CN206402488U - One kind light modulation toning control circuit and LED illumination product - Google Patents
One kind light modulation toning control circuit and LED illumination product Download PDFInfo
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Abstract
The utility model provides a kind of light modulation toning control circuit and LED illumination product, and the light modulation toning control circuit includes：Bluetooth communication module, ac input end, commutation supply voltage module, controller, LED drive module and LED light source module；After the rectified power supply module of alternating current of ac input end, bluetooth communication module, controller and LED drive module are supplied power to respectively, the bluetooth communication module sends the control signal received to the controller, and the controller receives the control signal and exports pwm control signal to the LED drive module according to the control signal.So, light modulation toning control circuit in the utility model can carry out Bluetooth remote control by the device with Bluetooth function, such as blue Tooth remote controller or mobile device, make product while property convenient to use, the visualization system sexual clorminance of operation is had concurrently, be kept low Costco Wholesale.
Description
Technical Field
The utility model relates to a LED lighting technology field especially relates to a mixing of colors control circuit and LED illumination product adjust luminance.
Background
With the popularization and application of the LED in the illumination field, the adjustable light and color lamp is used more and more as an intelligent product which can meet the requirements of different use environments. So-called dimming, i.e. adjusting the brightness of a light source; the term "color temperature" is generally used to refer to the adjustment of the color of a light source, and refers to the temperature of a black body at which the color of light emitted from the light source coincides with the hue of light emitted from the black body at a certain temperature. The difference between the color temperature and the brightness is often not perceived as the same. Therefore, the brightness and the color temperature of the light source are accurately adjusted, and the market competitiveness of the LED illumination product is favorably improved.
The main external control modes at present comprise a remote controller, an upper computer, a dimmer, mobile equipment, a switch and the like. When the remote controller is used for controlling, due to uncertainty of a remote control wireless transmitting direction, misoperation of peripheral lamps is often caused; the equipment controlled by the upper computer has high investment cost and is generally used less at home; the structure mode of the dimmer control system is complex, and a control circuit needs to be arranged in advance; the mobile equipment is inconvenient to use because the mobile equipment needs to open a mobile phone to find software; the switch control applicability is single, and only a limited number of scenes can be achieved. Therefore, a solution of a high cost-effective dimming and color-mixing control circuit is urgently needed.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a mixing of colors control circuit and LED illumination product adjust luminance provides the mixing of colors control circuit solution of adjusting luminance of a high price/performance ratio.
In a first aspect, the utility model provides a mixing of colors control circuit adjusts luminance, it includes to adjust luminance mixing of colors control circuit: the LED driving circuit comprises a Bluetooth communication module, an alternating current input end, a rectification power supply module, a controller, an LED driving module and an LED light source module;
the alternating current input end is connected with the rectification power supply module; the rectification power supply module is respectively connected with the Bluetooth communication module, the controller and the LED driving module; the Bluetooth communication module is connected with the controller; the controller is connected with the LED driving module; the LED driving module is connected with the LED power supply module;
the Bluetooth communication module sends a received control signal to the controller, and the controller receives the control signal and outputs a PWM control signal to the LED driving module according to the control signal.
Optionally, the dimming and toning control circuit further includes: a Bluetooth remote control device;
the Bluetooth remote control device is connected with the Bluetooth communication module through Bluetooth.
Optionally, the bluetooth remote control device comprises: mobile device and bluetooth remote controller.
Optionally, the dimming and toning control circuit further includes: a mechanical switch;
the mechanical switch is connected with the controller; or,
the mechanical switch is connected between the alternating current input end and the rectification power supply module.
Optionally, the rectification power supply module includes: a rectifying unit and a voltage regulating unit;
the input end of the rectifying unit is connected with the alternating current input end, the output end of the rectifying unit is connected with the input end of the voltage regulating unit, and the output end of the voltage regulating unit is connected with the Bluetooth communication module, the controller and the LED driving module respectively.
Optionally, the rectifying unit includes a rectifying bridge, and the voltage regulating unit includes a PFC circuit;
the input end of the rectifier bridge is connected with the alternating current input end, the output end of the rectifier bridge is connected with the input end of the PFC circuit, and the output end of the PFC circuit is connected with the Bluetooth communication module, the controller and the LED driving module respectively.
Optionally, the rectifier bridge comprises: a first diode, a second diode, a third diode and a fourth diode; the PFC circuit includes: the driving circuit comprises a first inductor, a fifth diode, a driving chip, a first switching tube and a first capacitor;
the anode of the first diode is connected with the cathode of the fourth diode, the cathode of the first diode is connected with the cathode of the second diode, the anode of the second diode is connected with the cathode of the third diode, and the anode of the third diode is connected with the anode of the fourth diode; the anode of the first diode is connected with the first end of the alternating current input end, and the cathode of the third diode is connected with the second end of the alternating current input end;
the cathode of the first diode is connected with the first end of the first inductor, and the anode of the third diode is respectively connected with the low-level end of the first switching tube and the first end of the first capacitor; a second end of the first inductor is connected with an anode of the fifth diode and a high-level end of the first switching tube respectively, and a control end of the first switching tube is connected with the driving chip; and the cathode of the fifth diode is connected with the second end of the first capacitor.
Optionally, the LED driving module includes: a first buck conversion circuit and a second buck conversion circuit; the LED light source includes: a warm light LED light source and a cold light LED light source;
the input end of the first buck change circuit is connected to a first PWM signal output by the controller, and the output end of the first buck conversion circuit is connected with the warm light LED light source; the input end of the second buck change circuit is connected to a second PWM signal output by the controller, and the output end of the second buck change circuit is connected with the cold light LED light source.
Optionally, the controller is a micro control unit MCU.
In a second aspect, the utility model provides a LED illumination product, including the arbitrary mixing of colors control circuit of adjusting luminance of above-mentioned.
According to the above technical scheme, the utility model provides a mixing of colors control circuit and LED illumination product adjust luminance, it includes to adjust luminance mixing of colors control circuit: the LED driving circuit comprises a Bluetooth communication module, an alternating current input end, a rectification power supply module, a controller, an LED driving module and an LED light source module; alternating current of the alternating current input end is rectified by the rectification power supply module and then respectively supplies power to the Bluetooth communication module, the controller and the LED driving module, the Bluetooth communication module sends a received control signal to the controller, and the controller receives the control signal and outputs a PWM control signal to the LED driving module according to the control signal. Therefore, the utility model provides a device that mixing of colors control circuit accessible of adjusting luminance has bluetooth function carries out bluetooth remote control, like bluetooth remote controller or mobile device, makes the product have the visual systemic advantage of convenient to use agility, operation concurrently, makes the price cost keep at lower level, is the mixing of colors control circuit solution of adjusting luminance of a high price/performance ratio.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a dimming and color-mixing control circuit according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a dimming and color-mixing control circuit according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a dimming and color-mixing control circuit according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a dimming and color-mixing control circuit according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a dimming and color-mixing control circuit according to another embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a rectifying unit and a voltage regulating unit according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a dimming and color-mixing control circuit according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is an embodiment of the present invention provides a light and color modulation control circuit, as shown in fig. 1, the light and color modulation control circuit includes: the LED lighting device comprises a Bluetooth communication module 1, an alternating current input end 2, a rectification power supply module 3, a controller 4, an LED driving module 5 and an LED light source module 6.
The alternating current input end 2 is connected with the rectification power supply module 3; the rectification power supply module 3 is respectively connected with the Bluetooth communication module 1, the controller 4 and the LED driving module 5; the Bluetooth communication module 1 is connected with the controller 4; the controller 4 is connected with the LED driving module 5; the LED driving module 5 is connected with the LED power supply module 6.
The Bluetooth communication module 1 sends the received control signal to the controller 4, and the controller 4 receives the control signal and outputs a PWM control signal to the LED driving module 5 according to the control signal.
Wherein, the controller can be a Micro Control Unit (MCU).
In this embodiment, the dimming and toning control circuit includes: the device comprises a Bluetooth communication module 1, an alternating current input end 2, a rectification power supply module 3, a controller 4, an LED driving module 5 and an LED light source module 6; alternating current that 2 inputs of AC input supplies power to bluetooth communication module 1, controller 4 and LED drive module 5 respectively after 3 rectifications of rectification power supply module, bluetooth communication module 1 with received control signal send to controller 4, controller 4 receives control signal and according to control signal output PWM control signal extremely LED drive module 5, so realize the control to LED light source module 6. So, adjust luminance mixing of colors control circuit accessible in this embodiment carries out bluetooth remote control through the device that has bluetooth function, like bluetooth remote controller or mobile device etc. make the product have convenient to use agility, visual systematic nature advantage of operation concurrently, make the price cost keep at lower level, be the mixing of colors control circuit solution of adjusting luminance of a high performance price ratio.
In an optional embodiment of the present invention, the dimming and color-mixing control circuit further comprises: a Bluetooth remote control device. The Bluetooth remote control device is connected with the Bluetooth communication module through Bluetooth.
As shown in fig. 2, the bluetooth remote control device includes: a mobile device 72 and a bluetooth remote controller 71.
In the embodiment, the Bluetooth remote controller 71 is used for controlling, so that a user can operate the Bluetooth remote controller by one key, and the Bluetooth remote controller can be turned on and off at will without being limited by using occasions; through the control of the mobile device 72, the control app is installed by utilizing the mobile device of the user, and all intelligent lamps can be visually and systematically managed.
In an optional embodiment of the present invention, the dimming and color-mixing control circuit further comprises: and (4) a mechanical switch.
As shown in fig. 3, the mechanical switch 8 is connected to the controller.
As shown in fig. 4, the mechanical switch 8 is connected between the ac input terminal 2 and the rectified power supply module 3.
Specifically, when the mechanical switch 8 is used for control, if the controller 4 is internally provided with a FLASH memory, three output duty ratio states can be preset: 1, 100 paths and 2 paths 0; 0 in 1 path and 100 in 2 paths; ③ 50 percent of 1 path and 50 percent of 2 paths. The switch MCU detects the power-on state count of the VCC (namely detects the power-on state count of the mechanical switch 8), and the three states are sequentially and circularly generated, so that the aim of dimming and toning the LED lamp is fulfilled. Of course, more output duty states may be preset, which is not limited in the embodiment.
In this embodiment, compatible three kinds of control methods of remote controller, mobile device and mechanical switch simultaneously, its advantage effect lies in that bluetooth control module can receive outside mobile device and bluetooth remote controller's control signal, controls original LED drive module, has compatible the mode of mechanical switch mixing of colors of adjusting luminance simultaneously, has very strong practicality. This mixing of colors control circuit that adjusts luminance promptly can make LED lamps and lanterns have bluetooth remote controller, mobile device control concurrently, three kinds of mixing of colors functions of adjusting luminance of wall mechanical switch control. The three functions can respectively and independently realize the dimming and color mixing control of the LED lamp and can also ensure that the LED lamp does not interfere with each other in the using process.
Particularly, the Bluetooth remote controller is used for controlling, so that a user can operate the Bluetooth remote controller in one key mode, and the Bluetooth remote controller can be turned on and off at will without being limited by using occasions; through the control of the mobile equipment, the control app is installed by utilizing the mobile equipment of the user, and all intelligent lamps can be visually and systematically managed; and the control is realized through a mechanical switch without any external equipment. The three functions can respectively and independently realize the dimming and color mixing control of the LED lamp and can ensure that the LED lamp does not interfere with each other in the use process
Specifically, as shown in fig. 5, the rectification power supply module 3 specifically includes: a rectifying unit 31 and a voltage regulating unit 32.
Wherein, the input of rectification unit 31 with 2 end connections of alternating current input, the output of rectification unit 31 with the input of voltage regulating unit 32 is connected, the output of voltage regulating unit 32 respectively with bluetooth communication module 1 controller 4 reaches LED drive module 5 connects.
For example, the rectifying unit may include a rectifying bridge, and the voltage regulating unit may include a Power Factor Correction (PFC) circuit.
The input end of the rectifier bridge is connected with the alternating current input end, the output end of the rectifier bridge is connected with the input end of the PFC circuit, and the output end of the PFC circuit is connected with the Bluetooth communication module, the controller and the LED driving module respectively.
Specifically, as shown in fig. 6, the rectifier bridge includes: a first diode D1, a second diode D2, a third diode D3, and a fourth diode D4; the PFC circuit includes: the driving circuit comprises a first inductor L1, a fifth diode D5, a driving chip U1, a first switch tube Q1 and a first capacitor C1.
The anode of the first diode D1 is connected with the cathode of the fourth diode D4, the cathode of the first diode D1 is connected with the cathode of the second diode D2, the anode of the second diode D2 is connected with the cathode of the third diode D3, and the anode of the third diode D3 is connected with the anode of the fourth diode D4; the anode of the first diode D1 is connected with the first end of the alternating current input end 2, and the cathode of the third diode D3 is connected with the second end of the alternating current input end 2; the cathode of the first diode D1 is connected to the first end of the first inductor L1, and the anode of the third diode D3 is connected to the low-level end of the first switch transistor Q1 and the first end of the first capacitor C1, respectively; a second end of the first inductor L1 is connected to an anode of the fifth diode D5 and a high-level end of the first switch Q1, respectively, and a control end of the first switch Q1 is connected to the driver chip U1; the cathode of the fifth diode D5 is connected to the second terminal of the first capacitor C1.
In this embodiment, ac power input from the ac input terminal 2 is rectified by the rectifier bridge in the rectification power supply module 3 and boosted by the PFC circuit, and then is supplied to the bluetooth communication module 1, the controller 4, and the LED driving module 5.
In an optional embodiment of the present invention, as shown in fig. 7, the LED driving module includes: a first buck converter circuit 51 (i.e., buck circuit) and a second buck converter circuit 52; the LED light source includes: a warm light LED source 61 and a cool light LED source 62.
The input end of the first buck-type change circuit 51 is connected to the first PWM signal output by the controller 4, and the output end of the first buck-type change circuit 51 is connected to the warm light LED light source 61; the input end of the second buck-type change circuit 52 is connected to the second PWM signal output by the controller 4, and the output end of the second buck-type change circuit 52 is connected to the cold light LED light source 62.
In this embodiment, the bluetooth communication module 1 can receive a bluetooth control signal sent by an external bluetooth remote controller 71 or a mobile device 72, and performs data interaction with the controller 4 through a signal line, the controller 4 can adopt an STC15W series 8-bit singlechip of the relevant company, after the digital signal analysis requirement, two paths of PWM rectangular waves (a first PWM signal and a second PWM signal) of independent duty ratio signals are generated, and sent to the LED driving module 5, the LED driving module 5 outputs two independent DC power sources, namely, the first buck converter circuit 51 and the second buck converter circuit 52, can independently control the cold color and warm color output of the lamp, for example, the LED driving module 5 can adopt MT781X series chips of related companies, the chip is internally provided with the PWM dimming pin, and the size of output current is correspondingly changed by detecting the change of the PWM waveform duty ratio, so that the requirement of dimming and color mixing of the LED is met.
An embodiment of the utility model provides a LED illumination product, LED illumination product includes the mixing of colors control circuit of adjusting luminance in any embodiment of the aforesaid. Because the LED lighting product comprises any one of the dimming and toning control circuits, the same technical problems can be solved, and the same technical effects can be obtained.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A dimming and toning control circuit, which is characterized by comprising: the LED driving circuit comprises a Bluetooth communication module, an alternating current input end, a rectification power supply module, a controller, an LED driving module and an LED light source module;
the alternating current input end is connected with the rectification power supply module; the rectification power supply module is respectively connected with the Bluetooth communication module, the controller and the LED driving module; the Bluetooth communication module is connected with the controller; the controller is connected with the LED driving module; the LED driving module is connected with the LED power supply module;
the Bluetooth communication module sends a received control signal to the controller, and the controller receives the control signal and outputs a PWM control signal to the LED driving module according to the control signal.
2. The dimming and toning control circuit of claim 1, further comprising: a Bluetooth remote control device;
the Bluetooth remote control device is connected with the Bluetooth communication module through Bluetooth.
3. The dimming and toning control circuit of claim 2, wherein the bluetooth remote control device comprises: mobile device and bluetooth remote controller.
4. The dimming and toning control circuit of claim 1, further comprising: a mechanical switch;
the mechanical switch is connected with the controller; or,
the mechanical switch is connected between the alternating current input end and the rectification power supply module.
5. The dimming and toning control circuit of any one of claims 1-4, wherein the rectifying power supply module comprises: a rectifying unit and a voltage regulating unit;
the input end of the rectifying unit is connected with the alternating current input end, the output end of the rectifying unit is connected with the input end of the voltage regulating unit, and the output end of the voltage regulating unit is connected with the Bluetooth communication module, the controller and the LED driving module respectively.
6. The dimming and toning control circuit of claim 5, wherein the rectifying unit comprises a rectifying bridge, and the voltage regulating unit comprises a Power Factor Correction (PFC) circuit;
the input end of the rectifier bridge is connected with the alternating current input end, the output end of the rectifier bridge is connected with the input end of the PFC circuit, and the output end of the PFC circuit is connected with the Bluetooth communication module, the controller and the LED driving module respectively.
7. The dimming and toning control circuit of claim 6, wherein the rectifier bridge comprises: a first diode, a second diode, a third diode and a fourth diode; the PFC circuit includes: the driving circuit comprises a first inductor, a fifth diode, a driving chip, a first switching tube and a first capacitor;
the anode of the first diode is connected with the cathode of the fourth diode, the cathode of the first diode is connected with the cathode of the second diode, the anode of the second diode is connected with the cathode of the third diode, and the anode of the third diode is connected with the anode of the fourth diode; the anode of the first diode is connected with the first end of the alternating current input end, and the cathode of the third diode is connected with the second end of the alternating current input end;
the cathode of the first diode is connected with the first end of the first inductor, and the anode of the third diode is respectively connected with the low-level end of the first switching tube and the first end of the first capacitor; a second end of the first inductor is connected with an anode of the fifth diode and a high-level end of the first switching tube respectively, and a control end of the first switching tube is connected with the driving chip; and the cathode of the fifth diode is connected with the second end of the first capacitor.
8. The dimming and toning control circuit according to any one of claims 1-4, wherein the LED driving module comprises: a first buck conversion circuit and a second buck conversion circuit; the LED light source includes: a warm light LED light source and a cold light LED light source;
the input end of the first buck change circuit is connected to a first PWM signal output by the controller, and the output end of the first buck conversion circuit is connected with the warm light LED light source; the input end of the second buck change circuit is connected to a second PWM signal output by the controller, and the output end of the second buck change circuit is connected with the cold light LED light source.
9. Dimming and toning control circuit according to any one of claims 1 to 4, characterized in that the controller is a Micro Control Unit (MCU).
10. An LED lighting product comprising the dimming and toning control circuit of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621348792.2U CN206402488U (en) | 2016-12-09 | 2016-12-09 | One kind light modulation toning control circuit and LED illumination product |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621348792.2U CN206402488U (en) | 2016-12-09 | 2016-12-09 | One kind light modulation toning control circuit and LED illumination product |
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| CN206402488U true CN206402488U (en) | 2017-08-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493627A (en) * | 2017-08-16 | 2017-12-19 | 盐城莱廷绍工业技术有限公司 | A kind of bluetooth dimming LED (Light Emitting Diode) driving power |
| CN110099475A (en) * | 2018-01-31 | 2019-08-06 | 长沙泰科阳微电子有限公司 | A kind of non-isolated high PF blue-tooth intelligence light adjusting circuit structure |
-
2016
- 2016-12-09 CN CN201621348792.2U patent/CN206402488U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493627A (en) * | 2017-08-16 | 2017-12-19 | 盐城莱廷绍工业技术有限公司 | A kind of bluetooth dimming LED (Light Emitting Diode) driving power |
| CN110099475A (en) * | 2018-01-31 | 2019-08-06 | 长沙泰科阳微电子有限公司 | A kind of non-isolated high PF blue-tooth intelligence light adjusting circuit structure |
| CN110099475B (en) * | 2018-01-31 | 2024-03-15 | 长沙泰科阳微电子有限公司 | Non-isolation high PF Bluetooth intelligent dimming circuit structure |
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Address after: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Co-patentee after: Midea Group Co., Ltd. Patentee after: Meizhi Photoelectric Technology Co., Ltd. Address before: 335400 Luohe Industrial Park No. 1, Guixi City, Yingtan City, Jiangxi Province Co-patentee before: Midea Group Co., Ltd. Patentee before: Jiangxi Meidi Guiya Lighting Co., Ltd. |
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Effective date of registration: 20200609 Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee after: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Co-patentee before: MIDEA GROUP Co.,Ltd. Patentee before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee after: Meizhi Optoelectronic Technology Co., Ltd Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |