CN212209690U - Safety monitoring structure of lithium ion battery - Google Patents
Safety monitoring structure of lithium ion battery Download PDFInfo
- Publication number
- CN212209690U CN212209690U CN202021140703.1U CN202021140703U CN212209690U CN 212209690 U CN212209690 U CN 212209690U CN 202021140703 U CN202021140703 U CN 202021140703U CN 212209690 U CN212209690 U CN 212209690U
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- lithium ion
- battery
- clamping position
- safety monitoring
- ion battery
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 118
- 238000012544 monitoring process Methods 0.000 title claims abstract description 49
- 239000000178 monomer Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 206010016766 flatulence Diseases 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007086 side reaction Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The application provides a lithium ion battery safety monitoring structure. The safety monitoring structure of the lithium ion battery comprises a battery box bracket, a battery assembly and a sensor assembly. The battery box support comprises a support body and a plurality of battery mounting boxes, the battery mounting boxes are arranged on the support body, and the inner wall of each battery mounting box is provided with a first clamping position. The battery pack comprises a plurality of single lithium ion batteries, the single lithium ion batteries are arranged in the battery mounting box in a one-to-one correspondence mode, and the outer wall of each single lithium ion battery is provided with a second clamping position. The sensor assembly comprises a plurality of pressure sensors, each pressure sensor is clamped between the first clamping position and the second clamping position in a one-to-one correspondence mode, and one end of a lead of each pressure sensor is exposed outside the battery mounting box. The safety monitoring structure of the lithium ion battery can realize quick feedback of monitoring information and can realize point-to-point monitoring of the single lithium ion battery.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a lithium ion battery safety monitoring structure.
Background
Due to the difference of the manufacturing process, some side reactions may occur in the conventional lithium ion battery when used at a later stage, and the side reactions may be manifested as increased thickness or flatulence, and even may cause explosion, which seriously affects the product safety. Therefore, the lithium ion battery needs to be monitored in real time and can be fed back in time to avoid accidents, and the conventional method is not sensitive enough to a monitoring and management system of the voltage or the temperature of the lithium ion battery and the like and cannot give an alarm in time, so that the lithium ion battery still has great potential safety hazard in the use process. In addition, in the new energy battery, the battery pack contains a plurality of single lithium ion batteries, and after a problem occurs, the problem cannot be clearly known on which single lithium ion battery or single lithium ion batteries, the new energy battery is connected with external monitoring equipment to screen out the problem battery point to point, a large amount of time and energy are needed, and more situations are that the new energy battery is directly abandoned after the problem occurs, so that great waste is caused, and the environment is polluted by a large amount of abandoned lithium ion batteries.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing one kind and can feed back monitoring information fast to can realize the lithium ion battery safety monitoring structure of point-to-point monitoring.
The purpose of the utility model is realized through the following technical scheme:
a lithium ion battery safety monitoring structure, comprising:
the battery box support comprises a support body and a plurality of battery mounting boxes, the battery mounting boxes are arranged on the support body, and the inner wall of each battery mounting box is provided with a first clamping position;
the battery assembly comprises a plurality of single lithium ion batteries, the single lithium ion batteries are correspondingly arranged in the battery mounting box one by one, and the outer wall of each single lithium ion battery is provided with a second clamping position; and
the sensor assembly comprises a plurality of pressure sensors, each pressure sensor is clamped between the first clamping position and the second clamping position in a one-to-one correspondence mode, and one end of a lead of each pressure sensor is exposed outside the battery mounting box.
In one embodiment, the sensor assembly further comprises a plurality of temperature sensors;
the inner wall of each battery mounting box is provided with a third clamping position;
the outer wall of each single lithium ion battery is provided with a fourth clamping position; and
and each temperature sensor is clamped between the third clamping position and the fourth clamping position in a one-to-one correspondence manner.
In one embodiment, a plurality of second clamping grooves are further formed in the inner wall of each battery mounting box, and the second clamping grooves are formed in the third clamping positions.
In one embodiment, one end of the lead of the temperature sensor is exposed outside the battery mounting case.
In one embodiment, the bracket body comprises a bottom plate, an outer frame, a net frame and a cover plate, wherein the outer frame is respectively arranged on the edge of the bottom plate, the net frame is arranged on the bottom plate, the net frame is positioned in the outer frame and connected with the outer frame, each independent space in the net frame is used for respectively arranging the battery mounting boxes, and the cover plate is used for covering the outer frame.
In one embodiment, the bottom plate, the net rack and the outer frame are of an integrally formed structure.
In one embodiment, the bracket body and the battery mounting boxes are of an integrally formed structure.
In one embodiment, each single lithium ion battery comprises a battery cell and a casing, the battery cell is encapsulated in the casing, and the second clamping position is arranged on the outer wall of the casing.
In one embodiment, each of the single lithium ion batteries is a square battery, and the second clamping position is arranged at the central geometry of one side surface of the square battery.
In one embodiment, a plurality of first clamping grooves are formed in the inner wall of each battery mounting box, and the first clamping grooves are formed in the first clamping positions.
Compared with the prior art, the utility model discloses at least, following advantage has:
the utility model discloses be provided with a plurality of pressure sensor in the lithium ion battery safety monitoring structure, but the health condition of monitoring battery. The pressure sensors are arranged in one-to-one correspondence with the single lithium ion batteries in the battery pack, and the pressure sensors are abutted against the single lithium ion batteries, so that point-to-point quick information feedback can be realized, and time is strived for emergency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a safety monitoring structure of a lithium ion battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a single lithium ion battery in the safety monitoring structure of the lithium ion battery shown in fig. 1;
fig. 3 is another schematic structural diagram of a single lithium ion battery in the safety monitoring structure of the lithium ion battery shown in fig. 1;
fig. 4 is a sectional view taken along line a-a' of the safety monitoring structure of the lithium ion battery shown in fig. 1.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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 an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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.
The application provides a lithium ion battery safety monitoring structure. The lithium ion battery safety monitoring structure comprises a battery box support, a battery assembly and a sensor assembly. The battery box support comprises a support body and a plurality of battery mounting boxes, the battery mounting boxes are arranged on the support body, and the inner wall of each battery mounting box is provided with a first clamping position. The battery pack comprises a plurality of single lithium ion batteries, the single lithium ion batteries are arranged in the battery mounting box in a one-to-one correspondence mode, and the outer wall of each single lithium ion battery is provided with a second clamping position. The sensor assembly comprises a plurality of pressure sensors, each pressure sensor is clamped between the first clamping position and the second clamping position in a one-to-one correspondence mode, and one end of a lead of each pressure sensor is exposed outside the battery mounting box.
The safety monitoring structure of the lithium ion battery is provided with the pressure sensors, so that the health state of the battery can be monitored. Pressure sensor and each monomer lithium ion battery one-to-one sets up to pressure sensor directly sets up between monomer lithium ion battery and support body, and monomer lithium ion battery and support body all offset with pressure sensor, when monomer lithium ion battery takes place the inflation, can be fast point-to-point feedback information, strive for the time for the emergency.
Referring to fig. 1, the lithium ion battery of the present application includes a battery case support 100, a battery assembly, and a sensor assembly. The battery box support 100 is a rectangular support, the rectangular support is divided into a plurality of rectangular grooves, the rectangular grooves and the rectangular support jointly form a plurality of battery mounting boxes 120, and a plurality of single lithium ion batteries 210 in the battery assembly are mounted in the battery mounting boxes 120 in a one-to-one correspondence manner. The inner wall of each battery mounting box 120 is provided with a first clamping position 1131, the outer wall of each single lithium ion battery 210 is provided with a second clamping position 211, a plurality of pressure sensors in the sensor assembly are clamped between the first clamping position 1131 and the second clamping position 211 in a one-to-one correspondence manner, and one ends of the wires of the pressure sensors are exposed out of the battery mounting box 120.
