CN217546372U - Bluetooth dimming circuit and dimming system - Google Patents
Bluetooth dimming circuit and dimming system Download PDFInfo
- Publication number
- CN217546372U CN217546372U CN202220956370.2U CN202220956370U CN217546372U CN 217546372 U CN217546372 U CN 217546372U CN 202220956370 U CN202220956370 U CN 202220956370U CN 217546372 U CN217546372 U CN 217546372U
- Authority
- CN
- China
- Prior art keywords
- module
- dimming circuit
- electrically connected
- bluetooth
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The application provides a Bluetooth dimming circuit and a dimming system, wherein the circuit comprises a power module, a four-color pixel dimming circuit and a Bluetooth module; the four-color type pixel dimming circuit is provided with a first end and a second end, and the first end of the four-color type pixel dimming circuit is electrically connected with the power supply module and used for dimming; the Bluetooth module is provided with a first end and a second end, the first end of the Bluetooth module is electrically connected with the power supply module, the second end of the Bluetooth module is electrically connected with the second end of the four-color type pixel dimming circuit and used for generating a pulse signal according to a received external Bluetooth signal and controlling the four-color type pixel dimming circuit to dim light through the pulse signal, the four-color type pixel scene dimming and color mixing setting is achieved through DALI and DMX512 protocols, a series of DALI authentication processes and DMX512 configuration problems are avoided, development, configuration cycles and cost are greatly reduced, the Bluetooth module is easy to popularize in mass market, and the problem that the existing scheme is difficult to popularize due to the fact that the DALI protocol and the DMX512 protocol are adopted as the basis is solved.
Description
Technical Field
The application relates to the technical field of Bluetooth dimming, in particular to a Bluetooth dimming circuit and a dimming system.
Background
With the improvement of living standard of people, people are not limited to a single and fixed lighting mode any more, and gradually turn the gaze into customized light experience with more layers and more atmospheres, however, the four-color pixel dimming lighting products on the market at present mostly use DALI protocol and DMX512 protocol as the basis to realize corresponding scene simulation and setting, which causes the difficulties of centralization, high cost, long development period and the like of the products, and is difficult to popularize and limit the universality and the liquidity of the market.
Therefore, if a simple circuit is available to implement four-color pixel adjustment of the lamp, the lighting products such as four-color pixel dimming will be popularized in the market.
SUMMERY OF THE UTILITY MODEL
The present application mainly aims to provide a bluetooth dimming circuit and a bluetooth dimming system, so as to solve the problem that the existing solutions are mostly based on the DALI protocol and the DMX512 protocol, which are difficult to popularize.
In order to achieve the above object, according to one aspect of the present application, there is provided a bluetooth dimming circuit including a power module, a four-color type pixel dimming circuit, and a bluetooth module; the four-color type pixel dimming circuit is provided with a first end and a second end, and the first end of the four-color type pixel dimming circuit is electrically connected with the power supply module and used for dimming; the Bluetooth module is provided with a first end and a second end, the first end of the Bluetooth module is electrically connected with the power module, and the second end of the Bluetooth module is electrically connected with the second end of the four-color type pixel dimming circuit and used for generating a pulse signal according to a received external Bluetooth signal and controlling the four-color type pixel dimming circuit to dim light through the pulse signal.
Furthermore, the bluetooth module comprises a bluetooth power supply module and a bluetooth module, the bluetooth power supply module has an input end and an output end, and the bluetooth power supply module is electrically connected with the power supply module and is used for converting the output voltage of the power supply module into a voltage with a preset amplitude; the Bluetooth module is provided with a first pin, a second pin, a third pin, a fourth pin and a fifth pin, the first pin of the Bluetooth module is electrically connected with the output end of the Bluetooth power supply module, the second pin, the third pin, the fourth pin and the fifth pin of the Bluetooth module are respectively electrically connected with the second end of the four-color pixel dimming circuit, and the Bluetooth module is used for controlling the duty ratio of pulse signals output by the second pin, the third pin, the fourth pin and the fifth pin of the Bluetooth module to control the four-color pixel dimming circuit to perform dimming.
