CN2275282Y - Complex parameter detector for railway signal relay - Google Patents
Complex parameter detector for railway signal relay Download PDFInfo
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- CN2275282Y CN2275282Y CN 96244848 CN96244848U CN2275282Y CN 2275282 Y CN2275282 Y CN 2275282Y CN 96244848 CN96244848 CN 96244848 CN 96244848 U CN96244848 U CN 96244848U CN 2275282 Y CN2275282 Y CN 2275282Y
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- detection circuit
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- relay
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Abstract
The utility model relates to a comprehensive parameter tester for railway signal relays, comprising a microcomputer control circuit, a digital control power supply, a voltage and current testing circuit, a liquid crystal display, a switching control circuit, a mechanical characteristic testing device, an armature closing testing circuit, a contact pressure testing device, a contact status testing circuit, a relay socket, a mechanical characteristic testing device, an armature closing testing circuit, a contact pressure testing device, and a contact status testing circuit. The utility model can test the electrical characteristic, the time characteristic, the mechanical characteristic and the contact pressure of the railway signal relay. The utility model has the advantages of complete test function, many test varieties, simple operation, high test precision and fast speed.
Description
The utility model is a kind of railway signal relay comprehensive parameter tester, belong to instrument field, can electrical characteristic, time response and the mechanical property of AX series relay and power supply panel series relay be tested and high precision measurement fast by the regulation of " railway signal relay test method ".
At present, domestic railway signal relay method of testing adopts manual test basically, and test error is big, and efficient is low.A kind of " AX type relay electrical characteristics test platform " only electrical characteristic and time response of 8 kinds of relays of limitation test also arranged, and can't detect the armature of relay group during busy relay working value and close state, coil voltage is a working value in the time of can only connecting with relay tip, and this test result does not meet the regulation of national standard.Aspect testing mechanical characteristic and contact pressure test, still do not find automatic test equipment.
The purpose of this utility model is to solve the deficiency of prior art, successfully develop a kind of railway signal relay comprehensive parameter tester that combines by microcomputer control circuit, high Precision Detection circuit, stepping motor and high-precision pressure sensor, characteristics such as this tester has that wide in variety, the test function of test is complete, test automatically, test speed is fast, precision is high, simple to operate, intuitive display, reliability height.In railway signal relay production, check, maintenance work, important use is arranged.
The utility model provides the railway signal relay comprehensive parameter tester, comprises that microcomputer control circuit, DCPS digitally controlled power source, voltage and current detection circuit, LCD, conversion control circuit, mechanical property checkout gear, armature occlusion detection circuit, contact pressure checkout gear, contact state detection circuit, relay socket, contact state show, temperature sensing circuit.Wherein microcomputer control circuit (1) is connected with numerical control DC high-voltage power supply (3), numerical control Dc low voltage power supply (4), voltage and current detection circuit (8), armature occlusion detection circuit (9), contact state detection circuit (11), LCD (12).Relay socket (13) is connected with reference resistance (2), voltage and current detection circuit (8), armature occlusion detection circuit (9), contact state detection circuit (11).Relay socket (13) is connected with numerical control DC high-voltage power supply (3), numerical control Dc low voltage power supply (4), numerical control AC high voltage source control circuit (5), ac low-voltage power supply transformer (7) by contact.Numerical control AC high voltage source control circuit (5) is connected with numerical control DC high-voltage power supply (3), ac low-voltage power supply transformer (7), ac high voltage source transformer (6).Contact state detection circuit (11) shows that with the contact state (10) are connected.Relay socket (13) links and is useful on the reference resistance (2) that detects measured relay armature closure state.By variable direct current or the alternating voltage of microcomputer control circuit control DCPS digitally controlled power source output, deliver to the output channel of selecting by conversion control circuit, be added on the measured relay, by voltage or current value on the voltage and current detection circuit test measured relay coil, end sheet and iron core contact condition by the armature occlusion detection current detecting armature of relay, detect the relay tip contact condition by the contact state detection circuit, and show the contact on-state by the contact status display circuit.
