CN218550235U - Intelligent human body induction desk lamp with light-operated compensation - Google Patents
Intelligent human body induction desk lamp with light-operated compensation Download PDFInfo
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- CN218550235U CN218550235U CN202221745841.1U CN202221745841U CN218550235U CN 218550235 U CN218550235 U CN 218550235U CN 202221745841 U CN202221745841 U CN 202221745841U CN 218550235 U CN218550235 U CN 218550235U
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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 provides a human response desk lamp of intelligence with light-operated compensation belongs to domestic appliance technical field, including desk lamp main part and locate power module, master control circuit, luminance detection circuitry, the light control circuit of desk lamp main part. The main control circuit utilizes the brightness detection circuit to collect the brightness of the ambient light, and controls the light control circuit to correspondingly adjust the brightness of the desk lamp so as to keep the brightness of the lighting environment of the desk lamp constant, thereby avoiding the problem of eyesight damage caused by too strong or too weak light when people use the desk lamp and achieving the beneficial effects of safe eye protection, convenience and energy saving.
Description
Technical Field
The utility model belongs to the technical field of domestic appliance, especially, relate to a human response desk lamp of intelligence with light-operated compensation.
Background
The desk lamp is people's widely used domestic appliance, along with the progress of science and technology, the function of desk lamp is also developing constantly, and the desk lamp that can adjust luminance and can alternate the light colour has appeared gradually, but the desk lamp that has adjustable luminance function on the existing market is mostly manual dimming, manual dimming is difficult to accurately adjust to with the assorted light intensity of surrounding environment, eyes are as the fragile organ of human body, the light of desk lamp is too strong or too weak can bring the damage for eyesight, can lead to cataract under the severe condition even.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a human response desk lamp of intelligence with light-operated compensation aims at the luminance of real-time regulation desk lamp, avoids the highlight or the weak light damage eyesight of desk lamp, reaches the effect of protection eyes.
In order to achieve the above object, the present invention provides an intelligent human body induction desk lamp with light-controlled compensation, which comprises a desk lamp body, and a power module, a main control circuit, a brightness detection circuit and a light control circuit which are arranged on the desk lamp body, wherein the desk lamp body has a lamp body, the power module has a first voltage output end and a second voltage output end, the input end of the main control circuit is connected with the output end of the brightness detection circuit, the light control end of the main control circuit is connected with the controlled end of the light control circuit, the input end of the light control circuit is connected with the first voltage output end of the power module, the output end of the light control circuit is connected with the lamp body, and the power ends of the main control circuit and the brightness detection circuit are respectively connected with the second voltage output end of the power module;
the power supply module is used for accessing a power supply, converting the accessed power supply into a first working voltage, outputting the first working voltage through the first voltage output end, converting the first working voltage into a second working voltage, and outputting the second working voltage through the second voltage output end;
the brightness detection circuit is used for collecting the brightness of ambient light, converting the brightness into a corresponding first voltage signal and outputting the first voltage signal to the main control circuit;
the main control circuit is used for receiving the first voltage signal and then controlling the light control circuit to correspondingly adjust the brightness of the lamp body so as to keep the brightness of the working surface of the desk lamp constant.
Optionally, the intelligent human body induction desk lamp with the light-controlled compensation further comprises a color temperature control circuit, and a controlled end of the color temperature control circuit is connected with a light control end of the main control circuit;
the color temperature control circuit is used for adjusting the color temperature of the lamp body.
Optionally, the intelligent human body induction table lamp with the light control compensation further comprises a human body induction circuit, and an output end of the human body induction circuit is connected with an input end of the main control circuit;
the main control circuit is also used for controlling the light control circuit to drive the lamp body to be opened when the human body induction circuit senses a human body movement signal.
Optionally, the main control circuit includes a main control chip, and the main control chip has a power input pin, a brightness detection pin, and a light control pin;
the power input pin is connected with the second voltage output end of the power module, the brightness detection pin is connected with the output end of the brightness detection circuit, and the light control pin is connected with the controlled end of the light control circuit.
Optionally, the brightness detection circuit includes a phototransistor and a fourth resistor, a collector of the phototransistor is a power supply end of the brightness detection circuit, an emitter of the phototransistor is connected to a first end of the fourth resistor, and an interconnection point is connected to an input end of the main control circuit.
Optionally, the light control circuit includes a boost chip, a first inductor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a twenty-fourth capacitor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, a third triode, a first diode, a second diode, and a third diode;
the boost chip is provided with a power input pin, an enabling pin, a switch control pin, a signal output pin and a grounding pin;
a power input pin of the boost chip is connected with a first voltage output end of the power module, and interconnection points are respectively connected with a first end of the eleventh resistor, a first end of the first inductor, a first end of the thirteenth resistor, a first end of the twelfth capacitor, a first end of the tenth capacitor, a first end of the eleventh capacitor and a negative electrode of the first diode, a second end of the eleventh resistor is connected with a first end of the twelfth resistor, an interconnection point is connected with an emitter of the third triode, a second end of the twelfth resistor is connected with a first end of the ninth capacitor, an interconnection point is connected with a base of the third triode, a second end of the ninth capacitor is grounded, a second end of the eleventh capacitor is connected with the tenth capacitor, and interconnection points are grounded;
the enabling pin of the boosting chip is connected with the anode of the first diode, the mutual connection point is connected with the first end of the fifteenth resistor, the second end of the fifteenth resistor is connected with the grounding end of the boosting chip, and the mutual connection point is grounded;
a switch control pin of the boost chip is connected with a second end of the first inductor, a mutual connection point is connected with an anode of the second diode, a cathode of the second diode is connected with an anode power supply of the lamp body, the mutual connection points are respectively connected with a cathode of the third diode, a first end of a fourteenth capacitor, a first end of a fifteenth capacitor and a first end of a sixteenth capacitor, a second end of the fourteenth capacitor is connected with a second end of the fifteenth capacitor, and the mutual connection point is grounded;
the signal output foot of the boost chip with the collecting electrode of the third triode is connected, and the point of interconnection respectively with the first end of sixteenth resistance, the first end of eighteenth resistance and the positive pole of third diode are connected, the sixteenth resistance with the first end of seventeenth resistance is connected, and the point of interconnection with the first end of twenty-fourth capacitance is connected, the second end ground connection of twenty-fourth capacitance is connected, the second end of seventeenth resistance does switch circuit's controlled end, the second end ground connection of twenty-fourth capacitance is connected, the second end of eighteenth resistance is connected the second end of sixteenth capacitance, and the point of interconnection respectively with the first end of nineteenth resistance and twentieth resistance is connected, the second end of nineteenth resistance with the second end of twentieth resistance is connected, and the point of interconnection ground connection is connected.
Optionally, the color temperature control circuit includes a twenty-first resistor, a twenty-second resistor, a first MOS transistor, a twenty-third resistor, a twenty-fourth resistor, and a second MOS transistor;
the first end of the twenty-first resistor and the first end of the twenty-third resistor are controlled ends of the color temperature control circuit, the second end of the twenty-first resistor is connected with the grid electrode of the first MOS tube, an interconnection node is connected with the first end of the twenty-second resistor, the source electrode of the first MOS tube is connected with the desk lamp, the drain electrode of the first MOS tube is connected with the second end of the twenty-second resistor, and the interconnected nodes are grounded, the second end of the twenty-third resistor is connected with the grid electrode of the second MOS tube, the interconnected nodes are connected with the second end of the twenty-fourth resistor, the source electrode of the second MOS tube is connected with the desk lamp, the drain electrode of the second MOS tube is connected with the second end of the twenty-fourth resistor, and the interconnected nodes are grounded.
Optionally, the human body sensing circuit includes a sensing chip, a limit switch, a first triode, a second triode, an infrared sensor, a twenty-fifth resistor, a twenty-sixth resistor, a twenty-seventh resistor, a twenty-eighth resistor and a first photodiode, and the sensing chip has a power input pin, a switch pin, a ground pin, a light sensing pin, a human body sensing pin, a first level pin and a second level pin;
power module still has third voltage output end, power input foot of sense chip connects power module's third voltage output end, and the interconnection point with the first end of twenty-sixth resistance is connected, the ground connection foot ground connection of sense chip connects, and the interconnection point respectively with limit switch's second end, first photodiode's negative pole are connected, the switch foot of sense chip connects limit switch's first end, the illumination sense foot of sense chip connects the first end of twenty-fifth resistance, the second end of twenty-fifth resistance is connected the positive pole of first photodiode, the human sense foot of sense chip connects infrared sensor, the first level foot of sense chip with the second end of twenty-sixth resistance is connected, and the interconnection point with the collecting electrode of first triode is connected, the base of first triode with the second end of twenty-eighth resistance is connected, the first end of twenty-eighth resistance is connected the third voltage output end of power module, the projecting pole of first triode is connected the first voltage output end of master control circuit, the second sense foot of sense chip is connected the second end of twenty-eighth resistance the second triode, the second collecting electrode of second triode is connected the emitter of second triode, the second triode is connected the second sensing resistor of twenty-sixth resistance is connected the emitter.
The utility model discloses a luminance of surrounding environment light is gathered to luminance detection circuitry, and control light control circuit corresponds the luminance of adjusting the desk lamp, and is invariable in order to keep the luminance of desk lamp working face through luminance detection circuitry and light control circuit, because of the visual damage problem that light causes too strong or too weak when having avoided people to use the desk lamp, reaches safe eyeshield, convenient energy-conserving beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of a circuit function module of the intelligent human body induction desk lamp with light control compensation of the utility model;
fig. 2 is a schematic circuit structure diagram of the power module of the intelligent human body induction table lamp with light control compensation of the utility model;
fig. 3 is a schematic circuit structure diagram of the main control circuit and the brightness detection circuit of the intelligent human body induction desk lamp with light control compensation of the utility model;
fig. 4 is a schematic circuit structure diagram of the human body induction circuit of the intelligent human body induction table lamp with light-operated compensation of the present invention;
fig. 5 is a schematic circuit structure diagram of the light control circuit of the intelligent human body induction desk lamp with light control compensation of the utility model;
fig. 6 is a schematic circuit structure diagram of the color temperature control circuit of the intelligent human body induction desk lamp with light control compensation of the utility model;
fig. 7 is a schematic circuit structure diagram of an indicator light circuit of the intelligent human body induction table lamp with light-operated compensation of the utility model;
fig. 8 is a schematic circuit structure diagram of the clock circuit and the clock display circuit of the intelligent human body induction desk lamp with light-operated compensation of the present invention;
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a human response desk lamp of intelligence with light-operated compensation aims at the luminance of real-time adjustment desk lamp, avoids the highlight or the weak light damage eyesight of desk lamp, reaches the effect of protection eyes.
