CN202633172U - Relay commutation circuit - Google Patents
Relay commutation circuit Download PDFInfo
- Publication number
- CN202633172U CN202633172U CN 201220215295 CN201220215295U CN202633172U CN 202633172 U CN202633172 U CN 202633172U CN 201220215295 CN201220215295 CN 201220215295 CN 201220215295 U CN201220215295 U CN 201220215295U CN 202633172 U CN202633172 U CN 202633172U
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- resistance
- timer
- ports
- relay
- commutation circuit
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Abstract
The utility model relates to a relay commutation circuit which is formed by connection of a timer NE, a time relay KT, a diode D, an audion Q, a switch S, two capacitors C1-C2 and four resistors R1-R4. The relay commutation circuit can save resources and improve economic benefits on the premise of ensuring practicality, safety and reliability.
Description
Technical field
The utility model relates to circuit field, particularly a kind of relay commutation circuit.
Background technology
Relay is as a kind of electric control device, has the interactive relationship between control system (claim not only input circuit) and the Be Controlled system (but also claiming output loop).Usually be applied in the control circuit of automation, it is actually a kind of " automatic switch " that goes to control big electric current running with little electric current.So in circuit, play effects such as automatic adjusting, safeguard protection, change-over circuit.
Existing time relay commutation circuit is simplified inadequately.
Summary of the invention
The utility model provides a kind of simple and practical relay commutation circuit in order to overcome the deficiency of above technology.
The utility model is realized through following measure:
A kind of relay commutation circuit of the utility model, by a timer NE, a time relay KT, a diode D, a triode Q, a switch S, two capacitor C 1-C2 and four resistance R 1-R4 are formed by connecting:
Be connected on the base stage of triode Q behind No. 1 port series resistor R4 of said timer NE, meet voltage output end Vout behind the collector series connection time relay KT of triode Q, time relay KT two ends serial connection diode D, the direct ground connection of the emitter of triode Q;
No. 2 ports of said timer NE meet voltage output end Vout, and also are connected to a ground capacity C2 on the voltage output end Vout; Between No. 2 ports of timer NE and No. 3 ports and connecting resistance R2;
No. 3 ports of said timer NE are connected in series successively and are connected on after switch S and the resistance R 1 on No. 1 port, also are connected to a ground capacity C1 on switch S and the end that resistance R 1 is connected, also are connected to an earth resistance R3 on No. 3 ports;
No. 4 direct ground connection of port of said timer NE.
Preferably, the resistance of said resistance R 1 is 110K Ω, and the resistance of resistance R 2 is 11K Ω, and the resistance of resistance R 3 is 11K Ω, and the resistance of resistance R 4 is 1K Ω, and the capacity of capacitor C 1 is 1 μ F, and the capacity of capacitor C 2 is 110 μ F.
The beneficial effect of the utility model is: through this relay commutation circuit, under the prerequisite that guarantees practical security reliability, more reach the effect of economical and energy saving.
Description of drawings
Fig. 1 is the circuit theory diagrams of the relay commutation circuit of the utility model.
Embodiment
Do bright specifically below in conjunction with accompanying drawing and embodiment to the utility model.
The circuit theory diagrams of the relay commutation circuit of present embodiment are shown in accompanying drawing:
This relay commutation circuit, by a timer NE, a time relay KT, a diode D, a triode Q, a switch S, two capacitor C 1-C2 and four resistance R 1-R4 are formed by connecting:
Be connected on the base stage of triode Q behind No. 1 port series resistor R4 of said timer NE, meet voltage output end Vout behind the collector series connection time relay KT of triode Q, time relay KT two ends serial connection diode D, the direct ground connection of the emitter of triode Q;
No. 2 ports of said timer NE meet voltage output end Vout, and also are connected to a ground capacity C2 on the voltage output end Vout; Between No. 2 ports of timer NE and No. 3 ports and connecting resistance R2;
No. 3 ports of said timer NE are connected in series successively and are connected on after switch S, the resistance R 1 on No. 1 port, also are connected to a ground capacity C1 on switch S and the end that resistance R 1 is connected, also are connected to an earth resistance R3 on No. 3 ports;
No. 4 direct ground connection of port of said timer NE.
Preferably, the resistance of said resistance R 1 is 110K Ω, and the resistance of resistance R 2 is 11K Ω, and the resistance of resistance R 3 is 11K Ω, and the resistance of resistance R 4 is 1K Ω, and the capacity of capacitor C 1 is 1 μ F, and the capacity of capacitor C 2 is 110 μ F.
The operation principle of the relay commutation circuit of the utility model is following:
This relay commutation circuit can adopt 555 timers, when button is pressed, holds 1/2 supply voltage at No. 3 ports of relay, is input to two 11K resistance R 2 and R3 after the triggering.When being output as when high, through 110K resistance R 1, the electric capacity charging is output as low during discharge.When pressing the button, the voltage of capacitor is applied to port No. 3, makes output change to opposite state.When button was released, electric capacity can charge or discharge output to port No. 1.Noise in the supply line that the capacitor C 2 of 110 μ F is used to filter.This circuit also has the advantage of the false triggering avoided.
The foregoing description is technical conceive and the characteristics for the utility model is described just, its objective is to be the content that lets the one of ordinary skilled in the art can understand the utility model and to implement according to this, can not limit the protection range of the utility model with this.The variation or the modification of every equivalence of having done according to the essence of the utility model content all should be encompassed in the protection range of the utility model.
Claims (2)
1. a relay commutation circuit is characterized in that, by a timer NE, and a time relay KT, a diode D, a triode Q, a switch S, two capacitor C 1-C2 and four resistance R 1-R4 are formed by connecting:
Be connected on the base stage of triode Q behind No. 1 port series resistor R4 of said timer NE, meet voltage output end Vout behind the collector series connection time relay KT of triode Q, time relay KT two ends serial connection diode D, the direct ground connection of the emitter of triode Q;
No. 2 ports of said timer NE meet voltage output end Vout, and also are connected to a ground capacity C2 on the voltage output end Vout; Between No. 2 ports of timer NE and No. 3 ports and connecting resistance R2;
No. 3 ports of said timer NE are connected in series successively and are connected on after switch S, the resistance R 1 on No. 1 port, also are connected to a ground capacity C1 on switch S and the end that resistance R 1 is connected, also are connected to an earth resistance R3 on No. 3 ports;
No. 4 direct ground connection of port of said timer NE.
2. relay commutation circuit according to claim 1 is characterized in that, the resistance of said resistance R 1 is 110K Ω; The resistance of resistance R 2 is 11K Ω, and the resistance of resistance R 3 is 11K Ω, and the resistance of resistance R 4 is 1K Ω; The capacity of capacitor C 1 is 1 μ F, and the capacity of capacitor C 2 is 110 μ F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215295 CN202633172U (en) | 2012-05-15 | 2012-05-15 | Relay commutation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215295 CN202633172U (en) | 2012-05-15 | 2012-05-15 | Relay commutation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633172U true CN202633172U (en) | 2012-12-26 |
Family
ID=47386333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220215295 Expired - Fee Related CN202633172U (en) | 2012-05-15 | 2012-05-15 | Relay commutation circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683109A (en) * | 2012-05-15 | 2012-09-19 | 苏州工业园区华锐装饰工程有限公司 | Relay switching circuit |
-
2012
- 2012-05-15 CN CN 201220215295 patent/CN202633172U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683109A (en) * | 2012-05-15 | 2012-09-19 | 苏州工业园区华锐装饰工程有限公司 | Relay switching circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20130515 |