CN210110544U - Explosion-proof protective cap mounted on capacitor - Google Patents

Explosion-proof protective cap mounted on capacitor Download PDF

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Publication number
CN210110544U
CN210110544U CN201920904499.7U CN201920904499U CN210110544U CN 210110544 U CN210110544 U CN 210110544U CN 201920904499 U CN201920904499 U CN 201920904499U CN 210110544 U CN210110544 U CN 210110544U
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CN
China
Prior art keywords
explosion
proof
capacitor
protective
cap
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Expired - Fee Related
Application number
CN201920904499.7U
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Chinese (zh)
Inventor
鲁禹
刘圣东
林儿
陈东华
符国纲
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Huizhou Sanhua Industrial Co ltd
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Huizhou Sanhua Industrial Co ltd
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Priority to CN201920904499.7U priority Critical patent/CN210110544U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses an explosion-proof protective cap arranged on a capacitor, which comprises a capacitor and a protective sleeve, wherein the protective sleeve is sleeved on the capacitor; the capacitor comprises a protective shell and a capacitor body, wherein the protective shell is sleeved on the capacitor body, and the protective shell is provided with an annular groove; the protective sheath spare includes explosion-proof block and a plurality of joint spare, explosion-proof block cover is arranged in on the protective housing, each the one end of joint spare set up respectively in on the explosion-proof block, and each the joint spare is kept away from the one end joint of explosion-proof block in the annular groove. The utility model relates to an install explosion-proof protective cap on condenser through setting up condenser and protection casing, and convenient the installation need not redesign condenser and circuit board again on the protective housing of condenser, has simplified the mode of installation moreover, makes things convenient for the condenser to assemble, can also avoid the circuit board to be further destroyed when the condenser explodes simultaneously.