Referring to fig. 1, in an embodiment, the utility model provides an intelligent human response desk lamp with light-operated compensation includes the desk lamp main part and locates power module 10, master control circuit 20, luminance detection circuit 40, light control circuit 50 of desk lamp main part, the desk lamp main part has lamp body 11, power module 10 has first voltage output end and second voltage output end, the input of master control circuit 20 with the output of luminance detection circuit 40 is connected, the light control end of master control circuit 20 with the controlled end of light control circuit 50 is connected, the first voltage output end of power module 10 is connected to the input of light control circuit 50, the output of light control circuit 50 with the lamp body 11 is connected, the power end of master control circuit 20 and the power end of luminance detection circuit 40 are connected with the second voltage output end of power module 10 respectively;
the power module 10 is configured to access a power supply, convert the accessed power supply into a first working voltage, output the first working voltage through the first voltage output terminal, convert the first working voltage into a second working voltage, and output the second working voltage through the second voltage output terminal;
the brightness detection circuit 40 is configured to collect brightness of ambient light, convert the brightness into a corresponding first voltage signal, and output the first voltage signal to the main control circuit 20;
the main control circuit 20 is configured to receive the first voltage signal and then control the light control circuit 50 to correspondingly adjust the brightness of the lamp body 11, so as to keep the brightness of the working surface of the desk lamp constant.
In the practical application of desk lamp, the function pattern of desk lamp is various and is all visible, can adjust the desk lamp everywhere that luminance can alternate the lamp colour even, but the desk lamp that has adjustable luminance function on the existing market is mostly manual adjusting luminance, the user is difficult to adjust the desk lamp of manual adjusting luminance accurately to with the assorted light intensity of surrounding environment, eyes are as human fragile organ, the light of desk lamp is too strong or too weak can bring the damage for eyesight, can lead to cataract under the severe condition even.
In this embodiment, brightness detection circuit 40 gathers the luminance of surrounding environment to form corresponding signal of telecommunication and transmit for master control circuit 20, master control circuit 20 control light control circuit 50 corresponds the luminance of adjusting the desk lamp, and this technical scheme passes through brightness detection circuit 40 and light control circuit 50 keep the luminance of working face invariable, have avoided the visual damage problem that people used the desk lamp and caused because of light is too strong or too weak, reach safe eyeshield, convenient energy-conserving beneficial effect. The brightness of the working surface of the desk lamp is kept constant, namely the brightness of the lighting environment of the desk lamp is kept constant, namely the brightness is kept basically constant in a certain environment range after the brightness of the environment is compensated through the desk lamp. Since the desk lamp is generally used for desk lighting or lighting of a small area, the working surface may also be referred to as a lighting table or an area.
In one embodiment, in order to further improve the energy saving performance of the desk lamp, the intelligent human body induction desk lamp with the light control compensation may further include a human body induction circuit 30, wherein an output end of the human body induction circuit 30 is connected to an input end of the main control circuit 20; the main control circuit 20 is further configured to control the light control circuit 50 to drive the lamp body 11 to open when the human body sensing circuit 30 senses a human body movement signal, and the lamp body 11 is turned on and then turned off automatically after a period of time, so as to further improve energy saving performance.
In one embodiment, referring to fig. 1 and fig. 2, the power module 10 includes a first power conversion circuit and a second power conversion circuit, where the first power conversion circuit is used to connect a power supply and convert the connected power supply into a first operating voltage. Namely, the first voltage output end is the output end of the first power supply conversion circuit. And the second power supply conversion circuit is used for converting the power supply voltage output by the first power supply conversion circuit into a second working voltage. Namely, the second voltage output end is the output end of the second power conversion circuit. The first power conversion circuit can be connected with the battery voltage or the commercial power to convert the battery or the commercial power into 12 volts to supply the lamp body for working. The first power conversion circuit may be an AC-DC converter or a DC-DC converter.
In one embodiment, referring to fig. 1 and 3, the main control circuit 20 includes a main control chip U3, the main control chip U3 may adopt an AS126-28B type chip, and all functions of the present invention are realized by the main control chip U3.
The main control chip U3 is provided with a power supply input pin VDD, a brightness detection pin CDS and a light control pin EN; the power input pin VDD is connected to a 5v power end of the power module 10, the brightness detection pin CDS is connected to an output end of the brightness detection circuit 40, and the light control pin EN is connected to a controlled end of the light control circuit 50.
It should be understood that, when the plug of the desk lamp is connected with the power supply, the brightness detection circuit 40 collects the brightness of the ambient light around the desk lamp and converts the brightness into a corresponding first voltage signal, the main control circuit 20 receives the first voltage signal through the brightness detection pin CDS and then judges the brightness of the current environment, and simultaneously outputs a control signal to the light control circuit 50 through the light control pin EN to adjust the brightness corresponding to the lamp body 11, and according to different voltage signals, the main control circuit 20 outputs different control signals to the light control circuit 50 to dim or dim the lamp body 11, so that the brightness of the lighting environment of the desk lamp is always kept constant.
In one embodiment, referring to fig. 1 and 3, the brightness detection circuit 40 includes a photo transistor CDS and a fourth resistor R4, a collector c of the photo transistor CDS is a power supply terminal of the brightness detection circuit 40, the power supply terminal of the brightness detection circuit 40 is connected to a 5v power supply terminal of the power module 10, an emitter e of the photo transistor CDS is connected to a first terminal of the fourth resistor R4, and an interconnection point is connected to an input terminal of the main control circuit 20.
It should be understood that, in daytime or in an environment with sufficient light, the resistance of the phototransistor CDS will be reduced due to the effect of strong light, so that the voltage value of the phototransistor CDS will change along with the change of the resistance, at this time, the main control circuit 20 can acquire different voltage values of the phototransistor CDS, and according to different voltage values, the main control circuit 20 reduces or increases the PWM duty ratio, and the main control circuit 20 outputs the PWM duty ratio signal to the lamp control circuit 50 through the lamp control pin EN to control dimming or brightening of the lamp body 11, so as to implement real-time detection of the brightness of the desk lamp.
In an embodiment, referring to fig. 1 and 5, the light control circuit 50 includes a boost chip U4, a first inductor L1, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, a fourteenth capacitor C14, a fifteenth capacitor C15, a sixteenth capacitor C16, a twenty-fourth capacitor C24, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fifteenth resistor R15, a sixteenth resistor R16, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a twentieth resistor R20, a third triode Q3, a first diode D1, a second diode D2, and a third diode D3;
the boost chip U4 is provided with a power supply input pin VIN, an enable pin EN, a switch control pin SW, a signal output pin FB and a grounding pin GND;
a power input pin VIN of the boost chip U4 is connected to a 12v power end of the power module 10, and interconnection points are respectively connected to a first end of the eleventh resistor R11, a first end of the first inductor L1, a first end of the thirteenth resistor R13, a first end of the twelfth capacitor C12, a first end of the tenth capacitor C10, a first end of the eleventh capacitor C11, and a negative electrode of the first diode D1, a second end of the eleventh resistor R11 is connected to the first end of the twelfth resistor R12, and interconnection points are connected to an emitter e of the third triode Q3, a second end of the twelfth resistor R12 is connected to the first end of the ninth capacitor C9, and interconnection points are connected to a base b of the third triode Q3, a second end of the ninth capacitor C9 is connected to ground, a second end of the eleventh capacitor C11 is connected to the tenth capacitor C10, and interconnection points are connected to ground;
an enable pin EN of the boost chip U4 is connected with the anode of the first diode D1, the mutual connection point is connected with a first end of the fifteenth resistor R15, a second end of the fifteenth resistor R15 is connected with the grounding end of the boost chip U4, and the mutual connection point is grounded;
a switch control pin SW of the boost chip U4 is connected to the second end of the first inductor L1, and a mutual connection point is connected to an anode of the second diode D2, a cathode of the second diode D2 is connected to an anode power supply of the lamp body 11, and the mutual connection point is respectively connected to a cathode of the third diode D3, a first end of a fourteenth capacitor C14, a first end of a fifteenth capacitor C15, and a first end of a sixteenth capacitor C16, a second end of the fourteenth capacitor C14 is connected to a second end of the fifteenth capacitor C15, and the mutual connection point is grounded;
the signal output foot FB of the boost chip U4 is connected to the collector C of the third triode Q3, and the interconnection point is connected to the first end of the sixteenth resistor R16, the first end of the eighteenth resistor R18 and the anode of the third diode D3, the sixteenth resistor R16 is connected to the first end of the seventeenth resistor R17, and the interconnection point is connected to the first end of the twenty-fourth capacitor C24, the second end of the twenty-fourth capacitor C24 is connected to ground, the second end of the seventeenth resistor R17 is the controlled end of the light control circuit 50, the second end of the twenty-fourth capacitor C24 is connected to ground, the second end of the eighteenth resistor R18 is connected to the second end of the sixteenth capacitor C16, and the interconnection point is connected to the first ends of the nineteenth resistor R19 and the twentieth resistor R20, the second end of the nineteenth resistor R19 is connected to the second end of the twentieth resistor R20, and the interconnection point is connected to ground.
In this embodiment, the boost chip U4 may adopt an XL6013 model chip, the working voltage of the boost chip is 12v, and correspondingly, the boost chip is connected to a 12v power end of the power module 10 to implement working, and the light control circuit 50 is composed of the XL6013 model chip and a peripheral circuit which is a DC-DC boost circuit.
It should be understood that the positive electrode of the desk lamp is connected to the output end of the light control circuit 50, the main control circuit 20 outputs a first PWM duty cycle signal to the boost chip U4 through the enable pin EN, and the boost chip U4 and the peripheral circuit DC-DC achieve brightness control of the desk lamp by boosting voltage to the voltage required by the desk lamp panel.
In one embodiment, referring to fig. 1 and 6, the intelligent human body induction table lamp with light control compensation may further include a color temperature control circuit 60, which is characterized by including a twenty-first resistor R21, a twenty-second resistor R22, a first MOS transistor Q1, a twenty-third resistor R23, a twenty-fourth resistor R24, and a second MOS transistor Q2;
the first end of the twenty-first resistor R21 and the first end of the twenty-third resistor R23 are controlled ends of the color temperature control circuit 60, the second end of the twenty-first resistor R21 is connected to the gate G of the first MOS transistor Q1, and the interconnection node is connected to the first end of the twenty-second resistor R22, the source S of the first MOS transistor Q1 is connected to the lamp body 11, the drain D of the first MOS transistor Q1 is connected to the second end of the twenty-second resistor R22, and the interconnection node is grounded, the second end of the twenty-third resistor R23 is connected to the gate G of the second MOS transistor Q2, and the interconnection node is connected to the second end of the twenty-fourth resistor R24, the source S of the second MOS transistor Q2 is connected to the lamp body 11, and the drain D of the second MOS transistor Q2 is connected to the second end of the twenty-fourth resistor R24, and the interconnection points are grounded.
The main control circuit 20 further includes a first color temperature control pin WOUT and a second color temperature control pin YOUT;
the negative pole of desk lamp is connected colour temperature control circuit 60's output, main control circuit 20 passes through first colour temperature control foot WOUT, second colour temperature control foot YIUT output second PWM duty cycle signal extremely grid G of first MOS pipe Q1, second MOS pipe Q2, the utility model discloses a five kinds of colour temperatures of PWM duty cycle output of adjusting two feet to realize the colour temperature switching.
In an embodiment, referring to fig. 1 and 4, the human body sensing circuit 30 may further include a sensing chip U5, a limit switch S1, a fourth triode Q4, a fifth triode Q5, an infrared sensor PIR, a twenty-fifth resistor R25, a twenty-sixth resistor R26, a twenty-seventh resistor R27, a twenty-eighth resistor R28, and a first photodiode LED1;
the induction chip U5 is provided with a power input pin 8, a switch pin 2, a grounding pin 1, an illumination induction pin 3, a human body induction pin 7, a first level pin 6 and a second level pin 5; the power module 10 further has a third voltage output terminal;
the sensing chip U5 can adopt an AS060H type chip, and the working voltage of the sensing chip U5 is 2.5v; the infrared sensor PIR is a pyroelectric sensor of a D210AX model, and the working voltage of the infrared sensor PIR is 2.5v.
The power input pin 8 of the sensing chip U5 is connected with the 2.5v power end of the power module 10, and the interconnection point is connected with the first end of the twenty-sixth resistor R26, the grounding pin 1 of the sensing chip U5 is connected with the ground, and the interconnection point is respectively connected with the second end of the limit switch S1 and the cathode of the first photodiode D1, the switch pin 2 of the sensing chip U5 is connected with the first end of the limit switch S1, the illumination sensing pin 3 of the sensing chip U5 is connected with the first end of the twenty-fifth resistor R25, the second end of the twenty-fifth resistor R25 is connected with the anode of the first photodiode D1, the human body sensing pin 7 of the sensing chip U5 is connected with the infrared sensor PIR, the first horizontal pin 6 of the sensing chip U5 is connected with the second end of the twenty-sixth resistor R26, and the interconnect point with fourth triode Q4 ' S collecting electrode c is connected, fourth triode Q4 ' S base b with twenty-eighth resistance R28 ' S second end is connected, twenty-eighth resistance R28 ' S first end is connected the 5v power end of power module 10, fourth triode Q4 ' S projecting pole e is connected master control circuit 20 ' S first inductive pin P26, inductive chip U5 ' S second level pin 5 is connected the first end of twenty-seventh resistance R27, the second end of twenty-seventh resistance R27 is connected fifth triode Q5 ' S base b, fifth triode Q5 ' S collecting electrode c is connected master control circuit 20 ' S second inductive pin P27, fifth triode Q5 ' S projecting pole e ground connection.
The power module 10 further includes a third power conversion circuit, configured to convert the power voltage output by the second power conversion circuit into a second working voltage, so as to provide power to the human body sensing circuit 30. Namely, the third voltage output end is the output end of the third power conversion circuit.
