A LED driving power supply structure

Abstract

The utility model discloses an LED driving power supply structure, comprising a driving power supply module, wherein the driving power supply module has a first input end, a second input end, a first output interface and a second output interface, wherein the first input end of the driving power supply module is used to be connected to a dimmer; a function control module is electrically plugged between the first output interface and the second output interface; the function control module has a positive output end and a negative output end; the positive output end of the function control module is connected to the positive end of a two-color LED module, and the negative output end of the function control module is connected to the negative end of the two-color LED module; the overall structure is more compact and the structure is more flexible to use.

Description

Technical Field

[0001] The utility model relates to the technical field of driving power supplies, in particular to a LED driving power supply structure. Background Art

[0002] In recent years, with the development of smart home technology and the improvement of people's demand for lighting environment, color temperature adjustment has become one of the important functions of modern lighting systems. The color temperature adjustment function allows users to adjust the color temperature of the light according to different scenes and personal preferences, thereby creating a more suitable lighting environment.

[0003] However, the existing LED driving power module and function control module are independently arranged, that is, the function control module is placed outside the driving power module, and the function control module is welded and connected to the LED driving power module through wires, which requires more installation space. In addition, the existing function control module is welded and integrated, and cannot be flexibly replaced and maintained according to the actual usage needs of the user. Summary of the invention

[0004] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide an LED driving power supply structure with a more compact overall structure and more flexible use.

[0005] To achieve the above purpose, the specific scheme of the utility model is as follows:

[0006] The first aspect of the utility model provides an LED driving power structure, including a driving power module, the driving power module having a first input end, a second input end, a first output interface and a second output interface, the first input end of the driving power module is used to connect to a dimmer; a function control module is electrically plugged between the first output interface and the second output interface;

[0007] The function control module has a positive output terminal and a negative output terminal; the positive output terminal of the function control module is connected to the positive terminal of the dual-color LED module, and the negative output terminal of the function control module is connected to the negative terminal of the dual-color LED module.

[0008] Optionally, the driving power supply module includes a rectifier and filter module, a transformer module and a driving chip module; the rectifier and filter module is connected to the transformer module, and the driving chip module is connected to the transformer module and the rectifier and filter module; the first input end and the second input end are electrically connected to the rectifier and filter module respectively, and the output winding of the transformer module leads to a first output interface and a second output interface.

[0009] Optionally, the functional control module is a light control module, which includes a light control unit, a first MOS tube and a photosensor connected to the light control unit, the first end of the light control unit is connected to the first output interface and leads to the positive output end, the second end of the light control unit is connected to the second output interface and the source of the first MOS tube, the third end of the light control unit is connected to the gate of the first MOS tube, and the drain of the first MOS tube leads to the negative output end.

[0010] Optionally, the function control module is a DIP switch for adjusting the color temperature of the dual-color LED module.

[0011] Optionally, the dip switch is a five-speed toggle unit; the five-speed toggle unit includes a first control unit, a five-speed toggle switch, a second MOS tube and a third MOS tube; the five-speed toggle switch is connected to the first control unit, the first end of the first control unit is connected to the first output interface and leads to the positive output end, the second end of the first control unit is connected to the gate of the second MOS tube, the third end of the first control unit is connected to the gate of the third MOS tube, the second output interface is connected to the source of the second MOS tube, the source of the third MOS tube and the five-speed toggle switch, and the drain of the second MOS tube and the drain of the third MOS tube respectively lead to the negative output end.

[0012] Optionally, the function control module is a wall switch module for adjusting the color temperature of the dual-color LED module; the wall switch module includes a second control unit, a fourth MOS tube and a fifth MOS tube, the first end of the second control unit is connected to the first output interface and leads to the positive output end, the second end of the second control unit is connected to the gate of the fourth MOS tube, the third end of the second control unit is connected to the gate of the fifth MOS tube, the source of the fourth MOS tube and the source of the fifth MOS tube are both connected to the second output interface, and the drain of the fourth MOS tube and the drain of the fifth MOS tube respectively lead to the negative output end.

[0013] Optionally, the wall switch module further includes a sixth MOS tube; the fourth end of the second control unit is connected to the gate of the sixth MOS tube, the source of the sixth MOS tube is connected to the second output interface, and the drain of the sixth MOS tube leads to the negative output end;

[0014] The positive output end is connected to the positive terminal of the night light module, and the drain of the sixth MOS tube is connected to the negative terminal of the night light module.

[0015] The beneficial effects of the utility model are as follows: the utility model electrically plugs the function control module through the first output interface and the second output interface, so that the function control module is placed on the driving power module, the overall structure is more compact, and the user can replace different function control modules according to actual needs, and the structure is more flexible to use.

[0016] The second aspect of the utility model provides an LED driving power supply structure, including a driving power supply module, the driving power supply module having a first input end, a second input end, a first output interface and a second output interface, the first input end of the driving power supply module is used to connect to a dimmer; the first output interface is a positive output end for connecting to a positive end of a dual-color LED module; the second output interface is electrically plugged with a dip switch;

[0017] The dip switch is a three-position toggle switch, and the three-position toggle switch leads to two negative output terminals respectively connected to the negative terminals of the two-color LED module.

[0018] The beneficial effects of the utility model are as follows: the utility model places the three-speed toggle switch on the driving power module by electrically plugging the three-speed toggle switch into the second output interface of the driving power module, so that the overall structure is more compact, and the three-speed toggle switch can be assembled and replaced, and the structure is more flexible to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the principle of the LED driving power supply structure provided by the first aspect of the embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the principle of the LED driving power supply structure provided by the first embodiment of the utility model;

[0021] Figure 3 This is an example diagram of a light control module provided in the first embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the principle of the LED driving power supply structure provided by the second embodiment of the utility model;

[0023] Figure 5 This is an example diagram of a five-speed toggle unit provided in the second embodiment of the present utility model;

[0024] Figure 6 This is a schematic diagram of the principle of the LED driving power supply structure provided by the third embodiment of the present utility model;

[0025] Figure 7 This is an example diagram of an LED driving power supply structure provided by Embodiment 3 of the present utility model;

[0026] Figure 8This is a schematic diagram of the principle of the LED driving power supply structure provided by the fourth embodiment of the utility model;

[0027] Fig. 9 This is an example diagram of the LED driving power supply structure provided by the fourth embodiment of the present utility model;

[0028] Fig.10 It is a schematic diagram of the principle of the LED driving power supply structure provided by the second aspect of the embodiment of the utility model;

[0029] Explanation of the reference numerals: 11. Rectification and filtering module; 12. Transformer module; 13. Driver chip module; 2. Dimmer; 31. Light control module; 311. Light control unit; 312. First MOS tube; 313. Photo sensor; 32. Five-speed toggle unit; 321. First control unit; 322. Five-speed toggle switch; 323. Second MOS tube; 324. Third MOS tube; 33. Wall switch module; 331. Second control unit; 332. Fourth MOS tube; 333. Fifth MOS tube; 334. Sixth MOS tube; 5. Three-speed toggle switch; 10. Dual-color LED module; 20. Night light module. DETAILED DESCRIPTION

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the scope of implementation of the present invention is not limited thereto.

[0031] like Figures 1 to 9 As shown, the first aspect of the embodiment of the utility model provides an LED driving power structure, including a driving power module, the driving power module having a first input end, a second input end, a first output interface and a second output interface, the first input end of the driving power module is used to connect to the dimmer 2; a function control module is electrically plugged between the first output interface and the second output interface;

[0032] The function control module has a positive output terminal and a negative output terminal; the positive output terminal of the function control module is connected to the positive terminal of the dual-color LED module 10, and the negative output terminal of the function control module is connected to the negative terminal of the dual-color LED module 10.

[0033] Specifically, the dimmer 2 is a thyristor dimmer 2, which can realize stepless dimming of the dual-color LED module 10. By rotating or turning the dimming knob of the dimmer 2, the light can be evenly changed from small to large or from large to small, thereby realizing the adjustment of the brightness of the dual-color LED module 10.

[0034] It should be noted that the dual-color LED module 10 includes warm light LEDs and cold light LEDs arranged in parallel. The number of warm light LEDs and cold light LEDs can be automatically set according to actual design needs. Several warm light LEDs are connected in series, and several cold light LEDs are connected in series. After the series connection, the positive end of the warm light LED and the positive end of the cold light LED after the series connection are connected to the positive output end of the function control module, and the negative end of the warm light LED and the negative end of the cold light LED after the series connection are connected to the negative output end of the function control module.

[0035] When the LED driving power supply structure of this embodiment is actually used, the dimmer 2 is connected to the L line of the external input power supply, and the second input terminal is connected to the N line of the external input power supply. The driving power supply module rectifies and filters the external input power supply and outputs the driving voltage required by the two-color LED module 10 through the first output interface and the second output interface. At the same time, the function control module is electrically plugged in through the first output interface and the second output interface, so that the function control module is placed on the driving power supply module. The overall structure is more compact, and the user can replace different function control modules according to actual needs, and the structure is more flexible to use.

[0036] The LED driving power supply structure described in this embodiment, specifically, the driving power supply module includes a rectifier and filter module 11, a transformer module 12 and a driving chip module 13; the rectifier and filter module 11 is connected to the transformer module 12, and the driving chip module 13 is connected to the transformer module 12 and the rectifier and filter module 11; the first input end and the second input end are electrically connected to the rectifier and filter module 11 respectively, and the output winding of the transformer module 12 leads to a first output interface and a second output interface.

[0037] Embodiment 1, as Figure 2 and Figure 3 As shown, an LED driving power structure described in this embodiment includes a driving power module, the driving power module has a first input end, a second input end, a first output interface and a second output interface, the first input end of the driving power module is used to connect to the dimmer 2; a light control module 31 is electrically plugged between the first output interface and the second output interface;

[0038] The light control module 31 has a positive output terminal and a negative output terminal; the positive output terminal of the light control module 31 is connected to the positive terminal of the dual-color LED module 10, and the negative output terminal of the light control module 31 is connected to the negative terminal of the dual-color LED module 10;

[0039] The light control module 31 includes a light control unit 311, a first MOS tube 312 and a photosensitive element 313 connected to the light control unit 311. The first end of the light control unit 311 is connected to the first output interface and leads to the positive output end. The second end of the light control unit 311 is connected to the second output interface and the source of the first MOS tube 312. The third end of the light control unit 311 is connected to the gate of the first MOS tube 312. The drain of the first MOS tube 312 leads to the negative output end.

[0040] In this embodiment, the function control module is set as the light control module 31, so as to utilize the light sensor 313 to sense the external environment, so as to control the brightness of the dual-color LED module 10 through the light control unit 311. For example, at night, the light control unit 311 controls the dual-color LED module 10 to light up and provide lighting, and the brightness can be adjusted by the dimmer 2; at daybreak, the light control unit 311 controls the dual-color LED module 10 to turn off to save energy.

[0041] For example, Figure 3 The collector of the transistor Q3 in the light control unit 311 is connected to the first output interface through the series resistor R1, and the ground end of the light control unit 311 is connected to the second output interface as the second end. The first MOS tube 312 is Figure 3 MOS tube Q1 in.

[0042] Embodiment 2, as Figure 4 and Figure 5 As shown, an LED driving power structure described in this embodiment includes a driving power module, the driving power module has a first input end, a second input end, a first output interface and a second output interface, the first input end of the driving power module is used to connect to the dimmer 2; a dip switch for adjusting the color temperature of the dual-color LED module 10 is electrically plugged between the first output interface and the second output interface; the dip switch is a five-speed toggle unit 32;

[0043] The five-speed toggle unit 32 has a positive output terminal and a negative output terminal; the positive output terminal of the five-speed toggle unit 32 is connected to the positive terminal of the two-color LED module 10, and the negative output terminal of the five-speed toggle unit 32 is connected to the negative terminal of the two-color LED module 10;

[0044] Specifically, the five-speed toggle unit 32 includes a first control unit 321, a five-speed toggle switch 322, a second MOS tube 323 and a third MOS tube 324; the five-speed toggle switch 322 is connected to the first control unit 321, the first end of the first control unit 321 is connected to the first output interface and leads to the positive output end, the second end of the first control unit 321 is connected to the gate of the second MOS tube 323, the third end of the first control unit 321 is connected to the gate of the third MOS tube 324, the second output interface is connected to the source of the second MOS tube 323, the source of the third MOS tube 324 and the five-speed toggle switch 322, and the drain of the second MOS tube 323 and the drain of the third MOS tube 324 are respectively led to the negative output end; for example, the negative output end led from the drain of the second MOS tube 323 is connected to the negative end of the warm light LED connected in series, and the negative output end led from the drain of the third MOS tube 324 is connected to the negative end of the cold light LED connected in series.

[0045] Therefore, in actual use, the five-speed toggle switch 322 is adjusted to different gears, and the first control unit 321 controls the second MOS tube 323 and the third MOS tube 324 to control the different proportions of warm light and cold light, so as to realize different color temperature display of the two-color LED module 10. The five gears can display five different color temperatures, and the color temperature of each gear can be adjusted according to different needs of users by adjusting the parameters of the five-speed toggle unit 32. For example, the second MOS tube 323 is Figure 5 The MOS tube Q2 in the middle, the third MOS tube 324 is Figure 5 MOS tube Q3 in.

[0046] Embodiment three, as Figure 6 and Figure 7 As shown, an LED driving power structure described in this embodiment includes a driving power module, the driving power module has a first input end, a second input end, a first output interface and a second output interface, the first input end of the driving power module is used to connect to the dimmer 2; a wall switch module 33 for adjusting the color temperature of the dual-color LED module 10 is electrically plugged between the first output interface and the second output interface;

[0047] The wall switch module 33 has a positive output terminal and a negative output terminal; the positive output terminal of the wall switch module 33 is connected to the positive terminal of the dual-color LED module 10, and the negative output terminal of the wall switch module 33 is connected to the negative terminal of the dual-color LED module 10;

[0048] The wall switch module 33 includes a second control unit 331, a fourth MOS tube 332 and a fifth MOS tube 333. The first end of the second control unit 331 is connected to the first output interface and leads to the positive output end. The second end of the second control unit 331 is connected to the gate of the fourth MOS tube 332. The third end of the second control unit 331 is connected to the gate of the fifth MOS tube 333. The source of the fourth MOS tube 332 and the source of the fifth MOS tube 333 are both connected to the second output interface. The drain of the fourth MOS tube 332 and the drain of the fifth MOS tube 333 lead to the negative output end respectively; for example, the negative output end led by the drain of the fourth MOS tube 332 is connected to the negative end of the warm light LED connected in series, and the negative output end led by the drain of the fifth MOS tube 333 is connected to the negative end of the cold light LED connected in series.

[0049] Therefore, in actual use, the second control unit 331 controls the color temperature change of the dual-color LED module 10 by controlling the switching of the fourth MOS tube 332 and the fifth MOS tube 333; for example, the wall switch module 33 switches on and off once for warm light, the second time for neutral light, and the third time for cold light. The interval time of each switch can be set within 6.4s, and the state memory function can be set. For example, if the light is turned off for more than 6.4s, the state before turning off the light will be remembered, and the state before turning off the light will be directly presented when the light is turned on next time. At this time, the initial state can be restored by switching on and off twice in 1s, so that the reset function can be set. Exemplary, Figure 7 An example diagram of an LED driver power supply structure is given, such as Figure 7 The drain of the MOS tube Q2 in the embodiment is connected to the first output interface as the first end and leads to the positive output end. The fourth MOS tube 332 is Figure 7 The MOS tube QY in the middle, the fifth MOS tube 333 is Figure 7 MOS tube QW in.

[0050] Embodiment 4, as Figure 8 and Fig. 9 As shown, this embodiment is based on the third embodiment, and further, the wall switch module 33 also includes a sixth MOS tube 334; the fourth end of the second control unit 331 is connected to the gate of the sixth MOS tube 334, the source of the sixth MOS tube 334 is connected to the second output interface, and the drain of the sixth MOS tube 334 leads to the negative output end;

[0051] The positive output end is connected to the positive terminal of the night light module 20 , and the drain of the sixth MOS tube 334 is connected to the negative terminal of the night light module 20 .

[0052] Specifically, in actual use, the wall switch module 33 can be set to switch on and off continuously in four states: yellow light, white light, neutral light, and night light, so as to achieve the combination of the dual-color LED module 10 and the night light module 20; if the light is turned off for more than 6.4 seconds, the state before the light is turned off will be remembered, and the state before the light is turned off will be directly displayed when the light is turned on next time. At this time, the initial state can be restored by switching on and off twice continuously within 1 second, so that the reset function can be set. For example, Fig. 9 An example diagram of an LED driving power supply structure is given, and the sixth MOS tube 334 is as follows Fig. 9 MOS tube QP in.

[0053] like Fig.10 As shown, the second aspect of the embodiment of the utility model provides an LED driving power structure, including a driving power module, the driving power module having a first input end, a second input end, a first output interface and a second output interface, the first input end of the driving power module is used to connect to the dimmer 2; the first output interface is a positive output end for connecting to the positive end of the two-color LED module 10; the second output interface is electrically plugged with a dip switch; the dip switch is a three-speed dip switch 5;

[0054] The three-speed toggle switch 5 leads to two negative output terminals respectively connected to the negative terminals of the dual-color LED module 10 .

[0055] Specifically, one negative output terminal of the three-speed toggle switch 5 is connected to the negative terminal of the warm light LED connected in series, and the other negative output terminal of the three-speed toggle switch 5 is connected to the negative terminal of the cold light LED connected in series. In actual use, the three-speed toggle switch 5 can be set to the first gear, so that the second output interface is electrically connected to the negative terminal of the warm light LED connected in series, and warm light is on; when it is toggled to the third gear, the three-speed toggle switch 5 is electrically connected to the negative terminal of the cold light LED connected in series, and cold light is on; when it is toggled to the second gear, the three-speed toggle switch 5 is electrically connected to the negative terminal of the warm light LED connected in series and the negative terminal of the cold light LED connected in series, and neutral light is on.

[0056] In this embodiment, the three-speed toggle switch 5 is electrically connected to the second output interface of the driving power module, thereby placing the three-speed toggle switch 5 on the driving power module. The overall structure is more compact, and the three-speed toggle switch 5 is easy to assemble and replace, and the structure is more flexible to use.

[0057] The above is only a preferred embodiment of the present utility model, so any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the protection scope of the present utility model patent application.

Claims

1. An LED driving power supply structure, characterized in that: It includes a driving power module, the driving power module has a first input end, a second input end, a first output interface and a second output interface, the first input end of the driving power module is used to connect to the dimmer; a function control module is electrically plugged between the first output interface and the second output interface; The function control module has a positive output terminal and a negative output terminal; the positive output terminal of the function control module is connected to the positive terminal of the dual-color LED module, and the negative output terminal of the function control module is connected to the negative terminal of the dual-color LED module.

2. The LED driving power supply structure according to claim 1, characterized in that: The driving power supply module includes a rectifier and filter module, a transformer module and a driving chip module; the rectifier and filter module is connected to the transformer module, and the driving chip module is connected to the transformer module and the rectifier and filter module; the first input end and the second input end are electrically connected to the rectifier and filter module respectively, and the output winding of the transformer module leads to a first output interface and a second output interface.

3. The LED driving power supply structure according to claim 1, characterized in that: The functional control module is a light control module, which includes a light control unit, a first MOS tube and a photosensitive element connected to the light control unit. The first end of the light control unit is connected to the first output interface and leads to the positive output end. The second end of the light control unit is connected to the second output interface and the source of the first MOS tube. The third end of the light control unit is connected to the gate of the first MOS tube, and the drain of the first MOS tube leads to the negative output end.

4. The LED driving power supply structure according to claim 1, characterized in that: The function control module is a DIP switch for adjusting the color temperature of the dual-color LED module.

5. The LED driving power supply structure according to claim 4, characterized in that: The dip switch is a five-speed toggle unit; the five-speed toggle unit includes a first control unit, a five-speed toggle switch, a second MOS tube and a third MOS tube; the five-speed toggle switch is connected to the first control unit, the first end of the first control unit is connected to the first output interface and leads to the positive output end, the second end of the first control unit is connected to the gate of the second MOS tube, the third end of the first control unit is connected to the gate of the third MOS tube, the second output interface is connected to the source of the second MOS tube, the source of the third MOS tube and the five-speed toggle switch, and the drain of the second MOS tube and the drain of the third MOS tube respectively lead to the negative output end.

6. The LED driving power supply structure according to claim 1, characterized in that: The function control module is a wall switch module for adjusting the color temperature of the dual-color LED module; the wall switch module includes a second control unit, a fourth MOS tube and a fifth MOS tube, the first end of the second control unit is connected to the first output interface and leads to the positive output end, the second end of the second control unit is connected to the gate of the fourth MOS tube, the third end of the second control unit is connected to the gate of the fifth MOS tube, the source of the fourth MOS tube and the source of the fifth MOS tube are both connected to the second output interface, and the drain of the fourth MOS tube and the drain of the fifth MOS tube respectively lead to the negative output end.

7. The LED driving power supply structure according to claim 6, characterized in that: The wall switch module further includes a sixth MOS tube; the fourth end of the second control unit is connected to the gate of the sixth MOS tube, the source of the sixth MOS tube is connected to the second output interface, and the drain of the sixth MOS tube leads to the negative output end; The positive output end is connected to the positive terminal of the night light module, and the drain of the sixth MOS tube is connected to the negative terminal of the night light module.

8. An LED driving power supply structure, characterized in that: The invention comprises a driving power module, wherein the driving power module has a first input end, a second input end, a first output interface and a second output interface, wherein the first input end of the driving power module is used to be connected to a dimmer; the first output interface is a positive output end used to be connected to a positive end of a dual-color LED module; and the second output interface is electrically connected to a dip switch; The dip switch is a three-position toggle switch, and the three-position toggle switch leads to two negative output terminals respectively connected to the negative terminals of the two-color LED module.

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