CN202305585U - Active test fixture - Google Patents
Active test fixture Download PDFInfo
- Publication number
- CN202305585U CN202305585U CN 201120422734 CN201120422734U CN202305585U CN 202305585 U CN202305585 U CN 202305585U CN 201120422734 CN201120422734 CN 201120422734 CN 201120422734 U CN201120422734 U CN 201120422734U CN 202305585 U CN202305585 U CN 202305585U
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- interface
- ook
- test fixture
- active test
- chip
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- Expired - Fee Related
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Abstract
The utility model discloses an active test fixture which comprises a singlechip, an RS 232 chip, an RS 485 chip, an on-off keying (OOK) transceiving module and a power module, wherein the RS 232 chip and the RS 485 chip are respectively used for providing an RS 232 interface and an RS 485 interface; and the OOK transceiving module is connected with a micro-programmed control unit (MCU) and is used for providing an OOK interface. The active test fixture is simple in the interfaces and convenient in operation, and comprises the RS 232 interface, the RS 485 interface, the OOK interface and an IIC interface which are applicable to most electronic products; and after the active test fixture is adopted, the electronic products can be conveniently and quickly detected, so that the active test fixture is especially suitable for a pilot plant test department of an enterprise, and the working efficiency of the pilot plant test department can be improved.
Description
Technical field
The utility model includes the electric-examination anchor clamps of product-derived, specifically a kind of active test fixture.
Background technology
Check and test to various electronic products all need special anchor clamps.But in enterprise production; All kinds of have the electric-examination anchor clamps of product-derived not developed by Development & Pilot Dept.; Because different electronic products all needs special anchor clamps to be attached thereto; Could test and test it, thus be necessary to develop a kind of anchor clamps that can adapt to multiple electronic component products, to realize grasping better the electric-examination link.
The utility model content
The utility model purpose provides a kind of active test fixture with regard to being to overcome the deficiency of above-mentioned prior art, through different chips and corresponding test interface are set, to realize check and the test to different electronic products.
Realize that the technical scheme that the utility model purpose adopts is: a kind of active test fixture comprises,
Single-chip microcomputer is connected with computing machine through the RS232 interface, the instruction that receiving computer sends, and carry out corresponding operation;
The RS485 chip is connected with said single-chip microcomputer, is used to provide the RS485 interface to connect;
The OOK transceiver module is connected with said single-chip microcomputer, is used to provide the OOK interface to connect;
Power module is connected with the OOK transceiver module with said single-chip microcomputer, is used for the power supply of said single-chip microcomputer and OOK transceiver module, and output voltage is provided.
Further, said single-chip microcomputer also is provided with IIC interface and GPIO interface.
Further, said OOK transceiver module is provided with filtering circuit.
Further, said power module provides the output voltage of 7v, 5v, 3.3v through 25 needle interfaces.
The utility model is connected with computing machine through the RS232 interface; Being connected and communicating by letter of 485 interfaces, OOK interface and the IIC interface of computing machine through the active test fixture of Single-chip Controlling and electronic product to be measured with the corresponding interface; In addition; Through power module is that 485 interfaces, OOK interface and IIC interface provide corresponding power interface, and the WV of said interface is provided.
The utility model interface is simple, and is easy to operate, and its interface is applicable to most of electronic products, can realize the detection to electronic product quickly and easily, is particularly useful for pilot scale department of enterprise, improves its work efficiency.
Description of drawings
Fig. 1 is the connecting structure for electrical equipment block diagram of the utility model.
Embodiment
As shown in Figure 1, active test fixture comprises MCU (Micro Control Unit, microprocessing unit) 201, RS232 chip 202, RS485 chip 203, OOK transceiver module 204 and power module 300.Used MCU201 is the single-chip microcomputer of MC9S12E64 model in the present embodiment, and RS232 chip 202 is connected with MCU201 with RS485 chip 203, and RS232 chip 202 provides RS232 interface 102 and RS485 interface 104 respectively with RS485 chip 203.OOK transceiver module 204 is connected with MCU201, is used to provide OOK interface 1012, and is provided with filtering circuit 206 between OOK transceiver module 204 and the OOK interface 1012; Perhaps active test fixture directly is provided with OOK interface 1011 through filtering circuit 206.
For extra control and function for monitoring is provided, MCU201 is provided with GPIO (General Purpose Input Output, general I/O) interface 105.In addition, in order to connect integrated circuit, MCU201 also is provided with IIC interface 103.
In the present embodiment, MCU201 is provided with 102,1 485 interface of 1 RS232 interface 104,1 IIC interface 103, OOK interface 1011 and OOK interface 1012, and can provide convenience for expanding other interfaces in the future through the form of winding displacement socket.Satisfy in most cases the demand of electronic product distinct interface.
Active test fixture also is provided with power input 400, for anchor clamps provide power supply.Power input is connected with power module 300, through power module 300 voltage transitions of importing is become the required WV of the utility model.When needing the detected electrons product,, use the corresponding with it interface of the utility model to connect, then computing machine is connected communication through RS232 interface 102 with MAU201, thereby controls the duty of active test fixture according to the interface that electronic product to be measured has.The instruction that the utility model sends through RS232 interface 102 receiving computers simultaneously, and carry out corresponding operation, accomplish detection to electronic product.
Claims (4)
1. active test fixture is characterized in that comprising:
Single-chip microcomputer is connected with computing machine through the RS232 interface, the instruction that receiving computer sends, and carry out corresponding operation;
The RS485 chip is connected with said single-chip microcomputer, is used to provide the RS485 interface;
The OOK transceiver module is connected with said single-chip microcomputer, is used to provide the OOK interface;
Power module is connected with the OOK transceiver module with said single-chip microcomputer, is used for the power supply of said single-chip microcomputer and OOK transceiver module, and output voltage is provided.
2. active test fixture according to claim 1 is characterized in that: said single-chip microcomputer also is provided with IIC interface and GPIO interface.
3. active test fixture according to claim 1 and 2 is characterized in that: said OOK transceiver module is provided with filtering circuit.
4. active test fixture according to claim 1 is characterized in that: said power module provides the voltage output end mouth of 7v, 5v, 3.3v through 25 needle interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120422734 CN202305585U (en) | 2011-10-31 | 2011-10-31 | Active test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120422734 CN202305585U (en) | 2011-10-31 | 2011-10-31 | Active test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305585U true CN202305585U (en) | 2012-07-04 |
Family
ID=46374457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120422734 Expired - Fee Related CN202305585U (en) | 2011-10-31 | 2011-10-31 | Active test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113407395A (en) * | 2021-06-08 | 2021-09-17 | 深圳市海清视讯科技有限公司 | Testing method and device of face recognition equipment |
-
2011
- 2011-10-31 CN CN 201120422734 patent/CN202305585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113407395A (en) * | 2021-06-08 | 2021-09-17 | 深圳市海清视讯科技有限公司 | Testing method and device of face recognition equipment |
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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 |
Granted publication date: 20120704 Termination date: 20161031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |