CN108448026B - Novel battery pack insulating partition plate structure - Google Patents
Novel battery pack insulating partition plate structure Download PDFInfo
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- CN108448026B CN108448026B CN201810554259.9A CN201810554259A CN108448026B CN 108448026 B CN108448026 B CN 108448026B CN 201810554259 A CN201810554259 A CN 201810554259A CN 108448026 B CN108448026 B CN 108448026B
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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
- H01M50/572—Means for preventing undesired use or discharge
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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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- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
A novel battery pack insulating partition plate structure belongs to the technical field of insulating partition plates, and particularly relates to a novel battery pack insulating partition plate structure. The invention provides a novel battery pack insulating partition plate structure convenient to assemble. The invention comprises a horizontal upper insulating partition plate and a peripheral insulating partition plate with an open upper end, and is structurally characterized in that the upper insulating partition plate is arranged at the upper end of the peripheral insulating partition plate, a vertical lower longitudinal insulating partition plate and a lower transverse insulating partition plate are inserted at the lower end of the upper insulating partition plate, the lower ends of the lower longitudinal insulating partition plate and the lower transverse insulating partition plate are connected with a bottom plate of the peripheral insulating partition plate, the lower longitudinal insulating partition plate and the lower transverse insulating partition plate are divided into a plurality of equal isolation areas, and a battery terminal exposing port is arranged on the upper insulating partition plate corresponding to the isolation areas.
Description
Technical Field
The invention belongs to the technical field of insulating partition plates, and particularly relates to a novel battery pack insulating partition plate structure.
Background
With the development of society and the progress of science and technology, the demand for new energy is increasing, and the design of multi-purpose, multi-field and multi-functional PACK battery PACK is updated year by year. The application of the current PACK battery PACK is mainly concentrated in the fields of automobile energy power, equipment standby emergency, energy storage and the like, and is closely related to people's life, science and technology and industrial development, so that how to optimize the assembly design of the PACK battery PACK and ensure the use safety of the PACK battery PACK are particularly important.
The battery pack is characterized in that internal single batteries are connected in series and parallel, connection of positive and negative electrodes among the single batteries is realized by connecting sheets or other connecting devices, and the number of the single batteries connected in series and parallel is determined according to the requirements of battery capacity, power and the like. In the assembly process, the batteries are required to be insulated and isolated, so that the problem of short circuit of the batteries is effectively prevented.
Disclosure of Invention
The invention aims at the problems and provides a novel battery pack insulating partition plate structure convenient to assemble.
The upper insulating partition board is arranged at the upper end of the peripheral insulating partition board, the lower end of the upper insulating partition board is inserted with a vertical lower longitudinal insulating partition board and a lower transverse insulating partition board, the lower ends of the lower longitudinal insulating partition board and the lower transverse insulating partition board are connected with a bottom plate of the peripheral insulating partition board, the lower longitudinal insulating partition board and the lower transverse insulating partition board are divided into a plurality of equal isolation areas, and the upper insulating partition board is provided with a battery terminal exposing port corresponding to the isolation areas.
As a preferable scheme, the side wall of the peripheral insulating partition frame is provided with a hollowed-out opening.
As another preferable scheme, the upper insulating partition plate, the lower longitudinal insulating partition plate and the lower transverse insulating partition plate are rectangular partition plates, and the peripheral insulating partition frame is a cuboid frame; four sides of the upper insulating partition board are connected with four inner walls of the peripheral insulating partition frame, the lower transverse insulating partition board is correspondingly arranged in the middle of the upper insulating partition board in the length direction of the upper insulating partition board, and the lower longitudinal insulating partition board is correspondingly intersected with the lower transverse insulating partition board in the width direction of the upper insulating partition board.
As another preferable scheme, the number of the lower longitudinal insulating partition plates is three, and the lower longitudinal insulating partition plates are uniformly distributed along the length direction of the upper insulating partition plates.
