CN106783401A - A kind of energy-saving resistance-capacitance depressurization relay drive circuit - Google Patents
A kind of energy-saving resistance-capacitance depressurization relay drive circuit Download PDFInfo
- Publication number
- CN106783401A CN106783401A CN201611254821.3A CN201611254821A CN106783401A CN 106783401 A CN106783401 A CN 106783401A CN 201611254821 A CN201611254821 A CN 201611254821A CN 106783401 A CN106783401 A CN 106783401A
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- CN
- China
- Prior art keywords
- relay
- circuit
- resistance
- power supply
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
Abstract
The invention discloses a kind of energy-saving resistance-capacitance depressurization relay drive circuit, including relay power supply circuit and voltage input power supply circuit, on-off circuit, AC power provides working power, i.e. voltage input power supply circuit after leading up to rectifying and wave-filtering to provide the voltage input of control signal to relay；All the way by rectifying and wave-filtering for relay coil provides working power, i.e. relay power supply circuit；The controlled source control of on-off circuit, shut-off and closure by the control signal and then control relay of voltage input.The power supply circuit of voltage input and relay, two-way power supply is independently arranged, and is independent of each other, and to reduce stand-by power consumption, solves the problems, such as that the stand-by power consumption of resistance-capacitance depressurization control relay circuit is high, reduces circuit design cost, improves the service life of circuit.
Description
Technical field
The present invention relates to electronic switch field, more particularly, to a kind of energy-saving resistance-capacitance depressurization relay drive circuit.
Background technology
In current electronic switch field, major part employs the power source design of resistance-capacitance depressurization, and the program has circuit theory
Simply, the advantage of low cost；Electronic switch is opened or closed using Control, is a kind of conventional control device, conventional at present
Control relay circuit often use control power supply and powered offer electric energy to relay coil, and with single-chip microcomputer as representative
Voltage input output to the control signal of relay, but in such technology, there is also some shortcomings, for example：No matter relay
Whether device works, and the voltage-regulator diode in power circuit can be constantly in working condition, and in holding state, stand-by power consumption is suitable
Height, it is difficult to meet requirement of the stand-by power consumption less than 0.3W.
The content of the invention
The present invention provides a kind of energy-saving resistance-capacitance depressurization relay drive circuit, is used to solve prior art power consumption excessive
Problem.
In order to solve the above technical problems, the technical solution adopted in the present invention is：A kind of energy-saving resistance-capacitance depressurization relay
Drive circuit, including independent relay power supply circuit and voltage input power supply circuit, the relay power supply circuit input connect
AC power is connect, DC voltage is exported after accessing current rectifying and wave filtering circuit after capacitance-resistance voltage reduction circuit is depressured for relay is powered.
Preferably, the voltage input power supply circuit bag is sequentially connected commutation diode D1, resistance R3, voltage-regulator diode
Z1, commutation diode D1 positive pole incoming transport power supplys, voltage-regulator diode Z1 two ends are parallel with filter capacitor C2.
Preferably, the capacitance-resistance voltage reduction circuit includes the electric capacity C1 and resistance R2 in parallel with electric capacity C1.
Preferably, also including the on-off circuit of controlled source control, the on-off circuit includes triode Q1, triode Q1
The connection voltage input that base stage passes through resistance R4, collector connection relay feeder ear, grounded emitter.
Preferably, also including being parallel to the discharge diode at relay two ends.
Preferably, also including the on-off circuit of controlled source control, the on-off circuit includes controllable silicon Q1 ', its control
End connection voltage input, positive pole connection relay feeder ear, negative pole ground connection.
Compared with prior art, the present invention has the advantages that：Relay is powered and relay control in the present invention
Source processed is powered and be separately independently arranged, and capacitance-resistance voltage reduction circuit is used in relay power supply circuit, does not have voltage-regulator diode；Voltage input is supplied
Using being exported after diode and voltage-stabiliser tube rectifying and voltage-stabilizing, in the standby state, relay power supply circuit does not consume electric energy to electricity, makes electricity
Road power consumption drops to very low, solves the problems, such as that the stand-by power consumption of resistance-capacitance depressurization control relay circuit is high, enables stand-by power consumption index
Meet international standards, while circuit design cost can be reduced, improve circuit service life.
