CN206835419U - A kind of automatic switch and the intelligent desk lamp of light modulation - Google Patents
A kind of automatic switch and the intelligent desk lamp of light modulation Download PDFInfo
- Publication number
- CN206835419U CN206835419U CN201720711566.4U CN201720711566U CN206835419U CN 206835419 U CN206835419 U CN 206835419U CN 201720711566 U CN201720711566 U CN 201720711566U CN 206835419 U CN206835419 U CN 206835419U
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- China
- Prior art keywords
- controller
- circuit
- desk lamp
- triode
- light modulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The utility model discloses a kind of automatic switch and the intelligent desk lamp of light modulation, including controller, pyroelectric infrared sensor, thermistor, lighting control circuit and display circuit；The signal output part of the pyroelectric infrared sensor and thermistor is connected to an input port of the controller by sensing signal processing module；The signal input part of the lighting control circuit and display circuit is respectively connecting to a different output port of the controller；The lighting control circuit includes some LED bulbs and lamplight brightness adjustment module, and each LED bulb is in parallel, and the lamplight brightness adjustment module is connected between the controller and the LED bulb；The display circuit includes clock display module and accumulative learning time display module.Intelligence degree of the present utility model greatly improves, and relatively has hommization, and user experience is good.
Description
Technical field
It the utility model is related to a kind of desk lamp, more particularly to a kind of automatic switch and the intelligent desk lamp of light modulation.
Background technology
At present, the desk lamp species that light fixture in the market is sold is various, is generally powered using 220V AC powers, with manual
Switch or touch-induction-type open the light to control, and intelligence degree is low, and user experience is poor.There is some disadvantages for this kind of desk lamp
End, if voltage is uneasy full voltage, unsafe factor is brought to people's use；Desk lamp is generally all based on fluorescent lamp, typically
Between several watts to tens watts, power consumption is big；Need manually operated, people often forget to turn off the light, and cause the waste of electric energy.
Utility model content
The purpose of this utility model, which solves current desk lamp, needs hand control switch, potential safety hazard be present, when forgetting light lamp
Waste of energy is caused, intelligence degree is low, the technical problem of user experience difference.
To achieve these goals, the utility model provides the intelligent desk lamp of a kind of automatic switch and light modulation, including control
Device, pyroelectric infrared sensor, thermistor, lighting control circuit and display circuit；
The pyroelectric infrared sensor is connected with the signal output part of thermistor by sensing signal processing module
To an input port of the controller；
The signal input part of the lighting control circuit and display circuit is respectively connecting to a difference of the controller
Output port；
The lighting control circuit includes some LED bulbs and lamplight brightness adjustment module, and each LED bulb is in parallel,
The lamplight brightness adjustment module is connected between the controller and the LED bulb；
The display circuit includes clock display module and accumulative learning time display module.
Further, in addition to infrared distance sensor and buzzer alert circuit；
The signal output part of the infrared distance sensor is connected to an input port of the controller, the buzzing
The signal input part of device alert circuit is connected to an output port of the controller；
The distance that the buzzer alert circuit is measured by the infrared distance sensor triggers.
Further, in addition to parameter setting circuit；
The parameter setting circuit is connected to an input port of the controller；
The parameter setting circuit includes gauged distance input block between learning time input block and people's table.
Further, the lamplight brightness adjustment module includes pulse width modulation circuit.
Further, the pulse width modulation circuit includes two triodes, wherein the colelctor electrode of the first triode leads to
The emitter stage that first resistor is connected to the second triode is crossed, the colelctor electrode of the first triode is connected to the two or three by second resistance
The base stage of pole pipe, the colelctor electrode of the second triode are connected to the positive pole of the LED bulb, and the emitter stage of the first triode is connected to
The negative pole of the LED bulb, the base stage of the first triode are connected to an output port of the controller by 3rd resistor.
Compared with prior art, the beneficial effects of the utility model are：
Whether someone is close by pyroelectric infrared sensor automatic sensing for the utility model, when someone close to when can be automatic
Desk lamp illumination is opened, personnel can close desk lamp automatically after leaving；
The brightness of surrounding environment light back light light control circuit energy Self Adaptive Control desk lamp, environment are detected by photo resistance
Raise desk lamp brightness during dark, otherwise reduce desk lamp brightness；
The effect of infrared distance sensor is embodied in two aspects, first, measurement desk lamp user or learner and desk lamp
Or the distance between desk, buzzer warning is triggered when the distance is less than preset value, prompts learner closely to be needed very much from books
Sitting posture is adjusted, protects eyesight；Second, when learner's study has been tired out and lain prone in respite on desk, detect less than presence of people, then from
It is dynamic to close desk lamp, save electric energy；
The duration of also settable study, time trigger buzzer after and remind learner to have a short interval, and alleviate eyes
Fatigue；The cumulative time once learnt can be further shown on the display of display module, facilitate study plan formulation and
Perform；
In a word, intelligence degree of the present utility model greatly improves, and relatively has hommization, and user experience is good.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is the theory diagram of the utility model one embodiment；
Fig. 2 is the theory diagram of second embodiment of the utility model；
Fig. 3 is the theory diagram of the 3rd embodiment of the utility model；
Fig. 4 is pyroelectric infrared sensor and photo resistance signal acquisition schematic diagram；
Fig. 5 is the schematic diagram of lighting control circuit one embodiment.
Embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
Embodiment 1
As shown in figure 1, a kind of automatic switch and light modulation intelligent desk lamp, including controller 1, pyroelectric infrared sensor 2,
Thermistor 3, lighting control circuit 5 and display circuit 6；
The signal output part of pyroelectric infrared sensor 2 and thermistor 3 is connected to by sensing signal processing module 4
One input port of controller 1；
The signal input part of lighting control circuit 5 and display circuit 6 is respectively connecting to a different output of controller 1
Port；
Lighting control circuit 5 includes some LED bulbs and lamplight brightness adjustment module, and each LED bulb is in parallel, lamplight brightness
Adjustment module is connected between controller and LED bulb；Whether someone is close for the automatic sensing of pyroelectric infrared sensor 2, when having
People close to when can automatically turn on desk lamp illumination, personnel can close desk lamp automatically after leaving；Surrounding environment is detected by photo resistance 3
The brightness of the energy of lighting control circuit 5 Self Adaptive Control desk lamp, raises desk lamp brightness after light when ambient light is dark, otherwise drop
Low desk lamp brightness；Controller 1 can use 89C51 type single-chip microcomputers, and control program is conventional measurement and control program；
Display circuit 6 includes clock display module and accumulative learning time display module, and clock display module is used to show
Current time, add up learning time display module and be used to show the accumulative learning time since being opened desk lamp, facilitate learner
Formulate and perform study plan.
Embodiment 2
As shown in Fig. 2 infrared distance sensor 7 and buzzer alert circuit 8 are added on the basis of embodiment 1；It is red
The signal output part of outer distance measuring sensor 7 is connected to an input port of controller 1, and the signal of buzzer alert circuit 8 is defeated
Enter the output port that end is connected to controller 1；The distance that buzzer alert circuit 8 is measured by infrared distance sensor 7 is touched
Hair, specifically, the effect of infrared distance sensor 7 are embodied in two aspects, first, measurement desk lamp user or learner and platform
The distance between lamp or desk, the buzzer warning in buzzer alert circuit 8 is triggered when the distance is less than preset value, is prompted
Learner closely needs very much to adjust sitting posture from books, protects eyesight；Second, when learner's study has been tired out and lain prone in respite on desk,
Detection then closes desk lamp, saves electric energy automatically less than presence of people.
Embodiment 3
As shown in figure 3, parameter setting circuit 9 is added on the basis of embodiment 2；Parameter setting circuit 9 is connected to control
One input port of device 1 processed；It is single that parameter setting circuit 9 includes gauged distance input between learning time input block and people's table
Member, learning time input block are used to input duration for once learning, that is, formulate study plan, gauged distance between people's table
Input block is used for the optimum distance inputted between the people for being advantageous to protect eyesight and desk, when infrared distance sensor 7 measures
Buzzer warning of people's table distance when being less than the setpoint distance in triggering buzzer alert circuit 8.
Fig. 4 is pyroelectric infrared sensor and photo resistance signal acquisition schematic diagram, and wherein sensing signal processing module 4 is adopted
With dedicated IC chip BISS0001, the infrared ray centre wavelength of human body radiation is 9-10 μm, pyroelectric infrared sensor
The sensitive for infrared radiation that 2 pairs of wavelength are 10 μm or so, wavelength can be changed into telecommunications by it for the infrared signal between 8-12 μm
Number, and it is inhibited to the white light signal in nature, so other objects than the human body will not trigger probe
Action.The pyroelectricity member being mutually in series in the opposite direction comprising two electric polarization in probe, when without human motion, environmental background spoke
Penetrate and two heat are released with element almost with identical effect, its caused release effect is cancelled out each other, then detector is without letter
Number output.Once people enters in search coverage, human infrared radiation is focused on by partial mirror, and is received by pyroelectricity member, two
The heat that piece pyroelectricity member receives is different, and pyroelectricity is also different, it is impossible to offsets, then just produces electric signal, is sent to integrated electricity
Road BISS0001.
Photo resistance 3 is used for detecting ambient light illumination in Fig. 4, and when extraneous light intensity is stronger, the resistance value of photo resistance 3 can drop
It is low, the input of integrated circuit BISS0001 VC pins is remained low level, so as to block trigger signal, integrated circuit
BISS0001 detects low level；When extraneous light intensity is weaker, the resistance value of photo resistance 3 can be very big, makes integrated circuit
The input of BISS0001 VC pins remains high level, and trigger signal is effective, and integrated circuit BISS0001 detects high level,
An I/O port of controller 1 is delivered to by Vo pins after filtering and amplifying circuit and delay circuit in it.
Fig. 5 is the schematic diagram of one embodiment of lighting control circuit 5, and n LED bulb D1-Dn uses commoncathode
Parallel connection, two triodes Q1 and Q2 form pulse width modulation circuit, wherein the first triode Q1 colelctor electrode passes through the first electricity
Resistance R1 is connected to the second triode Q2 emitter stage, and the first triode Q1 colelctor electrode is connected to the two or three by second resistance R2
Pole pipe Q2 base stage, the second triode Q2 colelctor electrode are connected to the positive pole of LED bulb, the first triode Q1 emitter stage connection
To the negative pole of LED bulb, the first triode Q1 base stage is connected to an I/O port of controller 1 by 3rd resistor R3, when
During the I/O mouths port output high level of controller 1, Q1 conductings, Q2 base stage is low level, and Q2 conductings, LED in parallel is just
Pole has just been connected on power supply, and lamp is lit, and when the I/O ports of controller 1 export low level, Q1 ends, and Q2 base stage is electric
Resistance is drawn high, and Q2 cut-offs, the positive pole of parallel connection LED does not connect power supply, and lamp is off.As the PWM that the I/O ports of controller 1 export（Pulse
Width modulated）When pulse frequency is higher, it is possible to the brightness of LED is controlled by the dutycycle of pwm pulse.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the utility model is by institute
Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim
All changes are included in the utility model.Any reference in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. automatic switch and the intelligent desk lamp of light modulation, it is characterised in that：Including controller, pyroelectric infrared sensor, temperature-sensitive electricity
Resistance, lighting control circuit and display circuit；
The signal output part of the pyroelectric infrared sensor and thermistor is connected to institute by sensing signal processing module
State an input port of controller；
The signal input part of the lighting control circuit and display circuit be respectively connecting to one of the controller it is different defeated
Exit port；
The lighting control circuit includes some LED bulbs and lamplight brightness adjustment module, and each LED bulb is in parallel, described
Lamplight brightness adjustment module is connected between the controller and the LED bulb；
The display circuit includes clock display module and accumulative learning time display module.
2. automatic switch according to claim 1 and the intelligent desk lamp of light modulation, it is characterised in that：Also include infrared distance measurement to pass
Sensor and buzzer alert circuit；
The signal output part of the infrared distance sensor is connected to an input port of the controller, and the buzzer carries
The signal input part of awake circuit is connected to an output port of the controller；
The distance that the buzzer alert circuit is measured by the infrared distance sensor triggers.
3. automatic switch according to claim 2 and the intelligent desk lamp of light modulation, it is characterised in that：Also include parameter setting electricity
Road；
The parameter setting circuit is connected to an input port of the controller；
The parameter setting circuit includes gauged distance input block between learning time input block and people's table.
4. automatic switch according to claim 3 and the intelligent desk lamp of light modulation, it is characterised in that：The lamplight brightness regulation
Module includes pulse width modulation circuit.
5. automatic switch according to claim 4 and the intelligent desk lamp of light modulation, it is characterised in that：The pulse width modulation
Circuit includes two triodes, wherein the colelctor electrode of the first triode is connected to the transmitting of the second triode by first resistor
Pole, the colelctor electrode of the first triode are connected to the base stage of the second triode by second resistance, and the colelctor electrode of the second triode connects
The positive pole of the LED bulb is connected to, the emitter stage of the first triode is connected to the negative pole of the LED bulb, the first triode
Base stage is connected to an output port of the controller by 3rd resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711566.4U CN206835419U (en) | 2017-06-19 | 2017-06-19 | A kind of automatic switch and the intelligent desk lamp of light modulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711566.4U CN206835419U (en) | 2017-06-19 | 2017-06-19 | A kind of automatic switch and the intelligent desk lamp of light modulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206835419U true CN206835419U (en) | 2018-01-02 |
Family
ID=60775093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720711566.4U Expired - Fee Related CN206835419U (en) | 2017-06-19 | 2017-06-19 | A kind of automatic switch and the intelligent desk lamp of light modulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206835419U (en) |
-
2017
- 2017-06-19 CN CN201720711566.4U patent/CN206835419U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20180619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |