CN219829978U - Lithium battery state monitoring device - Google Patents
Lithium battery state monitoring device Download PDFInfo
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- CN219829978U CN219829978U CN202321368220.0U CN202321368220U CN219829978U CN 219829978 U CN219829978 U CN 219829978U CN 202321368220 U CN202321368220 U CN 202321368220U CN 219829978 U CN219829978 U CN 219829978U
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- Prior art keywords
- battery
- monitoring device
- temperature sensor
- sliding
- sliding plate
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 27
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000013459 approach Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a lithium battery state monitoring device which comprises a monitoring assembly, wherein the monitoring assembly comprises a U-shaped plate, four first temperature sensors, two connecting columns, a pressure sensor, a heat radiation port, four limit sleeves, a sliding plate, four sliding columns, a box cover and a second temperature sensor; the two first temperature sensors are symmetrically embedded in the U-shaped plate. According to the utility model, the temperatures of the side edges and the top of the battery pack are monitored in real time through the first temperature sensor and the second temperature sensor, when the temperature of the battery pack exceeds a rated value, the controller sends an alarm signal, when the battery pack bulges, the two sides of the battery pack expand, the sliding plate and the U-shaped plate are pushed and approach each other, the pressure sensor sends signals to the controller, and the controller can send an alarm signal to monitor the bulge of the battery pack so as to replace the bulged battery pack in time.
Description
Technical Field
The utility model relates to a monitoring device, in particular to a lithium battery state monitoring device, and belongs to the technical field of lithium battery state monitoring.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. With the development of science and technology, lithium batteries have become the mainstream. Lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium ion batteries. At present, lithium batteries are gradually expanded to the fields of electric bicycles, electric automobiles and the like.
The lithium battery in the electric automobile is composed of a plurality of battery units, the state of the lithium battery needs to be monitored in the use process so as to ensure the normal running of the electric automobile, a temperature monitoring circuit is added on a battery protection board, when the temperature is higher than a certain threshold value, a warning or automatic power-off is sent to a user, but the lithium ion batteries of the existing electric automobile are used in series, so that more capacitors can be provided, when the charging voltage of the series batteries is too high and the charging current is too high, poor gas recombination in the batteries can be caused, so that the swelling situation of the lithium ion batteries occurs, and the traditional monitoring method cannot monitor the swelling situation of the lithium batteries.
Disclosure of Invention
In view of the foregoing, the present utility model provides a lithium battery state monitoring device to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial choice.
The technical scheme of the embodiment of the utility model is realized as follows: the lithium battery state monitoring device comprises a monitoring assembly, wherein the monitoring assembly comprises a U-shaped plate, four first temperature sensors, two connecting columns, a pressure sensor, a heat radiation port, four limit sleeves, a sliding plate, four sliding columns, a box cover and a second temperature sensor;
two first temperature sensor symmetry scarf joint in the inside of U template, another two first temperature sensor symmetry scarf joint in the inside of sliding plate, pressure sensor's one end fixed connection in the inside wall of U template, the thermovent set up in the inside of sliding plate with the inside of U template, four sliding column symmetry fixed connection in the sliding plate is close to one side of U template, four spacing sleeve symmetry fixed connection in the inside wall of U template, two the bottom symmetry fixed connection of spliced pole in the upper surface of U template, second temperature sensor equidistance install in the lower surface of case lid.
Further preferably, the other end of the pressure sensor is fixedly connected to one side, close to the U-shaped plate, of the sliding plate, and the sliding column is slidably connected to the inner side wall of the limit sleeve.
Further preferably, the top end of the connecting post is fixedly connected to the lower surface of the case cover.
Further preferably, the upper surface of the sliding plate is slidably connected to the inner top wall of the U-shaped plate, and the lower surface of the sliding plate is slidably connected to the inner bottom wall of the U-shaped plate.
Further preferably, a main body assembly is mounted on the lower surface of the box cover, and the main body assembly comprises a battery box, a controller, a wire holder, a battery pack and a battery partition plate;
the lower surface joint of case lid in the upper surface of battery box.
Further preferably, the battery separator is fixedly connected to the inner side wall of the battery box at equal intervals, the battery packs are mounted in the battery box at equal intervals, two adjacent battery packs are located on two sides of the battery separator, and the lower surface of the U-shaped plate is attached to the upper surface of the battery separator.
Further preferably, the sides of the U-shaped plate and the sliding plate, which are far away from each other, are respectively attached to adjacent surfaces of two adjacent battery packs, and the position of the second temperature sensor corresponds to the position of the battery pack.
Further preferably, the controller and the wire holder are both mounted on one side of the battery box.
By adopting the technical scheme, the embodiment of the utility model has the following advantages: according to the utility model, the temperatures of the side edge and the top of the battery pack are monitored in real time through the first temperature sensor and the second temperature sensor, when the temperature of the battery pack exceeds a rated value, the controller sends an alarm signal, when the battery pack bulges, the two sides of the battery pack expand, the sliding plate and the U-shaped plate are pushed to be close to each other, at the moment, the sliding plate slides in the U-shaped plate through the sliding column, meanwhile, the pressure sensor is stressed, a signal can be sent to the controller through the pressure sensor, and the controller can send the alarm signal, so that the bulge of the battery pack is monitored, and the bulged battery pack can be replaced in time.
The foregoing summary is for the purpose of the specification only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present utility model will become apparent by reference to the drawings and the following detailed description.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a schematic view of the U-shaped board mounting location of the present utility model;
FIG. 3 is a schematic view of the connection of the U-shaped plate and the sliding plate of the present utility model;
FIG. 4 is a block diagram of a battery separator according to the present utility model;
FIG. 5 is a block diagram of a U-shaped plate of the present utility model;
FIG. 6 is a block diagram of a slide plate according to the present utility model;
fig. 7 is a block diagram of a monitoring assembly of the present utility model.
Reference numerals: 101. a monitoring component; 11. a U-shaped plate; 12. a first temperature sensor; 14. a connecting column; 15. a pressure sensor; 16. a heat radiation port; 17. a limit sleeve; 18. a sliding plate; 19. a sliding column; 20. a case cover; 21. a second temperature sensor; 301. a body assembly; 31. a battery box; 32. a controller; 33. a wire holder; 34. a battery pack; 35. a battery separator.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 7, an embodiment of the present utility model provides a lithium battery state monitoring device, which includes a monitoring assembly 101, wherein the monitoring assembly 101 includes a U-shaped board 11, four first temperature sensors 12, two connecting columns 14, a pressure sensor 15, a heat dissipation port 16, four limit sleeves 17, a sliding board 18, four sliding columns 19, a case cover 20 and a second temperature sensor 21;
two first temperature sensor 12 symmetry scarf joint in the inside of U template 11, another two first temperature sensor 12 symmetry scarf joint in the inside of sliding plate 18, the one end fixed connection of pressure sensor 15 is in the inside wall of U template 11, thermovent 16 is seted up in the inside of sliding plate 18 and the inside of U template 11, four sliding column 19 symmetry fixed connection is in the one side that sliding plate 18 is close to U template 11, four spacing sleeve 17 symmetry fixed connection is in the inside wall of U template 11, the bottom symmetry fixed connection of two spliced pole 14 is in the upper surface of U template 11, the lower surface in case lid 20 is installed to the equidistance of second temperature sensor 21.
In one embodiment, the other end of the pressure sensor 15 is fixedly connected to one side of the sliding plate 18 close to the U-shaped plate 11, the sliding column 19 is slidably connected to the inner side wall of the limit sleeve 17, the top end of the connecting column 14 is fixedly connected to the lower surface of the box cover 20, the upper surface of the sliding plate 18 is slidably connected to the inner top wall of the U-shaped plate 11, the lower surface of the sliding plate 18 is slidably connected to the inner bottom wall of the U-shaped plate 11, when the battery pack 34 bulges, the two sides of the battery pack 34 expand, the sliding plate 18 and the U-shaped plate 11 are pushed to approach each other, at the moment, the sliding plate 18 slides in the U-shaped plate 11 through the sliding column 19, the pressure sensor 15 is stressed, a signal is sent to the controller 32 through the pressure sensor 15, the controller 32 sends an alarm signal, the bulge condition of the battery pack 34 is monitored, and at the same time, the first temperature sensor 12 can monitor the side temperature of the battery pack 34 in real time, and when the temperature of the battery pack 34 exceeds a rated value, the controller 32 sends the alarm signal.
In one embodiment, a main body assembly 301 is mounted on the lower surface of the case cover 20, and the main body assembly 301 includes a battery case 31, a controller 32, a wire holder 33, a battery pack 34, and a battery separator 35;
the lower surface joint of case lid 20 is in the upper surface of battery box 31, and battery baffle 35 equidistance fixed connection is in the inside wall of battery box 31, and battery package 34 equidistance is installed in the inside of battery box 31, and two adjacent battery packages 34 are located the both sides of a battery baffle 35, and the lower surface laminating of U template 11 is in the upper surface of battery baffle 35, and then can conveniently independently install battery package 34 through battery baffle 35, avoids two adjacent battery packages 34 direct contact.
In one embodiment, the sides of the U-shaped board 11 and the sliding board 18 away from each other are respectively attached to the adjacent surfaces of the two adjacent battery packs 34, and the position of the second temperature sensor 21 corresponds to the position of the battery pack 34, so that the top temperature of the battery pack 34 can be monitored in real time through the second temperature sensor 21.
In one embodiment, the controller 32 and the wire holder 33 are both installed on one side of the battery box 31, the electrical output end of the controller 32 is electrically connected to the electrical input ends of the first temperature sensor 12, the pressure sensor 15 and the second temperature sensor 21, and the electrical input end of the controller 32 is connected to the electrical output end of the wire holder 33 for supplying power to the first temperature sensor 12, the pressure sensor 15 and the second temperature sensor 21, and the signal output ends of the first temperature sensor 12, the pressure sensor 15 and the second temperature sensor 21 are all communicated with the signal input end of the controller 32.
In the present utility model, the model of the controller 32 is: the model of the first temperature sensor 12 is OHR-PR 10: KG-D, model number of the pressure sensor 15 is: ZLLF, model number of the second temperature sensor 21 is: IR22.
The utility model works when in work: the battery pack 34 is installed in the battery box 31, two adjacent battery packs 34 can be separated through the battery partition 35, then the box cover 20 is covered, at the moment, the U-shaped plate 11 and the sliding plate 18 are respectively attached to the two adjacent battery packs 34, heat generated when the battery packs 34 work is conveniently dissipated through the heat dissipation ports 16, when the battery packs 34 are in a bulge condition, the two sides of the battery packs 34 expand, the sliding plate 18 and the U-shaped plate 11 are pushed to be close to each other, at the moment, the sliding plate 18 slides in the U-shaped plate 11 through the sliding column 19, meanwhile, the pressure sensor 15 is stressed, a signal can be sent to the controller 32 through the pressure sensor 15, the controller 32 sends an alarm signal, further the bulge condition of the battery packs 34 is monitored, at the same time, the side temperature of the battery packs 34 can be monitored in real time through the first temperature sensor 12, the temperature at the top of the battery packs 34 can be monitored in real time through the second temperature sensor 21, and when the temperature of the battery packs 34 exceeds a rated value, the first temperature sensor 12 and the second temperature sensor 21 send the signal to the controller 32.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that various changes and substitutions are possible within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (8)
1. A lithium battery state monitoring device, comprising a monitoring assembly (101), characterized in that: the monitoring assembly (101) comprises a U-shaped plate (11), four first temperature sensors (12), two connecting columns (14), a pressure sensor (15), a heat radiation port (16), four limit sleeves (17), a sliding plate (18), four sliding columns (19), a box cover (20) and a second temperature sensor (21);
two first temperature sensor (12) symmetry scarf joint in the inside of U template (11), two other first temperature sensor (12) symmetry scarf joint in the inside of sliding plate (18), one end fixed connection of pressure sensor (15) in the inside wall of U template (11), thermovent (16) set up in the inside of sliding plate (18) with the inside of U template (11), four sliding column (19) symmetry fixed connection in sliding plate (18) be close to one side of U template (11), four limit sleeve (17) symmetry fixed connection in the inside wall of U template (11), two the bottom symmetry fixed connection of spliced pole (14) in the upper surface of U template (11), second temperature sensor (21) equidistance install in the lower surface of case lid (20).
2. The lithium battery state monitoring device according to claim 1, wherein: the other end of the pressure sensor (15) is fixedly connected to one side, close to the U-shaped plate (11), of the sliding plate (18), and the sliding column (19) is slidably connected to the inner side wall of the limiting sleeve (17).
3. The lithium battery state monitoring device according to claim 1, wherein: the top end of the connecting column (14) is fixedly connected to the lower surface of the box cover (20).
4. The lithium battery state monitoring device according to claim 2, wherein: the upper surface of the sliding plate (18) is connected with the inner top wall of the U-shaped plate (11) in a sliding mode, and the lower surface of the sliding plate (18) is connected with the inner bottom wall of the U-shaped plate (11) in a sliding mode.
5. A lithium battery condition monitoring device according to claim 3, wherein: the lower surface of the box cover (20) is provided with a main body assembly (301), and the main body assembly (301) comprises a battery box (31), a controller (32), a wire holder (33), a battery pack (34) and a battery separator (35);
the lower surface of the box cover (20) is clamped on the upper surface of the battery box (31).
6. The lithium battery state monitoring device according to claim 5, wherein: the battery separator plates (35) are fixedly connected to the inner side walls of the battery box (31) at equal intervals, the battery packs (34) are installed inside the battery box (31) at equal intervals, two adjacent battery packs (34) are located on two sides of the battery separator plates (35), and the lower surfaces of the U-shaped plates (11) are attached to the upper surfaces of the battery separator plates (35).
7. The lithium battery state monitoring device according to claim 6, wherein: the U-shaped plate (11) and one side, away from the sliding plate (18), of the U-shaped plate are respectively attached to adjacent surfaces of two adjacent battery packs (34), and the position of the second temperature sensor (21) corresponds to the position of the battery pack (34).
8. The lithium battery state monitoring device according to claim 5, wherein: the controller (32) and the wire holder (33) are both arranged on one side of the battery box (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321368220.0U CN219829978U (en) | 2023-05-31 | 2023-05-31 | Lithium battery state monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321368220.0U CN219829978U (en) | 2023-05-31 | 2023-05-31 | Lithium battery state monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219829978U true CN219829978U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321368220.0U Active CN219829978U (en) | 2023-05-31 | 2023-05-31 | Lithium battery state monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219829978U (en) |
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2023
- 2023-05-31 CN CN202321368220.0U patent/CN219829978U/en active Active
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