CN210641139U

CN210641139U - Direct-insertion bidirectional power supply protection chip structure

Info

Publication number: CN210641139U
Application number: CN201921609738.2U
Authority: CN
Inventors: 吴骏
Original assignee: China Silicon Technology Shenzhen Co Ltd
Current assignee: China Silicon Technology Shenzhen Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-05-29
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a two-way power protection chip structure that can cut straightly formula, including the PCB board, install the chip on the PCB board, chip upside cover is equipped with the protective housing, be equipped with seal structure between protective housing and the PCB board, protective housing one side level is equipped with changes the board, change board one end and PCB board up end and rotate and be connected, and change the board other end and protective housing fixed connection, be equipped with on the PCB board and carry out spacing stop gear to the protective housing, be equipped with reinforced structure in the protective housing, be equipped with heat radiation structure on the protective housing. The utility model discloses can protect the chip, have the leakproofness in the protection, can avoid dust and thermal influence, guarantee chip life, whole protection architecture conveniently opens and closes.

Description

Direct-insertion bidirectional power supply protection chip structure

Technical Field

The utility model relates to the technical field of power, especially, relate to a two-way power protection chip structure that can cut straightly formula.

Background

A power management chip is a chip that plays roles in the conversion, distribution, detection, and other power management of power in an electronic equipment system. In a formula of can cuting straightly two-way power supply, because the complexity of chip work, the heat that the chip often produced is great, and current chip often is direct mount on the PCB board simultaneously, lacks the protection architecture to the chip, and the chip receives the influence of factors such as collision vibration and dust easily to lead to the life of chip to reduce.

The protection architecture to the chip often is the casing of power at present often, does not have the structure of protecting to the vibration when receiving the collision, and the leakproofness of power casing also does not stop going on of dust completely enough in addition, and the protection architecture to the chip has been set up in addition, often is sealed protection casing, though has the guard action, but the thermal diffusivity is relatively poor, also be convenient for installation and dismantlement to inconvenient operation is carried out the chip.

Therefore, we propose a structure of a bidirectional power protection chip capable of being directly inserted to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a direct-insert bidirectional power protection chip structure.

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

the utility model provides a can cut straightly formula bidirectional power supply protection chip structure, includes the PCB board, its characterized in that, install the chip on the PCB board, the side cover is equipped with the protective housing on the chip, be equipped with seal structure between protective housing and the PCB board, protective housing one side level is equipped with changes the board, change board one end and PCB board up end and rotate and be connected, and change the board other end and protective housing fixed connection, be equipped with on the PCB board and carry out spacing stop gear to the protective housing, be equipped with reinforced structure in the protective housing, be equipped with heat radiation structure on the protective housing.

Preferably, seal structure is including setting up the frame type recess on the PCB board, the frame type recess sets up around the chip, terminal surface fixedly connected with is the frame type sealing block who matches with the frame type recess under the protective housing, the frame type sealing block height slightly is greater than the frame type recess degree of depth.

Preferably, the limiting mechanism comprises a moving block arranged on one side, away from the rotating plate, of the protective shell, a sliding block is fixedly connected to the lower end of the moving block, a sliding groove matched with the sliding block is formed in the upper end face of the PCB, a plurality of limiting springs are arranged in the sliding groove, one ends of the limiting springs are fixedly connected with the sliding block, the other ends of the limiting springs are fixedly connected with the inner wall of the sliding groove, a limiting block is fixedly connected to the end face, close to the moving block, of the protective shell, and a limiting groove matched with the limiting block is formed.

Preferably, reinforced structure includes four strengthening ribs of vertical equipartition in the protective housing, strengthening rib lower extreme and protective housing inside wall fixed connection, the strengthening rib upper end is buckled and with protective housing inner wall fixed connection.

Preferably, heat radiation structure is including encircleing a plurality of bar thermovents of equipartition at the protective housing up end, and is a plurality of the bar thermovent all communicates in with the protective housing, and is a plurality of all sealed the fixed heat radiation fins that are equipped with in the bar thermovent, heat radiation fins adopts ceramic material.

Preferably, the upper end face of the moving block is provided with a slot convenient for pushing and pulling.

Preferably, the frame-shaped sealing block is made of rubber materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. establish on the chip through having set up the protective housing cover, the strengthening rib increase in strength has been set up in the protective housing, thereby can reduce the damage influence of collision to the chip, and the sealed piece of terminal surface fixedly connected with frame type under the protective housing, the sealed piece of frame type adopts rubber materials, can seal the protective housing and the contact surface of PCB board, further have the cushioning effect simultaneously, avoid dust and vibrations to the influence of chip, still be equipped with a plurality of heat radiation fins on the protective housing, heat radiation fins adopts ceramic material, do not influence the leakproofness and guarantee the radiating effect simultaneously.

2. The protective housing rotates through changeing the board and being connected with the PCB board, is equipped with the stop gear to the protective housing on the PCB board simultaneously, only needs to remove the movable block can realize spacing and the relieving of protective housing spacing, and spacing spring guarantees limiting displacement, and it is all comparatively convenient to open and close, is convenient for operate the chip.

Drawings

Fig. 1 is a schematic structural diagram of a directly insertable bidirectional power protection chip structure according to the present invention;

fig. 2 is a schematic view of a top view structure of a directly insertable bidirectional power protection chip structure provided by the present invention when closed;

fig. 3 is a schematic view of a downward view structure when the structure of the directly insertable bidirectional power protection chip of the present invention is opened.

In the figure: the heat dissipation structure comprises a PCB (printed circuit board), a chip 2, a protective shell 3, a rotating plate 4, a frame-shaped sealing block 5, a moving block 6, a sliding block 7, a limiting spring 8, a limiting block 9, reinforcing ribs 10 and heat dissipation fins 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a two-way power protection chip structure capable of being inserted in a straight manner comprises a PCB board 1, a chip 2 is mounted on the PCB board 1, the prior art is adopted, a protective shell 3 is covered on the upper side of the chip 2 to avoid collision to damage the chip 2, a sealing structure is arranged between the protective shell 3 and the PCB board 1, the sealing structure comprises a frame-shaped groove arranged on the PCB board 1, the frame-shaped groove is arranged around the chip 2, a frame-shaped sealing block 5 matched with the frame-shaped groove is fixedly connected to the lower end surface of the protective shell 3, the frame-shaped sealing block 5 is made of rubber material, the height of the frame-shaped sealing block 5 is slightly larger than the depth of the frame-shaped groove, so that the frame-shaped sealing block 5 is in interference contact with the frame-shaped groove to play a certain shock absorption role and increase the sealing performance, a rotating plate 4 is horizontally arranged on one side of the protective shell 3, one end of the rotating, make things convenient for protective housing 3 to rotate, increase the rotation range of the sealed piece 5 of frame type simultaneously, the sealed piece 5 of frame type of being convenient for gets into frame type recess.

Wherein, the PCB board 1 is provided with a limiting mechanism for limiting the protective shell 3, the limiting mechanism comprises a moving block 6 arranged at one side of the protective shell 3 far away from the rotating plate 4, the upper end surface of the moving block 6 is provided with a slot convenient for pushing and pulling, the moving block 6 is convenient to retreat and relieve, the lower end of the moving block 6 is fixedly connected with a slide block 7, the upper end surface of the PCB board 1 is provided with a chute matched with the slide block 7, the slide block 7 is matched with the chute to facilitate the sliding of the moving block 6, the chute is internally provided with a plurality of limiting springs 8, one end of each limiting spring 8 is fixedly connected with the slide block 7, the other end of each limiting spring 8 is fixedly connected with the inner wall of the chute, each limiting spring 8 provides elasticity, so that the moving block has a resetting function, the position of the moving block 6 is ensured without external force, the end surface, the limiting block 9 is arranged in the limiting groove and can limit the position of the protective shell 3.

Wherein, be equipped with reinforced structure in the protective housing 3, reinforced structure includes four strengthening ribs 10 of vertical equipartition in protective housing 3, strengthening rib 10 lower extreme and 3 inside wall fixed connection of protective housing, the upper end of strengthening rib 10 buckle and with roof fixed connection in the protective housing 3, increase the intensity of protective housing 3, be equipped with heat radiation structure on the protective housing 3, heat radiation structure is including surrounding a plurality of bar thermovents of equipartition at protective housing 3 up end, a plurality of bar thermovents all communicate in with protective housing 3, all sealed fixed being equipped with heat radiation fins 11 in a plurality of bar thermovents, do not influence the leakproofness, heat radiation fins 11 adopts ceramic material, ceramic non-conducting and higher heat dissipation effect has.

The utility model discloses in, after corresponding the position and having installed chip 2, rotate and change board 4, make protective housing 3 and the laminating of PCB board 1, protective housing 3 covers chip 2 this moment, the sealed piece 5 of frame type of terminal surface plays sealed effect in getting into the frame type recess of the 1 up end of PCB board under the protective housing 3 simultaneously, then remove movable block 6, make stopper 9 on the protective housing 3 get into the spacing inslot on the movable block 6, play spacing fixed action to protective housing 3, four strengthening ribs 10 in the protective housing 3 guarantee the anticollision intensity of protective housing 3, a plurality of heat radiation fins 11 that the terminal surface of protective housing 3 run through the setting simultaneously can scatter and disappear to the heat in the protective housing 3, and do not influence the leakproofness.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can cut straightly formula bidirectional power supply protection chip structure, includes PCB board (1), its characterized in that, install chip (2) on PCB board (1), chip (2) upside cover is equipped with protective housing (3), be equipped with seal structure between protective housing (3) and PCB board (1), protective housing (3) one side level is equipped with changes board (4), change board (4) one end and PCB board (1) up end and rotate and be connected, and change board (4) other end and protective housing (3) fixed connection, be equipped with on PCB board (1) and carry out spacing stop gear to protective housing (3), be equipped with reinforced structure in protective housing (3), be equipped with heat radiation structure on protective housing (3).

2. An in-line bidirectional power protection chip structure according to claim 1, wherein the sealing structure comprises a frame-shaped groove disposed on the PCB (1), the frame-shaped groove is disposed around the chip (2), a frame-shaped sealing block (5) matching with the frame-shaped groove is fixedly connected to the lower end surface of the protection shell (3), and the height of the frame-shaped sealing block (5) is slightly larger than the depth of the frame-shaped groove.

3. The structure of a direct-insert bidirectional power protection chip according to claim 1, wherein the limiting mechanism includes a moving block (6) disposed on one side of the protection housing (3) away from the rotating plate (4), a sliding block (7) is fixedly connected to a lower end of the moving block (6), a sliding groove matched with the sliding block (7) is disposed on an upper end surface of the PCB board (1), a plurality of limiting springs (8) are disposed in the sliding groove, one end of each limiting spring (8) is fixedly connected to the corresponding sliding block (7), the other end of each limiting spring (8) is fixedly connected to an inner wall of the corresponding sliding groove, a limiting block (9) is fixedly connected to an end surface of the protection housing (3) close to the corresponding moving block (6), and a limiting groove matched with the limiting block (9) is disposed on the corresponding moving block (6.

4. An in-line bidirectional power protection chip structure according to claim 1, wherein the reinforcing structure comprises four reinforcing ribs (10) vertically and uniformly distributed in the protection shell (3), the lower ends of the reinforcing ribs (10) are fixedly connected with the inner side wall of the protection shell (3), and the upper ends of the reinforcing ribs (10) are bent and fixedly connected with the inner top wall of the protection shell (3).

5. A direct-insert bidirectional power protection chip structure according to claim 1, wherein said heat dissipation structure comprises a plurality of bar-shaped heat dissipation openings uniformly distributed around the upper end surface of the protection casing (3), said plurality of bar-shaped heat dissipation openings are communicated with the inside of the protection casing (3), said plurality of bar-shaped heat dissipation openings are internally sealed and fixed with heat dissipation fins (11), and said heat dissipation fins (11) are made of ceramic material.

6. A direct plug-in type bidirectional power protection chip structure according to claim 3, wherein the upper end face of the moving block (6) is provided with a slot facilitating push-pull.

7. An in-line bidirectional power protection chip structure according to claim 2, wherein the frame-shaped sealing block (5) is made of rubber material.