CN209743131U - Durable test equipment of electric vacuum pump life-span - Google Patents
Durable test equipment of electric vacuum pump life-span Download PDFInfo
- Publication number
- CN209743131U CN209743131U CN201920221940.1U CN201920221940U CN209743131U CN 209743131 U CN209743131 U CN 209743131U CN 201920221940 U CN201920221940 U CN 201920221940U CN 209743131 U CN209743131 U CN 209743131U
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- test sample
- vacuum pump
- sample
- test
- control unit
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Abstract
The utility model discloses an electric vacuum pump life durability test device, which comprises a temperature box and a sample mounting rack, wherein a test sample is fixedly placed on the sample mounting rack, the air inlet of the test sample is connected with an air exhaust tank through a vacuum hose, the air outlet of the test sample is connected with a dust collecting box through an exhaust pipe, and a pressure sensor is fixedly installed above the air exhaust tank; the test sample all passes through PLC the control unit electric connection power, pressure sensor response bleeds the inside pressure value of jar to give PLC the control unit with pressure value signal transmission. The utility model overcomes prior art's is not enough, the utility model discloses main aim at can reach the requirement of carrying out the life-span test for the vacuum pump through utilizing experimental simulation means in the laboratory, the actual application condition of vacuum pump in the real car assembly can be simulated to this equipment to just can accomplish the life-span test that is equivalent to whole car service life in the laboratory.
Description
Technical Field
The utility model relates to an electric vacuum pump test technical field, concretely relates to durable test equipment of electric vacuum pump life-span.
Background
Currently, problems such as environmental pollution and energy crisis are more and more drawing global attention. The new energy automobile adopts unconventional automobile fuel as a power source, so that the energy consumption is reduced, and the energy utilization rate is improved by adopting an energy recovery technology. Therefore, the new energy automobile becomes the development direction of the automobile in the future and has wide development prospect. And the performance of the electric vacuum pump is tested.
However, the service life test of the electric vacuum pump on the market at present only carries out the service life test at room temperature, and does not carry out the high-temperature state and the low-temperature state, so that the service life test verification degree of the product is not enough, even if the product carries out the so-called full service life verification at room temperature, the service life requirement of the whole vehicle cannot be necessarily met, after all, the high-temperature and low-temperature cycle alternation state exists in the use of the whole vehicle, and the examination of the product under the condition is more rigorous.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an durable test equipment of electric vacuum pump life-span and application method thereof has overcome the not enough of prior art, and main aim at can reach the requirement of carrying out the life-span test for the vacuum pump through utilizing experimental simulation means in the laboratory, and the actual application condition of vacuum pump in the real car assembly can be simulated to this equipment to just can accomplish the life-span test that is equivalent to whole car service life in the laboratory.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
An electric vacuum pump service life durability test device comprises a temperature box and a sample mounting rack, wherein the sample mounting rack is fixedly mounted in the temperature box, a test sample is fixedly placed on the sample mounting rack, air inlets of the test sample are connected with an air pumping tank through vacuum hoses, the air pumping tank is fixedly mounted on the outer side of the temperature box, a dust collecting box is fixedly mounted on the outer side of the temperature box, air outlets of the test sample are connected with the dust collecting box through exhaust pipes, and a pressure sensor is fixedly mounted above the air pumping tank; the test sample all passes through PLC the control unit electric connection power, pressure sensor response bleeds the inside pressure value of jar to give PLC the control unit with pressure value signal transmission.
preferably, the vacuum hoses are fixedly provided with check valves in the middle.
Preferably, at least one test sample is uniformly and fixedly placed on the upper surface of the sample mounting rack, and each test sample is controlled by a separate power supply.
Preferably, test sample fixed surface installs temperature sensor, temperature sensor responds to test sample's temperature value in real time to give PLC the control unit with temperature value signal transmission, PLC the control unit electric control has the alarm.
Preferably, a rotating speed sensor is arranged on the surface of the test sample, and the rotating speed sensor senses the rotating speed of a motor of the test sample in real time and transmits a motor rotating speed signal to the PLC control unit for real-time monitoring.
(III) advantageous effects
The embodiment of the utility model provides an durable test equipment of electric vacuum pump life-span is provided. The method has the following beneficial effects: temperature loading is carried out on a test sample in an experiment through a temperature box, and low-temperature, normal-temperature and high-temperature test environments are provided for the test sample, so that the working performance and stability of the product at different temperatures are verified; each test sample is powered by an independent power supply, all the test samples work simultaneously during the test to extract the gas in the air extraction tank, the pressure sensor arranged at the upper part of the air extraction tank reads the pressure value in the air extraction tank in real time, thereby judging whether the test sample starts or stops working, when the pressure value in the air extraction tank reaches the starting working pressure, the pressure value signal is sent to the PLC control unit, the PLC control unit controls the power supply to electrify the test sample, thereby the test sample starts to work, the air is pumped into the air pumping tank at the moment, when the pressure value in the air pumping tank reaches the closing pressure, the PLC control unit powers off the test sample, the test sample stops working, the air pumping tank starts to return air at the moment, and the next air pumping action is circulated after the air pumping tank returns to the starting working pressure and the set single working cycle stop time of the test sample in the current temperature range is finished; therefore, the test of all samples can be carried out simultaneously, and the test time is obviously reduced. The requirement of simultaneous start and simultaneous completion can be basically met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures illustrate:
1. A temperature box; 2. a sample mounting stage; 3. testing the sample; 4. a vacuum hose; 5. an air pumping tank; 6. a dust collection box; 7. an exhaust pipe; 8. a pressure sensor; 9. a PLC control unit; 10. a power source; 11. a one-way valve; 12. a temperature sensor; 13. a rotation speed sensor.
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
An electric vacuum pump service life durability test device comprises a temperature box 1 and a sample mounting rack 2, wherein the sample mounting rack 2 is fixedly mounted in the temperature box 1, a test sample 3 is fixedly placed on the sample mounting rack 2, air inlets of the test sample 3 are connected with an air pumping tank 5 through a vacuum hose 4, the air pumping tank 5 is fixedly mounted on the outer side of the temperature box 1, a dust collecting tank 6 is fixedly mounted on the outer side of the temperature box 1, air outlets of the test sample 3 are connected with the dust collecting tank 6 through an exhaust pipe 7, and a pressure sensor 8 is fixedly mounted above the air pumping tank 5; the test sample 3 is all through PLC the control unit 9 electric connection power 10, pressure sensor 8 response exhaust column 5 inside pressure value to give PLC the control unit 9 with pressure value signal transmission.
And the middle of each vacuum hose 4 is fixedly provided with a one-way valve 11. Thereby when test sample stop work, because test sample 3 is inside this moment for vacuum state, outside atmosphere can get into test sample 3 through the gas outlet inside, and check valve 11 can avoid suck-back gas exhaust jar 5.
At least one test sample 3 is uniformly and fixedly placed on the upper surface of the sample mounting rack 2, and each test sample 3 is controlled by a separate power supply 10. Therefore, all sample tests can be carried out simultaneously, the test time is obviously reduced, and the requirement that the tests are simultaneously started and finished can be basically met.
3 fixed surface of test sample installs temperature sensor 12, temperature sensor 12 responds to the temperature value of test sample 3 in real time to give PLC the control unit 9 with temperature value signal transmission, PLC the control unit 9 electric control has the alarm. Therefore, when the temperature is out of tolerance, the PLC control unit 9 can control the alarm to give an alarm immediately, the sample is stopped to continue testing, and the sample can be recovered to be tested after being inspected.
The surface of the test sample 3 is provided with a rotating speed sensor 13, the rotating speed sensor 13 senses the rotating speed of the motor of the test sample 3 in real time and transmits a motor rotating speed signal to the PLC control unit 9 for real-time monitoring.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides an durable test equipment of electric vacuum pump life, includes temperature box (1) and sample installation rack (2), its characterized in that: the device comprises a sample mounting rack (2), a test sample (3) is fixedly arranged on the sample mounting rack (2), air inlets of the test sample (3) are connected with an air suction tank (5) through a vacuum hose (4), the air suction tank (5) is fixedly arranged on the outer side of the temperature box (1), a dust collection box (6) is fixedly arranged on the outer side of the temperature box (1), air outlets of the test sample (3) are connected with the dust collection box (6) through an exhaust pipe (7), and a pressure sensor (8) is fixedly arranged above the air suction tank (5); the test sample (3) is electrically connected with the power supply (10) through the PLC control unit (9), the pressure sensor (8) senses the pressure value inside the air pumping tank (5) and transmits the pressure value signal to the PLC control unit (9).
2. An electric vacuum pump life durability test apparatus according to claim 1, characterized in that: and the middle of the vacuum hose (4) is fixedly provided with a one-way valve (11).
3. An electric vacuum pump life durability test apparatus according to claim 1, characterized in that: the upper surface of the sample mounting rack (2) is uniformly and fixedly provided with at least one test sample (3), and each test sample (3) is controlled by an independent power supply (10).
4. An electric vacuum pump life durability test apparatus according to claim 1, characterized in that: test sample (3) fixed surface installs temperature sensor (12), temperature sensor (12) real-time response test sample's (3) temperature value to give PLC the control unit (9) with temperature value signal transmission, PLC the control unit (9) electric control has the alarm.
5. An electric vacuum pump life durability test apparatus according to claim 1, characterized in that: the surface of the test sample (3) is provided with a rotating speed sensor (13), the rotating speed sensor (13) senses the rotating speed of the motor of the test sample (3) in real time, and transmits a motor rotating speed signal to the PLC control unit (9) for real-time monitoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221940.1U CN209743131U (en) | 2019-02-21 | 2019-02-21 | Durable test equipment of electric vacuum pump life-span |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920221940.1U CN209743131U (en) | 2019-02-21 | 2019-02-21 | Durable test equipment of electric vacuum pump life-span |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209743131U true CN209743131U (en) | 2019-12-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920221940.1U Expired - Fee Related CN209743131U (en) | 2019-02-21 | 2019-02-21 | Durable test equipment of electric vacuum pump life-span |
Country Status (1)
| Country | Link |
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| CN (1) | CN209743131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707614A (en) * | 2019-02-21 | 2019-05-03 | 上海拓绅汽车电子有限公司 | A kind of electric vacuum pump service life durability test equipment and its application method |
-
2019
- 2019-02-21 CN CN201920221940.1U patent/CN209743131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707614A (en) * | 2019-02-21 | 2019-05-03 | 上海拓绅汽车电子有限公司 | A kind of electric vacuum pump service life durability test equipment and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 Termination date: 20210221 |