CN206650873U - Multiple-channel output LED drive power - Google Patents
Multiple-channel output LED drive power Download PDFInfo
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- CN206650873U CN206650873U CN201720275820.0U CN201720275820U CN206650873U CN 206650873 U CN206650873 U CN 206650873U CN 201720275820 U CN201720275820 U CN 201720275820U CN 206650873 U CN206650873 U CN 206650873U
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Abstract
The utility model discloses a kind of multiple-channel output LED drive power, including AC-DC conversion module, control circuit module, the first constant-current driven module and the second constant-current driven module electrically connected with external communication, AC-DC conversion module further includes the first DC power-supply circuit and the second DC power-supply circuit, first DC power-supply circuit is connected with the first constant-current driven module and the second constant-current driven module respectively, and the second DC power-supply circuit has the first output end being connected with control circuit module and the second output end for the motor connection with rotary LED lamp.The utility model can be that the motor of rotary LED lamp and two groups of different LED light groups of colour temperature are powered driving, and can realize that the LED light group different to two kinds of colour temperatures carries out light modulation toning, and its construction is simple, and adjustment control is convenient.
Description
Technical field
LED power technical field is the utility model is related to, more particularly to a kind of multiple-channel output LED drive power.
Background technology
LED light source is widely used because it has many advantages, such as small volume, low in energy consumption, luminous efficiency is high, long lifespan
It is generally more to be applied to LED illumination device field in various different fields, and LED illumination device mainly include LED load with
The driving power of LED load work is driven, existing driving power is usually an integrated circuit, is only equal-wattage
LED load is powered, and at the same time, for this integrated circuit, can only carry out brightness regulation to the LED load of equal-wattage, and
Also the lamp bead for being difficult to be embodied as in same circuit different-colour is mixed colours.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art at least to some extent, there is provided a kind of multichannel is defeated
Go out LED drive power.
To achieve the above object, the utility model proposes multiple-channel output LED drive power, including be electrically connected with external communication
The AC-DC conversion module connect and the control circuit module being connected respectively with the AC-DC conversion module, the first constant current are driven
Dynamic model block and the second constant-current driven module, the AC-DC conversion module are used to drive to control circuit module, the first constant current
Module and the second constant-current driven module provide direct-current working volts；
The control circuit module is included according to input signal respectively to first constant-current driven module and the second constant current
Drive module sends the single-chip microcomputer of the first pwm control signal and the second pwm control signal；
First constant-current driven module includes the first PWM current constant controls electricity being connected with the AC-DC conversion module
Road and the first constant current output circuit being connected with the first PWM constant-current control circuits, first constant current output circuit are used
It is electrically connected with the first LED light group, the first PWM constant-current control circuits control institute according to first pwm control signal
State the constant current size of the first constant current output circuit；
Second constant-current driven module includes the 2nd PWM current constant controls electricity being connected with the AC-DC conversion module
Road and the second constant current output circuit being connected with the 2nd PWM constant-current control circuits, second constant current output circuit are used
It is electrically connected with the second LED light group, and second LED light group is different from the colour temperature of first LED light group, the 2nd PWM
Constant-current control circuit controls the constant current size of second constant current output circuit according to second pwm control signal；
The AC-DC conversion module includes the first DC power-supply circuit and the second DC power-supply circuit, and described first is straight
Flow power supply circuit be used to providing to the first PWM constant-current control circuits and the 2nd PWM constant-current control circuits respectively it is constant straight
Stream electricity；Second DC power-supply circuit includes the first output end and the second output end, and first output end is used for for rotation
The motor of formula LED lamp provides supply voltage, and second output end is connected with the control circuit module, for for the list
Piece machine provides supply voltage.
Preferably, the AC-DC conversion module also includes EMC circuits, current rectifying and wave filtering circuit, power circuit, the first transformation
Device and the second transformer, two inputs of the EMC circuits are used to electrically connect with the external communication, the EMC circuits
Two output ends be connected with two inputs of the current rectifying and wave filtering circuit, the cathode output end of the current rectifying and wave filtering circuit with
The input connection of the power circuit, the cathode output end ground connection of the current rectifying and wave filtering circuit；The power circuit passes through
The input of one transformer and the second transformer respectively with first DC power-supply circuit and the second DC power-supply circuit is connected.
Preferably, second DC power-supply circuit also includes the first decompression chip and the second decompression chip；Described
The input pin of one decompression chip is connected with second transformer, output pin and the described first output of the first decompression chip
The input pin with the second decompression chip is held to be connected, the output pin of the second decompression chip is connected with second output end.
Preferably, the control circuit module also includes multiple control buttons, and the multiple control button is connected to institute
State on the signal input pin of single-chip microcomputer, and the single-chip microcomputer internal memory contains corresponding with the multiple control button multigroup first
Pwm control signal and the second pwm control signal.
Preferably, the first PWM constant-current control circuits include first switch pipe, the first PWM constant-current control circuits
The constant current size of the first constant current output circuit output is adjusted by the conducting state of the first switch pipe；
The 2nd PWM constant-current control circuits include second switch pipe, and the 2nd PWM constant-current control circuits pass through described
The conducting state of second switch pipe adjusts the constant current size of second constant current output circuit output.
Preferably, the first PWM constant-current control circuits also include being used for according to the first pwm control signal control described the
First control chip of one switching tube conducting state, the control terminal of the first switch pipe are connected with first control chip,
The input of the first switch pipe is connected with first DC power-supply circuit, output end and first constant current output circuit
Connection.
Preferably, the model FP7175 chips of first control chip.
Technical solutions of the utility model convert alternating current to direct current by AC-DC conversion module, utilize the first direct current
Power supply circuit divides two-way to be respectively that the first constant-current driven module and the second constant-current driven module are powered, so that the first constant current is driven
Dynamic model block and the second constant-current driven module drive the first LED light group and the second LED light group of different-colour respectively, straight using second
Stream power supply circuit is respectively that the motor of rotary LED lamp and the single-chip microcomputer of control circuit module provide supply voltage；And lead to
Cross single-chip microcomputer and receive the first PWM dim signals and the 2nd PWM dim signals corresponding to brightness adjustment control instruction generation, so that first is permanent
Stream drive module and the second constant-current driven module adjust its institute according to the first PWM dim signals and the 2nd PWM dim signals respectively
The size of current of output, the regulation for carrying out brightness respectively to the LED light group of two groups of different-colours is realized, is finally reached to LED
Tool light modulation and the purpose of toning, its is simple in construction, adjustment control is convenient.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the circuit diagram of the utility model AC-DC conversion module；
Fig. 3 is the circuit diagram of the utility model control circuit module；
Fig. 4 is the circuit diagram of the constant-current driven module of the utility model first；
Fig. 5 is the circuit diagram of the constant-current driven module of the utility model second.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation, based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " " axial direction ", " circumference ", " radial direction " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
The multiple-channel output LED drive power of the utility model embodiment is described in detail with reference to the accompanying drawings.
As shown in Figures 1 to 5, according to the multiple-channel output LED drive power of the utility model embodiment, it includes and outside
The control circuit module for exchanging the AC-DC conversion module 10 of electrical connection and being connected respectively with the AC-DC conversion module 10
20th, the first constant-current driven module 30 and the second constant-current driven module 40, the AC-DC conversion module 10 are used to give control electricity
Road module 20, the first constant-current driven module 30 and the second constant-current driven module 40 provide direct-current working volts.
Specifically, the control circuit module 20 is included according to input signal respectively to first constant-current driven module
30 and second constant-current driven module 40 send the single-chip microcomputer U3 of the first pwm control signal and the second pwm control signal；
First constant-current driven module 30 includes the first PWM current constant controls being connected with the AC-DC conversion module 10
Circuit 31 and the first constant current output circuit 32 being connected with the first PWM constant-current control circuits 31, first constant current are defeated
Go out circuit 32 to be used to be electrically connected with the first LED light group, the first PWM constant-current control circuits 31 are controlled according to the first PWM
Signal processed controls the constant current size of first constant current output circuit 32；
Second constant-current driven module 40 includes the 2nd PWM current constant controls being connected with the AC-DC conversion module 10
Circuit 41 and the second constant current output circuit 42 being connected with the 2nd PWM constant-current control circuits 41, second constant current are defeated
Go out circuit 42 to be used to be electrically connected with the second LED light group, and the colour temperature of second LED light group and first LED light group is not
Together, the 2nd PWM constant-current control circuits 41 control the perseverance of second constant current output circuit 42 according to second pwm control signal
Determine size of current；
The AC-DC conversion module 10 includes the first DC power-supply circuit 14 and the second DC power-supply circuit 15, described
First DC power-supply circuit 14 is used for respectively to the first PWM constant-current control circuits 31 and the 2nd PWM constant-current control circuits 41
Constant direct current is provided；Second DC power-supply circuit 15 includes the first output end and the second output end, and described first is defeated
Go out end to be used to provide supply voltage, second output end and the control circuit module 20 for the motor of rotary LED lamp
It is connected, for providing supply voltage for the single-chip microcomputer U3.
That is, LED drive power of the present utility model is when applied to rotary LED lamp, the first direct current supply
Circuit 14 by the first constant-current driven module 30 and the second constant-current driven module 40 be respectively different-colour the first LED light group and
Second LED light group is powered, common, and the first LED light group emits white light when being powered, Yellow light-emitting low temperature when the second LED light group is powered；And
It is rotation-type LED lamp that first output end of the second DC power-supply circuit 15, which exports a supply voltage (generally 12V, 5V or 3.3V),
The motor of tool or other electricity consumption modules are powered, and the second output end of the second DC power-supply circuit 15 exports a supply voltage
(generally 5V or 3.3V) is powered for the single-chip microcomputer U3 of control circuit module 20.When single-chip microcomputer U3 receives brightness adjustment control instruction
When, it can be instructed according to brightness adjustment control and send the first PWM to the first constant-current driven module 30 and the second constant-current driven module 40 respectively
Control signal and the second pwm control signal, the first PWM constant-current control circuits 31 of the first constant-current driven module 30 are according to receiving
The first pwm control signal adjust the size of first 32 output currents of constant current output circuit, so as to change the first LED light group
Luminosity；Similarly, the 2nd PWM constant-current control circuits 41 of the second constant-current driven module 40 are according to the 2nd PWM received
Control signal adjusts the size of second 42 output currents of constant current output circuit, so as to change the luminance of the second LED light group
Degree.In this way, may be such that the first LED light group and the second LED light group it is mixed after irradiation light color and brightness change,
Reach the purpose of light modulation.
As shown in Fig. 2 as a preferred embodiment of the present utility model, the AC-DC conversion module 10 also includes
EMC circuits 11, current rectifying and wave filtering circuit 12, power circuit 13, the first transformer 16 and the second transformer 17, the EMC circuits
11 two inputs are used to electrically connect with the external communication, and two output ends and the rectification of the EMC circuits 11 are filtered
Two inputs connection of wave circuit 12, the input of the cathode output end of the current rectifying and wave filtering circuit 12 and the power circuit 13
End connection, the cathode output end ground connection of the current rectifying and wave filtering circuit 12；The power circuit 13 passes through the first transformer 16 and
Input of two transformers 17 respectively with the DC power-supply circuit 15 of the first DC power-supply circuit 14 and second is connected.Namely
Say, the voltage that power circuit 13 is exported passes through the transformation of the first transformer 16 and the first DC power-supply circuit 14 and secondary whole
Formed after stream filtering process and be available for the constant dc that LED light group uses；The voltage that power circuit 13 is exported becomes by second
Being formed after the transformation of the DC power-supply circuit 15 of depressor 17 and second and the processing of secondary rectifying and wave-filtering can power supply machine and single-chip microcomputer
The constant dc that U3 is used；The DC power-supply circuit 15 of first DC power-supply circuit 14 and second of the present utility model is actually
Play a part of rectifying and wave-filtering.
Further, second DC power-supply circuit 15 also includes the first decompression chip U4 and the second decompression chip
U5；The input pin of the first decompression chip U4 is connected with second transformer 17, and the first decompression chip U4 output is drawn
Pin is connected with the input pin of first output end and the second decompression chip U5, the second decompression chip U5 output pin and institute
The second output end is stated to be connected.That is, the second DC power-supply circuit 15 is defeated to first by the first decompression chip U4 effect
Go out end output and be available for the 12V voltages that motor or other electricity consumption modules use in rotary LED lamp, pass through the second decompression chip U5
Effect to the second output end output be available for the 5V/3.3V voltages that single-chip microcomputer U3 is used in control circuit module 20.
With further, as shown in figure 3, the control circuit module 20 also includes multiple control buttons, it is the multiple
Control button (S1~S5) is connected on the signal input pin of the single-chip microcomputer U3, and the single-chip microcomputer U3 internal memories contain and institute
State multigroup first pwm control signal and the second pwm control signal corresponding to multiple control buttons.That is, work as multiple controls
When one of control button in button (S1~S5) is connected, brightness adjustment control instruction, single-chip microcomputer U3 roots are sent to single-chip microcomputer U3
Chosen according to brightness adjustment control instruction stored to should control button (including the first PWM control of one group of pwm control signal
Signal and second pwm control signal), respectively to the 2nd PWM constant-current control circuits 41 and the 2nd PWM constant-current control circuits 41
First pwm control signal corresponding to transmission and the second pwm control signal, so that the 2nd PWM constant-current control circuits 41 and the 2nd PWM
Constant-current control circuit 41 controls the size of current of the first constant current output circuit 32 and the second constant current output circuit 42 respectively, reaches point
The brightness of the first LED light group and the second LED light group is not adjusted.Similarly, when another control button is connected, single-chip microcomputer U3 hairs
Another set pwm control signal corresponding to sending is realized quick with adjusting the brightness of the first LED light group and the second LED light group respectively
Adjust the brightness of two groups of LED light groups.Certainly, it is necessary to which explanation, control circuit module 20 of the present utility model may be designed as
By way of wireless receiving brightness adjustment control instructs, i.e., send regulation and control control to single-chip microcomputer U3 using infrared or WIFI mode and refer to
Order, the purpose of brightness regulation is carried out to the first LED light group and the second LED light group in a manner of completing wireless remote control.
As shown in Figure 4 and Figure 5, as preferred embodiment of the present utility model, the first PWM constant-current control circuits 31
Including first switch pipe Q1, the first PWM constant-current control circuits 31 are adjusted by the conducting state of the first switch pipe Q1
Save the constant current size that first constant current output circuit 32 exports；The 2nd PWM constant-current control circuits 41 include second
Switching tube Q2, the 2nd PWM constant-current control circuits 41 adjust described by the conducting state of the second switch pipe Q2
The constant current size of two constant current output circuits 42 output.
Specifically, the first PWM constant-current control circuits 31 also include being used for according to the control of the first pwm control signal
First control chip U1 of first switch pipe Q1 conducting states, the control terminal of the first switch pipe Q1 and the described first control core
Piece U1 connections, the input of the first switch pipe Q1 are connected with first DC power-supply circuit 14, output end and described the
One constant current output circuit 32 connects.Preferably, the model FP7175 chips of the first control chip U1.It is as shown in figure 4, single
The first pwm control signal that piece machine U3 is exported is input to the first control chip U1 5 pin, and the first DC power-supply circuit 14 passes through
First control chip U1 4 pin are supplied power for, and 1 pin of control chip is connected with first switch pipe Q1 control terminal, first switch
Pipe Q1 input is connected with the output end of the first DC power-supply circuit 14 and the first control chip U1 3 pin, first switch pipe
Q1 output end is connected with the input of the first constant current output circuit 32.In this way, the first control chip U1 can be controlled according to the first PWM
Signal processed controls first switch pipe Q1 break-make, to realize the size of current for adjusting first constant current output circuit 32, so as to reach
It is adjusted to the brightness to the first LED light group.Similarly, the 2nd PWM constant-current control circuits 41 also include being used for according to the 2nd PWM
Second control chip U2 of the control signal control second switch pipe Q2 conducting states, second control chip U2 model are same
Sample is FP7175 chips, and it is identical with the first PWM constant-current control circuits 31 with second switch pipe Q2 connected mode.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (7)
1. a kind of multiple-channel output LED drive power, it is characterised in that including the AC-DC conversion mould electrically connected with external communication
Block and the control circuit module being connected respectively with the AC-DC conversion module, the first constant-current driven module and second are permanent
Drive module is flowed, the AC-DC conversion module is used for control circuit module, the first constant-current driven module and the second constant current
Drive module provides direct-current working volts；
The control circuit module includes being driven to first constant-current driven module and the second constant current respectively according to input signal
Module sends the single-chip microcomputer of the first pwm control signal and the second pwm control signal；
First constant-current driven module include be connected with the AC-DC conversion module the first PWM constant-current control circuits, with
And the first constant current output circuit being connected with the first PWM constant-current control circuits, first constant current output circuit be used for
First LED light group is electrically connected with, and the first PWM constant-current control circuits are according to first pwm control signal control described the
The constant current size of one constant current output circuit；
Second constant-current driven module include be connected with the AC-DC conversion module the 2nd PWM constant-current control circuits, with
And the second constant current output circuit being connected with the 2nd PWM constant-current control circuits, second constant current output circuit be used for
Second LED light group is electrically connected with, and second LED light group is different from the colour temperature of first LED light group, the 2nd PWM constant currents
Control circuit controls the constant current size of second constant current output circuit according to second pwm control signal；
The AC-DC conversion module includes the first DC power-supply circuit and the second DC power-supply circuit, and first direct current supplies
Circuit is used to provide constant direct current to the first PWM constant-current control circuits and the 2nd PWM constant-current control circuits respectively；
Second DC power-supply circuit includes the first output end and the second output end, and it is rotating LED that first output end, which is used for,
The motor of light fixture provides supply voltage, and second output end is connected with the control circuit module, for for the single-chip microcomputer
Supply voltage is provided.
2. multiple-channel output LED drive power as claimed in claim 1, it is characterised in that the AC-DC conversion module is also wrapped
EMC circuits, current rectifying and wave filtering circuit, power circuit, the first transformer and the second transformer are included, two of the EMC circuits are defeated
Enter end to be used to electrically connect with the external communication, two output ends of the EMC circuits and two of the current rectifying and wave filtering circuit
Input is connected, and the cathode output end of the current rectifying and wave filtering circuit is connected with the input of the power circuit, the rectification filter
The cathode output end ground connection of wave circuit；The power circuit is straight with described first respectively by the first transformer and the second transformer
The input of stream power supply circuit and the second DC power-supply circuit is connected.
3. multiple-channel output LED drive power as claimed in claim 2, it is characterised in that second DC power-supply circuit is also
Including the first decompression chip and the second decompression chip；The input pin of the first decompression chip and the second transformer phase
Even, the output pin of the first decompression chip is connected with the input pin of first output end and the second decompression chip, the second drop
The output pin of pressure chip is connected with second output end.
4. multiple-channel output LED drive power as claimed in claim 1, it is characterised in that the control circuit module also includes
There are multiple control buttons, the multiple control button is connected on the signal input pin of the single-chip microcomputer, and the single-chip microcomputer
Internal memory contains corresponding with the multiple control button multigroup first pwm control signal and the second pwm control signal.
5. multiple-channel output LED drive power as claimed in claim 1, it is characterised in that the first PWM constant-current control circuits
Including first switch pipe, the first PWM constant-current control circuits are adjusted described by the conducting state of the first switch pipe
The constant current size of first constant current output circuit output；
The 2nd PWM constant-current control circuits include second switch pipe, and the 2nd PWM constant-current control circuits pass through described second
The conducting state of switching tube adjusts the constant current size of second constant current output circuit output.
6. multiple-channel output LED drive power as claimed in claim 5, it is characterised in that the first PWM constant-current control circuits
Also include being used for the first control chip that the first switch pipe conducting state is controlled according to the first pwm control signal, described the
The control terminal of one switching tube is connected with first control chip, and the input of the first switch pipe supplies with first direct current
Circuit is connected, and output end is connected with first constant current output circuit.
7. multiple-channel output LED drive power as claimed in claim 6, it is characterised in that the model of first control chip
For FP7175 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720275820.0U CN206650873U (en) | 2017-03-16 | 2017-03-16 | Multiple-channel output LED drive power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720275820.0U CN206650873U (en) | 2017-03-16 | 2017-03-16 | Multiple-channel output LED drive power |
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| Publication Number | Publication Date |
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| CN206650873U true CN206650873U (en) | 2017-11-17 |
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| CN201720275820.0U Expired - Fee Related CN206650873U (en) | 2017-03-16 | 2017-03-16 | Multiple-channel output LED drive power |
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| CN108966424A (en) * | 2018-08-14 | 2018-12-07 | 湖南品胜生物技术有限公司 | A kind of control method of microscope light source |
| CN108966431A (en) * | 2018-09-07 | 2018-12-07 | 横店集团得邦照明股份有限公司 | A kind of circuit and its control method for realizing light modulation toning suitable for low current |
| CN109688663A (en) * | 2019-01-24 | 2019-04-26 | 深圳中电数码显示有限公司 | A kind of colour temperature adjusts circui, circuit board, teaching one-piece |
| CN110740543A (en) * | 2019-06-19 | 2020-01-31 | 宁波凯耀电器制造有限公司 | Intelligent lamp control circuit |
| CN112333889A (en) * | 2020-11-25 | 2021-02-05 | 深圳创维－Rgb电子有限公司 | Double-direct-drive LED power circuit and television |
| WO2023207372A1 (en) * | 2022-04-29 | 2023-11-02 | 佛山市威得士灯饰电器有限公司 | Modular led driving circuit |
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2017
- 2017-03-16 CN CN201720275820.0U patent/CN206650873U/en not_active Expired - Fee Related
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| CN108966424A (en) * | 2018-08-14 | 2018-12-07 | 湖南品胜生物技术有限公司 | A kind of control method of microscope light source |
| CN108966431A (en) * | 2018-09-07 | 2018-12-07 | 横店集团得邦照明股份有限公司 | A kind of circuit and its control method for realizing light modulation toning suitable for low current |
| CN109688663A (en) * | 2019-01-24 | 2019-04-26 | 深圳中电数码显示有限公司 | A kind of colour temperature adjusts circui, circuit board, teaching one-piece |
| CN109688663B (en) * | 2019-01-24 | 2021-05-07 | 深圳中电数码显示有限公司 | Color temperature adjusting circuit, circuit board and teaching all-in-one machine |
| CN110740543A (en) * | 2019-06-19 | 2020-01-31 | 宁波凯耀电器制造有限公司 | Intelligent lamp control circuit |
| CN112333889A (en) * | 2020-11-25 | 2021-02-05 | 深圳创维－Rgb电子有限公司 | Double-direct-drive LED power circuit and television |
| WO2023207372A1 (en) * | 2022-04-29 | 2023-11-02 | 佛山市威得士灯饰电器有限公司 | Modular led driving circuit |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20171117 |