CN217813879U - Vehicle electronic water pump comprehensive performance test device - Google Patents
Vehicle electronic water pump comprehensive performance test device Download PDFInfo
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- CN217813879U CN217813879U CN202221833180.8U CN202221833180U CN217813879U CN 217813879 U CN217813879 U CN 217813879U CN 202221833180 U CN202221833180 U CN 202221833180U CN 217813879 U CN217813879 U CN 217813879U
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Abstract
The utility model provides an automobile-used electronic pump comprehensive properties test device, include: a water pump circulation system including a water pumpThe electronic water pump is connected with an inlet of the liquid tank and the exhaust valve; a temperature regulating system including a refrigerating circuit and a heating device arranged in the liquid tank, the refrigerating circuit including sequentially connected CO 2 Compressor, CO 2 Gas cooler, electronic expansion valve, plate heat exchanger, gas-liquid separator, connecting pipeline, refrigerant, gas-liquid separator and CO 2 The compressor is connected, the plate heat exchanger is arranged between the exhaust valve and the liquid tank to cool the liquid discharged from the liquid tank, and the refrigerant in the refrigeration loop is CO 2 . The comprehensive performance test device for the vehicle electronic water pump can be used for testing the performance of the electronic water pumps with different powers, has higher universality, and can be used for accurately and effectively testing the performance of the electronic water pumps at different medium temperatures.
Description
Technical Field
The utility model relates to an automobile-used electronic pump comprehensive properties test device.
Background
The electronic water pump is one of main components of an automobile and is mainly applied to an automobile heat management system. The electronic water pump is used for pressurizing the cooling liquid to ensure that the cooling liquid circularly flows in the cooling system and accelerate heat dissipation. As a device which runs for a long time, an engine cooling water pump is an important part of a cooling system of the engine cooling water pump, and the performance of the water pump affects the performance of the engine and even the service life of the engine to a certain extent. Meanwhile, in the heat management system of the new energy automobile, the water pump plays a vital role in stabilizing the temperature of the three-power system and ensuring the working efficiency of the system.
Temperature variation can influence the viscosity of coolant liquid to further influence the performance of water pump, traditional water pump cooling liquid temperature variation is experimental, places the test bench in the environment cabin and tests, but the temperature regulation speed of environment cabin is slow, and the temperature regulation range is little, and especially when doing low temperature test, the cooling rate is slower, and the cooling range is limited, when testing as a large amount of test pieces, seriously influences efficiency of software testing.
Therefore, it is necessary to research and develop a test device and a method suitable for simulating actual operation conditions and more accurately researching and testing the influence of the temperature change of the high-temperature and low-temperature cooling liquid on the hydraulic performance of the electronic water pump.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile-used electronic pump comprehensive properties test device to it is slow to solve current environment cabin temperature regulation speed, problem that the range of adjusting the temperature is little.
In order to achieve the above object, the utility model provides an automobile-used electronic water pump comprehensive properties test device for test electronic water pump, automobile-used electronic water pump comprehensive properties test device includes:
the water pump circulating system comprises a liquid tank for storing liquid and an exhaust valve connected with an outlet of the liquid tank, and the electronic water pump is connected with an inlet of the liquid tank and the exhaust valve;
a temperature regulation system including a refrigeration loop and a heating device, the heating device being disposed in the liquid tank, the refrigeration loop including sequentially connected CO 2 Compressor, CO 2 Gas cooler, electronic expansion valve, plate heat exchanger, gas-liquid separator, connecting pipeline and refrigerant, the gas-liquid separator and the CO 2 The compressor is connected, the plate heat exchanger is arranged between the exhaust valve and the liquid tank to cool liquid discharged by the liquid tank, and refrigerant in the refrigeration loop is CO 2 。
As a further improvement of the present invention, the refrigeration circuit further comprises a connection between the outlet end of the gas-liquid separator and the CO 2 A regenerator at the outlet end of the gas cooler.
As a further improvement of the present invention, the refrigeration circuit further comprises a device for injecting CO 2 A charge valve for gas disposed between the plate heat exchanger and the gas-liquid separator.
As a further improvement of the utility model, the both ends of electronic water pump are connected with flexible rubber hose.
As the utility model discloses a further improvement, water pump circulating system is still including setting up the first pressure sensor, a temperature sensor and the differential pressure gauge at electronic pump both ends.
As the utility model discloses a further improvement, water pump circulating system is still including setting up the electronic water pump with first ball valve and volumetric flowmeter between the discharge valve.
As a further improvement, the water pump circulating system further comprises a solenoid valve arranged between the liquid tank and the electronic water pump.
As a further improvement, the liquid tank is provided with a liquid level meter and a second pressure sensor, and the outlet end of the liquid tank is provided with a second temperature sensor between the plate heat exchangers.
As a further improvement of the utility model, the water pump circulation system still include with the vacuum pump that the liquid case is connected, with vacuum pump connection's recovery tank, with recovery tank connects and sets up the accumulator of electronic water pump below, the accumulator with be equipped with the second ball valve between the recovery tank.
As the utility model discloses a further improvement, automobile-used electronic pump comprehensive properties test device still includes control system, control system is including data acquisition integrated circuit board, computer, visual interface and the converter that is used for data acquisition.
The beneficial effects of the utility model are that: the utility model discloses an automobile-used electronic pump comprehensive properties test device adopts CO through the setting 2 As a temperature regulating system of a refrigeration loop and a heating device, the hydraulic performance of the electronic water pump of the cooling liquid in extremely cold and high temperature environments can be simulated, and CO is adopted 2 The cooling liquid serving as a refrigerant in the circulation of the water pump is used for refrigerating and cooling, so that the refrigerating efficiency is high, the speed is high, the experimental efficiency can be greatly improved, and the quality of the electronic water pump can be effectively monitored; through setting up discharge valve, can effectively get rid of the air of sneaking into in the system to improve test stability. The vehicle electronic water pump comprehensive performance test device can be used for carrying out performance test on electronic water pumps with different powers, has higher universality and can be used for accurately and effectively testing the performances of the electronic water pumps at different medium temperatures.
Drawings
FIG. 1 is a schematic structural diagram of the device for testing the comprehensive performance of the electronic water pump for vehicles of the present invention;
fig. 2 is the utility model discloses a connection structure schematic diagram of vehicle electronic water pump comprehensive properties test device's control system.
Detailed Description
The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element 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. Furthermore, the terms "first," "second," and "third" 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, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to fig. 2, the utility model discloses an automobile-used electronic water pump comprehensive properties test device 100 for test electronic water pump 200, automobile-used electronic water pump comprehensive properties test device 100 includes water pump circulation system 1, temperature regulation system 2, control system 3.
The water pump circulation system 1 comprises a liquid tank 11 for storing liquid, an exhaust valve 12 connected with an outlet of the liquid tank 11, a second temperature sensor 13 arranged at an outlet end of the liquid tank 11, a first ball valve 14 and a volume flow meter 15 arranged between the electronic water pump 200 and the exhaust valve 12, an electromagnetic valve 16 arranged between the liquid tank 11 and the electronic water pump 200, a first pressure sensor 17, a first temperature sensor 18 and a differential pressure gauge 19 arranged at two ends of the electronic water pump 200, a vacuum pump 10 connected with the liquid tank 11, a recovery water tank 101 connected with the vacuum pump 10, a recovery tank 102 connected with the recovery water tank 101 and arranged below the electronic water pump 200, and a second ball valve 103 arranged between the recovery tank 102 and the recovery water tank 101.
The electronic water pump 200 is connected to the inlet of the liquid tank 11 and the exhaust valve 12.
A liquid level meter 111 and a second pressure sensor 112 are arranged in the liquid tank 11. The level gauge 111 is used to observe the level of the cooling liquid in the liquid tank 11.
The second pressure sensor 112 is used to monitor the pressure change in the tank 11 and generate a corresponding pressure signal.
The second temperature sensor 13 is used for detecting the temperature of the cooling liquid discharged from the liquid tank 11 and transmitting a corresponding electric signal.
The liquid tank 11 is provided with five branches, wherein a first branch and a second branch are arranged above the liquid tank 11, the first branch is connected with a funnel 113 and used for adding cooling liquid to the liquid tank 11, a third ball valve 114 is arranged between the funnel 113 and the liquid tank 11, and the third branch is in a normally-closed state during testing.
