CN210893676U - Performance detection device of ESC linear booster valve - Google Patents
Performance detection device of ESC linear booster valve Download PDFInfo
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- CN210893676U CN210893676U CN201922079295.7U CN201922079295U CN210893676U CN 210893676 U CN210893676 U CN 210893676U CN 201922079295 U CN201922079295 U CN 201922079295U CN 210893676 U CN210893676 U CN 210893676U
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Abstract
The utility model discloses a performance detection device of an ESC linear booster valve, which comprises a bracket for placing the ESC linear booster valve, wherein the bracket is provided with a positioning mechanism for positioning the ESC linear booster valve, and the positioning mechanism is provided with a gas circuit channel communicated with a valve body of the ESC linear booster valve; the loading mechanism is used for adjusting the opening of the ESC linear booster valve; and the testing gas circuit is used for connecting the gas circuit channel and realizes the detection of the performance of the ESC linear booster valve by monitoring the gas flow passing through the ESC linear booster valve. The utility model discloses a detection device can be used to detect the linear pressure boost valve's of ESC performance to be favorable to improving product quality. The utility model has the advantages of being simple in structure and convenient in operation, convenient to popularize and apply.
Description
Technical Field
The utility model relates to an automatic change and detect technical field, especially relate to a performance detection device of ESC linear booster valve, applicable performance in electron stability control system product part detects.
Background
An Electronic stability control system (ESC) is a key technology for active safety of automobiles. At present, the active safety system is developed by key technologies such as ABS, TCS and ESC, wherein ABS has an anti-lock function for wheels, TCS has an anti-skid function for wheels, and ESC includes all performances of ABS and TCS. The linear pressure increasing valve of the ESC is a control element in the ESC, and realizes stable pressure and quick backflow by controlling stable pressure in the braking process of a vehicle. The linear pressure increasing valve of the ESC is an indispensable part of an ESC system and a core component of the ESC system, and the performance of the linear pressure increasing valve has an extremely important influence on the braking performance of the ESC. At present, the main brake system manufacturers in China are still in the stage of part production and technical exploration. Aiming at the design process of the ESC linear booster valve, it is particularly important to design a high-precision testing device and a detection method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a performance detection device of ESC linear booster valve.
In order to achieve the above purpose, the technical scheme of the utility model is that: the performance detection device of the ESC linear booster valve comprises a support for placing the ESC linear booster valve, wherein the support is provided with a plurality of slots
The positioning mechanism is used for positioning the ESC linear booster valve and is provided with a gas path channel communicated with a valve body of the ESC linear booster valve;
the loading mechanism is used for adjusting the opening of the ESC linear booster valve;
and the testing gas circuit is used for connecting the gas circuit channel and realizes the detection of the performance of the ESC linear booster valve by monitoring the gas flow passing through the ESC linear booster valve.
Furthermore, positioning mechanism includes the solenoid valve mount pad, and the solenoid valve mount pad up end is equipped with the location the last tube cavity of the linear pressure boost valve of ESC still is equipped with air inlet and gas outlet on the solenoid valve mount pad, and when the linear pressure boost valve of ESC was located last tube cavity, its air inlet end and air inlet intercommunication, the end of giving vent to anger communicates with the gas outlet.
Furthermore, a sealing rubber ring is arranged at the upper opening of the upper pipe cavity to realize the sealing between the upper pipe cavity and the ESC linear booster valve.
Furthermore, the loading mechanism is arranged above the positioning mechanism and comprises an air cylinder, a lower pressing block is arranged at the tail end of a telescopic rod of the air cylinder, a lower pipe cavity corresponding to the upper pipe cavity is arranged on the lower end face of the lower pressing block, a coil and a fixing seat for supporting the coil are arranged in the lower pipe cavity, and when the telescopic rod is controlled by the air cylinder to move downwards, the fixing seat tightly presses the ESC linear booster valve so as to prevent the ESC linear booster valve from rotating; the outer wall of the lower pipe cavity is provided with a PWM pulse signal input end connected with a coil, the PWM pulse signal input end can enable the coil connected with the PWM pulse signal input end to form a magnetic field through inputting a PWM signal, a moving body of the ESC linear booster valve is driven to drive a push rod to rotate, the opening degree of the ESC linear booster valve is adjusted, and the opening degree of the ESC linear booster valve in a normal state is 100%; the side wall of the lower tube cavity is also provided with heat dissipation holes.
