CN210074828U

CN210074828U - Anti-falling circuit main board inside charger

Info

Publication number: CN210074828U
Application number: CN201921152832.XU
Authority: CN
Inventors: 黄国辉
Original assignee: Shenzhen Xiangzhida Technology Co Ltd
Current assignee: Shenzhen Xiangzhida Technology Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-02-14
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses an anti-falling circuit mainboard inside a charger, which comprises a circuit mainboard, wherein a plurality of slots are arranged on the side surface of the circuit mainboard, a cooling fin is inserted into each slot, one end of the cooling fin, which is far away from each slot, is connected with two flexible protective covers, and the two flexible protective covers respectively cover the upper surface and the lower surface of the circuit mainboard; an arc-shaped channel is arranged in the flexible protective cover, a plurality of floating balls are arranged in the arc-shaped channel, and a weight reduction cavity is arranged in each floating ball; the arc-shaped channel is used for storing liquid, and the floating ball floats on the liquid; the opposite surfaces of the two flexible protective covers on the same side are provided with a thinning part, and the two thinning parts are connected through an elastic part. The utility model has stable structure and good anti-seismic effect; the heat dissipation and the anti-falling effect are good, the damage is not easy, and the service life is longer.

Description

Anti-falling circuit main board inside charger

Technical Field

The utility model relates to a circuit board field, concretely relates to charger is inside prevents falling circuit board.

Background

The charger adopts a high-frequency power supply technology and applies an advanced intelligent dynamic adjustment charging technology. The industrial frequency machine is designed by the traditional analog circuit principle, internal electric devices (such as a transformer, an inductor, a capacitor and the like) of the machine are large, and small noise exists in the general operation with large load, but the industrial frequency machine has stronger resistance performance in severe power grid environment conditions, and has stronger reliability and stability than a high-frequency machine.

The charger generally includes a circuit board, and the conventional circuit board is generally fixed by screws. The charger often also causes the damage of circuit mainboard when dropping.

Disclosure of Invention

The utility model aims to solve the technical problem that a can solve the inside circuit board that falls that prevents of charger of above-mentioned problem.

The utility model discloses a realize through following technical scheme: an anti-falling circuit main board inside a charger comprises a circuit main board, wherein a plurality of slots are formed in the side face of the circuit main board, a radiating fin is inserted into each slot, one end, far away from each slot, of each radiating fin is connected with two flexible protective covers, and the two flexible protective covers cover the upper surface and the lower surface of the circuit main board respectively; an arc-shaped channel is arranged in the flexible protective cover, a plurality of floating balls are arranged in the arc-shaped channel, and a weight reduction cavity is arranged in each floating ball; the arc-shaped channel is used for storing liquid, and the floating ball floats on the liquid; the opposite surfaces of the two flexible protective covers on the same side are provided with a thinning part, and the two thinning parts are connected through an elastic part.

As a preferred technical scheme, the radiating fin is made of metal, and a plurality of concave parts are arranged on the surface of the radiating fin; the radiating fins are of a nearly U-shaped structure; the radiating fin comprises an upper transverse part, a lower transverse part and a vertical part, the vertical part is positioned between the two transverse parts, and a gap is formed between the transverse parts and the inner wall of the slot; the vertical part is fixed with the bottom of the slot.

As a preferred technical scheme, the flexible protective cover is of an arc-shaped structure, and one side of the flexible protective cover is fixed with the circuit main board; the flexible protective cover can be made of rubber; a fixed slot is seted up to one side of flexible safety cover, and the fin inserts fixedly in the fixed slot.

As the preferred technical scheme, the floating ball is made of rubber or plastics, and gas is stored in the weight reducing cavity; the liquid is insulating liquid.

As preferred technical scheme, the elastic component includes a spring, and the upper and lower both ends of spring all welded fastening one connecting plate, and the connecting plate bonds fixedly between with the portion of reducing thinness.

The utility model has the advantages that: the utility model has stable structure and good anti-seismic effect; the heat dissipation and the anti-falling effect are good, the damage is not easy, and the service life is longer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a structural diagram of the flexible protective cover of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and 2, the protection circuit board comprises a circuit main board 1, a plurality of slots 2 are formed in the side surface of the circuit main board 1, a heat sink 3 is inserted into each slot, one end of each heat sink 3, which is far away from each slot, is connected with two flexible protection covers 5, and the two flexible protection covers 5 respectively cover the upper surface and the lower surface of the circuit main board 1 to form protection for the circuit main board; an arc-shaped channel 501 is arranged in the flexible protective cover, a plurality of floating balls 6 are arranged in the arc-shaped channel, and a weight reduction cavity is arranged in each floating ball, so that the weight is reduced; the arc-shaped channel is stored with liquid, and the floating ball floats on the liquid 7; the opposite faces of the two flexible boots 5 on the same side are each provided with a thinned portion 502, which are connected by an elastic member.

The radiating fins 3 are made of metal, and a plurality of concave parts are arranged on the surfaces of the radiating fins, so that radiating surfaces are increased, and heat dissipation is facilitated; the radiating fins 3 are of a nearly U-shaped structure; the radiating fin comprises an upper transverse part, a lower transverse part and a vertical part, the vertical part is positioned between the two transverse parts, and a gap (not shown) is formed between the transverse parts and the inner wall of the slot; the vertical part is fixed with the groove bottom of the slot through waterproof glue.

The flexible protection cover 5 is of an arc-shaped structure, and one side of the flexible protection cover 5 is fixedly bonded with the circuit main board; the flexible protective cover can be made of rubber, so that the shock resistance is good; one side of the flexible protective cover is provided with a fixing groove, and the radiating fin 3 is inserted into the fixing groove for fixing.

Wherein, the floating ball is made of rubber or plastics, and gas 8 is stored in the weight reducing cavity; the liquid is insulating liquid, and is safer.

The elastic part comprises a spring 901, the upper end and the lower end of the spring are fixedly welded with a connecting plate 902, and the connecting plate and the thinning part are fixedly bonded.

The working principle is as follows: during the use, this device protects circuit motherboard through two flexible safety covers, and flexible safety cover is a bellied structure, and the protection effect is better.

When using, elastic component and flexible safety cover have antidetonation effect, when the charger drops, can play good cushioning effect, have promoted preventing of whole circuit mainboard and have fallen the effect.

The flexible ball in the circuit main board can produce position change along with the removal of charger, and the whole portion of reducing is pushed down to the weight of flexible ball and liquid for whole flexible safety cover pushes down, firmly pushes down whole circuit main board, has promoted the stability of circuit main board.

The radiating fin made of metal improves the radiating effect of the circuit mainboard.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides an inside anti-falling circuit mainboard of charger which characterized in that: the heat dissipation device comprises a circuit main board, wherein a plurality of slots are formed in the side surface of the circuit main board, a heat dissipation sheet is inserted into each slot, one end, far away from each slot, of each heat dissipation sheet is connected with two flexible protection covers, and the two flexible protection covers cover the upper surface and the lower surface of the circuit main board respectively; an arc-shaped channel is arranged in the flexible protective cover, a plurality of floating balls are arranged in the arc-shaped channel, and a weight reduction cavity is arranged in each floating ball; the arc-shaped channel is used for storing liquid, and the floating ball floats on the liquid; the opposite surfaces of the two flexible protective covers on the same side are provided with a thinning part, and the two thinning parts are connected through an elastic part.

2. The anti-drop circuit board inside the charger according to claim 1, wherein: the radiating fin is made of metal, and a plurality of concave parts are arranged on the surface of the radiating fin; the radiating fins are of a nearly U-shaped structure; the radiating fin comprises an upper transverse part, a lower transverse part and a vertical part, the vertical part is positioned between the two transverse parts, and a gap is formed between the transverse parts and the inner wall of the slot; the vertical part is fixed with the bottom of the slot.

3. The anti-drop circuit board inside the charger according to claim 1, wherein: the flexible protective cover is of an arc-shaped structure, and one side of the flexible protective cover is fixed with the circuit main board; the flexible protective cover can be made of rubber; a fixed slot is seted up to one side of flexible safety cover, and the fin inserts fixedly in the fixed slot.

4. The anti-drop circuit board inside the charger according to claim 1, wherein: the floating ball is made of rubber or plastic, and gas is stored in the weight reducing cavity; the liquid is insulating liquid.

5. The anti-drop circuit board inside the charger according to claim 1, wherein: the elastic piece comprises a spring, the upper end and the lower end of the spring are fixedly welded with a connecting plate, and the connecting plate is fixedly bonded with the thinning part.