CN217768803U

CN217768803U - Explosion-proof battery

Info

Publication number: CN217768803U
Application number: CN202221977050.1U
Authority: CN
Inventors: 程海龙; 张昌勇; 付良灿; 王德飞
Original assignee: Kensais Explosion Proof Technology Suzhou Co ltd
Current assignee: Kensais Explosion Proof Technology Suzhou Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-08
Anticipated expiration: 2032-07-29

Abstract

The utility model provides an explosion-proof battery, explosion-proof battery is including battery body, the cable conductor that has anodal post and negative pole post, between anodal post and the corresponding cable conductor, be connected through explosion-proof joint respectively between negative pole post and the corresponding cable conductor. The utility model provides a simple structure nevertheless uses more reliable explosion-proof battery, only with the electrical contact department between battery body and the cable conductor carry out local spark contact explosion-proof treatment, rather than with whole battery body flame proof encapsulation, the hydrogen that battery body in the use appeared can obtain timely dispersing, simple structure uses safelyr, and the volume is less and light, is convenient for draw and then charges convenient to use.

Description

Explosion-proof battery

Technical Field

The utility model relates to an explosion-proof battery.

Background

In many industries and units such as petroleum, chemical industry, pharmacy, pigment, paint, coal, national defense and the like, during the production, concentration, liquefaction and storage and transportation of combustible gas; or combustible gas or dust generated during the production, filling, release and storage of combustible liquid and the treatment and cleaning of objects by the liquid is mixed with air to form an explosive mixture, so that only explosion-proof electric equipment and electric transport vehicles can enter the areas.

Explosion-proof batteries are designed and produced specifically for use in equipment in locations where explosive gases or dust may be generated. The existing explosion-proof battery is generally characterized in that the whole battery is directly placed into an explosion-proof box to be subjected to explosion-proof treatment, but the battery is not safe to use, firstly, the battery can separate hydrogen in the using process, the hydrogen concentration in the explosion-proof box is gradually high along with the use, secondly, the explosion-proof battery is large in size and heavy and is not easy to take, and only vehicles and other equipment can be directly pushed to a specific charging point to be charged.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an explosion-proof battery.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides an explosion-proof battery, explosion-proof battery is including battery body, the cable conductor that has anodal post and negative pole post, between anodal post and the corresponding cable conductor, be connected through explosion-proof joint respectively between negative pole post and the corresponding cable conductor.

In some embodiments, the positive pole and the negative pole are respectively provided with an internal threaded hole, one end of each cable comprises a locking screw electrically connected with an internal conducting wire, a terminal sheet sleeved on the locking screw and also electrically connected with the conducting wire, and a conductive column sleeved on the locking screw and in surface contact with the terminal sheet, the locking screw is in threaded connection with the corresponding internal threaded hole, and the terminal sheet and the conductive column are locked between the locking screw and the positive pole or the negative pole.

In some embodiments, the explosion-proof joint comprises an explosion-proof housing fixed to the outer side of the positive pole or the negative pole by a lower sealing sleeve, the lower part of the explosion-proof housing is provided with a circle of inner steps, an insulating ring gasket is filled in the inner steps and is arranged on the outer sides of the conductive columns and the corresponding positive pole or negative pole, a circle of outer boss is arranged on the conductive columns, and the outer boss is buckled and pressed on the upper part of the inner steps through the insulating ring gasket.

In some embodiments, the explosion-proof joint further comprises an explosion-proof ring cover, a gasket and a sealing sleeve which sequentially penetrate through the corresponding cable, the sealing sleeve is tightly wrapped on the cable, and the explosion-proof ring cover is in threaded connection with the corresponding explosion-proof shell.

In some embodiments, a ring of sealing ring is arranged between the bottom of the explosion-proof shell and the battery body.

In some embodiments, one end of the sealing sleeve is provided with a circular truncated cone side surface formed by gradually protruding from the outer edge to the inner edge, the top of the explosion-proof shell is provided with a top inclined surface in sealing interference fit with the circular truncated cone side surface, and an increased safety cavity is formed between the explosion-proof shell and the sealing sleeve.

In some embodiments, the battery body has two sets, and the two sets of battery bodies are connected in series.

In some embodiments, the power supply lead output end of the explosion-proof battery is hermetically connected with a sparkless plug socket.

The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, and other technical solutions formed by arbitrary combinations of the above technical features or equivalent features should be covered. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model provides a simple structure nevertheless uses more reliable explosion-proof battery, only with the electrical contact department between battery body and the cable conductor carry out local spark contact explosion-proof treatment, rather than with whole battery body flame proof encapsulation, the hydrogen that battery body in the use appeared can obtain timely dispersing, simple structure uses safelyr, and the volume is less and light, is convenient for draw and then charges convenient to use.

Drawings

FIG. 1 is a schematic view of an explosion-proof battery;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

wherein: 1. a battery body; 11. a positive post; 12. an internally threaded hole; 2. an explosion-proof joint; 21. an explosion-proof housing; 22. an explosion-proof circle cover; 23. a gasket; 24. sealing sleeves; 25. 26, an insulating ring gasket; 3. a cable wire; 31a, a locking screw; 31b, terminal pieces; 31c, conductive pillars; 4. a sparkless plug and socket.

Detailed Description

In the first embodiment, as shown in fig. 1 and 2, an explosion-proof battery includes a battery body 1 having a positive electrode tab 11 and a negative electrode tab, and a power supply lead composed of a cable 3 as a positive electrode cable lead and a cable 3 as a negative electrode cable lead. The positive pole column 11 is connected with the positive cable lead through the explosion-proof joint 2, and the negative pole column is connected with the negative cable lead through the explosion-proof joint 2.

As shown in fig. 2, the positive post 11 is provided with an internal threaded hole 12. One end of the cable 3 includes a locking screw 31a electrically connected to the internal conductor, a terminal piece 31b fitted over the locking screw 31a and also electrically connected to the conductor, and a conductive post 31c fitted over the locking screw 31a and in surface contact with the terminal piece 31 b.

The locking screw 31a is screwed into the female screw hole 12 of the positive post 11, and the terminal piece 31b and the conductive post 31c are locked between the end of the locking screw 31a and the positive post 11.

In this embodiment, the explosion-proof joint 2 includes an explosion-proof housing 21, the lower portion of the explosion-proof housing has a circle of inner steps sleeved with a sealing sleeve and fixed on the outer side of the positive post 11, an insulating ring pad 25 is further filled in the inner steps, the insulating ring pad 25 is arranged at the outer side of the conductive column 31c and the positive post 11 in a spaced manner, and the explosion-proof joint does not directly contact with the guide part component, thereby playing an insulating role.

The upper part of the conductive column 31c is provided with a circle of external boss, and the external boss is buckled and pressed on the inner step of the explosion-proof housing 21 through an insulating ring gasket 25. Thereby pressing and fixing the explosion proof housing 21.

The explosion-proof joint 2 further comprises an explosion-proof ring cover 22, a gasket 23 and a sealing sleeve 24 which penetrate through the corresponding cable 3 in sequence, the sealing sleeve 24 is tightly wrapped on the cable 3, and the explosion-proof ring cover 22 is in threaded connection with the corresponding explosion-proof shell 21. The threaded connection is convenient to detach, and the cable 3 and the like can be replaced conveniently in the subsequent use process.

One end of the sealing sleeve 24 is provided with a circular truncated cone side surface formed by gradually protruding from the outer edge to the inner edge, the top of the explosion-proof shell 21 is provided with a top inclined surface which is in sealing interference fit with the circular truncated cone side surface, and an increased safety cavity is formed between the explosion-proof shell 21 and the sealing sleeve 24. The electric contact point between the cable 3 as the positive cable lead and the positive pole 11 is positioned in the increased safety cavity, and the local spark contact explosion-proof treatment is carried out.

A circle of sealing ring 26 is arranged between the bottom of the explosion-proof shell and the battery body 1.

In this embodiment, there is only one set of explosion-proof battery, the cable 3 directly led out from the positive post 11 is used as a positive cable lead, the cable 3 led out from the negative post is used as a negative cable lead, and the output end of the power lead formed by the positive cable lead and the negative cable lead is hermetically connected with the sparkless plug and socket 4, so as to be conveniently connected with the electric equipment. The sparkless type plug and socket 4 is purchased and has no design point.

In the second embodiment, not shown, the difference between the second embodiment and the first embodiment is that the battery bodies have two sets, and the two sets of battery bodies are connected in series. The cable lead led out from the positive pole of the first group of explosion-proof batteries is used as a positive cable lead, the negative pole of the first group of explosion-proof batteries is connected with the positive pole of the second group of explosion-proof batteries through the cable and the explosion-proof joint, the cable lead led out from the negative pole of the second group of explosion-proof batteries through the explosion-proof joint is used as a negative cable lead, the positive cable lead of the first group of explosion-proof batteries and the negative cable lead of the second group of explosion-proof batteries form a power supply lead, and the output end of the power supply lead is hermetically connected with a sparkless plug socket.

The two explosion-proof batteries are connected in series to replace a conventional battery, so that the explosion-proof battery charging system is suitable for occasions with limited space of explosion-proof products, a single group of large-volume explosion-proof batteries cannot be placed in the explosion-proof battery charging system, and two groups of small-volume batteries are used for replacing the single group of large-volume explosion-proof batteries and are placed in the left and right sides of the explosion-proof batteries, so that the effects of balanced left and right gravity center of the whole body, convenience in charging and taking and compact space layout are achieved.

It should be understood that the above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and the protection scope of the present invention cannot be limited thereby. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof battery, explosion-proof battery is including battery body (1), cable conductor (3) that have positive post (11) and negative pole post, its characterized in that: the positive pole column (11) and the corresponding cable (3) are connected through the explosion-proof joint (2), and the negative pole column and the corresponding cable (3) are connected through the explosion-proof joint.

2. The explosion-proof battery of claim 1, wherein: anodal post (11) with it has internal thread hole (12) to open respectively on the negative pole post, every cable conductor (3) one end include with the internal conductor electricity be connected locking screw (31 a), cover locking screw (31 a) go up and also with terminal piece (31 b), the cover that the wire is connected are in locking screw (31 a) go up with terminal piece (31 b) face contact lead electrical pillar (31 c), locking screw (31 a) threaded connection is in corresponding internal thread hole (12), terminal piece (31 b) lead electrical pillar (31 c) locking and be in locking screw (31 a) with anodal post (11) or between the negative pole post.

3. The explosion-proof battery of claim 2, wherein: explosion-proof joint (2) are established including the sealed cover in lower part and are fixed positive post (11) or explosion-proof housing (21) in the negative pole post outside, explosion-proof housing lower part has round interior step, still be filled with an insulating ring pad (25) in the interior step, insulating ring pad (25) separate establish lead electrical pillar (31 c) and corresponding positive post (11) or the negative pole post outside, it has round outer boss to lead electrical pillar (31 c) on, outer boss passes through insulating ring pad (25) withhold the upper portion of interior step.

4. The explosion-proof battery of claim 3, wherein: explosion-proof joint (2) still including penetrating correspondingly in proper order explosion-proof circle lid (22), packing ring (23), seal cover (24) on cable conductor (3), seal cover (24) package tightly overlaps and is located on cable conductor (3), explosion-proof circle lid (22) and corresponding threaded connection between explosion-proof housing (21).

5. The explosion-proof battery of claim 4, wherein: and a circle of sealing ring (26) is arranged between the bottom of the explosion-proof shell and the battery body (1).

6. The explosion-proof battery of claim 4, wherein: one end of the sealing sleeve (24) is provided with a circular truncated cone side face formed by gradually protruding from the periphery of the outer edge to the periphery of the inner edge, the top of the explosion-proof shell (21) is provided with a top inclined face in sealing and abutting fit with the circular truncated cone side face, and an increased safety cavity is formed between the explosion-proof shell (21) and the sealing sleeve (24).

7. The explosion-proof battery of claim 1, wherein: the battery bodies (1) are provided with two groups, and the two groups of battery bodies (1) are connected in series.

8. The explosion-proof battery of claim 1, wherein: and the output end of the power lead of the explosion-proof battery is hermetically connected with a sparkless plug socket (4).