CN203872157U - Low-cost high-speed optical isolation communication circuit - Google Patents
Low-cost high-speed optical isolation communication circuit Download PDFInfo
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- CN203872157U CN203872157U CN201420228708.8U CN201420228708U CN203872157U CN 203872157 U CN203872157 U CN 203872157U CN 201420228708 U CN201420228708 U CN 201420228708U CN 203872157 U CN203872157 U CN 203872157U
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- 238000004891 communication Methods 0.000 title claims abstract description 22
- 238000002955 isolation Methods 0.000 title claims abstract description 15
- 230000003287 optical effect Effects 0.000 title claims abstract description 13
- 230000001133 acceleration Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a low-cost high-speed optical isolation communication circuit comprising a communication control port, an accelerating circuit, an optical coupling chip, and an accelerating and phase inverting circuit. The communication control port is connected with the accelerating circuit. The output end of the accelerating circuit is connected with the optical coupling chip. The output end of the optical coupling chip is connected with the accelerating and phase inverting circuit. The low-cost high-speed optical isolation communication circuit of the utility model is simple in circuit structure and low in cost. After communication data is input, the optical coupling chip is started under control of the accelerating circuit, the communication data is output through the accelerating and phase inverting circuit, and high communication speed can be guaranteed. The circuit structure is highly consistent, almost all common optical coupling chips on the market can be used, and the effect is ideal.
Description
Technical field
The utility model relates to optically coupled isolation circuit, is specially a kind of low cost high-speed light isolation communicating circuit.
Background technology
Traditional optically coupled isolation circuit, need to adopt high speed photo coupling integrated circuit, as 6N137 etc., this type of circuit generally involves great expense, for enterprise, and be not easy to carry out cost control, at the production cost that has virtually increased producer, if but reduce this type of circuit and produce input, can bring remote-effects to circuit performance again, and be unsuitable for execution, therefore this technology still faces dilemma at present, we are necessary this present situation to make targetedly and improving.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the utility model has proposed a kind of low cost optical isolation communicating circuit targetedly, and it,, ensureing under the impregnable prerequisite of circuit performance, can effectively reduce costs input.
The utility model solves the technical scheme that its technical problem adopts:
A kind of low cost high-speed light isolation communicating circuit, comprise Communication Control port, accelerating circuit, opto-coupler chip, acceleration and phase inverter, wherein said Communication Control port is connected with accelerating circuit, described accelerating circuit output connects opto-coupler chip, and described opto-coupler chip output connects acceleration and phase inverter.
As the improvement of technique scheme, described opto-coupler chip adopts PC817 or other common optical coupler chips.
As the improvement of technique scheme, described accelerating circuit comprises the first resistance, the second resistance and electric capacity.
As the improvement of technique scheme, described acceleration and phase inverter comprise triode and paraphase output port.
The beneficial effect that the utility model brings has:
This communicating circuit is a kind of low cost high-speed light isolation communicating circuit, its circuit structure is simple, and with low cost, after communication data input, accelerating circuit control opto-coupler chip starts, and communication data is exported through acceleration and phase inverter, can ensure higher communication speed, meanwhile, the utility model circuit structure consistency is better, substantially common optical coupler chip on the market all can use, and satisfactory for result.
Brief description of the drawings
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail,
Accompanying drawing 1 is electrical block diagram of the present utility model;
Accompanying drawing 2 is another example structure schematic diagrames of the present utility model.
Embodiment
With reference to accompanying drawing 1, the utility model provides a kind of low cost high-speed light isolation communicating circuit, its circuit structure is simple, mainly comprise Communication Control port one, accelerating circuit 2, opto-coupler chip 3, acceleration and phase inverter 4, wherein Communication Control port one is directly connected with accelerating circuit 2, accelerating circuit 2 outputs connect opto-coupler chip 3, and opto-coupler chip 3 outputs connect acceleration and phase inverter 4.
First communication data is inputted by Communication Control port one, control opto-coupler chip 3 startup work by above-mentioned accelerating circuit 2 afterwards, concrete, accelerating circuit 2 is made up of the first resistance, the second resistance and electric capacity, communication data transfers to after via opto-coupler chip 3 and accelerates and phase inverter 4, accelerate and phase inverter through its triode, i.e. output.
In view of opto-coupler chip 3 of the present utility model adopts common optical coupler chip, as PC817, make this circuit structure with low cost, extremely be easy to enterprise and carry out rational cost control, its communication data has ensured higher communication speed simultaneously, in reducing costs, can't bring adverse effect to circuit performance.In the time of another execution mode circuit structure adopting in accompanying drawing 2, can produce same technique effect.
What deserves to be explained is, the above is preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (4)
1. a low cost high-speed light isolation communicating circuit, it is characterized in that: comprise Communication Control port (1), accelerating circuit (2), opto-coupler chip (3), acceleration and phase inverter (4), wherein said Communication Control port (1) is connected with accelerating circuit (2), described accelerating circuit (2) output connects opto-coupler chip (3), and described opto-coupler chip (3) output connects acceleration and phase inverter (4).
2. a kind of low cost high-speed light isolation communicating circuit according to claim 1, is characterized in that: described opto-coupler chip (3) adopts PC817 or other common optical coupler chips.
3. a kind of low cost high-speed light isolation communicating circuit according to claim 1, is characterized in that: described accelerating circuit (2) comprises the first resistance, the second resistance and electric capacity.
4. a kind of low cost high-speed light isolation communicating circuit according to claim 1, is characterized in that: described acceleration and phase inverter (4) comprise triode and paraphase output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228708.8U CN203872157U (en) | 2014-05-06 | 2014-05-06 | Low-cost high-speed optical isolation communication circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420228708.8U CN203872157U (en) | 2014-05-06 | 2014-05-06 | Low-cost high-speed optical isolation communication circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203872157U true CN203872157U (en) | 2014-10-08 |
Family
ID=51653076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420228708.8U Expired - Lifetime CN203872157U (en) | 2014-05-06 | 2014-05-06 | Low-cost high-speed optical isolation communication circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203872157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941349A (en) * | 2016-01-05 | 2017-07-11 | 浙江盾安机械有限公司 | A kind of low delay optical coupling isolation circuit and RS485 isolate telecommunication circuit |
-
2014
- 2014-05-06 CN CN201420228708.8U patent/CN203872157U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106941349A (en) * | 2016-01-05 | 2017-07-11 | 浙江盾安机械有限公司 | A kind of low delay optical coupling isolation circuit and RS485 isolate telecommunication circuit |
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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: 20141008 |