CN211531370U - Projection lamp - Google Patents
Projection lamp Download PDFInfo
- Publication number
- CN211531370U CN211531370U CN201922322201.4U CN201922322201U CN211531370U CN 211531370 U CN211531370 U CN 211531370U CN 201922322201 U CN201922322201 U CN 201922322201U CN 211531370 U CN211531370 U CN 211531370U
- Authority
- CN
- China
- Prior art keywords
- module
- light source
- output
- electrically connected
- control unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a spot lamp, which comprises a light source component, a remote controller, a control device and a display device; the remote controller is provided with a control panel and a transmitting module, the control device is electrically connected with the light source assembly, the control device is internally provided with a main control module, a driving module and a receiving module which are used for adjusting the color temperature and/or the brightness of the light source assembly, the display device is electrically connected with the control device, the control panel on the remote controller can transmit a control signal for adjusting the color temperature and/or the brightness to the control device, the receiving module receives the signal, the main control module controls the driving module to output a current with adjustable duty ratio and/or size so that the color temperature and/or the brightness of the light source assembly can be changed along with the current, and the corresponding color temperature value and/or the brightness value can be reflected on the display device, so that.
Description
Technical Field
The utility model relates to the technical field of lamps and lanterns, especially a spot lamp.
Background
The color temperature or brightness of the existing spot lamps is generally adjusted through a gear knob on a lamp body, the color temperature value or the brightness value cannot be directly obtained from the lamp, the color temperature or the brightness of the spot lamps can be roughly adjusted only according to the visual perception and the emergent light effect of a user, when the color temperature or the brightness of a plurality of spot lamps needs to be adjusted, the color temperature or the brightness of the spot lamps cannot be directly controlled from a distance by moving to an adjusting knob in front of one spot lamp, and the color temperature value or the brightness value of each spot lamp cannot be directly known.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a shot-light, can show the colour temperature value and/or the luminance value of the light that lamps and lanterns sent and but the colour temperature and/or the luminance of remote regulation lamps and lanterns.
The utility model adopts the technical proposal that:
according to the utility model discloses a shot-light of embodiment includes: a light source assembly; the remote controller is provided with a control panel and a transmitting module; the control device is electrically connected with the light source assembly, and a main control module, a driving module and a receiving module which are used for adjusting the color temperature and/or the brightness of the light source assembly are arranged in the control device; the display device is electrically connected with the control device; the output end of the main control module is electrically connected with the display device and the input end of the driving module respectively, and the output end of the driving module is electrically connected with the light source assembly.
According to the utility model discloses shot-light has following beneficial effect at least:
the spotlight can transmit a control signal for adjusting the color temperature and/or the brightness to the control device through the control panel on the remote controller, the receiving module in the control device receives the signal, the main control module controls the driving module to output current with adjustable duty ratio and/or size so that the color temperature and/or the brightness of the light source component are changed along with the control signal, and the corresponding color temperature value and/or the corresponding brightness value can be reflected on the display device, so that the color temperature and/or the brightness of the light source component can be adjusted remotely.
According to some embodiments of the utility model, be equipped with the parameter setting key on the control panel in order to set for the colour temperature value and the luminance value of light source subassembly.
According to some embodiments of the utility model, drive module includes the colour temperature regulation module, the light source subassembly is including the first light source that can send warm light and can send luminescent second light source, be equipped with first switch circuit and second switch circuit in the colour temperature regulation module, first switch circuit's output with first light source electricity is connected, second switch circuit's output with second light source electricity is connected, host system's first output respectively with first switch circuit's input with second switch circuit's input electricity is connected, and host system is through the ratio of controlling first switch circuit and second switch circuit output current to the luminance proportion of adjustment warm light source and cold light source, thereby realize the colour temperature regulation of realization.
According to some embodiments of the utility model, be equipped with first PWM the control unit in the colour temperature regulation module, host system's first output with first PWM the control unit's input electricity is connected, first PWM the control unit's output includes first output and second output, first PWM the control unit's first output with first switch circuit's input electricity is connected, first PWM the control unit's second output with second switch circuit's input electricity is connected, and first PWM the control unit receives the PWM signal who comes from host system's mixing of colors temperature, carries out level conversion to it, and then outputs the PWM signal of a control first switch circuit and second switch circuit break-make to the duty cycle of the electric current of adjustment input first light source and second light source realizes the colour temperature regulation.
According to the utility model discloses a some embodiments, host system with be equipped with first isolation unit between the colour temperature regulation module, the input of first isolation unit with host system's output electricity is connected, the output of first isolation unit with colour temperature regulation module's input electricity is connected, makes colour temperature regulation module and the electrical isolation of other modules, has anti-jamming effect.
According to some embodiments of the present invention, the driving module includes a brightness adjusting module, the brightness adjusting module is provided therein with a second PWM control unit and a power control unit, the power control unit can receive an output signal of the second PWM control unit to control an output voltage or an output current of the brightness adjusting module, the second output terminal of the main control module is electrically connected to the input terminal of the second PWM control unit, the output terminal of the second PWM control unit is electrically connected to the input terminal of the power control unit, the output terminal of the power control unit is electrically connected to the light source assembly, the second PWM control unit receives a brightness-adjusted PWM signal from the main control module, performs level conversion on the brightness-adjusted PWM signal, and then outputs a PWM signal for controlling the on/off of the power control unit, thereby adjusting the magnitude of the output current of the power control unit, the adjustment of the brightness is realized.
According to some embodiments of the present invention, the power control unit includes transformer T1 and MOS transistor Q3, the gate of MOS transistor Q3 with the output electricity of second PWM control unit is connected, the drain electrode of MOS transistor Q3 is connected with the one end electricity of transformer T1, the other end of the primary side of transformer T1 and the source electrode of MOS transistor Q3 are connected with the external power supply electricity, the secondary side of transformer T1 with the light source subassembly electricity is connected, the signal of second PWM control unit output through adjusting switching on of MOS transistor Q3 with end make transformer T1's secondary side voltage adjustment to adjust the size of the electric current of exporting the light source subassembly, realize luminance control promptly.
According to some embodiments of the utility model, host system with be equipped with the second between the regulation of luminance module and keep apart the unit, the second keep apart the input of unit with host system's output electricity is connected, the second keep apart the output with the input electricity of regulation of luminance module is connected, makes the electrical isolation of colour temperature regulation module and regulation of luminance module two parts, has anti-jamming effect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a block diagram of a circuit configuration of a spot lamp according to an embodiment of the present invention;
fig. 2 is a schematic view of a spot light according to an embodiment of the present invention;
fig. 3 is a circuit diagram corresponding to the circuit configuration block diagram in fig. 1.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Referring to fig. 1 and 2, a spotlight according to an embodiment of the present invention includes a light source assembly 100, a remote controller 200, a control device, and a display device 400, where the light source assembly 100 generally employs an LED light source; the controller 200 is provided with a control panel and an emitting module, the control device is electrically connected with the light source assembly 100, the control device is provided with a main control module 310, a driving module 320 and a receiving module 330, the main control module 310 is a chip capable of generating a PWM signal for color temperature and brightness adjustment, the display device 400 is electrically connected with the control device, the output end of the main control module 310 is electrically connected with the input ends of the display device 400 and the driving module 320, and the output end of the driving module 320 is electrically connected with the light source assembly 100; the main control module 310 and the driving module 320 are used for adjusting the color temperature of the light source assembly 100, the main control module 310 controls the driving module 320 to output currents with different duty ratios, so that the color temperature of the light source assembly 100 changes accordingly, and corresponding color temperature values are displayed on the display device 400; in some embodiments, the main control module 310 and the driving module 320 are used for adjusting the brightness of the light source assembly 100, and the main control module 310 controls the driving module 320 to output the current with adjustable magnitude so that the brightness of the light source assembly 100 changes, and the corresponding brightness value is displayed on the display device 400; in some embodiments, the main control module 310 and the driving module 320 are used to adjust the color temperature and the brightness of the light source assembly 100, the main control module 310 controls the driving module 320 to output current with adjustable duty ratio and adjustable magnitude so that the color temperature and the brightness of the light source assembly are changed accordingly, and corresponding color temperature values and brightness values are displayed on the display device 400; the remote controller 200 facilitates remote adjustment of the light efficiency of the light source assembly, and the display device 400 facilitates direct reading of the light efficiency value of the corresponding lamp.
In some embodiments, the control panel is provided with a parameter setting key 210 to set the color temperature value and the brightness value of the light source assembly 100, so as to adjust the color temperature and the brightness to the target values accurately.
In some embodiments, the control panel is provided with an on-off key, a brightness key and a color temperature key, the on-off state of the light source assembly 100 can be controlled by pressing the on-off key, and the color temperature and the brightness of the light source assembly 100 can be adjusted by pressing the brightness key and the color temperature key.
In some embodiments, the display device 400 is disposed on the lamp body, the display device 400 may be an LCD or LCD, the color temperature value and the brightness value of the light source assembly 100 are displayed by the display device 400, and the color temperature value and the brightness value of the spotlight may be directly read from the lamp body of the spotlight.
In some embodiments, a display screen is also provided on the remote controller 200, and the color temperature value and the brightness value can be directly read from the remote controller 200.
In some embodiments, the driving module 320 includes a color temperature adjusting module 321, the light source assembly 100 includes a first light source LED1 capable of emitting warm light and a second light source LED2 capable of emitting cold light, a first switch circuit and a second switch circuit are disposed in the color temperature adjusting module 321, the first switch circuit and the second switch circuit may be MOS transistor circuits or thyristor circuits, an output end of the first switch circuit is electrically connected to the first light source LED1, an output end of the second switch circuit is electrically connected to the second light source LED2, a first output end of the main control module 310 is electrically connected to an input end of the first switch circuit and an input end of the second switch circuit, respectively, and the main control module 310 adjusts a luminance ratio of the warm light source and the cold light source by controlling a ratio of output currents of the first switch circuit and the second switch circuit, so as to adjust the color temperature of the light source assembly 100.
In some embodiments, the color temperature adjusting module 321 is provided with a first PWM control unit 323, the first output terminal of the main control module 310 is electrically connected to the input terminal of the first PWM control unit 323, the first PWM control unit 323 can select a chip capable of receiving the PWM signal with the color temperature adjusted from the main control module 310 and performing level conversion on the PWM signal to output a PWM signal, the output terminal of the first PWM control unit 323 includes a first output terminal and a second output terminal, the first output terminal of the first PWM control unit 323 is electrically connected to the input terminal of the first switch circuit, the second output terminal of the first PWM control unit 323 is electrically connected to the input terminal of the second switch circuit, the first PWM control unit 323 receives the PWM signal with the color temperature adjusted from the main control module 310 and performs level conversion on the PWM signal, and then outputs a PWM signal for controlling the first switch circuit and the second switch circuit to be turned on or off, so as to adjust the duty ratio of the currents input to the first light source LED1 and the second light source LED2, and realizing color temperature adjustment.
