CN214545270U

CN214545270U - Driving power supply with heat radiation structure

Info

Publication number: CN214545270U
Application number: CN202120636668.0U
Authority: CN
Inventors: 向江华
Original assignee: Zhonshan Mingmen Electronic Technology Co ltd
Current assignee: Zhonshan Mingmen Electronic Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-10-29
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a driving power supply with a heat dissipation structure, which comprises a power supply box with an opening at the upper end, wherein a sealing cover is arranged on the power supply box, a driving circuit board is arranged in the power supply box, a heat dissipation cover is arranged in the power supply box, the driving circuit board is fixedly arranged in the heat dissipation cover, a threading hole is also arranged on the heat dissipation cover, an air outlet groove is arranged on the side wall of the power supply box, an air inlet groove is arranged in the sealing cover, an air draft device is arranged on the lower end surface of the sealing cover, the driving circuit board is fixedly arranged in the heat dissipation cover, dust can be prevented from being adhered to the surface when air circulates, so that the heat dissipation of the circuit board is ensured, a threading hole is also arranged on the heat dissipation cover, an air outlet groove is arranged on the side wall of the power supply box, an air inlet groove is arranged in the sealing cover, an air draft device is arranged on the lower end surface of the sealing cover, and air is driven by the air draft device to enter the power supply box from the air inlet groove, then, heat on the heat dissipation cover can be taken away from the air outlet groove flow, and quick heat dissipation is achieved.

Description

Driving power supply with heat radiation structure

Technical Field

The utility model particularly relates to a drive power supply with heat radiation structure.

Background

With rapid development of economy and technological progress in various regions, an LED driving power supply is a power converter that converts power supply into a specific voltage and current to drive an LED to emit light.

The LED driving power supply in the market has the problem of unobvious heat dissipation effect in the use process, so that the driving is easy to damage, and the use requirement of consumers cannot be met.

In addition, the conventional driving power supply with a heat dissipation device cannot prevent dust from adhering to the surface of the circuit board, so that the dust is distributed on the surface of the circuit board in the long-term use process, thereby affecting the heat dissipation performance of the circuit board, and therefore, a driving power supply with a heat dissipation structure is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drive power supply with heat radiation structure.

According to the driving power supply with heat radiation structure of this purpose design, including upper end open-ended power pack, be equipped with sealed lid on the power pack, be equipped with dirver circuit board in the power pack, be equipped with the heat dissipation cover in the power pack, dirver circuit board is fixed to be set up in the heat dissipation cover, still be equipped with the through wires hole on the heat dissipation cover, be equipped with out the wind groove on the lateral wall of power pack, be equipped with the intake stack in the sealed lid, be equipped with updraft ventilator on the lower terminal surface of sealed lid.

Preferably, the air draft device comprises a first motor arranged on the lower end face of the sealing cover, and a fan is arranged on a motor shaft of the first motor.

Preferably, the side wall of the heat dissipation cover is uniformly provided with heat dissipation fins.

Preferably, the upper end surface of the heat dissipation cover is uniformly provided with auxiliary cooling fins along the circumference.

Preferably, a first mounting lug seat is arranged on the lower end face of the heat dissipation cover, and the first mounting lug seat is fixedly connected with the inner bottom face of the power box through screws.

Preferably, a first air guiding cover is arranged on the outer side of the power box, and the upper part of the first air guiding cover is connected with the outer wall of the power box.

Preferably, an annular wind guide cover is arranged on the upper end face of the sealing cover.

Preferably, a mounting groove is formed in the lower end face of the sealing cover, a mounting hole is formed in the mounting groove, and the first motor is fixedly connected with the mounting hole through a bolt.

Preferably, the sealing cover is connected with the power supply box through threads.

The utility model has the advantages of simple and reasonable structure, radiating effect are good and can avoid the dust adhesion at the circuit board surface, compare with current technique, through drive circuit board is fixed to be set up in the heat exchanger that looses, the dust adhesion is on the surface when avoiding the circulation of air to guarantee the heat dissipation of circuit board, the heat exchanger that looses is last still to be equipped with the through wires hole, be equipped with the exhaust groove on the lateral wall of power pack, sealed inslot is equipped with the fresh air inlet duct, be equipped with updraft ventilator on the lower terminal surface of sealed lid, drive the air through updraft ventilator and enter into the power pack from the fresh air inlet duct in, then from the exhaust groove flow department, can take away the heat that looses and cover, realize quick heat dissipation.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is one of the schematic sectional structural diagrams of the present invention;

fig. 3 is a second schematic cross-sectional view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-3, a driving power supply with a heat dissipation structure comprises a power supply box 1 with an opening at the upper end, a sealing cover 2 is arranged on the power supply box 1, a driving circuit board 42 is arranged in the power supply box 1, a heat dissipation cover 41 is arranged in the power supply box 1, the driving circuit board 42 is fixedly arranged in the heat dissipation cover 41, a threading hole is further arranged on the heat dissipation cover 41, an air outlet slot 12 is arranged on the side wall of the power supply box 1, an air inlet slot 22 is arranged in the sealing cover 2, and an air draft device 5 is arranged on the lower end surface of the sealing cover 2;

the left side and the right side of the sealing cover 2 are respectively provided with a second mounting lug seat 21, and the second mounting lug seats 21 can be fixed in the lamp shell through bolts;

the circuit of the driving circuit board 42 penetrates out of the threading hole, penetrates out of the air inlet slot 22 and is connected with an external electric wire;

through the fixed setting of dirver circuit board in the heat exchanger that looses, dust adhesion on the surface when can avoiding the circulation of air to guarantee the heat dissipation of circuit board, the heat exchanger that looses is last still to be equipped with the through wires hole, be equipped with out the wind slot on the lateral wall of power pack, sealed covering is equipped with the intake stack, be equipped with updraft ventilator on the lower terminal surface of sealed lid, drive the air through updraft ventilator and enter into the power pack from the intake stack, then from the department that flows of air-out slot, can take away the heat that looses and cover, realize dispelling the heat fast.

Referring to fig. 1 to 3, the air draft device 5 includes a first motor 51 disposed on the lower end surface of the sealing cover 2, a fan 52 is disposed on a motor shaft of the first motor 51, the first motor drives the fan to rotate, and can drive air to enter the power box from the air inlet slot, and then can take away heat on the heat dissipation cover from the air outlet slot to realize rapid heat dissipation.

Referring to fig. 1 to 3, the heat dissipation fins 44 are uniformly distributed on the side wall of the heat dissipation cover 41, so that the heat can be further ensured to be rapidly transmitted outwards, and the heat can be taken away by matching with air flow, thereby realizing efficient heat dissipation.

Referring to fig. 1-3, the upper end surface of the heat dissipation cover 41 is uniformly provided with auxiliary heat dissipation fins 43 along the circumference, so that the heat can be further ensured to be rapidly transmitted outwards, and the heat can be taken away by matching with air flow, thereby realizing efficient heat dissipation.

Referring to fig. 1-3, a first mounting lug is arranged on the lower end face of the heat dissipation cover 41, and the first mounting lug is fixedly connected with the inner bottom face of the power box 1 through screws, so that the structure is simple, the assembly is convenient, and the use requirements are met.

Referring to fig. 1-3, a first air guiding cover 11 is arranged on the outer side of the power supply box 1, the upper portion of the first air guiding cover 11 is connected with the outer wall of the power supply box 1, and the first air guiding cover 11 can shield the air outlet groove 12, so that dust can be prevented from being accumulated in the air outlet groove 12, and efficient ventilation is ensured.

Referring to fig. 1 to 3, a ring-shaped wind scooper 23 is disposed on the upper end surface of the sealing cover 2, and the ring-shaped wind scooper 23 can shield the air inlet duct 22 to prevent dust from falling onto the air inlet duct 22 from top to bottom, thereby ensuring efficient ventilation.

Referring to fig. 1 to 3, a mounting groove is formed in the lower end surface of the sealing cover 2, a mounting hole is formed in the mounting groove, and the first motor 51 is fixedly connected with the mounting hole through a bolt, so that the structure is simple and the installation is convenient.

Referring to fig. 1-3, the sealing cover 2 is connected with the power supply box 1 through threads, so that the structure is simple and the connection stability is good.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a drive power supply with heat radiation structure, including upper end open-ended power pack (1), be equipped with sealed lid (2) on power pack (1), be equipped with driving circuit board (42), its characterized in that in power pack (1): be equipped with heat dissipation cover (41) in power pack (1), drive circuit board (42) are fixed to be set up in heat dissipation cover (41), still be equipped with the through wires hole on heat dissipation cover (41), be equipped with air outlet groove (12) on the lateral wall of power pack (1), be equipped with air inlet groove (22) in sealed lid (2), be equipped with updraft ventilator (5) on the lower terminal surface of sealed lid (2).

2. The driving power supply with a heat dissipation structure as set forth in claim 1, wherein: updraft ventilator (5) are including setting up first motor (51) on sealed lid (2) lower terminal surface, be equipped with fan (52) on the motor shaft of first motor (51).

3. The driving power supply with a heat dissipation structure as set forth in claim 1 or 2, wherein: radiating fins (44) are uniformly distributed on the side wall of the radiating cover (41).

4. The driving power supply with a heat dissipation structure as set forth in claim 1 or 2, wherein: and auxiliary radiating fins (43) are uniformly distributed on the upper end surface of the radiating cover (41) along the circumference.

5. The driving power supply with a heat dissipation structure as set forth in claim 1 or 2, wherein: the lower end face of the heat dissipation cover (41) is provided with a first mounting lug seat, and the first mounting lug seat is fixedly connected with the inner bottom face of the power box (1) through screws.

6. The driving power supply with a heat dissipation structure as set forth in claim 1 or 2, wherein: the outer side of the power supply box (1) is provided with a first air guiding cover (11), and the upper part of the first air guiding cover (11) is connected with the outer wall of the power supply box (1).

7. The driving power supply with a heat dissipation structure as set forth in claim 1 or 2, wherein: an annular air guide cover (23) is arranged on the upper end face of the sealing cover (2).

8. The driving power supply with a heat dissipation structure as set forth in claim 2, wherein: the lower end face of the sealing cover (2) is provided with a mounting groove, a mounting hole is formed in the mounting groove, and the first motor (51) is fixedly connected with the mounting hole through a bolt.

9. The driving power supply with a heat dissipation structure as set forth in claim 1 or 2, wherein: the sealing cover (2) is connected with the power supply box (1) through threads.