CN110336550A - A kind of intelligent switch dual control circuit - Google Patents
A kind of intelligent switch dual control circuit Download PDFInfo
- Publication number
- CN110336550A CN110336550A CN201910731344.2A CN201910731344A CN110336550A CN 110336550 A CN110336550 A CN 110336550A CN 201910731344 A CN201910731344 A CN 201910731344A CN 110336550 A CN110336550 A CN 110336550A
- Authority
- CN
- China
- Prior art keywords
- switch
- triode
- resistance
- power
- circuit
- 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
Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000005669 field effect Effects 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
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
- H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
-
- 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
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/02—Switching on, e.g. with predetermined rate of increase of lighting current
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The present invention relates to a kind of intelligent switch dual control circuits, including power switch circuit, second resistance, first diode, second diode, the DC power anode end and DC power supply enable end of intelligent switch are connected to power switch circuit, the output end of power switch circuit and one end of second resistance connect, the connection of the anode of the other end of second resistance and the anode of first diode and the second diode, the cathode of first diode and the dual control terminal of intelligent switch connect, the cathode of second diode is connect with double control switch state-detection end, realize a kind of intelligent switch dual control circuit.The occasion of a lamp load is controlled together in two tradition machinery double control switches, will wherein any one tradition machinery double control switch upgrading be intelligent switch after, another tradition machinery double control switch still can continue normal use and without increasing any part, without additionally increasing any wiring between intelligent switch and tradition machinery double control switch, transformation difficulty and cost are reduced, the promotion and popularization of intelligent switch are conducive to.
Description
Technical field
The present invention relates to electronic switching circuit more particularly to a kind of intelligent switch dual control circuits, belong to smart home field.
Background technique
Currently, the occasion of a lamp load is controlled together in two tradition machinery double control switches, by one of traditional machine
Tool double control switch is changed to after intelligent switch, another tradition machinery double control switch will be available, and is no longer had double
Function is controlled, needing to buy wireless switching (such as wall patch switch) again, to replace another tradition machinery double control switch double to realize
Function is controlled, the cost of home intelligence transformation is increased, is unfavorable for the promotion and popularization of intelligent switch.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, it is double to provide a kind of intelligent switch
Control circuit.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of intelligent switch dual control circuit, mainly
It include: power switch circuit, second resistance, first diode, the second diode, connection relationship is: the direct current of intelligent switch
Power positive end and DC power supply enable end are connected to power switch circuit, the output end of power switch circuit and second resistance
The anode of one end connection, the other end of second resistance and the anode of first diode and the second diode connects, first diode
Cathode and the dual control terminal of intelligent switch connect, the cathode of the second diode connect with double control switch state-detection end.
Compared with prior art, the beneficial effects of the present invention are:
A kind of intelligent switch dual control circuit is provided, which solves the problems, such as the dual control of intelligent switch:
Two tradition machinery double control switches control the occasion of a lamp load together, will wherein any one tradition machinery double control switch liter
Grade is changed to after intelligent switch, another tradition machinery double control switch still can continue normal use, and traditional machine
Tool double control switch end is without increasing any part, especially without in addition increasing a wireless switching (such as wall patch switch), new clothes intelligence
Between switch and another tradition machinery double control switch without any wiring is increased, transformation difficulty and cost can be reduced,
Be conducive to the promotion and popularization of intelligent switch.
Detailed description of the invention
Attached drawing 1 is a kind of functional block diagram of intelligent switch dual control circuit of the invention.
Attached drawing 2 is a kind of 1 schematic diagram of output circuit embodiment of intelligent switch dual control circuit of the invention.
Attached drawing 3 is a kind of 2 schematic diagram of output circuit embodiment of intelligent switch dual control circuit of the invention.
Attached drawing 4 is a kind of 1 schematic diagram of power switch circuit embodiment of intelligent switch dual control circuit of the invention.
Attached drawing 5 is a kind of 2 schematic diagram of power switch circuit embodiment of intelligent switch dual control circuit of the invention.
Attached drawing 6 is a kind of 3 schematic diagram of power switch circuit embodiment of intelligent switch dual control circuit of the invention.
Specific embodiment
For the ease of the understanding of those skilled in the art, below with reference to attached drawing is implemented, the present invention is further illustrated,
The content that embodiment refers to not is limitation of the invention.
As shown in Figure 1, the present invention is by power switch circuit 3, second resistance R2, first diode D1, the second diode D2
Composition, basic scheme is:
The DC power anode end VDD and DC power supply enable end EN of the intelligent switch 1 are connected to power switch circuit 3, electricity
The output end PWR of source switching circuit 3 is connect with one end of second resistance R2, the other end and first diode D1 of second resistance R2
Anode and the second diode D2 anode connection, the cathode of first diode D1 connect with the dual control terminal SC of intelligent switch 1,
The cathode of second diode D2 is connect with double control switch state-detection end AC_CHK；
AC alternating current inputs first terminal AC1 and connect with the firewire of intelligent switch 1 access terminal LINE, and the load of intelligent switch 1 connects
Line terminals LOAD is connect with the public input terminal L of tradition machinery double control switch, and the public input terminal L of tradition machinery double control switch connects simultaneously
It is connected to one end of lamp load LAMP, the other end of lamp load LAMP connect with AC alternating current input Second terminal AC2, intelligently opens
The dual control terminal SC of pass 1 is connect with tradition machinery double control switch second output terminal L2.
Power switch circuit 3:
The power switch circuit 3 is the controlled direct current source switching circuit formed using switch element, is made by DC power supply
Can end EN control switch element conducting and cut-off realize the controlled on-off of DC power supply, the switch element includes but unlimited
In: triode, field-effect tube, silicon-controlled etc.；
Specific embodiment has:
3 embodiment 1 of power switch circuit:
Shown in attached drawing 4, the power switch circuit 3 includes: the first triode Q1, third diode D3, the 4th resistance R4, first
Resistance R1, the first triode Q1 are PNP triode, the emitter E of the first triode Q1, the one end first resistor R1 with
The DC power anode end VDD connection of intelligent switch 1, the base stage B and the three or two of the first resistor R1 other end, the first triode Q1
The connection of pole pipe D3 anode, DC power supply enable end EN are connect by the 4th resistance R4 with third diode D3 cathode, the one or three pole
The collector C of pipe Q1 is connected to the output end PWR of power switch circuit 3.
3 embodiment 2 of power switch circuit:
Shown in attached drawing 5, the power switch circuit 3 includes: the first triode Q1, third transistor Q3, the 4th resistance R4, first
Resistance R1,3rd resistor R3, the first triode Q1 are PNP triode, and the third transistor Q3 is NPN triode, institute
State the emitter E of the first triode Q1, the one end first resistor R1 is connect with the DC power anode end VDD of intelligent switch 1, first
The resistance R1 other end, the first triode Q1 the collector C of base stage B and third transistor Q3 connect, DC power supply enable end EN
Connect by the 4th resistance R4 with the base stage B of third transistor Q3, the emitter E of third transistor Q3 by 3rd resistor R3 with
The collector C of DC power supply publicly GND connection, the first triode Q1 is connected to the output end PWR of power switch circuit 3.
3 embodiment 3 of power switch circuit:
Shown in attached drawing 6, the power switch circuit 3 includes: the first triode Q1, the 4th resistance R4, first resistor R1, and described
One triode Q1 is PNP triode, and the emitter E of the first triode Q1, the one end first resistor R1 are straight with intelligent switch 1
Power positive end VDD connection is flowed, DC power supply enable end EN is by the 4th resistance R4 and the first resistor R1 other end, the one or three pole
The base stage B connection of pipe Q1, the collector C of the first triode Q1 are connected to the output end PWR of power switch circuit 3.
Further, can also be accessed between the cathode and double control switch state-detection end AC_CHK of the second diode D2 defeated
Circuit 4 out,
Specific embodiment has:
4 embodiment 1 of output circuit:
Shown in attached drawing 2, the output circuit 4 is made of the 5th resistance R5, the 6th resistance R6, the second triode Q2, and the described 5th
The one end resistance R5 is connect by exporting network-side OUT with the cathode of two diode D2, while the base stage B also with the second triode Q2
Connection, the 5th resistance R5 other end, the second triode Q2 emitter E publicly GND is connect with DC power supply, the two or three
The pole electrode C of pole pipe Q2, the 6th one end resistance R6 are connect with double control switch state-detection end AC_CHK, the 6th resistance R6 other end
It is connect with DC power anode end VDD.
4 embodiment 2 of output circuit:
Shown in attached drawing 3, the output circuit 4 is made of the 5th resistance R5, and described 5th one end resistance R5 passes through output network-side
OUT is connect with the cathode of two diode D2, and publicly GND is connect the 5th resistance R5 other end with DC power supply, the 5th electricity
Resistance one end R5 is connect with double control switch state-detection end AC_CHK simultaneously.
The control method of intelligent switch dual control circuit:
Double control switch state-detection and lamp load switching flow comprise the following steps that
(1) control DC power supply enable end EN connects the DC power anode end VDD and power switch circuit 3 of intelligent switch 1
Output end PWR；
(2) double control switch state-detection end AC_CHK signal level state is checked；
(3) judge whether double control switch state-detection end AC_CHK signal level state changes, continue if having not been changed；
Switch switch lamp load (turn to close by opening, or turned on by pass) if having changed；
(4) control DC power supply enable end EN cuts off the DC power anode end VDD and power switch circuit 3 of disconnected intelligent switch 1
Output end PWR.
The above is only preferable specific embodiment of the invention, is not intended to limit the present invention in any form,
Although the present invention has been disclosed as a preferred embodiment, however, it is not intended to limit the invention, any technology for being familiar with this profession
Personnel, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or repair
Decorations are the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, technology according to the present invention are real
Matter (technical solution and its inventive concept) any simple modification, equivalent change and modification to the above embodiments, still belong to
In the range of technical solution of the present invention.
Claims (7)
1. a kind of intelligent switch dual control circuit, it is characterised in that: including power switch circuit (3), second resistance (R2), the one or two
Pole pipe (D1), the second diode (D2)；The DC power anode end (VDD) of intelligent switch (1) and DC power supply enable end (EN)
It being connected to power switch circuit (3), the output end (PWR) of power switch circuit (3) is connect with one end of second resistance (R2), the
The other end of two resistance (R2) is connect with the anode of the anode of first diode (D1) and the second diode (D2), first diode
(D1) cathode is connect with the dual control terminal (SC) of intelligent switch (1), the cathode and double control switch state of the second diode (D2)
Test side (AC_CHK) connection；
The power switch circuit (3) is the controlled direct current source switching circuit formed using switch element, passes through DC power supply
The controlled on-off of DC power supply is realized in the conducting of enable end (EN) control switch element with cut-off, and the switch element includes three poles
Manage perhaps field-effect tube or silicon-controlled.
2. a kind of intelligent switch dual control circuit according to claim 1, it is characterised in that: the power switch circuit (3)
It include: the first triode (Q1), third diode (D3), the 4th resistance (R4), first resistor (R1), first triode
It (Q1) is PNP triode, the emitter (E) of first triode (Q1), first resistor one end (R1) and intelligent switch (1)
DC power anode end (VDD) connection, first resistor (R1) other end, the base stage (B) of the first triode (Q1) and the three or two pole
The connection of (D3) anode is managed, DC power supply enable end (EN) is connect by the 4th resistance (R4) with third diode (D3) cathode, the
The collector (C) of one triode (Q1) is connected to the output end (PWR) of power switch circuit (3).
3. a kind of intelligent switch dual control circuit according to claim 1, it is characterised in that: the power switch circuit (3)
It include: the first triode (Q1), third transistor (Q3), the 4th resistance (R4), first resistor (R1), 3rd resistor (R3), institute
Stating the first triode (Q1) is PNP triode, and the third transistor (Q3) is NPN triode, first triode (Q1)
Emitter (E), first resistor one end (R1) connect with the DC power anode end (VDD) of intelligent switch (1), first resistor
(R1) other end, the base stage (B) of the first triode (Q1) are connect with the collector (C) of third transistor (Q3), and DC power supply makes
Energy end (EN) is connect by the 4th resistance (R4) with the base stage (B) of third transistor (Q3), the emitter of third transistor (Q3)
(E) it publicly (GND) is connect by 3rd resistor (R3) with DC power supply, the collector (C) of the first triode (Q1) is connected to
The output end (PWR) of power switch circuit (3).
4. a kind of intelligent switch dual control circuit according to claim 1, it is characterised in that: the power switch circuit (3)
It include: the first triode (Q1), the 4th resistance (R4), first resistor (R1), first triode (Q1) is PNP triode,
The emitter (E) of first triode (Q1), first resistor one end (R1) and intelligent switch (1) DC power anode end
(VDD) it connects, DC power supply enable end (EN) is by the 4th resistance (R4) and first resistor (R1) other end, the first triode
(Q1) base stage (B) connection, the collector (C) of the first triode (Q1) are connected to the output end of power switch circuit (3)
(PWR).
5. a kind of intelligent switch dual control circuit according to claim 1, it is characterised in that: further, in the second diode
(D2) output circuit (4), the output circuit can also be accessed between cathode and double control switch state-detection end (AC_CHK)
(4) it is made of the 5th resistance (R5), the 6th resistance (R6), the second triode (Q2), the 5th resistance one end (R5) passes through defeated
Network (OUT) is connect with the cathode of two diodes (D2) out, while also being connect with the base stage (B) of the second triode (Q2), described
5th resistance (R5) other end, the second triode (Q2) emitter (E) publicly (GND) connect with DC power supply, the two or three
The pole electrode (C) of pole pipe (Q2), the 6th resistance one end (R6) are connect with double control switch state-detection end (AC_CHK), the 6th resistance
(R6) other end is connect with DC power anode end (VDD).
6. a kind of intelligent switch dual control circuit according to claim 1, it is characterised in that: further, in the second diode
(D2) output circuit (4), the output circuit can also be accessed between cathode and double control switch state-detection end (AC_CHK)
(4) it is made of the 5th resistance (R5), the yin that the 5th resistance one end (R5) passes through output network (OUT) and two diodes (D2)
Pole connection, the 5th resistance (R5) other end publicly (GND) connect with DC power supply, the 5th resistance one end (R5) and meanwhile with
Double control switch state-detection end (AC_CHK) connection.
7. according to claim 1 in -6 intelligent switch dual control circuit described in any claim control method, feature exists
In double control switch state-detection and lamp load switching flow comprise the following steps that
(1) DC power anode end (VDD) and the power switch of intelligent switch (1) are connected in control DC power supply enable end (EN)
The output end (PWR) of circuit (3)；
(2) double control switch state-detection end (AC_CHK) signal level state is checked；
(3) judge whether double control switch state-detection end (AC_CHK) signal level state changes, if having not been changed after
It is continuous；Switch switch lamp load if having changed；
(4) the DC power anode end (VDD) of control DC power supply enable end (EN) cutting intelligent switch (1) and power switch
The output end (PWR) of circuit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731344.2A CN110336550A (en) | 2019-08-08 | 2019-08-08 | A kind of intelligent switch dual control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731344.2A CN110336550A (en) | 2019-08-08 | 2019-08-08 | A kind of intelligent switch dual control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110336550A true CN110336550A (en) | 2019-10-15 |
Family
ID=68148932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910731344.2A Pending CN110336550A (en) | 2019-08-08 | 2019-08-08 | A kind of intelligent switch dual control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110336550A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114340091A (en) * | 2021-12-28 | 2022-04-12 | 广州易而达科技股份有限公司 | Lighting double-control circuit and lighting control method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202261205U (en) * | 2011-09-22 | 2012-05-30 | 杭州坤森科技有限公司 | Single-live-wire double-control switch |
| CN205596005U (en) * | 2016-04-08 | 2016-09-21 | 宁波公牛电器有限公司 | Intelligent control multigang switch and power supply system |
| CN106027020A (en) * | 2016-05-20 | 2016-10-12 | 上海小为科技股份有限公司 | Smart double-control wall switch |
| CN106982503A (en) * | 2017-05-11 | 2017-07-25 | 麦康世 | Single fiery dual control intelligent switch of compatible mechanical switch wiring |
| CN107018610A (en) * | 2017-04-11 | 2017-08-04 | 卓祥明 | Single live wire intelligent switch |
| CN107528574A (en) * | 2017-08-14 | 2017-12-29 | 南京荟学智能科技有限公司 | A kind of wireless intelligent device based on conventional mechanical switch |
| CN207020501U (en) * | 2017-07-06 | 2018-02-16 | 深圳拓邦股份有限公司 | A kind of single live wire switch and double control switch circuit |
| US20180352618A1 (en) * | 2016-03-18 | 2018-12-06 | Shenzhen Power2Control Smart Tech Co., Ltd | Led lamp single live wire intelligent control apparatus |
| CN208754259U (en) * | 2018-09-20 | 2019-04-16 | 东莞市迅迪电子有限公司 | A kind of list firewire Intelligent switching circuit |
| CN210129849U (en) * | 2019-08-08 | 2020-03-06 | 东莞市迅迪电子有限公司 | Intelligent switch double-control circuit |
-
2019
- 2019-08-08 CN CN201910731344.2A patent/CN110336550A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202261205U (en) * | 2011-09-22 | 2012-05-30 | 杭州坤森科技有限公司 | Single-live-wire double-control switch |
| US20180352618A1 (en) * | 2016-03-18 | 2018-12-06 | Shenzhen Power2Control Smart Tech Co., Ltd | Led lamp single live wire intelligent control apparatus |
| CN205596005U (en) * | 2016-04-08 | 2016-09-21 | 宁波公牛电器有限公司 | Intelligent control multigang switch and power supply system |
| CN106027020A (en) * | 2016-05-20 | 2016-10-12 | 上海小为科技股份有限公司 | Smart double-control wall switch |
| CN107018610A (en) * | 2017-04-11 | 2017-08-04 | 卓祥明 | Single live wire intelligent switch |
| CN106982503A (en) * | 2017-05-11 | 2017-07-25 | 麦康世 | Single fiery dual control intelligent switch of compatible mechanical switch wiring |
| CN207020501U (en) * | 2017-07-06 | 2018-02-16 | 深圳拓邦股份有限公司 | A kind of single live wire switch and double control switch circuit |
| CN107528574A (en) * | 2017-08-14 | 2017-12-29 | 南京荟学智能科技有限公司 | A kind of wireless intelligent device based on conventional mechanical switch |
| CN208754259U (en) * | 2018-09-20 | 2019-04-16 | 东莞市迅迪电子有限公司 | A kind of list firewire Intelligent switching circuit |
| CN210129849U (en) * | 2019-08-08 | 2020-03-06 | 东莞市迅迪电子有限公司 | Intelligent switch double-control circuit |
Non-Patent Citations (1)
| Title |
|---|
| 杨德石: "基于ZigBee的单火线智能开关的设计与实现", 《工业控制计算机》, pages 252 - 256 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114340091A (en) * | 2021-12-28 | 2022-04-12 | 广州易而达科技股份有限公司 | Lighting double-control circuit and lighting control method |
| CN114340091B (en) * | 2021-12-28 | 2023-09-08 | 广州易而达科技股份有限公司 | Lighting double-control circuit and lighting control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108601158A (en) | A kind of linear constant current LED lamp circuit | |
| CN204697345U (en) | A kind of centralized control electronic switching circuit | |
| CN110336550A (en) | A kind of intelligent switch dual control circuit | |
| CN206804838U (en) | Wireless battery logging | |
| CN107196633A (en) | Switch controlling device, ac control system and the refrigeration plant of AC load | |
| CN208849457U (en) | Power supply switch circuit and multiple-way feed system | |
| CN208285214U (en) | A kind of stagnant ring driving device of low-power consumption | |
| CN201860094U (en) | Short circuit protection circuit for switch power | |
| CN106027020B (en) | A kind of intelligent double-control switch on wall | |
| CN210129849U (en) | Intelligent switch double-control circuit | |
| CN105356871B (en) | Zero-power-consumption standby touches power down switch | |
| CN210807213U (en) | Magnetic latching relay single live wire switch universal circuit and intelligent voice switch power-taking control circuit using same | |
| CN103633976A (en) | Single-key button multi-point group-control device | |
| CN207266350U (en) | LED dimming driving circuits and LED drive device | |
| CN201829752U (en) | Controllable patch board | |
| CN207947926U (en) | A kind of light adjusting circuit and its light-emitting device | |
| CN205622225U (en) | LED lamp strip short -circuit protection circuit based on boost circuit | |
| CN205160495U (en) | Zero power consumption standby touches power down switch | |
| CN213746639U (en) | LED lamp junction box and LED lamp set | |
| CN209318956U (en) | A kind of low frequency safe voltage electric iron heating control circuit | |
| CN213755032U (en) | Far and near light electrodeless switching control system | |
| CN208724239U (en) | LED drive power control circuit | |
| CN207380890U (en) | A kind of Intelligent remote control switch | |
| CN209134381U (en) | A kind of four road remote control switching circuits | |
| CN207303547U (en) | Intelligent socket |
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 |