CN208867822U - A kind of novel new-energy automobile heat pump air conditioning system - Google Patents
A kind of novel new-energy automobile heat pump air conditioning system Download PDFInfo
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- CN208867822U CN208867822U CN201821653125.4U CN201821653125U CN208867822U CN 208867822 U CN208867822 U CN 208867822U CN 201821653125 U CN201821653125 U CN 201821653125U CN 208867822 U CN208867822 U CN 208867822U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 20
- 239000003507 refrigerant Substances 0.000 claims abstract description 58
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004781 supercooling Methods 0.000 claims description 3
- 239000012809 cooling fluid Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 12
- 238000005057 refrigeration Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides a kind of novel new-energy automobile heat pump air conditioning system, comprising: battery refrigerating module, indoor heat exchange module, heat exchanger, outdoor heat exchanger and other component；The battery refrigerating module includes battery pack evaporator and expansion valve；The other component further includes check valve, shut-off valve E and shut-off valve F；Condensator outlet end indoors is arranged in the check valve, its outlet end is connect with heat exchanger inlets two, the input end of condenser indoors is arranged in the shut-off valve E, and input end is connect with temperature, pressure switch C, and the shut-off valve F is connected in parallel between the outlet end of check valve and the input end of shut-off valve E.The utility model has not only added shut-off valve E, shut-off valve F and check valve in pipeline, can avoid in cooling mode using indoor condenser, and prevent refrigerant return, vehicle interior temperature is avoided to increase；And battery pack evaporator is set in battery refrigerating module, cell safety can be preferably protected, the service life of battery refrigerating module is extended.
Description
Technical Field
The utility model relates to a new energy automobile field specifically, relates to novel new energy automobile heat pump air conditioning system.
Background
The traditional heat pump air-conditioning system has multiple implementation modes, and at present, the traditional heat pump air-conditioning system generally starts an indoor condenser in a refrigeration mode, and the indoor condenser can cause refrigerant backflow, so that the temperature in a vehicle is increased, and the refrigeration effect is greatly influenced. In order to protect the safety of the battery in the traditional heat pump air conditioning system, the battery cooling module generally adopts a battery pack, the cooling pipeline structure connected with the inside of the battery pack is used for cooling, and the battery does not have the cooling pipeline structure inside, so that an independent evaporator is required for cooling, but the two structures are complex, and the service life of the battery is limited.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims at providing a novel new energy automobile heat pump air conditioning system, which not only adds a stop valve E, a stop valve F and a one-way valve in a pipeline, can avoid using an indoor condenser in a refrigeration mode, prevent the backflow of a refrigerant and avoid the temperature rise in an automobile; and set up the battery package evaporimeter in battery cooling module, protection battery safety that can be better prolongs battery cooling module's life.
According to the utility model discloses an aspect provides a novel new energy automobile heat pump air conditioning system, include: battery cooling module, indoor heat exchange module, heat exchanger, outdoor heat exchanger and other parts;
wherein,
-said other components comprising a vapour liquid separator, a temperature pressure switch a, a temperature pressure switch B, a temperature pressure switch C, a compressor, an electronic expansion valve, a stop valve a, a stop valve B, a stop expansion valve;
-said indoor heat exchange module, comprising an evaporator and an indoor condenser, is arranged in the vehicle compartment;
-the indoor condenser, the heat exchanger, the electronic expansion valve, the temperature pressure switch a, the outdoor heat exchanger, the stop expansion valve, the evaporator, the vapor-liquid separator, the temperature pressure switch B, the compressor, and the temperature pressure switch C are connected in series in sequence;
-the battery cooling module is connected in parallel between the evaporator and the shut-off expansion valve;
-said shut-off valve a is connected in parallel with an electronic expansion valve;
the vapor-liquid separator is of a two-inlet one-outlet type, the inlet one is connected with the outlet of the evaporator, the inlet two is connected with the outlet one of the heat exchanger, and the outlet is connected with the temperature pressure switch B;
the heat exchanger has four ports, wherein an inlet I is connected with the stop valve B, an outlet I is connected with an inlet II of the vapor-liquid separator, an inlet II is connected with the outlet end of the indoor condenser, and an outlet II is connected with the stop valve A;
-said battery cooling module comprising a battery pack evaporator and an expansion valve, said battery pack evaporator and expansion valve being connected in series;
-said other components also comprise a non-return valve, a stop valve E and a stop valve F; the check valve is arranged at the outlet end of the indoor condenser, the outlet end of the check valve is connected with the inlet end of the heat exchanger II, the stop valve E is arranged at the inlet end of the indoor condenser, the inlet end of the stop valve E is connected with the temperature pressure switch C, and the stop valve F is connected between the outlet end of the check valve and the inlet end of the stop valve E in parallel.
Preferably, the indoor heat exchange module further comprises an electric heater arranged between the evaporator and the indoor condenser, and the electric heater can directly provide heat for the indoor environment, so that the heat pump system can be started normally in a heating mode.
Preferably, the temperature pressure switch A, the temperature pressure switch B and the temperature pressure switch C can be replaced by temperature pressure sensors; the temperature and pressure switch can open or close corresponding switch contacts when reaching preset temperature and pressure, and the temperature and pressure sensor can detect the change values of the temperature and the pressure in real time; a temperature pressure switch or a temperature pressure sensor can be selectively installed according to actual needs.
Preferably, the shut-off expansion valve may be replaced with a shut-off valve.
Preferably, a stop valve C is connected in series between the outdoor heat exchanger and the stop expansion valve, and can be turned off when the indoor condenser is not used.
Preferably, the battery cooling module further comprises a shut-off valve D having one end connected in series with the expansion valve and the other end connected to the shut-off expansion valve and being shut off when the indoor condenser is not used.
Preferably, the outdoor heat exchanger is of a supercooling type.
Preferably, the evaporator, the indoor condenser and the outdoor heat exchanger are in parallel flow, and the ports of the evaporator, the indoor condenser and the outdoor heat exchanger are all of pressing plates.
Preferably, the heat exchanger is a plate heat exchanger.
Preferably, the refrigerant and the coolant in the heat exchanger flow in opposite directions.
The utility model discloses a theory of operation:
(1) refrigeration working condition: the compressor compresses a gaseous refrigerant to an exhaust port, the high-temperature and high-pressure gaseous refrigerant enters an exhaust pipeline, and the gaseous refrigerant releases heat for multiple times through the stop valve F, the heat exchanger, the stop valve A and the outdoor condenser and is changed into a medium-temperature and high-pressure liquid refrigerant; then, the liquid refrigerant passes through a stop valve C and a stop expansion valve, fully expands in an evaporator, absorbs a large amount of heat and becomes a low-temperature low-pressure gaseous refrigerant; finally, the gaseous refrigerant returns to the air suction port of the compressor through the vapor-liquid separator; and the process is circulated.
(2) Heating working conditions are as follows: the compressor compresses the gaseous refrigerant to an exhaust port, the high-temperature and high-pressure gaseous refrigerant enters an exhaust pipeline, and the gaseous refrigerant releases heat through a stop valve E and an indoor condenser to become a medium-temperature and high-pressure gas-liquid mixed refrigerant; then, the gas-liquid mixed refrigerant releases heat again through the one-way valve and the heat exchanger and is changed into a medium-temperature high-pressure liquid refrigerant; then, the liquid refrigerant passes through the electronic expansion valve and is fully expanded in the outdoor heat exchanger to absorb a large amount of heat, and the liquid refrigerant is changed into a low-temperature low-pressure gaseous refrigerant; finally, the gaseous refrigerant returns to the air suction port of the compressor through the stop valve B, the heat exchanger and the vapor-liquid separator; and the process is circulated.
The refrigeration function is realized by adopting 'reverse Carnot cycle', the heating is realized by 'carrying' heat in the external environment to the internal environment, thereby realizing the heating function and saving energy. The heat exchanger can improve the carrying efficiency of the system during heating. By adding the heat exchanger, the refrigerant is fully condensed before entering the electronic expansion valve, and meanwhile, heat is transferred to the refrigerant entering the compressor, so that the heat energy of the refrigerant entering the compressor is improved, and the carrying efficiency is improved.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model adds the stop valve E, the stop valve F and the one-way valve in the pipeline, thus avoiding the use of the indoor condenser in the refrigeration mode, preventing the backflow of the refrigerant and avoiding the temperature rise in the vehicle;
(2) the battery pack evaporator is arranged in the battery cooling module, so that the safety of the battery can be better protected, and the service life of the battery cooling module is prolonged;
(3) the utility model can be additionally provided with a temperature pressure switch or a temperature pressure sensor according to the requirement, thereby being more flexible and changeable and having stronger practicability;
(4) the utility model can selectively add an electric heater in the indoor heat exchange module according to the requirement, and is integrated with the evaporator and the condenser, which can directly provide heat for the indoor, ensure the normal starting heating mode of the heat pump system, and the installation is simple and convenient, and save the development cost;
(5) the utility model can selectively add the stop valve C and the stop valve D in the pipeline according to the demand, the pipeline is simpler and more reliable, the flexibility is stronger, and the cost is reduced;
(6) the utility model adds a heat exchanger in the pipeline, the refrigerant exchanges heat in the heat exchanger again, the structure can ensure that the refrigerant is in a full liquid state when entering the electronic expansion valve, the working continuity of the expansion valve is ensured, and the efficiency of the expansion valve is improved;
(7) the utility model adds a heat exchanger in the pipeline, the refrigerant transfers heat to the low-temperature low-pressure gaseous refrigerant in the heat exchanger, which can effectively improve the temperature (internal energy) of the gaseous refrigerant entering the air suction port of the compressor and achieve the effect of increasing enthalpy, thereby leading the temperature of the discharge port of the compressor to be higher;
(8) the utility model discloses simple structure, effect are showing, and are with low costs, and operation safe and reliable is fit for popularizing and applying on a large scale.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic diagram of the assembly connection of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
Examples
The embodiment relates to a novel new energy automobile heat pump air conditioning system, and the schematic diagram of the connection of components thereof is shown in the attached figure 1: battery cooling module, indoor heat exchange module, heat exchanger, outdoor heat exchanger and other parts;
wherein,
-said other components comprising a vapour liquid separator, a temperature pressure switch a, a temperature pressure switch B, a temperature pressure switch C, a compressor, an electronic expansion valve, a stop valve a, a stop valve B, a stop expansion valve;
-said indoor heat exchange module, comprising an evaporator and an indoor condenser, is arranged in the vehicle compartment;
-the indoor condenser, the heat exchanger, the electronic expansion valve, the temperature pressure switch a, the outdoor heat exchanger, the stop expansion valve, the evaporator, the vapor-liquid separator, the temperature pressure switch B, the compressor, and the temperature pressure switch C are connected in series in sequence;
-the battery cooling module is connected in parallel between the evaporator and the shut-off expansion valve;
-said shut-off valve a is connected in parallel with an electronic expansion valve;
the vapor-liquid separator is of a two-inlet one-outlet type, the inlet one is connected with the outlet of the evaporator, the inlet two is connected with the outlet one of the heat exchanger, and the outlet is connected with the temperature pressure switch B;
the heat exchanger has four ports, wherein an inlet I is connected with the stop valve B, an outlet I is connected with an inlet II of the vapor-liquid separator, an inlet II is connected with the outlet end of the indoor condenser, and an outlet II is connected with the stop valve A;
-said battery cooling module comprising a battery pack evaporator and an expansion valve, said battery pack evaporator and expansion valve being connected in series;
-said other components also comprise a non-return valve, a stop valve E and a stop valve F; the check valve is arranged at the outlet end of the indoor condenser, the outlet end of the check valve is connected with the inlet end of the heat exchanger II, the stop valve E is arranged at the inlet end of the indoor condenser, the inlet end of the stop valve E is connected with the temperature pressure switch C, and the stop valve F is connected between the outlet end of the check valve and the inlet end of the stop valve E in parallel.
Furthermore, the indoor heat exchange module further comprises an electric heater which is arranged between the evaporator and the indoor condenser, and the electric heater can directly provide heat for the indoor space, so that the heat pump system can be normally started in a heating mode.
Further, the temperature pressure switch A, the temperature pressure switch B and the temperature pressure switch C can be replaced by temperature pressure sensors; the temperature and pressure switch can open or close corresponding switch contacts when reaching preset temperature and pressure, and the temperature and pressure sensor can detect the change values of the temperature and the pressure in real time; a temperature pressure switch or a temperature pressure sensor can be selectively installed according to actual needs.
Further, the stop expansion valve can be replaced by a stop valve.
Furthermore, a stop valve C is connected in series between the outdoor heat exchanger and the stop expansion valve, and can be turned off when the indoor condenser is not used.
Furthermore, the battery cooling module further comprises a stop valve D, one end of the stop valve D is connected with the expansion valve in series, and the other end of the stop valve D is connected with the stop expansion valve and can be closed when the indoor condenser is not used.
Furthermore, the outdoor heat exchanger is of a supercooling type.
Furthermore, the evaporator, the indoor condenser and the outdoor heat exchanger are in parallel flow type, and the ports of the evaporator, the indoor condenser and the outdoor heat exchanger are all pressing plate type.
Further, the heat exchanger is a plate heat exchanger.
Further, the refrigerant and the cooling liquid in the heat exchanger flow in opposite directions.
The utility model discloses a theory of operation:
(1) refrigeration working condition: the compressor compresses a gaseous refrigerant to an exhaust port, the high-temperature and high-pressure gaseous refrigerant enters an exhaust pipeline, and the gaseous refrigerant releases heat for multiple times through the stop valve F, the heat exchanger, the stop valve A and the outdoor condenser and is changed into a medium-temperature and high-pressure liquid refrigerant; then, the liquid refrigerant passes through a stop valve C and a stop expansion valve, fully expands in an evaporator, absorbs a large amount of heat and becomes a low-temperature low-pressure gaseous refrigerant; finally, the gaseous refrigerant returns to the air suction port of the compressor through the vapor-liquid separator; and the process is circulated.
(2) Heating working conditions are as follows: the compressor compresses the gaseous refrigerant to an exhaust port, the high-temperature and high-pressure gaseous refrigerant enters an exhaust pipeline, and the gaseous refrigerant releases heat through a stop valve E and an indoor condenser to become a medium-temperature and high-pressure gas-liquid mixed refrigerant; then, the gas-liquid mixed refrigerant releases heat again through the one-way valve and the heat exchanger and is changed into a medium-temperature high-pressure liquid refrigerant; then, the liquid refrigerant passes through the electronic expansion valve and is fully expanded in the outdoor heat exchanger to absorb a large amount of heat, and the liquid refrigerant is changed into a low-temperature low-pressure gaseous refrigerant; finally, the gaseous refrigerant returns to the air suction port of the compressor through the stop valve B, the heat exchanger and the vapor-liquid separator; and the process is circulated.
The refrigeration function is realized by adopting 'reverse Carnot cycle', the heating is realized by 'carrying' heat in the external environment to the internal environment, thereby realizing the heating function and saving energy. The heat exchanger can improve the carrying efficiency of the system during heating. By adding the heat exchanger, the refrigerant is fully condensed before entering the electronic expansion valve, and meanwhile, heat is transferred to the refrigerant entering the compressor, so that the heat energy of the refrigerant entering the compressor is improved, and the carrying efficiency is improved.
The embodiment has the following beneficial effects:
(1) the utility model adds the stop valve E, the stop valve F and the one-way valve in the pipeline, thus avoiding the use of the indoor condenser in the refrigeration mode, preventing the backflow of the refrigerant and avoiding the temperature rise in the vehicle;
(2) the battery pack evaporator is arranged in the battery cooling module, so that the safety of the battery can be better protected, and the service life of the battery cooling module is prolonged;
(3) the utility model can be additionally provided with a temperature pressure switch or a temperature pressure sensor according to the requirement, thereby being more flexible and changeable and having stronger practicability;
(4) the utility model can selectively add an electric heater in the indoor heat exchange module according to the requirement, and is integrated with the evaporator and the condenser, which can directly provide heat for the indoor, ensure the normal starting heating mode of the heat pump system, and the installation is simple and convenient, and save the development cost;
(5) the utility model can selectively add the stop valve C and the stop valve D in the pipeline according to the demand, the pipeline is simpler and more reliable, the flexibility is stronger, and the cost is reduced;
(6) the utility model adds a heat exchanger in the pipeline, the refrigerant exchanges heat in the heat exchanger again, the structure can ensure that the refrigerant is in a full liquid state when entering the electronic expansion valve, the working continuity of the expansion valve is ensured, and the efficiency of the expansion valve is improved;
(7) the utility model adds a heat exchanger in the pipeline, the refrigerant transfers heat to the low-temperature low-pressure gaseous refrigerant in the heat exchanger, which can effectively improve the temperature (internal energy) of the gaseous refrigerant entering the air suction port of the compressor and achieve the effect of increasing enthalpy, thereby leading the temperature of the discharge port of the compressor to be higher;
(8) the utility model discloses simple structure, effect are showing, and are with low costs, and operation safe and reliable is fit for popularizing and applying on a large scale.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (10)
1. A novel new energy automobile heat pump air conditioning system comprises: battery cooling module, indoor heat exchange module, heat exchanger, outdoor heat exchanger and other parts;
wherein,
-said other components comprising a vapour liquid separator, a temperature pressure switch a, a temperature pressure switch B, a temperature pressure switch C, a compressor, an electronic expansion valve, a stop valve a, a stop valve B, a stop expansion valve;
-said indoor heat exchange module, comprising an evaporator and an indoor condenser, is arranged in the vehicle compartment;
-the indoor condenser, the heat exchanger, the electronic expansion valve, the temperature pressure switch a, the outdoor heat exchanger, the stop expansion valve, the evaporator, the vapor-liquid separator, the temperature pressure switch B, the compressor, and the temperature pressure switch C are connected in series in sequence;
-the battery cooling module is connected in parallel between the evaporator and the shut-off expansion valve;
-said shut-off valve a is connected in parallel with an electronic expansion valve;
the vapor-liquid separator is of a two-inlet one-outlet type, the inlet one is connected with the outlet of the evaporator, the inlet two is connected with the outlet one of the heat exchanger, and the outlet is connected with the temperature pressure switch B;
the heat exchanger has four ports, wherein an inlet I is connected with the stop valve B, an outlet I is connected with an inlet II of the vapor-liquid separator, an inlet II is connected with the outlet end of the indoor condenser, and an outlet II is connected with the stop valve A;
the battery cooling module is characterized by comprising a battery pack evaporator and an expansion valve, wherein the battery pack evaporator and the expansion valve are connected in series;
-said other components also comprise a non-return valve, a stop valve E and a stop valve F; the check valve is arranged at the outlet end of the indoor condenser, the outlet end of the check valve is connected with the inlet end of the heat exchanger II, the stop valve E is arranged at the inlet end of the indoor condenser, the inlet end of the stop valve E is connected with the temperature pressure switch C, and the stop valve F is connected between the outlet end of the check valve and the inlet end of the stop valve E in parallel.
2. The heat pump air-conditioning system of the novel new energy automobile as claimed in claim 1, wherein the indoor heat exchange module further comprises an electric heater disposed between the evaporator and the indoor condenser.
3. The heat pump air-conditioning system for the new energy automobile as claimed in claim 1, wherein the temperature pressure switch a, the temperature pressure switch B and the temperature pressure switch C are all replaceable with temperature pressure sensors.
4. The heat pump air-conditioning system for the new energy automobile as claimed in claim 1, wherein the stop expansion valve is replaceable as a stop valve.
5. The heat pump air-conditioning system for the new energy automobile as claimed in claim 1, wherein a stop valve C is connected in series between the outdoor heat exchanger and the stop expansion valve.
6. The heat pump air-conditioning system for the new energy automobile as claimed in claim 1, wherein the battery cooling module further comprises a stop valve D, one end of which is connected in series with the expansion valve, and the other end of which is connected to the stop expansion valve.
7. The heat pump air-conditioning system for the new energy automobile as claimed in claim 1, wherein the outdoor heat exchanger is of a supercooling type.
8. The heat pump air-conditioning system for the new energy automobile as claimed in claim 1, wherein the evaporator, the indoor condenser and the outdoor heat exchanger are all parallel flow type, and the ports of the evaporator, the indoor condenser and the outdoor heat exchanger are all pressing plate type.
9. The heat pump air-conditioning system of the new energy automobile as claimed in claim 1, wherein the heat exchanger is a plate heat exchanger.
10. The new energy vehicle heat pump air conditioning system according to claim 1, wherein the refrigerant and the cooling fluid in the heat exchanger flow in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821653125.4U CN208867822U (en) | 2018-10-12 | 2018-10-12 | A kind of novel new-energy automobile heat pump air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821653125.4U CN208867822U (en) | 2018-10-12 | 2018-10-12 | A kind of novel new-energy automobile heat pump air conditioning system |
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| CN208867822U true CN208867822U (en) | 2019-05-17 |
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| CN201821653125.4U Active CN208867822U (en) | 2018-10-12 | 2018-10-12 | A kind of novel new-energy automobile heat pump air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177689A (en) * | 2018-10-12 | 2019-01-11 | 泰铂（上海）环保科技股份有限公司 | A kind of novel new-energy automobile heat pump air conditioning system |
-
2018
- 2018-10-12 CN CN201821653125.4U patent/CN208867822U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109177689A (en) * | 2018-10-12 | 2019-01-11 | 泰铂（上海）环保科技股份有限公司 | A kind of novel new-energy automobile heat pump air conditioning system |
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