CN219040632U

CN219040632U - Battery tank box for lithium ion power battery

Info

Publication number: CN219040632U
Application number: CN202320125421.1U
Authority: CN
Inventors: 赵阳
Original assignee: Datu Argo Energy Technology Nantong Co ltd
Current assignee: Datu Argo Energy Technology Nantong Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-05-16
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses a battery tank box for a lithium ion power battery, which belongs to the technical field of battery tank boxes and comprises the following components: the tank body, tank body upper portion is equipped with the case lid through the fixed lid of bolt structure, the lid cavity has been seted up at the middle part in the case lid, the cavity both sides are all fixed to be provided with the fire extinguishing agent container in the lid, terminal surface one side department fixedly connected with shower nozzle under the fire extinguishing agent container. From this, can realize that the displacement of the inside group battery of restriction in vertical direction through the rubber that sets up avoids its frequent vibration, to the horizontal direction that vibrations frequency and range are bigger, then form flexible support through backup pad and spring combination work and carry out elastic fixation, also reserved its space of warping when fixing the group battery, the shower nozzle structure of putting out a fire that sets up simultaneously can in time put out a fire when group battery spontaneous combustion or short circuit temperature are too high and cool down the work, prevent that follow-up development from deteriorating.

Description

Battery tank box for lithium ion power battery

Technical Field

The utility model relates to a battery box, in particular to a battery box for a lithium ion power battery, and belongs to the technical field of battery boxes.

Background

The battery box is a group battery composed of a plurality of single batteries, a box body, a battery management system, related installation structural members (devices) and the like, and is provided with a battery box structure, battery box monitoring equipment, a battery box connector, battery box ring control equipment and the like which meet the standard. The types of the battery boxes are mainly distinguished according to the specification number and the placement mode of the batteries. The number of the stored batteries is different from the three general types of separation type, horizontal type and manual operation type. The batteries in the vertical battery box are vertically placed, the batteries in the horizontal battery box are horizontally placed, the hand-operated type toy products are mainly used, and the switch is arranged on the battery box and can generally control the change of the conductivity and the polarity of the power supply, so that children can hold the battery box to control the products to stop, start or advance and reverse at any time.

The utility model discloses a battery tank box, which comprises a box body, a graduated scale and a box cover, wherein the bottom outer wall and the two side outer walls of the box body are provided with ventilation grooves, the top outer wall of the box body is connected with a shrinkage hose through screws, and the top outer wall of the shrinkage hose is connected with a buckle plate through screws.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a battery tank box for a lithium ion power battery, which can limit the displacement of an internal battery pack in the vertical direction through a rubber supporting strip to avoid frequent vibration, and can form a flexible support for elastic fixation through combined work of a supporting plate and a spring in the horizontal direction with larger vibration frequency and amplitude, so that the deformation space of the battery pack is reserved while the battery pack is fixed, and meanwhile, the arranged fire extinguishing nozzle structure can timely perform fire extinguishing and cooling work when the spontaneous combustion or the short circuit temperature of the battery pack is too high, thereby preventing the subsequent development from deteriorating, improving the safety and solving the technical problems of lacking the elastic fixed support and lacking timely fire extinguishing and cooling measures in the horizontal direction in the prior art.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a battery tank case for lithium ion power battery, includes the tank case main part, tank case main part upper portion is equipped with the case lid through the fixed lid of bolt structure, the lid cavity has been seted up at the middle part in the case lid, the cavity both sides are all fixed to be provided with the fire extinguishing agent container in the lid, terminal surface one side department fixedly connected with shower nozzle under the fire extinguishing agent container, the cavity middle part is fixed to be provided with control module in the lid, the case lid bottom plate link up fixedly to be provided with temperature-sensing probe, the terminal surface is fixed to be provided with rubber in the horizontal direction under the case lid.

The outer side surfaces of the tank body are fixedly connected with connecting columns, the end parts of the other ends of the connecting columns are fixedly connected with anti-collision shells, a fixed plate with a rod is arranged in a through hole formed in a side plate of the tank body in a sliding manner, the front end plate body part surface fixing of the fixing plate with the rod is adhered with a soft cushion layer, a spring is sleeved outside the rod body at the rear part of the fixing plate with the rod, a limit ring is fixedly connected with the end face of the tail end of the rod body at the rear part of the fixing plate with the rod, and a heat dissipation grille is arranged on the side plate of the main body of the tank in a penetrating way.

Further, the tank main body is of an integrated tank body structure made of plastic materials with high strength and high heat resistance.

Further, the fire extinguishing agent container is of a tank body structure made of high-pressure resistant metal materials, and a heat preservation and heat insulation sleeve layer is wrapped outside the fire extinguishing agent container.

Further, the inside of the fire extinguishing agent container is filled with liquid carbon dioxide fire extinguishing agent, and the connecting pipeline of the spray head is directly communicated to the inside of the fire extinguishing agent container.

Furthermore, the rubber supporting strip is a rubber strip body with higher flexibility and higher heat resistance, and the top end surface of the rubber supporting strip is fixed on the lower end surface of the box cover in a heat-resistant glue pasting mode.

Further, the cushion layer is a gasket structure made of rubber material with certain elasticity, and the outer side surface of the cushion layer is densely provided with raised rubber particles.

Furthermore, the anti-collision shell is of a shell structure with certain toughness, and the side plate of the anti-collision shell is provided with a heat radiation grid.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the rubber abutting strip structure arranged at the bottom of the box cover, the displacement of the internal battery pack can be limited in the vertical direction to avoid frequent vibration, and in addition, for the horizontal direction with larger vibration frequency and amplitude, the flexible support is formed by combining the support plate and the spring to elastically fix, so that the battery pack is fixed, and meanwhile, the deformation space due to long-term use is reserved;

2. according to the utility model, through the fire extinguishing nozzle structure arranged in the box cover, a large amount of carbon dioxide can be sprayed instantaneously, and the temperature can be reduced by vaporizing and absorbing heat while oxygen is isolated, so that the temperature sensing probe structure can timely control the nozzle to spray carbon dioxide to perform fire extinguishing and temperature reducing work when the internal temperature is overhigh due to spontaneous combustion or short circuit of the battery pack, thereby preventing the subsequent development from deteriorating and improving the use safety;

specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic view showing the structure of a battery case for a lithium ion power battery according to a preferred embodiment of the present utility model;

FIG. 2 is a longitudinal cross-sectional view of a preferred embodiment of a battery compartment for a lithium-ion power battery in accordance with the present utility model;

FIG. 3 is a cross-sectional view of a preferred embodiment of a battery compartment for a lithium-ion power battery in accordance with the present utility model;

fig. 4 is an enlarged view at a in fig. 2.

In the figure: 1. a tank main body; 2. a case cover; 3. a cover inner cavity; 4. a fire extinguishing agent container; 5. a spray head; 6. a control module; 7. a temperature sensing probe; 8. rubber supporting strips; 9. a connecting column; 10. an anti-collision housing; 11. a fixing plate with a rod; 12. a soft cushion layer; 13. a spring; 14. a limit ring; 15. and a heat radiation grille.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the battery tank for a lithium ion power battery provided in this embodiment includes a tank main body 1, the tank main body 1 provides a space for containing a battery pack and provides conditions for installation and operation of other components, a tank cover 2 is fixedly covered on the upper portion of the tank main body 1 through a bolt structure, the tank cover 2 is covered on the upper end of the tank main body 1 and is combined with the tank main body to form a closed space, a cavity 3 is formed in the middle of the tank cover 2, the cavity 3 is used for fixedly installing related components, fire extinguishing agent containers 4 are fixedly arranged on two sides of the cavity 3 in the tank, liquid carbon dioxide is contained in the fire extinguishing agent containers 4, a spray head 5 is fixedly connected to one side of the lower end face of the fire extinguishing agent containers 4, the spray head 5 can spray the liquid carbon dioxide downwards, a control module 6 is fixedly arranged in the middle of the cavity 3 in the tank cover, the control module 6 can receive temperature abnormality signals transmitted by the temperature sensing probes 7 and control the spray head 5 to operate, the bottom plate of the tank cover 2 is fixedly provided with the temperature sensing probes 7, the temperature sensing probes 7 are used for sensing the temperature in the tank and feeding back to the control module 6 when the temperature is abnormal, the lower end face of the tank cover 2 is fixedly provided with rubber strips 8 in the transverse direction, and the rubber strips are fixedly arranged on the lower end face of the tank cover 2 and support the rubber strips are vertically and support the battery strips 8 in the vertical direction.

The tank main body 1 lateral surface all fixedly connected with spliced pole 9, spliced pole 9 is used for fixed connection tank main body 1 and anti-collision shell 10, spliced pole 9 other end tip fixedly connected with anti-collision shell 10, anti-collision shell 10 can offset a part external force through self deformation when the box is bumped, prevent that external force from directly striking tank main body 1 from causing the damage to the group battery of inside, be provided with the fixed plate of area pole 11 in the through-hole that sets up on tank main body 1 curb plate, the fixed plate of area pole 11 and spring 13 combined operation and realization are to the elastic support of group battery side, the fixed pad layer 12 that has of area pole 11 front end plate body part surface fixation, the soft pad layer 12 is used for increasing the frictional force between with the group battery simultaneously its soft material can play certain guard action to the group battery, the body of rod overcoat at the fixed plate 11 rear portion is equipped with spring 13, spring 13 can exert the thrust to area pole fixed plate 11 and make it can be through certain clamping force fixed group battery, the fixed connection limit collar 14 in the tail end terminal surface department at the fixed plate of area pole 11 rear portion, limit collar 14 is used for preventing area pole fixed plate 11 from taking out of the grid from the inside of the box main body 15 with the heat dissipation grid that the heat dissipation grid 1 is equipped with the heat dissipation grid in order to take out the inside the box main body 15.

In this embodiment, as shown in fig. 1-4,

preferably, the tank body 1 is an integrated tank body structure made of plastic materials with high strength and high heat resistance.

Preferably, the fire extinguishing agent container 4 is a tank body structure made of high-pressure resistant metal material, and the outer part of the fire extinguishing agent container is wrapped with a heat insulation sleeve layer.

Preferably, the fire extinguishing agent container 4 contains liquid carbon dioxide fire extinguishing agent therein and the connecting pipeline of the spray head 5 is directly communicated to the inside thereof.

Preferably, the rubber supporting strip 8 is a rubber strip with higher flexibility and higher heat resistance, and the top end surface of the rubber supporting strip is fixed on the lower end surface of the box cover 2 in a heat-resistant glue pasting mode.

Preferably, the cushion layer 12 is a pad structure made of rubber material having a certain elasticity, and the outer side surface thereof is densely covered with raised rubber particles.

Preferably, the anti-collision housing 10 has a housing structure with a certain toughness, and the side plate is provided with a heat dissipation grille 15.

The application principle and the application flow of the utility model are as follows: firstly, extruding a fixing plate 11 with a rod to a maximum position, then putting a battery pack in, enabling the fixing plate 11 with the rod to outwards move under the action of the elasticity of a spring 13, applying clamping force to the battery pack to achieve a fixing effect, and then fixing a box cover 2 right above a box body 1 through a bolt structure, so that the mounting process of the box body can be completed; the rubber supporting strip 8 arranged at the bottom of the box cover 2 can limit the displacement of the internal battery pack in the vertical direction to avoid frequent vibration; when the internal temperature is too high due to spontaneous combustion or short circuit of the battery pack, the temperature sensing probe 7 immediately senses abnormality and feeds back to the control module 6, and the control module 6 controls the spray head 5 to open so as to spray out liquid carbon dioxide contained in the fire extinguishing agent container 4, so that the purposes of fire extinguishment and temperature reduction are achieved; the anti-collision housing 10 can counteract a part of external force through self deformation when the case is impacted, and prevent the external force from directly impacting the tank main body 1 to damage the internal battery pack.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims

1. The utility model provides a battery tank for lithium ion power battery, its characterized in that, including tank main part (1), tank main part (1) upper portion is equipped with case lid (2) through the fixed lid of bolt structure, lid cavity (3) have been seted up at the middle part in case lid (2), lid cavity (3) both sides are all fixed be provided with fire extinguishing agent container (4), terminal surface one side department fixedly connected with shower nozzle (5) under fire extinguishing agent container (4), lid cavity (3) middle part fixedly provided with control module (6), case lid (2) bottom plate link up fixedly and are provided with temperature sensing probe (7), terminal surface is fixed under case lid (2) is provided with rubber butt strip (8) in horizontal direction, tank main part (1) lateral surface all fixedly connected with spliced pole (9), spliced pole (9) other end fixedly connected with anti-collision shell (10), slide in the through-hole that sets up on tank main part (1) curb plate is provided with in band pole fixed plate (11), band pole fixed plate (11) front end plate part surface fixedly pastes soft cushion layer (12), terminal surface of rod body (11) is equipped with end face fixed with spring (13), body (14) are fixed with back end face fixed plate (14), a radiating grid (15) is arranged on the side plate of the tank body (1) in a penetrating way.

2. The battery tank for the lithium ion power battery according to claim 1, wherein the tank main body (1) is an integrated tank structure made of plastic materials with high strength and high heat resistance.

3. The battery tank box for the lithium ion power battery according to claim 1, wherein the fire extinguishing agent container (4) is of a tank structure made of high-pressure resistant metal material, and a heat insulation sleeve layer is wrapped outside the fire extinguishing agent container.

4. The battery tank for the lithium ion power battery according to claim 1, wherein the fire extinguishing agent container (4) contains liquid carbon dioxide fire extinguishing agent and the connecting pipeline of the spray head (5) is directly communicated to the inside of the fire extinguishing agent container.

5. The battery box for the lithium ion power battery according to claim 1, wherein the rubber supporting strip (8) is a rubber strip body with higher flexibility and higher heat resistance, and the top end surface of the rubber supporting strip is fixed on the lower end surface of the case cover (2) through a heat resistant glue pasting mode.

6. The battery case for a lithium ion power battery according to claim 1, wherein the cushion layer (12) is a gasket structure made of rubber material having a certain elasticity, and the outer side surface thereof is densely covered with raised rubber particles.

7. The battery box for the lithium ion power battery according to claim 1, wherein the anti-collision shell (10) has a shell structure with certain toughness, and a heat radiation grid (15) is arranged on a side plate of the anti-collision shell.