CN216767696U - Air compressor machine accuse temperature cooling system for fuel cell engine - Google Patents
Air compressor machine accuse temperature cooling system for fuel cell engine Download PDFInfo
- Publication number
- CN216767696U CN216767696U CN202123036987.7U CN202123036987U CN216767696U CN 216767696 U CN216767696 U CN 216767696U CN 202123036987 U CN202123036987 U CN 202123036987U CN 216767696 U CN216767696 U CN 216767696U
- Authority
- CN
- China
- Prior art keywords
- air compressor
- cooling
- cooling medium
- temperature
- temperature sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses an air compressor temperature control cooling system for a fuel cell engine, which comprises a cooling medium system connected with an air compressor motor, wherein the cooling medium system comprises a cooling medium device and a control system; the cooling medium device comprises a cooling medium box and a heating medium box which are respectively connected with a refrigerating system and a heating system, the output ends of the cooling medium box and the heating medium box are connected with an electronic thermostat, the output end of the electronic thermostat is connected with a first cooling pump, the output end of the first cooling pump is connected with a cooling medium inlet of the air compressor motor, a first temperature sensor is arranged on a pipeline between the first cooling pump and the air compressor motor, and a cooling medium outlet of the air compressor motor is respectively connected with the input ends of the cooling medium box and the heating medium box. The temperature control cooling system can provide required temperature according to corresponding requirements, convert the temperature of a cooling medium into the required temperature in real time, and has high control precision.
Description
Technical Field
The utility model belongs to the technical field of air compressor cooling systems, and particularly relates to an air compressor temperature control cooling system for a fuel cell engine.
Background
The air compressor for the fuel cell engine can generate heat in the running state, the generated heat needs to be taken away through a medium, the medium temperature needs to simulate the actual running environment temperature of the air compressor system for the fuel cell engine, and the cooling medium with the controllable temperature in the temperature range needs to be provided as the actual running environment temperature of the air compressor system for the fuel cell engine is changed from-30 ℃ to 65 ℃.
Based on the air compressor cooling system test for the fuel cell engine, the cooling system in the prior art basically stays at the stage of the cooling system without temperature control, only the cooling air compressor test at normal temperature and above normal temperature can be carried out, the cooling system test with controllable temperature cannot be carried out, but the market demands on the cooling system with controllable temperature are urgent.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air compressor temperature-control cooling system for a fuel cell engine, which can provide required temperature according to corresponding requirements, convert the temperature of a cooling medium into the required temperature in real time and has high control precision.
The technical scheme adopted by the utility model for solving the technical problem is as follows:
an air compressor temperature control cooling system for a fuel cell engine comprises a cooling medium system connected with an air compressor motor, wherein the cooling medium system comprises a cooling medium device and a control system; the cooling medium device comprises a cooling medium box and a heating medium box which are respectively connected with a refrigerating system and a heating system, an electronic thermostat is connected with the output ends of the cooling medium box and the heating medium box, a first cooling pump is connected with the output end of the electronic thermostat, the output end of the first cooling pump is connected with a cooling medium inlet of the air compressor motor, the first cooling pump is provided with a first temperature sensor on a pipeline between the air compressor motor, and a cooling medium outlet of the air compressor motor is respectively connected with the input ends of the cooling medium box and the heating medium box.
Further, control system includes the air compressor machine controller, first temperature sensor with control system's signal input part is connected, control system's signal output part with the signal input part of electronic thermostat and first cooling pump is connected.
Further, the output end of the first cooling pump is connected with a cooling medium inlet of the air compressor controller, a cooling medium outlet of the air compressor controller is connected with a cooling medium inlet of the air compressor motor, and the first temperature sensor is arranged on a pipeline between the output end of the first cooling pump and the cooling medium inlet of the air compressor controller.
Furthermore, a throttle valve and a first flow meter are sequentially arranged on a pipeline between the output end of the first cooling pump and a cooling medium inlet of the air compressor controller, and the first temperature sensor is located at the downstream of the throttle valve.
Furthermore, the throttle valve is an electronic throttle valve, the signal output end of the first flowmeter is connected with the signal input end of the control system, and the signal output end of the control system is connected with the signal input end of the electronic throttle valve.
Further, the first flow meter is a liquid flow meter.
Furthermore, a second temperature sensor is arranged in the cold medium box, a third temperature sensor is arranged in the hot medium box, the signal output ends of the second temperature sensor and the third temperature sensor are connected with the signal input end of the control system, and the signal output end of the control system is connected with the signal input ends of the refrigerating system and the heating system.
Further, be equipped with airstrainer, second flowmeter, fourth temperature sensor and first pressure sensor on the intake pipe way of air compressor machine in proper order, airstrainer is in the upstream position department of air compressor machine air inlet pipeline, be equipped with fifth temperature sensor and second pressure sensor on the exhaust pipe of air compressor machine, even there is radiator unit on the exhaust pipe way of fifth temperature sensor and second pressure sensor's low reaches department, be equipped with the throttle valve on the exhaust pipe way of radiator unit low reaches department.
Further, the heat dissipation assembly comprises a first radiator, the first radiator is arranged on the exhaust pipeline, the output end of the first radiator is connected with a second cooling pump, the output end of the second cooling pump is connected with the input end of the second radiator, the output end of the second radiator is connected with the input end of the first radiator, the signal output ends of the second flowmeter, the fourth temperature sensor, the first pressure sensor, the fifth temperature sensor and the second pressure sensor are connected with the signal input end of the control system, and the signal output end of the control system is connected with the second cooling pump and the throttle valve.
Further, the air compressor controller is electrically connected with a programmable power supply.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model relates to an air compressor temperature control cooling system for a fuel cell engine, which comprises a cooling medium system connected with an air compressor motor, wherein the cooling medium system comprises a cooling medium device and a control system; the cooling medium device comprises a cooling medium box and a heating medium box which are respectively connected with a refrigerating system and a heating system, the output ends of the cooling medium box and the heating medium box are connected with an electronic thermostat, the output end of the electronic thermostat is connected with a first cooling pump, the output end of the first cooling pump is connected with a cooling medium inlet of an air compressor motor, a first temperature sensor is arranged on a pipeline between the first cooling pump and the air compressor motor, a cooling medium outlet of the air compressor motor is respectively connected with the input ends of the cooling medium box and the heating medium box, the control system comprises an air compressor controller, the first temperature sensor is connected with a signal input end of the control system, a signal output end of the control system is connected with the signal input ends of the electronic thermostat and the first cooling pump, in test operation, the cooling medium and the heating medium are driven by the first cooling pump and are mixed proportionally to serve as the cooling medium to enter the air compressor motor, when the first temperature sensor monitors that the temperature of the cooling medium entering the motor of the air compressor is higher than the required temperature, the control system controls the electronic thermostat to increase the flow of the cooling medium and reduce the flow of the heat medium, and when the first temperature sensor monitors that the temperature of the cooling medium entering the motor of the air compressor is lower than the required temperature, the control system controls the electronic thermostat to reduce the flow of the cooling medium and increase the flow of the heat medium, so that the control precision of the whole temperature-controlled cooling system is high, the error is less than or equal to +/-2 ℃;
the temperature control cooling system can provide required temperature according to corresponding requirements, and convert the temperature of a cooling medium into the required temperature in real time;
the temperature control cooling system can completely simulate the running state of the air compressor for the fuel cell engine under the conditions of extremely cold and extremely hot environments, simulate the running working condition of the fuel cell engine just started under the low-temperature environment when the air compressor is at a low rotating speed, and radiate heat by using a low-temperature refrigerant, otherwise simulate the running under the rated working condition of the fuel cell generator when the air compressor is at a high rotating speed, switch the heat refrigerant to radiate heat, further perform tests alternately, evaluate whether the air compressor for the fuel cell engine can meet the use conditions, and provide effective data for further development of the air compressor for the fuel cell engine;
