CN219834584U

CN219834584U - Driving power supply box

Info

Publication number: CN219834584U
Application number: CN202320622833.6U
Authority: CN
Inventors: 王勇浩
Original assignee: Anway Electric Huizhou Co ltd
Current assignee: Anway Electric Huizhou Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-10-13
Anticipated expiration: 2033-03-24

Abstract

The utility model provides a driving power supply box, which relates to the technical field of LED illumination and comprises a shell and a driving circuit board; the shell comprises a bottom plate, a cover plate and silica gel, the cover body comprises a cover plate and two end covers, two ends of the cover plate are respectively provided with openings, and the two end covers are respectively covered on the two openings; one end of the end cover, which is far away from the cover plate, is provided with a wiring port; the cover plate is covered on one surface of the bottom plate, and the silica gel is arranged at the opening and between the cover plate and the end cover; the driving circuit board is arranged on the bottom plate and is positioned between the bottom plate and the cover plate; so, drive circuit board locates between bottom plate and the apron, and the bottom plate carries out waterproof protection to drive circuit board all around with the apron, sets up the end cover at the opening part at apron both ends, is favorable to avoiding in the use water stain to splash to drive circuit board through the opening on, still is provided with silica gel between apron and the end cover, effectually avoided getting into the water of wiring mouth splash into the opening part, through the casing to drive circuit board's protection layer upon layer, improved drive power supply box's waterproof performance.

Description

Driving power supply box

Technical Field

The utility model relates to the technical field of LED illumination, in particular to a driving power supply box.

Background

The LED has the characteristics of long service life, high light efficiency, low power and the like. Since LEDs are semiconductor devices that are sensitive in characteristics and have negative temperature characteristics, they need to be stably operated during application, thereby creating a driving concept. An LED driving power box is a power converter that converts a power supply into a specific voltage and current to drive an LED to emit light, and is generally: the input of the LED driving power supply box comprises high-voltage power frequency alternating current (i.e. commercial power), low-voltage direct current, high-voltage direct current, low-voltage high-frequency alternating current (such as the output of an electronic transformer) and the like, and the output of the LED driving power supply box is mostly a constant current source capable of changing the voltage along with the change of the forward voltage drop value of the LED.

The common driving power supply box in the market is to install the LED driving circuit board in the box body formed by the upper cover and the lower cover, then fasten the upper cover and the lower cover to form a combined body, so that the circuit board and the box body form a whole, and the sealing performance of the box body is poor, so that the driving power supply box is often short-circuited in water, and therefore, the existing driving power supply box is not ideal in waterproof performance.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a driving power supply box.

The utility model discloses a driving power supply box, comprising: a housing and a driving circuit board; the shell comprises a bottom plate, a cover body and silica gel, the cover body comprises a cover plate and two end covers, two ends of the cover plate are respectively provided with openings, and the two end covers are respectively covered on the two openings; one end of the end cover, which is far away from the cover plate, is provided with a wiring port; the cover plate is covered on one surface of the bottom plate, and the silica gel is arranged at the opening and between the cover plate and the end cover; the driving circuit board is arranged on the bottom plate and is positioned between the bottom plate and the cover plate.

Preferably, the cover plate and the end cover are respectively attached to two opposite surfaces of the silica gel.

Preferably, the silica gel is provided with wire passing holes, and the wire passing holes penetrate through two opposite sides of the silica gel.

Preferably, the end cover and the bottom plate are buckled to form a cavity; the bottom plate is provided with anti-pulling teeth which are positioned in the cavity.

Preferably, the end cap is removably connected to the base plate.

Preferably, the cover plate is provided with square holes deviating from the direction of the bottom plate, the end cover is provided with pins, and the pins are inserted into the square holes.

Preferably, two square holes are respectively arranged at two ends of the cover plate, the two square holes at each end are respectively arranged at two sides of the cover plate, and the number of pins corresponds to the number of square holes one by one.

Preferably, the silica gel is further provided with a notch, and the notch is positioned at the opening.

Preferably, the bottom plate and the cover plate are welded by an ultrasonic process.

Preferably, the driving power supply box further comprises a heat dissipation piece, wherein the heat dissipation piece is arranged on the bottom plate and is positioned between the bottom plate and the cover plate.

The utility model has the beneficial effects that: the drive circuit board is arranged between the bottom plate and the cover plate, the bottom plate and the cover plate are used for performing waterproof protection on the periphery of the drive circuit board, the end covers are arranged at the openings at the two ends of the cover plate, water stains are prevented from splashing onto the drive circuit board through the openings in the use process, silica gel is further arranged between the cover plate and the end covers, water entering the wiring port is effectively prevented from splashing into the openings, and the drive circuit board is protected layer by layer through the shell, so that the waterproof performance of the drive circuit box is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is an exploded view of a drive power supply box in an embodiment;

FIG. 2 is a perspective view of a driving power supply box in an embodiment;

fig. 3 is an exploded view of the driving power box at another view angle in the embodiment;

FIG. 4 is a schematic diagram of a driving power supply box end cover according to an embodiment;

fig. 5 is a schematic structural diagram of the end cover of the driving power supply box according to another embodiment.

Reference numerals:

1-a housing; 2-a driving circuit board; 3-a heat sink; 11-a bottom plate; 12-a cover; 13-silica gel; 111-cavity; 112-anti-pull teeth; 113-bolting and positioning; 121-cover plate; 122-end caps; 131-wire vias; 132-opening; 1121-a first portion; 1122-a second part; 1211-opening; 1212-square holes; 1221-wire connection; 1222-pins; 1223-bolt holes.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indications such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture such as that shown in the drawings, and if the particular posture is changed, the directional indication is changed accordingly.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the present utility model, reference should be made to the following examples, which are set forth to illustrate, by way of illustration, the principles of the utility model.

Referring to fig. 1 and 2, fig. 1 is an exploded view of a driving power box, fig. 2 is a perspective view of the driving power box, the driving power box in this embodiment includes a housing 1 and a driving circuit board 2, the housing 1 is used for carrying and protecting the driving circuit board 2, and the driving circuit board 2 is used for converting commercial power into specific voltage and current to drive the LEDs to emit light.

Referring to fig. 3 and referring back to fig. 1 and 2, fig. 3 is an exploded view of the driving power box from another view angle, wherein the housing 1 includes a bottom plate 11, a cover 12 and silica gel 13, the cover 12 includes a cover plate 121 and two end caps 122, two ends of the cover plate 121 are respectively provided with an opening 1211, and the two end caps 122 are respectively covered on the two openings 1211; the end of end cap 122 remote from cover plate 121 has a wiring port 1221; the cover plate 121 is covered on one surface of the bottom plate 11, and the silica gel 13 is arranged at the opening 1211 and is positioned between the cover plate 121 and the end cover 122; the driving circuit board 2 is disposed on the bottom plate 11 and between the bottom plate 11 and the cover plate 121.

Specifically, the bottom plate 11 is preferably a square plate, the cover plate 121 covers the middle part of one surface of the bottom plate 11, an installation space is formed between the bottom plate 11 and the cover plate 121, and the driving circuit board 2 is fixedly arranged on the bottom plate 11 and is positioned in the installation space; the two openings 1211 are covered by silica gel 13; both end caps 122 are provided with a wiring port 1221, and the wiring port 1221 is preferably square in shape.

When the LED power supply is applied, a user passes through a wiring port 1221 and an opening 1211 of the driving power supply box to be communicated with the input end of the driving circuit board 2, passes through the other wiring port 1221 and the other opening 1211 of the driving power supply box to be communicated with the output end of the driving circuit board 2, so that the LED power supply can be normally used, the silica gel 13 can be subjected to hole digging treatment according to the wire specification before wiring, and preferably, the silica gel 13 is provided with the wire through holes 131.

So, drive circuit board 2 locates between bottom plate 11 and the apron 121, diapire and apron 121 carry out waterproof protection to drive circuit board 2 all around, set up end cover 122 in the opening 1211 department at apron 121 both ends, be favorable to avoiding using in-process water stain to splash onto drive circuit board 2 through opening 1211, still be provided with silica gel 13 between apron 121 and the end cover 122, effectually avoided getting into the water of wiring mouth 1221 and splash into opening 1211 department, protect drive circuit board 2 layer by layer through casing 1, improved drive power supply box's waterproof performance.

Further, the cover 121 and the end cap 122 are respectively attached to two opposite surfaces of the silica gel 13.

In this way, by attaching the cover plate 121 and the end cover 122 to the silica gel 13 respectively, no gap exists between the silica gel 13 and the cover plate 121 and between the silica gel 13 and the end cover 122, water entering the junction port 1221 is further prevented from splashing into the opening 1211, and the waterproof capability of the casing 1 is improved.

Further, referring to fig. 4 and 5, fig. 4 is a schematic structural diagram of an end cover of the driving power box, and fig. 5 is a schematic structural diagram of an end cover of the driving power box at another view angle, wherein the end cover 122 is buckled with the bottom plate 11 to form a cavity 111; the base plate 11 is provided with anti-pull teeth 112, the anti-pull teeth 112 being located in the cavity 111.

Specifically, the anti-pulling tooth 112 includes a first portion 1121 and a second portion 1122, the first portion 1121 is fixedly connected with the bottom plate 11, the second portion 1122 is fixedly connected with the end cover 122, the first portion 1121 and the second portion 1122 are both saw-toothed, and the first portion 1121 and the second portion 1122 are disposed opposite to each other.

In this way, by providing the pull preventing teeth 112 in the cavity 111, friction between the electric wire and the housing 1 is increased, and the electric wire is prevented from falling off or being pulled out after being inserted into the housing 1.

Further, end cap 122 is removably connected to base plate 11.

Specifically, referring back to fig. 4 and 5, a bolt fixing portion 113 is disposed on a side of the bottom plate 11 adjacent to the end cover 122, the bolt fixing portion 113 is disposed at two ends of the bottom plate 11, the end cover 122 has a bolt hole 1223, and the bottom plate 11 and the end cover 122 are detachably connected by bolts.

In this way, the bottom plate 11 and the end cover 122 can be detached, when the driving circuit board 2 needs to be wired or maintained, the end cover 122 can be removed from the bottom plate 11 and the cover plate 121, the silica gel 13 can be removed together, and the driving circuit board 2 can be operated through the opening 1211 of the cover plate 121.

Further, the silica gel 13 is further provided with a notch 132, and the notch 132 is located at the opening 1211.

Thus, when the driving circuit board 2 needs to be operated, the end cover 122 is directly taken down, the silica gel 13 is not required to be taken down, and the situation that the silica gel 13 is not tightly attached to the cover plate 121 and the end cover 122, so that gaps are generated to influence the waterproof effect of the shell 1 is avoided.

Further, referring back to fig. 4 and 5, the cover 121 has a square hole 1212 facing away from the bottom plate 11, and the end cap 122 has a pin 1222, and the pin 1222 is inserted into the square hole 1212.

Preferably, each end of the cover plate 121 has two square holes 1212, and each end cap 122 has two pins 1222, with the pins 1222 inserted in a one-to-one correspondence with the square holes 1212.

In this way, pins 1222 of end cap 122 are inserted into square holes 1212 of cover plate 121, so that end cap 122 is prevented from backing relative to cover plate 121 during use of the drive power supply box, and pins 1222 and square holes 1212 fix end cap 122 and cover plate 121.

Further, the bottom plate 11 and the cover plate 121 are welded by an ultrasonic process.

Therefore, the ultrasonic process is adopted to weld the bottom plate 11 and the cover plate 121, so that the production efficiency is high, the labor cost is low, and more importantly, the tightness of the bottom plate 11 and the cover plate 121 is good, the seamless welding can be completely realized, and the air tightness is ensured.

Further, the driving power supply box further comprises a heat dissipation element 3, wherein the heat dissipation element 3 is arranged on the bottom plate 11 and is located between the bottom plate 11 and the cover plate 121.

Specifically, the radiator selects the fin, and its one side is connected with drive circuit board 2, and the other side is connected with bottom plate 11, is favorable to the heat dissipation to drive circuit board 2 like this, guarantees that drive circuit board 2 temperature is normal in the use.

To sum up, drive circuit board locates between bottom plate and the apron, and bottom plate and apron carry out waterproof protection to drive circuit board all around, set up the end cover at the opening part at apron both ends, be favorable to avoiding in the use water stain to splash to drive circuit board through the opening, still be provided with silica gel between apron and the end cover, effectually avoided getting into the water of wiring mouth splash into the opening part, through the layer upon layer protection of casing to drive circuit board, improved the waterproof performance of drive power supply box.

The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. A driving power supply box, characterized by comprising: a housing (1) and a drive circuit board (2); the shell (1) comprises a bottom plate (11), a cover body (12) and silica gel (13), the cover body (12) comprises a cover plate (121) and two end covers (122), openings (1211) are respectively formed in two ends of the cover plate (121), and the two end covers (122) are respectively covered on the two openings (1211); one end of the end cover (122) far away from the cover plate (121) is provided with a wiring port (1221); the cover plate (121) is covered on one surface of the bottom plate (11), and the silica gel (13) is arranged at the opening (1211) and is positioned between the cover plate (121) and the end cover (122); the driving circuit board (2) is arranged on the bottom plate (11) and is positioned between the bottom plate (11) and the cover plate (121).

2. The driving power supply box according to claim 1, wherein the cover plate (121) and the end cover (122) are respectively attached to two opposite surfaces of the silica gel (13).

3. The driving power supply box according to claim 1, wherein the silica gel (13) is provided with wire through holes (131), and the wire through holes (131) penetrate through two opposite surfaces of the silica gel (13).

4. The drive power supply box according to claim 1, wherein the end cover (122) is buckled with the bottom plate (11) to form a cavity (111); the bottom plate (11) is provided with anti-pulling teeth (112), and the anti-pulling teeth (112) are positioned in the cavity (111).

5. The drive power supply box according to claim 4, characterized in that the end cap (122) is detachably connected to the base plate (11).

6. The drive power supply box according to claim 1, characterized in that the cover plate (121) is provided with square holes (1212) facing away from the bottom plate (11), the end cap (122) is provided with pins (1222), and the pins (1222) are inserted into the square holes (1212).

7. The driving power supply box according to claim 6, wherein two square holes (1212) are respectively arranged at two ends of the cover plate (121), two square holes (1212) at each end are respectively arranged at two sides of the cover plate (121), and the number of pins (1222) corresponds to the number of square holes (1212) one by one.

8. The driving power supply box according to claim 5, wherein the silica gel (13) is further provided with a notch (132), and the notch (132) is located at the opening (1211).

9. The drive power supply box according to claim 1, characterized in that the base plate (11) and the cover plate (121) are welded by ultrasonic technology.

10. The driving power supply box according to claim 1, further comprising a heat sink (3), wherein the heat sink (3) is provided on the bottom plate (11) and is located between the bottom plate (11) and the cover plate (121).