CN204014225U - A kind of indoor automatic switch lighting circuit with people's measuring ability - Google Patents
A kind of indoor automatic switch lighting circuit with people's measuring ability Download PDFInfo
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- CN204014225U CN204014225U CN201420500377.9U CN201420500377U CN204014225U CN 204014225 U CN204014225 U CN 204014225U CN 201420500377 U CN201420500377 U CN 201420500377U CN 204014225 U CN204014225 U CN 204014225U
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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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Abstract
The utility model relates to a kind of indoor automatic switch lighting circuit of the people's of having measuring ability, belong to lighting technical field, described lighting circuit comprises power circuit, power circuit is electrically connected with people and detects and control circuit, people detects with the output of control circuit and is electrically connected with lighting, power circuit is used for providing power supply, whether people detects with control circuit has people and automatically opens or close lighting according to testing result for detection of indoor, realization turns off the light when you leave, avoid the unnecessary wasting of resources, and long service life.
Description
Technical field
The utility model relates to a kind of lighting circuit, is applicable to room lighting, and the particularly illumination of classroom, workshop specifically, relates to a kind of indoor automatic switch lighting circuit of the people's of having measuring ability, belongs to lighting technical field.
Background technology
At present, room lighting adopts fluorescent lamp or electricity-saving lamp mostly, incandescent lamp is generally used in the middle of light modulation or light-operated equipment, the luminous flux of fluorescent lamp or two kinds of light fixtures of electricity-saving lamp, efficiency have all proved very high, so using in a large number, but the place that hangs up one's hat, works, learns for people such as the workshops of the classroom as school, factory, because personnel are more, often exist and forget the situation of turning off the light, cause waste of energy, and these occasions are in order to ensure working and learning of indoor occupant etc., need to ensure indoor peace and quiet, therefore be not suitable for using audio-switch.
Utility model content
Problem to be solved in the utility model is for above problem, a kind of indoor automatic switch lighting circuit of the people's of having measuring ability is provided, connect after lighting circuit power supply, in people's detection module sensing chamber of lighting circuit, whether there is people, when detect indoor nobody time, lighting extinguishes, and automatically realizes and turning off the light when you leave, avoid the waste of energy of turning off the light and causing because forgetting, and there is long service life.
For addressing the above problem, the technical scheme that the utility model adopts is: a kind of indoor automatic switch lighting circuit of the people's of having measuring ability, it is characterized in that: described lighting circuit comprises power circuit, power circuit is electrically connected with people and detects and control circuit, and people detects with the output of control circuit and is electrically connected with lighting;
Described power circuit is used for providing power supply;
Described people detects with control circuit for detection of the indoor switch that whether has people automatic-control illumination lamp tool;
Described people's testing circuit comprises pyroelectric infrared sensor PIR, triode Q3 and voltage comparator circuit, the signal end of pyroelectric infrared sensor PIR is connected with the base stage of triode Q3 through resistance R 10, the collector electrode of triode Q3 is connected with the positive power source terminal of pyroelectric infrared sensor PIR, the emitter of triode Q3 is connected with capacitor C 6, the negative pole of capacitor C 6 is connected with the earth terminal of pyroelectric infrared sensor PIR, the two ends of capacitor C 6 are parallel with resistance R 11, the emitter of triode Q3 is electrically connected with voltage comparator circuit, the output of voltage comparator circuit is electrically connected with microprocessor U2, the model of microprocessor U2 is ATmega8, the PD6 pin of microprocessor U2 is electrically connected with the output of voltage comparator circuit, the PB0 pin of microprocessor U2 is electrically connected with trigger U3, the model of trigger U3 is 74HC14, 1 pin of trigger U3 is connected with the PB0 pin of microprocessor U2, 4 pin of trigger U3 are electrically connected with field effect transistor Q2.
Adopt this technical scheme, whether described lighting circuit can have people in sensing chamber, and in the time of power connection, if indoor unmanned, lighting can be closed automatically, and realization turns off the light when you leave, and avoids causing and forgets that the situation of turning off the light occurs.
