CN107257600A - The switching device and detection circuit of a kind of compatible single live wire or zero live wire access - Google Patents
The switching device and detection circuit of a kind of compatible single live wire or zero live wire access Download PDFInfo
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- CN107257600A CN107257600A CN201710448606.5A CN201710448606A CN107257600A CN 107257600 A CN107257600 A CN 107257600A CN 201710448606 A CN201710448606 A CN 201710448606A CN 107257600 A CN107257600 A CN 107257600A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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Abstract
The invention discloses a kind of switching device and detection circuit of compatible single live wire or zero live wire access, including ON state power-supply circuit, OFF state power-supply circuit, energy storage component and switch block, the live wire connects ON state power-supply circuit, ON state power-supply circuit is connected with switch block and energy storage component respectively, the load line connecting valve part, live wire, load line and zero line are connected with OFF state power-supply circuit respectively, and OFF state power-supply circuit is connected to energy storage component；The ON state power-supply circuit, takes out stable energy stores in energy storage component when being on for switch block；The OFF state power-supply circuit includes power supply changeover device and the rectifier circuit being made up of multiple diode D1, D2, D3, D4, D5, D6；The switch block, load line break-make is connect for converting switch device；Whether circuit of the present invention can access zero line with detection switch device, and the energy that energy storage component storage ON state power-supply circuit is got simultaneously provides energy for MCU chip.
Description
Technical field
The invention belongs to single live wire switching technique field, it is related to the switch dress of a kind of compatible zero live wire or single live wire access
Put, and in particular to open the light device and the detection circuit of compatible single live wire or zero live wire access.
Background technology
With the raising that the continuous progress and people of science and technology are required living standard, the application of intelligent home device is increasingly
Popularization, as an indispensable part in intelligent home device, intelligent single live wire switch has obtained increasingly being widely applied,
The power on/off of intelligent home device can be controlled by receiving control instruction by intelligent single live wire switch.
Only zero line and the live wire having in existing switch magazine, the only live wire, therefore resulted in can not be whole having
The problem of compliant applications, the present invention is directed to the application environment of wireless intelligent switch, it is proposed that a kind of new technical scheme so that
Only single live wire can only install this wireless intelligent switch device in the case of zero line and live wire, provide significantly
The popularization rate of intelligent switch, while also solving user installation intelligent radio switch needs the puzzlement of rewiring.Current market
Upper most intelligent switch is terminal device, and network exchange experience is not good, and the present invention is detecting the situation of zero line access
Under, routing device is switched to, to improve user network interactive experience.
The content of the invention
It is an object of the invention to provide a kind of switching device and detection circuit of compatible single live wire or zero live wire access,
Only zero line and live wire, or only in the case of live wire in switch magazine are aimed to solve the problem that, so that intelligent switch dress can not be installed
Put, and by the switching device be capable of detecting whether access zero line technical problem.
In order to solve the above technical problems, the invention provides a kind of switch dress of compatible single live wire or zero live wire access
Put, including ON state power-supply circuit, OFF state power-supply circuit, energy storage component and switch block, the live wire connection ON state power-supply circuit,
ON state power-supply circuit is connected with switch block and energy storage component respectively, the load line connecting valve part, live wire, load line
And zero line is connected with OFF state power-supply circuit respectively, OFF state power-supply circuit is connected to energy storage component；
The ON state power-supply circuit, takes out stable energy stores in energy storage component when being on for switch block；
The OFF state power-supply circuit includes power supply changeover device and the rectifier bridge being made up of 6 diodes D1, D2, D3, D4, D5, D6
Circuit；
The energy storage component, energy is provided for storing the energy that ON state power-supply circuit is got, and for MCU chip；
The switch block, the break-make for controlling load line；
Zero line detection circuit, by diode D7, D8, resistance R1, R2, R3 and electric capacity C1, switching tube Q1 are constituted, two pole
It is direct current that pipe D7, which arranges alternating current, and resistance R1, R2 are to reduce detection circuit power consumption；Resistance R3, electric capacity C1 and diode
D8 constitutes mu balanced circuit.
The technical scheme that further limits of the present invention is：
Preferably, the rectifier circuit that the rectifier circuit is made up of multiple diode D1, D2, D3, D4, D5, D6, described two
Pole pipe D3 anode is connected to diode D4 negative electrode and load line, and diode D3 negative electrode is connected to D5 negative electrode, diode
The negative electrode connection of D5 anode and diode D6, while with live wire connection, diode D4 anode and diode D6 anode connect
Connect, diode D5 negative electrode and diode D6 anode are connected with power supply changeover device respectively.
Preferably, the diode D7 is commutation diode, and diode D2 is voltage-regulator diode.
Preferably, the switching device increases by one group of load line output, then need to only increase by two diodes.
Preferably, described resistance R1, R2 are current-limiting resistance.
Preferably, the ON state power-supply circuit work, when switch block access live wire, load line and zero line, switch block
In the conduction state, ON state power-supply circuit gets energy, and by the energy stores got into energy storage component.
Preferably, the OFF state power-supply circuit work, OFF state power-supply circuit input is made up of live wire and load line, rectification
It is direct current that bridge circuit, which arranges alternating current, and filter circuit is filtered to direct current.
Preferably, the live wire, load line and zero line access rectifier circuit input, diode D1, D2, D3, D4,
The rectifier circuit of D5, D6 composition, it is direct current that input AC, which is arranged,.
Preferably, during the access list live wire, OFF state power-supply circuit is started working when load line is in OFF state；It is described to connect
When entering zero line, OFF state power-supply circuit continuous firing, the enough switch blocks of energy that MCU chip is extracted work in route network mould
Formula.
Preferably, switch block is relay or metal-oxide-semiconductor.
Further,
The present invention also provides a kind of zero line detection circuit for access：
Zero line detection circuit is made up of diode D7, D8, resistance R1, R2, R3 and electric capacity C1, switching tube Q1, two pole
It is direct current that pipe D7, which arranges alternating current, and resistance R1, R2 are to reduce system power dissipation；Resistance R3, electric capacity C1 and diode D8 groups
Into mu balanced circuit；The switching tube Q1 grid voltages are stable more than Q1 conducting threshold voltage, switching tube Q1 drain electrode connection
To MCU chip, source class is connected to system earth signal, and during the switching device access zero line, switching tube Q1 grid voltage reaches
Itself conducting threshold values, then, Q1 conductings, drain voltage are pulled to ground, and MCU chip detects zero line presence.
Preferably, the switching device is not detected by zero line presence, then MCU chip works in terminal device pattern.
Preferably, when the switching device detects zero line, then MCU chip works in routing device pattern.
Beneficial effects of the present invention：
1st, the circuit that the present invention is designed no matter in the case of only live wire or zero line and live wire, can install this and open
Close device, significantly the popularization rate there is provided intelligent switch；Also solving user installation switching device needs rewiring simultaneously
Puzzlement；
2nd, the switching device is capable of the mode of operation of automatic transfer switch, can be switched to scene switch, binds the application of switch
Pattern；
3rd, the switching device also has zero line detection circuit, and MCU chip detects the presence of zero line, and intelligent object can work
In terminal device, and MCU chip power consumption can be reduced；
4th, MCU chip detects the presence of zero line, and intelligent object may operate in routing device pattern, can carry out more networks
Work.
Brief description of the drawings
Fig. 1 illustrates the theory diagram one of circuit of the present invention；
Fig. 2 illustrates the theory diagram two of circuit of the present invention；
Fig. 3 illustrates circuit diagram one of the present invention；
Fig. 4 illustrates the present invention without zero line switching device wiring diagram；
Fig. 5, which illustrates the present invention, zero line switching device wiring diagram.
Embodiment
For the ease of the understanding of those skilled in the art, the present invention is made further with reference to embodiment and accompanying drawing
It is bright, the content that embodiment is referred to not limitation of the invention.
Reference is as shown in 1,2, in the present embodiment 1, a kind of compatible single live wire or zero live wire access of the present invention
Switching device, including ON state power-supply circuit, OFF state power-supply circuit, energy storage component and switch block, the live wire connection ON state take
Circuit, ON state power-supply circuit is connected with switch block and energy storage component respectively, the load line connecting valve part, fire
Line, load line and zero line are connected with OFF state power-supply circuit respectively, and OFF state power-supply circuit is connected to energy storage component；
The ON state power-supply circuit, takes out stable energy stores in energy storage component when being on for switch block；
The OFF state power-supply circuit includes power supply changeover device and the rectifier bridge being made up of 6 diodes D1, D2, D3, D4, D5, D6
Circuit；
The energy storage component, energy is provided for storing the energy that ON state power-supply circuit is got, and for MCU chip；
The switch block, the break-make for controlling load line；
Zero line detection circuit, by diode D7, D8, resistance R1, R2, R3 and electric capacity C1, switching tube Q1 are constituted, two pole
It is direct current that pipe D7, which arranges alternating current, and resistance R1, R2 are to reduce system power dissipation；Resistance R3, electric capacity C1 and diode D8 groups
Into mu balanced circuit.
The rectifier circuit that the rectifier circuit is made up of multiple diode D1, D2, D3, D4, D5, D6, two pole
Pipe D3 anode is connected to diode D4 negative electrode and load line, and diode D3 negative electrode is connected to D5 negative electrode, diode D5
Anode and diode D6 negative electrode connection, while with live wire connection, diode D4 anode and diode D6 anode connection,
Diode D5 negative electrode and diode D6 anode are connected with power supply changeover device respectively.
The diode D7 is commutation diode, and diode D2 is voltage-regulator diode.
The diode D7 is commutation diode, D2 voltage-regulator diodes of diode.
Described resistance R1, R2 are current-limiting resistance.
The ON state power-supply circuit work, when switch block access live wire, load line and zero line, switch block is on
State, ON state power-supply circuit gets energy, and by the energy stores got into energy storage component.
The OFF state power-supply circuit work, OFF state power-supply circuit input is made up of live wire and load line, rectifier circuit
It is direct current that alternating current, which is arranged, and filter circuit is filtered to direct current.
The live wire, load line and zero line access rectifier circuit input, diode D1, D2, D3, D4, D5, D6 composition
Rectifier circuit, by input AC arrange be direct current.
During the access list live wire, OFF state power-supply circuit is started working when load line is in OFF state；The access zero line
When, OFF state power-supply circuit continuous firing, the enough switch blocks of energy that MCU chip is extracted work in route network pattern.
The switch block is relay or metal-oxide-semiconductor.
Specific embodiment is as described below：
OFF state power-supply circuit is by taking flyback sourse as an example：
First way：When switching device accesses live wire and load line, then, when turning on light, switch block closure, ON state power taking is electric
Road is worked, and the electricity of acquirement is present in energy storage component, energy is provided for MCU chip.
When the lamp is switched off, switch block disconnects, then OFF state power-supply circuit works, and now, the input of OFF state power-supply circuit is by fire
Line and load line composition, the rectifier circuit of diode D1, D2, D3, D4, D5, D6 composition, rectifier circuit manage alternating current
For direct current, direct current is filtered by filter circuit.Flyback transformer, power management chip and switching tube are responsible for energy and turned
Change.Feedback circuit is sampled by the assists winding of flyback transformer, and sampled voltage is sent into power management chip, power management core
Piece is by analytical sampling voltage, and switch tube sends drive signal, and the primary conversion to secondary energy of control flyback transformer makes
Obtain the stable voltage of secondary acquisition.Secondary commutation filter circuit is arranged to the secondary electric energy of flyback transformer, is filtered into stabilization
Low-voltage electric energy, be stored in accumulator.
The second way：When switching device accesses live wire, load line and zero line, then, when turning on light, ON state power-supply circuit
Work, will obtain electrical power storage in energy storage component, then now, the OFF state power-supply circuit being made up of live wire, zero line also works.
When the lamp is switched off, switch block disconnects, then OFF state power-supply circuit works, and now, the input of OFF state power-supply circuit is by fire
Line, and load line line composition, rectifier bridge by alternating current arrange be direct current, after be filtered by filter circuit.Transformer, power supply
Managing chip and switching tube are responsible for energy conversion.Feedback circuit, is sampled by the assists winding of transformer, sampled voltage is sent to
Power management chip, power management chip sends drive signal by analytical sampling voltage, switch tube, controls primary
Conversion to secondary energy so that secondary obtains stable voltage.Secondary arranges filter circuit and transformer secondary output electric energy is carried out
Arrange, be filtered into stable low-voltage electric energy, be stored in accumulator.
The third mode：When switching device accesses live wire, load line and zero line, when the lamp is switched off, by OFF state power-supply circuit
Work.
When the lamp is switched off, switch block disconnects, then OFF state power-supply circuit works, and now, the input of OFF state power-supply circuit is by fire
Line, and load line line composition, rectifier bridge by alternating current arrange be direct current, after be filtered by filter circuit.Transformer, power supply
Managing chip and switching tube are responsible for energy conversion.Feedback circuit, is sampled by the assists winding of transformer, sampled voltage is sent to
Power management chip, power management chip sends drive signal by analytical sampling voltage, switch tube, controls primary
Conversion to secondary energy so that secondary obtains stable voltage.Secondary arranges filter circuit and transformer secondary output electric energy is carried out
Arrange, be filtered into stable low-voltage electric energy, be stored in accumulator.
Embodiment 2
A kind of the present embodiment switching device of compatible single live wire or zero live wire access, is opened with compatible zero live wire in 1 tunnel, single live wire
Exemplified by the device of pass：
As shown in figure 4, when switching device is accessed magazine by user, will if now magazine only has live wire and load line line
Zero line and load line are terminated into switching device, and now, zero line detection circuit is not worked, and MCU chip is detected at switching device
In single live wire mode of operation.
As shown in figure 5, when switching device is accessed magazine by user, if now there is live wire, zero line simultaneously in magazine
With load line line, then three kinds of lines can be simultaneously accessed on the corresponding terminal of switching device, now, zero line passes through diode D7,
Give voltage-regulator diode D8 chargings so that switching tube Q1 is turned on, ground is forgotten about it into Q1 drain electrodes, MCU chip, which detects switching device, to be had
In the environment of zero line, now, switching device is switched to route mode of operation,
Embodiment 3 additionally provides a kind of zero line detection circuit for access：
Zero line detection circuit is made up of diode D7, D8, resistance R1, R2, R3 and electric capacity C1, switching tube Q1, two pole
It is direct current that pipe D7, which arranges alternating current, and resistance R1, R2 are to reduce system power dissipation；Resistance R3, electric capacity C1 and diode D8 groups
Into mu balanced circuit；The switching tube Q1 grid voltages are stable more than Q1 conducting threshold voltage, switching tube Q1 drain electrode connection
To MCU chip, source class is connected to system earth signal, and during the switching device access zero line, switching tube Q1 grid voltage reaches
Itself conducting threshold values, then, Q1 conductings, drain voltage are pulled to ground, and MCU chip detects zero line presence.
The switching device is not detected by zero line presence, then MCU chip works in terminal device pattern.
When the switching device detects zero line, then MCU chip works in routing device pattern.
The technological thought of above example only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme each falls within the scope of the present invention
Within.
Claims (12)
1. a kind of compatible single live wire or the switching device of zero live wire access, including ON state power-supply circuit, OFF state power-supply circuit, storage
Can part and switch block, it is characterised in that the live wire connects ON state power-supply circuit, ON state power-supply circuit respectively with switch portion
Part and energy storage component are connected, the load line line connecting valve part, and live wire, load line and zero line are electric with OFF state power taking respectively
Road is connected, and OFF state power-supply circuit is connected to energy storage component；
The ON state power-supply circuit, takes out stable energy stores in energy storage component when being on for switch block；
The OFF state power-supply circuit includes power supply changeover device and the rectifier bridge electricity being made up of diode D1, D2, D3, D4, D5, D6
Road；
The energy storage component, energy is provided for storing the energy that ON state power-supply circuit is got, and for MCU chip；
The switch block, the break-make for controlling load line；
Zero line detection circuit, by diode D7, D8, resistance R1, R2, R3 and electric capacity C1, switching tube Q1 are constituted, two pole
It is direct current that pipe D7, which arranges alternating current, and resistance R1, R2 are to reduce detection circuit power consumption；Resistance R3, electric capacity C1 and diode
D8 constitutes mu balanced circuit.
2. compatible single live wire according to claim 1 or the switching device of zero live wire access, it is characterised in that described whole
The rectifier circuit that stream bridge circuit is made up of multiple diode D1, D2, D3, D4, D5, D6, the anode connection of the diode D3
To diode D4 negative electrode and load line, diode D3 negative electrode is connected to D5 negative electrode, diode D5 anode and diode
D6 negative electrode connection, while with live wire connection, diode D4 anode and diode D6 anode are connected, diode D5 negative electrode
It is connected respectively with power supply changeover device with diode D6 anode.
3. compatible single live wire according to claim 1 or the switching device of zero live wire access, it is characterised in that described to open
Closing device increases by one group of load line output, then rectification circuit only needs to increase by two diodes.
4. compatible single live wire according to claim 1 or the switching device of zero live wire access, it is characterised in that described two
Pole pipe D7 is commutation diode, and diode D2 is voltage-regulator diode.
5. compatible single live wire according to claim 1 or the switching device of zero live wire access, it is characterised in that the electricity
It is current-limiting resistance to hinder R1, R2.
6. compatible single live wire according to claim 1 or the switching device of zero live wire access, it is characterised in that described to open
State power-supply circuit works, and when switch block access live wire, load line and zero line, switch block is in the conduction state, ON state power taking
Circuit gets energy, and by the energy stores got into energy storage component.
7. the switching device of the compatible single live wire or the access of zero live wire according to claims 1, it is characterised in that described
OFF state power-supply circuit is worked, and OFF state power-supply circuit input is made up of live wire and load line, and rectifier circuit arranges alternating current
For direct current, filter circuit is filtered to direct current.
8. the switching device that compatible single live wire or zero live wire are accessed according to claim 1, it is characterised in that the fire
Line, load line and zero line access rectifier circuit input, the rectifier circuit of diode D1, D2, D3, D4, D5, D6 composition,
It is direct current that input AC, which is arranged,.
9. compatible single live wire according to claim 1 or the switching device of zero live wire access, it is characterised in that described to connect
When entering single live wire, OFF state power-supply circuit is started working when load line is in OFF state；During the access zero line, OFF state power-supply circuit
Continuous firing, the enough switch blocks of energy that MCU chip is extracted work in route network pattern.
10. based on a kind of zero line detection circuit for access described in claim 1-9, it is characterised in that zero line detection circuit
By diode D7, D8, resistance R1, R2, R3 and electric capacity C1, switching tube Q1 are constituted, and it is straight that the diode D7, which arranges alternating current,
Stream electricity, resistance R1, R2 are to reduce system power dissipation；Resistance R3, electric capacity C1 and diode D8 composition mu balanced circuits；The switching tube
Q1 grid voltages are stable more than Q1 conducting threshold voltage, and switching tube Q1 drain electrode is connected to MCU chip, and source class, which is connected to, is
System earth signal, during the switching device access zero line, switching tube Q1 grid voltage reaches itself conducting threshold values, then, Q1 conductings,
Drain voltage is pulled to ground, and MCU chip detects zero line presence.
11. zero line detection circuit for access according to claim 10, it is characterised in that the switching device is not detected by zero
Line is present, then MCU chip works in terminal device pattern.
12. zero line detection circuit for access according to claim 10, it is characterised in that the switching device detects zero line
When, then MCU chip works in routing device pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448606.5A CN107257600B (en) | 2017-06-14 | 2017-06-14 | Switching device compatible with single-live wire or zero-live wire access and detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710448606.5A CN107257600B (en) | 2017-06-14 | 2017-06-14 | Switching device compatible with single-live wire or zero-live wire access and detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107257600A true CN107257600A (en) | 2017-10-17 |
| CN107257600B CN107257600B (en) | 2023-08-11 |
Family
ID=60023232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710448606.5A Active CN107257600B (en) | 2017-06-14 | 2017-06-14 | Switching device compatible with single-live wire or zero-live wire access and detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107257600B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108377597A (en) * | 2018-04-08 | 2018-08-07 | 深圳绿米联创科技有限公司 | Current regulating circuit, method and the intelligent domestic system of single firewire switch |
| CN108541123A (en) * | 2018-05-28 | 2018-09-14 | 福州松佳电子技术有限公司 | A kind of single live wire power getting switch |
| CN109769331A (en) * | 2019-03-20 | 2019-05-17 | 深圳市宝泰光电科技有限公司 | A kind of three line compatible circuit of two line |
| CN110337162A (en) * | 2019-04-28 | 2019-10-15 | 天彩电子（深圳）有限公司 | Single live wire power getting system and method based on intelligent switch |
| CN111293783A (en) * | 2018-12-10 | 2020-06-16 | 杭州萤石软件有限公司 | Intelligent switch and control method |
| CN111538268A (en) * | 2020-04-27 | 2020-08-14 | 罗洁洁 | Single-live-wire electricity-taking intelligent switch, wireless control device and power supply control system |
| CN111629494A (en) * | 2020-04-29 | 2020-09-04 | 杭州涂鸦信息技术有限公司 | Intelligent switch and double-control switch |
| CN112770461A (en) * | 2020-12-25 | 2021-05-07 | 漳州立达信光电子科技有限公司 | Dimming circuit and dimming equipment |
| CN113991657A (en) * | 2021-11-02 | 2022-01-28 | 珠海格力电器股份有限公司 | Electric appliance, electric appliance power taking device and power taking control method |
| CN114423131A (en) * | 2022-01-28 | 2022-04-29 | 广东浩博特科技有限公司 | Electronic switch without fire-fighting live wire and with fire-fighting centralized control function and system |
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| CN108377597A (en) * | 2018-04-08 | 2018-08-07 | 深圳绿米联创科技有限公司 | Current regulating circuit, method and the intelligent domestic system of single firewire switch |
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| CN109769331A (en) * | 2019-03-20 | 2019-05-17 | 深圳市宝泰光电科技有限公司 | A kind of three line compatible circuit of two line |
| CN110337162B (en) * | 2019-04-28 | 2021-09-21 | 天彩电子（深圳）有限公司 | Single-live-wire power taking system and method based on intelligent switch |
| CN110337162A (en) * | 2019-04-28 | 2019-10-15 | 天彩电子（深圳）有限公司 | Single live wire power getting system and method based on intelligent switch |
| CN111538268A (en) * | 2020-04-27 | 2020-08-14 | 罗洁洁 | Single-live-wire electricity-taking intelligent switch, wireless control device and power supply control system |
| CN111629494A (en) * | 2020-04-29 | 2020-09-04 | 杭州涂鸦信息技术有限公司 | Intelligent switch and double-control switch |
| CN112770461A (en) * | 2020-12-25 | 2021-05-07 | 漳州立达信光电子科技有限公司 | Dimming circuit and dimming equipment |
| CN113991657A (en) * | 2021-11-02 | 2022-01-28 | 珠海格力电器股份有限公司 | Electric appliance, electric appliance power taking device and power taking control method |
| CN113991657B (en) * | 2021-11-02 | 2024-02-13 | 珠海格力电器股份有限公司 | Electrical appliance, electricity taking device of electrical appliance and electricity taking control method |
| CN114423131A (en) * | 2022-01-28 | 2022-04-29 | 广东浩博特科技有限公司 | Electronic switch without fire-fighting live wire and with fire-fighting centralized control function and system |
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