Be provided with stepping motor (16), mechanical driving device (14) and armature contact-making switch (15) in the mechanical property checkout gear.By the step motor drive mechanical driving device, be used to promote measured relay armature and move, detect mechanical driving device and relay contact condition by the armature contact-making switch.
Comprise in the contact pressure testing apparatus that pressure sensor (18), transmitter (17), test contact (19), pressure transmit plug (20).During test contact contact-relay contact, pressure sensor measures pressure to be changed, and sends through transmitter and pressure transmission plug.
The utlity model has following function:
One, the test kind comprises AX series relay and power supply panel series relay totally 38 kinds.
Two, can test 12 kinds of parameters:
(1) coil resistance; (2) releasing value; (3) working value; (4) reverse operation value; (5) reverse nonoperate value; (6) pole changing value; (7) critical not pole changing value; (8) slow release time and slow pick up time; (9) contact pressure; (10) contact clearance; (11) the common stroke of contact; (12) connector uniform.
With so that the technology ratio to be arranged, the utlity model has following characteristics:
1, test is wide in variety, and prior art can only be tested direct voltage class relay, and the utility model can be tested direct voltage, direct current, alternating voltage, alternating current class relay automatically.
2, test function is complete, and the automatically testing function has electrical characteristic, time response, mechanical property and contact pressure.
3, test speed is fast, precision is high, has two kinds of test modes of fast test and high precision measurement.
4, test process meets national standard, and when surveying the relay working value, coil both end voltage value or current value are working value when ending sheet and contact with iron core with armature.
5, simple to operate, intuitive display.Mode of operation adopts people's one machine conversational mode, test function is presented on the LCD screen in the menu Chinese character mode, the operator selects test function according to the prompting of screen, test result is presented on the LCD screen with Chinese character, numeral and figure hybrid mode, underproof test result shows to flash mode, and test result can store and print.
6, according to perfect automatic protection functions and self-checking function are arranged.
The embodiment that the utility model provides sees accompanying drawing for details, and Fig. 1 is the system block diagram of utility model; Fig. 2 is the electrical characteristics test principle schematic; Fig. 3 is a mechanical property device schematic diagram; Fig. 4 is a contact pressure testing apparatus schematic diagram; Fig. 5 is the current/voltage testing circuit, corresponding to the 8th part among Fig. 2; Fig. 6 is an armature occlusion detection circuit, corresponding to the 9th part among Fig. 2; Fig. 7 is a microcomputer control circuit, corresponding to the part 1 among Fig. 2; Fig. 8 is that the numerical control DC high-voltage power supply is corresponding to the 3rd part among Fig. 2; Fig. 9 is the numerical control Dc low voltage power supply, corresponding to the 4th part among Fig. 2; Figure 10 is the contact state detection circuit, corresponding to the 11st part among Fig. 2; Figure 11 shows for the contact state, corresponding to the 10th part among Fig. 2; Figure 12 is a reference resistance, corresponding to the part 2 among Fig. 2; Figure 13 is a numerical control AC high voltage source control circuit, corresponding to the 5th part among Fig. 2; (12) among Fig. 2 are LCD, buy from the market, and model is MGL240128T, and (13) among Fig. 2 are AX type relay socket, buy from manufacturer.
Number in the figure is (1) microcomputer control circuit, (2) reference resistance, (3) numerical control DC high-voltage power supply, (4) numerical control Dc low voltage power supply, (5) numerical control AC high voltage source control circuit, (6) ac high voltage source transformer, (7) ac low-voltage power supply transformer, (8) voltage and current detection circuit, (9) armature occlusion detection circuit, (10) the contact state shows, (11) contact state detection circuit, (12) LCD, (13) relay socket, (14) mechanical driving device, (15) armature contact-making switch, (16) stepping motor, (17) transmitter, (18) pressure sensor, (19) test contact, (20) pressure transmits plug.
It is as follows that the utility model provides the technical parameter of enforcement: 1 DCPS digitally controlled power source: direct current 0-25V 5A resolution 0.008V direct current 0-240V 1A resolution 0.025V exchanges 0-10V 6A resolution 0.01V and exchanges 0-25V 6A resolution 0.025V and exchange 0-45V 3A resolution 0.05V and exchange 0-220V 1A resolution 0.24V2, vdct precision: ± 0.1%3, direct current measuring accuracy: ± 0.1%4, alternating voltage measuring accuracy: ± 0.5%5, alternating current measuring accuracy: ± 0.5%6, coil resistance measuring accuracy: ± 0.5% measuring range: 1 Ω-100K Ω 7, time response measuring accuracy: ± 0.01%8, contact pressure measuring accuracy: ± 0.1% measuring range: 0-4N resolution: 10mn9, testing mechanical characteristic precision: ± 0.1% resolution: 0.01MM10, supply voltage: 220V ± 15%50HZ11, ambient temperature: 0-+40 ℃ 12, relative humidity :≤85%
Sketch operation principle of the present utility model below in conjunction with accompanying drawing.
Select electric test and measured relay model under LCD (12) prompting, test process is carried out automatically by system controlled by computer.Microcomputer control circuit (1) is selected suitable DCPS digitally controlled power source and test channel according to the measured relay model.
A) the electrical characteristics test principle is as follows:
Test coil resistance:
(1) measures coil resistance and differentiate whether the measured relay model is consistent with the coil resistance of measuring.
(2) survey releasing value: add forward voltage at the measured relay coil, rise to the value of magnetizing gradually, when reducing to whole normally opened contacts disconnection then gradually, measure relay coil both end voltage value or current value.
(3) survey working value: continue relay coil voltage is reduced to zero gradually, the relay coil voltage that raises gradually then when armature ends sheet and contacts with iron core, is measured relay coil both end voltage value or current value.
(4) crystal display of liquor charging as a result that will measure, underproof data occur flashing when showing.
B) the testing mechanical characteristic principle is as follows:
Rotate by microcomputer control circuit (1) control step motor (16), convert angular displacement to straight-line displacement by mechanical driving device (14), mechanical driving device (14) promotes measured relay armature and moves, and detects contact condition and measured relay contact on-state between measured relay armature and the mechanical driving device (14) in the process that mechanical driving device (14) promotes.Microcomputer control circuit (1) can be calculated the electric gap of connecing of measured relay, the common stroke of contact and connector uniform value and deliver to LCD (12) according to the mobile step number of stepping motor (16).
C) the contact pressure test philosophy is as follows:
When surveying contact pressure, the operator holds the contact pressure testing apparatus, preceding end in contact by test contact (19) and measured relay contact also disconnects the measured relay contact, pressure sensor (18) becomes the pressure variation into current signal by transmitter (17) and delivers to microcomputer control circuit (1), microcomputer control circuit (1) is noted the force value that the measured relay contact disconnects moment, delivers to LCD (12).
Claims (6)
1, railway signal relay comprehensive parameter tester is characterized in that being made up of microcomputer control circuit, DCPS digitally controlled power source, voltage and current detection circuit, LCD, conversion control circuit, mechanical property checkout gear, armature occlusion detection circuit, contact pressure checkout gear, contact state detection circuit, relay socket, the demonstration of contact state, temperature sensing circuit; Microcomputer control circuit shows with DCPS digitally controlled power source, LCD, conversion control circuit, voltage and current detection circuit, contact state, temperature sensing circuit is connected; Conversion control circuit is connected with contact state detection circuit, armature occlusion detection circuit, DCPS digitally controlled power source, relay socket, mechanical property checkout gear, contact pressure checkout gear, voltage and current detection circuit; Relay socket is connected with the mechanical property checkout gear.
2,, it is characterized in that microcomputer control circuit (1) is connected with numerical control DC high-voltage power supply (3), numerical control Dc low voltage power supply (4), voltage and current detection circuit (8), armature occlusion detection circuit (9), contact state detection circuit (11), LCD (12) according to the described tester of claim 1; Relay socket (13) is connected with reference resistance (2), voltage and current detection circuit (8), armature occlusion detection circuit (9), contact state detection circuit (11); Relay socket (13) is connected with numerical control DC high-voltage power supply (3), numerical control Dc low voltage power supply (4), numerical control AC high voltage source control circuit (5), ac low-voltage power supply transformer (7) by contact; Numerical control AC high voltage source control circuit (5) is connected with numerical control DC high-voltage power supply (3), ac low-voltage power supply transformer (7), ac high voltage source transformer (6).Contact state detection circuit (11) shows that with the contact state (10) are connected.
3, tester according to claim 1 is characterized in that relay socket (13) links to be useful on the reference resistance (2) that detects measured relay armature closure state.
4, tester according to claim 1 is characterized in that being provided with in the mechanical property checkout gear and is used to promote stepping motor (16), mechanical driving device (14) and the armature contact-making switch (15) that measured relay armature moves.
5, tester according to claim 1 is characterized in that ac high voltage source transformer (6) and numerical control AC high voltage source control circuit (5) in the DCPS digitally controlled power source.
6, tester according to claim 1 is characterized in that comprising in the contact pressure testing apparatus pressure sensor (18), transmitter (17), and test contact (19), pressure transmits plug (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96244848 CN2275282Y (en) | 1996-02-16 | 1996-11-28 | Complex parameter detector for railway signal relay |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96204486 | 1996-02-16 | ||
| CN96204486.5 | 1996-02-16 | ||
| CN 96244848 CN2275282Y (en) | 1996-02-16 | 1996-11-28 | Complex parameter detector for railway signal relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2275282Y true CN2275282Y (en) | 1998-02-25 |
Family
ID=34065720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96244848 Expired - Fee Related CN2275282Y (en) | 1996-02-16 | 1996-11-28 | Complex parameter detector for railway signal relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2275282Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354983B (en) * | 2007-07-23 | 2011-09-14 | 中国铝业股份有限公司 | Method and apparatus for debugging contact unevenness degree of signal relay |
| CN102636748A (en) * | 2012-05-07 | 2012-08-15 | 苏州热工研究院有限公司 | Multi-factor detection system for ageing state of electromagnetic relay and ageing state estimation method |
| CN102854425A (en) * | 2012-09-29 | 2013-01-02 | 北京博润宏达科技发展有限公司 | High-speed electromagnetic valve performance detection system |
| CN106154156A (en) * | 2016-09-23 | 2016-11-23 | 上海地铁维护保障有限公司 | Relay contact analog control system table apparatus |
| CN106371009A (en) * | 2016-09-23 | 2017-02-01 | 上海地铁维护保障有限公司 | Test device and test method of safety type relay |
| CN108279342A (en) * | 2018-01-18 | 2018-07-13 | 肇庆市众自动化设备有限公司 | A kind of different voltage performance test system of element |
-
1996
- 1996-11-28 CN CN 96244848 patent/CN2275282Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101354983B (en) * | 2007-07-23 | 2011-09-14 | 中国铝业股份有限公司 | Method and apparatus for debugging contact unevenness degree of signal relay |
| CN102636748A (en) * | 2012-05-07 | 2012-08-15 | 苏州热工研究院有限公司 | Multi-factor detection system for ageing state of electromagnetic relay and ageing state estimation method |
| CN102854425A (en) * | 2012-09-29 | 2013-01-02 | 北京博润宏达科技发展有限公司 | High-speed electromagnetic valve performance detection system |
| CN106154156A (en) * | 2016-09-23 | 2016-11-23 | 上海地铁维护保障有限公司 | Relay contact analog control system table apparatus |
| CN106371009A (en) * | 2016-09-23 | 2017-02-01 | 上海地铁维护保障有限公司 | Test device and test method of safety type relay |
| CN108279342A (en) * | 2018-01-18 | 2018-07-13 | 肇庆市众自动化设备有限公司 | A kind of different voltage performance test system of element |
| CN108279342B (en) * | 2018-01-18 | 2021-07-23 | 肇庆市众一自动化设备有限公司 | Different voltage performance test system of component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |