CN204836744U - Hand over human response filing cabinet of straight stand -by power supply LED lamp of adjusting luminance - Google Patents
Hand over human response filing cabinet of straight stand -by power supply LED lamp of adjusting luminance Download PDFInfo
- Publication number
- CN204836744U CN204836744U CN201520677490.9U CN201520677490U CN204836744U CN 204836744 U CN204836744 U CN 204836744U CN 201520677490 U CN201520677490 U CN 201520677490U CN 204836744 U CN204836744 U CN 204836744U
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- CN
- China
- Prior art keywords
- chip
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- light
- power supply
- connects
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The utility model relates to an electric light source technique specifically is a hand over human response filing cabinet of straight stand -by power supply LED lamp of adjusting luminance. Including lamps and lanterns, alternating current power supply rectifier and battery, the steady voltage chip, infrared sensor, light -off delay circuit, the normally open contact of the rela, transfer optical pulse generator, the pulse PWM driver chip that adjusts luminance, emitting diode LED, wherein, infrared sensor output meets light -off delay circuit, electrical apparatus is succeeded in the output of light -off delay circuit, alternating current power supply rectifier output direct current voltage cathode establishes ties and prevents palirrhea dipolar pipe connector battery, connect relay contact points one end through switch S, another termination steady voltage chip input that contacts end, the output of steady voltage chip connects transfers the optical pulse generator power end, it makes and to hold to transfer optical pulse generator output to connect pulse PWM to adjust luminance driver chip, pulse PWM adjusts luminance driver chip output and connects the LED lamps and lanterns. The utility model is suitable for an alternating current power supply power failure backup battery power supply illumination as usual, the people is bright at the lamp, and the people is from turning off the light labour saving and time saving.
Description
Technical field
The utility model relates to electric light source technology, specifically the straight stand-by power supply human body sensing file cabinet dimming LED lamp of a kind of friendship.
Background technology
File cabinet deposits important certificate, original paper data, and calling file does not have suitable lighting to waste time and energy, and the low operational effectiveness that affects of fluorescent lamp color rendering, and brightness is non-adjustable.File cabinet illumination requires not affect illumination when using AC power to have a power failure.
Summary of the invention
The purpose of this utility model is to provide file cabinet illumination, and when AC power has a power failure, battery emergency service can throw light on as usual, and people is bright at lamp, and people's one of automatically turning off the light of leaving away hands over straight stand-by power supply human body sensing file cabinet dimming LED lamp.
Technical solution of the present utility model: comprise light fixture, AC power rectifier and battery, voltage stabilizing chip, infrared sensor, light-off delay circuit, relay, dimmer pulse generator, pulse PWM light modulation driving chip, LED, wherein, infrared sensor exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, AC power rectifier output dc voltage positive pole series connection antireflux diode connects battery, AC power rectifier output dc voltage and battery are through one end, switch S contact relay contact and infrared sensor power end, light-off delay circuit power end, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation driving chip power end, voltage stabilizing chip output connects dimmer pulse generator power end, dimmer pulse generator output end meets pulse PWM light modulation driving chip Enable Pin CE, pulse PWM light modulation driving chip output LX is through inductance L
1shunt capacitance C
7with LED anode, the Schottky diode D of pulse PWM light modulation driving chip output LX also earth
1, LED negative electrode meets electric capacity C
7with sampling resistor R
3connect pulse PWM light modulation driving chip error simultaneously and amplify FB end, the GND of voltage stabilizing chip, dimmer pulse generator, pulse PWM light modulation driving chip holds ground connection, and LED is placed in light fixture, infrared sensor is placed in file cabinet, and lamp installation is thrown light in file cabinet.
Dimmer pulse generator by time base chip IC
2, resistance R
1, R
2, potentiometer RP
1, electric capacity C
1, C
2composition, resistance R
1, potentiometer RP
1, resistance R
2, electric capacity C
1connect successively, resistance R
1base chip IC when connecing
2power end, potentiometer RP
1, resistance R
2base chip IC when contact connects
2dIS end, potentiometer RP
1, electric capacity C
1base chip IC when contact connects
2a standby comparator input terminal, electric capacity C
1, C
2ground connection, dimmer pulse generator exports and connects pulse PWM light modulation driving chip Enable Pin, regulator potentiometer RP
1change pulse frequency and duty ratio, cause LED average current to change and reach light modulation.
Light-off delay circuit by time base chip IC
4, resistance R
7, potentiometer RP
2, electric capacity C
8the timing of composition monostable flipflop, infrared sensor exports and connects base chip IC when triode VT triggers
4input, time base chip IC
4output contact relay.
The utility model produces useful good effect: hand over straight stand-by power supply file cabinet illuminating lamp, the powered battery when having a power failure, and can as usual throw light on, people is bright at file cabinet work light, calls file people and leaves away and automatically turn off the light, time saving and energy saving.Potentiometer RP
1stepless dimming LED lamp, potentiometer RP
2regulate time of turning off the light, easy to use.
Accompanying drawing explanation
Fig. 1 the utility model theory diagram
Fig. 2 hands over straight stand-by power supply human body sensing file cabinet dimming LED lamp circuit
Embodiment
With reference to Fig. 1, Fig. 2, the utility model embodiment and embodiment: comprise light fixture 9, AC power rectifier and battery 4, voltage stabilizing chip 5, infrared sensor 1, light-off delay circuit 2, relay K 3, dimmer pulse generator 6, pulse PWM light modulation driving chip 7, LED 8, wherein, infrared sensor 1 exports and connects light-off delay circuit 2, light-off delay circuit 2 exports and connects relay K 3, AC power rectifier output dc voltage positive pole series connection antireflux diode D
3connect battery, AC power rectifier output dc voltage and battery 4 are through switch S contact relay contact K
-1one end, infrared sensor 1 power end, light-off delay circuit 2 power end, relay contact K
-1the input of another termination voltage stabilizing chip 5 and pulse PWM light modulation driving chip 7 power end, voltage stabilizing chip 5 exports termination dimmer pulse generator 6 power end, dimmer pulse generator 6 output OUT meets pulse PWM light modulation driving chip 7 Enable Pin CE, and pulse PWM light modulation driving chip 7 output LX is through inductance L
1shunt capacitance C
7with LED 8 anode, the Schottky diode D of pulse PWM light modulation driving chip 7 output LX also earth
1, LED 8 negative electrode meets electric capacity C
7with sampling resistor R
3connect pulse PWM light modulation driving chip 7 error simultaneously and amplify FB end, the GND of voltage stabilizing chip 5, dimmer pulse generator 6, pulse PWM light modulation driving chip 7 holds ground connection, and LED 8 is placed in light fixture 9, infrared sensor 1 is placed in file cabinet, and light fixture 9 is installed on file cabinet illumination.
People transfers file at file cabinet, and infrared sensor induction output voltage, triggers light-off delay circuit IC through triode VT
4set, relay K adhesive, contact K
-1connect voltage stabilizing chip power, voltage stabilizing chip output voltage supply dimmer pulse generator, pulse PWM light modulation driving chip drive LED automatically to light, light-off delay circuit supply voltage V simultaneously
dDthrough resistance R
7, potentiometer RP
2to electric capacity C
8charging, people leaves away file cabinet electric capacity C
8electric discharge, IC
4upset, relay contact K
-1release, dimmer pulse generator, pulse PWM light modulation driving chip have a power failure, and LED extinguishes, time saving and energy saving.
Infrared sensor model AMNI, built-in infrared window optical filtering, infrared sensor, amplifier, comparator, output Shaping and voltage stabilizing, it is small and exquisite easy for installation that TO-5 encapsulates the bodily form, detecting distance 5 meters, horizontal angle 100 °, vertical angle 82 °.Dimmer pulse generator IC
2with light-off delay circuit IC
4model 555, voltage stabilizing chip model 7806, pulse PWM light modulation driving chip model PT4105, driving power 1-3W file cabinet dimming LED lamp throws light on.Switch S switches hands over straight Power supply, uses during AC power illumination and charges to battery E.
Claims (3)
1. hand over straight stand-by power supply human body sensing file cabinet dimming LED lamp for one kind, comprise light fixture, it is characterized in that: also comprise AC power rectifier and battery, voltage stabilizing chip, infrared sensor, light-off delay circuit, relay, dimmer pulse generator, pulse PWM light modulation driving chip, LED, wherein, infrared sensor exports and connects light-off delay circuit, light-off delay circuit exports and connects relay, AC power rectifier output dc voltage positive pole series connection antireflux diode connects battery, AC power rectifier output dc voltage and battery are through one end, switch S contact relay contact and infrared sensor power end, light-off delay circuit power end, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation driving chip power end, voltage stabilizing chip output connects dimmer pulse generator power end, dimmer pulse generator pulse output end meets pulse PWM light modulation driving chip Enable Pin CE, pulse PWM light modulation driving chip output LX is through inductance L
1shunt capacitance C
7with LED anode, the Schottky diode D of pulse PWM light modulation driving chip output LX also earth
1, LED negative electrode meets electric capacity C
7with sampling resistor R
3connect pulse PWM light modulation driving chip error simultaneously and amplify FB end, the GND of voltage stabilizing chip, dimmer pulse generator, pulse PWM light modulation driving chip holds ground connection, and LED is placed in light fixture, infrared sensor is placed in file cabinet, and lamp installation is thrown light in file cabinet.
2. friendship according to claim 1 straight stand-by power supply human body sensing file cabinet dimming LED lamp, is characterized in that: dimmer pulse generator by time base chip IC
2, resistance R
1, R
2, potentiometer RP
1, electric capacity C
1, C
2composition, resistance R
1, potentiometer RP
1, resistance R
2, electric capacity C
1connect successively, resistance R
1base chip IC when connecing
2power end, potentiometer RP
1, resistance R
2base chip IC when contact connects
2dIS end, potentiometer RP
1, electric capacity C
1base chip IC when contact connects
2comparator input terminal, electric capacity C
1, C
2ground connection, dimmer pulse generator exports and connects pulse PWM light modulation driving chip Enable Pin, regulator potentiometer RP
1change pulse frequency and duty ratio, cause LED average current to change and reach light modulation.
3. friendship according to claim 1 straight stand-by power supply human body sensing file cabinet dimming LED lamp, is characterized in that: light-off delay circuit by time base chip IC
4, resistance R
7, potentiometer RP
2, electric capacity C
8the timing of composition monostable flipflop, infrared sensor exports and connects base chip IC when triode VT triggers
4input, time base chip IC
4output contact relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677490.9U CN204836744U (en) | 2015-08-25 | 2015-08-25 | Hand over human response filing cabinet of straight stand -by power supply LED lamp of adjusting luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677490.9U CN204836744U (en) | 2015-08-25 | 2015-08-25 | Hand over human response filing cabinet of straight stand -by power supply LED lamp of adjusting luminance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204836744U true CN204836744U (en) | 2015-12-02 |
Family
ID=54694293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520677490.9U Expired - Fee Related CN204836744U (en) | 2015-08-25 | 2015-08-25 | Hand over human response filing cabinet of straight stand -by power supply LED lamp of adjusting luminance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204836744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039221A (en) * | 2018-08-29 | 2018-12-18 | 阳光电源股份有限公司 | A kind of active short circuit current and electric machine controller |
| CN113015295A (en) * | 2019-12-19 | 2021-06-22 | 荷马哲思蒂有限公司 | Desk lamp with power control circuit |
-
2015
- 2015-08-25 CN CN201520677490.9U patent/CN204836744U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039221A (en) * | 2018-08-29 | 2018-12-18 | 阳光电源股份有限公司 | A kind of active short circuit current and electric machine controller |
| US11146204B2 (en) | 2018-08-29 | 2021-10-12 | Sungrow Power Supply Co., Ltd. | Circuit for actively performing short-circuit and motor controller |
| CN109039221B (en) * | 2018-08-29 | 2021-12-10 | 阳光电源股份有限公司 | Active short circuit and motor controller |
| CN113015295A (en) * | 2019-12-19 | 2021-06-22 | 荷马哲思蒂有限公司 | Desk lamp with power control circuit |
| CN113015295B (en) * | 2019-12-19 | 2023-07-25 | 荷马哲思蒂有限公司 | Desk lamp with power supply control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |