CN104113952A - Switching circuit and lamp containing same - Google Patents
Switching circuit and lamp containing same Download PDFInfo
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- CN104113952A CN104113952A CN201310133835.XA CN201310133835A CN104113952A CN 104113952 A CN104113952 A CN 104113952A CN 201310133835 A CN201310133835 A CN 201310133835A CN 104113952 A CN104113952 A CN 104113952A
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- 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
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Abstract
The embodiment of the invention discloses a switching circuit and a lamp containing same. The switching circuit comprises a rectification circuit, a loop control circuit, a signal control circuit, and a turn-off time-delay circuit. The first AC input end of the rectification circuit is used for being connected with a load. The first DC output end of the rectification circuit is used for being connected with the loop control circuit. The signal control circuit receives a user operation signal. If the loop control circuit is in an off state, the signal control circuit outputs a turn-on driving signal as receiving the user operation signal. If the loop control circuit is in an on state, the signal control circuit outputs a turn-off driving signal as receiving the user operation signal. After the loop control circuit is in an on state, the turn-off time-delay circuit outputs a turn-off driving signal after a delayed time. According to the switching circuit, a loop can be cut off automatically or manually by a user after a delayed time and the loop is turned on. The switching circuit has a simple control mode.
Description
Technical field
The present invention relates to electronic circuit field, be specifically related to a kind of switching circuit and there is the light fixture of switching circuit.
Background technology
In a lot of application scenarios, as patrolling and examining of building site, factory building etc., people only need the short time illumination of light fixture, existing technology normally adopts single-pole single-throw switch (SPST) to control the switch of light fixture, thereby need patrol officer's manual closing and disconnect single-pole single-throw switch (SPST) to control lighting and extinguishing of light fixture, control mode is loaded down with trivial details.
Summary of the invention
The embodiment of the present invention provides a kind of switching circuit and has had the light fixture of switching circuit, can be after open in loop through the automatic cutoff circuit of delay time or by the manual cutoff circuit of user, control mode is simple.
The application's first aspect provides a kind of switching circuit, comprising: rectification circuit, loop control circuit, signal control circuit and turn off delay time circuit, wherein,
The first ac input end of described rectification circuit is for being connected to the first end of load, the second end of described load is connected to AC power live wire, the second ac input end of described rectification circuit is used for being connected to AC power zero line, the first DC output end of described rectification circuit is connected to the positive pole of described loop control circuit, the second DC output end of described rectification circuit, for being connected to earth point;
The negative pole of described loop control circuit is used for being connected to earth point, described loop control circuit comprises a drive end, when described drive end be applied in one open while driving signal described in conducting between the positive pole of loop control circuit and negative pole, disconnect between the positive pole of loop control circuit and negative pole described in when described drive end is applied in a shutoff and drives signal;
Described signal control circuit comprises an input, one opens driving signal output part and a cut-off signals output, described opening drives signal output part and described shutoff to drive signal output part to be connected to the drive end of described loop control circuit, described input is for receiving user's operation signal, described signal control circuit for exporting the described driving signal of opening when off state and described input receive user's operation signal at described loop control circuit, and, at described loop control circuit, when opening state and described input receive user's operation signal, export described shutoff and drive signal,
The output of described turn off delay time circuit is connected to the drive end of described loop control circuit, the earth terminal of described turn off delay time circuit is used for being connected to earth point, and described turn off delay time circuit for driving signal through delay time output shutoff after described loop control circuit conducting.
In the possible implementation of the first of the application's first aspect, described circuit also comprises indicator light circuit, and the positive pole of described indicator light circuit is connected to the first DC output end of described rectification circuit, and the negative pole of described indicator light circuit is used for being connected to earth point.
In conjunction with the possible implementation of the first of the application's first aspect or first aspect, in the possible implementation of the second, described rectification circuit is full bridge rectifier.
In conjunction with the possible implementation of the second of the application's first aspect, in the third possible implementation, described loop control circuit comprises the first resistance, the first triode and gated thyristor, wherein,
The first end of described the first resistance is connected to the anode of described gated thyristor, the anode of described gated thyristor is the positive pole of described loop control circuit, the second end of described the first resistance is connected to the gate pole of described gated thyristor, the collector electrode of described the first triode is connected to the second end of described the first resistance, the base stage of described the first triode is the drive end of described loop control circuit, the emitter of described the first triode is connected to the negative electrode of described gated thyristor, the negative pole that the negative electrode of described gated thyristor is described loop control circuit.
In conjunction with the third possible implementation of the application's first aspect, in the 4th kind of possible implementation, described signal control circuit comprises the second resistance, the second triode, metal touch sheet, the 3rd resistance, the 4th resistance and the first diode, wherein,
The first end of described the second resistance is connected to the first DC output end of described rectification circuit, the second end of described the second resistance is connected to the collector electrode of described the second triode, the collector electrode of described the second triode is connected to the drive end of described loop control circuit, the very described signal control circuit of the current collection of described the second triode open driving signal output part, the emitter of described the second triode is used for being connected to earth point;
Described metal touch sheet is connected to the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected to the anode of the first end of described the 4th resistance, the base stage of described the second triode and described the first diode, the second end of described the 4th resistance is used for being connected to earth point, the negative electrode of described the first diode is connected to the collector electrode of described the second triode, the negative electrode of described the first diode is that the shutoff of described signal control circuit drives signal output part, and described metal touch sheet is for receiving user's operation signal.
In conjunction with the 4th kind of possible implementation of the application's first aspect, in the 5th kind of possible implementation, described turn off delay time circuit comprises the first electric capacity, wherein,
The positive pole of described the first electric capacity is connected to the drive end of described loop control circuit, and the negative pole of described the first electric capacity is used for being connected to earth point.
In conjunction with the possible implementation of the first of the application's first aspect, in the 6th kind of possible implementation, described indicator light circuit comprises the 5th resistance and the first light-emitting diode, wherein,
The first end of described the 5th resistance is connected to the first DC output end of described rectification circuit, and the second end of described the 5th resistance is connected to the anode of described the first light-emitting diode, and the negative electrode of described the first light-emitting diode is used for being connected to earth point.
The application's second aspect provides a kind of light fixture with switching circuit, comprise light source and the switching circuit as described in any possible implementation of the application's first aspect or first aspect, wherein, the first end of described light source is connected to the first ac input end of the described rectification circuit of described switching circuit, and the second end of described light source is used for being connected to AC power live wire.
In the present invention, the input of signal control circuit receives after user's operation signal output and opens and drive signal to the drive end of loop control circuit, drive loop control circuit conducting, thereby make the major loop conducting being formed by load, rectifier bridge and loop control circuit, after major loop conducting, through the output output of delay time turn off delay time circuit, turn-off and drive signal to the drive end of loop control circuit, drive loop control circuit to turn-off.When the input at loop control circuit in opening state and signal control circuit receives user's operation signal, output is turn-offed and is driven signal, drives loop control circuit to turn-off.The present invention can be after open in loop through the automatic cutoff circuit of delay time or by the manual cutoff circuit of user, control mode is simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit diagram of a kind of switching circuit of providing of the embodiment of the present invention;
Fig. 2 is the circuit diagram of the another kind of switching circuit that provides of the embodiment of the present invention;
Fig. 3 is a kind of circuit diagram with the light fixture of switching circuit that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, Fig. 1 is the circuit diagram of a kind of switching circuit of providing of the embodiment of the present invention, and wherein, in Fig. 1,105 is load, and this switching circuit comprises as shown in Figure 1:
Rectification circuit 101, loop control circuit 102, signal control circuit 103 and turn off delay time circuit 104, wherein,
The first ac input end of rectification circuit 101 is for being connected to the first end of load 105, the second end of load 105 is connected to AC power live wire L, the second ac input end of rectification circuit 101 is used for being connected to AC power zero line N, the first DC output end of rectification circuit 101 is connected to the positive pole of loop control circuit 102, the second DC output end of rectification circuit 101, for being connected to earth point GND.
The negative pole of loop control circuit 102 is used for being connected to earth point GND, loop control circuit 102 comprises a drive end, when drive end is applied in one, open conducting between the positive pole of loop control circuit 102 while driving signal and negative pole, when drive end is applied in a shutoff and drives signal, between the positive pole of loop control circuit 102 and negative pole, disconnect.
Signal control circuit 103 comprises that an input, is opened and drives signal output part and a cut-off signals output, open and drive signal output part and turn-off the drive end that drives signal output part to be connected to loop control circuit, input is for receiving user's operation signal, signal control circuit 103 is for opening driving signal in loop control circuit 102 output when off state and input receive user's operation signal, and, in loop control circuit 102 output when opening state and input receive user's operation signal, turn-off and drive signal.
The output of turn off delay time circuit 104 is connected to the drive end of loop control circuit 102, the earth terminal of turn off delay time circuit 104 is used for being connected to earth point GND, and turn off delay time circuit 104 for driving signal through delay time output shutoff after loop control circuit 102 conductings.
Alternatively, rectification circuit 101 can be full bridge rectifier.
Alternatively, loop control circuit 102 comprises the first resistance R 1, the first triode Q1 and gated thyristor D1, wherein,
The first end of R1 is connected to the anode of D1, the anode of D1 is the positive pole of loop control circuit 102, the second end of R1 is connected to the gate pole of D1, the collector electrode of Q1 is connected to the second end of R1, the base stage of Q1 is the drive end of loop control circuit 102, the emitter of Q1 is connected to the negative electrode of D1, and the negative electrode of D1 is the negative pole of loop control circuit 102.
Alternatively, signal control circuit 103 comprises the second resistance R 2, the second triode Q2, metal touch sheet M, the 3rd resistance R 3, the 4th resistance R 4 and the first diode D2, wherein,
The first end of R2 is connected to the first DC output end of rectification circuit 101, the second end of R2 is connected to the collector electrode of Q2, the collector electrode of Q2 is connected to the drive end of loop control circuit 102, the current collection of Q2 very signal control circuit 103 open driving signal output part, the emitter of Q2 is used for being connected to earth point;
Metal touch sheet M is connected to the first end of R3, the second end of R3 is connected to the anode of the first end of R4, the base stage of Q2 and D2, the second end of R4 is used for being connected to earth point, the negative electrode of D2 is connected to the collector electrode of Q2, the negative electrode of D2 is that the shutoff of signal control circuit 103 drives signal output part, and metal touch sheet M is for receiving user's operation signal.
Alternatively, turn off delay time circuit 104 comprises the first capacitor C 1, and the positive pole of C1 is connected to the drive end of loop control circuit 102, and the negative pole of C1 is used for being connected to earth point.C1 can be electrochemical capacitor.
In the present embodiment, when user does not touch metal touch sheet M, the base stage of Q2 (being the input of signal control circuit 103) without input signal in cut-off state, its collector electrode output high level, Q1 conducting, the current collection of Q1 is low level very, gate pole controlled thyristor D1 Triggerless is in cut-off state, resistance R 1 can be selected the powerful resistance of large resistance, the loop current that R1, Q1 are formed is very little, be equivalent to disconnect, and because gate pole controlled thyristor D1 is in cut-off state, so loop control circuit is equivalent to disconnect.The first DC output end of rectification circuit charges to C1 by R2, and because Q1 is in conducting state, so the voltage on C1 is clamped at 0.7V left and right.When user touches sheet metal M, human body sensing voltage makes Q2 open-minded through R3, R4 dividing potential drop, after Q2 conducting, Q1 collector electrode is low level by high level saltus step, capacitor C 1 is discharged rapidly by Q2, when the lower voltage in capacitor C 1 is following to 0.7V, Q1 transfers cut-off to by conducting, and its collector electrode is high level by low transition, trigger gate pole controlled thyristor D1 conducting, loop control circuit conducting.After loop control circuit conducting, power supply charges to C1 through R2, and the voltage on C1 rises to 0.7V when above, and Q1 is conducting again, and its collector electrode recovers low level state, and gate pole controlled thyristor D1 loses trigger voltage, and loop control circuit turn-offs.
When loop control circuit is during in conducting state, if user touches Metal Contact sheet again, human body sensing voltage is loaded into the first triode Q1 through the dividing potential drop of R3, R4 by the first diode D2 and makes Q1 conducting, and loop control circuit disconnects.
Alternatively, as shown in Figure 2, the switching circuit that the present embodiment provides can also comprise indicator light circuit 106, and the positive pole of indicator light circuit 106 is connected to the positive pole of loop control circuit 102, and the negative pole of indicator light circuit 106 is used for being connected to earth point GND.
Wherein, indicator light circuit 106 comprises the 5th resistance R 5 and the first light-emitting diode D3, and the first end of R5 is connected to the first DC output end of rectification circuit 101, and the second end of R5 is connected to the anode of D3, and the negative electrode of D3 is used for being connected to earth point.
When loop control circuit disconnects, the direct voltage of rectification circuit 101 first DC output end outputs is carried on R5, D3 lights, after loop control circuit conducting, the voltage drop of R5 first end is to 1V left and right, light-emitting diode D3 extinguishes, D3 can be arranged on below metal touch sheet or near, be used to indicate the position of metal touch sheet.
In the present embodiment, the input of signal control circuit receives after user's operation signal output and opens and drive signal to the drive end of loop control circuit, drive loop control circuit conducting, thereby make the major loop conducting being formed by load, rectifier bridge and loop control circuit, after major loop conducting, through the output output of delay time turn off delay time circuit, turn-off and drive signal to the drive end of loop control circuit, drive loop control circuit to turn-off.When the input at loop control circuit in opening state and signal control circuit receives user's operation signal, output is turn-offed and is driven signal, drives loop control circuit to turn-off.The present embodiment can be after open in loop through the automatic cutoff circuit of delay time or by the manual cutoff circuit of user, control mode is simple.
Please refer to Fig. 3, a kind of light fixture with switching circuit that Fig. 3 provides for the embodiment of the present invention, comprise switching circuit 201 and light source 202, wherein, switching circuit 201 is with reference to above-mentioned Fig. 1, Fig. 2 embodiment, here repeat no more, the first end of light source 202 is connected to the first ac input end of the rectification circuit of switching circuit, and the second end of light source is used for being connected to AC power live wire.
In the present embodiment, when user does not touch metal touch sheet M, the base stage of Q2 (being the input of signal control circuit 103) without input signal in cut-off state, its collector electrode output high level, Q1 conducting, the current collection of Q1 is low level very, gate pole controlled thyristor D1 Triggerless is in cut-off state, resistance R 1 can be selected the powerful resistance of large resistance, make R1, the loop current that Q1 forms is very little, be equivalent to disconnect, and because gate pole controlled thyristor D1 is in cut-off state, therefore loop control circuit is equivalent to disconnect, light source is in extinguishing state.The first DC output end of rectification circuit charges to C1 by R2, and because Q1 is in conducting state, so the voltage on C1 is clamped at 0.7V left and right.When user touches sheet metal M, human body sensing voltage makes Q2 open-minded through R3, R4 dividing potential drop, after Q2 conducting, Q1 collector electrode is low level by high level saltus step, capacitor C 1 is discharged rapidly by Q2, and when the lower voltage in capacitor C 1 is following to 0.7V, Q1 transfers cut-off to by conducting, its collector electrode is high level by low transition, trigger gate pole controlled thyristor D1 conducting, loop control circuit conducting, light source igniting.After light source igniting, power supply charges to C1 through R2, and the voltage on C1 rises to 0.7V when above, and Q1 is conducting again, and its collector electrode recovers low level state, and gate pole controlled thyristor D1 loses trigger voltage, light source automatic distinguishing.
When loop control circuit is during in conducting state, if user touches Metal Contact sheet again, human body sensing voltage is loaded into the first triode Q1 through the dividing potential drop of R3, R4 by the first diode D2 and makes Q1 conducting, and loop control circuit disconnects, and light source extinguishes.
In the present embodiment, the input of signal control circuit receives after user's operation signal output and opens and drive signal to the drive end of loop control circuit, drive loop control circuit conducting, thereby make the major loop conducting being formed by light source, rectifier bridge and loop control circuit, after major loop conducting, through the output output of delay time turn off delay time circuit, turn-off and drive signal to the drive end of loop control circuit, drive loop control circuit to turn-off.When the input at loop control circuit in opening state and signal control circuit receives user's operation signal, output is turn-offed and is driven signal, drives loop control circuit to turn-off.The present embodiment, turn on light can automatic distinguishing by the light source of light fixture after a while, saves the action of turning off the light, and makes operation more convenient.After turning on light, also can manually turn off the light, without waiting until automatic distinguishing, occupation mode is flexible.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (8)
1. a switching circuit, is characterized in that, comprising: rectification circuit, loop control circuit, signal control circuit and turn off delay time circuit, wherein,
The first ac input end of described rectification circuit is for being connected to the first end of load, the second end of described load is connected to AC power live wire, the second ac input end of described rectification circuit is used for being connected to AC power zero line, the first DC output end of described rectification circuit is connected to the positive pole of described loop control circuit, the second DC output end of described rectification circuit, for being connected to earth point;
The negative pole of described loop control circuit is used for being connected to earth point, described loop control circuit comprises a drive end, when described drive end be applied in one open while driving signal described in conducting between the positive pole of loop control circuit and negative pole, disconnect between the positive pole of loop control circuit and negative pole described in when described drive end is applied in a shutoff and drives signal;
Described signal control circuit comprises an input, one opens driving signal output part and a cut-off signals output, described opening drives signal output part and described shutoff to drive signal output part to be connected to the drive end of described loop control circuit, described input is for receiving user's operation signal, described signal control circuit for exporting the described driving signal of opening when off state and described input receive user's operation signal at described loop control circuit, and, at described loop control circuit, when opening state and described input receive user's operation signal, export described shutoff and drive signal,
The output of described turn off delay time circuit is connected to the drive end of described loop control circuit, the earth terminal of described turn off delay time circuit is used for being connected to earth point, and described turn off delay time circuit for driving signal through delay time output shutoff after described loop control circuit conducting.
2. circuit according to claim 1, is characterized in that, described circuit also comprises indicator light circuit, and the positive pole of described indicator light circuit is connected to the first DC output end of described rectification circuit, and the negative pole of described indicator light circuit is used for being connected to earth point.
3. circuit according to claim 1 and 2, is characterized in that, described rectification circuit is full bridge rectifier.
4. circuit according to claim 3, is characterized in that, described loop control circuit comprises the first resistance, the first triode and gated thyristor, wherein,
The first end of described the first resistance is connected to the anode of described gated thyristor, the anode of described gated thyristor is the positive pole of described loop control circuit, the second end of described the first resistance is connected to the gate pole of described gated thyristor, the collector electrode of described the first triode is connected to the second end of described the first resistance, the base stage of described the first triode is the drive end of described loop control circuit, the emitter of described the first triode is connected to the negative electrode of described gated thyristor, the negative pole that the negative electrode of described gated thyristor is described loop control circuit.
5. circuit according to claim 4, is characterized in that, described signal control circuit comprises the second resistance, the second triode, metal touch sheet, the 3rd resistance, the 4th resistance and the first diode, wherein,
The first end of described the second resistance is connected to the first DC output end of described rectification circuit, the second end of described the second resistance is connected to the collector electrode of described the second triode, the collector electrode of described the second triode is connected to the drive end of described loop control circuit, the very described signal control circuit of the current collection of described the second triode open driving signal output part, the emitter of described the second triode is used for being connected to earth point;
Described metal touch sheet is connected to the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected to the anode of the first end of described the 4th resistance, the base stage of described the second triode and described the first diode, the second end of described the 4th resistance is used for being connected to earth point, the negative electrode of described the first diode is connected to the collector electrode of described the second triode, the negative electrode of described the first diode is that the shutoff of described signal control circuit drives signal output part, and described metal touch sheet is for receiving user's operation signal.
6. circuit according to claim 5, is characterized in that, described turn off delay time circuit comprises the first electric capacity, wherein,
The positive pole of described the first electric capacity is connected to the drive end of described loop control circuit, and the negative pole of described the first electric capacity is used for being connected to earth point.
7. circuit according to claim 2, is characterized in that, described indicator light circuit comprises the 5th resistance and the first light-emitting diode, wherein,
The first end of described the 5th resistance is connected to the first DC output end of described rectification circuit, and the second end of described the 5th resistance is connected to the anode of described the first light-emitting diode, and the negative electrode of described the first light-emitting diode is used for being connected to earth point.
8. a light fixture with switching circuit, it is characterized in that, comprise switching circuit and light source as described in claim 1 to 7 any one, wherein, the first end of described light source is connected to the first ac input end of the described rectification circuit of described switching circuit, and the second end of described light source is used for being connected to AC power live wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310133835.XA CN104113952B (en) | 2013-04-17 | 2013-04-17 | A kind of on-off circuit and the light fixture with on-off circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310133835.XA CN104113952B (en) | 2013-04-17 | 2013-04-17 | A kind of on-off circuit and the light fixture with on-off circuit |
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| Publication Number | Publication Date |
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| CN104113952A true CN104113952A (en) | 2014-10-22 |
| CN104113952B CN104113952B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310133835.XA Active CN104113952B (en) | 2013-04-17 | 2013-04-17 | A kind of on-off circuit and the light fixture with on-off circuit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079844U (en) * | 1990-12-19 | 1991-06-26 | 凌道璋 | Energy saving switch capable of manual turning off in delay period |
| CN2217280Y (en) * | 1994-12-17 | 1996-01-10 | 王科斌 | Double-line touch time-delay power-off electronic switch |
| US20050063200A1 (en) * | 2003-09-18 | 2005-03-24 | John Lu | Movable and delay-extinction illuminating apparatus |
| CN201674481U (en) * | 2010-06-09 | 2010-12-15 | 范余唐 | Touch push button type switch |
| CN202496110U (en) * | 2012-02-28 | 2012-10-17 | 成都措普科技有限公司 | Illuminating lamp controller with sound-light-touch-three-control delay |
-
2013
- 2013-04-17 CN CN201310133835.XA patent/CN104113952B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079844U (en) * | 1990-12-19 | 1991-06-26 | 凌道璋 | Energy saving switch capable of manual turning off in delay period |
| CN2217280Y (en) * | 1994-12-17 | 1996-01-10 | 王科斌 | Double-line touch time-delay power-off electronic switch |
| US20050063200A1 (en) * | 2003-09-18 | 2005-03-24 | John Lu | Movable and delay-extinction illuminating apparatus |
| CN201674481U (en) * | 2010-06-09 | 2010-12-15 | 范余唐 | Touch push button type switch |
| CN202496110U (en) * | 2012-02-28 | 2012-10-17 | 成都措普科技有限公司 | Illuminating lamp controller with sound-light-touch-three-control delay |
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| CN104113952B (en) | 2017-09-26 |
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