CN219227866U

CN219227866U - Emergency LED driving power supply

Info

Publication number: CN219227866U
Application number: CN202222555847.9U
Authority: CN
Inventors: 文满才
Original assignee: Zhongshan Baosheng Photoelectric Technology Co ltd
Current assignee: Zhongshan Baosheng Photoelectric Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-06-20
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to the field of LED driving power supplies, in particular to an emergency LED driving power supply, which comprises a shell, wherein a supporting plate is arranged in the shell in a clamping way, two built-in clamping seats are fixedly arranged at the top of the supporting plate, circuit boards are arranged on the two built-in clamping seats in a clamping way, radiating holes are drilled on two side walls of the shell, a dust screen is arranged at each radiating hole in a clamping way, gauze is fixedly arranged on the supporting plate, and a sealing cover is fixedly arranged at the top end of the shell through screws. Support the circuit board through the layer board, install the gauze on the layer board moreover, the heat that produces under the circuit board operating condition can pass the gauze and get into the shell in the bottom, outwards discharge from last thermovent department again, be favorable to the heat dissipation of circuit board, the dust screen of this thermovent department assembly can prevent that the dust from getting into inside the shell, the gauze can also intercept finer dust, avoid dust and circuit board contact, under the prerequisite that improves driving power heat dispersion, can also strengthen its dustproof effect.

Description

Emergency LED driving power supply

Technical Field

The utility model relates to the field of LED driving power supplies, in particular to an emergency LED driving power supply.

Background

The LED driving power supply is a power converter that converts a power supply into a specific voltage and current to drive the LED to emit light, and generally, the input of the LED driving power supply includes high-voltage power frequency ac (i.e., mains), low-voltage dc, high-voltage dc, low-voltage high-frequency ac (e.g., output of an electronic transformer), and the like.

The current chinese patent of patent number CN211084016U discloses an emergent LED drive power supply, which comprises a base plate, the circuit board is installed at the top of bottom plate, is equipped with drive control module and group battery on the circuit board, and group battery is connected with the drive control module electricity, is connected with universal joint on the group battery, the protective housing is installed at the top of bottom plate, and the circuit board is located the protective housing, has seted up the wiring hole on the protective housing, two rotation grooves have been seted up at the top of bottom plate, all rotate in two rotation grooves and install the screw rod, two screw rods all with protective housing threaded connection. In this scheme, adopt screw rod and inserted bar to combine together the mode to fix the circuit board to with this purpose that improves circuit board dismouting convenience. But when actually installing, only need to accomplish the fixed of circuit board through four screws, only relate to installation problem in this scheme moreover, and can not produce the heat when not considering the circuit board to use, not improve on the circuit board heat dissipation problem, easily lead to the circuit board heat dissipation not smooth influence its performance, exist not enough in the aspect of the heat dissipation detail, in view of this, we propose an emergent LED drive power supply that can improve circuit board heat dispersion and can quick assembly disassembly.

Disclosure of Invention

The utility model aims to solve the problems in the background art and provides an emergency LED driving power supply which can improve the heat dissipation performance of a circuit board and can be quickly assembled and disassembled.

The technical scheme of the utility model is as follows: the utility model provides an emergent formula LED drive power supply, includes the shell, the layer board is installed to the inside block of shell, the top fixed mounting of layer board has two built-in cassette, two common block is installed on the built-in cassette has the circuit board, all open on two lateral walls of shell has the thermovent, every thermovent department all block installs the dust screen, fixed mounting has the gauze on the layer board, the gauze is located the below of circuit board, the top of shell has the closing cap through screw fixed mounting.

Preferably, each top of the built-in clamping seat is provided with a clamping groove with a top end and a side end open, two ends of the circuit board, which are far away from each other, are embedded into the corresponding clamping grooves and are connected with the corresponding clamping grooves in a clamping manner, and the ends of the circuit board are limited through the clamping grooves so as to limit the circuit board in the horizontal direction.

Preferably, each built-in clamping seat is internally provided with two cavities communicated with the clamping grooves, each cavity is internally provided with a limiting plate in a movable mode, one end of each limiting plate extends into the corresponding clamping groove, the end of the circuit board is pressed and held through the limiting plate, and the circuit board is conveniently limited in the vertical direction.

Preferably, each limiting plate is located the equal fixed mounting of one end of cavity inside and has a spring, every the one end that the limiting plate was kept away from to the spring all with correspond the cavity inner wall fixed connection who sets up, can promote the limiting plate to keeping away from one side of cavity through the spring and remove, ensure that the circuit board can be held spacing by the limiting plate pressure, improve the convenience to the circuit board is fixed.

Preferably, four positioning columns are fixedly installed on the inner bottom wall of the shell, four positioning grooves are drilled at the bottom end of the supporting plate, the top ends of the positioning columns are connected with the matched positioning grooves in a clamping mode, the supporting plate is ensured to be stably assembled inside the shell through the clamping butt joint between the positioning columns and the positioning grooves, the distance between the lower surface of the supporting plate and the inner bottom wall of the shell is kept, and heat dissipation of a circuit board is facilitated.

Preferably, four compression bars are fixedly installed on the inner top wall of the sealing cover, the bottom ends of the compression bars are tightly attached to the upper surface of the supporting plate, the supporting plate is clamped and limited through the compression bars, and the supporting plate is ensured to be firmly installed inside the shell.

Preferably, every equal fixed mounting has embedded frame on the dust screen inner wall, every embedded frame all imbeds in the thermovent that corresponds the setting and is connected rather than the block, every equal fixed mounting has the rubber seal frame on the outer wall of embedded frame, every the rubber seal frame all closely clamps in the gap between corresponding thermovent inner wall and embedded frame outer wall, can firmly assemble the dust screen in thermovent department through embedded frame, effectively improves the fastness after its installation.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. support the circuit board through the layer board, install the gauze on the layer board moreover, the heat that produces under the circuit board operating condition can pass the gauze and get into the shell in the bottom, outwards discharge from last thermovent department again, be favorable to the heat dissipation of circuit board, the dust screen of this thermovent department assembly can prevent that the dust from getting into inside the shell, the gauze can also intercept finer dust, avoid dust and circuit board contact, under the prerequisite that improves driving power heat dispersion, can also strengthen its dustproof effect.

2. The two ends of the circuit board are limited through the built-in clamping seat, so that the circuit board is prevented from shaking in the horizontal direction, the end part of the circuit board is pressed and held by the limiting plate, the circuit board can be limited in the vertical direction, the circuit board is convenient to fix, and when the circuit board is dismounted, the circuit board can be taken down from the built-in clamping seat only by pressing the limiting plate into a cavity cut in the built-in clamping seat, and the circuit board can be dismounted conveniently and quickly dismounted.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the housing of the present utility model;

FIG. 3 is a schematic diagram of a built-in card holder according to the present utility model;

FIG. 4 is a schematic view of a dust-proof screen according to the present utility model;

fig. 5 is a schematic view of a pallet structure according to the present utility model.

Reference numerals: 1. a housing; 11. positioning columns;

2. a supporting plate; 21. gauze; 22. a positioning groove;

3. a clamping seat is arranged in the shell; 31. a clamping groove; 32. a limiting plate; 33. a cavity; 34. a spring;

4. a cover; 41. a compression bar;

5. a circuit board;

6. a heat radiation port;

7. a dust screen; 71. an embedded frame; 72. and a rubber sealing frame.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-5, the emergency type LED driving power supply provided by the utility model comprises a housing 1, threading openings are reserved at two ends of the top of the housing 1, wires connected with a circuit board 5 are conveniently pulled out of the interior of the housing 1, a supporting plate 2 is embedded and clamped in the housing 1, the edge of the supporting plate 2 is tightly attached to the inner wall of the housing 1, two symmetrically arranged built-in clamping seats 3 are welded on the upper surface of the supporting plate 2, the circuit board 5 is jointly clamped and assembled at the top ends of the two built-in clamping seats 3, a gauze 21 is fixedly arranged on the supporting plate 2, the gauze 21 is arranged below the circuit board 5, a sealing cover 4 is fixedly assembled at the opening at the top end of the housing 1 through screws, the circuit board 5 can be ensured to be arranged in a sealing space formed by the housing 1 and the sealing cover 4, the protection performance of the circuit board 5 is improved, heat dissipation openings 6 are formed in two side walls of the housing 1, the heat in the housing 1 can be discharged outwards through the openings 6, the dust-proof effect of the circuit board 5 is facilitated, and the dust-proof effect of the dust-proof net 7 can be improved through the dust-proof net 7 is reduced;

further, adopt casting technology integrated into one piece to have four reference columns 11 on the interior diapire of shell 1, the bottom of layer board 2 has excavated four constant head tanks 22, the top of every reference column 11 all imbeds in the constant head tank 22 that its top set up and inseparable joint rather than, ensure that layer board 2 can stable assembly inside shell 1, and reference column 11 can support layer board 2, let layer board 2 bottom keep the interval with the interior diapire of shell 1 then, weld four depression bars 41 on the interior roof of closing cap 4, the bottom of every depression bar 41 all inserts inside shell 1 and with the upper surface contact of layer board 2.

The working principle of the emergency LED driving power supply based on the first embodiment is as follows: firstly, the circuit board 5 is clamped and installed at the tops of the two built-in clamping seats 3, then the supporting plate 2 is placed in the shell 1 and is pressed down, after the top ends of the positioning columns 11 are inserted into the positioning grooves 22, the supporting plate 2 can be positioned, the supporting plate 2 can be stably erected at the top ends of the four positioning columns 11, the sealing cover 4 is assembled at the top end opening of the shell 1, the circuit board 5 is fixed by using screws, at the moment, the bottom end of the pressing rod 41 is inserted into the shell 1 and is in contact with the upper surface of the supporting plate 2, so that the supporting plate 2 can be limited in the vertical direction by the pressing rod 41, the supporting plate 2 can be firmly installed in the shell 1, shaking is prevented after the circuit board 5 is installed, the supporting plate 2 and the circuit board 5 can be taken out from the shell 1 by opening the sealing cover 4, and the circuit board 5 is also convenient to detach. When the circuit board 5 enters the working state, heat is generated, part of the heat is accumulated inside the shell 1 and can pass through the gauze 21 to be accumulated at the inner bottom of the shell 1, and then the heat is discharged outwards from the heat dissipation port 6, so that the heat dissipation of the circuit board 5 is facilitated, the heat dissipation performance of a driving power supply is improved, as the dust screen 7 is arranged at the heat dissipation port 6, the probability that dust enters the shell 1 can be reduced, the edge of the supporting plate 2 is tightly contacted with the inner wall of the shell 1, a small amount of dust entering the inner bottom of the shell 1 cannot float upwards from the contact gap between the supporting plate 2 and the shell 1, the contact probability of the dust and the circuit board 5 can be further reduced under the interception of the gauze 21, and the dust prevention effect is effectively improved.

Example two

As shown in fig. 1-4, the utility model provides an emergency type LED driving power supply.

Referring to fig. 1 and 3, the top of each built-in card holder 3 is cut with a card slot 31 with an opening at the top and the side, two ends of the circuit board 5 are respectively embedded into the corresponding card slot 31 and tightly clamped with the card slot, two cavities 33 are cut in each built-in card holder 3, each cavity 33 is communicated with the corresponding card slot 31, a limiting plate 32 is movably penetrated in each cavity 33, one end of each limiting plate 32 extends into the corresponding card slot 31, and the part of each limiting plate 32 in the card slot 31 is covered on the top of the circuit board 5;

in this scheme, with the both ends of circuit board 5 embedding respectively in the draw-in groove 31 that corresponds, can carry out the spacing of horizontal direction to circuit board 5 then, avoid it to produce horizontal direction's rocking, ensure that circuit board 5 can firmly assemble on the top of two built-in cassette 3, hold the location by limiting plate 32 to circuit board 5 again, carry out the spacing of vertical direction to it, avoid it to produce vertical direction's rocking, further improve the fastness after its installation.

Further, a spring 34 is welded at one end of each limiting plate 32 inserted into the cavity 33, and one end of each spring 34 far away from the limiting plate 32 is welded with the inner wall of the corresponding cavity 33 into a whole;

the spring 34 provides thrust for the limiting plate 32, so that the limiting plate 32 is conveniently pushed to one side of the clamping groove 31, the limiting plate 32 is ensured to be stably covered on the upper surface of the circuit board 5 under the condition that no acting force is considered, and when the circuit board 5 needs to be disassembled, the limiting plate 32 is only required to be pushed into the cavity 33, and at the moment, the spring 34 is changed from an unfolding state to a compression state, so that the circuit board 5 is conveniently disassembled.

Referring to fig. 1 and 4, an embedded frame 71 is welded on the inner wall of each dust screen 7, each embedded frame 71 is inserted into the corresponding heat dissipation port 6 and is clamped and butted with the corresponding heat dissipation port 6, a rubber sealing frame 72 is fixedly sleeved on the outer wall of each embedded frame 71, and the outer wall of each rubber sealing frame 72 is tightly attached to the inner wall of the heat dissipation port 6;

in this scheme, when installing dust screen 7, can insert the embedded frame 71 in the thermovent 6 earlier, through the block connection between embedded frame 71 and thermovent 6, can fix the position at thermovent 6 with dust screen 7, the cover is equipped with rubber seal frame 72 on the outer wall of embedded frame 71 moreover, can fill the gap between thermovent 6 inner wall and the embedded frame 71 outer wall through rubber seal frame 72, then increase the compactness that embedded frame 71 and thermovent 6 are connected, further improve the fastness after the dust screen 7 installs.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides an emergent formula LED drive power supply, includes shell (1), its characterized in that, layer board (2) are installed to the inside block of shell (1), the top fixed mounting of layer board (2) has two built-in cassette (3), two joint installation has circuit board (5) on built-in cassette (3), all the chisel has cooling hole (6) on two lateral walls of shell (1), every all the block of cooling hole (6) department is installed dust screen (7), fixed mounting has gauze (21) on layer board (2), gauze (21) are located the below of circuit board (5), the top of shell (1) is through screw fixed mounting has closing cap (4).

2. The emergency type LED driving power supply according to claim 1, wherein the top of each built-in card holder (3) is provided with a card slot (31) with a top end and a side end open, and two ends of the circuit board (5) which are far away from each other are embedded into the corresponding card slots (31) and are connected with the card slots in a clamping way.

3. An emergency LED driving power supply according to claim 2, wherein two cavities (33) communicated with the clamping grooves (31) are cut in each built-in clamping seat (3), limiting plates (32) are movably mounted in each cavity (33), and one end of each limiting plate (32) extends into the corresponding clamping groove (31).

4. An emergency LED driving power supply according to claim 3, wherein, a spring (34) is fixedly installed at one end of each limiting plate (32) located inside the cavity (33), and one end of each spring (34) away from the limiting plate (32) is fixedly connected with the inner wall of the cavity (33) correspondingly arranged.

5. The emergency type LED driving power supply according to claim 1, wherein four positioning columns (11) are fixedly installed on the inner bottom wall of the housing (1), four positioning grooves (22) are cut at the bottom end of the supporting plate (2), and the top end of each positioning column (11) is in clamping connection with the corresponding positioning groove (22).

6. An emergency LED driving power supply according to claim 1, wherein four compression bars (41) are fixedly mounted on the inner top wall of the cover (4), and the bottom end of each compression bar (41) is tightly attached to the upper surface of the supporting plate (2).

7. An emergency LED driving power supply according to claim 1, wherein each dust screen (7) has an inner embedded frame (71) fixedly mounted on an inner wall thereof, each embedded frame (71) is embedded in a corresponding heat dissipation opening (6) and is connected with the corresponding heat dissipation opening in a clamping manner, a rubber sealing frame (72) is fixedly mounted on an outer wall of each embedded frame (71), and each rubber sealing frame (72) is tightly clamped in a gap between the inner wall of the corresponding heat dissipation opening (6) and the outer wall of the embedded frame (71).