CN204594700U - A kind of barostat is performance test bed - Google Patents
A kind of barostat is performance test bed Download PDFInfo
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- CN204594700U CN204594700U CN201520316264.8U CN201520316264U CN204594700U CN 204594700 U CN204594700 U CN 204594700U CN 201520316264 U CN201520316264 U CN 201520316264U CN 204594700 U CN204594700 U CN 204594700U
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- barostat
- gas
- measured
- performance test
- test bed
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Abstract
A kind of barostat is performance test bed, belongs to automotive test apparatus field.It is characterized in that, comprise control panel (1) and the cabinet (6) for supporting control panel (1), barostat to be measured (17) is fixed on cabinet (6) top, cabinet (6) inside is provided with the gas circuit test cell for testing barostat to be measured (17), and gas circuit test cell is connected with barostat to be measured (17) by the air-path interface (4) be arranged on control panel (1).Performance test bed by this barostat, can measure the parameter of automobile pressure regulator, to judge the quality of barostat, avoid the situation occurring brake fault because of barostat performance fault, thus ensure that traffic safety.
Description
Technical field
A kind of barostat is performance test bed, belongs to automotive test apparatus field.
Background technology
In the brake system of existing vehicle, air-pressure brake because its braking moment is large, pedal travel is short, it is light to handle, practical advantage reliably and become one of more mode of braking of application.Pressure regulator valve is as the functional device in Pneumatic braking system, and its effect is that air drum is remained in the air pressure range of regulation, and after exceeding regulation air pressure, realizes the off-load idle running of air compressor machine, when lower than the air pressure specified, air compressor machine is reworked.Pressure regulator valve is different according to the mounting means in Pneumatic braking system, is divided into two classes: barostat and off-load pressure regulator valve.
In the schematic diagram of barostat as shown in Figure 3, during actual use, the air intake opening 25 of barostat connects air drum, and gas outlet 30 connects air compressor machine off-load air chamber, and exhausr port 29 connects air.Core pipe 27 and diaphragm 24 are fixed together, and move up and down with diaphragm 24.When core pipe 27 contacts with valve block 28, air intake opening 25 and gas outlet 30 disconnect.When valve block 28 contacts with housing 26, gas outlet 30 and air disconnect.When valve block 28 moves down under the effect of core pipe 27, valve block 28 leaves housing 26, and gas outlet 30 is communicated with air.Its course of work is as follows: time initial, contact under the effect of core pipe 27 spring above it with valve block 28, and air intake opening 25 and gas outlet 30 disconnect.Along with the rising of air intake opening 25 air pressure, diaphragm 24 gradually on move, gases at high pressure export through gas outlet 30.After pressure release terminates, diaphragm 24 resets under the action of the spring, and core pipe 27 contacts with valve block 28 again, and air intake opening 25 and gas outlet 30 disconnect.
In barostat, be also provided with exsiccator, carry out drying for the gases at high pressure that will enter in barostat, prevent brake gas from causing corrosion because humidity is excessive to auto parts and components.From the above, barostat plays a part very important in the Pneumatic braking system of automobile, once barostat breaks down, then directly can affect the braking ability of automobile.In the prior art, also cannot test the performance of barostat, therefore designing a kind ofly can become problem demanding prompt solution to the equipment that automobile pressure regulator performance is tested.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, there is provided a kind of to measure the parameter of automobile pressure regulator, to judge the quality of barostat, avoid the situation occurring brake fault because of barostat performance fault, thus ensure that the barostat of traffic safety is performance test bed.
The utility model solves the technical scheme that its technical matters adopts: this barostat is performance test bed, it is characterized in that, comprise control panel and the cabinet for supporting control panel, barostat to be measured is fixed on above cabinet, cabinet inside is provided with the gas circuit test cell for testing barostat to be measured, gas circuit test cell is connected with barostat to be measured by the air-path interface arranged on the control panel, is provided with the multiple buttons for input control order on the control panel simultaneously.
Preferably, described gas circuit test cell comprises the test gas gas supply mechanism be connected with the air intake opening of described barostat to be measured and the test gas recovering mechanism be connected with the gas outlet of barostat to be measured.
Preferably, in described test gas gas supply mechanism, source of the gas is by connecting the first gas tank after pipeline successively in-line filter, stop valve, retaining valve and barostat, the outlet of the first gas tank is connected and is connected the air intake opening of barostat to be measured after the first solenoid valve, and the pipeline between the first gas tank and air intake opening is also provided with inlet condition detection module.
Preferably, the first described gas tank is connected with the first tensimeter.
Preferably, described inlet condition detection module comprises admission pressure transmitter and air inlet humiture transducer.
Preferably, described test gas recovering mechanism comprises the second gas tank be connected with the gas outlet of barostat to be measured, second gas tank is connected with the second solenoid valve and the second tensimeter, the connecting line of the second gas tank and gas outlet is provided with parameter detection module of giving vent to anger.
Preferably, described parameter detection module of giving vent to anger comprises outlet pressure transmitter and humiture transducer of giving vent to anger.
Preferably, in described control panel, be provided with the host computer of control described gas circuit test cell work and the multiple buttons for input control signal.
Compared with prior art, the beneficial effect that the utility model has is:
1, performance test bed by this barostat, can measure the parameter of automobile pressure regulator, to judge the quality of barostat, avoid the situation occurring brake fault because of barostat performance fault, thus ensure that traffic safety.
2, by arranging admission pressure transmitter and outlet pressure transmitter, can measure the opening pressure of barostat to be measured and closing presure, to judge the quality of pressure governor, test philosophy is simple and reliable.
3, by arranging air inlet humiture transducer and humiture transducer of giving vent to anger can measure the humidity entering and export in the air of barostat to be measured, achieve the test to pressure governor device for dring inner part, avoid the corrosion that auto parts and components are caused caused because exsiccator damages.
4, the drafting of test curve in whole test process can be realized by arranging host computer, scalability is better, higher storage and the analysis being simultaneously easy to data of intelligence degree.
Accompanying drawing explanation
Fig. 1 is the performance test bed structural representation of barostat.
Fig. 2 is barostat performance test bed test gas circuit test cell connection diagram.
Fig. 3 is existing barostat structural representation.
Wherein: 1, control panel 2, test instrumentation 3, display screen 4, air-path interface 5, control button 6, cabinet 7, filtrator 8, stop valve 9, retaining valve 10, barostat 11, first gas tank 12, first solenoid valve 13, air inlet humiture transducer 14, first tensimeter 15, electro connecting pressure gauge 16, admission pressure transmitter 17, barostat 18 to be measured, protective valve 19, to give vent to anger humiture transducer 20, outlet pressure transmitter 21, second solenoid valve 22, second gas tank 23, second tensimeter 24, diaphragm 25, air intake opening 26, housing 27, core pipe 28, valve block 29, exhausr port 30, gas outlet.
Embodiment
Fig. 1 ~ 2 are most preferred embodiments of the present utility model, are described further below in conjunction with accompanying drawing 1 ~ 3 pair of the utility model.
As shown in Figure 1, barostat is performance test bed, comprises control panel 1 and the cabinet 6 for supporting control panel 1.Control panel 1 is provided with multiple test instrumentation 2, for when testing barostat, test parameter (as force value) is shown in real time, the below of control panel 1 is provided with multiple air-path interface 4, for test source of the gas is connected with the corresponding interface of barostat, in control panel 1, be also provided with host computer, the display screen 3 of host computer is opened on control panel 1.Also be respectively arranged with a button shaft collar in the both upper ends thereof of control panel 1, each button shaft collar is evenly equipped with multiple control button 5 for input control signal.
Being provided with many fans in cabinet 6 front portion can the door of folding, the gas circuit test cell that this barostat is performance test bed is provided with in cabinet 6, the above-mentioned air-path interface 4 be arranged on control panel 1 is all accessed in gas circuit test cell by pipeline, realizes the performance test to master cylinder.
In the schematic diagram of the barostat shown in Fig. 3; be provided with air intake opening 25, gas outlet 30 and exhausr port 29; expansion interface is also provided with in the barostat of some big buses; in actual use; according to the difference of concrete wheel count (four-wheel or six is taken turns), four loops or six loop protection valves can be connected.
As shown in Figure 2, in the gas circuit test cell that this barostat is performance test bed, source of the gas, by connecting the first gas tank 11 after pipeline successively in-line filter 7, stop valve 8, retaining valve 9 and barostat 10, is connected with the first tensimeter 14 in the side of the first gas tank 11 by pipeline.The outlet of the first gas tank 11 connects the air inlet port (air intake opening 25 namely in Fig. 3) of barostat 17 to be measured by pipeline, be in series with the first solenoid valve 12 in pipeline between the first gas tank 11 and barostat to be measured 17, be provided with air inlet humiture transducer 13 and admission pressure transmitter 16 simultaneously.The air outlet (gas outlet 30 namely in Fig. 3) of barostat 17 to be measured connects the second gas tank 22 by pipeline, the side of the second gas tank 22 is separately installed with the second tensimeter 23 and the second solenoid valve 21 by two pipelines, and the connecting line of barostat 17 to be measured and the second gas tank 22 is provided with give vent to anger humiture transducer 19 and outlet pressure transmitter 20 simultaneously.In exhaust port (exhausr port 29 namely in Fig. 3) exit of barostat 17 side to be measured, electro connecting pressure gauge 15 is installed.If the barostat that barostat 17 to be measured is big bus, expand on interface at it and also can connect protective valve 18, protective valve 18, according to the difference of wheel count, can connect four loops or six loop protection valves.
Specific works process and principle of work as follows:
Before starting test, pressure-air in source of the gas enters the first gas tank 11 through filtrator 7, stop valve 8, retaining valve 9 and barostat 10 successively, the air pressure entering the first gas tank 11 is adjusted to the pressure needed for test by barostat 10, by the first tensimeter 14, the pressure in first gas tank 11 indicated after gas enters the first gas tank 11.
When starting to test, opened by PC control first solenoid valve 12, gases at high pressure access in barostat 17 to be measured, composition graphs 3, when gas is after air intake opening 25 enters in barostat 17 to be measured, contact with valve block 28 under the effect of core pipe 27 spring above it, air intake opening 25 and gas outlet 30 disconnect.Along with the rising gradually of pressure, the curve of the pressure that admission pressure transmitter 16 records is the curve risen gradually, when reach air pressure and be enough large and by the spring jack-up above core pipe 27 after, air intake opening 25 and gas outlet 30 UNICOM, gases at high pressure export from gas outlet 30 and enter in the second gas tank 22 through give vent to anger humiture transducer 19 and outlet pressure transmitter 20 successively.The opening pressure pressure in spring jack-up moment being barostat 17 to be measured that admission pressure transmitter 16 records.
When pressure is after releasing in gas outlet 30, the pressure that admission pressure transmitter 16 records reduces gradually, the curve now recording force value is the curve declined gradually, when entering the insufficient pressure of barostat 17 to be measured with during by spring jack-up, diaphragm 24 resets under the action of the spring, and core pipe 27 contacts with valve block 28 again, and air intake opening 25 and gas outlet 30 disconnect, in the process of falling under stress, the minimum pressure that admission pressure transmitter 16 records is the closing presure of barostat 17 to be measured.A test process terminates, and enters next pressure test sequence.In this barostat is performance test bed, as required, the test of multiple test process can be realized by host computer.The opening pressure of barostat to be measured 17 recorded by admission pressure transmitter 16 in multiple test loop and the value of closing presure and the specified opening pressure of barostat to be measured 17 and closing presure value are compared, and judge the performance of barostat 17 to be measured.The difference of the gas humidity simultaneously recorded with air inlet humiture transducer 13 according to humiture transducer 19 of giving vent to anger, judges the quality of barostat device for dring inner part.
Admission pressure transmitter 16 is connected with host computer with outlet pressure transmitter 20, being gathered the pressure in whole test process by host computer and complete the drafting of pressure curve, humiture transducer 19 of giving vent to anger is connected with host computer with air inlet humiture transducer 13 simultaneously.
Gases at high pressure, after gas outlet 30 enters the second gas tank 22, are detected the pressure in the second gas tank 22 by the second tensimeter 23, and by the second solenoid valve 21, the pressure in second gas tank 22 are kept within the specific limits.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (8)
1. a barostat is performance test bed, it is characterized in that, comprise control panel (1) and the cabinet (6) for supporting control panel (1), barostat to be measured (17) is fixed on cabinet (6) top, cabinet (6) inside is provided with the gas circuit test cell for testing barostat to be measured (17), and gas circuit test cell is connected with barostat to be measured (17) by the air-path interface (4) be arranged on control panel (1).
2. barostat according to claim 1 is performance test bed, it is characterized in that: described gas circuit test cell comprises the test gas gas supply mechanism be connected with the air intake opening (25) of described barostat to be measured (17) and the test gas recovering mechanism be connected with the gas outlet (30) of barostat to be measured (17).
3. barostat according to claim 2 is performance test bed, it is characterized in that: in described test gas gas supply mechanism, by pipeline, in-line filter (7), stop valve (8), retaining valve (9) and barostat (10) connect the first gas tank (11) to source of the gas afterwards successively, the outlet of the first gas tank (11) the first solenoid valve (12) of connecting connects the air intake opening (25) of barostat to be measured (17) afterwards, and the pipeline between the first gas tank (11) and air intake opening (25) is also provided with inlet condition detection module.
4. barostat according to claim 3 is performance test bed, it is characterized in that: on described the first gas tank (11), be connected with the first tensimeter (14).
5. barostat according to claim 3 is performance test bed, it is characterized in that: described inlet condition detection module comprises admission pressure transmitter (16) and air inlet humiture transducer (13).
6. barostat according to claim 2 is performance test bed, it is characterized in that: described test gas recovering mechanism comprises the second gas tank (22) be connected with the gas outlet of barostat to be measured (17) (30), second gas tank (22) is connected with the second solenoid valve (21) and the second tensimeter (23), the connecting line of the second gas tank (22) with gas outlet (30) is provided with parameter detection module of giving vent to anger.
7. barostat according to claim 6 is performance test bed, it is characterized in that: described parameter detection module of giving vent to anger comprises outlet pressure transmitter (20) and humiture transducer of giving vent to anger (19).
8. barostat according to claim 1 is performance test bed, it is characterized in that: be provided with in described control panel (1) and control the host computer of described gas circuit test cell work and the multiple buttons for input control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520316264.8U CN204594700U (en) | 2015-05-16 | 2015-05-16 | A kind of barostat is performance test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520316264.8U CN204594700U (en) | 2015-05-16 | 2015-05-16 | A kind of barostat is performance test bed |
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| Publication Number | Publication Date |
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| CN204594700U true CN204594700U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520316264.8U Expired - Fee Related CN204594700U (en) | 2015-05-16 | 2015-05-16 | A kind of barostat is performance test bed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014606A (en) * | 2017-06-13 | 2017-08-04 | 北京科荣达航空设备科技有限公司 | The method that release of pressure characteristic curve test is carried out to slide gas cylinder adjuster |
| CN111750157A (en) * | 2020-07-06 | 2020-10-09 | 中汽研汽车检验中心(宁波)有限公司 | Pneumatic manual and electric adjusting device for adhesion coefficient utilization rate test |
-
2015
- 2015-05-16 CN CN201520316264.8U patent/CN204594700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014606A (en) * | 2017-06-13 | 2017-08-04 | 北京科荣达航空设备科技有限公司 | The method that release of pressure characteristic curve test is carried out to slide gas cylinder adjuster |
| CN111750157A (en) * | 2020-07-06 | 2020-10-09 | 中汽研汽车检验中心(宁波)有限公司 | Pneumatic manual and electric adjusting device for adhesion coefficient utilization rate test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150826 Termination date: 20160516 |