CN112172449A - Heat pump automobile air conditioning system and working method - Google Patents
Heat pump automobile air conditioning system and working method Download PDFInfo
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- CN112172449A CN112172449A CN202010961400.4A CN202010961400A CN112172449A CN 112172449 A CN112172449 A CN 112172449A CN 202010961400 A CN202010961400 A CN 202010961400A CN 112172449 A CN112172449 A CN 112172449A
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- heat exchanger
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 7
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims abstract description 6
- 238000005057 refrigeration Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 238000011017 operating method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H2001/00114—Heating or cooling details
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
One or more embodiments of the present disclosure provide a heat pump automobile air conditioning system and an operating method thereof, in which a condenser is disposed inside an HVAC assembly, and high-temperature and high-pressure gas at an outlet of a compressor a is introduced into an indoor condenser C1 for heat dissipation in winter, so as to achieve an in-automobile heating effect, and in summer, high-temperature and high-pressure liquid at an outlet of the condenser is introduced into an indoor evaporator C2 for evaporation and heat absorption for refrigeration, so as to achieve an in-automobile cooling effect.
Description
Technical Field
One or more embodiments of the present disclosure relate to the field of automotive air conditioning technologies, and in particular, to a heat pump automotive air conditioning system and an operating method thereof.
Background
An automobile air conditioning system is a device for refrigerating, heating, ventilating and purifying air in a carriage. The automobile seat cushion can provide a comfortable riding environment for passengers, reduce the fatigue strength of a driver and improve the driving safety.
The heating of current new energy automobile winter air conditioner generally uses air PTC or water PTC, and heating efficiency is lower, and power consumption is great, and is great to the mileage of continuing a journey of new energy automobile influence.
Disclosure of Invention
In view of the above, an object of one or more embodiments of the present disclosure is to provide a heat pump vehicle air conditioning system and an operating method thereof, so as to solve the problem of low heating efficiency.
In view of the above, one or more embodiments of the present disclosure provide a heat pump automotive air conditioning system including a compressor, an outdoor heat exchanger, and a heating, ventilating, and air conditioning assembly;
an indoor condenser and an indoor evaporator are arranged in the heating ventilation and air conditioning assembly;
the outdoor heat exchanger is connected to an input port of the indoor evaporator through a first electronic expansion valve, an output port of the indoor evaporator is connected to an inlet of the compressor through a one-way valve, and the outdoor heat exchanger is also connected with the inlet of the compressor through a first electromagnetic valve;
the input port of the indoor condenser is connected to the outlet of the compressor through a second electromagnetic valve, the output port of the indoor condenser is connected to the outdoor heat exchanger through a second electronic expansion valve, and the outlet of the compressor is also connected with the outdoor heat exchanger through a third electromagnetic valve.
Preferably, the inlet of the compressor is connected with a gas-liquid separator, and the check valve and the first electromagnetic valve are connected to the inlet of the compressor through the gas-liquid separator.
Preferably, a plate heat exchanger is connected between the outdoor heat exchanger and the first electromagnetic valve, the outdoor heat exchanger is connected to a cold medium inlet of the plate heat exchanger, the first electromagnetic valve is connected to a cold medium outlet of the plate heat exchanger, a heat medium inlet of the plate heat exchanger is connected to the motor through a first water pump, a heat medium outlet of the plate heat exchanger is connected with a motor radiator, and the motor radiator is connected to the motor.
Preferably, the motor radiator is mounted proximate the outdoor heat exchanger.
Preferably, the outdoor heat exchanger is further connected to a cold medium inlet of the battery cooler through a third electronic expansion valve, a cold medium outlet of the battery cooler is connected to an inlet of the compressor, a hot medium inlet of the battery cooler is connected to the battery through the second water pump and the water heating PTC in sequence, and a hot medium outlet of the battery cooler is connected to the battery.
A working method of a heat pump automobile air conditioning system is based on the heat pump automobile air conditioning system and is characterized by comprising the following steps:
when heating, the first electromagnetic valve and the second electromagnetic valve are opened, the third electromagnetic valve is closed, high-temperature and high-pressure gas at the outlet of the compressor is introduced into the indoor condenser for heat dissipation, the heating effect in the vehicle is achieved, liquid generated by the indoor condenser is throttled by the second electronic expansion valve to form low-temperature and low-pressure liquid, the outdoor heat exchanger absorbs heat and evaporates the low-temperature and low-pressure liquid to form low-temperature and low-pressure steam, and the low-temperature and low-pressure steam is sent into the compressor through the first electromagnetic valve to complete circulation;
when refrigerating, the first electromagnetic valve and the second electromagnetic valve are closed, the third electromagnetic valve is opened, high-temperature and high-pressure gas at the outlet of the compressor is introduced into the outdoor heat exchanger, liquid generated by condensation of the outdoor heat exchanger is throttled by the first electronic expansion valve to form low-temperature and low-pressure liquid, the indoor evaporator performs heat exchange between the low-temperature and low-pressure liquid and outside air, the effect of refrigeration is achieved by vaporization and heat absorption, and gas discharged by the indoor evaporator is sent into the compressor to complete circulation.
As can be seen from the above, in the heat pump automobile air conditioning system and the operating method provided in one or more embodiments of the present specification, the condenser is arranged inside the HVAC assembly, and in winter, the high-temperature and high-pressure gas at the outlet of the compressor a is introduced into the indoor condenser C1 for heat dissipation, so that the heating effect inside the automobile is achieved, in summer, the high-temperature and high-pressure liquid at the outlet of the condenser is introduced into the indoor evaporator C2 for evaporation and heat absorption, so that the cooling effect inside the automobile is achieved.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a schematic diagram of the heat pump vehicle air conditioning system piping according to one or more embodiments of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
One or more embodiments of the present specification disclose a heat pump automobile air conditioning system, including a compressor a, an outdoor heat exchanger B, and a heating, ventilation and air conditioning (HVAC) assembly, where the heating, ventilation and air conditioning assembly is provided with an indoor condenser C1 and an indoor evaporator C2, the outdoor heat exchanger B is connected to an input port of the indoor evaporator C2 through a first electronic expansion valve D, an output port of the indoor evaporator C2 is connected to an inlet of the compressor a through a check valve J, the outdoor heat exchanger B is further connected to an inlet of the compressor a through a first electromagnetic valve E, an input port of the indoor condenser C1 is connected to an outlet of the compressor a through a second electromagnetic valve F, an output port of the indoor condenser C1 is connected to the outdoor heat exchanger B through a second electronic expansion valve G, and an outlet of the compressor a is further connected to the outdoor heat exchanger B through a third electromagnetic valve H.
This specification embodiment is through at the inside condenser that sets up of HVAC assembly, winter introduces the high temperature high pressure gas of compressor A export to indoor condenser C1 and dispels the heat, thereby reach the heating effect in the car, summer refrigeration is introduced condenser export high temperature high pressure liquid and is evaporated the heat absorption to indoor evaporimeter C2, thereby reach cooling effect in the car, this system is compared and is used air PTC or water PTC heating among the prior art, heating efficiency is improved, the influence to new energy automobile continuation of the journey mileage has been reduced, and the security can be improved.
When the heat pump automobile air conditioning system heats, the outdoor heat exchanger B serves as an evaporator, and when the heat pump automobile air conditioning system cools, the outdoor heat exchanger B serves as a condenser.
In one embodiment, a gas-liquid separator I is connected to an inlet of the compressor a, the check valve J and the first electromagnetic valve E are both connected to the inlet of the compressor a through the gas-liquid separator I, the gas-liquid separator I is used for separating a gas-liquid mixture generated by evaporation of the outdoor heat exchanger B or the indoor evaporator C2, the separated gas directly enters the compressor a through an outlet pipe at the upper part of the gas-liquid separator I, the separated liquid is accumulated at the bottom of the separator, the liquid refrigerant therein is heated and gasified and then enters the outlet pipe of the gas-liquid separator I, the lubricating oil which cannot be liquefied flows into the outlet pipe from an oil return hole and then enters the compressor a, and the gas-liquid separator I mainly functions to prevent the liquid refrigerant from directly entering a cylinder of the compressor a so as to prevent a large amount of liquid slug.
As an implementation mode, a plate heat exchanger K is connected between an outdoor heat exchanger B and a first electromagnetic valve E, the outdoor heat exchanger B is connected to a cold medium inlet of the plate heat exchanger K, the first electromagnetic valve E is connected to a cold medium outlet of the plate heat exchanger K, a heat medium inlet of the plate heat exchanger K is connected to a motor through a first water pump L, a heat medium outlet of the plate heat exchanger K is connected with a motor radiator, and the motor radiator is connected to the motor.
In one embodiment, the motor heat sink is mounted proximate to the outdoor heat sink.
Through setting up plate heat exchanger K, synthesize the cooling heat dissipation of motor in unified system, carry out the heat transfer through outdoor heat exchanger B exhaust low temperature low pressure gas, further improve energy utilization.
As an embodiment, the outdoor heat exchanger B is further connected to a cold medium inlet of a battery cooler O through a third electronic expansion valve M, a cold medium outlet of the battery cooler O is connected to an inlet of the compressor a, a hot medium inlet of the battery cooler O is connected to the battery through a second water pump P and a water heating heater (PTC) Q in sequence, and a hot medium outlet of the battery cooler O is connected to the battery.
Through setting up battery cooler O, heat the battery cooling and synthesize in same system, further improve energy utilization.
The embodiment of the specification further provides a working method of the heat pump automobile air conditioning system, and based on the heat pump automobile air conditioning system, the method comprises the following steps:
when heating, the first electromagnetic valve E and the second electromagnetic valve F are opened, the third electromagnetic valve H is closed, high-temperature and high-pressure gas at the outlet of the compressor A is introduced into the indoor condenser C1 for heat dissipation, the heating effect in the vehicle is achieved, liquid generated by the indoor condenser C1 is throttled by the second electronic expansion valve G to be low-temperature and low-pressure liquid, the low-temperature and low-pressure liquid is subjected to heat absorption and evaporation by the outdoor heat exchanger B to be low-temperature and low-pressure steam, and then the low-temperature and low-pressure steam is sent into the compressor A through the first electromagnetic valve;
when refrigerating, the first electromagnetic valve E and the second electromagnetic valve F are closed, the third electromagnetic valve H is opened, high-temperature and high-pressure gas at the outlet of the compressor A is introduced into the outdoor heat exchanger B, liquid generated by condensation of the outdoor heat exchanger B is throttled by the first electronic expansion valve D to form low-temperature and low-pressure liquid, the indoor evaporator C2 performs heat exchange between the low-temperature and low-pressure liquid and outside air, the effect of refrigeration is achieved by vaporization and heat absorption, and gas discharged from the indoor evaporator C2 is sent into the compressor A to complete circulation.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
In addition, well-known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown in the provided figures, for simplicity of illustration and discussion, and so as not to obscure one or more embodiments of the disclosure. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the understanding of one or more embodiments of the present description, and this also takes into account the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the one or more embodiments of the present description are to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the disclosure, it should be apparent to one skilled in the art that one or more embodiments of the disclosure can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (6)
1. A heat pump automobile air conditioning system is characterized by comprising a compressor, an outdoor heat exchanger and a heat supply, ventilation and air conditioning assembly;
an indoor condenser and an indoor evaporator are arranged in the heat supply ventilation and air conditioning assembly;
the outdoor heat exchanger is connected to an input port of the indoor evaporator through a first electronic expansion valve, an output port of the indoor evaporator is connected to an inlet of the compressor through a one-way valve, and the outdoor heat exchanger is also connected with the inlet of the compressor through a first electromagnetic valve;
the input port of the indoor condenser is connected to the outlet of the compressor through a second electromagnetic valve, the output port of the indoor condenser is connected to the outdoor heat exchanger through a second electronic expansion valve, and the outlet of the compressor is also connected with the outdoor heat exchanger through a third electromagnetic valve.
2. The heat pump automobile air-conditioning system according to claim 1, wherein a gas-liquid separator is connected to an inlet of the compressor, and the check valve and the first solenoid valve are both connected to the inlet of the compressor through the gas-liquid separator.
3. The heat pump automobile air-conditioning system according to claim 1, wherein a plate heat exchanger is connected between the outdoor heat exchanger and the first electromagnetic valve, the outdoor heat exchanger is connected to a cold medium inlet of the plate heat exchanger, the first electromagnetic valve is connected to a cold medium outlet of the plate heat exchanger, a hot medium inlet of the plate heat exchanger is connected to a motor through a first water pump, a hot medium outlet of the plate heat exchanger is connected to a motor radiator, and the motor radiator is connected to the motor.
4. The heat pump vehicle air conditioning system of claim 3, wherein the motor heat sink is mounted proximate to the outdoor heat exchanger.
5. The heat pump automobile air-conditioning system according to claim 1, wherein the outdoor heat exchanger is further connected to a cold medium inlet of a battery cooler through a third electronic expansion valve, a cold medium outlet of the battery cooler is connected to an inlet of the compressor, a hot medium inlet of the battery cooler is connected to a battery through a second water pump and a water heating PTC in sequence, and a hot medium outlet of the battery cooler is connected to the battery.
6. A heat pump automobile air conditioning system working method based on any one of claims 1 to 5, characterized in that the working method comprises:
when heating, the first electromagnetic valve and the second electromagnetic valve are opened, the third electromagnetic valve is closed, high-temperature and high-pressure gas at the outlet of the compressor is introduced into the indoor condenser for heat dissipation, so that the heating effect in the vehicle is achieved, liquid generated by the indoor condenser is throttled by the second electronic expansion valve to form low-temperature and low-pressure liquid, the outdoor heat exchanger absorbs heat and evaporates the low-temperature and low-pressure liquid to form low-temperature and low-pressure steam, and the low-temperature and low-pressure steam is sent into the compressor through the first electromagnetic valve to complete circulation;
when refrigerating, the first electromagnetic valve and the second electromagnetic valve are closed, the third electromagnetic valve is opened, high-temperature and high-pressure gas at the outlet of the compressor is introduced into the outdoor heat exchanger, liquid generated by condensation of the outdoor heat exchanger is throttled by the first electronic expansion valve to form low-temperature and low-pressure liquid, the indoor evaporator exchanges heat between the low-temperature and low-pressure liquid and outside air, the effect of refrigeration is achieved by vaporization and heat absorption, and gas discharged by the indoor evaporator is sent into the compressor to complete circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961400.4A CN112172449A (en) | 2020-09-14 | 2020-09-14 | Heat pump automobile air conditioning system and working method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010961400.4A CN112172449A (en) | 2020-09-14 | 2020-09-14 | Heat pump automobile air conditioning system and working method |
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| Publication Number | Publication Date |
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| CN112172449A true CN112172449A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010961400.4A Pending CN112172449A (en) | 2020-09-14 | 2020-09-14 | Heat pump automobile air conditioning system and working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091919A (en) * | 2022-06-30 | 2022-09-23 | 中国第一汽车股份有限公司 | Air conditioning system for vehicle and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000016072A (en) * | 1998-07-01 | 2000-01-18 | Calsonic Corp | Cooling and heating device for automobile |
| CN205970710U (en) * | 2016-05-10 | 2017-02-22 | 比亚迪股份有限公司 | Car thermal management system and electric automobile |
| CN206579445U (en) * | 2016-12-29 | 2017-10-24 | 比亚迪股份有限公司 | Heat pump type air conditioning system and electric automobile |
-
2020
- 2020-09-14 CN CN202010961400.4A patent/CN112172449A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000016072A (en) * | 1998-07-01 | 2000-01-18 | Calsonic Corp | Cooling and heating device for automobile |
| CN205970710U (en) * | 2016-05-10 | 2017-02-22 | 比亚迪股份有限公司 | Car thermal management system and electric automobile |
| CN206579445U (en) * | 2016-12-29 | 2017-10-24 | 比亚迪股份有限公司 | Heat pump type air conditioning system and electric automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091919A (en) * | 2022-06-30 | 2022-09-23 | 中国第一汽车股份有限公司 | Air conditioning system for vehicle and vehicle |
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Application publication date: 20210105 |
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