CN204721657U - A kind of intelligent LED desk lamp - Google Patents
A kind of intelligent LED desk lamp Download PDFInfo
- Publication number
- CN204721657U CN204721657U CN201520330749.2U CN201520330749U CN204721657U CN 204721657 U CN204721657 U CN 204721657U CN 201520330749 U CN201520330749 U CN 201520330749U CN 204721657 U CN204721657 U CN 204721657U
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- Prior art keywords
- chip microcomputer
- led
- button
- module
- illumination
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of intelligent LED desk lamp, have manually and automatic two kinds of mode of operations, regulating illumination intensity manually or automatically can be needed according to user.It comprises single-chip microcomputer, LED illumination module, reset circuit, power module, light-sensitive element and key-press module; Light-sensitive element is connected with the input of single-chip microcomputer by analog to digital converter; LED illumination module is made up of some LED illumination unit be connected in parallel, LED illumination unit is made up of some LED forward in parallel, the positive pole of LED is electrically connected with power module, negative pole is electrically connected with the emitter of triode Q1, the base stage of triode Q1 is connected with the input of single-chip microcomputer by current-limiting resistance R7, and the collector electrode of triode Q1 passes through wired earth; Key-press module at least comprises manual/auto mode selection button K1, illumination strengthens button K2 and illumination weakens button K3, and each button in key-press module is connected with the input end signal of single-chip microcomputer respectively.
Description
Technical field
The utility model relates to a kind of intelligent LED desk lamp, belongs to technical field of lighting fixtures.
Background technology
Desk lamp has been the indispensable daily necessities of huge numbers of families.Prior art Table lamp structure is simple, and when the evening draws on, people need to feel about in the dark to turn on light, very inconvenient also dangerous, and prior art desk lamp can not environmentally adjust light in brightness, the illumination requirement of user to different occasion can not be met, and the waste easily causing electric energy unnecessary.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, provides a kind of intelligent LED desk lamp, has manually and automatic two kinds of mode of operations, can need regulating illumination intensity manually or automatically according to user.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of intelligent LED desk lamp, comprise single-chip microcomputer, LED illumination module, reset circuit, power module, for gather the light levels of LED illumination module light-sensitive element and for mode of operation select key-press module;
Described light-sensitive element is connected with the input of single-chip microcomputer by analog to digital converter;
Described reset circuit is connected with the reset terminal of single-chip microcomputer;
Described LED illumination module is made up of some LED illumination unit be connected in parallel, LED illumination unit is made up of some LED forward in parallel, the positive pole of LED is electrically connected with power module, negative pole is electrically connected with the emitter of triode Q1, the base stage of triode Q1 is connected with the input of single-chip microcomputer by current-limiting resistance R7, and the collector electrode of triode Q1 passes through wired earth;
Described key-press module at least comprises manual/auto mode selection button K1, illumination strengthens button K2 and illumination weakens button K3, and each button in key-press module is connected with the input end signal of single-chip microcomputer respectively.
Further, the output of described single-chip microcomputer is also connected with the LED indicating module for mode of operation instruction, described LED indicating module comprises the different LED light of the luminous color that arranges with the button one_to_one corresponding in key-press module, the positive pole of each LED light is electrically connected with power module respectively by respective current-limiting resistance, and negative pole is connected with single-chip microcomputer.
Preferably, described LED selects straw hat type white light LEDs.
Further, described reset circuit comprises reset button, capacitor C3 and resistance R11, the positive pole connection standard voltage source of capacitor C3, ground connection after negative pole series resistance R11, reset button series resistance R
xbe connected with the reset terminal of single-chip microcomputer afterwards; The negative pole of capacitor C3 is by the reset terminal short circuit of wire and single-chip microcomputer.
Preferably, described single-chip microcomputer adopts STC89C51 type single-chip microcomputer or STC89C52 type single-chip microcomputer.
Preferably, ADC0809 type selected by described analog to digital converter.
Compared with prior art, the utility model reaches
beneficial effectbe: user according to actual needs, selects mode of operation manually or automatically by key-press module: during manual work that single-chip microcomputer weakens the signal of button K3 input according to illumination enhancing button K2 and illumination, adopt PWM technology to regulate the intensity of illumination of LED illumination module; During automatic operation, single-chip microcomputer is by the brightness of light-sensitive element Real-time Collection surrounding enviroment, and the same PWM of employing technology regulates the intensity of illumination of LED illumination module; The utility model possesses manually and automatic two kinds of mode of operations, can according to the actual needs of user, and adjusting ambient brightness manually or automatically, meets user's different light demand, make full use of electric energy, avoid the wasting of resources.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model.
Fig. 2 is workflow diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection range of the present utility model with this.
As shown in Figure 1, be circuit diagram of the present utility model, comprise single-chip microcomputer, LED illumination module, reset circuit, for gather the light levels of LED illumination module light-sensitive element and for mode of operation select key-press module.Preferably, single-chip microcomputer adopts STC89C51 type single-chip microcomputer or STC89C52 type single-chip microcomputer.
LED illumination module is made up of some LED illumination unit be connected in parallel, LED illumination unit is made up of some LED forward in parallel, the positive pole of LED is electrically connected with power module, negative pole is electrically connected with the emitter of triode Q1, the base stage of triode Q1 is connected with the input of single-chip microcomputer by current-limiting resistance R7, and the collector electrode of triode Q1 passes through wired earth.Preferably, LED selects straw hat type white light LEDs.
