CN107046418A - A kind of single live wire power getting circuit - Google Patents
A kind of single live wire power getting circuit Download PDFInfo
- Publication number
- CN107046418A CN107046418A CN201710251147.1A CN201710251147A CN107046418A CN 107046418 A CN107046418 A CN 107046418A CN 201710251147 A CN201710251147 A CN 201710251147A CN 107046418 A CN107046418 A CN 107046418A
- Authority
- CN
- China
- Prior art keywords
- triode
- power
- live wire
- relay
- termination
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
Abstract
The invention discloses a kind of single live wire power getting circuit, including relay RLY1, OFF state power-supply circuit, ON state power-supply circuit and relay drive circuit；The input termination civil power live wire of OFF state power-supply circuit, output relay termination RLY1 switch input terminal, the termination control signal Vi of relay drive circuit one, the other end is connected with one end of relay RLY1 control coils；Relay RLY1 output switching terminal point two-way, load is connect all the way, another road connects ON state power-supply circuit, the pressure drop power taking produced during OFF state by bidirectional triode thyristor SCR1, voltage-regulator diode Z1 and voltage-regulator diode Z2, by transformer T1, triode Q2 and triode the Q3 oscillating circuit constituted and mu balanced circuit power taking during ON state, working power is provided for control circuit, it is small with caloric value, service life is long, the advantages of low in energy consumption.
Description
Technical field
The present invention relates to a kind of power supply, particularly a kind of single live wire power supply circuit for exchanging controlling switch.
Background technology
Audio-switch, infrared sensing switch, radar switch, touch switch etc. are in the case where switch is off state, it is necessary to
Single live wire power getting is that OFF state is powered to maintain to control circuit normal work, and current OFF state power supply circuit is resistance-capacitance type, capacitance-resistance
Its voltage attenuation of the power supply circuit of formula is serious, and caloric value is big, and the life-span is shorter.
The content of the invention
In order to overcome the deficiencies in the prior art, a kind of caloric value of present invention offer is small, and service life is long, single fire low in energy consumption
Line power-supply circuit.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of single live wire power getting circuit, including relay RLY1, OFF state power-supply circuit, ON state power-supply circuit and relay driving electricity
Road；The input termination civil power live wire of the OFF state power-supply circuit, output termination relay RLY1 switch input terminal is described
The termination control signal Vi of relay drive circuit one, the other end is connected with one end of the relay RLY1 control coils；It is described
Relay RLY1 output switching terminal point two-way, connects load, another road connects the ON state power-supply circuit all the way；The OFF state power taking
Circuit includes bridge heap BR1, bidirectional triode thyristor SCR1, voltage-regulator diode Z1 and voltage-regulator diode Z2；Four of the bridge heap BR1 connect
Line end is followed successively by live wire incoming end, control output end, fire wire output end and earth terminal clockwise；The live wire access termination
The civil power live wire, the control output end connects the other end of the relay RLY1 control coils, and the fire wire output end connects
The switch input terminal of the relay RLY1, the earth terminal ground connection；A termination bridge heap of the bidirectional triode thyristor SCR1
BR1 live wire incoming end, another termination fire wire output end；Voltage-regulator diode Z1 and voltage-regulator diode the Z2 differential concatenations
Afterwards, the control end of a termination bidirectional triode thyristor SCR1, another termination bridge heap BR1 live wire incoming end.
The relay drive circuit includes NPN type triode Q1, and the base stage of the triode Q1 meets institute by resistance R1
Control signal Vi is stated, grounded emitter, colelctor electrode is connected with one end of the relay RLY1 control coils.
Diode D1 is parallel between the two ends of the relay RLY1 control coils.
The ON state power-supply circuit includes NPN type triode Q2, NPN type triode Q3 and transformer T1；The transformer
T1 is provided with three windings of same iron core, and one end of first winding is grounded by electric capacity C3, one end ground connection of second winding,
One end ground connection of 3rd winding；The triode Q3, triode Q2 colelctor electrode pass sequentially through resistance R3, resistance R2 after connecing altogether
The output switching terminal of the relay RLY1 is connect with diode D2；The grounded emitter of the triode Q2；The triode Q3
Emitter stage pass through in parallel electric capacity C1 and resistance R5 ground connection；The other end of first winding point two-way, connects described all the way
Triode Q3 base stage, another road connects the resistance R3 and resistance R2 node；The other end of second winding passes through electricity
Hold the node that C2 meets the triode Q3, triode Q2 colelctor electrode and resistance R3；The other end of 3rd winding is successively
The base stage of the triode Q2 is connect by diode D3, voltage-regulator diode Z3, resistance R4；And in the diode D3 and voltage stabilizing two
Electric capacity EC1 is connected between pole pipe Z3 node and ground.
The beneficial effects of the invention are as follows：The present invention is in OFF state by bidirectional triode thyristor SCR1, voltage-regulator diode Z1 and steady
The pressure drop power taking for pressing diode Z2 to produce, the concussion electricity being made up of in ON state transformer T1, triode Q2 and triode Q3
Road and mu balanced circuit power taking, provide working power, small with caloric value, service life is long, the advantages of low in energy consumption for control circuit.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the circuit theory diagrams of the present invention.
Embodiment
Reference picture 1, a kind of single live wire power getting circuit, including relay RLY1, OFF state power-supply circuit, ON state power-supply circuit and
Relay drive circuit；The input termination civil power live wire of the OFF state power-supply circuit, output terminates opening for the relay RLY1
Close input, the termination control signal Vi of relay drive circuit one, the other end and the relay RLY1 control coils
One end is connected；The output switching terminal of the relay RLY1 point two-way, connects load all the way, and another road connects the ON state power taking electricity
Road.
The OFF state power-supply circuit includes bridge heap BR1, bidirectional triode thyristor SCR1, voltage-regulator diode Z1 and voltage-regulator diode
Z2；Four terminals of the bridge heap BR1 be followed successively by clockwise live wire incoming end, control output end, fire wire output end and
Earth terminal；The live wire access termination civil power live wire, the control output end connects the relay RLY1 control coils
The other end, the fire wire output end connects the switch input terminal of the relay RLY1, the earth terminal ground connection；It is described two-way controllable
Silicon SCR1 termination bridge heap BR1 live wire incoming end, another termination fire wire output end；The voltage-regulator diode Z1
After voltage-regulator diode Z2 differential concatenations, the control end of a termination bidirectional triode thyristor SCR1, another termination bridge heap BR1
Live wire incoming end.
The relay drive circuit includes NPN type triode Q1, and the base stage of the triode Q1 meets institute by resistance R1
Control signal Vi is stated, grounded emitter, colelctor electrode is connected with one end of the relay RLY1 control coils.
Diode D1 is parallel between the two ends of the relay RLY1 control coils.
The ON state power-supply circuit includes NPN type triode Q2, NPN type triode Q3 and transformer T1；The transformer
T1 is provided with three windings of same iron core coupling, and one end of first winding is grounded by electric capacity C3, one end of second winding
Ground connection, one end ground connection of the 3rd winding；The triode Q3, triode Q2 colelctor electrode passed sequentially through after connecing altogether resistance R3,
Resistance R2 and diode D2 connect the output switching terminal of the relay RLY1；The grounded emitter of the triode Q2；Described three
Pole pipe Q3 emitter stage is grounded by electric capacity C1 and resistance R5 in parallel；The other end of first winding point two-way, meets institute all the way
Triode Q3 base stage is stated, another road connects the resistance R3 and resistance R2 node；The other end of second winding passes through
Electric capacity C2 connects the triode Q3, triode Q2 colelctor electrode and resistance R3 node；The other end of 3rd winding according to
The secondary base stage that the triode Q2 is met by diode D3, voltage-regulator diode Z3, resistance R4；And in the diode D3 and voltage stabilizing
Electric capacity EC1 is connected between diode Z3 node and ground.
