CN206370050U - The telecommunication circuit of computer and electromagnetic compatibility instrument - Google Patents
The telecommunication circuit of computer and electromagnetic compatibility instrument Download PDFInfo
- Publication number
- CN206370050U CN206370050U CN201621385748.9U CN201621385748U CN206370050U CN 206370050 U CN206370050 U CN 206370050U CN 201621385748 U CN201621385748 U CN 201621385748U CN 206370050 U CN206370050 U CN 206370050U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- reverser
- chip microcomputer
- module
- usb
- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to the telecommunication circuit of a kind of computer and electromagnetic compatibility instrument, turn optic module, optical fiber transmission module, optical fiber including USB interface, USB and turn single-chip microcomputer signal module and single-chip microcomputer, described USB interface, USB turn that optic module, optical fiber transmission module, optical fiber turn single-chip microcomputer signal module and single-chip microcomputer is sequentially connected.Compared with prior art, the utility model has the advantages that easy to use, strong interference immunity.
Description
Technical field
The utility model is related to a kind of telecommunication circuit, more particularly, to the communication electricity of a kind of computer and electromagnetic compatibility instrument
Road.
Background technology
The communication mode of computer and electromagnetic compatibility instrument refers to a kind of number for carrying out controller unit for real active computer
According to transmission means.
The general principle of computer and the communication mode of electromagnetic compatibility instrument：Single-chip microcomputer signal is changed into fiber-optic signal to pass through
Optical fiber cable changes into usb signal by fiber-optic signal again to transmit.
The communication mode of existing computer and electromagnetic compatibility instrument uses RS232 that computer carries in itself to enter
Capable；With development RS232 being replaced by USB slowly of electronics industry, the ease of use reduction of this method may make
The origin cause of formation does not have RS232 to make to have more than is needed for computer；And the ground of instrument causes the protection to computer with direct connect of computer
Measure is also low, because of the interference source of instrument computer may be caused not use normally.
Utility model content
The purpose of this utility model be exactly in order to overcome defect that above-mentioned prior art is present and provide it is a kind of it is easy to use,
The computer of strong interference immunity and the telecommunication circuit of electromagnetic compatibility instrument.
The purpose of this utility model can be achieved through the following technical solutions：
The telecommunication circuit of a kind of computer and electromagnetic compatibility instrument, including USB interface, USB turn optic module, optical fiber transmission
Module, optical fiber turn single-chip microcomputer signal module and single-chip microcomputer, and described USB interface, USB turn optic module, optical fiber transmission module, light
Fibre turns single-chip microcomputer signal module and single-chip microcomputer is sequentially connected.
Described USB, which turns optic module, includes the first reverser U1A for being sequentially connected and the second reverser U1B, described
First reverser U1A inputs are connected with USB interface, the second described reverser U1B output ends and the hair of optical fiber transmission module
Penetrate terminal connection.
Described USB turns optic module also including pull-up resistor R4 and R5, the described termination VCC of resistance R4 mono-, the other end
Meet VCC, the termination VCC of resistance R5 mono-, another the second reverser of termination U1B output ends.
Described USB, which turns optic module, also includes electric capacity C7, electric capacity C7 one end ground connection, the second reverser of another termination
U1B output ends.
Described optical fiber transmission module includes transmitting terminal, optical fiber transmission line and the receiving terminal being sequentially connected, described
Transmitting terminal turns optic module with USB and is connected, and described receiving terminal turns single-chip microcomputer signal module with optical fiber and is connected.
Described optical fiber turns the 3rd reverser U1F and the 4th reverser U1E that single-chip microcomputer signal module includes being sequentially connected,
The 3rd described reverser U1F inputs and the receiving terminal of optical fiber transmission module are connected, described the 4th reverser U1E outputs
End is connected with single-chip microcomputer.
Described optical fiber, which turns single-chip microcomputer signal module, also includes electric capacity C6, and electric capacity C6 one end is connected with power supply, the other end
It is connected with the 3rd reverser U1F inputs.
Compared with prior art, the utility model has highly reliable, transmission rate fast and can greatly improved to computer
Protection, particularly and high-tension surge instrument communication.
Brief description of the drawings
Fig. 1 is physical circuit figure of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is a part of embodiment of the present utility model, rather than all implement
Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment obtained, should all belong to the scope of the utility model protection.
As shown in figure 1, the telecommunication circuit of a kind of computer and electromagnetic compatibility instrument, including USB interface, USB turn optical fiber mode
Block, optical fiber transmission module, optical fiber turn single-chip microcomputer signal module and single-chip microcomputer, and described USB interface, USB turn optic module, optical fiber
Transport module, optical fiber turn single-chip microcomputer signal module and single-chip microcomputer is sequentially connected.
Described USB, which turns optic module, includes the first reverser U1A for being sequentially connected and the second reverser U1B, described
First reverser U1A inputs are connected with USB interface, the second described reverser U1B output ends and the hair of optical fiber transmission module
Penetrate terminal connection.Described USB, which turns optic module, also includes pull-up resistor R4 and R5, and described resistance R4 mono- terminates VCC, another
Terminate VCC, the termination VCC of resistance R5 mono-, another the second reverser of termination U1B output ends.Described USB, which turns optic module, also to be included
Electric capacity C7, the electric capacity C7 one end are grounded, the second reverser U1B output ends of another termination.
Described optical fiber transmission module includes transmitting terminal, optical fiber transmission line and the receiving terminal being sequentially connected, described
Transmitting terminal turns optic module with USB and is connected, and described receiving terminal turns single-chip microcomputer signal module with optical fiber and is connected.
Described optical fiber turns the 3rd reverser U1F and the 4th reverser U1E that single-chip microcomputer signal module includes being sequentially connected,
The 3rd described reverser U1F inputs and the receiving terminal of optical fiber transmission module are connected, described the 4th reverser U1E outputs
End is connected with single-chip microcomputer.Described optical fiber, which turns single-chip microcomputer signal module, also includes electric capacity C6, and electric capacity C6 one end is connected with power supply,
The other end is connected with the 3rd reverser U1F inputs.
When computer sends one group of data, by USB turn optic module come out to two reversers U1A and U1B, two
Pull-up resistor R4 and R5 increase drive to fibre optical transmission terminal, be converted into fiber-optic signal, optical fiber receiving terminal is transferred to by optical fiber cable
Son, then pass through two reverser U1E and U1F to single-chip microcomputer；Otherwise it is the same, wherein VCC, GND and+5V of reception and transmitting terminal ,+
5V.G is to be provided respectively by instrument and computer, so can just accomplish that computer is not connected directly with the ground of instrument.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in various in the technical scope that the utility model is disclosed
Equivalent modifications or substitutions, these modifications or substitutions should all cover within protection domain of the present utility model.Therefore, this practicality
New protection domain should be defined by scope of the claims.
Claims (7)
1. the telecommunication circuit of a kind of computer and electromagnetic compatibility instrument, it is characterised in that turn optical fiber mode including USB interface, USB
Block, optical fiber transmission module, optical fiber turn single-chip microcomputer signal module and single-chip microcomputer, and described USB interface, USB turn optic module, optical fiber
Transport module, optical fiber turn single-chip microcomputer signal module and single-chip microcomputer is sequentially connected.
2. the telecommunication circuit of a kind of computer according to claim 1 and electromagnetic compatibility instrument, it is characterised in that described
It is defeated including the first reverser U1A and the second reverser U1B, the first described reverser U1A being sequentially connected that USB turns optic module
Enter end to be connected with USB interface, the second described reverser U1B output ends and the transmitting terminal of optical fiber transmission module are connected.
3. the telecommunication circuit of a kind of computer according to claim 2 and electromagnetic compatibility instrument, it is characterised in that described
USB turns optic module also including pull-up resistor R4 and R5, the described terminations of resistance R4 mono- VCC, another termination VCC, resistance R5 mono-
Terminate VCC, another the second reverser of termination U1B output ends.
4. the telecommunication circuit of a kind of computer according to claim 2 and electromagnetic compatibility instrument, it is characterised in that described
USB, which turns optic module, also includes electric capacity C7, electric capacity C7 one end ground connection, the second reverser U1B output ends of another termination.
5. the telecommunication circuit of a kind of computer according to claim 1 and electromagnetic compatibility instrument, it is characterised in that described
Optical fiber transmission module includes transmitting terminal, optical fiber transmission line and the receiving terminal being sequentially connected, and described transmitting terminal turns with USB
Optic module is connected, and described receiving terminal turns single-chip microcomputer signal module with optical fiber and is connected.
6. the telecommunication circuit of a kind of computer according to claim 1 and electromagnetic compatibility instrument, it is characterised in that described
Optical fiber turns the 3rd reverser U1F and the 4th reverser U1E that single-chip microcomputer signal module includes being sequentially connected, and described the 3rd is reverse
The receiving terminal connection of device U1F inputs and optical fiber transmission module, the 4th described reverser U1E output ends connect with single-chip microcomputer
Connect.
7. the telecommunication circuit of a kind of computer according to claim 6 and electromagnetic compatibility instrument, it is characterised in that described
Optical fiber, which turns single-chip microcomputer signal module, also includes electric capacity C6, and electric capacity C6 one end is connected with power supply, the other end and the 3rd reverser U1F
Input is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385748.9U CN206370050U (en) | 2016-12-16 | 2016-12-16 | The telecommunication circuit of computer and electromagnetic compatibility instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385748.9U CN206370050U (en) | 2016-12-16 | 2016-12-16 | The telecommunication circuit of computer and electromagnetic compatibility instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206370050U true CN206370050U (en) | 2017-08-01 |
Family
ID=59392922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621385748.9U Expired - Fee Related CN206370050U (en) | 2016-12-16 | 2016-12-16 | The telecommunication circuit of computer and electromagnetic compatibility instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206370050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205509A (en) * | 2016-12-16 | 2018-06-26 | 上海普锐马电子有限公司 | A kind of telecommunication circuit of computer and electromagnetic compatibility instrument |
-
2016
- 2016-12-16 CN CN201621385748.9U patent/CN206370050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205509A (en) * | 2016-12-16 | 2018-06-26 | 上海普锐马电子有限公司 | A kind of telecommunication circuit of computer and electromagnetic compatibility instrument |
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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: 20170801 Termination date: 20181216 |