CN202171529U - Dynamic performance test system for integrated mediator - Google Patents
Dynamic performance test system for integrated mediator Download PDFInfo
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- CN202171529U CN202171529U CN2011202773932U CN201120277393U CN202171529U CN 202171529 U CN202171529 U CN 202171529U CN 2011202773932 U CN2011202773932 U CN 2011202773932U CN 201120277393 U CN201120277393 U CN 201120277393U CN 202171529 U CN202171529 U CN 202171529U
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Abstract
The utility model discloses a dynamic performance test system for an integrated mediator. The dynamic performance test system comprises an air compressor, wherein the air compressor is in air circuit connection with an air storage barrel, an electrical control valve, a pressure regulating valve and the integrated mediator through a first pipeline in sequence, an air outlet of a left valve body corresponding to the integrated mediator is connected with a first air storage tank and a first pressure sensor through a second pipeline in sequence, an air outlet of a right valve body corresponding to the integrated mediator is connected with a second air storage tank and a second pressure sensor through a third pipeline in sequence, and a test controller is respectively and electrically connected with a PC (personal computer) test unit, the electrical control valve, the integrated mediator, the first pressure sensor and the second pressure sensor. The test system can simultaneously test the left valve body and the right valve body so as to have high testing efficiency and visual comparison, can independently judge the pressurization rate and the depressurization rate of the left valve body and the right valve body and can automatically judge whether the test result is up to standard; and by adopting the test system, the recognition of bar codes of products can be realized, the test operation is simple and convenient, and the display interface of the test result is friendly and visual.
Description
Technical field
The utility model relates to a kind of test macro, relates in particular to a kind of integrated regulator dynamic performance testing system, is used for detecting the dynamic property of trailer integrated form ABS regulator.
Background technology
The implementation energetically of the raising of Along with people's awareness of safety and state's laws, rules; The utilization rate of trailer anti-lock braking system (being called for short ABS) is increasingly high; ABS can control the slippage of wheel effectively, and the stability when improving automobile brake shortens braking distance; Regulator is the important composition parts of ABS; Be the topworks of system, what be suitable for regulator that trailer ABS uses and be a kind of integrated two passages has F.F., puts relay valve with electric control function soon, and solenoid valve is made up of three groups of coils; The state of pressurization, pressurize and decompression when working through the synthetic ABS of the action group of these three groups of coils; These performances of regulator directly have influence on the final effect of ABS, and are therefore, essential to the regulator performance detection.At present; Also not having a kind of special testing apparatus to trailer combination formula regulator, all is the test pattern of using traditional single valve body, and one time test process can only be tested monolateral valve body; This testing efficiency is low, and not directly perceived to the performance comparison of left and right two valve bodies.
The utility model content
The purpose of the utility model is to overcome the problem that exists in the prior art, and a kind of simple, convenient and testing efficiency is high integrated regulator dynamic performance testing system is provided.
For realizing above-mentioned purpose; Said integrated regulator dynamic performance testing system; Be characterized in; Comprise that the said air compressor of air compressor forms gas circuit with air drum, electrically-controlled valve, pressure regulator valve and integrated regulator in order through first pipeline and is connected; One gas outlet of the left valve barrel of corresponding integrated regulator forms gas circuit with first gas-holder and first pressure transducer in order through second pipeline and is connected, and a gas outlet of the right valve barrel of corresponding integrated regulator forms gas circuit with second gas-holder and second pressure transducer in order through the 3rd pipeline and is connected; All the other gas outlets of corresponding said left valve barrel are sealed by a test fixture, and all the other gas outlets of corresponding said right valve barrel are sealed by said test fixture; Said first, second gas-holder is respectively equipped with first rain glass and second rain glass; And, also comprising test controller, said test controller forms circuit with PC test cell, electrically-controlled valve, integrated regulator, first pressure transducer and second pressure transducer respectively and is connected.
Preferably, said integrated regulator dynamic performance testing system also comprises with said PC test cell and forms bar code scan unit that circuit is connected and direct-flow voltage regulation source, testing button and the relay indicating light that is connected with test controller formation circuit respectively; Be used to provide the said direct-flow voltage regulation source of working power to be connected with relay indicating light, integrated regulator and electrically-controlled valve formation circuit respectively.
Preferably, said first, second pressure transducer is preferably the current mode pressure transducer.
Preferably, the capacity of said air drum is 40L, and the capacity of first, second gas-holder is 1L.
The beneficial effect of the utility model is:
(1) carry out simultaneously to the test of left valve barrel and right valve barrel, testing efficiency is high, and performance comparison is directly perceived;
(2) can independently judge left and right valve body rate of pressurization and decompression rate difference;
(3) can carry out the record of life test and testing time automatically;
(4) can realize recognition product bar mark sign indicating number;
(5) has the test mode of operation that tong is prevented in safeguard protection;
(6) can judge automatically whether test result is qualified;
(7) test operation is simple, convenient, and the test result display interface is friendly, directly perceived.
Description of drawings
The gas circuit that Fig. 1 shows the described integrated regulator dynamic performance testing of the utility model system connects block diagram.
The circuit that Fig. 2 shows the described integrated regulator dynamic performance testing of the utility model system connects block diagram.
Fig. 3 shows the test result figure of the described integrated regulator dynamic performance testing of the utility model system.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
The gas circuit that Fig. 1 shows said integrated regulator dynamic performance testing system connects block diagram; As shown in Figure 1; The source of the gas air supply system of said integrated regulator dynamic performance testing system comprises air compressor 1, and this air compressor 1 forms gas circuits with air drum 2, electrically-controlled valve 3, pressure regulator valve 4 and integrated regulator 5 in order through first pipeline 101 and is connected.Said integrated regulator 5 forms gas circuit with first gas-holder 6 with first pressure transducer 62 in order through second pipeline 102 and is connected, and said first gas-holder 6 is provided with first rain glass 61; Said integrated regulator 5 also forms gas circuit with second gas-holder 7 with second pressure transducer 72 in order through the 3rd pipeline 103 and is connected, and said second gas-holder 7 is provided with second rain glass 71.
Particularly, said air compressor 1 effect is to be compressed to the needed pressure of test to air; Because the action of a large amount of decompressions is arranged in the process of test; In order to stablize the pressure of integrated regulator 5 air intake openings; Therefore before air compressor 1 inserts integrated regulator 5, will connect a jumbo air drum 2 through first pipeline 101, the capacity of being preferably is the 40L air drum; Be connected with electrically-controlled valve 3 and pressure regulator valve 4 through first pipeline 101 between said air drum 2 and the integrated regulator 5, the effect of said pressure regulator valve 4 is to the required pressure of test pressure stability.
Said integrated regulator 5 is electromagnetic relay valves of integrated two passage two-chambers, has two air intake openings, primary air inlet and guide's air intake opening.Primary air inlet connects the air drum on the trailer in actual use, and guide's air intake opening connects master cylinder.When using the said integrated regulator dynamic performance testing of the utility model system,, be connected to guide's air intake opening and primary air inlet through first pipeline 101 output terminal of pressure regulator valve 4 for convenient test; In addition, integrated regulator 5 is integrated two valve bodies, left valve barrel and right valve barrel; Air intake opening is shared, and the gas outlet is independent, and said left and right valve body respectively has three gas outlets; Three gas outlets of corresponding each valve body communicate fully, in actual use, three gas outlets of a corresponding valve body are received three brake chambers of the single wheel of three-axle trailer respectively; The use test anchor clamps are blocked two gas outlets of each valve body, only keep a gas outlet respectively; The gas outlet of the reservation that left valve barrel is corresponding connects first gas-holder 6 through second pipeline 102; The gas outlet of the reservation that right valve barrel is corresponding connects second gas-holder 7 through the 3rd pipeline 103; Wherein, the capacity of said first, second gas-holder 6,7 is preferably 1 liter; First gas-holder 6 that is provided with first rain glass 61 forms gas circuit through second pipeline 102 with first pressure transducer 62 and is connected, and second gas-holder 7 that is provided with second rain glass 71 forms gas circuit through the 3rd pipeline 103 with second pressure transducer 72 and is connected.Can obtain the performance of said integrated regulator 5 through the change procedure of testing first gas-holder 6 and second gas-holder, 7 internal pressures, said first, second rain glass 61,71 is used for demarcating the pressure that revision program is calculated.
The circuit that Fig. 2 shows said integrated regulator dynamic performance testing system connects block diagram; As shown in Figure 2; Said integrated regulator dynamic performance testing system comprises test controller 8, and said test controller 8 forms circuit with PC test cell 9, electrically-controlled valve 3, integrated regulator 5, first pressure transducer 62 and second pressure transducer 72 respectively and is connected.Said integrated regulator dynamic performance testing system also comprises bar code scan unit 10, direct-flow voltage regulation source 11, testing button 12 and relay indicating light 13.Wherein, Said bar code scan unit 10 forms circuit with PC test cell 9 and is connected; Said direct-flow voltage regulation source 11, testing button 12 and relay indicating light 13 form circuit with test controller 8 respectively and are connected; And said direct-flow voltage regulation source 11 forms circuit with relay indicating light 13, integrated regulator 5 with electrically-controlled valve 3 respectively and is connected, to relay indicating light 13, integrated regulator 5 and electrically-controlled valve 3 the galvanic current source to be provided, to support its operate as normal.
Particularly; Said test controller 8 is as the vitals of this test macro; Be the core of whole test system, mainly form, wherein by power supply stabilization circuit, signal input interface circuit, RS232 communication interface circuit, single chip circuit, driving circuit for electromagnetic valve, pressure sensor signal treatment circuit harmony, light warning driving circuit; Power supply stabilization circuit has the function of filtering, step-down and voltage stabilizing, for chip operation provides required voltage; Signal input interface circuit is handled the input of various switching value signals, handles through interface circuit, delivers to the I/O mouth of single-chip microcomputer; RS232 communication interface circuit converts Transistor-Transistor Logic level into the RS232 level, and is continuous with the serial ports (DB9) of PC test cell 9, is responsible for the information transmission between test controller 8 and the PC test cell 9; Single chip circuit is the core of test controller 8, is responsible for processing, computing and the driving output of various input informations; Driving circuit for electromagnetic valve comprises the driving of electrically-controlled valve 3 and the driving of integrated regulator 5.
Said test controller 8 links to each other with PC test cell 9 through serial ports.For stability and the antijamming capability that improves system; Said first and second pressure transducers 71,72 are preferably the pressure transducer of current mode; Output current is 4～20mADC, and range is 0～1Mp, and the electric current of first, second pressure transducer 71,72 outputs is through the signal processing circuit filtering of test controller 8; Convert the A/D conversion mouthful of delivering to single-chip microcomputer behind the voltage to, test controller 8 is delivered to PC test cell 9 to the data after the A/D conversion through serial ports again.
Said bar code scan unit 10 connects PC test cell 9 through USB interface, is used for reading the bar code on the integrated regulator 5.Said PC test cell 9 is used to be provided with various measurement parameters and shows test results; In the course of work; Said PC test cell 9 sends to test controller 8 to the various measurement parameters that set through serial ports; Test controller 8 removes to drive integrated regulator 5 with relevant parameters, is transmitted back to PC test cell 9 to the pressure data of testing in the driving process again, and PC test cell 9 is received after the data through analyzing, calculating; Draw out the pressure-time curve figure that tests; And the supercharging difference between the maximum pressure of testing, minimum pressure, life-span number of times, rate of pressurization, decompression rate and the left and right valve body and the decompression difference be presented on the interface, the data of testing are with green font data representing test passes, if with red literal data representing test failure.
The concrete test process of said integrated regulator dynamic performance testing system is following, and direct-flow voltage regulation source 11 is to the each several part power supply that is electrically connected with it, and relay indicating light 13 is lighted; The work of source of the gas air supply system; Assurance reaches the needed pressure of test; Through PC test cell 9 corresponding serial ports parameter and performance test parameter are set, wherein performance parameter comprises aerating time, evacuation time, retention time, long row's time, aerating number of times, exhaust number of times and test duration.After setting parameter, the condition code scanning element scans the bar code of integrated regulator 5, and bar code is input in the PC test cell 9, and the data file of test result is a name nominating with this bar code, guarantees that test result is corresponding one by one with material object.Place integrated regulator 5 to be tested on the test fixture, both hands are pressed the testing button 12 on the test board simultaneously, and test fixture clamps integrated regulator 5, and test controller 8 control electrically-controlled valve 3 are opened, with the air intake opening air feed to integrated regulator 5; PC test cell 9 softwares send to test controller 8 with the test parameter that sets; Test controller 8 drives integrated regulator 5 with relevant parameters, and regulator is done the action of corresponding pressurization, pressurize and step-down, and in the process of above-mentioned action; With the continuous sampled pressure data of very high frequency; Be recycled to PC test cell 9 to this pressure data, be depicted as pressure-time curve after said PC test cell 9 is responsible for the data that receive are calculated, analyze and show, the maximum pressure of testing simultaneously, minimum pressure, rate of pressurization, decompression rate and left and right valve body rate of pressurization difference value and left and right valve body decompression rate difference value show; Above-mentioned test data is if show with green literal; Then represent test passes,, then represent test failure if show with red literal.After test result all shows; Both hands are pressed the testing button 12 on the test board simultaneously, and test controller 8 is closed electrically-controlled valve 3, cut off the source of the gas of integrated regulator 5 air intake openings; Open the exhausr port of integrated regulator 5; Discharge residual gas, said afterwards test fixture is opened automatically, and test process is accomplished.
Fig. 3 shows the test result of said integrated regulator dynamic performance testing system to a tested integrated regulator 5, and test parameter is provided with as follows: evacuation time 10ms, retention time 10ms, aerating time 10ms, grow row time 100ms, aerating number of times 20 times, subtract gas number of times 20 times and test duration 0.9s.Test result comprises data division and curved portion; Wherein, the test data result of corresponding left valve barrel is following: maximum pressure 0.515Mp, minimum pressure 0.145Mp, rate of pressurization 0.89Mp/s, decompression rate 0.74Mp/s; Supercharging difference 0.00Mp/s, decompression difference 0.00Mp/s; The test data result of corresponding right valve barrel is following: maximum pressure 0.510Mp, minimum pressure 0.140Mp, rate of pressurization 0.89Mp/s, decompression rate 0.74Mp/s, supercharging difference 0.00Mp/s, decompression difference 0.00Mp/s.More than show by green font for the test data of left and right valve body, show test passes.The pressure time variation diagram in time that comprises corresponding left valve barrel and right valve barrel among the pressure-time curve figure of test result; By two curves; Can draw for test parameter simultaneously; The reaction of left and right valve body is almost consistent, in conjunction with above-mentioned test data, shows that tested integrated regulator 5 is qualified.
Being merely the utility model preferred embodiment in sum, is not the practical range that is used for limiting the utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to the technological category of the utility model.
Claims (4)
1. integrated regulator dynamic performance testing system is characterized in that:
Comprise air compressor; Said air compressor forms gas circuit with air drum, electrically-controlled valve, pressure regulator valve and integrated regulator in order through first pipeline and is connected; One gas outlet of the left valve barrel of corresponding integrated regulator forms gas circuit with first gas-holder and first pressure transducer in order through second pipeline and is connected, and a gas outlet of the right valve barrel of corresponding integrated regulator forms gas circuit with second gas-holder and second pressure transducer in order through the 3rd pipeline and is connected; All the other gas outlets of corresponding said left valve barrel are sealed by a test fixture, and all the other gas outlets of corresponding said right valve barrel are sealed by said test fixture; Said first, second gas-holder is respectively equipped with first rain glass and second rain glass; And,
Also comprise test controller, said test controller forms circuit with PC test cell, electrically-controlled valve, integrated regulator, first pressure transducer and second pressure transducer respectively and is connected.
2. according to the said integrated regulator dynamic performance testing of claim 1 system, it is characterized in that: also comprise with said PC test cell forming bar code scan unit that circuit is connected and direct-flow voltage regulation source, testing button and the relay indicating light that is connected with test controller formation circuit respectively; Be used to provide the said direct-flow voltage regulation source of working power to be connected with relay indicating light, integrated regulator and electrically-controlled valve formation circuit respectively.
3. according to claim 1 or 2 said integrated regulator dynamic performance testing systems, it is characterized in that: said first, second pressure transducer is preferably the current mode pressure transducer.
4. according to the said integrated regulator dynamic performance testing of claim 3 system, it is characterized in that: the capacity of said air drum is 40L, and the capacity of first, second gas-holder is 1L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202773932U CN202171529U (en) | 2011-08-02 | 2011-08-02 | Dynamic performance test system for integrated mediator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202773932U CN202171529U (en) | 2011-08-02 | 2011-08-02 | Dynamic performance test system for integrated mediator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202171529U true CN202171529U (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202773932U Expired - Fee Related CN202171529U (en) | 2011-08-02 | 2011-08-02 | Dynamic performance test system for integrated mediator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202171529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371095A (en) * | 2019-07-23 | 2019-10-25 | 一汽解放汽车有限公司 | A kind of service braking system and vehicle |
| CN110538773A (en) * | 2019-09-10 | 2019-12-06 | 江苏兴达钢帘线股份有限公司 | Pretreatment coating boron secondary pressure stabilizing device |
-
2011
- 2011-08-02 CN CN2011202773932U patent/CN202171529U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110371095A (en) * | 2019-07-23 | 2019-10-25 | 一汽解放汽车有限公司 | A kind of service braking system and vehicle |
| CN110371095B (en) * | 2019-07-23 | 2020-09-18 | 一汽解放汽车有限公司 | Service braking system and vehicle |
| CN110538773A (en) * | 2019-09-10 | 2019-12-06 | 江苏兴达钢帘线股份有限公司 | Pretreatment coating boron secondary pressure stabilizing device |
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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 |
Granted publication date: 20120321 Termination date: 20140802 |
|
| EXPY | Termination of patent right or utility model |