CN215184239U

CN215184239U - Safe and reliable's lithium cell silica gel explosion-proof construction

Info

Publication number: CN215184239U
Application number: CN202121375456.8U
Authority: CN
Inventors: 赵顺朋; 许松海
Original assignee: Chongqing Sizhigu New Material Technology Co ltd
Current assignee: Chongqing Sizhigu New Material Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-14
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to a safe and reliable's lithium cell silica gel explosion-proof construction, including main part protective structure, battery connection structure and silica gel buffer layer, main part protective structure and battery connection structure all are located the outside of silica gel buffer layer, main part protective structure includes hot exchange pipe, hot exchange pipe's outside swing joint has an electric core No. one, hot exchange pipe's outside swing joint has No. two electric cores, battery connection structure is including being located the negative pole connector on an electric core right side, the top fixedly connected with negative pole connecting wire of negative pole connector, the outer splicing of one end fixedly connected with negative pole of negative pole connector is kept away from to the negative pole connecting wire. This safe and reliable's lithium cell silica gel explosion-proof construction, metal protection box have the protection to keep apart internal structure, prevent to receive external environment to disturb the damage that causes electric core, and outside protection filling layer is fixed connecting wire and installation head, improves holistic shock resistance.

Description

Safe and reliable's lithium cell silica gel explosion-proof construction

Technical Field

The utility model relates to a battery protection technical field specifically is a safe and reliable's lithium cell silica gel explosion-proof construction.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries, the lithium ion batteries do not contain metallic lithium and can be charged, the fifth generation products of rechargeable batteries, namely the lithium metal batteries, are produced in 1996, and the safety, the specific capacity, the self-discharge rate and the cost performance of the rechargeable batteries are all superior to those of the lithium ion batteries.

The lithium cell is an electric energy storage device commonly used, and our daily power consumption demand problem of decision that it can be fine improves life condition, but current lithium cell security is comparatively anxious, can not carry out effectual protection to inside electric core, uses for a long time and leads to the battery to generate heat easily, if the battery generates heat seriously then can spontaneous combustion explosion easily, harm user's healthy, reduced the availability factor of lithium cell.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safe and reliable's lithium cell silica gel explosion-proof construction, possess advantages such as protection ability and antiknock performance are good, solved and used for a long time and lead to the battery to generate heat easily, if the battery generates heat then can easy spontaneous combustion explosion's problem seriously.

In order to achieve the above object, the utility model provides a following technical scheme: a safe and reliable lithium battery silica gel explosion-proof structure comprises a main body protection structure, a battery connection structure and a silica gel buffer layer, wherein the main body protection structure and the battery connection structure are both positioned on the outer side of the silica gel buffer layer;

the main body protection structure comprises a heat exchange tube, the outer side of the heat exchange tube is movably connected with a first battery cell, and the outer side of the heat exchange tube is movably connected with a second battery cell;

the battery connection structure comprises a negative electrode connector located on the right side of the first battery core, the top of the negative electrode connector is fixedly connected with a negative electrode connecting wire, and one end of the negative electrode connecting wire, far away from the negative electrode connector, is fixedly connected with a negative electrode outer connecting piece.

Further, the outside fixedly connected with metal protection case of silica gel buffer layer, the outside fixedly connected with outside protection filling layer of metal protection case.

Further, the right side fixedly connected with control valve of hot exchange pipe, the front of outside protection filling layer articulates there is the installation door.

Furthermore, the left side of No. two electricity cores fixedly connected with positive pole connects, the top fixedly connected with anodal connecting wire of positive pole connects.

Furthermore, one end of the positive connecting lead, which is far away from the positive connector, is fixedly connected with a positive external connector.

Further, the outer sides of the negative electrode connector and the positive electrode connector are respectively sleeved with a lead fixing head.

Furthermore, a threaded hole matched with the external thread of the lead fixing head is formed in the metal protection box, and the metal protection box is in threaded connection with the lead fixing head through the threaded hole.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this safe and reliable's lithium cell silica gel explosion-proof construction, metal protection box have the protection to keep apart internal structure, prevent to receive external environment to disturb the damage that causes electric core, improve the protective capacities of device, and outside protection filling layer is fixed connecting wire and installation head, makes the whole comparatively sealed structure that forms, improves holistic shock resistance.

