CN211182184U

CN211182184U - Stable face recognition chip packaging structure

Info

Publication number: CN211182184U
Application number: CN202020207741.8U
Authority: CN
Inventors: 王金伟; 罗鸣; 林承耀; 杨帆
Original assignee: Liming Vocational University
Current assignee: Liming Vocational University
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-08-04
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a firm type face identification chip packaging structure, it includes the erection column, the base plate, the heating panel, face identification chip and packaging body, the erection column includes the cylinder, go up fender portion and lower fender portion, the upper and lower both ends of cylinder are formed with fender portion and lower fender portion respectively, and keep off portion and keep off the portion inward contraction down on the cylinder relatively, the base plate, heating panel and face identification chip are by supreme lower locating in proper order on the cylinder, and restrict on the cylinder by last fender portion and lower fender portion, the heating panel sets firmly on the base plate, face identification chip sets firmly on the heating panel, the packaging body is packaged face identification chip. The utility model discloses a mounting column is fixed in heating panel and face identification chip on the base plate, encapsulates face identification chip again, and the difficult relative base plate of chip takes place to shift for steadiness after the chip package is better, has improved product quality's reliability.

Description

Stable face recognition chip packaging structure

Technical Field

The utility model relates to a components and parts production technical field, concretely relates to firm type face identification chip packaging structure.

Background

The face recognition is a technology for identifying identities by analyzing and comparing face visual characteristic information, the most important part in the face recognition technology is a chip, the traditional face recognition chip packaging mode is that packaging materials are melted and injected into a mold, then the packaging materials are quickly cured and molded to complete the packaging of the chip, the firmness of the combination of the packaging materials cured by the mode is reduced after a period of time, the packaged body is easy to loosen, so that the chip is displaced relative to a substrate, and the reliability of the electrical connection of the chip is reduced.

Meanwhile, the chip packaged by the packaging method has the problem of poor heat dissipation performance, and the long-time normal use of the chip is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a firm type face identification chip packaging structure.

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

the utility model provides a firm type face identification chip packaging structure, includes erection column, base plate, heating panel, face identification chip and packaging body, the erection column includes the cylinder, goes up fender portion and keeps off the portion down, the upper and lower both ends of cylinder are formed with respectively go up fender portion and keep off the portion down, just keep off portion and keep off the portion inward contraction down on the cylinder relatively, base plate, heating panel and face identification chip are by supreme wearing to locate in proper order down on the cylinder, and by go up fender portion and keep off the portion down and restrict in on the cylinder, the heating panel sets firmly on the base plate, face identification chip sets firmly on the heating panel, the packaging body is packaged face identification chip.

Preferably, the face recognition device further comprises a protective shell with a downward opening, an annular mounting groove is formed in the radiating plate, and the protective shell is clamped in the mounting groove to cover the face recognition chip.

Preferably, be equipped with the second mounting hole on heating panel and the face identification chip, it is umbelliform to go up fender portion, the size of second mounting hole is less than the size of last fender portion, be equipped with the third mounting hole on the protective housing, after the mounting groove was packed into to the protective housing card, go up fender portion shutoff third mounting hole.

Preferably, the bottom of the heat dissipation plate extends downwards to form a clamping block, a clamping groove is formed in the substrate, and the clamping block is clamped with the clamping groove.

Preferably, the package body covers the outer side of the protective shell, a fourth mounting hole is formed in the package body, and the fourth mounting hole is blocked by the top of the upper blocking portion seal.

Preferably, the heat dissipation plate is provided with a plurality of wire passing holes and heat dissipation holes, and the mounting column is provided with a heat dissipation port penetrating through the column body, the upper blocking portion and the lower blocking portion.

Preferably, be equipped with first mounting hole on the base plate, the cross sectional shape of keeping off the portion down is the V font, the size of first mounting hole is greater than the size of keeping off the portion down, hollow rubber soft plunger has set firmly on the first mounting hole, the inner aperture of rubber soft plunger is less than the size of keeping off portion top cross-section down, so that keep off the portion and be difficult for extracting after inserting rubber soft plunger down.

