CN207764732U - A kind of heat sink for household small switch chip - Google Patents

Abstract

A kind of household small-size exchanger core sheet heat radiator, including chip, the top surface of chip is uniformly fixedly connected with the bottom surface of several thermal columns, the surface of chip is equipped with thermal conductive silicon rubber cushion, the bottom surface of thermal conductive silicon rubber cushion opens up first through hole corresponding with thermal column respectively, thermal column can be slided along corresponding first through hole above and below respectively, and the bottom surface of thermal conductive silicon rubber cushion and the top surface of chip are engaged；The surface of thermal conductive silicon rubber cushion is equipped with cooling fin, and the bottom surface of cooling fin opens up the second through-hole corresponding with thermal column respectively, and thermal column can be slided along corresponding second through-hole above and below respectively, and the bottom surface and the top surface of thermal conductive silicon rubber cushion of cooling fin are engaged.The utility model is simple in structure, and assembling and fixation are convenient, convenient that chip radiator is overhauled and cleared up, and disclosure satisfy that actual demand, is suitble to promote.The bottom surface of nut and the top surface close contacting fit of radiator fan, radiator fan are fixed；The assembling of the utility model and fixation are convenient, convenient often maintenance or cleaning.

Description

A kind of heat sink for household small switch chip

technical field

The utility model belongs to the field of a chip radiator, in particular to a chip radiator for a small household switch.

Background technique

The chip heat sink is a device for dissipating heat from various chips. It accelerates the heat dissipation of the chip and makes the chip temperature appropriate to prolong the continuous working time and service life of the chip. However, the existing chip heat sink has a complex structure, difficult assembly and fixing, and is inconvenient. Carrying out maintenance and cleaning to the chip heat sink can not meet the actual needs, so we need to design a new type of chip heat sink for small household switches.

Utility model content

The utility model provides a heat sink for a small household switch chip, which is used to solve the defects in the prior art.

The utility model is realized through the following technical solutions:

A chip heat sink for a small household switch, including a chip, the top surface of the chip is evenly fixed and connected to the bottom surfaces of several heat dissipation columns, a heat-conducting silica gel pad is provided directly above the chip, and first heat-conducting silica gel pads corresponding to the heat dissipation columns are provided on the bottom surface of the heat-conducting silica gel pad. Through holes, the heat dissipation column can slide up and down along the corresponding first through hole, and the bottom surface of the heat conduction silica gel pad is in contact with the top surface of the chip; a heat sink is provided directly above the heat conduction silica gel pad, and the bottom surface of the heat sink is respectively set up with the top surface of the chip. The second through hole corresponding to the heat dissipation column, the heat dissipation column can slide up and down along the corresponding second through hole, the bottom surface of the heat sink is in contact with the top surface of the heat conduction silicone pad, and the left and right sides of the heat sink are hinged respectively Front and back symmetrical vertical rods, the lower ends of the vertical rods are respectively fixedly connected to the upper ends of the springs, the lower ends of the two springs on the left or right are respectively fixedly connected to the two ends of the same horizontal rod, and the left and right sides of the chip are respectively fixed and installed before and after Symmetrical hooks, crossbars are movably matched with the corresponding hooks; the middle of the front and rear sides of the cooling plate are respectively hinged to the lower ends of the screw rods, the top surface of the cooling column is movable to install the cooling fan, and the bottom surface of the cooling fan corresponds to the screw rod and respectively has a third through hole , the upper parts of the screw rods are respectively located in the corresponding third through holes, the screw rods can move up and down along the corresponding third through holes respectively, the upper ends of the screw rods are threaded with nuts, and the bottom surfaces of the nuts can respectively contact and cooperate with the top surface of the cooling fan.

According to the above-mentioned heat sink for small household switches, the heat sink is made of copper.

According to the above-mentioned heat sink for small household switches, the nuts are butterfly nuts.

The utility model has the advantages of simple structure, convenient assembly and fixing, convenient maintenance and cleaning of the chip radiator, can meet actual needs, and is suitable for popularization. When in use, the chip is fixedly installed on the circuit board, the top surface of the chip is firstly installed with a thermally conductive silicone pad, and then the top surface of the thermally conductive silicone pad is movably installed with a heat sink, and the crossbars are respectively pulled to make the crossbars contact and cooperate with the corresponding hooks. , loosen the cross bar, the heat-conducting silicone pad and the heat sink are fixed above the chip, the heat-conducting silicone pad can slow down the vibration or friction between the heat sink and the chip, so that the utility model can adapt to the bumpy working environment, and the heat-conducting silicone pad 1. The fixing of the heat sink is convenient and easy to disassemble; respectively turn the screw rods to be perpendicular to the horizontal plane, and insert the screw rods into the corresponding third through holes respectively, so that the bottom surface of the cooling fan is in contact with the top surface of the cooling column, and tighten the nuts, the bottom surface of the nuts The cooling fan is fixed in close contact with the top surface of the cooling fan; the utility model is convenient for assembly and fixing, and is convenient for frequent maintenance or cleaning.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the appended drawings in the following description The drawings are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings on the premise of not paying creative labor.

Fig. 1 is a schematic structural view of the utility model; Fig. 2 is a top view of Fig. 1; Fig. 3 is an A-direction view of Fig. 1; Fig. 4 is a partial enlarged view of I of Fig. 1 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

A chip heat sink for a small household switch, as shown in the figure, includes a chip 1, the top surface of the chip 1 is evenly fixed and connected to the bottom surface of several heat dissipation columns 2, and a heat-conducting silica gel pad 3 is provided directly above the chip 1, and a heat-conducting silica gel pad 3 The bottom surface of the heat dissipation column 2 is respectively provided with the first through hole 4 corresponding to the heat dissipation column 2, and the heat dissipation column 2 can slide up and down along the corresponding first through hole 4 respectively, and the bottom surface of the heat conduction silica gel pad 3 is in contact with the top surface of the chip 1; A heat sink 5 is arranged directly above the silicone pad 3, and the bottom surface of the heat sink 5 is provided with a second through hole 6 corresponding to the heat dissipation column 2, and the heat dissipation column 2 can slide up and down along the corresponding second through hole 6 to dissipate heat. The bottom surface of the sheet 5 is in contact with the top surface of the heat-conducting silicone pad 3, and the left and right sides of the heat sink 5 are respectively hinged to the front and rear symmetrical vertical bars 7, and the lower ends of the vertical bars 7 are fixedly connected to the upper ends of the springs 8, respectively. The lower ends of the two springs 8 on the right are respectively fixedly connected to the two ends of the same crossbar 9, and the left and right sides of the chip 1 are respectively fixed with front and back symmetrical hooks 10, and the crossbars 9 are respectively movably matched with the corresponding hooks 10; The middle of the front and rear sides of the cooling plate 5 is respectively hinged to the lower end of the screw rod 11, and the top surface of the cooling column 2 is movably installed with a cooling fan 12, and the bottom surface of the cooling fan 12 corresponds to the screw rod 11 to provide a third through hole 13 respectively, and the top of the screw rod 11 is respectively Located in the corresponding third through hole 13, the screw rod 11 can move up and down along the corresponding third through hole 13, the upper end of the screw rod 11 is threaded with a nut 14, and the bottom surface of the nut 14 can contact the top surface of the cooling fan 12 respectively Cooperate. The utility model has the advantages of simple structure, convenient assembly and fixing, convenient maintenance and cleaning of the chip heat sink, can meet actual needs, and is suitable for popularization. When in use, the chip 1 is fixedly installed on the circuit board, the top surface of the chip 1 is first movable to install the heat conduction silica gel pad 3, and then the top surface of the heat conduction silica gel pad 3 is movable to install the heat sink 5, and the cross bar 9 is respectively pulled to make the cross bar 9 Contact and cooperate with the corresponding hooks 10 respectively, loosen the cross bar 9, and the thermally conductive silicone pad 3 and the heat sink 5 are fixed above the chip 1. The thermally conductive silicone pad 3 can slow down the vibration or friction between the heat sink 5 and the chip 1. The utility model can adapt to the bumpy working environment, and at the same time, the heat-conducting silica gel pad 3 and the heat sink 5 are conveniently fixed and easy to disassemble; the screw rods 11 are respectively rotated to be perpendicular to the horizontal plane, and the screw rods 11 are respectively inserted into the corresponding third through holes 13, Make the bottom surface of the heat dissipation fan 12 contact and cooperate with the top surface of the heat dissipation column 2, tighten the nut 14, the bottom surface of the nut 14 is in close contact with the top surface of the heat dissipation fan 12, and the heat dissipation fan 12 is fixed; the assembly and fixing of the utility model are convenient, Convenient for frequent maintenance or cleaning.

Specifically, as shown in the figure, the heat sink 5 described in this embodiment is made of copper. The heat sink 5 made of copper material facilitates the processing and production of the heat sink 5 and increases the heat conduction and heat dissipation performance of the heat sink 5 .

Specifically, as shown in the figure, the nut 14 in this embodiment is a butterfly nut. The nut 14 is designed as a butterfly nut, which facilitates the fastening of the nut 14, and the fixing of the cooling fan 12 is more convenient without using tools.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, and are not intended to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the various embodiments of the present invention. and range.

Claims (3)

1. a kind of household small-size exchanger core sheet heat radiator, it is characterised in that：Including chip（1）, chip（1）Top surface it is uniformly solid Surely several thermal columns are connected（2）Bottom surface, chip（1）Surface be equipped with thermal conductive silicon rubber cushion（3）, thermal conductive silicon rubber cushion（3）Bottom Face opens up respectively and thermal column（2）Corresponding first through hole（4）, thermal column（2）It can be respectively along corresponding first through hole（4） Upper and lower sliding, thermal conductive silicon rubber cushion（3）Bottom surface and chip（1）Top surface be engaged；Thermal conductive silicon rubber cushion（3）Surface set There is cooling fin（5）, cooling fin（5）Bottom surface open up respectively and thermal column（2）Corresponding second through-hole（6）, thermal column（2）It can Respectively along corresponding second through-hole（6）Upper and lower sliding, cooling fin（5）Bottom surface and thermal conductive silicon rubber cushion（3）Top surface contact match It closes, cooling fin（5）Arranged on left and right sides be respectively hinged front and back symmetrical montant（7）, montant（7）Lower end fixed respectively connect Connect spring（8）Upper end, two springs of left or right side（8）Lower end be respectively fixedly connected with the same cross bar（9）Both ends, Chip（1）Arranged on left and right sides front and back symmetrical hook is fixedly mounted respectively（10）, cross bar（9）Respectively with corresponding hook（10） Activity cooperation；Cooling fin（5）The centre of forward and backward side is respectively hinged screw rod（11）Lower end, thermal column（2）Top surface activity Radiator fan is installed（12）, radiator fan（12）Bottom surface correspond to screw rod（11）Third through-hole is opened up respectively（13）, screw rod（11） Top be located at corresponding third through-hole（13）It is interior, screw rod（11）It can be respectively along corresponding third through-hole（13）Above and below It is mobile, screw rod（11）Threaded upper ends install nut（14）, nut（14）Bottom surface can respectively with radiator fan（12）Top Face is engaged.

2. a kind of household small-size exchanger core sheet heat radiator according to claim 1, it is characterised in that：The cooling fin （5）Using copper material.

3. a kind of household small-size exchanger core sheet heat radiator according to claim 1, it is characterised in that：The nut （14）For butterfly nut.