As another preferable scheme, the upper ends of the lower transverse insulating partition plates and the lower longitudinal insulating partition plates are respectively provided with rectangular plugs which protrude upwards, have the same thickness as the insulating partition plates and are on the same plane, and the upper insulating partition plates are provided with sockets corresponding to the rectangular plugs; the non-rectangular plug part at the upper end of the lower transverse insulating partition plate is provided with a vertical strip-shaped upper slot, and the middle part of the lower end of the lower longitudinal insulating partition plate is provided with a vertical strip-shaped lower slot corresponding to the vertical strip-shaped upper slot.
As another preferable scheme, the battery terminal exposing opening at one end of the upper insulating partition plate in the length direction is a rectangular battery terminal exposing opening, two ends of the rectangular battery terminal exposing opening in the length direction extend to be equidistantly close to the end of the upper insulating partition plate in the width direction, and the length direction of the rectangular battery terminal exposing opening is perpendicular to the length direction of the upper insulating partition plate; the battery terminal exposing ports at the other end of the length direction of the upper insulating partition plate are two rectangular battery terminal exposing ports with equal size, the two rectangular battery terminal exposing ports with equal size are symmetrically arranged at two sides of the long shaft of the upper insulating partition plate, the long shafts of the two rectangular battery terminal exposing ports with equal size are perpendicular to the long shaft of the upper insulating partition plate, and the distance between the outer ends of the two rectangular battery terminal exposing ports with equal size and the long sides corresponding to the upper insulating partition plate is equal to the distance between the end part of the length direction of the rectangular battery terminal exposing port and the long sides corresponding to the upper insulating partition plate;
the battery terminal exposing ports between the battery terminal exposing ports at the two ends of the upper insulating partition plate in the length direction are concave group openings, each concave group opening comprises a front concave opening and a rear concave opening which are in the same direction in the same size, the front concave opening and the rear concave opening are uniformly arranged along the width direction of the upper insulating partition plate, the center line of each front concave opening and the center line of each rear concave opening are overlapped and are perpendicular to the long axis of the upper insulating partition plate, the distance between the front end of each front concave opening and the long edge of the adjacent upper insulating partition plate, the distance between the rear end of each rear concave opening and the long edge of the adjacent upper insulating partition plate are equal, and the distance between the end of each rectangular battery terminal exposing port in the length direction and the corresponding long edge of the upper insulating partition plate are equal; the nearest distance between the front concave-shaped opening and the rear concave-shaped opening is equal to the distance between the two rectangular battery terminal exposing openings with the same size;
the concave part of the concave opening is provided with a socket corresponding to the rectangular plug at the upper end of the lower longitudinal insulating partition plate, and the socket is arranged in the center of the concave part; the horizontal projection of the socket corresponding to the rectangular plug at the upper end of the lower transverse insulating partition plate is overlapped with the horizontal projection part of the concave opening and is arranged at the side part of the concave opening.
As another preferable scheme, the number of the openings of the concave groups is three, the openings of the middle concave group correspond to the three lower longitudinal insulating partition boards, and the directions of the openings of the two side concave groups are opposite; the rectangular plugs at the upper end of the lower transverse insulating partition board are four, the rectangular plugs are symmetrically arranged at two sides of the short shaft of the upper insulating partition board, the lengths of the two rectangular plugs close to the middle are larger than those of the two rectangular plugs at two sides, and the transverse center of the longer rectangular plug coincides with the interval center of the longitudinal insulating partition boards at two sides of the longer rectangular plug.
As another preferable scheme, the width of the openings at two sides of the concave-shaped opening, the width of the rectangular battery terminal exposing opening and the width of the two rectangular battery terminal exposing openings with equal sizes are equal.
As another preferable scheme, the four walls of the cuboid frame are respectively provided with a hollowed-out opening, the hollowed-out openings on the opposite side walls are symmetrically arranged and are arranged in the middle of the side walls, and the shape of each hollowed-out opening corresponds to the shape of the side wall where the hollowed-out opening is positioned.
Secondly, the middle parts of the upper ends of the side walls at the two ends of the cuboid frame in the length direction are provided with transverse rectangular notches, the length of each rectangular notch is larger than the width of the corresponding side wall hollowed-out opening, and the side wall hollowed-out opening is a vertical rectangular hollowed-out opening.
In addition, the thickness of the upper insulating partition plate is 2-3 mm.
The invention has the beneficial effects that.
The components of the invention adopt a splicing and split structure, and the invention has the advantages of easy assembly, convenient disassembly, easy maintenance and low processing cost.
According to the invention, through the matched use of the horizontal upper insulating partition plate, the peripheral insulating partition frame, the lower longitudinal insulating partition plate and the lower transverse insulating partition plate, the short circuit between batteries and the short circuit between the batteries and the outer box can be effectively prevented.
The invention is particularly suitable for insulating isolation of the PACK battery PACK.
Drawings
The invention is further described below with reference to the drawings and the detailed description. The scope of the present invention is not limited to the following description.
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic view of the structure of the peripheral insulating spacer of the present invention.
Fig. 3 is a schematic view of the present invention with the peripheral insulating spacer removed.
Fig. 4 is a schematic view of the connection of the upper insulating barrier to the lower longitudinal insulating barrier and the lower transverse insulating barrier of the present invention.
Fig. 5 is a schematic view showing the connection of the upper insulating spacer and the lower insulating spacer according to the present invention.
Fig. 6 is a schematic view of the structure of the upper insulating spacer of the present invention.
Fig. 7 is a schematic view of the structure of the lower transverse insulating partition of the present invention.
Fig. 8 is a block diagram of the PACK battery 3 connected in parallel 8 in series.
In the figure, 1 is a rectangular notch, 2 and 3 are the positive and negative electrodes of the same battery, 4 is a peripheral insulating partition frame, 5 is a rectangular plug at the upper end of a lower longitudinal insulating partition plate, 6 is an upper insulating partition plate, 7 is a rectangular plug at the upper end of a lower transverse insulating partition plate, 8 is a battery, 9 is a hollowed-out opening, 10 is a hollowed-out opening, 11 is a lower transverse insulating partition plate, 12 is a lower longitudinal insulating partition plate, 13 is two rectangular battery terminal exposing openings with equal size, 14 is a concave-shaped opening, 15 is one rectangular battery terminal exposing opening, 16 is a vertical strip-shaped lower slot, 17 is a slot, 18 is a slot and 19 is a vertical strip-shaped upper slot.
Detailed Description
As shown in the figure, the invention comprises a horizontal upper insulating partition plate and a peripheral insulating partition frame with an open upper end, wherein the upper insulating partition plate is arranged at the upper end of the peripheral insulating partition frame, the lower end of the upper insulating partition plate is inserted with a vertical lower longitudinal insulating partition plate and a lower transverse insulating partition plate, the lower ends of the lower longitudinal insulating partition plate and the lower transverse insulating partition plate are connected with a bottom plate of the peripheral insulating partition frame, the lower longitudinal insulating partition plate and the lower transverse insulating partition plate are divided into a plurality of equal isolation areas, and the upper insulating partition plate is provided with a battery terminal exposing port corresponding to the isolation areas.
And the side wall of the peripheral insulating partition frame is provided with a hollowed-out opening. And the hollowed-out opening is arranged, so that weight reduction and heat dissipation are facilitated.
The upper insulating partition plate, the lower longitudinal insulating partition plate and the lower transverse insulating partition plate are rectangular partition plates, and the peripheral insulating partition frame is a cuboid frame; four sides of the upper insulating partition board are connected with four inner walls of the peripheral insulating partition frame, the lower transverse insulating partition board is correspondingly arranged in the middle of the upper insulating partition board in the length direction of the upper insulating partition board, and the lower longitudinal insulating partition board is correspondingly crossed and connected with the lower transverse insulating partition board in the width direction of the upper insulating partition board; compact structure and good isolation effect.
The number of the lower longitudinal insulating partition boards is three, and the lower longitudinal insulating partition boards are uniformly distributed along the length direction of the upper insulating partition boards. The method is particularly suitable for the structure that the PACK battery PACKs 3 are connected in parallel and 8 are connected in series.
Rectangular plugs which are protruded upwards, have the same thickness as the insulating partition plates and are on the same plane are arranged at the upper ends of the lower transverse insulating partition plates and the lower longitudinal insulating partition plates, and sockets are arranged on the upper insulating partition plates corresponding to the rectangular plugs; the non-rectangular plug part at the upper end of the lower transverse insulating partition plate is provided with a vertical strip-shaped upper slot, and the middle part of the lower end of the lower longitudinal insulating partition plate is provided with a vertical strip-shaped lower slot corresponding to the vertical strip-shaped upper slot; the reliable plug-in connection between the parts is convenient, and the structure is compact, the processing is easy, and the cost is low.
The battery terminal exposing port at one end of the upper insulating partition plate in the length direction is a rectangular battery terminal exposing port, two ends of the rectangular battery terminal exposing port in the length direction extend to be equidistant and close to the end of the upper insulating partition plate in the width direction, and the length direction of the rectangular battery terminal exposing port is perpendicular to the length direction of the upper insulating partition plate; the battery terminal exposing ports at the other end of the length direction of the upper insulating partition plate are two rectangular battery terminal exposing ports with equal size, the two rectangular battery terminal exposing ports with equal size are symmetrically arranged at two sides of the long shaft of the upper insulating partition plate, the long shafts of the two rectangular battery terminal exposing ports with equal size are perpendicular to the long shaft of the upper insulating partition plate, and the distance between the outer ends of the two rectangular battery terminal exposing ports with equal size and the long sides corresponding to the upper insulating partition plate is equal to the distance between the end part of the length direction of the rectangular battery terminal exposing port and the long sides corresponding to the upper insulating partition plate;
the battery terminal exposing ports between the battery terminal exposing ports at the two ends of the upper insulating partition plate in the length direction are concave group openings, each concave group opening comprises a front concave opening and a rear concave opening which are in the same direction in the same size, the front concave opening and the rear concave opening are uniformly arranged along the width direction of the upper insulating partition plate, the center line of each front concave opening and the center line of each rear concave opening are overlapped and perpendicular to the long axis of the upper insulating partition plate, the distance between the front end of each front concave opening and the long edge of the adjacent upper insulating partition plate, the distance between the rear end of each rear concave opening and the long edge of the adjacent upper insulating partition plate are equal, and the distance between the end of each rectangular battery terminal exposing port in the length direction and the corresponding long edge of the upper insulating partition plate are equal; the nearest distance between the front concave-shaped opening and the rear concave-shaped opening is equal to the distance between the two rectangular battery terminal exposing openings with the same size;
the concave part of the concave opening is provided with a socket corresponding to the rectangular plug at the upper end of the lower longitudinal insulating partition plate, and the socket is arranged in the center of the concave part; the horizontal projection of the socket corresponding to the rectangular plug at the upper end of the lower transverse insulating partition plate is overlapped with the horizontal projection part of the concave opening and is arranged at the side part of the concave opening.
The design structure of the outlet and the plug interface has flexible and changeable assembly modes, simple operation and easy processing.
The number of the concave-shaped group openings is three, the three lower longitudinal insulating partition plates are corresponding to the three concave-shaped group openings, and the directions of the middle concave-shaped group openings are opposite to the directions of the concave-shaped group openings at the two sides; the rectangular plugs at the upper end of the lower transverse insulating partition board are four, the rectangular plugs are symmetrically arranged at two sides of the short shaft of the upper insulating partition board, the lengths of the two rectangular plugs close to the middle are larger than those of the two rectangular plugs at two sides, and the transverse center of the longer rectangular plug coincides with the interval center of the longitudinal insulating partition boards at two sides of the longer rectangular plug. The method is particularly suitable for the structure that the PACK battery PACKs 3 are connected in parallel and 8 are connected in series.
The width of the openings at the two sides of the concave-shaped opening, the width of the rectangular battery terminal exposing opening and the width of the two rectangular battery terminal exposing openings with the same size are equal.
The rectangular frame is characterized in that a hollowed-out opening is formed in each of four walls of the rectangular frame, the hollowed-out openings in the opposite side walls are symmetrically arranged and are formed in the middle of the side walls, and the shape of each hollowed-out opening corresponds to the shape of the side wall where the hollowed-out opening is formed.
The middle part of the upper end of the side wall at the two ends of the length direction of the cuboid frame is provided with a transverse rectangular notch, the length of the rectangular notch is larger than the width of the hollow opening of the side wall where the rectangular notch is located, and the hollow opening of the side wall is a vertical rectangular hollow opening. The rectangular notch is arranged to facilitate the assembly of the partition plate structure.
The thickness of the upper insulating partition plate is 2-3 mm. The problem that the self-locking screw cannot be locked after the battery terminals are connected in series and parallel through connecting devices such as connecting sheets can be effectively prevented.
The upper insulating partition plate, the peripheral insulating partition frame, the lower longitudinal insulating partition plate and the lower transverse insulating partition plate can adopt bakelite plates or insulating rubber plates.
It should be understood that the foregoing detailed description of the present invention is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention may be modified or substituted for the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
Claims (1)
1. The novel battery pack insulating partition structure comprises a horizontal upper insulating partition and a peripheral insulating partition frame with an opened upper end, and is characterized in that the upper insulating partition frame is arranged at the upper end of the peripheral insulating partition frame, a vertical lower longitudinal insulating partition plate and a lower transverse insulating partition plate are inserted at the lower end of the upper insulating partition plate, the lower ends of the lower longitudinal insulating partition plate and the lower transverse insulating partition plate are connected with a bottom plate of the peripheral insulating partition frame, a plurality of equal isolation areas are separated from the lower longitudinal insulating partition plate and the lower transverse insulating partition plate, and a battery terminal exposing port is arranged on the upper insulating partition plate corresponding to the isolation areas;
the side wall of the peripheral insulating spacer is provided with a hollowed-out opening;
the upper insulating partition plate, the lower longitudinal insulating partition plate and the lower transverse insulating partition plate are rectangular partition plates, and the peripheral insulating partition frame is a cuboid frame; four sides of the upper insulating partition board are connected with four inner walls of the peripheral insulating partition frame, the lower transverse insulating partition board is correspondingly arranged in the middle of the upper insulating partition board in the length direction of the upper insulating partition board, and the lower longitudinal insulating partition board is correspondingly crossed and connected with the lower transverse insulating partition board in the width direction of the upper insulating partition board;
the number of the lower longitudinal insulating partition boards is three, and the lower longitudinal insulating partition boards are uniformly distributed along the length direction of the upper insulating partition boards;
the upper end of the lower transverse insulating partition plate is provided with a rectangular plug which protrudes upwards and has the same thickness as the lower transverse insulating partition plate and is on the same plane, the upper end of the lower longitudinal insulating partition plate is provided with a rectangular plug which protrudes upwards and has the same thickness as the lower longitudinal insulating partition plate and is on the same plane, and the upper insulating partition plate is provided with a socket corresponding to the rectangular plug; the non-rectangular plug part at the upper end of the lower transverse insulating partition plate is provided with a vertical strip-shaped upper slot, and the middle part of the lower end of the lower longitudinal insulating partition plate is provided with a vertical strip-shaped lower slot corresponding to the vertical strip-shaped upper slot;
the battery terminal exposing port at one end of the upper insulating partition plate in the length direction is a rectangular battery terminal exposing port, two ends of the rectangular battery terminal exposing port in the length direction extend to be equidistant and close to the end of the upper insulating partition plate in the width direction, and the length direction of the rectangular battery terminal exposing port is perpendicular to the length direction of the upper insulating partition plate; the battery terminal exposing ports at the other end of the length direction of the upper insulating partition plate are two rectangular battery terminal exposing ports with equal size, the two rectangular battery terminal exposing ports with equal size are symmetrically arranged at two sides of the long shaft of the upper insulating partition plate, the long shafts of the two rectangular battery terminal exposing ports with equal size are perpendicular to the long shaft of the upper insulating partition plate, and the distance between the outer ends of the two rectangular battery terminal exposing ports with equal size and the long sides corresponding to the upper insulating partition plate is equal to the distance between the end part of the length direction of the rectangular battery terminal exposing port and the long sides corresponding to the upper insulating partition plate;
the battery terminal exposing ports between the battery terminal exposing ports at the two ends of the upper insulating partition plate in the length direction are concave group openings, each concave group opening comprises a front concave opening and a rear concave opening which are in the same direction in the same size, the front concave opening and the rear concave opening are uniformly arranged along the width direction of the upper insulating partition plate, the center line of each front concave opening and the center line of each rear concave opening are overlapped and are perpendicular to the long axis of the upper insulating partition plate, the distance between the front end of each front concave opening and the long edge of the adjacent upper insulating partition plate, the distance between the rear end of each rear concave opening and the long edge of the adjacent upper insulating partition plate are equal, and the distance between the end of each rectangular battery terminal exposing port in the length direction and the corresponding long edge of the upper insulating partition plate are equal; the nearest distance between the front concave-shaped opening and the rear concave-shaped opening is equal to the distance between the two rectangular battery terminal exposing openings with the same size;
the concave part of the concave opening is provided with a socket corresponding to the rectangular plug at the upper end of the lower longitudinal insulating partition plate, and the socket is arranged in the center of the concave part; the horizontal projection of the socket corresponding to the rectangular plug at the upper end of the lower transverse insulating partition plate is overlapped with the horizontal projection part of the concave opening and is arranged at the side part of the concave opening;
the number of the concave-shaped group openings is three, the three lower longitudinal insulating partition plates are corresponding to the three concave-shaped group openings, and the directions of the middle concave-shaped group openings are opposite to the directions of the concave-shaped group openings at the two sides; the four rectangular plugs at the upper end of the lower transverse insulating partition board are symmetrically arranged at two sides of the short shaft of the upper insulating partition board, the lengths of two rectangular plugs close to the middle are longer than those of two rectangular plugs at two sides, and the transverse center of the longer rectangular plug is overlapped with the interval center of the longitudinal insulating partition boards at two sides of the longer rectangular plug;
the width of the openings at the two sides of the concave-shaped opening, the width of the rectangular battery terminal exposing opening and the width of the two rectangular battery terminal exposing openings with the same size are equal;
the four walls of the cuboid frame are respectively provided with a hollowed-out opening, the hollowed-out openings on the opposite side walls are symmetrically arranged and are arranged in the middle of the side walls, and the shape of each hollowed-out opening corresponds to the shape of the side wall where the hollowed-out opening is positioned;
the middle part of the upper end of the side wall at the two ends of the length direction of the cuboid frame is provided with a transverse rectangular notch, the length of the rectangular notch is larger than the width of the hollow opening of the side wall where the rectangular notch is located, and the hollow opening of the side wall is a vertical rectangular hollow opening.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810554259.9A CN108448026B (en) | 2018-06-01 | 2018-06-01 | Novel battery pack insulating partition plate structure |
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| CN201810554259.9A CN108448026B (en) | 2018-06-01 | 2018-06-01 | Novel battery pack insulating partition plate structure |
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| CN108448026A CN108448026A (en) | 2018-08-24 |
| CN108448026B true CN108448026B (en) | 2023-05-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111029087A (en) * | 2019-12-03 | 2020-04-17 | 山东电力设备有限公司 | Separation structure between voltage-regulating tapping leads of transformer |
| CN111584781B (en) * | 2020-04-30 | 2021-11-02 | 东风汽车集团有限公司 | Long module, battery module fixing auxiliary and mounting method |
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| CN108448026A (en) | 2018-08-24 |
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