CN212159087U - Hybrid vehicle heat pump air conditioner test system - Google Patents
Hybrid vehicle heat pump air conditioner test system Download PDFInfo
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- CN212159087U CN212159087U CN202021220758.3U CN202021220758U CN212159087U CN 212159087 U CN212159087 U CN 212159087U CN 202021220758 U CN202021220758 U CN 202021220758U CN 212159087 U CN212159087 U CN 212159087U
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- 238000012360 testing method Methods 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000004378 air conditioning Methods 0.000 claims abstract description 15
- 239000002918 waste heat Substances 0.000 claims abstract description 4
- 239000003507 refrigerant Substances 0.000 claims description 20
- 239000002826 coolant Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 18
- 238000005057 refrigeration Methods 0.000 abstract description 18
- 238000013461 design Methods 0.000 description 13
- 238000007791 dehumidification Methods 0.000 description 9
- 238000011161 development Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a mix-action automobile heat pump air conditioner test system, which comprises a rack, a compressor, a condenser, a first flowmeter, a first expansion valve, an evaporator, a second expansion valve, a battery cooler, a water pump, a heater, a second flowmeter, a warm air core body, an engine radiator, a heat generating device for generating heat to simulate the waste heat of an engine, a temperature and pressure measuring component and a temperature measuring device; the rack is internally provided with a passenger cabin, a warm air chamber and an air duct for communicating the passenger cabin with the warm air chamber, the evaporator is arranged in the passenger cabin, and the warm air core is arranged in the warm air chamber; the outlet of the compressor is connected with the inlet of the condenser; the outlet of the condenser is connected with the inlet of the first flowmeter. The utility model discloses can test fast and mix the refrigeration and the heating performance of automobile heat pump air conditioning system under various modes, convenient operation is swift, can shorten test cycle, reduces test cost.
Description
Technical Field
The utility model relates to a thoughtlessly move car heat pump air conditioner test system.
Background
At present, under the situation of rapid development of new energy vehicles, research on air conditioning systems and thermal management systems of new energy vehicles is also urgent, wherein heat pump type air conditioners are the mainstream technology of new energy vehicle air conditioners.
In the development of the hybrid electric vehicle, because of numerous automobile manufacturers in China, various types of hybrid electric vehicles also appear, although the heat pump air-conditioning principles of various types of vehicles are basically consistent, the specification sizes and the types of the various types of vehicles are different, and therefore, a large amount of investment in financial resources, material resources and manpower is generated in the aspects of design, verification, adjustment improvement, operation logic and the like of the heat pump air-conditioning of the hybrid electric vehicle. At present, verification and detection of a heat pump type air conditioner in a hybrid vehicle are generally carried out on a standard enthalpy difference test bed, relevant data are obtained through detection by a standard method, and then the design of the air conditioner is adjusted or modified according to the data. However, the verification, detection and test operations on the enthalpy difference table are complicated, the whole process is long in period and high in cost, and the requirement on the professional skills of operators is extremely high.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a mix and move car heat pump air conditioner test system, it can test fast and mix the refrigeration and the heating performance of car heat pump air conditioner system under various modes, and convenient operation is swift, can shorten test cycle, reduces test cost.
In order to solve the technical problem, the technical scheme of the utility model is that: a heat pump air conditioner test system of a hybrid electric vehicle comprises a rack, a compressor, a condenser, a first flowmeter, a first expansion valve, an evaporator, a second expansion valve, a battery cooler, a water pump, a heater, a second flowmeter, a warm air core body, an engine radiator and a heat generating device for generating heat to simulate the waste heat of an engine; wherein the content of the first and second substances,
the compressor, the condenser, the evaporator, the battery cooler, the water pump, the heater, the warm air core body, the heat generating device and the engine radiator are all arranged on the rack;
the rack is internally provided with a passenger cabin, a warm air chamber and at least one air duct for communicating the passenger cabin with the warm air chamber, the evaporator is arranged in the passenger cabin, and the warm air core is arranged in the warm air chamber;
the outlet of the compressor is connected with the inlet of the condenser;
the outlet of the condenser is connected with the inlet of the first flowmeter;
an outlet of the first flowmeter is respectively connected with an inlet of the first expansion valve and an inlet of the second expansion valve;
an outlet of the first expansion valve is connected with the evaporator;
the outlet of the evaporator is connected with the inlet of the compressor;
an outlet of the second expansion valve is connected with an inlet of the battery cooler;
the outlet of the battery cooler is connected with the inlet of the compressor;
the outlet of the water pump is connected with the inlet of the heater;
the outlet of the heater is connected with the inlet of the second flowmeter;
the outlet of the second flowmeter is connected with the inlet of the warm air core;
the outlet of the warm air core is connected with the inlet of the heat generating device through a first pipeline;
the outlet of the heat generating device is connected with the inlet of the engine radiator;
the outlet of the engine radiator is connected with the inlet of the water pump;
temperature and pressure measuring parts for measuring the pressure and temperature of the refrigerant are respectively installed at the inlet of the compressor, the inlet of the condenser, the inlet of the first flowmeter, the inlet of the evaporator and the inlet of the battery cooler;
temperature measuring devices for measuring the temperature of water flow are respectively arranged at the outlet of the water pump, the outlet of the second flowmeter, the outlet of the warm air core body, the outlet of the heat generating device and the outlet of the engine radiator.
Further, in order to supplement a water source into the first pipeline, the hybrid electric vehicle heat pump air conditioner testing system further comprises a water kettle, and a water outlet of the water kettle is communicated with the first pipeline.
Further provided is a specific aspect of the first flow meter and the second flow meter, and the first flow meter and the second flow meter are mass flow meters.
Further provided is a specific embodiment of the first expansion valve and the second expansion valve, wherein the first expansion valve and the second expansion valve are electronic expansion valves.
Further, the heater is a high-pressure coolant heater.
Further provides a concrete scheme of the warm-pressing measuring component, and the warm-pressing measuring component is a pressure temperature sensor.
Further provides a concrete scheme of the temperature measuring device, and the temperature measuring device is a temperature sensor.
Further provided is a specific embodiment of the heat generating device, wherein the heat generating device is an electric heater.
Further to improve the accuracy of the test, the positions of the compressor, the condenser, the evaporator, the battery cooler, the water pump, the heater, the warm air core, the heat generating device and the engine radiator on the rack are consistent with the positions of the compressor, the condenser, the evaporator, the battery cooler, the water pump, the heater, the warm air core, the heat generating device and the engine radiator on the real vehicle.
After the technical scheme is adopted, when the heat pump air conditioner testing system of the hybrid electric vehicle runs in a single refrigeration mode, a first flow value is measured through the first flowmeter, and temperature values and pressure values of inlets and outlets of two heat exchange devices, namely an evaporator and a condenser, are respectively measured through the temperature and pressure measuring component; calculating the enthalpy difference of the refrigerant at the inlet and the outlet of each heat exchange device according to the temperature value and the pressure value of the inlet and the outlet of each heat exchange device; and calculating the product of the enthalpy difference of each heat exchange device and the first flow value to obtain the refrigerating performance Q of the heat exchange device, and comparing the refrigerating performance Q with a design target value to obtain a test result.
When the hybrid electric vehicle heat pump air conditioner testing system operates in a double-refrigeration mode, a first flow value is measured through the first flowmeter, and temperature values and pressure values of inlets and outlets of three heat exchange devices, namely an evaporator, a condenser and a battery cooler, are respectively measured through the temperature and pressure measuring component; calculating the enthalpy difference of the refrigerant at the inlet and the outlet of each heat exchange device according to the temperature value and the pressure value of the inlet and the outlet of each heat exchange device; and calculating the product of the enthalpy difference of each heat exchange device and the first flow value to obtain the refrigerating performance Q of the heat exchange device, and comparing the refrigerating performance Q with a design target value to obtain a test result.
When the heat pump air conditioner testing system of the hybrid electric vehicle operates in a heating mode, a second flow value is measured through the second flowmeter, the temperature difference of the inlet and the outlet of the warm air core body is measured through the temperature measuring device, the heating performance P is converted according to the second flow value and the temperature difference of the inlet and the outlet of the warm air core body, and the heating performance P is compared with a design target value to obtain a test result. When the hybrid vehicle heat pump air conditioner testing system operates in a dehumidification mode, the dehumidification performance is measured through the dehumidification effect. The heat pump air-conditioning system of the hybrid electric vehicle can be rapidly tested for refrigerating and heating performances under various modes, and whether the operation of each part is normal or not and whether the cooperation between the parts is smooth or not are verified. And an enthalpy difference table is not needed, the test operation is simpler, more convenient and faster, the test period is greatly shortened, the test cost is reduced, and the requirement on the professional skill of an operator can be reduced. In addition, the hybrid vehicle heat pump air conditioner testing system can also carry out refrigeration performance testing, heating performance testing, refrigerant path realizability, water path realizability and the like on the air conditioning system in the early stage of design and development of the hybrid vehicle heat pump air conditioner, can predict the comprehensive performance of the air conditioning system, can quickly realize calibration of the hybrid vehicle air conditioning system controller and development of a control strategy, and greatly reduces the development period and investment of manpower, material resources and financial resources.
