Wireless-to-wired dimming circuit

Abstract

The utility model discloses a wireless-to-wired dimming circuit. The dimming circuit comprises a wireless receiving module, a power module and a two-bus power carrier module, the wireless receiving module is used for receiving a wireless signal; the two-bus power carrier module comprises a control chip and a carrier driving circuit; the signal transmission end of the wireless receiving module is connected with the signal transmission end of the control chip, and the control output end of the control chip is connected with the control input end of the carrier driving circuit; the voltage feedback end of the carrier driving circuit is connected with the signal output end of the control chip; the positive electrode output end and the negative electrode output end of the carrier wave driving circuit are respectively connected with a carrier wave bus; the two carrier buses are electrically connected with the positive electrode and the negative electrode of each lamp respectively, so that dimming control over the lamps is achieved through the two carrier buses. According to the dimming circuit, the wireless signal is received through the wireless receiving module, and the lamps are connected in parallel through the two carrier buses, so that remote intelligent control on the plurality of lamps is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of circuits, and in particular to a wireless-to-wired dimming circuit. Background Art

[0002] With the rapid development of industrial manufacturing, people have higher and higher requirements for circuit boards to achieve remote control of LED lamps. Since the existing control circuits generally use ZigBee wireless reception to receive electrical signals, and use manual operation of electronic devices to remotely control LED lamps at home, and the ZigBee wireless reception method requires finding the position of the lamp and selecting it in turn before remote control, this method is time-consuming and cannot intelligently identify the scene of household appliances. Most wireless control circuits cannot truly realize remote control of LED lamps, quickly identify LED lamps and turn on corresponding scene function settings. The existing lamp remote control circuits on the market are generally not equipped with power carrier controllers, and the control of LED lamps is poor, and the supporting electronic devices of the home (for example: Xiaomi lamps, NVC lamps) cannot be effectively remotely controlled. The existing controller connection circuit has the problem of being unable to remotely intelligently control LED lamps. Utility Model Content

[0003] The embodiment of the utility model provides a wireless to wired dimming circuit, which aims to solve the problem that the prior art methods cannot perform remote intelligent control on LED lamps.

[0004] The embodiment of the utility model provides a wireless-to-wired dimming circuit, wherein the dimming circuit includes a wireless receiving module, a power module and a two-bus power carrier module;

[0005] The wireless receiving module is used to receive the wireless signal sent by the wireless signal sending terminal;

[0006] The first power supply output terminal of the power supply module is connected to the power supply input terminal of the wireless receiving module, the second power supply output terminal of the power supply module is connected to the power supply input terminal of the control chip, and the third power supply output terminal of the power supply module is connected to the first power supply input terminal of the carrier driving circuit; the input terminal of the power supply module and the second power supply input terminal of the carrier driving circuit are both connected to the input bus;

[0007] The signal transmission end of the wireless receiving module is connected to the signal transmission end of the control chip, and the control output end of the control chip is connected to the control input end of the carrier driving circuit;

[0008] The voltage feedback terminal of the carrier driving circuit is connected to the signal output terminal of the control chip;

[0009] The positive output terminal and the negative output terminal of the carrier driving circuit are respectively connected to a carrier bus; the two carrier buses are respectively electrically connected to the positive and negative poles of each lamp to achieve dimming control of the lamp through the two carrier buses.

[0010] The wireless-to-wired dimming circuit, wherein the carrier drive circuit comprises a first control input terminal, a second control input terminal and a voltage feedback terminal;

[0011] The first control input terminal of the carrier driving circuit is used to control the conduction of a MOS tube;

[0012] The second control input terminal of the carrier driving circuit is used to control a transistor to be turned on; the voltage feedback terminal of the carrier driving circuit feeds back voltage information to the control chip in the two-bus power supply carrier module.

[0013] The wireless-to-wired dimming circuit, wherein the carrier drive circuit includes a first polarity capacitor, a first MOS tube, a first control circuit, a second control circuit, a thirty-fifth diode, an eighth diode, a third control circuit, a fourth diode, a thirty-fourth resistor, a fourth capacitor, a thirty-seventh resistor, a thirty-first resistor and a third diode;

[0014] The positive input end of the second power supply input end of the carrier driving circuit is connected to the positive electrode of the first polarity capacitor, the first connection end of the first control circuit and the source of the first MOS tube; the negative input end of the second power supply input end of the carrier driving circuit is connected to the negative electrode of the first polarity capacitor and grounded;

[0015] The gate of the first MOS transistor is connected to the second connection end of the first control circuit; the drain of the first MOS transistor is connected to the cathode of the thirty-fifth diode, the first connection end of the third control circuit, the cathode of the fourth diode, one end of the thirty-first resistor, and the cathode of the third diode, and the connection point serves as the positive output end of the carrier drive circuit; the anode of the fourth diode;

[0016] The anode of the thirty-fifth diode is connected to the first connection end of the second control circuit and the anode of the eighth diode; the cathode of the eighth diode is connected to the second connection end of the third control circuit;

[0017] The other end of the thirty-first resistor is connected to one end of the thirty-seventh resistor, one end of the thirty-fourth resistor and one end of the fourth capacitor, and the other end of the thirty-fourth resistor serves as a voltage feedback end of the carrier driving circuit; the other end of the fourth capacitor is connected to the other end of the thirty-seventh resistor and is grounded;

[0018] The anode of the third diode serves as the negative output terminal of the carrier driving circuit and is grounded.

[0019] The wireless-to-wired dimming circuit, wherein the first control circuit includes a second MOS tube, a third MOS tube, a fourth MOS tube, a fourteenth resistor, a twelfth resistor, a thirteenth resistor, a twelfth capacitor and a twenty-eighth resistor;

[0020] The base of the third MOS tube serves as the first control input terminal of the carrier drive circuit, and the emitter of the third MOS tube is connected in series with the fourteenth resistor and then grounded; the collector of the third MOS tube is connected to one end of the twelfth resistor, the base of the second MOS tube and the base of the fourth MOS tube, the emitter of the fourth MOS tube is grounded, and the collector of the fourth MOS tube is connected to the emitter of the second MOS tube, one end of the thirteenth resistor and one end of the twelfth capacitor; the other end of the twelfth resistor serves as the first connection terminal of the first control circuit;

[0021] The other end of the thirteenth resistor is connected to the other end of the twelfth capacitor and one end of the twenty-eighth resistor, and the other end of the twenty-eighth resistor serves as a second connection end of the first control circuit.

[0022] The wireless-to-wired dimming circuit, wherein the second control circuit comprises an eighty-fifth transistor, a tenth transistor, a twenty-second resistor, an eighteenth resistor, an eighty-third resistor and an eleventh resistor;

[0023] One end of the eighty-third resistor serves as the second control input terminal of the carrier drive circuit; the other end of the eighty-third resistor is connected to the base of the eighteenth transistor, and the emitter of the eighteenth transistor is connected in series with the eleventh resistor and then grounded; the collector of the eighteenth transistor is connected to one end of the twenty-second resistor and the base of the eighty-fifth transistor; the collector of the eighty-fifth transistor is connected to one end of the twenty-second resistor, and the connection point serves as the first power supply input terminal of the carrier drive circuit; the emitter of the eighty-fifth transistor is connected to one end of the eighteenth resistor, and the other end of the eighteenth resistor serves as the first connection terminal of the second control circuit.

[0024] The wireless-to-wired dimming circuit, wherein the third control circuit includes a fourth resistor, a forty-second resistor, a ninth transistor, a thirty-ninth resistor, an eighth transistor, a sixth transistor, a thirty-fifth resistor and a tenth resistor;

[0025] One end of the thirty-ninth resistor serves as the third feedback end of the carrier driving circuit; the other end of the thirty-ninth resistor is connected to the base of the ninth transistor, the emitter of the ninth transistor is grounded, the collector of the ninth transistor is connected to one end of the fourth resistor and one end of the forty-second resistor; the other end of the fourth resistor is connected to the collector of the sixth transistor and one end of the tenth resistor, and the connection point serves as the first connection end of the third control circuit;

[0026] The other end of the forty-second resistor is connected to the emitter of the sixth transistor and the base of the eighth transistor, and the connection point serves as the second connection end of the third control circuit;

[0027] The other end of the tenth resistor is connected to one end of the thirty-fifth resistor and the collector of the eighth transistor, and the emitter of the eighth transistor is grounded; the other end of the thirty-fifth resistor is connected to the base of the sixth transistor.

[0028] The wireless-to-wired dimming circuit, wherein the power module includes a first buck chip, a second buck chip, a third buck chip, a third capacitor, an eighth resistor, a ninth capacitor, a fifth diode, a first inductor, a second resistor, a third resistor, a tenth capacitor, a forty-eighth polarity capacitor and an eleventh capacitor;

[0029] One end of the third capacitor is connected to one end of the eighth resistor and the fifth pin of the first buck chip, and the connection point serves as the input end of the power module; the other end of the third capacitor is connected to the second pin of the first buck chip and grounded; the other end of the eighth resistor is connected to the fourth pin of the first buck chip;

[0030] The sixth pin of the first buck chip is connected to one end of the ninth capacitor. The cathode of the fifth diode and one end of the first inductor; the other end of the ninth capacitor is connected to the first pin of the first buck chip; the anode of the fifth diode is grounded, and the third pin of the first buck chip is connected to one end of the second resistor and one end of the third resistor;

[0031] The other end of the first inductor is connected to the other end of the second resistor, one end of the tenth capacitor, the positive electrode of the forty-eighth polarity capacitor, the third pin of the second buck chip and the third pin of the third buck chip, and the connection point serves as the third power supply output end of the power module; the other end of the third resistor is connected to the other end of the tenth capacitor, the negative electrode of the forty-eighth polarity capacitor and grounded;

[0032] The second pin of the second step-down chip is connected to one end of the eleventh capacitor, and the connection point serves as the first power supply output end of the power module; the first pin of the second step-down chip is connected to the other end of the eleventh capacitor and is grounded; the first pin of the third step-down chip is grounded, and the second pin of the third step-down chip serves as the second power supply output end of the power module.

[0033] The wireless to wired dimming circuit, wherein the twelfth pin of the control chip is connected to one end of the thirty-third resistor, and the other end of the thirty-third resistor serves as the signal output end of the signal transmission end of the control chip; the eleventh pin of the control chip is connected to one end of the first resistor, and the other end of the first resistor serves as the signal input end of the signal transmission end of the control chip.

[0034] The wireless-to-wired dimming circuit, wherein the nineteenth and twentieth pins of the wireless receiving module are connected to the transmission unit via a connecting socket, and the twenty-first and twenty-second pins of the wireless receiving module are used as power supply input terminals of the wireless receiving module.

[0035] The wireless-to-wired dimming circuit, wherein the transmission unit is a Bluetooth transmission antenna.

[0036] The embodiment of the utility model provides a wireless-to-wired dimming circuit, which includes a wireless receiving module, a power module and a two-bus power carrier module; the wireless receiving module is used to receive wireless signals; the two-bus power carrier module includes a control chip and a carrier drive circuit; the signal transmission end of the wireless receiving module is connected to the signal transmission end of the control chip, and the control output end of the control chip is connected to the control input end of the carrier drive circuit; the voltage feedback end of the carrier drive circuit is connected to the signal output end of the control chip; the positive output end and the negative output end of the carrier drive circuit are respectively connected to a carrier bus; the two carrier buses are respectively electrically connected to the positive and negative poles of each lamp, so as to realize dimming control of the lamp through the two carrier buses. The above-mentioned wireless-to-wired dimming circuit receives wireless signals through the wireless receiving module, and connects the lamps in parallel through two carrier buses, thereby realizing remote intelligent control of multiple lamps, and improving the efficiency of remote control of lamps. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0038] Figure 1 The overall structure diagram of the wireless to wired dimming circuit provided in the embodiment of the utility model;

[0039] Figure 2 A circuit structure diagram of a carrier driving circuit in a wireless-to-wired dimming circuit provided in an embodiment of the utility model;

[0040] Figure 3 A circuit structure diagram of a power module in a wireless-to-wired dimming circuit provided in an embodiment of the utility model;

[0041] Figure 4 A circuit structure diagram of a control chip in a wireless-to-wired dimming circuit provided in an embodiment of the utility model;

[0042] Figure 5 This is a circuit structure diagram of a wireless receiving module in a wireless-to-wired dimming circuit provided in an embodiment of the utility model.

[0043] Figure symbols: P, wireless signal sending terminal; S1, power module; M1, wireless receiving module; U4, control chip; S2, two-bus power carrier module; BUS+, positive output terminal; BUS-, negative output terminal; CE1, first polarity capacitor; Q1, first MOS tube; 11, first control circuit; 12, second control circuit; D35, thirty-fifth diode; D8, eighth diode; 11, third control circuit; D4, fourth diode; R34, thirty-fourth resistor; C4, fourth capacitor; R37, thirty-seventh resistor; R31, thirty-first resistor; D3, third diode; Q2, second MOS tube; Q3, third MOS tube; Q4, fourth MOS tube; R14, fourteenth resistor; R12, twelfth resistor; R13, thirteenth resistor; C12, twelfth capacitor; R28, twenty-eighth resistor; V85, the eighty-fifth transistor; V10, the tenth transistor; R18, the eighteenth resistor; R83, the eighty-third resistor; R11, the eleventh resistor; R22, the twenty-second resistor; R4, the fourth resistor; R42, the forty-second resistor; V9, the ninth transistor; R39, the thirty-ninth resistor; V8, the eighth transistor; V6, the sixth transistor; R35, the thirty-fifth resistor; R10, the tenth resistor; U1, the first buck chip; U2, the second buck chip; U3, the third buck chip; C3, the third capacitor; R8, the eighth resistor; C9, the ninth capacitor; D5, the fifth diode; L1, the first inductor; R2, the second resistor; R3, the third resistor; C10, the tenth capacitor; C48, the forty-eighth polarity capacitor; C11, the eleventh capacitor; R33, the thirty-third resistor; R1, the first resistor; S3, the carrier drive circuit. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0046] It should also be understood that the terms used in the utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in the utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0047] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0048] See also Figure 1 ,like Figure 1As shown, the embodiment of the present application discloses a wireless-to-wired dimming circuit, which includes a wireless receiving module M1, a power module S1 and a two-bus power carrier module S2; the wireless receiving module M1 is used to receive a wireless signal sent by a wireless signal sending terminal P; the two-bus power carrier module S2 includes a control chip U4 and a carrier drive circuit S3, the first power supply output end of the power module S1 is connected to the power supply input end of the wireless receiving module M1, the second power supply output end of the power module S1 is connected to the power supply input end of the control chip U4, and the third power supply output end of the power module S1 is connected to the first power supply input end of the carrier drive circuit S3; The input end of the source module S1 and the second power supply input end of the carrier drive circuit S3 are both connected to the input bus; the signal transmission end of the wireless receiving module M1 is connected to the signal transmission end of the control chip U4, and the control output end of the control chip U4 is connected to the control input end of the carrier drive circuit S3; the signal transmission end of the carrier drive circuit S3 is connected to the signal output end of the control chip U4; the positive output end BUS+ and the negative output end BUS- of the carrier drive circuit S3 are respectively connected to a carrier bus; the two carrier buses are respectively electrically connected to the positive and negative poles of each lamp to achieve dimming control of the lamp through the two carrier buses. Wireless signal transmission is performed between the wireless signal sending terminal P and the wireless receiving module M1, and wired signal transmission is performed between the carrier drive circuit S3 and the lamp through two carrier buses, that is, the purpose of converting wireless signals into wired signals and dimming control of lamps is achieved.

[0049] like Figure 3As shown, the first power supply output terminal of the power module S1 is also the 3.3V output terminal, the second power supply output terminal of the power module S1 is also the VCC3.3V output terminal, and the third power supply output terminal of the power module S1 is also the VCC8.5V output terminal; the positive and negative poles of the input bus are used to input 24V DC current. The user can send a wireless signal to the wireless receiving module M1 through the wireless signal sending terminal P, and the wireless signal sending terminal P can be a terminal device such as a mobile phone or a remote controller; the wireless signal sending terminal P receives the wireless signal and outputs it to the signal transmission terminal of the control chip U4, and the signal transmission terminal of the control chip U4 outputs a control signal to the signal transmission terminal of the carrier drive circuit S3 according to the wireless signal, and the carrier drive circuit S3 adjusts the carrier signal on the positive output terminal BUS+ and the negative output terminal BUS- according to the control signal, so as to synchronously dim the lamps through the corresponding carrier signal. Wherein, the positive output terminal BUS+ and the negative output terminal BUS- are connected to a carrier bus respectively, and the two carrier buses are electrically connected to the positive and negative poles of each lamp respectively, then the lamps can be connected in parallel through the two carrier buses, then the positive and negative poles of each lamp can receive the carrier signal through the positive pole of the lamp while receiving the power supply; the lamp is equipped with a two-bus carrier decoding module, which is used to decode the carrier signal and obtain the corresponding control instruction, so as to dim the lamp according to the control instruction. Wherein, the lamp can be an LED lamp.

[0050] In a more specific embodiment, the carrier drive circuit S3 includes a first control input terminal, a second control input terminal and a voltage feedback terminal; the first control input terminal of the carrier drive circuit S3 is used to control the conduction of a MOS tube; the second control input terminal of the carrier drive circuit S3 is used to control the conduction of a transistor; the voltage feedback terminal of the carrier drive circuit feeds back voltage information to the control chip in the two-bus power supply carrier module.

[0051] The carrier driving circuit S3 includes a first control input terminal, a second control input terminal and a voltage feedback terminal. Figure 2 As shown, the first control input terminal is the CTRH terminal, the second control input terminal is the CTRM terminal, and the voltage feedback terminal is the ANA terminal. The first control input terminal, the second control input terminal and the third control input terminal (CTRL terminal) of the carrier driving circuit S3 can correspond to the three brightness levels of dimming control respectively. The three control output terminals of the control chip U4 are the tenth pin, the first pin and the sixth pin of the control chip U4. Among them, the signal output terminal of the control chip U4 is the nineteenth pin of the control chip U4; the voltage feedback terminal of the carrier driving circuit S3 is also the ANA terminal.

[0052] Specifically, Figure 2As shown, the carrier drive circuit S3 includes a first polarity capacitor CE1, a first MOS transistor Q1, a first control circuit 11, a second control circuit 12, a thirty-fifth diode D35, an eighth diode D8, a third control circuit 11, a fourth diode D4, a thirty-fourth resistor R34, a fourth capacitor C4, a thirty-seventh resistor R37, a thirty-first resistor R31 and a third diode D3; the positive input end of the second power supply input end of the carrier drive circuit S3 is connected to the positive electrode of the first polarity capacitor CE1, the first connection end of the first control circuit 11 and the source of the first MOS transistor Q1; the negative input end of the second power supply input end of the carrier drive circuit S3 is connected to the negative electrode of the first polarity capacitor CE1 and grounded; the gate of the first MOS transistor Q1 is connected to the second connection end of the first control circuit 11; the drain of the first MOS transistor Q1 is connected to the negative electrode of the thirty-fifth diode D35, the first connection end of the third control circuit 11, and the drain of the first MOS transistor Q1. A connection end, a cathode of the fourth diode D4, one end of the thirty-first resistor R31, and a cathode of the third diode D3, and the connection point serves as the positive output end BUS+ of the carrier drive circuit S3; the anode of the fourth diode D4; the anode of the thirty-fifth diode is connected to the first connection end of the second control circuit 12 and the anode of the eighth diode D8; the cathode of the eighth diode D8 is connected to the second connection end of the third control circuit 11; the other end of the thirty-first resistor R31 is connected to one end of the thirty-seventh resistor R37, one end of the thirty-fourth resistor R34 and one end of the fourth capacitor C4, and the other end of the thirty-fourth resistor R34 serves as the signal transmission end of the carrier drive circuit S3; the other end of the fourth capacitor C4 is connected to the other end of the thirty-seventh resistor R37 and is grounded; the anode of the third diode D3 serves as the negative output end BUS- of the carrier drive circuit S3 and is grounded.

[0053] The second power supply input terminal of the carrier driving circuit S3 may be a JCN2 interface, and the second power supply input terminal includes a positive input terminal and a negative input terminal, the positive input terminal is connected to the positive pole of the input bus, and the negative input terminal is connected to the negative pole of the input bus.

[0054] In a more specific embodiment, Figure 2As shown, the first control circuit 11 includes a second MOS transistor Q2, a third MOS transistor Q3, a fourth MOS transistor Q4, a fourteenth resistor R14, a twelfth resistor R12, a thirteenth resistor R13, a twelfth capacitor C12 and a twenty-eighth resistor R28; the base of the third MOS transistor Q3 serves as the first control input end of the carrier drive circuit S3, the emitter of the third MOS transistor Q3 is connected in series with the fourteenth resistor R14 and then grounded; the collector of the third MOS transistor Q3 is connected to one end of the twelfth resistor R12, the base of the second MOS transistor Q2 and the fourth MOS The base of the fourth MOS tube Q4 is connected to the base of the fourth MOS tube Q4, the emitter of the fourth MOS tube Q4 is grounded, the collector of the fourth MOS tube Q4 is connected to the emitter of the second MOS tube Q2, one end of the thirteenth resistor R13 and one end of the twelfth capacitor C12; the other end of the twelfth resistor R12 serves as the first connection end of the first control circuit 11; the other end of the thirteenth resistor R13 is connected to the other end of the twelfth capacitor C12 and one end of the twenty-eighth resistor R28, and the other end of the twenty-eighth resistor R28 serves as the second connection end of the first control circuit 11.

[0055] Specifically, Figure 2 As shown, the second control circuit 12 includes an eighty-fifth transistor V85, a tenth transistor V10, a twenty-second resistor R22, an eighteenth resistor R18, an eighty-third resistor R83 and an eleventh resistor R11; one end of the eighty-third resistor R83 serves as the second control input end of the carrier drive circuit S3; the other end of the eighty-third resistor R83 is connected to the base of the tenth transistor V10, and the emitter of the tenth transistor V10 is connected in series with the eleventh resistor R11 and then grounded; the collector of the tenth transistor V10 is connected to one end of the twenty-second resistor R22 and the base of the eighty-fifth transistor V85; the collector of the eighty-fifth transistor V85 is connected to one end of the twenty-second resistor R22, and the connection point serves as the first power supply input end of the carrier drive circuit S3; the emitter of the eighty-fifth transistor V85 is connected to one end of the eighteenth resistor R18, and the other end of the eighteenth resistor R18 serves as the first connection end of the second control circuit 12.

[0056] In a more specific embodiment, Figure 2As shown, the third control circuit 11 includes a fourth resistor R4, a forty-second resistor R42, a ninth transistor V9, a thirty-ninth resistor R39, an eighth transistor V8, a sixth transistor V6, a thirty-fifth resistor R35 and a tenth resistor R10; one end of the thirty-ninth resistor R39 serves as a third feedback end of the carrier drive circuit S3; the other end of the thirty-ninth resistor R39 is connected to the base of the ninth transistor V9, the emitter of the ninth transistor V9 is grounded, and the collector of the ninth transistor V9 is connected to one end of the fourth resistor R4 and one end of the forty-second resistor R42; the fourth resistor R 4 is connected to the collector of the sixth transistor V6 and one end of the tenth resistor R10, and the connection point serves as the first connection end of the third control circuit 11; the other end of the forty-second resistor R42 is connected to the emitter of the sixth transistor V6 and the base of the eighth transistor V8, and the connection point serves as the second connection end of the third control circuit 11; the other end of the tenth resistor R10 is connected to one end of the thirty-fifth resistor R35 and the collector of the eighth transistor V8, and the emitter of the eighth transistor V8 is grounded; the other end of the thirty-fifth resistor R35 is connected to the base of the sixth transistor V6.

[0057] In a more specific embodiment, Figure 3As shown, the power module S1 includes a first buck chip U1, a second buck chip U2, a third buck chip U3, a third capacitor C3, an eighth resistor R8, a ninth capacitor C9, a fifth diode D5, a first inductor L1, a second resistor R2, a third resistor R3, a tenth capacitor C10, a forty-eighth polarity capacitor C48 and an eleventh capacitor C11; one end of the third capacitor C3 is connected to one end of the eighth resistor R8 and the fifth pin of the first buck chip U1, and the connection point serves as the input end of the power module S1; the other end of the third capacitor C3 is connected to the second pin of the first buck chip U1 and is grounded; the other end of the eighth resistor R8 is connected to the fourth pin of the first buck chip U1; the sixth pin of the first buck chip U1 is connected to one end of the ninth capacitor C9. The cathode of the fifth diode D5 and one end of the first inductor L1; the other end of the ninth capacitor C9 is connected to the first pin of the first buck chip U1; the anode of the fifth diode D5 is grounded, and the third pin of the first buck chip U1 is connected to one end of the second resistor R2 and one end of the third resistor R3; the other end of the first inductor L1 is connected to the other end of the second resistor R2, one end of the tenth capacitor C10, the anode of the forty-eighth polarity capacitor C48, the third pin of the second buck chip U2 and the third pin of the third buck chip U3, and the connection point serves as the power supply The third power supply output terminal of the module S1; the other end of the third resistor R3 is connected to the other end of the tenth capacitor C10, the negative electrode of the forty-eighth polarity capacitor C48 and grounded; the second pin of the second step-down chip U2 is connected to one end of the eleventh capacitor C11, and the connection point serves as the first power supply output terminal of the power module S1; the first pin of the second step-down chip U2 is connected to the other end of the eleventh capacitor C11 and grounded; the first pin of the third step-down chip U3 is grounded, and the second pin of the third step-down chip U3 serves as the second power supply output terminal of the power module S1.

[0058] The input end of the power module S1 is used to input a 24V voltage, the first power supply output end and the second power supply end of the power module S1 are used to output a 3.3V voltage, and the third power supply output end of the power module S1 is used to output an 8.5V voltage.

[0059] In a more specific embodiment, Figure 4 As shown, the twelfth pin of the control chip U4 is connected to one end of the thirty-third resistor R33, and the other end of the thirty-third resistor R33 serves as the signal output end of the signal transmission end of the control chip U4; the eleventh pin of the control chip U4 is connected to one end of the first resistor R1, and the other end of the first resistor R1 serves as the signal input end of the signal transmission end of the control chip U4. Specifically, as Figure 5As shown, the 19th and 20th pins of the wireless receiving module M1 are connected to the transmission unit through a connector, and the 21st and 22nd pins of the wireless receiving module M1 are used as power input terminals of the wireless receiving module M1. The transmission unit is a Bluetooth transmission antenna.

[0060] After the twelfth pin of the control chip U4 is connected in series with the thirty-third resistor R33, it is connected to the fourth pin of the wireless receiving module M1; after the eleventh pin of the control chip U4 is connected in series with the first resistor R1, it is connected to the fifth pin of the wireless receiving module M1. The fifth pin of the wireless receiving module M1 outputs a signal and transmits it to the eleventh pin of the control chip U4, and the control chip U4 can receive the corresponding signal through its eleventh pin; the twelfth pin of the control chip U4 outputs a signal and transmits it to the fourth pin connected to the wireless receiving module M1, and the wireless receiving module M1 can receive the corresponding signal through its fourth pin.

[0061] The nineteenth and twentieth pins of the wireless receiving module M1 are connected to the transmission unit through a connecting socket, and the transmission unit can be set as a Bluetooth transmission unit; one of the nineteenth and twentieth pins of the wireless receiving module M1 is used to receive Bluetooth signals, and the other pin is used to send Bluetooth signals.

[0062] The wireless-to-wired dimming circuit provided in the embodiment of the utility model includes a wireless receiving module, a power module and a two-bus power carrier module; the wireless receiving module is used to receive wireless signals; the two-bus power carrier module includes a control chip and a carrier drive circuit; the signal transmission end of the wireless receiving module is connected to the signal transmission end of the control chip, and the control output end of the control chip is connected to the control input end of the carrier drive circuit; the voltage feedback end of the carrier drive circuit is connected to the signal output end of the control chip; the positive output end and the negative output end of the carrier drive circuit are respectively connected to a carrier bus; the two carrier buses are respectively electrically connected to the positive and negative poles of each lamp to realize dimming control of the lamp through the two carrier buses. The above-mentioned wireless-to-wired dimming circuit receives wireless signals through the wireless receiving module, and connects the lamps in parallel through two carrier buses, thereby realizing remote intelligent control of multiple lamps and improving the efficiency of remote control of lamps.

[0063] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A wireless to wired dimming circuit, characterized in that: The dimming circuit includes a wireless receiving module, a power supply module and a two-bus power supply carrier module; The wireless receiving module is used to receive the wireless signal sent by the wireless signal sending terminal; the two-bus power supply carrier module includes a control chip and a carrier drive circuit; The first power supply output terminal of the power supply module is connected to the power supply input terminal of the wireless receiving module, the second power supply output terminal of the power supply module is connected to the power supply input terminal of the control chip in the two-bus power supply carrier module, and the third power supply output terminal of the power supply module is connected to the first power supply input terminal of the carrier drive circuit; the input terminal of the power supply module and the input terminal of the carrier drive circuit are both connected to the input power bus; The signal transmission end of the wireless receiving module is connected to the signal transmission end of the control chip in the two-bus power supply carrier module, and the control output end and the voltage sampling end of the control chip in the two-bus power supply carrier module are respectively connected to the control input end and the voltage feedback end of the carrier drive circuit; The positive output terminal and the negative output terminal of the carrier driving circuit are respectively connected to a carrier bus; the two carrier buses are respectively electrically connected to each lamp to achieve dimming and color adjustment control of the lamp through the two carrier buses.

2. The wireless-to-wired dimming circuit according to claim 1, characterized in that: The carrier driving circuit includes a first control input terminal, a second control input terminal and a voltage feedback terminal; The first control input terminal of the carrier driving circuit is used to control the conduction of a MOS tube; The second control input terminal of the carrier driving circuit is used to control a transistor to be turned on; the voltage feedback terminal of the carrier driving circuit feeds back voltage information to the control chip in the two-bus power supply carrier module.

3. The wireless-to-wired dimming circuit according to claim 2, characterized in that: The carrier driving circuit includes a first polarity capacitor, a first MOS tube, a first control circuit, a second control circuit, a thirty-fifth diode, an eighth diode, a third control circuit, a fourth diode, a thirty-fourth resistor, a fourth capacitor, a thirty-seventh resistor, a thirty-first resistor and a third diode; The positive input end of the second power supply input end of the carrier driving circuit is connected to the positive electrode of the first polarity capacitor, the first connection end of the first control circuit and the source of the first MOS tube; The negative input terminal of the second power supply input terminal of the carrier driving circuit is connected to the negative electrode of the first polarity capacitor and is grounded; The gate of the first MOS transistor is connected to the second connection end of the first control circuit; the drain of the first MOS transistor is connected to the cathode of the thirty-fifth diode, the first connection end of the third control circuit, the cathode of the fourth diode, one end of the thirty-first resistor, and the cathode of the third diode, and the connection point serves as the positive output end of the carrier drive circuit; the anode of the fourth diode; The anode of the thirty-fifth diode is connected to the first connection end of the second control circuit and the anode of the eighth diode; the cathode of the eighth diode is connected to the second connection end of the third control circuit; The other end of the thirty-first resistor is connected to one end of the thirty-seventh resistor, one end of the thirty-fourth resistor and one end of the fourth capacitor, and the other end of the thirty-fourth resistor serves as a voltage feedback end of the carrier driving circuit; the other end of the fourth capacitor is connected to the other end of the thirty-seventh resistor and is grounded; The anode of the third diode serves as the negative output terminal of the carrier driving circuit and is grounded.

4. The wireless-to-wired dimming circuit according to claim 3, characterized in that: The first control circuit includes a second MOS transistor, a third MOS transistor, a fourth MOS transistor, a fourteenth resistor, a twelfth resistor, a thirteenth resistor, a twelfth capacitor and a twenty-eighth resistor; The base of the third MOS tube serves as the first control input terminal of the carrier drive circuit, and the emitter of the third MOS tube is connected in series with the fourteenth resistor and then grounded; the collector of the third MOS tube is connected to one end of the twelfth resistor, the base of the second MOS tube and the base of the fourth MOS tube, the emitter of the fourth MOS tube is grounded, and the collector of the fourth MOS tube is connected to the emitter of the second MOS tube, one end of the thirteenth resistor and one end of the twelfth capacitor; the other end of the twelfth resistor serves as the first connection terminal of the first control circuit; The other end of the thirteenth resistor is connected to the other end of the twelfth capacitor and one end of the twenty-eighth resistor, and the other end of the twenty-eighth resistor serves as a second connection end of the first control circuit.

5. The wireless-to-wired dimming circuit according to claim 3, characterized in that: The second control circuit includes an eighty-fifth transistor, a tenth transistor, a twenty-second resistor, an eighteenth resistor, an eighty-third resistor and an eleventh resistor; One end of the eighty-third resistor serves as the second control input terminal of the carrier drive circuit; the other end of the eighty-third resistor is connected to the base of the eighteenth transistor, and the emitter of the eighteenth transistor is connected in series with the eleventh resistor and then grounded; the collector of the eighteenth transistor is connected to one end of the twenty-second resistor and the base of the eighty-fifth transistor; the collector of the eighty-fifth transistor is connected to one end of the twenty-second resistor, and the connection point serves as the first power supply input terminal of the carrier drive circuit; the emitter of the eighty-fifth transistor is connected to one end of the eighteenth resistor, and the other end of the eighteenth resistor serves as the first connection terminal of the second control circuit.

6. The wireless-to-wired dimming circuit according to claim 3, characterized in that: The third control circuit includes a fourth resistor, a forty-second resistor, a ninth transistor, a thirty-ninth resistor, an eighth transistor, a sixth transistor, a thirty-fifth resistor and a tenth resistor; One end of the thirty-ninth resistor serves as the third feedback end of the carrier driving circuit; the other end of the thirty-ninth resistor is connected to the base of the ninth transistor, the emitter of the ninth transistor is grounded, the collector of the ninth transistor is connected to one end of the fourth resistor and one end of the forty-second resistor; the other end of the fourth resistor is connected to the collector of the sixth transistor and one end of the tenth resistor, and the connection point serves as the first connection end of the third control circuit; The other end of the forty-second resistor is connected to the emitter of the sixth transistor and the base of the eighth transistor, and the connection point serves as the second connection end of the third control circuit; The other end of the tenth resistor is connected to one end of the thirty-fifth resistor and the collector of the eighth transistor, and the emitter of the eighth transistor is grounded; the other end of the thirty-fifth resistor is connected to the base of the sixth transistor.

7. The wireless-to-wired dimming circuit according to claim 3, characterized in that: The power module includes a first buck chip, a second buck chip, a third buck chip, a third capacitor, an eighth resistor, a ninth capacitor, a fifth diode, a first inductor, a second resistor, a third resistor, a tenth capacitor, a forty-eighth polarity capacitor and an eleventh capacitor; One end of the third capacitor is connected to one end of the eighth resistor and the fifth pin of the first buck chip, and the connection point serves as the input end of the power module; the other end of the third capacitor is connected to the second pin of the first buck chip and grounded; the other end of the eighth resistor is connected to the fourth pin of the first buck chip; The sixth pin of the first buck chip is connected to one end of the ninth capacitor; the cathode of the fifth diode and one end of the first inductor; the other end of the ninth capacitor is connected to the first pin of the first buck chip; The anode of the fifth diode is grounded, and the third pin of the first buck chip is connected to one end of the second resistor and one end of the third resistor; The other end of the first inductor is connected to the other end of the second resistor, one end of the tenth capacitor, the positive electrode of the forty-eighth polarity capacitor, the third pin of the second buck chip and the third pin of the third buck chip, and the connection point serves as the third power supply output end of the power module; the other end of the third resistor is connected to the other end of the tenth capacitor, the negative electrode of the forty-eighth polarity capacitor and grounded; The second pin of the second step-down chip is connected to one end of the eleventh capacitor, and the connection point serves as the first power supply output end of the power module; the first pin of the second step-down chip is connected to the other end of the eleventh capacitor and is grounded; the first pin of the third step-down chip is grounded, and the second pin of the third step-down chip serves as the second power supply output end of the power module.

8. The wireless-to-wired dimming circuit according to claim 4, characterized in that: The twelfth pin of the control chip is connected to one end of the thirty-third resistor, and the other end of the thirty-third resistor serves as the signal output end of the signal transmission end of the control chip; the eleventh pin of the control chip is connected to one end of the first resistor, and the other end of the first resistor serves as the signal input end of the signal transmission end of the control chip.

9. The wireless-to-wired dimming circuit according to claim 4, characterized in that: The nineteenth pin and the twentieth pin of the wireless receiving module are connected to the transmission unit through a connecting socket, and the twenty-first pin and the twenty-second pin of the wireless receiving module are used as power supply input terminals of the wireless receiving module.

10. The wireless-to-wired dimming circuit according to claim 9, characterized in that: The transmission unit is a Bluetooth transmission antenna.

Images