CN210899934U

CN210899934U - Dustproof LED power

Info

Publication number: CN210899934U
Application number: CN201921541114.1U
Authority: CN
Inventors: 张亮; 伍金华
Original assignee: Shenzhen Xingbiao Electronic Technology Co ltd
Current assignee: Shenzhen Xingbiao Electronic Technology Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-30
Anticipated expiration: 2029-09-17

Abstract

A dustproof LED power supply comprises an upper shell, a lower shell, fan blades, a connecting rod, a driving piece and a circuit board; the circuit board is arranged in the cavity and is arranged on the lower shell, and the circuit board is provided with an access port for connecting with an external lead; the upper shell is provided with an opening, the fan blades are provided with a plurality of fan blades which are rotatably arranged on the opening, and the fan blades cover the opening in a normal state; the driving part is electrically connected with the circuit board, the driving part is in driving connection with the connecting rod, the connecting rod is in driving connection with the fan blades, and the fan blades can be driven to rotate to open the opening. When the LED power supply is not needed to be used, the fan blades cover the openings to play a dustproof role, and when the LED power supply is needed to be started, the driving piece drives the fan blades to open the openings to dissipate heat.

Description

Dustproof LED power

Technical Field

The utility model relates to a LED field specifically is a dustproof LED power.

Background

The existing LED power supply usually generates large heat during working, and is generally provided with a heat dissipation structure, wherein most of the heat dissipation structure adopts a mode of opening holes on a shell to dissipate heat, but the mode easily causes dust collection of parts in the shell due to the holes on the shell, thereby influencing the use of equipment; or an auxiliary heat dissipation fan is used to dissipate heat, but this method not only increases the volume of the device, but also increases the manufacturing cost.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problem, the utility model provides a pair of dustproof LED power can open the opening when needs use and dispel the heat, or closed opening is in order to play dirt-proof effect when need not use.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof LED power supply comprises an upper shell, a lower shell, fan blades, a connecting rod, a driving piece and a circuit board; the circuit board is arranged in the cavity and is arranged on the lower shell, and the circuit board is provided with an access port for connecting with an external lead; the upper shell is provided with an opening, the fan blades are provided with a plurality of fan blades which are rotatably arranged on the opening, and the fan blades cover the opening in a normal state; the driving part is electrically connected with the circuit board, the driving part is in driving connection with the connecting rod and can drive the connecting rod to move, the connecting rod is in driving connection with the fan blades, and the fan blades can be driven to rotate to open the opening.

Preferably, the driving member comprises a magnet and an electromagnet, the magnet is mounted at the first end of the upper shell, the electromagnet is mounted at the second end of the upper shell and electrically connected with the circuit board, the two ends of the connecting rod are respectively provided with a magnetic receiving part, and the magnetic receiving parts can be attracted with the magnet or the electromagnet; when the electromagnet is not electrified, the magnetic force of the magnet acts on the magnetic part to enable the connecting rod to move towards the first end of the upper shell so as to drive the fan blades to rotate and cover the opening; when the electromagnet is electrified, the magnetic force of the electromagnet is larger than that of the magnet, and the connecting rod moves towards the second end of the upper shell to drive the fan blades to rotate and open the opening.

Preferably, the two sides of the fan blade are provided with rotating bosses, the two sides of the opening are also provided with rotating grooves, the rotating bosses are rotatably connected with the rotating grooves in the rotating grooves, a swinging boss is arranged below one end of the fan blade, and the swinging boss is rotatably connected with the connecting rod; the movement of the connecting rod can make the swing boss swing by taking the rotation boss as a rotation center, and make one end of the fan blade far away from the swing boss far away from the upper shell so as to open the opening.

Preferably, both sides of the lower shell are provided with sliding grooves, and both sides of the upper shell are provided with sliding blocks, and the sliding blocks can be in sliding connection with the sliding grooves.

Preferably, the circuit board is further provided with an interface, the electromagnet is further provided with a plug, and the plug can be inserted into the interface and electrically connects the electromagnet and the circuit board.

Advantageous effects

The utility model has the advantages that: a dustproof LED power supply comprises an upper shell, a lower shell, fan blades, a connecting rod, a driving piece and a circuit board; the circuit board is arranged in the cavity and is arranged on the lower shell, and the circuit board is provided with an access port for connecting with an external lead; the upper shell is provided with an opening, the fan blades are provided with a plurality of fan blades which are rotatably arranged on the opening, and the fan blades cover the opening in a normal state; the driving part is electrically connected with the circuit board, the driving part is in driving connection with the connecting rod, the connecting rod is in driving connection with the fan blades, and the fan blades can be driven to rotate to open the opening. When the LED power supply is not needed to be used, the fan blades cover the openings to play a dustproof role, and when the LED power supply is needed to be started, the driving piece drives the fan blades to open the openings to dissipate heat.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 shows a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 shows another schematic view of the overall structure of an embodiment of the invention;

figure 3 shows an explosion assembly schematic of an embodiment of the invention;

