CN214228507U - LED lamp touch dimming circuit, device and lamp - Google Patents
LED lamp touch dimming circuit, device and lamp Download PDFInfo
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- CN214228507U CN214228507U CN202120134443.5U CN202120134443U CN214228507U CN 214228507 U CN214228507 U CN 214228507U CN 202120134443 U CN202120134443 U CN 202120134443U CN 214228507 U CN214228507 U CN 214228507U
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Abstract
The application relates to the electronic control technology, provides a LED lamp touch dimmer circuit, device and lamps and lanterns, and LED lamp touch dimmer circuit includes: the power supply module is used for supplying power to the LED lamp; the touch assembly is provided with a touch path and outputs a matched touch signal according to a touch stroke corresponding to touch operation; and the dimming control module is connected with the power supply module and the touch assembly, provides a dimming signal for the power supply module, and adjusts the dimming signal according to the touch signal output by the touch assembly so as to adjust the voltage or current output to the LED lamp by the power supply module. Through adopting the touch assembly to transmit the touch signal to the dimming control module so as to adjust the dimming signal, the voltage or the current of the LED lamp is further adjusted, so that the whole LED lamp dimming process is simple to operate, and the light brightness is adjusted at will.
Description
Technical Field
The application belongs to the technical field of electronic control, especially relates to a through finger slip touch singlechip application system that adjusts luminance, specifically is a LED lamp touch dimming circuit, device and lamps and lanterns.
Background
The dimming technology of the signal lamp in the market through a touch mode is mature, and the dimming technology is widely applied to daily life. With the enhancement of the environmental protection and energy saving consciousness of people, a large number of Light Emitting Diode (LED) lamps appear in the lighting market, and the LED lamps are advocated by people because of the advantages of safety, no pollution, high efficiency, high stability and the like, have the tendency of gradually replacing the traditional incandescent lamps, and are bound to become the mainstream of the future lighting lamps.
However, most of the existing dimming of the LED lamps in the market is realized by increasing or decreasing the dimming buttons, the dimming operation can only be realized by repeatedly pressing the buttons or pressing a plurality of buttons, the operation is complex, the dimming brightness can only be set several color temperatures, and the brightness can not be adjusted randomly according to the preference of the user.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a LED lamp touch dimmer circuit, device and lamps and lanterns, aim at solving the LED lamp dimming operation that exists among the traditional technical scheme complicated, can not adjust at will the problem.
This application first aspect provides a LED lamp touch dimmer circuit, includes:
the power supply module is used for supplying power to the LED lamp;
the touch assembly is provided with a touch path and outputs a matched touch signal according to a touch stroke corresponding to the touch operation;
and the dimming control module is connected with the power supply module and the touch assembly, provides a dimming signal for the power supply module, and adjusts the dimming signal according to the touch signal output by the touch assembly so as to adjust the voltage or current output to the LED lamp by the power supply module.
In one embodiment, the touch member has a start side and an end side, and the touch operation is a sliding touch operation from the start side to the end side.
In one embodiment, the touch assembly includes a touch slider; or
The touch assembly comprises a plurality of touch keys which are arranged at intervals, wherein the first touch key is the starting side, and the last touch key is the tail side.
In one embodiment, the touch control device further comprises a plurality of indicator lamps respectively connected with the dimming control module, the plurality of indicator lamps are arranged in an array, the plurality of indicator lamps are used for indicating touch operation, and the lighting number of the plurality of indicator lamps is matched with the touch stroke.
In one embodiment, the dimming control module drives a plurality of indicator lamps to light up corresponding numbers according to the touch signals matched with the touch travel.
In one embodiment, the arrangement extending direction of the plurality of indicator lamps is the same as the arrangement extending direction of the touch assembly.
In one embodiment, the touch signal is a capacitance signal, and the touch operation is to change a capacitance of the capacitance signal according to a touch thereof.
In one embodiment, the dimming signal is a PWM signal, and the dimming control module adjusts a duty ratio of the PWM signal according to a change in the touch signal.
The application provides a second aspect of a touch dimming device for an LED lamp, which comprises the touch dimming circuit for the LED lamp.
The third aspect of the application provides an LED lamp, which includes an LED lamp and the above LED lamp touch dimming circuit.
Compared with the prior art, the application has the beneficial effects that: through adopting the touch assembly to transmit the touch signal to the dimming control module so as to adjust the dimming signal, the voltage or the current of the LED lamp is further adjusted, so that the whole LED lamp dimming process is simple to operate, and the light brightness is adjusted at will.
Drawings
Fig. 1 is a schematic block diagram of an LED lamp touch dimming circuit provided in an embodiment of the present application;
FIG. 2 is a schematic circuit diagram of a power supply module of the LED lamp touch dimmer circuit shown in FIG. 1;
FIG. 3 is a schematic circuit diagram of a touch component and a dimming control module of the LED lamp touch dimming circuit shown in FIG. 1;
FIG. 4 is a schematic structural diagram of an embodiment of an indicator light and a touch component of the LED light touch dimming circuit shown in FIG. 3;
fig. 5 is a schematic structural diagram of another embodiment of an indicator light and a touch component of the LED light touch dimming circuit shown in fig. 3.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1, a touch dimming circuit for an LED lamp according to a first aspect of the present disclosure includes a power supply module 100, a touch component 200, and a dimming control module 300.
The power supply module 100 is used for supplying power to the LED lamp 10; the touch assembly 200 has a touch path, and the touch assembly 200 outputs a matched touch signal according to a touch stroke corresponding to a touch operation; the dimming control module 300 is connected to the power supply module 100 and the touch assembly 200, and the dimming control module 300 provides the dimming signal to the power supply module 100 and adjusts the dimming signal according to the touch signal output by the touch assembly 200, so as to adjust the voltage or current output by the power supply module 100 to the LED lamp 10.
The dimming control module 300 adjusts the duty ratio of the PWM signal according to the change of the touch signal transmitted by the touch assembly 200, and then transmits the PWM signal to the power supply module 100 as the dimming signal, so as to adjust the voltage or current of the LED lamp 10, thereby achieving the effect of adjusting the brightness of the LED lamp 10, the operation of the whole process is simple, and the touch path of the touch assembly 200 enables the brightness of the LED lamp 10 to be adjusted at will.
Alternatively, the dimming signal is a PWM signal, and the dimming control module 300 adjusts a duty ratio of the PWM signal according to a change of the touch signal.
Referring to fig. 2, the power supply module 100 is a dc boost circuit, a dc buck circuit, or a dc boost-buck circuit, and in this embodiment, the power supply module 100 includes a control chip U1, an energy storage inductor L1, a switching tube Q1, a freewheeling diode D1, a filter capacitor C1, and a sampling resistor.
The control chip U1 may be a constant current driving chip or a constant voltage driving chip, the control chip U1 receives the dimming signal provided by the dimming control module 300 and outputs a corresponding switch control signal to the switching tube Q1, and the voltage or current output to the LED lamp 10 is adjusted by controlling the on/off of the switching tube Q1; the energy storage inductor L1 is used for converting electric energy into magnetic energy to be stored when the switching tube Q1 is switched on, and converting the stored magnetic energy into electric energy to be released to supply power to a load when the switching tube Q1 is switched off; the switching tube Q1 is used for switching on or off according to the driving pulse signal output by the control chip U1; the freewheeling diode D1 is used for protecting circuit elements from being broken down or burnt out by the sudden change voltage generated by the energy storage inductor L1; and the filter capacitor C1 is used for reducing the pulsation of the output voltage.
The signal input end of the control chip U1 is connected with the dimming signal output end of the dimming control module 300 through a dimming port DIM, the signal output end of the control chip U1 is connected with the control end of the open light tube Q1, the high potential end of the switch tube Q1 is connected with the power through an inductor L1, the high potential end of the switch tube Q1 is further connected with the anode of a freewheeling diode D1, the low potential end of the switch tube Q1 is grounded through a sampling resistor, the sampling resistor comprises a first resistor R1 and a second resistor R2, the first resistor R1 and the second resistor R2 are connected in parallel and used for providing a feedback signal related to output voltage for the control chip U1, the control chip U1 adjusts output according to the feedback current, and the cathode of the freewheeling diode D1 is grounded through a filter capacitor C1.
Referring to fig. 3, the touch device 200 is connected to the signal input terminal of the dimming control module 300 through a resistor, which has an impedance matching function, or a current limiting function, or a voltage dividing function.
The dimming control module 300 further includes a power supply circuit 310 connected to a power input terminal of the dimming control module 300 for supplying power to the dimming control module 300, wherein the power supply circuit 310 is configured based on a low dropout regulator (LDO) and provides a working voltage for the dimming control module 300.
Referring to fig. 4 and 5, in one embodiment, the touch assembly 200 has a start side 201 and an end side 202, and the touch operation is a sliding touch operation from the start side 201 to the end side 202. The touch stroke slides from the starting side 201 to the ending side 202 in a touch manner, during dimming, only the touch component 200 needs to be touched for operation, random dimming can be realized by starting from the starting side 20 and performing touch operation on the ending side 202, and the dimming amplitude is matched with the touch stroke of the touch operation.
Referring to FIG. 4, in one embodiment, the touch assembly 200 includes a touch slider 210. The touch assembly 200 is designed into a touch slider 210, so that the application device panel is simpler and easier to operate, and the touch stroke when the touch slider 210 is touched is from the starting side 201 to the ending side 202, for example, from left to right; but may of course be arranged to slide from right to left.
Referring to fig. 5, in another embodiment, the touch assembly 200 includes a plurality of touch keys 220 arranged at intervals, a first touch key 221 is a start side 201, and a last touch key 222 is a tail side 202. The touch assembly 200 is designed into a plurality of touch keys 220 arranged at intervals, so that the touch operation is more intuitive and visible, and the touch stroke when the touch operation is performed on the plurality of touch keys 220 arranged at intervals is performed with a sliding touch operation from the starting side 201 to the ending side 202, that is, a sliding touch operation is performed from the first touch key 221 to the last touch key 222, for example, a sliding operation is performed from left to right; but may of course be arranged to slide from right to left.
In one embodiment, the LED lamp touch dimming circuit further includes a plurality of indicator lamps 400 respectively connected to the dimming control module 300, the plurality of indicator lamps 400 are arranged in a row, the plurality of indicator lamps 400 are used for indicating a touch operation, and the number of the plurality of indicator lamps 400 that are lit matches a touch stroke.
In other embodiments, one or both of the touch assembly 200 and the plurality of indicator lights 400 may be shaped or arranged in an arc, ring, etc.
Referring to fig. 3, anodes of the plurality of indicator lamps 400 are respectively connected to the driving output terminal of the dimming control module 300 through the ports LED 1-LEDn, and respond correspondingly according to the driving signal output by the dimming control module 300, and a cathode of each indicator lamp 400 is grounded through a resistor. Arrange a plurality of pilot lamps 400 and arrange and make the circuit neater and more convenient for observe the degree of adjusting luminance, the number of lighting and the touch stroke matching of a plurality of pilot lamps 400 are favorable to observing touch operation and the degree of adjusting luminance.
In one embodiment, the dimming control module 300 drives the plurality of indicator lamps 400 to light up the corresponding number according to the touch signal matched with the touch stroke. Alternatively, the touch signal is a capacitance signal, and the touch operation is to change a capacitance of the capacitance signal according to a touch thereof. When the touch assembly 200 is touched by an external human body, the capacitance change of the touch assembly 200 is transmitted to the dimming control module 300 as a touch signal through the signal input end of the dimming control module 300, the dimming control module 300 drives the indicator lamps to light up by a corresponding number according to the change of the received touch signal, and the change of the touch signal is in response to the length of the touch stroke. The plurality of indicator lamps 400 light the corresponding number according to the touch stroke, so that the touch stroke is visualized to facilitate the control of the dimming amplitude.
Referring to fig. 4 and 5, in one embodiment, the plurality of indicator lamps 400 are arranged in the same extending direction as the touch assembly 200. The overall layout of the indicator lamps 400 and the touch assembly 200 is tidy, when the touch assembly 200 is touched, the number of the indicator lamps 400 which are lighted responds to the length of a touch stroke, the direction of the indicator lamps 400 which are sequentially lighted is consistent with the direction of the touch operation, and the number of the indicator lamps 400 which are sequentially lighted is consistent with the stroke of the touch operation, so that the touch operation and the stroke are visual, the visualization is beneficial to the control, and even if the dimming degree of the LED lamp 10 is visualized, the dimming operation is easy to control.
In one embodiment, when an external human body starts to touch the sliding touch slider 210 from the start side 201 of the touch slider 210 to a position corresponding to a first LED lamp, the capacitance at the touch position changes, a signal input end forming the touch signal dimming control module 300 is transmitted to the dimming control module 300, the dimming control module 300 drives the indicator lamp to light the first indicator lamp from the start side 201 according to the change of the received touch signal, other lamps are not lighted, the dimming control module 300 simultaneously adjusts the dimming signal transmitted to the power supply module 100 according to the change of the received touch signal, that is, adjusts the duty ratio of the PWM signal, and the power supply module 100 adjusts the voltage or current output to the LED lamp 10 according to the received dimming signal, thereby adjusting the brightness of the LED lamp 10.
When an external human body starts to touch the sliding touch sliding bar 210 from the start side 201 of the touch sliding bar 210 to a position corresponding to a second LED lamp, the capacitance at the touch position changes, a signal input end of the touch signal dimming control module 300 is formed and transmitted to the dimming control module 300, the dimming control module 300 drives the indicator lamps to light the first indicator lamp and the second indicator lamp starting from the start side 201 according to the change of the received touch signal, other lamps are not lighted, the dimming control module 300 simultaneously adjusts the dimming signal transmitted to the power supply module 100 according to the change of the received touch signal, that is, adjusts the duty ratio of the PWM signal, and the power supply module 100 adjusts the voltage or current output to the LED lamp 10 according to the received dimming signal, thereby adjusting the brightness of the LED lamp 10.
Similarly, when an external human body starts to touch the sliding touch bar 210 from the start side 201 of the touch bar 210 to the end side 202 corresponding to the last LED lamp, the capacitance at the touched position changes, the signal input end forming the touch signal dimming control module 300 is transmitted to the dimming control module 300, the dimming control module 300 drives the indicator lamps to light all the indicator lamps from the start side 201 to the end side 202 according to the change of the received touch signal, the dimming control module 300 simultaneously adjusts the dimming signal transmitted to the power supply module 100 according to the change of the received touch signal, that is, adjusts the duty ratio of the PWM signal, and the power supply module 100 adjusts the voltage or current output to the LED lamp 10 according to the received dimming signal, thereby adjusting the brightness of the LED lamp 10.
In another embodiment, when an external human body starts to touch and slide from the start side 201 of the plurality of touch keys 220 arranged at intervals to the first touch key, the capacitance at the touch position changes, the signal input end forming the touch signal dimming control module 300 is transmitted to the dimming control module 300, the dimming control module 300 drives the indicator lamp to light the first indicator lamp started from the start side 201 according to the change of the received touch signal, other lamps are not lighted, the dimming control module 300 simultaneously adjusts the dimming signal transmitted to the power supply module 100 according to the change of the received touch signal, that is, adjusts the duty ratio of the PWM signal, and the power supply module 100 adjusts the voltage or current output to the LED lamp 10 according to the received dimming signal, thereby adjusting the brightness of the LED lamp 10.
When an external human body starts to touch and slide from the start side 201 of the plurality of touch keys 220 arranged at intervals to the second touch key, the capacitance at the touch part changes, the signal input end forming the touch signal dimming control module 300 is transmitted to the dimming control module 300, the dimming control module 300 drives the indicator lamps to light the first indicator lamp and the second indicator lamp starting from the start side 201 according to the change of the received touch signal, other lamps are not lighted, the dimming control module 300 simultaneously adjusts the dimming signal transmitted to the power supply module 100 according to the change of the received touch signal, namely, adjusts the duty ratio of the PWM signal, and the power supply module 100 adjusts the voltage or current output to the LED lamp 10 according to the received dimming signal, thereby adjusting the brightness of the LED lamp 10.
Similarly, when an external human body starts to touch and slide from the start side 201 to the last touch key, i.e., the end side 202, of the plurality of touch keys 220 arranged at intervals, the capacitance at the touch part changes, the signal input end forming the touch signal dimming control module 300 is transmitted to the dimming control module 300, the dimming control module 300 drives the indicator lamps to light all the indicator lamps starting from the start side 201 to the end side 202 according to the change of the received touch signal, the dimming control module 300 simultaneously adjusts the dimming signal transmitted to the power supply module 100 according to the change of the received touch signal, i.e., adjusts the duty ratio of the PWM signal, and the power supply module 100 adjusts the voltage or current output to the LED lamp 10 according to the received dimming signal, thereby adjusting the brightness of the LED lamp 10.
A second aspect of the embodiments of the present application provides an LED lamp touch dimming device, including the LED lamp touch dimming circuit provided above. The dimming control of the LED lamp 10 can be realized by performing touch operation on the touch assembly 200, and the operation is simple; meanwhile, the touch stroke is indicated by lighting the corresponding number of the plurality of LED lamps 400 according to the touch stroke, so that the dimming degree of the LED lamp 10 is indirectly indicated, and the dimming operation is visual and is easy to control.
A third aspect of the embodiments of the present application provides an LED lamp, which includes an LED lamp 10, and the LED lamp touch dimming circuit provided above. The dimming control of the LED lamp 10 can be realized by performing touch operation on the touch assembly 200, and the operation is simple; meanwhile, the touch stroke is indicated by lighting the corresponding number of the plurality of LED lamps 400 according to the touch stroke, so that the dimming degree of the LED lamp 10 is indirectly indicated, and the dimming operation is visual and is easy to control.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill 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 substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. An LED lamp touch dimmer circuit, comprising:
the power supply module is used for supplying power to the LED lamp;
the touch assembly is provided with a touch path and outputs a matched touch signal according to a touch stroke corresponding to touch operation;
and the dimming control module is connected with the power supply module and the touch assembly, provides a dimming signal for the power supply module, and adjusts the dimming signal according to the touch signal output by the touch assembly so as to adjust the voltage or current output to the LED lamp by the power supply module.
2. The LED lamp touch dimmer circuit of claim 1, wherein said touch member has a start side and an end side, said touch operation being a sliding touch operation from said start side to said end side.
3. The LED lamp touch dimmer circuit of claim 2, wherein said touch assembly comprises a touch slider; or
The touch assembly comprises a plurality of touch keys which are arranged at intervals, wherein the first touch key is the starting side, and the last touch key is the tail side.
4. An LED lamp touch dimmer circuit as claimed in any one of claims 1 to 3, further comprising a plurality of indicator lamps respectively connected to said dimming control module, said plurality of indicator lamps being arranged in an array, said plurality of indicator lamps being used for indicating said touch operation, and the number of said plurality of indicator lamps being lit to match said touch stroke.
5. The LED lamp touch dimming circuit of claim 4, wherein the dimming control module drives the plurality of indicator lamps to light up a corresponding number according to the touch signal matched with the touch stroke.
6. The LED lamp touch dimmer circuit as claimed in claim 4, wherein said plurality of indicator lamps are arranged in the same direction as the arrangement direction of said touch member.
7. The LED lamp touch dimmer circuit of claim 1, wherein said touch signal is a capacitive signal, and said touch operation is a change in capacitance of said capacitive signal in response to a touch thereof.
8. The LED lamp touch dimming circuit of claim 1 or 7, wherein the dimming signal is a PWM signal, and the dimming control module adjusts a duty cycle of the PWM signal in response to a change in the touch signal.
9. An LED lamp touch dimming device, comprising the LED lamp touch dimming circuit according to any one of claims 1 to 8.
10. An LED lamp comprising an LED lamp, characterized by comprising the LED lamp touch dimmer circuit of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120134443.5U CN214228507U (en) | 2021-01-18 | 2021-01-18 | LED lamp touch dimming circuit, device and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120134443.5U CN214228507U (en) | 2021-01-18 | 2021-01-18 | LED lamp touch dimming circuit, device and lamp |
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| Publication Number | Publication Date |
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| CN214228507U true CN214228507U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120134443.5U Active CN214228507U (en) | 2021-01-18 | 2021-01-18 | LED lamp touch dimming circuit, device and lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023201971A1 (en) * | 2022-04-19 | 2023-10-26 | 深圳市中奇创享照明科技有限公司 | Led power supply |
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2021
- 2021-01-18 CN CN202120134443.5U patent/CN214228507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023201971A1 (en) * | 2022-04-19 | 2023-10-26 | 深圳市中奇创享照明科技有限公司 | Led power supply |
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