CN218103639U - Overheat protection device of circuit board - Google Patents

Abstract

The application belongs to the technical field of circuit boards, and discloses an overheat protection device of a circuit board, which adopts the technical scheme that: the protective device comprises an upper shell and a lower shell, wherein protective mechanisms are arranged inside the upper shell and the lower shell and extend to the outer sides of the upper shell and the lower shell; protection mechanism includes four spouts, four the inner wall at the bottom of last casing top inner wall and lower casing is seted up respectively to the spout, and an overheat protection device of circuit board beneficial effect is: place the circuit board back between two heat-conducting plates, cooperate through four springs, four sliders, four arm-tie and four connecting blocks, the realization can all protect the circuit board of high difference, and then improved the application scope of device, two heat-conducting plates simultaneously, a plurality of heat conduction posts and two heating panels cooperate, give off the external environment with the heat, all scribble the aluminium lamination because of two heat-conducting plates, a plurality of heat conduction posts and two heating panel surfaces, make can improve thermal scattered and lost effect greatly.

Description

Overheat protection device of circuit board

Technical Field

The present application relates to the field of circuit board technology, and more particularly, to an overheat protection device for a circuit board.

Background

The circuit board has the following names: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc.

Most of the existing circuit board protection devices are single in function, the problems of poor heat dissipation and overhigh surface temperature generally exist, and the internal circuit can be easily burnt when the temperature of the circuit board is overhigh.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application provides an overheat protection apparatus for a circuit board.

The application provides an overheat protection device of circuit board adopts following technical scheme:

an overheat protection device of a circuit board comprises an upper shell and a lower shell, wherein protection mechanisms are arranged inside the upper shell and the lower shell, and extend to the outer sides of the upper shell and the lower shell;

protection mechanism includes four spouts, four the spout is seted up respectively at last casing top inner wall and casing bottom inner wall down, four the inside equal fixed spring, four of inlaying of spout be equipped with the equal fixedly connected with slider in spring, four be equipped with four connecting blocks, four between the slider the connecting block all is equipped with the arm-tie with four slider front sides, four the arm-tie all passes through hinge swing joint, four with four connecting blocks and four sliders two heating panels of the inboard fixedly connected with of connecting block, two a plurality of heat conduction posts of the inboard equal fixedly connected with of heating panel, it is a plurality of the heat conduction post is the even form and distributes, and is a plurality of the inboard fixedly connected with heat-conducting plate of heat conduction post.

Furthermore, go up the inside equal fixedly connected with gag lever post of casing and lower casing, two the gag lever post inlays respectively to be established inside four sliders, four the slider is with two equal swing joint of gag lever post.

Through the technical scheme, the four sliding blocks are more stable when moving left and right by arranging the two limiting rods.

Furthermore, a plurality of ventilation holes have been seted up to lower casing bottom, and are a plurality of the ventilation hole is the uniform distribution.

Through above-mentioned technical scheme, through seting up a plurality of ventilation holes for the inside air of upper casing and lower casing keeps the circulation.

Furthermore, the ventilation component comprises four through grooves, wherein the four through grooves are formed in two sides of the upper shell and the lower shell respectively, the two sides of the upper shell and the two sides of the lower shell are respectively provided with an annular clamping groove, and the annular clamping grooves are internally and respectively embedded with an annular frame.

Through the technical scheme, the four annular frames are matched with the four annular grooves, so that the four dustproof nets are convenient to disassemble and install.

Furthermore, the outer sides of the four annular frames are fixedly connected with dust screens, and electric fans are embedded in the four through grooves.

Through above-mentioned technical scheme, through setting up four fans, can accelerate the radiating efficiency of last casing and lower casing inside.

Furthermore, the joints of the four fans and the four dust screens are movably connected through bearings.

Through the technical scheme, the four electric fans are more stable when rotating.

To sum up, the present application includes at least one of the following advantageous technical effects:

(1) After the circuit board is placed between the two heat-conducting plates, the circuit board with different heights can be protected by matching the four springs, the four sliding blocks, the four pulling plates and the four connecting blocks, so that the application range of the device is further improved, meanwhile, the two heat-conducting plates, the plurality of heat-conducting columns and the two heat-radiating plates are matched to radiate heat to the external environment, and the aluminum layers are coated on the surfaces of the two heat-conducting plates, the plurality of heat-conducting columns and the two heat-radiating plates, so that the heat radiation effect can be greatly improved;

(2) Through starting four fans, four fans can distribute external environment through four logical grooves fast with two heat-conducting plates, a plurality of heat conduction posts and two radiating heats to realize improving the radiating effect, make can protect the circuit board effectively, four lead to the dust screen in the groove outside, can prevent that external dust from getting into inside casing and the lower casing, make can prevent to cause the pollution to the circuit board, also can prevent to exert an influence to the radiating effect simultaneously.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a cross-sectional view of the overall structure of the present application;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

fig. 4 is a partial perspective view of the present application.

The reference numbers in the figures illustrate:

1. an upper housing; 2. a lower housing; 3. a spring; 4. a slider; 5. connecting blocks; 6. pulling a plate; 7. a hinge; 8. a heat dissipation plate; 9. a heat-conducting column; 10. a heat conducting plate; 11. a limiting rod; 12. an annular frame; 13. a dust screen; 14. an electric fan.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the embodiments described are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1 to 4, an overheat protection device for a circuit board in the embodiment of the present application includes an upper housing 1 and a lower housing 2, wherein a protection mechanism is disposed inside the upper housing 1 and the lower housing 2, and the protection mechanism extends to the outer side of the upper housing 1 and the outer side of the lower housing 2;

the protection mechanism comprises four sliding grooves, the four sliding grooves are respectively formed in the top inner wall of the upper shell 1 and the bottom inner wall of the lower shell 2, springs 3 are fixedly embedded in the four sliding grooves, sliding blocks 4 are fixedly connected to the inner ends of the four springs 3, four connecting blocks 5 are arranged between the four sliding blocks 4, pull plates 6 are arranged on the front sides of the four connecting blocks 5 and the front sides of the four sliding blocks 4, the four pull plates 6 are movably connected with the four connecting blocks 5 and the four sliding blocks 4 through hinges 7, two heat dissipation plates 8 are fixedly connected to the inner sides of the four connecting blocks 5, a plurality of heat conduction columns 9 are fixedly connected to the inner sides of the two heat dissipation plates 8, the plurality of heat conduction columns 9 are uniformly distributed, and heat conduction plates 10 are fixedly connected to the inner sides of the plurality of heat conduction columns 9;

in the embodiment, the circuit board is placed between the two heat conduction plates 10, the circuit board will extrude the two heat conduction plates 10, the two heat conduction plates 10 extrude the two heat dissipation plates 8 through the plurality of heat conduction columns 9, the two heat dissipation plates 8 respectively extrude the four springs 3 through matching with the four connecting blocks 5, the four pull plates 6 and the four sliding blocks 4, the four springs 3 are stressed and in a compression state, so that the circuit boards with different heights can be protected, meanwhile, the two heat conduction plates 10 absorb the temperature emitted by the electric heating plate, the plurality of heat conduction columns 9 absorb the temperature in the two heat conduction plates 10, the plurality of heat conduction columns 9 transmit the heat to the two heat dissipation plates 8, the two heat dissipation plates 8 emit the heat to the external environment, and the heat dissipation effect can be improved because the surfaces of the two heat conduction plates 10, the plurality of heat conduction columns 9 and the two heat dissipation plates 8 are coated with aluminum layers;

wherein, in order to realize the purpose of ventilation, this device adopts following technical scheme to realize: the ventilation part includes four logical grooves, four logical grooves are seted up respectively at last casing 1 and casing 2 both sides down, ring groove has all been seted up to last casing 1 and casing 2 both sides down, ring frame 12 has all been inlayed to four ring groove insides, four equal fixedly connected with dust screen 13 in the 12 outsides of ring frame, four logical inslot portions all inlay and are equipped with electric fan 14, four electric fans 14 all pass through bearing swing joint with four dust screen 13 junctions, through starting four electric fans 14, four electric fans 14 can be with two heat-conducting plates 10, a plurality of heat conduction post 9 and two radiating heats distribute external environment fast through four logical grooves, a plurality of ventilation holes have been seted up because of casing 2 bottom down, it can circulate to have guaranteed to go up casing 1 and casing 2 inside air down, thereby realize improving the radiating effect, make can protect the circuit board effectively, dust screen 13 in the four logical groove outsides, can prevent that external dust from getting into casing 1 and casing 2 insides down, make can prevent to cause the pollution to the circuit board, simultaneously also can prevent to exert an influence to the radiating effect, and still can drive ring frame 12 rotation through rotating dustproof net 13, when protrusion position is the top and bottom is symmetrical, thereby realize taking out annular frame from annular 12.

The implementation principle of the overheat protection device of the circuit board in the embodiment of the application is as follows: the user places the circuit board between the two heat conducting plates 10, the circuit board will extrude the two heat conducting plates 10, the two heat conducting plates 10 extrude the two heat radiating plates 8 through the plurality of heat conducting columns 9, the two heat radiating plates 8 respectively extrude the four springs 3 through being matched with the four connecting blocks 5, the four pull plates 6 and the four sliding blocks 4, the four springs 3 are stressed and in a compressed state, thereby realizing the protection of circuit boards with different heights, simultaneously absorbing the temperature emitted by the electric heating plate by the two heat conduction plates 10, absorbing the temperature inside the two heat conduction plates 10 by the plurality of heat conduction columns 9, transferring the heat to the two heat dissipation plates 8 by the plurality of heat conduction columns 9, emitting the heat to the external environment by the two heat dissipation plates 8, because the surfaces of the two heat conduction plates 10, the plurality of heat conduction columns 9 and the two heat dissipation plates 8 are coated with aluminum layers, so that the heat dissipation effect can be improved, the four electric fans 14 are started, the four electric fans 14 can rapidly dissipate the two heat-conducting plates 10, the plurality of heat-conducting columns 9 and the two heat-dissipating heat to the external environment through the four through grooves, and the plurality of ventilation holes are formed at the bottom of the lower shell 2, so that the circulation of air inside the upper shell 1 and the lower shell 2 is ensured, thereby realizing an improvement in heat dissipation effect and making it possible to effectively protect the circuit board, the dust screens 13 outside the four through grooves, can prevent external dust from entering the upper shell 1 and the lower shell 2, so as to prevent the circuit board from being polluted and influence on the heat dissipation effect, and the annular frame 12 can be driven to rotate by rotating the dustproof net 13, when the protruding positions of the top and the bottom of the annular frame 12 are in a vertically symmetrical state, the ring frame 12 can be taken out from the inside of the ring groove, thereby facilitating the installation and the removal of the dust screen 13.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (6)

1. An overheat protection device for a circuit board, comprising an upper case (1) and a lower case (2), characterized in that: the protection mechanisms are arranged inside the upper shell (1) and the lower shell (2) and extend to the outer sides of the upper shell (1) and the lower shell (2);

protection mechanism includes four spouts, four the inner wall, four are seted up respectively at the bottom of last casing (1) top inner wall and casing (2) down at the spout inside all fixed the inlaying be equipped with spring (3), four spring (3) inner equal fixedly connected with slider (4), four be equipped with four connecting block (5), four between slider (4) connecting block (5) and four slider (4) front sides all are equipped with arm-tie (6), four arm-tie (6) and four connecting block (5) and four slider (4) all pass through hinge (7) swing joint, four two heating panel (8) of connecting block (5) inboard two fixedly connected with, two the equal fixedly connected with of heating panel (8) inboard a plurality of heat conduction post (9), it is a plurality of heat conduction post (9) are the even form distribution, and are a plurality of heat conduction post (9) inboard fixedly connected with heat-conducting plate (10), go up casing (1) and casing (2) both sides down and be equipped with the ventilation part.

2. An over-temperature protection device for a circuit board according to claim 1, wherein: go up inside equal fixedly connected with gag lever post (11), two of casing (1) and lower casing (2) gag lever post (11) inlay respectively and establish inside four slider (4), four slider (4) and the equal swing joint of two gag lever posts (11).

3. An over-temperature protection device for a circuit board according to claim 1, wherein: a plurality of ventilation holes are opened to lower casing (2) bottom, and are a plurality of the ventilation hole is the even form and distributes.

4. The device of claim 1, wherein: the ventilation component comprises four through grooves, wherein the four through grooves are formed in two sides of the upper shell (1) and the lower shell (2) respectively, the two sides of the upper shell (1) and the two sides of the lower shell (2) are provided with annular clamping grooves, and the annular clamping grooves are internally and uniformly embedded with annular frames (12).

5. The apparatus of claim 4, wherein: the outer sides of the four annular frames (12) are fixedly connected with dustproof nets (13), and electric fans (14) are embedded in the four through grooves.

6. An over-temperature protection device for a circuit board according to claim 5, wherein: the joints of the four electric fans (14) and the four dust screens (13) are movably connected through bearings.

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