The utility model discloses be provided with a plurality of pressure sensor in the lithium ion battery safety monitoring structure, but the health condition of monitoring battery. The pressure sensors are arranged in one-to-one correspondence with the single lithium ion batteries 210, the pressure sensors are directly arranged between the single lithium ion batteries 210 and the support body 110, the single lithium ion batteries 210 and the support body 110 are both abutted against the pressure sensors, the monitoring precision and the timeliness of the pressure sensors are improved, the pressure sensors are favorable for timely processing the single lithium ion batteries 210 which are inflated, and the use safety of the lithium ion batteries is effectively improved. When the single lithium ion battery 210 expands, information can be fed back quickly point to point, and real-time monitoring of each single lithium ion battery 210 is achieved, so that the single lithium ion battery 210 with expansion faults can be found quickly during maintenance, and time is won for emergency maintenance.
In one embodiment, the sensor assembly further comprises a number of temperature sensors. The inner wall of each battery mounting case 120 has a third clamping position. The outer wall of each single lithium ion battery 210 has a fourth clamping position. Each temperature sensor is clamped between the third clamping position and the fourth clamping position in a one-to-one correspondence mode. Pressure sensor and temperature sensor all set up between the inner wall of monomer lithium ion battery 210 and battery mounting box 120, when the lithium ion battery safety inspection structure is connected with outside check out test set, can mutually support and promote or complementary to make outside check out test set can synthesize the information of pressure sensor and temperature sensor input, the safety condition of comprehensive monitoring monomer lithium ion battery 210, effectively improve lithium ion battery's safety monitoring accuracy.
The pressure sensor is interposed between the single lithium ion battery 210 and the inner wall of the battery mounting case 120, wherein the temperature sensor may be interposed between the single lithium ion battery 210 and the inner wall of the battery mounting case 120 or closely attached to the surface of the single lithium ion battery 210.
In this embodiment, the temperature sensor is attached to the single lithium ion battery 210, so that the temperature of the single lithium ion battery 210 can be rapidly measured. The present invention is not limited to whether the temperature sensor is interposed between the ion battery and the inner wall of the battery mounting case 120 or is closely attached to the surface of the single lithium ion battery 210. Utility model wherein, the temperature of the monomer lithium ion battery 210 of survey is the temperature of the electrolyte in the monomer lithium ion battery 210 or the temperature on monomer lithium ion battery 210 surface etc, utility model discloses whether rise temperature and rise gas appear in order to judge monomer lithium ion battery 210.
In one embodiment, a plurality of second clamping grooves are further disposed on the inner wall of the battery mounting box 120, and the second clamping grooves are disposed on the third clamping positions. The second clamping groove is used for preventing the temperature sensor from moving. In this embodiment, a second protrusion is protruded from an inner wall of the second clamping groove, and the second protrusion abuts against the temperature sensor. Specifically, the second is protruding to be the boss structure of half crescent shape, sets up the second arch in temperature sensor's below, has improved temperature sensor's clamping stability.
In one embodiment, one end of the lead of the temperature sensor is exposed to the outside of the battery mounting case 120. In this embodiment, one end of the wire of the temperature sensor and the pressure sensor is exposed outside the battery mounting box 120, and one end of the wire of the temperature sensor and the pressure sensor, which is exposed outside the battery mounting box 120, is electrically connected with the external detection device, which is beneficial to the connection of the safety monitoring structure of the lithium ion battery and the external detection device, so as to monitor the single lithium ion battery 210 by the point pair.
In one embodiment, referring to fig. 2 and 3, the bracket body 110 includes a bottom plate 111, a rack 113, an outer frame 114, and a cover plate 112. The outer frames 114 are respectively disposed on the edges of the bottom plate 111. The rack 113 is disposed on the bottom plate 111. The rack 113 is positioned within the frame 114 and is connected to the frame 114. Each of the independent spaces in the rack 113 is used to install the battery mounting boxes 120, respectively. The cover plate 112 is used to cover the outer frame 114. The outer frame 114 is sleeved outside the grid frame 113, the outer frame 114 and the grid frame 113 are integrally placed on the bottom plate 111, the cover plate 112 is fixed on the outer frame 114 after the single-body lithium ion battery 210, the pressure sensor and the temperature sensor are installed, the safety monitoring structure of the lithium ion battery is assembled, and in addition, one end of a lead of the pressure sensor and one end of a lead of the temperature sensor need to be exposed outside the battery installation box 120. Therefore, the single lithium ion batteries 210 can be separately placed, the pressure of the single lithium ion batteries 210 in the battery assembly can be conveniently measured point to point by the pressure sensor, point to point monitoring is realized, and the problem on which single lithium ion battery 210 can be clearly known after the problem occurs.
It should be noted that, the outer frame 114 separately places the plurality of single lithium ion batteries 210, the plurality of single lithium ion batteries 210 after being separated are connected in parallel, and the outer shell of the single lithium ion battery 210 is a soft outer shell, and when a side reaction of flatulence occurs in later use of the lithium ion battery, the soft outer shell can be rapidly swelled along with the flatulence. The pressure sensor is used for sensing the pressure change of the single lithium ion battery 210. When the lithium ion battery bulges to a certain degree, namely the pressure sensor senses that the bulging pressure of the battery reaches a preset threshold value, the external monitoring equipment can immediately send out an alarm, and the monitoring sensitivity of the safety monitoring structure of the lithium ion battery is improved.
It should be further explained that the rack 113 has a plurality of independent spaces therein, and the inner wall of each independent space is the inner wall of the rack body 110, that is, the inner wall of the rack 113 is the inner wall of the rack body 110. The inner wall of each independent space is attached to the outer wall of the battery mounting case 120. An accommodating cavity is formed in the battery mounting box 120, the inner wall of the cavity of the accommodating cavity is the inner wall of the battery mounting box 120, and each single lithium ion battery 210 is located in the accommodating cavity.
In one embodiment, the bottom plate 111, the net frame 113 and the outer frame 114 are integrally formed, so that the structural stability of the bracket body 110 is effectively improved, the bracket body 110 is easy to machine and form, and the bracket body 110 is more compact.
In one embodiment, the bracket body 110 and the battery mounting boxes 120 are integrally formed, which effectively improves the connection stability between the bracket body 110 and the battery mounting boxes 120, and makes the bracket body 110 and the battery mounting boxes 120 easy to machine and form, and makes the structure formed by the bracket body 110 and the battery mounting boxes 120 more compact.
Referring to fig. 1 to 3, in one embodiment, the single lithium ion battery 210 includes a battery cell and a casing, the battery cell is encapsulated in the casing, and the second clamping position 211 is disposed on an outer wall of the casing. Each single lithium ion battery is installed in the battery installation box in a one-to-one correspondence manner, and the first clamping position 1131 on the inner wall of the battery installation box 120 and the second clamping position 211 on the outer wall of the shell of the single lithium ion battery 210 are matched with the clamping pressure sensor, so that the pressure sensor is abutted to the single lithium ion battery 210. The pressure sensor outputs real-time pressure signals to external monitoring equipment in a point-to-point manner, so that the point-to-point monitoring of the single lithium ion battery 210 is realized.
In one embodiment, referring to fig. 4, the single lithium ion battery 210 is a square battery, and the second clamping position 211 is disposed at a central geometry of a side surface of the square battery. The pressure sensor abuts against the second clamping position 211, that is, the pressure sensor abuts against the central geometric position of the side wall of the housing of the single lithium ion battery 210. The central geometric position is the position where the swelling of the shell of the single lithium ion battery 210 occurs first, and the pressure sensor is arranged at the central geometric position, so that the pressure sensor can rapidly monitor the swelling of the single lithium ion battery 210, and the monitoring sensitivity of the pressure sensor is effectively improved.
It should be noted that the pressure sensor is disposed on the second clamping position 211. Referring to fig. 3, the second clamping position 211 is a central geometric area of the single lithium ion battery 210, the central geometric area is an area near an intersection of diagonal lines of the single lithium ion battery 210, that is, an area near the center, and the area near the center can be understood as a geometric center of the single lithium ion battery 210. In the present embodiment, the geometric center portion is a geometric surface with a predetermined radius or side length at the center of the outer wall of the single lithium ion battery 210 casing, and specifically, the central geometric portion is a circular geometric surface at the center of the single lithium ion battery 210 casing.
In one embodiment, referring to fig. 2 and 3, a plurality of first clamping grooves are disposed on an inner wall of each battery mounting box, and the first clamping grooves are disposed on the first clamping positions. The first clamping portion 1131 has a plurality of first clamping grooves. First centre gripping groove is used for preventing that pressure sensor from taking place to remove, and the inner wall epirelief in first centre gripping groove is equipped with first arch 1132, first arch 1132 and pressure sensor butt. In this embodiment, the first protrusion 1132 is a half-crescent-shaped boss structure, and the first protrusion is disposed below the pressure sensor, so that the clamping stability of the pressure sensor is improved.
In one embodiment, the stent body 110 is an aluminum stent body. Because the aluminum bracket body has better ageing resistance and excellent flame retardance and corrosion resistance, the service life and the safety of the safety monitoring structure of the lithium ion battery can be effectively prolonged.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A lithium ion battery safety monitoring structure, comprising:
the battery box support comprises a support body and a plurality of battery mounting boxes, the battery mounting boxes are arranged on the support body, and the inner wall of each battery mounting box is provided with a first clamping position;
the battery assembly comprises a plurality of single lithium ion batteries, the single lithium ion batteries are correspondingly arranged in the battery mounting box one by one, and the outer wall of each single lithium ion battery is provided with a second clamping position; and
the sensor assembly comprises a plurality of pressure sensors, each pressure sensor is clamped between the first clamping position and the second clamping position in a one-to-one correspondence mode, and one end of a lead of each pressure sensor is exposed outside the battery mounting box.
2. The lithium ion battery safety monitoring structure of claim 1, wherein the sensor assembly further comprises a number of temperature sensors;
the inner wall of each battery mounting box is provided with a third clamping position;
the outer wall of each single lithium ion battery is provided with a fourth clamping position; and
and each temperature sensor is clamped between the third clamping position and the fourth clamping position in a one-to-one correspondence manner.
3. The safety monitoring structure for lithium ion batteries according to claim 2, wherein a plurality of second clamping grooves are further formed in the inner wall of each battery mounting box, and the second clamping grooves are formed in the third clamping positions.
4. The safety monitoring structure for the lithium ion battery according to claim 2, wherein one end of the lead of the temperature sensor is exposed outside the battery mounting box.
5. The safety monitoring structure for the lithium ion battery according to claim 1, wherein the bracket body comprises a bottom plate, an outer frame, a net rack and a cover plate, the outer frame is respectively disposed on the edges of the bottom plate, the net rack is disposed on the bottom plate, the net rack is located in the outer frame and connected with the outer frame, each independent space in the net rack is used for respectively disposing the battery mounting boxes, and the cover plate is used for covering the outer frame.
6. The safety monitoring structure for lithium ion batteries according to claim 5, wherein the bottom plate, the net rack and the outer frame are of an integrally formed structure.
7. The safety monitoring structure for the lithium ion battery according to claim 5, wherein the bracket body and the battery mounting boxes are integrally formed.
8. The safety monitoring structure for lithium ion batteries according to claim 1, wherein each of the individual lithium ion batteries comprises a battery cell and a housing, the battery cell is encapsulated in the housing, and the second clamping position is disposed on an outer wall of the housing.
9. The safety monitoring structure for lithium ion batteries according to claim 1, wherein each of the single lithium ion batteries is a square battery, and the second clamping position is disposed at a central geometry of a side surface of the square battery.
10. The safety monitoring structure for the lithium ion batteries according to any one of claims 1 to 9, wherein a plurality of first clamping grooves are arranged on the inner wall of each battery mounting box, and the first clamping grooves are arranged on the first clamping positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021140703.1U CN212209690U (en) | 2020-06-18 | 2020-06-18 | Safety monitoring structure of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021140703.1U CN212209690U (en) | 2020-06-18 | 2020-06-18 | Safety monitoring structure of lithium ion battery |
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| Publication Number | Publication Date |
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| CN212209690U true CN212209690U (en) | 2020-12-22 |
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| CN202021140703.1U Active CN212209690U (en) | 2020-06-18 | 2020-06-18 | Safety monitoring structure of lithium ion battery |
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| CN (1) | CN212209690U (en) |
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Denomination of utility model: Safety monitoring structure for lithium-ion batteries Effective date of registration: 20230721 Granted publication date: 20201222 Pledgee: Meixian Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: MEIZHOU LIANGNENG NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2023980049324 |