CN212365748U

CN212365748U - Explosion-proof and flame-proof capacitor insulation cover

Info

Publication number: CN212365748U
Application number: CN202021155623.3U
Authority: CN
Inventors: 陈邺武
Original assignee: Yancheng Kangwei Electronics Co ltd
Current assignee: Yancheng Kangwei Electronics Co ltd
Priority date: 2020-06-21
Filing date: 2020-06-21
Publication date: 2021-01-15
Anticipated expiration: 2030-06-21

Abstract

The utility model discloses an explosion-proof and flame-proof capacitor insulation cover, which comprises a cover shell, ceramic sheets and a fixing band, wherein after a plurality of capacitors are connected in parallel, the bottoms of the capacitors are fixed by a base, the base is uniformly provided with a plurality of grooves, and the capacitors are arranged in the grooves; the heat dissipation device is characterized in that the cover shell is made of ABS resin, a plurality of inserting ports are formed in the bottom of the cover shell, the cover shell is sleeved on the upper portions of a plurality of capacitors, the cover shell and the capacitors are fixedly connected by virtue of friction force, the tops of the inserting ports are communicated, a plurality of heat dissipation gaps are formed in the side face of the cover shell and are long-strip-shaped gaps which are uniformly distributed, the heat dissipation gaps are communicated with through holes in the tops of the inserting ports, ceramic chips are mounted on the cover shell above the heat dissipation gaps, joint holes are formed in the ceramic chips, a plurality of reinforcing ribs are arranged in the side face of the cover shell. The utility model discloses can fix the condenser of a plurality of series connections, insulating, fire-retardant, shock resistance simultaneously avoids accidents such as explosion impact and conflagration, and the security is higher.

Description

Explosion-proof and flame-proof capacitor insulation cover

Technical Field

The utility model belongs to electric capacity processing field, concretely relates to explosion-proof and flame-proof capacitor insulation cover.

Background

Capacitors are electronic components that are used in a wide variety of applications and can store electrical quantities and potential energy. The structure is a conductor system that one conductor is surrounded by another conductor or electric field lines emitted by one conductor are all terminated at another conductor, and the structure is widely applied to the fields of DC blocking AC, coupling, bypass, filtering, tuning loop, energy conversion, control and the like in a circuit.

The existing capacitor can improve the capacity by combination, a plurality of independent capacitors are connected in parallel by adopting a lead, and the capacitor is generally fixed by a circular or rectangular shell in the industry, so that the material consumption is high. Meanwhile, in the use process, after the capacitors are connected in parallel, the welding position is easy to overheat and generate sparks; when a circuit is overloaded, the capacitor is easy to break down and burn, and when the capacitor breaks down, the internal current is increased sharply, so that the temperature and the pressure inside the capacitor can exceed critical values in a very short time, and accidents are easily caused by explosion and combustion of a plurality of capacitors in the short time.

SUMMERY OF THE UTILITY MODEL

The aforesaid that exists to prior art is not enough, the utility model discloses a solve current capacitor combination time material and consume too much, the easy overheated and production spark of welding department simultaneously appears the detonation accident easily when meetting situations such as circuit overload.

In order to achieve the purpose, the utility model provides an explosion-proof and flame-proof capacitor insulation cover, which comprises a cover shell, a ceramic chip and a fixing band,

after the capacitors are connected in parallel, the bottoms of the capacitors are fixed through a base, the base is uniformly provided with a plurality of grooves, and the capacitors are arranged in the grooves;

the cover shell is made of ABS resin, a plurality of inserting ports are arranged at the bottom of the cover shell, the cover shell is sleeved at the upper parts of a plurality of capacitors, the cover shell and the capacitors are fixedly connected by friction force, the tops of the inserting ports are communicated, a plurality of heat dissipation gaps are arranged on the side surfaces of the cover shell, the heat dissipation gaps are uniformly distributed strip-shaped gaps, and are communicated with through pore canals at the tops of the inserting ports,

the cover shell above the heat dissipation gap is provided with a ceramic chip which is provided with a joint hole, a joint line of the capacitor can penetrate out of the joint hole,

the side face of the cover shell is provided with a plurality of reinforcing ribs, and the reinforcing ribs and the cover shell are integrally formed.

Further, the cover shell is internally filled with epoxy resin, and the epoxy resin is in contact with the capacitor welding points.

Further, the tiles are mounted in the recesses above the heat dissipation gap of the cover housing.

Further, the capacitor cover further comprises a fixing belt, and the fixing belt is wound on the connecting part of the lower part of the cover shell and the capacitor.

The utility model has the advantages that:

1. the explosion-proof and flame-proof capacitor insulating cover of the utility model is used in cooperation with the base, can fix a plurality of capacitors connected in series, is insulating, flame-retardant and impact-resistant, can block the explosion impact of the capacitor when a circuit is overloaded, avoids accidents such as fire disasters caused by the combustion of the capacitor, and has higher safety;

2. the utility model is provided with ceramic chips for connecting the connector wires, avoids sparks, and is matched with the heat dissipation clearance simultaneously, so that the capacitor can effectively dissipate heat and cool down;

3. the utility model discloses a cover casing side has the strengthening rib, and the bottom has the fixed band, avoids condenser explosion, separation.

Drawings

Fig. 1 is a schematic front view of the assembly of the insulating cover of the explosion-proof and flame-proof capacitor and the capacitor according to the present invention;

fig. 2 is a schematic front view of the assembly of the insulating cover of the explosion-proof and flame-proof capacitor and the capacitor of the present invention.

In the figure: 1. a base; 2. a capacitor; 3. a cover housing; 4. a heat dissipation gap; 5. a joint bore; 6. a tile; 7. reinforcing ribs; 8. and (7) fixing the belt.

Detailed Description

The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.

As shown in figure 1, the insulating cover of an explosion-proof and flame-proof capacitor 2 comprises a cover shell 3, ceramic tiles 6 and a fixing band 8,

after the capacitors 2 are connected in parallel, the bottoms of the capacitors are fixed through the base 1, the base 1 is uniformly provided with a plurality of grooves, and the capacitors 2 are arranged in the grooves;

the cover shell 3 is made of ABS resin, the bottom of the cover shell 3 is provided with a plurality of insertion ports, the cover shell 3 is sleeved on the upper parts of a plurality of capacitors 2, the cover shell 3 and the capacitors 2 are fixedly connected by friction force, the tops of the insertion ports are communicated, the side surface of the cover shell 3 is provided with a plurality of heat dissipation gaps 4, the heat dissipation gaps 4 are uniformly distributed strip-shaped gaps, and the heat dissipation gaps 4 are communicated with through pore canals at the tops of the insertion ports,

as shown in fig. 2, the cover body 3 above the heat dissipation gap 4 is provided with tiles 6, the tiles 6 are provided with joint holes 5, the joint lines of the capacitor 2 can penetrate out of the joint holes 5,

the side of the cover shell 3 is provided with a plurality of reinforcing ribs 7, and the reinforcing ribs 7 and the cover shell 3 are integrally formed.

In practical applications, the cap housing 3 is filled with epoxy resin, and the epoxy resin is in contact with the solder points of the capacitor 2.

In practice, the tiles 6 are mounted in recesses above the heat dissipation gap 4 of the housing 3.

In practical application, the capacitor cover further comprises a fixing belt 8, and the fixing belt 8 is wound on the connecting part of the lower part of the cover shell 3 and the capacitor 2.

In summary, the following steps: the utility model discloses can fix the condenser of a plurality of series connections, insulating, fire-retardant, shock resistance simultaneously avoids accidents such as explosion impact and conflagration, and the security is higher.

The basic principle, the main features and the advantages of the present invention have been described. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.

Claims

1. The utility model provides an explosion-proof and flame-proof capacitor insulation cover which characterized in that: comprises a cover shell (3), ceramic tiles (6) and a fixing band (8),

after the capacitors (2) are connected in parallel, the bottoms of the capacitors are fixed through the base (1), the base (1) is uniformly provided with a plurality of grooves, and the capacitors (2) are arranged in the grooves;

the heat dissipation structure is characterized in that the cover shell (3) is made of ABS resin, a plurality of inserting ports are formed in the bottom of the cover shell (3), the cover shell (3) is sleeved on the upper portions of a plurality of capacitors (2), the cover shell (3) and the capacitors (2) are fixedly connected by friction, the tops of the inserting ports are communicated, a plurality of heat dissipation gaps (4) are formed in the side face of the cover shell (3), the heat dissipation gaps (4) are uniformly distributed strip-shaped gaps, and the heat dissipation gaps (4) are communicated with through hole passages in the tops of the inserting ports,

a ceramic chip (6) is arranged on the cover shell (3) above the heat dissipation gap (4), the ceramic chip (6) is provided with a joint hole (5), a joint line of the capacitor (2) can penetrate out of the joint hole (5),

the side surface of the cover shell (3) is provided with a plurality of reinforcing ribs (7), and the reinforcing ribs (7) and the cover shell (3) are integrally formed.

2. An explosion-proof and flame-proof capacitor insulating cover according to claim 1, characterized in that: the cover shell (3) is filled with epoxy resin, and the epoxy resin is in contact with the welding point of the capacitor (2).

3. An explosion-proof and flame-proof capacitor insulating cover according to claim 1, characterized in that: the ceramic tiles (6) are arranged in the pits above the heat dissipation gap (4) of the cover shell (3).

4. An explosion-proof and flame-proof capacitor insulating cover according to claim 1, characterized in that: the capacitor cover is characterized by further comprising a fixing belt (8), and the fixing belt (8) is wound on the connecting part of the lower part of the cover shell (3) and the capacitor (2).