In some embodiments, the driving module 320 includes a brightness adjusting module 322, the brightness adjusting module 322 is provided with a second PWM control unit 324 and a power control unit 325, the second PWM control unit 324 can select a chip capable of receiving the brightness-adjusted PWM signal from the main control module 310 and performing level conversion on the PWM signal to output a PWM signal, the power control unit 325 can receive the output signal of the second PWM control unit 324 to control the output voltage or the output current of the brightness adjusting module 322, the power control unit 325 is a circuit with a switching tube, such as a switching power supply, a transformer with a switching tube, etc., a second output terminal of the main control module 310 is electrically connected to an input terminal of the second PWM control unit 324, an output terminal of the second PWM control unit 324 is electrically connected to an input terminal of the power control unit 325, an output terminal of the power control unit 325 is electrically connected to the light source assembly 100, the second PWM control unit 324 receives the PWM signal for adjusting the brightness from the main control module 310, performs level conversion on the PWM signal, and then outputs a PWM signal for controlling the power control unit 325 to be turned on and off, so as to adjust the output current of the power control unit 325 and adjust the brightness. Of the negative electrode
As shown in fig. 3, in some embodiments, the driving module 320 includes a color temperature adjusting module 321 and a brightness adjusting module 322, the main control module 310 employs a single-chip microcomputer U1, the first switch circuit includes an N-type MOS transistor Q1, the second switch circuit includes an N-type MOS transistor Q2, the first PWM control unit employs a single-chip microcomputer U2, a PWM1 signal output end of the single-chip microcomputer U1 is electrically connected to a PWM terminal of the single-chip microcomputer U2 through a resistor R9, an output end of the single-chip microcomputer U2 includes a first output end OUT1 and a second output end OUT2, the first output end OUT1 is electrically connected to a gate of the MOS transistor Q1, a drain of the MOS transistor Q1 is electrically connected to a negative electrode of the first light source LED1, the second output end OUT2 is electrically connected to a gate of the MOS transistor Q2, a drain of the MOS transistor 37q 84 is electrically connected to a negative electrode of the second light source LED2, and sources; the singlechip U2 receives the PWM1 signal from the singlechip U1, performs level conversion on the PWM1 signal, and then outputs two PWM signals for controlling the on-off of the first switch circuit and the second switch circuit, so that the duty ratio of the current input into the first light source LED1 and the second light source LED2 is adjusted, and color temperature adjustment is realized; the second PWM control unit 324 adopts a single chip microcomputer U3, the third switch circuit can be a MOS transistor circuit or a triode circuit, in some embodiments, the third switch circuit includes an N-type MOS transistor Q3, the power control unit 325 can adopt a single chip microcomputer module or a transformer, in some embodiments, the power control unit 325 includes a transformer T1 and an N-type MOS transistor Q3, a PWM2 signal terminal of the single chip microcomputer U1 is electrically connected to a PWM port of the single chip microcomputer U3 through a resistor R7, a GATE port of the single chip microcomputer U3 is electrically connected to a GATE of the MOS transistor Q3 through a resistor R6, a drain of the MOS transistor Q3 is electrically connected to a b terminal of a primary side of the transformer T1, a source of the MOS transistor Q3 is electrically connected to an output terminal of the rectifying and filtering unit 610 of the power module 600 through resistors R6 and R4, a secondary side of the transformer T1 is electrically connected to a positive electrode of the light source assembly 100 through a diode D2, the U3 receives a PWM 46, and the level conversion is carried out on the voltage level, and then a PWM signal for controlling the on-off of the MOS transistor Q3 is output, so that the effective value of the secondary side current of the transformer T1 is adjusted, and the brightness adjustment is realized. First of all
In some embodiments, a first isolation unit 500 is disposed between the main control module 310 and the color temperature adjusting module 321, an input end of the first isolation unit 500 is electrically connected to an output end of the main control module 200, and an output end of the first isolation unit 500 is electrically connected to an input end of the color temperature adjusting module 321; in some embodiments, a second isolation unit is disposed between the main control module 310 and the brightness adjustment module 322, an input end of the second isolation unit is electrically connected to an output end of the main control module 310, and an output end of the second isolation unit is electrically connected to an input end of the brightness adjustment module 322; the first isolation unit 500 and the isolation unit 500 the second isolation unit may employ a photoelectric coupler or a coupling transformer; as shown in fig. 3, a photocoupler is connected between the single chip microcomputer U1 and the single chip microcomputer U2, and the PWM1 signal for adjusting color temperature output by the single chip microcomputer U1 is coupled to the single chip microcomputer U2 through the first isolation unit 500, so that the color temperature adjustment module 321 and the brightness adjustment module 322 are electrically isolated from each other, and the anti-interference performance is high.
As shown in fig. 3, the power module 600 supplies power to the main control module 310 and the driving module 320, the power module 600 includes a rectifying and filtering unit 610 and a power adapting unit 620, the rectifying and filtering unit 610 includes a resistor R1, a capacitor C1, a capacitor C2 and a rectifying bridge D1, the power adapting unit 620 includes a single chip microcomputer U4, an output voltage of the rectifying and filtering unit 610 is input from a DRAIN end of the single chip microcomputer U4, a CS end of the single chip microcomputer U4 outputs a voltage adapted to the single chip microcomputer U1, and the voltage is filtered by the resistor R2, the resistor R3, the capacitor C3 and the inductor L1 and then input to a VCC end of the single chip microcomputer U1;
the output voltage of the rectifying and filtering unit 610 is input from the a end of the primary side of the transformer T1, the output voltage of the rectifying and filtering unit 610 is input from the VCC end and the CTRL end of the single chip microcomputer U3 through the resistor R4 to supply power to the single chip microcomputer U3, the c end of the transformer T1 is electrically connected with the output end of the rectifying and filtering unit 610 through the diode D3, the resistor R6 and the resistor R4, the output voltage of the transformer T1 is input from the VCC end and the VH end of the single chip microcomputer U2 through the resistor R8 to supply power to the single chip microcomputer U2, and the VS end of the single chip microcomputer U2 is grounded.
The output end of the receiving module 330 is electrically connected with the P2 port of the single-chip microcomputer U1, the transmitting module can be an infrared transmitting module or a bluetooth transmitting module, and the receiving module 330 is correspondingly an infrared receiving module or a bluetooth receiving module.
The display device 400 is an LCD display screen, the input end of the LCD display screen is electrically connected with the P3-P8 ports of the single chip microcomputer U1, and both the color temperature value and the brightness value of the light source assembly 100 can be represented on the LCD display screen.
It is readily understood by those skilled in the art that the above-described preferred modes can be freely combined and superimposed without conflict.
The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (8)
1. A spot light, comprising:
a light source assembly (100);
the remote controller (200) is provided with a control panel and a transmitting module;
the control device (300) is electrically connected with the light source assembly (100), and a main control module (310), a driving module (320) and a receiving module (330) which are used for adjusting the color temperature and/or the brightness of the light source assembly (100) are arranged in the control device (300);
a display device (400) electrically connected to the control device (300);
the output end of the main control module (310) is electrically connected with the input ends of the display device (400) and the driving module (320), and the output end of the driving module (320) is electrically connected with the light source assembly (100).
2. The spot light of claim 1, wherein: the control panel is provided with a parameter setting key (210) to set the color temperature value and/or the brightness value of the light source assembly (100).
3. The spot light of claim 1, wherein: drive module (320) are including colour temperature regulation module (321), light source subassembly (100) are including the first light source that can send warm light and can send luminescent second light source, be equipped with first switch circuit and second switch circuit in colour temperature regulation module (321), first switch circuit's output with first light source electricity is connected, second switch circuit's output with second light source electricity is connected, the first output of host system (310) respectively with first switch circuit's input with second switch circuit's input electricity is connected.
4. A spotlight according to claim 3, wherein: be equipped with first PWM control unit (323) in colour temperature regulation module (321), the first output of main control module (310) with the input electricity of first PWM control unit (323) is connected, the output of first PWM control unit (323) includes first output and second output, the first output of first PWM control unit (323) with first switch circuit's input electricity is connected, the second output of first PWM control unit (323) with second switch circuit's input electricity is connected.
5. A spotlight according to claim 3, wherein: the LED display screen is characterized in that a first isolation unit (500) is arranged between the main control module (310) and the color temperature adjusting module (321), the input end of the first isolation unit (500) is electrically connected with the output end of the main control module (310), and the output end of the first isolation unit (500) is electrically connected with the input end of the color temperature adjusting module (321).
6. The spot light of claim 1, wherein: the driving module (320) comprises a brightness adjusting module (322), a second PWM control unit (324) and a power control unit (325) are arranged in the brightness adjusting module (322), the power control unit (325) can receive an output signal of the second PWM control unit (324) to control an output voltage or an output current of the brightness adjusting module (322), a second output end of the main control module (310) is electrically connected with an input end of the second PWM control unit (324), an output end of the second PWM control unit (324) is electrically connected with an input end of the power control unit (325), and an output end of the power control unit (325) is electrically connected with the light source assembly (100).
7. The spot light of claim 6, wherein: the power control unit (325) comprises a transformer T1 and a MOS transistor Q3, wherein the grid electrode of the MOS transistor Q3 is electrically connected with the output end of the second PWM control unit (324), the drain electrode of the MOS transistor Q3 is electrically connected with one end of the primary side of the transformer T1, the other end of the primary side of the transformer T1 and the source electrode of the MOS transistor Q3 are electrically connected with an external power supply, and the secondary side of the transformer T1 is electrically connected with the light source assembly (100).
8. The spot light of claim 6, wherein: a second isolation unit is arranged between the main control module (310) and the brightness adjusting module (322), the input end of the second isolation unit is electrically connected with the output end of the main control module, and the output end of the second isolation unit is electrically connected with the input end of the brightness adjusting module (322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922322201.4U CN211531370U (en) | 2019-12-20 | 2019-12-20 | Projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922322201.4U CN211531370U (en) | 2019-12-20 | 2019-12-20 | Projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211531370U true CN211531370U (en) | 2020-09-18 |
Family
ID=72466321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922322201.4U Active CN211531370U (en) | 2019-12-20 | 2019-12-20 | Projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211531370U (en) |
-
2019
- 2019-12-20 CN CN201922322201.4U patent/CN211531370U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105025635B (en) | A kind of LED light modulations toning circuit temperature | |
| CN204810631U (en) | LED adjusts luminance to mix colours and reviews circuit | |
| CN205232499U (en) | LED lamp convenient to adjust luminance | |
| CN201310774Y (en) | LED illuminating system capable of adjusting color temperature | |
| CN208158951U (en) | A kind of LED power circuit of tunable optical color-temperature regulating | |
| CN104113972B (en) | LED power switching circuit | |
| CN106793244B (en) | LED intelligent illumination system on a kind of wall | |
| CN211531370U (en) | Projection lamp | |
| CN211240225U (en) | Intelligent atmosphere lamp for electronic screen | |
| CN103476179A (en) | Integrated multifunctional LED power source with functions of dimming and color temperature adjusting in remote-control mode | |
| EP4048030B1 (en) | Silicon-controlled-rectifier dial dual-dimming drive circuit, dimming drive device and lamp | |
| CN202013656U (en) | Remote controller for LED lamp group | |
| CN215529379U (en) | LED lamp constant current drive circuit capable of adjusting light and color | |
| CN209982778U (en) | Intelligent COB optical engine module | |
| CN208806993U (en) | A kind of photography luminaire of tunable optical color-temperature regulating | |
| CN114096033A (en) | Self-dimming and external dimming two-in-one dimming system | |
| CN202551442U (en) | Remote-control light emitting diode (LED) desk lamp | |
| CN210491258U (en) | LED lamp double PWM color-mixing and light-adjusting control device based on power line | |
| CN210183608U (en) | Bluetooth control device of LED lamp | |
| CN116981124B (en) | Dimming and color temperature adjusting circuit, PCB and lighting device | |
| CN210491276U (en) | LED drive circuit capable of running stably and lamp using LED drive circuit | |
| CN212463574U (en) | Photovoltaic type plant light filling lamp control system | |
| CN212649756U (en) | Dimming and color temperature regulating single lamp controller with independent color temperature regulating technology | |
| CN216650047U (en) | 0-10V dimming circuit with wall switch dimming function and LED driving power supply | |
| CN215734927U (en) | Control circuit of electronic ballast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |