CN216357461U

CN216357461U - Anticreep circuit board of little household electrical appliances

Info

Publication number: CN216357461U
Application number: CN202122594514.2U
Authority: CN
Inventors: 钟磊
Original assignee: Foshan Shunde Xinzhibao Electronic Technology Co ltd
Current assignee: Foshan Shunde Xinzhibao Electronic Technology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-19
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses an anti-creeping circuit board of a small household appliance, wherein a heat collecting layer is fixedly arranged at the bottom of a main control circuit board, and a heat dissipation conducting layer is fixedly arranged at the bottom of the heat collecting layer. This anticreep circuit board of little household electrical appliances, through the supporting shoe, the chamber is placed to the elastic ball, accept mutually supporting of post and support planking, the intensity of anticreep circuit board has been improved, receive the difficult deformation that takes place of outside extrusion, certain buffer function has, can realize recovering, guarantee the normal use of anticreep circuit board, the life of extension circuit board, utilize the heat dissipation conducting layer, heat dissipation fin and dustproof mesh enclosure, improve the heat dispersion of anticreep circuit board, avoid the circuit board to be in high temperature environment for a long time, reduce the probability of circuit board electric leakage, through mutually supporting of first louvre and second louvre, further guarantee the quick heat dissipation of main control circuit board, prevent to take place deformation because of the high temperature.

Description

Anticreep circuit board of little household electrical appliances

Technical Field

The utility model relates to the technical field of circuit boards, in particular to an anti-creeping circuit board for small household appliances.

Background

The circuit board is an important electronic component, is a support body of an electronic component, is a carrier for electrical connection of the electronic component, and has the following names: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper plates, impedance boards, PCBs, ultra-thin circuit boards, printed circuit boards, and the like. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board can be called as a printed circuit board or a printed circuit board, an FPC circuit board and a rigid-flex board, and the birth and development of the FPC and the PCB urge the development of a new product of the rigid-flex board. Therefore, the rigid-flex circuit board is a circuit board with FPC (flexible printed circuit) characteristics and PCB (printed circuit board) characteristics, which is formed by combining a flexible circuit board and a rigid circuit board according to relevant process requirements through processes such as pressing and the like.

The existing anti-creeping circuit board is low in strength, easy to deform when being extruded from the outside, and can be directly fractured when being serious, the circuit board after deformation cannot be restored, the normal function is influenced, the service life of the circuit board is reduced, the heat dissipation performance of the circuit board is poor, the circuit board under the high-temperature working environment is easy to damage, the probability of electric leakage of the circuit board is improved, and people face the danger of electric shock.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an anti-creeping circuit board for small household appliances, which solves the problems that the circuit board is easy to deform and directly break when being extruded from the outside, the deformed circuit board cannot be restored, the heat dissipation performance of the circuit board is poor, and the circuit board is easy to damage under a high-temperature working environment for a long time.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an anti-creeping circuit board for small household appliances comprises a main control circuit board, wherein a heat collecting layer is fixedly arranged at the bottom of the main control circuit board, a heat dissipation conducting layer is fixedly arranged at the bottom of the heat collecting layer, a plurality of heat dissipation fins are uniformly and fixedly arranged in the middle of the bottom of the heat dissipation conducting layer, a substrate protective layer is fixedly arranged at the top of the main control circuit board, an insulation fastening cutting sleeve is clamped between the heat dissipation conducting layer and the side surface of the substrate protective layer, an insulation outer frame is fixedly sleeved between the outer surfaces of the insulation fastening cutting sleeve, a plurality of elastic reinforcing rib assemblies are uniformly and fixedly arranged between the top of the substrate protective layer and the top wall of an inner cavity of the insulation outer frame and between the bottom of the heat dissipation conducting layer and the bottom of the inner cavity of the insulation outer frame, an electronic element is fixedly arranged at the top of the insulation outer frame, each elastic reinforcing rib assembly comprises a supporting block, an elastic ball placing cavity is arranged in the middle of the supporting block, the elastic ball is fixedly placed in the elastic ball placing cavity, the upper end and the lower end of the elastic ball placing cavity in the supporting block are respectively provided with a limiting cavity communicated with the elastic ball placing cavity, the upper end and the lower end of the supporting block are respectively provided with a sliding cavity communicated with the elastic ball placing cavity, the two sliding cavities are respectively provided with a bearing column in a sliding mode, a limiting fixture block is sleeved on the outer surface of the bearing column in a fixed mode, the limiting fixture block is located in the corresponding limiting cavity, and the two bearing columns are fixedly connected with a supporting outer plate at the ends, far away from the supporting block, of the two bearing columns.

Preferably, a plurality of first heat dissipation holes are uniformly formed in one circle of the side surface of the insulating fastening clamping sleeve, and the first heat dissipation holes are located on the side surface of the main control circuit board.

Preferably, a plurality of second heat dissipation holes correspondingly communicated with the first heat dissipation holes are uniformly formed in one circle of the side surface of the insulating outer frame.

Preferably, the first heat dissipation hole and the second heat dissipation hole are arranged in a V shape in a communication state.

Preferably, a dustproof mesh enclosure is fixedly arranged in the middle of the bottom of the insulating outer frame, and the bottoms of the plurality of radiating fin plates penetrate through the outside of the dustproof mesh enclosure.

Preferably, four corners of the bottom of the insulating outer frame are fixedly connected with insulating supporting piles, and the bottom of each insulating supporting pile is fixedly connected with a magnetic adsorption layer.

Advantageous effects

The utility model provides an anti-creeping circuit board for small household appliances. Compared with the prior art, the method has the following beneficial effects:

(1) the anti-creeping circuit board of the small household appliance is characterized in that a plurality of elastic reinforcing rib assemblies are uniformly and fixedly arranged between the top of a substrate protective layer and the top wall of an inner cavity of an insulating outer frame, between the bottom of a heat dissipation conduction layer and the bottom of the inner cavity of the insulating outer frame, an electronic element is fixedly arranged at the top of the insulating outer frame, each elastic reinforcing rib assembly comprises a supporting block, an elastic ball placing cavity is formed in the middle of the inner cavity of each supporting block, an elastic ball is fixedly placed in each elastic ball placing cavity, communicated limiting cavities are formed in the supporting blocks and positioned at the upper end and the lower end of each elastic ball placing cavity, sliding cavities communicated with the elastic ball placing cavities are formed in the upper end and the lower end of each supporting block, bearing columns are respectively placed in the two sliding cavities in a sliding mode, a limiting fixture block is fixedly sleeved on the outer surfaces of the bearing columns, the limiting fixture blocks are positioned in the corresponding limiting cavities, and one ends, far away from the supporting blocks, of the two bearing columns are respectively and fixedly connected with a supporting plate, placing the chamber, accepting the post and supporting mutually supporting of planking through supporting shoe, elastic ball, having improved the intensity of anticreep circuit board, receive the difficult deformation that takes place of outside extrusion, have certain buffer function, can realize recovering, guarantee the normal use of anticreep circuit board, the life of extension circuit board.

(2) The anti-creeping circuit board of the small household appliance is characterized in that a heat collecting layer is fixedly arranged at the bottom of a main control circuit board, a heat dissipation conducting layer is fixedly arranged at the bottom of the heat collecting layer, a plurality of heat dissipation fins are uniformly and fixedly arranged in the middle of the bottom of the heat dissipation conducting layer, a substrate protective layer is fixedly arranged at the top of the main control circuit board, an insulating fastening sleeve is clamped between the heat dissipation conducting layer and the side surface of the substrate protective layer, an insulating outer frame is fixedly sleeved between the outer surfaces of the insulating fastening sleeve, a plurality of first heat dissipation holes are uniformly formed in a circle on the side surface of the insulating fastening sleeve, the first heat dissipation holes are positioned on the side surface of the main control circuit board, a plurality of second heat dissipation holes correspondingly communicated with the first heat dissipation holes are uniformly formed in a circle on the side surface of the insulating outer frame, a V-shaped arrangement is formed between the first heat dissipation holes and the second heat dissipation holes in a communicated state, and a dustproof mesh enclosure is fixedly arranged in the middle of the bottom of the insulating outer frame, the bottom of a plurality of heat dissipation fins all runs through to the outside of dustproof screen panel, utilizes heat dissipation conducting layer, heat dissipation fins and dustproof screen panel, improves the heat dispersion of anticreep circuit board, avoids the circuit board to be in high temperature environment for a long time, reduces the probability of circuit board electric leakage, through mutually supporting of first louvre and second louvre, further guarantees the quick heat dissipation of master control circuit board, and the first louvre and the second louvre of the state of intercommunication are the setting of V style of calligraphy simultaneously, avoid the dust to get into inside, prevent to take place deformation because of the high temperature.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a cross-sectional view of the resilient stiffener assembly of the present invention.

In the figure: 1. a main control circuit board; 2. a heat collecting layer; 3. a heat dissipating conductive layer; 4. a heat dissipation fin plate; 5. a substrate protective layer; 6. an insulating fastening ferrule; 7. an insulating outer frame; 8. a first heat dissipation hole; 9. a second heat dissipation hole; 10. a dust-proof net cover; 11. an elastic stiffener assembly; 111. a support block; 112. an elastic ball placing cavity; 113. an elastic ball; 114. a limiting cavity; 115. a sliding cavity; 116. supporting the outer plate; 117. a support post; 118. a limiting clamping block; 12. an electronic component; 13. insulating support piles; 14. a magnetic adsorption layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-creeping circuit board for small household appliances comprises a main control circuit board 1, wherein a heat collecting layer 2 is fixedly arranged at the bottom of the main control circuit board 1, a heat radiating conducting layer 3 is fixedly arranged at the bottom of the heat collecting layer 2, a plurality of heat radiating fins 4 are uniformly and fixedly arranged in the middle of the bottom of the heat radiating conducting layer 3, a substrate protecting layer 5 is fixedly arranged at the top of the main control circuit board 1, an insulating fastening sleeve 6 is clamped between the heat radiating conducting layer 3 and the side surface of the substrate protecting layer 5, an insulating outer frame 7 is fixedly sleeved between the outer surfaces of the insulating fastening sleeve 6, a plurality of elastic reinforcing rib assemblies 11 are uniformly and fixedly arranged between the top of the substrate protecting layer 5 and the top wall of an inner cavity of the insulating outer frame 7 and between the bottom of the heat radiating conducting layer 3 and the bottom of the inner cavity of the insulating outer frame 7, an electronic element 12 is fixedly arranged at the top of the insulating outer frame 7, and each elastic reinforcing rib assembly 11 comprises a supporting block 111, an elastic ball placing cavity 112 is formed in the middle of an inner cavity of the supporting block 111, an elastic ball 113 is fixedly placed in the elastic ball placing cavity 112, communicated limiting cavities 114 are formed in the inner part of the supporting block 111 and located at the upper end and the lower end of the elastic ball placing cavity 112, sliding cavities 115 communicated with the elastic ball placing cavity 112 are formed in the upper end and the lower end of the supporting block 111, receiving columns 117 are respectively placed in the two sliding cavities 115 in a sliding mode, limiting fixture blocks 118 are fixedly sleeved on the outer surfaces of the receiving columns 117, the limiting fixture blocks 118 are located in the corresponding limiting cavities 114, supporting outer plates 116 are fixedly connected to the ends, far away from the supporting block 111, of the two receiving columns 117, the supporting block 111, the elastic ball placing cavity 112, the receiving columns 117 and the supporting outer plates 116 are matched with each other, the strength of the anti-leakage circuit board is improved, deformation is not prone to occur due to external extrusion, and the anti-leakage circuit board has a certain buffering function and can realize restoration, ensuring the normal use of the anti-creeping circuit board, prolonging the service life of the circuit board, uniformly arranging a plurality of first heat dissipation holes 8 on a circle of the side surface of the insulating fastening cutting sleeve 6, wherein the first heat dissipation holes 8 are positioned on the side surface of the main control circuit board 1, uniformly arranging a plurality of second heat dissipation holes 9 correspondingly communicated with the first heat dissipation holes 8 on a circle of the side surface of the insulating outer frame 7, arranging the first heat dissipation holes 8 and the second heat dissipation holes 9 in a V shape in a communicated state, fixedly arranging a dust guard 10 in the middle of the bottom of the insulating outer frame 7, penetrating the bottoms of a plurality of heat dissipation fins 4 to the outside of the dust guard 10, fixedly connecting insulating support piles 13 at four corners of the bottom of the insulating outer frame 7, fixedly connecting magnetic adsorption layers 14 at the bottoms of the insulating support piles 13, and improving the heat dissipation performance of the anti-creeping circuit board by utilizing the heat dissipation conduction layer 3, the heat dissipation fins 4 and the dust guard 10, avoid the circuit board to be in high temperature environment for a long time, reduce the probability of circuit board electric leakage, through mutually supporting of first louvre 8 and second louvre 9, further guarantee main control circuit board 1 and dispel the heat fast, the first louvre 8 and the second louvre 9 of the state of intercommunication are the V style of calligraphy setting simultaneously, avoid the dust to get into inside, prevent to take place deformation because of the high temperature.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anticreep circuit board of little household electrical appliances, includes main control circuit board (1), its characterized in that: the bottom of the main control circuit board (1) is fixedly provided with a heat collecting layer (2), the bottom of the heat collecting layer (2) is fixedly provided with a heat dissipation conducting layer (3), a plurality of radiating fins (4) are uniformly and fixedly arranged in the middle of the bottom of the radiating conduction layer (3), a base material protective layer (5) is fixedly arranged on the top of the main control circuit board (1), an insulating fastening clamp sleeve (6) is clamped between the side surfaces of the heat dissipation conducting layer (3) and the base material protective layer (5), an insulating outer frame (7) is fixedly sleeved between the outer surfaces of the insulating fastening clamping sleeves (6), a plurality of elastic reinforcing rib assemblies (11) are uniformly and fixedly arranged between the top of the substrate protective layer (5) and the top wall of the inner cavity of the insulating outer frame (7) and between the bottom of the heat dissipation and conduction layer (3) and the bottom of the inner cavity of the insulating outer frame (7), an electronic element (12) is fixedly arranged at the top of the insulating outer frame (7);

the elastic reinforcing rib component (11) comprises a supporting block (111), an elastic ball placing cavity (112) is formed in the middle of an inner cavity of the supporting block (111), an elastic ball (113) is fixedly placed in the elastic ball placing cavity (112), communicated limiting cavities (114) are respectively formed in the supporting block (111) and positioned at the upper end and the lower end of the elastic ball placing cavity (112), the upper end and the lower end of the supporting block (111) are both provided with sliding cavities (115) communicated with the elastic ball placing cavity (112), the insides of the two sliding cavities (115) are both provided with bearing columns (117) in a sliding way, a limiting clamping block (118) is fixedly sleeved on the outer surface of the bearing column (117), the limiting clamping blocks (118) are located inside the corresponding limiting cavities (114), and one ends, far away from the supporting blocks (111), of the two bearing columns (117) are fixedly connected with supporting outer plates (116).

2. The anti-creeping circuit board of a small household appliance according to claim 1, wherein: a plurality of first heat dissipation holes (8) are uniformly formed in one circle of the side surface of the insulating fastening clamping sleeve (6), and the first heat dissipation holes (8) are located on the side surface of the main control circuit board (1).

3. The anti-creeping circuit board of a small household appliance according to claim 2, wherein: a plurality of second heat dissipation holes (9) which are correspondingly communicated with the first heat dissipation holes (8) are uniformly formed in one circle on the side surface of the insulating outer frame (7).

4. An anti-creeping circuit board for small household electrical appliances according to claim 3, characterized in that: the first heat dissipation hole (8) and the second heat dissipation hole (9) are arranged in a V shape in a communication state.

5. The anti-creeping circuit board of a small household appliance according to claim 1, wherein: the middle of the bottom of the insulating outer frame (7) is fixedly provided with a dustproof mesh enclosure (10), and the bottoms of the heat dissipation fin plates (4) penetrate through the outside of the dustproof mesh enclosure (10).

6. The anti-creeping circuit board of a small household appliance according to claim 1, wherein: all fixedly connected with insulating support stake (13) in the bottom four corners of insulating frame (7), the bottom fixedly connected with magnetic adsorption layer (14) of insulating support stake (13).