CN213818621U

CN213818621U - LED power driver

Info

Publication number: CN213818621U
Application number: CN202022925011.4U
Authority: CN
Inventors: 曾浩平
Original assignee: Dongguan Yourun Photoelectric Technology Co ltd
Current assignee: Dongguan Yourun Photoelectric Technology Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-07-27
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a LED power supply driver, which comprises a bottom shell, an upper cover and a PCB board; the bottom shell is provided with an installation cavity with an upward opening, one side of the bottom shell is provided with a through groove in a penetrating manner, and the through groove is communicated with the installation cavity; the PCB is assembled in the mounting cavity and provided with a connecting wire, and the connecting wire extends outwards from the wire through groove; the upper cover is detachably arranged on the bottom shell and covers the opening of the mounting cavity, and is provided with a pressing line convex strip and a pressing plate convex strip; the wire pressing convex strips are inserted into the wire passing through grooves and abut against the surface of the connecting wire to compress the connecting wire. The connecting wires are compressed by the pressing line convex strips, and the PCB is compressed in the mounting cavity by the pressing plate convex strips, so that the assembly operation of the PCB can be completed, and the traditional dispensing mode is replaced; the assembly operation is simpler and more convenient, and the assembly efficiency is improved; moreover, the glue solution can be prevented from permeating into the PCB component, and the yield of the LED power supply driver is improved.

Description

LED power driver

Technical Field

The utility model belongs to the technical field of the driver and specifically relates to indicate a LED power driver.

Background

An LED Driver (LED Driver) is a power supply adjusting electronic device for driving an LED to emit light or an LED module assembly to normally operate. Due to the conduction characteristic of the PN junction of the LED, the voltage and current variation range of a power supply which can be adapted to the PN junction of the LED is very narrow, and the LED cannot be lightened or the luminous efficiency is seriously reduced or the service life is shortened or even a chip is burnt down if the PN junction of the LED deviates a little. Both the current power frequency power supply and the common battery power supply are not suitable for directly supplying the LED, and the LED driver is an electronic component which can drive the LED to work under the optimal voltage or current state. Generally, a PCB of the LED power driver is fixed inside the housing by dispensing; because the whole size of the LED driver is small, the glue is dispensed in a narrow space, the glue often seeps into components of the PCB, and the assembly is very inconvenient. Meanwhile, due to the structural form, subsequent maintenance and overhaul are inconvenient, so that when the LED power supply driver fails, the LED power supply driver needs to be replaced again, and waste is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a LED power driver, which is reasonable in structure and can effectively solve the problem of inconvenience in assembly due to the fact that the existing LED driver is fixed by dispensing.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an LED power supply driver comprises a bottom shell, an upper cover and a PCB board;

the bottom shell is provided with an installation cavity with an upward opening, one side of the bottom shell is provided with a through groove in a penetrating manner, and the through groove is communicated with the installation cavity;

the PCB is assembled in the mounting cavity and provided with a connecting wire, and the connecting wire extends outwards from the wire through groove;

the upper cover is detachably arranged on the bottom shell and covers the opening of the mounting cavity, and the upper cover is provided with a pressing line convex strip and a pressing plate convex strip;

the wire pressing convex strips are inserted into the wire passing through grooves and abut against the surfaces of the connecting wires to tightly press the connecting wires; the pressing plate protruding strips are abutted against the surface of the PCB so as to fix the PCB in the installation cavity.

As a preferred embodiment: the width of the pressing line convex strip is smaller than that of the wire passing through groove, and a clamping area for clamping the connecting wire is enclosed between the pressing line convex strip and the wire passing through groove.

As a preferred embodiment: the wire passing through groove is formed in the front side face of the bottom shell, and the wire pressing convex strips are arranged on the front side of the bottom of the upper cover.

As a preferred embodiment: the through groove penetrates through the top surface of the bottom shell upwards, and the edge of the upper cover covers the top surface of the through groove.

As a preferred embodiment: the bottom of the wire passing through groove is provided with a first arc concave position, and the bottom of the wire pressing convex strip is provided with a second arc concave position.

As a preferred embodiment: the four wire passing through grooves are arranged at left and right intervals, and each wire passing through groove contains one connecting wire.

As a preferred embodiment: the pressing plate convex strip is arranged on the rear side of the bottom of the upper cover.

As a preferred embodiment: the bottom shell is provided with first lock convex parts on the left side and the right side of the installation cavity, and second lock convex parts matched with the first lock convex parts are arranged on the two sides of the bottom of the upper cover.

As a preferred embodiment: the periphery of the bottom of the mounting cavity is provided with a plastic raised line, and the periphery of the bottom of the PCB is supported on the plastic raised line.

As a preferred embodiment: the PCB is arranged at the middle part of the installation cavity and is close to the lower position, and the top of the PCB is at least provided with a transformer, a capacitor and a square fuse.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme: mainly, a wire through groove is arranged on one side of a bottom shell, and a wire pressing convex strip and a pressing plate convex strip are arranged on an upper cover; after the PCB is installed in the installation cavity, the connecting line of the PCB extends outwards from the through line groove; the connecting wires are compressed by the pressing line convex strips, and the PCB is compressed in the mounting cavity by the pressing plate convex strips, so that the assembly operation of the PCB can be completed, and the traditional dispensing mode is replaced; the assembly operation is simpler and more convenient, and the assembly efficiency is improved; moreover, the glue solution can be prevented from permeating into the PCB component, and the yield of the LED power supply driver is improved;

secondly, the connecting line is compressed by the pressing line raised lines, so that the problem that the connecting line falls off due to the fact that the connecting line is pulled in the subsequent use process can be avoided, and the occurrence of line breakage is reduced;

furthermore, the bottom shell and the upper cover form a detachable installation structure by utilizing the first buckling convex part and the second buckling convex part, and compared with the traditional mode of adopting adhesion, the detachable installation structure can be convenient to disassemble, assemble and maintain.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a cross-sectional view of a preferred embodiment of the present invention of an LED power driver;

fig. 2 is a schematic perspective view of a bottom case according to a preferred embodiment of the present invention;

fig. 3 is a front view of the upper cover according to the preferred embodiment of the present invention.

The attached drawings indicate the following:

10. bottom shell 11 and mounting cavity

12. Through groove 121 and first arc concave position

13. First fastening convex part 14 and plastic convex strip

20. Upper cover 21 and press line convex strip

211. Second arc concave position 22 and pressing plate convex strip

23. Second fastening convex part 30 and PCB

31. Connecting wire 32 and transformer

33. Capacitor 34, square fuse.

Detailed Description

Referring to fig. 1 to 3, which show a specific structure of a preferred embodiment of the present invention, the LED power driver includes a bottom case 10, an upper cover 20 and a PCB 30.

The bottom shell 10 is provided with an installation cavity 11 with an upward opening, one side of the bottom shell 10 is provided with a through groove 12 for passing a wire, and the through groove 12 for passing the wire is communicated with the installation cavity 11. In the embodiment of the present application, the PCB board 30 is assembled in the mounting cavity 11, the PCB board 30 is provided with a connecting wire 31, and the connecting wire 31 extends outwards from the wire passing through groove 12; the upper cover 20 is detachably mounted on the bottom shell 10 and covers the opening of the mounting cavity 11, and the upper cover 20 is provided with a pressing line convex strip 21 and a pressing plate convex strip 22; the wire pressing convex strip 21 is inserted into the wire passing through groove 12 and abuts against the surface of the connecting wire 31 to press the connecting wire 31 tightly; the pressing plate protruding strips 22 are abutted against the surface of the PCB 30 to fix the PCB 30 in the mounting cavity 11.

Specifically, the upper cover 20 is provided with a press line convex strip 21 and a press plate convex strip 22; after the PCB 30 is mounted in the mounting cavity 11, the connecting wires 31 of the PCB 30 extend outward from the wire passing through slots 12; the assembly operation of the PCB 30 can be completed by utilizing the pressing line convex strips 21 to compress the connecting lines 31 and utilizing the pressing plate convex strips 22 to compress the PCB 30 in the mounting cavity, so that the traditional dispensing mode is replaced; the assembly operation is simpler and more convenient, and the assembly efficiency is improved; moreover, the glue solution can be prevented from permeating into the PCB 30 components, and the yield of the LED power driver is improved.

The width of the wire pressing convex strip 21 is smaller than that of the wire passing through groove 12, and a clamping area for clamping the connecting wire 31 is defined between the wire pressing convex strip 21 and the wire passing through groove 12. The wire-passing through slot 12 is disposed on the front side of the bottom housing 10, and the wire-pressing protrusion 21 is disposed on the front side of the bottom of the upper cover 20. The wire passing through groove 12 penetrates the top surface of the bottom case 10 upward, and the edge of the upper cover 20 covers the top surface of the wire passing through groove 12. That is, after the pressing line protrusion 21 is inserted into the through-hole 12, a hole for holding the connecting line 31 can be formed, and the hole is a clamping area, and after the connecting line 31 extends outward from the through-hole 12, the pressing line protrusion 21 is inserted into the through-hole 12, and the connecting line 31 can be pressed. Preferably, the bottom of the wire passing through groove 12 is provided with a first arc concave position 121, the bottom of the wire pressing convex strip 21 is provided with a second arc concave position 211, and the first arc concave position 121 and the second arc concave position 211 are oppositely arranged, so that the connecting wire 31 can be completely wrapped.

As described above, the through-wire grooves 12 are four in left-right interval arrangement, and each through-wire groove 12 accommodates one connecting wire 31. The pressing plate protrusion 22 is provided on the rear side of the bottom of the upper cover 20. The left and right sides of the installation cavity are provided with first buckling convex parts 13, and the two sides of the bottom of the upper cover 20 are provided with second buckling convex parts 23 matched with the first buckling convex parts 13. The periphery of the bottom of the mounting cavity 11 is provided with a plastic protrusion 14, and the periphery of the bottom of the PCB 30 abuts against the plastic protrusion 14.

The PCB 30 is arranged at the lower position of the middle part of the installation cavity, and the top of the PCB 30 is at least provided with a transformer 32, a capacitor 33 and a square fuse 34.

The utility model discloses a design focus lies in: mainly, a through groove 12 is arranged at one side of a bottom shell 10, and a pressing line convex strip 21 and a pressing plate convex strip 22 are arranged on an upper cover 20; after the PCB 30 is mounted in the mounting cavity 11, the connecting wires 31 of the PCB 30 extend outward from the wire passing through slots 12; the assembly operation of the PCB 30 can be completed by utilizing the pressing line convex strips 21 to compress the connecting lines 31 and utilizing the pressing plate convex strips 22 to compress the PCB 30 in the mounting cavity, so that the traditional dispensing mode is replaced; the assembly operation is simpler and more convenient, and the assembly efficiency is improved; moreover, the glue solution can be prevented from permeating into the PCB 30 components, and the yield of the LED power supply driver is improved;

secondly, the connecting line 31 is compressed by the pressing line convex strips 21, so that the problem that the connecting line 31 falls off due to the fact that the connecting line 31 is pulled in the subsequent use process can be avoided, and the occurrence of line breakage is reduced;

furthermore, the bottom case 10 and the upper cover 20 can be easily disassembled and maintained by using the first engaging protrusion 13 and the second engaging protrusion 23 to form a detachable structure, compared with the conventional method of gluing.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. An LED power driver, characterized by: comprises a bottom shell, an upper cover and a PCB board;

2. An LED power driver as claimed in claim 1, wherein: the width of the pressing line convex strip is smaller than that of the wire passing through groove, and a clamping area for clamping the connecting wire is enclosed between the pressing line convex strip and the wire passing through groove.

3. An LED power driver as claimed in claim 1, wherein: the wire passing through groove is formed in the front side face of the bottom shell, and the wire pressing convex strips are arranged on the front side of the bottom of the upper cover.

4. An LED power driver as claimed in claim 1 or 3, wherein: the through groove penetrates through the top surface of the bottom shell upwards, and the edge of the upper cover covers the top surface of the through groove.

5. An LED power driver as claimed in claim 1 or 3, wherein: the bottom of the wire passing through groove is provided with a first arc concave position, and the bottom of the wire pressing convex strip is provided with a second arc concave position.

6. An LED power driver as claimed in claim 5, wherein: the four wire passing through grooves are arranged at left and right intervals, and each wire passing through groove contains one connecting wire.

7. An LED power driver as claimed in claim 3, wherein: the pressing plate convex strip is arranged on the rear side of the bottom of the upper cover.

8. An LED power driver as claimed in claim 1, wherein: the bottom shell is provided with first lock convex parts on the left side and the right side of the installation cavity, and second lock convex parts matched with the first lock convex parts are arranged on the two sides of the bottom of the upper cover.

9. An LED power driver as claimed in claim 1, wherein: the periphery of the bottom of the mounting cavity is provided with a plastic raised line, and the periphery of the bottom of the PCB is supported on the plastic raised line.

10. An LED power driver as claimed in claim 1, wherein: the PCB is arranged at the middle part of the installation cavity and is close to the lower position, and the top of the PCB is at least provided with a transformer, a capacitor and a square fuse.