CN218731213U

CN218731213U - Battery pack shell with protection effect

Info

Publication number: CN218731213U
Application number: CN202222979171.6U
Authority: CN
Inventors: 张晓忠; 潘玉龙; 徐显
Original assignee: Wenzhou Hanhe Photovoltaic Power Generation Co ltd
Current assignee: Wenzhou Hanhe Photovoltaic Power Generation Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a battery package shell with guard action, which comprises an outer shell body, shell body's lateral wall is provided with protection machanism, shell body's the fixed lithium cell body that is provided with of bottom inner wall, four side inner walls of shell body install the connection connecting plate through elastomeric element, the outside of connecting plate and lithium cell body is laminated mutually, four side inner wall middle parts of shell body all are provided with pressure sensor, one side outer wall of connecting plate is fixed and is provided with the elasticity post, elasticity post and pressure sensor are corresponding, shell body's top is provided with warning light and bee calling organ respectively. The utility model discloses when the lithium cell swell, will extrude the connecting plate, the elasticity post on the connecting plate will extrude pressure sensor, and the controller will start warning light and bee calling organ this moment, and then takes place acousto-optic warning, can remind people in time to discover like this and inspect and maintain the lithium cell, improves the security.

Description

Battery pack shell with protection effect

Technical Field

The utility model relates to a battery accessories technical field especially relates to a battery package shell with guard action.

Background

The lithium battery is a primary battery using a non-aqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material, and unlike the lithium ion battery, the lithium battery is a primary battery and the lithium ion battery is a secondary battery.

Among the prior art, like the patent of CN 20192245847.0, disclose a lithium cell group shell with safeguard function, lithium cell shell in the above-mentioned patent passes through blotter, anticollision board, the cooperation between first spring and the fixed plate, can be when the casing suffers the striking with doing all can the uninstallation to avoid the lithium cell to receive the damage, but we know, the lithium cell is at the in-process of long-term use, because all kinds of reasons may lead to outside swell, for example overcharge, with wrong charger or overheated, and can not in time discover when the swell, and then there is certain potential safety hazard, the utility model aims to, can in time discover when the battery swell, thereby improve the security.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a battery package shell with guard action to solve the problem that proposes among the above-mentioned background art.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a battery package shell with guard action, includes the shell body, the lateral wall of shell body is provided with protection machanism, the fixed lithium cell body that is provided with of bottom inner wall of shell body, the connection connecting plate is installed through elastomeric element to four side inner walls of shell body, the outside of connecting plate and lithium cell body is laminated mutually, four side inner wall middle parts of shell body all are provided with pressure sensor, one side outer wall fixing of connecting plate is provided with the elasticity post, elasticity post and pressure sensor are corresponding, the top of shell body is provided with warning light and bee calling organ respectively, warning light, bee calling organ and pressure sensor pass through controller electric connection.

As a further improvement scheme of the technical scheme: the top of shell body is provided with the opening, the opening part pass through bolt fixed mounting have rather than the cap of adaptation.

As a further improvement scheme of the technical scheme: both sides of the top end of the shell cover are provided with ventilation openings, and heat dissipation fans are fixedly arranged inside the ventilation openings.

As a further improvement scheme of the technical scheme: the inside of vent is fixed and is provided with the dust screen, the dust screen is located the top of heat dissipation fan.

As a further improvement scheme of the technical scheme: the protection mechanism comprises a first spring fixedly connected to the outer portions of four side walls of the shell body, a protection plate is fixedly arranged at one end of the first spring, and a damping plate is fixedly arranged on the outer wall of one side of the protection plate.

As a further improvement scheme of the technical scheme: the elastic component comprises a second spring and a limiting telescopic rod, and the second spring and the limiting telescopic rod are fixedly connected between the connecting plate and the inner wall of the shell body.

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

1. this a battery package shell for a have a guard action, through being provided with the connecting plate, when the lithium cell swell, will extrude the connecting plate, elastic column on the connecting plate will extrude pressure sensor, when pressure sensor detected pressure signal and is greater than the setting value, warning light and bee calling organ will be started to the controller, and then take place acousto-optic warning, can remind people in time to discover like this and examine and maintain the lithium cell, improve the security.

2. This a battery pack shell for a have safeguard function through being provided with the heat dissipation fan, starts two heat dissipation fans, and one is bloied toward this internal of shell, and another takes this internal air current of shell out, forms an air current like this and flows, and then carries out ventilation and heat dissipation to the lithium cell, makes it operate under a suitable temperature.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of an overall structure of a battery pack case with a protection function according to the present invention;

fig. 2 is a schematic view of a cover structure of a battery pack case with a protection function according to the present invention;

fig. 3 is a schematic sectional view of a battery pack case with a protection function according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a housing body; 2. a shell cover; 3. a warning light; 4. a buzzer; 5. a dust screen; 6. a protection plate; 7. a damper plate; 8. a heat dissipation fan; 9. a vent; 10. a lithium battery body; 11. a first spring; 12. a connecting plate; 13. an elastic column; 14. a pressure sensor; 15. a second spring; 16. limiting telescopic rods.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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. 1-3, in the embodiment of the present invention, a battery pack case with protection function comprises a case body 1, wherein four outer sidewalls of the case body 1 are provided with a protection mechanism, a lithium battery body 10 is fixedly mounted on the inner bottom wall of the case body 1 through bolts, in order to improve the protection effect, rubber shock-absorbing pads can be fixedly mounted on the inner bottom wall of the case body 1 and the bottom end of the lithium battery body 10, and can play a certain role in buffering vibration, connecting plates 12 are mounted on the inner four side walls of the case body 1 through elastic components, the connecting plates 12 are attached to the outer portions of the lithium battery body 10, air holes distributed at equal intervals can be arranged on the outer surface of the connecting plates 12, so as to improve the heat dissipation performance, pressure sensors 14 are respectively arranged at the middle portions of the inner four side walls of the case body 1, the elastic column 13 is fixedly mounted on the outer wall of one side of the connecting plate 12 through bolts, the elastic column 13 is preferably made of rubber, the elastic column 13 corresponds to the pressure sensor 14, the elastic column 13 and the pressure sensor 14 are in a state close to contact, the top end of the shell body 1 is provided with the warning lamp 3 and the buzzer 4 respectively, the warning lamp 3, the buzzer 4 and the pressure sensor 14 are electrically connected through the controller, when the outer side wall of the lithium battery bulges, the connecting plate 12 can be extruded, the elastic column 13 on the connecting plate 12 can extrude the pressure sensor 14, when the pressure sensor 14 detects that a pressure signal is greater than a set value, the controller can start the warning lamp 3 and the buzzer 4, and acousto-optic alarm is generated, so that people can be reminded of timely finding and checking and maintaining the lithium battery, and the safety is improved.

The utility model discloses in, the top of housing body 1 is provided with the opening, and the opening part has cap 2 rather than the adaptation through bolt fixed mounting, is convenient for open and close housing body 1, is convenient for overhaul inside lithium cell.

The utility model discloses in, the top both sides of cap 2 all are provided with vent 9, and vent 9 is inside to have a heat dissipation fan 8 through bolt fixed mounting, and a heat dissipation fan 8 is bloied toward this body of shell 1, and another heat dissipation fan 8 is taken the air current in with this body of shell 1 out, forms an air current like this and flows, and then carries out ventilation cooling to the lithium cell, makes it move under a suitable temperature.

The utility model discloses in, there is dust screen 5 in vent 9's inside through bolt fixed mounting, and dust screen 5 is located the top of heat dissipation fan 8, can prevent like this that the dust from getting into the inside of shell body 1.

The utility model discloses in, protection machanism is including welded fastening in 1 four outside springs of lateral wall of

housing body

11, 11 springs are the equidistance and distribute the installation, 11 springs's one end welded fastening has guard plate 6, one side outer wall of guard plate 6 is fixed and is provided with shock attenuation board 7, shock attenuation board 7 is preferably the rubber material, when housing body 1 receives the striking, at first shock attenuation board 7 can absorb some impact and uninstall, impact transmits on 11 springs, 11 further absorb the impact and uninstall, thereby reduce the dynamics that receives the impact of the inside lithium cell of housing body 1, and then guarantee that the inside lithium cell of housing body 1 does not receive the damage.

The utility model discloses in, elastomeric element includes two 15 and spacing telescopic link of spring 16, two 15 and 16 welded fastening of spacing telescopic link of spring are between the inner wall of connecting plate 12 and shell body 1, as shown in fig. 3, two 15 cup joints in 16 outside of spacing telescopic link of spring, two 15 and 16 rectangular distributions of spacing telescopic link of spring are located the four corners department of connecting plate 12, when the lithium cell swell like this, connecting plate 12 will the moving as a whole under 16 effects of spacing telescopic link, and then extrude pressure sensor 14 through elasticity post 13.

The utility model discloses a theory of operation is:

electric elements that appear in this application all external intercommunication power and control switch when using, in the battery use, if when the lateral wall of lithium cell takes place to swell, will extrude connecting plate 12, connecting plate 12 will move wholly under spacing telescopic link 16's effect, and then extrude pressure sensor 14 through elastic column 13, when pressure sensor 14 detects pressure signal and is greater than the setting value, warning light 3 and bee calling organ 4 will be started to the controller, and then take place the audible and visual alarm, can remind people in time to discover and inspect and maintain the lithium cell like this, when shell body 1 receives the striking, at first shock attenuation board 7 can absorb some impact and uninstall, impact transmits on spring 11 afterwards, further impact of spring 11 absorbs the uninstallation, thereby reduce the dynamics that receives the impact of the inside lithium cell of shell body 1, and then guarantee that the inside lithium cell of shell body 1 does not receive the damage.

It should be noted that the control circuit of the controller can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in the field, and the present application mainly protects the mechanical device, so the control mode and the circuit connection are not explained in detail in the present application.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a battery pack shell with guard action, includes housing body (1), its characterized in that, the lateral wall of housing body (1) is provided with protection machanism, the fixed lithium cell body (10) that is provided with of bottom inner wall of housing body (1), four side inner walls of housing body (1) install connecting plate (12) through elastomeric element, the outside of connecting plate (12) and lithium cell body (10) is laminated mutually, four side inner wall middle parts of housing body (1) all are provided with pressure sensor (14), one side outer wall of connecting plate (12) is fixed and is provided with elasticity post (13), elasticity post (13) and pressure sensor (14) are corresponding, the top of housing body (1) is provided with warning light (3) and bee calling organ (4) respectively, warning light (3), bee calling organ (4) and pressure sensor (14) pass through controller electric connection.

2. The battery pack case with the protection function according to claim 1, wherein the top end of the case body (1) is provided with an opening, and the opening is fixedly provided with a case cover (2) matched with the opening through a bolt.

3. The battery pack shell with the protection function according to claim 2, wherein ventilation openings (9) are formed in two sides of the top end of the shell cover (2), and a heat dissipation fan (8) is fixedly arranged in each ventilation opening (9).

4. The battery pack case with the protection function according to claim 3, wherein a dust screen (5) is fixedly arranged inside the ventilation opening (9), and the dust screen (5) is located at the top end of the heat dissipation fan (8).

5. The battery pack shell with the protection function according to claim 1, wherein the protection mechanism comprises a first spring (11) fixedly connected to the outer portions of four side walls of the shell body (1), a protection plate (6) is fixedly arranged at one end of the first spring (11), and a damping plate (7) is fixedly arranged on the outer wall of one side of the protection plate (6).

6. The battery pack shell with the protection function as claimed in claim 1, wherein the elastic component comprises a second spring (15) and a limit telescopic rod (16), and the second spring (15) and the limit telescopic rod (16) are fixedly connected between the connecting plate (12) and the inner wall of the shell body (1).