CN219843016U - battery module - Google Patents
battery module Download PDFInfo
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- CN219843016U CN219843016U CN202320147426.4U CN202320147426U CN219843016U CN 219843016 U CN219843016 U CN 219843016U CN 202320147426 U CN202320147426 U CN 202320147426U CN 219843016 U CN219843016 U CN 219843016U
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- pressure sensor
- battery
- end plate
- battery module
- groove
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- BNOODXBBXFZASF-UHFFFAOYSA-N [Na].[S] Chemical compound [Na].[S] BNOODXBBXFZASF-UHFFFAOYSA-N 0.000 description 2
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- 239000003990 capacitor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005382 thermal cycling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery module, comprising: a battery array formed by a plurality of unit batteries which are arranged in sequence; the first end plate is arranged at one end of the battery column along the arrangement direction of the single batteries; and the pressure sensor is clamped between the first end plate and the battery column, and a first groove for positioning and fixing the pressure sensor is formed in the first end plate towards one end face of the battery column. According to the battery module provided by the embodiment of the utility model, the pressure sensor is assembled between the first end plate and the battery column, and the expansion force of the battery module is monitored in real time by using the pressure sensor, so that the abnormal expansion of the battery module can be found in time, and the safety of passengers is protected.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery module.
Background
In recent years, with the aggravation of energy crisis and financial crisis and the deep understanding of climate crisis by human beings, new energy sources show a rapid development trend worldwide. The world is looking for new green energy capable of being continuously regenerated, and the new energy is focused by various people, so that the production capacity of the new energy battery is rapidly developed. The new energy generally refers to various forms of energy other than the conventional energy, including solar energy, biomass energy, water energy, wind energy, geothermal energy, wave energy, ocean current energy and tidal energy, thermal cycling between the ocean surface and the deep layer, and the like. Batteries developed based on new energy technology are called new energy batteries. Currently, the types of common new energy batteries mainly include lithium ion batteries, nickel-hydrogen batteries, fuel cells, lead-acid batteries, super capacitors, sodium-sulfur batteries, solar batteries and the like.
And with the rapid development of new energy battery industry, the requirement on the safety performance of the battery pack is higher and higher, and the safety protection of the battery pack is mainly to set early warning from the temperature, voltage and air pressure threshold indexes, so that the safety of the expansion force of the battery module is not considered, the expansion force of the battery module cannot be monitored in real time, and particularly, the expansion force of the battery in the later life is huge, if the expansion force is not found in time, the safety risks such as fire and explosion are easy to occur, and improvement exists.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a battery module for monitoring the expansion force of the battery cell module in real time, thereby protecting the safety of passengers.
According to an embodiment of the utility model, a battery module includes:
a battery array formed by a plurality of unit batteries which are arranged in sequence;
the first end plate is arranged at one end of the battery column along the arrangement direction of the single batteries;
and the pressure sensor is clamped between the first end plate and the battery column, and a first groove for positioning and fixing the pressure sensor is formed in the first end plate towards one end face of the battery column.
According to some embodiments of the utility model, further comprising:
and the binding belt is wound on the circumferential outer sides of the battery row and the first end plate and is used for binding the first end plate, the pressure sensor and the battery row to form a whole.
According to some embodiments of the utility model, further comprising:
and a second end plate provided between the pressure sensor and the battery string.
According to some embodiments of the utility model, an end surface of the second end plate facing the first end plate is provided with a second groove for positioning and fixing the pressure sensor;
the pressure sensor is positioned and fixed between the first groove and the second groove.
According to some embodiments of the utility model, the plurality of bands are arranged in a height direction of the single battery.
According to some embodiments of the utility model, the system further comprises a collection instrument, wherein a singlechip and an alarm are arranged in the collection instrument, and the alarm and the singlechip are electrically connected with the singlechip;
the single chip microcomputer is internally preset with a fault threshold value, and when the pressure value received by the pressure sensor is larger than the fault threshold value, the alarm sends out an alarm signal.
According to some embodiments of the utility model, the acquisition instrument further comprises a display electrically connected to the monolithic computer for displaying the pressure value of the pressure sensor.
According to some embodiments of the utility model, the shape of the first groove and/or the second groove is provided as square, circular or kidney-shaped.
In summary, the battery module provided by the embodiment of the utility model has the following technical effects:
the pressure sensor is assembled between the first end plate and the battery column, and the expansion force of the battery module is monitored in real time by the pressure sensor, so that abnormal expansion of the battery module can be found in time, and safety of passengers is protected.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic view of a battery module according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
fig. 3 is a schematic view illustrating an exploded state of a battery module according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a first end plate in the battery module according to the embodiment of the present utility model;
fig. 5 is a schematic circuit diagram of an acquisition instrument in a battery module according to an embodiment of the present utility model;
icon: the battery pack comprises a 1-battery column, a 2-first end plate, a 21-first groove, a 3-pressure sensor, a 4-ribbon, a 5-second end plate, a 6-singlechip, a 7-alarm and an 8-display.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
A battery module according to an embodiment of the present utility model will be described below with reference to fig. 1 to 5, and some embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, in which the following embodiments and features of the embodiments may be combined with each other without conflict.
In recent years, with the aggravation of energy crisis and financial crisis and the deep understanding of climate crisis by human beings, new energy sources show a rapid development trend worldwide. The world is looking for new green energy capable of being continuously regenerated, and the new energy is focused by various people, so that the production capacity of the new energy battery is rapidly developed. The new energy generally refers to various forms of energy other than the conventional energy, including solar energy, biomass energy, water energy, wind energy, geothermal energy, wave energy, ocean current energy and tidal energy, thermal cycling between the ocean surface and the deep layer, and the like. Batteries developed based on new energy technology are called new energy batteries.
Currently, the types of common new energy batteries mainly include lithium ion batteries, nickel-hydrogen batteries, fuel cells, lead-acid batteries, super capacitors, sodium-sulfur batteries, solar batteries and the like.
And with the rapid development of new energy battery industry, the requirement on the safety performance of the battery pack is higher and higher, and the safety protection of the battery pack is mainly to set early warning from the temperature, voltage and air pressure threshold indexes, so that the safety of the expansion force of the battery module is not considered, the expansion force of the battery module cannot be monitored in real time, and particularly, the expansion force of the battery in the later life is huge, if the expansion force is not found in time, the safety risks such as fire and explosion are easy to occur, and improvement exists.
Therefore, the embodiment of the utility model provides the battery module, and the pressure sensor 3 is arranged, so that the expansion force of the battery module can be monitored in real time, and the safety of passengers is protected.
An embodiment of a battery module is presented according to fig. 1-5.
The battery module includes a battery string 1, a first terminal plate 2, and a pressure sensor 3.
Specifically, the battery string 1 is formed of a plurality of unit cells arranged in sequence. And preferably, the battery array 1 may be provided in plurality and sequentially arranged, wherein the arrangement direction of the plurality of unit batteries is the length direction of the whole battery module, and the arrangement direction of the plurality of battery arrays 1 is the width direction of the whole battery module.
Specifically, the first end plate 2 is provided at one end of the cell array 1 in the arrangement direction of the unit cells. And preferably, the number of the first end plates 2 is two, and the two first end plates 2 are provided at both ends of the battery string 1 in the length direction in one-to-one correspondence. And preferably the first end plate 2 is provided as an insulator to prevent leakage.
Specifically, the pressure sensor 3 is sandwiched between the first end plate 2 and the battery string 1. And preferably, the first end plate 2 is provided with a first groove 21 toward one end face of the cell line 1 for positioning and fixing the pressure sensor 3. And it is also preferable that the shape of the first recess 21 is square, circular, kidney-shaped or the like, which can be adapted to the shape of the pressure sensor 3 of different shapes. And preferably, the measuring range of the pressure sensor 3 is matched according to actual needs, and the pressure sensor 3 with the measuring range of more than or equal to 3kN can be selected.
According to the embodiment, the pressure sensor 3 is assembled between the first end plate 2 and the battery column 1, and the expansion force of the battery module is monitored in real time by using the pressure sensor 3, so that abnormal expansion of the battery module can be found in time, and the safety of passengers is protected.
Specifically, this battery module still includes ribbon 4, and ribbon 4 winds the circumference outside of locating battery row 1 and first terminal plate 2 for bind first terminal plate 2, pressure sensor 3 and battery row 1 and form an entity. It is known that the battery module is specifically in a strap type structure, wherein the battery array 1, the pressure sensor 3 and the first end plate 2 are stacked in groups along the length direction, a first groove 21 matched with the pressure sensor 3 is further formed in the plane of the first end plate 2, the pressure sensor 3 is assembled between the first end plate 2 and the battery array 1, and the first end plate 2, the pressure sensor 3 and the battery array 1 are bundled into a whole by the strap 4. And, when the pressure sensor 3 is assembled in place, it can be fixed by the positioning of the first recess 21 of the first end plate 2 to prevent the pressure sensor 3 from loosening or dislocating.
And preferably, the plurality of bands 4 are provided, and the plurality of bands 4 are arranged in the height direction of the unit cells. Through setting up a plurality of ribbon 4 to strengthen the holistic joint strength of battery module, prevent that first terminal plate 2, pressure sensor 3 and battery row 1 from loosening. And preferably, the ribbon 4 bundle may be a steel belt sleeved with a heat shrink tube, or may be a nylon belt.
Specifically, the present battery module further includes a second end plate 5, and the second end plate 5 is disposed between the pressure sensor 3 and the battery string 1. It can be seen that, in the battery module, the battery string 1, the second end plate 5, the pressure sensor 3 and the first end plate 2 are stacked in groups along the length direction, the first end plate 2, the pressure sensor 3, the second end plate 5 and the battery string 1 are bundled into a whole by the tie 4, so that the pressure sensor 3 is prevented from being in direct contact with the battery string 1, because the battery string 1 generates heat during the use of the battery string 1, if the pressure sensor 3 is in direct contact with the battery string 1, the high temperature is easily transmitted to the pressure sensor 3, so that the pressure sensor 3 is detected to be misaligned, and therefore, the pressure sensor 3 and the battery string 1 are separated by arranging the second end plate 5. And preferably the second end plate 5 is also provided as an insulator to prevent leakage.
And preferably, an end face of the second end plate 5 facing the first end plate 2 is provided with a second groove for positioning and fixing the pressure sensor 3; the pressure sensor 3 is positioned and fixed between the first recess 21 and the second recess. It is known that the pressure sensor 3 is disposed between the first end plate 2 and the second end plate 5, and a first groove 21 and a second groove are disposed on opposite end surfaces of the first end plate 2 and the second end plate 5, respectively, so that when the pressure sensor 3 is assembled in place, the pressure sensor 3 can be positioned and fixed by the first groove 21 of the first end plate 2 and the second groove of the second end plate 5, so as to prevent the pressure sensor 3 from loosening or dislocating. And it is also preferable that the shape of the second recess is square, circular, kidney-shaped or the like, which can adapt to the shape of the pressure sensor 3 of different shape.
Specifically, the battery module further comprises an acquisition instrument, wherein the acquisition instrument comprises a singlechip 6 and an alarm 7, and the alarm 7 and the singlechip 6 are electrically connected with the singlechip 6; the single-chip microcomputer 6 is internally preset with a fault threshold value, and when the pressure value received by the pressure sensor 3 is larger than the fault threshold value, the alarm 7 sends out an alarm signal. It can be known that, through setting up alarm 7, when pressure sensor 3 detects the inflation anomaly of battery module, the pressure value that pressure sensor 3 received is greater than fault threshold, and alarm 7 can send alarm signal, can real-time supervision electric core module inflation power, in time early warning, protection passenger safety. And preferably, the alarm 7 is a buzzer, and sounds a buzzer in time to remind passengers. The fault threshold preset in the single chip microcomputer 6 is obtained through multiple experiments, and the maximum value of the expansion pressure value received by the pressure sensor 3 during the expansion and normal operation of the battery module is recorded through multiple experiments, and of course, the preset fault threshold should be slightly smaller than the maximum value of the expansion pressure value received by the expansion and normal operation of the battery module.
And preferably, the acquisition instrument further comprises a display 8, and the display 8 is electrically connected with the singlechip 6 and used for displaying the pressure value of the pressure sensor 3. It can be seen that the data of the pressure sensor 3 is read by setting the display 8, and the expansion force of the module is monitored in real time. And also preferably, the display 8 is a liquid crystal display 8.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (8)
1. The battery module, its characterized in that includes:
a battery row (1) formed by a plurality of unit batteries which are arranged in sequence;
a first end plate (2) that is provided at one end of the cell array (1) in the arrangement direction of the single cells;
the pressure sensor (3) is clamped between the first end plate (2) and the battery array (1), wherein a first groove (21) for positioning and fixing the pressure sensor (3) is formed in the first end plate (2) towards one end face of the battery array (1).
2. The battery module according to claim 1, further comprising:
and the binding belt (4) is wound on the circumferential outer sides of the battery column (1) and the first end plate (2) and is used for binding the first end plate (2), the pressure sensor (3) and the battery column (1) to form a whole.
3. The battery module according to claim 1, further comprising:
and a second end plate (5) provided between the pressure sensor (3) and the battery string (1).
4. A battery module according to claim 3, characterized in that an end face of the second end plate (5) facing the first end plate (2) is provided with a second groove for positioning and fixing the pressure sensor (3);
the pressure sensor (3) is positioned and fixed between the first groove (21) and the second groove.
5. The battery module according to claim 2, wherein a plurality of the tie bars (4) are provided, and a plurality of the tie bars (4) are arranged in a height direction of the unit cells.
6. The battery module according to claim 1, further comprising a collection instrument, wherein a single-chip microcomputer (6) and an alarm (7) are arranged in the collection instrument, and the alarm (7) and the single-chip microcomputer (6) are electrically connected to the single-chip microcomputer (6);
the single chip microcomputer (6) is internally preset with a fault threshold value, and when the pressure value received by the pressure sensor (3) is larger than the fault threshold value, the alarm (7) sends out an alarm signal.
7. The battery module according to claim 6, wherein the acquisition instrument further comprises a display (8), and the display (8) is electrically connected with the single-chip microcomputer (6) for displaying the pressure value of the pressure sensor (3).
8. The battery module according to claim 4, wherein the shape of the first groove (21) and/or the second groove is provided as a square, a circle, or a kidney shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147426.4U CN219843016U (en) | 2023-02-02 | 2023-02-02 | battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147426.4U CN219843016U (en) | 2023-02-02 | 2023-02-02 | battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219843016U true CN219843016U (en) | 2023-10-17 |
Family
ID=88303377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320147426.4U Active CN219843016U (en) | 2023-02-02 | 2023-02-02 | battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219843016U (en) |
-
2023
- 2023-02-02 CN CN202320147426.4U patent/CN219843016U/en active Active
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