CN202796000U - Trigger circuit of mining display control box - Google Patents
Trigger circuit of mining display control box Download PDFInfo
- Publication number
- CN202796000U CN202796000U CN2012204195683U CN201220419568U CN202796000U CN 202796000 U CN202796000 U CN 202796000U CN 2012204195683 U CN2012204195683 U CN 2012204195683U CN 201220419568 U CN201220419568 U CN 201220419568U CN 202796000 U CN202796000 U CN 202796000U
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Abstract
The utility model discloses a trigger circuit of a mining display control box. The trigger circuit comprises a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C13, a diode D5, a diode D6, a diode D7, a diode D8, a TPL521-1 optical coupler and a resistor R32. The capacitor C4, the capacitor C5 and the capacitor C6 form a filter circuit, and an input terminal of the filter circuit is connected with a 127V power source. The diode D5, the diode D6, the diode D7 and the diode D8 form a rectifier bridge, and an input terminal of the rectifier bridge is connected with an output terminal of the filter circuit. The TPL521-1 optical coupler, the resistor R32 and the capacitor C13 form an optical coupling isolation circuit, wherein an input terminal of the optical coupling isolation circuit is connected with an output terminal of the rectifier bridge, and an output terminal of the optical coupling isolation circuit is connected with a controller. The trigger circuit is high in anti-interference and stable in performance.
Description
Technical field
The utility model relates to a kind of mining demonstration control box, relates in particular to a kind of trigger circuit of mining demonstration control box.
Background technology
Mining demonstration control box can be mining LED display power supply and trigger pip is provided, generally comprise power circuit and trigger circuit, because power circuit and trigger circuit are arranged on the same circuit board usually, like this, trigger circuit are subject to power circuit and external interference easily when work, thereby cause easily false triggering, thereby poor stability.
The utility model content
The purpose of this utility model is to provide the trigger circuit of the strong mining demonstration control box of a kind of antijamming capability.
For achieving the above object, the utility model provides a kind of trigger circuit of mining demonstration control box, and capacitor C 4, capacitor C 5, capacitor C 6, capacitor C 13, diode D5, diode D6, diode D7, diode D8, model are optocoupler, the resistance R 32 of TPL521-1; Wherein, capacitor C 4, capacitor C 5, capacitor C 6 consist of filtering circuit, its input termination 127V power supply; Diode D5, diode D6, diode D7, diode D8 consist of rectifier bridge, and its input end links to each other with the output terminal of filtering circuit; Model is that optocoupler, resistance R 32 and the capacitor C 13 of TPL521-1 consists of optical coupling isolation circuit, and its input end links to each other with the output terminal of rectifier bridge, and its output terminal links to each other with controller.
Because the trigger circuit of mining demonstration control box of the present utility model have adopted light-coupled isolation, thereby so that input end and output terminal have been realized electrical isolation fully, thereby improved the antijamming capability of the trigger circuit of mining demonstration control box, so that the trigger circuit of mining demonstration control box are difficult for producing false triggering because disturbing, performance is more stable.
Description of drawings
Fig. 1 is the circuit theory diagrams of the trigger circuit of mining demonstration control box of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail:
With reference to shown in Figure 1, the trigger circuit of the mining demonstration control box of present embodiment, comprise that capacitor C 4, capacitor C 5, capacitor C 6, capacitor C 13, diode D5, diode D6, diode D7, diode D8, model are optocoupler, the resistance R 32 of TPL521-1, wherein, capacitor C 4, capacitor C 5, capacitor C 6 are CBB electric capacity, capacitor C 4, capacitor C 5, capacitor C 6 consist of filtering circuit, its input termination 127V power supply; Diode D5, diode D6, diode D7, diode D8 consist of rectifier bridge, and its input end links to each other with the output terminal of filtering circuit; Model is that optocoupler, resistance R 32 and the capacitor C 13 of TPL521-1 consists of optical coupling isolation circuit, and its input end links to each other with the output terminal of rectifier bridge, and its output terminal links to each other with controller.Specifically; one end of capacitor C 4 and an end of capacitor C 5 link to each other with the 127V power end of the three-phase supply joint of mining demonstration control box; one end of the other end of capacitor C 4 and capacitor C 5 links to each other with the ground protection end of this three-phase supply joint; the other end of capacitor C 5 links to each other with the input end of diode D5 and the output terminal of diode D6 respectively; the other end of capacitor C 6 links to each other with the input end of diode D7 and the output terminal of diode D8 respectively; the output terminal of the output terminal of diode D5 and diode D7 links to each other with the 1st pin of this optocoupler; the input end of the input end of diode D6 and diode D8 links to each other with the 2nd pin of this optocoupler; the 3rd pin ground connection of optocoupler; the 4th pin of optocoupler links to each other with an end of an end of resistance R 32 and capacitor C 13; another termination 5V of resistance R 32, the other end ground connection of capacitor C 13.
The trigger circuit of the mining demonstration control box of present embodiment at first carry out signal transmission by exchanging 127V voltage, and signal carries out isolation coupling through optocoupler again and triggers behind filter rectification.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (3)
1. the trigger circuit of a mining demonstration control box is characterized in that, comprise that capacitor C 4, capacitor C 5, capacitor C 6, capacitor C 13, diode D5, diode D6, diode D7, diode D8, model are optocoupler, the resistance R 32 of TPL521-1; Wherein:
Capacitor C 4, capacitor C 5, capacitor C 6 consist of filtering circuit, its input termination 127V power supply;
Diode D5, diode D6, diode D7, diode D8 consist of rectifier bridge, and its input end links to each other with the output terminal of filtering circuit;
Model is that optocoupler, resistance R 32 and the capacitor C 13 of TPL521-1 consists of optical coupling isolation circuit, and its input end links to each other with the output terminal of rectifier bridge, and its output terminal links to each other with controller.
2. the trigger circuit of mining demonstration control box according to claim 1; it is characterized in that; wherein; one end of capacitor C 4 and an end of capacitor C 5 link to each other with the 127V power end of the three-phase supply joint of mining demonstration control box; one end of the other end of capacitor C 4 and capacitor C 5 links to each other with the ground protection end of this three-phase supply joint; the other end of capacitor C 5 links to each other with the input end of diode D5 and the output terminal of diode D6 respectively; the other end of capacitor C 6 links to each other with the input end of diode D7 and the output terminal of diode D8 respectively; the output terminal of the output terminal of diode D5 and diode D7 links to each other with the 1st pin of this optocoupler; the input end of the input end of diode D6 and diode D8 links to each other with the 2nd pin of this optocoupler; the 3rd pin ground connection of optocoupler; the 4th pin of optocoupler links to each other with an end of an end of resistance R 32 and capacitor C 13; another termination 5V of resistance R 32, the other end ground connection of capacitor C 13.
3. the trigger circuit of mining demonstration control box according to claim 1 is characterized in that, capacitor C 4, capacitor C 5, capacitor C 6 are CBB electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204195683U CN202796000U (en) | 2012-08-23 | 2012-08-23 | Trigger circuit of mining display control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204195683U CN202796000U (en) | 2012-08-23 | 2012-08-23 | Trigger circuit of mining display control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796000U true CN202796000U (en) | 2013-03-13 |
Family
ID=47823213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204195683U Expired - Fee Related CN202796000U (en) | 2012-08-23 | 2012-08-23 | Trigger circuit of mining display control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108510935A (en) * | 2018-05-30 | 2018-09-07 | 上海应用技术大学 | A kind of mining LED presentation of information control circuit |
-
2012
- 2012-08-23 CN CN2012204195683U patent/CN202796000U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108510935A (en) * | 2018-05-30 | 2018-09-07 | 上海应用技术大学 | A kind of mining LED presentation of information control circuit |
| CN108510935B (en) * | 2018-05-30 | 2023-07-18 | 上海应用技术大学 | Mining LED information display control circuit |
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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: 20130313 Termination date: 20170823 |