CN110139437A - A kind of LED downlight of variable power - Google Patents
A kind of LED downlight of variable power Download PDFInfo
- Publication number
- CN110139437A CN110139437A CN201910542033.1A CN201910542033A CN110139437A CN 110139437 A CN110139437 A CN 110139437A CN 201910542033 A CN201910542033 A CN 201910542033A CN 110139437 A CN110139437 A CN 110139437A
- Authority
- CN
- China
- Prior art keywords
- lamp bead
- led
- circuit
- led lamp
- downlight
- 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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Classifications
-
- 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
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention provides a kind of LED downlight of variable power, including LED light source board, constant-flow driver, the LED light source board is equipped at least one LED lamp bead module, LED lamp bead module includes several LED lamp beads, several LED lamp beads are divided into M LED lamp bead group, N number of lamp bead is equipped in each LED lamp bead group, lamp bead in LED lamp bead group is in parallel, the M LED lamp bead group series connection, M lamp bead group forms high power circuit circuit, have P(P < M) a lamp bead group formation low-power circuit circuit, high power circuit circuit, low-power circuit circuit is connect with the first toggle switch with the constant-flow driver.The driving circuit of the LED downlight of the variable power uses common constant-flow driver, LED light in LED light source board is divided into high power circuit circuit and low-power circuit circuit as needed, it carries out that different circuit loops is selected to be attached with constant-flow driver by toggle switch when in use, the adjusting variation of the power of LED downlight is achieved that in this way, it is more simple using this cylinder lamp structure circuit, production cost is low, nor easily break down.
Description
Technical field
The present invention relates to field of LED illumination, in particular to a kind of LED downlight of variable power.
Background technique
LED downlight is to improve the product of exploitation on the basis of traditional downlight using novel LED illuminating light source, with traditional downlight
Comparison has the advantage that energy conservation, low-carbon, longevity, colour rendering be good, fast response time.The design of LED downlight is more beautiful light
Ingeniously, it can reach when installation and keep the entirety of building decoration unified and perfection, not destroy the setting of lamps and lanterns, light source is hidden in building dress
Decorations are internal, and light source is not exposed, free from glare, and the visual effect of people is soft, uniform.Therefore LED downlight is widely used in general interior
Lighting demand, such as at home, market, hotel etc..
Now the variable power overwhelming majority of LED downlight on the market is realized by special driving, such as patent of invention
(patent No.: 201320697840.9) disclose a kind of LED illumination downlight realized using linear constant current driving circuit, including lamp
Body and lampshade, the lamp body include circuit board and LED lamp tube, and the LED lamp tube is fixedly mounted on the circuit board, the electricity
Road plate is arranged in the lampshade and fixes with lampshade inner wall；Anti-surge protection circuit, rectification filter are provided on the circuit board
Wave circuit, control circuit and constant-current drive circuit, the anti-surge protection circuit, current rectifying and wave filtering circuit, constant-current drive circuit and
LED lamp tube is successively sequentially connected with, and the control circuit is connect with the constant-current drive circuit；The anti-surge protection circuit is by gas
Composition is connected in series in body discharge tube and varistor.The variable power of this LED downlight is exactly to pass through driving to change electric current progress
It adjusts, this LED downlight driving circuit structure is complex, and production cost is higher, and is easy to break down.
Summary of the invention
In view of the foregoing deficiencies of prior art, simple, production that the purpose of the present invention is to provide a kind of circuit structures
It is at low cost, it is not susceptible to the LED downlight structure of failure.
In order to achieve the above objects and other related objects, the present invention provides a kind of LED downlight of variable power, including LED
Light source board, constant-flow driver, the LED light source board are equipped at least one LED lamp bead module, and the LED lamp bead module includes
Several LED lamp beads, several LED lamp beads are divided into M LED lamp bead group, and N number of lamp bead is equipped in each LED lamp bead group, described
Lamp bead in LED lamp bead group is in parallel, the M LED lamp bead group series connection, it is characterised in that: the M lamp bead group forms high power
Circuit loop has P(P < M) a lamp bead group formation low-power circuit circuit, the high power circuit circuit, low-power circuit circuit
It is connect with the first toggle switch with the constant-flow driver, first toggle switch is for controlling the high power circuit circuit
Or low-power circuit circuit is connect with the constant-flow driver.
Preferably, the LED light source board is equipped with the LED lamp bead of two or more colour temperature, the LED light of every kind of colour temperature
Pearl forms a LED lamp bead module, and each LED lamp bead module is connect with the second toggle switch, and second toggle switch is for controlling
Corresponding LED lamp bead module is connect with the constant-flow driver.
Preferably, the LED light source board is arranged in a metal lamp housing, is additionally provided with reflective sheeting and P in the metal lamp housing
C diffuser plate, first toggle switch, the second toggle switch are arranged in a PCB circuit board, and the PCB circuit board setting exists
Outside the metal shell.
Preferably, a cover is additionally provided on the metal shell, the PCB circuit board is arranged in the cover and the gold
Belong between shell.
Preferably, the metal shell is equipped with metallic support, and the metallic support is equipped with spring.
Preferably, the cover is equipped with plastics cableties.
Preferably, the LED lamp bead in the LED lamp bead module is divided into 8 LED lamp bead groups, is equipped in each LED lamp bead group
5 lamp beads, low-power circuit circuit include 6 LED lamp bead groups.
As described above, the invention has the following advantages: the driving circuit of the LED downlight of the variable power is using common
Constant-flow driver, the LED light in LED light source board is divided into high power circuit circuit and low-power circuit circuit as needed,
It carries out that different circuit loops is selected to be attached with constant-flow driver by toggle switch when in use, achieves that in this way
The adjusting of the power of LED downlight changes, more simple using this cylinder lamp structure circuit, production cost is low, nor easily
It breaks down.
Detailed description of the invention
Fig. 1 is the system structure diagram of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of LED lamp bead of embodiment of the present invention module.
Fig. 3 is the structural schematic diagram of second embodiment of the invention LED lamp bead module
Component label instructions: 1, plastics cableties；2, the cover；3, PCB circuit board；4, toggle switch；5, metallic support；6, spring；
7, metal shell；8, LED light source board；9, reflective sheeting；10, PC diffuser plate.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Please refer to Fig. 1.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The revealed content of specification is not intended to limit the invention enforceable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
It does not influence still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach
It obtains in the range of capable of covering.Meanwhile cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term, be merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or
Adjustment, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1, the LED downlight includes metal shell 7 the present invention provides a kind of LED downlight of variable power, gold
Belong to shell 7 and uses aluminum enclosure.LED light source board 8 is equipped in metal shell 7, LED light source board 8 is equipped at least one LED lamp bead
Module, each LED lamp bead module include multiple LED lamp beads, and LED lamp bead module connect with constant-flow driver, driven by constant current
Dynamic device driving LED lamp bead module is shinny.It is equipped with reflective sheeting 9 and PC diffuser plate 10 in metal shell 7, passes through reflective sheeting 9 and PC
Diffuser plate 10 can improve the luminous efficiency of LED light, and it is more uniform to use light.To facilitate installation, also being set on metal shell 7
There is metallic support 5, metallic support 5 is equipped with spring 6, and spring 6 is convenient for the clamping of metallic support 5.It is additionally provided on metal shell 7
One the cover 2 is additionally provided with PCB circuit board 3 between metal shell 7 and the cover 2.It is additionally provided with plastics cableties 1 in the cover 2, facilitates LED
The electric wire of downlight connects.
As shown in Fig. 2, the LED light source board 8 of the LED downlight is equipped with a LED lamp bead module, the LED lamp bead module packet
Several LED lamp beads are included, several LED lamp beads are divided into M LED lamp bead group, are equipped with N number of lamp bead, LED lamp bead in each LED lamp bead group
Lamp bead in group is in parallel, M LED lamp bead group series connection, M lamp bead group formation high power circuit circuit, wherein there is P(P < M) a lamp
Pearl group forms low-power circuit circuit, and low-power circuit circuit can be set multiple.In this embodiment, LED lamp bead is divided into 8
LED lamp bead group, each LED lamp bead group is interior to be equipped with 5 lamp beads, and the lamp bead in LED lamp bead group is in parallel, 8 LED lamp bead groups series connection, and 8
A lamp bead group forms high power circuit circuit, wherein there is 6 lamp bead groups to form low-power circuit circuit.High power circuit circuit,
Low-power circuit circuit is connect with the first toggle switch with constant-flow driver, and the first toggle switch is for controlling the high power electricity
Road circuit or low-power circuit circuit are connect with the constant-flow driver.
As shown in the figure, the end " A+ " to end " GND " forms high power circuit circuit, and end " A+ " to the end " A- " forms low-power
Circuit loop, the end " A+ " are connect with constant-flow driver.It is connected by the first toggle switch selection " A+ " end and the end " GND ", so that it may
LED light is set to form high-power output；It is connected by the first toggle switch selection " A+ " end and the end " A- ", so that it may form LED light
Low-power output.First toggle switch is arranged in PCB circuit board 3 so that it is convenient to operate.
As shown in figure 3, another embodiment as this patent, the LED lamp bead there are two types of colour temperature is set in LED light source board 8,
The LED lamp bead of every kind of colour temperature forms a LED lamp bead module, and each LED lamp bead module is connect with the second toggle switch, and the second dial-up is opened
Pass is connect for controlling corresponding LED lamp bead module with the constant-flow driver.The embodiment when in use, can be first by the
Two toggle switch select the LED lamp bead of different-colour, the B colour temperature lamp bead as selected right side in figure by the second toggle switch, so
High power circuit circuit or low-power circuit circuit in B colour temperature lamp bead are selected by the first toggle switch again afterwards, realize different function
The output of rate.
The driving circuit of the LED downlight of the variable power uses common constant-flow driver, by the LED in LED light source board
Lamp is divided into high power circuit circuit and low-power circuit circuit as needed, and it is different to carry out selection by toggle switch when in use
Circuit loop be attached with constant-flow driver, achieve that in this way the power of LED downlight adjusting variation, using this cylinder
Modulated structure circuit is more simple, production cost is low, nor easily breaks down.So the present invention effectively overcome it is existing
Various shortcoming in technology and have high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (7)
1. a kind of LED downlight of variable power, including LED light source board, constant-flow driver, the LED light source board is equipped at least
One LED lamp bead module, the LED lamp bead module include several LED lamp beads, and several LED lamp beads are divided into M LED lamp bead
Group, each LED lamp bead group is interior to be equipped with N number of lamp bead, and the lamp bead in the LED lamp bead group is in parallel, the M LED lamp bead group series connection,
It is characterized by: the M lamp bead group forms high power circuit circuit, there is P(P < M) a lamp bead group forms low-power circuit and returns
Road, the high power circuit circuit, low-power circuit circuit are connect with the first toggle switch with the constant-flow driver, and described
One toggle switch is used to control the high power circuit circuit or low-power circuit circuit is connect with the constant-flow driver.
2. the LED downlight of variable power according to claim 1, it is characterised in that: there are two types of being set in the LED light source board
Or the LED lamp bead of two or more colour temperatures, the LED lamp bead of every kind of colour temperature form a LED lamp bead module, each LED lamp bead module and the
The connection of two toggle switch, second toggle switch are connect for controlling corresponding LED lamp bead module with the constant-flow driver.
3. the LED downlight of variable power according to claim 2, it is characterised in that: the LED light source board is arranged in a gold medal
Belong in lamp housing, reflective sheeting and PC diffuser plate, first toggle switch, the second toggle switch are additionally provided in the metal lamp housing
It is arranged in a PCB circuit board, the PCB circuit board is arranged outside the metal shell.
4. the LED downlight of variable power according to claim 3, it is characterised in that: be additionally provided with one on the metal shell
The cover, the PCB circuit board are arranged between the cover and the metal shell.
5. the LED downlight of variable power according to claim 4, it is characterised in that: the metal shell is equipped with metal
Bracket, the metallic support are equipped with spring.
6. the LED downlight of variable power according to claim 4, it is characterised in that: the cover is equipped with plastics cableties.
7. the LED downlight of variable power according to claim 4, it is characterised in that: the LED in the LED lamp bead module
Lamp bead is divided into 8 LED lamp bead groups, and 5 lamp beads are equipped in each LED lamp bead group, and low-power circuit circuit includes 6 LED lamp beads
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542033.1A CN110139437A (en) | 2019-06-21 | 2019-06-21 | A kind of LED downlight of variable power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910542033.1A CN110139437A (en) | 2019-06-21 | 2019-06-21 | A kind of LED downlight of variable power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110139437A true CN110139437A (en) | 2019-08-16 |
Family
ID=67578944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910542033.1A Pending CN110139437A (en) | 2019-06-21 | 2019-06-21 | A kind of LED downlight of variable power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110139437A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006107199A2 (en) * | 2005-04-08 | 2006-10-12 | Wart Hog Ii Holding B.V. | Methods and apparatuses for operating groups of high-power leds |
| US20130057152A1 (en) * | 2011-09-02 | 2013-03-07 | Delta Electronics, Inc. | Led lighting system |
| CN105020606A (en) * | 2015-07-01 | 2015-11-04 | 杨觐聪 | LED lamp for automatically adjusting color temperature |
| CN108591947A (en) * | 2018-05-08 | 2018-09-28 | 横店集团得邦照明股份有限公司 | A kind of adjustable color Projecting Lamp and its implementation |
-
2019
- 2019-06-21 CN CN201910542033.1A patent/CN110139437A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006107199A2 (en) * | 2005-04-08 | 2006-10-12 | Wart Hog Ii Holding B.V. | Methods and apparatuses for operating groups of high-power leds |
| US20130057152A1 (en) * | 2011-09-02 | 2013-03-07 | Delta Electronics, Inc. | Led lighting system |
| CN105020606A (en) * | 2015-07-01 | 2015-11-04 | 杨觐聪 | LED lamp for automatically adjusting color temperature |
| CN108591947A (en) * | 2018-05-08 | 2018-09-28 | 横店集团得邦照明股份有限公司 | A kind of adjustable color Projecting Lamp and its implementation |
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