CN113329544A - Lamp control circuit - Google Patents

Lamp control circuit Download PDF

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Publication number
CN113329544A
CN113329544A CN202110577360.8A CN202110577360A CN113329544A CN 113329544 A CN113329544 A CN 113329544A CN 202110577360 A CN202110577360 A CN 202110577360A CN 113329544 A CN113329544 A CN 113329544A
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China
Prior art keywords
module
signal
control
power supply
sub
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Granted
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CN202110577360.8A
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Chinese (zh)
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CN113329544B (en
Inventor
黎国权
张国宝
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Opple Lighting Co Ltd
Suzhou Op Lighting Co Ltd
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Opple Lighting Co Ltd
Suzhou Op Lighting Co Ltd
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Priority to CN202110577360.8A priority Critical patent/CN113329544B/en
Priority claimed from CN202110577360.8A external-priority patent/CN113329544B/en
Publication of CN113329544A publication Critical patent/CN113329544A/en
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Publication of CN113329544B publication Critical patent/CN113329544B/en
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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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/34—Voltage stabilisation; Maintaining constant voltage
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/345—Current stabilisation; Maintaining constant current
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/355—Power factor correction [PFC]; Reactive power compensation
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
    • 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
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The invention discloses a lamp control circuit, which is used for solving the problem of excessive connecting wires in a lamp. The scheme provided by the application comprises the following steps: the control module comprises a signal control submodule and a first power supply submodule; at least one light module, the light module includes a signal processing sub-module, a second power sub-module and at least one light emitting source. The signal processing submodule in the light emitting module can control the at least one light emitting source to emit light according to the reference ground, the high level and the received high and low level signals, a ground wire does not need to be connected between the control module and the light emitting module, and the number of the connecting wires between the control module and the light emitting module is effectively reduced.

Description

Lamp control circuit
Technical Field
The invention relates to the field of illumination, in particular to a lamp control circuit.
Background
In the field of lighting, ceiling lamps can provide a lighting function for indoor environments. As shown in fig. 1, a lamp arm is often provided between each lamp head of the ceiling lamp and the power supply in the ceiling box. The lamp arm can fix the position of each lamp holder, so that each lamp holder is stable in position relative to a ceiling and plays a role in fixing. In addition, the elongated lamp arm also has a good decorative effect.
In the existing ceiling lamp, more electric wires are often required to be arranged between the lamp cap and the ceiling box to realize energy supply and light regulation and control of the lamp cap. This just makes the power consumption material of inhaling top box department many, and the lamp arm is thick, and ceiling lamp is whole great, is unfavorable for optimizing the outward appearance of ceiling lamp.
How to reduce the electric wire quantity of connecting in the lamps and lanterns is the technical problem that this application will solve.
Disclosure of Invention
An object of the embodiments of the present application is to provide a lamp control circuit, so as to solve the problem of excessive number of wires in a lamp.
In a first aspect, a luminaire control circuit is provided, comprising:
the control module comprises a signal control submodule and a first power supply submodule;
the input end of the first power supply sub-module is connected with a power line, and the output end of the first power supply sub-module is connected with the signal control sub-module and used for supplying power to the signal control sub-module;
the input end of the signal control submodule is connected with the power line, and the output end of the signal control submodule is connected with at least one light-emitting module through a signal line and used for transmitting high and low level signals to the at least one light-emitting module by controlling the signal in the signal line to be switched on or switched off;
at least one light emitting module comprising a signal processing sub-module, a second power supply sub-module and at least one light emitting source;
the input end of the second power supply sub-module is connected with a power line, the first output end of the second power supply sub-module is connected with the signal processing sub-module as a reference ground, the second output end of the second power supply sub-module is connected with the signal processing sub-module as a high level, and the second output end of the second power supply sub-module is connected with at least one light emitting source and used for supplying power to the at least one light emitting source;
the input end of the signal processing submodule is connected with the output end of the signal control submodule through the signal wire, and the output end of the signal processing submodule is connected with the at least one luminous source and used for controlling the at least one luminous source to emit light according to the reference ground, the high level and the received high-low level signal.
In the embodiment of the application, the lamp control circuit comprises a control module, a first power supply module and a second power supply module, wherein the control module comprises a signal control sub-module and a first power supply sub-module; the input end of the first power supply sub-module is connected with a power line, and the output end of the first power supply sub-module is connected with the signal control sub-module and used for supplying power to the signal control sub-module; the input end of the signal control submodule is connected with the power line, and the output end of the signal control submodule is connected with at least one light-emitting module through a signal line and used for transmitting high and low level signals to the at least one light-emitting module by controlling the signal in the signal line to be switched on or switched off; at least one light emitting module comprising a signal processing sub-module, a second power supply sub-module and at least one light emitting source; the input end of the second power supply sub-module is connected with a power line, the first output end of the second power supply sub-module is connected with the signal processing sub-module as a reference ground, the second output end of the second power supply sub-module is connected with the signal processing sub-module as a high level, and the second output end of the second power supply sub-module is connected with at least one light emitting source and used for supplying power to the at least one light emitting source; the input end of the signal processing submodule is connected with the output end of the signal control submodule through the signal wire, and the output end of the signal processing submodule is connected with the at least one luminous source and used for controlling the at least one luminous source to emit light according to the reference ground, the high level and the received high-low level signal. The signal processing submodule in the light emitting module can control the at least one light emitting source to emit light according to the reference ground, the high level and the received high and low level signals, a ground wire does not need to be connected between the control module and the light emitting module, and the number of the connecting wires between the control module and the light emitting module is effectively reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a ceiling lamp.
Fig. 2 is a schematic structural diagram of a lamp control circuit according to an embodiment of the present disclosure.
Fig. 3 is a second schematic structural diagram of a lamp control circuit according to an embodiment of the present disclosure.
Fig. 4 is a third schematic structural diagram of a lamp control circuit according to an embodiment of the present disclosure.
Fig. 5 is a fourth schematic structural diagram of a lamp control circuit according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The reference numbers in the present application are only used for distinguishing the steps in the scheme and are not used for limiting the execution sequence of the steps, and the specific execution sequence is described in the specification.
In order to solve the problems existing in the prior art, an embodiment of the present application provides a lamp control circuit, as shown in fig. 3, including:
the control module 11 comprises a signal control submodule 111 and a first power supply submodule 112;
the input end of the first power supply sub-module 112 is connected with a power line, and the output end of the first power supply sub-module 112 is connected with the signal control sub-module 111, and is used for supplying power to the signal control sub-module 111;
the input end of the signal control sub-module 111 is connected to the power line, and the output end of the signal control sub-module 111 is connected to at least one light emitting module 12 through a signal line, and is configured to transmit a high-low level signal to the at least one light emitting module 12 by controlling the signal in the signal line to be turned on or off;
at least one lighting module 12, said lighting module 12 comprising a signal processing sub-module 121, a second power supply sub-module 122 and at least one light emitting source 123;
the input end of the second power supply sub-module 122 is connected to a power line, the first output end of the second power supply sub-module 122 is connected to the signal processing sub-module 121 as a reference ground, the second output end of the second power supply sub-module 122 is connected to the signal processing sub-module 121 as a high level, and the second output end of the second power supply sub-module 122 is connected to at least one light emitting source 123 for supplying power to the at least one light emitting source 123;
the signal processing sub-module 121 is shown as a signal processing circuit in fig. 3, and an input terminal thereof is connected to an output terminal of the signal control sub-module 111 through the signal line, and an output terminal of the signal processing sub-module 121 is connected to the at least one light emitting source 123, for controlling the at least one light emitting source 123 to emit light according to the reference ground, the high level and the received high-low level signal.
According to the scheme provided by the embodiment of the application, the control of the light emitting module can be realized only by one connecting wire for transmitting high and low level signals between the control module and the light emitting module, the signal processing submodule in the light emitting module can control the at least one light emitting source to execute light emitting according to the reference ground, the high level and the received high and low level signals, a ground wire does not need to be connected between the control module and the light emitting module, and the number of the connecting wires between the control module and the light emitting module is effectively reduced.
Based on the circuit provided in the foregoing embodiment, optionally, referring to fig. 3, the first power supply sub-module 112 includes a first rectifier bridge, a first input end of the first rectifier bridge is connected to the live line L in the power line, a second input end of the first rectifier bridge is connected to the neutral line N in the power line, a first output end of the first rectifier bridge is connected to the signal control sub-module as a low level, and a second output end of the first rectifier bridge is connected to the signal control sub-module as a high level.