In an embodiment, the second power conversion circuit 10 includes a first resistor R1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, and a voltage regulation chip U1, the voltage regulation chip U1 may employ an AS7150H type chip, the third power conversion circuit 10 includes a seventeenth capacitor C17, an eighteenth capacitor C18, a nineteenth capacitor C19, a twentieth capacitor C20, and a voltage regulation chip U7, and the voltage regulation chip U7 may employ an AS7125 type chip;
in addition, the second power conversion circuit 10 and the third power conversion circuit 10 jointly form a voltage stabilizing circuit, the voltage stabilizing circuit respectively reduces and stabilizes the 12v voltage of the power module 10 at 5v and 2.5v to supply power to other circuits, and the power module 10 is divided into three ends, namely a 12v power supply end, a reduced 5v power supply end and a reduced 2.5v power supply end.
Further, master control circuit 20 links to each other with the output of response chip U5 in order to obtain human body sensor signal, works as when human body sensor signal is sensed to response chip U5, opens little night-light mode through outputting this signal to master control circuit 20 control. The pyroelectric sensor PIR is internally provided with two sensing elements which are sensitive to infrared signal reaction sent by a human body, when the pyroelectric sensor PIR detects that a person moves, the two sensing elements correspondingly generate electric charges along with the movement of the electric charges to form a potential difference, and meanwhile, the electric charges are amplified by a control unit in the pyroelectric sensor PIR to form a digital signal which is transmitted to the sensing chip U5, the sensing chip U5 collects the signal of the pyroelectric sensor PIR and judges whether the person moves or not so as to form corresponding signal transmission to the main control circuit 20, the main control circuit 20 controls the light control circuit 50 and the color temperature control circuit 60 to light the lamp, so that the function of a small night lamp is realized.
It should be explained that, only when switch foot S1 closed switch on, induction chip U5 is from just can be right pyroelectric sensor PIR carries out signal acquisition, and the control desk lamp lights after sensing the human body, and the automatic extinguishing after 30S. The fourth triode Q4 and the fifth triode Q5 realize a level turnover function so AS to realize communication between the AS060H type sensing chip U5 and the D210AX type pyroelectric sensor PIR.
In one embodiment, referring to fig. 1 and 8, the intelligent human body induction table lamp with optically controlled compensation may further include a clock circuit 90, the clock circuit 90 includes a clock chip U2, the clock chip U2 may adopt a BM8563ESA type clock chip, the operating voltage thereof is 5v, and a power supply terminal thereof is connected to a 5v power supply terminal of the power supply module 10;
the clock chip U2 has a clock signal output pin CLKOUT, and the main control chip 20 also has a clock signal input pin CLK;
the clock signal input pin CLK of the main control circuit 20 obtains real time by receiving the clock signal output from the clock signal output pin CLKOUT.
Further, referring to fig. 1 and 8, the intelligent human body induction desk lamp with light-operated compensation further comprises a clock display circuit 70, wherein the clock display circuit 70 comprises a nixie tube control chip U6, the nixie tube control chip U6 can adopt a TM1650 model digital control chip, the working voltage of the nixie tube control chip is 5v, and a power supply end of the nixie tube control chip is connected with a 5v power supply end of the power supply module 10;
the digital control chip U6 is provided with a first display signal pin SDA and a second display signal pin SCL, and the main control chip 20 is also provided with a first display signal receiving pin SDA and a second display signal receiving pin SCL;
after the main control chip 20 is connected to the clock chip U2 to obtain a time signal, the main control chip 20 transmits the time signal to the first signal display pin SDA and the second signal display pin SCL of the nixie tube control chip U6 respectively through the first display signal receiving pin SDA and the second display signal receiving pin SCL, so as to display real-time through the nixie tube control chip U6.
In one embodiment, referring to fig. 3, the main control chip 20 further includes touch keys including a TK1 key, a TK2 key, a TK3 key, a TK4 key, a TK5 key, a TK6 key, a TK7 key, a TK8 key, and a TK9 key;
the brightness of the table lamp can be adjusted by the TK1 key, the TK2 key, the TK3 key, the TK4 key and the TK5 key, the brightness of a reserved gear can be adjusted, the lowest brightness is achieved when a human hand touches the TK1 key, namely the brightness of a second gear, the brightness of the second gear is achieved when the human hand simultaneously touches the TK1 key and the TK2 key, similarly, the brightness of the third gear is achieved when the TK2 key is touched, the brightness of the fourth gear is achieved when the TK2 key and the TK3 key are touched, the brightness of the fifth gear is achieved when the TK3 key is touched, the brightness of the sixth gear is achieved when the TK3 key and the TK4 key are touched, the brightness of the seventh gear is achieved when the TK4 key is touched, the brightness of the eighth gear is achieved when the TK4 key and the TK5 key are touched, and the highest brightness is achieved when the TK5 key is touched, namely the brightness of the ninth gear.
The TK6 key of the main control chip 20 is an on-off key, the TK7 key is a color temperature adjusting key, the TK8 key is a brightness detection circuit function key, and the TK9 key is a timing key.
Further, referring to fig. 3 and 7, the intelligent human body induction table lamp with light control compensation further includes an indicator lamp circuit 80, and the indicator lamp circuit 80 includes indicator lamps LED2, LED3, LED4, LED5, LED6, LED7, LED8, LED9, LED10, LED11, LED12, LED13, LED14, LED15, LED16, LED17, LED18, LED19, LED20, LED21, LED22, and LED23;
each touch key is provided with a corresponding indicator light, LEDs 5 to 22 are brightness indicator lights, the two indicator lights are a group of brightness gears, and the LEDs 5 and 6 indicate the lowest brightness of the desk lamp; the LED7 and the LED8 indicate the second gear brightness; LED9 and LED10 indicate the third-gear brightness; the LED11 and the LED12 indicate the fourth-gear brightness; the LED13 and the LED14 indicate the brightness of the fifth gear; the LED15 and the LED16 indicate the sixth-gear brightness; the LEDs 17 and 18 indicate the brightness of the seventh gear; the LED19 and the LED20 indicate the brightness of the eighth gear; the LED21 and the LED22 indicate the highest brightness of the desk lamp, and when the human hand slides through the TK1, the TK2, the TK3, the TK4 and the TK5 in sequence, the indicator lamps are sequentially turned on.
LED3 is luminance detection circuit function pilot lamp, and LED4 is the timing function pilot lamp, and LED2 is desk lamp switch pilot lamp, and LED23 is the colour temperature regulation pilot lamp.
Further, referring to fig. 3 and 7, the timing key TK9 of the main control chip U3 has a time delay function, and when the key is pressed for a short time, the timing function indicator light LED4 flashes, and the light is turned off after a time delay of 60 s; if the key is pressed for a long time, the timing function indicator lamp LED4 is on constantly, and the lamp is turned off after timing for 30 min;
and clicking a function key TK8 of the brightness detection circuit 40 to turn on or turn off the brightness acquisition function of the brightness detection circuit 40, and simultaneously, turning on a function indicator lamp LED3 of the brightness detection circuit.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. An intelligent human body induction desk lamp with light-operated compensation is characterized by comprising a desk lamp body, a power module, a main control circuit, a brightness detection circuit and a light control circuit, wherein the power module, the main control circuit, the brightness detection circuit and the light control circuit are arranged on the desk lamp body;
the power supply module is used for accessing a power supply, converting the accessed power supply into a first working voltage, outputting the first working voltage through the first voltage output end, converting the first working voltage into a second working voltage, and outputting the second working voltage through the second voltage output end;
the brightness detection circuit is used for collecting the brightness of ambient light, converting the brightness into a corresponding first voltage signal and outputting the first voltage signal to the main control circuit;
the main control circuit is used for receiving the first voltage signal and then controlling the light control circuit to correspondingly adjust the brightness of the lamp body so as to keep the brightness of the working surface of the desk lamp constant.
2. The intelligent human body induction desk lamp with light-controlled compensation according to claim 1, further comprising a color temperature control circuit, wherein a controlled end of the color temperature control circuit is connected to a light control end of the main control circuit;
the color temperature control circuit is used for adjusting the color temperature of the lamp body.
3. The intelligent human body induction desk lamp with the light-operated compensation function according to claim 1, further comprising a human body induction circuit, wherein an output end of the human body induction circuit is connected with an input end of the main control circuit;
the main control circuit is also used for controlling the light control circuit to drive the lamp body to be opened when the human body induction circuit senses a human body movement signal.
4. The intelligent human body induction desk lamp with light control compensation as claimed in claim 1, wherein the master control circuit comprises a master control chip, the master control chip is provided with a power input pin, a brightness detection pin and a light control pin;
the power input pin is connected with the second voltage output end of the power module, the brightness detection pin is connected with the output end of the brightness detection circuit, and the light control pin is connected with the controlled end of the light control circuit.
5. The intelligent human body induction desk lamp with light-operated compensation according to claim 1, wherein the brightness detection circuit comprises a phototransistor and a fourth resistor, a collector of the phototransistor is a power supply end of the brightness detection circuit, an emitter of the phototransistor is connected with a first end of the fourth resistor, and an interconnection point is connected with an input end of the main control circuit.
6. The intelligent human body induction desk lamp with the light-controlled compensation function according to claim 1, wherein the light control circuit comprises a boost chip, a first inductor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a twenty-fourth capacitor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fifteenth resistor, a sixteenth resistor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, a third triode, a first diode, a second diode and a third diode;
the boost chip is provided with a power input pin, an enabling pin, a switch control pin, a signal output pin and a grounding pin;
a power input pin of the boost chip is connected with a first voltage output end of the power module, and interconnection points are respectively connected with a first end of the eleventh resistor, a first end of the first inductor, a first end of the thirteenth resistor, a first end of the twelfth capacitor, a first end of the tenth capacitor, a first end of the eleventh capacitor and a negative electrode of the first diode, a second end of the eleventh resistor is connected with a first end of the twelfth resistor, an interconnection point is connected with an emitter of the third triode, a second end of the twelfth resistor is connected with a first end of the ninth capacitor, an interconnection point is connected with a base of the third triode, a second end of the ninth capacitor is grounded, a second end of the eleventh capacitor is connected with the tenth capacitor, and interconnection points are grounded;
the enabling pin of the boosting chip is connected with the anode of the first diode, the mutual connection point is connected with the first end of the fifteenth resistor, the second end of the fifteenth resistor is connected with the grounding end of the boosting chip, and the mutual connection point is grounded;
a switch control pin of the boosting chip is connected with a second end of the first inductor, and interconnection points are connected with an anode of the second diode, a cathode of the second diode is connected with an anode power supply of the lamp body, the interconnection points are respectively connected with a cathode of the third diode, a first end of a fourteenth capacitor, a first end of a fifteenth capacitor and a first end of a sixteenth capacitor, a second end of the fourteenth capacitor is connected with a second end of the fifteenth capacitor, and the interconnection points are grounded;
the signal output foot of chip that steps up with the collecting electrode of third triode is connected, and the interconnection point respectively with the first end of sixteenth resistance, the first end of eighteenth resistance and the positive pole of third diode are connected, the sixteenth resistance with the first end of seventeenth resistance is connected, and the interconnection point with the first end of twenty-fourth electric capacity is connected, the second end ground connection of twenty-fourth electric capacity is connected, the second end of seventeenth resistance does light control circuit's controlled terminal, the second end ground connection of twenty-fourth electric capacity is connected, the second end of eighteenth resistance is connected the second end of sixteenth electric capacity, and the interconnection point respectively with the first end of nineteenth resistance and twentieth resistance is connected, the second end of nineteenth resistance with the second end of twentieth resistance is connected, and mutual ground connection connects.
7. The intelligent human body induction desk lamp with the light control compensation function according to claim 2, wherein the color temperature control circuit comprises a twenty-first resistor, a twenty-second resistor, a first MOS (metal oxide semiconductor) transistor, a twenty-third resistor, a twenty-fourth resistor and a second MOS transistor;
the first end of the twenty-first resistor and the first end of the twenty-third resistor are controlled ends of the color temperature control circuit, the second end of the twenty-first resistor is connected with the grid electrode of the first MOS transistor, an interconnection node is connected with the first end of the twenty-second resistor, the source electrode of the first MOS transistor is connected with the desk lamp, the drain electrode of the first MOS transistor is connected with the second end of the twenty-second resistor, and the interconnected nodes are grounded, the second end of the twenty-third resistor is connected with the grid electrode of the second MOS tube, the interconnected nodes are connected with the second end of the twenty-fourth resistor, the source electrode of the second MOS tube is connected with the desk lamp, the drain electrode of the second MOS tube is connected with the second end of the twenty-fourth resistor, and the interconnected nodes are grounded.
8. The intelligent body-sensing desk lamp with optically controlled compensation of claim 3, wherein the power module further has a third voltage output, the body-sensing circuit comprises a sense chip, a limit switch, a first triode, a second triode, an infrared sensor, a twenty-fifth resistor, a twenty-sixth resistor, a twenty-seventh resistor, a twenty-eighth resistor and a first photodiode, the sense chip has a power input pin, a switch pin, a ground pin, a lighting sense pin, a body sense pin, a first level pin, a second level pin;
the power input pin of the inductive chip is connected with the third voltage output end of the power module, a mutual connection point is connected with the first end of the twenty-sixth resistor, the grounding pin of the inductive chip is connected with the ground, the mutual connection point is respectively connected with the second end of the limit switch and the cathode of the first photosensitive diode, the switch pin of the inductive chip is connected with the first end of the limit switch, the illumination inductive pin of the inductive chip is connected with the first end of the twenty-fifth resistor, the second end of the twenty-fifth resistor is connected with the anode of the first photosensitive diode, the human body inductive pin of the inductive chip is connected with the infrared sensor, the first level pin of the inductive chip is connected with the second end of the twenty-sixth resistor, the mutual connection point is connected with the collector electrode of the first triode, the base electrode of the first triode is connected with the second end of the twenty-eighth resistor, the first end of the twenty-eighth resistor is connected with the third voltage output end of the power module, the emitter electrode of the first triode is connected with the first inductive pin of the master control circuit, the second level pin of the inductive chip is connected with the second end of the twenty-seventh resistor, the emitter electrode of the master control circuit is connected with the second inductive resistor, and the emitter electrode of the second triode, the second inductive chip is connected with the second end of the second inductive circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221745841.1U CN218550235U (en) | 2022-07-07 | 2022-07-07 | Intelligent human body induction desk lamp with light-operated compensation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221745841.1U CN218550235U (en) | 2022-07-07 | 2022-07-07 | Intelligent human body induction desk lamp with light-operated compensation |
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| CN218550235U true CN218550235U (en) | 2023-02-28 |
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| CN202221745841.1U Active CN218550235U (en) | 2022-07-07 | 2022-07-07 | Intelligent human body induction desk lamp with light-operated compensation |
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