CN210223791U

CN210223791U - Capacitor with explosion-proof structure

Info

Publication number: CN210223791U
Application number: CN201920904570.1U
Authority: CN
Inventors: Yu Lu; 鲁禹; Shengdong Liu; 刘圣东; Er Lin; 林儿; Donghua Chen; 陈东华; Guogang Fu; 符国纲
Original assignee: Huizhou Sanhua Industrial Co ltd
Current assignee: Huizhou Sanhua Industrial Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-03-31
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a capacitor with an explosion-proof structure, which comprises a capacitor component, a buckling component and a protective cap, wherein the capacitor component comprises a shell and a capacitor body, and the shell is sleeved on the capacitor body; the buckling assembly comprises at least one buckling block, and the buckling block is arranged on the shell; the protective cap is provided with an accommodating cavity, at least one clamping groove is formed in the inner side wall of the accommodating cavity, and the clamping block is embedded in the clamping groove. The utility model relates to a condenser with explosion-proof structure through setting up electric capacity subassembly, lock subassembly and helmet, can collect the gas or the liquid that the condenser explosion came out, and the material after avoiding exploding can not strike out, guarantees the security of other electronic components of circuit board.

Description

Capacitor with explosion-proof structure

Technical Field

The utility model relates to an electronic components field especially relates to a condenser with explosion-proof construction.

Background

The capacitor, generally referred to simply as its capacity to hold a charge, is denoted by the letter C. Definition 1: a capacitor, as the name implies, is an "electrically charged container", a device that contains an electrical charge. English name is capacitor. The capacitor is one of electronic elements widely used in electronic equipment, and is widely applied to aspects of blocking AC, coupling, bypassing, filtering, tuning loop, energy conversion, control and the like in a circuit. Definition 2: a capacitor is formed between any two conductors (including wires) which are insulated and closely spaced from each other.

However, after the conventional capacitor is soldered on a circuit board, due to the use of the conventional capacitor over a long period of time and the service life of the conventional capacitor, an explosion condition may occur under the impact of current and voltage, and during the explosion, an electrolyte in the capacitor is gasified and then impacted out of a shell of the capacitor in a gas form, so that the structure of the capacitor is damaged, and the circuit board cannot normally work; meanwhile, other electronic components can be damaged by the huge shock waves; in severe cases, there is also a risk that the circuit board may explode and burn.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a condenser with explosion-proof structure, can collect the gaseous or liquid that the condenser explosion came out, the material after avoiding exploding can not strike out, guarantees the security of other electronic components of circuit board.

The purpose of the utility model is realized through the following technical scheme:

a capacitor having an explosion-proof structure, comprising:

the capacitor assembly comprises a shell and a capacitor body, and the shell is sleeved on the capacitor body;

the buckling assembly comprises at least one buckling block, and the buckling block is arranged on the shell; and

the protective cap is provided with an accommodating cavity, at least one clamping groove is formed in the inner side wall of the accommodating cavity, and the clamping block is embedded in the clamping groove.

In one embodiment, the fastening assembly comprises three fastening blocks, and the three fastening blocks are arranged on the shell in a surrounding manner.

In one embodiment, the inner side wall of the accommodating cavity is provided with three clamping grooves, and each clamping block is embedded in one clamping groove in a one-to-one correspondence manner.

In one embodiment, at least one fastening hole is formed on the inner side wall of the accommodating cavity, and the fastening block penetrates through the fastening hole.

In one embodiment, in one of the fastening blocks, the fastening block includes a fixed block and a plastic block, the fixed block is disposed on the housing, and the plastic block is disposed on the fixed block.

In one embodiment, the capacitor is used for being mounted on a circuit board, a mounting groove is formed in the circuit board, the protective cap and the capacitor assembly are respectively embedded in the mounting groove, and the outer side wall of the protective cap and the outer side wall of the shell are respectively abutted to the inner side wall of the mounting groove.

In one embodiment, the protective cap includes a receiving cap and a fixing sleeve, the fixing sleeve is disposed on the housing, the receiving cap is disposed on the fixing sleeve, and the receiving cap and the fixing sleeve are respectively embedded in the mounting groove.

In one embodiment, the mounting groove is further provided with a limiting groove, and the fixing sleeve is embedded in the limiting groove.

In one embodiment, the capacitor assembly includes a connection pin, one end of the connection pin is disposed on the capacitor body, and the other end of the connection pin is soldered to the circuit board.

In one embodiment, the circuit board is provided with a welding hole, and the connecting pin penetrates through the welding hole.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model relates to a condenser with explosion-proof structure through setting up electric capacity subassembly, lock subassembly and helmet, can collect the gas or the liquid that the condenser explosion came out, and the material after avoiding exploding can not strike out, guarantees the security of other electronic components of circuit board.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a capacitor having an explosion-proof structure according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a capacitor assembly of the capacitor having an explosion-proof structure shown in fig. 1;

FIG. 3 is a schematic structural view of a protective cap of the capacitor having an explosion-proof structure shown in FIG. 1;

fig. 4 is a schematic structural diagram of a circuit board of the capacitor having an explosion-proof structure shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a capacitor having an explosion-proof structure includes: the capacitor comprises a capacitor assembly 100, a buckling assembly 200 and a protective cap 300, wherein the capacitor assembly 100 is used for realizing the function of a capacitor; the buckling component 200 is used for buckling the protective cap on the shell of the capacitor component; the protective cap 300 is used to protect the circuit board from damage and prevent the electrolyte from being sprayed out of the circuit board when the capacitor explodes.

Referring to fig. 2, the capacitor assembly 100 includes a housing 110 and a capacitor body 120, and the housing 110 is disposed on the capacitor body 120. It should be noted that the housing 110 is used to protect the capacitor body 120 from damage; the capacitor body 120 is used for being mounted on a circuit board to realize the function of a capacitor.

Referring to fig. 2, the fastening assembly 200 includes at least one fastening block 210, and the fastening block 210 is disposed on the housing 110. It should be noted that the fastening block 210 is used for fastening on the helmet to fix the helmet.

Referring to fig. 3, the helmet 300 has a receiving cavity 310, at least one engaging groove 320 is formed on an inner sidewall of the receiving cavity 310, and the fastening block 210 is embedded in the engaging groove 320. It should be noted that the accommodating cavity 310 is used for installing the capacitor body and the housing; the fastening groove 320 is used for installing a fastening block, so that the protective cap can be fixed.

It should be noted that, in the use process of the capacitor, when a large current or a large voltage is impacted, the capacitor is prone to explode, and therefore, in this embodiment, when the capacitor explodes, the capacitor explodes from the position of the end face of the housing and ejects the electrolyte, and at this time, due to the effect of the protective cap, the electrolyte is accommodated in the accommodating cavity, so as to protect other electronic components on the circuit board.

And set up the buckle piece on the shell to inlay the buckle piece and put in the joint inslot of helmet, thereby can guarantee when the condenser explodes, under the impact of electrolyte, the helmet can not fly out the electric capacity originally externally, thereby collect the electrolyte of condenser effectively, buckle piece and joint groove have then played fixed effect, have protected the circuit board not receive the damage of electrolyte effectively, avoid appearing further danger, improve the security that the condenser used.

So, through setting up electric capacity subassembly, lock subassembly and helmet, can collect the gas or the liquid that the condenser explosion came out, the material after avoiding the explosion can not strike out, guarantees the security of other electronic components of circuit board.

In this embodiment, the fastening assembly 200 includes three fastening blocks 210, and the three fastening blocks are disposed around the housing. Three clamping grooves 320 are formed in the inner side wall of the accommodating cavity 310, and each clamping block is embedded in one clamping groove 320 in a one-to-one correspondence manner. It should be noted that the housing is a cylindrical structure, and therefore the fastening block needs to be arranged in a surrounding manner. So, set up three buckle piece 210 and three joint groove 320, stability and reliability when can improving the installation.

In another embodiment, the inner sidewall of the accommodating cavity 310 is provided with at least one fastening hole, and the fastening block is disposed through the fastening hole. It should be noted that, the buckle hole is the structure that the pore-forming was opened in the joint groove, makes things convenient for the dismantlement operation of helmet like this, when the helmet is installed to needs, then directly with the helmet lock on the buckle piece. And when needs were dismantled, then through pressing the downthehole buckle piece of buckle, then taking out from the helmet, then can dismantle the helmet fast.

Furthermore, in order to conveniently detach the protective cap from the buckle block and realize quick installation and detachment operation, one of the buckle block comprises a fixed block and a plastic block, the fixed block is arranged on the shell, and the plastic block is arranged on the fixed block. Through setting up fixed block and plastic piece, when the helmet is dismantled to needs, then press the compression moulding and glue the piece, then at the pulling helmet, then can take off the helmet from the condenser. So, conveniently dismantle the helmet from the buckle piece, realize quick installation and dismantlement operation.

Referring to fig. 4, the capacitor is configured to be mounted on a circuit board 400, the circuit board 400 is provided with a mounting groove 410, the protective cap 300 and the capacitor assembly 100 are respectively embedded in the mounting groove 410, and an outer sidewall of the protective cap 300 and an outer sidewall of the housing 110 are respectively abutted against an inner sidewall of the mounting groove 410. It should be noted that the circuit board 100 is used for mounting the capacitor and the protective cap, and further ensures that the protective cap does not separate from the capacitor. And the outer side wall of the helmet 300 and the outer side wall of the shell 110 are attached to the inner side wall of the mounting groove 410, so that the helmet can be further limited when the capacitor explodes, the friction force of the helmet separating from the capacitor is increased, and the structural stability is improved.

Referring to fig. 3, the helmet 300 includes a receiving cap 330 and a fixing sleeve 340, the fixing sleeve 340 is sleeved on the housing 110, the receiving cap 330 is disposed on the fixing sleeve 340, and the receiving cap 330 and the fixing sleeve 340 are respectively embedded in the mounting groove 410. It should be noted that the accommodating cap 330 is used for collecting electrolyte of the capacitor; the fixing sleeve 340 is used for fixing the protective cap in the mounting groove. The clamping groove 320 is located on the inner side wall of the fixing sleeve 340.

Referring to fig. 4, the mounting groove 410 is further provided with a limiting groove 420, and the fixing sleeve 340 is embedded in the limiting groove 420. So, can further spacing fixed cover 340, avoid the shock wave of electrolyte to flick the helmet, improve the guard action of helmet.

Referring to fig. 2, the capacitor assembly 100 includes a connection pin 130, one end of the connection pin is disposed on the capacitor body, and the other end of the connection pin is soldered on the circuit board. Furthermore, a welding hole is formed in the circuit board, and the connecting pin penetrates through the welding hole. So, through setting up connection pin and welding hole, then can connect the condenser by the electricity, realize switching on of condenser, improve the stability of circuit board work.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A capacitor having an explosion-proof structure, comprising:

2. The capacitor with the explosion-proof structure as claimed in claim 1, wherein the fastening assembly comprises three fastening blocks, and the three fastening blocks are arranged on the housing in a surrounding manner.

3. The capacitor with the explosion-proof structure as claimed in claim 2, wherein the inner sidewall of the accommodating cavity is provided with three clamping grooves, and each of the clamping blocks is embedded in one of the clamping grooves in a one-to-one correspondence manner.

4. The capacitor with the explosion-proof structure as claimed in claim 1, wherein at least one fastening hole is formed on the inner side wall of the accommodating cavity, and the fastening block is inserted into the fastening hole.

5. The capacitor with an explosion-proof structure as set forth in claim 1, wherein in one of said fastening blocks, said fastening block includes a fixed block and a plastic block, said fixed block is disposed on said housing, and said plastic block is disposed on said fixed block.

6. The capacitor with the explosion-proof structure as claimed in claim 1, wherein the capacitor is configured to be mounted on a circuit board, a mounting groove is formed on the circuit board, the protective cap and the capacitor assembly are respectively embedded in the mounting groove, and an outer sidewall of the protective cap and an outer sidewall of the housing are respectively abutted against an inner sidewall of the mounting groove.

7. The capacitor with explosion-proof structure as defined in claim 6, wherein said protecting cap includes a receiving cap and a fixing sleeve, said fixing sleeve is sleeved on said housing, said receiving cap is disposed on said fixing sleeve, and said receiving cap and said fixing sleeve are respectively embedded in said mounting groove.

8. The capacitor with an explosion-proof structure as claimed in claim 7, wherein a limiting groove is further formed on the mounting groove, and the fixing sleeve is embedded in the limiting groove.

9. The capacitor with the explosion-proof structure as claimed in claim 6, wherein the capacitor assembly comprises a connection pin, one end of the connection pin is disposed on the capacitor body, and the other end of the connection pin is soldered on the circuit board.

10. The capacitor with the explosion-proof structure as claimed in claim 9, wherein the circuit board has a soldering hole, and the connecting pin passes through the soldering hole.