The first rectifier bridge in the control module 11 may include four diodes, shown in FIG. 3 as D1-D4. The first rectifier bridge comprises four leading-out ends, wherein a first input end of the first rectifier bridge is connected with a live wire, a second input end of the first rectifier bridge is connected with a zero wire, and a first output end and a second output end of the first rectifier bridge are connected to the signal control circuit. And a capacitor can be connected between the first output end and the second output end for stabilizing the output voltage.
The second power supply submodule comprises a second rectifier bridge, a first input end of the second rectifier bridge is connected with a live wire in the power line, a second input end of the second rectifier bridge is connected with a zero wire in the power line, a first output end of the second rectifier bridge serves as a high level and is connected with the signal processing submodule, and a second output end of the second rectifier bridge serves as a reference ground and is connected with the signal processing submodule.
The second rectifier bridge in the light module 12, which may be identical to the first rectifier bridge, may include four diodes, shown as D1-D4 in fig. 3. The second rectifier bridge comprises four leading-out ends, a first input end of the second rectifier bridge is connected with the live wire, a second input end of the second rectifier bridge is connected with the zero wire, a first output end of the second rectifier bridge is connected to the input end of the at least one luminous source and the signal processing circuit, and a second output end of the second rectifier bridge is connected to the reference ground. A capacitor may be connected between the first output terminal and the second output terminal of the second rectifier bridge for stabilizing the output voltage.
According to the scheme provided by the embodiment of the application, the control module and the light-emitting module respectively perform rectification on electric energy accessed by a power line through the rectifier bridge so as to convert alternating current into direct current and supply power to the signal control submodule, the signal processing submodule and other modules.
Based on the circuit provided in the foregoing embodiment, optionally, referring to fig. 3, the signal control sub-module 111 includes an optical coupler GA, an input end of the optical coupler GA is connected to the live line L in the power line through a first diode D5, an input end of the optical coupler GA is connected to the neutral line N in the power line through a second diode D6, and an output end of the optical coupler GA is connected to the at least one light emitting module 12 through the signal line.
The signal control circuit is connected with the control end of the optical coupler and used for controlling the optical coupler to be switched on or switched off. The signal control circuit can carry out signal coding by controlling the on or off of the optical coupler, thereby realizing the control of the light-emitting module.
The input end of the optical coupler is connected with the live wire through a first diode D5, the input end of the optical coupler is connected with the zero wire through a second diode D6, and the output end of the optical coupler is connected with at least one light-emitting module and used for controlling the at least one light-emitting control module to emit light. As shown in fig. 3, the optical coupler may specifically include a light emitting source and a light receiving device, wherein an input end of the light emitting source extends out of the optical coupler and is connected to a power source VCC, and the other end of the light emitting source is grounded through a triode. The signal processing control circuit is used for controlling whether the triode is conducted or not so as to control whether the light emitting source in the optical coupler emits light or not.
The light receptor in the optocoupler is a photosensitive device whose conductivity changes as the light emitting source emits light. Therefore, in the control module of the circuit provided in the embodiment of the present application, the signal control circuit controls the light emitting source in the optical coupler to emit light, so as to convert the electrical signal into the optical signal. And the light receiver in the optical coupler receives the light signal and converts the light signal into an electric signal, and the electric signal is transmitted to the light-emitting module to realize the light-emitting control of the lamp.
Through the optical coupler in the scheme provided by the embodiment of the application, the signal control circuit can be transmitted to the light-emitting module in a high-low level signal mode, so that the light-emitting control of the light-emitting module by the control module is realized. In practical applications, other electronic devices may be used to generate the high-low level signals, instead of the optical coupler in this embodiment to generate and transmit the high-low level signals.
Based on the circuit provided in the foregoing embodiment, optionally, as shown in fig. 4, the light emitting module 12 further includes a current-limiting voltage stabilizing module 124, an input end of the current-limiting voltage stabilizing module 124 is connected to an output end of the signal control sub-module 111 through the signal line, and an output end of the current-limiting voltage stabilizing module 124 is connected to an input end of the signal processing sub-module 121.
The current-limiting voltage-stabilizing module can be used for receiving a control signal sent by an optical coupler of the control module, improving the quality of the received control signal through current-limiting voltage stabilization, analyzing the optimized control signal by a signal processing circuit in the light-emitting module, and controlling at least one light-emitting source in the light-emitting module to emit light by the signal processing circuit according to an analysis result.
Through the circuit provided by the embodiment of the application, the control of the control module on at least one light-emitting module can be realized. Specifically, the on/off, the luminance, the color temperature, and the like of the light emitting module can be controlled. A rectifier bridge is formed by the D5 and the D6 in the control module and the D1 and the D4 in the light-emitting module, and the rectified direct current is referenced to the ground of the light-emitting module. Then, the signal processing submodule of the light emitting module can decode according to a corresponding protocol and output a control signal to control the light emitting source. Therefore, the control module is connected with the light-emitting module only by three leads, namely a live wire, a zero wire and a signal wire. In practical application, usually by lamp arm connection control module and light emitting module, the circuit that this application embodiment provided can reduce the line quantity that sets up in the lamp arm, is favorable to optimizing the lamp arm outward appearance, also can reduce the production and processing degree of difficulty, is favorable to automatically controlled platformization. In addition, the circuit structure in the control module is relatively simple, and when the control module is applied to the ceiling lamp, the size of the control box of the ceiling part is favorably reduced, and the appearance of the ceiling lamp is favorably further optimized.
Based on the circuit provided in the foregoing embodiment, optionally, referring to fig. 4, the current-limiting voltage regulation module 124 includes a zener diode Z1, a load resistor R3, and at least one current-limiting resistor, where the current-limiting resistor includes R1 and R2 in this embodiment. The voltage stabilizing diode is connected between the output end of the optical coupler and the reference ground, the load resistor is connected to two ends of the voltage stabilizing diode in parallel, and the at least one current limiting resistor is connected between the voltage stabilizing diode and the output end of the optical coupler in series. In the circuit provided by the embodiment of the application, the current-limiting voltage-stabilizing module can effectively execute current-limiting voltage stabilization on the signal transmitted by the control module end, optimize the signal quality and improve the control effect on the light-emitting source.
Based on the circuit provided in the foregoing embodiment, optionally, referring to fig. 4, the at least one light emitting module 12 further includes a constant current circuit, a first end of the constant current circuit is connected to the at least one light emitting source 123, a second end of the constant current circuit is connected to the signal processing sub-module 121, and a third end of the constant current circuit is connected to the reference ground, and is configured to control the at least one light emitting source 123 to emit light according to a signal output by the signal processing sub-module 121.
The constant current circuit provided by the embodiment of the application can adjust the light of the light emitting source under the control of the signal processing submodule. The method specifically comprises the step of adjusting the brightness, the color temperature and the like of the luminous source so as to optimize the luminous effect of the lamp. One or more constant current circuits may be included in any one of the light emitting modules, wherein the constant current circuits may be connected in series with one or more light emitting sources. In fig. 4, the light emitting module includes 2 constant current circuits, each of which is connected in series with a plurality of light emitting sources, and the constant current circuit can perform dimming on the plurality of light emitting sources connected in series.
Based on the solution provided in the foregoing embodiment, optionally, the control module further includes a wireless control module connected to the signal control sub-module, and configured to send the received wireless control signal to the signal control sub-module;
the signal control submodule is used for controlling the signal in the signal line to be switched on or switched off according to the wireless control signal so as to transmit high and low level signals to the at least one light-emitting module.
In the circuit provided in the embodiment of the present application, the control module and the light emitting module need to be controlled by connecting wires, and in order to reduce the number of wires connected therebetween as much as possible, referring to fig. 4, a loop is formed by L → D5 of the control module → GA of the control module → R1 of the light emitting module → R2 of the light emitting module → R3 of the light emitting module → reference ground of the light emitting module → D4 of the light emitting module → N; n → D6 of the control module → GA of the control module → R1 of the light module → R2 of the light module → R3 of the light module → the ground of reference of the light module → D1 of the light module → L forms a loop. The control signal is subjected to current limiting and voltage stabilizing through R1, R2 and Z1, stable direct current low voltage is obtained at two ends of R3, and then the control signal is transmitted by controlling the on or off of the loop. Through experimental tests, if the GA is controlled to be switched on and off at a frequency of about 3K, when the GA is switched on, the two ends of R3 are at a high level; both ends of R3 are low when GA is on.
As shown in fig. 5, the signal control sub-module includes a wireless control module for controlling the at least one light emission control module to perform light emission according to the received wireless control signal. In the embodiment of the application, the wireless control module is connected to the input signal sampling circuit in the signal control submodule and the light source output end of the optical coupler. When the wireless optical coupler operates, the wireless control module can control whether the light emitting source of the optical coupler is grounded according to the received wireless signal so as to control whether the light emitting source emits light, and then the light receiver of the optical coupler controls the light emitting module to emit light according to the optical signal.
The wireless control module may be specifically configured to receive and transmit wireless signals such as WIFI, bluetooth, Near Field Communication (NFC), and the like. The wireless control module can communicate with the remote control equipment through receiving and sending wireless signals so as to control the lamp to emit light according to instructions issued by the remote control equipment. Or, the information such as the running state of the lamp can be reported to the remote control device. The wireless control module and the remote control device can be directly connected through the wireless signal or indirectly connected through a router or other electronic devices.
Through the scheme provided by the embodiment of the application, the flexibility of controlling the light emitting of the lamp can be improved. In practical application, the lamp can be controlled to be turned on or turned off or dimmed through a wireless signal through a special remote controller, a mobile phone, a smart watch or other electronic equipment, and the use experience is optimized.
Based on the solution provided in the foregoing embodiment, optionally, the control module further includes a light detection module in communication connection with the wireless control module, and the wireless control module is configured to send a wireless control signal to the signal control sub-module according to the ambient light information acquired by the light detection module.
The light detection module may include a light sensing device for detecting ambient light of an environment where the lamp is located. Specifically, the brightness and the color temperature of the ambient light can be detected, and the detected ambient light information can be used for auxiliary dimming of the light emitting module, so that the light emitted by the light emitting module meets the environmental requirements, and the lighting effect is optimized.
Based on the circuit provided in the foregoing embodiment, optionally, as shown in fig. 5, the circuit further includes:
a fan, a fan Motor, and a fan power supply, the fan Motor being shown in fig. 5 as a Motor drive + Motor Control Unit (MCU), and the fan power supply being shown in fig. 5 as a 24V 1.5A constant voltage power supply. In addition, fig. 5 also shows the first power supply sub-module 112, the signal control sub-module 111 in the control module 11, and the second power supply sub-module 122, the signal processing sub-module 121 and the light emitting source 123 in the light emitting module 12.
The input end of the fan power supply is connected with the first output end and the second output end of the first rectifier bridge, the output end of the fan power supply is connected with the fan through the fan motor, the fan motor is connected with the wireless control module and used for controlling the motor to operate according to a signal output by the wireless control module so as to drive the fan to rotate.
Through the scheme that this application embodiment provided, can combine fan and lamps and lanterns, the circuit can be for fan and light emitting module power supply simultaneously, realizes cooling and illumination function. Optionally, the fan and the light emitting module may be configured as an integrated fan lamp structure. The light emitting module can be arranged in the center of the fan and used for achieving the lighting function, and fan blades of the fan can be arranged around the light emitting module.
Optionally, the fan can be connected with the light emitting module through a detachable structure, so that replacement can be conveniently carried out as required.
Based on the circuit provided in the foregoing embodiment, optionally, as shown in fig. 5, the control module further includes a temperature detection module in communication connection with the wireless control module, and the wireless control module is configured to control the motor to operate according to the ambient temperature information acquired by the temperature detection module, so as to drive the fan to rotate.
Wherein, the temperature detection module specifically can include temperature detect probe, and this temperature detect probe is used for detecting the temperature of lamps and lanterns place environment, and the ambient temperature information that obtains of detection can the auxiliary control fan switch. For example, when the ambient temperature information indicates that the temperature of the environment where the lamp is located is higher than the preset temperature, the fan is controlled to rotate, so as to achieve the purpose of cooling. Alternatively, the fan speed may be controlled according to the ambient temperature indicated by the ambient temperature information. For example, when the temperature is higher than the first preset temperature and lower than the second preset temperature, the fan is controlled to rotate at a first rotation speed, and when the temperature is not lower than the second preset temperature, the fan is controlled to rotate at a second rotation speed, wherein the second rotation speed is higher than the first rotation speed.
In addition, the ambient temperature information acquired by the temperature detection module can also be used for assisting in controlling the light emitting module to emit light. For example, when the temperature is high, the color temperature of the light emitting source can be controlled to emit cold color light, so that people can visually cool down, and the feeling of people in the environment is optimized.
Based on the solution provided in the foregoing embodiment, optionally, the control module further includes a first low-voltage power supply, and an input end of the first low-voltage power supply is connected to the first output end of the first rectifier bridge, and is configured to provide low-voltage power to at least one of the following modules: fan motor, wireless control module, optical coupler.
The power output by the low-voltage power supply in the circuit shown in fig. 5 includes two types, namely 5V and 3.3V, and can be used for supplying power to the fan motor, the wireless control module and the optocoupler. In this embodiment, the 3.3V power output by the low voltage power supply can be used to power the light source in the optocoupler, the 5V power can be used to power the motor driving module or the motor control unit, and the 3.3V power can be used to power the wireless control module.
Based on the circuit provided in the above embodiment, optionally, the at least one light emitting module further includes a second low voltage power supply, and an input terminal of the second low voltage power supply is connected to the first output terminal of the second rectifier bridge, and is configured to provide low voltage power to the signal processing sub-module.
As shown in fig. 5, the light emitting module includes a second low voltage power supply, which can convert the electric energy output by the rectifier bridge into low voltage electric energy for supplying power to the power utilization module. In this embodiment, power may be supplied to the motor control unit in the light module.
Based on the solution provided by the foregoing embodiment, optionally, as shown in fig. 5, the circuit provided by the embodiment of the present application further includes an active power factor correction module, where the active power factor correction module is connected between the first output end and the second output end of the second rectifier bridge.
Above-mentioned Power Factor Correction (APFC) module can reduce the line loss, and the energy saving reaches the effect of optimizing electric energy quality for the light emitting source in the light emitting module provides stable electric energy.
Based on the solution provided by the above embodiment, the at least one light-emitting source includes a light-emitting diode. In practical application, the number of the light sources can be increased or decreased according to the actual light-emitting requirement of the lamp, and different types of light sources can be selected according to the requirement.
In addition, in the light emitting module 12, an input signal sampling circuit may be connected between the power supply line and the signal processing sub-module 121. As shown in fig. 5, the live wire in the power line is connected to the input end of the input signal sampling circuit through a diode D6, the neutral wire in the power line is connected to the input end of the input signal sampling circuit through a diode D5, and the output end of the input signal sampling circuit is connected to the signal processing submodule. In fig. 5, the signal processing sub-modules are shown as MCU modules. The input signal sampling circuit is used for sampling the signal and exporting the sampled signal to the signal processing submodule.
Two constant current circuits, a constant current circuit 1 and a constant current circuit 2, are included in the circuit shown in fig. 5. In practical application, the number of the constant current circuits can be increased or decreased according to the number of the light emitting sources and the connection relation.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (14)

1. A lamp control circuit, comprising:
the control module comprises a signal control submodule and a first power supply submodule;
the input end of the first power supply sub-module is connected with a power line, and the output end of the first power supply sub-module is connected with the signal control sub-module and used for supplying power to the signal control sub-module;
the input end of the signal control submodule is connected with the power line, and the output end of the signal control submodule is connected with at least one light-emitting module through a signal line and used for transmitting high and low level signals to the at least one light-emitting module by controlling the signal in the signal line to be switched on or switched off;
at least one light emitting module comprising a signal processing sub-module, a second power supply sub-module and at least one light emitting source;
the input end of the second power supply sub-module is connected with a power line, the first output end of the second power supply sub-module is connected with the signal processing sub-module as a reference ground, the second output end of the second power supply sub-module is connected with the signal processing sub-module as a high level, and the second output end of the second power supply sub-module is connected with at least one light emitting source and used for supplying power to the at least one light emitting source;
the input end of the signal processing submodule is connected with the output end of the signal control submodule through the signal wire, and the output end of the signal processing submodule is connected with the at least one luminous source and used for controlling the at least one luminous source to emit light according to the reference ground, the high level and the received high-low level signal.
2. The circuit of claim 1, wherein the first power supply submodule includes a first rectifier bridge, a first input terminal of the first rectifier bridge is connected to a live line in the power supply line, a second input terminal of the first rectifier bridge is connected to a neutral line in the power supply line, a first output terminal of the first rectifier bridge is connected to the signal control submodule as a low level, and a second output terminal of the first rectifier bridge is connected to the signal control submodule as a high level;
the second power supply submodule comprises a second rectifier bridge, a first input end of the second rectifier bridge is connected with a live wire in the power line, a second input end of the second rectifier bridge is connected with a zero wire in the power line, a first output end of the second rectifier bridge serves as a high level and is connected with the signal processing submodule, and a second output end of the second rectifier bridge serves as a reference ground and is connected with the signal processing submodule.
3. The circuit of claim 2, wherein the signal control sub-module comprises an optocoupler, an input of the optocoupler coupled to a hot line in the power line via a first diode, an input of the optocoupler coupled to a neutral line in the power line via a second diode, and an output of the optocoupler coupled to the at least one light emitting module via the signal line.
4. The circuit of claim 3, wherein the lighting module further comprises a current limiting and voltage stabilizing module, an input terminal of the current limiting and voltage stabilizing module is connected to an output terminal of the signal control sub-module through the signal line, and an output terminal of the current limiting and voltage stabilizing module is connected to an input terminal of the signal processing sub-module.
5. The circuit of claim 4, wherein the current-limiting regulator module comprises a zener diode connected between the optocoupler output and the reference ground, a load resistor connected in parallel across the zener diode, and at least one current-limiting resistor connected in series between the zener diode and the optocoupler output.
6. The circuit according to claim 5, wherein the at least one light emitting module further comprises a constant current circuit, a first terminal of the constant current circuit is connected to the at least one light emitting source, a second terminal of the constant current circuit is connected to the signal processing sub-module, and a third terminal of the constant current circuit is connected to the reference ground, and is configured to control the at least one light emitting source to emit light according to a signal output by the signal processing sub-module.
7. The circuit of claim 6, wherein said control module further comprises a wireless control module coupled to said signal control sub-module for transmitting received wireless control signals to said signal control sub-module;
the signal control submodule is used for controlling the signal in the signal line to be switched on or switched off according to the wireless control signal so as to transmit high and low level signals to the at least one light-emitting module.
8. The circuit of claim 7, wherein the control module further comprises a light detection module communicatively coupled to the wireless control module, the wireless control module configured to send a wireless control signal to the signal control sub-module based on the ambient light information obtained by the light detection module.
9. The circuit of claim 7, further comprising:
fan, fan motor and fan power supply, wherein, fan power supply's input with the first output and the second output of first rectifier bridge are connected, fan power supply's output passes through fan motor with the fan is connected, fan motor with wireless control module connects, is used for the basis signal control of wireless control module output the motor operation is in order to drive the fan is rotatory.
10. The circuit of claim 9, wherein said control module further comprises a temperature sensing module communicatively coupled to said wireless control module, said wireless control module configured to control operation of said motor to drive rotation of said fan based on ambient temperature information obtained by said temperature sensing module.
11. The circuit of claim 9, wherein the control module further comprises a first low voltage power supply, an input of the first low voltage power supply being connected to the first output of the first rectifier bridge for providing a low voltage power to at least one of: fan motor, wireless control module, optical coupler.
12. The circuit according to any one of claims 2 to 11, wherein the light emitting module further comprises a second low voltage power supply, an input terminal of the second low voltage power supply being connected to the first output terminal of the second rectifier bridge for providing a low voltage power to the signal processing sub-module.
13. The circuit of any of claims 2-11, further comprising an active power factor correction module connected between the first output terminal and the second output terminal of the second rectifier bridge.
14. The circuit of any of claims 1-11, wherein the at least one light-emitting source comprises a light-emitting diode.
CN202110577360.8A 2021-05-26 Lamp control circuit Active CN113329544B (en)

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CN113899062A (en) * 2021-10-14 2022-01-07 熊先辉 School toilet LED lighting and ventilation control circuit
CN114245535A (en) * 2021-11-29 2022-03-25 厦门普为光电科技有限公司 Illumination system with color temperature adjustable function
CN114531750A (en) * 2022-01-26 2022-05-24 广东顺德胜崎电子科技有限公司 Fan lamp controller and fan lamp
CN116249249A (en) * 2023-02-02 2023-06-09 浙江宇光照明科技有限公司 Intelligent fan lamp circuit

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CN113899062A (en) * 2021-10-14 2022-01-07 熊先辉 School toilet LED lighting and ventilation control circuit
CN114245535A (en) * 2021-11-29 2022-03-25 厦门普为光电科技有限公司 Illumination system with color temperature adjustable function
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CN114531750B (en) * 2022-01-26 2023-11-03 广东顺德胜崎电子科技有限公司 Fan lamp controller and fan lamp
CN116249249A (en) * 2023-02-02 2023-06-09 浙江宇光照明科技有限公司 Intelligent fan lamp circuit

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