CN104315448A - Colorful LED small night lamp - Google Patents
Colorful LED small night lamp Download PDFInfo
- Publication number
- CN104315448A CN104315448A CN201410559827.6A CN201410559827A CN104315448A CN 104315448 A CN104315448 A CN 104315448A CN 201410559827 A CN201410559827 A CN 201410559827A CN 104315448 A CN104315448 A CN 104315448A
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- CN
- China
- Prior art keywords
- led
- guide plate
- light guide
- lamp
- module
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a colorful LED small night lamp which comprises a body, a soft light cover, a light guide plate, lamp strips and a control circuit. The soft light cover is fixedly mounted on the body, the light guide plate is arranged in the body, the lamp strips are arranged on the side surfaces of the light guide plate, LED lamps are arranged on the lamp strips and comprise LEDs with more than two colors, the control circuit comprises a central control module, a constant-current power supply module, more than two groups of LED dimming driving modules and a signal input module, power supplies are respectively outputted to the LED dimming driving modules by the constant-current power supply module, the LED lamps in the single corresponding color are respectively driven by each group of LED dimming driving modules, LED switching signals and dimming signals are respectively outputted to the central control module by the signal input module, and the LED dimming driving modules work under the control of the central control module. The colorful LED small night lamp has the advantages that colorful and color changing effects can be realized, the service interest can be improved in service procedures, and psychological needs of people can be met.
Description
Technical field
The present invention discloses a kind of LED, particularly one and dazzles color LED night lamp, belongs to furniture lighting technical field.
Background technology
Along with the development of LED illumination technology, the application of LED in people's life gets more and more, and range of application is also more and more extensive.LED illumination lamp, LED spotlight, LEDbulb lamp, LED lamp tube and LED night lamp etc. are rooted in the hearts of the people already, at present, what use in LED illumination is all monochromatic LED usually, and common is cold white and warm white two kinds, tone is single, can not meet the psychological needs of people gradually.
Summary of the invention
For adopt in the above-mentioned LED illumination of the prior art mentioned for monochromatic LED, the shortcoming that tone is single, the invention provides a kind of newly dazzle color LED night lamp, it adopts three-color LED light, coordinates light adjusting circuit work, can realize variable color and dazzle color effect.
The technical scheme that the present invention solves the employing of its technical problem is: one dazzles color LED night lamp, mini light night comprises main body, soft light cover, light guide plate, lamp bar and control circuit, soft light cover is fixedly mounted in main body, light guide plate is arranged in main body, lamp bar is arranged on light guide plate side, lamp bar is provided with LED, LED comprises the LED of two or more color, described control circuit comprises central control module, constant-current source module, LED light modulation driver module more than two and signal input module, constant-current source module out-put supply gives LED light modulation driver module respectively, often organizing LED light modulation driver module drives a kind of LED of color luminous respectively, the switching signal of signal input module input LED and dim signal are to central control module, central control module control LED light modulation driver module works.
The technical scheme that the present invention solves the employing of its technical problem further comprises:
Described LED light modulation driver module comprises metal-oxide-semiconductor and triode, and light drive singal inputs to the base stage of triode, the collector and emitter of triode be connected to and the grid of metal-oxide-semiconductor between, by metal-oxide-semiconductor driving LED.
Described metal-oxide-semiconductor adopts P-channel field-effect transistor (PEFT) pipe.
The plate object that described light guide plate adopts transparent material to make, the exiting surface of light guide plate is provided with guide-lighting site.
Described guide-lighting site is salient point or the groove of the distribution in matrix type.
Described light guide plate is square, and lamp bar is provided with four, and four sides corresponding respectively to light guide plate are arranged.
Described control circuit is arranged on circuit boards, and circuit board and light guide plate are fixedly installed togather.
Be installed with shadow shield above described lamp bar, shadow shield shelters from LED lamp bar.
Described main body is provided with more than one control button, and control button is electrically connected with control circuit, is controlled the switch of lamp bar by control button.
Also be provided with lithium battery in described main body, powered by lithium battery to LED, main body is provided with to the charging inlet of lithium cell charging, or main body is provided with external power interface, is powered directly to LED by external power supply.
The invention has the beneficial effects as follows: the present invention can realize dazzling color color changeable effect, add the use temperament and interest in use procedure, meet the psychological needs of people.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is that the present invention faces structural representation.
Fig. 3 is decomposing state structural representation of the present invention.
Fig. 4 is circuit block diagram of the present invention.
In figure, 1-main body, 2-soft light cover, 3-control button, 4-circuit board, 5-light guide plate, 6-lamp bar, 7-shadow shield.
Detailed description of the invention
The present embodiment is the preferred embodiment for the present invention, and other its principles all are identical with the present embodiment or approximate with basic structure, all within scope.
Please refer to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, the present invention mainly comprises main body 1, soft light cover 2, light guide plate 5, lamp bar 6 and control circuit, and soft light cover 2 fixedly mounts on the body 1, forms the present invention.Light guide plate 5 and lamp bar 6 are arranged in main body 1, the plate object that light guide plate 5 adopts transparent material to make, the exiting surface of light guide plate 5 is provided with guide-lighting site, guide-lighting site is the salient point or groove that gather in matrix type, and lamp bar 6 is arranged on light guide plate 5 side, in the present embodiment, light guide plate 5 is square, lamp bar 6 is provided with four, and four sides corresponding respectively to light guide plate 5 are arranged, and control circuit controls lamp bar 6 and works.In the present embodiment, lamp bar 6 is provided with LED, LED is the LED of three kinds of colors, is respectively red-light LED, green light LED and blue-ray LED.In the present embodiment, control circuit is arranged on the circuit board 4, circuit board 4 and light guide plate 5 are fixedly installed togather, in the present embodiment, above lamp bar 6, be installed with shadow shield 7, shadow shield 7 shelters from LED lamp bar 6, and the light that LED lamp bar 6 is sent can only be shining into light guide plate 5, sent by light guide plate 5, and can not directly penetrate.In the present embodiment, be provided with more than one control button 3 on the body 1, control button 3 is electrically connected with control circuit, can be controlled the switch of lamp bar 6 by control button 3, and carries out brightness adjustment control to it.In the present embodiment, in main body 1, be also provided with lithium battery (not shown in FIG.), powered to LED by lithium battery, be provided with to the charging inlet of lithium cell charging (not shown in FIG.) on the body 1, during concrete enforcement, external power supply also can be adopted to power directly to LED.
Please refer to accompanying drawing 4, control circuit in the present invention comprises central control module, constant-current source module, LED light modulation driver module more than two (in the present embodiment, select 3 groups) and signal input module, lithium battery (or external power supply) out-put supply is to constant-current source module, constant-current source module out-put supply gives LED light modulation driver module respectively, often organizes LED light modulation driver module and drives a kind of LED of color luminous respectively.In the present embodiment, the switching signal of signal input module input LED and dim signal are to central control module, central control module control LED light modulation driver module works, in the present embodiment, three groups of LED light modulation driver module circuit structures are identical, this sentences first group is that example is described, LED light modulation driver module comprises metal-oxide-semiconductor Q1 and triode Q2, ruddiness drive singal PWM1 inputs to the base stage of triode Q2, the collector and emitter of triode Q2 be connected to and the grid of metal-oxide-semiconductor Q1 between, red-light LED is driven by metal-oxide-semiconductor Q1, in the present embodiment, metal-oxide-semiconductor Q1 adopts P-channel field-effect transistor (PEFT) pipe (i.e. P-MOS), main circuit is high voltage, and central control module provides low-voltage signal (i.e. 5V), so need to add triode Q2 driven MOS pipe Q1, after touch chip U1 provides pwm signal to drive triode Q2, just can control metal-oxide-semiconductor Q1 ON-OFF, thus make be connected in series red-light LED brightness change, change luminosity.
