CN217689303U - Plugging-free portable relay board testing device - Google Patents
Plugging-free portable relay board testing device Download PDFInfo
- Publication number
- CN217689303U CN217689303U CN202221066163.6U CN202221066163U CN217689303U CN 217689303 U CN217689303 U CN 217689303U CN 202221066163 U CN202221066163 U CN 202221066163U CN 217689303 U CN217689303 U CN 217689303U
- Authority
- CN
- China
- Prior art keywords
- relay
- acquisition module
- relay board
- passive
- selection unit
- 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
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses an exempt from to insert portable relay board testing arrangement who pulls out, including the shell, set up control panel and relay interface on the shell, and set up the MCU of shell inside and the relay selection unit, variable direct current voltage source, resistance changer, active DI collection module, first passive DI collection module and the passive DI collection module of second of being connected with it respectively. The utility model discloses can avoid a lot of plug in the testing process, can detect out the latent fault of relay, can also carry out automatic batch test, reduce work load.
Description
Technical Field
The utility model belongs to relay detection area, in particular to relay board testing arrangement.
Background
In the process of overhauling the hydropower station, the action voltage, the release voltage, the action time, the release time, the coil resistance, the contact state and the like of the relay need to be measured periodically.
Traditional check out test set need pull out the relay from the relay board, inserts test set's base and tests one by one. However, the conventional testing method has many drawbacks. Firstly, as the relay is gradually miniaturized, the pins of the relay are thinner and thinner, and the pins are possibly damaged due to multiple plugging and unplugging; secondly, potential faults of a relay base and an on-board circuit cannot be found; thirdly, large control equipment can reach hundreds of relays, and the operation is complex and the consumed time is long.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem mentioned in the background art, the utility model provides an exempt from to insert portable relay board testing arrangement who pulls out.
In order to realize the technical purpose, the utility model discloses a technical scheme does:
a plug-and-pull-free portable relay board testing device comprises a shell, a control panel and a relay interface which are arranged on the shell, an MCU arranged in the shell, and a relay selection unit, a variable direct current voltage source, a resistance transmitter, an active DI acquisition module, a first passive DI acquisition module and a second passive DI acquisition module which are respectively connected with the MCU;
the variable direct-current voltage source and the active DI acquisition module are respectively connected with the input end of the relay selection unit through a switch, the resistance transmitter is connected with the relay input end of the relay selection unit through another switch, the first passive DI acquisition module is connected with the normally open contact of the relay output end of the relay selection unit, and the second passive DI acquisition module is connected with the normally closed contact of the relay output end of the relay selection unit.
Based on above-mentioned technical scheme's preferred scheme, control panel is equipped with respectively with display screen, operation button, switch and the battery interface that charges that MCU is connected.
Based on the preferred scheme of above-mentioned technical scheme, control panel is equipped with the ethernet interface that MCU is connected, MCU carries out data transmission through ethernet interface and host computer.
Based on the preferable scheme of the technical scheme, the relay interface comprises a relay base and a D-sub37 expansion interface, wherein the relay base is arranged on the shell.
Based on the preferable scheme of the technical scheme, the tested relay is arranged on a relay board, and the relay board is connected with the testing device through the D-sub37 expansion interface; or the tested relay is independently arranged on the relay base.
Adopt the beneficial effect that above-mentioned technical scheme brought:
the utility model can test all relays on a whole relay board, thereby avoiding the repeated plugging of the relays; the utility model discloses a test object covers relay base, relay board circuit, detects the index such as relay's contact state, action time, action voltage, release time, release voltage to detect out latent fault; the utility model can automatically test a group of relays in batch, thereby reducing the test workload; the utility model discloses also support independent relay to insert the relay base independent test of the multiple specification of setting on testing arrangement.
Drawings
FIG. 1 is a schematic view of the appearance and terminal connection of the present invention;
FIG. 2 is a schematic view of the internal connection of the present invention;
fig. 3 is a flowchart of the present invention.
Description of reference numerals: 1: a power switch; 2: a battery charging interface; 3: a display screen; 4: a normally open contact interface of the relay board; 5: a normally closed contact interface of the relay board; 6: operating a key; 7: an Ethernet interface; 8: a relay base; 9: the input end of the relay board is connected with the interface; 10: d-sub37 expansion interface; 11: a relay board; 12: d-sub37 cable; 13: and (4) conducting wires.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
The utility model discloses an exempt from to insert portable relay board testing arrangement who pulls out, as shown in fig. 1-2, testing arrangement includes the shell, sets up control panel and relay interface on the shell, and set up the inside MCU of shell and the relay selection unit, variable DC voltage source, resistance transmitter, active DI collection module, passive DI-1 collection module and passive DI-2 collection module of being connected with it respectively.
As shown in fig. 2, the variable dc voltage source and the active DI acquisition module are respectively connected to the input terminal of the relay selection unit through a switch K1, the resistance transmitter is connected to the relay input terminal of the relay selection unit through a switch K2, the passive DI-1 acquisition module is connected to the normally open contact of the relay output terminal of the relay selection unit, and the passive DI-2 acquisition module is connected to the normally closed contact of the relay output terminal of the relay selection unit.
As shown in fig. 1, in this embodiment, the control panel is provided with a display screen, an operation button, an ethernet interface, a power switch, and a battery charging interface, which are respectively connected to the MCU. The MCU respectively controls the relay selection unit, the variable direct current voltage source, the resistance transmitter and the DI acquisition module to complete corresponding test work according to a test mode set by the operation key, and a test result is displayed on the display screen. Through the Ethernet interface, the MCU can receive a mode setting instruction of the upper computer and can send a test result and a self-diagnosis state of the test device to the upper computer.
As shown in fig. 1, in the present embodiment, the relay interface includes a relay base and a D-sub37 expansion interface provided on the housing. The relay to be tested is arranged on the relay board, and the relay board is connected with the testing device through the D-sub37 expansion interface; or the tested relay is independently arranged on the relay base.
As shown in fig. 3, the working flow of the present invention is as follows:
(1) The relay selection unit switches the input end, the output end normally-open contact and the output end normally-closed contact to a certain relay;
(2) As shown in fig. 2, closing K2 opens K1, and the resistance transmitter measures the resistance of the relay input coil; if the resistance can not be measured normally, the channel relay is damaged or the relay is not configured, and the selection is carried out again; if the resistance is measured normally, recording the resistance value as the coil resistance of the relay;
(3) As shown in fig. 2, when K1 is closed and K2 is disconnected, the variable direct-current voltage source boosts voltage according to a certain step length, the passive DI-1 acquisition module synchronously detects whether the normally open contact of the relay is closed, and records the voltage when closed as the action voltage of the relay;
(4) The variable direct-current voltage source steps down according to a certain step length, the passive DI-2 acquisition module synchronously detects whether the normally closed contact of the relay is closed or not, and records the voltage when the normally closed contact is closed as the release voltage of the relay;
(5) The variable direct-current voltage source outputs rated voltage, and the time difference of the rising edges detected by the passive DI-1 acquisition module and the active DI acquisition module is recorded as action time;
(6) The variable direct-current voltage source outputs 0V voltage, and the time difference between the rising edge of the passive DI-2 acquisition module and the falling edge of the active DI acquisition module is recorded as release time;
(7) And repeating the process until all the relays on the relay board are tested.
The utility model discloses though be equipped with the MCU module, relate to the button and trigger software program such as selection mode, relay test, test result display, with host computer communication, but these software programs are field prior art, the utility model discloses do not carry out actual improvement to the software program that involves, the utility model discloses an innovation lies in testing arrangement's the constitution and the position of component, relation of connection.
The embodiment is only for explaining the technical thought of the utility model, can not limit with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on technical scheme basis all falls into the utility model discloses within the protection scope.
Claims (5)
1. The utility model provides a exempt from to insert portable relay board testing arrangement who pulls out which characterized in that: the device comprises a shell, a control panel and a relay interface which are arranged on the shell, an MCU arranged in the shell, and a relay selection unit, a variable direct current voltage source, a resistance transmitter, an active DI acquisition module, a first passive DI acquisition module and a second passive DI acquisition module which are respectively connected with the MCU;
the variable direct-current voltage source and the active DI acquisition module are respectively connected with the input end of the relay selection unit through a switch, the resistance transmitter is connected with the relay input end of the relay selection unit through another switch, the first passive DI acquisition module is connected with the normally open contact of the relay output end of the relay selection unit, and the second passive DI acquisition module is connected with the normally closed contact of the relay output end of the relay selection unit.
2. The plugging-free portable relay board testing device according to claim 1, characterized in that: the control panel is provided with a display screen, an operation key, a power switch and a battery charging interface which are respectively connected with the MCU.
3. The plugging-free portable relay board testing device according to claim 1 or 2, characterized in that: the control panel is provided with an Ethernet interface connected with the MCU, and the MCU performs data transmission with the upper computer through the Ethernet interface.
4. The plugging-free portable relay board testing device according to claim 1, characterized in that: the relay interface comprises a relay base and a D-sub37 expansion interface, wherein the relay base is arranged on the shell.
5. The plugging-free portable relay board testing device according to claim 4, characterized in that: the relay to be tested is arranged on the relay board, and the relay board is connected with the testing device through the D-sub37 expansion interface; or the tested relay is independently arranged on the relay base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221066163.6U CN217689303U (en) | 2022-05-06 | 2022-05-06 | Plugging-free portable relay board testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221066163.6U CN217689303U (en) | 2022-05-06 | 2022-05-06 | Plugging-free portable relay board testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217689303U true CN217689303U (en) | 2022-10-28 |
Family
ID=83736479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221066163.6U Active CN217689303U (en) | 2022-05-06 | 2022-05-06 | Plugging-free portable relay board testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217689303U (en) |
-
2022
- 2022-05-06 CN CN202221066163.6U patent/CN217689303U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102866700B (en) | Control guide tester for connecting device of electric vehicle and alternating-current charging pile and implementing method for control guide tester | |
| CN111551799A (en) | Detection system and method for direct-current charger | |
| CN206618845U (en) | Power supply module for communication test system | |
| CN110501998B (en) | BMS hardware in-loop test system and test method | |
| CN212391553U (en) | Direct current charger detecting system | |
| CN210803614U (en) | Electric automobile interoperability test equipment | |
| CN104102147A (en) | Control device for simulating different output states of battery charger of electric automobile and realizing method thereof | |
| CN114624577A (en) | Electromagnetic relay parameter calibration method and device | |
| CN103969546A (en) | Intelligent tester for secondary polarities of four-star voltage transformers | |
| CN105846263A (en) | USB adapter cable, charging testing method and charging testing system of mobile terminal | |
| CN203117358U (en) | Intelligent tester for secondary polarity of four-star-shaped voltage transformer | |
| CN217689303U (en) | Plugging-free portable relay board testing device | |
| CN218352516U (en) | ModbusRTU test system | |
| CN116430824A (en) | Electrostatic current testing system and method for vehicle controller | |
| CN212646860U (en) | Relay protection open-in and open-out test device | |
| CN214703888U (en) | Electric automobile high voltage direct current fuse life-span automatic checkout device | |
| CN110018338B (en) | Test system and method of vehicle-mounted charger and computer | |
| CN210720559U (en) | Intelligent station bus secondary voltage monitoring device | |
| CN210401586U (en) | Transformer substation relay calibrating device and system | |
| CN107478980A (en) | A kind of POS mainboard automated testing method and circuit | |
| CN208477033U (en) | A kind of alternating-current charging pile field detecting device | |
| CN107481605B (en) | Smart phone teaching practical training equipment and working method thereof | |
| CN205210294U (en) | Portable collection terminal Test device | |
| CN217766555U (en) | High-voltage source testing device | |
| CN214252511U (en) | Bluetooth circuit breaker detecting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |