CN112421167A - Lithium battery protection device - Google Patents

Lithium battery protection device Download PDF

Info

Publication number
CN112421167A
CN112421167A CN202011349461.1A CN202011349461A CN112421167A CN 112421167 A CN112421167 A CN 112421167A CN 202011349461 A CN202011349461 A CN 202011349461A CN 112421167 A CN112421167 A CN 112421167A
Authority
CN
China
Prior art keywords
battery protection
plate
frames
lithium battery
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011349461.1A
Other languages
Chinese (zh)
Inventor
刘桂兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011349461.1A priority Critical patent/CN112421167A/en
Publication of CN112421167A publication Critical patent/CN112421167A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Battery Mounting, Suspending (AREA)

Abstract

The invention relates to the technical field of lithium batteries, in particular to a lithium battery protection device which comprises a battery protection plate and side protection frames, wherein the side protection frames are arranged on two sides of the battery protection plate, a bearing platform is arranged on the upper plane of the battery protection plate, mounting bars are arranged on the edges of a clamping frame and fixed on the bearing platform through positioning bolts, clamping bars are arranged at the inner sides of the clamping frame, an internal fixing plate is arranged at the inner side of the side protection frame, a plurality of fixing point positions are arranged at the inner side of the internal fixing plate and are arranged at equal intervals, mounting heads are arranged at the fixing point positions, positioning frames are respectively arranged at the inner sides of the mounting heads, the positioning frames are clamped on the upper plane of the clamping frame from top to bottom, and the clamping frame is mounted at the mounting frame through the fixing bolts. The invention can play a role in up-and-down direction shock absorption and buffering, and can ensure stable operation effect for multi-stage support in left-and-right direction.

Description

Lithium battery protection device
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a lithium battery protection device.
Background
The lithium battery has the outstanding characteristics of high working voltage, large specific energy, small self-discharge, wide application temperature range, stable working voltage, long storage life and the like, and is widely applied to various communication products, portable electronic products, digital consumer products, electric tools, electric vehicles and other power demand products, the working voltage of the lithium battery consisting of the internal material lithium cobaltate and the matched negative electrode material is in the range of 4.2V-3.0V, and the excessive charge and discharge can cause structural breakdown of the battery material and cause fatal damage of the battery product. Therefore, it is necessary to provide a lithium battery with a power protection device. According to the prior art, a protection plate provided with a plurality of electronic components is arranged, and the traditional lithium battery protection plate is adhered and fixed with a lithium battery pack, but the lithium battery protection plate is insufficient.
The Chinese patent discloses a battery protection device, wherein the upper end and the lower end of a lithium battery are abutted against elastic gaskets at two sides, a compression spring is fixedly connected between the elastic gaskets and the inner wall of a cavity, and the compression spring is always in a compression state; one end, away from the lithium battery, of the elastic gasket is fixedly connected with a hinge rod, communicating grooves are symmetrically formed in the inner walls of the upper side and the lower side of the cavity, a spring groove with a backward opening is formed in the inner wall of one side, away from the cavity, of each communicating groove, one end, away from the lithium battery, of each hinge rod extends into each communicating groove, and the hinge rods are connected with the protection boxes in a sliding mode; be connected with connecting device between articulated rod and the apron, such structural design is nevertheless to the lithium cell buffering protection, but can cause holistic installation space to occupy too big, whole feasibility that does not possess practical application.
Disclosure of Invention
The present invention is directed to a lithium battery protection device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a lithium battery protection device comprises a battery protection plate and side protection frames, wherein the side protection frames are arranged on two sides of the battery protection plate, a bearing platform is arranged on the upper plane of the battery protection plate, mounting bars are arranged on the edges of a clamping frame and fixed on the bearing platform through positioning bolts, clamping bars are arranged on the inner sides of the clamping frame, an inner fixing plate is arranged on the inner side of the side protection frame, a plurality of fixing point positions are arranged on the inner side of the inner fixing plate and are installed at equal intervals, mounting heads are arranged on the fixing point positions, positioning frames are respectively arranged on the inner sides of the mounting heads, the positioning frames are clamped on the upper plane of the clamping frame from top to bottom, a base plate is arranged at the bottom of each positioning frame, the base plate is mounted at the mounting heads, and sliding rails are arranged at the base plate, the improved sliding rail structure is characterized in that a sliding block is arranged in the sliding rail, an adjusting node is connected to the outside of the sliding block, a locking bolt is further arranged on the sliding block, the sliding block moves along the sliding rail and can be fixed in position through the locking bolt, a supporting bottom rod is installed on the adjusting node, an installation frame is arranged at the front end of the supporting bottom rod, a pressing frame is installed at the position of the installation frame through a fixing bolt, a first pressing plate is arranged on the pressing frame, a second pressing plate is installed on the first pressing plate through a supporting rod, and the first pressing plate is connected with the second pressing plate through a pressing spring.
As a further scheme of the invention: and a cooling area is arranged on the bearing platform.
As a further scheme of the invention: the battery protection plate is characterized in that clamping frames are arranged on two sides of the battery protection plate, limiting strips are arranged at the edge positions of the bearing platform, and two ends of each limiting strip are fixedly installed through fixing nuts.
As a further scheme of the invention: the side protection frame's the outside still is provided with outer extension board, still be provided with a plurality of supports that open and shut between outer extension board and the interior solid board, the inner of the support that opens and shuts is installed on the lateral wall of interior solid board through the fixed head, the support that opens and shuts is buckled the department and is provided with the bolt that opens and shuts, the bolt that opens and shuts is external to have the movable rod, still be provided with a plurality of ways of location sleeve on the outer extension board, location sleeve and the support that opens and shuts are the one-to-one matching, the movable rod is worn to establish in the location sleeve to the winding has buffer spring on the movable rod, buffer spring connects between bolt and the location sleeve that.
As a further scheme of the invention: and the two sides of the positioning sleeve are also provided with a side wing supporting rod which is supported between the opening and closing support and the positioning sleeve.