Description

Explosion-proof protective cap mounted on capacitor
Technical Field
The utility model relates to a structure safety field of condenser especially relates to an explosion-proof protective cap of installing on condenser.
Background
The electrolytic capacitor has an electrolyte material for storing charges therein, which has positive and negative polarities, and is similar to a battery and is not connectable to the other. The positive electrode is a metal substrate adhered with an oxide film, and the negative electrode is connected with an electrolyte (solid and non-solid) through a metal polar plate. The non-polar (bipolar) electrolytic capacitor adopts a double-oxide-film structure, is similar to two polar electrolytic capacitors, and is formed by connecting two cathodes, wherein two electrodes are respectively two metal electrode plates (both are adhered with oxide films) which are connected, and an electrolyte is arranged between the two groups of oxide films. The polar electrolytic capacitor generally plays roles of power supply filtering, decoupling, signal coupling and time constant setting, DC blocking and the like in a power supply circuit or an intermediate frequency and low frequency circuit. Nonpolar electrolytic capacitors are commonly used in audio divider circuits, television S correction circuits, and starter circuits for single-phase motors.
However, the conventional capacitor is provided with an explosion-proof protective cap, and the conventional explosion-proof protective cap, which is a cylindrical structure, must be sleeved on the protective housing of the capacitor in order to mount the explosion-proof protective cap on the capacitor. The existing installation mode is that the explosion-proof protection cover cap is sleeved on the protective shell of the capacitor, and the fastening piece fixed with the explosion-proof protection cover cap is further arranged and used for fixing the explosion-proof protection cover cap, but the fastening piece needs an external circuit board to be fixed, so that the volume of the capacitor is increased, the design of the circuit board structure is increased, and the complexity of capacitor assembly is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing an explosion-proof protective cap of installing on the condenser, the convenient installation need not redesign condenser and circuit board in addition on the protective housing of condenser, has simplified the mode of installation again, makes things convenient for the condenser to assemble, can also avoid the circuit board to be further destroyed when the condenser explodes simultaneously.
The purpose of the utility model is realized through the following technical scheme:
an explosion-proof protective cap mounted on a capacitor, comprising: the protective sleeve is sleeved on the capacitor;
the capacitor comprises a protective shell and a capacitor body, wherein the protective shell is sleeved on the capacitor body, and an annular groove is formed in the protective shell;
the protective sheath spare includes explosion-proof block and a plurality of joint spare, explosion-proof block cover is arranged in on the protective housing, each the one end of joint spare set up respectively in on the explosion-proof block, and each the joint spare is kept away from the one end joint of explosion-proof block in the annular groove.
In one embodiment, the explosion-proof cap is provided with a fixed cavity, and the protective shell is accommodated in the fixed cavity.
In one embodiment, the outer side wall of the protective shell is attached to the inner side wall of the fixed cavity.
In one embodiment, at least one explosion-proof hole is formed in the outer side wall of the explosion-proof cap, and the explosion-proof hole is communicated with the fixed cavity.
In one embodiment, in one of the clamping members, the clamping member includes a limiting rod and a clamping projection, one end of the limiting rod is disposed on the explosion-proof cap, the clamping projection is disposed at one end of the limiting rod away from the explosion-proof cap, and the clamping projection is embedded in the annular groove.
In one embodiment, the outer side wall of the limiting rod is attached to the outer side wall of the protective shell.
In one embodiment, a plurality of limiting bayonets are formed in the annular groove, and each clamping convex block is correspondingly embedded in the limiting bayonets one by one.
In one embodiment, the protective sleeve comprises five clamping pieces, and the five clamping pieces are respectively arranged on the explosion-proof cover cap.
In one embodiment, five clamping pieces are respectively and annularly arranged on the explosion-proof cover cap, and the distance between every two adjacent clamping pieces is equal.
In one embodiment, one end of the explosion-proof cap, which is far away from the clamping piece, is provided with an explosion-proof surface.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to an install explosion-proof protective cap on condenser through setting up condenser and protection casing, and convenient the installation need not redesign condenser and circuit board again on the protective housing of condenser, has simplified the mode of installation moreover, makes things convenient for the condenser to assemble, can also avoid the circuit board to be further destroyed when the condenser explodes simultaneously.
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 view of an explosion-proof protection cap mounted on a capacitor according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an explosion-proof cap of the explosion-proof protective cap mounted on the capacitor shown in FIG. 1;
fig. 3 is a schematic structural view of the capacitor of the explosion-proof protection cap mounted on the capacitor 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, an explosion-proof protection cap mounted on a capacitor includes: the capacitor comprises a capacitor 100 and a protective sleeve 200, wherein the protective sleeve 200 is sleeved on the capacitor 100. Note that, the capacitor 100 is used to realize a function of capacitance; the protective sheathing member 200 serves to protect the capacitor from damage and also serves to collect electrolyte of the capacitor when the capacitor is exploded.
Referring to fig. 1, the capacitor 100 includes a protective casing 110 and a capacitor body 120, the protective casing 110 is disposed on the capacitor body 120, and an annular groove 111 is formed on the protective casing 110. It should be noted that the protective housing 110 is used for protecting the capacitor; the capacitor body 120 is used for realizing the function of capacitance; the annular groove 111 is used for clamping a protective sleeve.
Referring to fig. 1, the protective sheath 200 includes an explosion-proof cap 210 and a plurality of clamping members 220, the explosion-proof cap 210 is sleeved on the protective housing 110, one end of each clamping member 220 is respectively disposed on the explosion-proof cap 210, and one end of each clamping member 220, which is far away from the explosion-proof cap 210, is clamped in the annular groove 111. It should be noted that the explosion-proof cap 210 is used for being sleeved on the protective housing; the clamping piece 220 is used for clamping the explosion-proof cap on the annular groove 111, so that the explosion-proof cap can be prevented from being separated from the protective shell.
It should also be noted that the capacitor can be conveniently mounted on the protective housing of the capacitor through the annular grooves on the clamping piece and the protective housing, and the capacitor and the circuit board do not need to be redesigned, so that the mounting mode is simplified, and the capacitor can be conveniently assembled. Simultaneously when the condenser explodes, the shock wave of the inside electrolyte of condenser can be erupted, strikes explosion-proof block, and because explosion-proof block's effect, can accept the electrolyte to under the effect of joint spare, avoid explosion-proof block to be strikeed away, break away from whole protective housing, and then can avoid the circuit board to be further destroyed when the condenser explodes.
Referring to fig. 2, a fixing cavity 211 is formed on the anti-explosion cap 210, and the protective housing 110 is accommodated in the fixing cavity 211. Thus, by providing the fixing cavity 211, the protective housing of the capacitor can be fixed. Further, the outer sidewall of the protective shell 110 is attached to the inner sidewall of the fixed cavity 211. So, through the laminating of the lateral wall that sets up protective housing 110 and fixed cavity 211, and fixed cavity 211's inside wall is provided with a plurality of semi-circular archs, each semi-circular protruding butt on protective housing's lateral wall to can increase the frictional force to protective housing, when exploding, then can further avoid explosion-proof cap to break away from the condenser, improve the security of circuit board.
Referring to fig. 2, at least one explosion-proof hole 212 is formed on an outer side wall of the explosion-proof cap 210, and the explosion-proof hole is communicated with the fixed cavity. It should be noted that the explosion-proof hole is used for releasing pressure, when the capacitor explodes, electrolyte inside the capacitor rushes out of the protective shell and is contained in the explosion-proof cap, but because the rushed electrolyte can increase the internal pressure of the fixed cavity, in order to balance the internal and external pressures of the fixed cavity, the explosion-proof hole is arranged, so that the effect of balancing the internal and external pressures of the fixed cavity can be achieved.
Referring to fig. 2, in one of the clamping members 220, the clamping member 220 includes a limiting rod 221 and a clamping protrusion 222, one end of the limiting rod 221 is disposed on the explosion-proof cap 210, the clamping protrusion 222 is disposed on one end of the limiting rod 221 away from the explosion-proof cap 210, and the clamping protrusion 222 is embedded in the annular groove 111. It should be noted that the limiting rod 221 is used for fixing the clamping protrusion and limiting the protective housing; the clamping convex block 222 is used for being clamped in the annular groove 111 to play a fixing role.
Specifically, the outer sidewall of the limiting rod 221 is attached to the outer sidewall of the protective housing 111. Therefore, when the capacitor explodes, the friction between the protective sleeve and the protective shell can be further increased.
In this embodiment, referring to fig. 3, a plurality of limiting bayonets 112 are formed in the annular groove 111, and each of the clamping protrusions 222 is correspondingly embedded in the limiting bayonets 112. It should be noted that the limiting bayonet 112 is used for limiting the clamping projection, so as to improve the clamping effect of the clamping piece on the protective housing.
It should be noted that the protective sleeve comprises five clamping pieces, and the five clamping pieces are respectively arranged on the explosion-proof cover cap. Specifically, five clamping pieces are respectively and annularly arranged on the explosion-proof cover cap, and the distance between every two adjacent clamping pieces is equal. So, through the joint spare that sets up five equidistance, can further improve limiting displacement, increase the stability of structure.
Furthermore, still be provided with a plurality of fixed orificess on the explosion-proof cover cap, each the gag lever post one-to-one wears to establish respectively one the fixed orifices, and be provided with the internal thread in the fixed orifices, the gag lever post is kept away from the bellied one end of joint is provided with the external screw thread, the internal thread with the external screw thread spiro union. So, have the internal screw thread fixed orifices through the setting, can improve the fixed to the gag lever post to can also conveniently improve the installation effectiveness to the installation of each gag lever post.
It should be noted that an end of the explosion-proof cap 210 away from the clamping member 220 has an explosion-proof surface. The explosion-proof face is provided with a groove, and the groove is of a herringbone structure. So, through being provided with the recess on the explosion-proof face, can reduce the structural strength of explosion-proof block, when the condenser explodes, the electrolyte strikes to explosion-proof block on, when the unable whole shock wave of holding of fixed cavity in the explosion-proof block brought the pressure, then can burst through setting up the recess on the explosion-proof face to avoid explosion assembly further to appear the condition of explosion. Of course, the fixed cavity in the explosion-proof cap is designed to satisfy all the electrolyte sprayed out from the whole capacitor, which does not happen in the normally exploded capacitor. Therefore, the protection of one more layer can be increased, and the protection effect is improved.
The utility model discloses compare in prior art's advantage and beneficial effect as follows:
the utility model relates to an install explosion-proof protective cap on condenser through setting up condenser and protection casing, and convenient the installation need not redesign condenser and circuit board again on the protective housing of condenser, has simplified the mode of installation moreover, makes things convenient for the condenser to assemble, can also avoid the circuit board to be further destroyed when the condenser explodes simultaneously.
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 (10)

1. An explosion-proof protective cap mounted on a capacitor, comprising: the protective sleeve is sleeved on the capacitor;
the capacitor comprises a protective shell and a capacitor body, wherein the protective shell is sleeved on the capacitor body, and an annular groove is formed in the protective shell;
the protective sheath spare includes explosion-proof block and a plurality of joint spare, explosion-proof block cover is arranged in on the protective housing, each the one end of joint spare set up respectively in on the explosion-proof block, and each the joint spare is kept away from the one end joint of explosion-proof block in the annular groove.
2. The explosion-proof protective cap mounted on a capacitor of claim 1 wherein said explosion-proof cap defines a fixed cavity, said protective housing being received within said fixed cavity.
3. The capacitor-mounted explosion-proof protective cap as set forth in claim 2, wherein an outer sidewall of the protective case is fitted to an inner sidewall of the fixed cavity.
4. The explosion-proof protective cap mounted on capacitor as claimed in claim 2, wherein at least one explosion-proof hole is opened on the outer sidewall of the explosion-proof cap, and the explosion-proof hole is communicated with the fixed cavity.
5. The explosion-proof protective cap installed on the capacitor as claimed in claim 1, wherein in one of the clamping members, the clamping member includes a limiting rod and a clamping protrusion, one end of the limiting rod is disposed on the explosion-proof cap, the clamping protrusion is disposed on one end of the limiting rod away from the explosion-proof cap, and the clamping protrusion is embedded in the annular groove.
6. The explosion-proof protective cap mounted on capacitor as set forth in claim 5, wherein an outer sidewall of said stopper rod is fitted on an outer sidewall of said protective case.
7. The explosion-proof protective cap mounted on capacitor of claim 5 wherein said annular groove has a plurality of limiting notches formed therein, and each of said engaging projections is embedded in said limiting notches in a one-to-one correspondence.
8. The explosion-proof protective cap mounted on a capacitor as claimed in claim 1, wherein said protective cap includes five engaging members, and said five engaging members are respectively provided on said explosion-proof cap.
9. The explosion-proof protective cap mounted on a capacitor as claimed in claim 8, wherein five said snap-in members are respectively annularly disposed on said explosion-proof protective cap, and the distance between every two adjacent snap-in members is equal.
10. The explosion proof protective cap mounted on a capacitor as set forth in claim 1, wherein an end of said explosion proof cap remote from said snap-in member has an explosion proof face.
CN201920904499.7U 2019-06-14 2019-06-14 Explosion-proof protective cap mounted on capacitor Expired - Fee Related CN210110544U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920904499.7U CN210110544U (en) 2019-06-14 2019-06-14 Explosion-proof protective cap mounted on capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920904499.7U CN210110544U (en) 2019-06-14 2019-06-14 Explosion-proof protective cap mounted on capacitor

Publications (1)

Publication Number Publication Date
CN210110544U true CN210110544U (en) 2020-02-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114334463A (en) * 2021-12-10 2022-04-12 江苏荣生电子有限公司 Electrode foil and capacitor using same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114334463A (en) * 2021-12-10 2022-04-12 江苏荣生电子有限公司 Electrode foil and capacitor using same
CN114334463B (en) * 2021-12-10 2022-09-13 江苏荣生电子有限公司 Capacitor with improved structure

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Granted publication date: 20200221