FIG. 4 is a schematic view of a fan blade;

FIG. 5 shows a partial block diagram of the upper case;

in the figure, 1 an upper shell, 2 a lower shell, 3 fan blades, 4 connecting rods, 5 driving parts, 6 circuit boards, 10 openings, 11 sliding blocks, 100 rotating grooves, 20 sliding grooves, 30 rotating bosses, 31 swinging bosses, 40 magnetized parts, 50 magnets, 51 electromagnets, 510 plugs, 60 access ports and 61 interfaces.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a dustproof LED power supply includes an upper case 1, a lower case 2, fan blades 3, a connecting rod 4, a driving member 5, and a circuit board 6; the upper shell 1 is arranged above the lower shell 2, a cavity is formed between the upper shell 1 and the lower shell 2, the circuit board 6 is arranged in the cavity and is arranged on the lower shell 2, and the circuit board 6 is provided with an access port 60 for connecting with an external lead; the upper shell 1 is provided with an opening 10, the fan blades 3 are provided with a plurality of rotatable fan blades which are arranged on the opening 10, and the fan blades 3 cover the opening 10 in a normal state; the driving member 5 is electrically connected to the circuit board 6, the driving member 5 is drivingly connected to the connecting rod 4 and drives the connecting rod 4 to move, and the connecting rod 4 is drivingly connected to the plurality of blades 3 and drives the blades 3 to rotate to open the opening 10.

Specifically, in the embodiment of the present invention, a plurality of openings 10 are provided on the upper casing 1 and are arranged along the length direction of the upper casing 1 at equal intervals, a plurality of fan blades 3 are correspondingly installed on the openings 10, or only one opening 10 is provided on the upper casing 1, and the plurality of fan blades 3 are all rotatably installed on the opening 10, wherein the opening 10 can be provided on the top surface of the upper casing 1, and also can be provided on the side surface of the upper casing 1, or both the top surface and the side edge are provided with the opening 10, the embodiment of the present invention preferably provides that the opening 10 is provided on the top surface of the upper casing 1. All the fan blades 3 are synchronously driven to rotate by the connecting rod 4, and the movement of the connecting rod 4 is driven by the driving piece 5. When the LED power supply is not needed, the opening 10 is covered by the fan blade 3, so that dust and other impurities are prevented from entering the opening 10, and a dustproof effect is achieved; when the LED power supply needs to be started, the driving part 5 drives the connecting rod 4 to move so as to drive all the fan blades 3 to rotate and open the opening 10, so that the contact area between the circuit board 6 in the cavity and electronic elements arranged on the circuit board 6 and the outside air is enlarged, and the heat dissipation effect is achieved.

Further, the driving member 5 comprises a magnet 50 and an electromagnet 51, the magnet 50 is mounted at the first end of the upper shell 1, the electromagnet 51 is mounted at the second end of the upper shell 1 and electrically connected with the circuit board 6, both ends of the connecting rod 4 are provided with the magnetic receiving portions 40, and the magnetic receiving portions 40 can be attracted with the magnet 50 or the electromagnet 51; when the electromagnet 51 is not electrified, the magnetic force of the magnet 50 acts on the magnetic part 40 to make the connecting rod 4 move towards the first end of the upper shell 1, so as to drive the fan blade 3 to rotate and cover the opening 10; when the electromagnet 51 is energized, the magnetic force of the electromagnet 51 is greater than the magnetic force of the magnet 50, and the connecting rod 4 moves toward the second end of the upper case 1 to drive the fan blade 3 to rotate and open the opening 10.

The connecting rod body can use the iron material preparation, or only increases the iron part at both ends, the utility model discloses an in the embodiment, the portion 40 that receives magnetism at 4 both ends of connecting rod is the iron plate. Under normal state, the magnet 50 on the first end of the upper shell 1 continuously applies a magnetic force to the magnetized part 40 at one end of the connecting rod 4, and the connecting rod 4 moves towards the first end of the upper shell 1, and simultaneously the fan blades 3 cover and tightly cover the opening 10, so as to play a dustproof role; when the external wire is connected to the access port 60 and is powered on, the electromagnet 51 has a magnetic force, and applies a magnetic force greater than the magnetic force of the magnet 50 to the magnetized portion 40 at the other end of the link 4, so that the link 4 moves from the first end to the second end of the upper case 1, and simultaneously the fan blades 3 are unfolded and the opening 10 is opened, in preparation for the heat dissipation work.

Furthermore, rotating bosses 30 are arranged on two sides of the fan blade 3, rotating grooves 100 are also arranged on two sides of the opening 10, the rotating bosses 30 are rotatably connected with the rotating grooves 100 in the rotating grooves 100, a swinging boss 31 is arranged below one end of the fan blade 3, and the swinging boss 31 is rotatably connected with the connecting rod 4; the movement of the link 4 can make the swing boss 31 swing around the rotation boss 30, and make the end of the fan blade 3 far from the swing boss 31 far from the upper case 1, so as to open the opening 10. The swing bosses 31 on all the fan blades 3 are arranged at equal intervals and rotatably connected to the connecting rod 4, and the connecting rod 4 can drive the swing bosses 31 to swing while moving along the length direction of the upper shell 1, so that the fan blades 3 are driven to integrally rotate, and the linkage effect is achieved.

Furthermore, sliding grooves 20 are formed in two sides of the lower shell 2, sliding blocks 11 are arranged on two sides of the upper shell 1, and the sliding blocks 11 can be in sliding connection with the sliding grooves 20.

Further, an interface 61 is further arranged on the circuit board 6, a plug 510 is further arranged on the electromagnet 51, and the plug 510 can be inserted into the interface 61 and electrically connect the electromagnet 51 with the circuit board 6.

The upper shell 1 and the lower shell 2 are assembled through sliding connection, wherein the electromagnet 51 is installed on the upper shell 1, so that the plug 510 of the electromagnet 51 can move along with the movement of the upper shell 1, when the upper shell 1 slides on the lower shell 2 and the plug 510 is close to the interface 61 on the circuit board 6 of the lower shell 2, the plug 510 is firstly inserted into the interface 61, then the upper shell 1 is continuously pushed to move, and the plug 510 is covered into a cavity formed between the upper shell 1 and the lower shell 2 so as to protect the plug 510 and the interface 61; or the interface 61 of the circuit board 6 is arranged outside the cavity, and after the upper shell 1 is pushed to a proper position, the plug 510 is inserted into the interface 61 outside the cavity, so that the plug 510 can be conveniently plugged and unplugged.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dustproof LED power supply is characterized by comprising an upper shell (1), a lower shell (2), fan blades (3), a connecting rod (4), a driving piece (5) and a circuit board (6);

the upper shell (1) is arranged above the lower shell (2), a cavity is formed between the upper shell (1) and the lower shell (2), the circuit board (6) is arranged in the cavity and arranged on the lower shell (2), and an access port (60) for connecting with an external lead is arranged on the circuit board (6);

the upper shell (1) is provided with an opening (10), the fan blades (3) are arranged on the opening (10) in a rotatable mode, and the fan blades (3) cover the opening (10) in a normal state; driving piece (5) and circuit board (6) electric connection, driving piece (5) and connecting rod (4) drive are connected and can drive connecting rod (4) and remove, connecting rod (4) and a plurality of flabellum (3) drive are connected to can drive flabellum (3) and rotate in order to open opening (10).

2. The dustproof LED power supply according to claim 1, wherein the driving member (5) comprises a magnet (50) and an electromagnet (51), the magnet (50) is installed at a first end of the upper shell (1), the electromagnet (51) is installed at a second end of the upper shell (1) and is electrically connected with the circuit board (6), both ends of the connecting rod (4) are provided with magnetic receiving portions (40), and the magnetic receiving portions (40) can be attracted with the magnet (50) or the electromagnet (51);

when the electromagnet (51) is not electrified, the magnetic force of the magnet (50) acts on the magnetic part (40) to enable the connecting rod (4) to move towards the first end of the upper shell (1) so as to drive the fan blade (3) to rotate and cover the opening (10); when the electromagnet (51) is electrified, the magnetic force of the electromagnet (51) is larger than that of the magnet (50), and the connecting rod (4) is enabled to move towards the second end of the upper shell (1) so as to drive the fan blades (3) to rotate and open the opening (10).

3. The dustproof LED power supply according to claim 1, wherein rotary bosses (30) are arranged on two sides of the fan blade (3), rotary grooves (100) are further arranged on two sides of the opening (10), the rotary bosses (30) are rotatably connected with the rotary grooves (100) in the rotary grooves (100), a swinging boss (31) is arranged below one end of the fan blade (3), and the swinging boss (31) is rotatably connected with the connecting rod (4); the movement of the connecting rod (4) can enable the swing boss (31) to swing by taking the rotation boss (30) as a rotation center, and enable one end, away from the swing boss (31), of the fan blade (3) to be away from the upper shell (1) so as to open the opening (10).

4. The dustproof LED power supply according to claim 1, wherein sliding grooves (20) are formed in two sides of the lower shell (2), sliding blocks (11) are formed in two sides of the upper shell (1), and the sliding blocks (11) can be slidably connected with the sliding grooves (20).

5. The dustproof LED power supply according to claim 2, wherein an interface (61) is further arranged on the circuit board (6), a plug (510) is further arranged on the electromagnet (51), and the plug (510) can be inserted into the interface (61) and electrically connects the electromagnet (51) with the circuit board (6).