CN108377026B - Single-wire power-taking circuit based on wall switch - Google Patents
Single-wire power-taking circuit based on wall switch Download PDFInfo
- Publication number
- CN108377026B CN108377026B CN201810435423.4A CN201810435423A CN108377026B CN 108377026 B CN108377026 B CN 108377026B CN 201810435423 A CN201810435423 A CN 201810435423A CN 108377026 B CN108377026 B CN 108377026B
- Authority
- CN
- China
- Prior art keywords
- circuit
- switch
- voltage stabilizing
- output
- input
- 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.)
- Active
Links
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 38
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims description 12
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- H02J2007/10—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a single-wire power taking circuit based on a wall switch, which can normally work even though an intelligent switch with larger working current is needed, and the single-wire power taking circuit comprises: the switching input contact access terminal, the switching output contact output terminal, the live wire access terminal, the rectifying circuit, the voltage stabilizing circuit, the rechargeable battery, the bidirectional controllable electronic switch and the bidirectional triggering circuit are arranged between the live wire access terminal and the switching input contact access terminal, two ends of the bidirectional triggering circuit are respectively connected with the live wire access terminal and the triggering point of the bidirectional controllable electronic switch, the direct current positive electrode output terminal of the rectifying circuit is connected with the input terminal of the voltage stabilizing circuit, the direct current grounding terminal of the rectifying circuit, the grounding terminal of the voltage stabilizing circuit and the negative electrode of the rechargeable battery are connected, and the positive electrode output terminal of the voltage stabilizing circuit and the positive electrode of the rechargeable battery are connected; and a negative half-cycle charging circuit is also arranged between the output end of the switch output contact and the input end of the voltage stabilizing circuit. The single-wire power taking circuit is mainly used in a single-live wire junction box.
Description
Technical Field
The invention relates to a single-wire power taking circuit, in particular to a single-wire power taking circuit based on a wall switch.
Background
As is well known, there is typically no neutral wire and only one hot wire in most junction boxes where only conventional wall switches are installed. At present, with the continuous popularization of intelligent switches and the continuous improvement of living standards of people, it is hoped to control electric equipment such as lamps and lanterns by modifying the intelligent switches to replace traditional wall switches. However, since the zero line is not provided, the power taking current cannot exceed a few microamps under the condition that the electric equipment such as a lamp does not work, and thus, the power taking of a plurality of intelligent switches which can work normally only with a large working current is very difficult.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the single-wire power taking circuit based on the wall switch is provided, wherein the intelligent switch with larger working current can work normally.
In order to solve the technical problems, the invention adopts the following technical scheme: a single wire power circuit based on a wall switch, comprising: the switching input contact access terminal, the switching output contact output terminal, the live wire access terminal, the direct current voltage output terminal, the direct current grounding output terminal, the rectifying circuit, the voltage stabilizing circuit, the input filter circuit, the output filter circuit, the rechargeable battery, the bidirectional controllable electronic switch and the bidirectional triggering circuit, wherein two power supply access terminals of the bidirectional controllable electronic switch are respectively connected with the live wire access terminal and the switching input contact access terminal, two ends of the bidirectional triggering circuit are respectively connected with the live wire access terminal and the triggering point of the bidirectional controllable electronic switch, two alternating current terminals of the rectifying circuit are respectively connected with the live wire access terminal and the switching input contact access terminal, the direct current positive electrode output terminal of the rectifying circuit is connected with the positive terminal of the input filter circuit and the input terminal of the voltage stabilizing circuit, and the direct current grounding terminal of the rectifying circuit, the grounding terminal of the input filter circuit, the grounding terminal of the voltage stabilizing circuit, the negative electrode of the rechargeable battery and the direct current grounding output terminal of the voltage stabilizing circuit are connected; and a negative half-cycle charging circuit is also arranged between the output end of the switch output contact and the input end of the voltage stabilizing circuit.
In the single-wire power taking circuit based on the wall switch, the bidirectional controllable electronic switch is a bidirectional thyristor, and the bidirectional trigger circuit comprises a pair of voltage stabilizing tubes, the anodes of the pair of voltage stabilizing tubes are connected, and the cathodes of the pair of voltage stabilizing tubes are respectively connected with a trigger end connected with a live wire and the bidirectional thyristor.
As a preferred solution, in the single-wire power taking circuit based on a wall switch, the specific structure of the negative half-cycle charging circuit includes: and the two ends of the charging current-limiting resistor are respectively connected with the input end of the voltage stabilizing circuit and the output end of the switch output contact, and the two ends of the charging current-limiting resistor are connected with a charging current-limiting capacitor in parallel.
In a preferred embodiment, in the single-wire power taking circuit based on a wall switch, the rechargeable battery is a rechargeable lithium battery.
In one preferred embodiment, in the single-wire power taking circuit based on a wall switch, the rechargeable battery is a rechargeable button lithium battery.
In one preferable scheme, in the single-wire power taking circuit based on the wall switch, a load preset circuit is arranged between an input end of the voltage stabilizing circuit and a grounding end of the voltage stabilizing circuit.
As a preferred solution, in the single-wire power taking circuit based on a wall switch, the specific structure of the load preset circuit includes: and the two ends of the load preset resistor are respectively connected with the input end of the voltage stabilizing circuit and the grounding end of the voltage stabilizing circuit.
The beneficial effects of the invention are as follows: the single-wire power taking circuit adopts the rechargeable battery and the negative half-cycle charging circuit, has a very simple structure, and enables the rechargeable battery to provide working current when the intelligent switch needs larger current in working, and enables the negative half-cycle charging circuit to provide working current for the intelligent switch and charge the rechargeable battery when the intelligent switch is in a standby state, so that a very economical and ideal solution is provided for the intelligent switch needing larger working current, and single-wire power taking of the intelligent switch is very simple.
Drawings
Fig. 1 is a schematic diagram of the electrical principle structure of a single-wire power taking circuit based on a wall switch.
Detailed Description
The following describes in detail a specific embodiment of a single-wire power taking circuit based on a wall switch according to the present invention with reference to the accompanying drawings.
As shown in fig. 1, the single-wire power taking circuit based on the wall switch of the invention structurally comprises: the switch input contact access terminal L1, the switch output contact output terminal L2, the live wire access terminal L, the direct current voltage output terminal VCC, the direct current grounding output terminal GND, a rectifying circuit formed by a rectifying bridge D3 with the model MB6S, a voltage stabilizing circuit U2 for providing 3.3V working voltage, an input filter circuit formed by an input filter capacitor C3, an output filter circuit formed by a first output filter capacitor C4 and a second filter capacitor C5 which are connected in parallel, a 3.3V rechargeable button lithium battery BAT, a bidirectional trigger circuit formed by a bidirectional silicon controlled SCR serving as a bidirectional controllable electronic switch and two 12V voltage stabilizing tubes D1 and D2, anodes of the pair of voltage stabilizing tubes D1 and D2 are connected, cathodes of the voltage stabilizing tubes D1 and D2 are respectively connected with trigger ends of the access live wire L and the bidirectional silicon controlled SCR, two power supply access ends of the bidirectional thyristor SCR are respectively connected with the live wire access end L and the switch input contact access end L1, two alternating current ends of the rectifier bridge D3 are respectively connected with the live wire access end and the switch input contact access end, a direct current positive electrode output end of the rectifier bridge D3 is connected with a positive electrode end of the input filter capacitor C3 and an input end of the voltage stabilizing circuit U2, a direct current grounding end of the rectifier bridge D3, a grounding end of the input filter capacitor C3, a grounding end of the voltage stabilizing circuit U2, a grounding end of the first output filter capacitor C4 and the second output filter capacitor C5, a negative electrode of the 3.3V rechargeable button lithium battery BAT and a direct current grounding output end GND, and a positive electrode output end of the voltage stabilizing circuit U2, a positive electrode of the first output filter capacitor C4 and the second output filter capacitor C5, and a positive electrode of the 3.3V rechargeable button lithium battery BAT are connected with a direct current voltage output end VCC; and a negative half-cycle charging circuit is further arranged between the output end L2 of the switch output contact and the input end of the voltage stabilizing circuit U2, and the specific structure of the negative half-cycle charging circuit comprises: the charging current-limiting resistor R1, the both ends of charging current-limiting resistor R1 link to each other with voltage stabilizing circuit U2's input and switch output contact output L2 respectively, and charging current-limiting capacitor C1 has been parallelly connected at charging current-limiting resistor R1's both ends. In this embodiment, a load preset resistor R2 serving as a load preset circuit is disposed between the input end of the voltage stabilizing circuit U2 and the ground end of the voltage stabilizing circuit U2, and two ends of the load preset resistor R2 are respectively connected with the input end of the voltage stabilizing circuit U2 and the ground end of the voltage stabilizing circuit U2.
In practical application, a group of normally open contacts controlled by a relay J1 can be adopted as the switch K1.
During actual operation, the output end L2 of the switch output contact forms a loop with the zero line N through loads such as a LAMP LAMP and the like; when the intelligent switch works and needs larger current, the 3.3V rechargeable button lithium battery BAT directly provides working current, and when the intelligent switch is in a standby state, the negative half-cycle charging circuit provides working current for the intelligent switch and charges the 3.3V rechargeable button lithium battery BAT.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, but rather the equivalent variations and modifications in shape, construction, characteristics and spirit according to the scope of the claims should be construed to be included in the scope of the claims.
Claims (6)
1. A single wire power circuit based on a wall switch, comprising: switch input contact access end, switch output contact output end, live wire access end, direct voltage output end and direct current ground output end, its characterized in that, single line get electric circuit still including: the device comprises a rectifying circuit, a voltage stabilizing circuit, an input filter circuit, an output filter circuit, a rechargeable battery, a bidirectional controllable electronic switch and a bidirectional trigger circuit, wherein two power supply access ends of the bidirectional controllable electronic switch are respectively connected with a live wire access end and a switch input contact access end, two ends of the bidirectional trigger circuit are respectively connected with a live wire access end and a trigger point of the bidirectional controllable electronic switch, two alternating current ends of the rectifying circuit are respectively connected with an access live wire and a switch input contact access end, a direct current positive electrode output end of the rectifying circuit is connected with a positive electrode end of the input filter circuit and an input end of the voltage stabilizing circuit, a direct current grounding end of the rectifying circuit, a grounding end of the input filter circuit, a grounding end of the voltage stabilizing circuit, a negative electrode of the output filter circuit, a direct current grounding output end of the rechargeable battery are connected, and a positive electrode of the output filter circuit and a direct current voltage output end of the rechargeable battery are connected; a negative half-cycle charging circuit is also arranged between the output end of the switch output contact and the input end of the voltage stabilizing circuit; the specific structure of the negative half cycle charging circuit comprises: and the two ends of the charging current-limiting resistor are respectively connected with the input end of the voltage stabilizing circuit and the output end of the switch output contact, and the two ends of the charging current-limiting resistor are connected with a charging current-limiting capacitor in parallel.
2. The single-wire power-taking circuit based on a wall switch as defined in claim 1, wherein said bidirectional controllable electronic switch is a bidirectional thyristor, said bidirectional trigger circuit comprises a pair of voltage-stabilizing tubes, the anodes of said pair of voltage-stabilizing tubes are connected, and the cathodes of said pair of voltage-stabilizing tubes are connected with the trigger ends of the incoming live wire and the bidirectional thyristor, respectively.
3. The wall switch-based single wire power take-off circuit of claim 1, wherein said rechargeable battery is a rechargeable lithium battery.
4. A wall switch based single wire power take off circuit according to claim 3 wherein said rechargeable battery is a rechargeable button lithium battery.
5. A wall switch based single wire power take-off circuit according to any one of claims 1 to 4 wherein a load preset circuit is provided between the input of the voltage regulator circuit and the ground of the voltage regulator circuit.
6. The single-wire power taking circuit based on a wall switch as defined in claim 5, wherein said load preset circuit has a specific structure comprising: and the two ends of the load preset resistor are respectively connected with the input end of the voltage stabilizing circuit and the grounding end of the voltage stabilizing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435423.4A CN108377026B (en) | 2018-05-09 | 2018-05-09 | Single-wire power-taking circuit based on wall switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810435423.4A CN108377026B (en) | 2018-05-09 | 2018-05-09 | Single-wire power-taking circuit based on wall switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108377026A CN108377026A (en) | 2018-08-07 |
| CN108377026B true CN108377026B (en) | 2023-12-19 |
Family
ID=63033186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810435423.4A Active CN108377026B (en) | 2018-05-09 | 2018-05-09 | Single-wire power-taking circuit based on wall switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108377026B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111162683B (en) * | 2020-01-22 | 2021-09-14 | 上海晶丰明源半导体股份有限公司 | Power conversion circuit and method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998034438A1 (en) * | 1997-01-31 | 1998-08-06 | Motorola Inc. | Electronic ballast with lamp current valley-fill power factor correction |
| CN201097308Y (en) * | 2007-10-30 | 2008-08-06 | 李全忠 | Intelligent 3-in-1 computer power |
| CN201118495Y (en) * | 2007-11-13 | 2008-09-17 | 上海宝钢设备检修有限公司 | Electromotor-held brake loop control circuit |
| CN203279316U (en) * | 2013-06-20 | 2013-11-06 | 惠州市宏枫实业有限公司 | Single-live line acousto-optic control emergency centralized control circuit |
| CN103812366A (en) * | 2012-11-08 | 2014-05-21 | 上海儒竞电子科技有限公司 | Three phase controllable rectification circuit |
| CN203827185U (en) * | 2014-05-07 | 2014-09-10 | 昂宝电子（上海）有限公司 | Switching power supply circuit being compatible with various communication command and supporting multistage buck-boost |
| CN208046290U (en) * | 2018-05-09 | 2018-11-02 | 张家港市佰瑞普电器科技有限公司 | A kind of single-line electricity-getting circuit based on switch on wall |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2013201587B2 (en) * | 2012-03-27 | 2016-07-14 | Hendon Semiconductors Pty Ltd | An electronic control system for operating a street lamp |
-
2018
- 2018-05-09 CN CN201810435423.4A patent/CN108377026B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998034438A1 (en) * | 1997-01-31 | 1998-08-06 | Motorola Inc. | Electronic ballast with lamp current valley-fill power factor correction |
| CN201097308Y (en) * | 2007-10-30 | 2008-08-06 | 李全忠 | Intelligent 3-in-1 computer power |
| CN201118495Y (en) * | 2007-11-13 | 2008-09-17 | 上海宝钢设备检修有限公司 | Electromotor-held brake loop control circuit |
| CN103812366A (en) * | 2012-11-08 | 2014-05-21 | 上海儒竞电子科技有限公司 | Three phase controllable rectification circuit |
| CN203279316U (en) * | 2013-06-20 | 2013-11-06 | 惠州市宏枫实业有限公司 | Single-live line acousto-optic control emergency centralized control circuit |
| CN203827185U (en) * | 2014-05-07 | 2014-09-10 | 昂宝电子（上海）有限公司 | Switching power supply circuit being compatible with various communication command and supporting multistage buck-boost |
| CN208046290U (en) * | 2018-05-09 | 2018-11-02 | 张家港市佰瑞普电器科技有限公司 | A kind of single-line electricity-getting circuit based on switch on wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108377026A (en) | 2018-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204335015U (en) | A kind ofly support the fiery switch of the list of wireless two-way communication | |
| CN204697345U (en) | A kind of centralized control electronic switching circuit | |
| CN102570552A (en) | Multifunctional control and protection circuit for storage battery power supply | |
| CN106208225A (en) | The charging active circuit of rechargeable battery | |
| CN105162313A (en) | Flyback switching power supply | |
| CN108377026B (en) | Single-wire power-taking circuit based on wall switch | |
| CN206804838U (en) | Wireless battery logging | |
| CN205195230U (en) | Circuit in earthleakage protective equipment automation | |
| CN208046290U (en) | A kind of single-line electricity-getting circuit based on switch on wall | |
| CN212573046U (en) | On-state power taking circuit, intelligent single-live-wire switch module and intelligent single-live-wire switch | |
| CN207531122U (en) | A kind of LED fishing lamps power supply output switching circuit | |
| CN205304596U (en) | Last electric soft charging circuit of electrolytic capacitor | |
| CN205544356U (en) | Adopt constant voltage charge circuit that floats ground formula | |
| CN210380681U (en) | Alternating current series connection electricity-taking circuit | |
| CN108233520A (en) | A kind of photovoltaic generation electric storage device | |
| CN213093889U (en) | Output soft start switch control circuit of switching power supply | |
| CN209844853U (en) | A high-voltage board intelligence fuse gets electric installation for having auxiliary power supply | |
| CN204633617U (en) | The surge-prevention soft starting circuit of Switching Power Supply | |
| CN111885788A (en) | On-state power taking circuit, intelligent single-live-wire switch module and intelligent single-live-wire switch | |
| CN102611182A (en) | Super capacitance charger | |
| CN201789481U (en) | Novel delay switch | |
| CN217563383U (en) | Low-power consumption standby circuit | |
| CN211377606U (en) | Non-contact electric field induction power taking circuit and device | |
| CN109004713A (en) | power supply device | |
| CN211296287U (en) | Breaker device of intelligence combined floodgate |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Zhangjiagang City People's road Tangqiao town Suzhou City, Jiangsu province 215611 Zhangjiagang City Bai Ruipu Electric Technology Co. Ltd. Applicant after: Jiangsu bairuipu Intelligent Technology Co.,Ltd. Address before: Zhangjiagang City People's road Tangqiao town Suzhou City, Jiangsu province 215611 Zhangjiagang City Bai Ruipu Electric Technology Co. Ltd. Applicant before: ZHANGJIAGANG CITY BAREP ELECTRICAL TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215615 bairuipu, no.6, Xionghua Road, Tangqiao town, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant after: Jiangsu bairuipu Intelligent Technology Co.,Ltd. Address before: Zhangjiagang City People's road Tangqiao town Suzhou City, Jiangsu province 215611 Zhangjiagang City Bai Ruipu Electric Technology Co. Ltd. Applicant before: Jiangsu bairuipu Intelligent Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |