CN206832849U - PLC mainboard measurement jigs - Google Patents
PLC mainboard measurement jigs Download PDFInfo
- Publication number
- CN206832849U CN206832849U CN201720402896.5U CN201720402896U CN206832849U CN 206832849 U CN206832849 U CN 206832849U CN 201720402896 U CN201720402896 U CN 201720402896U CN 206832849 U CN206832849 U CN 206832849U
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- control units
- communication line
- probe
- mcu micro
- chip
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Abstract
The utility model discloses a kind of PLC mainboards measurement jig, including base, support, laminating mechanism, test carrier plate and supply unit, the support is fixedly mounted on base rear end, pressing plate is fixedly installed on the guide rod of the laminating mechanism lower end, the test carrier plate is fixedly installed on base top, the input of the MCU micro-control units is connected to the output interface of probe by communication line, the output end of the MCU micro-control units is connected to the input interface of IC chip by communication line, the output interface of the IC chip is connected to the input interface of probe by communication line, the output end of the MCU micro-control units is also connected to indicator lamp by communication line.MCU micro-control units, which send analog test signal the signal input interface of probe is transferred to through IC chip, to be tested, test signal is fed back to MCU micro-control units by the signal output interface of probe simultaneously, indicator lamp carries out result and shown, has simple to operate and tests the advantages of accurate.
Description
Technical field：
It the utility model is related to a kind of PLC mainboards measurement jig.
Background technology：
Mostly there is 6-15 expansion slot on PLC mainboards, for the control card of PC peripheral devices（Adapter）Grafting.
By changing these plug-in cards, local upgrading can be carried out to the corresponding subsystem of microcomputer, make producer and user in configuration type side
There is greater flexibility in face.But the quality test of mainboard is related to multiple expansion slots due to needing, it is therefore desirable to while to more
The situation of individual expansion slot is tested.The test mode docked by hand used at present, its test process is completely by manpower handle
Control, and easily there is reversed or test leakage, burning part is there is also when serious.
The content of the invention：
Technical problem to be solved in the utility model is：A kind of survey for being used to realize automatic detection PLC mainboards is provided
Try tool.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions：A kind of PLC mainboards are surveyed
Tool is tried, including base, support, laminating mechanism, test carrier plate and supply unit, the support are fixedly mounted on base rear end,
Pressing plate is fixedly installed on the guide rod of the laminating mechanism lower end, the test carrier plate is fixedly installed on base top, the survey
Probe, MUC micro-control units, IC chip, power transfer module and indicator lamp are provided with examination support plate, the probe is arranged on survey
Try at the top of support plate, the indicator lamp is arranged on outside test carrier plate, and the input of the power transfer module is connected by circuit
To supply unit, the output end of the power transfer module is connected to MCU micro-control unit power interfaces by circuit, described
The input of MCU micro-control units is connected to the output interface of probe, the output of the MCU micro-control units by communication line
End is connected to the input interface of IC chip by communication line, and the output interface of the IC chip is connected to spy by communication line
The input interface of pin, the output end of the MCU micro-control units are also connected to indicator lamp by communication line.
Preferably, the first optocoupler is provided with communication line between the MCU micro-control units and IC chip, it is described
The second optocoupler is provided with communication line between MCU micro-control units and probe output interface.
Preferably, the voltage of the supply unit uses 24v DC voltages.
Compared with prior art, usefulness of the present utility model is：PLC plates to be measured are fixed on test by tool for stitching
On support plate, MCU micro-control units, which send analog test signal the signal input interface of probe is transferred to through IC chip, to be tested,
Test signal is fed back to MCU micro-control units by the signal output interface of probe simultaneously, and MCU micro-control units are located by analysis again
After reason, send the signal to indicator lamp progress result and show have simple to operate and test the advantages of accurate.
Brief description of the drawings：
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of measurement jig.
Fig. 2 is the structure principle chart of measurement jig.
Embodiment：
Below in conjunction with the accompanying drawings and the utility model is described in detail embodiment：
A kind of PLC mainboards measurement jig as depicted in figs. 1 and 2, including base 1, support 2, laminating mechanism 3, test load
Plate 4 and supply unit 5, the support 2 are fixedly mounted on the rear end of base 1, are fixedly installed on the guide rod of the lower end of laminating mechanism 3
There is pressing plate 6, the test carrier plate 4 is fixedly installed on the top of base 1, probe 41, MUC micro-controls are provided with the test carrier plate 4
Unit 42, IC chip 43, power transfer module 44 and indicator lamp 45 processed, the probe 41 are arranged on the top of test carrier plate 4, PLC
The test position of board under test 9 is in contact by the pressuring action of laminating mechanism 3 and pressing plate 6 with the probe 41 of test carrier plate 4, institute
State indicator lamp 45 to be arranged on outside test carrier plate 4, the input of the power transfer module 44 is connected to power supply by circuit and filled
5 are put, the output end of the power transfer module 44 is connected to the power interface of MCU micro-control units 42 by circuit, and the MCU is micro-
The input of control unit 42 is connected to the output interface of probe 41 by communication line, the MCU micro-control units 42 it is defeated
Go out the input interface that end is connected to IC chip 43 by communication line, the output interface of the IC chip 43 is connected by communication line
The input interface of probe 41 is connected to, the output end of the MCU micro-control units 42 is also connected to indicator lamp 45 by communication line.
The first optocoupler 7 is provided between the MCU micro-control units 42 and IC chip 43 on communication line, the MCU is micro-
The second optocoupler 8, the first optocoupler 7 and the second optocoupler are provided with communication line between control unit 42 and the output interface of probe 41
8 play a part of the isolation of signal one-way transmission.
This measurement jig is only used for the detection of PLC plates, therefore in order to ensure the personal safety of tester, the supply unit
5 voltage uses 24v DC voltages.
It is emphasized that：It the above is only preferred embodiment of the present utility model, not the utility model appointed
What formal limitation, every any simple modification made according to the technical essence of the utility model to above example, etc.
With change and modification, in the range of still falling within technical solutions of the utility model.
Claims (3)
- A kind of 1. PLC mainboards measurement jig, it is characterised in that：Including base（1）, support（2）, laminating mechanism（3）, test carrier plate （4）And supply unit（5）, the support（2）It is fixedly mounted on base（1）Rear end, the laminating mechanism（3）On the guide rod of lower end It is fixedly installed pressing plate（6）, the test carrier plate（4）It is fixedly installed on base（1）Top, the test carrier plate（4）Upper setting There is probe（41）, MUC micro-control units（42）, IC chip（43）, power transfer module（44）And indicator lamp（45）, the probe （41）It is arranged on test carrier plate（4）Top, the indicator lamp（45）It is arranged on test carrier plate（4）Outside, the Power convert mould Block（44）Input supply unit is connected to by circuit（5）, the power transfer module（44）Output end pass through circuit It is connected to MCU micro-control units（42）Power interface, the MCU micro-control units（42）Input connected by communication line To probe（41）Output interface, the MCU micro-control units（42）Output end IC chip is connected to by communication line （43）Input interface, the IC chip（43）Output interface probe is connected to by communication line（41）Input interface, The MCU micro-control units（42）Output end indicator lamp is also connected to by communication line（45）.
- 2. PLC mainboards measurement jig according to claim 1, it is characterised in that：The MCU micro-control units（42）With IC Chip（43）Between be provided with the first optocoupler on communication line（7）, the MCU micro-control units（42）With probe（41）Output connects The second optocoupler is provided with communication line between mouthful（8）.
- 3. PLC mainboards measurement jig according to claim 1, it is characterised in that：The supply unit（5）Voltage use 24v DC voltages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720402896.5U CN206832849U (en) | 2017-04-18 | 2017-04-18 | PLC mainboard measurement jigs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720402896.5U CN206832849U (en) | 2017-04-18 | 2017-04-18 | PLC mainboard measurement jigs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832849U true CN206832849U (en) | 2018-01-02 |
Family
ID=60768396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720402896.5U Expired - Fee Related CN206832849U (en) | 2017-04-18 | 2017-04-18 | PLC mainboard measurement jigs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206832849U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064573A (en) * | 2017-04-18 | 2017-08-18 | 苏州格联威智能科技有限公司 | A kind of PLC mainboards measurement jig |
| CN112241140A (en) * | 2020-10-28 | 2021-01-19 | 浙江佳乐科仪股份有限公司 | Efficient PLC detection device |
| CN112910737A (en) * | 2021-02-05 | 2021-06-04 | 四川天邑康和通信股份有限公司 | Efficient router and set top box wireless interaction testing method |
-
2017
- 2017-04-18 CN CN201720402896.5U patent/CN206832849U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064573A (en) * | 2017-04-18 | 2017-08-18 | 苏州格联威智能科技有限公司 | A kind of PLC mainboards measurement jig |
| CN112241140A (en) * | 2020-10-28 | 2021-01-19 | 浙江佳乐科仪股份有限公司 | Efficient PLC detection device |
| CN112910737A (en) * | 2021-02-05 | 2021-06-04 | 四川天邑康和通信股份有限公司 | Efficient router and set top box wireless interaction testing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180102 Termination date: 20210418 |