Brief description of the drawings
Fig. 1 is first embodiment of the invention schematic diagram；
Fig. 2 is second embodiment of the invention schematic diagram.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, it is the embodiment 1 of the energy-saving resistance-capacitance depressurization relay drive circuit.The circuit include after
Electric power supply circuit, voltage input power supply circuit and on-off circuit.The circuit is powered by AC power, and AC power is first by protecting
It is divided into two-way after dangerous silk F1, antisurge resistance R1.Lead up to after rectifying and wave-filtering to provide the control of control signal to relay
Source provides working power, i.e. voltage input power supply circuit；All the way by rectifying and wave-filtering for relay coil provides working power, i.e., after
Electric power supply circuit.The control of on-off circuit controlled source, by the shut-off of the control signal and then control relay of voltage input and
Closure.The power supply circuit of voltage input and relay, two-way power supply is independently arranged, and is independent of each other, to reduce stand-by power consumption.
In the present embodiment, voltage input power supply circuit includes the halfwave rectifier diode D1, resistance R3, the voltage stabilizing two that are sequentially connected in series
Pole pipe Z1, DC voltage VCC is exported for voltage input is powered by voltage-regulator diode Z1 voltage stabilizings end, and voltage input is generally the intelligence such as single-chip microcomputer
Can control chip.Relay power supply circuit includes the capacitance-resistance voltage reduction circuit and rectifier bridge of resistance R2 and electric capacity the C1 composition of parallel connection,
AC power by after fuse F1, antisurge resistance R1, then by capacitance-resistance voltage reduction circuit input rectifying bridge, by rectifier bridge rectification
Direct current is exported afterwards for relay RL1 powers, and the two poles of the earth of the relay RL1 coils are also connected with sustained diode 2.Switch electricity
Road includes triode Q1, and the colelctor electrode of triode Q1 is connected with relay RL1 coils one end, and the base stage of triode Q1 passes through resistance
R4 connects voltage input, the grounded emitter of triode Q1.Electric capacity C3 is the filter capacitor after rectifier bridge BR1 rectifications, is relay
The continuous operating voltage that RL1 provides stabilization makes relay steady operation.Control source signal is input into by one end of resistance R4, is driven
The on or off of dynamic triode Q1, so that control relay RL1 works.
Embodiment as shown in Figure 2, it is with the difference of embodiment 1：The switch that the drive circuit breaker in middle circuit is used
Device is different, and the present embodiment breaker in middle device uses controllable silicon Q1 ', its control end connection voltage input, positive pole connection relay to supply
Electric end, negative pole ground connection.Now, filter capacitor C3 is connected to the two poles of the earth of relay RL1 coils, makes relay coil working power steady
It is fixed, meanwhile, electric capacity C3 pulsed discharges can prevent controllable silicon from being turned off in zero-crossing of alternating current, and its control end connects control by resistance R4
Circuit processed, receives shut-off and the closure of control signal and then control relay contact.This connected mode electric capacity is using common electricity
Hold, without high pressure resistant electric capacity, with cost-effective.The circuit other structures of the present embodiment are identical with embodiment one, herein not
Repeat.
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but can not
Therefore the limitation to the scope of the claims of the present invention is interpreted as, as long as the skill obtained in the form of equivalent or equivalent transformation
Art scheme, all should fall within the scope and spirit of the invention.
Claims (6)
1. a kind of energy-saving resistance-capacitance depressurization relay drive circuit, it is characterised in that：Including independent relay power supply circuit and
Voltage input power supply circuit, the relay power supply circuit input connects AC power, is depressured by capacitance-resistance voltage reduction circuit and is followed by
DC voltage is exported for relay is powered after entering current rectifying and wave filtering circuit.
2. energy-saving resistance-capacitance depressurization relay drive circuit according to claim 1, it is characterised in that：The voltage input is powered
Commutation diode D1, resistance R3, voltage-regulator diode Z1 that circuit bag is sequentially connected, commutation diode D1 positive poles incoming transport electricity
Source, voltage-regulator diode Z1 two ends are parallel with filter capacitor C2.
3. energy-saving resistance-capacitance depressurization relay drive circuit according to claim 1, it is characterised in that：The resistance-capacitance depressurization electricity
Road includes the electric capacity C1 and resistance R2 in parallel with electric capacity C1.
4. energy-saving resistance-capacitance depressurization relay drive circuit according to claim 1, it is characterised in that：Also include controlled source
The on-off circuit of control, the on-off circuit includes triode Q1, the connection voltage input that triode Q1 base stages pass through resistance R4, collection
Electrode connects relay feeder ear, grounded emitter.
5. energy-saving resistance-capacitance depressurization relay drive circuit according to claim 1, it is characterised in that：Also include be parallel to after
The discharge diode at electrical equipment two ends.
6. energy-saving resistance-capacitance depressurization relay drive circuit according to claim 1, it is characterised in that：Also include controlled source
The on-off circuit of control, the on-off circuit includes controllable silicon Q1 ', and its control end connection voltage input, positive pole connection relay is supplied
Electric end, negative pole ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254821.3A CN106783401A (en) | 2016-12-30 | 2016-12-30 | A kind of energy-saving resistance-capacitance depressurization relay drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254821.3A CN106783401A (en) | 2016-12-30 | 2016-12-30 | A kind of energy-saving resistance-capacitance depressurization relay drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106783401A true CN106783401A (en) | 2017-05-31 |
Family
ID=58953214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254821.3A Pending CN106783401A (en) | 2016-12-30 | 2016-12-30 | A kind of energy-saving resistance-capacitance depressurization relay drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106783401A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735551A (en) * | 2018-07-18 | 2018-11-02 | 珠海格力电器股份有限公司 | Relay controls side reduction voltage circuit, relay and electrical equipment |
| CN108770159A (en) * | 2018-07-27 | 2018-11-06 | 广东好太太科技集团股份有限公司 | A kind of circuit and method improving UV lamp service life |
Citations (5)
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| CN101741269A (en) * | 2009-12-31 | 2010-06-16 | 深圳和而泰智能控制股份有限公司 | Capacitor voltage-dropping power supply circuit and device thereof |
| CN202351726U (en) * | 2011-10-28 | 2012-07-25 | 浙江爱仕达电器股份有限公司 | Resistance and capacitance step-down control circuit |
| CN203871274U (en) * | 2014-05-09 | 2014-10-08 | 杭州和而泰智能控制技术有限公司 | Energy-saving resistive-capacitive step-down relay control circuit |
| CN205356293U (en) * | 2015-12-31 | 2016-06-29 | 深圳飞安瑞电子科技有限公司 | Stand -by power consumption is zero resistance -capacitance step -down power supply double key switching on and shutting down circuit |
| CN206293365U (en) * | 2016-12-30 | 2017-06-30 | 陆正平 | A kind of energy-saving resistance-capacitance depressurization relay drive circuit |
-
2016
- 2016-12-30 CN CN201611254821.3A patent/CN106783401A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741269A (en) * | 2009-12-31 | 2010-06-16 | 深圳和而泰智能控制股份有限公司 | Capacitor voltage-dropping power supply circuit and device thereof |
| CN202351726U (en) * | 2011-10-28 | 2012-07-25 | 浙江爱仕达电器股份有限公司 | Resistance and capacitance step-down control circuit |
| CN203871274U (en) * | 2014-05-09 | 2014-10-08 | 杭州和而泰智能控制技术有限公司 | Energy-saving resistive-capacitive step-down relay control circuit |
| CN205356293U (en) * | 2015-12-31 | 2016-06-29 | 深圳飞安瑞电子科技有限公司 | Stand -by power consumption is zero resistance -capacitance step -down power supply double key switching on and shutting down circuit |
| CN206293365U (en) * | 2016-12-30 | 2017-06-30 | 陆正平 | A kind of energy-saving resistance-capacitance depressurization relay drive circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108735551A (en) * | 2018-07-18 | 2018-11-02 | 珠海格力电器股份有限公司 | Relay controls side reduction voltage circuit, relay and electrical equipment |
| CN108735551B (en) * | 2018-07-18 | 2023-11-03 | 珠海格力电器股份有限公司 | Relay control side step-down circuit, relay and electric equipment |
| CN108770159A (en) * | 2018-07-27 | 2018-11-06 | 广东好太太科技集团股份有限公司 | A kind of circuit and method improving UV lamp service life |
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| PB01 | Publication | ||
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Application publication date: 20170531 |