CN2779590Y - Low energy consumption relay drive circuit - Google Patents
Low energy consumption relay drive circuit Download PDFInfo
- Publication number
- CN2779590Y CN2779590Y CN 200520055762 CN200520055762U CN2779590Y CN 2779590 Y CN2779590 Y CN 2779590Y CN 200520055762 CN200520055762 CN 200520055762 CN 200520055762 U CN200520055762 U CN 200520055762U CN 2779590 Y CN2779590 Y CN 2779590Y
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- relay coil
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- semiconductor switch
- switch pipe
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Abstract
The utility model relates to a relay drive circuit with low energy consumption, which comprises a relay coil KA, a follow current diode D1 connected with the relay coil KA in parallel, a semiconductor switching tube Q1 connected with the relay coil KA in series, and an input resistance R2 connected between the control terminal and the signal control terminal of the semiconductor switching tube Q1. The utility model is characterized in that a low resistance attracting starting circuit which supplies the attracting voltage of the relay coil KA is arranged in a return circuit of the relay coil KA, and a high resistance attracting maintaining circuit which supplies the maintaining voltage of the relay coil KA is arranged in the return circuit of the relay coil KA. The utility model has the advantages of small relay driving current, obvious energy saving effect, low coil temperature rise, long service life and simple and practical structure. A driving power supply can be matched easily. The utility model solves the problem of readiness flicker in a lighting control circuit without zero curves.
Description
Affiliated technical field
The utility model relates to a kind of relay drive circuit, particularly the low energy consumption relay drive circuit.
Background technology
In the modern automatic control equipment, all there is the problem that interconnects of an electronic circuit and electric circuit.To make on the one hand the control signal of electronic circuit can control the executive component (motor, electromagnet, electric light) of electric circuit, provide good electrical isolation for electronic circuit and electric circuit again on the other hand, with protection electronic circuit and personal safety.Relay is a device of finishing this function served as bridge, and its impact resistance and antisurge ability are far superior to other interface devices such as controllable silicons.
Relay drive circuit is made of coil, the triode of relay usually, and the base stage of triode receives the control signal of electronic circuit, and the collector electrode of triode, emitter are connected with coil, the executive component of relay contact control electric circuit.When transistor base receives high level continuity signal, the triode conducting, relay coil gets electric, and work is connected in the loop.The problem that prior art exists is, adopt constant rated voltage during the relay coil adhesive always, effectively do not utilize the relay adhesive to keep the characteristic that voltage can be lower than the adhesive starting resistor, relay coil will consume more electric energy, cause relay coil work temperature rise, the life-span reduces; The power supply design of relay drive circuit is complicated, particularly in capacitance resistance voltage-stabiliser tube power circuit, provide bigger drive current for relay coil, causes capacitance resistance parameter matching difficulty; In illumination control circuit (as no zero line electronic switch), there is big dark current accumulation and the standby scintillation of generation.
Summary of the invention
The purpose of this utility model is to design a kind of low energy consumption relay drive circuit, and it can reduce the energy consumption of relay coil significantly.
The purpose of this utility model is achieved in that a kind of low energy consumption relay drive circuit, comprise relay coil KA, sustained diode 1, the semiconductor switch pipe Q1 that connects with relay coil KA and be connected in input resistance R2 between semiconductor switch pipe Q1 control end and the signal controlling end, it is characterized in that having in the relay coil KA loop low-resistance adhesive start-up circuit that relay coil KA adhesive starting resistor is provided and the high resistant adhesive holding circuit that provides relay coil KA adhesive to keep voltage with relay coil KA parallel connection.
When starting adhesive with relay coil KA, the utility model, guarantees that relay has enough pick-up voltages and makes adhesive unshakable in one's determination through low-resistance adhesive loop; After the adhesive unshakable in one's determination, relay coil KA keeps the loop, voltage V through high resistant
DdKeep the relay adhesive through resistance R 1, the relay drive current reduces significantly, and coil temperature rise is low, and the life-span is long, and energy-saving effect is obvious; Driving power easily mates; Simple in structure, practical; In no zero line illumination control circuit, solved standby flicker problem.