Resistance R1, resistance R2, resistance R3, resistance R4, resistance R5 play metering function, and diode D1 has been afterflow effect, three
Pole pipe Q1, triode Q2, triode Q3 play on-off action, and diode D2, diode D3 play rectified action, electric capacity C1 and resistance R5
Discharge loop is constituted, electric capacity C2, electric capacity C3 are feedback capacity, and electric capacity EC1 is filter capacitor, and triode Q3 constitutes mu balanced circuit.
During OFF state, control circuit does not have control signal Vi inputs（Control signal Vi is low level）When, triode Q1 cut-offs, relay
RLY1 is in release conditions, and the voltage needed for control circuit provides working power by the voltage at bidirectional triode thyristor SCR1 two ends（Control
Output end processed is power taking port）, there is control signal Vi inputs（Control signal Vi is high level）When, triode Q1 conductings, relay
Device RLY1 is in attracting state, while voltage-regulator diode Z1 and voltage-regulator diode Z2 conductings, the electricity at bidirectional triode thyristor SCR1 two ends
Pressure is reduced between 1-3.5V, it is impossible to provide enough working powers, the vibration that triode Q2, electric capacity C3 are constituted for control circuit
Circuit brings the voltage up to 12V or 24V, provides working power for control circuit, small with caloric value, service life is long, power consumption
Low advantage.
Claims (4)
1. a kind of single live wire power getting circuit, including relay RLY1, OFF state power-supply circuit, ON state power-supply circuit and relay driving
Circuit；The input termination civil power live wire of the OFF state power-supply circuit, output termination relay RLY1 switch input terminal, institute
The termination control signal Vi of relay drive circuit one is stated, the other end is connected with one end of the relay RLY1 control coils；Institute
Relay RLY1 output switching terminal point two-way is stated, load is connect all the way, another road connects the ON state power-supply circuit；It is characterized in that
The OFF state power-supply circuit includes bridge heap BR1, bidirectional triode thyristor SCR1, voltage-regulator diode Z1 and voltage-regulator diode Z2；The bridge
Heap BR1 four terminals are followed successively by live wire incoming end, control output end, fire wire output end and earth terminal clockwise；Institute
The live wire access termination civil power live wire is stated, the control output end connects the other end of the relay RLY1 control coils, institute
State the switch input terminal that fire wire output end meets the relay RLY1, the earth terminal ground connection；The bidirectional triode thyristor SCR1's
One termination bridge heap BR1 live wire incoming end, another termination fire wire output end；The voltage-regulator diode Z1 and voltage stabilizing two
After pole pipe Z2 differential concatenations, the control end of a termination bidirectional triode thyristor SCR1, another termination bridge heap BR1 live wire connects
Enter end.
2. single live wire power getting circuit according to claim 1, it is characterised in that the relay drive circuit includes NPN type
Triode Q1, the triode Q1 base stage meet the control signal Vi by resistance R1, grounded emitter, colelctor electrode with it is described
One end connection of relay RLY1 control coils.
3. single live wire power getting circuit according to claim 1, it is characterised in that the two of the relay RLY1 control coils
Diode D1 is parallel between end.
4. single live wire power getting circuit according to claim 1, it is characterised in that the ON state power-supply circuit includes NPN type three
Pole pipe Q2, NPN type triode Q3 and transformer T1；The transformer T1 is provided with three windings of same iron core, first winding
One end be grounded by electric capacity C3, one end ground connection of second winding, one end ground connection of the 3rd winding；The triode Q3,
Triode Q2 colelctor electrode passed sequentially through after connecing altogether resistance R3, resistance R2 and diode D2 connect the relay RLY1 switch it is defeated
Go out end；The grounded emitter of the triode Q2；The emitter stage of the triode Q3 is connect by electric capacity C1 and resistance R5 in parallel
Ground；The other end of first winding point two-way, connects the base stage of the triode Q3 all the way, another road connect the resistance R3 and
Resistance R2 node；The other end of second winding connects the triode Q3, triode Q2 colelctor electrode by electric capacity C2
With resistance R3 node；The other end of 3rd winding passes sequentially through diode D3, voltage-regulator diode Z3, resistance R4 and meets institute
State triode Q2 base stage；And it is connected with electric capacity EC1 between the diode D3 and voltage-regulator diode Z3 node and ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251147.1A CN107046418B (en) | 2017-04-18 | 2017-04-18 | Single live wire power-taking circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251147.1A CN107046418B (en) | 2017-04-18 | 2017-04-18 | Single live wire power-taking circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107046418A true CN107046418A (en) | 2017-08-15 |
| CN107046418B CN107046418B (en) | 2020-07-14 |
Family
ID=59545223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710251147.1A Active CN107046418B (en) | 2017-04-18 | 2017-04-18 | Single live wire power-taking circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107046418B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882483A (en) * | 2018-07-09 | 2018-11-23 | 成都市和门友道智能科技有限公司 | A kind of three tunnels control single live wire power getting system |
| CN111491423A (en) * | 2020-03-27 | 2020-08-04 | 普联技术有限公司 | Single-fire switch circuit and single-fire switch device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0767254A (en) * | 1993-08-27 | 1995-03-10 | Kawahara Denki Seisakusho:Kk | Power saving unit |
| US6548993B1 (en) * | 2000-11-03 | 2003-04-15 | Visteon Global Technologies, Inc. | Power supply module having internal energy storage circuit for stable oscillation |
| WO2008027893A2 (en) * | 2006-08-30 | 2008-03-06 | Texas Instruments Incorporated | Single wire synchronization circuitry for power converters |
| CN203166577U (en) * | 2013-03-19 | 2013-08-28 | 天门格润科技发展有限公司 | Self-excited oscillation type solar mobile-phone charger structure |
| CN203883795U (en) * | 2014-05-22 | 2014-10-15 | 重庆工商职业学院 | Single-live-wire intelligent switch control circuit |
| CN203942508U (en) * | 2014-05-28 | 2014-11-12 | 福建侨汇电子科技有限公司 | Single live wire type Intelligent remote-controlled touch switch |
| CN204145306U (en) * | 2014-09-17 | 2015-02-04 | 中山市东升镇洪东电子五金加工厂 | One is non-determines frequency power circuit structure |
| CN204217167U (en) * | 2014-09-04 | 2015-03-18 | 厦门网拓科技有限公司 | Single live wire touches lamp control switch |
| CN204616153U (en) * | 2015-04-22 | 2015-09-02 | 安徽信安通讯技术有限公司 | A kind of fiery power-supply circuit of list of single live wire switch |
| CN205793566U (en) * | 2016-05-30 | 2016-12-07 | 宁波公牛电器有限公司 | A kind of single live wire switch |
-
2017
- 2017-04-18 CN CN201710251147.1A patent/CN107046418B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0767254A (en) * | 1993-08-27 | 1995-03-10 | Kawahara Denki Seisakusho:Kk | Power saving unit |
| US6548993B1 (en) * | 2000-11-03 | 2003-04-15 | Visteon Global Technologies, Inc. | Power supply module having internal energy storage circuit for stable oscillation |
| WO2008027893A2 (en) * | 2006-08-30 | 2008-03-06 | Texas Instruments Incorporated | Single wire synchronization circuitry for power converters |
| CN203166577U (en) * | 2013-03-19 | 2013-08-28 | 天门格润科技发展有限公司 | Self-excited oscillation type solar mobile-phone charger structure |
| CN203883795U (en) * | 2014-05-22 | 2014-10-15 | 重庆工商职业学院 | Single-live-wire intelligent switch control circuit |
| CN203942508U (en) * | 2014-05-28 | 2014-11-12 | 福建侨汇电子科技有限公司 | Single live wire type Intelligent remote-controlled touch switch |
| CN204217167U (en) * | 2014-09-04 | 2015-03-18 | 厦门网拓科技有限公司 | Single live wire touches lamp control switch |
| CN204145306U (en) * | 2014-09-17 | 2015-02-04 | 中山市东升镇洪东电子五金加工厂 | One is non-determines frequency power circuit structure |
| CN204616153U (en) * | 2015-04-22 | 2015-09-02 | 安徽信安通讯技术有限公司 | A kind of fiery power-supply circuit of list of single live wire switch |
| CN205793566U (en) * | 2016-05-30 | 2016-12-07 | 宁波公牛电器有限公司 | A kind of single live wire switch |
Non-Patent Citations (2)
| Title |
|---|
| 杨德石: "单火线智能开关的研究与设计", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
| 王振宇: "一款实用高性能开关电源的设计与实现", 《电测与仪表》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108882483A (en) * | 2018-07-09 | 2018-11-23 | 成都市和门友道智能科技有限公司 | A kind of three tunnels control single live wire power getting system |
| CN108882483B (en) * | 2018-07-09 | 2024-01-26 | 成都电精灵电力科技有限公司 | Three-way control single live wire power taking system |
| CN111491423A (en) * | 2020-03-27 | 2020-08-04 | 普联技术有限公司 | Single-fire switch circuit and single-fire switch device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107046418B (en) | 2020-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201146364Y (en) | Self-recovering type voltage deviation protector | |
| CN102142833A (en) | Silicon controlled trigger circuit | |
| CN107993892A (en) | A kind of power control circuit suitable for electric locomotive contactor | |
| CN107046418A (en) | A kind of single live wire power getting circuit | |
| CN106992668A (en) | A kind of alternating current-direct current Mixed design dc source | |
| CN107906697A (en) | Air conditioner | |
| CN204304789U (en) | Flyback power supply | |
| CN206758359U (en) | Control relay circuit and power circuit | |
| CN111416248B (en) | Wall-mounted air conditioner zero-power-consumption standby socket circuit with remote controller box | |
| CN207304498U (en) | A kind of inverse E class power amplification circuits | |
| CN207283501U (en) | A kind of inverse E class power amplification circuits | |
| CN103337841A (en) | Bidirectional current limiter based on bidirectional BUCK converter and bidirectional current limiting method thereof | |
| CN103956946B (en) | A kind of low-pressure high-power DC motor control circuit of band overcurrent protection | |
| CN203368331U (en) | Switch power supply with input under-voltage protection function | |
| CN206524760U (en) | A kind of power initiation system for high withstand voltage eclipsed form DC DC converters | |
| CN206341144U (en) | Low standby power circuit | |
| CN204442180U (en) | A kind of underloading interval puts initialization circuit | |
| CN205583999U (en) | Charging system based on power tube drive circuit | |
| CN203251084U (en) | Bi-directional current limiter based on bi-directional BUCK converter | |
| CN207082837U (en) | A kind of start-up surge protection circuit of common bus multiple-channel output direct current power supply | |
| WO2019109623A1 (en) | Mosfet digital-value output circuit | |
| CN206135717U (en) | Protect high -power system device's voltage output controlling means | |
| CN206775383U (en) | A kind of power circuit with fictitious load | |
| CN206472045U (en) | A kind of ac/dc supply convertor applied to open switch power supply | |
| CN105098858A (en) | Charger control system for realizing constant current and constant voltage by employing TOP22X integrated chip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221018 Address after: 271000 Middle Road, Beijipo Industrial Park, High tech Zone, Tai'an City, Shandong Province Patentee after: Tai'an Dongfang Printed Board Co.,Ltd. Address before: 528400 3rd floor, No. 85, second Taiyu Road, Jidong, Xiaolan Town, Zhongshan City, Guangdong Province Patentee before: Liu Shengquan |
|
| TR01 | Transfer of patent right |