Reset circuit adopts hand-reset, comprises reset button SB1, capacitor C3 and resistance R11, the positive pole connection standard voltage source V CC of capacitor C3, ground connection after negative pole series resistance R11.Reset button series resistance R
xbe connected with the reset terminal of single-chip microcomputer afterwards.The negative pole of capacitor C3 is by the reset terminal short circuit of wire and single-chip microcomputer.Reset button SB1 presses, and the reset terminal of single-chip microcomputer obtains high level, monolithic processor resetting, and reset button SB1 unclamps, and single-chip microcomputer is started working.
Light-sensitive element can select photo resistance, and photo resistance is connected with the input of single-chip microcomputer by analog to digital converter.Preferably, ADC0809 type selected by analog to digital converter.
Key-press module at least comprises manual/auto mode selection button K1, illumination strengthens button K2 and illumination weakens button K3, and each button in key-press module is connected with the input end signal of single-chip microcomputer respectively.Wherein one of them pin correspondence of button K1, button K2 and button K3 is received on single-chip microcomputer pin P15, P16, P17, and the other end altogether.As there being button to press in key-press module, the corresponding pin of single-chip microcomputer will be pulled to low level, then makes corresponding action.SET button, i.e. K1 button are mode keys, for switching manual adjustments PWM and pulsewidth; ADD button (K1 button) and SUB button (K3 button) are adding button, subtracting button, for revising the length of pulsewidth respectively.
The output of single-chip microcomputer is also connected with the LED indicating module for mode of operation instruction, LED indicating module comprises the different LED light of the luminous color that arranges with the button one_to_one corresponding in key-press module, the positive pole of each LED light is electrically connected with power module respectively by respective current-limiting resistance, and negative pole is connected with single-chip microcomputer.
Single-chip microcomputer is also connected with crystal oscillating circuit, comprises crystal-vibration-chip Y1, electric capacity C1 and electric capacity C2.
As shown in Figure 2, be workflow diagram of the present utility model.User according to actual needs, selects mode of operation manually or automatically by key-press module, is defaulted as automatic operation mode.During manual work, single-chip microcomputer weakens the signal of button K3 input according to illumination enhancing button K2 and illumination, adopts PWM technology to regulate the intensity of illumination of LED illumination module; During automatic operation, single-chip microcomputer is by the brightness of light-sensitive element Real-time Collection surrounding enviroment, and the same PWM of employing technology regulates the intensity of illumination of LED illumination module.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection range of the present utility model.
Claims (6)
1. an intelligent LED desk lamp, is characterized in that, comprise single-chip microcomputer, LED illumination module, reset circuit, power module, for gather the light levels of LED illumination module light-sensitive element and for mode of operation select key-press module;
Described light-sensitive element is connected with the input of single-chip microcomputer by analog to digital converter;
Described reset circuit is connected with the reset terminal of single-chip microcomputer;
Described LED illumination module is made up of some LED illumination unit be connected in parallel, LED illumination unit is made up of some LED forward in parallel, the positive pole of LED is electrically connected with power module, negative pole is electrically connected with the emitter of triode Q1, the base stage of triode Q1 is connected with the input of single-chip microcomputer by current-limiting resistance R7, and the collector electrode of triode Q1 passes through wired earth;
Described key-press module at least comprises manual/auto mode selection button K1, illumination strengthens button K2 and illumination weakens button K3, and each button in key-press module is connected with the input end signal of single-chip microcomputer respectively.
2. intelligent LED desk lamp according to claim 1, it is characterized in that, the output of described single-chip microcomputer is also connected with the LED indicating module for mode of operation instruction, described LED indicating module comprises the different LED light of the luminous color that arranges with the button one_to_one corresponding in key-press module, the positive pole of each LED light is electrically connected with power module respectively by respective current-limiting resistance, and negative pole is connected with single-chip microcomputer.
3. intelligent LED desk lamp according to claim 2, is characterized in that, described LED selects straw hat type white light LEDs.
4. intelligent LED desk lamp according to claim 1, is characterized in that, described reset circuit comprises reset button, capacitor C3 and resistance R11, the positive pole connection standard voltage source of capacitor C3, ground connection after negative pole series resistance R11, reset button series resistance R
xbe connected with the reset terminal of single-chip microcomputer afterwards; The negative pole of capacitor C3 is by the reset terminal short circuit of wire and single-chip microcomputer.
5. intelligent LED desk lamp according to claim 1, is characterized in that, described single-chip microcomputer adopts STC89C51 type single-chip microcomputer or STC89C52 type single-chip microcomputer.
6. intelligent LED desk lamp according to claim 1, is characterized in that, ADC0809 type selected by described analog to digital converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330749.2U CN204721657U (en) | 2015-05-21 | 2015-05-21 | A kind of intelligent LED desk lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520330749.2U CN204721657U (en) | 2015-05-21 | 2015-05-21 | A kind of intelligent LED desk lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204721657U true CN204721657U (en) | 2015-10-21 |
Family
ID=54320613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520330749.2U Expired - Fee Related CN204721657U (en) | 2015-05-21 | 2015-05-21 | A kind of intelligent LED desk lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204721657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902629A (en) * | 2015-05-21 | 2015-09-09 | 苏州工业职业技术学院 | Intelligent LED table lamp |
| CN106247211A (en) * | 2016-09-06 | 2016-12-21 | 安徽大学 | Intelligent dimming table lamp and dimming control system thereof |
-
2015
- 2015-05-21 CN CN201520330749.2U patent/CN204721657U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104902629A (en) * | 2015-05-21 | 2015-09-09 | 苏州工业职业技术学院 | Intelligent LED table lamp |
| CN106247211A (en) * | 2016-09-06 | 2016-12-21 | 安徽大学 | Intelligent dimming table lamp and dimming control system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20160521 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |