CN202713726U - LED (Light Emitting Diode) human body induction lamp circuit with shimmer - Google Patents
LED (Light Emitting Diode) human body induction lamp circuit with shimmer Download PDFInfo
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- CN202713726U CN202713726U CN2012203485922U CN201220348592U CN202713726U CN 202713726 U CN202713726 U CN 202713726U CN 2012203485922 U CN2012203485922 U CN 2012203485922U CN 201220348592 U CN201220348592 U CN 201220348592U CN 202713726 U CN202713726 U CN 202713726U
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- circuit
- human body
- body sensing
- led
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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 LED (Light Emitting Diode) human body induction lamp circuit with shimmer, wherein the LED human body induction lamp circuit comprises an LED lamp, a half-wave rectifying circuit, a bridge rectifying circuit, a photosensitive sampling circuit and a human body induction processing circuit, wherein the input ends of the half-wave rectifying circuit and the bridge rectifying circuit are connected with alternating current, the input ends of the photosensitive sampling circuit and the human body induction processing circuit are connected with the output end of the half-wave rectifying circuit, the LED lamp is connected with the output end of the bridge rectifying circuit, the output end of the photosensitive sampling circuit is connected with one end of a current limiting resistor R27, and the other end of the current limiting resistor R27 is respectively connected with the LED lamp and the RELAY output end of the human body induction processing circuit. The triggering circuit of the LED human body induction lamp circuit disclosed by the utility model can be turned off, the shimmer circuit is turned on at night, the triggering circuit is at a standby state, the shimmer circuit drives the LED to emit shimmer at a power of about 1W if there is no person, the LED lamp shines at a rated power if a person comes, and the LED lamp closes after a preset time delay after the person leaves.
Description
Technical field
The utility model relates to a kind of sense light circuit, relates in particular to a kind of band low-light LED human body sensing circuit for lamp.
Background technology
At present, the human body inductive lamp on market has 2 kinds, and a kind of is light-operated, and after the darkness, light fixture is lighted automatically, autoshutdown after daybreak, and this sense light has individual defective, wastes exactly electric energy; Another kind is with light-operated sense light, closes sensor trigger circuit daytime, starts sensor trigger circuit after the darkness, when someone comes, trigger light fixture work, close light fixture after the people leaves, this shortcoming is to be dark before light fixture is not lighted, and the people lights suddenly after coming, and can produce a kind of dazzling dazzle.
Be in the utility model patent of a kind of LED human body sensing circuit for lamp of 201020555977.7 at application number, a kind of LED body induction circuit easy to use is provided, it is walked about by the induction human body and automatically controls lighting and extinguishing of LED lamp, and sort circuit design shortcoming namely can produce dazzling dazzle.
Summary of the invention
The utility model is for defects, a kind of LED human body sensing circuit for lamp with low-light is provided, dim light circuit and body induction circuit are all closed during daytime, and after the darkness, dim light circuit is started working, body induction circuit enters and waits for holding state simultaneously, during the no one, glimmer, guide direction, after the people came, light fixture was entirely bright.
In order to solve technique scheme, the utility model is solved by following technical proposals:
A kind of band low-light LED human body sensing circuit for lamp comprises the LED lamp, half-wave rectifying circuit, and bridge rectifier, sample circuit also comprises light-sensitive samples circuit and human body sensing treatment circuit.
As preferably, described half-wave rectifying circuit is connected input and is connected alternating current with bridge rectifier, the light-sensitive samples circuit is connected input and all is connected with the half-wave rectifying circuit output with the human body sensing treatment circuit, the LED lamp is connected with the output of bridge rectifier, the output of light-sensitive samples circuit is connected with current-limiting resistance R27 one end, and the current-limiting resistance R27 other end is connected with human body sensing treatment circuit RELAY output with the LED lamp respectively.
As preferably, described human body sensing treatment circuit comprises control process chip, pyroelectric infrared transducer, and the model of control process chip is LP8072C.
