CN204792616U - Relay driving circuit - Google Patents
Relay driving circuit Download PDFInfo
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- CN204792616U CN204792616U CN201520516394.6U CN201520516394U CN204792616U CN 204792616 U CN204792616 U CN 204792616U CN 201520516394 U CN201520516394 U CN 201520516394U CN 204792616 U CN204792616 U CN 204792616U
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- triode
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- relay
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Abstract
The utility model belongs to the technical field of the electron, especially, relate to a relay driving circuit, including input J1, resistance R1, resistance R2, resistance R3, slide rheostat RP1, triode Q1, triode Q2, emitting diode D1, relay K1, output J2. The utility model discloses a drive circuit who comprises 2 triodes is given with the signal transmission to the input, and then transmits drive signal for the relay for then electrical works is exported the signal at last by the output, and whole circuit does not use the chip drive, and overall structure is simple, and is small, can the holistic energy consumption of greatly reduced system, practice thrift the electric energy.
Description
Technical field
The utility model belongs to electronic technology field, particularly relates to a kind of relay drive circuit.
Background technology
Big current high-voltage relay is often applied to the various electric power system including ac high voltage source, big current high-voltage relay inside is generally provided with drive coil and metal clips contact, utilizes the energising of drive coil and power-off to control the closed of metal clips contact respectively and disconnect.Compared to common relay, during the work of big current high-voltage relay, the inductance charging and discharging effects of its drive coil is comparatively obvious, relay may be caused to open and close the time longer, and metal clips contact easily produces harmful electric arc in the process being transitioned into off-state from closure state, output voltage fluctuation also may be produced because of the mechanical springing action of shell fragment when opening.But current relay drive circuit, adopt chip drives, its volume greatly, not easy of integration, manufacturing cost is high.
Summary of the invention
The utility model provides a kind of relay drive circuit, and to solve in above-mentioned background technology, current relay drive circuit, adopts chip drives, the problem that its volume is large, manufacturing cost is high.
The technical problem that the utility model solves realizes by the following technical solutions: the utility model provides a kind of relay drive circuit, it is characterized in that: comprise input J1, resistance R1, resistance R2, resistance R3, slide rheostat RP1, triode Q1, triode Q2, light-emitting diode D1, relay K 1, output J2, one end of described input J1 connecting resistance R2, one end of the other end connecting resistance R3 of described resistance R2, the base stage of triode Q1, the emitter of described triode Q1 connects the emitter of triode Q2, the other end of resistance R3 and all ground connection, the base stage of its collector connecting transistor Q2, one end of resistance R1, the pin 3 of relay K 1, the collector electrode of described triode Q2 meets voltage+5V, the other end of the pin 2 connecting resistance R1 of described relay K 1 and all meet voltage+5V, its pin 1 connects the pin 1 of slide rheostat RP1, the anode of its pin 4 sending and receiving optical diode D1, the minus earth of described light-emitting diode D1, the pin 2 of described slide rheostat RP1 connects its pin 3 and all meets output J2.
Described triode Q1 selects the triode of NPN type number.
Described triode Q2 selects the triode of NPN type number.
The beneficial effects of the utility model are:
1, signal transmission is given the drive circuit be made up of 2 triodes by input of the present utility model, and then drive singal is passed to relay, make relay work, finally signal is exported by output, whole circuit does not use chip drives, and overall structure is simple, and volume is little, greatly can reduce the energy consumption of entire system, saves energy.
2, drive circuit of the present utility model adopts two triode designs, utilize the unipolarity of triode, setting relay entry condition, input signal meets entry condition, then relay work, and input signal does not meet entry condition, then triode not conducting, then relay does not work, and greatly saves overall energy consumption, improves system reliability.
3, the utility model adopts the design of light emitting diode lamp, and when relay work, light emitting diode lamp is bright, then goes out when waiting relay not work, can the working condition of intuitive judgment relay, is convenient to keep in repair.
4, the utility model entirety adopts general components and parts, and each device is relatively more cheap, and low cost of manufacture is easy of integration, good reliability.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment:
As shown in Figure 1: the present embodiment comprises: input J1, resistance R1, resistance R2, resistance R3, slide rheostat RP1, triode Q1, triode Q2, light-emitting diode D1, relay K 1, output J2, one end of input J1 connecting resistance R2, one end of the other end connecting resistance R3 of resistance R2, the base stage of triode Q1, the emitter of triode Q1 connects the emitter of triode Q2, the other end of resistance R3 and all ground connection, the base stage of its collector connecting transistor Q2, one end of resistance R1, the pin 3 of relay K 1, the collector electrode of triode Q2 meets voltage+5V, the other end of the pin 2 connecting resistance R1 of relay K 1 and all meet voltage+5V, its pin 1 connects the pin 1 of slide rheostat RP1, the anode of its pin 4 sending and receiving optical diode D1, the minus earth of light-emitting diode D1, the pin 2 of slide rheostat RP1 connects its pin 3 and all meets output J2, triode Q1 selects the triode of NPN type number, triode Q2 selects the triode of NPN type number.
Signal transmission is given the drive circuit be made up of 2 triodes by input of the present utility model, and then drive singal is passed to relay, make relay work, finally signal is exported by output, whole circuit does not use chip drives, and overall structure is simple, and volume is little, greatly can reduce the energy consumption of entire system, saves energy; Adopt two triode designs, utilize the unipolarity of triode, setting relay entry condition, input signal meets entry condition, then relay work, input signal does not meet entry condition, then triode not conducting, then relay does not work, and greatly saves overall energy consumption, improves system reliability; Adopt the design of light emitting diode lamp, when relay work, light emitting diode lamp is bright, then goes out when waiting relay not work, can the working condition of intuitive judgment relay, is convenient to keep in repair; The components and parts that overall employing is general, each device is relatively more cheap, and low cost of manufacture is easy of integration, good reliability.
Utilize the technical solution of the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection range of the present utility model.
Claims (3)
1. a relay drive circuit, it is characterized in that: comprise input J1, resistance R1, resistance R2, resistance R3, slide rheostat RP1, triode Q1, triode Q2, light-emitting diode D1, relay K 1, output J2, one end of described input J1 connecting resistance R2, one end of the other end connecting resistance R3 of described resistance R2, the base stage of triode Q1, the emitter of described triode Q1 connects the emitter of triode Q2, the other end of resistance R3 and all ground connection, the base stage of its collector connecting transistor Q2, one end of resistance R1, the pin 3 of relay K 1, the collector electrode of described triode Q2 meets voltage+5V, the other end of the pin 2 connecting resistance R1 of described relay K 1 and all meet voltage+5V, its pin 1 connects the pin 1 of slide rheostat RP1, the anode of its pin 4 sending and receiving optical diode D1, the minus earth of described light-emitting diode D1, the pin 2 of described slide rheostat RP1 connects its pin 3 and all meets output J2.
2. a kind of relay drive circuit according to claim 1, is characterized in that: described triode Q1 selects the triode of NPN type number.
3. a kind of relay drive circuit according to claim 1, is characterized in that: described triode Q2 selects the triode of NPN type number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520516394.6U CN204792616U (en) | 2015-07-16 | 2015-07-16 | Relay driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520516394.6U CN204792616U (en) | 2015-07-16 | 2015-07-16 | Relay driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204792616U true CN204792616U (en) | 2015-11-18 |
Family
ID=54532615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520516394.6U Expired - Fee Related CN204792616U (en) | 2015-07-16 | 2015-07-16 | Relay driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204792616U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444506A (en) * | 2016-10-18 | 2017-02-22 | 数源科技股份有限公司 | Relay drive and detection module of glass breaker |
| CN106871632A (en) * | 2017-03-15 | 2017-06-20 | 昆明理工大学 | A kind of industrial powder material micro-wave drying real-time control apparatus |
| CN110323812A (en) * | 2019-04-11 | 2019-10-11 | 郑州旭洲电子科技有限公司 | A kind of electric automobile charging pile driving circuit |
-
2015
- 2015-07-16 CN CN201520516394.6U patent/CN204792616U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444506A (en) * | 2016-10-18 | 2017-02-22 | 数源科技股份有限公司 | Relay drive and detection module of glass breaker |
| CN106444506B (en) * | 2016-10-18 | 2023-09-12 | 数源科技股份有限公司 | Relay driving and detecting module of glass breaker |
| CN106871632A (en) * | 2017-03-15 | 2017-06-20 | 昆明理工大学 | A kind of industrial powder material micro-wave drying real-time control apparatus |
| CN106871632B (en) * | 2017-03-15 | 2023-03-31 | 昆明理工大学 | Real-time control device for microwave heating and drying of industrial powder materials |
| CN110323812A (en) * | 2019-04-11 | 2019-10-11 | 郑州旭洲电子科技有限公司 | A kind of electric automobile charging pile driving 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 |
Granted publication date: 20151118 Termination date: 20160716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |