CN219124479U

CN219124479U - Protection device of MCU controller

Info

Publication number: CN219124479U
Application number: CN202223473096.2U
Authority: CN
Inventors: 赵军; 胡圣勇; 杨明丽
Original assignee: Gooyu Electronic Technology Shanghai Co ltd
Current assignee: Gooyu Electronic Technology Shanghai Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-02
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a protection device of an MCU controller, which comprises: the first shell is hollow and has an opening structure at the upper end and the lower end; the second shell is of a hollow structure with an opening at the bottom end, is sleeved on the first shell and is in sliding connection with the first shell; the buffer parts comprise sleeves, the top ends of the sleeves are fixedly connected with the inner wall of the top of the second shell, the inner wall of the top of the second shell is fixedly connected with an elastic part, the elastic part is arranged inside the sleeves, the bottom ends of the elastic parts are fixedly connected with sliding rods, the sliding rods are in sliding connection with the sleeves, and one ends, far away from the elastic parts, of the sliding rods are used for being supported on a circuit board; the buckle assembly is used for installing the first shell on the circuit board. The utility model can reduce the impact of external force on the MCU controller when being pressed by the weight, and protect the MCU controller from being damaged.

Description

Protection device of MCU controller

Technical Field

The utility model relates to the field of MCU controllers, in particular to a protection device of an MCU controller.

Background

MCU controller, also called single chip microcomputer or single chip microcomputer, is an integrated circuit chip, it is a small and perfect microcomputer system formed by integrating the functions of CPU, RAM, ROM, various I/O ports and interrupt systems, timer/counter, etc. with data processing capability onto a silicon chip by adopting ultra-large scale integrated circuit technology, and can be widely used in various fields, such as mobile phone, PC periphery, remote controller, control of stepping motor and robot arm in automobile electronics and industry, etc. the MCU controller can be seen.

The MCU controller is directly exposed outside after being connected with the circuit board, and various emergency situations possibly exist in the using environment of the processing control device based on the MCU controller, such as the device is easily influenced by external force in the using process, and most commonly, the MCU controller is suddenly pressed by an object, so that the MCU controller is damaged due to impact, the operation of the whole equipment is influenced, and the loss is caused.

Disclosure of Invention

The utility model aims to provide a protection device of an MCU controller, which can reduce the impact of external force on the MCU controller when being pressed by a heavy object and protect the MCU controller from being damaged.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a protection device for an MCU controller, comprising:

the first shell is hollow and has an opening structure at the upper end and the lower end;

the second shell is of a hollow structure with an opening at the bottom end, is sleeved on the first shell and is in sliding connection with the first shell;

the buffer parts comprise sleeves, the top ends of the sleeves are fixedly connected with the inner wall of the top of the second shell, the inner wall of the top of the second shell is fixedly connected with an elastic part, the elastic part is arranged inside the sleeves, the bottom ends of the elastic parts are fixedly connected with sliding rods, the sliding rods are in sliding connection with the sleeves, and one ends, far away from the elastic parts, of the sliding rods are used for being supported on a circuit board;

the buckle assembly is used for installing the first shell on the circuit board.

Further, a radiating fin is arranged below the sleeve, the radiating fin is fixedly connected to the radiating fin, an elastic heat conduction gasket is fixedly connected to the bottom of the radiating fin, and the bottom surface of the elastic heat conduction gasket is in contact with the top surface of the MCU controller; wherein, fin, elasticity heat conduction gasket all with the inner wall fixed connection of first casing.

Further, a plurality of grooves are formed in the outer wall of the radiating fin.

Further, a plurality of heat dissipation holes are formed in the side wall of the top of the second shell.

Further, the buckle assembly includes:

the clamping blocks are fixedly connected to the outer wall of the first shell;

the elastic buckle comprises a supporting section, one end of the supporting section is used for being connected with a circuit board, the other end of the supporting section is fixedly connected with an arc section, one end of the arc section, far away from the supporting section, is fixedly connected with an extrusion section, an installation through hole is formed in the extrusion section, and the installation through hole is matched with a clamping block.

Further, the clamping block is of a hemispherical structure.

Further, a plurality of sliding blocks are fixedly connected to the inner wall of the second shell, sliding grooves corresponding to the sliding blocks one by one are formed in the outer wall of the first shell, and the sliding grooves and the sliding blocks are in sliding connection.

Further, the bottom fixedly connected with of first casing a plurality of erection column.

Further, one end of the sliding rod, which is far away from the elastic piece, is fixedly connected with a supporting plate, and the supporting plate is used for being supported on the circuit board.

Further, the elastic piece is a spring.

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

1. when the MCU controller is pressed by an object in the use process, the second shell moves towards the direction of the first shell under the action of external force, the elastic piece is compressed, and the impact force is absorbed by the elastic piece to play a role of buffering, so that the MCU controller is prevented from being impacted.

2. The elastic heat-conducting gasket is arranged, so that on one hand, the elastic heat-conducting gasket can play a role in buffering when the MCU controller is impacted by external force, on the other hand, the elastic heat-conducting gasket has good heat-conducting property, heat generated by the MCU controller in operation can be conducted to the radiating fins, and the radiating fins are arranged on the radiating fins, so that the contact area between the radiating fins and air is increased, and the radiating efficiency is improved.

3. The outer wall of the radiating fin is provided with the plurality of grooves, so that the contact area between the radiating fin and air can be further increased, and the radiating efficiency is further improved.

4. The second shell is provided with the heat dissipation holes, so that heat generated by the MCU controller can be dissipated to the outside of the protection device.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the present utility model;

FIG. 4 is an enlarged view at B of FIG. 3;

FIG. 5 is an exploded view of the present utility model;

FIG. 6 is a schematic view of the installation of the present utility model;

fig. 7 is a schematic view of the internal structure of the present utility model when mounted on a circuit board.

In the figure: 1. a first housing; 11. a chute; 12. a mounting column; 2. a second housing; 21. a heat radiation hole; 22. a slide block; 3. a buffer member; 31. a sleeve; 32. an elastic member; 33. a slide bar; 34. a support plate; 4. a heat sink; 41. a heat radiation fin; 42. a groove; 5. an elastic heat conductive gasket; 6. a clamping block; 7. an elastic buckle; 71. a support section; 72. an arc section; 73. an extrusion section; 74. mounting through holes; 8. a circuit board; 9. an MCU controller; 10. reinforcing ribs.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, an embodiment of the present utility model is provided:

a protection device for an MCU controller, comprising: the device comprises a first shell 1, a second shell 2, a plurality of buffer pieces 3 and a plurality of buckle components;

as shown in fig. 3 and 5, the first casing 1 has a hollow structure with two open ends;

the second shell 2 is of a hollow structure with an opening bottom end, the second shell 2 is sleeved on the first shell 1, and the first shell 1 is in sliding connection with the second shell 2;

the buffer member 3 comprises a sleeve 31, the top end of the sleeve 31 is fixedly connected with the top inner wall of the second shell 2, an elastic member 32 is fixedly connected with the top inner wall of the second shell 2, the elastic member 32 is arranged in the sleeve 31, the bottom end of the elastic member 32 is fixedly connected with a sliding rod 33, the sliding rod 33 is in sliding connection with the sleeve 31, and one end, far away from the elastic member 32, of the sliding rod 33 is used for being supported on the circuit board 8; when the utility model is pressed by an object, the second shell 2 moves towards the direction of the first shell 1 under the action of external force, the elastic piece 32 is compressed, and the impact force received by the elastic piece 32 is absorbed by the elastic piece to play a role of buffering, so that the MCU controller 9 is prevented from being impacted by the external force.

The snap assembly is used to mount the first housing 1 on the circuit board 8.

Specifically, a cooling fin 4 is arranged below the sleeve 31, a cooling fin 41 is fixedly connected to the cooling fin 4, an elastic heat conduction gasket 5 is fixedly connected to the bottom of the cooling fin 4, and as shown in fig. 7, the bottom surface of the elastic heat conduction gasket 5 is in contact with the top surface of the MCU controller 9; wherein, fin 4, elasticity heat conduction gasket 5 all with the inner wall fixed connection of first casing 1, slide bar 33 runs through fin 4, elasticity heat conduction gasket 5 and with fin 4, elasticity heat conduction gasket 5 fixed connection. The elastic heat conduction gasket 5 is a silica gel gasket, the radiating fins 4 and the radiating fins 41 are made of metal (such as copper), the elastic heat conduction gasket 5 can play a buffering role when the MCU controller 9 is impacted by external force on one hand, and on the other hand, the elastic heat conduction gasket has good heat conduction performance, heat generated when the MCU controller 9 works can be conducted to the radiating fins 4, the radiating fins 41 on the radiating fins 4 enlarge the contact area with air, and the radiating efficiency is improved.

Specifically, as shown in fig. 4, a plurality of grooves 42 are provided on the outer wall of the heat dissipation fin 41. The grooves 42 further increase the contact area of the heat radiating fins 41 with air, further improving the heat radiating efficiency.

Specifically, as shown in fig. 1, a plurality of heat dissipation holes 21 are provided on the top side wall of the second housing 2. The heat dissipation holes 21 can dissipate heat to the outside of the present utility model.

Specifically, as shown in fig. 1 and 2, the buckle assembly includes: a plurality of clamping blocks 6 and a plurality of elastic buckles 7;

the clamping block 6 is fixedly connected to the outer wall of the first shell 1;

the elastic buckle 7 comprises a supporting section 71, one end of the supporting section 71 is used for being connected with the circuit board 8, the other end of the supporting section 71 is fixedly connected with an arc-shaped section 72, the arc surface of the arc-shaped section 72 is upwards convex, one end of the arc-shaped section 72, which is far away from the supporting section 71, is fixedly connected with an extrusion section 73, one end of the extrusion section 73, which is far away from the arc-shaped section 72, is a free end, an installation through hole 74 is formed in the extrusion section 73, and the installation through hole 74 is matched with the clamping block 6. Wherein, the elastic buckle 7 is formed by bending a metal sheet.

Specifically, the clamping block 6 has a hemispherical structure.

Specifically, as shown in fig. 3, a plurality of sliding blocks 22 are fixedly connected to the inner wall of the second casing 2, sliding grooves 11 corresponding to the sliding blocks 22 one by one are arranged on the outer wall of the first casing 1, and the sliding grooves 11 and the sliding blocks 22 are in sliding connection. In the utility model, the sliding block 22 is positioned at the top end of the sliding groove 11 without external force, and the distance from the bottom of the sleeve 31 to the cooling fin 4 is larger than the length of the sliding groove 11. When the utility model is pressed by an object, the second shell 2 moves towards the direction of the first shell 1, and when the sliding block 22 slides to the bottom end of the sliding groove 11, the second shell 2 stops moving, and as the distance from the bottom of the sleeve 31 to the cooling fin 4 is larger than the length of the sliding groove 11, the sleeve 31 can be prevented from being pressed on the cooling fin 4, and the cooling fin 4 is prevented from being impacted.

Specifically, as shown in fig. 1, the bottom end of the first housing 1 is fixedly connected with a plurality of mounting posts 12.

Specifically, as shown in fig. 3, a support plate 34 is fixedly connected to an end of the slide rod 33 away from the elastic member 32, and the support plate 34 is used for supporting on the circuit board 8.

Specifically, the elastic member 32 is a spring.

Specifically, one side of the support section 71 is provided with a plurality of reinforcing ribs 10.

Working principle: as shown in fig. 6, the supporting section 71 of the elastic buckle 7 is fixedly connected with the circuit board 8, the reinforcing rib 10 is fixedly connected between the supporting section 71 and the circuit board 8, so that the elastic buckle 7 is more stable, holes are punched in the circuit board 8, the positions of the holes correspond to the mounting posts 12, the mounting posts 12 are inserted into the holes, when the clamping block 6 passes through the extrusion section 73, the elastic buckle 7 deforms, and the clamping block 6 is clamped into the mounting through hole 74, so that the mounting is completed. When the utility model is pressed by an object, the second shell 2 moves towards the direction of the first shell 1 under the action of external force, the elastic piece 32 is compressed, the impact force received by the elastic piece 32 is absorbed by the elastic piece to play a role of buffering, so that the MCU controller 9 is prevented from being impacted by the external force, and meanwhile, the elastic heat conducting gasket 5 can play a role of buffering when the MCU controller 9 is impacted by the external force. The heat generated by the MCU controller 9 during operation is conducted to the radiating

fins

4 and 41 by the elastic heat conducting gaskets 5, so that the temperature of the MCU controller 9 can be reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A protection device for an MCU controller, comprising: the first shell is hollow and has an opening structure at the upper end and the lower end; the second shell is of a hollow structure with an opening at the bottom end, is sleeved on the first shell and is in sliding connection with the first shell; the buffer parts comprise sleeves, the top ends of the sleeves are fixedly connected with the inner wall of the top of the second shell, the inner wall of the top of the second shell is fixedly connected with an elastic part, the elastic part is arranged inside the sleeves, the bottom ends of the elastic parts are fixedly connected with sliding rods, the sliding rods are in sliding connection with the sleeves, and one ends, far away from the elastic parts, of the sliding rods are used for being supported on a circuit board; the buckle assembly is used for installing the first shell on the circuit board.

2. The protection device of the MCU controller according to claim 1, wherein a radiating fin is arranged below the sleeve, the radiating fin is fixedly connected with the radiating fin, an elastic heat conduction gasket is fixedly connected with the bottom of the radiating fin, and the bottom surface of the elastic heat conduction gasket is contacted with the top surface of the MCU controller; wherein, fin, elasticity heat conduction gasket all with the inner wall fixed connection of first casing.

3. The protection device of the MCU controller according to claim 2, wherein a plurality of grooves are provided on an outer wall of the heat radiating fin.

4. The protection device of the MCU controller according to claim 1, wherein a plurality of heat dissipation holes are formed on a top side wall of the second housing.

5. The MCU controller protection device of claim 1, wherein the snap assembly comprises: the clamping blocks are fixedly connected to the outer wall of the first shell; the elastic buckle comprises a supporting section, one end of the supporting section is used for being connected with a circuit board, the other end of the supporting section is fixedly connected with an arc section, one end of the arc section, far away from the supporting section, is fixedly connected with an extrusion section, an installation through hole is formed in the extrusion section, and the installation through hole is matched with a clamping block.

6. The protection device of the MCU controller of claim 5, wherein the fixture block is of a hemispherical structure.

7. The protection device of the MCU controller according to claim 1, wherein a plurality of sliding blocks are fixedly connected to the inner wall of the second shell, sliding grooves corresponding to the sliding blocks one by one are arranged on the outer wall of the first shell, and the sliding grooves and the sliding blocks are in sliding connection.

8. The protection device of the MCU controller according to claim 1, wherein the bottom end of the first housing is fixedly connected with a plurality of mounting posts.

9. The protection device of the MCU controller according to claim 1, wherein one end of the sliding rod far away from the elastic piece is fixedly connected with a supporting plate, and the supporting plate is used for being supported on a circuit board.

10. The MCU controller protection device of claim 1, wherein the resilient member is a spring.