A kind of prioritization scheme, described voltage comparator circuit comprises potentiometer W2 and operational amplifier U4, the inverting input of operational amplifier U4 is connected with the positive pole of capacitor C 6, the in-phase input end of operational amplifier U4 is through resistance R 13 ground connection, the positive power source terminal of operational amplifier U4 is electrically connected with the positive power source terminal of pyroelectric infrared sensor PIR, the negative power end ground connection of operational amplifier U4, the output of operational amplifier U4 is electrically connected with microprocessor U2 through resistance R 14;
Described potentiometer W2 is in series with resistance R 12, and resistance R 12 is connected with resistance R 13, and potentiometer W2 is connected with the collector electrode of triode Q3.
Adopt this technical scheme, improved sensitivity and the stability of people's measuring ability, the lighting device that adopts the technical program is arranged in classroom and carries out verification experimental verification, through 500 verification experimental verifications, in unmanned situation, the number of times that lighting device is opened is automatically 0; After personnel leave, the number of times that 5 seconds interior lighting devices are closed automatically 500 times.
Another kind of prioritization scheme, is connected with resistance R 8 between the grid of described field effect transistor Q2 and 4 pin of trigger U3;
Between the source electrode of the grid of described field effect transistor Q2 and field effect transistor Q2, be connected with resistance R 9;
The drain electrode of described field effect transistor Q2 is connected with lighting.
Adopt this technical scheme, further improved the stability of lighting serviceability.
Another prioritization scheme, the output of described power circuit is electrically connected with voltage stabilizing circuit, and described voltage stabilizing circuit carries out exporting after voltage stabilizing for the power supply that power circuit is provided.
Adopt this technical scheme, effectively extended the useful life of lighting.
Through verification experimental verification, adopt to reach 300,000 hours the useful life of the lighting device of lighting circuit making of the present utility model, the life-span of lighting device that can automatic switch in prior art is at most between 50,000～100,000 hours, after adopting the technical solution of the utility model, greatly improve the useful life of lighting device, and effectively ensure to turn off the light when you leave, avoid causing the unnecessary wasting of resources.
The utility model is taked above technical scheme, have the following advantages: described lighting circuit comprises power circuit, power circuit is electrically connected with people and detects and control circuit, people detects with the output of control circuit and is electrically connected with lighting, whether have people's measuring ability, and have people automatically to open or close lighting according to indoor, realization turns off the light when you leave, avoid the unnecessary wasting of resources, and long service life.
Adopt the connected mode of lighting circuit in the utility model, simple in structure, stable performance, and easy to use, carry Switching Power Supply, can directly access 220V electric power system, can replace or new clothes former light fixture without change power supply, cost of manufacture is cheap, can make various shapes, is applied to various room lightings field.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Brief description of the drawings
Accompanying drawing 1 is the theory diagram of lighting circuit in the utility model embodiment;
Accompanying drawing 2 is that in the utility model embodiment, people detects and the electrical schematic diagram of control circuit.
Embodiment
Embodiment 1, as shown in Figure 1, a kind of indoor automatic switch lighting circuit with people's measuring ability, comprise power circuit, people's detection and control circuit and the lighting of electrical connection, described power circuit is used for providing power supply, described people's detection is with control circuit for detection of the indoor switch that whether has people automatic-control illumination lamp tool, and the output of described power circuit is electrically connected with voltage stabilizing circuit, and described voltage stabilizing circuit carries out exporting after voltage stabilizing for the power supply that power circuit is provided.
Described people detects with control circuit and comprises people's testing circuit and control circuit, described people's testing circuit comprises pyroelectric infrared sensor PIR, triode Q3 and voltage comparator circuit, the earth terminal ground connection of described pyroelectric infrared sensor PIR, the signal end of pyroelectric infrared sensor PIR is connected with the base stage of triode Q3 through resistance R 10, the collector electrode of triode Q3 is connected with the positive power source terminal of pyroelectric infrared sensor PIR, the emitter of triode Q3 is connected with capacitor C 6, the negative pole of capacitor C 6 is connected with the earth terminal of pyroelectric infrared sensor PIR, the two ends of capacitor C 6 are parallel with resistance R 11.
The emitter of described triode Q3 is electrically connected with voltage comparator circuit, described voltage comparator circuit comprises potentiometer W2 and operational amplifier U4, the model of described operational amplifier U4 is LM358, operational amplifier U4 inverting input is connected with the positive pole of capacitor C 6, the in-phase input end of operational amplifier U4 is through resistance R 13 ground connection, described potentiometer W2 is in series with resistance R 12, resistance R 12 is connected with resistance R 13, potentiometer W2 is connected with the collector electrode of triode Q3, the positive power source terminal of described operational amplifier U4 is electrically connected with the positive power source terminal of pyroelectric infrared sensor PIR, the negative power end ground connection of operational amplifier U4, the output of operational amplifier U4 is electrically connected with control circuit through resistance R 14.
Pyroelectric infrared sensor PIR receives human body infrared information, when indoor while having people movable, pyroelectric infrared sensor PIR exports high level signal, through resistance R 10, triode Q3 conducting is charged to capacitor C 6, because of charge constant little, so moment is filled to obtain the high level of about 4.3V, be transported to the inverting input of operational amplifier U4, nobody time pyroelectric infrared sensor PIR output low level, triode Q3 is obstructed, capacitor C 6 is discharged to 0V through resistance R 11, potentiometer W2, resistance R 12, resistance R 13 and operational amplifier U4 composition voltage comparator, the in-phase input end of operational amplifier U4 is reference voltage, compare with the voltage of operational amplifier U4 inverting input, if the voltage of operational amplifier U4 inverting input is greater than the voltage of operational amplifier U4 in-phase input end, represent the indoor people that has, voltage comparator output low level, if the voltage of the voltage less-than operation amplifier U4 in-phase input end of operational amplifier U4 inverting input, represent indoor unmanned, voltage comparator output high level, after interior illuminator is lighted, if can't detect within a certain period of time people, electric charge in capacitor C 6 not cracked ends R11 is slowly released and be can not get supplementing, when voltage drops to below reference level, voltage comparator output high level, lighting automatic distinguishing, accomplish to turn off the light when you leave, the length of timing is by capacitor C 6, resistance R 11 and reference voltage determine, after capacitor C 6 and resistance R 11 is fixing, time is regulated by potentiometer W2.
Described control circuit comprises microprocessor U2, trigger U3 and field effect transistor Q2, and the model of microprocessor U2 is ATmega8, and the model of trigger U3 is 74HC14.
The PC0 pin of described microprocessor U2 is electrically connected with the output of people's testing circuit, and the GND pin of microprocessor U2 is through capacitor C 5 ground connection, and the VCC pin of microprocessor U2 is electrically connected with power circuit, the PB0 pin contact hair device U3 of microprocessor U2.
The pin one of described trigger U3 is connected with the PB0 pin of microprocessor U2, the pin 7 of trigger U3 is through capacitor C 5 ground connection, the pin one 4 of trigger U3 is electrically connected with power circuit, the pin 4 of trigger U3 is connected with the grid of field effect transistor Q2 through resistance R 8, between the source electrode of the grid of field effect transistor Q2 and field effect transistor Q2, be connected with resistance R 9, the drain electrode of field effect transistor Q2 is connected with one end of lighting, the other end of lighting is electrically connected with voltage stabilizing circuit, described lighting can adopt fluorescent lamp or incandescent lamp or LED lamp, in the present embodiment, described lighting is in series by several LED lamps.
Adopt indoor lighting circuit make-up room interior lighting device in the present embodiment, the cost of manufacture of its cost of manufacture and existing fluorescent lamp is suitable, but illuminating effect is significantly better than the illuminating effect of fluorescent lamp, can whether someone opens or closes lighting according to indoor, realization turns off the light when you leave, and avoids the unnecessary wasting of resources.
Power circuit and voltage stabilizing circuit described in the utility model embodiment all can adopt power circuit well known in the prior art and voltage stabilizing circuit, therefore repeat no more in the present embodiment.
The microprocessor U2 adopting in the present embodiment and trigger U3 are only for realizing the intrinsic function of components and parts itself.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. an indoor automatic switch lighting circuit with people's measuring ability, is characterized in that: described lighting circuit comprises power circuit, and power circuit is electrically connected with people and detects and control circuit, and people detects with the output of control circuit and is electrically connected with lighting;
Described power circuit is used for providing power supply;
Described people detects with control circuit for detection of the indoor switch that whether has people automatic-control illumination lamp tool;
Described people's testing circuit comprises pyroelectric infrared sensor PIR, triode Q3 and voltage comparator circuit, the signal end of pyroelectric infrared sensor PIR is connected with the base stage of triode Q3 through resistance R 10, the collector electrode of triode Q3 is connected with the positive power source terminal of pyroelectric infrared sensor PIR, the emitter of triode Q3 is connected with capacitor C 6, the negative pole of capacitor C 6 is connected with the earth terminal of pyroelectric infrared sensor PIR, the two ends of capacitor C 6 are parallel with resistance R 11, the emitter of triode Q3 is electrically connected with voltage comparator circuit, the output of voltage comparator circuit is electrically connected with microprocessor U2, the model of microprocessor U2 is ATmega8, the PD6 pin of microprocessor U2 is electrically connected with the output of voltage comparator circuit, the PB0 pin of microprocessor U2 is electrically connected with trigger U3, the model of trigger U3 is 74HC14, 1 pin of trigger U3 is connected with the PB0 pin of microprocessor U2, 4 pin of trigger U3 are electrically connected with field effect transistor Q2.
2. a kind of indoor automatic switch lighting circuit with people's measuring ability as claimed in claim 1, it is characterized in that: described voltage comparator circuit comprises potentiometer W2 and operational amplifier U4, the inverting input of operational amplifier U4 is connected with the positive pole of capacitor C 6, the in-phase input end of operational amplifier U4 is through resistance R 13 ground connection, the positive power source terminal of operational amplifier U4 is electrically connected with the positive power source terminal of pyroelectric infrared sensor PIR, the negative power end ground connection of operational amplifier U4, the output of operational amplifier U4 is electrically connected with microprocessor U2 through resistance R 14;
Described potentiometer W2 is in series with resistance R 12, and resistance R 12 is connected with resistance R 13, and potentiometer W2 is connected with the collector electrode of triode Q3.
3. a kind of indoor automatic switch lighting circuit with people's measuring ability as claimed in claim 1 or 2, is characterized in that: between the grid of described field effect transistor Q2 and 4 pin of trigger U3, be connected with resistance R 8;
Between the source electrode of the grid of described field effect transistor Q2 and field effect transistor Q2, be connected with resistance R 9;
The drain electrode of described field effect transistor Q2 is connected with lighting.
4. a kind of indoor automatic switch lighting circuit with people's measuring ability as claimed in claim 1, it is characterized in that: the output of described power circuit is electrically connected with voltage stabilizing circuit, described voltage stabilizing circuit carries out exporting after voltage stabilizing for the power supply that power circuit is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500377.9U CN204014225U (en) | 2014-09-02 | 2014-09-02 | A kind of indoor automatic switch lighting circuit with people's measuring ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500377.9U CN204014225U (en) | 2014-09-02 | 2014-09-02 | A kind of indoor automatic switch lighting circuit with people's measuring ability |
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| Publication Number | Publication Date |
|---|---|
| CN204014225U true CN204014225U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420500377.9U Expired - Fee Related CN204014225U (en) | 2014-09-02 | 2014-09-02 | A kind of indoor automatic switch lighting circuit with people's measuring ability |
Country Status (1)
| Country | Link |
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| CN (1) | CN204014225U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107708268A (en) * | 2017-11-23 | 2018-02-16 | 彭家雄 | Room lighting power supply smart control system |
| CN109116779A (en) * | 2018-08-27 | 2019-01-01 | 苏州矽典微智能科技有限公司 | A kind of automatic switch controller and method of electrical equipment |
| CN109900365A (en) * | 2019-03-13 | 2019-06-18 | 深圳通感微电子有限公司 | Method and infrared detection device existing for a kind of judgement human body |
-
2014
- 2014-09-02 CN CN201420500377.9U patent/CN204014225U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107708268A (en) * | 2017-11-23 | 2018-02-16 | 彭家雄 | Room lighting power supply smart control system |
| CN107708268B (en) * | 2017-11-23 | 2024-03-15 | 彭家雄 | Intelligent control system for indoor illumination power supply |
| CN109116779A (en) * | 2018-08-27 | 2019-01-01 | 苏州矽典微智能科技有限公司 | A kind of automatic switch controller and method of electrical equipment |
| CN109900365A (en) * | 2019-03-13 | 2019-06-18 | 深圳通感微电子有限公司 | Method and infrared detection device existing for a kind of judgement human body |
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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: 20141210 Termination date: 20150902 |
|
| EXPY | Termination of patent right or utility model |