CN205610974U - LED is multi -functional energy -conserving light control system of high accuracy for lamp - Google Patents
LED is multi -functional energy -conserving light control system of high accuracy for lamp Download PDFInfo
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- CN205610974U CN205610974U CN201620198542.9U CN201620198542U CN205610974U CN 205610974 U CN205610974 U CN 205610974U CN 201620198542 U CN201620198542 U CN 201620198542U CN 205610974 U CN205610974 U CN 205610974U
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model discloses a LED is multi -functional energy -conserving light control system of high accuracy for lamp, a serial communication port, including central processing unit, the bee calling organ who all is connected with central processing unit, power, photosensitive sensor, serial -type constant current protection circuit and processing circuit, the infrared probe who is connected with processing circuit to and the LED lamp that is connected with serial -type constant current protection circuit, the output circuit that processing circuit was made an uproar amplifier circuit and input and is connected with the output that falls the amplifier circuit that makes an uproar by falling of being connected with infrared probe of input, output circuit's output is connected with central processing unit. The utility model discloses an energy -conserving light control system is used to the LED lamp, makes LED table lamp realize automatic adjustting of the lighteness and self -closing, the very big electric energy of having saved to LED table lamp's service life can be fully improved, use cost has been reduced.
Description
Technical field
This utility model relates to the technical field of electronic equipment, specifically refers to a kind of LED many merits of high accuracy
Can energy-saving photo-controlled system.
Background technology
LED desk lamp because of when it uses mobility strong and be widely used by people, current people use more
Fixed light source and the LED desk lamp of adjustable light source, the LED desk lamp of existing adjustable light source is can be by adjusting
Joint switch carries out brightness regulation, with the brightness requirement of satisfied different ranges.But, people are using this
Brightness to desk lamp cannot be adjusted accurately during the LED desk lamp of kind of adjustable light source, cause LED desk lamp
Luminance shortage or brightness too strong, and eyes are caused greatly injury.
And, existing LED desk lamp needs manually to close after using, and often can forget due to people to close
Close desk lamp and easily cause the waste of electric energy.
Utility model content
The purpose of this utility model is to overcome LED desk lamp of the prior art can not be automatically adjusted the bright of light
Degree, the defect that can not be automatically switched off, this utility model provides a kind of LED high-accuracy multifunctional energy-conservation
Light control system.
This utility model is achieved through the following technical solutions: a kind of LED high-accuracy multifunctional is energy-conservation
Light control system, including central processing unit, the buzzer being all connected with central processing unit, power supply, photosensitive biography
Sensor, tandem constant current protection circuit and signal processing circuit, the infrared ray being connected with signal processing circuit
Probe, and the LED being connected with tandem constant current protection circuit.
Described tandem constant current protection circuit is by audion VT2, audion VT3, audion VT4, polarity
Electric capacity C9, field effect transistor MOS2, positive pole base stage with audion VT2 after resistance R14 is connected, negative
The polar capacitor C6 that pole colelctor electrode with audion VT3 after resistance R15 is connected, one end and audion
The resistance R20 that the emitter stage of VT3 is connected, the other end is connected with the base stage of audion VT4, negative pole warp
After resistance R19, the base stage with audion VT3 is connected, positive pole is connected with the grid of field effect transistor MOS2
Polar capacitor C8, P pole be connected with the base stage of audion VT2, N pole after resistance R16 with polarity electricity
Hold diode D5, the P pole that is connected of negative pole of the C8 base stage with audion VT2 after resistance R17 to be connected
Connect, diode D6, P pole that N pole is connected with the source electrode of field effect transistor MOS2 after resistance R21 is through electricity
Resistance R18 after be connected with the emitter stage of audion VT2, N pole after adjustable resistance R23 with polar capacitor
The diode D7 that the negative pole of C9 is connected, one end is connected with the positive pole of polar capacitor C9, the other end and three
The resistance R22 that the base stage of pole pipe VT4 is connected, and positive pole is connected with the P pole of diode D6, negative
The polar capacitor C7 composition that pole is connected with the P pole of diode D7；The emitter stage of described audion VT2 and
The positive pole of polar capacitor C6 is collectively forming the input of tandem constant current protection circuit and is connected with central processing unit
Connect, the grounded collector of this audion VT2；The grounded collector of described audion VT4, its emitter stage with
The drain electrode of field effect transistor MOS2 is connected, and meanwhile, the negative pole of its base stage and polar capacitor C9 is collectively forming string
The outfan of connection formula constant current protection circuit is also connected with LED.
Described signal processing circuit includes the noise reduction amplifying circuit that input is connected with infrared probe, and defeated
Enter the output circuit that is connected with the outfan of noise reduction amplifying circuit of end, the outfan of described output circuit and in
Central processor is connected.
Described noise reduction amplifying circuit by amplifier P1, amplifier P2, audion VT1, field effect transistor MOS1,
One end is connected with the negative input of amplifier P1, the other end is as the electricity of the input of noise reduction amplifying circuit
Resistance R1, positive pole is connected with the outfan of amplifier P1, negative pole after resistance R2 with amplifier P1 just
Polar capacitor C2, the P pole that pole input is connected outfan with amplifier P2 after resistance R3 is connected,
The diode D1 that N pole is connected with the electrode input end of amplifier P2, positive pole is defeated with the negative pole of amplifier P2
Enter end be connected, the polar capacitor C1 of minus earth, one end is connected with the outfan of amplifier P2, separately
Resistance R5, the P pole that one end is connected with the base stage of audion VT1 is connected with the source electrode of field effect transistor MOS1
Connect, diode D2 that N pole is connected with the emitter stage of audion VT1, negative pole is imitated with field after resistance R7
Should the drain electrode of pipe MOS1 is connected, positive pole outfan with amplifier P1 after resistance R4 is connected pole
Property electric capacity C3, and one end is connected with the positive pole of polar capacitor C3, the other end and field effect transistor MOS1
Grid be connected resistance R6 composition；The outfan of described amplifier P2 and the negative pole phase of polar capacitor C2
Connect；The grounded collector of described audion VT1；The drain electrode of described field effect transistor MOS1 is put as noise reduction
The outfan of big circuit.
Described output circuit is by amplifier P3, and positive pole is connected with the negative input of amplifier P3, negative pole warp
Polar capacitor C4, the P pole being connected with the drain electrode of field effect transistor MOS1 after resistance R8 is sequentially through resistance R10
Be connected with negative pole with polar capacitor C4 after adjustable resistance R9, the electrode input end of N pole and amplifier P3
Diode D3, the P pole being connected negative pole with polar capacitor C4 after resistance R11 is connected, N pole warp
The diode D4 that after resistance R13, outfan with amplifier P3 is connected, and positive pole and diode D3
The polar capacitor C5 that P pole is connected, negative pole outfan with amplifier P3 after resistance R12 is connected
Composition；The outfan of described amplifier P3 is as the outfan of output circuit.
For guaranteeing practical effect of the present utility model, described light sensor is that RA-1809NO is photosensitive
Sensor；Described infrared probe is KR-P900 Radix Rumicis infrared probe.
This utility model compared with prior art has the following advantages and beneficial effect:
(1) the luminance signal transmission central processing unit that light sensor of the present utility model gathers, central authorities process
After this luminance signal is analyzed by device, the brightness of LED is adjusted by the corresponding electric current that controls of output, in
LED also can be automatically switched off by central processor when infrared probe collects unmanned signal, thus effectively
Achieve the brightness to LED desk lamp automatically adjust and be automatically switched off, save electric energy greatly.
(2) tandem constant current protection circuit of the present utility model can carry out perseverance to the electric current of central processing unit output
Stream, the most also can carry out short-circuit protection to LED, it is ensured that LED obtains stable operating current, thus
Guarantee the accuracy that this energy-conservation light control system is light-operated to LED.
(3) infrared probe is detected by the noise reduction amplifying circuit in signal processing circuit of the present utility model
Signal in LED desk lamp range carries out noise reduction, passes after being amplified by the signal after noise reduction process simultaneously
Being defeated by output circuit, this output circuit is transferred to central processing unit after being filtered amplifying to the signal after amplifying,
Thus effectively raise the accuracy that LED desk lamp is automatically switched off by this energy-conservation light control system.
(4) light sensor of the present utility model is RA-1809NO type light sensor, this light sensor
Stable performance, the scope gathering information is wide, can accurately be acquired the brightness in acquisition range.
(5) this utility model infrared probe is KR-P900 type Radix Rumicis infrared probe, this infrared probe
Can carry out the detection of Radix Rumicis 180 °, it has the advantages such as accuracy is high, sensitivity is strong, thus it is ensured that this
The LED of utility model controls, by intelligent light-controlled system, the accuracy that LED desk lamp carries out being automatically switched off.
(6) LED energy-saving photo-controlled system of the present utility model, makes LED desk lamp achieve automatization's brightness
Regulation, and can be automatically switched off at nobody when, it is greatly saved electric energy, and can fully carry
The high useful life of LED desk lamp, reduces use cost.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present utility model.
Fig. 2 is the electrical block diagram of signal processing circuit of the present utility model.
Fig. 3 is the electrical block diagram of tandem constant current protection circuit of the present utility model.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail, but enforcement of the present utility model
Mode is not limited to this.
As it is shown in figure 1, this utility model includes central processing unit, the buzzing being all connected with central processing unit
Device, power supply, light sensor, tandem constant current protection circuit and signal processing circuit, with signal processing electricity
The infrared probe that road is connected, and the LED being connected with tandem constant current protection circuit.Wherein,
Described signal processing circuit is as in figure 2 it is shown, it includes noise reduction amplifying circuit and output circuit.
For guaranteeing reliability service of the present utility model, described central processing unit preferentially uses the integrated core of LT3477
Sheet, this LT3477 integrated chip SW pin is connected with buzzer, and SS pin is connected with light sensor
Connecing, VIN pin is connected with power supply.Described power supply is 12V DC voltage, and this 12V DC voltage is
Central processing unit is powered.
During operation, described light sensor preferentially uses RA-1805NO light sensor to realize；This light
Dependent sensor is for gathering the luminance signal that LED desk lamp range is indoor, and the luminance signal that will collect
It is transferred to central processing unit.The brightness reference value of applicable human eye, this reality it is set with in described central processing unit
With novel, brightness reference value is preferentially set to 1000cd.The brightness data letter that this central processing unit will receive
Number be converted to brightness value and the brightness reference value that prestores with it is compared, and export phase according to the result of comparison
The control electric current answered, this control electric current is concatenated providing one for LED after formula constant current protection circuit carries out constant current
Individual stable operating current, makes the brightness reference value prestored in the brightness holding of LED desk lamp and central processing unit
Unanimously.I.e. central processing unit can be different to LED output according to the natural brightness of LED desk lamp range
Electric current, makes the brightness of LED desk lamp remain at 1000cd, thus the eyes being effectively protected people will not
Come to harm.
Wherein, people are when opening LED desk lamp, and the infrared probe in LED desk lamp is opened simultaneously all the time
Opening, infrared probe of the present utility model is KR-P900 Radix Rumicis infrared probe, and this infrared probe can be right
The range of LED desk lamp carries out the detection of Radix Rumicis 180 °, the information that this infrared probe will detect simultaneously
Transmitting through signal processing circuit, the LED desk lamp that infrared probe is detected by the noise reduction amplifying circuit in this uses
In the range of signal carry out noise reduction, be transferred to output circuit after being amplified by the signal after noise reduction process simultaneously,
This output circuit is transferred to central processing unit after being filtered amplifying to the signal after amplifying, and central processing unit is then
The information of the range of the LED desk lamp detected by infrared probe controls the open and close of LED.
During LED desk lamp work, when people leaves the investigative range that infrared probe is visited, infrared probe is visited this letter
Number feeding back to central processing unit, at this moment central processing unit output controls electric current to buzzer, and buzzer starts to send out
Going out prompting sound, this prompting sound is used for reminding people that LED desk lamp will turn off, and this central processing unit is then honeybee
Ring device is automatically stopped after working 3 seconds and LED desk lamp is exported electric current, and now LED desk lamp is closed, simultaneously
The central processing unit of LED desk lamp also can return to reopen state.
As in figure 2 it is shown, described signal processing circuit includes noise reduction amplifying circuit and output circuit；Described noise reduction
Amplifying circuit by amplifier P1, amplifier P2, audion VT1, field effect transistor MOS1, resistance R1,
Resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, polar capacitor C1, pole
Property electric capacity C2, polar capacitor C3, diode D1, and diode D2 composition.
During connection, one end of resistance R1 is connected with the negative input of amplifier P1, the other end is as fall
Make an uproar the input of amplifying circuit being connected with infrared probe.The positive pole of polar capacitor C2 and amplifier P1
Outfan be connected, negative pole electrode input end with amplifier P1 after resistance R2 is connected.Diode
The P pole of D1 outfan with amplifier P2 after resistance R3 is connected, the positive pole of N pole and amplifier P2
Input is connected.The positive pole of polar capacitor C1 is connected with the negative input of amplifier P2, negative pole connects
Ground.One end of resistance R5 is connected with the outfan of amplifier P2, the base stage of the other end and audion VT1
It is connected.
Wherein, the P pole of diode D2 be connected with the source electrode of field effect transistor MOS1, N pole and audion
The emitter stage of VT1 is connected.The negative pole of polar capacitor C3 after resistance R7 with the leakage of field effect transistor MOS1
Pole is connected, positive pole outfan with amplifier P1 after resistance R4 is connected.One end of resistance R6 and pole
The positive pole of property electric capacity C3 is connected, the other end is connected with the grid of field effect transistor MOS1.Described amplifier
The outfan of P2 is connected with the negative pole of polar capacitor C2；The grounded collector of described audion VT1；Institute
State the drain electrode outfan as noise reduction amplifying circuit of field effect transistor MOS1.
Further, described output circuit is by amplifier P3, resistance R8, resistance R9, resistance R10, resistance
R11, resistance R12, resistance R13, polar capacitor C4, polar capacitor C5, diode D3, and two poles
Pipe D4 forms.
During connection, the positive pole of polar capacitor C4 is connected with the negative input of amplifier P3, negative pole is through electricity
It is connected with the drain electrode of field effect transistor MOS1 after resistance R8.The P pole of diode D3 sequentially through resistance R10 and
After adjustable resistance R9 the negative pole with polar capacitor C4 be connected, the electrode input end phase of N pole and amplifier P3
Connect.The P pole of diode D4 negative pole with polar capacitor C4 after resistance R11 is connected, N pole is through electricity
It is connected with the outfan of amplifier P3 after resistance R13.The positive pole of polar capacitor C5 and the P of diode D3
Pole is connected, negative pole outfan with amplifier P3 after resistance R12 is connected.Described amplifier P3's
Outfan is connected as the outfan of output circuit the FBP pin of chip integrated with LT3477.
During operation, the LED desk lamp that infrared probe detects is made by the noise reduction amplifying circuit in signal processing circuit
The bipolar amplifying circuit that signal in the range of with consists of amplifier P1 and amplifier P2 is amplified, and
Signal after amplifying carries out noise reduction process, simultaneously by the signal after noise reduction process by field effect transistor MOS1
Being transferred to output circuit after being amplified, this output circuit transmits after being filtered amplifying to the signal after amplifying
To central processing unit, thus effectively raise what LED desk lamp was automatically switched off by this energy-conservation light control system
Accuracy.
As it is shown on figure 3, described tandem constant current protection circuit is by audion VT2, audion VT3, three poles
Pipe VT4, field effect transistor MOS2, resistance R14, resistance R15, resistance R16, resistance R17, resistance
R18, resistance R19, resistance R20, resistance R21, resistance R22, adjustable resistance R23, polar capacitor C6,
Polar capacitor C7, polar capacitor C8, polar capacitor C9, diode D5, diode D6, and two poles
Pipe D7 forms.
During connection, the positive pole of polar capacitor C6 base stage with audion VT2 after resistance R14 is connected,
Negative pole colelctor electrode with audion VT3 after resistance R15 is connected.One end of resistance R20 and audion
The emitter stage of VT3 is connected, the other end is connected with the base stage of audion VT4.Polar capacitor C8's is negative
Pole base stage with audion VT3 after resistance R19 is connected, the grid phase of positive pole and field effect transistor MOS2
Connect.The P pole of diode D5 is connected with the base stage of audion VT2, N pole after resistance R16 with pole
The negative pole of property electric capacity C8 is connected.
Wherein, the P pole of diode D6 base stage with audion VT2 after resistance R17 be connected, N pole
After resistance R21, the source electrode with field effect transistor MOS2 is connected.The P pole of diode D7 is through resistance R18
Afterwards the emitter stage with audion VT2 be connected, N pole negative with polar capacitor C9 after adjustable resistance R23
Pole is connected.One end of resistance R22 is connected with the positive pole of polar capacitor C9, the other end and audion VT4
Base stage be connected.The positive pole of polar capacitor C7 is connected with the P pole of diode D6, negative pole and diode
The P pole of D7 is connected.
The VC pin of the emitter stage chip integrated with LT3477 of described audion VT2 is connected, this three pole
The grounded collector of pipe VT2；The positive pole of described polar capacitor C6 and the SHDN of the integrated chip of LT3477
Pin is connected；The leakage of the grounded collector of described audion VT4, its emitter stage and field effect transistor MOS2
Pole is connected, and meanwhile, the negative pole of its base stage and polar capacitor C9 is collectively forming tandem constant current protection circuit
Outfan is also connected with LED.
During operation, tandem constant current protection circuit can carry out constant current, simultaneously to the electric current of central processing unit output
Also LED can be carried out short-circuit protection, it is ensured that LED obtains stable operating current.When output short-circuit,
Audion VT4 turns on, and audion VT3 cut-off is protected, and now, LED power-off ensure that the highest
Circuit damage.
As it has been described above, this utility model just can well be realized.
Claims (6)
1. a LED high-accuracy multifunctional energy-saving photo-controlled system, it is characterised in that include centre
Reason device, the buzzer being all connected with central processing unit, power supply, light sensor, tandem constant current protection
Circuit and signal processing circuit, the infrared probe being connected with signal processing circuit, and permanent with tandem
The LED that stream protection circuit is connected；Described tandem constant current protection circuit is by audion VT2, audion
VT3, audion VT4, polar capacitor C9, field effect transistor MOS2, positive pole after resistance R14 with three poles
The polarity that the base stage of pipe VT2 is connected, negative pole colelctor electrode with audion VT3 after resistance R15 is connected
Electric capacity C6, one end is connected with the emitter stage of audion VT3, the base stage phase of the other end and audion VT4
The resistance R20 connected, negative pole base stage with audion VT3 after resistance R19 is connected, positive pole is imitated with field
Should polar capacitor C8, the P pole that is connected of the grid of pipe MOS2 be connected with the base stage of audion VT2, N
Diode D5, the P pole that pole negative pole with polar capacitor C8 after resistance R16 is connected is after resistance R17
Be connected with the base stage of audion VT2, N pole source electrode with field effect transistor MOS2 after resistance R21 is connected
Diode D6, the P pole connect is connected with the emitter stage of audion VT2 after resistance R18, N pole is through adjustable
The diode D7 that after resistance R23, negative pole with polar capacitor C9 is connected, one end is with polar capacitor C9's
The resistance R22 that positive pole is connected, the other end is connected with the base stage of audion VT4, and positive pole and two poles
The polar capacitor C7 composition that the P pole of pipe D6 is connected, negative pole is connected with the P pole of diode D7；Institute
The positive pole of the emitter stage and polar capacitor C6 of stating audion VT2 is collectively forming tandem constant current protection circuit
Input is also connected with central processing unit, the grounded collector of this audion VT2；Described audion VT4
Grounded collector, its emitter stage is connected with the drain electrode of field effect transistor MOS2, meanwhile, its base stage and pole
The negative pole of property electric capacity C9 is collectively forming the outfan of tandem constant current protection circuit and is connected with LED.
A kind of LED high-accuracy multifunctional energy-saving photo-controlled system the most according to claim 1, its
Being characterised by, described signal processing circuit includes the noise reduction amplifying circuit that input is connected with infrared probe,
The output circuit being connected with the outfan of input with noise reduction amplifying circuit, the outfan of described output circuit
It is connected with central processing unit.
A kind of LED high-accuracy multifunctional energy-saving photo-controlled system the most according to claim 2, its
Being characterised by, described noise reduction amplifying circuit is by amplifier P1, amplifier P2, audion VT1, field effect transistor
MOS1, one end is connected with the negative input of amplifier P1, the other end is defeated as noise reduction amplifying circuit
Enter end resistance R1, positive pole is connected with the outfan of amplifier P1, negative pole after resistance R2 with amplifier
Polar capacitor C2, the P pole that the electrode input end of P1 is connected after resistance R3 with the outfan of amplifier P2
Be connected, diode D1 that N pole is connected with the electrode input end of amplifier P2, positive pole and amplifier P2
Negative input be connected, the polar capacitor C1 of minus earth, the outfan phase of one end and amplifier P2
Resistance R5, the P pole that connection, the other end are connected with the base stage of audion VT1 and field effect transistor MOS1
The diode D2 that source electrode is connected, N pole is connected with the emitter stage of audion VT1, negative pole is through resistance R7
Be connected with the drain electrode of field effect transistor MOS1 afterwards, positive pole after resistance R4 with the outfan phase of amplifier P1
The polar capacitor C3 connected, and one end is connected with the positive pole of polar capacitor C3, the other end and field effect
The resistance R6 composition that the grid of pipe MOS1 is connected；The outfan of described amplifier P2 and polar capacitor C2
Negative pole be connected；The grounded collector of described audion VT1；The drain electrode of described field effect transistor MOS1 is made
Outfan for noise reduction amplifying circuit.
A kind of LED high-accuracy multifunctional energy-saving photo-controlled system the most according to claim 3, its
Be characterised by, described output circuit by amplifier P3, positive pole is connected with the negative input of amplifier P3,
Polar capacitor C4, the P pole sequentially warp that negative pole is connected with the drain electrode of field effect transistor MOS1 after resistance R8
After resistance R10 and adjustable resistance R9 the negative pole with polar capacitor C4 be connected, N pole and amplifier P3
Diode D3, the P pole that electrode input end is connected negative pole with polar capacitor C4 after resistance R11 is connected
Connect, diode D4 that N pole outfan with amplifier P3 after resistance R13 is connected, and positive pole with
The pole that the P pole of diode D3 is connected, negative pole outfan with amplifier P3 after resistance R12 is connected
Property electric capacity C5 composition；The outfan of described amplifier P3 is as the outfan of output circuit.
A kind of LED high-accuracy multifunctional energy-saving photo-controlled system the most according to claim 4, its
Being characterised by, described light sensor is RA-1809NO light sensor.
A kind of LED high-accuracy multifunctional energy-saving photo-controlled system the most according to claim 5, its
Being characterised by, described infrared probe is KR-P900 infrared probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198542.9U CN205610974U (en) | 2016-03-15 | 2016-03-15 | LED is multi -functional energy -conserving light control system of high accuracy for lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620198542.9U CN205610974U (en) | 2016-03-15 | 2016-03-15 | LED is multi -functional energy -conserving light control system of high accuracy for lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205610974U true CN205610974U (en) | 2016-09-28 |
Family
ID=56962100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620198542.9U Expired - Fee Related CN205610974U (en) | 2016-03-15 | 2016-03-15 | LED is multi -functional energy -conserving light control system of high accuracy for lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205610974U (en) |
-
2016
- 2016-03-15 CN CN201620198542.9U patent/CN205610974U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170822 Address after: 523000 Guangdong province Dongguan City Chashan town Hengjiang Electronic City Patentee after: Dongguan Aotong Lighting Co. Ltd. Address before: 611200 Chongzhou Sichuan Economic Development Zone Youth (College) Venture Park Patentee before: CHENGDU SHENCHUAN ENERGY SAVING ENVIRONMENTAL PROTECTION ENGINEERING CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20190315 |