CN215418415U

CN215418415U - Battery cell fixing mechanism and CTP battery

Info

Publication number: CN215418415U
Application number: CN202121510015.4U
Authority: CN
Inventors: 李新; 吴清平; 陈洪亮; 葛长青; 戴楠
Original assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Current assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-01-04
Anticipated expiration: 2031-07-02

Abstract

The utility model provides a battery cell fixing mechanism and a CTP battery, and relates to the technical field of batteries, wherein the battery cell fixing mechanism comprises a first fixing frame, wherein the first fixing frame is bent to form an installation part and two pressing parts; the mounting part is used for being connected with the partition plate; the two pressing portions are used for being abutted to the tops of the battery cores on the two sides of the partition plate in a one-to-one correspondence mode. The CTP battery provided by the utility model is connected with the partition board through the mounting part and is abutted against the tops of the battery cores on the two sides of the partition board in a one-to-one correspondence manner through the two pressing parts, so that the battery cores on the two sides of the partition board can be subjected to potential and fixation, the space in the box body is fully utilized, and the structural compactness is improved.

Description

Battery cell fixing mechanism and CTP battery

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery cell fixing mechanism and a CTP battery.

Background

In general, a vehicle-mounted motor battery is assembled by assembling battery cells to form a battery module, and then the battery module is mounted in a battery box. Therefore, the power battery assembly has more parts and heavier weight. In no module technology (CTP), need utilize fixed establishment with electric core directly fixed to the box in, however, lack the device that is used for fixed electric core among the prior art, adopt traditional positioner be difficult to with electric core adaptation, occupation space is great, and be unfavorable for guaranteeing that electric core is firm.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery cell fixing mechanism and a CTP battery, which can limit and fix a battery cell, have a compact structure and can fully utilize the internal space of a battery box body.

In a first aspect, the battery cell fixing mechanism provided by the utility model comprises a first fixing frame, wherein the first fixing frame is bent to form an installation part and two compression parts;

the mounting part is used for being connected with the partition plate;

the two pressing portions are used for being abutted to the tops of the battery cores on two sides of the partition board in a one-to-one correspondence mode.

With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein a first cushioning pad is installed on a side of the pressing portion facing the top surface of the battery cell.

With reference to the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein a first gasket is installed inside an included angle formed by bending the pressing portion.

With reference to the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the battery cell fixing mechanism further includes a second fixing frame, a bottom of the second fixing frame is connected to the box, a top of the second fixing frame is provided with a limiting portion, and the limiting portion abuts against a top of the battery cell.

With reference to the third possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein a second cushion pad is installed on one side of the limiting part, which faces the top surface of the battery cell.

With reference to the fourth possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the second fixing frame is bent to form the limiting portion, and a second gasket is installed inside a bent included angle.

With reference to the third possible implementation manner of the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein a bottom of the second fixing frame is bent to form a supporting portion, and the supporting portion is connected to the box body.

In a second aspect, the present invention provides a CTP battery comprising: the battery cell fixing mechanism comprises a box body, a partition plate, a battery cell and the battery cell fixing mechanism provided by the first aspect;

a plurality of electric cores are arranged in the box body, and the partition plate is arranged between two adjacent groups of the electric cores;

the installation department with the baffle is connected, two compress tightly the portion butt one-to-one in the baffle both sides the electricity core top.

In combination with the second aspect, the present disclosure provides a first possible implementation manner of the second aspect, wherein the CTP battery further includes an end plate, the end plate is perpendicular to the separator, and the end plate is installed between the battery cell and an inner side wall of the box.

In combination with the first possible embodiment of the second aspect, the present invention provides a second possible embodiment of the second aspect, wherein the CTP battery further includes a third holder, and the separator and the end plate are respectively connected to the third holder.

The embodiment of the utility model has the following beneficial effects: adopt first mount bending type to form installation department and two portions that compress tightly, be connected through installation department and baffle to compress tightly the electric core top of portion butt in the baffle both sides through two one-to-one, thereby can carry out the electric potential and fix to the electric core of baffle both sides, make full use of the inside space of box, improved the compactness of structure.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of a CTP battery provided by an embodiment of the present invention;

fig. 2 is a schematic view of a first fixing frame, a first cushioning pad, and a first gasket of the cell fixing mechanism according to the embodiment of the present invention;

fig. 3 is a schematic view of a second fixing frame, a second cushioning pad, and a second gasket of the cell fixing mechanism according to the embodiment of the present invention;

fig. 4 is a partially enlarged view of a first fixing frame, a partition plate, a battery cell, an end plate, and a third fixing frame in a CTP battery provided in an embodiment of the present invention.

Icon: 001-a first mount; 110-a mounting portion; 120-a compression section; 002-first cushioning pad; 003-a first gasket; 004-a second fixation frame; 410-a limiting part; 420-a support portion; 005-second cushioning pad; 006-second gasket; 007-box body; 008-partition board; 009-electrical core; 010-an end plate; 011 a third fixing frame.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1, fig. 2, and fig. 4, the battery cell fixing mechanism according to the embodiment of the present invention includes a first fixing frame 001, where the first fixing frame 001 is bent to form an installation portion 110 and two pressing portions 120; the mounting portion 110 is used to connect with the partition 008; the two pressing portions 120 are used for abutting against the tops of the battery cells 009 on the two sides of the partition 008 in a one-to-one correspondence manner.

Specifically, the first fixing frame 001 is bent to form the mounting portion 110 and the two pressing portions 120, so that the first fixing frame 001 is easy and convenient to machine and form, and the mounting space occupied by the first fixing frame 001 is small. First mount 001 can be connected with baffle 008 to provide the position of exerting oneself with the help of utilizing baffle 008, and then compress tightly fixedly with the electric core 009 of baffle 008 both sides, improved the compactness, and the spacing stability of electric core 009.

In the embodiment of the present invention, a first cushioning pad 002 is installed on one side of the pressing portion 120 facing the top surface of the battery cell 009.

Fill between the top surface that compresses tightly portion 120 and electric core 009 through first bradyseism pad 002 to the realization compresses tightly electric core 009's elasticity, and then alleviates the impact of external vibration to electric core 009.

Further, a first gasket 003 is installed inside an included angle formed by bending the pressing portion 120.

Specifically, first gasket 003 is held between the corner of pressing tightly 120 angle of buckling and electric core 009, has not only restricted vertical and horizontal removal of electric core 009, and moreover, first gasket 003 can produce the guard action to the corner of electric core 009 to avoid the corner of electric core 009 to produce the damage because of vibration or extrusion.

As shown in fig. 1 and fig. 3, the battery cell fixing mechanism further includes a second fixing frame 004, the bottom of the second fixing frame 004 is connected to the box 007, the top of the second fixing frame 004 is provided with a limiting portion 410, and the limiting portion 410 abuts against the top of the battery cell 009.

Specifically, the bottom of the second fixing frame 004 is connected to the bottom plate of the box 007, and the limiting portion 410 has downward pressure on the battery cell 009, so as to prevent the battery cell 009 from moving upward. It should be noted that the second fixing frame 004 is suitable for limiting and fixing the battery cell at the edge parallel to the direction of the end plate 010, and the side surface of the battery cell 009 located at the edge is attached to the second fixing frame 004, so that the battery cell 009 is prevented from translating outside the box 007.

Further, a second cushioning pad 005 is installed on one side of the limiting portion 410 facing the top surface of the battery cell 009.

The second cushioning pad 005 is elastically supported between the limiting portion 410 and the battery core 009, so that the battery core 009 is prevented from colliding and damaging with the limiting portion 410 during longitudinal vibration.

Further, the second fixing frame 004 is bent to form the limiting portion 410, and a second gasket 006 is installed on the inner side of the bent included angle.

Specifically, second gasket 006 parcel electricity core 009's corner to, second gasket 006 is by the centre gripping between second mount 004 and electricity core 009, and second gasket 006 all has the guard action when electric core 009 receives vertical and horizontal line impact, and then can avoid the corner of electric core 009 and second mount 004 to produce the impact and appear the damage.

Further, the bottom of the second fixing frame 004 is bent to form a supporting portion 420, and the supporting portion 420 is connected with the box 007. Wherein, supporting part 420 is 90 degrees contained angles with the main part of second mount 004, and the bottom surface of supporting part 420 can closely laminate with the bottom plate of box 007 to, be equipped with the mounting hole on the supporting part 420, adopt the bolt to fix supporting part 420 on the bottom plate of box 007, thereby can realize the fixed mounting to second mount 004.

Example two

As shown in fig. 1 and 4, the CTP battery provided by the embodiments of the present invention includes: the battery cell fixing device comprises a box body 007, a partition plate 008, a battery cell 009 and the battery cell fixing mechanism provided by the first embodiment;

a plurality of battery cores 009 are arranged in the box 007, and the partition plates 008 are arranged between two adjacent groups of battery cores 009;

the installation part 110 is connected with the partition 008, and the two pressing parts 120 are correspondingly abutted to the tops of the battery cores 009 on two sides of the partition 008 one by one.

The CTP battery provided by this embodiment has the technical effect of the above-mentioned battery cell fixing mechanism, and is not described herein again.

In the embodiment of the present invention, the CTP battery further includes an end plate 010, the end plate 010 is perpendicular to the partition 008, and the end plate 010 is installed between the battery cell 009 and the inner sidewall of the case 007. The battery core 009 is protected and supported by the end plate 010, and the end plate 010 can adopt a profile with a hollow structure, so that the overall weight of the CTP battery is reduced.

It should be noted that the CTP battery further includes a third fixing frame 011, and the partition plate 008 and the end plate 010 are respectively connected to the third fixing frame 011. The partition plate 008 and the end plate 010 are connected with the third fixing frame 011 by looking at the threaded fasteners respectively, and the top surface of the partition plate 008 and the top surface of the end plate 010 are attached to the third fixing frame 011, so that the partition plate 008 is ensured to be fixed relative to the end plate 010 by the third fixing frame 011. Under the condition that the end plate 010 is fixedly connected with the box 007 through the screw, the partition plate 008 does not need to be separately connected with the box 007.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The battery cell fixing mechanism is characterized by comprising a first fixing frame (001), wherein the first fixing frame (001) is bent to form an installation part (110) and two pressing parts (120);

the mounting part (110) is used for being connected with the partition plate (008);

the two pressing portions (120) are used for correspondingly abutting against the tops of the battery cores (009) on two sides of the partition plate (008) one by one.

2. The cell fixing mechanism according to claim 1, wherein a first cushioning pad (002) is mounted on one side of the compressing portion (120) facing the top surface of the cell (009).

3. The battery cell fixing mechanism of claim 1, wherein a first gasket (003) is installed inside an included angle formed by bending the pressing portion (120).

4. The battery cell fixing mechanism of claim 1, further comprising a second fixing frame (004), wherein the bottom of the second fixing frame (004) is connected to the box body (007), a limiting portion (410) is arranged at the top of the second fixing frame (004), and the limiting portion (410) abuts against the top of the battery cell (009).

5. The battery cell fixing mechanism of claim 4, wherein a second cushioning pad (005) is installed on one side of the limiting portion (410) facing the top surface of the battery cell (009).

6. The battery cell fixing mechanism according to claim 5, wherein the second fixing frame (004) is bent to form the limiting portion (410), and a second gasket (006) is installed inside a bent included angle.

7. The battery cell fixing mechanism according to claim 4, wherein a bottom of the second fixing frame (004) is bent to form a supporting portion (420), and the supporting portion (420) is connected with the box body (007).

8. A CTP battery, comprising: a case (007), a partition (008), a cell (009), and the cell securing mechanism of any of claims 1-7;

a plurality of battery cores (009) are arranged in the box body (007), and the partition plates (008) are arranged between two adjacent groups of battery cores (009);

installation department (110) with baffle (008) are connected, two compress tightly portion (120) one-to-one butt in baffle (008) both sides electric core (009) top.

9. The CTP battery according to claim 8, further comprising an end plate (010), said end plate (010) being perpendicular to said separator (008), and said end plate (010) being mounted between said cell (009) and an inner side wall of said case (007).

10. The CTP battery according to claim 9, further comprising a third mount (011), said separator (008) and said end plate (010) being respectively connected with said third mount (011).