After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:

1. the utility model discloses a mounting column is fixed in heating panel and face identification chip on the base plate, encapsulates face identification chip again, and the difficult relative base plate of chip takes place to shift for steadiness after the chip package is better, has improved product quality's reliability.

2. The utility model discloses still be provided with the heating panel between base plate and face identification chip, seted up a plurality of louvres on the heating panel for the heat that face identification chip during operation produced scatters out more fast, has improved the heat dispersion of encapsulation chip.

3. The utility model discloses the thermovent that link up from top to bottom is equipped with on the erection column, and the heat that face identification chip produced at the during operation also can be through the erection column effluvium, has further improved encapsulation chip's heat dispersion.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural view of a mounting post;

fig. 4 is a schematic structural view of the heat dissipation plate.

Description of reference numerals:

100. mounting columns, 110, columns, 120, upper blocking parts, 130, lower blocking parts, 140 and radiating holes;

200. the structure comprises a substrate, 210, a first mounting hole, 220, a rubber soft plunger, 230, a clamping groove and 240, pins;

300. a heat dissipation plate, 310, a second mounting hole, 320, a mounting groove, 330, a clamping block, 340, a wire passing hole, 350, a heat dissipation hole;

400. a face recognition chip;

500. a protective shell 510, a third mounting hole;

600. and a packaging body 610, a fourth mounting hole.

Detailed Description

In order to make the technical solution of the present invention more apparent, the present invention will be further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples

With reference to fig. 1 to 3, the utility model discloses a firm type face identification chip 400 packaging structure, including erection column 100, base plate 200, heating panel 300, face identification chip 400, protective housing 500 and packaging body 600.

The mounting post 100 includes a post body 110, an upper blocking portion 120 and a lower blocking portion 130, wherein the upper and lower ends of the post body 110 are respectively formed with the upper blocking portion 120 and the lower blocking portion 130, and the post body 110 is inwardly contracted with respect to the upper blocking portion 120 and the lower blocking portion 130. The base plate 200, the heat dissipation plate 300 and the face recognition chip 400 are sequentially disposed on the cylinder 110 from bottom to top, and are limited on the cylinder 110 by the upper blocking portion 120 and the lower blocking portion 130. The heat dissipation plate 300 is fixed on the substrate 200, the face recognition chip 400 is fixed on the heat dissipation plate 300, and the face recognition chip 400 is packaged by the package 600.

The base plate 200 is provided with a first mounting hole 210, the cross-sectional shape of the lower blocking portion 130 is V-shaped, the size of the first mounting hole 210 is larger than that of the lower blocking portion 130 (so as to facilitate mounting of the rubber soft plunger), the edge of the base plate 200 is provided with a plurality of notches for inserting pins 240, and the pins 240 are connected with the face recognition chip 400 through wires (not shown in the figure). The first mounting hole 210 is fixedly provided with a hollow soft rubber plunger 220, in this embodiment, the soft rubber plunger 220 is firmly adhered to the first mounting hole 210 by an adhesive, and the inner diameter of the soft rubber plunger 220 is smaller than the size of the top section of the lower retaining portion 130, so that the lower retaining portion 130 is not easily pulled out after being inserted into the soft rubber plunger 220.

The heat dissipation plate 300 and the face recognition chip 400 are provided with second mounting holes 310, the upper blocking portion 120 is umbrella-shaped, and the size of the second mounting holes 310 is smaller than that of the upper blocking portion 120, so as to limit the heat dissipation plate 300 and the face recognition chip 400 from separating from the upper end of the mounting post 100. The protective shell 500 is provided with a third mounting hole 510, and after the protective shell 500 is clamped into the mounting groove 320, the upper blocking portion 120 blocks the third mounting hole 510 to seal the face recognition chip 400, so that the damage to the chip is prevented when the chip is packaged.

The protection case 500 has a downward opening, the heat dissipation plate 300 is provided with an annular mounting groove 320, and the protection case 500 is clamped into the mounting groove 320 to cover the face recognition chip 400. In this embodiment, the bottom of the heat dissipating plate 300 extends downward to form the latch 330, the base plate 200 is provided with the engaging slot 230, the latch 330 is engaged with the engaging slot 230, and a plurality of latches 330 and engaging slots 230 are provided to improve the accuracy and firmness of the engagement.

As shown in fig. 1, 2 and 4, the package body 600 covers the outer side of the protective shell 500, a fourth mounting hole 610 is formed on the package body 600, and the top of the upper stop portion 120 blocks the fourth mounting hole 610, so as to facilitate heat dissipation through the heat dissipation opening 140.

The heat dissipation plate 300 is provided with a plurality of wire passing holes 340 and heat dissipation holes 350, the mounting post 100 is provided with heat dissipation ports 140 penetrating through the post 110, the upper blocking portion 120 and the lower blocking portion 130, and the heat dissipation ports 140 can further dissipate heat generated by the face recognition chip 400 during operation, so that the heat dissipation performance of the packaged chip is better. In this embodiment, the mounting post 100 and the protective shell 500 are made of non-metal material (such as rubber and plastic material), so as to prevent interference with the normal operation of the face recognition chip 400.

The utility model discloses an assembly process as follows:

the face recognition chip 400 and the heat dissipation plate 300 are sequentially installed on the column 110 through the lower blocking portion 130, and then the installation column 100 is pressed downward by force, so that the lower blocking portion 130 penetrates through the rubber soft plunger 220 and abuts against the bottom of the rubber soft plunger, and the face recognition chip 400 and the heat dissipation plate 300 are limited between the top of the substrate 200 and the upper blocking portion 120. And then the protective case 500 is clamped into the mounting groove 320 of the heat dissipation plate 300 to seal the face recognition chip 400. Finally, the above components are placed in a mold, and then the package material is melted and injected into the mold and then cured to form the package 600.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a firm type face identification chip packaging structure which characterized in that: including erection column, base plate, heating panel, face identification chip and packaging body, the erection column includes the cylinder, goes up fender portion and keeps off the portion down, the upper and lower both ends of cylinder are formed with respectively go up fender portion and keep off the portion down, just keep off portion and keep off the portion inward contraction down on the cylinder relatively, base plate, heating panel and face identification chip wear to locate in proper order by supreme down on the cylinder, and by go up fender portion and keep off the portion down and restrict in on the cylinder, the heating panel sets firmly on the base plate, the face identification chip sets firmly on the heating panel, the packaging body is packaged face identification chip.

2. The robust face recognition chip package structure of claim 1, wherein: still include the protective housing that the opening is down, be equipped with annular mounting groove on the heating panel, the protective housing card is packed into in the mounting groove to cover the face identification chip.

3. The robust face recognition chip package structure of claim 2, wherein: be equipped with the second mounting hole on heating panel and the face identification chip, it is umbelliform to go up fender portion, the size of second mounting hole is less than the size of last fender portion, be equipped with the third mounting hole on the protective housing, after the protective housing card packing mounting groove, go up fender portion shutoff third mounting hole.

4. The robust face recognition chip package structure of claim 3, wherein: the bottom downwardly extending of heating panel is formed with the fixture block, be equipped with the draw-in groove on the base plate, the fixture block is connected with the draw-in groove mutually.

5. The robust face recognition chip package structure of claim 3, wherein: the packaging body covers the outer side of the protective shell, a fourth mounting hole is formed in the packaging body, and the fourth mounting hole is blocked by the top of the upper blocking portion seal.

6. The robust face recognition chip package structure of claim 5, wherein: the heat dissipation plate is provided with a plurality of wire passing holes and heat dissipation holes, and the mounting column is provided with heat dissipation ports penetrating through the column body, the upper blocking portion and the lower blocking portion.

7. The robust face recognition chip package structure of claim 6, wherein: the base plate is provided with a first mounting hole, the cross section of the lower blocking part is V-shaped, the size of the first mounting hole is larger than that of the lower blocking part, a hollow rubber soft plunger piston is fixedly arranged on the first mounting hole, and the inner aperture of the rubber soft plunger piston is smaller than that of the top cross section of the lower blocking part, so that the lower blocking part is not easy to extract after being inserted into the rubber soft plunger piston.