As preferably, a multiple tube that is comprised of two triodes is set between described light-sensitive samples circuit and the current-limiting resistance, the grounded emitter of multiple tube, collector electrode is connected with the sample circuit input with current-limiting resistance R27 respectively, base stage connects the output of photosensitive employing circuit, sample circuit output head grounding, multiple tube are controlled the on off state of dim light circuit according to the light-sensitive samples circuit.
As preferably, a switch triode Q2 is set between described sample circuit output and the ground wire, the base stage of switch triode Q2 is connected with the sample circuit output, the grounded emitter of switch triode Q2, and the collector electrode of switch triode Q2 is connected with control process chip RELAY output.Switch triode Q2 is used for controlling the operating state of human body sensing treatment circuit.
As preferably, be provided with an one-way SCR Q1 between described current-limiting resistance R27 and the human body sensing treatment circuit, the anode of one-way SCR Q1 is connected with current-limiting resistance R27, the minus earth of one-way SCR Q1, the control utmost point of one-way SCR Q1 is connected with human body sensing treatment circuit RELAY output.
As preferably, be provided with a diode D6 between the control utmost point of described one-way SCR Q1 and the human body sensing treatment circuit RELAY output, the anodic bonding human body sensing treatment circuit RELAY output of diode D6, the negative electrode of diode D6 connects one-way SCR Q1, the model of diode D6 is 1N4148, is used for raising the triggering level of one-way SCR Q1.
As preferably, described LED lamp is composed in parallel by 1 above LED.
The utility model is by adopting above technical scheme, have significant technique effect: the utility model can be closed dim light circuit and human body sensing treatment circuit by day the time, when night, dim light circuit is started working, simultaneously the human body sensing treatment circuit enters holding state, and when the no one, the power drive LED of dim light circuit about with 1W glimmers, behind the messenger, the LED lamp is luminous with rated power.
Description of drawings
Fig. 1 is the utility model schematic diagram.
The toponym that each number designation refers in the above accompanying drawing is as follows: 1-LED lamp, 2-bridge rectifier, 3-half-wave rectifying circuit, 4-multiple tube, 5-human body sensing treatment circuit, 6-light-sensitive samples circuit, 7-sample circuit, 51-control process chip, 52-pyroelectric infrared transducer.
Embodiment
Below in conjunction with figure and embodiment the utility model is further elaborated:
Embodiment 1
The utility model comprises LED lamp 1, half-wave rectifying circuit 3, bridge rectifier 2, sample circuit 7, also comprise light-sensitive samples circuit 6 and human body sensing treatment circuit 5, the input that half-wave rectifying circuit 3 is connected with bridge rectifier connects alternating current, the input that light-sensitive samples circuit 6 is connected with the human body sensing treatment circuit all is connected with half-wave rectifying circuit 3 outputs, LED lamp 1 is connected with the output of bridge rectifier 2, the output of light-sensitive samples circuit 6 is connected with current-limiting resistance R27 one end, the current-limiting resistance R27 other end is connected with human body sensing treatment circuit 5RELAY output respectively at LED lamp 1, human body sensing treatment circuit 5 comprises control process chip 51, pyroelectric infrared transducer 52, the model of control process chip 51 is LP8072C, a multiple tube 4 that is comprised of two triodes is set between light-sensitive samples circuit 6 and the current-limiting resistance R27, the grounded emitter of multiple tube 4, collector electrode is connected input with current-limiting resistance R27 respectively and is connected with sample circuit, base stage connects the output of photosensitive employing circuit 6, sample circuit 7 output head groundings, a switch triode Q2 is set between sample circuit 7 outputs and the ground wire, the base stage of switch triode Q2 is connected with sample circuit 7 outputs, the grounded emitter of switch triode Q2, the collector electrode of switch triode Q2 is connected with control process chip 51RELAY output, be provided with an one-way SCR Q1 between current-limiting resistance R27 and the human body sensing treatment circuit 5, the anode of one-way SCR Q1 is connected with current-limiting resistance R27, the minus earth of one-way SCR Q1, the control utmost point of one-way SCR Q1 is connected with human body sensing treatment circuit 5RELAY output, be provided with a diode D6 between the control utmost point of one-way SCR Q1 and the human body sensing treatment circuit 5RELAY output, the anodic bonding human body sensing treatment circuit 5RELAY output of diode D6, the negative electrode of diode D6 connects one-way SCR Q1, the diode model is 1N4148, and the LED lamp is composed in parallel by 1 above LED.
The 220V civil power is introduced through protective tube F1, one the tunnel is divided into two the tunnel again after the D7 halfwave rectifier, one the tunnel after dropping resistor R4 and R4.1 step-down, again through C3, R2, the secondary filter circuit that C4 forms is by the backward IC power supply of D5 voltage stabilizing, another road direction photo resistance R17, R5 and C17 form the sample circuit power supply, another kind of through R1, after the capacitance-resistance voltage reduction circuit step-down that C1 forms, through D1, D2, after the bridge rectifier rectification that D3 D4 forms, through NTC resistance R 3 backward LED lamp statements based on collusion electricity, main filter capacitor C3 is connected in parallel on LED lamp string two ends, normal brightness switch element Q1 one-way SCR BT169 finally by two tunnel parallel connections, with the Q3 through serial connection current-limiting resistance R27, the glimmer switch circuit that the compound transistor utmost point that Q4 forms forms, form the loop, by pyroelectric infrared transducer PIR, circuit take rpyroelectric infrared control application-specific integrated circuit (ASIC) U1 as core, and relevant resistance and electric capacity composition detector control circuit, wherein PIR and R6, C8, C9 forms pyroelectric infrared transducer power supply and sample circuit, resistance R 8, C7 forms delay circuit, the length that the resistance of adjusting R8 just can adjustment work be prolonged; R9 and C6 form the time-base circuit of IC; C10, C11, C12, C13, C14, C15, R10, R11, R12, R14 and U1 mix proportion infrared probe signal processing circuit; The control signal of controller output drives Q1 work through 11 pin of U1 by R13, D6; R16, R18 and Q2 form the switching circuit of human body sensing output signal, and R16, R18 form sample circuit, and dim light circuit is in closed condition during daytime, sample circuit output high level, and the Q2 saturation conduction is closed the output of human body sensing output signal; Low-light is started working during night, the sample circuit output low level, and Q2 withdraws from conducting state and closes, and starts the output of human body sensing output signal, realizes light control functionality from face.
Main back production NTC(negative tempperature coefficient thermistor) on the major loop of R3 serial connection LED, be used for surge current suppression, use simultaneously the high-voltage electrolytic capacitor of a 10UF/250V to be attempted by light source led lamp string two ends, and then use an one-way SCR BT169 as the executive component of switch, because the output the during design of infrared induction application-specific integrated circuit only has two kinds of patterns: a kind of is to drive a bidirectional triode thyristor, another kind is to drive three utmost point control relays, because the triggering performance of one-way SCR and triode difference are very large, directly adopt the words of the drive that drives triode, just can not change into low level shutoff by high level with IC behind the BT169 controlled silicon conducting, taking to drive signal output part at the IC triode increases diode 1N4148 of serial connection, is used for raising the triggering level of BT169.
In a word, the above only is preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (10)
1. a band low-light LED human body sensing circuit for lamp comprises LED lamp (1), half-wave rectifying circuit (3), and bridge rectifier (2), sample circuit (7) is characterized in that, also comprises light-sensitive samples circuit (6) and human body sensing treatment circuit (5).
2. a kind of band low-light LED human body sensing circuit for lamp according to claim 1, it is characterized in that, described half-wave rectifying circuit (3) is connected 2 with bridge rectifier) input connect alternating current, light-sensitive samples circuit (6) is connected 5 with the human body sensing treatment circuit) input all be connected with half-wave rectifying circuit (3) output, LED lamp (1) is connected with the output of bridge rectifier (2), the output of light-sensitive samples circuit (6) is connected with current-limiting resistance R27 one end, and the current-limiting resistance R27 other end is connected 5 with LED lamp (1) with the human body sensing treatment circuit respectively) the RELAY output is connected.
3. a kind of band low-light LED human body sensing circuit for lamp according to claim 2 is characterized in that, described human body sensing treatment circuit (5) comprises control process chip (51), pyroelectric infrared transducer (52).
4. a kind of band low-light LED human body sensing circuit for lamp according to claim 3 is characterized in that the model of described control process chip (51) is LP8072C.
5. a kind of band low-light LED human body sensing circuit for lamp according to claim 2, it is characterized in that, a multiple tube that is comprised of two triodes (4) is set between described light-sensitive samples circuit (6) and the current-limiting resistance R27, the grounded emitter of multiple tube (4), collector electrode is connected 7 with current-limiting resistance R27 with sample circuit respectively) input is connected, base stage connects the output of photosensitive employing circuit (6), sample circuit (7) output head grounding.
6. a kind of band low-light LED human body sensing circuit for lamp according to claim 5, it is characterized in that, a switch triode Q2 is set between described sample circuit (7) output and the ground wire, the base stage of switch triode Q2 is connected with sample circuit (7) output, the grounded emitter of switch triode Q2, the collector electrode of switch triode Q2 is connected with control process chip (51) RELAY output.
7. a kind of band low-light LED human body sensing circuit for lamp according to claim 2, it is characterized in that, be provided with an one-way SCR Q1 between described current-limiting resistance R27 and the human body sensing treatment circuit (5), the anode of one-way SCR Q1 is connected with current-limiting resistance R27, the minus earth of one-way SCR Q1, the control utmost point of one-way SCR Q1 is connected with human body sensing treatment circuit (5) RELAY output.
8. a kind of band low-light LED human body sensing circuit for lamp according to claim 7, it is characterized in that, be provided with a diode D6 between the control utmost point of described one-way SCR Q1 and human body sensing treatment circuit (5) the RELAY output, anodic bonding human body sensing treatment circuit (5) the RELAY output of diode D6, the negative electrode of diode D6 connects one-way SCR Q1.
9. a kind of band low-light LED human body sensing circuit for lamp according to claim 8 is characterized in that described diode D6 model is 1N4148.
10. a kind of band low-light LED human body sensing circuit for lamp according to claim 1 is characterized in that described LED lamp is composed in parallel by 1 above LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203485922U CN202713726U (en) | 2012-07-18 | 2012-07-18 | LED (Light Emitting Diode) human body induction lamp circuit with shimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203485922U CN202713726U (en) | 2012-07-18 | 2012-07-18 | LED (Light Emitting Diode) human body induction lamp circuit with shimmer |
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| Publication Number | Publication Date |
|---|---|
| CN202713726U true CN202713726U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203485922U Expired - Fee Related CN202713726U (en) | 2012-07-18 | 2012-07-18 | LED (Light Emitting Diode) human body induction lamp circuit with shimmer |
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| CN (1) | CN202713726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735854A (en) * | 2013-12-24 | 2015-06-24 | 深圳市达特照明股份有限公司 | Anti-surge circuit and integrated circuit with same |
-
2012
- 2012-07-18 CN CN2012203485922U patent/CN202713726U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735854A (en) * | 2013-12-24 | 2015-06-24 | 深圳市达特照明股份有限公司 | Anti-surge circuit and integrated circuit with same |
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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: 20130130 Termination date: 20150718 |
|
| EXPY | Termination of patent right or utility model |