The present invention inputs dim signal (as: certain coloured light brightness increases or reduces) to central control module by signal input module (i.e. control button 3), central control module controls the brightness of the LED of respective color, the light that the LED of three kinds of colors sends all is injected in light guide plate 5, after being mixed by light guide plate 5, injection is to soft light cover 2, penetrate after soft light cover 2 softening, throw light on, the luminous intensity of the LED of the adjustable a certain particular color of the present invention, thus change its proportion shared in three primary colours, and then reach the effect changing Integral luminous color.
The present invention can realize dazzling color color changeable effect, adds the use temperament and interest in use procedure, meets the psychological needs of people.
Claims (10)
1. dazzle color LED night lamp for one kind, it is characterized in that: described mini light night comprises main body, soft light cover, light guide plate, lamp bar and control circuit, soft light cover is fixedly mounted in main body, light guide plate is arranged in main body, lamp bar is arranged on light guide plate side, lamp bar is provided with LED, LED comprises the LED of two or more color, described control circuit comprises central control module, constant-current source module, LED light modulation driver module more than two and signal input module, constant-current source module out-put supply gives LED light modulation driver module respectively, often organizing LED light modulation driver module drives a kind of LED of color luminous respectively, the switching signal of signal input module input LED and dim signal are to central control module, central control module control LED light modulation driver module works.
2. according to claim 1ly dazzle color LED night lamp, it is characterized in that: described LED light modulation driver module comprises metal-oxide-semiconductor and triode, light drive singal inputs to the base stage of triode, the collector and emitter of triode be connected to and the grid of metal-oxide-semiconductor between, by metal-oxide-semiconductor driving LED.
3. according to claim 2ly dazzle color LED night lamp, it is characterized in that: described metal-oxide-semiconductor adopts P-channel field-effect transistor (PEFT) pipe.
4. according to claim 1 or 2 or 3, dazzle color LED night lamp, it is characterized in that: the plate object that described light guide plate adopts transparent material to make, the exiting surface of light guide plate is provided with guide-lighting site.
5. according to claim 4ly dazzle color LED night lamp, it is characterized in that: described guide-lighting site is salient point or the groove of the distribution in matrix type.
6. according to claim 1 or 2 or 3, dazzle color LED night lamp, it is characterized in that: described light guide plate is square, lamp bar is provided with four, and four sides corresponding respectively to light guide plate are arranged.
7. according to claim 1 or 2 or 3, dazzle color LED night lamp, it is characterized in that: described control circuit is arranged on circuit boards, and circuit board and light guide plate are fixedly installed togather.
8. according to claim 1 or 2 or 3, dazzle color LED night lamp, it is characterized in that: be installed with shadow shield above described lamp bar, shadow shield shelters from LED lamp bar.
9. according to claim 1 or 2 or 3, dazzle color LED night lamp, it is characterized in that: described main body is provided with more than one control button, and control button is electrically connected with control circuit, controlled the switch of lamp bar by control button.
10. according to claim 1 or 2 or 3, dazzle color LED night lamp, it is characterized in that: in described main body, be also provided with lithium battery, powered to LED by lithium battery, main body is provided with to the charging inlet of lithium cell charging, or main body is provided with external power interface, powered directly to LED by external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559827.6A CN104315448A (en) | 2014-10-20 | 2014-10-20 | Colorful LED small night lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559827.6A CN104315448A (en) | 2014-10-20 | 2014-10-20 | Colorful LED small night lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104315448A true CN104315448A (en) | 2015-01-28 |
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ID=52370721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410559827.6A Pending CN104315448A (en) | 2014-10-20 | 2014-10-20 | Colorful LED small night lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104315448A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676426A (en) * | 2015-03-11 | 2015-06-03 | 苏州昆仑工业设计有限公司 | LED (Light-Emitting Diode) colorful color-changeable flower-shaped lamp |
-
2014
- 2014-10-20 CN CN201410559827.6A patent/CN104315448A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676426A (en) * | 2015-03-11 | 2015-06-03 | 苏州昆仑工业设计有限公司 | LED (Light-Emitting Diode) colorful color-changeable flower-shaped lamp |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |