CN203706538U - Interface circuit of electronic technology experiment instrument - Google Patents
Interface circuit of electronic technology experiment instrument Download PDFInfo
- Publication number
- CN203706538U CN203706538U CN201420051998.3U CN201420051998U CN203706538U CN 203706538 U CN203706538 U CN 203706538U CN 201420051998 U CN201420051998 U CN 201420051998U CN 203706538 U CN203706538 U CN 203706538U
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- interface
- experiment
- electronic technology
- external interface
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- Expired - Fee Related
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Abstract
The utility model provides an interface circuit of an electronic technology experiment instrument. The interface circuit comprises an external connection interface and a wiring post installed on an experiment plate. The external connection interface is used for connection with an external detection instrument. The ground wire of the external connection interface is connected with the ground wire of the experiment plate. The signal wire of the external connection interface is connected with the signal wire socket of the wiring post. The interface circuit provides convenience for connection of the experiment plate circuit and the external detection instrument, and can raise the reliability and the stability of the external detection instrument to signal detection.
Description
Technical field
The utility model relates to a kind of interface circuit of experimental apparatus, especially a kind of interface circuit for Experiment of Electronic Technology instrument.
Background technology
Existing Experiment of Electronic Technology instrument all independently separates with external detection instrument, and on Experiment of Electronic Technology instrument, do not provide special purpose interface to be connected with external detection instrument, so in the time using external detection equipment to carry out coherent detection to the components and parts on Experiment of Electronic Technology instrument, the test side of detecting instrument and components and parts must be overlapped temporarily, and the circuit reliability of interim overlap joint is poor, and the signal detecting is stable not, and experimental result is affected.
Summary of the invention
The technical problems to be solved in the utility model is to provide the interface circuit of a kind of signal stabilization and the strong Experiment of Electronic Technology instrument of reliability.
The technical solution adopted in the utility model is: a kind of interface circuit of Experiment of Electronic Technology instrument, comprise the external interface and the binding post that are arranged on brassboard, external interface is for being connected with external detection instrument, the ground wire of external interface is connected with the ground wire of brassboard, and the signal wire of external interface is connected with the signal wire socket on binding post.The external interface that employing is arranged on brassboard connects external detection instrument, then is connected with the components and parts that will detect by the signal wire socket on binding post, the problem of poor reliability and jitter while having avoided interim overlap joint; Adopt the ground wire of external interface is connected with the ground wire of brassboard, by the ground wire of external interface and brassboard altogether, can reduce wiring quantity, reduction experimental implementation complexity.
As further restriction scheme of the present utility model, external interface is the interface being connected with oscillograph or the interface being connected with signal generator.Adopt external interface to be connected with oscillograph or with signal generator, be conveniently linked into Experiment of Electronic Technology instrument by oscillograph or with signal generator.
As further restriction scheme of the present utility model, binding post is provided with two row signal line sockets, and two signal wire sockets of same row are connected.Adopt two row signal line sockets, and two signal wire sockets of same row are connected, can further improve the reliability of binding post signal transmission.
As further improvement of the utility model scheme, also comprise a multidiameter option switch, the signal wire of external interface is connected by multidiameter option switch with the signal wire socket on binding post.Adopt multidiameter option switch to switch being connected of the signal wire of external interface and signal wire socket on each binding post, for experiment has brought convenience, also improved the reliability of connection while experiment simultaneously.
The beneficial effects of the utility model are: (1) adopts the external interface being arranged on brassboard to connect external detection instrument, be connected with the components and parts that will detect by the signal wire socket on binding post again, the problem of poor reliability and jitter while having avoided interim overlap joint; (2) adopt the ground wire of external interface is connected with the ground wire of brassboard, by the ground wire of external interface and brassboard altogether, can reduce wiring quantity, reduction experimental implementation complexity; (3) adopt external interface to be connected with oscillograph or with signal generator, be conveniently linked into Experiment of Electronic Technology device by oscillograph or with signal generator; (4) adopt two row signal line sockets, and two signal wire sockets of same row are connected, can further improve the reliability of binding post signal transmission; (5) adopt multidiameter option switch to switch being connected of the signal wire of external interface and signal wire socket on each binding post, for experiment has brought convenience, also improved the reliability of connection while experiment simultaneously.
Brief description of the drawings
Fig. 1 is interface circuit schematic diagram of the present utility model;
Fig. 2 is binary channels interface circuit schematic diagram of the present utility model;
Fig. 3 is the circuit diagram with multidiameter option switch of the present utility model.
Embodiment
As shown in Figure 1, the interface circuit of Experiment of Electronic Technology instrument of the present utility model, comprise the external interface 1 and the binding post 2 that are arranged on brassboard, external interface 1 is for being connected with external detection instrument, the ground wire of external interface 1 is connected with the ground wire of brassboard, and the signal wire of external interface 1 is connected with the signal wire socket 3 on binding post 2.The external interface 1 that employing is arranged on brassboard connects external detection instrument, then is connected with the components and parts that will detect by the signal wire socket 3 on binding post 2, the problem of poor reliability and jitter while having avoided interim overlap joint; Adopt the ground wire of external interface 1 is connected with the ground wire of brassboard, by the ground wire of external interface 1 and brassboard altogether, can reduce wiring quantity, reduction experimental implementation complexity.
External interface 1 can be set to the interface being connected with oscillograph or the interface being connected with signal generator as required, adopt external interface 1 to be connected with oscillograph or with signal generator, be conveniently linked into Experiment of Electronic Technology instrument by oscillograph or with signal generator.In the time that reality is used, can, according to other requirement of experiment, external interface 1 be arranged to other interfaces and be connected with external detection instrument.
On binding post 2, can be provided with two row signal line sockets 3, two the signal wire sockets 3 that are positioned at same row are connected, and adopt two row signal line sockets 3, and two signal wire sockets 3 of same row are connected, can further improve the reliability of binding post signal transmission.In the time that reality is used, the binding post 2 of single signal wire socket 3 or two row signal line sockets 3 can be installed as required.
As shown in Figure 2, on external interface 1, can connect two paths of signals line simultaneously, on binding post 2, also be respectively equipped with the signal wire socket 3 being connected with this two paths of signals line.Adopt two paths of signals line to access electronic technology test apparatus simultaneously, can conveniently binary channels external detection instrument be linked in electronic technology test apparatus of the present utility model.
As shown in Figure 3, be also provided with a multidiameter option switch 4 between external interface 1 and binding post 2, the signal wire of external interface 1 is connected by multidiameter option switch with the signal wire socket 3 on binding post 2.Adopt multidiameter option switch 4 to switch being connected of the signal wire of external interface 1 and signal wire socket 3 on each binding post 2, for experiment has brought convenience, also improved the reliability of connection while experiment simultaneously.
Claims (4)
1. the interface circuit of an Experiment of Electronic Technology instrument, it is characterized in that: comprise the external interface (1) and the binding post (2) that are arranged on brassboard, described external interface (1) is for being connected with external detection instrument, the ground wire of external interface (1) is connected with the ground wire of brassboard, and the signal wire of external interface (1) is connected with the signal wire socket (3) on binding post (2).
2. the interface circuit of Experiment of Electronic Technology instrument according to claim 1, is characterized in that: described external interface (1) is the interface being connected with oscillograph or the interface being connected with signal generator.
3. the interface circuit of Experiment of Electronic Technology instrument according to claim 1 and 2, is characterized in that: described binding post (2) is provided with two row signal line sockets (3), and two signal wire sockets (3) of same row are connected.
4. the interface circuit of Experiment of Electronic Technology instrument according to claim 1 and 2, it is characterized in that: also comprise a multidiameter option switch (4), the signal wire of described external interface (1) is connected by multidiameter option switch (4) with the signal wire socket (3) on binding post (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051998.3U CN203706538U (en) | 2014-01-27 | 2014-01-27 | Interface circuit of electronic technology experiment instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051998.3U CN203706538U (en) | 2014-01-27 | 2014-01-27 | Interface circuit of electronic technology experiment instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706538U true CN203706538U (en) | 2014-07-09 |
Family
ID=51056942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420051998.3U Expired - Fee Related CN203706538U (en) | 2014-01-27 | 2014-01-27 | Interface circuit of electronic technology experiment instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203706538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017113056A1 (en) * | 2015-12-28 | 2017-07-06 | 深圳配天智能技术研究院有限公司 | Multi-channel interface test device |
-
2014
- 2014-01-27 CN CN201420051998.3U patent/CN203706538U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017113056A1 (en) * | 2015-12-28 | 2017-07-06 | 深圳配天智能技术研究院有限公司 | Multi-channel interface test device |
| CN107615076A (en) * | 2015-12-28 | 2018-01-19 | 深圳配天智能技术研究院有限公司 | Multi-channel interface test device |
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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: 20140709 Termination date: 20190127 |