Further, the four-color type pixel dimming circuit comprises a first dimming circuit, a second dimming circuit, a third dimming circuit and a fourth dimming circuit, the first dimming circuit has a first end and a second end, the first end of the first dimming circuit is electrically connected with the power module, and the second end of the first dimming circuit is electrically connected with the second pin of the bluetooth module; the second dimming circuit is provided with a first end and a second end, the first end of the second dimming circuit is electrically connected with the power supply module, and the second end of the second dimming circuit is electrically connected with a third pin of the Bluetooth module; the third dimming circuit is provided with a first end and a second end, the first end of the third dimming circuit is electrically connected with the power supply module, and the second end of the third dimming circuit is electrically connected with a fourth pin of the Bluetooth module; the fourth dimming circuit is provided with a first end and a second end, the first end of the fourth dimming circuit is electrically connected with the power module, and the second end of the fourth dimming circuit is electrically connected with a fifth pin of the Bluetooth module.
Further, the first dimming circuit comprises a first light-emitting module and a first field effect transistor; the positive electrode of the first light-emitting module is electrically connected with the power supply module, the negative electrode of the first light-emitting module is electrically connected with the drain electrode of the first field-effect tube, the grid electrode of the first field-effect tube is electrically connected with the second pin of the Bluetooth module, and the grid electrode and the source electrode of the first field-effect tube are respectively grounded.
Further, the second dimming circuit comprises a second light emitting module and a second field effect transistor; the positive electrode of the second light-emitting module is electrically connected with the power module, the negative electrode of the second light-emitting module is electrically connected with the drain electrode of the second field-effect tube, the grid electrode of the second field-effect tube is electrically connected with the third pin of the Bluetooth module, and the grid electrode and the source electrode of the second field-effect tube are respectively grounded.
Further, the third dimming circuit comprises a third light emitting module and a third field effect transistor; the positive electrode of the third light-emitting module is electrically connected with the power module, the negative electrode of the third light-emitting module is electrically connected with the drain electrode of the third field-effect tube, the grid electrode of the third field-effect tube is electrically connected with the fourth pin of the Bluetooth module, and the grid electrode and the source electrode of the third field-effect tube are respectively grounded.
Further, the fourth dimming circuit comprises a fourth light emitting module and a fourth field effect transistor; the positive electrode of the fourth light-emitting module is electrically connected with the power module, the negative electrode of the fourth light-emitting module is electrically connected with the drain electrode of the fourth field-effect tube, the grid electrode of the fourth field-effect tube is electrically connected with the fifth pin of the Bluetooth module, and the grid electrode and the source electrode of the fourth field-effect tube are grounded respectively.
Further, the first dimming circuit further comprises a first resistance module and a second resistance module; the first end of the first resistor module is electrically connected with the negative electrode of the first light-emitting module, the second end of the first resistor module is electrically connected with the drain electrode of the first field-effect tube, the first end of the second resistor module is electrically connected with the grid electrode of the first field-effect tube, the second end of the second resistor module is electrically connected with the second pin of the Bluetooth module, the second end of the second resistor module is grounded, and the first resistor module and the second resistor module are used for limiting voltage.
Further, the first dimming circuit further comprises a third resistor module; the first end of the third resistor module is respectively electrically connected with the second end of the second resistor module and the second pin of the Bluetooth module, and the second end of the third resistor module is grounded and used for improving the anti-interference capability of the first field-effect tube and shortening the turn-off time of the first field-effect tube.
Further, the first dimming circuit comprises a fifth light emitting module and a fifth field effect transistor; the drain electrode of the fifth field effect transistor is electrically connected with the power supply module, the source electrode of the fifth field effect transistor is electrically connected with the anode of the fifth light emitting module, the grid electrode of the fifth field effect transistor is electrically connected with the second pin of the Bluetooth module, and the grid electrode of the fifth field effect transistor and the cathode of the fifth light emitting module are respectively grounded.
