CN216057688U

CN216057688U - Power supply module

Info

Publication number: CN216057688U
Application number: CN202120413120.XU
Authority: CN
Inventors: 徐卫兵; 卢世江; 张丹月
Original assignee: Hangzhou Zhonhen Electric Co ltd
Current assignee: Hangzhou Zhonhen Electric Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2022-03-15
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to a power supply module comprising: the two shells are connected up and down, a notch is formed on the surface of one side, close to the other shell, of one shell, or the notches are formed on the surfaces of the two shells which are connected; the elastic pieces are arranged corresponding to the notches, one end of each elastic piece is installed in each notch, the part of each elastic piece protrudes out of each notch, and the two shells are electrically connected through one elastic piece or the two shells are electrically connected through the two elastic pieces which are correspondingly arranged up and down. According to the technical scheme, the two shells are electrically connected well through the elastic piece, or the two shells are electrically connected well through the two elastic pieces which are correspondingly arranged up and down, so that the power module has good electromagnetic compatibility shielding effectiveness, and the elastic pieces are good in elasticity, so that the power module is reliable in contact, and the electromagnetic compatibility shielding effectiveness is not easy to attenuate after the power module is disassembled and reassembled.

Description

Power supply module

Technical Field

The utility model relates to the technical field of power supplies, in particular to a power supply module.

Background

In the communication field, use the power module of die-casting shell, generally, be used in the open air, waterproof design must be considered to this type of module, generally adopt the sealing washer as waterproof measure, use behind the sealing washer, have certain clearance between the upper and lower casing, only realize the contact through the screw of fixed upper cover between the upper and lower casing, consider outdoor anticorrosion and appearance requirement, the shell face can carry out the spraying with screw contact department, have insulating effect after the spraying, lead to the screw contact the electrical connection effect of casing department is relatively poor about the casing, be difficult to reach the shielding efficiency that the electromagnetic compatibility required.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power module which has better electromagnetic compatibility shielding efficiency, and after the power module is disassembled and reassembled, the contact is reliable due to the better elasticity of an elastic piece, so that the electromagnetic compatibility shielding efficiency is not easy to attenuate, and the power module has better applicability.

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

a power supply module comprising: the two shells are connected up and down, a notch is formed on the surface of one side, close to the other shell, of one shell, or the notches are formed on the surfaces of the two shells which are connected; the elastic pieces are arranged corresponding to the notches, one end of each elastic piece is arranged in each notch, and the part of each elastic piece protrudes out of each notch, wherein the two shells are electrically connected through one elastic piece, or the two shells are electrically connected through the two elastic pieces which are correspondingly arranged up and down.

Preferably, the elastic member includes a first elastic portion fixedly mounted in the notch, and a second elastic portion fixedly connected to the first elastic portion, a middle portion of the second elastic portion protrudes out of the notch, and one side of the second elastic portion, which is far away from the first elastic portion, is disposed in the notch or extends out of the notch.

Preferably, the notch includes a first groove portion and a second groove portion communicated with the first groove portion, a dimension of the first groove portion in the height thickness direction is greater than a dimension of the second groove portion in the height direction of the housing, the first elastic portion is fixedly mounted in the first groove portion, a middle portion of the second elastic portion protrudes out of the second groove portion, and a side of the second elastic portion, which is far away from the first elastic portion, is disposed in the second groove portion.

Preferably, the first elastic portion has a mounting hole formed therethrough in a thickness direction thereof, and the power module includes a bolt member fixedly disposed on the first groove portion through the mounting hole.

Preferably, a surface of one of the housings on a side close to the other housing includes four end surfaces, or each of the two housings includes four end surfaces, at least one notch is formed on each of the end surfaces, the elastic member is provided with a plurality of elastic members, and each of the elastic members is installed in each notch in a one-to-one correspondence manner.

Preferably, the two shells respectively comprise four end faces, a plurality of notches are formed in each end face of each shell, the notches formed in the two vertically corresponding end faces are arranged at intervals, the elastic pieces are arranged in a plurality of positions, and each elastic piece is correspondingly arranged in each notch.

Preferably, three notches are formed in two end faces of one of the shells in the long side direction at intervals, two notches are formed in two end faces of the shell in the short side direction at intervals, ten elastic pieces are arranged, and each elastic piece is correspondingly arranged in each notch.

Preferably, four of the end faces of the housing are correspondingly formed with clamping grooves one to one, the clamping grooves are formed in one side of the notch close to the inside of the housing, the clamping grooves in two adjacent end faces are communicated, and the power module further comprises waterproof pieces correspondingly clamped in the clamping grooves.

Preferably, the second elastic part is arc-shaped, and the size of the second elastic part protruding from the end face is larger than the size of the waterproof part protruding from the end face.

Preferably, the waterproof member is a silica gel ring.

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

the power module that provides among the above-mentioned technical scheme, be through connecting two casings that set up from top to bottom, and correspond the notch that forms on the casing, and correspond the elastic component that sets up with the notch, elastic component one end is installed in the notch, the elastic component part bulges outside the notch, thereby realize good electrical connection through an elastic component based on two casings, or two casings realize good electrical connection through two elastic components that correspond the setting from top to bottom, make power module have better electromagnetic compatibility shielding efficiency, because the elastic component elasticity is better, make the contact reliable, thereby make power module dismantle the difficult decay of electromagnetic compatibility shielding efficiency after the reinstallation, better suitability has.

Drawings

Fig. 1 is a schematic structural diagram of a power module according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of one of the housings shown in fig. 1.

Fig. 3 is a partially enlarged view of a portion a shown in fig. 2.

Fig. 4 is a partial assembly view of the housing shown in fig. 2.

Fig. 5 is a partially enlarged view of the portion B shown in fig. 4.

Fig. 6 is a schematic structural view of the elastic member shown in fig. 3.

Fig. 7 is a cross-sectional schematic view of the housing shown in fig. 2.

Fig. 8 is a partially enlarged view of the portion C shown in fig. 7.

Fig. 9 is a schematic structural view of another housing shown in fig. 1.

Description of the symbols of the drawings:

1. a housing; 11. a notch; 111. a first groove portion; 112. a second groove portion; 12. an end face; 2. an elastic member; 21. a first elastic part; 211. mounting holes; 22. a second elastic part; 3. a bolt member; 4. a waterproof member.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the utility model is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Referring to fig. 1 to 9, an embodiment of the utility model provides a power module, including: a housing 1, an elastic member 2, a bolt member 3, and a waterproof member 4.

The two shells 1 are connected up and down, wherein a notch 11 is formed on the surface of one side, close to the other shell 1, of one shell 1, or the notches 11 are formed on the surfaces, connected and arranged, of the two shells 1; the elastic pieces 2 are arranged corresponding to the notches 11, one end of each elastic piece is arranged in the notch 11, and the part of each elastic piece protrudes out of the notch 11, wherein the two shells 1 are electrically connected through one elastic piece 2, or the two shells 1 are electrically connected through the two elastic pieces 2 which are correspondingly arranged up and down.

It should be noted that, when the two housings 1 are connected and disposed with the notches 11 formed on the surfaces thereof, one of the notches 11 formed on the housing 1 and the other notch 11 formed on the housing 1 may be disposed in a corresponding manner from top to bottom, or may be disposed at intervals from top to bottom, and the elastic member 2 is disposed in a corresponding manner to the notch 11.

It can be understood that the elastic member 2 may be a metal elastic sheet, and since one end of the elastic member 2 is installed in the notch 11, the stability of the overall structure is improved; because the elastic part 2 partially protrudes out of the notch 11, after the two housings 1 are installed, the elastic part 2 is compressed and deformed, and the elastic part 2 and another elastic part 2 which is correspondingly arranged up and down can be attached to each other, so that the two housings 1 are electrically connected well through the two elastic parts 2 which are correspondingly arranged up and down, or the elastic part 2 and another housing 1 can be attached to each other, so that the two housings 1 are electrically connected well through one elastic part 2, and the power module has better electromagnetic compatibility shielding efficiency; because the elasticity of the elastic part 2 is better, the two elastic parts 2 which are correspondingly arranged up and down are reliably contacted, or the elastic part 2 is reliably contacted with the other shell 1, so that the electromagnetic compatibility shielding effectiveness is not easy to attenuate after the power module is disassembled and reassembled.

The notch 11 includes a first groove 111 and a second groove 112 communicating with the first groove 111, the first groove 111 is larger than the second groove 112 in the height direction of the housing 1, the elastic member 2 includes a first elastic portion 21 fixedly mounted in the first groove 111 and a second elastic portion 22 fixedly connected to the first elastic portion 21, a middle portion of the second elastic portion 22 protrudes out of the second groove 112, and a side of the second elastic portion 22 away from the first elastic portion 21 is disposed in the second groove 112. In other embodiments, a side of the second elastic portion 22 away from the first elastic portion 21 extends out of the second groove 112.