Furthermore, the side wall of the lower pipe cavity is provided with a through hole, and a silencer is arranged in the through hole and used for reducing the sound generated when the testing gas circuit detects the ESC linear booster valve.
Furthermore, the telescopic link and the lower pressing block are provided with a lower pressing platform, the upper end face of the lower pressing platform is fixed at the tail end of the telescopic link through a connecting block, the lower pressing block is fixed at the lower end face of the lower pressing platform, guide rods are arranged on two sides of the lower pressing platform, a sliding bearing is sleeved outside the guide rods and fixed on the support, and the moving direction of the lower pressing block is limited.
Furthermore, the test gas circuit includes air supply and flow sensor, and the output of air supply is connected with the duplicate, the output of duplicate with gas circuit passageway one end is connected, and accessible air supply lets in the air current to gas circuit passageway, and flow sensor's input is connected with the other end of gas circuit passageway, and the gas flow of real-time supervision ESC linear booster valve.
The utility model has the advantages that: the utility model discloses a detection device can be used to detect the linear pressure boost valve's of ESC performance to be favorable to improving product quality. The utility model has the advantages of being simple in structure and convenient in operation, convenient to popularize and apply.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the positioning mechanism of the present invention;
fig. 3 is a sectional view of the positioning mechanism of the present invention;
FIG. 4 is a schematic structural view of the lower press block of the present invention;
FIG. 5 is a cross-sectional view of the lower press block of the present invention;
fig. 6 is a schematic structural view of the gas path detection device of the present invention;
FIG. 7 is a schematic diagram of a linear pressurization valve of the ESC;
in the figure, 1, a positioning mechanism; 2. a loading mechanism; 3. detecting a gas circuit; 4. a support; 11. a solenoid valve mounting seat; 12. an upper lumen; 13. an air inlet; 14. an air outlet; 15. sealing the rubber ring; 21. A cylinder; 22. a telescopic rod; 23. pressing the block; 24. a lower lumen; 25. a coil; 26. a fixed seat; 27. a PWM pulse signal input terminal; 28. a muffler; 29. heat dissipation holes; 201. pressing the platform; 202. connecting blocks; 203. a guide bar; 204. a sliding bearing; 31. a gas source; 32. a flow sensor; 33. a two-part member; 51. a moving body; 52. a push rod; 53. a spring; 54 an air inlet end; 55. And an air outlet end.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
The ESC linear pressurization valve 5 shown in fig. 7 comprises 51, a mover; 52. a push rod; 53. a spring; 54 an air inlet end; 55. and an air outlet end. The utility model provides a performance detection device of ESC linear booster valve, as shown in figures 1-7, including the support 4 that is used for placing ESC linear booster valve, be equipped with on the support 4
The positioning mechanism 1 is used for positioning the ESC linear booster valve, and an air channel communicated with a valve body of the ESC linear booster valve is arranged on the positioning mechanism 1;
the loading mechanism 2 is used for adjusting the opening degree of the ESC linear booster valve;
and the testing gas circuit is used for connecting the gas circuit channel and realizes the detection of the performance of the ESC linear booster valve by monitoring the gas flow passing through the ESC linear booster valve.
As shown in fig. 2, 3 and 7, the positioning mechanism 1 includes a solenoid valve mounting seat 11, an upper pipe cavity 12 for positioning the ESC linear booster valve is disposed on an upper end surface of the solenoid valve mounting seat 11, the solenoid valve mounting seat 11 is further provided with an air inlet 13 and an air outlet 14, when the ESC linear booster valve is positioned in the upper pipe cavity 12, the air inlet end of the ESC linear booster valve is communicated with the air inlet 13, and the air outlet end of the ESC linear booster valve is communicated with the air outlet 14.
And a sealing rubber ring 15 is arranged at the upper opening of the upper pipe cavity 12 so as to realize the sealing between the upper pipe cavity 12 and the ESC linear booster valve.
As shown in fig. 1, 4, 5, and 7, the loading mechanism 2 is disposed above the positioning mechanism 1, and includes a cylinder 21, a lower pressing block 23 is disposed at a tail end of an expansion link 22 of the cylinder 21, a lower pipe cavity 24 corresponding to the upper pipe cavity 12 is disposed on a lower end surface of the lower pressing block 23, a coil 25 and a fixing seat 26 supporting the coil 25 are disposed in the lower pipe cavity 24, and when the cylinder 21 controls the expansion link 22 to move downward, the fixing seat 26 compresses the ESC linear pressure increasing valve to prevent the ESC linear pressure increasing valve from rotating; the outer wall of the lower tube cavity 24 is provided with a PWM pulse signal input end 27 connected with the coil 25, the PWM pulse signal input end 27 can enable the coil 25 connected with the PWM pulse signal input end to form a magnetic field through inputting the PWM signal, so that a mover 51 of the ESC linear booster valve drives a push rod 52 to rotate, the opening degree of the ESC linear booster valve is adjusted, and the opening degree of the ESC linear booster valve in a normal state is 100%; the side wall of the lower cavity is also provided with a heat dissipation hole 29.
The side wall of the lower tube cavity 24 is provided with a through hole, and a silencer 28 is arranged in the through hole and used for reducing sound generated when the testing gas circuit detects the ESC linear booster valve.
The telescopic link 22 and the lower pressing block 23 are provided with a lower pressing platform 201, the upper end face of the lower pressing platform 201 is fixed at the tail end of the telescopic link 22 through a connecting block 202, the lower pressing block 23 is fixed at the lower end face of the lower pressing platform 201, the two sides of the lower pressing platform 201 are provided with guide rods 203, the guide rods 203 are sleeved with sliding bearings 204, the sliding bearings 204 are fixed on the support 4, the moving direction of the lower pressing block 23 is limited, and the damage of an ESC linear booster valve caused by device faults is avoided.
As shown in fig. 3, 6, and 7, the testing gas circuit includes a gas source 31 and a flow sensor 32, an output end of the gas source 31 is connected to a duplex piece 33, an output end of the duplex piece 33 is connected to one end of the gas circuit channel, and the gas flow can be introduced into the gas flow channel through the gas source 31, an input end of the flow sensor 32 is connected to the other end of the gas circuit channel, so as to monitor the gas flow of the ESC linear booster valve in real time.
The detection device can be used for detecting the performance of the ESC linear booster valve, and the detection method comprises the following steps:
step 2, controlling the telescopic rod 22 to move downwards through the air cylinder 21, and enabling the fixed seat 26 to tightly press the ESC linear booster valve;
step 3, opening the air source 31, enabling the air flow to pass through the air inlet 13, the ESC linear booster valve, the air outlet 14 and the flow sensor 32, and recording the flow displayed by the flow sensor 32 after the air flow is stable;
step 4, inputting a PWM signal with rated voltage of 12V and period of 0.2ms to a PWM pulse signal input end 27, driving a movable body 51 of the ESC linear booster valve to drive a push rod 52 to rotate slowly by utilizing a magnetic field generated by a coil 25, slowly reducing the opening of the ESC linear booster valve, recording real-time data of a flow sensor 32, and taking a node when the recorded data is obviously reduced as an initial point of the ESC linear booster valve;
step 6, comparing the flow recorded in the step 5 with a standard value to obtain the performance of the ESC linear booster valve;
and 7, controlling the PWM signal, setting the opening of the ESC linear booster valve to be 0, and obtaining the detected flow, namely the airtight leakage value of the ESC linear booster valve.
Therefore, the utility model discloses detection device can improve product quality, and because its simple structure, convenient operation, convenient to popularize and apply.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
Claims (7)
1. The performance detection device of the ESC linear booster valve is characterized by comprising a support for placing the ESC linear booster valve, wherein the support is provided with a plurality of slots
The positioning mechanism is used for positioning the ESC linear booster valve and is provided with a gas path channel communicated with a valve body of the ESC linear booster valve;
the loading mechanism is used for adjusting the opening of the ESC linear booster valve;
and the testing gas circuit is used for connecting the gas circuit channel and realizes the detection of the performance of the ESC linear booster valve by monitoring the gas flow passing through the ESC linear booster valve.
2. The device for detecting the performance of the ESC linear booster valve as claimed in claim 1, wherein the positioning mechanism comprises a solenoid valve mounting seat, an upper pipe cavity for positioning the ESC linear booster valve is arranged on an upper end surface of the solenoid valve mounting seat, the solenoid valve mounting seat is further provided with an air inlet and an air outlet, when the ESC linear booster valve is positioned in the upper pipe cavity, the air inlet end of the ESC linear booster valve is communicated with the air inlet, and the air outlet end of the ESC linear booster valve is communicated with the air outlet.
3. The device for detecting the performance of the ESC linear booster valve as claimed in claim 2, wherein the upper opening of the upper tube cavity is provided with a sealing rubber ring to realize the sealing between the upper tube cavity and the ESC linear booster valve.
4. The device for detecting the performance of the ESC linear booster valve as claimed in claim 2, wherein the loading mechanism is arranged above the positioning mechanism and comprises a cylinder, a lower pressing block is arranged at the end of a telescopic rod of the cylinder, a lower pipe cavity corresponding to the upper pipe cavity is arranged on the lower end surface of the lower pressing block, a coil and a fixing seat for supporting the coil are arranged in the lower pipe cavity, and when the cylinder controls the telescopic rod to move downwards, the fixing seat presses the ESC linear booster valve to prevent the ESC linear booster valve from rotating; the outer wall of the lower pipe cavity is provided with a PWM pulse signal input end connected with a coil, the PWM pulse signal input end can enable the coil connected with the PWM pulse signal input end to form a magnetic field through inputting a PWM signal, a moving body of the ESC linear booster valve is driven to drive a push rod to rotate, the opening degree of the ESC linear booster valve is adjusted, and the opening degree of the ESC linear booster valve in a normal state is 100%; the side wall of the lower tube cavity is also provided with heat dissipation holes.
5. The device for detecting the performance of the ESC linear booster valve as claimed in claim 4, wherein the side wall of the lower tube cavity is provided with a through hole, and a silencer is arranged in the through hole for reducing the sound generated when the test gas circuit detects the ESC linear booster valve.
6. The device for detecting the performance of the ESC linear booster valve as claimed in claim 4, wherein a lower pressing platform is provided between the telescopic rod and the lower pressing block, an upper end surface of the lower pressing platform is fixed at the end of the telescopic rod through a connecting block, the lower pressing block is fixed at a lower end surface of the lower pressing platform, guide rods are provided at both sides of the lower pressing platform, sliding bearings are provided outside the guide rods, and the sliding bearings are fixed on the support to limit the moving direction of the lower pressing block.
7. The performance detection device of the ESC linear booster valve as claimed in claim 1, wherein the testing gas circuit comprises a gas source and a flow sensor, the output end of the gas source is connected with a duplex piece, the output end of the duplex piece is connected with one end of the gas circuit channel, the gas flow can be introduced into the gas circuit channel through the gas source, the input end of the flow sensor is connected with the other end of the gas circuit channel, and the gas flow of the ESC linear booster valve is monitored in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922079295.7U CN210893676U (en) | 2019-11-27 | 2019-11-27 | Performance detection device of ESC linear booster valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922079295.7U CN210893676U (en) | 2019-11-27 | 2019-11-27 | Performance detection device of ESC linear booster valve |
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| Publication Number | Publication Date |
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| CN210893676U true CN210893676U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922079295.7U Active CN210893676U (en) | 2019-11-27 | 2019-11-27 | Performance detection device of ESC linear booster valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749438A (en) * | 2019-11-27 | 2020-02-04 | 杭州沃镭智能科技股份有限公司 | Performance detection device and detection method for ESC linear booster valve |
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2019
- 2019-11-27 CN CN201922079295.7U patent/CN210893676U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749438A (en) * | 2019-11-27 | 2020-02-04 | 杭州沃镭智能科技股份有限公司 | Performance detection device and detection method for ESC linear booster valve |
| CN110749438B (en) * | 2019-11-27 | 2024-06-14 | 杭州沃镭智能科技股份有限公司 | Performance detection device and detection method for ESC linear booster valve |
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