The second branch is connected with a vacuum pump 10 and a recovery water tank 101, the maximum pressurization of the liquid tank 11 is 300Kpa, the maximum vacuum degree of the liquid tank 11 is-80 Kpa, the start and stop of the vacuum pump 10 are controlled by a control system 3 according to a pressure value fed back by a second pressure sensor 112 in the liquid tank 11 and a set pressure value, the other end of the vacuum pump 10 is connected with the recovery water tank 101, the vacuum pump 10 can be started to pressurize the liquid tank 11 or pump air from the liquid tank 11 to reduce the pressure, and the recovery water tank 101 can receive a small amount of cooling liquid pumped by the vacuum pump 10.
A third branch, a fourth branch and a fifth branch are arranged below the liquid tank 11, the first branch is a cooling liquid outlet in the liquid tank 11, the second branch is connected with a loop where the electronic water pump 200 is located, a fourth ball valve 115 is arranged at the outlet of the third branch and connected to the recovery water tank 101 to recover the cooling liquid in the liquid tank 11, and the third branch is in a normally closed state during testing.
Two ends of the electronic water pump 200 are connected with rubber hoses 201. The rubber hose 201 is convenient to connect with the electronic water pump 200, sample installation is carried out in a direct plugging mode, and fixing is carried out by utilizing a buckle, and the length of the rubber hose 201 is about 15-20CM.
The first pressure sensor 17, the first temperature sensor 18 and the differential pressure gauge 19 are used for monitoring the pressure and temperature states at the inlet and the outlet of the electronic water pump 200 and generating corresponding signals.
The exhaust valve 12 is arranged at the highest point of the whole system and used for exhausting air in the pipeline circulation of the electronic water pump 200, so that the accuracy of the test result is improved.
The volume flow meter 15 is used for monitoring the flow in the water pump circulation system 1 in real time and generating a corresponding flow signal, and the first ball valve 14 is used for controlling the on-off of cooling liquid in the system 3 and is in a normally open state or a normally closed state.
The solenoid valve 16 is used to control the flow of cooling fluid in the system 3.
The recycling tank 102 is used for receiving the cooling liquid, so that the cooling liquid is saved. And can discharge the coolant into the recovery water tank 101.
In this embodiment, pass through the pipe connection between the structure, and the outer cladding of pipeline has the heat preservation to improve the heat preservation effect.
The temperature regulation system 2 comprises a refrigeration circuit and a heating device 21.
The heating device 21 is arranged in the liquid tank 11, and the heating device 21 controls the heating device 21 to heat the cooling liquid in the liquid tank 11 through the control system 3 according to the temperature signal fed back by the second temperature sensor 13 at the opening of the liquid tank 11 and the set temperature of the system cooling liquid, wherein the cooling liquid can be heated to 150 ℃ at most.
The refrigeration circuit comprises sequentially connected CO 2 Compressor 22, CO 2 The gas cooler 23, the electronic expansion valve 24, the plate heat exchanger 25, the gas-liquid separator 26, the connecting pipeline 27 and the refrigerant, and further comprises a device for injecting CO 2 A gas filling valve 28 connecting the outlet end of the gas-liquid separator 26 with the CO 2 A regenerator 29 at the outlet end of the gas cooler 23.
The gas-liquid separator 26 and the CO 2 The compressor 22 is connected, the plate heat exchanger 25 is arranged between the exhaust valve 12 and the liquid tank 11 to cool the liquid discharged from the liquid tank 11, and the refrigerant in the refrigeration loop is CO 2 。
The plate heat exchanger 25 is installed at an outlet of the liquid tank 11 and used for exchanging heat and cooling the cooling liquid in the water pump circulating system 1, two of the four interfaces of the plate heat exchanger 25 are connected into the water pump circulating system 1, the other two interfaces are connected into the refrigeration loop, and in the plate heat exchanger 25, the refrigerant of the refrigeration loop exchanges heat with the cooling liquid of the water pump circulating system 1. The second temperature sensor 13 is arranged between the outlet end of the liquid tank 11 and the plate heat exchanger 25.
Said CO 2 The compressor 22 is used for providing circulating power for the whole refrigerating circuit and compressing CO 2 And a gas for discharging the high-temperature and high-pressure refrigerant.
The CO is 2 The gas cooler 23 is used for externally connecting a water chilling unit 30 and is used for cooling the inflowing high-temperature high-pressure CO 2 The heat exchange is carried out fully to lead the CO with high temperature and high pressure 2 Conversion of gas to low temperature high pressure CO 2 A gas.
The electronic expansion valve 24 is used for discharging high-temperature and high-pressure CO 2 Refrigerant gas throttling to low temperature low pressure CO 2 。
The gas-liquid separator 26 is used to store the incoming CO 2 Liquid before compressor 22, preventing CO 2 The compressor 22 produces a liquid hammer.
The connecting line 27 is intended to connect the components of a refrigeration circuit, the refrigerant preferably being CO 2 Due to CO 2 The refrigerating efficiency is five to six times of that of the common refrigerant, the refrigerating efficiency is high, the refrigerating capacity is strong, and the temperature can be reduced to-40℃。
The charge valve 28 is arranged between the plate heat exchanger 25 and the gas-liquid separator 26. The charging valve 28 is used to charge the refrigeration system with CO 2 A gas.
The regenerator 29 cools CO at the outlet of the gas cooler by the low-temperature gas from the gas-liquid separator 26 2 So as to reduce the dryness of the throttled refrigerant and improve the refrigeration efficiency of the system.
The control system 3 comprises a data acquisition board card 31 for data acquisition, a computer 32, a visual interface 33, a frequency converter 34 and a power supply.
The data acquisition board card 31 is used for acquiring signals of flow, pressure, temperature, voltage and current.
The computer 32 is used for receiving signals, judging and controlling.
The visual interface 33 is a visual human-computer interaction interface compiled by Labview and the like, wherein the human-computer interaction interface is displayed on a display, the data acquisition board card 31 is connected with flow, pressure, temperature, voltage and current sensors in the system and is used for acquiring pressure, temperature, current and voltage signals of each monitoring position, the data acquisition board card 32 processes data, acquired data information is displayed on the human-computer interaction interface of the computer 32 in real time, and the start and stop of each component are adjusted by comparing the acquired numerical value with a preset numerical value.
The power supply is used for supplying power to the comprehensive performance testing device 100 of the automotive electronic water pump.
The control of the computer 32 comprises the steps of:
1. comparing the pressure value fed back from the liquid tank 11 with the pressure value set by the visual interface 33, controlling the start and stop of the vacuum pump 10 through the frequency converter 34, and further adjusting the pressure in the liquid tank 11 to reach the set value;
2. the temperature value in the liquid tank 11 fed back by the second temperature sensor 13 controls the start and stop of the heating device 21 in the liquid tank 11 and the start and stop of the refrigerating circuit through the frequency converter 34, and controls CO in the refrigerating circuit 2 The speed of the compressor 22 and the opening of the electronic expansion valve 24 control the cooling capacity.
When the electronic water pump 200 is tested, the liquid tank 11 is fully closed, the power supply is electrified to supply power to all elements, when a high-temperature medium test is carried out, the refrigeration loop is closed, the heating device 21 in the liquid tank 11 is started, the medium temperature and the pressure in the liquid tank 11 are set on the man-machine interaction panel, and the start and stop of the heating device 21 and the vacuum pump 10 are controlled through signals fed back by the second temperature sensor 13 and the second pressure sensor 112 in the liquid tank 11 through the frequency converter 34. During the test, the first ball valve 14 at the inlet end of the electronic water pump 200 is fully opened, and the flow rate of the water pump is controlled by controlling the opening degree of the electromagnetic valve 16 at the outlet end.
When a medium low-temperature test is carried out, the heating device 21 in the liquid tank 11 is closed, the refrigeration loop is opened, and the feedback signal of the first temperature sensor 18 at the inlet of the electronic water pump 200 is used for controlling CO 2 The rotational speed of the compressor 22 and the opening degree of the electronic expansion valve 24 are controlled to control the cooling capacity, thereby reducing the temperature of the coolant in the electronic water pump 200.
After the test of the electronic water pump 200 is completed, the first ball valve 14 and the electromagnetic valve 16 at the inlet and the outlet of the water pump can be closed, and the electronic water pump 200 can be taken down.
The utility model discloses an automobile-used electronic pump comprehensive properties test device 100 adopts CO through the setting 2 As a temperature regulation system 2 of the refrigeration circuit and the heating device 21, so that the hydraulic performance of the electronic water pump 200 of the cooling liquid in extremely cold and high temperature environments can be simulated, and CO is adopted 2 The cooling liquid used as the refrigerant in the water-feeding pump circulation is used for cooling, so that the cooling efficiency is high, the speed is high, the experimental efficiency can be greatly improved, and the quality of the electronic water pump 200 can be effectively monitored; by arranging the exhaust valve 12, air mixed in the system can be effectively exhausted, so that the test stability is improved. The vehicle electronic water pump comprehensive performance testing device 100 can be used for testing the performance of the electronic water pumps 200 with different powers, has high universality, and can be used for accurately and effectively testing the performance of the electronic water pumps 200 at different medium temperatures.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an automobile-used electronic pump comprehensive properties test device for test electronic pump, its characterized in that: the comprehensive performance test device of the vehicle electronic water pump comprises:
the electronic water pump is connected with an inlet of the liquid tank and the exhaust valve;
a temperature regulation system including a refrigeration loop and a heating device, the heating device being disposed in the liquid tank, the refrigeration loop including sequentially connected CO 2 Compressor, CO 2 Gas cooler, electronic expansion valve, plate heat exchanger, gas-liquid separator, connecting pipeline and refrigerant, the gas-liquid separator and the CO 2 The compressor is connected, the plate heat exchanger is arranged between the exhaust valve and the liquid tank to cool liquid discharged by the liquid tank, and refrigerant in the refrigeration loop is CO 2 。
2. The vehicle electronic water pump comprehensive performance test device according to claim 1, characterized in that: the refrigeration loop also comprises an outlet end connected with the gas-liquid separator and the CO 2 A regenerator at the outlet end of the gas cooler.
3. According to claimClaim 1 the vehicle electronic water pump comprehensive performance test device is characterized in that: the refrigeration circuit further comprises a device for injecting CO 2 A charge valve for gas disposed between the plate heat exchanger and the gas-liquid separator.
4. The vehicle electronic water pump comprehensive performance test device according to claim 1, characterized in that: and two ends of the electronic water pump are connected with rubber hoses.
5. The vehicle electronic water pump comprehensive performance test device according to claim 1, characterized in that: the water pump circulating system further comprises a first pressure sensor, a first temperature sensor and a differential pressure gauge which are arranged at two ends of the electronic water pump.
6. The vehicle electronic water pump comprehensive performance test device according to claim 1, characterized in that: the water pump circulating system further comprises a first ball valve and a volume flow meter which are arranged between the electronic water pump and the exhaust valve.
7. The vehicle electronic water pump comprehensive performance test device according to claim 1, characterized in that: the water pump circulating system further comprises an electromagnetic valve arranged between the liquid tank and the electronic water pump.
8. The vehicle electronic water pump comprehensive performance test device according to claim 1, characterized in that: and a liquid level meter and a second pressure sensor are arranged in the liquid tank, and a second temperature sensor is arranged between the outlet end of the liquid tank and the plate heat exchanger.
9. The vehicle electronic water pump comprehensive performance test device according to claim 1, characterized in that: the water pump circulating system further comprises a vacuum pump connected with the liquid tank, a recovery water tank connected with the vacuum pump, and a recovery tank connected with the recovery water tank and arranged below the electronic water pump, and a second ball valve is arranged between the recovery tank and the recovery water tank.
10. The vehicle electronic water pump comprehensive performance test device according to claim 1, characterized in that: the comprehensive performance test device for the vehicle electronic water pump further comprises a control system, wherein the control system comprises a data acquisition board card for data acquisition, a computer, a visual interface and a frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221833180.8U CN217813879U (en) | 2022-07-14 | 2022-07-14 | Vehicle electronic water pump comprehensive performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221833180.8U CN217813879U (en) | 2022-07-14 | 2022-07-14 | Vehicle electronic water pump comprehensive performance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217813879U true CN217813879U (en) | 2022-11-15 |
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ID=83967632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221833180.8U Active CN217813879U (en) | 2022-07-14 | 2022-07-14 | Vehicle electronic water pump comprehensive performance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217813879U (en) |
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2022
- 2022-07-14 CN CN202221833180.8U patent/CN217813879U/en active Active
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