CN111405733B - Intelligent dimming and color temperature adjusting circuit - Google Patents
Intelligent dimming and color temperature adjusting circuit Download PDFInfo
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- CN111405733B CN111405733B CN202010221564.3A CN202010221564A CN111405733B CN 111405733 B CN111405733 B CN 111405733B CN 202010221564 A CN202010221564 A CN 202010221564A CN 111405733 B CN111405733 B CN 111405733B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention relates to an intelligent dimming and color temperature adjusting circuit, which comprises: the detection module is electrically connected with the external switch; the wireless connection module is connected with the detection circuit; the rectification module is connected with an external input power supply; the power conversion module is respectively connected with the rectification module and the wireless connection module; the brightness adjusting module is connected with the power conversion module and used for controlling the size of the power conversion module adjusting circuit to realize a dimming function; the color temperature adjusting module is respectively connected with the wireless module and the brightness adjusting module, and the color temperature adjusting module can control the brightness adjusting module to adjust the current proportion according to the PMW signal so as to realize the color temperature adjusting function. According to the technical scheme, the dimming and color temperature adjusting functions of the light source can be realized on the premise that an original wall switch or a phase-cut dimmer is not required to be disassembled.
Description
Technical Field
The invention relates to the technical field of dimming and toning control, in particular to an intelligent dimming and toning temperature circuit.
Background
The intelligent dimming power supply on the market at present has the following types:
1. The traditional dimming power supply supporting phase-cut dimming is not supporting mobile phones and remote control;
2. a PWM dimming power supply supporting mobile phones and remote control, but not supporting phase-cut dimmers and wall switch dimming;
3. Dimming power supply supporting 0-10V analog dimming. Conventional switches and phase-cut dimmers are not supported;
4. And the wireless module or the microcontroller converts the detected conduction angle signal into a PWM dimming signal with a corresponding duty ratio to be supplied to a power supply control IC, so that the output power of a power supply is controlled to realize dimming. However, the method has the following disadvantages: when the conduction angle is lower than a certain value, the rear-stage power supply works unstably, and dimming flickering can not even be performed. One remedy is to enter a phase-cut dimming mode when the conduction angle is lower than a certain value, turn off the PWM dimming circuit, and enter PWM dimming after the conduction angle is higher than a certain value. When the physical location of the dimmer is below this value, the cell phone or other remote terminal is not controlled anyway. The use experience is poor.
In summary, existing dimming power supplies are limited in use by the type of dimming supported by the dimmer and the load lamp. Particularly when retrofitting a smart dimming luminaire on a line with a conventional switch or conventional phase cut dimmer, the switch or dimmer needs to be removed or retrofitted, otherwise affecting the normal operation of the dimming system. The existing schemes which can use phase-cut dimming are not compatible in the full sense and cannot be fully independently adjustable in the full range.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art or related art.
Therefore, the invention aims to provide an intelligent dimming and color temperature adjusting circuit which can realize the dimming and color temperature adjusting functions of a light source on the premise of not changing an original wall switch or a phase-cut dimmer.
In order to achieve the above object, the present invention provides an intelligent dimming and temperature adjusting circuit, comprising:
the detection module is electrically connected with the external switch to receive an input signal of the switch;
The wireless connection module is connected with the detection circuit and can receive the PWM signals converted by the detection module;
The rectification module is connected with an external input power supply, and the live wire and the zero wire of the external input power supply are subjected to rectification and filtering treatment by the rectification module after passing through the front-end EMI module to convert alternating current of the input power supply into direct current;
The power conversion module is respectively connected with the rectification module and the wireless connection module;
The brightness adjusting module is connected with the power conversion module and is used for controlling the size of the power conversion module adjusting circuit to realize the dimming function;
The color temperature adjusting module is respectively connected with the wireless module and the brightness adjusting module, and can control the brightness adjusting module to adjust the current proportion according to the PMW signal to realize the color temperature adjusting function.
In the above technical solution, preferably, a specific circuit structure of the detection module is: the rectifying diode D8 is connected with the resistor R32, the resistor R34 and the resistor R36, the resistor R36 is connected with the rectifying diode D9 and the capacitor C17 to the input zero line CAN, the 2 pin of the diode D8 is connected with the resistor R33 in series and the resistor R38 is connected with the CAN in series, the capacitor C16 is connected with the resistor R38 in parallel and is connected with the 1 pin and the 3 pin of the MOS tube Q4 in parallel, and the 2 pin of the MOS tube Q4 is connected with the 2 pin of the diode D9 through the transmitting end of the optocoupler U6; the output end of the optical coupler U6 is connected to 3.3V through a resistor R35, and the 3 pin of the optical coupler U6 is grounded and the 4 pin of the optical coupler U6 outputs a conduction angle signal PC; the 2 feet of the diode D8 are connected with the resistor R31, the resistor R31 is connected with the resistor R29 to the 1 foot of the optocoupler U5, the capacitor C15 is connected with the 2 feet of the optocoupler U5 and the zero signal ACN, the other end of the capacitor C15 is connected with the 1 foot of the resistor R29, the 3 feet of the optocoupler U5 are grounded, the 4 feet of the optocoupler U5 are connected with 3.3V through the resistor R30, and the 4 feet of the optocoupler U5 output a switch pulse signal SP.
In any of the above technical solutions, preferably, a specific circuit structure of the power conversion module is: the 3 feet of the transformer T1 are connected with the rectifying module, the 1 foot of the transformer T1 is connected with the diode D2, one end of the transformer T1 is connected with the diode D2 after the resistor R8 and the resistor R9 are connected in parallel, the other end of the transformer T1 is connected with the resistor R3, the resistor R4, the resistor R5 and the capacitor C7 which are connected in parallel, the 5 feet of the transformer T1 are grounded, the 8 feet of the secondary winding of the transformer are grounded, the 10 feet of the transformer T1 are connected with the diode D1, the capacitor C1 is connected with the diode D1 in series, the capacitor C2, the capacitor C3, the capacitor C4 and the resistor R6 are connected in parallel, and the other end of the capacitor C4 and the resistor R6 are grounded, and then connected with the common positive ends of the two groups of light sources.
In any of the above solutions, preferably, the specific circuit structure of the front-end EMI module is: the capacitor CX1 is connected to the coil L2, and the coil L2 is connected to the resistor RV 1.
In any of the above technical solutions, preferably, the wireless connection module includes a control chip M1, a pin 1 of the control chip M1 is connected to a pin 8 of the power chip U1, a pin 2 of the control chip M1 is connected to a resistor R26, a pin 4 of the control chip M1 is connected to a pin 4 of the optocoupler U6, and a pin 5 of the control chip M1 is connected to a pin 4 of the optocoupler U5. The 7 pin of the control chip M1 is connected to the power supply 3.3V, and the 6 pin of the control chip M1 is connected to the ground.
In any of the above technical solutions, preferably, the rectifying module includes a rectifying bridge DB1, a resistor R7 connected to a pin 2 of the rectifying bridge DB1, an inductor L1 connected in parallel, and a capacitor C5, a capacitor C6 and a resistor RV2 connected in parallel after one end of the resistor R2 is connected to the pin 2 of the rectifying bridge DB1, wherein a live wire and a zero wire of an external input power supply pass through the front-end EMI module, then pass through the rectifying bridge DB1, and then are filtered by the capacitor C5 and the capacitor C6, and then are connected to the pin 3 of the primary winding of the transformer T1.
In any of the above technical solutions, preferably, pin 1 of the primary winding of the transformer T1 is connected to the MOS tube Q1 of the brightness adjusting module, the MOS tube Q1 is connected in parallel with the resistor R14, and the source of the MOS tube Q1 is connected to the ground through the resistor R18, the resistor R19 and the resistor R20 connected in parallel;
The gate electrode of the MOS tube Q1 is connected to the 5 pin of the power chip U1 through a resistor R12, a resistor R13 and a diode D3, one end of the resistor R11 is connected with a high-voltage bus after being connected in series with the resistor R7, the other end of the resistor R11 is connected with a capacitor C8 and then is connected to the 6 pin of the power chip U1, and the 6 pin of the power chip U1 is connected with a resistor R15 after being connected with a diode D4 in series; the 8 pin of the power chip U1 is connected with the resistor R23 to the ground; the 1-pin serial capacitor C11 of the power chip U1 is connected to the ground, the resistor R21 is connected with the resistor R17 in series and then connected to the 2-pin of the power chip U1, the capacitor C10 and the resistor R22 are connected in parallel, one end of the capacitor C10 is connected to the ground, the other end of the capacitor C10 is connected with the 2-pin of the power chip U1, and the 3-pin serial resistor R16 of the power chip U1 is connected to the source electrode of the MOS tube Q1; the 4 pins of the power chip U1 are grounded.
In any of the above technical solutions, preferably, a specific circuit structure of the color temperature adjusting module is: the 3 pin and the 4 pin of the power chip U2 are respectively connected with the gates of the MOS tube Q3 and the MOS tube Q2, and the sources of the MOS tube Q3 and the MOS tube Q2 are respectively connected with the negative ends of the two groups of light sources; the 6 feet of the power chip U2 are connected with the 4 feet of the optocoupler U3, the 2 feet and the 3 feet of the optocoupler U3 are respectively connected with the primary side ground and the secondary side ground, the 1 feet of the optocoupler U3 are connected with the resistor R26 in series, and the 1 feet of the power chip U2 are respectively connected with the capacitor C13 and the resistor R27 and then connected with the diode D6.
In any of the above technical solutions, preferably, the intelligent dimming temperature adjusting circuit further comprises a working power supply module, wherein the working power supply module has a specific circuit structure as follows: the 1 pin of the diode D5 is connected with the bus voltage, the 2 pin of the diode D5 is connected with the capacitor EC2, the capacitor EC2 is connected with the 4 pin of the optocoupler U4, the 5 pins, 6 pins, 7 pins and 8 pins of the optocoupler U4 are connected with the inductor L3 in parallel, one end of the capacitor EC1, the capacitor C14 and the resistor R28 are grounded after being connected in parallel, the other end of the resistor R24 is connected with the inductor L3 and 3.3V, and one end of the resistor R24 is connected with the resistor R25 in series and then is connected with the capacitor C12 and the diode D7.
Compared with the prior art, the intelligent dimming and temperature adjusting circuit provided by the invention has the advantages that: 1. the original wall switch or phase-cut dimmer does not need to be disassembled and changed; 2. the circuit is added into the original wall switch or phase-cut dimmer, so that the original wall switch or phase-cut dimmer has the function of adjusting the brightness and the color temperature of the lamp; 3. the wall switch or the phase-cut dimmer is used as a local fixed control end, does not affect the wireless control end of the mobile phone, is independently adjustable, and can adapt to different use habits of different use groups.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 shows a schematic block diagram of a smart dimming and toning circuit according to an embodiment of the present invention;
FIG. 2 shows a partial circuit block diagram of a smart dimming and toning circuit according to an embodiment of the present invention;
FIG. 3 shows a circuit diagram of a detection module according to an embodiment of the present invention;
FIG. 4 illustrates a circuit diagram of an operating power module according to an embodiment of the present invention;
Fig. 5 shows a circuit diagram of a wireless connection module according to an embodiment of the present invention;
Figure 6 shows a functional block diagram of a method of adjusting a wall switch according to an embodiment of the present invention;
Fig. 7 shows a schematic block diagram of a method of adjusting a phase-cut dimmer according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
An intelligent dimming and color temperature adjusting circuit according to some embodiments of the present invention is described below with reference to fig. 1 to 7.
As shown in fig. 1 to 7, an intelligent dimming and color temperature adjusting circuit 100 according to an embodiment of the present invention includes:
The detection module 10 is electrically connected with the external switch to receive an input signal of the switch;
the wireless connection module 20 is connected with the detection circuit and can receive the PWM signals converted by the detection module;
The rectification module 30 is connected with an external input power supply, and the live wire and the zero wire of the external input power supply pass through the front-end EMI module 31 and then are subjected to rectification and filtering treatment by the rectification module to convert the alternating current of the input power supply into direct current;
The power conversion module 40 is respectively connected with the rectification module 30 and the wireless connection module 20;
the brightness adjusting module 50 is connected with the power conversion module 40, and the brightness adjusting module 50 controls the power conversion module 40 to adjust the size of a circuit so as to realize a dimming function;
The color temperature adjusting module 60 is respectively connected with the wireless connecting module 20 and the brightness adjusting module 50, and the color temperature adjusting module 60 can control the brightness adjusting module 50 to adjust the current proportion according to the PMW signal so as to realize the color temperature adjusting function.
As shown in fig. 3, in some possible embodiments of the present invention, the specific circuit structure of the detection module 10 is: the rectifying diode D8 is connected with the resistor R32, the resistor R34 and the resistor R36, the resistor R36 is connected with the rectifying diode D9 and the capacitor C17 to the input zero line CAN, the 2 pin of the diode D8 is connected with the resistor R33 in series and the resistor R38 is connected with the CAN in series, the capacitor C16 is connected with the resistor R38 in parallel and is connected with the 1 pin and the 3 pin of the MOS tube Q4 in parallel, and the 2 pin of the MOS tube Q4 is connected with the 2 pin of the diode D9 through the transmitting end of the optocoupler U6; the output end of the optical coupler U6 is connected to 3.3V through a resistor R35, and the 3 pin of the optical coupler U6 is grounded and the 4 pin of the optical coupler U6 outputs a conduction angle signal PC; the 2 feet of the diode D8 are connected with the resistor R31, the resistor R31 is connected with the resistor R29 to the 1 foot of the optocoupler U5, the capacitor C15 is connected with the 2 feet of the optocoupler U5 and the zero signal ACN, the other end of the capacitor C15 is connected with the 1 foot of the resistor R29, the 3 feet of the optocoupler U5 are grounded, the 4 feet of the optocoupler U5 are connected with 3.3V through the resistor R30, and the 4 feet of the optocoupler U5 output a switch pulse signal SP.
As shown in fig. 2, in some possible embodiments of the present invention, the specific circuit structure of the power conversion module 40 is: the 3 feet of the transformer T1 are connected with the rectifying module, the 1 foot of the transformer T1 is connected with the diode D2, one end of the transformer T1 is connected with the diode D2 after the resistor R8 and the resistor R9 are connected in parallel, the other end of the transformer T1 is connected with the resistor R3, the resistor R4, the resistor R5 and the capacitor C7 which are connected in parallel, the 5 feet of the transformer T1 are grounded, the 8 feet of the secondary winding of the transformer are grounded, the 10 feet of the transformer T1 are connected with the diode D1, the capacitor C1 is connected with the diode D1 in series, the capacitor C2, the capacitor C3, the capacitor C4 and the resistor R6 are connected in parallel, and the other end of the capacitor C4 and the resistor R6 are grounded, and then connected with the common positive ends of the two groups of light sources.
In the embodiment, the input alternating current is rectified and filtered to obtain high-voltage direct current, and the high-voltage direct current is supplied to the post-stage power conversion circuit, and a direct current power supply for the light source to work is isolated through a transformer, so that the current of the direct current power supply can be adjusted, and the dimming is realized. The color temperature adjusting module is used for respectively controlling the input current proportion of one 6000K light source and one 3000K light source to realize color temperature adjustment.
As shown in fig. 2, in some possible embodiments of the present invention, the specific circuit configuration of the front-end EMI module 31 is: the capacitor CX1 is connected to the coil L2, and the coil L2 is connected to the resistor RV 1.
As shown in fig. 5, in some possible embodiments of the present invention, the wireless connection module 20 includes a control chip M1, a pin 1 of the control chip M1 is connected to a pin 8 of the power chip U1, a pin 2 of the control chip M1 is connected to a resistor R26, a pin 4 of the control chip M1 is connected to a pin 4 of the optocoupler U6, and a pin 5 of the control chip M1 is connected to a pin 4 of the optocoupler U5. The 7 pin of the control chip M1 is connected to the power supply 3.3V, and the 6 pin of the control chip M1 is connected to the ground.
As shown in fig. 2, in some possible embodiments of the present invention, the rectifying module 30 includes a rectifying bridge DB1, a resistor R7 connected to the 2 pin of the rectifying bridge DB1, an inductor L1 and a resistor R2 connected in parallel, and a capacitor C5, a capacitor C6 and a resistor RV2 connected in parallel after one end is connected to the 2 pin of the rectifying bridge DB1, wherein a live wire and a zero wire of an external input power supply pass through the front-end EMI module, are filtered by the capacitor C5 and the capacitor C6, and are connected to the 3 pin of the primary winding of the transformer T1.
As shown in fig. 2, in some possible embodiments of the present invention, pin 1 of the primary winding of the transformer T1 is connected to the MOS transistor Q1 of the brightness adjustment module 50, the MOS transistor Q1 is connected in parallel to the resistor R14, and the source of the MOS transistor Q1 is connected to the ground through the resistor R18, the resistor R19, and the resistor R20 connected in parallel;
The gate electrode of the MOS tube Q1 is connected to the 5 pin of the power chip U1 through a resistor R12, a resistor R13 and a diode D3, one end of the resistor R11 is connected with a high-voltage bus after being connected in series with the resistor R7, the other end of the resistor R11 is connected with a capacitor C8 and then is connected to the 6 pin of the power chip U1, and the 6 pin of the power chip U1 is connected with a resistor R15 after being connected with a diode D4 in series; the 8 pin of the power chip U1 is connected with the resistor R23 to the ground; the 1-pin serial capacitor C11 of the power chip U1 is connected to the ground, the resistor R21 is connected with the resistor R17 in series and then connected to the 2-pin of the power chip U1, the capacitor C10 and the resistor R22 are connected in parallel, one end of the capacitor C10 is connected to the ground, the other end of the capacitor C10 is connected with the 2-pin of the power chip U1, and the 3-pin serial resistor R16 of the power chip U1 is connected to the source electrode of the MOS tube Q1; the 4 pins of the power chip U1 are grounded.
As shown in fig. 2, in some possible embodiments of the present invention, the specific circuit structure of the color temperature adjusting module 60 is: the 3 pin and the 4 pin of the power chip U2 are respectively connected with the gates of the MOS tube Q3 and the MOS tube Q2, and the sources of the MOS tube Q3 and the MOS tube Q2 are respectively connected with the negative ends of the two groups of light sources; the 6 feet of the power chip U2 are connected with the 4 feet of the optocoupler U3, the 2 feet and the 3 feet of the optocoupler U3 are respectively connected with the primary side ground and the secondary side ground, the 1 feet of the optocoupler U3 are connected with the resistor R26 in series, and the 1 feet of the power chip U2 are respectively connected with the capacitor C13 and the resistor R27 and then connected with the diode D6.
As shown in fig. 4, in some possible embodiments of the present invention, the intelligent dimming and color temperature adjusting circuit further includes a working power module 70, where the working power module 70 has a specific circuit structure as follows: the 1 pin of the diode D5 is connected with the bus voltage, the 2 pin of the diode D5 is connected with the capacitor EC2, the capacitor EC 2is connected with the 4 pin of the optocoupler U4, the 5 pins, 6 pins, 7 pins and 8 pins of the optocoupler U4 are connected with the inductor L3 in parallel, one end of the capacitor EC1, the capacitor C14 and the resistor R28 are grounded after being connected in parallel, the other end of the resistor R24 is connected with the inductor L3 and 3.3V, and one end of the resistor R24 is connected with the resistor R25 in series and then is connected with the capacitor C12 and the diode D7.
On the other hand, the intelligent dimming and color temperature regulating circuit provided by the invention has the following working principle:
The signal detection port DS receives an ac signal input from a conventional switch or phase cut dimmer, and the internal detection circuit converts the ac signal into a switching signal and a phase cut conduction angle signal that can be processed by a wireless module (or MCU). By identifying the characteristics of these signals, the wireless module (or MCU) outputs corresponding brightness adjustment PWM signals and color temperature adjustment PWM signals. The power supply conversion circuit outputs adjustable current according to the PWM signal, and can control the current proportion input to the warm color temperature light source and the cold color temperature light source, so that the brightness and the color temperature of the light source are adjusted.
As shown in fig. 6, the wall switch implements the method of adjustment: in a certain time, the module or MCU outputs corresponding PWM signals to the power supply conversion circuit by detecting the switching times of the wall switch as the judging logic of adjustment. A switch that is not in this time is considered to be a normal switching action.
As shown in fig. 7, the method for adjusting the phase cut dimmer is as follows: the PWM signal with corresponding brightness is output to the power supply conversion circuit by detecting the conduction angle output by the phase-cut dimmer and a module or MCU; the color temperature is changed in sequence by detecting the number of switching times (1 switching time in 3 seconds) of the phase cut dimmer for a certain time.
When the distribution network is used for the first time, the mobile phone APP prompts the user to set the following steps:
1. please select the type of switch (switch or phase cut dimmer) used.
2. If a phase cut dimmer is selected, the following guidance is provided: please adjust the dimmer knob or slider to the maximum brightness position and set the brightness (0% -100%); after the setting is completed, prompt, "please adjust the dimmer knob or slider to the minimum brightness position and set brightness (0% -100%)". And storing the maximum and minimum brightness values after setting.
The maximum and minimum brightness positions of the knob/slider correspond to the brightness values set as described above.
The method for realizing adjustment at the mobile phone APP end comprises the following steps: after the equipment and the mobile phone are connected with the internet, the built-in wireless module is in wireless connection with the mobile phone through a wireless router or a gateway, an adjusting instruction of the mobile phone APP end is issued to the wireless module in a wireless communication mode, and the module outputs a corresponding PWM adjusting signal to control the power supply conversion circuit to adjust brightness and color temperature.
Compared with the prior art, the intelligent dimming and temperature adjusting circuit provided by the invention has the advantages that: 1. the original wall switch or phase-cut dimmer does not need to be disassembled and changed; 2. the circuit is added into the original wall switch or phase-cut dimmer, so that the original wall switch or phase-cut dimmer has the function of adjusting the brightness and the color temperature of the lamp; 3. the wall switch or the phase-cut dimmer is used as a local fixed control end, does not affect the wireless control end of the mobile phone, is independently adjustable, and can adapt to different use habits of different use groups.
In the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An intelligent dimming and temperature adjusting circuit, which is characterized by comprising:
The detection module is electrically connected with the external switch to receive an input signal of the switch;
The wireless connection module is connected with the detection circuit and can receive the signals converted by the detection module; the rectification module is connected with an external input power supply, and the live wire and the zero wire of the external input power supply are subjected to rectification and filtering treatment by the rectification module after passing through the front-end EMI module to convert alternating current of the input power supply into direct current;
the power conversion module is respectively connected with the rectification module and the wireless connection module;
The brightness adjusting module is connected with the power conversion module and used for controlling the size of the power conversion module adjusting circuit to realize a dimming function;
the color temperature adjusting module is respectively connected with the wireless module and the brightness adjusting module, and can control the brightness adjusting module to adjust the current proportion according to the signal so as to realize the color temperature adjusting function; wherein,
The specific circuit structure of the detection module is as follows: the rectifying diode D8 is connected with the resistor R32, the resistor R34 and the resistor R36, the resistor R36 is connected with the rectifying diode D9 and the capacitor C17 to the input zero line CAN, the 2 pin of the diode D8 is connected with the resistor R33 in series and the resistor R38 is connected with the CAN in series, the capacitor C16 is connected with the resistor R38 in parallel and is connected with the 1 pin and the 3 pin of the MOS tube Q4 in parallel, and the 2 pin of the MOS tube Q4 is connected with the 2 pin of the diode D9 through the transmitting end of the optocoupler U6; the output end of the optical coupler U6 is connected to 3.3V through a resistor R35, and the 3 pin of the optical coupler U6 is grounded and the 4 pin of the optical coupler U6 outputs a conduction angle signal PC; the 2 feet of the diode D8 are connected with the resistor R31, the resistor R31 is connected with the resistor R29 to the 1 foot of the optocoupler U5, the capacitor C15 is connected with the 2 feet of the optocoupler U5 and the zero signal ACN, the other end of the capacitor C15 is connected with the 1 foot of the resistor R29, the 3 feet of the optocoupler U5 are grounded, the 4 feet of the optocoupler U5 are connected with 3.3V through the resistor R30, and the 4 feet of the optocoupler U5 output a switch pulse signal SP.
2. The intelligent dimming and temperature regulating circuit according to claim 1, wherein the specific circuit structure of the power conversion module is: the 3 feet of the transformer T1 are connected with the rectifying module, the 1 foot of the transformer T1 is connected with the diode D2, one end of the transformer T1 is connected with the diode D2 after being connected in parallel with the resistor R8, the other end of the transformer T1 is connected with the resistor R3, the resistor R4, the resistor R5 and the capacitor C7 which are connected in parallel, the 5 feet of the transformer T1 are grounded, the 8 feet of the secondary winding of the transformer are grounded, the 10 feet are connected with the diode D1, the capacitor C1 is connected with the diode D1 in series after being connected with the resistor R1, the capacitor C2, the capacitor C3, the capacitor C4 and the resistor R6 are connected in parallel, and the other end of the capacitor C4 is connected with the diode D1 and then connected with the public positive ends of two groups of light sources.
3. The intelligent dimming and temperature regulating circuit according to claim 2, wherein: the specific circuit structure of the front-end EMI module is as follows: the capacitor CX1 is connected to the coil L2, and the coil L2 is connected to the resistor RV 1.
4. The intelligent dimming color temperature circuit of claim 3, wherein: the wireless connection module comprises a control chip M1, wherein a 1 pin of the control chip M1 is connected to an 8 pin of the power chip U1, a 2 pin of the control chip M1 is connected to a resistor R26, a 4 pin of the control chip M1 is connected to a 4 pin of an optocoupler U6, a 5 pin of the control chip M1 is connected to a 4 pin of U5, a 7 pin of the control chip M1 is connected to a power supply 3.3V, and a 6 pin of the control chip M1 is connected to the ground.
5. The intelligent dimming and temperature regulating circuit according to claim 4, wherein: the rectifier module comprises a rectifier bridge DB1, a resistor R7 connected with a pin 2 of the rectifier bridge DB1, an inductor L1 connected in parallel and a resistor R2, wherein one end of the resistor R7 is connected into the pin 2 of the rectifier bridge DB1, and the other end of the resistor R2 is connected into a capacitor C5, a capacitor C6 and a resistor RV2 connected in parallel, wherein a live wire and a zero wire of an external input power supply pass through the front-end EMI module and then pass through the rectifier bridge DB1, and then are filtered by the capacitor C5 and the capacitor C6 and then are connected to the pin 3 of a primary winding of the transformer T1.
6. The intelligent dimming and temperature regulating circuit according to claim 2 or 5, wherein: the 1 pin of the primary winding of the transformer T1 is connected to the MOS tube Q1 of the brightness adjusting module, the MOS tube Q1 is connected with the resistor R14 in parallel, and the source electrode of the MOS tube Q1 is grounded through the resistor R18, the resistor R19 and the resistor R20 which are connected in parallel; the gate electrode of the MOS tube Q1 is connected to the 5 pin of the power chip U1 through a resistor R12, a resistor R13 and a diode D3, one end of the resistor R11 is connected with a high-voltage bus after being connected in series with the resistor R7, the other end of the resistor R11 is connected with a capacitor C8 and then is connected with the 6 pin of the power chip U1, and the 6 pin of the power chip U1 is connected with the resistor R15 after being connected with the diode D4 in series; the 8 pin of the power chip U1 is connected with the resistor R23 to the ground; the 1-pin serial capacitor C11 of the power chip U1 is connected to the ground, the resistor R21 is connected with the resistor R17 in series and then connected to the 2-pin of the power chip U1, the capacitor C10 and the resistor R22 are connected in parallel, one end of the capacitor C10 is connected to the ground, the other end of the capacitor C10 is connected with the 2-pin of the power chip U1, and the 3-pin serial resistor R16 of the power chip U1 is connected to the source electrode of the MOS tube Q1; the 4 pins of the power chip U1 are grounded.
7. The intelligent dimming and temperature regulating circuit of claim 6, wherein: the specific circuit structure of the color temperature adjusting module is as follows: the 3 pin and the 4 pin of the power chip U2 are respectively connected with the gates of the MOS tube Q3 and the MOS tube Q2, and the sources of the MOS tube Q3 and the MOS tube Q2 are respectively connected with the negative ends of the two groups of light sources; the 6 feet of the power chip U2 are connected with the 4 feet of the optocoupler U3, the 2 feet and the 3 feet of the optocoupler U3 are respectively connected with the primary side ground and the secondary side ground, the 1 feet of the optocoupler U3 are connected with the resistor R26 in series, and the 1 feet of the power chip U2 are respectively connected with the capacitor C13 and the resistor R27 and then connected with the diode D6.
8. The intelligent dimming and temperature regulating circuit of claim 1, wherein: further comprises:
The working power supply module is used for supplying power to the whole intelligent dimming color temperature regulating circuit, and the specific circuit structure of the working power supply module is as follows: the 1 foot of the diode D5 is connected with the bus voltage, the 2 foot of the diode D5 is connected with the capacitor EC2, the capacitor EC2 is connected with the 4 foot of the optocoupler U4, the 5, 6, 7 and 8 feet of the optocoupler U4 are connected with the inductor L3 in parallel, the capacitor EC1, the capacitor C14 and the resistor R28 are connected with one another in parallel, the other end is connected with the inductor L3 and 3.3V, and the resistor R24 is connected with the resistor R25 in series, and the other end is connected with the capacitor C12 and the diode D7.
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| CN112867327A (en) * | 2021-03-19 | 2021-05-28 | 中山市猫耳朵智能科技有限公司 | LED wireless regulation and control module driving power supply |
| CN117440559A (en) * | 2023-12-21 | 2024-01-23 | 金杲易光电科技(深圳)有限公司 | An LED light adjustment module capable of adjusting color temperature and power |
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| CN201657476U (en) * | 2010-03-19 | 2010-11-24 | 石狮永峰电子有限公司 | Multipurpose dimmer |
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| CN108650748A (en) * | 2018-07-10 | 2018-10-12 | 无锡安特源科技股份有限公司 | A kind of constant pressure dimming power source device being compatible with a variety of dimming modes |
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