2. This safe and reliable's lithium cell silica gel explosion-proof construction, heat exchange pipe have solved the problem that electric core used for a long time to generate heat, and is fine derive the heat, guarantees inside constancy of temperature, has avoided the production of high temperature, and the lithium cell is more convenient more efficient to use, has also improved the availability factor of device simultaneously.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a partial enlarged view of the point A in the structure of FIG. 1;

fig. 3 is a front view of the structure of the present invention.

In the figure: 10 main part protective structure, 11 outside protection filling layer, 12 metal protection case, 13 hot exchange pipe, 14 control valve, No. 15 electric core, No. 16 electric core No. two, 17 installation door, 20 battery connection structure, 21 negative pole connector, 22 negative pole connecting wire, 23 negative pole outer splicing, 24 positive pole joint, 25 positive pole connecting wire, 26 positive pole outer joint, 27 wire fixed joint, 3 silica gel buffer layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the safe and reliable lithium battery silica gel explosion-proof structure in this embodiment includes a main body protection structure 10, a battery connection structure 20 and a silica gel buffer layer 3, where the main body protection structure 10 and the battery connection structure 20 are both located outside the silica gel buffer layer 3, where the main body protection structure 10 effectively protects an internal battery cell and reduces a high temperature generated during use, so that the whole structure is ensured within a relatively stable and safe temperature range, thereby achieving an explosion-proof purpose, the battery connection structure 20 connects the internal battery cell externally, and is convenient to use, and the positive and negative electrodes are separately placed, so as to ensure the safety and reliability of the whole structure, and the silica gel buffer layer 3 improves the protection capability of the device, thereby preventing damage to the battery cell during moving, and performing a cooling function by reducing the temperature of the battery cell.

In order to realize the main body protection function of the main body protection structure 10, as shown in fig. 1 to 3, the main body protection structure 10 in this embodiment includes a heat exchange tube 13, a metal protection box 12 is fixedly connected to the outer side of the silica gel buffer layer 3, an external protection filling layer 11 is fixedly connected to the outer side of the metal protection box 12, a control valve 14 is fixedly connected to the right side of the heat exchange tube 13, a first electric core 15 is movably connected to the outer side of the heat exchange tube 13, a second electric core 16 is movably connected to the outer side of the heat exchange tube 13, and a mounting door 17 is hinged to the front surface of the external protection filling layer 11.

Wherein, outside protection filling layer 11 is dampproofing heating panel, and the connecting hole has all been seted up to the left and right sides of outside protection filling layer 11, metal protection case 12 and silica gel buffer layer 3, and exchange tube 13 runs through and extends to the outside of outside protection filling layer 11 through the connecting hole, and a battery core 15 and No. two battery cores 16 concatenate through the installation wire at the back.

In addition, the overall structure is effectively protected by the external protection filling layer 11, the dustproof and moistureproof effect is played, the external impact is resisted by the metal protection box 12, the internal structure is effectively supported and protected, the heat exchange pipe 13 cools the first electric core 15 and the second electric core 16, the temperature rise is prevented from being caused when the heat exchange pipe is used, the battery explodes or spontaneously ignites, the control valve 14 effectively controls the heat exchange pipe 13, the guarantee device can be randomly adjusted, the overall stability is improved, the installation door 17 is convenient to overhaul and maintain the inside, the service life and the service time of the device are prolonged.

In order to realize the battery connection function of the battery connection structure 20, as shown in fig. 1 to 3, the battery connection structure 20 in this embodiment includes a negative electrode connector 21 located on the right side of the first battery cell 15, a negative electrode connection wire 22 is fixedly connected to the top of the negative electrode connector 21, an external negative electrode tab 23 is fixedly connected to one end of the negative electrode connection wire 22 away from the negative electrode connector 21, an positive electrode connector 24 is fixedly connected to the left side of the second battery cell 16, a positive electrode connection wire 25 is fixedly connected to the top of the positive electrode connector 24, an external positive electrode connector 26 is fixedly connected to one end of the positive electrode connection wire 25 away from the positive electrode connector 24, and wire fixing connectors 27 are respectively sleeved on the outer sides of the negative electrode connector 21 and the positive electrode connector 24.

Wherein, the inside of metal protection case 12 is seted up with the screw hole of the external screw thread looks adaptation of wire fixed head 27, and metal protection case 12 passes through screw hole and 27 threaded connection of wire fixed head, and the fixed orifices has all been seted up to the inside of outside protection filling layer 11, metal protection case 12 and silica gel buffer layer 3, and negative pole connector 21 and positive pole connector 24 all pass through the fixed orifices respectively with negative pole connecting wire 22 and anodal connecting wire 25 fixed connection.

In addition, the negative connector 21 and the positive connector 24 respectively lead out the current, and convey through the negative connecting wire 22 and the positive connecting wire 25, finally connect with the outside through the negative outer splicing sheet 23 and the positive outer connector 26, guarantee that the positive device can be used normally, avoid the risk of mutual contact of the negative outer splicing sheet 23 and the positive outer connector 26, ensure the overall safety performance, the wire fixing head 27 plays a role of fixedly connecting the negative connector 21 and the positive connector 24 with the metal protection box 12, and guarantee that the device is used reliably.

The working principle of the above embodiment is as follows:

1) metal protection box 12 has the protection to keep apart internal structure, prevents to receive external environment interference to cause the damage of electric core, improves the protective capacities of device, and outside protection filling layer 11 is fixed connecting wire and installation head, makes the whole comparatively sealed structure that forms, improves holistic shock resistance.

2) Heat exchange pipe 13 has solved the problem that the long-time use of electricity core generates heat, and fine derive the heat, guarantee inside constancy of temperature, avoided the production of high temperature, the more convenient more efficient use of lithium cell has also improved the availability factor of device simultaneously.

3) The battery can not lead to the battery to generate heat after long-time use, ensures the health of a user, and improves the service efficiency of the lithium battery.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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.

Claims

1. A safe and reliable lithium battery silica gel explosion-proof structure is characterized by comprising a main body protection structure (10), a battery connection structure (20) and a silica gel buffer layer (3), wherein the main body protection structure (10) and the battery connection structure (20) are both positioned on the outer side of the silica gel buffer layer (3);

the main body protection structure (10) comprises a heat exchange tube (13), the outer side of the heat exchange tube (13) is movably connected with a first battery cell (15), and the outer side of the heat exchange tube (13) is movably connected with a second battery cell (16);

battery connection structure (20) are including negative pole connector (21) that are located electric core (15) right side No. one, the top fixedly connected with negative pole connecting wire (22) of negative pole connector (21), the outer splicing (23) of one end fixedly connected with negative pole of negative pole connector (21) are kept away from in negative pole connecting wire (22).

2. The safe and reliable lithium battery silica gel explosion-proof structure of claim 1, which is characterized in that: the outer side fixedly connected with metal protection case (12) of silica gel buffer layer (3), the outside fixedly connected with outside protection filling layer (11) of metal protection case (12).

3. The safe and reliable lithium battery silica gel explosion-proof structure of claim 2, characterized in that: the right side of the heat exchange tube (13) is fixedly connected with a control valve (14), and the front surface of the external protection filling layer (11) is hinged with a mounting door (17).

4. The safe and reliable lithium battery silica gel explosion-proof structure of claim 1, which is characterized in that: the left side of No. two electricity core (16) fixedly connected with positive pole connects (24), the top fixedly connected with positive pole connecting wire (25) of positive pole joint (24).

5. The safe and reliable lithium battery silica gel explosion-proof structure of claim 4, wherein: and one end of the positive connecting lead (25) far away from the positive joint (24) is fixedly connected with a positive external joint (26).

6. The safe and reliable lithium battery silica gel explosion-proof structure of claim 4, wherein: and the outer sides of the negative electrode connector (21) and the positive electrode connector (24) are respectively sleeved with a lead fixing head (27).

7. The lithium battery silica gel explosion-proof structure of claim 2 or 6, which is characterized in that: the metal protection box (12) is internally provided with a threaded hole matched with the external thread of the lead fixing head (27), and the metal protection box (12) is in threaded connection with the lead fixing head (27) through the threaded hole.