CN218584344U - Brake response test system - Google Patents
Brake response test system Download PDFInfo
- Publication number
- CN218584344U CN218584344U CN202222034692.4U CN202222034692U CN218584344U CN 218584344 U CN218584344 U CN 218584344U CN 202222034692 U CN202222034692 U CN 202222034692U CN 218584344 U CN218584344 U CN 218584344U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- brake
- supply pipeline
- pressure sensor
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model provides a braking response test system belongs to vehicle braking and detects technical field. The device comprises a test host, a simulation device and a pressure sensor; the simulation device is electrically connected with the test host and used as an energy storage system of the vehicle to be tested during testing; the pressure sensor is electrically connected with the test host and is used for being installed on a brake chamber of a vehicle to be tested; the simulator comprises an air cylinder, an air supply pipeline, a control pipeline and a pressure relief pipeline which are connected to the air cylinder, and an energy supply pipeline which is connected to the air supply pipeline. The utility model discloses an install the pressure sensor that awaits measuring on the trailer brake chamber of awaiting measuring and with the analogue means that awaits measuring the trailer braking system and be connected, can test the braking response time and the braking release time of trailer to automatic recording analysis test data can judge whether the brake performance of vehicle meets the requirements.
Description
Technical Field
The utility model belongs to the technical field of the vehicle braking detects, concretely relates to braking response test system.
Background
The braking performance is an important index of the overall performance of the trailer, and the braking response time of the trailer represents the speed of the trailer responding to the operation of a brake pedal of the tractor, so that the braking distance of the trailer and the braking coordination between the tractor and the trailer are directly influenced. The national standard GB12676-2014 "technical requirements and test methods for commercial vehicles and trailer brake systems" specifies the test methods and limit requirements for trailer brake response times. For a trailer which is not connected with a motor vehicle, when the braking response time test is carried out on the trailer, a simulation device is needed to replace the motor vehicle and is used for providing an energy storage system for the trailer, so that the simulation device is arranged in the system for carrying out the braking response time test on the trailer in the prior art.
For example, patent document CN208842391U proposes a portable integrated measuring device for trailer air brake response time, which includes a simulated brake trigger, a tractor air path simulation device, and a data acquisition unit; the simulation brake trigger comprises a manual mechanical valve body and an accessory and is connected with the tractor gas circuit simulation device; the tractor gas circuit simulation device comprises a gas storage device, a pipeline damping adjusting device and a pipeline pressure collector; one part of the pipeline pressure collector is fixed on the upper part of the tractor gas circuit simulation device and is connected with the gas storage device, and the other part of the pipeline pressure collector is connected with a brake chamber of the trailer to be detected; the pipeline pressure collector is connected with the data collector through an analog input channel; the data acquisition unit is also connected with an upper computer. However, in the simulation device of the measuring device, only one pipeline pressure collector is used for pressure monitoring, and the pressure condition of each pipeline of the simulation device cannot be accurately judged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, to prior art not enough, provide a braking response test system for brake response performance to the vehicle tests.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a brake response test system comprises a test host, a simulation device and a pressure sensor;
the simulation device is electrically connected with the test host and used as an energy storage system of the vehicle to be tested during testing;
the pressure sensor is electrically connected with the test host and is used for being installed on a brake chamber of a vehicle to be tested;
the simulator comprises an air cylinder, an air supply pipeline, a control pipeline and a pressure relief pipeline which are connected to the air cylinder, and an energy supply pipeline which is connected to the air supply pipeline.
Furthermore, an air supply pipeline joint is arranged at the end part of the air supply pipeline, and is connected with the air cylinder after being sequentially connected with a pressure reducing valve, an inflation solenoid valve and a one-way valve in series;
the end part of the control pipeline is provided with a control pipeline joint and is connected with the air reservoir after being sequentially connected with the damping hole and the braking solenoid valve in series; the control pipeline is also connected with a release solenoid valve in series between the damping hole and the brake solenoid valve through a branch pipeline;
an energy supply pipeline joint is arranged at the end part of the energy supply pipeline, the other end of the energy supply pipeline is connected with the air supply pipeline, and the connection position is located between the pressure reducing valve and the inflation electromagnetic valve;
one end of the pressure relief pipeline is connected with the air storage cylinder, and the other end of the pressure relief pipeline is provided with a pressure relief electromagnetic valve;
the inflation solenoid valve, the brake solenoid valve, the release solenoid valve and the pressure release solenoid valve are all electrically connected with the test host.
Furthermore, the simulation device also comprises an air storage cylinder pressure sensor, an energy supply pipeline pressure sensor and a control pipeline pressure sensor;
the air cylinder pressure sensor is connected with the air cylinder;
the energy supply pipeline pressure sensor is connected with the energy supply pipeline;
the control pipeline pressure sensor is connected with the control pipeline, and the connection position is positioned between the damping hole and the control pipeline joint;
the air reservoir pressure sensor control pipeline pressure sensor with energy supply pipeline pressure sensor all with test host computer electric connection.
Further, a pressure gauge is further arranged on the energy supply pipeline.
Furthermore, a safety valve is arranged on the air storage cylinder.
Furthermore, silencers are arranged at the downstream of the release electromagnetic valve and the pressure relief electromagnetic valve.
Further, still include with test host computer electric connection's brake action inductive pick-up, brake action inductive pick-up passes through the strong magnet and adsorbs in the brake pivot of the await measuring vehicle brake pedal.
Furthermore, a bubble level gauge is arranged on the reference surface of the brake action induction sensor.
Compared with the prior art, the utility model discloses beneficial effect as follows:
the utility model discloses an install the pressure sensor that awaits measuring on the trailer brake chamber of awaiting measuring and with the analogue means that awaits measuring the trailer braking system and be connected, can test the braking response time and the braking release time of trailer, can judge whether the trailer brake performance meets the requirements with test data. The test system is also provided with a brake action induction sensor which can respond to the brake action of the motor vehicle, so that the test system can also test the brake response time of the motor vehicle.
The utility model discloses be provided with a plurality of pressure sensor on the analogue means, these pressure sensor can with test host electric connection, make the pressure situation of each pipeline of monitoring analogue means that test host can be convenient, pressure data when the monitoring record tests. The air supply pipeline of the simulation device is provided with the pressure reducing valve, and the pressure reducing valve can adjust the air supply pressure and can avoid the overlarge air supply pressure; after the air supply pressure is adjusted to a specified value (such as 0.65MPa or 0.67 MPa) through the pressure reducing valve, the pressure of the air storage cylinder after the air storage cylinder is inflated is also the value, so that the air storage cylinder can be inflated to the specified pressure at one time, and the pressure is prevented from being adjusted in a pressure relief mode after the air storage cylinder is over inflated. Still be provided with the silencer on the analogue means, can avoid the analogue means to send sharp-pointed sound when discharging gas pressure release.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1: schematic diagram of embodiment 1 of the present invention;
FIG. 2: the schematic diagram of embodiment 2 of the present invention;
FIG. 3: the embodiment 2 of the utility model provides an installation schematic diagram of a brake action induction sensor;
wherein: 1-an air storage cylinder, 11-an air storage cylinder pressure sensor, 12-a safety valve, 2-an air supply pipeline, 21-an air supply pipeline joint, 22-a pressure reducing valve, 23-an air inflation electromagnetic valve, 24-a one-way valve, 3-a control pipeline, 31-a control pipeline joint, 32-a brake electromagnetic valve, 33-a damping hole, 34-a control pipeline pressure sensor, 35-a release electromagnetic valve, 4-an energy supply pipeline, 41-an energy supply pipeline joint, 42-an energy supply pipeline pressure sensor, 43-a pressure gauge, 5-a pressure release pipeline, 51-a pressure release electromagnetic valve, 6-a silencer, 7-a test host, 71-a pressure sensor, 72-a brake action induction sensor, 721-a mounting bracket, 722-strong magnets, 723-a bubble level gauge, 9-a brake pedal and 91-a brake rotating shaft.
Detailed Description
For a better understanding of the present invention, the following embodiments and the accompanying drawings are used to further clarify the content of the present invention, but the protection of the present invention is not limited to the following embodiments. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example 1:
referring to fig. 1, the present embodiment is directed to a braking response testing system, which includes a simulation apparatus 8, a test host 7, and a pressure sensor 71.
The simulation device 8 is used as an energy storage system of a vehicle to be tested, and comprises an air storage cylinder 1, an air supply pipeline 2, a control pipeline 3 and a pressure relief pipeline 5 which are connected to the air storage cylinder 1, and an energy supply pipeline 4 which is connected to the air supply pipeline 2.
The air cylinder 1 is a sealed tank, is used for storing compressed air and is an energy storage device for brake response test. In the specific implementation, the capacity of the air cylinder 1 is 30L.
The air supply pipeline 2 is used for filling compressed air into the air storage cylinder 1, an air supply pipeline joint 21 is arranged at the end part of the air supply pipeline 2, and the air supply pipeline joint is connected with the air storage cylinder 1 after being sequentially connected with a pressure reducing valve 22, an inflation electromagnetic valve 23 and a one-way valve 24 in series. The air supply pipeline joint 21 is used for connecting an external air source; the pressure reducing valve 22 is used for adjusting the air supply pressure to avoid overlarge inflation pressure; the inflation solenoid valve 23 is used for opening or closing the air supply pipeline 2 to start inflation or close inflation; the check valve 24 can prevent the gas in the gas cylinder 1 from leaking out of the gas supply line 2 without affecting the inflation.
The control pipeline 3 is used for connecting a control pipeline of a vehicle service braking system to be tested, a control pipeline joint 31 is arranged at the end part of the control pipeline 3, and the control pipeline joint is connected with the air storage cylinder 1 after being sequentially connected with a damping hole 33 and a brake electromagnetic valve 32 in series. The orifice 33 is used to slow the flow of gas in the control line 3 and the brake solenoid valve 32 is used to open or close the control line 3. The control pipe 3 is further connected in series with a release solenoid valve 35 via a branch pipe between the orifice 33 and the brake solenoid valve 32, and the release solenoid valve 35 is used to discharge the gas in the control pipe 3. In specific implementation, the diameter of the damping hole 33 is 4mm-4.3mm, the length of the pipeline between the damping hole 33 and the control pipeline joint 31 (including the joint) is 2.5m, and the inner diameter is 13mm.
The energy supply pipeline 4 is used for connecting an energy supply pipeline of a vehicle service braking system to be tested, an energy supply pipeline joint 41 is arranged at the end part of the energy supply pipeline 4, and the other end of the energy supply pipeline is connected between the pressure reducing valve 22 and the air charging electromagnetic valve 23 of the air supply pipeline 2. After the gas storage cylinder 1 is inflated, the gas pressure in the energy supply pipeline 4 is the same as that of the gas storage cylinder 1.
The pressure relief pipeline 5 is used for releasing gas in the air cylinder 1, one end of the pressure relief pipeline is connected with the air cylinder 1, and the other end of the pressure relief pipeline is connected with a pressure relief electromagnetic valve 51 in series.
Meanwhile, in order to detect the gas pressure of each component of the simulation device 8, the embodiment further comprises a gas cylinder pressure sensor 11 arranged on the gas cylinder 1, a pressure gauge 43 and a power supply pipeline pressure sensor 42 arranged on the power supply pipeline 4, and a control pipeline pressure sensor 34 arranged between the damping hole 33 and the control pipeline connector 31 on the control pipeline 3. The pressure gauge 43 can visually display the gas pressure in the gas supply pipeline 2 and the energy supply pipeline 4, can display the pressure reduction effect of the pressure reduction valve 22, and is convenient to adjust as required.
In order to avoid danger caused by overhigh pressure of the air storage cylinder 1, a safety valve 12 is further arranged on the air storage cylinder 1 and can automatically discharge overhigh pressure gas. The release solenoid valve 35 and the pressure relief solenoid valve 51 make a sharp sound when discharging gas, and therefore, the present embodiment also provides a muffler 6 downstream (in the gas discharge direction) of the release solenoid valve 35 and the pressure relief solenoid valve 51.
The test host 7 is an electronic device for controlling the simulation device 8, acquiring and recording pressure data of the sensor, and analyzing a test result. The test host 7 has a processor and a memory, and can perform data processing and storage, and in specific implementation, the test host 7 may be a computer device such as a computer, or a portable electronic device. The inflation solenoid valve 23, the brake solenoid valve 32, the release solenoid valve 35 and the pressure relief solenoid valve 51 are electrically connected with the test host 7 and can be opened or closed under the control of the test host 7; the air cylinder pressure sensor 11, the control pipeline pressure sensor 34 and the energy supply pipeline pressure sensor 42 are all electrically connected with the test host 7, and the test host 7 can acquire corresponding pressure data.
The pressure sensor 71 is installed on the service brake chamber of the vehicle to be tested and is electrically connected with the test host 7.
In the specific implementation of the embodiment, the models of the inflation solenoid valve 23, the brake solenoid valve 32, the release solenoid valve 35 and the pressure relief solenoid valve 51 are all 110-4E1-J42, and the models of the air reservoir pressure sensor 11, the control line pressure sensor 34, the energy supply line pressure sensor 42 and the pressure sensor 71 are all ME50.
The test system described in this embodiment is capable of testing the brake response time and the brake release time of a trailer.
The brake response time test steps of the trailer are as follows:
1. connecting a control pipeline joint 31 with a control pipeline of a trailer braking system to be tested, connecting an energy supply pipeline joint 41 with an energy supply pipeline of the trailer braking system to be tested, and connecting an air supply pipeline joint 21 with an external air source;
2. installing a pressure sensor 71 on a test joint of a brake chamber of a trailer to be tested;
3. opening an external air source to start air supply, and adjusting the pressure reducing valve 22 until the pressure value of the energy supply pipeline 4 is 0.65MPa;
4. the test host 7 is operated to open the inflation solenoid valve 23, start inflation to the air storage cylinder 1, and close the inflation solenoid valve 23 and an external air source after the pressure value of the air storage cylinder 1 is stabilized at 0.65MPa;
5. the test host 7 opens the release electromagnetic valve 35, and closes the release electromagnetic valve 35 after the pressure in the control pipeline 3 is zero;
6. starting the test, monitoring and recording the data of each pressure sensor by the test host 7, then automatically opening the brake solenoid valve 32, and completing the test after the pressure value of the brake air chamber of the trailer to be tested is stable;
7. after the test is finished, the pressure relief solenoid valve 51 and the release solenoid valve 35 are opened to release the gas in the simulation device.
The brake release time test steps of the trailer are as follows:
1. connecting a control pipeline joint 31 with a control pipeline of a trailer braking system to be tested, connecting an energy supply pipeline joint 41 with an energy supply pipeline of the trailer braking system to be tested, and connecting an air supply pipeline joint 21 with an external air source;
2. installing a pressure sensor 71 on a test joint of a brake chamber of a trailer to be tested;
3. opening an external air source to start air supply, and adjusting the pressure reducing valve 22 until the pressure value of the energy supply pipeline 4 is 0.67MPa;
4. the test host 7 is operated to open the inflation solenoid valve 23 and the brake solenoid valve 32, start inflation to the air reservoir 1, and close the inflation solenoid valve 23, the brake solenoid valve 32 and an external air source after the pressure value of the air reservoir 1 is stabilized at 0.67MPa, at this time, the pressure value of the brake air chamber of the trailer to be tested is also stabilized at 0.67MPa;
5. starting the test, monitoring and recording the data of each pressure sensor by the test host 7, then automatically opening the release solenoid valve 35, and finishing the test when the pressure value of the brake chamber of the trailer to be tested is stably close to zero;
6. after the test is finished, the pressure relief solenoid valve 51 and the release solenoid valve 35 are opened to release the gas in the simulation device.
Example 2:
referring to fig. 2-3, the braking response testing system of the present embodiment further includes a braking action sensing sensor 72 electrically connected to the testing host 7, compared to embodiment 2, the braking action sensing sensor 72 is used for sensing a braking action and sending an action signal to the testing host 7.
As shown in fig. 3, an L-shaped mounting bracket 721 is provided on the braking operation sensing sensor 72, and a strong magnet 722 is provided on the mounting bracket 721. When the brake motion sensor 72 is installed, it is attached to the brake shaft 91 of the brake pedal 9 by the strong magnet 722. In order to ensure accurate sensing data, the reference surface (top surface) of the braking operation sensing sensor 72 should be in a horizontal state after installation, and therefore, a bubble level 723 is further disposed on the reference surface (top surface) of the braking operation sensing sensor 72, so that a worker can adjust the horizontal state of the braking operation sensing sensor 72 during installation.
The brake action induction sensor 72 is internally provided with an inclination angle sensor with the model of ZCT-IMU101, and the test host 7 can induce the brake action according to the inclination angle change.
The test system of the embodiment can test the brake response time of the motor vehicle, and the test steps are as follows:
1. installing a pressure sensor 71 on an energy storage device of a vehicle to be tested and a test joint of each brake chamber;
2. installing a brake action induction sensor 72 on a brake rotating shaft 91 of a vehicle brake pedal 9 to be tested;
3. starting the test host 7 to monitor and record data of the pressure sensor 71 and the brake action sensing sensor 72;
4. the brake pedal 9 is quickly stepped down, and the test is finished after the air pressure of each brake air chamber is stable.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A brake response testing system, characterized by: the device comprises a test host, a simulation device and a pressure sensor;
the simulation device is electrically connected with the test host and used as an energy storage system of the vehicle to be tested during testing;
the pressure sensor is electrically connected with the test host and is used for being installed on a brake chamber of a vehicle to be tested;
the simulator comprises an air cylinder, an air supply pipeline, a control pipeline and a pressure relief pipeline which are connected to the air cylinder, and an energy supply pipeline which is connected to the air supply pipeline.
2. The brake response testing system of claim 1, wherein: an air supply pipeline joint is arranged at the end part of the air supply pipeline and is connected with the air cylinder after being sequentially connected with a pressure reducing valve, an inflation solenoid valve and a one-way valve in series;
the end part of the control pipeline is provided with a control pipeline joint and is connected with the air storage cylinder after being sequentially connected with a damping hole and a brake solenoid valve in series; the control pipeline is also connected with a release solenoid valve in series between the damping hole and the brake solenoid valve through a branch pipeline;
an energy supply pipeline joint is arranged at the end part of the energy supply pipeline, the other end of the energy supply pipeline is connected with the air supply pipeline, and the connection position is located between the pressure reducing valve and the inflation electromagnetic valve;
one end of the pressure relief pipeline is connected with the air storage cylinder, and the other end of the pressure relief pipeline is provided with a pressure relief electromagnetic valve;
the inflation solenoid valve, the brake solenoid valve, the release solenoid valve and the pressure release solenoid valve are all electrically connected with the test host.
3. The brake response testing system of claim 2, wherein: the simulation device also comprises an air storage cylinder pressure sensor, an energy supply pipeline pressure sensor and a control pipeline pressure sensor;
the air cylinder pressure sensor is connected with the air cylinder;
the energy supply pipeline pressure sensor is connected with the energy supply pipeline;
the control pipeline pressure sensor is connected with the control pipeline, and the connection position is positioned between the damping hole and the control pipeline joint;
the air reservoir pressure sensor control pipeline pressure sensor with energy supply pipeline pressure sensor all with test host computer electric connection.
4. The brake response testing system of claim 1, wherein: and a pressure gauge is also arranged on the energy supply pipeline.
5. The brake response testing system of claim 1, wherein: the air cylinder is also provided with a safety valve.
6. The brake response testing system of claim 2, wherein: and silencers are arranged at the downstream of the release electromagnetic valve and the pressure relief electromagnetic valve.
7. The brake response testing system of claim 1, wherein: still include with test host computer electric connection's brake action inductive transducer, brake action inductive transducer passes through the strong magnet and adsorbs in the brake pivot of the vehicle brake pedal that awaits measuring.
8. The brake response testing system of claim 7, wherein: and a bubble level meter is arranged on the reference surface of the brake action induction sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222034692.4U CN218584344U (en) | 2022-08-03 | 2022-08-03 | Brake response test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222034692.4U CN218584344U (en) | 2022-08-03 | 2022-08-03 | Brake response test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218584344U true CN218584344U (en) | 2023-03-07 |
Family
ID=85360938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222034692.4U Active CN218584344U (en) | 2022-08-03 | 2022-08-03 | Brake response test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218584344U (en) |
-
2022
- 2022-08-03 CN CN202222034692.4U patent/CN218584344U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5396422A (en) | Method for detecting malfunctions in a motor vehicle | |
| CN109357887B (en) | Bench test device for simulating plateau braking of automobile and using method thereof | |
| US5425266A (en) | Apparatus and method for non-intrusive testing of motor vehicle evaporative fuel systems | |
| CN103868702B (en) | Brakes test equipment and method | |
| US6425282B2 (en) | Portable single car test device | |
| US5509296A (en) | Arrangement for the stationary leak testing of tank venting systems | |
| CN109375610B (en) | Test system and test method for control unit of urban rail vehicle frame control | |
| CN218584344U (en) | Brake response test system | |
| WO2006092548A1 (en) | Safety valve testing | |
| CN106768704A (en) | For the portable air-tightness detection device and method of motor train unit train maintenance | |
| CN201083591Y (en) | Silencer air tightness detection device | |
| CN109883734B (en) | Brake control system test bed and test method | |
| EP1676027B1 (en) | Method of testing a fuel injection valve for a diesel engine | |
| CN100516815C (en) | Automatic testing method and apparatus for performance of breathing relief valve | |
| CN101839963B (en) | Quick action emergency valve automatic checkout system | |
| CN203037466U (en) | Truck brake system performance testing device | |
| CN206440442U (en) | A kind of container leakage detection apparatus | |
| CN111076907B (en) | Automobile electromagnetic valve tightness, pressure resistance and opening pressure testing device | |
| CN109707371B (en) | Device and method for rapidly measuring drilling depth of coal seam | |
| WO2007107725A1 (en) | Sensor determination of safety valve condition rating | |
| CN112879070B (en) | Performance simulation test method for vertical air shaft explosion door | |
| CN214096604U (en) | Railway vehicle brake performance test device | |
| CN208476547U (en) | A kind of trailer braking protection valve response time measuring device | |
| CN219573491U (en) | Test bed for multi-element detection | |
| CN211013416U (en) | Gas circuit control box test bench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |