LED driving power supply with adjustable current

Abstract

The utility model discloses a current-adjustable LED driving power supply, which comprises a lower protective shell, the top end of the lower protective shell is provided with an upper protective shell, the lower protective shell is provided with an adjusting mechanism for adjusting the current of the LED driving power supply, and the adjusting mechanism comprises a constant current control chip. The top end of the constant current control chip is fixedly connected with a plurality of resistors used for resistance value parallel adjustment, the AC / DC control chip is used for conversion between AC and DC, the dimming control chip is used for adjustment of LED light brightness, and the dial switch is used for parallel resistance value adjustment. According to the utility model, the constant current control chip, the AC / DC control chip, the dimming control chip, the resistor and the dial switch cooperate with each other, the constant current control chip protects current, the dial switch is connected in parallel with the resistor, and the dial switch changes the resistance value, so that the output current can be adjusted and changed, and the dimming effect is improved. Therefore, the device is suitable for lamps of different specifications and is convenient to operate.

Description

Technical Field

[0001] The utility model relates to the field of LED driving power supplies, in particular to an LED driving power supply with adjustable current. Background Art

[0002] As we all know, lighting is needed in the dark at night, and lighting lamps will be used, including LED lamps. LED lamps are a kind of luminescent semiconductor material chip. LED lamps are also called light-emitting diodes. When LED lamps are used, LED driving power is required.

[0003] The LED driving power supply in the prior art can provide power to the LED lamp to enable it to operate. The LED power supply in the prior art usually has a fixed power to match the lamp.

[0004] However, when the current of the lamp does not match the current of the existing LED power supply, it cannot be used normally, or an LED driver power supply with similar specifications is used to match the lamp, which will shorten the service life of the lamp. Severe current and voltage deviations will also cause fire hazards, and the lamps that can be matched with the LED driver power supply will be limited. The LED driver power supply is not convenient for current adjustment according to the lamp, and has certain limitations. Utility Model Content

[0005] The purpose of the utility model is to provide an LED driving power supply with adjustable current to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an LED driving power supply with adjustable current, comprising:

[0007] A lower protective shell, wherein an upper protective shell is disposed on the top of the lower protective shell;

[0008] The lower protective shell is provided with an adjustment mechanism for adjusting the current of the LED driving power supply, and the adjustment mechanism includes:

[0009] A constant current control chip, the constant current control chip is used for stable protection of the output current, and a plurality of resistors for parallel resistance adjustment are fixedly connected to the top of the constant current control chip;

[0010] AC / DC control chip, the AC / DC control chip is used for conversion between AC and DC;

[0011] A dimming control chip, which is used to adjust the brightness of the LED light and is located on one side of the AC / DC control chip;

[0012] A dip switch is used for adjusting the resistance value in parallel, and the dip switch is fixedly connected to the top of the constant current control chip.

[0013] Preferably, a first wiring terminal is fixedly connected to the top of the dimming control chip, a plurality of first wiring harness grooves for wiring connection are provided at the top of the first wiring terminal, and a mounting hole is provided at the bottom end of the inner wall of the lower protective shell.

[0014] Preferably, a second wiring terminal is fixedly connected to the top of the constant current control chip, and a plurality of second wiring harness grooves for wiring connection are provided at the top of the second wiring terminal.

[0015] Preferably, the top thread of the dimming control chip is interspersed with a plurality of first bolts, the bottom end of the inner wall of the lower protective shell is provided with a plurality of first circular holes, and one end of the first bolt is interspersed with the inner thread of the first circular hole.

[0016] Preferably, the top end of the AC / DC control chip is threadedly inserted with a plurality of second bolts, the bottom end of the inner wall of the lower protective shell is provided with a plurality of second circular holes, and one end of the second bolt is threadedly inserted with the inner cavity of the second circular hole.

[0017] Preferably, the top thread of the constant current control chip is interspersed with a plurality of third bolts, the bottom end of the inner wall of the lower protective shell is provided with a plurality of third circular holes, and one end of the third bolt is interspersed with the inner thread of the third circular hole.

[0018] Technical effects and advantages of the utility model:

[0019] The utility model utilizes the cooperation of a constant current control chip, an AC / DC control chip, a dimming control chip, a resistor and a dip switch. The constant current control chip protects the current and installs the resistance value. The dip switch is connected in parallel with the resistor. The dip switch changes the resistance value, which is beneficial to adjust and change the output current, and is beneficial to adapt to lamps of different specifications, and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a front sectional structural schematic diagram of the utility model.

[0022] Figure 3 It is a schematic diagram of the top structure of the utility model.

[0023] In the figure: 1. lower protective shell; 2. upper protective shell; 3. mounting hole; 4. adjustment mechanism; 41. constant current control chip; 42. AC / DC control chip; 43. dimming control chip; 44. first wiring terminal; 45. first wiring harness slot; 46. second wiring terminal; 47. second wiring harness slot; 48. dip switch; 5. first bolt; 6. second bolt; 7. third bolt. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides Figure 1-3 An adjustable current LED driving power supply is shown, comprising a lower protective shell 1, an upper protective shell 2 is arranged on the top of the lower protective shell 1, the lower protective shell 1 and the upper protective shell 2 are fixed by a snap connection, and are connected by a sealed connection. The lower protective shell 1 and the upper protective shell 2 are conducive to protecting the constant current control chip 41, the AC / DC control chip 42 and the dimming control chip 43, and are also conducive to the installation and disassembly of the constant current control chip 41, the AC / DC control chip 42 and the dimming control chip 43.

[0026] Furthermore, the lower protective shell 1 is provided with an adjustment mechanism 4 for adjusting the current of the LED driving power supply, and the adjustment mechanism 4 includes a constant current control chip 41. The constant current control chip 41 is conducive to making the adjusted current constant for use, and thus is conducive to stabilizing the current output, facilitating accurate current control, and facilitating operation, so that the LED and the like can operate normally and stably. The top of the constant current control chip 41 is fixedly connected with a second wiring terminal 46, and the second wiring terminal 46 is conducive to connecting with an external wiring harness, so as to facilitate the connection and use of the constant current control chip 41. The top of the second wiring terminal 46 is provided with a plurality of second wiring harness slots 47 for wiring connection, and the second wiring harness slots 47 are conducive to connecting the wiring harness with its interior, so as to facilitate the installation and fixing of the wiring harness. The top of the constant current control chip 41 is fixedly connected with a plurality of resistors for parallel resistance adjustment, and the top of the constant current control chip 41 is threadedly connected with a plurality of third bolts 7, which are conducive to locking and fixing the constant current control chip 41, and thus are conducive to installing and disassembling the constant current control chip 41, and are convenient for removing and maintaining the constant current control chip 41. A plurality of third circular holes are provided at the bottom end of the inner wall of the lower protective shell 1, which are conducive to connecting with the third bolt 7, and one end of the third bolt 7 is threadedly connected with the inner cavity of the third circular hole, AC / DC control chip 42, AC / DC control chip 42 makes AC and D C conversion, which is beneficial for the LED driving power supply to provide a stable output voltage and current, so that the LED lamp can be used smoothly. The AC / DC control chip 42 is used for AC and DC conversion. The top thread of the AC / DC control chip 42 is interspersed with a plurality of second bolts 6. The second bolts 6 are beneficial for the installation and disassembly of the AC / DC control chip 42, and are convenient for removing and maintaining the AC / DC control chip 42. A plurality of second circular holes are provided at the bottom end of the inner wall of the lower protective shell 1. One end of the second bolt 6 is interspersed with the inner cavity thread of the second circular hole. The dimming control chip 43 is used for adjusting the brightness of the LED light. The dimming control chip 43 is located on one side of the AC / DC control chip 42. The top thread of 43 is interspersed with multiple first bolts 5, which are conducive to the installation and disassembly of the dimming control chip 43, and then conducive to the installation and disassembly of the dimming control chip 43, and it is convenient to remove the dimming control chip 43 for maintenance. The bottom end of the inner wall of the lower protective shell 1 is provided with multiple first circular holes, which are conducive to connection with the first bolts 5 and convenient for installation of the first bolts 5. One end of the first bolt 5 is interspersed with the inner cavity thread of the first circular hole. The top of the dimming control chip 43 is fixedly connected with a first wiring terminal 44, which is conducive to connection with an external wiring harness, and is convenient for the dimming control chip 43 to be connected and used. The top of the first wiring terminal 44 is provided with multiple first wiring harness grooves 45 for wiring connection.The inner cavity of the first harness slot 45 is connected to the external harness, which is convenient for connecting and fixing the external harness. The bottom end of the inner wall of the lower protective shell 1 is provided with a mounting hole 3, which is conducive to installing and fixing the lower protective shell 1. The dip switch 48 is conducive to parallel connection with the resistance value, and then it is conducive to changing the current by changing the resistance value, which is convenient for adjusting the output current, and then it is conducive to adapting to the equidistant use of different specifications, and it is convenient to operate. The dip switch 48 is used for parallel resistance adjustment. The dip switch 48 is fixedly connected to the top of the constant current control chip 41.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An LED driving power supply with adjustable current, comprising: A lower protective shell (1), wherein an upper protective shell (2) is arranged on the top of the lower protective shell (1); The invention is characterized in that a regulating mechanism (4) for regulating the current of the LED driving power supply is arranged inside the lower protective shell (1), and the regulating mechanism (4) comprises: A constant current control chip (41), the constant current control chip (41) being used for stable protection of output current, and a plurality of resistors for parallel adjustment of resistance values ​​being fixedly connected to the top of the constant current control chip (41); An AC / DC control chip (42), wherein the AC / DC control chip (42) is used for conversion between AC and DC; A dimming control chip (43), the dimming control chip (43) is used to adjust the brightness of the LED light, and the dimming control chip (43) is located on one side of the AC / DC control chip (42); A dip switch (48), the dip switch (48) is used for adjusting the resistance value of the parallel connection, and the dip switch (48) is fixedly connected to the top of the constant current control chip (41).

2. The LED driving power supply with adjustable current according to claim 1, characterized in that: The top of the dimming control chip (43) is fixedly connected to a first wiring terminal (44), the top of the first wiring terminal (44) is provided with a plurality of first wiring harness slots (45) for wiring connection, and the bottom end of the inner wall of the lower protective shell (1) is provided with a mounting hole (3).

3. The LED driving power supply with adjustable current according to claim 1, characterized in that: A second wiring terminal (46) is fixedly connected to the top of the constant current control chip (41), and a plurality of second wiring harness slots (47) for wiring connection are provided at the top of the second wiring terminal (46).

4. The LED driving power supply with adjustable current according to claim 1, characterized in that: The top end of the dimming control chip (43) is threadedly connected with a plurality of first bolts (5), the bottom end of the inner wall of the lower protective shell (1) is provided with a plurality of first circular holes, and one end of the first bolt (5) is threadedly connected with the inner cavity of the first circular hole.

5. The LED driving power supply with adjustable current according to claim 1, characterized in that: The top end of the AC / DC control chip (42) is threadedly inserted with a plurality of second bolts (6), the bottom end of the inner wall of the lower protective shell (1) is provided with a plurality of second circular holes, and one end of the second bolt (6) is threadedly inserted with the inner cavity of the second circular hole.

6. The LED driving power supply with adjustable current according to claim 1, characterized in that: The top end of the constant current control chip (41) is threadedly connected with a plurality of third bolts (7), the bottom end of the inner wall of the lower protective shell (1) is provided with a plurality of third circular holes, and one end of the third bolt (7) is threadedly connected with the inner cavity of the third circular hole.

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