CN114501749A - Non-hole hand-scanning light-regulating switch - Google Patents
Non-hole hand-scanning light-regulating switch Download PDFInfo
- Publication number
- CN114501749A CN114501749A CN202210150509.9A CN202210150509A CN114501749A CN 114501749 A CN114501749 A CN 114501749A CN 202210150509 A CN202210150509 A CN 202210150509A CN 114501749 A CN114501749 A CN 114501749A
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- circuit
- resistor
- infrared
- scanning
- hand
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
- H05B47/13—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using passive infrared detectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to the technical field of a hand-scanning dimming switch and discloses a hand-scanning dimming switch without an opening hole, which comprises a power supply, an anti-reverse connection circuit, an LDO (low dropout regulator) circuit, an infrared transmitting circuit, an infrared receiving circuit, a backlight indicating circuit, a single chip circuit and an MOS (metal oxide semiconductor) tube circuit, wherein the infrared transmitting circuit comprises an infrared transmitting tube D2. This exempt from trompil hand to sweep light modulation switch, through the power, prevent the reverse-connection circuit, the LDO circuit, infrared this transmitting circuit, infrared receiving circuit, backlight indicating circuit, mutually support between singlechip circuit and the MOS pipeline, make the hand sweep the lamp shade of light modulation switch and need not the trompil, can see through ya keli, transparent or translucent materials such as glass or light filter carry out normal scanning, the trompil process has been saved, reduction in production cost has been reached and the more pleasing to the eye effect of light modulation switch is swept to messenger's hand, the trompil of having solved on the light modulation switch lamp shade is swept to current hand has not only increased the processing cost, and the trompil on the lamp shade has also influenced the pleasing to the eye problem of product.
Description
Technical Field
The invention relates to the technical field of a hand-scanning light-modulating switch, in particular to a hand-scanning light-modulating switch without a hole.
Background
The infrared sensor is a sensor for processing data by utilizing infrared rays, and has the advantages of high sensitivity and the like, the infrared sensor can control the operation of a driving device, the infrared sensor comprises an optical system, a detection element and a conversion circuit, the optical system can be divided into a reflection type and a transmission type according to different structures, the detection element can be divided into a thermosensitive detection element and a photoelectric detection element according to the principle, the thermosensitive element is mostly a thermistor, the thermistor is subjected to the rise of the radiation temperature of the infrared rays, the resistance value is changed, the thermistor is changed into an electric signal through the conversion circuit to be output, the photoelectric detection element is mostly a photosensitive element, and the photoelectric detection element is usually composed of lead sulfide, lead selenide, indium arsenide, antimony arsenide, mercury cadmium telluride ternary alloy, germanium, silicon doping and other materials.
The hand-sweeping switch is a photoelectric proximity switch for short, and utilizes the shielding or reflection of the detected object to the light to gate the circuit by a synchronous loop, so as to detect the existence of the object, the object is not limited to metal, all objects capable of reflecting light can be detected, the hand-sweeping switch converts the input current into infrared light on the transmitter for transmitting and outputting, the receiver detects the object according to the strength or existence of the received optical signal, when a hand or other shielding objects are about five centimeters away from the sensor, the infrared light signals emitted by the emitting end are reflected to the receiving end, the receiving end receives the signals, the lamp is intelligently controlled to be on or off through calculation of the feedback circuit, generally, hand-sweeping switches adopting infrared geminate transistors need to be provided with holes so as to expose the sensing head, however, the design is not beautiful, the hole opening process is added, and the production cost is increased, so that a hole-opening-free hand-scanning dimming switch needs to be provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the hand-scanning dimming switch without hole opening, which has the advantages of avoiding a hole opening process, reducing the production cost and enabling the hand-scanning dimming switch to be more attractive, and solves the problems that the hole opening on the lampshade of the existing hand-scanning dimming switch not only increases the processing cost, but also influences the product attractiveness.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an exempt from trompil hand to sweep light modulation switch, exempt from trompil hand to sweep light modulation switch includes the power, prevents reverse connection circuit, LDO circuit, infrared transmitting circuit, infrared receiving circuit, backlight indicating circuit, singlechip circuit and MOS pipe circuit, infrared transmitting circuit includes infrared transmitting tube D2, infrared receiving circuit includes photosensitive receiving tube D3, singlechip circuit includes singlechip U2, infrared transmitting tube D2 and photosensitive receiving tube D3 are located the both sides of singlechip UE circuit board respectively, the power is through preventing reverse connection circuit and LDO circuit connection, LDO circuit passes through infrared transmitting circuit and infrared receiving circuit connection, the output of power and the input of MOS pipe circuit are connected, MOS pipe circuit passes through singlechip circuit and backlight indicating circuit connection, the output of MOS pipe and the output of singlechip circuit all are connected with the input of power, and the LOD circuit, the infrared transmitting circuit, the infrared receiving circuit, the backlight indicating circuit and the MOS tube circuit are all connected with the single chip microcomputer circuit.
Preferably, the LDO circuit includes a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, and a three-terminal regulator U1, where 10UF is taken for the capacitor C1 and the capacitor C3, 0.1UF is taken for the capacitor C2 and the capacitor C4, the capacitor C1 and the capacitor C3 mainly filter out low-frequency interference, and the capacitor C2 and the capacitor C4 mainly filter out high-frequency ripple.
Preferably, the reverse connection prevention circuit comprises a resistor R1 and a diode D1, the resistor R1 plays a role of buffering and current limiting when the circuit is just powered on, the subsequent LDO circuit is protected, and the diode D1 has unidirectional conductivity.
Preferably, the infrared transmitting circuit further comprises a triode Q2, a resistor R6 and a resistor R8, the single chip microcomputer U2 outputs a PWM signal with a frequency of 200Hz, and the infrared transmitting tube is driven by PWM, so that standby power consumption can be reduced, and interference of strong light such as sunlight can be effectively prevented.
Preferably, the infrared receiving circuit further comprises a resistor R4.
Preferably, the MOS transistor circuit includes a light strip P2, a MOS transistor Q1, a resistor R2, and a resistor R3, the resistor R2 is a driving resistor of the MOS transistor, and is connected in series between the pin 5 of the single chip U2 and the gate of the MOS transistor Q1, so as to play a role of current limiting and buffering, the resistor R3 is a pull-down resistor of the MOS transistor Q1, so as to prevent the MOS transistor Q1 from being turned on by mistake when there is no driving signal, and the MOS transistor Q1 adopts an N-channel MOS.
Preferably, the backlight indicating circuit comprises a resistor R7 and a light emitting diode D4.
Preferably, the single chip circuit further comprises a resistor R9 and a resistor R10, and the resistor R9 and the resistor R10 are mode selection resistors.
Compared with the prior art, the invention provides a hand-scanning light-adjusting switch without opening holes, which has the following beneficial effects:
this exempt from trompil hand to sweep light modulation switch, through the power, prevent the reverse-connection circuit, the LDO circuit, infrared this transmitting circuit, infrared receiving circuit, backlight indicating circuit, mutually support between singlechip circuit and the MOS pipeline, make the hand sweep the lamp shade of light modulation switch and need not the trompil, can see through ya keli, transparent or translucent materials such as glass or light filter carry out normal scanning, the trompil process has been saved, reduction in production cost has been reached and the more pleasing to the eye effect of light modulation switch is swept to messenger's hand, the trompil of having solved on the light modulation switch lamp shade is swept to current hand has not only increased the processing cost, and the trompil on the lamp shade has also influenced the pleasing to the eye problem of product.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
fig. 2 is a schematic diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an aperture-free hand-sweeping light-modulating switch includes a power supply, an anti-reverse-connection circuit, an LDO circuit, an infrared transmitting circuit, an infrared receiving circuit, a backlight indicating circuit, a single-chip microcomputer circuit and a MOS transistor circuit, where the power supply is a twelve-volt dc power supply, the infrared transmitting circuit includes an infrared transmitting tube D2, the infrared receiving circuit includes a photosensitive receiving tube D3, the single-chip microcomputer circuit includes a single-chip microcomputer U2, the infrared transmitting tube D2 and the photosensitive receiving tube D3 are respectively located at two sides of a single-chip microcomputer UE circuit board, the power supply is connected with the LDO circuit through the anti-reverse-connection circuit, the LDO circuit includes a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a three-terminal regulator U1, the input dc power supply 12 is filtered by the capacitor C1 and a capacitor C2, the three-terminal regulator U1 is stabilized, the capacitor C3 and the capacitor C4, and outputs a stable 5V to supply power to a circuit behind the power supply, the reverse connection preventing circuit comprises a resistor R1 and a diode D1, when the anode of an input power supply is connected with the anode of the diode, the diode D1 is conducted, the three-terminal regulator U1 and the single chip microcomputer U2 are electrified to work normally, when the cathode of the input power supply is connected with the anode of the diode, the diode D1 is cut off, and the three-terminal regulator U1 and the single chip microcomputer U2 do not work when power does not exist.
The LDO circuit is connected with the infrared receiving circuit through the infrared transmitting circuit, the infrared transmitting circuit further comprises a triode Q2, a resistor R6 and a resistor R8, the singlechip U2 outputs a PWM signal with the frequency of 200Hz, the PWM signal is limited by the resistor R8 and drives the triode Q2 to be continuously switched on and off, when the 3 pin of the singlechip outputs high level, the triode Q2 is switched on, a 5V power supply is connected to the ground through the infrared transmitting tube D2 and the resistor R6 to emit infrared light, when the 3 pin of the singlechip outputs low level, the triode Q2 is cut off, the infrared transmitting tube stops emitting infrared light, the infrared receiving circuit further comprises a resistor R4, when the photosensitive receiving tube D3 does not receive infrared light, the photosensitive receiving tube D3 is in a cut-off state, the 7 pin of the singlechip is always at low level, when hands or other shielding objects shield the induction head, the photosensitive receiving tube D3 receives the infrared light reflected by the infrared transmitting tube D2, d3 is in the on-state, and 7 feet of singlechip U2 have pulse waveform, and the singlechip carries out the switch and adjusts luminance through detecting this waveform, and the output of power is connected with MOS pipe circuit's input, and MOS pipe circuit passes through the singlechip circuit and is connected with indicating circuit in a poor light.
The MOS tube circuit comprises a lamp strip P2, a MOS tube Q1, a resistor R2 and a resistor R3, when a hand is waved in front of the induction head, a pin 5 of the singlechip U2 outputs a high level, the MOS tube Q1 is switched on, current flows in the lamp strip P2, the lamp strip P2 is bright, when the hand is waved in front of the induction head again, the pin 5 of the singlechip U2 outputs a low level, the MOS tube Q1 is switched off, no current flows in the lamp strip P2, the lamp strip P2 is switched off and is kept in front of the induction head by the hand, the pin 5 of the singlechip U2 outputs a PWM signal, the MOS tube Q1 is switched on and off intermittently, the lamp strip P2 is switched on and off rapidly, due to the visual angle retention effect of human eyes, the flicker of the lamp light cannot be seen, the duty ratio of the PWM is increased, the brightness is increased, the duty ratio of the PWM is reduced, the brightness is darkened, the function of the short-scan switch is realized, the function of the long-scan light-dimming is realized, the output end of the MOS tube Q1 adopts an N channel, the output end of the MOS tube and the output end of the MOS tube is connected with the input end of the single-chip circuit, the LOD circuit, the infrared transmitting circuit, the infrared receiving circuit, the backlight indicating circuit and the MOS tube circuit are all connected with the single chip microcomputer circuit.
The backlight indicating circuit comprises a resistor R7 and a light emitting diode D4, when a lamp strip P2 is bright, a pin 2 of a single chip microcomputer U2 outputs a high level, a light emitting diode D4 is cut off, an indicating lamp is not bright, when the lamp strip P2 is off, a pin 2 of the single chip microcomputer U2 outputs a low level, the light emitting diode D4 is switched on, the indicating lamp is bright, the single chip microcomputer circuit further comprises a resistor R9 and a resistor R10, the resistor R9 and the resistor R10 are mode selection resistors, and by adjusting the resistance values of the resistor R9 and the resistor R10, various working modes can be combined, such as sectional dimming and stepless dimming, a hand-sweeping switch is a door-sensing switch, the PWM frequency of a driving MOS tube Q1 is 1K or 20K, dimming is required or not required, a gradual change effect is not required, gradual change time is required, time delay light turning off is not required, and the power on is bright or off.
When the manual-scanning dimming switch is used, the infrared transmitting tube D2 and the photosensitive receiving tube D3 are separated, the infrared transmitting tube D2 and the photosensitive receiving tube D3 are respectively installed on two sides of a circuit board, the infrared transmitting tube D2 and the photosensitive receiving tube D3 are separated by using components in the middle 0, so that infrared light emitted by the infrared transmitting tube D2 is prevented from being directly received by the photosensitive receiving tube D3, when a hand or other shielding objects are located at a distance of about five centimeters from an inductor, an infrared light signal emitted by the infrared transmitting tube D2 is reflected to the photosensitive receiving tube D3, the photosensitive receiving tube D3 receives the infrared light signal, and the light strip P2 is intelligently controlled to be turned on and off and dimmed through identification and calculation of the single chip microcomputer U2.
Compared with the prior art, the lamp shade has the advantages that the lamp shade does not need to be provided with holes, and can be normally scanned by hands through transparent or semitransparent materials such as acrylic, glass or optical filters, so that the whole lamp looks beautiful and elegant, the production is simple and convenient, and the processing cost is saved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a exempt from trompil hand to sweep light modulation switch which characterized in that: exempt from trompil hand and sweep light modulation switch and include the power, prevent reverse connection circuit, LDO circuit, infrared transmitting circuit, infrared receiving circuit, indicating circuit, single chip microcomputer circuit and MOS pipe circuit in a poor light, infrared transmitting circuit includes infrared transmitting tube D2, infrared receiving circuit includes photosensitive receiving tube D3, single chip microcomputer circuit includes singlechip U2, infrared transmitting tube D2 and photosensitive receiving tube D3 are located the both sides of singlechip UE circuit board respectively, the power is through preventing reverse connection circuit and LDO circuit connection, the LDO circuit passes through infrared transmitting circuit and infrared receiving circuit connection, the output of power and the input of MOS pipe circuit are connected, the MOS pipe circuit passes through single chip microcomputer circuit and backlight indicating circuit connection, the output of MOS pipe and the output of single chip microcomputer circuit all are connected with the input of power, LOD circuit, infrared transmitting circuit, infrared receiving circuit, the input of LED circuit, The infrared receiving circuit, the backlight indicating circuit and the MOS tube circuit are all connected with the single chip microcomputer circuit.
2. The no-hole manual-scanning dimming switch of claim 1, wherein: the LDO circuit comprises a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4 and a three-terminal regulator U1.
3. The no-hole manual-scanning dimming switch of claim 1, wherein: the anti-reverse connection circuit comprises a resistor R1 and a diode D1.
4. The no-hole manual-scanning dimming switch of claim 1, wherein: the infrared transmitting circuit further comprises a triode Q2, a resistor R6 and a resistor R8, and the single chip microcomputer U2 outputs a PWM signal with the frequency of 200 Hz.
5. The no-hole manual-scanning dimming switch of claim 1, wherein: the infrared receiving circuit also comprises a resistor R4.
6. The no-hole manual-scanning dimming switch of claim 1, wherein: the MOS tube circuit comprises a light strip P2, a MOS tube Q1, a resistor R2 and a resistor R3, wherein the MOS tube Q1 adopts an N-channel MOS.
7. The no-hole manual-scanning dimming switch of claim 1, wherein: the backlight indicating circuit comprises a resistor R7 and a light emitting diode D4.
8. The no-hole manual-scanning dimming switch of claim 1, wherein: the single chip microcomputer circuit further comprises a resistor R9 and a resistor R10, and the resistor R9 and the resistor R10 are mode selection resistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210150509.9A CN114501749A (en) | 2022-02-18 | 2022-02-18 | Non-hole hand-scanning light-regulating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210150509.9A CN114501749A (en) | 2022-02-18 | 2022-02-18 | Non-hole hand-scanning light-regulating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114501749A true CN114501749A (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210150509.9A Pending CN114501749A (en) | 2022-02-18 | 2022-02-18 | Non-hole hand-scanning light-regulating switch |
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| Country | Link |
|---|---|
| CN (1) | CN114501749A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2466280A1 (en) * | 2010-12-17 | 2012-06-20 | Dongguan Ju Yang Electronics Limited | Human infrared recipient processor |
| CN109428966A (en) * | 2017-08-22 | 2019-03-05 | 西安中兴新软件有限责任公司 | A kind of control method of mobile terminal, laser carving method and screen backlight |
| CN211352528U (en) * | 2020-02-26 | 2020-08-25 | 黄超鹄 | Hand-sweeping induction and human body induction double-induction intelligent induction switch |
| CN212254353U (en) * | 2020-06-16 | 2020-12-29 | 深圳市全智芯科技有限公司 | Intelligent light mirror of two accuses of response is swept to hand |
| CN213694216U (en) * | 2020-11-13 | 2021-07-13 | 深圳市维盛泰光电有限公司 | Intelligent human body induction charging glare-free LED lamp |
| CN215345160U (en) * | 2021-06-23 | 2021-12-28 | 深圳市全智芯科技有限公司 | Infrared induction stair lamp |
-
2022
- 2022-02-18 CN CN202210150509.9A patent/CN114501749A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2466280A1 (en) * | 2010-12-17 | 2012-06-20 | Dongguan Ju Yang Electronics Limited | Human infrared recipient processor |
| CN109428966A (en) * | 2017-08-22 | 2019-03-05 | 西安中兴新软件有限责任公司 | A kind of control method of mobile terminal, laser carving method and screen backlight |
| CN211352528U (en) * | 2020-02-26 | 2020-08-25 | 黄超鹄 | Hand-sweeping induction and human body induction double-induction intelligent induction switch |
| CN212254353U (en) * | 2020-06-16 | 2020-12-29 | 深圳市全智芯科技有限公司 | Intelligent light mirror of two accuses of response is swept to hand |
| CN213694216U (en) * | 2020-11-13 | 2021-07-13 | 深圳市维盛泰光电有限公司 | Intelligent human body induction charging glare-free LED lamp |
| CN215345160U (en) * | 2021-06-23 | 2021-12-28 | 深圳市全智芯科技有限公司 | Infrared induction stair lamp |
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