Drawings
Fig. 1 is the utility model discloses a schematic block diagram of thoughtlessly move car heat pump air conditioner test system.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, a hybrid vehicle heat pump air conditioner testing system comprises a rack, a compressor 1, a condenser 2, a first flowmeter 3, a first expansion valve 4, an evaporator 5, a second expansion valve 6, a battery cooler 7, a water pump 8, a heater 9, a second flowmeter 10, a warm air core 11, an engine radiator 12 and a heat generating device 13 for generating heat to simulate the waste heat of an engine; wherein the content of the first and second substances,
the compressor 1, the condenser 2, the evaporator 5, the battery cooler 7, the water pump 8, the heater 9, the warm air core 11, the heat generating device 13 and the engine radiator 12 are all arranged on the rack;
a passenger cabin, a warm air chamber and at least one air duct for communicating the passenger cabin with the warm air chamber are arranged in the rack, the evaporator 5 is arranged in the passenger cabin, and the warm air core 11 is arranged in the warm air chamber; specifically, the air duct may be provided with an on-off valve for opening or closing the air duct;
the outlet of the compressor 1 is connected with the inlet of the condenser 2;
the outlet of the condenser 2 is connected with the inlet of the first flowmeter 3;
an outlet of the first flowmeter 3 is connected with an inlet of the first expansion valve 4 and an inlet of the second expansion valve 6 respectively;
the outlet of the first expansion valve 4 is connected with the evaporator 5;
the outlet of the evaporator 5 is connected with the inlet of the compressor 1;
the outlet of the second expansion valve 6 is connected to the inlet of the battery cooler 7;
the outlet of the battery cooler 7 is connected with the inlet of the compressor 1;
the outlet of the water pump 8 is connected with the inlet of the heater 9;
the outlet of the heater 9 is connected with the inlet of the second flowmeter 10;
the outlet of the second flowmeter 10 is connected with the inlet of the warm air core body 11;
the outlet of the warm air core body 11 is connected with the inlet of the heat generating device 13 through a first pipeline 14;
the outlet of the heat generating device 13 is connected to the inlet of the engine radiator 12;
the outlet of the engine radiator 12 is connected with the inlet of the water pump 8;
temperature and pressure measuring parts 15 for measuring the pressure and temperature of the refrigerant are installed at the inlet of the compressor 1, the inlet of the condenser 2, the inlet of the first flow meter 3, the inlet of the evaporator 5, and the inlet of the battery cooler 7, respectively;
As shown in fig. 1, the heat pump air conditioning test system of the hybrid electric vehicle may further include a water bottle 17, a water outlet of the water bottle 17 is communicated with the first pipeline 14, and the water bottle 17 is used for supplementing a water source into the first pipeline 14.
As shown in fig. 1, the first flowmeter 3 and the second flowmeter 10 may be mass flow meters, the first expansion valve 4 and the second expansion valve 6 may be electronic expansion valves, the heater 9 may be a high-pressure coolant heater 9, the temperature and pressure measuring means 15 may be a pressure and temperature sensor, the temperature measuring means 16 may be a temperature sensor, and the heat generating means 13 may be an electric heater.
As shown in fig. 1, the positions of the compressor 1, the condenser 2, the evaporator 5, the battery cooler 7, the water pump 8, the heater 9, the heater core 11, the heat generating device 13, and the engine radiator 12 on the skid, which may be in accordance with the real vehicle model 1: 1, building.
Specifically, the test method of the hybrid vehicle heat pump air conditioner test system comprises the following steps:
s1: the hybrid vehicle heat pump air conditioner testing system is enabled to operate in a single refrigeration mode or a double refrigeration mode or a heating mode or a dehumidification mode, S2 is executed when the operation mode is the single refrigeration mode, S3 is executed when the operation mode is the double refrigeration mode, and S4 is executed when the operation mode is the heating mode;
s2: a first flow value is measured through the first flowmeter 3, and temperature values and pressure values of inlets and outlets of the evaporator 5 and the condenser 2 are respectively measured through the temperature and pressure measuring component 15; calculating the enthalpy difference of the refrigerant at the inlet and the outlet of each heat exchange device according to the temperature value and the pressure value of the inlet and the outlet of each heat exchange device; calculating the product of the enthalpy difference of each heat exchange device and the first flow value to obtain the refrigeration performance Q of the heat exchange device, and comparing the refrigeration performance Q with a design target value to obtain a test result;
s3: a first flow value is measured through the first flow meter 3, and temperature values and pressure values of inlets and outlets of the evaporator 5, the condenser 2 and the battery cooler 7 are respectively measured through the temperature and pressure measuring component 15; calculating the enthalpy difference of the refrigerant at the inlet and the outlet of each heat exchange device according to the temperature value and the pressure value of the inlet and the outlet of each heat exchange device; calculating the product of the enthalpy difference of each heat exchange device and the first flow value to obtain the refrigeration performance Q of the heat exchange device, and comparing the refrigeration performance Q with a design target value to obtain a test result;
s4: and measuring a second flow value through the second flowmeter 10, measuring the water temperature difference of the inlet and the outlet of the warm air core body 11 through the temperature measuring device 16, converting the heating performance P according to the second flow value and the water temperature difference of the inlet and the outlet of the warm air core body 11, and comparing the heating performance P with a design target value to obtain a test result.
More specifically, in step S1, the specific steps of operating the hybrid vehicle heat pump air conditioner test system in the single cooling mode include:
and closing the air duct, opening the first expansion valve 4, closing the second expansion valve 6, and starting the compressor 1 so that the refrigerant in the compressor 1 flows into the inlet of the compressor 1 after sequentially flowing through the condenser 2, the first flowmeter 3, the first expansion valve 4 and the evaporator 5 from the outlet of the compressor 1. The evaporator 5 is located in the passenger compartment, and after heat exchange is carried out between air in the passenger compartment and low-temperature refrigerant in the evaporator 5, the temperature of the air in the passenger compartment is reduced to achieve a refrigeration effect.
More specifically, in step S1, the specific steps of operating the hybrid vehicle heat pump air conditioner test system in the dual cooling mode include:
closing the air duct, opening the first expansion valve 4 and the second expansion valve 6, starting the compressor 1 so that the refrigerant in the compressor 1 flows from the outlet of the compressor 1 through the condenser 2 and the first flow meter 3 in sequence, and then flows into the first expansion valve 4 and the second expansion valve 6 respectively; the refrigerant in the first expansion valve 4 flows from the inlet of the compressor 1 to the compressor 1 after passing through the evaporator 5, and the refrigerant in the second expansion valve 6 flows from the inlet of the compressor 1 to the compressor 1 after passing through the battery cooler 7. After the air in the passenger compartment exchanges heat with the low-temperature refrigerant in the evaporator 5, the temperature of the air in the passenger compartment is reduced to achieve the refrigeration effect; the low-temperature refrigerant in the battery cooler 7 exchanges heat with the battery cooling water to reduce the temperature of the battery cooling water, and further the purpose of cooling the battery is achieved.
More specifically, in step S1, the specific steps of operating the hybrid vehicle heat pump air conditioner test system in the heating mode are as follows:
and opening the air duct, and starting the water pump 8 to enable water to flow from the outlet of the water pump 8 to the inlet of the water pump 8 after sequentially flowing through the heater 9, the second flowmeter 10, the warm air core 11, the heat generating device 13 and the engine radiator 12. Air in the passenger compartment flows into the warm air chamber through the air duct, exchanges heat with high-temperature water flow in the warm air core 11, then the temperature is raised, and then the air flows back to the passenger compartment to achieve the purpose of heating.
More specifically, in step S1, the specific steps of operating the hybrid vehicle heat pump air conditioner test system in the dehumidification mode include:
the air duct is opened, the first expansion valve 4 is opened, the second expansion valve 6 is closed, the compressor 1 is started so that the refrigerant in the compressor 1 flows into the inlet of the compressor 1 after sequentially flowing through the condenser 2, the first flowmeter 3, the first expansion valve 4 and the evaporator 5 from the outlet of the compressor 1, and the water pump 8 is started so that water flows to the inlet of the water pump 8 after sequentially flowing through the heater 9, the second flowmeter 10, the warm air core 11, the heat generating device 13 and the engine radiator 12 from the outlet of the water pump 8. The temperature of the air in the passenger compartment is reduced after heat exchange with the low-temperature refrigerant in the evaporator 5, meanwhile, water vapor in the air is liquefied when meeting cold, so that the humidity of the air is reduced, then the air flows into the warm air chamber through the air duct, the temperature of the air is increased to the proper temperature of a human body after heat exchange with water flow in the warm air core body 11, and then the air flows back to the passenger compartment, so that the purpose of dehumidification is achieved.
The working principle of the utility model is as follows:
when the hybrid electric vehicle heat pump air conditioner testing system operates in a single refrigeration mode, a first flow value is measured through the first flowmeter 3, and temperature values and pressure values of inlets and outlets of two heat exchange devices, namely the evaporator 5 and the condenser 2, are respectively measured through the temperature and pressure measuring component 15; calculating the enthalpy difference of the refrigerant at the inlet and the outlet of each heat exchange device according to the temperature value and the pressure value of the inlet and the outlet of each heat exchange device; and calculating the product of the enthalpy difference of each heat exchange device and the first flow value to obtain the refrigerating performance Q of the heat exchange device, and comparing the refrigerating performance Q with a design target value to obtain a test result.
When the hybrid electric vehicle heat pump air conditioner testing system operates in a double-refrigeration mode, a first flow value is measured through the first flow meter 3, and temperature values and pressure values of inlets and outlets of three heat exchange devices, namely the evaporator 5, the condenser 2 and the battery cooler 7, are respectively measured through the temperature and pressure measuring component 15; calculating the enthalpy difference of the refrigerant at the inlet and the outlet of each heat exchange device according to the temperature value and the pressure value of the inlet and the outlet of each heat exchange device; and calculating the product of the enthalpy difference of each heat exchange device and the first flow value to obtain the refrigerating performance Q of the heat exchange device, and comparing the refrigerating performance Q with a design target value to obtain a test result.
When the heat pump air conditioner test system of the hybrid electric vehicle operates in a heating mode, a second flow value is measured through the second flowmeter 10, the water temperature difference of the inlet and the outlet of the warm air core body 11 is measured through the temperature measuring device 16, the heating performance P is converted according to the second flow value and the water temperature difference of the inlet and the outlet of the warm air core body 11, and the heating performance P is compared with a design target value to obtain a test result. When the hybrid vehicle heat pump air conditioner testing system operates in a dehumidification mode, the dehumidification performance is measured through the dehumidification effect. The heat pump air-conditioning system of the hybrid electric vehicle can be rapidly tested for refrigerating and heating performances under various modes, and whether the operation of each part is normal or not and whether the cooperation between the parts is smooth or not are verified. And an enthalpy difference table is not needed, the test operation is simpler, more convenient and faster, the test period is greatly shortened, the test cost is reduced, and the requirement on the professional skill of an operator can be reduced. In addition, the hybrid vehicle heat pump air conditioner testing system can also carry out refrigeration performance testing, heating performance testing, refrigerant path realizability, water path realizability and the like on the air conditioning system in the early stage of design and development of the hybrid vehicle heat pump air conditioner, can predict the comprehensive performance of the air conditioning system, can quickly realize calibration of the hybrid vehicle air conditioning system controller and development of a control strategy, and greatly reduces the development period and investment of manpower, material resources and financial resources.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (9)
1. A heat pump air conditioner test system of a hybrid electric vehicle is characterized by comprising a rack, a compressor (1), a condenser (2), a first flowmeter (3), a first expansion valve (4), an evaporator (5), a second expansion valve (6), a battery cooler (7), a water pump (8), a heater (9), a second flowmeter (10), a warm air core body (11), an engine radiator (12) and a heat generating device (13) for generating heat to simulate the waste heat of an engine; wherein the content of the first and second substances,
the compressor (1), the condenser (2), the evaporator (5), the battery cooler (7), the water pump (8), the heater (9), the warm air core body (11), the heat generating device (13) and the engine radiator (12) are all arranged on the rack;
the rack is internally provided with a passenger cabin, a warm air chamber and at least one air duct for communicating the passenger cabin with the warm air chamber, the evaporator (5) is arranged in the passenger cabin, and the warm air core (11) is arranged in the warm air chamber;
the outlet of the compressor (1) is connected with the inlet of the condenser (2);
the outlet of the condenser (2) is connected with the inlet of the first flowmeter (3);
an outlet of the first flowmeter (3) is respectively connected with an inlet of the first expansion valve (4) and an inlet of the second expansion valve (6);
the outlet of the first expansion valve (4) is connected with the evaporator (5);
the outlet of the evaporator (5) is connected with the inlet of the compressor (1);
the outlet of the second expansion valve (6) is connected with the inlet of the battery cooler (7);
the outlet of the battery cooler (7) is connected with the inlet of the compressor (1);
the outlet of the water pump (8) is connected with the inlet of the heater (9);
the outlet of the heater (9) is connected with the inlet of the second flowmeter (10);
the outlet of the second flowmeter (10) is connected with the inlet of the warm air core (11);
the outlet of the warm air core body (11) is connected with the inlet of the heat generating device (13) through a first pipeline (14);
the outlet of the heat generating device (13) is connected with the inlet of the engine radiator (12);
the outlet of the engine radiator (12) is connected with the inlet of the water pump (8);
temperature and pressure measuring parts (15) for measuring the pressure and temperature of the refrigerant are respectively installed at the inlet of the compressor (1), the inlet of the condenser (2), the inlet of the first flow meter (3), the inlet of the evaporator (5) and the inlet of the battery cooler (7);
temperature measuring devices (16) for measuring water flow temperatures are respectively arranged at the outlet of the water pump (8), the outlet of the second flowmeter (10), the outlet of the warm air core body (11), the outlet of the heat generating device (13) and the outlet of the engine radiator (12).
2. The heat pump air conditioner test system of the hybrid electric vehicle as claimed in claim 1, further comprising a kettle (17), wherein a water outlet of the kettle (17) is in communication with the first pipe (14).
3. The hybrid vehicle heat pump air conditioner test system according to claim 1, wherein the first flow meter (3) and the second flow meter (10) are mass flow meters.
4. The hybrid vehicle heat pump air-conditioning test system according to claim 1, wherein the first expansion valve (4) and the second expansion valve (6) are electronic expansion valves.
5. The hybrid vehicle heat pump air conditioner test system according to claim 1, wherein the heater (9) is a high pressure coolant heater.
6. The hybrid vehicle heat pump air conditioner test system according to claim 1, wherein the warm pressure measuring component (15) is a pressure temperature sensor.
7. The hybrid vehicle heat pump air conditioner testing system of claim 1, wherein the temperature measuring device (16) is a temperature sensor.
8. The hybrid vehicle heat pump air conditioner test system according to claim 1, wherein the heat generating device (13) is an electric heater.
9. The heat pump air-conditioning test system for hybrid electric vehicle according to claim 1, wherein the positions of the compressor (1), the condenser (2), the evaporator (5), the battery cooler (7), the water pump (8), the heater (9), the warm air core (11), the heat generating device (13) and the engine radiator (12) on the bench are consistent with the positions thereof on the real vehicle.
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| CN202021220758.3U CN212159087U (en) | 2020-06-28 | 2020-06-28 | Hybrid vehicle heat pump air conditioner test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579270A (en) * | 2020-06-28 | 2020-08-25 | 江苏中关村科技产业园节能环保研究有限公司 | Hybrid vehicle heat pump air conditioner test system and test method |
| CN114166514A (en) * | 2021-11-26 | 2022-03-11 | 中国北方发动机研究所(天津) | Test system and test method for simulating plateau environment expansion valve cooling liquid steam escape |
-
2020
- 2020-06-28 CN CN202021220758.3U patent/CN212159087U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579270A (en) * | 2020-06-28 | 2020-08-25 | 江苏中关村科技产业园节能环保研究有限公司 | Hybrid vehicle heat pump air conditioner test system and test method |
| CN111579270B (en) * | 2020-06-28 | 2024-04-19 | 江苏中关村科技产业园节能环保研究有限公司 | Hybrid electric vehicle heat pump air conditioner testing system and testing method |
| CN114166514A (en) * | 2021-11-26 | 2022-03-11 | 中国北方发动机研究所(天津) | Test system and test method for simulating plateau environment expansion valve cooling liquid steam escape |
| CN114166514B (en) * | 2021-11-26 | 2023-07-25 | 中国北方发动机研究所(天津) | Test system and test method for simulating plateau environment expansion valve cooling liquid steam escape |
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