CN104661385A - Infrared control circuit and lamp - Google Patents
Infrared control circuit and lamp Download PDFInfo
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- CN104661385A CN104661385A CN201310598365.4A CN201310598365A CN104661385A CN 104661385 A CN104661385 A CN 104661385A CN 201310598365 A CN201310598365 A CN 201310598365A CN 104661385 A CN104661385 A CN 104661385A
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- infrared
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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 invention discloses an infrared control circuit and a lamp. The infrared control circuit is connected between a light source and a power supply channel and used for controlling the working state of the light source. The infrared control circuit and lamp comprises a power supply module, and further comprises an infrared detection module and a switch control module, wherein the infrared detection module is connected with the power supply module and is used for detecting the state that people pass inside a sensation area and used for outputting a control signal; the switch control module is connected with the infrared detection module and comprises a control unit and a timing unit; the control unit is used for controlling the working state of the light source according to the control signal; when people enter the sensation area, the power supply channel is powered on so as to control the light source to be turned on automatically; when people leave the sensation area, the power supply channel is powered off so as to control the light source to be turned off automatically; the timing unit is connected with the control unit and is used for timely powering off the power supply channel through the control unit when the light source is turned on for a long time, so as to control the light source to be turned off automatically. The invention further discloses the lamp. The lamp can be automatically turned on and turned off without affecting other people, and can be turned off at regular time, so that the energy can be saved.
Description
Technical field
The present invention relates to lighting control field, particularly relate to a kind of infrared control circuit and light fixture.
Background technology
Infrared ray (Infrared) is the electromagnetic wave that wavelength is situated between microwave and visible ray, and its wavelength, between 760 nanometers (nm) to 1 millimeter (mm), is the non-visible light of wavelength ratio ruddiness length.All materials higher than absolute zero (-273.15 DEG C) can produce infrared ray.Had just ultrared exist just to occur we live in common Infrared Detectors.
But infrared controller is generally all used to antitheft, less really in light fixture, even if or be used to and also light fixture may be made to be in the state be lit for a long time because of some odjective causes in light fixture, waste energy like this and also have damage to components and parts in circuit.
Summary of the invention
Based on this, be necessary to provide a kind of and can automatically light and extinguish and there is infrared control circuit and the light fixture of fixed-time extinguishing function.
A kind of infrared control circuit, for being connected to the operating state controlling light source between light source and Power supply path, comprising power module, also comprising: infrared detection module, connect described power module, for detecting state that people in induction region passes through and exporting control signal; Switch control module, with described infrared detection model calling, comprises control unit and timing unit; Described control unit controls the operating state of described light source according to described control signal: when people enters in induction region, and conducting supply access is lighted automatically to control described light source; When people leaves induction region, turn off supply access to control described light source automatic distinguishing; Described timing unit is connected with described control unit, turns off supply access to control described light source automatic distinguishing for the timing property when light source is lit for a long time by described control unit.。
Wherein in an embodiment, described power module comprises the first resistance, the first electric capacity, the second electric capacity, the first diode and the second diode; The anode of described first diode is connected with alternating current positive pole by described first electric capacity, the negative electrode of described first diode and described infrared detection model calling, described first resistor coupled in parallel is at the two ends of described first electric capacity, the anode of described second diode connects the negative pole of alternating current, the negative electrode of described second diode is connected to the common port of described first electric capacity and described first diode, the positive pole of described second electric capacity is connected with the negative electrode of described first diode, and the negative pole of described second electric capacity is connected with the anode of described second diode.
Wherein in an embodiment, described second diode is Schottky diode, and described second electric capacity is electrochemical capacitor.
Wherein in an embodiment, described infrared detection module comprises the first switching tube, second switch pipe, the second resistance, the 3rd resistance, the 4th resistance, Infrared Detectors; The hot end of described first switching tube is connected with the positive pole of described power module, and the cold end of described first switching tube is connected with described switch control module, and the control end of described first switching tube is connected with the hot end of described second switch pipe; Described second resistance is connected between the control end of described first switching tube and the hot end of described first switching tube; The control end of described second switch pipe is connected with the signal output part of described Infrared Detectors by described 3rd resistance, the earth terminal ground connection together of the cold end of described second switch pipe, described Infrared Detectors; The hot end of described first switching tube is also connected with the power supply side of described Infrared Detectors by described 4th resistance.
