CN205610975U - Energy -conserving light control system is used to LED lamp based on serial -type constant current protection circuit - Google Patents
Energy -conserving light control system is used to LED lamp based on serial -type constant current protection circuit Download PDFInfo
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- CN205610975U CN205610975U CN201620199222.5U CN201620199222U CN205610975U CN 205610975 U CN205610975 U CN 205610975U CN 201620199222 U CN201620199222 U CN 201620199222U CN 205610975 U CN205610975 U CN 205610975U
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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 an energy -conserving light control system is used to LED lamp based on serial -type constant current protection circuit, a serial communication port, including central processing unit, the bee calling organ who all is connected with central processing unit, power, serial -type constant current protection circuit, infrared probe and signal filtering amplification circuit, the LED lamp that is connected with serial -type constant current protection circuit to and the photosensitive sensor who is connected with signal filtering amplification circuit, signal filtering amplification circuit includes the band -pass filtering and amplifying circuit that signal filtering receiving circuit that the input is connected and input and signal reception filter circuit's output is connected with photosensitive sensor. 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 based on tandem constant current protection
The LED of circuit 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 based on tandem constant current protection circuit
LED energy-saving photo-controlled system.
This utility model is achieved through the following technical solutions: a kind of based on tandem constant current protection circuit
LED energy-saving photo-controlled system, including central processing unit, the buzzer being all connected with central processing unit,
Power supply, tandem constant current protection circuit, infrared probe and signal filtering amplification treatment circuit, with tandem
The LED that constant current protection circuit is connected, and the photosensitive biography being connected with signal filtering amplification treatment circuit
Sensor.
Described tandem constant current protection circuit is by audion VT3, audion VT4, audion VT5, polarity
Electric capacity C10, field effect transistor MOS, positive pole base stage with audion VT3 after resistance R14 is connected, negative
The polar capacitor C7 that pole colelctor electrode with audion VT4 after resistance R15 is connected, one end and audion
The resistance R20 that the emitter stage of VT4 is connected, the other end is connected with the base stage of audion VT5, negative pole warp
After resistance R19, the base stage with audion VT4 is connected, positive pole is connected with the grid of field effect transistor MOS
Polar capacitor C9, P pole be connected with the base stage of audion VT3, N pole after resistance R16 with polarity electricity
Hold diode D5, the P pole that is connected of negative pole of the C9 base stage with audion VT3 after resistance R17 to be connected
Connect, diode D6, P pole that N pole is connected with the source electrode of field effect transistor MOS after resistance R21 is through electricity
Resistance R18 after be connected with the emitter stage of audion VT3, N pole after adjustable resistance R23 with polar capacitor
The diode D7 that the negative pole of C10 is connected, one end is connected with the positive pole of polar capacitor C10, the other end with
The resistance R22 that the base stage of audion VT5 is connected, and positive pole is connected with the P pole of diode D6,
The polar capacitor C8 composition that negative pole is connected with the P pole of diode D7；The emitter stage of described audion VT3
With the positive pole of polar capacitor C7 be collectively forming tandem constant current protection circuit input and with central processing unit phase
Connect, the grounded collector of this audion VT3；The grounded collector of described audion VT5, its emitter stage
Being connected with the drain electrode of field effect transistor MOS, meanwhile, the negative pole of its base stage and polar capacitor C10 is collectively forming
The outfan of tandem constant current protection circuit is also connected with LED.
Described signal filtering amplification treatment circuit includes that the signal filtering that input is connected with light sensor connects
Receive circuit, the bandpass filtering amplifying circuit being connected with the outfan of input with signal wave reception filtering circuit；
The outfan of described bandpass filtering amplifying circuit is connected with central processing unit.
Described signal filtering receives electricity routing amplifier P1, positive pole is connected with the electrode input end of amplifier P1,
Negative pole receives the polar capacitor C1 of the input of circuit, one end and the negative pole of amplifier P1 as signal filtering
The resistance R3 that input is connected, the other end is connected with the outfan of amplifier P1, negative pole is through resistance R4
The polarity that outfan with amplifier P1 is connected afterwards, positive pole is connected with the negative input of amplifier P1
Electric capacity C2, and P pole is sequentially connected through resistance R2 negative pole with polar capacitor C1 after resistance R1,
The diode D1 composition that N pole is connected with bandpass filtering amplifying circuit after resistance R5；Described amplifier P1
Outfan be connected with bandpass filtering amplifying circuit.
Described bandpass filtering amplifying circuit by amplifier P2, amplifier P3, audion VT1, audion VT2,
Positive pole electrode input end with amplifier P3 after adjustable resistance R8 is connected, negative pole with amplifier P2 just
The polar capacitor C3 that pole input is connected, one end is connected with the electrode input end of amplifier P3, another
Resistance R11, the N pole of end ground connection is connected with the negative input of amplifier P2, P pole is after resistance R9
Diode D2, the N pole being connected with the base stage of audion VT2 defeated with amplifier P3 after resistance R12
Go out end be connected, P pole sequentially after adjustable resistance R10 and resistance R7 with the emitter stage phase of audion VT1
Connect diode D4, positive pole is connected with the colelctor electrode of audion VT2, negative pole after resistance R13 and
The polar capacitor C6 that the outfan of amplifier P3 is connected, positive pole after inductance L with the output of amplifier P3
Polar capacitor C5, the P pole that end is connected, negative pole is connected with the emitter stage of audion VT2 and amplifier P2
The diode that negative input is connected, N pole outfan with amplifier P2 after resistance R6 is connected
D3, and negative pole is connected with the outfan of amplifier P2, the negative input phase of positive pole and amplifier P2
The polar capacitor C4 composition connected；The positive pole of described polar capacitor C3 is connected with the outfan of amplifier P1；
The colelctor electrode of described audion VT2 N pole with diode D1 after resistance R5 is connected；Described three poles
The grounded collector of pipe VT1；The negative input of described amplifier P3 is connected with the positive pole of polar capacitor C5
Connecing, the outfan of this amplifier P3 is as the outfan of bandpass filtering amplifying 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) signal filtering in signal filtering amplification treatment circuit of the present utility model receives circuit and can eliminate light
Interference signal in the luminance signal of dependent sensor transmission, meanwhile, the band in signal filtering amplification treatment circuit
Pass filter amplifying circuit is transferred to centre after being filtered the luminance signal after anti-interference process amplifying
Reason device, thus improve the accuracy of 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 filtering amplification treatment 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, tandem constant current protection circuit, infrared probe and signal filtering amplification treatment circuit, with string
The LED that connection formula constant current protection circuit is connected, and the light being connected with signal filtering amplification treatment circuit
Dependent sensor.Wherein, this signal filtering amplification treatment circuit is as in figure 2 it is shown, it includes that signal filtering receives
Circuit and bandpass filtering amplifying circuit.
For guaranteeing reliability service of the present utility model, described central processing unit preferentially uses the integrated core of LT3477
Sheet, the FBP pin of the integrated chip of this LT3477 is connected with infrared probe, SW pin and buzzer phase
Connecting, VIN pin is connected with power supply.Described power supply is 12V DC voltage, this 12V DC voltage
Power for central processing unit.
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
Through signal filtering amplification treatment circuit, the interference signal in luminance signal is eliminated, simultaneously to anti-interference place
Signal after reason is transferred to central processing unit after being filtered amplifying.It is set with suitable in described central processing unit
Closing the brightness reference value of human eye, brightness reference value is preferentially set to 1000cd by this utility model.This centre
The brightness data signal received is converted to reason device brightness value and the brightness reference value that prestores with it is compared,
And controlling electric current accordingly according to the result output of comparison, this control electric current is concatenated formula constant current protection circuit and enters
There is provided a stable operating current for LED after row constant current, make brightness holding and the centre of LED desk lamp
The brightness reference value prestored in reason device is consistent.I.e. central processing unit can be according to the nature of LED desk lamp range
The electric current that brightness is different to LED output, 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 letter that this infrared probe will detect simultaneously
Breath is transferred to central processing unit, the use model of the LED desk lamp that central processing unit is then detected by infrared probe
The information enclosed is to control the open and close of LED.During LED desk lamp work, when people leaves infrared probe
During the investigative range visited, infrared probe is visited and this signal is fed back to central processing unit, at this moment central processing unit
Output controls electric current and begins to send out prompting sound to buzzer, buzzer, and this prompting sound is used for reminding people LED
Desk lamp will turn off, and this central processing unit is then automatically stopped LED desk lamp defeated after buzzer works 3 seconds
Going out electric current, now LED desk lamp is closed, and LED desk lamp also can return to reopen state simultaneously.
As in figure 2 it is shown, described signal filtering amplification treatment circuit includes that signal filtering receives circuit and the logical filter of band
Ripple amplifying circuit；Described signal filtering receives electricity routing amplifier P1, resistance R1, resistance R2, resistance R3,
Resistance R4, resistance R5, polar capacitor C1, polar capacitor C2, and diode D1.
During connection, the positive pole of polar capacitor C1 is connected with the electrode input end of amplifier P1, negative pole conduct
Signal filtering receives the input of circuit and is connected with light sensor.One end of resistance R3 and amplifier
The negative input of P1 is connected, the other end is connected with the outfan of amplifier P1.Polar capacitor C2's
Negative pole outfan with amplifier P1 after resistance R4 is connected, the negative input of positive pole and amplifier P1
It is connected.The P pole of diode D1 sequentially after resistance R2 and resistance R1 with the negative pole phase of polar capacitor C1
Connect, N pole is connected with bandpass filtering amplifying circuit after resistance R5.The outfan of described amplifier P1
It is connected with bandpass filtering amplifying circuit.
Further, described bandpass filtering amplifying circuit by amplifier P2, amplifier P3, audion VT1,
Audion VT2, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, electricity
Resistance R12, resistance R13, polar capacitor C3, polar capacitor C4, polar capacitor C5, polar capacitor C6,
Diode D2, diode D3, and diode D4 form.
During connection, the positive pole of polar capacitor C3 after adjustable resistance R8 with the electrode input end phase of amplifier P3
Connect, negative pole is connected with the electrode input end of amplifier P2.One end of resistance R11 is with amplifier P3's
Electrode input end is connected, other end ground connection.The N pole of diode D2 and the negative input of amplifier P2
Be connected, P pole base stage with audion VT2 after resistance R9 is connected.The N pole of diode D4 is through electricity
Be connected with the outfan of amplifier P3 after resistance R12, P pole is sequentially after adjustable resistance R10 and resistance R7
It is connected with the emitter stage of audion VT1.
Wherein, the positive pole of polar capacitor C6 is connected with the colelctor electrode of audion VT2, negative pole is through resistance R13
Outfan with amplifier P3 is connected afterwards.The positive pole of polar capacitor C5 after inductance L with amplifier P3
Outfan be connected, negative pole is connected with the emitter stage of audion VT2.The P pole of diode D3 with put
The negative input of big device P2 is connected, N pole outfan with amplifier P2 after resistance R6 is connected.
The negative pole of polar capacitor C4 is connected with the outfan of amplifier P2, positive pole inputs with the negative pole of amplifier P2
End is connected.
The positive pole of described polar capacitor C3 is connected with the outfan of amplifier P1；Described audion VT2's
Colelctor electrode N pole with diode D1 after resistance R5 is connected；The colelctor electrode of described audion VT1 connects
Ground；The negative input of described amplifier P3 is connected with the positive pole of polar capacitor C5, this amplifier P3's
Outfan is connected as the outfan of bandpass filtering amplifying circuit the SS pin of chip integrated with LT3477.
When this utility model runs, the signal filtering in signal filtering amplification treatment circuit receives circuit by filter
Ripple polar capacitor C1 and filtering polar capacitor C2 eliminates the interference letter in the luminance signal of light sensor transmission
Number.Meanwhile, the luminance signal amplified device P1 after this process is transferred to bandpass filtering amplifying circuit after amplifying,
Luminance signal after processing then again is filtered by this bandpass filtering amplifying circuit by filtering polar capacitor C3,
To guarantee the smoothness of luminance signal, and transmit after amplified for the most filtered luminance signal device P3 amplification
To central processing unit, it is ensured that the accuracy of the luminance signal that central processing unit receives, thus improve this
The accuracy of energy-saving photo-controlled system.
As it is shown on figure 3, described tandem constant current protection circuit is by audion VT3, audion VT4, three poles
Pipe VT5, field effect transistor MOS, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18,
Resistance R19, resistance R20, resistance R21, resistance R22, adjustable resistance R23, polar capacitor C7, pole
Property electric capacity C8, polar capacitor C9, polar capacitor C10, diode D5, diode D6, and diode
D7 forms.
During connection, the positive pole of polar capacitor C7 base stage with audion VT3 after resistance R14 is connected,
Negative pole colelctor electrode with audion VT4 after resistance R15 is connected.One end of resistance R20 and audion
The emitter stage of VT4 is connected, the other end is connected with the base stage of audion VT5.Polar capacitor C9's is negative
Pole base stage with audion VT4 after resistance R19 is connected, the grid phase of positive pole and field effect transistor MOS
Connect.The P pole of diode D5 is connected with the base stage of audion VT3, N pole after resistance R16 with pole
The negative pole of property electric capacity C9 is connected.
Wherein, the P pole of diode D6 base stage with audion VT3 after resistance R17 be connected, N pole
After resistance R21, the source electrode with field effect transistor MOS is connected.The P pole of diode D7 is after resistance R18
Be connected with the emitter stage of audion VT3, N pole after adjustable resistance R23 with the negative pole of polar capacitor C10
It is connected.One end of resistance R22 is connected with the positive pole of polar capacitor C10, the other end and audion VT5
Base stage be connected.The positive pole of polar capacitor C8 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 VT3 is connected, this three pole
The grounded collector of pipe VT3；The positive pole of described polar capacitor C7 and the SHDN of the integrated chip of LT3477
Pin is connected；The leakage of the grounded collector of described audion VT5, its emitter stage and field effect transistor MOS
Pole is connected, and meanwhile, the negative pole of its base stage and polar capacitor C10 is collectively forming tandem constant current protection circuit
Outfan and be 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 VT5 turns on, and audion VT4 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 energy-saving photo-controlled system based on tandem constant current protection circuit, it is characterised in that
Including central processing unit, the buzzer being all connected with central processing unit, power supply, tandem constant current protection electricity
Road, infrared probe and signal filtering amplification treatment circuit, the LED being connected with tandem constant current protection circuit
Lamp, and the light sensor being connected with signal filtering amplification treatment circuit；Described tandem constant current is protected
Circuit by audion VT3, audion VT4, audion VT5, polar capacitor C10, field effect transistor MOS,
Positive pole base stage with audion VT3 after resistance R14 is connected, negative pole after resistance R15 with audion
The polar capacitor C7 that the colelctor electrode of VT4 is connected, one end is connected with the emitter stage of audion VT4, another
The resistance R20 that is connected with the base stage of audion VT5 of end, negative pole after resistance R19 with audion VT4's
Base stage is connected, positive pole is connected with the grid of field effect transistor MOS polar capacitor C9, P pole and audion
The diode that the base stage of VT3 is connected, N pole negative pole with polar capacitor C9 after resistance R16 is connected
D5, P pole base stage with audion VT3 after resistance R17 is connected, N pole is imitated with field after resistance R21
Should diode D6, the P pole that is connected of the source electrode of pipe MOS after resistance R18 with the transmitting of audion VT3
The diode D7 that pole is connected, N pole negative pole with polar capacitor C10 after adjustable resistance R23 is connected,
The resistance that one end is connected with the positive pole of polar capacitor C10, the other end is connected with the base stage of audion VT5
R22, and positive pole is connected with the P pole of diode D6, negative pole is connected with the P pole of diode D7
Polar capacitor C8 forms；The emitter stage of described audion VT3 and the positive pole of polar capacitor C7 are collectively forming string
The input of connection formula constant current protection circuit is also connected with central processing unit, and the colelctor electrode of this audion VT3 connects
Ground；The grounded collector of described audion VT5, its emitter stage is connected with the drain electrode of field effect transistor MOS,
Meanwhile, the negative pole of its base stage and polar capacitor C10 is collectively forming the outfan of tandem constant current protection circuit also
It is connected with LED.
A kind of LED based on tandem constant current protection circuit the most according to claim 1 is with energy-conservation
Light control system, it is characterised in that described signal filtering amplification treatment circuit includes input and light sensor
The signal filtering being connected receives circuit, is connected with the outfan of input with signal wave reception filtering circuit
Bandpass filtering amplifying circuit；The outfan of described bandpass filtering amplifying circuit is connected with central processing unit.
A kind of LED based on tandem constant current protection circuit the most according to claim 2 is with energy-conservation
Light control system, it is characterised in that described signal filtering receives electricity routing amplifier P1, positive pole and amplifier P1
Electrode input end be connected, negative pole receives the polar capacitor C1 of input of circuit as signal filtering, one
The electricity that end is connected with the negative input of amplifier P1, the other end is connected with the outfan of amplifier P1
Resistance R3, negative pole outfan with amplifier P1 after resistance R4 is connected, positive pole is negative with amplifier P1's
The polar capacitor C2 that pole input is connected, and P pole is sequentially electric with polarity after resistance R2 and resistance R1
Hold the diode D1 that negative pole is connected, N pole is connected after resistance R5 of C1 with bandpass filtering amplifying circuit
Composition；The outfan of described amplifier P1 is connected with bandpass filtering amplifying circuit.
A kind of LED based on tandem constant current protection circuit the most according to claim 3 is with energy-conservation
Light control system, it is characterised in that described bandpass filtering amplifying circuit is by amplifier P2, amplifier P3, three poles
Pipe VT1, audion VT2, positive pole electrode input end with amplifier P3 after adjustable resistance R8 is connected,
The positive pole of the polar capacitor C3 that negative pole is connected with the electrode input end of amplifier P2, one end and amplifier P3
Input is connected, resistance R11, the N pole of other end ground connection is connected with the negative input of amplifier P2,
Diode D2, the N pole that P pole base stage with audion VT2 after resistance R9 is connected is after resistance R12
Be connected with the outfan of amplifier P3, P pole sequentially after adjustable resistance R10 and resistance R7 with audion
The diode D4 that the emitter stage of VT1 is connected, positive pole is connected with the colelctor electrode of audion VT2, negative pole warp
The polar capacitor C6 that after resistance R13, outfan with amplifier P3 is connected, positive pole after inductance L with put
Outfan is connected, negative pole is connected with the emitter stage of audion VT2 the polar capacitor C5, P of big device P3
Pole is connected with the negative input of amplifier P2, N pole after resistance R6 with the outfan phase of amplifier P2
The diode D3 that connects, and negative pole is connected with the outfan of amplifier P2, positive pole and amplifier P2
The polar capacitor C4 composition that negative input is connected；The positive pole of described polar capacitor C3 and amplifier P1
Outfan be connected；The colelctor electrode of described audion VT2 after resistance R5 with the N pole of diode D1
It is connected；The grounded collector of described audion VT1；The negative input of described amplifier P3 and polarity electricity
The positive pole holding C5 is connected, and the outfan of this amplifier P3 is as the outfan of bandpass filtering amplifying circuit.
A kind of LED based on tandem constant current protection circuit the most according to claim 4 saves
Energy light control system, it is characterised in that described light sensor is RA-1809NO light sensor.
A kind of LED based on tandem constant current protection circuit the most according to claim 5 is with energy-conservation
Light control system, it is characterised in that described infrared probe is KR-P900 infrared probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199222.5U CN205610975U (en) | 2016-03-15 | 2016-03-15 | Energy -conserving light control system is used to LED lamp based on serial -type constant current protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620199222.5U CN205610975U (en) | 2016-03-15 | 2016-03-15 | Energy -conserving light control system is used to LED lamp based on serial -type constant current protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205610975U true CN205610975U (en) | 2016-09-28 |
Family
ID=56963071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620199222.5U Expired - Fee Related CN205610975U (en) | 2016-03-15 | 2016-03-15 | Energy -conserving light control system is used to LED lamp based on serial -type constant current protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205610975U (en) |
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2016
- 2016-03-15 CN CN201620199222.5U patent/CN205610975U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Xiangrong Inventor before: Zhong Li |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170823 Address after: 510000 Guangdong Province, Huadu District of Guangzhou City Motor City Checheng road and Dongfeng Road Interchange building A2 Patentee after: LEDs-LUX Opto & Illumination Technology 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 |
Granted publication date: 20160928 Termination date: 20190315 |