereof |
| CN103940016A (en) * | 2014-04-09 | 2014-07-23 | 北京德能恒信科技有限公司 | Dual-mode machine room energy-saving air conditioner |
| CN106352575A (en) * | 2016-10-17 | 2017-01-25 | 深圳市共济科技股份有限公司 | Multi-split frame type energy-saving air conditioner system and control method thereof |
| CN106766310A (en) * | 2016-11-30 | 2017-05-31 | 珠海格力电器股份有限公司 | Refrigeration system, refrigeration control method and refrigeration control device |
| CN106855291A (en) * | 2015-12-08 | 2017-06-16 | 艾默生网络能源有限公司 | A kind of air-conditioning and its control method and control device |
| CN106855279A (en) * | 2015-12-08 | 2017-06-16 | 艾默生网络能源有限公司 | Air-conditioning system, refrigeration control method and device |
-
2017
- 2017-12-12 CN CN201711319800.XA patent/CN108050719B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1629556A (en) * | 2003-12-19 | 2005-06-22 | 珠海福士得冷气工程有限公司 | Energy-saving central air conditioning system |
| US20120291468A1 (en) * | 2010-02-24 | 2012-11-22 | Mitsubishi Electric Corporation | Air conditioning system and control method of air conditioning system |
| CN102563757A (en) * | 2011-12-22 | 2012-07-11 | 深圳市英维克科技有限公司 | Energy-saving air conditioner system |
| CN103499137A (en) * | 2013-09-02 | 2014-01-08 | 艾默生网络能源有限公司 | Method, device and system for controlling refrigeration of computer room |
| CN103925736A (en) * | 2014-04-03 | 2014-07-16 | 广东申菱空调设备有限公司 | High-temperature stage-heating type cold and hot water unit and control method thereof |
| CN103940016A (en) * | 2014-04-09 | 2014-07-23 | 北京德能恒信科技有限公司 | Dual-mode machine room energy-saving air conditioner |
| CN106855291A (en) * | 2015-12-08 | 2017-06-16 | 艾默生网络能源有限公司 | A kind of air-conditioning and its control method and control device |
| CN106855279A (en) * | 2015-12-08 | 2017-06-16 | 艾默生网络能源有限公司 | Air-conditioning system, refrigeration control method and device |
| CN106352575A (en) * | 2016-10-17 | 2017-01-25 | 深圳市共济科技股份有限公司 | Multi-split frame type energy-saving air conditioner system and control method thereof |
| CN106766310A (en) * | 2016-11-30 | 2017-05-31 | 珠海格力电器股份有限公司 | Refrigeration system, refrigeration control method and refrigeration control device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662698A (en) * | 2018-05-23 | 2018-10-16 | 南京佳力图机房环境技术股份有限公司 | A kind of energy saving Two-way Cycle air conditioner in machine room unit and its control method |
| CN112682910A (en) * | 2020-12-08 | 2021-04-20 | 珠海格力电器股份有限公司 | Method and system for switching operation modes of dual-power cooling system |
| CN113531862A (en) * | 2021-06-30 | 2021-10-22 | 苏州英维克温控技术有限公司 | Variable-frequency fluorine pump air conditioner control method and device, electronic equipment and medium |
| JP2023079196A (en) * | 2021-11-26 | 2023-06-07 | バーティブ テック カンパニー，リミテッド | Air conditioning unit, operation control method for the same and operation control device for the same |
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| Publication number | Publication date |
|---|---|
| CN108050719B (en) | 2023-05-12 |
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