Wherein in an embodiment, described first switching tube is PNP type triode, and second switch pipe is NPN type triode; Wherein, the base stage of described PNP type triode is the control end of described first switching tube, the hot end of very described first switching tube of transmitting of described PNP type triode, the cold end of very described first switching tube of current collection of described PNP type triode; The base stage of described NPN type triode is the control end of described second switch pipe, the hot end of the very described second switch pipe of current collection of described NPN type triode, the cold end of the very described second switch pipe of transmitting of described NPN type triode.
Wherein in an embodiment, described infrared detection module also comprises the 3rd electric capacity for preventing external interference misoperation, and described 3rd electric capacity is connected between the control end of described second switch pipe and the cold end of described second switch pipe.
Wherein in an embodiment, described infrared detection module also comprises the 5th resistance, and one end of described 5th resistance is connected with the cold end of described first switching tube, the other end ground connection of described 5th resistance.
Wherein in an embodiment, described control unit comprises relay, 555 chips, the 3rd diode, the 6th resistance; 1 pin ground connection of described 555 chips, 3 pin of described 555 chips pass through the coiler part ground connection of described relay, 4 pin of described 555 chips are connected with 8 pin and are connected with described infrared control module afterwards, 8 pin of described 555 chips are also connected by 2 pin of the 6th resistance and described 555 chips, 6 pin, the anode of described 3rd diode is connected with 6 pin of described 555 chips, and the negative electrode of described 3rd diode is connected with 8 pin of described 555 chips; Wherein, the switch sections of described relay is connected in described supply access.
Wherein in an embodiment, described timing unit comprises the 4th electric capacity, and the positive pole of described 4th electric capacity is connected with 8 pin of described 555 chips by described 6th resistance, the minus earth of described 4th electric capacity.
A kind of light fixture, comprise above-mentioned infrared control circuit and light source, described infrared control circuit is connected between light source and Power supply path.
Above-mentioned infrared control circuit and light fixture detect people by infrared detection module and enter and leave induction region and export corresponding control signal to switch control module, the control unit of switch control module is automatically lighted according to described corresponding control signals light source and extinguishes, and when light source is lit for a long time, the timing unit of described switch control module can also turn off supply access to control described light source automatic distinguishing by described control unit timing property, makes this infrared control circuit not only have the function automatically lighted and extinguish like this and also has timing function.
Accompanying drawing explanation
Fig. 1 is the infrared control circuit module map of an embodiment;
Fig. 2 is the schematic diagram of the infrared control circuit of embodiment described in Fig. 1.
Embodiment
As shown in Figure 1, be the infrared control circuit module map of an embodiment, for being connected to the operating state controlling light source L1 between light source L1 and Power supply path.This infrared control circuit comprises power module 110, be connected with described power module for detecting state that people in induction region passes through and exporting the infrared detection module 120 of control signal, the switch control module 130 with described infrared detection model calling.
Wherein, described switch control module 130 comprises control unit 131 and timing unit 132.Control unit 131 controls the operating state of described light source according to described control signal, and timing unit 132 is connected with control unit 131.Concrete, when infrared detection module 120 detects that someone enters in induction region, the control unit 131 conducting supply access of switch control module 130 is lighted automatically to control described light source L1; When infrared detection module 120 detects that people leaves induction region, the control unit 131 of switch control module 130 turns off supply access to control described light source L1 automatic distinguishing.In addition, when light source is lit for a long time, timing unit 132 can turn off supply access to control described light source automatic distinguishing by control unit 131.
We know that all materials higher than absolute zero (-273.15 DEG C) can produce infrared ray, in the present embodiment, it is different from the ultrared wavelength that other materials produce that described infrared detection module 130 mainly produces ultrared wavelength according to people, and being set to detection human body infrared is target.
Incorporated by reference to Fig. 2.
Power module 110 comprises the first resistance R1, the first electric capacity C1, the second electric capacity C2, the first diode D1 and the second diode D2.
The anode of described first diode is connected with alternating current positive pole by described first electric capacity, the negative electrode of described first diode and described infrared detection model calling.First resistance R1 is connected in parallel on the two ends of the first electric capacity C1.The anode of described second diode D2 connects the negative pole of alternating current, and the negative electrode of the second diode D2 is connected to the common port of the first electric capacity C1 and the first diode D1.The positive pole of the second electric capacity C2 is connected with the negative electrode of the first diode D1, and the negative pole of the second electric capacity C2 is connected with the anode of the second diode.In the present embodiment, the second diode D2 is Schottky diode, and the second electric capacity C2 is electrochemical capacitor.Be appreciated that in other embodiments, power module 110 can also adopt other rectifying and wave-filtering modes to be that rear class components and parts are powered, and is not limited to the mode that the present embodiment provides.
Infrared detection module 120 comprises the first switching tube Q1, second switch pipe Q2, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, Infrared Detectors U1.
Infrared Detectors U1 is by detecting the infrared ray of human-body emitting to carry out work.Only have when the waveform determining to collect infrared ray generation after detecting analysis meets the infrared ray waveform of human body generation, just output detection signal.Such as, amplification voltage signal in two different frequency ranges, and exaggerated signal is used for the signal differentiating to be caused by human body.When detector have collected infrared radiation post-concentration collection that human body sends on infrared sensor, infrared sensor will output signal outwards to discharge electric charge mode according to change.
The hot end of the first switching tube Q1 is connected with the positive pole of power module 110, and the cold end of the first switching tube Q1 is connected with switch control module 130, and the control end of the first switching tube Q1 is connected with the hot end of second switch pipe Q2.Second resistance R2 is connected between the control end of the first switching tube Q1 and the hot end of the first switching tube Q1.The control end of second switch pipe Q2 is connected with the signal output part of Infrared Detectors U1 by the 3rd resistance R3, the cold end of second switch pipe Q2, the earth terminal ground connection together of Infrared Detectors U1.The hot end of the first switching tube Q1 is also connected with the power supply side of Infrared Detectors U1 by the 4th resistance R4.
In the present embodiment, the first switching tube Q1 is PNP type triode, and second switch pipe Q2 is NPN type triode.Wherein, the base stage of described PNP type triode is the control end of the first switching tube Q1, the hot end of the transmitting of described PNP type triode very the first switching tube Q1, the cold end of the current collection of described PNP type triode very the first switching tube Q1.The base stage of described NPN type triode is the control end of second switch pipe Q2, the hot end of the current collection of described NPN type triode very second switch pipe Q2, the cold end of the transmitting of described NPN type triode very second switch pipe Q2.
Be appreciated that in other embodiments, the first switching tube Q1, second switch pipe Q2 can also substitute with other functionally similar components and parts.
In addition, in the present embodiment, infrared detection module 120 also comprises the 3rd electric capacity C3 and the 5th resistance R5 for preventing external interference misoperation.3rd electric capacity C3 is connected between the control end of second switch pipe Q2 and the cold end of second switch pipe Q2, and one end of the 5th resistance R5 is connected with the cold end of the first switching tube Q1, the other end ground connection of the 5th resistance R5.
Control unit 131 comprises relay K 1,555 chip U2, the 3rd diode D3, the 6th resistance R6.
The 1 pin ground connection of 555 chip U2,3 pin of 555 chip U2 pass through the coiler part ground connection of relay K 1, and 4 pin of 555 chip U2 are connected with 8 pin and are connected with infrared control module 120 afterwards.8 pin of 555 chip U2 are also connected by 2 pin of the 6th resistance R6 and 555 chip U2,6 pin, and the anode of the 3rd diode D3 is connected with 6 pin of 555 chip U2, and the negative electrode of the 3rd diode D3 is connected with 8 pin of 555 chip U2.Wherein, the switch sections of relay K 1 is connected in described supply access.
Timing unit 132 comprises the 4th electric capacity C4, and the positive pole of the 4th electric capacity C4 is connected with 8 pin of 555 chip U2 by the 6th resistance R6, the minus earth of the 4th electric capacity C4.
Be appreciated that in other embodiments, control unit 131 can also adopt the adhesive of other control mode control relays K1 with closed, as 555 chip U2 are replaced with other intimate chips, and is not limited to the mode that the present embodiment provides.
The operation principle of circuit is described with the circuit diagram shown in Fig. 2 below.
When there being people to enter in induction region, Infrared Detectors U1 can export a high level by its 1 pin, and when people leaves induction region, Infrared Detectors U1 would not have output.555 chip U2 carry out the closed of control relay K1 according to the output of Infrared Detectors U1.Alternating current is that rear class components and parts are powered by power module 110 rectifying and wave-filtering.
It is specific as follows: when Infrared Detectors U1 detects that someone enters in induction region, Infrared Detectors U1 can export a high level by its 1 pin, this high level makes second switch pipe Q2 conducting by the base stage of second switch pipe Q2, now the current potential of the base stage of the first switching tube Q1 is dragged down, make the first switching tube Q1 conducting, 555 chip U2 start working, and 555 chip U2 are by its 3 output high level, relay K 1 obtains electric adhesive, light source L1 electrified light emitting.
After Infrared Detectors U1 detects that people leaves induction region, Infrared Detectors U1 meeting no-output, the first switching tube Q1, second switch pipe Q2 end, and 555 chip U2 do not work, and relay K 1 dead electricity disconnects, and light source L1 extinguishes.
In addition, when people is in induction region for a long time, first switching tube Q1 conducting also can charge to the 4th electric capacity C4 by the 6th resistance R6 while giving 555 chip power supplies, the voltage of the 4th electric capacity C4 then slowly can raise and become high level, now, 555 chip upsets make its 3 pin output low level, and relay K 1 just can dead electricity disconnect, and therefore light source L1 has the function of fixed-time extinguishing.
The present invention also provides a kind of light fixture, comprises above-mentioned infrared control circuit and light source, and described infrared control circuit is connected between light source and Power supply path.This light fixture not only can enter and leave induction region and automatically lights and extinguish according to people, light fixture can also be prevented to be lit for a long time and timing automatic is extinguished, energy savings.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an infrared control circuit, for being connected to the operating state controlling light source between light source and Power supply path, comprising power module, it is characterized in that, also comprise:
Infrared detection module, connects described power module, for detecting state that people in induction region passes through and exporting control signal;
Switch control module, with described infrared detection model calling, comprises control unit and timing unit;
Described control unit controls the operating state of described light source according to described control signal: when people enters in induction region, and conducting supply access is lighted automatically to control described light source; When people leaves induction region, turn off supply access to control described light source automatic distinguishing;
Described timing unit is connected with described control unit, turns off supply access to control described light source automatic distinguishing for the timing property when light source is lit for a long time by described control unit.
2. infrared control circuit according to claim 1, is characterized in that, described power module comprises the first resistance, the first electric capacity, the second electric capacity, the first diode and the second diode;
The anode of described first diode is connected with alternating current positive pole by described first electric capacity, the negative electrode of described first diode and described infrared detection model calling, described first resistor coupled in parallel is at the two ends of described first electric capacity, the anode of described second diode connects the negative pole of alternating current, the negative electrode of described second diode is connected to the common port of described first electric capacity and described first diode, the positive pole of described second electric capacity is connected with the negative electrode of described first diode, and the negative pole of described second electric capacity is connected with the anode of described second diode.
3. infrared control circuit according to claim 2, is characterized in that, described second diode is Schottky diode, and described second electric capacity is electrochemical capacitor.
4. infrared control circuit according to claim 1, is characterized in that, described infrared detection module comprises the first switching tube, second switch pipe, the second resistance, the 3rd resistance, the 4th resistance, Infrared Detectors;
The hot end of described first switching tube is connected with the positive pole of described power module, and the cold end of described first switching tube is connected with described switch control module, and the control end of described first switching tube is connected with the hot end of described second switch pipe; Described second resistance is connected between the control end of described first switching tube and the hot end of described first switching tube; The control end of described second switch pipe is connected with the signal output part of described Infrared Detectors by described 3rd resistance, the earth terminal ground connection together of the cold end of described second switch pipe, described Infrared Detectors; The hot end of described first switching tube is also connected with the power supply side of described Infrared Detectors by described 4th resistance.
5. infrared control circuit according to claim 4, is characterized in that, described first switching tube is PNP type triode, and second switch pipe is NPN type triode; Wherein, the base stage of described PNP type triode is the control end of described first switching tube, the hot end of very described first switching tube of transmitting of described PNP type triode, the cold end of very described first switching tube of current collection of described PNP type triode; The base stage of described NPN type triode is the control end of described second switch pipe, the hot end of the very described second switch pipe of current collection of described NPN type triode, the cold end of the very described second switch pipe of transmitting of described NPN type triode.
6. infrared control circuit according to claim 4, it is characterized in that, described infrared detection module also comprises the 3rd electric capacity for preventing external interference misoperation, and described 3rd electric capacity is connected between the control end of described second switch pipe and the cold end of described second switch pipe.
7. infrared control circuit according to claim 4, is characterized in that, described infrared detection module also comprises the 5th resistance, and one end of described 5th resistance is connected with the cold end of described first switching tube, the other end ground connection of described 5th resistance.
8. infrared control circuit according to claim 1, is characterized in that, described control unit comprises relay, 555 chips, the 3rd diode, the 6th resistance;
1 pin ground connection of described 555 chips, 3 pin of described 555 chips pass through the coiler part ground connection of described relay, 4 pin of described 555 chips are connected with 8 pin and are connected with described infrared control module afterwards, 8 pin of described 555 chips are also connected by 2 pin of the 6th resistance and described 555 chips, 6 pin, the anode of described 3rd diode is connected with 6 pin of described 555 chips, and the negative electrode of described 3rd diode is connected with 8 pin of described 555 chips; Wherein, the switch sections of described relay is connected in described supply access.
9. infrared control circuit according to claim 1, is characterized in that, described timing unit comprises the 4th electric capacity, and the positive pole of described 4th electric capacity is connected with 8 pin of described 555 chips by described 6th resistance, the minus earth of described 4th electric capacity.
10. a light fixture, comprises the infrared control circuit as described in any one of claim 1 ~ 9 and light source, and described infrared control circuit is connected between light source and Power supply path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310598365.4A CN104661385A (en) | 2013-11-21 | 2013-11-21 | Infrared control circuit and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310598365.4A CN104661385A (en) | 2013-11-21 | 2013-11-21 | Infrared control circuit and lamp |
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| CN104661385A true CN104661385A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310598365.4A Pending CN104661385A (en) | 2013-11-21 | 2013-11-21 | Infrared control circuit and lamp |
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| CN (1) | CN104661385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197573A (en) * | 2017-05-31 | 2017-09-22 | Tcl-罗格朗国际电工（惠州）有限公司 | Inductive switch control device |
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| CN2152347Y (en) * | 1993-01-14 | 1994-01-05 | 中外合资常州豪门音响器材有限公司 | Automatically closing power saving switch |
| CN101487655A (en) * | 2008-12-16 | 2009-07-22 | 海信科龙电器股份有限公司 | Ice/water taking selection control apparatus of refrigerator |
| CN201616939U (en) * | 2010-01-08 | 2010-10-27 | 陈家斌 | Automatic power saving controller for door lamps |
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2013
- 2013-11-21 CN CN201310598365.4A patent/CN104661385A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2152347Y (en) * | 1993-01-14 | 1994-01-05 | 中外合资常州豪门音响器材有限公司 | Automatically closing power saving switch |
| CN101487655A (en) * | 2008-12-16 | 2009-07-22 | 海信科龙电器股份有限公司 | Ice/water taking selection control apparatus of refrigerator |
| CN201616939U (en) * | 2010-01-08 | 2010-10-27 | 陈家斌 | Automatic power saving controller for door lamps |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197573A (en) * | 2017-05-31 | 2017-09-22 | Tcl-罗格朗国际电工（惠州）有限公司 | Inductive switch control device |
| CN107197573B (en) * | 2017-05-31 | 2023-09-26 | 罗格朗智能电气(惠州)有限公司 | Inductive switch control device |
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Application publication date: 20150527 |