Description of drawings
Below in conjunction with accompanying drawing low energy consumption control relay circuit most preferred embodiment of the present invention is elaborated.
Fig. 1 is the circuit theory diagrams of the utility model most preferred embodiment;
Fig. 2 is the second circuit schematic diagram of the utility model most preferred embodiment;
Fig. 3 is the tertiary circuit schematic diagram of the utility model most preferred embodiment;
Fig. 4 is the 4th circuit theory diagrams of the utility model most preferred embodiment;
Fig. 5 is the 5th circuit theory diagrams of the utility model most preferred embodiment;
Fig. 6 is the 6th circuit theory diagrams of the utility model most preferred embodiment;
Fig. 7 is the circuit theory diagrams of another embodiment of the utility model;
Fig. 8 is the second circuit schematic diagram of another embodiment of the utility model;
Fig. 9 is the tertiary circuit schematic diagram of another embodiment of the utility model;
Figure 10 is the 4th circuit theory diagrams of another embodiment of the utility model;
Figure 11 is the switching signal control principle figure of the another embodiment of the utility model;
Figure 12 is that the switching signal of the another embodiment of the utility model is controlled another schematic diagram;
Figure 13 is the Single-chip Controlling schematic diagram of the another embodiment of the utility model;
Figure 14 is another schematic diagram of Single-chip Controlling of the another embodiment of the utility model.
Embodiment
According to low energy consumption relay drive circuit shown in Figure 1, comprise relay coil KA, sustained diode 1, the semiconductor switch pipe Q1 that connects with relay coil KA and be connected in input resistance R2 between semiconductor switch pipe Q1 control end and the signal controlling end, low-resistance adhesive start-up circuit that relay coil KA adhesive starting resistor is provided and the high resistant adhesive holding circuit that provides relay coil KA adhesive to keep voltage are provided in the relay coil KA loop with relay coil KA parallel connection.High resistant adhesive holding circuit is the loop that semiconductor switch pipe Q1, relay coil KA connect with current-limiting resistance R1 and constitute, and as Fig. 1-shown in Figure 16, wherein: semiconductor switch pipe Q1 can be triode, field effect transistor etc.
Low-resistance adhesive start-up circuit is the loop that semiconductor switch pipe Q1, relay coil KA series circuit string have capacitor C 1 to constitute; Different and the semiconductor switch pipe Q1 that puts in order according to current-limiting resistance R1, relay coil KA and semiconductor switch pipe Q1 uses the difference of model (as NPN type or the positive-negative-positive with triode), can make up various circuit, as Fig. 1-shown in Figure 6; When the control signal end did not receive switching signal, capacitor C 1 had been put electricity by current-limiting resistance R1 earlier, carries out the preparation of the control of adhesive next time; In case control signal end CON receives switching signal, semiconductor switch pipe Q1 conducting, power supply charges to capacitor C 1 by relay coil KA, and is initial in the relay adhesive, voltage V
CCAll be added on the relay coil KA, guarantee that relay coil KA has enough pick-up voltages and makes adhesive unshakable in one's determination; After the adhesive unshakable in one's determination, voltage V
CCKeep the relay adhesive through current-limiting resistance R1, operating current is reduced significantly.
Low-resistance adhesive start-up circuit can also be semiconductor switch pipe Q1, relay coil KA series circuit two ends and the loop that has capacitor C 1 to constitute; The difference of the different and semiconductor switch pipe Q1 model that puts in order according to current-limiting resistance R1, relay coil KA and semiconductor switch pipe Q1 (as NPN type or the positive-negative-positive with triode) can make up various circuit, shown in Fig. 7-10; When the control signal end did not receive switching signal, capacitor C 1 elder generation is charged, and (voltage equaled V
CC), carry out the preparation of the control of adhesive next time; In case control signal end CON receives switching signal, semiconductor switch pipe Q1 conducting, capacitor C 1 is by relay coil KA discharge, and is initial in the relay adhesive, capacitance voltage all is added on the relay coil KA, guarantees that relay coil KA has enough pick-up voltages and makes adhesive unshakable in one's determination; After the adhesive unshakable in one's determination, voltage V
CCKeep the relay adhesive through current-limiting resistance R1, operating current is reduced significantly.
The loop that low-resistance adhesive start-up circuit can also be connected with the semiconductor switch pipe Q2 that is controlled by the start-up control circuit and constitute for relay coil KA is shown in Figure 11-14; Wherein: the start-up control circuit can be the switching signal control circuit of switching signal control semiconductor switch pipe Q2 break-make, as Figure 11, shown in Figure 12; Can also be the single chip machine controlling circuit of Single-chip Controlling semiconductor switch pipe Q2 break-make, as Figure 13, shown in Figure 14.As Figure 11, switching signal control circuit shown in Figure 12, be connected in signal controlling end, the other end by resistance R 3, an end and be connected in semiconductor switch pipe Q2 control end by resistance R 3 and form by resistance R 4, the capacitor C 1, resistance R 4 and the diode D2 that are connected in semiconductor switch pipe Q2 output by diode D2.CON receives switching signal when the control signal end, and when switching signal triggered semiconductor switch pipe Q1,1 charging produced trigger impulse to switching signal to capacitor C, makes semiconductor switch pipe Q2 conducting, voltage V
CCAll be added on the relay coil KA by semiconductor switch pipe Q2, initial in the relay adhesive, guaranteed that relay coil KA has enough pick-up voltages and makes adhesive unshakable in one's determination; After the adhesive unshakable in one's determination, switching signal triggers semiconductor switch pipe Q1 conducting, voltage V
CCKeep the relay adhesive through current-limiting resistance R1, operating current is reduced significantly.As Figure 13, single chip machine controlling circuit shown in Figure 14, be connected in the resistance R 3 that single-chip microcomputer signal controlling end, the other end be connected in semiconductor switch pipe Q2 control end by an end and form.CON receives switching signal when the control signal end, and when switching signal triggered semiconductor switch pipe Q1, switching signal triggered semiconductor switch pipe Q2 conducting, voltage V by resistance R 3
CCAll be added on the relay coil KA by semiconductor switch pipe Q2, initial in the relay adhesive, guaranteed that relay coil KA has enough pick-up voltages and makes adhesive unshakable in one's determination; After the adhesive unshakable in one's determination, switching signal triggers semiconductor switch pipe Q1 conducting, voltage V
CCKeep the relay adhesive through current-limiting resistance R1, operating current is reduced significantly.
During work, initial in the relay adhesive, low-resistance adhesive start-up circuit provides relay coil KA pick-up voltage, after the adhesive unshakable in one's determination, high resistant adhesive holding circuit provides relay coil KA to keep voltage, operating current is reduced by current-limiting resistance R1, has reduced the energy consumption of relay coil in working long hours significantly.
Claims (9)
1, a kind of low energy consumption relay drive circuit, comprise relay coil KA, sustained diode 1, the semiconductor switch pipe Q1 that connects with relay coil KA and be connected in input resistance R2 between semiconductor switch pipe Q1 control end and the signal controlling end, it is characterized in that having in the relay coil KA loop low-resistance adhesive start-up circuit that relay coil KA adhesive starting resistor is provided and the high resistant adhesive holding circuit that provides relay coil KA adhesive to keep voltage with relay coil KA parallel connection.
2, low energy consumption relay drive circuit according to claim 1 is characterized in that described high resistant adhesive holding circuit is the loop that described semiconductor switch pipe Q1, relay coil KA connect with current-limiting resistance R1 and constitute.
3, low energy consumption relay drive circuit according to claim 1 is characterized in that described low-resistance adhesive start-up circuit is the loop that described semiconductor switch pipe Q1, relay coil KA series circuit string have capacitor C 1 to constitute.
4, low energy consumption relay drive circuit according to claim 1 is characterized in that described low-resistance adhesive start-up circuit is described semiconductor switch pipe Q1, relay coil KA series circuit two ends and the loop that capacitor C 1 formation is arranged.
5, low energy consumption relay drive circuit according to claim 1 is characterized in that described low-resistance adhesive start-up circuit is the loop that described relay coil KA connects with the semiconductor switch pipe Q2 that is controlled by the start-up control circuit and constitutes.
6, low energy consumption relay drive circuit according to claim 5 is characterized in that described start-up control circuit is the switching signal control circuit of switching signal control semiconductor switch pipe Q2 break-make.
7, low energy consumption relay drive circuit according to claim 6 is characterized in that described switching signal control circuit is connected in signal controlling end, the other end by resistance R 3, an end and is connected in semiconductor switch pipe Q2 control end by resistance R 3 and forms by resistance R 4, the capacitor C 1, resistance R 4 and the diode D2 that are connected in semiconductor switch pipe Q2 output by diode D2.
8, low energy consumption relay drive circuit according to claim 5 is characterized in that described start-up control circuit is the single chip machine controlling circuit of Single-chip Controlling semiconductor switch pipe Q2 break-make.
9, low energy consumption relay drive circuit according to claim 8 is characterized in that described single chip machine controlling circuit is connected in the resistance R 3 that single-chip microcomputer signal controlling end, the other end be connected in semiconductor switch pipe Q2 control end by an end and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520055762 CN2779590Y (en) | 2005-03-12 | 2005-03-12 | Low energy consumption relay drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520055762 CN2779590Y (en) | 2005-03-12 | 2005-03-12 | Low energy consumption relay drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779590Y true CN2779590Y (en) | 2006-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520055762 Expired - Fee Related CN2779590Y (en) | 2005-03-12 | 2005-03-12 | Low energy consumption relay drive circuit |
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| CN (1) | CN2779590Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780261A (en) * | 2011-08-09 | 2012-11-14 | 北京佳讯飞鸿电气股份有限公司 | Driving device for railway disaster prevention system and train control system interface relay |
| CN102969201A (en) * | 2012-11-14 | 2013-03-13 | 中国船舶重工集团公司第七一九研究所 | Contact feedback type relay control system |
| CN103107046A (en) * | 2011-11-14 | 2013-05-15 | 力铭科技股份有限公司 | Relay drive circuit |
| CN103943409A (en) * | 2013-01-18 | 2014-07-23 | 张小军 | Circuit and method for reducing driving power consumption of direct current electromagnetic relay |
| CN104678195A (en) * | 2013-11-26 | 2015-06-03 | 上海普锐马电子有限公司 | Electrostatic discharge detecting circuit |
| CN104934263A (en) * | 2015-06-15 | 2015-09-23 | 成都广迈科技有限公司 | Relay control circuit capable of reducing power consumption |
| CN107134391A (en) * | 2017-06-07 | 2017-09-05 | 北京新能源汽车股份有限公司 | Relay control circuit and car |
| CN107946139A (en) * | 2017-12-20 | 2018-04-20 | 广汽丰田汽车有限公司 | The relay control system and method and vehicle of vehicle |
| CN108183049A (en) * | 2018-02-05 | 2018-06-19 | 广东美的制冷设备有限公司 | Relay drive circuit and air conditioner |
| CN108183048A (en) * | 2018-02-05 | 2018-06-19 | 广东美的制冷设备有限公司 | Relay drive circuit and air conditioner |
| CN109509680A (en) * | 2018-12-25 | 2019-03-22 | 深圳和而泰小家电智能科技有限公司 | Relay protection circuit |
| CN109659194A (en) * | 2018-12-29 | 2019-04-19 | 深圳中电长城能源有限公司 | A kind of control relay circuit and power supply |
| CN112349543A (en) * | 2019-08-09 | 2021-02-09 | 株洲中车时代电气股份有限公司 | Electromagnetic control element coil driving circuit and control method |
| CN112908777A (en) * | 2021-01-18 | 2021-06-04 | 珠海格力电器股份有限公司 | Power supply control device and method of relay and air conditioner |
| CN113793782A (en) * | 2021-09-18 | 2021-12-14 | 张家口畅美建筑工程有限公司 | Relay driving device based on low-voltage retention principle and driving method thereof |
-
2005
- 2005-03-12 CN CN 200520055762 patent/CN2779590Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780261A (en) * | 2011-08-09 | 2012-11-14 | 北京佳讯飞鸿电气股份有限公司 | Driving device for railway disaster prevention system and train control system interface relay |
| CN102780261B (en) * | 2011-08-09 | 2014-12-31 | 北京佳讯飞鸿电气股份有限公司 | Driving device for railway disaster prevention system and train control system interface relay |
| CN103107046A (en) * | 2011-11-14 | 2013-05-15 | 力铭科技股份有限公司 | Relay drive circuit |
| CN102969201A (en) * | 2012-11-14 | 2013-03-13 | 中国船舶重工集团公司第七一九研究所 | Contact feedback type relay control system |
| CN103943409A (en) * | 2013-01-18 | 2014-07-23 | 张小军 | Circuit and method for reducing driving power consumption of direct current electromagnetic relay |
| CN104678195A (en) * | 2013-11-26 | 2015-06-03 | 上海普锐马电子有限公司 | Electrostatic discharge detecting circuit |
| CN104934263A (en) * | 2015-06-15 | 2015-09-23 | 成都广迈科技有限公司 | Relay control circuit capable of reducing power consumption |
| CN107134391A (en) * | 2017-06-07 | 2017-09-05 | 北京新能源汽车股份有限公司 | Relay control circuit and car |
| CN107946139B (en) * | 2017-12-20 | 2020-01-10 | 广汽丰田汽车有限公司 | Relay control system and method of vehicle and vehicle |
| CN107946139A (en) * | 2017-12-20 | 2018-04-20 | 广汽丰田汽车有限公司 | The relay control system and method and vehicle of vehicle |
| CN108183049A (en) * | 2018-02-05 | 2018-06-19 | 广东美的制冷设备有限公司 | Relay drive circuit and air conditioner |
| CN108183048A (en) * | 2018-02-05 | 2018-06-19 | 广东美的制冷设备有限公司 | Relay drive circuit and air conditioner |
| CN108183049B (en) * | 2018-02-05 | 2019-07-30 | 广东美的制冷设备有限公司 | Relay drive circuit and air conditioner |
| CN108183048B (en) * | 2018-02-05 | 2019-08-16 | 广东美的制冷设备有限公司 | Relay drive circuit and air conditioner |
| CN109509680A (en) * | 2018-12-25 | 2019-03-22 | 深圳和而泰小家电智能科技有限公司 | Relay protection circuit |
| CN109659194A (en) * | 2018-12-29 | 2019-04-19 | 深圳中电长城能源有限公司 | A kind of control relay circuit and power supply |
| CN109659194B (en) * | 2018-12-29 | 2024-05-03 | 长城电源技术(广西)有限公司 | Relay control circuit and power supply |
| CN112349543A (en) * | 2019-08-09 | 2021-02-09 | 株洲中车时代电气股份有限公司 | Electromagnetic control element coil driving circuit and control method |
| CN112908777A (en) * | 2021-01-18 | 2021-06-04 | 珠海格力电器股份有限公司 | Power supply control device and method of relay and air conditioner |
| CN113793782A (en) * | 2021-09-18 | 2021-12-14 | 张家口畅美建筑工程有限公司 | Relay driving device based on low-voltage retention principle and driving method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |