CN209027773U - A kind of vacuum generator life test apparatus - Google Patents
A kind of vacuum generator life test apparatus Download PDFInfo
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- CN209027773U CN209027773U CN201821703701.1U CN201821703701U CN209027773U CN 209027773 U CN209027773 U CN 209027773U CN 201821703701 U CN201821703701 U CN 201821703701U CN 209027773 U CN209027773 U CN 209027773U
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- solenoid valve
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Abstract
The utility model provides a kind of vacuum generator life test apparatus, including counter controller, timing controller and door chip, the first B/P EGR Back Pressure Transducer EGR, solenoid valve, negative-pressure cup；The vacuum interface of the test side connection vacuum generator of counter controller, the input terminal of the control terminal connection timing controller of counter controller；Timing controller, the first B/P EGR Back Pressure Transducer EGR output end connect respectively with the input terminal of door chip；The input terminal of first B/P EGR Back Pressure Transducer EGR and the gas outlet of vacuum generator；The control terminal of solenoid valve is connect with the output end of door chip, with door chip for controlling solenoid valve conduction or closure；Solenoid valve is connected with the gas outlet of vacuum generator, and negative-pressure cup connects solenoid valve, and negative-pressure cup provides negative pressure by solenoid valve for vacuum generator.The utility model can automatically and efficiently complete the life test of vacuum generator, and test parameter comprehensively, accurately, has been effectively ensured the outgoing of vacuum generator, has improved detection efficiency.
Description
Technical field
The utility model relates to pneumatic product technical field of test equipment, and in particular to a kind of vacuum generator life test
Device.
Background technique
Vacuum generator on domestic market is many kinds of, and model is different, and there is also larger differences for every key technical index
Away from.It needs to be tested for the property it before vacuum generator factory, avoids influencing its using effect due to product quality problem.Mesh
Before, profession, the vacuum generator life tests equipment of system are lacked in industry, cause the performance parameter of detection it is not comprehensive enough,
It is scientific, accurate.
Utility model content
To solve above-mentioned problems of the prior art, the utility model provides a kind of vacuum generator life test dress
It sets, precisely comprehensively vacuum generator can be detected, ensure that the outgoing of vacuum generator.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of vacuum generator life test apparatus, which is characterized in that including counter controller, timing controller and door
Chip, the first B/P EGR Back Pressure Transducer EGR, solenoid valve, negative-pressure cup；
The vacuum interface of the test side connection vacuum generator of the counter controller, the control terminal of the counter controller
The input terminal of the timing controller is connected, based on the counter controller is carried out by the action frequency to the vacuum generator
Number；
The timing controller, first B/P EGR Back Pressure Transducer EGR output end connect respectively with the input terminal with door chip
It connects；The timing controller is used to carry out timing to life test；
The input terminal of first B/P EGR Back Pressure Transducer EGR and the gas outlet of the vacuum generator, first B/P EGR Back Pressure Transducer EGR
Described and door chip is passed to for detecting the negative pressure signal of the gas outlet of the vacuum generator, and by the negative pressure signal；
The output end with door chip connect the control terminal of the solenoid valve, described to be used to control the electricity with door chip
Magnet valve conducting or closure；
The solenoid valve is connected with the gas outlet of the vacuum generator, and the negative-pressure cup connects the solenoid valve, described
Negative-pressure cup provides negative pressure by the solenoid valve for the vacuum generator.
It further, further include Hall sensor, the Hall sensor is set to the vacuum interface of the vacuum generator
Inside, the test side of the counter controller passes through the vacuum interface and connect with the Hall sensor.
It further, also include flowmeter, the flowmeter is connect with the air inlet of the vacuum generator, the flow
Count the air consumption for measuring the vacuum generator.
Further, the negative-pressure cup is also connected with vacuum pump, and the vacuum pump is used to control the pressure in the negative-pressure cup
Power.
Further, the negative-pressure cup is also connected with the second B/P EGR Back Pressure Transducer EGR, and second B/P EGR Back Pressure Transducer EGR is for detecting
The internal pressure of the negative-pressure cup.
Further, it is connected between the vacuum pump and second B/P EGR Back Pressure Transducer EGR by controller, the controller
It is started or stoped for controlling vacuum pump.
Compared with prior art, a kind of advantageous effects of the utility model are as follows: vacuum generator of the utility model
Life test apparatus can automatically and efficiently complete the life test of vacuum generator, and test parameter is comprehensively accurate, is effectively ensured
The outgoing of vacuum generator, improves detection efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
In figure: 1-flowmeter, 2-timing controllers, 3-with door chip, the 4-the first B/P EGR Back Pressure Transducer EGR, 5-solenoid valves,
6-the second B/P EGR Back Pressure Transducer EGR, 7-controllers, 8-vacuum pumps, 9-negative-pressure cups, 10-Hall sensors, 11-tally controls
Device, A-vacuum generator, a-vacuum generator vacuum interface, b-vacuum generator air inlet, c-vacuum generator
Gas outlet.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained, fall within the protection scope of the utility model.
The technical solution of the utility model is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, a kind of vacuum generator life test apparatus, including counter controller 11, timing controller 2, with
Door chip 3, the first B/P EGR Back Pressure Transducer EGR 4, solenoid valve 5, negative-pressure cup 9；
Specifically, the vacuum interface a of the test side connection vacuum generator of counter controller 11, the control of counter controller 11
The input terminal of connection timing controller 2 in end processed, counter controller 11 is for counting the action frequency of vacuum generator A；
Timing controller 2, the first B/P EGR Back Pressure Transducer EGR 4 output end connect respectively with the input terminal of door chip 3；Timing control
Device 2 processed is used to carry out timing to life test；
The input terminal of first B/P EGR Back Pressure Transducer EGR 4 and the gas outlet c of vacuum generator, the first B/P EGR Back Pressure Transducer EGR 4 is for detecting
The negative pressure signal of the gas outlet c of vacuum generator, and the negative pressure signal that will test passes to and door chip 3；
The control terminal of solenoid valve 5 is connect with the output end of door chip 3, with door chip 3 for controlling the conducting of solenoid valve 5 or closing
It closes；
Solenoid valve 5 is connected with the gas outlet c of vacuum generator, and negative-pressure cup 9 connects solenoid valve 5, and negative-pressure cup 9 passes through solenoid valve
5 provide negative pressure for vacuum generator A.
In one embodiment of the utility model, vacuum generator life test apparatus further includes Hall sensor 10,
Hall sensor 10 is set to the inside of the vacuum interface a of vacuum generator, and the test side of counter controller 11 passes through vacuum
The vacuum interface a of device is connect with Hall sensor 10.
Optionally, vacuum generator life test apparatus also includes flowmeter 1, the air inlet of flowmeter 1 and vacuum generator
Mouth b connection, flowmeter 1 are used to measure the air consumption of vacuum generator A.
Preferably, negative-pressure cup 9 is also connected with vacuum pump 8, and vacuum pump 8 is used to control the pressure in negative-pressure cup 9；Negative-pressure cup 9
It is also connected with the second B/P EGR Back Pressure Transducer EGR 6, the second B/P EGR Back Pressure Transducer EGR 6 is used to detect the negative pressure value of negative-pressure cup 9；Vacuum pump 8 and second
It is connected between B/P EGR Back Pressure Transducer EGR 6 by controller 7, controller 7 is started or stoped for controlling vacuum pump 8.
That is, the negative pressure value of the second B/P EGR Back Pressure Transducer EGR 6 detection negative-pressure cup 9, and the negative pressure value that will test passes to
Controller 7；When the negative pressure value of negative-pressure cup 9 is lower than setting value, controller 7 controls vacuum pump 8 and starts, and makes negative in negative-pressure cup 9
Pressure value is restored to setting value；When the negative pressure value of negative-pressure cup 9 is higher than setting value, controller 7 controls vacuum pump 8 and stops working, from
And guarantee that the negative pressure value of negative-pressure cup 9 is in reasonable level, keep life test results more accurate.
The specific workflow of the utility model is divided into following steps:
Step S1, start timing controller 2, timing controller 2 starts timing.
Step S2, after timing controller 2 reaches setting time, the control of timing controller 2 drives solenoid valve 5 with door chip 3
Conducting, while vacuum generator A works；The gas outlet c of vacuum generator generates negative pressure, and the first B/P EGR Back Pressure Transducer EGR detects vacuum
After the negative pressure signal of the gas outlet c of generator, which is passed to and door chip 3；Solenoid valve 7 is controlled with door chip 3
Closure, counter controller 11 counts once at this time, and timing controller 2 restarts timing.
Step S3, after timing controller 2 arrives again at setting time, repeat the above steps S2；It loops back and forth like this repeatedly,
To complete the life test of vacuum generator.
Step S4, after counter controller 11 reaches setting number, counter controller 11 controls timing controller 2 and stops meter
When, off-test.
A kind of vacuum generator life test apparatus of the utility model can automatically and efficiently complete vacuum generator
Life test, test parameter is comprehensively accurate, and the outgoing of vacuum generator has been effectively ensured, has improved detection efficiency.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (6)
1. a kind of vacuum generator life test apparatus, which is characterized in that including counter controller, timing controller and Men Xin
Piece, the first B/P EGR Back Pressure Transducer EGR, solenoid valve, negative-pressure cup；
The vacuum interface of the test side connection vacuum generator of the counter controller, the control terminal connection of the counter controller
The input terminal of the timing controller, the counter controller is for counting the action frequency of the vacuum generator；
The timing controller, first B/P EGR Back Pressure Transducer EGR output end connect respectively with the input terminal with door chip；
The timing controller is used to carry out timing to life test；
The input terminal of first B/P EGR Back Pressure Transducer EGR is connect with the gas outlet of the vacuum generator, first B/P EGR Back Pressure Transducer EGR
Described and door chip is passed to for detecting the negative pressure signal of the gas outlet of the vacuum generator, and by the negative pressure signal；
The output end with door chip connect the control terminal of the solenoid valve, described to be used to control the solenoid valve with door chip
Conducting or closure；
The solenoid valve is connected with the gas outlet of the vacuum generator, and the negative-pressure cup connects the solenoid valve, the negative pressure
Tank provides negative pressure by the solenoid valve for the vacuum generator.
2. vacuum generator life test apparatus according to claim 1, it is characterised in that: it further include Hall sensor,
The Hall sensor is set to the inside of the vacuum interface of the vacuum generator, and the test side of the counter controller passes through institute
Vacuum interface is stated to connect with the Hall sensor.
3. vacuum generator life test apparatus according to claim 1, it is characterised in that: it also include flowmeter, it is described
Flowmeter is connect with the air inlet of the vacuum generator, and the flowmeter is used to measure the air consumption of the vacuum generator.
4. vacuum generator life test apparatus according to claim 1, it is characterised in that: the negative-pressure cup is also connected with
Vacuum pump, the vacuum pump are used to control the pressure in the negative-pressure cup.
5. vacuum generator life test apparatus according to claim 4, it is characterised in that: the negative-pressure cup is also connected with
Second B/P EGR Back Pressure Transducer EGR, second B/P EGR Back Pressure Transducer EGR are used to detect the internal pressure of the negative-pressure cup.
6. vacuum generator life test apparatus according to claim 5, it is characterised in that: the vacuum pump and described the
It is connected between two B/P EGR Back Pressure Transducer EGRs by controller, the controller is started or stoped for controlling vacuum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821703701.1U CN209027773U (en) | 2018-10-21 | 2018-10-21 | A kind of vacuum generator life test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821703701.1U CN209027773U (en) | 2018-10-21 | 2018-10-21 | A kind of vacuum generator life test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209027773U true CN209027773U (en) | 2019-06-25 |
Family
ID=66907997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821703701.1U Active CN209027773U (en) | 2018-10-21 | 2018-10-21 | A kind of vacuum generator life test apparatus |
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| CN (1) | CN209027773U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346106A (en) * | 2019-08-16 | 2019-10-18 | 平原滤清器有限公司 | For testing the vacuum pulse experimental rig and test method of transmission filter device |
| CN113211364A (en) * | 2021-05-21 | 2021-08-06 | 宁波中车时代电气设备有限公司 | Vacuum generator test carrier and vacuum generator test equipment |
-
2018
- 2018-10-21 CN CN201821703701.1U patent/CN209027773U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346106A (en) * | 2019-08-16 | 2019-10-18 | 平原滤清器有限公司 | For testing the vacuum pulse experimental rig and test method of transmission filter device |
| CN110346106B (en) * | 2019-08-16 | 2024-04-05 | 平原滤清器有限公司 | Vacuum pulse test device and test method for testing gearbox filter |
| CN113211364A (en) * | 2021-05-21 | 2021-08-06 | 宁波中车时代电气设备有限公司 | Vacuum generator test carrier and vacuum generator test equipment |
| CN113211364B (en) * | 2021-05-21 | 2022-11-11 | 宁波中车时代电气设备有限公司 | Vacuum generator test carrier and vacuum generator test equipment |
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