Further, the first light emitting module, the third light emitting module of the second dimming circuit, the fourth light emitting module of the third dimming circuit, and the fifth light emitting module of the fourth dimming circuit have different light emitting colors, and the first light emitting module, the third light emitting module, the fourth light emitting module, and the fifth light emitting module are all light emitting diodes.
Furthermore, the power supply module is an alternating current and direct current power supply conversion module.
According to another aspect of the present application, there is also provided a dimming system, including the bluetooth dimming circuit as described in any one of the above.
By applying the technical scheme, the four-color pixel scene dimming and color mixing setting is avoided through DALI and DMX512 protocols, the Bluetooth module generates a pulse signal according to a received external Bluetooth signal, and the four-color pixel dimming circuit is controlled to dim light through the pulse signal, a series of authentication processes of DALI authentication and DMX512 configuration problems are avoided, the development and configuration period is greatly reduced, the cost is reduced, the popularization to the mass market is facilitated, the problem that the popularization is difficult due to the fact that the DALI protocol and the DMX512 protocol are adopted as the basis in the existing scheme is solved, the circuit can be applied to a down lamp, a spotlight, a bulb lamp, a magnetic absorption lamp and a low-voltage lamp band which are dimmed at low power, and the circuit can be applied to a power supply end circuit and an LED load circuit.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 shows a schematic diagram of a bluetooth dimming circuit according to an embodiment of the present application;
fig. 2 shows a schematic diagram of another bluetooth dimming circuit according to an embodiment of the present application;
fig. 3 shows a connection schematic of a power supply module and a first dimming circuit according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
10. a power supply module; 20. a four-color type pixel dimming circuit; 21. a first dimming circuit; 22. a second dimming circuit; 23. a third dimming circuit; 24. a fourth dimming circuit; 30. a Bluetooth module; 31. a Bluetooth power supply module; 32. and a Bluetooth module.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As introduced by the background art, four-color pixel dimming lighting products on the market at present mostly use the DALI protocol and the DMX512 protocol as the basis to realize corresponding scene simulation and setting, which causes difficulties such as centralization, high cost, long development period, and the like of such products, is difficult to popularize and limits the universality and circulation of the market, and in order to solve the problem that the existing scheme is difficult to popularize because the DALI protocol and the DMX512 protocol are mostly adopted as the basis, the application provides a bluetooth dimming circuit and a dimming system.
An embodiment of the present application provides a bluetooth dimming circuit, as shown in fig. 1, the circuit includes a power module 10, a four-color type pixel dimming circuit 20, and a bluetooth module 30; the four-color pixel dimming circuit 20 has a first end and a second end, and the first end of the four-color pixel dimming circuit 20 is electrically connected to the power module 10 for dimming; the bluetooth module 30 has a first end and a second end, the first end of the bluetooth module 30 is electrically connected to the power module 10, and the second end of the bluetooth module 30 is electrically connected to the second end of the four-color pixel dimming circuit 20, and is configured to generate a pulse signal according to a received external bluetooth signal, and control the four-color pixel dimming circuit 20 to perform dimming through the pulse signal.
In the circuit, the dimming and color mixing setting of a four-color pixel scene is avoided through DALI and DMX512 protocols, a pulse signal is generated through a Bluetooth module according to a received external Bluetooth signal, the four-color pixel dimming circuit is controlled to dim light through the pulse signal, a series of authentication processes of DALI authentication and DMX512 configuration problems are avoided, development and configuration periods are greatly reduced, cost is reduced, the circuit is easy to popularize in the mass market, the problem that the existing scheme is difficult to popularize due to the fact that the DALI protocol and the DMX512 protocol are adopted as the basis is solved, the circuit can be applied to a down lamp, a spotlight, a bulb lamp, a magnetic attraction lamp and a low-voltage lamp belt which are dimmed at low power, the circuit can be applied to a power supply end circuit and an LED load circuit, and compared with the DALI and DMX512 protocols, the hardware circuit is easy to realize, the number of electronic components is small, the cost of the hardware circuit is low, and the circuit is easy to overhaul, produce and manufacture, and the setting of a scene mode is simplified.
In an embodiment of the present application, as shown in fig. 1 and fig. 2, the bluetooth module 30 includes a bluetooth power module 31 and a bluetooth module 32, the bluetooth power module 31 has an input end and an output end, the bluetooth power module 31 is electrically connected to the power module 10, and is configured to convert an output voltage of the power module 10 into a voltage with a predetermined amplitude; the bluetooth module 32 has a first pin, a second pin PWMR, a third pin PWMG, a fourth pin PWMB and a fifth pin PWMW, the first pin of the bluetooth module 32 is electrically connected to the output terminal of the bluetooth power module 31, the second pin PWMR, the third pin PWMG, the fourth pin PWMB and the fifth pin PWMW of the bluetooth module 32 are respectively electrically connected to the second terminal of the four-color pixel dimming circuit 20, and are configured to control the four-color pixel dimming circuit 20 to perform dimming by adjusting the duty ratios of pulse signals output from the second pin PWMR, the third pin PWMG, the fourth pin PWMB and the fifth pin PWMW of the bluetooth module 32, the bluetooth power module 31 is configured to convert the voltage output from the power module 10 into a voltage with a predetermined amplitude (for example, the bluetooth module 32 is powered by converting the voltage into a voltage suitable for the bluetooth module 32 with 3.3V), the bluetooth module 32 is configured to perform dimming by adjusting the duty ratios of pulse signals output from the second pin PWMR, the third pin PWMG, the fourth pin PWMB and the fifth pin PWMW of the bluetooth module 32, thereby avoiding the dimming scene setting by adjusting the color dimming protocol dmmw.
In an embodiment of the present application, as shown in fig. 2, the four-color type pixel dimming circuit 20 includes a first dimming circuit 21, a second dimming circuit 22, a third dimming circuit 23, and a fourth dimming circuit 24, the first dimming circuit 21 has a first end and a second end, the first end of the first dimming circuit 21 is electrically connected to the power module 10, and the second end of the first dimming circuit 21 is electrically connected to the second pin of the bluetooth module 32; the second dimming circuit 22 has a first end and a second end, the first end of the second dimming circuit 22 is electrically connected to the power module 10, and the second end of the second dimming circuit 22 is electrically connected to the third pin of the bluetooth module 32; the third dimming circuit 23 has a first end and a second end, the first end of the third dimming circuit 23 is electrically connected to the power module 10, and the second end of the third dimming circuit 23 is electrically connected to the fourth pin of the bluetooth module 32; the fourth dimming circuit 24 has a first end and a second end, the first end of the fourth dimming circuit 24 is electrically connected to the power module 10, the second end of the fourth dimming circuit 24 is electrically connected to the fifth pin of the bluetooth module 32, and the bluetooth module 32 adjusts the first dimming circuit 21, the second dimming circuit 22, the third dimming circuit 23, and the fourth dimming circuit 24 through the second pin PWMR, the third pin PWMG, the fourth pin PWMB, and the fifth pin PWMW, respectively.
In an embodiment of the present application, as shown in fig. 2, the first dimming circuit 21 includes a first light emitting module LR1, a first field effect transistor Q1, a first resistor module R3, a second resistor module R1, and a third resistor module R2; the anode of the first light-emitting module is electrically connected to the power module, the cathode of the first light-emitting module is electrically connected to the first end of the third resistor module R2, the second end of the third resistor module R2 is electrically connected to the drain of the first field effect transistor Q1, the gate of the first field effect transistor Q1 is electrically connected to the first end of the first resistor module R3, the second end of the first resistor module R3 is electrically connected to the second pin PWMR of the bluetooth module 32 and the first end of the third resistor module R2, the second end of the third resistor module R2 and the source of the first field effect transistor Q1 are grounded, the first resistor module R3 and the second resistor module R1 are both used for voltage limiting, the third resistor module R2 is used for improving the anti-interference capability of the first field effect transistor and shortening the turn-off time of the first field effect transistor, and the second resistor module R1 and the third resistor module R2 also play a role in voltage division.
