CN204090206U - A kind of desk lamp automatic brightness-regulating system - Google Patents
A kind of desk lamp automatic brightness-regulating system Download PDFInfo
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- CN204090206U CN204090206U CN201420275383.9U CN201420275383U CN204090206U CN 204090206 U CN204090206 U CN 204090206U CN 201420275383 U CN201420275383 U CN 201420275383U CN 204090206 U CN204090206 U CN 204090206U
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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 discloses a kind of desk lamp automatic brightness-regulating system, it comprises rpyroelectric infrared module, illumination sensing circuit, mode switch circuit, single-chip microcomputer, light driving circuit, buzzer alarm circuit and power circuit, described rpyroelectric infrared module, illumination sensing circuit, mode switch circuit, light driving circuit are connected with single-chip microcomputer respectively with buzzer alarm circuit, and described power circuit is other each module for power supply.Rpyroelectric infrared module can detect in illumination range whether have people, and when brightness is inadequate, and when having people nearby, desk lamp just can be opened automatically; When unmanned time, system also can warning reminding be closed, if after warning duration acquires a certain degree, desk lamp automatic distinguishing, reaches the object of saving the energy.
Description
Technical field
The utility model relates to electrical equipment sensing control field, especially relates to a kind of desk lamp automatic brightness-regulating system.
Background technology
Desk lamp has been the necessity in our daily life, now these are several for the incandescent lamp, fluorescent lamp, electricity-saving lamp and the spiral energy-saving lamp that mainly adopt of desk lamp commercially, and can not automatic switch, if our words when night time, sometimes also to feel about in the dark and find the switch of desk lamp, on using, also have much not humane place.In the past few years the eyesight of people is also worse and worse; especially in student, the people of myopia is also more and more; this very large one side is also because we are in the process of study; do not note the eyes protecting oneself; that lies prone is low especially; incorrect eye custom causes the decline of eyesight, certainly causes the reason of visual impairment to also have one to be exactly that light is too dark.Traditional desk lamp also has a shortcoming to waste electric energy exactly.We often may forget and turn off the light, or lie prone in the process of study and to fall asleep on desk, have forgotten to turn off the light, thus have caused the waste of resource.
State Intellectual Property Office of the People's Republic of China disclosed on 04 04th, 2012 the patent documentation that application publication number is CN102404923A, title is the desk lamp that brightness controls automatically, and it is made up of 220V AC power, photosensitive circuit, rc phase shifter circuit and load control circuit.The desk lamp of this scheme can adjust the brightness of desk lamp automatically according to the power of surrounding environment light, but when people leaves desk lamp time, cannot automatically close, waste electric energy.
Summary of the invention
The utility model mainly solves cannot automatically close the technical problem that desk lamp causes energy waste existing for prior art after people leaves, whether provide one to detect has people at desk lamp illumination range, enter when there being people and brightness is inadequate time automatically open, nobody time the desk lamp automatic brightness-regulating system of automatically closing.
The utility model is mainly solved by following technical proposals for above-mentioned technical problem: a kind of desk lamp automatic brightness-regulating system, comprise rpyroelectric infrared module, illumination sensing circuit, mode switch circuit, single-chip microcomputer, light driving circuit, buzzer alarm circuit and power circuit, described rpyroelectric infrared module, illumination sensing circuit, mode switch circuit, light driving circuit are connected with single-chip microcomputer respectively with buzzer alarm circuit, and described power circuit is other each module for power supply.
As preferably, described power circuit comprises transformer TR1, rectifier BR1, electric capacity C9, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, pressurizer U4 and pressurizer U6; The input of described transformer TR1 connects civil power, and output connects the input of rectifier BR1; The output head anode of rectifier BR1 connects the input of pressurizer U4, and negative pole of output end is as system earth end; Electric capacity C9 and electric capacity C11 are the inputs that one end is connected pressurizer U4, other end ground connection; The earth terminal ground connection of pressurizer U4, output is as the 12V output of power circuit; Electric capacity C12 one end connects the output of pressurizer U4, other end ground connection; The input of pressurizer U6 connects the output of pressurizer U4, earth terminal ground connection, and the output of pressurizer U6 is as the 5V output of power circuit; Electric capacity C13 one end connects the input of pressurizer U6, other end ground connection; Electric capacity C14 one end connects the output of pressurizer U6, other end ground connection.
As preferably, it is characterized in that, described single-chip microcomputer is ATMEGA16.
As preferably, described illumination sensing circuit comprises photo resistance R3 and resistance R2, and the first end of described photo resistance R3 connects power supply VCC by resistance R2, the second end ground connection; The first end of photo resistance is also connected with single-chip microcomputer PA0 interface.
As preferably, described buzzer alarm circuit comprises resistance R4, triode Q1 and buzzer LS1, and the first end of described buzzer connects power supply VCC, the collector electrode of the second end connecting triode Q1; The grounded emitter of triode Q1, base stage connects the PB1 interface of single-chip microcomputer by resistance R4.
As preferably, described rpyroelectric infrared module comprises photo resistance R16, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, triode Q2, single-pole double-throw switch (SPDT) SW1, pyroelectric infrared sensor U5 and transducing signal process chip U3, and described transducing signal process chip is BISS0001; The V+ end of described pyroelectric infrared sensor U5 connects power supply VCC, and GND holds ground connection, and output connects 14 pin of transducing signal process chip U3; Described resistance R5 one end connects the output of pyroelectric infrared sensor U5, other end ground connection, and described electric capacity C2 is in parallel with resistance R5; Described resistance R6 one end connects power supply VCC, and the other end connects 9 pin of transducing signal process chip U3; 9 pin of transducing signal process chip U3 are also by photo resistance R16 ground connection; 10 pin of transducing signal process chip U3 are by resistance R7 ground connection, and 11 pin are connected power supply VCC with 8 pin, and be connected 16 pin by resistance R9, the resistance R8 connected successively with electric capacity C4, electric capacity C3 is in parallel with resistance R9; Electric capacity C5 is connected across between 15 pin of transducing signal process chip U3 and 16 pin, and resistance R10 is in parallel with electric capacity C5; 15 pin of transducing signal process chip U3 are also by resistance R11 and the electric capacity C6 ground connection of series connection; The 7 pin ground connection of transducing signal process chip U3; Resistance R12 is connected across between 6 pin of transducing signal process chip U3 and 5 pin, and 5 pin are also by electric capacity C7 ground connection; Resistance R13 is connected across between 4 pin of transducing signal process chip U3 and 3 pin, and 4 pin are also by electric capacity C8 ground connection; 1 pin of transducing signal process chip U3 connects the fixed contact of single-pole double-throw switch (SPDT) SW1, and first moving contact of single-pole double-throw switch (SPDT) SW1 connects power supply VCC, the second moving contact ground connection; 2 pin of transducing signal process chip U3 are by resistance R14 connecting triode Q2 base stage; The collector electrode of triode Q2 connects power supply VCC by resistance R15, and collector electrode also connects the PB port of single-chip microcomputer; The transmitter ground connection of triode Q2.
The beneficial effect that the utility model brings is, when the brightness in room is inadequate, and when having people nearby, desk lamp just can be opened automatically, for we eliminate in dark the trouble of removing to touch switch; When unmanned time, system also can warning reminding be closed, if after warning duration acquires a certain degree, desk lamp automatic distinguishing, reaches the object of saving the energy.
Accompanying drawing explanation
Fig. 1 is a kind of structured flowchart of the present utility model;
Fig. 2 is a kind of power circuit diagram of the present utility model;
Fig. 3 is a kind of single-chip microcomputer of the present utility model and illumination sensing circuit figure;
Fig. 4 is a kind of buzzer alarm circuit figure of the present utility model;
Fig. 5 is a kind of rpyroelectric infrared module circuit diagram of the present utility model;
Fig. 6 is a kind of light driving circuit figure of the present utility model;
In figure: 1, rpyroelectric infrared module, 2, illumination sensing circuit, 3, mode switch circuit, 4, single-chip microcomputer, 5, light driving circuit, 6, buzzer alarm circuit, 7, power circuit.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of desk lamp automatic brightness-regulating system of the present embodiment, as shown in Figure 1, comprise rpyroelectric infrared module 1, illumination sensing circuit 2, mode switch circuit 3, single-chip microcomputer 4, light driving circuit 5, buzzer alarm circuit 6 and power circuit 7, described rpyroelectric infrared module, illumination sensing circuit, mode switch circuit, light driving circuit are connected with single-chip microcomputer respectively with buzzer alarm circuit, and described power circuit is other each module for power supply.
Power circuit as shown in Figure 2, comprises transformer TR1, rectifier BR1, electric capacity C9, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, pressurizer U4 and pressurizer U6; The input of described transformer TR1 connects civil power, and output connects the input of rectifier BR1; The output head anode of rectifier BR1 connects the input of pressurizer U4, and negative pole of output end is as system earth end; Electric capacity C9 and electric capacity C11 are the inputs that one end is connected pressurizer U4, other end ground connection; The earth terminal ground connection of pressurizer U4, output is as the 12V output of power circuit; Electric capacity C12 one end connects the output of pressurizer U4, other end ground connection; The input of pressurizer U6 connects the output of pressurizer U4, earth terminal ground connection, and the output of pressurizer U6 is as the 5V output of power circuit; Electric capacity C13 one end connects the input of pressurizer U6, other end ground connection; Electric capacity C14 one end connects the output of pressurizer U6, other end ground connection.
220V AC power is transformed to the alternating current of 15V after transformer transformation.Filtering is carried out by electrochemical capacitor C1 after bridge rectifier.The electric capacity C2 of 330 μ F in parallel again after filtering, access the input of 7812 pressurizers afterwards again, export after the small capacitances C3 of the output of a 7812 0.1 μ F in parallel, and meet the electric capacity C4 of 330 μ F, access the input of 7805 pressurizers, also and meet the small capacitances C5 of a 0.1 μ F, now output voltage just has+12V and+5V to 7805 outputs, is circuit with stable voltage.
Single-chip microcomputer and illumination sensing circuit figure are as shown in Figure 3.Single-chip microcomputer is ATMEGA16.Illumination sensing circuit comprises photo resistance R3 and resistance R2, and the first end of described photo resistance R3 connects power supply VCC by resistance R2, the second end ground connection; The first end of photo resistance is also connected with single-chip microcomputer PA0 interface.Photo resistance R3 by changing the resistance of oneself to the power of current environment light, thus can change the voltage of PA0 mouth, reaches and controls the bright dark effect of LED.If want the sensitivity changing photo resistance R3, the resistance size that can adjust R2 regulates.Button switch K 1 in figure can allow monolithic processor resetting.Single-pole double-throw switch (SPDT) K2 is mode switch circuit, for being the different mode of operation of Systematic selection.
Buzzer alarm circuit as shown in Figure 4, comprises resistance R4, triode Q1 and buzzer LS1, and the first end of described buzzer connects power supply VCC, the collector electrode of the second end connecting triode Q1; The grounded emitter of triode Q1, base stage connects the PB1 interface of single-chip microcomputer by resistance R4.When in detection range long-time nobody time, warning circuit is reported to the police, reminding user powered-down.Single-chip microcomputer PB1 mouth connects buzzer through resistance and triode, and the triode ON when exporting high level, gives the alarm.If during output low level, triode not conducting is not then pointed out.
Rpyroelectric infrared module as shown in Figure 5, comprise photo resistance R16, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, triode Q2, single-pole double-throw switch (SPDT) SW1, pyroelectric infrared sensor U5 and transducing signal process chip U3, described transducing signal process chip is BISS0001; The V+ end of described pyroelectric infrared sensor U5 connects power supply VCC, and GND holds ground connection, and output connects 14 pin of transducing signal process chip U3; Described resistance R5 one end connects the output of pyroelectric infrared sensor U5, other end ground connection, and described electric capacity C2 is in parallel with resistance R5; Described resistance R6 one end connects power supply VCC, and the other end connects 9 pin of transducing signal process chip U3; 9 pin of transducing signal process chip U3 are also by photo resistance R16 ground connection; 10 pin of transducing signal process chip U3 are by resistance R7 ground connection, and 11 pin are connected power supply VCC with 8 pin, and be connected 16 pin by resistance R9, the resistance R8 connected successively with electric capacity C4, electric capacity C3 is in parallel with resistance R9; Electric capacity C5 is connected across between 15 pin of transducing signal process chip U3 and 16 pin, and resistance R10 is in parallel with electric capacity C5; 15 pin of transducing signal process chip U3 are also by resistance R11 and the electric capacity C6 ground connection of series connection; The 7 pin ground connection of transducing signal process chip U3; Resistance R12 is connected across between 6 pin of transducing signal process chip U3 and 5 pin, and 5 pin are also by electric capacity C7 ground connection; Resistance R13 is connected across between 4 pin of transducing signal process chip U3 and 3 pin, and 4 pin are also by electric capacity C8 ground connection; 1 pin of transducing signal process chip U3 connects the fixed contact of single-pole double-throw switch (SPDT) SW1, and first moving contact of single-pole double-throw switch (SPDT) SW1 connects power supply VCC, the second moving contact ground connection; 2 pin of transducing signal process chip U3 are by resistance R14 connecting triode Q2 base stage; The collector electrode of triode Q2 connects power supply VCC by resistance R15, and collector electrode also connects the PB port of single-chip microcomputer; The transmitter ground connection of triode Q2.
Red pyroelectric infrared sensor, only to human body radiation Infrared wavelength, is approximately the sensitive for infrared radiation of about 10 μm, so other objects except human body can not trigger pyroelectric infrared sensor.As long as human body enters in search coverage, human infrared radiation is by part mirror focusing, and by pyroelectricity, unit receives, and at this moment the first heat received of two panels pyroelectricity is just not identical, and pyroelectricity is also different, so just can output signal be detected.BISS0001 is a transducing signal process integrated circuit with superior performance.When extraneous light intensity is stronger, photo resistance resistance is very little, and at this moment BISS0001 just can detect low level, thus 14 pin of biss0001 can be closed, and the signal of transducer infare1 can be prohibited.When extraneous light intensity is more weak, photo resistance resistance is very large, and BISS0001 detects low level, is opened after 14 pins of BISS0001; When infare1 detects human body signal, just can produce faint signal and export, after signal amplification circuit filter and delay circuit, signal outputs to single-chip microcomputer.Pyroelectric infrared sensor front is provided with Fresnel Lenses, and Fresnel Lenses make use of the special optical principle of lens, and side produces " blind area " and " highly sensitive district " alternately changed before the detectors, can improve its detection receiving sensitivity.Out-of-date when there being people to walk before lens, the infrared ray that human body sends just constantly alternately enters in " highly sensitive district " from " blind area ", so just allows the infrared signal received with the input of dynamic impulse form, thus enhances its energy amplitude.
Light driving circuit as shown in Figure 6.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the term such as pyroelectric infrared sensor, photo resistance herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. a desk lamp automatic brightness-regulating system, it is characterized in that, comprise rpyroelectric infrared module, illumination sensing circuit, mode switch circuit, single-chip microcomputer, light driving circuit, buzzer alarm circuit and power circuit, described rpyroelectric infrared module, illumination sensing circuit, mode switch circuit, light driving circuit are connected with single-chip microcomputer respectively with buzzer alarm circuit, and described power circuit is other each module for power supply.
2. a kind of desk lamp automatic brightness-regulating system according to claim 1, is characterized in that, described power circuit comprises transformer TR1, rectifier BR1, electric capacity C9, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, pressurizer U4 and pressurizer U6; The input of described transformer TR1 connects civil power, and output connects the input of rectifier BR1; The output head anode of rectifier BR1 connects the input of pressurizer U4, and negative pole of output end is as system earth end; Electric capacity C9 and electric capacity C11 are the inputs that one end is connected pressurizer U4, other end ground connection; The earth terminal ground connection of pressurizer U4, output is as the 12V output of power circuit; Electric capacity C12 one end connects the output of pressurizer U4, other end ground connection; The input of pressurizer U6 connects the output of pressurizer U4, earth terminal ground connection, and the output of pressurizer U6 is as the 5V output of power circuit; Electric capacity C13 one end connects the input of pressurizer U6, other end ground connection; Electric capacity C14 one end connects the output of pressurizer U6, other end ground connection.
3. a kind of desk lamp automatic brightness-regulating system according to claim 1 and 2, is characterized in that, described single-chip microcomputer is ATMEGA16.
4. a kind of desk lamp automatic brightness-regulating system according to claim 3, is characterized in that, described illumination sensing circuit comprises photo resistance R3 and resistance R2, and the first end of described photo resistance R3 connects power supply VCC by resistance R2, the second end ground connection; The first end of photo resistance is also connected with single-chip microcomputer PA0 interface.
5. a kind of desk lamp automatic brightness-regulating system according to claim 3, it is characterized in that, described buzzer alarm circuit comprises resistance R4, triode Q1 and buzzer LS1, and the first end of described buzzer connects power supply VCC, the collector electrode of the second end connecting triode Q1; The grounded emitter of triode Q1, base stage connects the PB1 interface of single-chip microcomputer by resistance R4.
6. a kind of desk lamp automatic brightness-regulating system according to claim 3, it is characterized in that, described rpyroelectric infrared module comprises photo resistance R16, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, electric capacity C8, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance R13, resistance R14, resistance R15, triode Q2, single-pole double-throw switch (SPDT) SW1, pyroelectric infrared sensor U5 and transducing signal process chip U3, and described transducing signal process chip is BISS0001; The V+ end of described pyroelectric infrared sensor U5 connects power supply VCC, and GND holds ground connection, and output connects 14 pin of transducing signal process chip U3; Described resistance R5 one end connects the output of pyroelectric infrared sensor U5, other end ground connection, and described electric capacity C2 is in parallel with resistance R5; Described resistance R6 one end connects power supply VCC, and the other end connects 9 pin of transducing signal process chip U3; 9 pin of transducing signal process chip U3 are also by photo resistance R16 ground connection; 10 pin of transducing signal process chip U3 are by resistance R7 ground connection, and 11 pin are connected power supply VCC with 8 pin, and be connected 16 pin by resistance R9, the resistance R8 connected successively with electric capacity C4, electric capacity C3 is in parallel with resistance R9; Electric capacity C5 is connected across between 15 pin of transducing signal process chip U3 and 16 pin, and resistance R10 is in parallel with electric capacity C5; 15 pin of transducing signal process chip U3 are also by resistance R11 and the electric capacity C6 ground connection of series connection; The 7 pin ground connection of transducing signal process chip U3; Resistance R12 is connected across between 6 pin of transducing signal process chip U3 and 5 pin, and 5 pin are also by electric capacity C7 ground connection; Resistance R13 is connected across between 4 pin of transducing signal process chip U3 and 3 pin, and 4 pin are also by electric capacity C8 ground connection; 1 pin of transducing signal process chip U3 connects the fixed contact of single-pole double-throw switch (SPDT) SW1, and first moving contact of single-pole double-throw switch (SPDT) SW1 connects power supply VCC, the second moving contact ground connection; 2 pin of transducing signal process chip U3 are by resistance R14 connecting triode Q2 base stage; The collector electrode of triode Q2 connects power supply VCC by resistance R15, and collector electrode also connects the PB port of single-chip microcomputer; The transmitter ground connection of triode Q2.
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| CN201420275383.9U CN204090206U (en) | 2014-05-28 | 2014-05-28 | A kind of desk lamp automatic brightness-regulating system |
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| CN201420275383.9U CN204090206U (en) | 2014-05-28 | 2014-05-28 | A kind of desk lamp automatic brightness-regulating system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228322A (en) * | 2015-11-02 | 2016-01-06 | 广西职业技术学院 | A kind of children special-purpose eye-protection LED desk lamp controller |
| CN106325175A (en) * | 2016-10-28 | 2017-01-11 | 成都力雅信息技术有限公司 | Micro-disk control system based on infrared wireless transmission |
| CN106641844A (en) * | 2016-12-23 | 2017-05-10 | 浙江萌宠日记信息科技股份有限公司 | Intelligent decorative desk lamp |
| CN106804075A (en) * | 2017-02-28 | 2017-06-06 | 浙江大学 | A kind of LED desk lamp controls circuit |
| CN108156736A (en) * | 2017-12-27 | 2018-06-12 | 上海泰愈酷智能科技有限公司 | A kind of road lamp energy-saving system |
| CN109246916A (en) * | 2018-11-06 | 2019-01-18 | 榆林学院 | A kind of intelligent lighting system |
| CN109526097A (en) * | 2018-11-06 | 2019-03-26 | 罗曦芃 | Intelligent LED desk lamp |
-
2014
- 2014-05-28 CN CN201420275383.9U patent/CN204090206U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228322A (en) * | 2015-11-02 | 2016-01-06 | 广西职业技术学院 | A kind of children special-purpose eye-protection LED desk lamp controller |
| CN106325175A (en) * | 2016-10-28 | 2017-01-11 | 成都力雅信息技术有限公司 | Micro-disk control system based on infrared wireless transmission |
| CN106641844A (en) * | 2016-12-23 | 2017-05-10 | 浙江萌宠日记信息科技股份有限公司 | Intelligent decorative desk lamp |
| CN106804075A (en) * | 2017-02-28 | 2017-06-06 | 浙江大学 | A kind of LED desk lamp controls circuit |
| CN108156736A (en) * | 2017-12-27 | 2018-06-12 | 上海泰愈酷智能科技有限公司 | A kind of road lamp energy-saving system |
| CN109246916A (en) * | 2018-11-06 | 2019-01-18 | 榆林学院 | A kind of intelligent lighting system |
| CN109526097A (en) * | 2018-11-06 | 2019-03-26 | 罗曦芃 | Intelligent LED desk lamp |
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