CN113260109B - Dimming circuit and dimming device - Google Patents
Dimming circuit and dimming device Download PDFInfo
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- CN113260109B CN113260109B CN202110371327.XA CN202110371327A CN113260109B CN 113260109 B CN113260109 B CN 113260109B CN 202110371327 A CN202110371327 A CN 202110371327A CN 113260109 B CN113260109 B CN 113260109B
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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]
- H05B45/10—Controlling the intensity of the light
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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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- 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
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- Engineering & Computer Science (AREA)
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The application provides a dimmer circuit and dimming device, wherein the dimmer circuit includes: the wireless receiving and transmitting module is used for receiving a dimming command sent by the dimming terminal; the motor driving module is electrically connected with the wireless receiving and transmitting module and is used for analyzing and processing the dimming command and outputting a motor regulation and control signal; the motor is electrically connected with the motor driving module and is used for rotating according to the motor regulation and control signals; the first potentiometer is in transmission connection with the motor so that the motor rotates to drive the first potentiometer to rotate to adjust the resistance value of the first resistor of the first potentiometer; the first resistor is electrically connected with the load lamp so that the brightness of the load lamp changes along with the change of the resistance value of the first resistor. The problem that current mode of adjusting luminance can not realize remote control and adjust luminance has been solved to this application.
Description
Technical Field
The present disclosure relates to the field of power electronics, and in particular, to a dimming circuit and a dimming device.
Background
Currently, three common LED dimming methods exist in the market: 1. and (3) group regulation: grouping a plurality of LED lamp beads, and regulating and controlling by a simple grouping device; 2. analog signal 0-10V regulation: converting the analog signal into a digital signal, and adjusting the current according to the voltage amplitude of 0-10V; 3. wave width modulation (PWM): digitizing the square wave of the power supply, and controlling the current by adopting the duty ratio of the control square wave; the 1 st mode is an early energy-saving control mode, the control mode is simple, the construction wiring is troublesome, the cost is high, and the method is eliminated; the 2 nd and 3 rd methods can adopt adjustable resistance knobs for stepless control, are used in a large area, however, resistance dimming can only be controlled manually on site, and remote control dimming cannot be realized.
Disclosure of Invention
The embodiment of the application provides a dimming circuit and a dimming device, which solve the problem that the existing dimming mode cannot realize remote control dimming.
In a first aspect, there is provided a dimming circuit comprising:
the wireless transceiver module is used for receiving a dimming command sent by the dimming terminal;
the motor driving module is electrically connected with the wireless receiving and transmitting module and is used for analyzing and processing the dimming command and outputting a motor regulation and control signal;
the motor is electrically connected with the motor driving module and is used for rotating according to the motor regulation and control signal;
the first potentiometer is in transmission connection with the motor so that the motor rotates to drive the first potentiometer to rotate to adjust the resistance value of a first resistor of the first potentiometer;
the first resistor of the first potentiometer is electrically connected with the load lamp so that the brightness of the load lamp changes along with the change of the resistance value of the first resistor.
According to the dimming circuit provided by the embodiment of the application, after receiving the dimming command sent by the dimming terminal, the wireless transceiver module sends the dimming command to the motor driving module, and the motor driving module processes the dimming command to obtain a motor regulation signal to drive the motor to rotate according to the motor regulation signal, and the first potentiometer is connected with the motor transmission, so that the motor rotates to drive the first potentiometer to rotate, the resistance value of the first resistor of the first potentiometer is changed, the voltage at two ends of the load lamp connected with the first resistor can be changed, and the brightness of the load lamp can be changed. The user can send the command of adjusting luminance through the terminal remote control that adjusts luminance, the luminance of this application's dimmer circuit will automatically regulated load lamp, has realized the purpose of remote control dimming.
In one possible design, the dimming circuit further comprises:
the second potentiometer is in transmission connection with the motor so that the motor rotates to drive the second potentiometer to rotate;
the rotation angle of the second potentiometer is the same as that of the first potentiometer;
the second potentiometer is electrically connected with the wireless receiving and transmitting module and is used for transmitting the resistance value of the second resistor of the second potentiometer to the wireless receiving and transmitting module so that the wireless receiving and transmitting module can transmit the resistance value of the second resistor to the dimming terminal.
In one possible design, the dimming circuit further comprises:
and the working power supply is respectively and electrically connected with the wireless transceiver module and the motor driving module.
In one possible design, the dimming circuit further comprises:
and the controllable silicon is respectively and electrically connected with the first resistor body of the first potentiometer and the load lamp, and is used for adjusting the conduction angle of the controllable silicon according to the resistance value of the first resistor body so as to adjust the brightness of the load lamp.
In one possible design, the wireless transceiver module includes at least one of WiFi, bluetooth, narrowband telecommunications network, telecommunications broadband 2/3/4/5G, and 2.4G, zigBee and LoRa.
In a second aspect, there is provided a dimming device comprising:
a dimming terminal;
such as the dimming circuit described above.
In one possible design, the dimming device further comprises:
the gear reduction box is in transmission connection with the first potentiometer and the motor respectively, so that the motor rotates to drive a gear of the gear reduction box to rotate, and the first potentiometer is driven to rotate to adjust the resistance of a first resistor of the first potentiometer;
the gear reduction box is also in transmission connection with the second potentiometer on the transmission shaft, so that a gear of the gear reduction box rotates to drive the second potentiometer to rotate.
In one possible design, the dimming device further comprises:
and the switching device is arranged on the transmission shaft and is electrically connected with the load lamp.
In one possible design, the dimming device further comprises:
and the manual knob is connected with the adjusting piece of the first potentiometer.
In one possible design, the dimmer terminal is a computer or a cell phone or a tablet or is provided with a controller for sending dimming commands.
The beneficial effect that this application realized is: through long-range to wireless transceiver module sending the command of adjusting luminance on adjusting luminance the terminal, just can make the motor rotate according to the rotation angle who matches with the command of adjusting luminance to drive first potentiometre and rotate, make the first resistance body resistance of first potentiometre change, and then also change with the luminance of the load lamp of first resistance body connection, play the effect of adjusting luminance. In addition, the second potentiometer is arranged, the rotation angle of the second potentiometer is consistent with that of the first potentiometer, the rotation angle of the first potentiometer can be obtained according to the rotation angle of the second potentiometer, the rotation angle of the second potentiometer is sent to the dimming terminal through the wireless transceiver module, and a user can conveniently check whether the brightness adjustment of the load lamp is accurate or not on the dimming terminal; in addition, for wireless transceiver module and motor drive module provide working power supply, can make wireless transceiver module and motor drive module's circuit more stable, remote control dimming's effect is better, and the dimming circuit of this application can be in traditional potentiometre dimming device direct mount moreover, need not to insert in the power of load lamp, and the installation is more convenient.
Drawings
Fig. 1 is a block diagram of a dimming circuit according to an embodiment of the present application.
Fig. 2 is a circuit configuration diagram of a dimming circuit provided in an embodiment of the present application.
Fig. 3 is a block diagram of a dimming device according to an embodiment of the present application.
Reference numerals: 10. a wireless transceiver module; 20. a motor driving module; 30. a motor; 40. a first potentiometer; 41. a first resistor; 50. a gear reduction box; 60. a second potentiometer; 61. a second resistor; 70. a silicon controlled rectifier; 80. a switching device;
100. a dimming terminal; 200. a load lamp; 300. a working power supply; 400. a transmission shaft; 500. and (5) manually turning the knob.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "at least one" is one or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be further noted that, in the embodiments of the present application, the same reference numerals denote the same components or the same parts, and for the same parts in the embodiments of the present application, reference numerals may be given to only one of the parts or the parts in the drawings by way of example, and it should be understood that, for other same parts or parts, the reference numerals are equally applicable.
The embodiment of the application provides a dimming circuit and a dimming device, which solve the problem that the existing dimming mode cannot realize remote control dimming.
As shown in fig. 1, the dimming circuit provided in the embodiment of the present application includes a wireless transceiver module 10, where the wireless transceiver module 10 is configured to receive a dimming command sent by a dimming terminal 100; the motor driving module 20 is electrically connected with the wireless transceiver module 10 and is used for analyzing and processing the dimming command and outputting a motor regulation signal; the motor 30, the motor 30 is electrically connected with the motor driving module 20, and is used for rotating according to the motor regulation and control signal; the first potentiometer 40 is in transmission connection with the motor 30, so that the motor 30 rotates to drive the first potentiometer 40 to rotate to adjust the resistance value of the first resistor 41 of the first potentiometer 40; the first resistor 41 is electrically connected to the load lamp 200 such that the brightness of the load lamp 200 varies with the resistance value of the first resistor 41.
According to the dimming circuit provided by the embodiment of the application, after the wireless transceiver module 10 receives the dimming command sent by the dimming terminal 100, the dimming command is sent to the motor driving module 20, the motor driving module 20 processes the dimming command to obtain the motor regulation signal to drive the motor 30 to rotate according to the motor regulation signal, and the first potentiometer 40 is in transmission connection with the motor 30, so that the motor 30 rotates to drive the first potentiometer 40 to rotate, thereby changing the resistance value of the first resistor 41 of the first potentiometer 40, and thus changing the voltage at two ends of the load lamp 200 connected with the first resistor 41, and further changing the brightness of the load lamp 200. The user can send the dimming command remotely through the dimming terminal 100, and the dimming circuit of the present application can automatically adjust the brightness of the load lamp 200, thereby achieving the purpose of remote control dimming.
Optionally, the wireless transceiver module 10 comprises at least one of WiFi, bluetooth, narrowband telecommunications network, telecommunications broadband 2/3/4/5G and 2.4G, zigBee and LoRa.
Through the arrangement, the common wireless network is adopted as the wireless transceiver module 10, so that the design difficulty and the manufacturing difficulty of the dimming circuit can be reduced, the cost of the dimming circuit can be reduced, and the dimming circuit is suitable for large-scale popularization and use.
As shown in fig. 2, the dimming circuit further includes a second potentiometer 60, and the second potentiometer 60 is in transmission connection with the motor 30, so that the motor 30 rotates to drive the second potentiometer 60 to rotate; the rotation angle of the second potentiometer 60 is the same as that of the first potentiometer 40; the second potentiometer 60 is electrically connected to the wireless transceiver module 10, and is configured to send the resistance value of the second resistor 61 of the second potentiometer 60 to the wireless transceiver module 10, so that the wireless transceiver module 10 sends the resistance value of the second resistor 61 to the dimming terminal 100.
Through the arrangement, the second potentiometer 60 and the first potentiometer 40 keep synchronous rotation, and the rotation angles are the same, so that the rotation angle of the first potentiometer 40 can be known by detecting the rotation angle of the second potentiometer 60, when the dimming is controlled remotely, the dimming terminal 100 receives the resistance value of the second resistor 61 sent by the second potentiometer 60, and the rotation angle of the second potentiometer 60, namely the rotation angle of the first potentiometer 40, can be clearly judged by a user, and whether the rotation angle of the first potentiometer 40 is matched with a dimming command, namely whether the dimming effect of the remote control reaches the dimming effect indicated by the dimming command can be more accurate; if the user manually adjusts the light, the first potentiometer 40 is manually controlled to rotate, at this time, the adjusting member of the first potentiometer 40 drives the motor 30 to rotate, so that the motor 30 drives the second potentiometer 60 to rotate, that is, the second potentiometer 60 and the first potentiometer 40 keep rotating synchronously, when the light adjusting terminal 100 obtains the resistance value of the second resistor 61 of the second potentiometer 60 to obtain the rotation angle of the second potentiometer 60, the user can know the angle of manually rotating the first potentiometer 40 according to the rotation angle of the second potentiometer 60, and can clearly know the brightness of the adjusted load lamp 200.
It should be noted that, the setting of the second potentiometer 60 to obtain the rotation angle of the first potentiometer 40 is because the first potentiometer 40 is directly connected to the mains voltage, and the direct measurement of the resistance value of the first resistor 41 of the first potentiometer 40 to obtain the rotation angle of the first potentiometer 40 may deviate, which affects the accuracy of the measurement result and further affects the accuracy of the brightness adjustment of the load lamp 200.
Optionally, the dimming circuit further includes an operating power supply 300, where the operating power supply 300 is electrically connected to the wireless transceiver module 10 and the motor driving module 20, respectively.
Through the above arrangement, the wireless transceiver module 10 and the motor driving module 20 are independently powered by the working power supply 300, so that the normal operation of the wireless transceiver module 10, the motor driving module 20, the motor 30 and the second potentiometer 60 is not affected by the power supply connected with the first potentiometer 40 and the load lamp 200, the wireless transceiver module 10, the motor driving module 20, the motor 30 and the second potentiometer 60 can normally operate under any condition to realize the purpose of remotely controlling the brightness of the load lamp 200, and the wireless transceiver module 10, the motor driving module 20, the motor 30 and the second potentiometer 60 can be directly installed in the traditional potentiometer dimming device so that the traditional potentiometer dimming device has a remote dimming function, and the improvement and installation of the traditional potentiometer dimming device are simpler.
The working power supply 300 is a dc power supply system composed of a battery, and the power supply may be stored from the battery, or may be a charging device, a dry battery, or the like from an AC conversion or an external power supply.
As shown in fig. 2, the dimming circuit further includes a silicon controlled rectifier 70, and the silicon controlled rectifier 70 is electrically connected to the first resistor 41 of the first potentiometer 40 and the load lamp 200, respectively, for adjusting the conduction angle of the silicon controlled rectifier 70 according to the resistance value of the first resistor 41, so as to adjust the brightness of the load lamp 200.
Through the arrangement, the silicon controlled rectifier phase-cut control circuit is an inherently mature circuit module, and has the functions of cutting off the AC phase, closing different amounts of electric energy, adjusting and outputting the AC electric energy, and completing the brightness adjustment and switching of the lamp. The first resistor 41 of the first potentiometer 40 controls the thyristor 70 to change the conduction angle of the source and the drain of the thyristor 70, thereby changing the output ac power, and thus the current flowing through the load lamp 200 is changed, and the brightness of the load lamp 200 is adjusted.
As shown in fig. 3, the dimming device provided in the embodiment of the present application includes a dimming terminal 100; such as the dimming circuit described above.
According to the dimming device provided by the embodiment of the application, the dimming terminal 100 sends a dimming command to the dimming circuit, and then the dimming circuit drives the motor 30 to rotate according to the dimming command, so that the first potentiometer 40 is driven to rotate, the resistance of the first resistor 41 of the first potentiometer 40 is changed, the current flowing through the load lamp 200 is changed, and the brightness of the load lamp 200 is regulated, so that the brightness of the load lamp 200 can be remotely controlled, intelligent management of the lamp is realized, better brightness regulation experience is realized, energy conservation and consumption reduction are realized, and eyes are protected; meanwhile, the problem that the household lamps, the factory, the mine, the enterprise, the institution and the lighting unified management and the like cannot be controlled outside is solved, and unnecessary energy waste is avoided.
Alternatively, the dimmer terminal 100 is a computer or a mobile phone or a tablet or is provided with a controller for sending a dimming command. In this embodiment of the present application, the dimming terminal 100 may have multiple options, so that a dedicated dimming terminal 100 does not need to be configured to cooperate with a dimming circuit to implement remote control dimming, so that the use of this embodiment of the present application is more convenient.
As shown in fig. 3, the dimming device further includes a gear reduction box 50, wherein the gear reduction box 50 is in transmission connection with the first potentiometer 40 and the motor 30 respectively, so that the motor 30 rotates to drive a gear of the gear reduction box 50 to rotate, thereby driving the first potentiometer 40 to rotate to adjust a resistance value of the first resistor 41 of the first potentiometer 40; the gear reduction box 50 is further in transmission connection with the second potentiometer 60 on the transmission shaft 400, so that the gear of the gear reduction box 50 rotates to drive the second potentiometer 60 to rotate.
The first potentiometer 40 is connected to the motor 30 via the gear box 50, and the motor 30 converts an electric signal into a mechanical motion, and advances and retreats. The reduction gear in the gear reduction box 50 refines the kinetic energy of the rapidly rotating motor 30 to the micro-step action of the first potentiometer 40, is compatible with the consistency of electric and manual, and is mutually coordinated, so that the effect that the motor 30 drives the first potentiometer 40 to rotate is more similar to the effect of manual operation. The specific connection mode of the first potentiometer 40 and the gear reduction box 50 is that a gear or a dragging structure is newly added on the shaft of the first potentiometer 40, the first potentiometer is directly connected with the gear reduction box 50 or a driving shaft of the motor 30, the gear is in transmission connection, the purpose of smooth resistance change is achieved, and the information transmission task of dimming operation is completed.
As an alternative embodiment, the motor 30 may be connected to the transmission shaft 400 to implement a transmission connection with the gear box 50, so that the length of the whole dimming device is relatively long, and if there is a limitation on the length of the dimming device in practical application, but there is no limitation on the width of the dimming device, the motor 30 may be mounted on a side of the transmission shaft 400, so that the length of the dimming device is reduced by a portion of the length of the motor 30, thereby meeting the requirements.
As an alternative embodiment, the first potentiometer 40, the second potentiometer 60, the gear reduction box 50 and the motor 30 may be mounted on the same transmission shaft 400 to complete linkage, or may be driven in series through gears, or may be mechanically driven in a belt or gear approaching manner under other fixing modes such as PCB.
As shown in fig. 3, the dimming device further includes a switching device 80, the switching device 80 is mounted on the driving shaft 400, and the switching device 80 is electrically connected with the load lamp 200.
Through the above arrangement, a protrusion may be disposed on the transmission shaft 400, and the light-opening device is mounted on the protrusion on the transmission shaft 400, and when the transmission shaft 400 rotates to a certain preset angle, the protrusion may push up the mechanical switch of the switching device 80, so that no current flows through the load lamp 200, and the load lamp 200 is turned off. The switching device 80 may be mounted at any position in the front, rear, and middle of the transmission shaft 400. The light adjusting device can realize remote light adjusting and remote switching of the load lamp 200 through the arrangement of the switching device 80, so that the lamp at a dangerous place can be remotely switched on and off, and the danger is reduced.
Further, a timing switch lamp or a timing dimming function may be set on the dimming terminal 100, so that the dimming terminal 100 may send a dimming command or a switching lamp command at a timing, so that the control management of the load lamp 200 is more intelligent.
As shown in fig. 3, the dimming device further includes a manual knob 500, and the manual knob 500 is connected to the adjusting member of the first potentiometer 40.
Through the above arrangement, the user can rotate the manual knob 500 to adjust the resistance value of the first resistor 41 of the first potentiometer 40, so as to achieve the purpose of dimming, and when the dimming is remotely controlled, the motor 30 drives the first potentiometer 40 to rotate, and the manual knob 500 also rotates. According to the embodiment of the application, manual dimming can be supported, remote control dimming can be supported, the use of a user is facilitated, the improvement and installation of a traditional potentiometer dimming device are facilitated, and the existing operation habit of the user cannot be changed by the dimming device after the improvement and installation.
The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (9)
1. A dimming circuit, comprising:
the wireless transceiver module (10), the said wireless transceiver module (10) is used for receiving the dimming command that the dimmer terminal (100) sends;
the motor driving module (20) is electrically connected with the wireless receiving and transmitting module (10) and is used for analyzing and processing the dimming command and outputting a motor regulation signal;
the motor (30) is electrically connected with the motor driving module (20) and is used for rotating according to the motor regulation and control signal;
the first potentiometer (40) is in transmission connection with the motor (30) so that the motor (30) rotates to drive the first potentiometer (40) to rotate to adjust the resistance value of a first resistor (41) of the first potentiometer (40);
the first resistor (41) is electrically connected with the load lamp (200) so that the brightness of the load lamp (200) changes along with the change of the resistance value of the first resistor (41);
the second potentiometer (60) is in transmission connection with the motor (30) so that the motor (30) rotates to drive the second potentiometer (60) to rotate;
the rotation angle of the second potentiometer (60) is the same as that of the first potentiometer (40);
the second potentiometer (60) is electrically connected with the wireless transceiver module (10) and is used for sending the resistance value of the second resistor (61) of the second potentiometer (60) to the wireless transceiver module (10), so that the wireless transceiver module (10) sends the resistance value of the second resistor (61) to the dimming terminal (100).
2. The dimming circuit of claim 1, wherein the dimming circuit further comprises:
and the working power supply (300) is electrically connected with the wireless transceiver module (10) and the motor driving module (20) respectively.
3. The dimming circuit of claim 1, wherein the dimming circuit further comprises:
and the controllable silicon (70) is respectively and electrically connected with the first resistor body (41) of the first potentiometer (40) and the load lamp (200), and is used for adjusting the conduction angle of the controllable silicon (70) according to the resistance value of the first resistor body (41) so as to adjust the brightness of the load lamp (200).
4. The dimming circuit of claim 1, wherein the wireless transceiver module (10) comprises at least one of WiFi, bluetooth, narrowband telecommunications network, telecommunications broadband 2/3/4/5G and 2.4G, zigBee and LoRa.
5. A dimming device, comprising:
a dimmer terminal (100);
a dimming circuit as claimed in any one of claims 1 to 4.
6. The dimming device of claim 5, further comprising:
the gear reduction box (50) is in transmission connection with the first potentiometer (40) and the motor (30) respectively, so that the motor (30) rotates to drive a gear of the gear reduction box (50) to rotate, and the first potentiometer (40) is driven to rotate to adjust the resistance value of a first resistor (41) of the first potentiometer (40);
the gear reduction box (50) is also in transmission connection with the second potentiometer (60) on the transmission shaft (400), so that the gear of the gear reduction box (50) rotates to drive the second potentiometer (60) to rotate.
7. The dimming device of claim 6, further comprising:
-a switching device (80), said switching device (80) being mounted on said drive shaft (400) and said switching device (80) being electrically connected to said load lamp (200).
8. The dimming device of claim 5, further comprising:
and the manual knob (500) is connected with the adjusting piece of the first potentiometer (40).
9. A dimming device according to any of claims 5-8, wherein the dimming terminal (100) is a computer or a cell phone or a tablet or is provided with a controller for sending dimming commands.
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| CN202110371327.XA CN113260109B (en) | 2021-04-06 | 2021-04-06 | Dimming circuit and dimming device |
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| CN111194117A (en) * | 2020-03-02 | 2020-05-22 | 一点照明(深圳)有限责任公司 | LED lamp remote dimming circuit and dimming method |
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| CN2726042Y (en) * | 2004-07-05 | 2005-09-14 | 郝全文 | Wireless and infrared remote-controlled stepless light modulating switch |
| CN204836677U (en) * | 2015-07-13 | 2015-12-02 | 傅亚蓉 | Long -range LED lamp of adjusting luminance |
| US9839085B2 (en) * | 2015-12-24 | 2017-12-05 | Lg Innotek Co., Ltd. | Lighting control apparatus using wire and wireless integrated dimming circuit |
| CN205385631U (en) * | 2016-01-26 | 2016-07-13 | 江苏通领科技有限公司 | Can set for LED light modulator of scope of adjusting luminance |
| CN206222268U (en) * | 2016-11-22 | 2017-06-06 | 郑州科技学院 | The LED street lamp of infrared remote control can be carried out |
| CN212510781U (en) * | 2020-08-26 | 2021-02-09 | 江西耐久照明有限公司 | Wireless Internet of things intelligent LED energy-saving lamp |
| CN112578705A (en) * | 2020-12-03 | 2021-03-30 | 浙江博来工具有限公司 | PCB controller for electric tool |
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| CN111194117A (en) * | 2020-03-02 | 2020-05-22 | 一点照明(深圳)有限责任公司 | LED lamp remote dimming circuit and dimming method |
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