CN206020619U - A kind of portable relay tester - Google Patents
A kind of portable relay tester Download PDFInfo
- Publication number
- CN206020619U CN206020619U CN201621015395.3U CN201621015395U CN206020619U CN 206020619 U CN206020619 U CN 206020619U CN 201621015395 U CN201621015395 U CN 201621015395U CN 206020619 U CN206020619 U CN 206020619U
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- 238000005070 sampling Methods 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 16
- 230000000051 modifying Effects 0.000 claims description 13
- 230000036772 blood pressure Effects 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000003137 locomotive Effects 0.000 abstract description 4
- 230000001070 adhesive Effects 0.000 abstract description 3
- 239000000853 adhesives Substances 0.000 abstract description 3
- 238000004801 process automation Methods 0.000 abstract 1
- 230000000875 corresponding Effects 0.000 description 12
- 230000005611 electricity Effects 0.000 description 10
- 230000003750 conditioning Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000008358 core component Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
Abstract
A kind of portable relay tester disclosed in this utility model, 110V power supplys provide running voltage for relay, adjustable power of direct current provides the test voltage of voltage variable for relay, 5V power supplys are connected processor and monitor power supply, relay includes coil and multigroup contact portion circuit, every group of contact portion circuit all corresponds to two contact selection circuits, each contact selection circuit is correspondingly connected with a processor controlled optional connection circuit, using series connection voltage divider principle measuring coil and contact resistance, connect different contact selection circuits to test relay status and be obtained coil adhesive, the time of release and magnitude of voltage.A kind of portable relay tester of the present utility model can be carried to cut-in relay on locomotive and be detected, the self-cleaning test in contact, contact resistance test, coil resistance test, action voltage test can be carried out simultaneously and relay status are tested, which has the advantages that easy to use, test process automation degree is high.
Description
Technical field
This utility model belongs to testing equipment technical field, and in particular to a kind of portable relay tester.
Background technology
Simtt B400 types relay is used for railway electric locomotive, cab signal is controlled as performs device.?
In customary locomotive inspection and repair, staff needs to pull down relay from car body, then bringing back ground, to fix test equipment enterprising
Row detection, puts in back after the completion of detection in car body, and this detection method not only wastes time and energy, and due to needing to pull down detection,
Also very inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of portable relay tester, detects after solving existing dismounting
Pattern exist time-consuming bothersome and inconvenient problem.
The technical scheme adopted by this utility model is：A kind of portable relay tester, including 5V power supplys, 110V electricity
Source and adjustable power of direct current, 110V power supplys provide running voltage for relay, and adjustable power of direct current provides voltage for relay can
The test voltage of change, 5V power supplys are connected processor and monitor power supply,
Relay includes that coil and multigroup contact portion circuit, every group of contact portion circuit all correspond to two contacts and select electricity
Road, each contact selection circuit are correspondingly connected with a processor controlled optional connection circuit, multiple optional connection electricity
Measuring resistance is in series with after the parallel connection of road, and standard resistor at two terminals accesses processor after being connected with the first over-sampling modulate circuit, multiple tactile
Point selection circuit accesses processor after being respectively connected to multi-channel sampling modulate circuit,
Each contact selection circuit is in series with a light-coupled isolation device, after multiple light-coupled isolation device parallel connections at access
Reason device,
Coil is connected with the optional connection circuit of a processor controlled test, and coil connects electricity with test with optional
Route 110V power supplys are powered or are powered by adjustable power of direct current, and when being powered by adjustable power of direct current, coil is used with test can
Choosing is connected after circuit two ends are connected with the second sample circuit and accesses processor,
Coil is also associated with the optional connection circuit of a processor controlled measurement, measures with optional connection circuit string
Measurement resistance is associated with, processor is accessed after being connected with the 3rd sampled point road in measurement resistance two ends.
The characteristics of this utility model, also resides in,
Divider resistance is also associated with after multiple optional connection circuit in parallel.
5V power supplys are obtained by AC-DC/RAS20-5-W power module blood pressure lowerings by 220V electric mains.
110V power supplys are obtained by AC-DC/RAS50-110-W power module blood pressure lowerings by 220V electric mains.
Adjustable power of direct current is obtained by HSPY-120-01 power module blood pressure lowerings by 220V civil powers.
Model STM32F407ZGT6 of processor.
The beneficial effects of the utility model are：A kind of portable relay tester of the present utility model solves existing
The time-consuming bothersome and inconvenient problem that the pattern detected after dismounting is present.A kind of portable relay of the present utility model is surveyed
Examination instrument can be carried to cut-in relay on locomotive and be detected, and can carry out the self-cleaning test in contact, contact resistance survey simultaneously
Examination, coil resistance test, action voltage test and to relay status test, which has easy to use, test process automatic
The high advantage of change degree.
Description of the drawings
Fig. 1 is that a kind of portable relay tester of the present utility model carries out the self-cleaning circuit structure diagram in contact；
Fig. 2 is a kind of circuit structure diagram of portable relay tester metering contact contact resistance of the present utility model；
Fig. 3 is a kind of circuit structure diagram of portable relay tester measuring coil resistance of the present utility model；
Fig. 4 is a kind of portable relay tester test mode of the present utility model and the circuit structure of pickup time
Figure；
Fig. 5 is a kind of circuit structure diagram of portable relay tester test action voltage of the present utility model.
Specific embodiment
A kind of portable relay tester that this utility model is provided includes 5V power supplys, 110V power supplys and direct current adjustable electric
Source, 110V power supplys provide running voltage for relay, and adjustable power of direct current provides the test voltage of voltage variable, 5V for relay
Power supply is connected processor and monitor power supply,
Relay includes that coil and multigroup contact portion circuit, every group of contact portion circuit all correspond to two contacts and select electricity
Road, each contact selection circuit are correspondingly connected with a processor controlled optional connection circuit, multiple optional connection electricity
Measuring resistance is in series with after the parallel connection of road, and standard resistor at two terminals accesses processor after being connected with the first over-sampling modulate circuit, multiple tactile
Point selection circuit accesses processor after being respectively connected to multi-channel sampling modulate circuit,
Each contact selection circuit is in series with a light-coupled isolation device, after multiple light-coupled isolation device parallel connections at access
Reason device,
Coil is connected with the optional connection circuit of a processor controlled test, and coil connects electricity with test with optional
Route 110V power supplys are powered or are powered by adjustable power of direct current, and when being powered by adjustable power of direct current, coil is used with test can
Choosing is connected after circuit two ends are connected with the second sample circuit and accesses processor,
Coil is also associated with the optional connection circuit of a processor controlled measurement, measures with optional connection circuit string
Measurement resistance is associated with, processor is accessed after being connected with the 3rd sampled point road in measurement resistance two ends.
With reference to the accompanying drawings and detailed description this utility model is described in detail.
The relay to be measured of the present embodiment includes coil KA and four groups of identical contact portion circuits, respectively B1, B2, B3
And B4, every group of contact portion circuit correspond to two contact selection circuits respectively, specifically, the corresponding contacts of contact portion circuit B1
Selection circuit C1 contact selection circuit C2 corresponding with A1, contact portion circuit B2 contact choosings corresponding with A2, contact portion circuit B3
Select circuit C3 contact selection circuit C4 and A4 corresponding with A3, contact portion circuit B4.Each contact selection circuit is correspondingly connected with
One processor controlled optional connection circuit for cut-offfing, specifically, the corresponding optional connection circuit K1 of contact selection circuit C1 are touched
The corresponding optional connection circuit K3 of the corresponding optional connection circuit K2 of point selection circuit A1, contact selection circuit C2, contact selection circuit
The corresponding optional connection circuit K5 of the corresponding optional connection circuit K4 of A2, contact selection circuit C3, contact selection circuit A3 are corresponding optional
Connect circuit K6, the corresponding optional connection circuit K7 of contact selection circuit C4, the corresponding optional connection circuit K8 of contact selection circuit A4.
Coil KA is connected with the processor controlled test that cut-offs with optional connection circuit K9；Above-mentioned eight contacts select electricity
Road is in parallel again after being each in series with a light-coupled isolation device S to send into access processor after the second sample circuit.
Coil KA is also associated with the processor controlled measurement that cut-offs with optional connection circuit K10, optional connection circuit K10
Processor is accessed after connecting the 3rd over-sampling modulate circuit in the measurement resistance R3 of known resistance, measurement resistance R3 two ends.
Divider resistance R2 is also associated with after above-mentioned eight optional connection circuit in parallel.
Measuring resistance R1 is also associated with after above-mentioned eight optional connection circuit in parallel, measuring resistance R1 two ends are connected to first
Processor is accessed after over-sampling modulate circuit；Above-mentioned eight contact selection circuits are respectively connected to wherein the eight of multi-channel sampling modulate circuit
Processor is accessed behind road.
Example, 5V power supplys can be obtained by AC-DC/RAS20-5-W power module blood pressure lowerings by 220V electric mains.
110V power supplys can be obtained by AC-DC/RAS50-110-W power module blood pressure lowerings by 220V electric mains.
Adjustable power of direct current is obtained by the power module blood pressure lowering of HSPY-120-01 by 220V civil powers, adjustable power of direct current
Voltage range be 0-120V.
Model STM32F407ZGT6 of processor.
The core component of the first sampling conditioning unit, the second sampling conditioning unit and the 3rd sampling conditioning unit is all with fortune
It is core component to calculate amplifier INA118.
5V power supplys are processor, display, the first over-sampling modulate circuit, the second over-sampling modulate circuit, the 3rd sampling conditioning
Circuit and multiple optional connection circuits, test are powered with optional connection circuit with optional connection circuit and measurement.
Referring to Fig. 1, when carrying out contact and being self-cleaning, it is powered for coil KA by 110V power supplys, eight contacts select electricity
The contact resistance on road is controlled to connect one by one by processor and is processed, and clears up surface by the electric arc that contact disjunction is produced
Oxide, wherein divider resistance R2 are used for current limliting, and so as to adjust the electric current being added on contact, test value can be existed by processor
Display shows.
Referring to Fig. 2, during metering contact contact resistance, it is known that the resistance of measuring resistance R1, electric when 110V is accessed for coil KA
During source, the partial pressure of measuring resistance R1 accesses processor again after sending into the first sampling conditioning unit and understands that contact selection circuit is successively
The optional connection circuit ON controlled by processor, when a contact selection circuit is connected, remaining contact selection circuit breaks
Open, the loop of connection is accessed processor again and understood after voltage signal is sent into multi-channel sampling modulate circuit, due to measuring resistance R1
Resistance is known and identical with the contact selection circuit electric current that connects by R1, therefore can obtain the contact resistance resistance of the electric shock.
Referring to Fig. 3, during the resistance of measuring coil KA, supply voltage is provided by 110V power supplys, is connected measurement and is used optional connection
Circuit K10, coil KA are connected with R3, and processor first passes through the partial pressure value that the 3rd over-sampling modulate circuit obtains measurement resistance R3, root
Equal according to partial pressure value and both electric currents, with reference to the resistance value that the method for seeking contact resistance above can try to achieve coil KA.
During referring to Fig. 4, test mode and pickup time, test is connected with optional connection circuit K9, using 110V power supplys pair
Relay to be measured is powered, and is connected using one optional circuit of connecting of processor control, and remaining optional connection circuit disconnects, according to tactile
Whether the on-state of point is normal to judge relay function to be measured, while the pickup time of relay to be measured can also be tested.
Referring to Fig. 5, during test action voltage, part to be measured is that coil KA and its contact, 110V power supplys power for contact, direct current
Regulated power supply provides variable voltage for coil KA, connects test and is connected with optional connection circuit K9, by the second sampling conditioning electricity
Road obtains the voltage signal of coil KA and sends in processor, and then processor controls optional connection circuit ON accordingly, control
Device determines that according to the change of electric shock state coil KA starts adhesive and decontrols the moment, while coil KA adhesives, release can be measured
When magnitude of voltage.
Claims (6)
1. a kind of portable relay tester, it is characterised in that including 5V power supplys, 110V power supplys and adjustable power of direct current, institute
Stating 110V power supplys and running voltage being provided for relay, the adjustable power of direct current provides the test of voltage variable for the relay
Voltage, the 5V power supplys are connected processor and monitor power supply,
The relay includes that coil and multigroup contact portion circuit, every group of contact portion circuit all correspond to two contact choosings
Circuit is selected, each contact selection circuit described is correspondingly connected with an optional connection circuit by processor control, institute
Measuring resistance is in series with after stating multiple optional connection circuit in parallel, the standard resistor at two terminals is connected with the first over-sampling modulate circuit
After access the processor, the plurality of contact selection circuit accesses the process after being respectively connected to multi-channel sampling modulate circuit
Device,
Each contact selection circuit described is in series with a light-coupled isolation device, and the plurality of light-coupled isolation device parallel connection is followed by
Enter the processor,
The coil is connected with an optional connection circuit of the test by processor control, and the coil is used with test can
Choosing is connected circuit and is powered or powered by adjustable power of direct current by 110V power supplys, when being powered by adjustable power of direct current, the line
Circle accesses the processor with test with optional connection after circuit two ends are connected with the second sample circuit,
The coil is also associated with an optional connection circuit of the measurement by processor control, and the measurement is connect with optional
Circuit passband is in series with measurement resistance, and the processor is accessed after being connected with the 3rd sampled point road in the measurement resistance two ends.
2. a kind of portable relay tester as claimed in claim 1, it is characterised in that the plurality of optional connection circuit
Divider resistance is also associated with after parallel connection.
3. a kind of portable relay tester as claimed in claim 1, it is characterised in that the 5V power supplys are exchanged by 220V
Civil power is obtained by AC-DC/RAS20-5-W power module blood pressure lowerings.
4. a kind of portable relay tester as claimed in claim 1, it is characterised in that the 110V power supplys are handed over by 220V
Stream civil power is obtained by AC-DC/RAS50-110-W power module blood pressure lowerings.
5. a kind of portable relay tester as claimed in claim 1, it is characterised in that the adjustable power of direct current by
220V civil powers are obtained by HSPY-120-01 power module blood pressure lowerings.
6. a kind of portable relay tester as claimed in claim 1, it is characterised in that the model of the processor
STM32F407ZGT6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015395.3U CN206020619U (en) | 2016-08-31 | 2016-08-31 | A kind of portable relay tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015395.3U CN206020619U (en) | 2016-08-31 | 2016-08-31 | A kind of portable relay tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206020619U true CN206020619U (en) | 2017-03-15 |
Family
ID=58256492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621015395.3U Expired - Fee Related CN206020619U (en) | 2016-08-31 | 2016-08-31 | A kind of portable relay tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206020619U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607855A (en) * | 2017-09-18 | 2018-01-19 | 南京铁道职业技术学院 | A kind of FTGS track circuits relay board test platform |
| CN107966656A (en) * | 2017-11-30 | 2018-04-27 | 蒋小辉 | A kind of matrix form electromagnetic relay intelligent comprehensive parameter detection device |
| CN108983078A (en) * | 2017-05-31 | 2018-12-11 | 许继集团有限公司 | A kind of relay build-out resistor selection device and method |
| CN109521358A (en) * | 2018-11-06 | 2019-03-26 | 南京国电南自电网自动化有限公司 | A kind of protective device exit relay circuit impedance matching primitives method and system |
| CN110926797A (en) * | 2019-12-10 | 2020-03-27 | 航天新长征大道科技有限公司 | Compact peripheral interconnection bus board card |
-
2016
- 2016-08-31 CN CN201621015395.3U patent/CN206020619U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983078B (en) * | 2017-05-31 | 2020-11-17 | 许继集团有限公司 | Relay matching resistance selection device and method |
| CN108983078A (en) * | 2017-05-31 | 2018-12-11 | 许继集团有限公司 | A kind of relay build-out resistor selection device and method |
| CN107607855A (en) * | 2017-09-18 | 2018-01-19 | 南京铁道职业技术学院 | A kind of FTGS track circuits relay board test platform |
| CN107966656A (en) * | 2017-11-30 | 2018-04-27 | 蒋小辉 | A kind of matrix form electromagnetic relay intelligent comprehensive parameter detection device |
| CN109521358A (en) * | 2018-11-06 | 2019-03-26 | 南京国电南自电网自动化有限公司 | A kind of protective device exit relay circuit impedance matching primitives method and system |
| CN109521358B (en) * | 2018-11-06 | 2020-11-06 | 南京国电南自电网自动化有限公司 | Impedance matching calculation method and system for protection device outlet relay circuit |
| CN110926797A (en) * | 2019-12-10 | 2020-03-27 | 航天新长征大道科技有限公司 | Compact peripheral interconnection bus board card |
| CN110926797B (en) * | 2019-12-10 | 2021-07-06 | 航天新长征大道科技有限公司 | Compact peripheral interconnection bus board card |
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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: 20170315 Termination date: 20190831 |