It can be understood that, as shown in fig. 6 to 8, the first elastic portion 21 is straight, and is used for increasing the contact area between the first elastic portion 21 and the first groove portion 111, so that the first elastic portion 21 is more stably installed in the first groove portion 111, thereby improving the installation stability of the elastic member 2.

The second elastic portion 22 is an arc, because the middle part of the second elastic portion 22 protrudes to the outside of the second groove 112, when two housings 1 are installed, the second elastic portion 22 is compressed and deformed, the second elastic portion 22 can be attached to another second elastic portion 22 which is correspondingly arranged up and down, so that two housings 1 are correspondingly arranged up and down, the second elastic portion 22 can realize good electrical connection, or the second elastic portion 22 and another housing 1 can be attached to each other, so that two housings 1 can realize good electrical connection through one second elastic portion 22, and thus the power module has good electromagnetic compatibility shielding effectiveness.

Because the first slot portion 111 is followed casing 1 direction of height's size is greater than the second slot portion 112 is followed casing 1 direction of height's size, just second elastic component 22 is far away from one side of first elastic component 21 set up in the second slot portion 112, after two casing 1 installation is accomplished, elastic component 2 is by another casing 1 or another that corresponds the setting from top to bottom when elastic component 2 compresses, the amount of elastic component 2 compression deformation can be accomodate in notch 11, will elastic component 2 sets up to the straight type first elastic component 21 and the arc type second elastic component 22 not only satisfy the installation requirement to elastic component 2, still make power module have better electromagnetic compatibility shielding efficiency simultaneously.

In a preferred embodiment, the first elastic portion 21 is formed with a mounting hole 211 extending through the thickness direction thereof, the power module includes a bolt member 3, the bolt member 3 is fixedly disposed on the first groove portion 111 through the mounting hole 211, and as shown in fig. 6 to 8, the first elastic portion 21 is fixedly connected to the first groove portion 111, so that the elastic member 2 is mounted in the notch 11.

In one embodiment, a surface of one of the housings 1 close to one side of the other housing 1 includes four end surfaces 12, three notches 11 are formed at intervals on two end surfaces 12 of one of the housings 1 along a long side direction thereof, two notches 11 are formed at intervals on two end surfaces 12 of the housing 1 along a short side direction thereof, ten elastic members 2 are provided, and each elastic member 2 is installed in each notch 11 in a one-to-one correspondence manner. In other embodiments, the number of the elastic members 2 may be 8, and each end surface 12 of one of the housings 1 may be provided with 2 corresponding notches 11.

It can be understood that, as shown in fig. 2 and 4, three or two notches 11 are provided on each end surface 12, and ten elastic members 2 are provided, so that after two housings 1 are mounted, the elastic members 2 are compressed and deformed, and the ten elastic members 2 are attached to another housing 1, thereby increasing the contact area between the elastic members 2 and another housing 1, so as to better ensure the contact reliability, so that the two housings 1 are electrically connected with each other well through the ten elastic members 2, and further improving the electromagnetic compatibility shielding effectiveness of the power module.

In another embodiment, compared with the previous embodiment, the present embodiment is different in that each of the two housings 1 includes four end surfaces 12, each of the end surfaces 12 in each of the housings 1 has a plurality of notches 11 formed thereon, the notches 11 formed on the two corresponding end surfaces 12 are spaced apart, the elastic member 2 has a plurality of notches 2, and each of the elastic members 2 is installed in each of the notches 11 in a one-to-one correspondence.

It can be understood that, after the two housings 1 are mounted, the elastic member 2 is compressed and deformed, and the elastic member 2 is attached to the other housing 1, so that the contact area between the elastic member 2 and the other housing 1 is increased, and the contact reliability is better ensured, so that the two housings 1 are electrically connected through the elastic members 2, and the electromagnetic compatibility shielding effectiveness of the power module is further improved.

In addition, in order to achieve the waterproof purpose, one of the four end surfaces 12 of the housing 1 are correspondingly provided with clamping grooves one to one, the clamping grooves are formed in one side, close to the inside of the housing 1, of the notch 11, the two adjacent clamping grooves on the end surfaces 12 are communicated, the power module further comprises waterproof pieces 4 correspondingly clamped in the clamping grooves, the second elastic portions 22 are arc-shaped, and the size of the second elastic portions 22 protruding out of the end surfaces 12 is larger than the size of the waterproof pieces 4 protruding out of the end surfaces 12. In a preferred embodiment, the waterproof member 4 is a silicone ring.

It can be understood that waterproof 4 joint in the draw-in groove, make waterproof 4 joint be fixed in the casing 1, because one of them four in the casing 1 the one-to-one is formed with the draw-in groove on the terminal surface 12 for waterproof 4 will two all surfaces that casing 1 connects the setting are all sealed, have reached better water-proof effects, waterproof 4 with 2 combined action of elastic component, it is not only right power module plays waterproof effect, still has better electromagnetic compatibility shielding efficiency, because second elastic part 22 protrusion in the size of terminal surface 12 is greater than waterproof 4 protrusion in the size of terminal surface 12, consequently will the draw-in groove set up in notch 11 is close to one side of casing 1 inside, it is better to the inside water-proof effects of power module.

Because the size that the second elastic part 22 protrudes from the end face 12 is larger than the size that the waterproof part 4 protrudes from the end face 12, after the two housings 1 are installed, the second elastic part 22 is in full contact with the other housing 1, that is, the elastic part 2 is in full contact with the other housing 1, the situation that the elastic part 2 is in poor contact with the other housing 1 is avoided as much as possible, the two housings 1 are better electrically connected, and the power module has better electromagnetic compatibility shielding effectiveness. In other embodiments, the second elastic portion 22 may also be in an angle shape.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A power module, comprising:

the two shells (1) are connected up and down, a notch (11) is formed on the surface of one side, close to the other shell (1), of one shell (1), or the notches (11) are formed on the surfaces, connected and arranged, of the two shells (1);

the elastic pieces (2) are arranged corresponding to the notches (11), one end of each elastic piece is installed in each notch (11), and the part of each elastic piece protrudes out of each notch (11), wherein the two shells (1) are electrically connected through one elastic piece (2), or the two shells (1) are electrically connected through the two elastic pieces (2) which are correspondingly arranged up and down.

2. The power module according to claim 1, wherein the elastic member (2) includes a first elastic portion (21) fixedly mounted in the notch (11), and a second elastic portion (22) fixedly connected to the first elastic portion (21), a middle portion of the second elastic portion (22) protrudes out of the notch (11), and a side of the second elastic portion (22) away from the first elastic portion (21) is disposed in the notch (11) or extends out of the notch (11).

3. The power module according to claim 2, wherein the notch (11) includes a first groove portion (111) and a second groove portion (112) communicating with the first groove portion (111), a dimension of the first groove portion (111) in a height direction of the housing (1) is larger than a dimension of the second groove portion (112) in the height direction of the housing (1), the first elastic portion (21) is fixedly installed in the first groove portion (111), a middle portion of the second elastic portion (22) protrudes out of the second groove portion (112), and a side of the second elastic portion (22) away from the first elastic portion (21) is disposed in the second groove portion (112).

4. A power supply module according to claim 3, wherein the first elastic portion (21) is formed with a mounting hole (211) therethrough in a thickness direction thereof, the power supply module including a bolt member (3), the bolt member (3) being fixedly provided to the first groove portion (111) through the mounting hole (211).

5. The power module according to any one of claims 2-4, wherein the surface of one of the housings (1) adjacent to one side of the other housing (1) comprises four end surfaces (12), or two of the housings (1) each comprise four end surfaces (12), at least one notch (11) is formed on each end surface (12), the elastic member (2) is provided in plurality, and each elastic member (2) is installed in each notch (11) in a one-to-one correspondence manner.

6. The power module according to claim 5, wherein each of the two housings (1) includes four end faces (12), each of the end faces (12) of each of the housings (1) has a plurality of notches (11) formed thereon, and the notches (11) formed on the two corresponding end faces (12) are spaced apart from each other.

7. The power module according to claim 5, wherein three notches (11) are formed at intervals on two end faces (12) of one of the housings (1) in the long side direction thereof, two notches (11) are formed at intervals on two end faces (12) of the housing (1) in the short side direction thereof, and ten elastic members (2) are provided.

8. The power module according to claim 5, wherein, four end faces (12) of one of the housings (1) are correspondingly formed with a slot, the slot is disposed at one side of the notch (11) close to the interior of the housing (1), the slots on two adjacent end faces (12) are in communication, and the power module further comprises a waterproof member (4) correspondingly clamped in each slot.

9. The power module as claimed in claim 8, wherein the second resilient portion (22) is arc-shaped, and the protrusion of the second resilient portion (22) from the end face (12) is larger than the protrusion of the flashing member (4) from the end face (12).

10. A power supply module according to claim 8 or 9, characterized in that the flashing (4) is a silicone ring.