CN216650047U - 0-10V dimming circuit with wall switch dimming function and LED driving power supply - Google Patents
0-10V dimming circuit with wall switch dimming function and LED driving power supply Download PDFInfo
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- CN216650047U CN216650047U CN202123369580.6U CN202123369580U CN216650047U CN 216650047 U CN216650047 U CN 216650047U CN 202123369580 U CN202123369580 U CN 202123369580U CN 216650047 U CN216650047 U CN 216650047U
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The utility model belongs to the technical field of power supplies, and particularly relates to a 0-10V dimming circuit with a wall switch dimming function and an LED (light-emitting diode) driving power supply, which comprise a primary dimming power supply circuit, wherein the primary dimming power supply circuit is connected with a wall switch, and the LED driving power supply further comprises: the color temperature switching dimming circuit is connected with the primary circuit of the dimming power supply and is also connected with the lamp panel to be dimmed; the power conversion circuit is connected with the color temperature switching dimming circuit; the 0-10V dimming circuit is connected with the primary circuit of the dimming power supply and the power conversion circuit, and the 0-10V dimming circuit is also connected with an external dimmer and an external dimming chip. The utility model realizes the requirement of color temperature reduction under the control of the wall switch, and simultaneously realizes 0-10V dimming, and provides multiple dimming options for users, thereby meeting the use requirements of the users and improving the user experience.
Description
Technical Field
The utility model belongs to the technical field of power supplies, and particularly relates to a 0-10V dimming circuit with a wall switch dimming function and an LED driving power supply.
Background
The driving modes of the LED driving power supply generally include two types, the first type is that a constant voltage source supplies a plurality of constant current sources, and each constant current source individually supplies power to each LED. The mode has flexible combination, and one path of LED has faults, which does not affect the work of other LEDs, but has slightly higher cost. The second is direct constant current supply, with LEDs operating in series or parallel, which has the advantage of lower cost but poor flexibility.
Along with the improvement of people's standard of living, people no longer are single illumination mode to the demand of illumination lamps and lanterns, and LED ball bubble lamp, down lamp and ceiling lamp all adopt monochromatic form at present, along with house decoration's hommization and exquisiteness to and the promotion of lighting control technique, people no longer satisfy the demand of single illumination mode and single luminance to indoor lighting even commercial illumination, thereby pursue can anytime and anywhere and simply operate just can adjust the colour temperature and the luminance of LED lamps and lanterns. The existing simple dimming mode is mostly single dimming of 0-10V or wall switch dimming, and the technical problems of single circuit structure, inconvenience in use and incapability of meeting the use requirements of users exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a 0-10V dimming circuit with a wall switch dimming function and an LED driving power supply, and aims to solve the technical problems that in the prior art, the LED driving power supply is single in circuit, so that the LED driving power supply is inconvenient to use and cannot meet the use requirements of users.
In order to achieve the above object, an embodiment of the present invention provides a 0-10V dimming circuit with a wall switch dimming function, including a primary dimming power supply circuit, where the primary dimming power supply circuit is connected to a wall switch, and the 0-10V dimming circuit further includes:
the color temperature switching dimming circuit is connected with the primary circuit of the dimming power supply and is also connected with the lamp panel to be dimmed;
the power conversion circuit is connected with the color temperature switching dimming circuit;
the 0-10V dimming circuit is connected with the primary circuit of the dimming power supply and the power conversion circuit, and the 0-10V dimming circuit is also connected with an external dimmer and an external dimming chip.
Optionally, the power conversion circuit includes a sixth MOS transistor, an optocoupler and a seventh triode, the sixth MOS transistor is connected to the 0-10V dimming circuit, the optocoupler is connected to the sixth MOS transistor and the 0-10V dimming circuit, the seventh triode is connected to the optocoupler, and the seventh triode is further connected to the color temperature switching dimming circuit.
Optionally, the color temperature switching dimming circuit comprises a power output filter circuit and a color temperature control circuit, the power output filter circuit is connected with the primary circuit of the dimming power supply, and the power output filter circuit is further connected with the lamp panel to be dimmed; the color temperature control circuit is connected with the power output filter circuit, the power conversion circuit and the lamp panel to be dimmed.
Optionally, the color temperature control circuit comprises a color temperature control chip, a fifth MOS transistor, a fourth MOS transistor, a lamp panel positive electrode connecting section, a first negative electrode connecting end and a second negative electrode connecting end; the color temperature control chip is connected with the power output filter circuit, the grid electrode of the fifth MOS tube is connected with the first pin of the color temperature control chip, the source of the fifth MOS tube is grounded, the grid electrode of the fourth MOS tube is connected with the second pin of the color temperature control chip, the source of the fourth MOS tube is grounded, the positive connecting section of the lamp panel is connected with the power output filter circuit, the positive connecting section of the lamp panel is also connected with the lamp panel to be dimmed, the first negative connecting end is connected with the base electrode of the seventh triode after being connected with an eighteenth diode, the eighteenth diode is also connected with the drain electrode of the fifth MOS tube, the second negative connecting end is connected with the lamp panel to be dimmed, the second negative connecting end is connected with the base electrode of the seventh triode after being connected with a seventeenth diode, the anode of the seventeenth diode is also connected with the drain of the fourth MOS tube.
Optionally, the 0-10V dimming circuit includes a dimming power supply circuit and a dimming control circuit, the dimming power supply circuit is connected to the dimming power supply primary circuit and the power conversion circuit, the dimming control circuit is connected to the dimming power supply circuit and the power conversion circuit, and the dimming control circuit is further connected to an external dimmer and an external dimming chip.
Optionally, the dimming control circuit comprises a dimming positive end, a dimming negative end, a dimming control chip and a dimming output end, the dimming positive end and the dimming negative end are all connected with an external dimmer, a fifth pin of the dimming control chip is connected with the dimming positive end, a first pin of the dimming control chip is connected with the dimming negative end, the dimming control chip is further connected with the dimming power supply circuit, a seventh pin of the dimming control chip is further connected with a drain electrode of the sixth MOS transistor, and the dimming output end is connected with a sixth pin of the dimming control chip.
Optionally, the dimming supply circuit comprises a supply winding and a sixteenth diode; the power supply winding is connected with the primary circuit of the dimming power supply, the anode of the sixteenth diode is connected with the first end of the power supply winding, and the cathode of the sixteenth diode is connected with the optocoupler after being connected with a sixty-three resistor; the cathode of the sixteenth diode is connected with the drain of the sixth MOS transistor after being sequentially connected with a sixty-first resistor, a fifty-seventh resistor and a sixty-second resistor, the fifty-seventh resistor is connected with a forty-second resistor and then connected with the seventh pin of the dimming control chip, and the cathode of the sixteenth diode is connected with the eighth pin of the dimming control chip.
One or more technical solutions in the 0-10V dimming circuit with the wall switch dimming function provided by the embodiment of the utility model at least have one of the following technical effects:
the primary circuit of the dimming power supply is arranged to supply power to the color temperature switching dimming circuit, the color temperature switching dimming circuit can control the power conversion circuit according to a signal for triggering the wall switch when a user triggers the wall switch, so that the color temperature of a lamp on a lamp panel to be dimmed is dimmed, the 0-10V dimming circuit is arranged to receive the signal of an external dimmer, the requirement of dimming at 0-10V is met, meanwhile, the requirement of dimming the color temperature under the control of the wall switch is met, dimming at 0-10V is also achieved, various dimming options are provided for the user, the use requirement of the user is met, and the user experience is improved.
In order to achieve the above object, an embodiment of the present invention provides an LED driving power supply, which includes the above 0-10V dimming circuit with a wall switch dimming function.
One or more technical solutions in the LED driving power supply provided by the embodiment of the present invention at least have one of the following technical effects:
because the LED driving power supply comprises the 0-10V dimming circuit with the wall switch dimming function, the LED driving power supply also has the advantages of providing multiple dimming choices for users, meeting the use requirements of the users and improving the user experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a circuit structure block diagram of a 0-10V dimming circuit with a wall switch dimming function and an LED driving power supply according to an embodiment of the present invention;
fig. 2 is a circuit schematic diagram of a 0-10V dimming circuit with a wall switch dimming function and an LED driving power supply according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100. a dimming power supply primary circuit; 010. a wall switch connection; 200. a color temperature switching dimming circuit; 210. a power output filter circuit; 220. a color temperature control circuit; 020. a lamp panel to be dimmed; 300. a power conversion circuit; 310. a dimming power supply circuit; 320. a dimming control circuit; 400. a 0-10V dimming circuit; 030. an external dimmer; 040. an external dimming chip.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1-2, a 0-10V dimming circuit 400 with wall switch dimming function and an LED driving power supply are provided, which includes a dimming power supply primary circuit 100, the dimming power supply primary circuit 100 and a wall switch 010.
The 0-10V dimming circuit 400 with the wall switch dimming function further comprises a color temperature switching dimming circuit 200, a power conversion circuit 300 and a 0-10V dimming circuit 400.
The color temperature switching dimming circuit 200 is connected with the primary dimming power supply circuit 100, and the color temperature switching dimming circuit 200 is connected with the lamp panel 020 to be dimmed. Wherein, treat to be set up on the lamp plate 020 of adjusting luminance and wait to adjust luminance the light lamp.
The power conversion circuit 300 is connected to the color temperature switching dimming circuit 200. The 0-10V dimming circuit 400 is connected to the primary dimming power supply circuit 100 and the power conversion circuit 300, and the 0-10V dimming circuit 400 is further connected to an external dimmer 030 and an external dimming chip 040. When a user dims light through the external dimmer 030, the external dimmer 030 is triggered, the external dimmer 030 sends a signal to the 0-10V dimming circuit 400, and the 0-10V dimming circuit 400 sends a dimming control signal to the external dimming chip when dimming is performed according to the signal sent by the external dimmer 030, so that the external dimming chip dims the light-dimming lamp plate 020.
According to the utility model, the primary circuit 100 of the dimming power supply is arranged to supply power to the color temperature switching dimming circuit 200, the color temperature switching dimming circuit 200 can control the power conversion circuit 300 according to a signal for triggering a wall switch when a user triggers the wall switch by setting the color temperature switching dimming circuit 200, so that the color temperature of a lamp on a lamp panel 020 to be dimmed is further dimmed, the 0-10V dimming circuit 400 is arranged to receive a signal of an external dimmer 030, and the requirement of dimming at 0-10V is met, so that the requirement of dimming the color temperature under the control of the wall switch is met, meanwhile, the dimming at 0-10V is also achieved, various dimming selections are provided for the user, the use requirement of the user is met, and the user experience is improved.
In another embodiment of the present invention, as shown in fig. 1-2, the power conversion circuit 300 includes a sixth MOS transistor Q6, an optical coupler U7, and a seventh transistor Q7, the sixth MOS transistor Q6 is connected to the 0-10V dimming circuit 400, the optical coupler U7 is connected to both the sixth MOS transistor Q6 and the 0-10V dimming circuit 400, the seventh transistor Q7 is connected to the optical coupler U7, and the seventh transistor Q7 is further connected to the color temperature switching dimming circuit 200. A second pin of the optocoupler U7 is connected with the fourteenth diode D14, a first pin of the optocoupler U7 is connected with a collector of the seventh triode Q7, and a third pin of the optocoupler U7 is grounded.
In another embodiment of the present invention, as shown in fig. 1-2, the color temperature switching dimming circuit 200 includes a power output filter circuit 210 and a color temperature control circuit 220, the power output filter circuit 210 is connected to the primary dimming power supply circuit 100, and the power output filter circuit 210 is further connected to a lamp panel 020 to be dimmed; the color temperature control circuit 220 is connected with the power output filter circuit 210, the power conversion circuit 300 and the lamp panel 020 to be dimmed.
In another embodiment of the present invention, as shown in fig. 1-2, the color temperature control circuit 220 includes a color temperature control chip U5, a fifth MOS transistor Q5, a fourth MOS transistor Q4, a lamp panel positive connection section V +, a first negative connection terminal V-and a second negative connection terminal V2-.
The color temperature control chip U5 is connected to the power output filter circuit 210, the gate of the fifth MOS transistor Q5 is connected to the first pin of the color temperature control chip U5, the source of the fifth MOS transistor Q5 is grounded, the gate of the fourth MOS transistor Q4 is connected to the second pin of the color temperature control chip U5, and the source of the fourth MOS transistor Q4 is grounded.
Anodal linkage segment V + of lamp plate with power output filter circuit 210 connects, anodal linkage segment V + of lamp plate still with treat the lamp plate 020 of adjusting luminance, first negative pole link V-connect behind an eighteenth diode D18 with the base of seventh triode is connected, eighteenth diode D18 still with fifth MOS pipe Q5's drain electrode is connected, second negative pole link V2-with treat the lamp plate 020 of adjusting luminance, second negative pole link V2-connect behind a seventeenth diode D17 with the base of seventh triode Q7 is connected, seventeenth diode D17's positive pole still with fourth MOS pipe Q4's drain electrode is connected. Anodal linkage segment V + of lamp plate connects the positive pole of treating the dimming lamp on treating dimming lamp plate 020, first negative pole link V-with second negative pole link V2-connect the negative pole of treating the dimming lamp on treating dimming lamp plate 020.
In another embodiment of the present invention, the power output filter circuit 210 is configured to obtain the voltage output by the primary circuit 100 of the dimming power supply, and supply power to the color temperature switching dimming circuit 200 and the lamp panel 020 to be dimmed.
In the present embodiment, a circuit structure of the power output filter circuit 210 is provided, and specifically, the power output filter circuit 210 includes a first winding T1, a fifty-third resistor R53, a forty-seventh resistor R47, a fourteenth diode D14, and a forty-ninth resistor R49.
The first winding T1 is connected to the primary circuit 100 of the dimming power supply, one end of the fifty-third resistor R53 is connected to the first winding T1, the forty-seventh resistor R47 is connected to the fifty-third resistor R53, and the forty-seventh resistor R47 is further connected to the fourth pin of the color temperature control chip U5. One end of the fourteenth diode D14 is connected to the first winding T1, the forty-ninth resistor R49 is connected to the fourteenth diode D14, and the forty-ninth resistor R49 is further connected to a third pin of the color temperature control chip U5.
Specifically, the primary circuit 100 of the dimming power supply has a transformer (not shown), a secondary winding of the transformer is the first winding T1, that is, the voltage of the primary circuit 100 of the dimming power supply is led in through the first winding T1, and then sequentially passes through the fourteenth diode D14 to the lamp panel 020 to be dimmed, and further passes through the fourteenth diode D14 and the forty-ninth resistor R49 to supply power to the color temperature control chip U5.
Further, after the wall switch is triggered, the voltage in the primary circuit 100 of the dimming power supply changes, the voltage transmitted to the power output filter circuit 210 through the transformer in the primary circuit 100 of the dimming power supply changes, and then the current and voltage on the fifty-third resistor R53 and the forty-seventh resistor R47 change, and then the signal detected by the fourth pin of the color temperature control chip U5 changes, so that the color temperature control chip U5 performs dimming on the light modulation panel according to the signal triggered by the wall switch.
It should be noted that the voltage obtained by the power output filter circuit 210 at the primary circuit 100 of the dimming power supply is not limited to the above voltage transmission between the primary winding and the secondary winding of the transformer, and other power supply modes may be set by those skilled in the art as needed to supply power to the power output filter circuit 210, as long as the power output filter circuit 210 can work normally.
In another embodiment of the present invention, as shown in fig. 1-2, the 0-10V dimming circuit 400 includes a dimming power supply circuit 310 and a dimming control circuit 320, the dimming power supply circuit 310 is connected to both the dimming power supply primary circuit 100 and the power conversion circuit 300, the dimming control circuit 320 is connected to both the dimming power supply circuit 310 and the power conversion circuit 300, and the dimming control circuit 320 is further connected to an external dimmer 030 and an external dimming chip 040. Specifically, the dimming power supply circuit 310 is configured to obtain a voltage output by the dimming power supply primary circuit 100, and supply power to the dimming control circuit 320 and the optocoupler U7.
In another embodiment of the present invention, as shown in fig. 1-2, the dimming control circuit 320 includes a dimming positive terminal DIM +, a dimming negative terminal DIM-, a dimming control chip U4 and a dimming output terminal V cout, the dimming positive terminal DIM + and the dimming negative terminal DIM-are both connected to the external dimmer 030, the fifth pin of the dimming control chip U4 is connected with the dimming positive terminal DIM +, the first pin of the dimming control chip U4 is connected with the dimming negative terminal DIM-, the dimming control chip U4 is further connected to the dimming power supply circuit 310, the seventh pin of the dimming control chip U4 is further connected to the drain of the sixth MOS transistor Q6, the dimming output terminal V-cout is connected to the sixth pin of the dimming control chip U4, and the dimming output terminal V-cout is connected to the external dimming chip 040.
In another embodiment of the present invention, as shown in fig. 1-2, the dimming power supply circuit 310 includes a power supply winding T2 and a sixteenth diode D16; the power supply winding T2 is connected to the dimming power supply primary circuit 100, the anode of the sixteenth diode D16 is connected to the first end of the power supply winding T2, and the cathode of the sixteenth diode D16 is connected to a sixty-three resistor R63 and then connected to the optocoupler U7; the cathode of the sixteenth diode D16 is further connected to a sixteenth resistor R61, a fifty-seventh resistor R57 and a sixty-second resistor R62 in sequence and then connected to the drain of the sixth MOS transistor Q6, the fifty-seventh resistor R57 is further connected to a forty-second resistor R42 and then connected to the seventh pin of the dimming control chip U4, and the cathode of the sixteenth diode D16 is further connected to the eighth pin of the dimming control chip U4. Specifically, the voltage output by the dimming power supply primary circuit 100 is transmitted to the dimming power supply circuit 310 through the power supply winding T2.
Further, when a user adjusts the wall switch 010, a fourth pin of the color temperature control chip U5 detects that a current voltage on a path of the fifty-third resistor R53 and the forty-seventh resistor R47 changes, and the color temperature control chip U5 sends an electrical signal to the fifth MOS transistor Q5 and the fourth MOS transistor Q4, so that the fifth MOS transistor Q5 and the fourth MOS transistor Q4 are turned on or off, thereby adjusting the light.
Further, when the color temperature control chip U5 sends an electrical signal to control the fifth MOS transistor Q5 and the fourth MOS transistor Q4 to be turned off, the eighteenth diode D18 and the seventeenth diode D17 are turned on, the seventh triode Q7 is turned on, so that the optical coupler U7 is turned on, the sixth MOS transistor Q6 is turned off, and the seventh pin of the dimming control chip U4 detects the state of the sixth MOS transistor Q6 to output a corresponding dimming control signal to the external dimming chip 040, thereby achieving color temperature adjustment and dimming of the to-be-dimmed lamp on the to-be-dimmed board.
Further, when the user triggers the wall switch 010, the output states are switched according to the sequence of white light, warm light, white light + warm light, and white light, thereby realizing the adjustment of the color temperature.
In another embodiment of the utility model, the utility model further provides an LED driving power supply, which includes the above 0-10V dimming circuit with wall switch dimming function.
It should be noted that, regarding the program control portion in the present application, that is, regarding the program programming portion of the dimming control chip U4 and the color temperature control chip U5, a person skilled in the art selects a corresponding model according to needs, for example, the dimming control chip U4 selects SY5867S, the color temperature control chip U5 selects S4120MB, and correspondingly programs according to a data manual, so as to implement a corresponding control function, because the control portion is a mature and formed technology in the prior art, and the portion is not a protection focus in the present application, the present application does not specifically describe this portion.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a take 0-10V dimming circuit of wall switch dimming function, includes the power primary circuit that adjusts luminance, the power primary circuit that adjusts luminance is connected with the wall switch, its characterized in that still includes:
the color temperature switching dimming circuit is connected with the primary circuit of the dimming power supply and is also connected with the lamp panel to be dimmed;
the power conversion circuit is connected with the color temperature switching dimming circuit;
the 0-10V dimming circuit is connected with the primary circuit of the dimming power supply and the power conversion circuit, and the 0-10V dimming circuit is also connected with an external dimmer and an external dimming chip.
2. The 0-10V dimming circuit with wall switch dimming function according to claim 1, wherein the power conversion circuit comprises a sixth MOS transistor, an optocoupler and a seventh transistor, the sixth MOS transistor is connected to the 0-10V dimming circuit, the optocoupler is connected to both the sixth MOS transistor and the 0-10V dimming circuit, the seventh transistor is connected to the optocoupler, and the seventh transistor is further connected to the color temperature switching dimming circuit.
3. The 0-10V dimming circuit with the wall switch dimming function according to claim 2, wherein the color temperature switching dimming circuit comprises a power output filter circuit and a color temperature control circuit, the power output filter circuit is connected with the primary circuit of the dimming power supply, and the power output filter circuit is further connected with a lamp panel to be dimmed; the color temperature control circuit is connected with the power output filter circuit, the power conversion circuit and the lamp panel to be dimmed.
4. The 0-10V dimming circuit with the wall switch dimming function according to claim 3, wherein the color temperature control circuit comprises a color temperature control chip, a fifth MOS transistor, a fourth MOS transistor, a lamp panel positive electrode connecting section, a first negative electrode connecting end and a second negative electrode connecting end; the color temperature control chip is connected with the power output filter circuit, the grid electrode of the fifth MOS tube is connected with the first pin of the color temperature control chip, the source of the fifth MOS tube is grounded, the grid electrode of the fourth MOS tube is connected with the second pin of the color temperature control chip, the source of the fourth MOS tube is grounded, the positive connecting section of the lamp panel is connected with the power output filter circuit, the positive connecting section of the lamp panel is also connected with the lamp panel to be dimmed, the first negative connecting end is connected with the base electrode of the seventh triode after being connected with an eighteenth diode, the eighteenth diode is also connected with the drain electrode of the fifth MOS tube, the second negative connecting end is connected with the lamp panel to be dimmed, the second negative connecting end is connected with the base electrode of the seventh triode after being connected with a seventeenth diode, the anode of the seventeenth diode is also connected with the drain of the fourth MOS tube.
5. The 0-10V dimming circuit with wall switch dimming function of claim 4, wherein the 0-10V dimming circuit comprises a dimming power supply circuit and a dimming control circuit, the dimming power supply circuit is connected with the dimming power supply primary circuit and the power conversion circuit, the dimming control circuit is connected with the dimming power supply circuit and the power conversion circuit, and the dimming control circuit is further connected with an external dimmer and an external dimming chip.
6. The 0-10V dimming circuit with a wall switch dimming function according to claim 5, wherein the dimming control circuit comprises a dimming positive terminal, a dimming negative terminal, a dimming control chip and a dimming output terminal, the dimming positive terminal and the dimming negative terminal are both connected with an external dimmer, the fifth pin of the dimming control chip is connected with the dimming positive terminal, the first pin of the dimming control chip is connected with the dimming negative terminal, the dimming control chip is further connected with the dimming power supply circuit, the seventh pin of the dimming control chip is further connected with the drain electrode of the sixth MOS tube, and the dimming output terminal is connected with the sixth pin of the dimming control chip.
7. The 0-10V dimming circuit with wall switch dimming function of claim 6, wherein the dimming supply circuit comprises a supply winding and a sixteenth diode; the power supply winding is connected with the primary circuit of the dimming power supply, the anode of the sixteenth diode is connected with the first end of the power supply winding, and the cathode of the sixteenth diode is connected with the optocoupler after being connected with a sixty-three resistor; the cathode of the sixteenth diode is connected with the drain of the sixth MOS transistor after being sequentially connected with a sixty-first resistor, a fifty-seventh resistor and a sixty-second resistor, the fifty-seventh resistor is connected with a forty-second resistor and then connected with the seventh pin of the dimming control chip, and the cathode of the sixteenth diode is connected with the eighth pin of the dimming control chip.
8. An LED driving power supply, characterized in that the LED driving power supply comprises the 0-10V dimming circuit with wall switch dimming function according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123369580.6U CN216650047U (en) | 2021-12-29 | 2021-12-29 | 0-10V dimming circuit with wall switch dimming function and LED driving power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123369580.6U CN216650047U (en) | 2021-12-29 | 2021-12-29 | 0-10V dimming circuit with wall switch dimming function and LED driving power supply |
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| Publication Number | Publication Date |
|---|---|
| CN216650047U true CN216650047U (en) | 2022-05-31 |
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| CN202123369580.6U Active CN216650047U (en) | 2021-12-29 | 2021-12-29 | 0-10V dimming circuit with wall switch dimming function and LED driving power supply |
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| Country | Link |
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| CN (1) | CN216650047U (en) |
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2021
- 2021-12-29 CN CN202123369580.6U patent/CN216650047U/en active Active
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