CN114173460A - Lamp control circuit and controller - Google Patents
Lamp control circuit and controller Download PDFInfo
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- CN114173460A CN114173460A CN202111399539.5A CN202111399539A CN114173460A CN 114173460 A CN114173460 A CN 114173460A CN 202111399539 A CN202111399539 A CN 202111399539A CN 114173460 A CN114173460 A CN 114173460A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Abstract
The application relates to the technical field of lighting lamp control, in particular to a lamp control circuit and a controller, wherein the circuit comprises a DC _ DC conversion module, an MCU control module, an MOS drive module and a color temperature adjusting module which are sequentially connected; the MCU control module is connected with an information transceiving module, and the information transceiving module comprises a signal transmitting unit and a signal receiving unit; the signal transmitting unit comprises a signal transmitting component, a first protocol conversion chip U1 and an encoding key, wherein the signal transmitting component is connected with the first protocol conversion chip U1, and the first protocol conversion chip U1 is connected with the encoding key; the signal receiving unit comprises a signal receiving component and a second protocol conversion chip U2 matched with the first protocol conversion chip U1, the signal receiving component is connected with the second protocol conversion chip U2, and a pin 3 of the second protocol conversion chip U2 is connected with a power supply. The lamp control circuit and the controller have the effect of improving lamp regulation and control.
Description
Technical Field
The application relates to the technical field of lighting lamp equipment, in particular to a lamp control circuit and a controller.
Background
Lamps and lanterns are the general term for lighting tools, refer to the apparatus that can pass light, distribute and change the light source distribution, are usually applied to places such as living room, bedroom, market, etc. when using, mainly control its illumination usage
The lighting control system realizes on-off regulation and control of the lamp through the control system.
The remote control lamp can be realized by adopting a remote control module, and the remote control module comprises a remote control transmitting end and a remote control receiving end. The remote control transmitting end is provided with a key, the wireless remote control receiving end is connected with a relay, and the relay is connected in a power supply loop of the lamp; when a key on the remote control transmitting end is pressed, a key signal is generated, and the transmitting end codes and modulates the key signal and then transmits the key signal through radio waves; and the receiving end receives the radio wave sent out by the transmitting end and decodes the radio wave to obtain a control signal so as to control the relay to be closed to light the lamp. When a plurality of lamps need to be regulated, a plurality of corresponding wireless remote control transmitting terminals are often needed to control the lamps.
For the related technologies, in each use scene or in actual life, a plurality of lamps generally exist at the same time, and each lamp may exist or belong to a plurality of different types, so that a plurality of different control terminals need to be configured to effectively control all the lamps, and the inventor thinks that there is a defect of inconvenient operation.
Disclosure of Invention
In order to promote the one-to-many and many-to-one control effect of wireless remote control transmitting terminal and wireless remote control receiving terminal, this application provides a lamps and lanterns control circuit and controller.
The following technical scheme is adopted:
a luminaire control circuit comprising:
the device comprises a DC _ DC conversion module, an MCU control module, an MOS drive module and a color temperature adjusting module which are connected in sequence;
the MCU control module is connected with an information transceiving module, and the information transceiving module comprises a signal transmitting unit and a signal receiving unit;
the signal transmitting unit comprises a signal transmitting component, a first protocol conversion chip U1 and an encoding key, wherein the signal transmitting component is connected with the first protocol conversion chip U1, and the first protocol conversion chip U1 is connected with the encoding key;
the signal receiving unit comprises a signal receiving component and a second protocol conversion chip U2 matched with the first protocol conversion chip U1, the signal receiving component is connected with the second protocol conversion chip U2, and a pin 3 of the second protocol conversion chip U2 is connected with a power supply.
By adopting the technical scheme, corresponding coding information is generated by operating the coding key, the first protocol conversion chip U1 modulates and converts the coding information, the information subjected to modulation and coding sends a wireless signal through the wireless transmitting antenna, the wireless receiving antenna receives the modulated coding signal transmitted by the wireless transmitting antenna and sends the modulated coding signal to the second protocol conversion chip, the second protocol conversion chip demodulates the modulated coding signal and restores the modulated coding signal into coding information, and the coding information is finally sent to the MCU control module to process to realize various instructions, wherein the MCU control module sends the driving signal to the MOS driving module, and the MOS driving module drives and controls the color temperature adjusting module, so that the color temperature adjusting module adjusts the color temperature of the LED bulb.
Preferably, a resonant circuit is arranged between the signal receiving component and the second protocol conversion chip U2;
the resonant circuit comprises a resistor R1, an inductor L1 and a capacitor C1 which are sequentially connected in series, wherein one end of the resistor R1 is connected with the signal receiving part, and the other end of the capacitor C1 is connected with a pin 1 of the second protocol conversion chip U2.
By adopting the technical scheme, the RLC resonant circuit formed by the resistor R1, the inductor L1 and the capacitor C1 can perform frequency selection on signals received by the wireless receiving antenna, so that the second protocol conversion chip U2 can better receive command signals.
Preferably, the resonant circuit is connected with a useful filter circuit;
the filter circuit comprises a capacitor C2 and a capacitor C3 which are connected in parallel, wherein the positive pole of the capacitor C2 is connected with one end of the resistor R1 and one end of the inductor L1 respectively, the positive pole of the capacitor C3 is connected with one end of the inductor L1 and one end of the capacitor C1 respectively, and the negative pole of the capacitor C2 and the negative pole of the capacitor C3 are connected and grounded.
By adopting the technical scheme, the filter circuit formed by connecting the capacitor C2 and the capacitor C3 in parallel can shield outside clutter signals and prevent the circuit from interference.
Preferably, the second protocol conversion chip U2 is connected to a voltage regulator circuit;
the voltage stabilizing circuit comprises a capacitor C4, a capacitor C5, a capacitor C6 and a capacitor C7 which are connected in parallel, the anodes of the capacitor C4, the capacitor C5, the capacitor C6 and the capacitor C7 are all connected with the second protocol conversion chip U2 and a power supply, and the cathodes of the capacitor C4, the capacitor C5, the capacitor C6 and the capacitor C7 are all grounded.
By adopting the technical scheme, the voltage stabilizing circuit can reduce the occurrence of voltage sudden change in the circuit.
Preferably, the second protocol conversion chip U2 is connected to a crystal oscillator circuit;
the crystal oscillator circuit comprises a singlechip U3, a resistor R2, a resistor R3, a capacitor C8 and a capacitor C9, the resistor R2 and the resistor R3 are connected in parallel, one end of the capacitor C8 is connected in series with the parallel circuit of the resistor R2 and the resistor R3, the other end of the capacitor C8 is grounded, the pin 1 of the singlechip U3 is connected between the capacitor C8 and the parallel circuit of the resistor R2 and the resistor R3, pin 2 of the singlechip U3 is connected with the grounding end of the capacitor C8 and grounded, one end of the resistor R2 is connected with pin 15 of the singlechip U2, one end of the resistor R3 is connected with a pin 16 of the singlechip U2, a pin 3 of the singlechip U3 is connected between the resistor R2 and a pin 15 of the singlechip U2, the pin 4 of the singlechip U3 is grounded, one end of the capacitor C9 is connected between the resistor R2 and the pin 15 of the singlechip U2, and the other end of the capacitor C9 is connected with the ground terminal of the pin 4 of the singlechip U3.
By adopting the technical scheme, the crystal oscillator circuit can provide a basic clock signal for the second protocol conversion chip U2, and is beneficial to keeping synchronization of all parts of the protocol conversion circuit.
Preferably, the MCU control module comprises a singlechip U4 and a signal voltage stabilizing circuit;
the signal voltage stabilizing circuit comprises a resistor R4, a resistor R5, a resistor R6 and a resistor R7, one end of the resistor R4 is connected with a pin 2 of a single chip microcomputer U4, one end of the resistor R5 is connected with a pin 3 of the single chip microcomputer U4, the resistor R6 is connected with a pin 5 of a single chip microcomputer U4, and one end of the resistor R7 is connected with a pin 8 of the single chip microcomputer U4.
By adopting the technical scheme, the signal voltage stabilizing circuit can enable the single chip microcomputer U4 to stably receive the voltage signal with the characteristic.
Preferably, the single chip microcomputer U4 is connected with an over-temperature protection circuit;
the over-temperature protection circuit comprises a resistor R8, a resistor R9, a resistor R10 and a resistor R11, wherein the resistor R8 and the resistor R9 are connected in series, one end of the resistor R8 is connected with a power supply, one end of the resistor R9 is grounded, the resistor R10 is connected with the resistor R11 in series, one end of the resistor R10 is connected between the power supply and the resistor R8, one end of the resistor R11 is grounded, a pin 19 of the singlechip U4 is connected between the resistor R8 and the resistor R9, and a pin 20 of the singlechip U4 is connected between the resistor R10 and the resistor R11.
By adopting the technical scheme, the over-temperature protection circuit can detect the voltage change and the real-time temperature of the circuit.
Preferably, the single chip microcomputer U4 is connected with a power-on reset circuit for resetting signals;
the power-on reset circuit comprises a resistor R12, a capacitor C10 and a diode D1, wherein the resistor R12 is connected with the capacitor C10 in series, one end of the resistor R12 is connected with a power supply, one end of the capacitor C10 is grounded, one end of the diode D1 is connected between the resistor R12 and the power supply, the other end of the diode D1 is connected with the ground end of the capacitor C10, and a pin 4 of the single chip microcomputer U4 is connected with the ground end of the capacitor C10.
By adopting the technical scheme, when the single chip microcomputer U4 is at a high level, the system works normally, and when the single chip microcomputer U4 is at a low level, the power-on reset circuit triggers resetting.
Preferably, an overcurrent protection circuit is arranged between the color temperature adjusting module and the single chip microcomputer chip U4;
the overcurrent protection circuit comprises a single chip microcomputer U5, a voltage protection circuit and a detection circuit, wherein a pin 1 and a pin 2 of the single chip microcomputer U5 are connected and grounded;
the voltage protection circuit comprises a resistor R13, a capacitor C11, a capacitor C12, a capacitor C13 and a capacitor C14, one end of the resistor R13 is connected with a pin 3 of the singlechip U5, the other end of the resistor R13 is connected with a power supply, one ends of the capacitor C11 and the capacitor C12 are connected between the resistor R13 and the power supply, the other ends of the capacitor C11 and the capacitor C12 are grounded, one ends of the capacitor C13 and the capacitor C14 are connected between the resistor R13 and the pin 3 of the singlechip U5, and the other ends of the capacitor C13 and the capacitor C14 are connected with grounded ends of the capacitor C11 and the capacitor C12 and grounded.
The detection circuit comprises a resistor R14 and a capacitor C15, one end of the resistor R14 is connected with a pin 4 of the single chip microcomputer U5, the other end of the resistor R14 is connected with a power supply, one end of the capacitor C15 is connected between the resistor R14 and the pin 4 of the single chip microcomputer U5, the other end of the capacitor C15 is connected with a pin 5 of the single chip microcomputer U5, and the anode of the lamp is connected between the capacitor C15 and the pin 5 of the single chip microcomputer U5.
By adopting the technical scheme, the overcurrent protection circuit can detect the lamp current connected with the color temperature adjusting module, and further feeds the detection signal back to the single chip microcomputer chip U4 to implement adjustment control.
A luminaire controller comprising a control board on which the signal transmitting unit of claims 1-9 is disposed;
the control panel comprises a brightness reduction rough adjusting key, a brightness increase rough adjusting key and a brightness quick adjusting key, and the brightness reduction rough adjusting key, the brightness increase rough adjusting key and the brightness quick adjusting key are correspondingly connected with the coding key.
Through adopting above-mentioned technical scheme, the control panel provides corresponding carrier for signal transmission unit, reduces coarse adjusting key, luminance increase coarse adjusting key and luminance quick adjustment key through setting up luminance, is convenient for regulate and control lamps and lanterns control system, and then can control a plurality of controlled ends through a control end, has reduced control end quantity, has improved practical experience, has reduced equipment cost.
In summary, the protocol conversion chip U1 is disposed in the signal transmitting unit, the protocol conversion chip U2 is disposed in the signal transmitting unit, and the controller and the control system can complete one-to-many or many-to-one control through the cooperation control between the protocol conversion chip U1 and the protocol conversion chip U2.
Drawings
Fig. 1 is a DC _ DC conversion module of a lamp control circuit according to the present application.
Fig. 2 is an MCU control module of a lamp control circuit according to the present application.
Fig. 3 is a MOS driving module and a color temperature adjusting module of a lamp control circuit according to the present application.
Fig. 4 is a wireless transmitting unit of a lamp control circuit according to the present application.
Fig. 5 is a wireless receiving unit of a lamp control circuit according to the present application.
Fig. 6 is a crystal oscillator circuit of a lamp control circuit according to the present application.
Fig. 7 is an over-temperature protection circuit of a lamp control circuit according to the present application.
Fig. 8 is a power-on reset circuit of a lamp control circuit according to the present application.
Fig. 9 is an overcurrent protection circuit of a lamp control circuit according to the present application.
Fig. 10 is a control board in a luminaire controller of the present application.
Reference numerals: 1. a DC _ DC conversion module; 2. an MCU control module; 21. a signal voltage stabilizing circuit; 22. an over-temperature protection circuit; 23. a power-on reset circuit; 3. a MOS drive module; 31. a filter circuit; 4. a color temperature adjusting module; 41. a current limiting circuit; 5. a signal transceiving module; 51. a signal transmitting unit; 511. a signal transmitting antenna; 512. a coding key; 52. a signal receiving unit; 521. a signal receiving antenna; 522. a resonant circuit; 523. a filter circuit; 524. a voltage stabilizing circuit; 525. a crystal oscillator circuit; 6. an overcurrent protection circuit; 61. a voltage protection circuit; 62. a detection circuit; 7. a control panel; 71. a brightness reduction coarse adjustment key; 72. a brightness increase coarse adjustment key; 73. brightness quick adjustment key.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to fig. 1-10 and the embodiments.
The embodiment of the application discloses lamps and lanterns control circuit, refer to fig. 1-3, lamps and lanterns control circuit includes DC _ DC transform module 1, MCU control module 2 and MOS drive module 3 and colour temperature regulation module 4, DC _ DC transform module 1's output is connected with MCU control module 2's incoming end, MCU control module 2's output is connected with MOS drive module 3's incoming end, MOS drive module 3 is connected with colour temperature regulation module 4.
The DC _ DC conversion module 1 is used for reducing the voltage of an input power supply, the MCU control module 2 is used for sampling and receiving processing signals, and the MOS drive module 3 is used for transmitting signals and driving the color temperature adjusting module 4 to adjust the brightness of the lamp.
As shown in fig. 1, the DC _ DC conversion module 1 includes a single chip microcomputer U6, a resistor R15, a resistor R16, a resistor R17, a capacitor C16, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, an inductor L2, and a diode D2, an input terminal of the diode D2 is connected to an output terminal of the power supply, an output terminal of the diode D2 is connected to a pin 5 of the single chip microcomputer U6, anodes of the capacitor C16 and the capacitor C17 are connected between the diode D2 and the pin 5 of the single chip microcomputer U1, cathodes of the capacitor C16 and the capacitor C17 are grounded, one end of the resistor R15 is connected between the capacitor C17 and the pin 5 of the single chip microcomputer U6, the other end is connected to a pin 4 of the single chip microcomputer U6, an anode of the capacitor C18 is connected between the pins 4 of the resistors R15 and U6, a cathode of the capacitor C18 is grounded, one end of the inductor L2 is connected to a pin 896 of the single chip microcomputer U6, the other end of the capacitor C19 is connected with the output end of the power supply, one end of the capacitor C19 is connected with a pin 1 of the single chip microcomputer U6, the other end of the capacitor C19 is connected between a pin 6 of the single chip microcomputer U6 and an inductor L1, the anode of the capacitor C20 and one end of a resistor R16 are connected between an inductor L2 and the power supply, the cathode of the capacitor C20 and the other end of the resistor R16 are connected with a pin 3 of the single chip microcomputer U6, one end of the resistor R17 is connected with a resistor R16, the other end of the resistor R17 is grounded, the anodes of the capacitor C21 and the capacitor C22 are connected between the resistor R16 and the power supply, the cathodes of the capacitor C21 and the capacitor C22 are grounded, and a pin 2 of the single chip microcomputer U6 is grounded. The input voltage can be converted into the rated output voltage required by the circuit through the DC _ DC conversion module 1.
As shown in fig. 2, the MCU control module 2 includes a single chip microcomputer U4 and a signal stabilizing circuit 21, the signal stabilizing circuit 21 includes a resistor R4, a resistor R5, a resistor R6 and a resistor R7, one end of the resistor R4 is connected to a pin 2 of the single chip microcomputer U2, one end of the resistor R5 is connected to a pin 3 of the single chip microcomputer U2, a resistor R6 is connected to a pin 5 of the single chip microcomputer U2, one end of the resistor R7 is connected to a pin 8 of the single chip microcomputer U2, and the signal stabilizing circuit 21 enables the single chip microcomputer U2 to stably receive a characteristic voltage signal.
As shown in fig. 3, the MOS driver module 3 includes a single chip microcomputer U7 and a filter circuit 31, the filter circuit 31 includes a capacitor C23 and a capacitor C24, a pin 1 of the single chip microcomputer U7 is connected to a pin 15 of the single chip microcomputer U4, a pin 2 of the single chip microcomputer U7 is connected to a pin 14 of the single chip microcomputer U4, a pin 3 of the single chip microcomputer U7 is grounded, a pin 4 of the single chip microcomputer U7 is connected to a pin 13 of the single chip microcomputer U4, a pin 6 of the single chip microcomputer U7 is connected to a power output terminal, anodes of the capacitor C23 and the capacitor C24 are connected between the pin 6 of the single chip microcomputer U7 and a power supply, and cathodes of the capacitor C23 and the capacitor C24 are connected to the pin 3 of the single chip microcomputer U7 and grounded. The filter circuit 31 can filter the circuit to prevent interference.
As shown in fig. 3, the color temperature adjusting module 4 includes a MOS transistor Q1, a diode D3, a diode D4, a resistor R18, a resistor R19, a capacitor C25, and a current limiting circuit 41;
one end of the resistor R18 is connected with a pin 5 of the singlechip U7, the other end of the resistor R18 is connected with a G pole of the MOS transistor Q1, and the resistor R18 plays a role in current limiting; the S pole of the MOS tube Q1 is grounded, the diode D3 is connected with the diode D4 in parallel, the D pole of the MOS tube is connected with the input ends of the diode D3 and the diode D4, the MOS tube Q1 plays a role of a switch, current is conducted to enter a circuit if the current is input, and the current is grounded if the current is not input; the output ends of the diode D3 and the diode D4 are connected with a power supply, the anode of the lamp is connected between the power supply and the diode D3 and the diode D4, the cathode of the lamp is connected between the input ends of the diode D3 and the diode D4 and the D pole of the MOS tube, and the diode D3 and the diode D4 can prevent backflow and can reduce the resistance value of the circuit in parallel connection; one end of a resistor R19 is connected between the diode D2, the diode D3 and the anode of the lamp, the other end of the resistor R9 is connected with one end of a capacitor C25, the other end of a capacitor C25 is connected with the cathode of the lamp, the resistor R19 plays a role in limiting current, and the capacitor C25 can detect whether the circuit is over-current or not.
The current limiting circuit 41 includes a resistor R20 and a resistor R21, one end of the resistor R20 is connected to the power output terminal, the other end of the resistor R20 is connected between the output terminals of the diode D3 and the diode D4 and the anode of the lamp, one end of the resistor R21 is connected between the resistor 20 and the power output terminal, and the other end is connected between the output terminals of the diode D3 and the diode D4. The resistor R20 and the resistor R21 are connected in parallel, so that the required resistance value of the circuit can be met and the circuit can be limited.
As shown in fig. 4 and 5, the lamp control circuit includes a signal transceiver module 5, and the signal transceiver module 5 includes a signal transmitting unit 51 and a signal receiving unit 52;
the signal transmitting unit 51 includes a signal transmitting antenna 511, a first protocol conversion chip U1 and an encoding key 512, the signal transmitting antenna 511 is connected to a pin 1 of the first protocol conversion chip U1, a pin 2 of the first protocol conversion chip U1 is grounded, a pin 3 of the first protocol conversion chip U1 is connected to a power supply voltage output terminal, and a pin 12 of the first protocol conversion chip U1 is connected to the encoding key 512. The corresponding coded information is generated by the coding key 512, the first protocol conversion chip U1 performs modulation conversion on the coded information, and the modulated and coded information sends out a wireless signal through the signal transmitting antenna 511.
The signal receiving unit 52 includes a signal receiving antenna 521 and a second protocol conversion chip U2 matched with the first protocol conversion chip U1, wherein the first protocol conversion chip U1 and the second protocol conversion chip U2 may be configured as WL2402 chips, the signal receiving antenna 521 is connected to a pin 1 of the second protocol conversion chip U2, a pin 2 of the second protocol conversion chip U2 is grounded, and a pin 3 of the second protocol conversion chip U2 is connected to the power supply voltage output terminal. The signal receiving antenna 521 receives the modulated coded signal transmitted by the signal transmitting antenna 511 and sends the modulated coded signal to the second protocol conversion chip U2, and the second protocol conversion chip U2 demodulates the modulated coded signal with the modulation scheme and restores the demodulated coded signal to coded information.
As shown in fig. 5, a resonant circuit 522, a filter circuit 523 and a voltage stabilizing circuit 524 are disposed between the signal receiving antenna 521 and the second protocol conversion chip U2;
the resonant circuit 522 includes a resistor R1, an inductor L1, and a capacitor C1, one end of the resistor R1 is connected to the signal receiving antenna 521, the other end of the resistor R1 is connected to one end of the inductor L1, the other end of the inductor L1 is connected to one end of the capacitor C1, and the other end of the capacitor C1 is connected to the pin 1 of the second protocol conversion chip U2. The resistor R1, the inductor L1 and the capacitor C1 constitute an RLC impedance circuit which improves the stability of the received signal.
The resonant circuit 522 is connected with a filter circuit 523, the filter circuit 523 comprises a capacitor C2 and a capacitor C3, the positive electrode of the capacitor C2 is connected with one end of a resistor R1 and an inductor L1, the positive electrode of the capacitor C3 is connected with one end of an inductor L1 and a capacitor C11, and the negative electrodes of the capacitor C2 and a capacitor C3 are connected and grounded. The filter circuit 523 formed by the capacitor C2 and the capacitor C3 connected in parallel can shield the external noise signals and prevent the interference to the circuit.
The voltage stabilizing circuit 524 is connected to the second protocol conversion chip U2, the voltage stabilizing circuit 524 includes a capacitor C4, a capacitor C5, a capacitor C6 and a capacitor C7, a pin 3 of the second protocol conversion chip U2 is connected to a power supply, anodes of the capacitor C4, the capacitor C5, the capacitor C6 and the capacitor C7 are connected between the pin 3 of the second protocol conversion chip U2 and the power supply, and cathodes of the capacitor C4, the capacitor C5, the capacitor C6 and the capacitor C7 are connected to ground. The stabilizing circuit 524 can reduce the occurrence of voltage spikes in the circuit.
As shown in fig. 5 and 6, the crystal oscillator circuit 525 is connected to the second protocol conversion chip U2, the crystal oscillator circuit 525 includes a crystal oscillator chip U3, a resistor R2, a resistor R3, the circuit comprises a capacitor C8 and a capacitor C9, a resistor R2 and a resistor R3 are connected in parallel, one end of the capacitor C8 is connected in series with a parallel circuit of the resistor R2 and the resistor R3, the other end of the capacitor C8 is grounded, a pin 1 of a single chip microcomputer U3 is connected between a capacitor C8 and a parallel circuit of the resistor R2 and the resistor R3, a pin 2 of the single chip microcomputer U3 is connected with the ground end of a capacitor C8 and grounded, one end of a resistor R2 is connected with a pin 15 of the single chip microcomputer U2, one end of a resistor R3 is connected with a pin 16 of the single chip microcomputer U2, a pin 3 of the single chip microcomputer U3 is connected between a resistor R2 and a pin 15 of the single chip microcomputer U2, a pin 4 of the single chip microcomputer U3 is grounded, one end of the capacitor C9 is connected between the resistor R2 and the pin 15 of the single chip microcomputer U2, and the other end of the pin 4 is connected with the ground end of the single chip microcomputer U3. The crystal oscillator circuit 525 may provide a basic clock signal for the second protocol conversion chip U2, which is beneficial to keep the parts of the protocol conversion circuit synchronized.
As shown in fig. 2 and 5, a pin 12 of the second protocol conversion chip U2 is connected to a pin 5 of the single chip microcomputer U4, encoded information of the second protocol conversion chip U2 is finally transmitted to the single chip microcomputer U4, and then the single chip microcomputer U4 sends various instructions based on the encoded information, wherein the MCU control module 2 transmits corresponding instructions to the MOS drive module 3, and the MOS drive module 3 performs drive control on the color temperature adjustment module 4, thereby completing regulation and control of the lamp.
As shown in fig. 2 and 7, the over-temperature protection circuit 22 is connected to the single chip microcomputer U4, the over-temperature protection circuit 22 includes a resistor R8, a resistor R9, a resistor R10 and a resistor R11, the resistor R8 and a resistor R9 are connected in series, one end of the resistor R8 is connected to the power supply, one end of the resistor R9 is grounded, the resistor R10 and the resistor R11 are connected in series, one end of the resistor R10 is connected between the power supply and the resistor R8, one end of the resistor R11 is grounded, the pin 19 of the single chip microcomputer U4 is connected between the resistor R8 and the resistor R9, and the pin 20 of the single chip microcomputer U4 is connected between the resistor R10 and the resistor R11. Two paths of the resistor R8, the resistor R9, the resistor R10 and the resistor R11 are respectively provided with a common series thermistor, and the purpose is to detect real-time temperature by detecting voltage change.
As shown in fig. 8, the power-on reset circuit 23 is connected to the single chip microcomputer U4, the power-on reset circuit 23 includes a resistor R12, a capacitor C10 and a diode D1, the resistor R12 is connected in series with the capacitor C10, one end of the resistor R12 is connected to a power supply, one end of the capacitor C10 is grounded, one end of the diode D1 is connected between the resistor R12 and the power supply, the other end of the diode D1 is connected to a ground terminal of the capacitor C10, and the pin 4 of the single chip microcomputer U4 is connected to a ground terminal of the capacitor C10. When the single chip microcomputer U4 is at a high level, the system works normally, and when the single chip microcomputer U4 is at a low level, the power-on reset circuit triggers resetting.
As shown in fig. 9, an overcurrent protection circuit 6 is arranged between the color temperature adjusting module 4 and the single chip microcomputer chip U4, and the overcurrent protection circuit 6 includes a single chip microcomputer U5, a voltage protection circuit 61 and a detection circuit 62;
the voltage protection circuit 61 comprises a resistor R13, a capacitor C11, a capacitor C12, a capacitor C13 and a capacitor C14, one end of the resistor R13 is connected with a pin 3 of the single chip microcomputer U5, the other end of the resistor R13 is connected with a power supply, one ends of the capacitor C11 and a capacitor C12 are connected between the resistor R13 and the power supply, the other ends of the capacitor C11 and the capacitor C12 are grounded, one ends of the capacitor C13 and the capacitor C14 are connected between the resistor R13 and the pin 3 of the single chip microcomputer U5, and the other ends of the capacitor C13 and the capacitor C14 are connected with grounded ends of a capacitor C11 and a capacitor C12 and grounded. The voltage protection circuit 61 can reduce the occurrence of sudden changes in circuit voltage.
The detection circuit 62 comprises a resistor R14 and a capacitor C15, one end of the resistor R14 is connected with a pin 4 of the single chip microcomputer U5, the other end of the resistor R14 is connected with a power supply, one end of the capacitor C15 is connected between a pin 4 of the resistor R14 and the pin 4 of the single chip microcomputer U5, the other end of the capacitor C15 is connected with a pin 5 of the single chip microcomputer U5, and the anode of the lamp is connected between the pin 5 of the capacitor C15 and the pin 5 of the single chip microcomputer U5. The detection circuit 62 may detect a difference between the lamp and the power supply voltage and feed back the detected voltage signal to the one-chip microcomputer U4 for adjustment.
As shown in fig. 4 and fig. 10, the embodiment of the present application discloses a lamp controller, the lamp controller includes a control board 7, a signal transmitting unit 51 is disposed in the control board 7, the control board 7 includes a brightness reduction rough adjusting key 71, a brightness increase rough adjusting key 72, and a brightness quick adjusting key 73, the brightness reduction rough adjusting key 71, the brightness increase rough adjusting key 72, and the brightness quick adjusting key 73 are connected to an encoding key 512 in a one-to-one correspondence manner, and the code matching manner includes: within 10 seconds after the signal receiving unit 52 receives the terminal power-on, the brightness reduction rough adjusting key 71 and the brightness increase rough adjusting key 72 are simultaneously pressed for more than 3 seconds, the status lamp flickers, code matching is started, the status lamp is normally on, code matching is completed, the key is released, and code matching cannot be performed when the signal receiving unit 52 receives the terminal power-on for more than 10 seconds, so that a plurality of controllers can control one receiving end remotely in sequence; the receiving terminal can check codes at any time after being electrified, the brightness reduction rough adjusting key 71 and the brightness increase rough adjusting key 72 are pressed for more than 3 seconds at the same time, the status lamp flickers, the code checking is started, the status lamp is normally on, the code checking is finished, the keys are released, and the controller is sequentially finished to remotely control a plurality of receiving terminals; when the codes are matched one by one, the receiving terminal which does not need to be matched is powered off, and only the receiving terminal which needs to be matched is powered on. And (3) code clearing mode: the code clearing can be carried out at any time after the receiving terminal is powered on, the brightness reduction rough adjusting key 71, the brightness increase rough adjusting key 72 and the brightness quick adjusting key 73 are simultaneously pressed to start code clearing, the status lamp is turned off after the status lamp flickers for about 5 seconds, the code clearing is completed, and the key is released, so that the control system is conveniently controlled, and one-to-many and many-to-one control of the wireless transmitting end and the wireless receiving end is realized.
To sum up, the working principle of the present application is that within 10 seconds of powering on the receiving terminal of the signal receiving unit 52, the brightness reduction rough adjusting key 71 and the brightness increase rough adjusting key 72 are pressed simultaneously, the coding key 512 further controls the first protocol conversion chip U1 to perform modulation coding, the signal transmitting antenna 511 sends out a modulation coded signal, the signal receiving antenna 521 receives the modulated coded signal and sends the modulated coded signal to the second protocol conversion chip U2, the second protocol conversion chip U2 demodulates the modulated coded signal and restores the demodulated coded signal into coding information, and then the coding information is transmitted to the single chip U4, the single chip U4 sends out various instructions based on the coding information, and the MOS driving module 3 completes control of the lamp based on the instructions sent by the single chip U4 and through the color temperature adjusting module 4.
Claims (10)
1. A lamp control circuit, comprising:
the device comprises a DC-DC conversion module (1), an MCU control module (2), an MOS drive module (3) and a color temperature adjusting module (4) which are connected in sequence;
the MCU control module (2) is connected with an information transceiving module (5), and the information transceiving module (5) comprises a signal transmitting unit (51) and a signal receiving unit (52);
the signal transmitting unit (51) comprises a signal transmitting component (511), a first protocol conversion chip U1 and an encoding key (512), wherein the signal transmitting component (511) is connected with the first protocol conversion chip U1, and the first protocol conversion chip U1 is connected with the encoding key (512);
the signal receiving unit (52) comprises a signal receiving component (521) and a second protocol conversion chip U2 matched with the first protocol conversion chip U1, the signal receiving component (521) is connected with the second protocol conversion chip U2, and a pin 3 of the second protocol conversion chip U2 is connected with a power supply.
2. The lamp control circuit of claim 1, wherein: a resonance circuit (522) is arranged between the signal receiving component (521) and the second protocol conversion chip U2;
the resonant circuit (522) comprises a resistor R1, an inductor L1 and a capacitor C1 which are sequentially connected in series, one end of the resistor R1 is connected with the signal receiving part (521), and the other end of the capacitor C1 is connected with a pin 1 of the second protocol conversion chip U2.
3. The lamp control circuit of claim 2, wherein: the resonance circuit (522) is connected with a useful filter circuit (523);
the filter circuit (523) comprises a capacitor C2 and a capacitor C3 which are connected in parallel, the positive pole of the capacitor C2 is connected with one end of the resistor R1 and one end of the inductor L1 respectively, the positive pole of the capacitor C3 is connected with one end of the inductor L1 and one end of the capacitor C1 respectively, and the negative pole of the capacitor C2 and the negative pole of the capacitor C3 are connected and grounded.
4. The lamp control circuit of claim 1, wherein: the second protocol conversion chip U2 is connected with a voltage stabilizing circuit (524);
the voltage stabilizing circuit (524) comprises a capacitor C4, a capacitor C5, a capacitor C6 and a capacitor C7 which are connected in parallel, the positive electrodes of the capacitor C4, the capacitor C5, the capacitor C6 and the capacitor C7 are connected with the second protocol conversion chip U2 and a power supply, and the negative electrodes of the capacitor C4, the capacitor C5, the capacitor C6 and the capacitor C7 are all grounded.
5. The lamp control circuit of claim 1, wherein: the second protocol conversion chip U2 is connected with a crystal oscillator circuit (525);
the crystal oscillator circuit (525) comprises a singlechip U3, a resistor R2, a resistor R3, a capacitor C8 and a capacitor C9, the resistor R2 and the resistor R3 are connected in parallel, one end of the capacitor C8 is connected in series with the parallel circuit of the resistor R2 and the resistor R3, the other end of the capacitor C8 is grounded, the pin 1 of the singlechip U3 is connected between the capacitor C8 and the parallel circuit of the resistor R2 and the resistor R3, pin 2 of the singlechip U3 is connected with the grounding end of the capacitor C8 and grounded, one end of the resistor R2 is connected with pin 15 of the singlechip U2, one end of the resistor R3 is connected with a pin 16 of the singlechip U2, a pin 3 of the singlechip U3 is connected between the resistor R2 and a pin 15 of the singlechip U2, the pin 4 of the singlechip U3 is grounded, one end of the capacitor C9 is connected between the resistor R2 and the pin 15 of the singlechip U2, and the other end of the capacitor C9 is connected with the ground terminal of the pin 4 of the singlechip U3.
6. The lamp control circuit of claim 1, wherein: the MCU control module (2) comprises a singlechip U4 and a signal voltage stabilizing circuit (21);
the signal voltage stabilizing circuit (21) comprises a resistor R4, a resistor R5, a resistor R6 and a resistor R7, one end of the resistor R4 is connected with a pin 2 of the single chip microcomputer U4, one end of the resistor R5 is connected with a pin 3 of the single chip microcomputer U4, the resistor R6 is connected with a pin 5 of the single chip microcomputer U4, and one end of the resistor R7 is connected with a pin 8 of the single chip microcomputer U4.
7. The lamp control circuit of claim 6, wherein: the single chip microcomputer U4 is connected with an over-temperature protection circuit (22);
the over-temperature protection circuit (22) comprises a resistor R8, a resistor R9, a resistor R10 and a resistor R11, wherein the resistor R8 and the resistor R9 are connected in series, one end of the resistor R8 is connected with a power supply, one end of the resistor R9 is grounded, the resistor R10 is connected with the resistor R11 in series, one end of the resistor R10 is connected between the power supply and the resistor R8, one end of the resistor R11 is grounded, a pin 19 of the single chip U4 is connected between the resistor R8 and the resistor R9, and a pin 20 of the single chip U4 is connected between the resistor R10 and the resistor R11.
8. The lamp control circuit of claim 6, wherein: the single chip microcomputer U4 is connected with a power-on reset circuit (23) for resetting signals;
the power-on reset circuit (23) comprises a resistor R12, a capacitor C10 and a diode D1, wherein the resistor R12 is connected with the capacitor C10 in series, one end of the resistor R12 is connected with a power supply, one end of the capacitor C10 is grounded, one end of the diode D1 is connected between the resistor R12 and the power supply, the other end of the diode D1 is connected with the ground end of the capacitor C10, and the pin 4 of the single chip microcomputer U4 is connected with the ground end of the capacitor C10.
9. The lamp control circuit of claim 1, wherein: an overcurrent protection circuit (6) is arranged between the color temperature adjusting module (4) and the single chip microcomputer chip U4;
the overcurrent protection circuit (6) comprises a single chip microcomputer U5, a voltage protection circuit (61) and a detection circuit (62), and a pin 1 and a pin 2 of the single chip microcomputer U5 are connected and grounded;
the voltage protection circuit (61) comprises a resistor R13, a capacitor C11, a capacitor C12, a capacitor C13 and a capacitor C14, one end of the resistor R13 is connected with a pin 3 of the singlechip U5, the other end of the resistor R13 is connected with a power supply, one ends of the capacitor C11 and a capacitor C12 are connected between the resistor R13 and the power supply, the other ends of the capacitor C11 and the capacitor C12 are grounded, one ends of the capacitor C13 and the capacitor C14 are connected between the resistor R13 and the pin 3 of the singlechip U5, and the other ends of the capacitor C13 and the capacitor C14 are connected with grounded ends of the capacitor C11 and the capacitor C12 and grounded;
the detection circuit (62) comprises a resistor R14 and a capacitor C15, one end of the resistor R14 is connected with a pin 4 of the single chip microcomputer U5, the other end of the resistor R14 is connected with a power supply, one end of the capacitor C15 is connected between the resistor R14 and the pin 4 of the single chip microcomputer U5, the other end of the capacitor C15 is connected with a pin 5 of the single chip microcomputer U5, and the anode of the lamp is connected between the capacitor C15 and the pin 5 of the single chip microcomputer U5.
10. A luminaire controller, characterized by: comprising a control board (7), said control board (7) being provided with a signal emitting unit (51) according to claims 1-9;
the control panel (7) comprises a brightness reduction rough adjusting key (71), a brightness increase rough adjusting key (72) and a brightness quick adjusting key (73), and the brightness reduction rough adjusting key (71), the brightness increase rough adjusting key (72) and the brightness quick adjusting key (73) are correspondingly connected with the coding key (513).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111399539.5A CN114173460A (en) | 2021-11-19 | 2021-11-19 | Lamp control circuit and controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111399539.5A CN114173460A (en) | 2021-11-19 | 2021-11-19 | Lamp control circuit and controller |
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| CN114173460A true CN114173460A (en) | 2022-03-11 |
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