CN112816197A - Normal-temperature electronic water pump durability testing machine - Google Patents
Normal-temperature electronic water pump durability testing machine Download PDFInfo
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- CN112816197A CN112816197A CN202110035813.4A CN202110035813A CN112816197A CN 112816197 A CN112816197 A CN 112816197A CN 202110035813 A CN202110035813 A CN 202110035813A CN 112816197 A CN112816197 A CN 112816197A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The application discloses normal atmospheric temperature electronic pump durability test machine belongs to water pump quality testing technical field. The testing machine comprises a testing machine body, wherein the testing machine body is provided with a liquid storage tank, a testing platform, a liquid passing device, a control device and a power supply device. The liquid storage tank stores liquid for testing. The test bench is provided with a plurality of fixing supports correspondingly along the length direction of the liquid storage tank to respectively fix the electronic water pumps to be tested. The liquid storage tank and the plurality of electronic water pumps are respectively communicated through a liquid inlet pipe and a liquid outlet pipe which are arranged in pairs in the liquid passing device. A liquid heating device and a temperature measuring device are arranged in the liquid storage tank to provide different medium temperatures. The liquid outlet pipe is provided with an outlet pressure regulating valve and a pressure sensor to provide different circulating conveying pressures. Therefore, the durability of the electronic water pump is tested under the conditions of different medium temperatures and/or different delivery pressures. The test efficiency is high, the cost is low, and the test quality is reliable.
Description
Technical Field
The invention relates to the technical field of water pump quality detection, in particular to a durability testing machine for a normal-temperature electronic water pump.
Background
The water pump is an important part in an automobile engine cooling system and is used for pumping cooling liquid to enable the cooling liquid to flow rapidly in an engine cooling water channel, so that heat generated in the working process of an engine is taken away, and the engine is kept at a normal working temperature.
If the water pump fails, the water temperature may become too high and may cause engine failure. In the electronic water pump, because the stator of the motor can not be in direct contact with the cooling liquid, the rotor of the motor and the stator of the motor must be separated, so that the manufacturing difficulty of the sealing property of the internal system of the motor is improved, the reliability of the motor is reduced, various faults can easily occur in the later use process of the electronic water pump, and the normal operation of an automobile engine is influenced.
Therefore, it is very important to test the durability of the electronic water pump. If the durability of the electronic water pump is poor, the electronic water pump needs to be replaced with a new one, and the use cost of the automobile is increased. In addition, if faults occur in the using process, larger catastrophic accidents are easy to happen.
Disclosure of Invention
The invention discloses a durability tester for a normal-temperature electronic water pump, which can simultaneously test the durability of a plurality of electronic water pumps in various simulated operation environments, and has high test efficiency and high test quality.
In order to achieve at least one of the above objects, the present invention provides a durability testing machine for a normal temperature electronic water pump, wherein the testing machine comprises:
a testing machine body;
the liquid storage tank is used for storing liquid for carrying out durability tests on the electronic water pump, the liquid storage tank is arranged on one side of the testing machine body, and a liquid heating device and a temperature measuring device are arranged in the liquid storage tank so as to test the durability of the electronic water pump under the condition of preset medium temperature;
the testing table is arranged on the other side, opposite to the liquid storage tank, of the testing machine body, and a plurality of fixing supports are sequentially arranged on the testing table along the length direction of the liquid storage tank so as to respectively fix the electronic water pumps to be tested;
the liquid passing device comprises a plurality of liquid inlet pipes and liquid outlet pipes which are arranged in pairs and correspond to the fixed supports, and is used for respectively communicating the electronic water pumps to be tested on the fixed supports with the liquid storage tank, so that each electronic water pump simulates the operation environment of the electronic water pump by forming liquid path circulation between the corresponding liquid inlet pipe and liquid outlet pipe and the liquid storage tank, wherein the liquid outlet pipe is provided with an outlet pressure regulating valve, and the liquid outlet pipe is also provided with a pressure sensor at the upstream of the outlet pressure regulating valve; and
the device comprises a control device and a power supply device, wherein a main computer control and data acquisition processing module is arranged in the control device so as to test the durability of the electronic water pump under a set operating environment.
Has the advantages that: according to the durability testing machine for the normal-temperature electronic water pump, a plurality of fixing supports are sequentially arranged on a test board of a testing machine body and used for fixing the electronic water pump to be tested, and each electronic water pump is communicated with a liquid storage tank through a liquid inlet pipe and a liquid outlet pipe to form liquid path circulation so as to simulate various operating environments of the water pump. A liquid heating device and a temperature measuring device are arranged in the liquid storage tank, so that the durability of the electronic water pump can be tested under different medium temperature conditions. And the liquid outlet pipe is provided with a pressure sensor and an outlet pressure regulating valve so as to test the durability of the electronic water pump under different conveying pressure conditions. In addition, the durability of the electronic water pump is tested according to whether the current and the voltage passing through the electronic water pump are within the preset range of the control device and whether the operation time of the electronic water pump is within the preset range of the control device.
Compared with the prior art, the normal-temperature electronic water pump durability testing machine can simultaneously test a plurality of electronic water pumps in different operating environments, is designed in an integrated manner, can simultaneously test dozens or even hundreds of electronic water pumps, greatly increases the number of test samples, simplifies the configuration of the conventional electronic water pump durability testing machine, reduces the testing cost and improves the testing efficiency. The test data is more comprehensive, and the durability of the electronic water pump is effectively ensured.
Furthermore, the bottom of the liquid storage tank is provided with a slope structure, and the height of one side close to the test board is lower than that of one side far away from the test board, so that the liquid in the liquid storage tank is collected for test, and the liquid flowing out of the liquid outlet pipe can reach the pipe orifice of the liquid inlet pipe more quickly.
Further, the testing machine still includes alarm device, alarm device with controlling means electric connection to remind the staff when unsatisfied to predetermine the requirement, improve work efficiency.
Further, the alarm device is an alarm lamp and/or a buzzer.
Furthermore, the inlet of the liquid inlet pipe is close to the lower part of the liquid storage tank, and the outlet of the liquid outlet pipe is close to the upper part of the liquid storage tank;
the liquid level meter is arranged in the liquid storage tank along the groove depth direction and electrically connected with the control device, so that the liquid level in the liquid storage tank can not meet the preset height and then remind a worker through the alarm device, and therefore liquid can be supplemented or discharged in time.
Further, the top of liquid reserve tank is provided with the filling opening to make things convenient for the liquid feeding, the bottom of liquid reserve tank is provided with the leakage fluid dram, the flowing back valve is installed to the leakage fluid dram, in order to make things convenient for control flowing back.
Furthermore, a three-way valve is installed on a passage of the liquid inlet pipe, and is provided with a liquid discharge pipe with a vertically downward opening so as to close the liquid discharge pipe during a test and enable the electronic water pump to be directly communicated with the liquid storage tank; or when the electronic water pump is disassembled and assembled, the three-way valve is closed to be close to the valve port of the liquid storage tank, so that the electronic water pump is directly communicated with the liquid discharge pipe, and the electronic water pump is convenient to disassemble and assemble.
The testing machine further comprises a water pump overflow groove, the water pump overflow groove is arranged right below the liquid discharge pipe and used for containing liquid flowing out when the electronic water pump is detached, an overflow discharge port is arranged at the bottom of the water pump overflow groove, and an overflow discharge valve is arranged at the overflow discharge port and used for controlling discharge of the liquid in the water pump overflow groove.
Further, the liquid heating device is an electric heating pipe, and the temperature measuring device is a thermocouple.
Further, the liquid reserve tank is interlayer type structure, it has the heat preservation cotton to fill in the intermediate layer of liquid reserve tank to reduce the heat loss of liquid in the liquid reserve tank, the energy saving.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description.
Drawings
Fig. 1 shows a schematic structural view of a normal temperature electronic water pump durability testing machine according to a preferred embodiment of the present application.
Fig. 2 shows a schematic side view structure diagram of a durability testing machine for a normal temperature electronic water pump according to a preferred embodiment of the present application.
Fig. 3 shows a side view of a durability testing machine for a room temperature electronic water pump according to a preferred embodiment of the present application.
Detailed Description
The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
With reference to fig. 1 to 3 of the specification, a durability tester for a room temperature electronic water pump according to a preferred embodiment of the present invention includes a tester body 10, a liquid storage tank 20, a testing table 30, a liquid passing device, a control device 100, and a power supply device. Wherein, the power supply device provides power supply for each electronic device in the testing machine.
The testing machine body 10 may be configured as a support frame type structure.
The liquid storage tank 20 is disposed at the rear side of the testing machine body 10 and is used for storing liquid for performing durability tests of the electronic water pump. The liquid stored in the tank 20 is typically water. Of course, the liquid in the reservoir 20 may be other fluids depending on the test conditions. Wherein a liquid heating device and a temperature measuring device are arranged in the liquid storage tank 20 to test the durability of the electronic water pump under the condition of preset medium temperature. The liquid heating device is preferably an electric heating tube, the heating tube is controlled by the control device 100 to heat the liquid in the liquid storage tank 20, and the temperature measuring device is preferably a thermocouple for measuring the temperature of the liquid in the liquid storage tank 20 and providing a preset medium temperature for testing.
The testing table 30 is disposed at the front side of the testing machine body 10, and the testing table 30 is sequentially provided with a plurality of fixing brackets 31 along the length direction of the liquid storage tank 20 to respectively fix the electronic water pumps 40 to be tested.
According to the length of the testing machine body 10, the length of the liquid storage box 20 can be correspondingly increased or decreased, and the number of the fixing brackets 31 can be correspondingly adjusted. In the preferred embodiment, fifteen fixing brackets 31 are shown, which means that fifteen electric water pumps 40 can be tested at most at the same time, so as to improve the working efficiency of the test. Of course, on the basis of this, a person skilled in the art may further lengthen the length of the testing machine body 10, so that the number of the fixing brackets 31 is correspondingly increased, for example, to thirty or sixty, and even if the height is sufficient, two rows of the fixing brackets 31 may be simultaneously disposed, so that the number of the electronic water pumps 40 to be tested simultaneously is doubled to sixty or one hundred twenty again.
The liquid storage tank 20 and the test board 30 are correspondingly designed, so that each electronic water pump 40 to be tested can be directly and correspondingly communicated with the liquid storage tank 20, the whole structure is more compact, dozens or even hundreds of electronic water pumps 40 can be tested simultaneously on the premise of not occupying redundant space, the test machine in the prior art is incomparable, and the test machine is particularly suitable for large-scale enterprises for industrially producing and testing the electronic water pumps 40.
The liquid passing device comprises fifteen liquid inlet pipes 51 and fifteen liquid outlet pipes 52 which are arranged in pairs and correspond to the fifteen fixing supports 31, so that the electronic water pumps 40 to be tested on the fifteen fixing supports 31 are respectively communicated with the liquid storage tank 20, and each electronic water pump 40 forms liquid path circulation with the liquid storage tank 20 through the corresponding liquid inlet pipe 51 and liquid outlet pipe 52 to simulate the operating environment of the electronic water pump. Wherein the inlet of the liquid inlet pipe 51 is close to the lower portion of the liquid storage tank 20 to facilitate the inlet of liquid from the liquid storage tank 20, and the outlet of the liquid outlet pipe 52 is close to the upper portion of the liquid storage tank 20 to facilitate the discharge of liquid into the liquid storage tank 20. Of course, the liquid inlet pipe 51 and the liquid outlet pipe 52 may be disposed at the same height according to the disposition space of the testing machine body 10, wherein the inlets of the liquid inlet pipe 51 are concentratedly disposed at the same side, and the outlets of the liquid outlet pipe 52 are concentratedly disposed at the other side, and the circulation of the liquid path may be formed as well. The distribution of inlet pipe 51 and outlet pipe 52 is not specifically limited herein. One end of each liquid inlet pipe 51 is connected with the liquid storage tank 20, and the other end of each liquid inlet pipe is close to the corresponding fixing support 31 and is used for connecting a liquid inlet of the electronic water pump 40 to be tested; one end of each liquid outlet pipe 52 is close to the corresponding fixed support 31 and is used for connecting a liquid outlet of the electronic water pump 40 to be tested, and the other end of each liquid outlet pipe 52 is connected with the liquid storage box 20, so that a liquid path circulating pipeline of the liquid storage box-a liquid inlet pipe-the electronic water pump-the liquid outlet pipe-the liquid storage box is formed.
An outlet pressure regulating valve 521 is installed on the liquid outlet pipe 52, and a pressure sensor 522 is further installed on the liquid outlet pipe 52 at the upstream of the outlet pressure regulating valve 521. The control device 100 adjusts the outlet pressure regulating valve 521 to a set pressure, so as to simulate the operating environment of the electronic water pump 40 under the set delivery pressure, and monitors the outlet pressure of the electronic water pump 40 according to the upstream pressure sensor 522 in the liquid outlet pipe 52, and compares the outlet pressure with the set delivery pressure to judge the durability of the electronic water pump 40.
A main computer control and data acquisition processing module is arranged in the control device 100 to test the durability of the electronic water pump under a set operating environment. The main computer control and data acquisition and processing module belongs to the prior art, and various data are acquired, processed and analyzed through a computer system. The invention does not relate to improvements in software.
The set operating environment factor includes a temperature of the transport medium and a circulation pressure of the transport medium. Testing the durability of the electronic water pump 40 is to test the current, voltage, outlet pressure and run time of the electronic water pump 40 at different media temperatures and/or different transport media circulation pressures. Therefore, the testing machine is a machine for omnibearing testing of the durability test of the electronic water pump, and ensures that the tested electronic water pump 40 has higher durability and high testing quality.
As a preferred embodiment of the present invention, a slope structure 21 is disposed at the bottom of the liquid storage tank 20. The height of the right side of the bottom of the liquid storage tank 20 is lower than that of the left side thereof. Liquid is collected at the right side of the liquid storage box 20 and is supplied to the liquid inlet pipe 51 for absorption, so that the liquid can be conveniently tested and used, and meanwhile, the liquid which flows out of the liquid outlet pipe 52 after circulation can reach the pipe opening of the liquid inlet pipe 51 from the left side more quickly.
As a preferred embodiment of the present invention, the testing machine further includes an alarm device. The alarm device is electrically connected with the control device 100 to remind a worker to perform corresponding processing when the preset requirement is not met, and the working efficiency is improved.
Preferably, the alarm device is an alarm lamp 60. The worker is alerted by the flashing of the warning light 60. Of course, it is also very easy for those skilled in the art to think that the alarm device can be set as a buzzer to remind the worker of the alarm by ringing; or both the warning lamp 60 and the buzzer may be provided.
In a preferred embodiment of the present invention, a liquid level meter 24 is disposed in the liquid storage tank 20 along the depth direction of the tank. The liquid level meter 24 is electrically connected to the control device 100 to remind a worker through the alarm device when the liquid level in the liquid storage tank 20 does not satisfy a preset height, so as to timely supplement liquid or discharge redundant liquid. The level of the liquid in the tank 20 is preferably controlled to be above the inlet pipe 51 and below the outlet pipe 52, so that the liquid can be discharged more quickly without affecting the liquid discharge from the outlet pipe 52.
Preferably, a filling port is provided at the top of the reservoir 20 to facilitate filling when the liquid is insufficient. The bottom of the reservoir 20 is provided with a drain 22 to facilitate drainage in the event of excess liquid. The liquid discharge port 22 is provided with a liquid discharge valve 23 to facilitate the control of liquid discharge.
In a preferred embodiment of the present invention, a three-way valve 511 is installed in the path of the liquid inlet pipe 51. Two passages of the three-way valve 511 are respectively communicated with the liquid storage tank 20 and the electronic water pump 40, and the third passage of the three-way valve 511 is communicated with a liquid discharge pipe 512 with a downward vertical opening. In a normal test, the drain pipe 512 is closed, so that the liquid in the liquid storage tank 20 directly enters the electronic water pump 40 through the liquid inlet pipe 51, and the durability of the electronic water pump 40 is tested. When the electronic water pump 40 is detached or installed, the passage close to the liquid storage tank 20 in the three-way valve 511 is closed, the passage close to the electronic water pump 40 and the liquid discharge pipe 512 are kept open, the liquid storage tank 20 can be plugged, leakage of liquid in the liquid storage tank 20 is prevented, the electronic water pump 40 can be normally installed at the moment, and liquid in the electronic water pump 40 can be discharged through the liquid discharge pipe 512, so that the electronic water pump 40 is conveniently detached.
Preferably, the testing machine further comprises a water pump overflow trough 70. The pump overflow trough 70 is disposed just below the drain pipe 512, and is used for containing the liquid flowing out when the electronic pump 40 is detached. The bottom of the water pump overflow trough 70 is provided with an overflow discharge outlet 71 to discharge the liquid in the water pump overflow trough 70. The overflow drain 71 is provided with an overflow drain valve 72 for controlling the drainage of the liquid in the water pump overflow trough 70.
In a preferred embodiment of the present invention, the liquid storage tank 20 is a sandwich structure. The interlayer of the liquid storage tank 20 is filled with heat insulation cotton to reduce the heat loss of the liquid in the liquid storage tank 20 and save energy.
It will be appreciated by persons skilled in the art that the embodiments of the invention shown in the foregoing description are by way of example only and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.
Claims (10)
1. The utility model provides a normal atmospheric temperature electronic water pump endurance test machine which characterized in that, wherein the testing machine includes:
a testing machine body;
the liquid storage tank is used for storing liquid for carrying out the durability test of the electronic water pump, the liquid storage tank is arranged on one side of the testing machine body, and a liquid heating device and a temperature measuring device are arranged in the liquid storage tank;
the testing table is arranged on the other side, opposite to the liquid storage tank, of the testing machine body, and a plurality of fixing supports are sequentially arranged on the testing table along the length direction of the liquid storage tank so as to respectively fix the electronic water pumps to be tested;
the liquid passing device comprises a plurality of liquid inlet pipes and liquid outlet pipes which are arranged in pairs and correspond to the fixed supports, and is used for respectively communicating the electronic water pumps to be tested on the fixed supports with the liquid storage tank, so that each electronic water pump simulates the operation environment of the electronic water pump by forming liquid path circulation between the corresponding liquid inlet pipe and liquid outlet pipe and the liquid storage tank, wherein the liquid outlet pipe is provided with an outlet pressure regulating valve, and the liquid outlet pipe is also provided with a pressure sensor at the upstream of the outlet pressure regulating valve; and
the device comprises a control device and a power supply device, wherein a main computer control and data acquisition processing module is arranged in the control device so as to test the durability of the electronic water pump under a set operating environment.
2. The durability testing machine for the ambient temperature electronic water pump according to claim 1, wherein a slope structure is provided at the bottom of the liquid storage tank, and the height of the side close to the testing table is lower than the height of the side far from the testing table, so as to collect the liquid in the liquid storage tank for testing.
3. The durability testing machine for the normal-temperature electronic water pump according to claim 1, further comprising an alarm device, wherein the alarm device is electrically connected with the control device so as to remind a worker when the preset requirement is not met.
4. A normal-temperature electronic water pump durability testing machine as claimed in claim 3, wherein the alarm device is an alarm lamp and/or a buzzer.
5. The durability testing machine for the normal-temperature electronic water pump according to claim 3, wherein an inlet of the liquid inlet pipe is close to the lower part of the liquid storage tank, and an outlet of the liquid outlet pipe is close to the upper part of the liquid storage tank;
the liquid level meter is arranged in the liquid storage tank along the groove depth direction and electrically connected with the control device, so that the liquid level in the liquid storage tank can not meet the preset height and then remind a worker through the alarm device.
6. The durability testing machine for the normal-temperature electronic water pump according to claim 5, wherein a liquid filling opening is arranged at the top of the liquid storage tank, a liquid discharging opening is arranged at the bottom of the liquid storage tank, and a liquid discharging valve is arranged at the liquid discharging opening.
7. The durability testing machine for the normal-temperature electronic water pump according to claim 1, wherein a three-way valve is installed on a passage of the liquid inlet pipe, and the three-way valve is provided with a liquid discharge pipe with a vertically downward opening so as to close the liquid discharge pipe when a test is performed, so that the electronic water pump is directly communicated with the liquid storage tank; or when the electronic water pump is disassembled and assembled, the three-way valve is closed and is close to the valve port of the liquid storage tank, so that the electronic water pump is directly communicated with the liquid discharge pipe.
8. The durability testing machine for the normal-temperature electronic water pump according to claim 7, further comprising a water pump overflow trough, wherein the water pump overflow trough is arranged right below the drain pipe, and the bottom of the water pump overflow trough is provided with an overflow discharge outlet, and the overflow discharge outlet is provided with an overflow discharge valve.
9. A normal temperature electronic pump durability test machine as claimed in claim 1, wherein the liquid heating device is an electric heating tube and the temperature measuring device is a thermocouple.
10. The durability testing machine for the normal-temperature electronic water pump according to claim 1, wherein the liquid storage tank is of a sandwich structure, and heat-insulating cotton is filled in an interlayer of the liquid storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110035813.4A CN112816197A (en) | 2021-01-12 | 2021-01-12 | Normal-temperature electronic water pump durability testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110035813.4A CN112816197A (en) | 2021-01-12 | 2021-01-12 | Normal-temperature electronic water pump durability testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112816197A true CN112816197A (en) | 2021-05-18 |
Family
ID=75868823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110035813.4A Pending CN112816197A (en) | 2021-01-12 | 2021-01-12 | Normal-temperature electronic water pump durability testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112816197A (en) |
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2021
- 2021-01-12 CN CN202110035813.4A patent/CN112816197A/en active Pending
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