阅读说明：本技术 一种超级电容器防爆装置 (Explosion-proof device of super capacitor ) 是由 于涛 于 2018-09-06 设计创作，主要内容包括：本发明公开了一种超级电容器防爆装置,包括壳体,所述壳体左右两端均设置有电极柱且壳体内部装有电解液,所述壳体上下侧壁中间位置均设置有扩展腔体且扩展腔体与壳体相连通,所述扩展腔体内均竖直设置有引导管且引导管的一端固定交接在扩展腔体的水平侧壁上,另一端正对着壳体的中心位置,同时引导管的两端均为开口。本发明壳体内部产生超载的热量和压力时,压力先使冲入扩展腔体内,使得交接的引导管上的卡口处的压力膜向引导管内部空间膨胀,从而挤开卡块,则卡块脱离卡口的时候,活动杆末端的拉伸状态的弹簧通过回弹力,使得活动杆和绝缘块沿着引导管向壳体内部滑动,使得引导管与壳体交接的端口打开泄压。(The invention discloses an explosion-proof device of a super capacitor, which comprises a shell, wherein electrode columns are arranged at the left end and the right end of the shell, electrolyte is filled in the shell, an expansion cavity is arranged at the middle position of the upper side wall and the lower side wall of the shell, the expansion cavity is communicated with the shell, guide tubes are vertically arranged in the expansion cavity, one ends of the guide tubes are fixedly connected to the horizontal side wall of the expansion cavity, the other ends of the guide tubes face the central position of the shell, and meanwhile, the two ends of each guide tube are provided with openings. When overload heat and pressure are generated in the shell, the pressure firstly enables the pressure to rush into the expansion cavity, so that a pressure film at a bayonet on the jointed guide tube expands towards the inner space of the guide tube, and a clamping block is squeezed open, when the clamping block is separated from the bayonet, the spring in a stretching state at the tail end of the movable rod enables the movable rod and the insulating block to slide towards the interior of the shell along the guide tube through resilience force, and a port where the guide tube is jointed with the shell is opened for pressure relief.)

1. The utility model provides a supercapacitor explosion-proof device, includes casing (1), its characterized in that: the electrode column (2) is arranged at the left end and the right end of the shell (1), electrolyte is filled in the shell (1), an expansion cavity (3) is arranged at the middle position of the upper side wall and the lower side wall of the shell (1), the expansion cavity (3) is communicated with the shell (1), a guide pipe (5) is vertically arranged in the expansion cavity (3), one end of the guide pipe (5) is fixedly connected to the horizontal side wall of the expansion cavity (3), the other end of the guide pipe faces the central position of the shell (1), openings are formed in the two ends of the guide pipe (5), an insulating block (6) is vertically arranged in the guide pipe (5), an abutting block (10) is arranged at the end close to the inner space of the shell (1) of the insulating block (6), and rotating rods (11) are movably connected to the left side and the right side of the end close to the outer side of the shell (1) of the insulating block, the end head rigid coupling of bull stick (11) has fixture block (12), bayonet socket (15) and fixture block (12) card are all seted up in bayonet socket (15) in the left and right sides that is close to extension cavity (3) horizontal side wall port department in guide tube (5), the laminating rigid coupling of port border department of bayonet socket (12) has pressure membrane (13) and pressure membrane (13) to be the rubber membrane, the port department of guide tube (5) and the horizontal side wall handing-over of extension cavity (3) transversely sets up in connecting strip (16), vertically on connecting strip (16) be provided with movable rod (17) and vertically pass connecting strip (16) rigid coupling insulating block (6), the end cover of movable rod (17) has the one end rigid coupling connecting strip (16) of spring (18) and spring (18), the lateral wall of movable rod (17) is fixed to the other end.

2. The supercapacitor explosion prevention device according to claim 1, wherein: be provided with recess (8) on butt joint piece (10) and here recess (8) set up on butt joint piece (10) that is in casing (1) inner space upside, be provided with lug (7) and lug (7) on butt joint piece (10) and set up on butt joint piece (10) that is in casing (1) inner space downside, lug (7) cooperate with recess (8) size simultaneously.

3. The supercapacitor explosion prevention device according to claim 1, wherein: and the butt joint block (10) is fixedly connected with a sealing ring (9) in a joint way on the end face which is just opposite to the port of the guide pipe (5).

4. The supercapacitor explosion prevention device according to claim 1, wherein: a gap is formed between the insulating block (6) and the inner wall of the guide pipe (5).

5. The supercapacitor explosion prevention device according to claim 1, wherein: the clamping block (12) is provided with a pulley (14), and the pulley (14) is abutted against the inner wall of the bayonet (15).

6. The supercapacitor explosion prevention device according to claim 1, wherein: the left side wall and the right side wall of the expansion cavity (3) are both connected with sealing covers (4) through screws.

Technical Field

The invention relates to the technical field of explosion prevention of supercapacitors, in particular to an explosion prevention device of a supercapacitor.

Background

Electrolyte has been added among the ultracapacitor system, and electrolyte and electrode post reflect the in-process and can produce heat and pressure, and when internal pressure reached capacitor case and bore the limit, the condenser will explode, has brought very big hidden danger for whole circuit work, so needs explosion-proof equipment:

the explosion-proof device of the general super capacitor has the following defects: the explosion-proof recess that relies on milling cutter to mill at capacitor case of general ultracapacitor system for the local attenuation of casing, when casing internal pressure grow, then the local of attenuation just can burst, and electrolyte leaks, avoids the explosion, but electrolyte will reveal like this, causes the external circuit short circuit, and the condenser has also directly damaged simultaneously, can't use.

Disclosure of Invention

The invention aims to provide an explosion-proof device for a super capacitor, which aims to solve the problem that the whole circuit is influenced by electrolyte leakage caused by the fact that a groove is milled on a capacitor shell by a milling cutter in the prior art for explosion-proof of a common super capacitor.

In order to achieve the purpose, the invention provides the following technical scheme: an explosion-proof device of a super capacitor comprises a shell, wherein electrode columns are arranged at the left end and the right end of the shell, electrolyte is filled in the shell, an expansion cavity is arranged at the middle position of each of the upper side wall and the lower side wall of the shell, the expansion cavity is communicated with the shell, a guide pipe is vertically arranged in each expansion cavity, one end of each guide pipe is fixedly connected to the horizontal side wall of each expansion cavity in an intersecting manner, the other end of each guide pipe faces the central position of the shell, the two ends of each guide pipe are open, an insulating block is vertically arranged in each guide pipe, and a butt-joint block is arranged at the position; the insulating block all has the bull stick through resilience hinge swing joint in the end department left and right sides that is close to the casing outside, the end rigid coupling of bull stick has the fixture block, the left and right sides that the guiding tube is being close to extension cavity horizontal side wall port department has all been seted up bayonet socket and fixture block card in the bayonet socket, the laminating rigid coupling of port border department of bayonet socket has pressure membrane and pressure membrane to be the rubber membrane, the guiding tube transversely sets up in the connecting strip with the port department of the horizontal lateral wall handing-over of extension cavity, the vertical movable rod that is provided with on the connecting strip and the vertical connecting strip rigid coupling that passes of movable rod, the end cover of movable rod has the one end rigid coupling connecting strip of spring and spring, and the lateral wall of movable rod is being fixed at the.

Preferably, be provided with the recess on the butt joint piece and this place recess sets up on being in the butt joint piece of casing inner space upside, be provided with lug and lug setting on the butt joint piece and be in being in casing inner space downside on the butt joint piece, the lug cooperatees with the recess size simultaneously.

Preferably, the butt joint block is fixedly connected with a sealing ring in a fitting manner on the end face which is opposite to the port of the guide pipe.

Preferably, a gap exists between the insulating block and the inner wall of the guide tube.

Preferably, the clamping block is provided with a pulley, and the pulley abuts against the inner wall of the bayonet.

Preferably, the left side wall and the right side wall of the expansion cavity are both connected with sealing covers through screws.

Compared with the prior art, the invention has the beneficial effects that:

1. when overload heat and pressure are generated inside the shell, the pressure firstly enables the pressure to rush into the expansion cavity, so that a pressure film at a bayonet on the jointed guide tube expands towards the inner space of the guide tube, and a clamping block is squeezed open;

2. the insulation block is butted together through the convex block and the groove on the butting block, so that the internal space of the shell is separated, electrolyte in the shell is isolated, the capacitor is powered off, the damaged pressure membrane is replaced by opening the sealing cover on the expansion cavity, and the electrolyte is injected into the shell through the gap between the insulation block and the guide pipe.

Drawings

FIG. 1 is a schematic view of the overall structure of an explosion-proof device for a super capacitor according to the present invention;

FIG. 2 is a top view structural diagram of an explosion-proof device of a super capacitor according to the present invention;

fig. 3 is a structural diagram of the connection between the fixture block and the bayonet in the explosion-proof device for the super capacitor according to the invention.

In the figure: 1-a shell; 2-electrode column; 3-expanding the cavity; 4-sealing cover; 5-guiding the tube; 6-an insulating block; 7-a bump; 8-a groove; 9-sealing ring; 10-butt-joint block; 11-a rotating rod; 12-a fixture block; 13-a pressure membrane; 14-a pulley; 15-bayonet; 16-a connecting strip; 17-a movable rod; 18-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an explosion-proof device of a super capacitor comprises a shell 1, wherein electrode columns 2 are arranged at the left end and the right end of the shell 1, electrolyte is filled in the shell 1, an expansion cavity 3 is arranged at the middle position of each of the upper side wall and the lower side wall of the shell 1, the expansion cavity 3 is communicated with the shell 1, a guide pipe 5 is vertically arranged in each expansion cavity 3, one end of each guide pipe 5 is fixedly connected to the horizontal side wall of the expansion cavity 3 in an intersecting manner, the other end of each guide pipe 5 faces the central position of the shell 1, an insulating block 6 is vertically arranged in each guide pipe 5, and an abutting block 10 is arranged at the end close to the inner space of the shell 1 of each insulating block 6; the insulating block 6 all has bull stick 11 through the hinge swing joint that kick-backs in the end department left and right sides that is close to the 1 outside of casing, the end head rigid coupling of bull stick 11 has fixture block 12, bayonet 15 and fixture block 12 card are all seted up in bayonet 15 in the left and right sides that the horizontal lateral wall port department of extension cavity 3 is being close to guide tube 5, the laminating rigid coupling of port border department of bayonet 15 has pressure membrane 13 and pressure membrane 13 to be the rubber membrane, the port department of guide tube 5 and the horizontal lateral wall handing-over of extension cavity 3 transversely sets up in connecting strip 16, the vertical connecting strip 16 rigid coupling that is passed to connecting strip 17 and movable rod 17 that is provided with on connecting strip 16, the end cover of movable rod 17 has spring 18 and the one end rigid coupling of spring 18 to connecting strip 16, and the lateral wall of movable rod 17 is fixed to the other end.

The butt joint block 10 is provided with a groove 8, the groove 8 is arranged on the butt joint block 10 positioned on the upper side of the inner space of the shell 1, the butt joint block 10 is provided with a lug 7, the lug 7 is arranged on the butt joint block 10 positioned on the lower side of the inner space of the shell 1, the lug 7 is matched with the groove 8 in size, when the insulation block 6 at the upper position and the lower position slides towards the middle of the inner part of the shell 1, the butt joint block 10 is in butt joint with the groove 8 through the lug 7, electrolyte in the shell 1 is isolated, and the capacitor is powered off; the butt joint block 10 is fixedly attached with a sealing ring 9 on the end face which is opposite to the port of the guide pipe 5, when the insulating block 6 is accommodated in the guide pipe 5, the sealing ring 9 is attached to the port of the guide pipe 5, and the joint of the guide pipe 5 and the inner space of the shell 1 is sealed; a gap is formed between the insulating block 6 and the inner wall of the guide pipe 5, so that the insulating block 6 can conveniently slide towards the inside of the shell 1 and then electrolyte can be injected through the gap; the clamping block 12 is provided with a pulley 14, the pulley 14 is abutted against the inner wall of the bayonet 15, and the pulley 14 is convenient for the clamping block 12 to slide when being subjected to the action of external force at the bayonet 15; all there is sealed lid 4 through screwed connection on the lateral wall about extension cavity 3, and sealed lid 4 is convenient for open extension cavity 3, changes damaged pressure membrane 13.

The working principle is as follows: when the inside of the shell 1 of the invention generates overload heat and pressure, the pressure firstly rushes into the expansion cavity 3, the pressure membrane 13 at the bayonet 15 on the connecting guide tube 5 is expanded to the inner space of the guide tube 5, thereby, when the block 12 is pushed open and the block 12 is separated from the bayonet 15, the spring 18 in the stretching state at the tail end of the movable rod 17 passes through the resilience force, so that the movable rod 17 and the insulating block 6 slide towards the interior of the shell 1 along the guide pipe 5, the port where the guide pipe 5 is connected with the shell 1 is opened for pressure relief, meanwhile, the insulation block 6 is butted together through the lug 7 and the groove 8 on the butting block 10 to separate the inner space of the shell 1, so that the electrolyte in the shell 1 is isolated, the capacitor is powered off, and the broken pressure membrane 13 is replaced by opening the sealing cover 4 on the expansion chamber 3, and the electrolyte is injected into the case 1 through the gap between the insulating block 6 and the guide pipe 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.