in the utility model, the output end of a first cooling pump is connected with a cooling medium inlet of an air compressor controller, a cooling medium outlet of the air compressor controller is connected with a cooling medium inlet of an air compressor motor, and a first temperature sensor is arranged on a pipeline between the output end of the first cooling pump and the cooling medium inlet of the air compressor controller, so that the cooling medium can cool the air compressor controller; according to the utility model, a throttle valve and a first flow meter are sequentially arranged on a pipeline between the output end of a first cooling pump and a cooling medium inlet of an air compressor controller, a first temperature sensor is positioned at the downstream of the throttle valve, the throttle valve is an electronic throttle valve, the signal output end of the first flow meter is connected with the signal input end of a control system, the signal output end of the control system is connected with the signal input end of the electronic throttle valve, the signal output end of the control system is connected with the signal input end of the first cooling pump, the first flow meter feeds the monitored flow of the cooling medium back to the control system, the control system controls the electronic throttle valve to adjust the required flow of the cooling medium, and the control system controls the rotating speed of the first cooling pump to adjust the pressure and the required flow of the cooling medium, so that the temperature control purpose is achieved;
in the utility model, a second temperature sensor is arranged in a cold medium box, a third temperature sensor is arranged in a hot medium box, the signal output ends of the second temperature sensor and the third temperature sensor are both connected with the signal input end of a control system, the signal output end of the control system is connected with the signal input ends of a refrigerating system and a heating system, the temperature of a cooling medium from a motor of an air compressor is increased, the cooling medium with the increased temperature respectively returns to the cold medium box and the hot medium box, the second temperature sensor monitors the temperature in the cold medium box in real time, the third temperature sensor monitors the temperature in the hot medium box in real time, the second temperature sensor and the third temperature sensor feed back the monitored temperature signals to the control system, the control system respectively controls the refrigerating system and the heating system, so that the temperature of the cold medium in the cold medium box and the temperature of the hot medium in the hot medium box reach the set temperature;
the utility model separates the air compressor cooling system for the fuel cell from the tail row cooling system, respectively dissipates heat for the air compressor controller, the air compressor motor and the tail row, and divides the air compressor motor cooling system into two paths of refrigeration and heating.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures illustrate: 1. the air compressor comprises an air compressor motor, 2, a refrigeration system, 3, a cold medium box, 4, a hot medium box, 5, an electronic thermostat, 6, a first cooling pump, 7, an air compressor controller, 8, a first temperature sensor, 9, a programmable power supply, 10, a throttle valve, 11, a first flow meter, 12, a second temperature sensor, 13, a third temperature sensor, 14, an air filter screen, 15, a second flow meter, 16, a fourth temperature sensor, 17, a first pressure sensor, 18, a fifth temperature sensor, 19, a second pressure sensor, 20, a throttle valve, 21, a first radiator, 22, a second cooling pump, 23, a second radiator, 24, an air compressor, 25 and a control system.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, an air compressor temperature-controlled cooling system for a fuel cell engine includes a cooling medium system connected to an air compressor motor 1, where the cooling medium system includes a cooling medium device and a control system; the cooling medium device comprises a cooling medium box 3 and a heat medium box 4, the cooling medium box 3 is connected with a refrigerating system 2, the heat medium box 4 is connected with a heating system, the output ends of the cooling medium box 3 and the heat medium box 4 are connected with an electronic thermostat 5, the output end of the electronic thermostat 5 is connected with a first cooling pump 6, a control system 25 comprises an air compressor controller 7, the output end of the first cooling pump 6 is connected with a cooling medium inlet of the air compressor controller 7, a first temperature sensor 8 is arranged on a pipeline between the output end of the first cooling pump 6 and the cooling medium inlet of the air compressor controller 7, a cooling medium outlet of the air compressor controller 7 is connected with a cooling medium inlet of the air compressor motor 1, and a cooling medium outlet of the air compressor motor 1 is respectively connected with the input ends of the cooling medium box 3 and the heat medium box 4; the first temperature sensor 8 is connected with a signal input end of a control system 25, a signal output end of the control system 25 is connected with signal input ends of an electronic thermostat 5 and a first cooling pump 6, an air compressor controller 7 is electrically connected with a programmable power supply 9, and an air compressor 24 is a centrifugal air compressor.
A throttle valve 10 and a first flow meter 11 are further sequentially arranged on a pipeline between the output end of the first cooling pump 6 and a cooling medium inlet of the air compressor controller 7, the first temperature sensor 8 is located at the downstream of the throttle valve 10, the throttle valve 10 is an electronic throttle valve, the first flow meter 11 is a liquid flow meter, a signal output end of the first flow meter 11 is connected with a signal input end of a control system 25, and a signal output end of the control system 25 is connected with a signal input end of the electronic throttle valve.
Wherein, be equipped with second temperature sensor 12 in the cold medium case 3, be equipped with third temperature sensor 13 in the hot-medium box 4, the signal output part of second temperature sensor 12 and third temperature sensor 13 all is connected with control system 25's signal input part, control system 25's signal output part with refrigerating system 2 and the signal input part of heating system be connected.
An air filter screen 14, a second flowmeter 15, a fourth temperature sensor 16 and a first pressure sensor 17 are sequentially arranged on an air inlet pipeline of an air compressor 24, the air filter screen 14 is located at the upstream position of the air inlet pipeline of the air compressor 24, a fifth temperature sensor 18 and a second pressure sensor 19 are arranged on an exhaust pipeline of the air compressor 24, a heat dissipation assembly is connected to an exhaust pipeline at the downstream of the fifth temperature sensor 18 and the second pressure sensor 19, and a throttle valve 20 is arranged on the exhaust pipeline at the downstream of the heat dissipation assembly; the heat dissipation assembly comprises a first radiator 21, the first radiator 21 is arranged on an exhaust pipeline, the output end of the first radiator 21 is connected with a second cooling pump 22, the output end of the second cooling pump 22 is connected with the input end of a second radiator 23, the output end of the second radiator 23 is connected with the input end of the first radiator 21, signal output ends of a second flow meter 15, a fourth temperature sensor 16, a first pressure sensor 17, a fifth temperature sensor 18 and a second pressure sensor 19 are all connected with the signal input end of a control system 25, the signal output end of the control system 25 is connected with the second cooling pump 22 and a throttle valve 20, an air filter screen 14 filters air entering the air compressor 24, the second flow meter 15 monitors air flow entering the air compressor 24, the fourth temperature sensor 16 monitors air temperature entering the air compressor 24, and the first pressure sensor 17 monitors air pressure entering the air compressor 24, fifth temperature sensor 18 monitors the temperature of compressed air in the exhaust pipe of air compressor 24, second pressure sensor 19 monitors the pressure of compressed air in the exhaust pipe of air compressor 24, the cooling material in first radiator 21 passes through second cooling pump 22 and drives and get into in second radiator 23, the cooling material in second radiator 23 returns to first radiator 21 again in, the heat of compressed air in the exhaust pipe of air compressor 24 is through the cooperation of first radiator 21 and second radiator 23 with the heat dissipation, wherein the cooling material is the cooling water.
The working process of the utility model is as follows: in test operation, a cold medium and a hot medium are driven by a first cooling pump 6 and are proportionally mixed to serve as a cooling medium, heat of an air compressor controller 7 and heat generated by working of the air compressor motor 1 are taken away through the air compressor controller 7 and the air compressor motor 1, the actual temperature of the monitored cooling medium is fed back to a control system 25 by a first temperature sensor 8, the opening degree of an electronic thermostat 5 is controlled by the control system 25 according to the temperature required to be reached by the cooling medium required by the air compressor motor 1, the mass proportion of the cold medium and the hot medium is mixed to achieve balance of required temperature, when the temperature of the cooling medium entering the air compressor motor 1 is monitored by the first temperature sensor 8 to be higher than the required temperature, the control system 25 controls the electronic thermostat 5 to increase the flow of the cold medium and reduce the flow of the hot medium, and when the temperature of the cooling medium entering the air compressor motor 1 is monitored by the first temperature sensor 8 to be higher than the required temperature When the temperature is low, the control system 25 controls the electronic thermostat 5 to reduce the flow of the cooling medium and increase the flow of the heating medium, the first flow meter 11 feeds the monitored flow of the cooling medium back to the control system 25, the control system 25 controls the electronic throttle valve to adjust the required flow of the cooling medium, the control system 25 controls the rotation speed of the first cooling pump 6 to adjust the required flow of the cooling medium, and the temperature of the cooling medium coming out of the air compressor motor 1 is increased, the cooling medium with the increased temperature is respectively returned to the cooling medium tank 3 and the heating medium tank 4, the second temperature sensor 12 monitors the temperature in the cooling medium tank 3 in real time, the third temperature sensor 13 monitors the temperature in the heating medium tank 4 in real time, the second temperature sensor 12 and the third temperature sensor 13 feed the monitored temperature signals back to the control system 25, and the control system 25 respectively controls the refrigerating system 2 and the heating system, so that the temperature of the cooling medium in the cooling medium tank 3 and the temperature of the heating medium in the heating medium tank 4 both reach the set temperatures.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an air compressor machine accuse temperature cooling system for fuel cell engine which characterized in that: the system comprises a cooling medium system connected with an air compressor motor (1), wherein the cooling medium system comprises a cooling medium device and a control system (25); the cooling medium device comprises a cooling medium box (3) and a heating medium box (4) which are respectively connected with a refrigerating system (2) and a heating system, an electronic thermostat (5) is connected with the output ends of the cooling medium box (3) and the heating medium box (4), an output end of the electronic thermostat (5) is connected with a first cooling pump (6), the output end of the first cooling pump (6) is connected with a cooling medium inlet of an air compressor motor (1), the first cooling pump (6) is provided with a first temperature sensor (8) on a pipeline between the air compressor motor (1), and a cooling medium outlet of the air compressor motor (1) is respectively connected with the input ends of the cooling medium box (3) and the heating medium box (4).
2. The air compressor temperature-control cooling system for the fuel cell engine according to claim 1, characterized in that: control system (25) include air compressor machine controller (7), first temperature sensor (8) with control system (25)'s signal input part is connected, control system's (25) signal output part with the signal input part of electronic thermostat (5) and first cooling pump (6) is connected.
3. The air compressor temperature-control cooling system for the fuel cell engine according to claim 2, characterized in that: the output end of the first cooling pump (6) is connected with a cooling medium inlet of the air compressor controller (7), a cooling medium outlet of the air compressor controller (7) is connected with a cooling medium inlet of the air compressor motor (1), and the first temperature sensor (8) is arranged on a pipeline between the output end of the first cooling pump (6) and the cooling medium inlet of the air compressor controller (7).
4. The air compressor temperature-control cooling system for the fuel cell engine according to claim 3, characterized in that: and a throttle valve (10) and a first flow meter (11) are further sequentially arranged on a pipeline between the output end of the first cooling pump (6) and a cooling medium inlet of the air compressor controller (7), and the first temperature sensor (8) is positioned at the downstream of the throttle valve (10).
5. The air compressor temperature-control cooling system for the fuel cell engine according to claim 4, characterized in that: the throttling valve (10) is an electronic throttling valve, the signal output end of the first flowmeter (11) is connected with the signal input end of the control system (25), and the signal output end of the control system (25) is connected with the signal input end of the electronic throttling valve.
6. The temperature-controlled cooling system of an air compressor for a fuel cell engine according to claim 4 or 5, characterized in that: the first flow meter (11) is a liquid flow meter.
7. The air compressor temperature-control cooling system for the fuel cell engine according to claim 2, characterized in that: be equipped with second temperature sensor (12) in cold medium case (3), be equipped with third temperature sensor (13) in hot-medium case (4), the signal output part of second temperature sensor (12) and third temperature sensor (13) all with the signal input part of control system (25) is connected, the signal output part of control system (25) with refrigerating system (2) and heating system's signal input part are connected.
8. The air compressor temperature-control cooling system for the fuel cell engine according to claim 2, characterized in that: be equipped with airstrainer (14), second flowmeter (15), fourth temperature sensor (16) and first pressure sensor (17) on the intake pipe of air compressor machine (24) in proper order, airstrainer (14) is in the upstream position department of air compressor machine (24) intake pipe, be equipped with fifth temperature sensor (18) and second pressure sensor (19) on the exhaust pipe of air compressor machine (24), it has radiator unit to link on the exhaust pipe of the low reaches department of fifth temperature sensor (18) and second pressure sensor (19), be equipped with throttle (20) on the exhaust pipe of radiator unit low reaches department.
9. The air compressor temperature-control cooling system for the fuel cell engine according to claim 8, characterized in that: the heat dissipation assembly comprises a first radiator (21), the first radiator (21) is arranged on the exhaust pipeline, the output end of the first radiator (21) is connected with a second cooling pump (22), the output end of the second cooling pump (22) is connected with the input end of a second radiator (23), the output end of the second radiator (23) is connected with the input end of the first radiator (21), the signal output ends of a second flowmeter (15), a fourth temperature sensor (16), a first pressure sensor (17), a fifth temperature sensor (18) and a second pressure sensor (19) are connected with the signal input end of a control system (25), and the signal output end of the control system (25) is connected with the second cooling pump (22) and a throttle valve (20).
10. The air compressor temperature-control cooling system for the fuel cell engine according to claim 2, characterized in that: and the air compressor controller (7) is electrically connected with a programmable power supply (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123036987.7U CN216767696U (en) | 2021-12-02 | 2021-12-02 | Air compressor machine accuse temperature cooling system for fuel cell engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123036987.7U CN216767696U (en) | 2021-12-02 | 2021-12-02 | Air compressor machine accuse temperature cooling system for fuel cell engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767696U true CN216767696U (en) | 2022-06-17 |
Family
ID=81965271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123036987.7U Active CN216767696U (en) | 2021-12-02 | 2021-12-02 | Air compressor machine accuse temperature cooling system for fuel cell engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767696U (en) |
-
2021
- 2021-12-02 CN CN202123036987.7U patent/CN216767696U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204398807U (en) | A kind of centralized multi-state heat management system of new energy vehicle | |
| CN111929087B (en) | Multifunctional performance test bench for power battery thermal management system | |
| CN109738223A (en) | Fuel cell heat management testboard bay and fuel cell heat management monitoring system | |
| CN101573579A (en) | Economizer heat exchanger | |
| CN111326767B (en) | Heating, intercooling and humidifying integrated device, fuel cell system and control method | |
| CN105606386B (en) | A kind of testing stand suitable for compact instantaneous heat exchanger is pre-chilled by force | |
| US8205447B2 (en) | Intercooler deicing | |
| CN105572602A (en) | Test platform for fuel cell cooling system | |
| CN111577441A (en) | Control method of engine cooling system | |
| CN114753996A (en) | Water pump test bench and test method | |
| CN216767696U (en) | Air compressor machine accuse temperature cooling system for fuel cell engine | |
| CN212409111U (en) | Gas-liquid mixing cooling device | |
| CN112326535A (en) | Low-temperature test system for hydraulic filter and detection method thereof | |
| CN108583270B (en) | Multi-axle special off-road vehicle temperature regulating system and multi-axle special off-road vehicle | |
| CN210153191U (en) | Fuel vehicle cooling system | |
| CN114151321A (en) | Hydrogen circulating pump test system for fuel cell engine and test method thereof | |
| CN211553298U (en) | Intercooler system for engine test | |
| CN219638913U (en) | Cooling and lubricating medium supply system for engine performance test | |
| CN112284748B (en) | Engine cooling system heat dissipation balance test mechanism | |
| CN221053892U (en) | New energy automobile air conditioning system water pump performance testing arrangement | |
| RU197201U1 (en) | OIL COOLER UNIT CAP OF A TURBOCHARGER UNIT | |
| CN219220568U (en) | Cooling system and vehicle | |
| CN221076840U (en) | Liquid cooling device with high-precision temperature and flow regulation | |
| CN220983453U (en) | Thermal management device based on battery pack test bench and battery pack test bench | |
| CN217716078U (en) | Liquid cooling heat exchange system with backup function, flow and pressure adjustable and accurate temperature control functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |