CN202372557U - Automatic testing device for board card voltage - Google Patents
Automatic testing device for board card voltage Download PDFInfo
- Publication number
- CN202372557U CN202372557U CN2011205305915U CN201120530591U CN202372557U CN 202372557 U CN202372557 U CN 202372557U CN 2011205305915 U CN2011205305915 U CN 2011205305915U CN 201120530591 U CN201120530591 U CN 201120530591U CN 202372557 U CN202372557 U CN 202372557U
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- mcu
- relay control
- control module
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Abstract
The utility model provides an automatic testing device for board card voltage, which comprises a micro control unit (MCU), a serial port, a connecting socket and a plurality of relay control modules. The connecting socket comprises a plurality of connecting pins and a grounding pin. Each relay control module is respectively and correspondingly connected with one connecting pin. The serial port and the relay control modules are connected to the MCU. By adopting an automatic control method, the automatic testing device for the board card voltage has the advantages that the testing efficiency is improved, the interference of external factors is eliminated, the structure is simple and the maintainability is high.
Description
[technical field]
The utility model relates to a kind of proving installation, particularly a kind of integrated circuit board voltage automatic testing equipment.
[background technology]
After the staff of debugging integrated circuit board is taking awaiting board card, need get to voltage gear with multimeter, use black meter pen ground connection, i.e. GND test point, the electrical voltage point that red test pencil reception is tested.Read the magnitude of voltage of multimeter, judge this voltage whether within normal range, if not within normal range, then this integrated circuit board need flow to integrated circuit board helpdesk, and whether test is normal again after the maintenance; If within normal range, think that then this integrated circuit board is normal, can flow to the next process of normal flow.Test the test point on the integrated circuit board so successively.Test point on integrated circuit board if use the manual testing, is not having under the situation of other factor affecting more for a long time; At least need 30s, the integrated testability efficiency ratio is lower, and during the manual testing; Influenced greatly by extraneous factor, have uncontrollable factor, cause erroneous judgement during like tester's fatigue.
[summary of the invention]
The technical matters that the utility model will solve is to provide a kind of integrated circuit board voltage automatic testing equipment, and it adopts automatic control mode, improves testing efficiency, gets rid of the interference of extraneous factor, and simple in structure, and is maintainable high.
The utility model is achieved in that
A kind of integrated circuit board voltage automatic testing equipment, this device comprises a MCU, a serial ports, a gang socket and a plurality of relay control module; Said gang socket comprises a plurality of connection pins and a grounding pin, the corresponding respectively said connection pin that connects of said each relay control module, and said serial ports all is connected to said MCU with each relay control module.
Further, this device also comprises an infrared receiving module, and said infrared receiving module is connected to said MCU.
Further; Said relay control module comprises a HJR4012E relay, a resistance, an electric capacity, a diode and a triode; Said HJR4012E relay comprises first pin, second pin, the 3rd pin, the 4th pin and the 5th pin, and said first pin is connected to the grounding pin of said gang socket, and said second pin connects an end of said resistance; The other end of said resistance connects power supply; Said power supply is connected through between an electric capacity and the earth, and said the 3rd pin connects the collector of the anodal and said triode of said diode respectively, and the negative pole of said diode is connected to an end of said resistance; The base stage of said triode connects said MCU; The grounded emitter of said triode, said the 4th pin connects the earth, and said the 5th pin connects any one of said gang socket and connects pin.
The advantage of the utility model is: after voltage test points to be measured connects said gang socket on the integrated circuit board, through MCU pilot relay control module, simultaneously; Link to each other with computer and relay control module links to each other with said capture card through serial ports; Realize the automatic test of test point voltage, improved testing efficiency, get rid of the interference of extraneous factor; And it is simple in structure, maintainable high.
[description of drawings]
Combine embodiment that the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of the utility model gang socket.
Fig. 3 is the synoptic diagram of the utility model relay control module.
[embodiment]
Like Fig. 1, shown in Figure 2, a kind of integrated circuit board voltage automatic testing equipment, this device comprise a MCU, a serial ports 1, a gang socket 2 and a plurality of relay control module 3; Said gang socket 2 comprises a plurality of connection pins 21 and a grounding pin 22, the corresponding respectively said connection pin 21 that connects of said each relay control module 3, and said serial ports 1 all is connected to said MCU with each relay control module 3.In the present embodiment, this device also comprises an infrared receiving module 4, and said infrared receiving module 4 is connected to said MCU.Said infrared receiving module 4 is in order to realize short-range remote-controlled test.
MCU mainly realize change action, the IR remote controller data of relay control module 3 processing, handle order that host computer sends and the state of current relay control module 3 issued host computer.
After infrared receiving module 4 receives infrared signal, signal is demodulated into pulse signal, receive this pulse signal by MCU, and parse the pulse signal data represented, MCU is according to these data, and judging needs the action of completion this moment.
As shown in Figure 3, in the present embodiment, said relay control module 3 comprises a HJR4012E relay 31; One resistance 32, an electric capacity 33, a diode 34 and a triode 35; Said HJR4012E relay 31 is put switching controls for hilted broadsword is two, comprises first pin (RTP_COM) 311, second pin 312, the 3rd pin 313, the 4th pin 314 and the 5th pin 315, and said first pin (RTP_COM) 311 is a common port; Said second pin 312 be relay control coil positive pole; Said the 3rd pin 313 be relay control coil negative pole, said the 4th pin 314 is a normally closed contact, said the 5th pin 315 is a normally opened contact.Said power supply is connected through between an electric capacity and the earth
Said first pin (RTP_COM) 311 is connected to the grounding pin 22 of said gang socket 2; Said second pin 312 connects an end of a resistance 32, and the other end of said resistance 32 connects power supply (not shown), and this power supply is connected with the earth through an electric capacity 33; Said the 3rd pin divides 313 to connect the positive pole of a diode 34 and the collector C of a triode 35 respectively; The negative pole of said diode 34 is connected to an end of said resistance 32, and the base stage B of said triode 35 connects said MCU, the emitter E ground connection of said triode 35; Said the 4th pin 314 connects the earth, and said the 5th pin 315 connects any one of said gang socket 2 and connects pin 21.
The operating process of the utility model is following: said serial ports 1 is linked to each other with a host computer; Respectively connect pin with what the electrical voltage point on the integrated circuit board to be tested was connected to said gang socket 2 respectively; What said acquisition port also was connected to said gang socket 2 respectively connects pin, and said capture card also is connected to said computer.Send test command through computer to said MCU; Said MCU accomplishes the measurement of test point voltage through the B utmost point of the triode 35 in the said relay control module 3 of control; Said capture card reads the magnitude of voltage that respectively connects pin in the said gang socket 2; And feedback to the computer, thereby the automatic measurement of realization integrated circuit board voltage test points.
The above; Be merely the utility model preferred embodiment; So can not limit the scope that the utility model is implemented according to this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (3)
1. integrated circuit board voltage automatic testing equipment, it is characterized in that: this device comprises a MCU, a serial ports, a gang socket and a plurality of relay control module; Said gang socket comprises a plurality of connection pins and a grounding pin, the corresponding respectively said connection pin that connects of said each relay control module, and said serial ports all is connected to said MCU with each relay control module.
2. a kind of integrated circuit board voltage automatic testing equipment according to claim 1, it is characterized in that: this device also comprises an infrared receiving module, said infrared receiving module is connected to said MCU.
3. a kind of integrated circuit board voltage automatic testing equipment according to claim 1 and 2; It is characterized in that: said relay control module comprises a HJR4012E relay, a resistance, an electric capacity, a diode and a triode; Said HJR4012E relay comprises first pin, second pin, the 3rd pin, the 4th pin and the 5th pin, and said first pin is connected to the grounding pin of said gang socket, and said second pin connects an end of said resistance; The other end of said resistance connects power supply; Said power supply is connected through between an electric capacity and the earth, and said the 3rd pin connects the collector of the anodal and said triode of said diode respectively, and the negative pole of said diode is connected to an end of said resistance; The base stage of said triode connects said MCU; The grounded emitter of said triode, said the 4th pin connects the earth, and said the 5th pin connects any one of said gang socket and connects pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205305915U CN202372557U (en) | 2011-12-16 | 2011-12-16 | Automatic testing device for board card voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205305915U CN202372557U (en) | 2011-12-16 | 2011-12-16 | Automatic testing device for board card voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372557U true CN202372557U (en) | 2012-08-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205305915U Expired - Lifetime CN202372557U (en) | 2011-12-16 | 2011-12-16 | Automatic testing device for board card voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372557U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251968A (en) * | 2014-10-13 | 2014-12-31 | 北京九方宏信交通装备股份有限公司 | Test bench for driving board of railway DC600 power source system |
| CN106405375A (en) * | 2016-08-31 | 2017-02-15 | 福建星网视易信息系统有限公司 | Multipath resistance and voltage testing method, device and system |
| CN111045967A (en) * | 2019-10-12 | 2020-04-21 | 深圳市康必达控制技术有限公司 | Automatic test switching circuit for serial port of communication manager |
| CN111367258A (en) * | 2020-03-09 | 2020-07-03 | 上海柏楚数控科技有限公司 | Test mainboard and test system for automatic test of motion control card |
-
2011
- 2011-12-16 CN CN2011205305915U patent/CN202372557U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251968A (en) * | 2014-10-13 | 2014-12-31 | 北京九方宏信交通装备股份有限公司 | Test bench for driving board of railway DC600 power source system |
| CN104251968B (en) * | 2014-10-13 | 2017-06-09 | 北京九方宏信交通装备有限公司 | A kind of railway DC600 power-supply system driving plates it is test bed |
| CN106405375A (en) * | 2016-08-31 | 2017-02-15 | 福建星网视易信息系统有限公司 | Multipath resistance and voltage testing method, device and system |
| CN111045967A (en) * | 2019-10-12 | 2020-04-21 | 深圳市康必达控制技术有限公司 | Automatic test switching circuit for serial port of communication manager |
| CN111045967B (en) * | 2019-10-12 | 2021-08-17 | 深圳市康必达控制技术有限公司 | Automatic test switching circuit for serial port of communication manager |
| CN111367258A (en) * | 2020-03-09 | 2020-07-03 | 上海柏楚数控科技有限公司 | Test mainboard and test system for automatic test of motion control card |
| CN111367258B (en) * | 2020-03-09 | 2021-05-14 | 上海柏楚数控科技有限公司 | Test mainboard and test system for automatic test of motion control card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |