CN203148665U - Durability test device for EGR valve - Google Patents
Durability test device for EGR valve Download PDFInfo
- Publication number
- CN203148665U CN203148665U CN 201320127402 CN201320127402U CN203148665U CN 203148665 U CN203148665 U CN 203148665U CN 201320127402 CN201320127402 CN 201320127402 CN 201320127402 U CN201320127402 U CN 201320127402U CN 203148665 U CN203148665 U CN 203148665U
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- timer
- power supply
- socket
- durability test
- switching power
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Abstract
The utility model discloses a durability test device for an EGR valve. The durability test device comprises a bottom plate, a front panel, a back panel, two side panels and an upper cover which are mutually assembled. The back panel is provided with a socket. The bottom plate is provided with a relay socket which is electrically connected with the socket and is used for being inserted by a relay. The output end of the relay socket is respectively connected with a first timer and a second timer. The output ends of the first timer and the second timer are respectively connected with a variable voltage switching power supply. The input end of the variable voltage switching power supply is connected with a toggle switch and a button switch. The output end of the variable voltage switching power supply is respectively connected with a voltage meter and an aviation socket. The durability test device has the advantages of simple operation and low cost, the durability test device can be used for detecting a pneumatic ERG valve and an electric ERG valve simultaneously, the conversion of different working voltage can be realized through the toggle switch and the button switch, the tests of various specifications and models of ERG valves are satisfied, and the versatility of the durability test device is raised.
Description
Technical field
The utility model relates to a kind of test unit, particularly a kind of test unit for detection of the EGR valve.
Background technology
Engine exhaust-gas recirculating system (abbreviation egr system) is for reducing the discharge rate of nitrogen oxide in the waste gas, when its function mode refers to turn round under engine load, the EGR opening of valves, the small amount of exhaust gas that engine is discharged is transmitted back to inlet manifold, and enters cylinder with fresh combustion mixture and burn again.Its principle is to utilize a large amount of CO that contain in the waste gas
2, and CO
2Can not burn but can absorb a large amount of heat, and the temperature of combustion of combination gas in the cylinder is reduced, thereby has reduced the growing amount of NOx.
Major control element in the egr system is the EGR valve, and the EGR valve plays the effect that the EGR gas flow is regulated control in system.The principle of work of EGR valve is the size that changes magnetic field force by the electric current of the vacuum electromagnetic valve coil that changes control EGR vacuum tightness, reach different vacuum tightnesss, further change the size of EGR valve air intake opening switching value, thereby regulate the exhaust gas flow return in the cylinder and the blending ratio of fresh air, so the endurance quality of EGR valve and vacuum solenoid directly has influence on the use of gas recirculation system.The long duration test of EGR valve and vacuum solenoid at present generally be with equipment to be checked be installed to jack horse test bed on or be installed on the instruction carriage and test, such experimentation cost is very high, troublesome poeration, cannot test different product simultaneously, and the durability times of product to be checked does not intuitively show.
Summary of the invention
The technical matters that the utility model solves provides a kind of simple to operate, with low cost, and can test the durability test apparatus of different EGR valves.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
The durability test apparatus that is used for the EGR valve, comprise base plate, be oppositely arranged on front panel and the rear panel on two frames of base plate and be provided with the both sides panel and with base plate, front panel and rear panel equipped loam cake mutually;
Described rear panel is provided with for the socket that connects power supply, described base plate is provided with the relay socket that is used for the grafting relay that is electrically connected with socket, and the output terminal of relay socket is connected with second timer with first timer on being arranged on base plate by lead respectively; The output terminal of described first timer and second timer is connected the variable voltage Switching Power Supply that is arranged on the base plate by lead respectively, the input end of variable voltage Switching Power Supply also connects the toggle switch that is arranged on the front panel and is used for the pushbutton switch of control variable voltage Switching Power Supply duty, the output terminal of variable voltage Switching Power Supply respectively be arranged on front panel on voltage table with the aviation plug of EGR valve to be detected mutually equipped aviation socket be connected.
Improvement of the present utility model is: also be provided with on the described rear panel for the intake interface that connects source of the gas, intake interface is communicated with the solenoid valve that is arranged on the base plate by pipeline, and the gas outlet of solenoid valve is examined the product gas interface by pipeline with the reception on front panel is set and is connected; The control end of described solenoid valve connects the output terminal of variable voltage Switching Power Supply.
Further improvement of the utility model is: also be provided with the apparent tester of intelligent even numbers that is used for showing the long duration test number of times that is connected with first timer on the described front panel.
Improvement of the present utility model also is: also be provided with the green pilot lamp that is used for demonstration first timer duty that is connected with first timer and the red pilot lamp that is used for showing the second timer duty that is connected with second timer on the described front panel.
Owing to adopted above technical scheme, the obtained technical progress of the utility model is as follows.
The utility model is simple to operate, with low cost, can be used for detecting simultaneously pneumatic ERG valve and electronic ERG valve, perhaps detect pneumatic ERG valve and vacuum solenoid simultaneously, also can realize the conversion of different operating voltage by stirring toggle switch, satisfy the ERG valve of various model specifications and test, improved versatility of the present utility model.The intelligence even numbers shows the tester setting, is used for showing the number of times of product long duration test to be checked, makes things convenient for the experimenter to read; The state that the experimenter observes the current product of just testing is convenient in the setting of red pilot lamp and green pilot lamp; Convenient and practical.
Description of drawings
Fig. 1 is the stereographic map of utility model.
Fig. 2 is the vertical view of base plate.
Fig. 3 is the front view of front panel.
Fig. 4 is the front view of rear panel.
Fig. 5 is principle of work block diagram of the present utility model.
Wherein: 1. loam cake, 2. first timer, 3. relay, 4. socket, 5. intake interface, 6. rear panel, 7. base plate, 8. variable voltage Switching Power Supply, 9. relay socket, 10. solenoid valve, 11. voltage tables, 12. intelligent even numbers shows tester, 13. toggle switchs, 14. front panels, 15. reception inspection product gas interface, 16. aviation sockets, 17. pushbutton switches, 18. red pilot lamp, 19. green pilot lamp, 20. second timers.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is further elaborated.
Be used for the durability test apparatus of EGR valve, its structure as shown in Figure 1.Comprise base plate 7, front panel 14, rear panel 6, loam cake 1 and both sides panel, wherein front panel 14 is vertically fixed on the front bezel of base plate 7, rear panel 6 is vertically fixed on the back frame of base plate 7, on two side frames of both sides panel vertical fixing loam cake 1, described loam cake 1, base plate 7, front panel 14, rear panel 6 and both sides panel match to adorn and are body structure.
Annexation in the utility model between each components and parts is as shown in Figure 5, and is specific as follows described:
After socket 4 was connected power supply, the terminals by lead connection relay socket 9 were used to relay that working power is provided.The output terminal of relay socket 9 is connected with second timer 20 with first timer 2 by lead respectively, the output terminal of first timer 2 and second timer 20 is connected variable voltage Switching Power Supply 8 by lead respectively, the input end of variable voltage Switching Power Supply 8 also respectively with toggle switch 13 and pushbutton switch 17, the output terminal of variable voltage Switching Power Supply 8 respectively with voltage table 11 and aviation socket 16.
Its repeat circuit 3 is used for control first timer 2 and second timer 20 alternating movements, first timer 2 is used for the working time of control durability test apparatus, second timer 20 is used for control idle time of durability test apparatus, toggle switch 13 is used for regulating the output voltage of variable voltage Switching Power Supply 8, and pushbutton switch 17 is used for control variable voltage Switching Power Supply 8 duties.During for detection of electronic EGR valve and vacuum solenoid, variable voltage Switching Power Supply 8 is used to aviation plug 16 that power supply is provided, and aviation plug 16 is used for the aviation plug of electronic EGR valve to be detected or vacuum solenoid equipped mutually.
The output terminal of first timer 2 also shows tester 2 with intelligent even numbers and is connected with green pilot lamp 19, and the output terminal of second timer 20 also is connected with red pilot lamp 18.
Wherein intelligent even numbers shows tester 2 and is used for showing the long duration test number of times, and green pilot lamp is used for showing the duty of first timer, and red pilot lamp is used for showing the duty of second timer.
Principle of work of the present utility model is as follows.
After socket connects power supply, press the button switch, durability test apparatus is opened.
When for detection of electronic EGR valve or vacuum solenoid, by the aviation plug of the corresponding product plug to be checked of aviation socket 16 accesses, at this moment voltage table 11 shows the voltage of current product work to be checked.For different operating voltage, realize the conversion of operating voltage by stirring toggle switch, the corresponding voltage of voltage table 11 demonstrations this moment.Regulate first timer 2 and second timer 20 then, can control product work to be checked and idle time, green pilot lamp 19 is bright during product work to be checked, and red pilot lamp 18 was not bright when product to be checked were not worked.The number of times of the long duration test that apparent tester 12 product to be checked of intelligence even numbers carry out.
When for detection of pneumatic EGR valve, insert the air inlet that sets air pressure by oil-water separator by intake interface 5, product to be checked are drawn tracheae by reception inspection product gas interface 15 and are joined, regulate first timer 2 and second timer 20, can control product work to be checked and idle time, green pilot lamp 19 is bright during product work to be checked, and red pilot lamp 18 was not bright when product to be checked were not worked.The number of times of the long duration test that apparent tester 12 product to be checked of intelligence even numbers carry out.
Claims (4)
1. durability test apparatus that is used for the EGR valve is characterized in that: the loam cake (1) that comprises base plate (7), is oppositely arranged on front panel (14) and the rear panel (6) on (7) two frames of base plate and is provided with the both sides panel and be equipped with mutually with base plate (7), front panel (14) and rear panel (6);
Described rear panel (6) is provided with for the socket (4) that connects power supply, described base plate (7) is provided with the relay socket (9) that is used for grafting relay (3) that is electrically connected with socket (4), and the output terminal of relay socket (9) is connected with second timer (20) with first timer (2) on being arranged on base plate (7) by lead respectively; The output terminal of described first timer (2) and second timer (20) is connected the variable voltage Switching Power Supply (8) that is arranged on the base plate (7) by lead respectively, the input end of variable voltage Switching Power Supply (8) also connects the toggle switch (13) that is arranged on the front panel and is used for the pushbutton switch (17) of control variable voltage Switching Power Supply (8) duty, the output terminal of variable voltage Switching Power Supply (8) respectively be arranged on front panel on voltage table (11) with the aviation plug of EGR valve to be detected mutually equipped aviation socket (16) be connected.
2. the durability test apparatus for the EGR valve according to claim 1, it is characterized in that: also be provided with on the described rear panel (6) for the intake interface (5) that connects source of the gas, intake interface (5) is communicated with the solenoid valve (10) that is arranged on the base plate (7) by pipeline, and the gas outlet of solenoid valve (10) is examined product gas interfaces (15) by pipeline with the reception on front panel (14) is set and is connected; The control end of described solenoid valve (10) connects the output terminal of variable voltage Switching Power Supply (8).
3. the durability test apparatus for the EGR valve according to claim 1 and 2 is characterized in that: also be provided with the apparent tester (12) of intelligent even numbers that is used for showing the long duration test number of times that is connected with first timer (2) on the described front panel (14).
4. the durability test apparatus for the EGR valve according to claim 3 is characterized in that: also be provided with the green pilot lamp (19) that is used for demonstration first timer (2) duty that is connected with first timer (2) and the red pilot lamp (18) that is used for showing second timer (20) duty that is connected with second timer (20) on the described front panel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127402 CN203148665U (en) | 2013-03-20 | 2013-03-20 | Durability test device for EGR valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320127402 CN203148665U (en) | 2013-03-20 | 2013-03-20 | Durability test device for EGR valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203148665U true CN203148665U (en) | 2013-08-21 |
Family
ID=48976181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320127402 Withdrawn - After Issue CN203148665U (en) | 2013-03-20 | 2013-03-20 | Durability test device for EGR valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203148665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196662A (en) * | 2013-03-20 | 2013-07-10 | 无锡隆盛科技股份有限公司 | Endurance test device used for exhaust gas recirculation (EGR) valve |
| CN106197986A (en) * | 2016-08-29 | 2016-12-07 | 无锡市美峰橡胶制品制造有限公司 | A kind of rubber diaphragm fatigue durability test device |
-
2013
- 2013-03-20 CN CN 201320127402 patent/CN203148665U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196662A (en) * | 2013-03-20 | 2013-07-10 | 无锡隆盛科技股份有限公司 | Endurance test device used for exhaust gas recirculation (EGR) valve |
| CN103196662B (en) * | 2013-03-20 | 2015-04-15 | 无锡隆盛科技股份有限公司 | Endurance test device used for exhaust gas recirculation (EGR) valve |
| CN106197986A (en) * | 2016-08-29 | 2016-12-07 | 无锡市美峰橡胶制品制造有限公司 | A kind of rubber diaphragm fatigue durability test device |
| CN106197986B (en) * | 2016-08-29 | 2019-07-12 | 无锡市美峰橡胶制品制造有限公司 | A kind of rubber diaphragm fatigue durability test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |