CN213938731U

CN213938731U - Heat dissipation device for low-voltage electrical apparatus

Info

Publication number: CN213938731U
Application number: CN202120153876.5U
Authority: CN
Inventors: 杨同虎; 高长青; 刘树本; 马立彬; 胡明彬; 孙学岭; 韩希岭
Original assignee: Binzhou Dingcheng Power Equipment Co ltd
Current assignee: Binzhou Dingcheng Power Equipment Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-08-10
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a heat abstractor for low-voltage apparatus, which comprises a housin, the bottom both sides corner of casing all sets up to the inclined plane structure, and the inside of casing has placed the low-voltage apparatus body, the cavity has all been opened to the inside of casing both sides corner, and the terminal surface of cavity is right angled triangle, and the air exit has all been opened at the top of cavity, and one side of air exit all is fixed with ventilative net, and the top inner wall of cavity is fixed with the fan, open one side bottom of cavity has the air intake that runs through the casing, and one side of air intake is fixed with the dust screen. The utility model discloses inside buffer frame, chute, first spring and the movable rod of usable casing cushion the shock attenuation and handle low-voltage electrical apparatus body to the effect of cooperation rubber pad improves the shock attenuation effect, carries out the heat dissipation through the air exit to the low-voltage electrical apparatus body and handles, and utilizes the conical head to reduce the area of contact of low-voltage electrical apparatus body and support otter board, improves the radiating effect.

Description

Heat dissipation device for low-voltage electrical apparatus

Technical Field

The utility model relates to a low-voltage apparatus technical field especially relates to a heat abstractor for low-voltage apparatus.

Background

The low-voltage electrical appliance is an element or equipment which can be manually or automatically switched on and off according to external signals and requirements so as to realize switching, control, protection, detection, transformation and regulation of circuits or non-electric objects. The control devices can be divided into two categories, namely high-voltage control devices and low-voltage control devices according to the working voltage of the control devices, and are basic components of the complete set of electrical equipment.

At present, low-voltage apparatus is when using for a long time, and the operation of inside device can produce a large amount of heats, if not in time carry out the heat dissipation treatment to low-voltage apparatus, can seriously influence low-voltage apparatus's normal use, consequently, need to design a heat abstractor for low-voltage apparatus to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heat dissipation device for a low-voltage electrical appliance.

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

the utility model provides a heat abstractor for low-voltage apparatus, includes the casing, the bottom both sides corner of casing all sets up to the inclined plane structure, and the low-voltage apparatus body has been placed to the inside of casing, the cavity has all been opened to the inside of casing both sides corner, and the terminal surface of cavity is right angled triangle, and the air exit has all been opened at the top of cavity, and one side of air exit all is fixed with ventilative net, and the top inner wall of cavity is fixed with the fan, open one side bottom of cavity has the air intake that runs through the casing, and one side of air intake is fixed with the dust screen.

Preferably, the chute has all been opened at the both ends of casing both sides corner inner wall, and the equal sliding connection of inner wall of chute has the slide, is fixed with first spring between one side of slide and one side of chute, and the top of slide all articulates there is the movable rod, and the top of movable rod articulates there is same support otter board, and the top of supporting the otter board is fixed with the conical head that multiseriate equidistance distributes, and the low-voltage apparatus body is placed at the top of conical head.

Preferably, a buffer frame is fixed between the middle position of the inner wall of the bottom of the shell and the middle position of the outer wall of the bottom of the supporting screen plate, the buffer frame is composed of a telescopic rod and a second spring, and the second spring is sleeved on the outer wall of the telescopic rod.

Preferably, a top cover is hinged to the top of one side of the shell, and rubber pads are bonded to two sides of the bottom of the top cover.

Preferably, a locking structure is arranged between the top of the other side of the shell and one side of the top cover and consists of two connecting seats and a screw rod, threaded holes are formed in the middle of the connecting seats, and the screw rod is arranged inside the threaded holes.

Preferably, the radiating fins distributed at equal intervals are fixed on both sides of the bottom of the shell.

Preferably, the rubber pad is replaced by an air bag, and the top of the air bag is provided with an inflating nozzle penetrating through the top cover.

The utility model has the advantages that:

1. through the casing that sets up, support the otter board, the conical head, the movable rod, the slide, the chute, first spring, the top cap, the rubber pad, locking structure and buffer bracket, place the low-voltage apparatus body on the conical head that supports the otter board, adjust the gradient of top cap, make it coincide with the top opposite side of casing, utilize screw rod and the screw hole in the locking structure to fix the processing to casing and top cap, make the rubber pad press and hold the top at the low-voltage apparatus body, when the low-voltage apparatus body operation, the inside buffer bracket of usable casing, the chute, first spring and movable rod carry out buffering shock attenuation processing to the low-voltage apparatus body, and the effect of cooperation rubber pad improves shock attenuation effect.

2. Through casing, conical head, cavity, air exit, ventilative net, fan, air intake and the dust screen that sets up, utilize fan and air intake with the inside of external air suction casing, carry out the heat dissipation through the air exit to the low-voltage apparatus body and handle to utilize the conical head to reduce the area of contact of low-voltage apparatus body and support otter board, improve the radiating effect of low-voltage apparatus body bottom.

3. Through the top cover, the air bag and the inflating nozzle, when the top cover is fixed on the shell, a proper amount of air is filled into the air bag through the inflating nozzle, the shape of the air bag is changed, the air bag is pressed and held at the top of the low-voltage electric appliance body, and the buffering and shock absorption efficiency of the device is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a heat sink for a low-voltage apparatus according to embodiment 1;

fig. 2 is a schematic front sectional view of a heat sink for a low voltage apparatus according to embodiment 1;

fig. 3 is a schematic structural view of an air bag and an air charging nozzle of the heat dissipation device for a low-voltage electrical apparatus in embodiment 2.

In the figure: the air-cooling type air-conditioning device comprises a shell 1, a chute 2, a first spring 3, a ventilating net 4, a supporting net plate 5, a conical head 6, a movable rod 7, a radiating fin 8, a low-voltage apparatus body 9, a locking structure 10, a top cover 11, a rubber pad 12, a cavity 13, an air outlet 14, a buffer frame 15, a fan 16, an air bag 17 and an air charging nozzle 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a heat abstractor for low-voltage apparatus, including casing 1, casing 1's bottom both sides corner all sets up to the inclined plane structure, and low-voltage apparatus body 9 has been placed to casing 1's inside, cavity 13 has all been opened to the inside of casing 1 both sides corner, and the terminal surface of cavity 13 is right angled triangle, air exit 14 has all been opened at cavity 13's top, there is ventilative net 4 one side of air exit 14 all through bolted connection, there is fan 16 cavity 13's top inner wall through bolted connection, one side bottom of cavity 13 is opened there is the air intake that runs through casing 1, and there is the dust screen one side of air intake through bolted connection.

Wherein, chute 2 has all been opened at the both ends of 1 both sides corner inner wall of casing, and the equal sliding connection of inner wall of chute 2 has the slide, and the welding has first spring 3 between one side of slide and one side of chute 2, and the top of slide all articulates there is movable rod 7, and the top of movable rod 7 articulates there is same support otter board 5, and the top welding of support otter board 5 has the conical head 6 that the multiseriate equidistance distributes, and low-voltage apparatus body 9 is placed at the top of conical head 6.

Wherein, the welding has buffer frame 15 between the bottom inner wall intermediate position of casing 1 and the bottom outer wall intermediate position of supporting otter board 5, and buffer frame 15 comprises telescopic link and second spring, and the second spring cup joints the outer wall at the telescopic link.

Wherein, one side top of casing 1 articulates there is top cap 11, and top cap 11's bottom both sides all bond there is rubber pad 12.

Wherein, be provided with locking structure 10 between the opposite side top of casing 1 and one side of top cap 11, and locking structure 10 comprises two connecting seats and screw rod, and the screw hole has all been opened to the intermediate position of connecting seat, and the screw rod setting is in the inside of screw hole.

Wherein, the radiating fins 8 which are distributed equidistantly are welded on both sides of the bottom of the shell 1.

The working principle is as follows: when in use, a user places the low-voltage apparatus body 9 on the conical head of the supporting screen plate 5, adjusts the inclination of the top cover 11 to be matched with the other side of the top of the shell 1, fixes the shell 1 and the top cover 11 by using the screw rod and the threaded hole in the locking structure 10, so that the rubber pad 12 is pressed on the top of the low-voltage apparatus body 9, when the low-voltage apparatus body 9 is operated, the buffer frame 15, the chute 2, the first spring 3 and the movable rod 7 in the shell 1 can be used for buffering and damping the low-voltage apparatus body 9, and the shock absorption effect is improved by matching with the action of the rubber pad 12, a user utilizes the fan 16 and the air inlet to draw outside air into the shell 1, the low-voltage apparatus body 9 is subjected to heat dissipation treatment through the air outlet 14, the contact area between the low-voltage apparatus body 9 and the supporting screen plate 5 is reduced by using the conical head 6, and the heat dissipation effect at the bottom of the low-voltage apparatus body is improved.

Example 2

Referring to fig. 3, in the present embodiment, compared to embodiment 1, a rubber pad 12 is replaced by an air bag 17, and an inflation nozzle 18 penetrating through a top cover 11 is disposed at the top of the air bag 17.

The working principle is as follows: when the top cover 11 is fixed on the shell 1, a user fills a proper amount of gas into the air bag 17 through the inflating nozzle 18, changes the shape of the air bag 17, enables the air bag 17 to be pressed and held at the top of the low-voltage apparatus body 9, changes the clamping structure of the low-voltage apparatus body 9, and improves the buffering and damping efficiency of the device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a heat abstractor for low-voltage apparatus, includes casing (1), its characterized in that, the bottom both sides corner of casing (1) all sets up to the inclined plane structure, and low-voltage apparatus body (9) have been placed to the inside of casing (1), cavity (13) have all been opened to the inside of casing (1) both sides corner, and the terminal surface of cavity (13) is right angled triangle, and air exit (14) have all been opened at the top of cavity (13), and one side of air exit (14) all is fixed with ventilative net (4), and the top inner wall of cavity (13) is fixed with fan (16), open one side bottom of cavity (13) has the air intake that runs through casing (1), and one side of air intake is fixed with the dust screen.

2. The heat dissipation device for the low-voltage electrical apparatus according to claim 1, wherein two ends of the inner walls of the corners at two sides of the housing (1) are both provided with an inclined groove (2), the inner walls of the inclined grooves (2) are both connected with a sliding seat in a sliding manner, a first spring (3) is fixed between one side of the sliding seat and one side of the inclined groove (2), the top of the sliding seat is hinged with a movable rod (7), the top of the movable rod (7) is hinged with a same supporting screen plate (5), the top of the supporting screen plate (5) is fixed with a plurality of rows of conical heads (6) which are distributed equidistantly, and the low-voltage electrical apparatus body (9) is placed on the top of the conical heads (6).

3. The heat sink for low voltage apparatus as claimed in claim 2, wherein a buffer rack (15) is fixed between the middle position of the bottom inner wall of the housing (1) and the middle position of the bottom outer wall of the supporting net plate (5), and the buffer rack (15) is composed of a telescopic rod and a second spring, and the second spring is sleeved on the outer wall of the telescopic rod.

4. The heat sink for low-voltage electrical apparatus according to claim 3, wherein a top cover (11) is hinged to a top of one side of the housing (1), and rubber pads (12) are bonded to two sides of a bottom of the top cover (11).

5. The heat sink for low-voltage electrical apparatus according to claim 4, wherein a locking structure (10) is disposed between the top of the other side of the housing (1) and one side of the top cover (11), and the locking structure (10) comprises two connecting seats and a screw rod, the middle positions of the connecting seats are both provided with threaded holes, and the screw rod is disposed inside the threaded holes.

6. A heat sink for low-voltage electrical appliances, according to any one of claims 1 to 5, characterized in that the heat sink fins (8) are fixed to both sides of the bottom of the housing (1) and are equally spaced.

7. The heat sink for low-voltage electrical appliances according to claim 4, wherein the rubber pad (12) is replaced by an air bag (17), and the top of the air bag (17) is provided with an air charging nozzle (18) penetrating through the top cover (11).