CN204157115U - A kind of pyroelectric infrared-sensing automatic lighting circuit - Google Patents
A kind of pyroelectric infrared-sensing automatic lighting circuit Download PDFInfo
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- CN204157115U CN204157115U CN201420556649.7U CN201420556649U CN204157115U CN 204157115 U CN204157115 U CN 204157115U CN 201420556649 U CN201420556649 U CN 201420556649U CN 204157115 U CN204157115 U CN 204157115U
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- pyroelectric infrared
- infrared sensor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of pyroelectric infrared-sensing automatic lighting circuit, comprise the first resistance, the second resistance, the 3rd resistance, the 4th resistance, switch, rectifier, thyristor, load bulb, diode, voltage stabilizing didoe, triode and pyroelectric infrared sensor.The utility model can be applicable to the occasion such as aisle or stair of dark on daytime, enter in the investigative range of pyroelectric infrared sensor when there being people, load bulb is lighted automatically, when people leaves the investigative range of pyroelectric infrared sensor, load bulb automatic distinguishing over time, if people is continuously active in the investigative range of pyroelectric infrared sensor, then load lamp gun commander is bright does not put out, and have highly sensitive, stable work in work and feature low in energy consumption, simultaneously, circuit structure of the present utility model is simple, components and parts used are few, reduce cost of manufacture, there is the value promoted and use.
Description
Technical field
The utility model relates to a kind of illumination control circuit, particularly relates to a kind of pyroelectric infrared-sensing automatic lighting circuit.
Background technology
Along with the development of science and technology, especially the various product of electron trade is tending towards intelligent and hommization all gradually, in electrical lighting industry, acoustic-control illuminating, sound light-operated lighting and pyroelectric infrared-sensing illumination are universal in the life of people, wherein, pyroelectric infrared-sensing illumination is widely used in lavatory, corridor, the place that stair etc. have personnel to walk about, when there being personnel in the investigative range of pyroelectric infrared sensor, its illuminating lamp controlled is lighted immediately, after personnel leave the investigative range of pyroelectric infrared sensor, illuminating lamp can automatic distinguishing over time, by carrying out the switch of control circuit to the induction of human body, energy-conserving action can be played, and there is use value widely.But the most circuit structure of existing pyroelectric infrared-sensing lighting circuit is complicated, and cost of manufacture is high, is unfavorable for popularizing.
Utility model content
The purpose of this utility model is just to provide a kind of pyroelectric infrared-sensing automatic lighting circuit to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises the first resistance, second resistance, 3rd resistance, 4th resistance, switch, rectifier, thyristor, load bulb, diode, voltage stabilizing didoe, triode and pyroelectric infrared sensor, first ac input end of described rectifier is connected with the zero line of AC power, second ac input end of described rectifier is connected with the first end of described switch, second end of described switch is connected with the live wire of described AC power, the cathode output end of described rectifier is connected with the first end of described first resistance and the first end of described load bulb simultaneously, the cathode output end of described rectifier simultaneously with the negative pole of described thyristor, the negative pole of described pyroelectric infrared sensor, the first end of described electric capacity is connected with the positive pole of described voltage stabilizing didoe, second end of described load bulb is connected with the positive pole of described thyristor, the control end of described thyristor is connected with the first end of described second resistance, second end of described second resistance is connected with the collector electrode of described triode, the emitter of described triode simultaneously with the negative pole of described diode, the negative pole of described voltage stabilizing didoe, the positive pole of described pyroelectric infrared sensor is connected with the second end of described electric capacity, the base stage of described triode is connected with the first end of described 4th resistance and the first end of described 3rd resistance simultaneously, second end of described 3rd resistance is connected with the second end of described first resistance and the positive pole of described diode simultaneously, second end of described 4th resistance is connected with the output of described pyroelectric infrared sensor.
Particularly, described pyroelectric infrared sensor is the pyroelectric infrared sensor of model RPD-18.
The beneficial effects of the utility model are:
The utility model can be applicable to the occasion such as aisle or stair of dark on daytime, enter in the investigative range of pyroelectric infrared sensor when there being people, load bulb is lighted automatically, when people leaves the investigative range of pyroelectric infrared sensor, load bulb automatic distinguishing over time, if people is continuously active in the investigative range of pyroelectric infrared sensor, then load lamp gun commander is bright does not put out, and have highly sensitive, stable work in work and feature low in energy consumption, simultaneously, circuit structure of the present utility model is simple, components and parts used are few, reduce cost of manufacture, there is the value promoted and use.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises the first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, switch S, rectifier Q, thyristor SCR, load bulb H, diode D, voltage stabilizing didoe ZD, triode VT and pyroelectric infrared sensor RD, first ac input end of rectifier Q is connected with the zero line of AC power, second ac input end of rectifier Q is connected with the first end of switch S, second end of switch S is connected with the live wire of AC power, the cathode output end of rectifier Q is connected with the first end of the first resistance R1 and the first end of load bulb H simultaneously, the cathode output end of rectifier Q simultaneously with the negative pole of thyristor SCR, the negative pole of pyroelectric infrared sensor RD, the first end of electric capacity C is connected with the positive pole of voltage stabilizing didoe ZD, second end of load bulb H is connected with the positive pole of thyristor SCR, the control end of thyristor SCR is connected with the first end of the second resistance R2, second end of the second resistance R2 is connected with the collector electrode of triode VT, the emitter of triode VT simultaneously with the negative pole of diode D, the negative pole of voltage stabilizing didoe ZD, the positive pole of pyroelectric infrared sensor RD is connected with second end of electric capacity C, the base stage of triode VT is connected with the first end of the 4th resistance R4 and the first end of the 3rd resistance R3 simultaneously, second end of the 3rd resistance R3 is connected with second end of the first resistance R1 and the positive pole of diode D simultaneously, second end of the 4th resistance R4 is connected with the output of pyroelectric infrared sensor RD, pyroelectric infrared sensor RD is the pyroelectric infrared sensor of model RPD-18.
Operation principle of the present utility model is as follows:
As shown in Figure 1: in the utility model, AC power is after rectifier Q rectification, DC low-voltage is exported again through the first resistance R1 step-down, voltage stabilizing didoe ZD voltage stabilizing and electric capacity C filtering, this DC low-voltage is that pyroelectric infrared sensor RD powers, when there being people to enter the investigative range of pyroelectric infrared sensor RD, its output exports drop-down filling electric current, triode VT conducting, thyristor SCR obtains forward trigger current and conducting, and load bulb H lights; Very important person's continuously active in the investigative range of pyroelectric infrared sensor, load bulb H president is bright not to put out, after people leaves away, automatic distinguishing after load bulb H postpones a period of time; The utility model can all weather operations, needs the occasion uses such as the aisle of turning on light or stair suitable especially daytime.
Component parameter of the present utility model is selected as follows:
The diode that the thyristor that first resistance R1 is 100 Ω, the second resistance R2 is 400 Ω, the 3rd resistance R3 is 500 Ω, the 4th resistance R4 is 2k Ω, switch S is single knife switch, rectifier Q is 12V, thyristor SCR is model MCR100-6, load bulb H are 3W, diode D is model IN4001, voltage stabilizing didoe ZD are 6V, triode VT is PNP type triode, pyroelectric infrared sensor RD is the pyroelectric infrared sensor of model D204B.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a pyroelectric infrared-sensing automatic lighting circuit, it is characterized in that: comprise the first resistance, second resistance, 3rd resistance, 4th resistance, switch, rectifier, thyristor, load bulb, diode, voltage stabilizing didoe, triode and pyroelectric infrared sensor, first ac input end of described rectifier is connected with the zero line of AC power, second ac input end of described rectifier is connected with the first end of described switch, second end of described switch is connected with the live wire of described AC power, the cathode output end of described rectifier is connected with the first end of described first resistance and the first end of described load bulb simultaneously, the cathode output end of described rectifier simultaneously with the negative pole of described thyristor, the negative pole of described pyroelectric infrared sensor, the first end of electric capacity is connected with the positive pole of described voltage stabilizing didoe, second end of described load bulb is connected with the positive pole of described thyristor, the control end of described thyristor is connected with the first end of described second resistance, second end of described second resistance is connected with the collector electrode of described triode, the emitter of described triode simultaneously with the negative pole of described diode, the negative pole of described voltage stabilizing didoe, the positive pole of described pyroelectric infrared sensor is connected with the second end of described electric capacity, the base stage of described triode is connected with the first end of described 4th resistance and the first end of described 3rd resistance simultaneously, second end of described 3rd resistance is connected with the second end of described first resistance and the positive pole of described diode simultaneously, second end of described 4th resistance is connected with the output of described pyroelectric infrared sensor.
2. a kind of pyroelectric infrared-sensing automatic lighting circuit according to claim 1, is characterized in that: described pyroelectric infrared sensor is the pyroelectric infrared sensor of model RPD-18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420556649.7U CN204157115U (en) | 2014-09-26 | 2014-09-26 | A kind of pyroelectric infrared-sensing automatic lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420556649.7U CN204157115U (en) | 2014-09-26 | 2014-09-26 | A kind of pyroelectric infrared-sensing automatic lighting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204157115U true CN204157115U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420556649.7U Expired - Fee Related CN204157115U (en) | 2014-09-26 | 2014-09-26 | A kind of pyroelectric infrared-sensing automatic lighting circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN204157115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163467A (en) * | 2015-10-20 | 2015-12-16 | 湖南金化科技集团有限公司 | Public restroom illuminating lamp acousto-optic control switch circuit |
-
2014
- 2014-09-26 CN CN201420556649.7U patent/CN204157115U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163467A (en) * | 2015-10-20 | 2015-12-16 | 湖南金化科技集团有限公司 | Public restroom illuminating lamp acousto-optic control switch circuit |
| CN105163467B (en) * | 2015-10-20 | 2018-02-09 | 湖南金化科技集团有限公司 | A kind of public lavatory illuminating lamp sonic-opticalcon trolled switch 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: 20150211 Termination date: 20150926 |
|
| EXPY | Termination of patent right or utility model |