In an embodiment of the present application, as shown in fig. 2, the second dimming circuit 22 includes a second light emitting module LG1, a second field effect transistor Q2, a fourth resistor module R4, a fifth resistor module R5, and a sixth resistor module R6; the positive electrode of the second light emitting module LG1 is electrically connected to the power module 10, the negative electrode of the second light emitting module LG1 is electrically connected to the first end of the sixth resistor module R6, the second end of the sixth resistor module R6 is electrically connected to the drain of the second fet Q2, the gate of the second fet Q2 is electrically connected to the first end of the fourth resistor module R4, the second end of the fourth resistor module R4 is electrically connected to the third pin PWMG of the bluetooth module 32 and the first end of the fifth resistor module R5, and the source of the second fet and the first end of the fifth resistor module R5 are also grounded, respectively.
In an embodiment of the present application, as shown in fig. 2, the third dimming circuit 23 includes a third light emitting module LB1, a third field effect transistor Q3, a seventh resistor module R7, an eighth resistor module R8, and a ninth resistor module R9; the positive electrode of the third light emitting module LB1 is electrically connected to the power supply module 10, the negative electrode of the third light emitting module LB1 is electrically connected to the first end of the ninth resistor module R9, the second end of the ninth resistor module R9 is electrically connected to the drain of the third fet Q3, the gate of the third fet Q3 is electrically connected to the first end of the seventh resistor module R7, the second end of the seventh resistor module R7 is electrically connected to the fourth pin PWMB of the bluetooth module 32 and the first end of the eighth resistor module R8, and the second end of the eighth resistor module R8 and the source of the third fet Q3 are also electrically connected to ground.
In an embodiment of the present application, as shown in fig. 2, the fourth dimming circuit 24 includes a fourth light emitting module LW1, a fourth field effect transistor Q4, a tenth resistor module R10, an eleventh resistor module R11, and a twelfth resistor module R12; the positive electrode of the fourth light emitting module is electrically connected to the power supply module, the negative electrode of the fourth light emitting module is electrically connected to the first end of the twelfth resistor module R12, the second end of the twelfth resistor module R12 is electrically connected to the drain of the fourth field effect transistor Q4, the gate of the fourth field effect transistor Q4 is electrically connected to the first end of the tenth resistor module R10, the second end of the tenth resistor module R10 is electrically connected to the fifth pin PWMW of the bluetooth module 32 and the first end of the eleventh resistor module R11, and the source of the fourth field effect transistor Q4 and the second end of the eleventh resistor module R11 are also respectively grounded.
In an embodiment of the present application, as shown in fig. 3, the first dimming circuit 21 includes a fifth light emitting module LR2, a fifth field effect transistor Q5, a thirteenth resistor module R13, a fourteenth resistor module R14, and a fifteenth resistor module R15; the drain of the fifth field effect transistor Q5 is electrically connected to the power module 10, the source of the fifth field effect transistor Q5 is electrically connected to the anode of the fifth light emitting module, the gate of the fifth field effect transistor Q5 is electrically connected to the first end of the thirteenth resistor module R13 and the first end of the fourteenth resistor module R14, respectively, the second end of the thirteenth resistor module R13 is electrically connected to the second pin PWMR of the bluetooth module, the cathode of the fifth light emitting module LR2 is electrically connected to the first end of the fifteenth resistor module R15, the second end of the fourteenth resistor module R14 and the second end of the fifteenth resistor module R15 are also grounded, respectively, the fourteenth resistor module R14 and the fifteenth resistor module R15 perform a voltage division function, and the thirteenth resistor module R13 performs a voltage limiting function.
In an embodiment of the present application, the first light emitting module, the third light emitting module of the second dimming circuit, the fourth light emitting module of the third dimming circuit, and the fifth light emitting module of the fourth dimming circuit have different light emitting colors, and the first light emitting module, the third light emitting module, the fourth light emitting module, and the fifth light emitting module are all light emitting diodes, so as to achieve the purpose of dimming through four colors.
In an embodiment of the present application, the power module is an ac/dc power conversion module for supplying power.
As shown in fig. 2, the bluetooth module 32 controls duty ratios of pulse signals output from the second pin PWMR, the third pin PWMG, the fourth pin PWMB and the fifth pin PWMW to be supplied to the four-color type pixel dimming circuit 20, so as to adjust currents of the first dimming circuit 21, the second dimming circuit 22, the third dimming circuit 23 and the fourth dimming circuit 24, respectively, thereby achieving a four-color type pixel dimming effect; for example, in the first dimming circuit 21, LR1 is a green lamp bead load, R3 is a current-limiting resistor, and Q1 is a control fet (pulse signal output by the second pin PWMR of the bluetooth module 32 controls output current, so as to control the fet to switch the on/off state).
The embodiment of the application also provides a dimming system, which comprises the Bluetooth dimming circuit, wherein the circuit comprises a power module, a four-color type pixel dimming circuit and a Bluetooth module; the four-color pixel dimming circuit is provided with a first end and a second end, and the first end of the four-color pixel dimming circuit is electrically connected with the power supply module and used for dimming; the Bluetooth module is provided with a first end and a second end, the first end of the Bluetooth module is electrically connected with the power module, the second end of the Bluetooth module is electrically connected with the second end of the four-color type pixel dimming circuit, and the Bluetooth module is used for generating a pulse signal according to a received external Bluetooth signal and controlling the four-color type pixel dimming circuit to dim light through the pulse signal.
It should be noted that the electrical connection may be a direct electrical connection or an indirect electrical connection, where a direct electrical connection means that two devices are directly connected, and an indirect electrical connection means that other devices such as a capacitor and a resistor are connected between a and B that are connected.
It should also be noted that 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 a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
the Bluetooth dimming circuit avoids passing through DALI and DMX512 protocols, realizes four-color type pixel scene dimming and color mixing setting, generates pulse signals according to received external Bluetooth signals through a Bluetooth module, controls the four-color type pixel dimming circuit to dim light through the pulse signals, removes a series of authentication processes of DALI authentication and DMX512 configuration problems, greatly reduces development, configuration period and reduces cost, is easy to popularize in mass market, and solves the problem that the existing scheme is difficult to popularize due to the fact that the DALI protocol and the DMX512 protocol are adopted as the basis, can be applied to a down lamp, a spotlight, a bulb lamp, a magnetic attraction lamp and a low-voltage lamp belt of low-power dimming, and can be applied to a power end circuit and an LED load circuit.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (13)
1. A bluetooth dimming circuit, comprising:
a power supply module;
the four-color pixel dimming circuit is provided with a first end and a second end, and the first end of the four-color pixel dimming circuit is electrically connected with the power supply module and used for dimming;
the Bluetooth module is provided with a first end and a second end, the first end of the Bluetooth module is electrically connected with the power module, and the second end of the Bluetooth module is electrically connected with the second end of the four-color type pixel dimming circuit and used for generating a pulse signal according to a received external Bluetooth signal and controlling the four-color type pixel dimming circuit to dim light through the pulse signal.
2. The bluetooth dimming circuit of claim 1, wherein the bluetooth module comprises:
the Bluetooth power supply module is provided with an input end and an output end, is electrically connected with the power supply module and is used for converting the output voltage of the power supply module into a voltage with a preset amplitude;
the Bluetooth module is provided with a first pin, a second pin, a third pin, a fourth pin and a fifth pin, the first pin of the Bluetooth module is electrically connected with the output end of the Bluetooth power supply module, and the second pin, the third pin, the fourth pin and the fifth pin of the Bluetooth module are respectively electrically connected with the second end of the four-color type pixel dimming circuit and are used for controlling the duty ratio of pulse signals output by the second pin, the third pin, the fourth pin and the fifth pin of the Bluetooth module to dim the four-color type pixel dimming circuit.
3. The bluetooth dimming circuit of claim 2, wherein the four-color type pixel dimming circuit comprises:
the first dimming circuit is provided with a first end and a second end, the first end of the first dimming circuit is electrically connected with the power module, and the second end of the first dimming circuit is electrically connected with the second pin of the Bluetooth module;
the first end of the second dimming circuit is electrically connected with the power supply module, and the second end of the second dimming circuit is electrically connected with the third pin of the Bluetooth module;
the first end of the third dimming circuit is electrically connected with the power supply module, and the second end of the third dimming circuit is electrically connected with the fourth pin of the Bluetooth module;
and the fourth dimming circuit is provided with a first end and a second end, the first end of the fourth dimming circuit is electrically connected with the power module, and the second end of the fourth dimming circuit is electrically connected with a fifth pin of the Bluetooth module.
4. The bluetooth dimming circuit of claim 3, wherein the first dimming circuit comprises a first light emitting module and a first field effect transistor;
the positive electrode of the first light-emitting module is electrically connected with the power supply module, the negative electrode of the first light-emitting module is electrically connected with the drain electrode of the first field-effect tube, the grid electrode of the first field-effect tube is electrically connected with the second pin of the Bluetooth module, and the grid electrode and the source electrode of the first field-effect tube are grounded respectively.
5. The bluetooth dimming circuit of claim 3, wherein the second dimming circuit comprises a second light emitting module and a second field effect transistor;
the positive electrode of the second light-emitting module is electrically connected with the power module, the negative electrode of the second light-emitting module is electrically connected with the drain electrode of the second field-effect tube, the grid electrode of the second field-effect tube is electrically connected with the third pin of the Bluetooth module, and the grid electrode and the source electrode of the second field-effect tube are respectively grounded.
6. The bluetooth dimming circuit of claim 3, wherein the third dimming circuit comprises a third light emitting module and a third field effect transistor;
the positive electrode of the third light-emitting module is electrically connected with the power module, the negative electrode of the third light-emitting module is electrically connected with the drain electrode of the third field-effect tube, the grid electrode of the third field-effect tube is electrically connected with the fourth pin of the Bluetooth module, and the grid electrode and the source electrode of the third field-effect tube are grounded respectively.
7. The bluetooth dimming circuit of claim 3, wherein the fourth dimming circuit comprises a fourth light emitting module and a fourth field effect transistor;
the positive electrode of the fourth light-emitting module is electrically connected with the power module, the negative electrode of the fourth light-emitting module is electrically connected with the drain electrode of the fourth field-effect tube, the grid electrode of the fourth field-effect tube is electrically connected with the fifth pin of the Bluetooth module, and the grid electrode and the source electrode of the fourth field-effect tube are respectively grounded.
8. The bluetooth dimming circuit of claim 4, wherein the first dimming circuit further comprises a first resistor module and a second resistor module;
the first end of the first resistor module is electrically connected with the negative electrode of the first light-emitting module, the second end of the first resistor module is electrically connected with the drain electrode of the first field-effect tube, the first end of the second resistor module is electrically connected with the grid electrode of the first field-effect tube, the second end of the second resistor module is electrically connected with the second pin of the Bluetooth module, the second end of the second resistor module is grounded, and the first resistor module and the second resistor module are both used for limiting voltage.
9. The bluetooth dimming circuit of claim 8, wherein the first dimming circuit further comprises a third resistor module;
the first end of the third resistor module is respectively electrically connected with the second end of the second resistor module and the second pin of the Bluetooth module, and the second end of the third resistor module is grounded and used for improving the anti-interference capability of the first field-effect tube and shortening the turn-off time of the first field-effect tube.
10. The bluetooth dimming circuit of claim 3, wherein the first dimming circuit comprises a fifth light emitting module and a fifth field effect transistor;
the drain electrode of the fifth field effect transistor is electrically connected with the power supply module, the source electrode of the fifth field effect transistor is electrically connected with the anode of the fifth light emitting module, the grid electrode of the fifth field effect transistor is electrically connected with the second pin of the Bluetooth module, and the grid electrode of the fifth field effect transistor and the cathode of the fifth light emitting module are respectively grounded.
11. The bluetooth dimming circuit according to claim 4, wherein the first light emitting module, the third light emitting module of the second dimming circuit, the fourth light emitting module of the third dimming circuit and the fifth light emitting module of the fourth dimming circuit have different light emitting colors, and the first light emitting module, the third light emitting module, the fourth light emitting module and the fifth light emitting module are all light emitting diodes.
12. The bluetooth dimming circuit of any one of claims 1 to 8, wherein the power module is an ac-dc power conversion module.
13. A dimming system comprising the bluetooth dimming circuit of any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956370.2U CN217546372U (en) | 2022-04-24 | 2022-04-24 | Bluetooth dimming circuit and dimming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220956370.2U CN217546372U (en) | 2022-04-24 | 2022-04-24 | Bluetooth dimming circuit and dimming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217546372U true CN217546372U (en) | 2022-10-04 |
Family
ID=83431675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220956370.2U Active CN217546372U (en) | 2022-04-24 | 2022-04-24 | Bluetooth dimming circuit and dimming system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217546372U (en) |
-
2022
- 2022-04-24 CN CN202220956370.2U patent/CN217546372U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7728530B2 (en) | LED driving circuit and controlling method thereof | |
| TWI386708B (en) | Light emitting diode driving device | |
| CN102421230B (en) | A kind of LED color adjustment driver | |
| CN205987484U (en) | Backlight unit's drive circuit , backlight unit and display device | |
| WO2016090550A1 (en) | Led dimming and toning circuit and led lamp | |
| CN107567144B (en) | Color mixing controller, color mixing control chip and dimming and color mixing LED driving control circuit | |
| CN106332406A (en) | LED driver circuit with multi-channel independent control | |
| CN204335111U (en) | A kind of LED novel intelligent power supply of binary channels tunable optical color-temperature regulating | |
| CN103152939A (en) | Four-in-one light-dimming circuit of light-emitting diode (LED) power source | |
| CN202998609U (en) | Led constant current dimming power supply | |
| CN217546372U (en) | Bluetooth dimming circuit and dimming system | |
| CN209824090U (en) | LED drive control circuit compatible with wireless dimming and color modulation and wall switch color modulation | |
| WO2023207372A1 (en) | Modular led driving circuit | |
| CN203872404U (en) | Circuit structure of LED driving power supply capable of realizing light adjustment and color adjustment through silicon controlled dimmer | |
| CN213305808U (en) | Split type dial switch color temperature regulator and LED lamp control system | |
| CN105828489B (en) | A kind of LED light modulating devices based on H-bridge circuit | |
| CN111083827B (en) | LED intelligent light and color adjusting circuit | |
| CN207369359U (en) | Toning controller, toning control chip, light modulation toning LED drive control circuits and LED device | |
| CN207969014U (en) | A kind of LED PAR lamps driving circuit and LED PAR lamps | |
| CN207340235U (en) | A kind of LED light modulations toning circuit and LED light modulation ager | |
| CN209072770U (en) | A kind of circuit for realizing light modulation toning suitable for low current | |
| CN211860594U (en) | LED dimming and color mixing circuit | |
| CN206775782U (en) | A kind of high pressure lamp bar light modulation toning circuit | |
| CN210670672U (en) | Dimmable LED lamp | |
| CN213783638U (en) | Double-light-source LED lamp with color temperature adjusting complementary circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |