CN110783618A - Glue-pouring battery pack module and glue-pouring method - Google Patents
Glue-pouring battery pack module and glue-pouring method Download PDFInfo
- Publication number
- CN110783618A CN110783618A CN201911183757.8A CN201911183757A CN110783618A CN 110783618 A CN110783618 A CN 110783618A CN 201911183757 A CN201911183757 A CN 201911183757A CN 110783618 A CN110783618 A CN 110783618A
- Authority
- CN
- China
- Prior art keywords
- battery cell
- cell support
- glue
- battery
- aluminum pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention provides a glue-pouring battery pack module and a glue-pouring method, comprising two battery cell supports which have the same structure and are connected in a folding manner, wherein each battery cell support comprises a first battery cell support and a second battery cell support, and the first battery cell support and the second battery cell support are connected in a folding manner along the length direction of a battery cell; the edge of the battery cell support is provided with a convex edge extending inwards; the first battery cell support is provided with a plurality of battery cell cavities and a plurality of aluminum pipe cavities, and the aluminum pipe cavities are arranged between the adjacent battery cell cavities; the problems that the battery pack assembly process is complex and thermal runaway of the battery pack is prevented are effectively solved; glue is filled in the module, the module is in full contact with the parts of the battery cell except the positive electrode and the negative electrode, the axial direction of the battery cell is wrapped in the insulating glue, and the axial direction of the battery cell is in full contact with the insulating glue to form a heat insulation layer.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a glue-pouring battery pack module and a glue-pouring method.
Background
At present, the new energy industry develops rapidly, and as a core of the development of industries such as electric vehicles, medical treatment, energy storage equipment and the like, all performances of the power battery pack are paid sufficient attention, and particularly, the safety problem of the battery pack is paid sufficient attention in all related fields. Reasonable support design and encapsulating keep apart man-hour on the single electric core mode can be abundant reduction assembly line and provide sufficient safety guarantee, even single electric core takes place the internal short circuit, can not cause thermal runaway yet. Therefore, whether the design of the bracket is reasonable and the glue filling mode between the bracket and the battery cell become the key points for ensuring the safety of the battery pack industry.
The battery pack module at the present stage is as follows: 1) the battery pack module is not filled with glue and is not provided with an isolation battery core; when an internal short circuit or an external short circuit occurs in the battery cell, thermal runaway is caused;
2) the support is heavy and complex, and the replaceability is not high, so that the cost of the die is high, and the use cost of a client is increased.
Disclosure of Invention
The invention aims to provide a glue-pouring battery pack module aiming at the defects of the prior art, which effectively prevents thermal runaway and reduces the cost of a battery pack.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a glue-pouring battery pack module which comprises two battery cell supports which have the same structure and are connected in a folding manner, wherein each battery cell support comprises a first battery cell support and a second battery cell support, and the first battery cell support and the second battery cell support are connected in a folding manner along the length direction of a battery cell; the edge of the battery cell support is provided with a convex edge extending inwards;
the first battery cell support is provided with a plurality of battery cell cavities and a plurality of aluminum pipe cavities, and the aluminum pipe cavities are arranged between the adjacent battery cell cavities.
Furthermore, the convex edges at the top end of the battery cell support are only arranged at two sides of the battery cell support and form an opening shape at the upper end of the battery cell support; the first battery cell support and the second battery cell support are connected in a closing mode, and the convex edge of the first battery cell support and the convex edge of the second battery cell support enclose to form a glue filling cavity.
Further, the battery cell is fixed in the battery cell cavity of the first battery cell support and the second battery cell support;
and aluminum pipes are inserted into the aluminum pipe cavities of the first battery cell support and the second battery cell support.
Furthermore, current bus plates are mounted on two sides, away from each other, of the first battery cell support and the second battery cell support.
Furthermore, the two ends of the aluminum pipe penetrate through the current bus board and then are sleeved into the fixed cylinder.
Further, threads are arranged at two ends of the aluminum pipe and are in threaded connection with screws.
Furthermore, the glue filling opening at the top of the glue filling cavity is wide in caliber.
Further, a glue filling method of the glue filling battery module comprises the following steps:
s1, inserting the battery cells into the first battery cell support in parallel and orderly according to the requirements of the positive electrode and the negative electrode, and then closing the second battery cell support;
s2, placing current confluence plates on two sides, away from each other, of the first battery cell support and the second battery cell support, inserting an aluminum pipe into a cavity of the aluminum pipe, sleeving a fixing cylinder at two ends of the aluminum pipe, and screwing screws at two ends of the aluminum pipe to form a battery pack module;
s3, pouring liquid insulating glue into a glue pouring port at the top end of the glue pouring cavity, placing the battery pack module subjected to glue pouring on a vibrating device to vibrate for 1-2 hours, wherein the liquid insulating glue is in full contact with parts of the battery core except the positive and negative electrodes while vibrating, the battery core is axially wrapped in the insulating glue to gradually form a solidified state, and the aluminum pipe is wrapped in the insulating glue to gradually form a solidified state by the liquid insulating glue;
and S4, fixing the voltage acquisition board to the current bus board, the first battery cell bracket and the second battery cell bracket through screws.
The invention has the beneficial effects that: the battery cell supports are connected and fixed in an involutory manner to form a battery pack structure which is provided with an opening at the upper part and a glue filling cavity at the lower end and is convenient for glue filling; glue is poured into the module, the module is in full contact with the parts of the battery cell except the positive electrode and the negative electrode, the battery cell is axially wrapped in the insulating glue, the axial direction of the battery cell is in full contact with the insulating glue to form a heat insulation layer, the liquid insulating glue wraps the aluminum pipe in the insulating glue to form a solidification state gradually, and the aluminum pipe is in full contact with the insulating glue to form the heat insulation layer; the positive electrode and the negative electrode of the battery cell are connected with the bus board, and the positive electrode of the battery cell leaks and exhausts when the module is out of control due to heat, so that the problems of complex battery pack assembly process and prevention of out of control due to heat of the battery pack are effectively solved; the design of the cell support is simplified, the first cell support and the second cell support adopt the same structure, the reusability of the cell support is improved, and the cost and the mounting and dismounting efficiency are saved; the structure is simple to manufacture and flexible and convenient to install.
Drawings
Fig. 1 is an exploded view of a glue-filled battery pack module;
fig. 2 is a schematic structural diagram of a cell holder;
fig. 3 is a schematic view of the overall structure of a glue-filled battery pack module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to fig. 3, a glue-filled battery pack module includes two battery cell supports having the same structure and connected in an involutive manner, each battery cell support includes a first battery cell support 101 and a second battery cell support 102, the first battery cell support 101 and the second battery cell support 102 are connected in an involutive manner along a length direction of a battery cell 2, and a convex edge 4 extending inward is disposed on an edge of each battery cell support
The first battery cell support 101 is provided with a plurality of battery cell cavities 3 and a plurality of aluminum pipe cavities 8, and the aluminum pipe cavities 8 are arranged between the adjacent battery cell cavities 3.
Glue is poured into the module, so that the module is guaranteed to be out of control in heating, and the positive electrode of the battery cell is exposed and exhausted.
The convex edges 4 at the top end of the battery cell support are only arranged at two sides of the battery cell support and form an opening shape at the upper end of the battery cell support; the first battery cell support 101 and the second battery cell support 102 are connected in a folding manner, and the convex edges of the first battery cell support 101 and the second battery cell support 102 enclose to form a glue filling cavity.
The battery cell 2 is fixed in the cell cavity 3 of the first cell support 101 and the second cell support 102;
an aluminum pipe 9 is inserted into the aluminum pipe cavity 8 of the first battery cell support 101 and the second battery cell support 102.
Wherein, adopt aluminum pipe 9 to replace the screw, lock battery package module for battery package module's whole is more firm, and especially when violent collision appears, the electric core support is difficult to appear scattering the frame.
The current bus plates 5 are mounted on two sides of the first battery cell support 101 and the second battery cell support 102, which are away from each other.
And two ends of the aluminum pipe 9 penetrate through the current bus board 5 and then are sleeved into the fixed cylinder 6.
And internal threads are arranged at two ends of the aluminum pipe 9 and are in threaded connection with the screws 7.
And a glue filling opening at the top of the glue filling cavity is wide in caliber.
The first battery cell support 101 and the second battery cell support 102 have the same structure, so that the reusable efficiency of the battery cell supports is improved.
A glue filling method of a glue filling battery module comprises the following steps:
s1, inserting the battery cells 2 into the first battery cell support 101 in parallel and in order according to the requirements of the positive and negative poles, and then closing the second battery cell support 102;
s2, placing current collector plates 5 on two sides of the first battery cell support 101 and the second battery cell support 102 away from each other, inserting an aluminum pipe 9 into an aluminum pipe cavity 8, arranging internal threads at two ends of the aluminum pipe 9, sleeving a fixing cylinder 6 into two ends of the aluminum pipe 9, and screwing screws 7 into two ends of the aluminum pipe 9 to form a battery pack module
S3, pouring liquid insulating glue into a glue pouring opening at the top end of the glue pouring cavity, placing the battery pack module subjected to glue pouring on a vibrating device to vibrate for 1-2 hours, fully contacting the liquid insulating glue with the parts of the battery core except the positive and negative electrodes while vibrating, axially wrapping the battery core in the insulating glue to gradually form a solidified state, and wrapping the aluminum pipe 9 in the insulating glue by the liquid insulating glue to gradually form a solidified state;
and S4, fixing the voltage acquisition board 8 to the current bus board 5 and the first and second cell supports 101 and 102 through screws.
The bus board 5 is welded with the positive electrode and the negative electrode of the battery cell, and the voltage acquisition board 8 is fixed on the bus board 5 and the battery cell bracket through screws and also transmits electric signals through the screws;
in addition, the voltage collecting board is used to collect the voltage of the bus board 5 and then connected to a BMS (battery management system).
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a encapsulating battery package module which characterized in that: the battery cell support comprises two battery cell supports which are identical in structure and connected in an involutory mode, each battery cell support comprises a first battery cell support (101) and a second battery cell support (102), and the first battery cell support (101) and the second battery cell support (102) are connected in an involutory mode along the length direction of a battery cell (2); the edge of the battery cell support is provided with a convex edge (4) extending inwards;
the battery is characterized in that a plurality of battery cell cavities (3) and a plurality of aluminum pipe cavities (8) are arranged on the first battery cell support (101), and the aluminum pipe cavities (8) are arranged between the adjacent battery cell cavities (3).
2. The glue-filled battery pack module according to claim 1, characterized in that: the convex edges (4) at the top end of the battery cell support are only arranged at two sides of the battery cell support and form an opening shape at the upper end of the battery cell support; the first battery cell support (101) and the second battery cell support (102) are connected in an involutory mode, and the convex edge of the first battery cell support (101) and the convex edge of the second battery cell support (102) enclose to form a glue filling cavity.
3. The glue-filled battery pack module according to claim 1, characterized in that: the battery cell (2) is fixed in the battery cell cavity (3) of the first battery cell support (101) and the second battery cell support (102);
and an aluminum pipe (9) is inserted into the aluminum pipe cavity (8) of the first battery cell bracket (101) and the second battery cell bracket (102).
4. The glue-filled battery pack module according to claim 3, wherein: and current bus plates (5) are arranged on two sides of the first battery cell support (101) and the second battery cell support (102) which are separated from each other.
5. The glue-filled battery pack module according to claim 4, wherein: and two ends of the aluminum pipe (801) penetrate through the current bus plate (5) and then are sleeved into the fixed cylinder (6).
6. The glue-filled battery pack module according to claim 1, characterized in that: threads are arranged at two ends of the aluminum pipe (9) and are in threaded connection with the screws (7).
7. The glue-filled battery pack module according to claim 2, wherein: and a glue filling opening at the top of the glue filling cavity is wide in caliber.
8. A glue filling method of a glue filling battery module is characterized by comprising the following steps:
s1, inserting the battery cells (2) into the first battery cell support (101) in parallel and in order according to the requirements of the positive electrode and the negative electrode, and then closing the second battery cell support (102);
s2, placing current bus plates (5) on two sides of the first battery cell support (101) and the second battery cell support (102) which are separated from each other, inserting an aluminum pipe (9) into the aluminum pipe cavity (8), sleeving a fixing cylinder (6) at two ends of the aluminum pipe (9), and screwing screws (7) at two ends of the aluminum pipe (9) to form a battery pack module;
s3, pouring liquid insulating glue into a glue pouring opening at the top end of the glue pouring cavity, placing the battery pack module subjected to glue pouring on a vibrating device to vibrate for 1-2 hours, wherein the liquid insulating glue is in full contact with parts of the battery core except the positive and negative electrodes while vibrating, the battery core is axially wrapped in the insulating glue to gradually form a solidified state, and the aluminum pipe (9) is wrapped in the insulating glue to gradually form a solidified state by the liquid insulating glue;
s4, fixing the voltage acquisition board (8) to the current bus board (5) and the first battery cell support (101) and the second battery cell support (102) through screws.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183757.8A CN110783618A (en) | 2019-11-27 | 2019-11-27 | Glue-pouring battery pack module and glue-pouring method |
| CN202010441148.4A CN111477937A (en) | 2019-11-27 | 2020-05-22 | Glue-pouring battery pack module and glue-pouring method |
| CN202020884859.4U CN212342673U (en) | 2019-11-27 | 2020-05-22 | Glue-pouring battery pack module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183757.8A CN110783618A (en) | 2019-11-27 | 2019-11-27 | Glue-pouring battery pack module and glue-pouring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110783618A true CN110783618A (en) | 2020-02-11 |
Family
ID=69392812
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911183757.8A Withdrawn CN110783618A (en) | 2019-11-27 | 2019-11-27 | Glue-pouring battery pack module and glue-pouring method |
| CN202020884859.4U Active CN212342673U (en) | 2019-11-27 | 2020-05-22 | Glue-pouring battery pack module |
| CN202010441148.4A Pending CN111477937A (en) | 2019-11-27 | 2020-05-22 | Glue-pouring battery pack module and glue-pouring method |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020884859.4U Active CN212342673U (en) | 2019-11-27 | 2020-05-22 | Glue-pouring battery pack module |
| CN202010441148.4A Pending CN111477937A (en) | 2019-11-27 | 2020-05-22 | Glue-pouring battery pack module and glue-pouring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN110783618A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889303A (en) * | 2020-09-04 | 2020-11-06 | 福建飞毛腿动力科技有限公司 | Battery cell gluing fixing structure and gluing method thereof |
| CN113363659A (en) * | 2021-06-03 | 2021-09-07 | 东莞新能安科技有限公司 | Battery pack, manufacturing method and electric device |
| CN113540547A (en) * | 2020-03-31 | 2021-10-22 | 比亚迪股份有限公司 | Encapsulating subassembly and have its battery package, electric motor car |
-
2019
- 2019-11-27 CN CN201911183757.8A patent/CN110783618A/en not_active Withdrawn
-
2020
- 2020-05-22 CN CN202020884859.4U patent/CN212342673U/en active Active
- 2020-05-22 CN CN202010441148.4A patent/CN111477937A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113540547A (en) * | 2020-03-31 | 2021-10-22 | 比亚迪股份有限公司 | Encapsulating subassembly and have its battery package, electric motor car |
| CN113540547B (en) * | 2020-03-31 | 2023-04-07 | 比亚迪股份有限公司 | Encapsulating subassembly and have its battery package, electric motor car |
| CN111889303A (en) * | 2020-09-04 | 2020-11-06 | 福建飞毛腿动力科技有限公司 | Battery cell gluing fixing structure and gluing method thereof |
| CN113363659A (en) * | 2021-06-03 | 2021-09-07 | 东莞新能安科技有限公司 | Battery pack, manufacturing method and electric device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN212342673U (en) | 2021-01-12 |
| CN111477937A (en) | 2020-07-31 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200211 |