As a still further scheme of the invention: the four corners position of battery protection shield all is provided with the peripheral hardware and links up the joint, the four corners position of battery protection shield still is provided with turns to the structure, the four corners position of battery protection shield is installed through turning to the structure and is linked up the cardboard, be provided with the block installation piece on the linking cardboard.
Compared with the prior art, the invention has the beneficial effects that:
the utility model provides an, this application design side protection frame's inboard is provided with interior solid board, the locating rack on the interior solid board, be provided with on the locating rack and support the sill bar and exert the effort downwards from the pressfitting installing frame, then pressfitting frame, first pressfitting board pressfitting is on the block frame, guarantees the stability of block frame and the built-in fixed lithium cell of block frame, the second pressfitting board improves the protection of planar position, plays the technical effect of the shock attenuation buffering of direction from top to bottom through the pressfitting spring.
Two, base plate department is provided with the slide rail, can adjust the main part position of locating rack along the slide rail, and different locating racks need not set up again on same vertical line, and the shape demand of the shell body of lithium cell that can be more actual is adjusted to be fit for different equipment fixing demands.
An outer support plate is further arranged on the outer side of the side protection frame, an elastic support mechanism in the outer side area is further arranged between the outer support plate and the inner fixing plate, the inner fixing plate is supported through an opening and closing support, a triangular support structure is formed between the opening and closing support and the inner fixing plate, an opening and closing bolt at the bending position of the opening and closing support forms thrust on the elastic support structure in the positioning sleeve, and the elastic support structure is supported in a buffering mode through a buffering spring, so that the buffering effect is improved; and furthermore, the two sides of the positioning sleeve are also provided with the side wing supporting rods, so that the opening and closing support, the positioning sleeve and the side wing supporting rods form a triangular supporting structure at the side, and the stable operation effect of multistage support is ensured.
Four, be provided with the linking cardboard in the four corners position of battery protection board to make things convenient for the lithium cell to dock fixedly through linking the cardboard with the linking equipment of both sides around, improve the convenient degree of installation.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of the engaging frame of the present invention.
FIG. 3 is a schematic view of the positioning frame of the present invention.
Fig. 4 is a schematic structural view between the outer supporting plate and the inner fixing plate in the present invention.
In the figure: 1-battery protection plate, 11-bearing platform, 12-cooling area, 13-clamping frame, 14-limiting strip, 15-fixing nut, 21-clamping strip, 22-mounting strip, 23-positioning bolt, 3-side protection frame, 31-internal fixing plate, 32-fixing point position, 33-mounting head, 34-positioning frame, 41-base plate, 42-sliding rail, 43-sliding block, 44-adjusting node, 45-supporting bottom rod, 46-mounting frame, 47-fixing bolt, 51-clamping frame, 52-first clamping plate, 53-second clamping plate, 54-branch rod, 55-clamping spring, 61-external supporting plate, 62-fixing head, 63-opening and closing support, 64-positioning sleeve, 65-movable rod, 66-buffer spring, 67-side wing supporting rod, 68-opening and closing bolt, 71-connecting joint, 72-steering structure, 73-connecting clamping plate and 74-clamping mounting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 and 2, a lithium battery protection device includes a battery protection plate 1 and side protection frames 3, the side protection frames 3 are disposed on two sides of the battery protection plate 1, a bearing platform 11 is disposed on an upper plane of the battery protection plate 1 for placing a lithium battery, a cooling area 12 is disposed on the bearing platform 11, a cold-flow cooling device can be engaged with the bottom of the cooling area to achieve a technical effect of heat dissipation, engaging frames 13 are disposed on two sides of the battery protection plate 1, a limiting strip 14 is disposed at an edge of the bearing platform 11, two ends of the limiting strip 14 are fixedly mounted by fixing nuts 15 to limit an edge of the battery, a mounting strip 22 is disposed at an edge of the engaging frame 13, the mounting strip 22 is fixed on the bearing platform 11 by a positioning bolt 23, a clamping strip 21 is disposed at an inner side position of the engaging frame 13, the battery is clamped and engaged.
Referring to fig. 1 to 3, an inner fixing plate 31 is disposed on an inner side of the side protection frame 3, a plurality of fixing points 32 are disposed on the inner side of the inner fixing plate 31, the fixing points 32 are installed at equal intervals, the fixing points 32 are provided with mounting heads 33, the inner sides of the mounting heads 33 are respectively provided with positioning frames 34, and the positioning frames 34 are clamped on an upper plane of the clamping frame 13 from top to bottom. The bottom of the positioning frame 34 is provided with a base plate 41, the base plate 41 is installed at the installation head 33, a sliding rail 42 is arranged at the base plate 41, a sliding block 43 is arranged in the sliding rail 42, the sliding block 43 is externally connected with an adjusting node 44, a locking bolt is further arranged on the sliding block 43, and the sliding block 43 moves along the sliding rail 42 and can be fixed in position through the locking bolt. The adjustable joint 44 is provided with a supporting bottom rod 45, the front end of the supporting bottom rod 45 is provided with an installation frame 46, the installation frame 46 is provided with a press frame 51 through a fixing bolt 47, the press frame 51 is provided with a first press plate 52, the first press plate 52 is provided with a second press plate 53 through a support rod 54, and the first press plate 52 is connected with the second press plate 53 through a press spring 55.
In order to further carry out effectual protection to the lithium cell, this application designs inboard of side protection frame 3 and is provided with interior solid board 31, gu on the board 31 locating rack 34, it supports bottom bar 45 and applys effort from pressfitting installing frame 46 downwards to be provided with on the locating rack 34, pressfitting frame 51 then, first pressfitting board 52 pressfitting is on block frame 13, guarantee the stability of the built-in fixed lithium cell of block frame 13 and block frame 13, second pressfitting board 53 improves the protection of upper plane position, play the technological effect of the shock attenuation buffering of direction from top to bottom through pressfitting spring 55.
Meanwhile, the sliding rail 42 is arranged at the position of the substrate 41, the main body position of the positioning frame 34 can be adjusted along the sliding rail 42, different positioning frames 34 do not need to be arranged on the same vertical line, and the shape requirement of the shell of the lithium battery can be adjusted more practically, so that the lithium battery is suitable for different equipment installation requirements.
Referring to fig. 2 and 4, an outer support plate 61 is further disposed on the outer side of the side protection frame 3, a plurality of opening and closing supports 63 are further disposed between the outer support plate 61 and the inner fixing plate 31, inner ends of the opening and closing supports 63 are mounted on the side wall of the inner fixing plate 31 through fixing heads 62, an opening and closing bolt 68 is disposed at a bending position of the opening and closing supports 63, a movable rod 65 is externally connected to the opening and closing bolt 68, a plurality of positioning sleeves 64 are further disposed on the outer support plate 61, the positioning sleeves 64 are matched with the opening and closing supports 63 one by one, the movable rod 65 is inserted into the positioning sleeve 64, a buffer spring 66 is wound on the movable rod 65, and the buffer spring 66 is connected between the opening and closing bolt 68 and the positioning sleeve 64. And two sides of the positioning sleeve 64 are also provided with a side wing supporting rod 67, and the side wing supporting rod 67 is supported between the opening and closing support 63 and the positioning sleeve 64.
An outer support plate 61 is further arranged on the outer side of the side protection frame 3, an elastic support mechanism in an outer side area is further arranged between the outer support plate 61 and the inner fixing plate 31, the inner fixing plate 31 is supported through an opening and closing support 63, a triangular support structure is formed between the opening and closing support 63 and the inner fixing plate 31, an opening and closing bolt 68 at the bending position of the opening and closing support 63 forms thrust to the elastic support structure in the positioning sleeve 64, and the elastic support structure is supported in a buffering mode through a buffering spring 66, so that the buffering effect is improved; and furthermore, the two sides of the positioning sleeve 64 are also provided with side wing supporting rods 67, so that the opening and closing support 63, the positioning sleeve 64 and the side wing supporting rods 67 form a triangular supporting structure at the side, and the stable operation effect of multi-stage support is ensured.
Example two:
referring to fig. 1, the embodiment is further optimized as an embodiment, and on the basis of the embodiment, the following structure is further designed in consideration that the lithium battery is often required to be in butt joint with other related devices; the four corners position of battery protection board 1 all is provided with peripheral hardware linking joint 71, the four corners position of battery protection board 1 still is provided with turns to structure 72, the four corners position of battery protection board 1 installs linking cardboard 73 through turning to structure 72, be provided with block installation piece 74 on the linking cardboard 73.
Be provided with in the four corners position of battery protection board 1 and link up cardboard 73, link up cardboard 73 and need not be straight board class structure, also can be to bent type board or folded sheet to make things convenient for the lithium cell to carry out butt joint through linking up cardboard 73 with the linking equipment of both sides around and fixed, improve the convenient degree of installation.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A lithium battery protection device comprises a battery protection plate (1) and side protection frames (3), wherein the side protection frames (3) are arranged on two sides of the battery protection plate (1), a bearing platform (11) is arranged on the upper plane of the battery protection plate (1), clamping frames (13) are arranged on two sides of the battery protection plate (1), mounting strips (22) are arranged on the edges of the clamping frames (13), the mounting strips (22) are fixed on the bearing platform (11) through positioning bolts (23), clamping strips (21) are arranged on the inner side positions of the clamping frames (13), the lithium battery protection device is characterized in that an inner fixing plate (31) is arranged on the inner side of the side protection frame (3), a plurality of fixing point positions (32) are arranged on the inner side of the inner fixing plate (31), the fixing point positions (32) are arranged at equal intervals, and a point position (33) is arranged on each fixing mounting head (32), the inner sides of the mounting heads (33) are respectively provided with a positioning frame (34), the positioning frames (34) are clamped on the upper plane of the clamping frame (13) from top to bottom, the bottoms of the positioning frames (34) are provided with base plates (41), the base plates (41) are mounted at the mounting heads (33), sliding rails (42) are arranged at the base plates (41), sliding blocks (43) are arranged in the sliding rails (42), adjusting nodes (44) are externally connected with the sliding blocks (43), locking bolts are further arranged on the sliding blocks (43), the sliding blocks (43) move along the sliding rails (42) and can be fixed in position through the locking bolts, supporting bottom rods (45) are mounted on the adjusting nodes (44), the front ends of the supporting bottom rods (45) are provided with mounting frames (46), and the mounting frames (51) are mounted at the mounting frames (46) through fixing bolts (47), be provided with first pressfitting board (52) on pressfitting frame (51), second pressfitting board (53) is installed through branch pole (54) in first pressfitting board (52), first pressfitting board (52) link to each other with second pressfitting board (53) rethread closing spring (55).
2. Lithium battery protection device according to claim 1, characterized in that a cooling zone (12) is provided on the carrier platform (11).
3. The lithium battery protection device according to claim 1, wherein a limiting strip (14) is arranged at each edge of the bearing platform (11), and two ends of the limiting strip (14) are fixedly mounted through fixing nuts (15).
4. The lithium battery protection device according to claim 1, wherein an outer support plate (61) is further arranged on the outer side of the side protection frame (3), a plurality of opening and closing supports (63) are further arranged between the outer support plate (61) and the inner fixed plate (31), the inner ends of the opening and closing supports (63) are mounted on the side wall of the inner fixed plate (31) through fixing heads (62), an opening and closing bolt (68) is arranged at the bending position of the opening and closing supports (63), and a movable rod (65) is externally connected to the opening and closing bolt (68).
5. The lithium battery protection device according to claim 4, wherein the outer support plate (61) is further provided with a plurality of positioning sleeves (64), the positioning sleeves (64) are matched with the opening and closing supports (63) one by one, the movable rod (65) penetrates through the positioning sleeves (64), the movable rod (65) is wound with a buffer spring (66), and the buffer spring (66) is connected between the opening and closing bolt (68) and the positioning sleeves (64).
6. The lithium battery protection device as claimed in claim 5, characterized in that the positioning sleeve (64) is further provided with a wing strut (67) at both sides, and the wing strut (67) is supported between the opening and closing support (63) and the positioning sleeve (64).
7. The lithium battery protection device as claimed in any one of claims 1 to 6, characterized in that the battery protection plate (1) is provided with peripheral equipment engagement connectors (71) at four corners.
8. The lithium battery protection device as claimed in claim 7, wherein turning structures (72) are further disposed at four corners of the battery protection plate (1), engaging clamping plates (73) are mounted at the four corners of the battery protection plate (1) through the turning structures (72), and the engaging clamping plates (73) are provided with engaging mounting pieces (74).
CN202011349461.1A 2020-11-26 2020-11-26 Lithium battery protection device Withdrawn CN112421167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011349461.1A CN112421167A (en) 2020-11-26 2020-11-26 Lithium battery protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011349461.1A CN112421167A (en) 2020-11-26 2020-11-26 Lithium battery protection device

Publications (1)

Publication Number Publication Date
CN112421167A true CN112421167A (en) 2021-02-26

Family

ID=74842545

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011349461.1A Withdrawn CN112421167A (en) 2020-11-26 2020-11-26 Lithium battery protection device

Country Status (1)

Country Link
CN (1) CN112421167A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023046389A1 (en) * 2021-09-22 2023-03-30 Bayerische Motoren Werke Aktiengesellschaft Compressive stressing device for a frame arrangement for bracing a battery cell assembly, frame arrangement and battery
CN116967698A (en) * 2023-04-26 2023-10-31 徐州日托光伏科技有限公司 Solar cell welding device
CN117954668A (en) * 2024-03-26 2024-04-30 宁德时代新能源科技股份有限公司 Battery production system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023046389A1 (en) * 2021-09-22 2023-03-30 Bayerische Motoren Werke Aktiengesellschaft Compressive stressing device for a frame arrangement for bracing a battery cell assembly, frame arrangement and battery
CN116967698A (en) * 2023-04-26 2023-10-31 徐州日托光伏科技有限公司 Solar cell welding device
CN116967698B (en) * 2023-04-26 2024-02-13 徐州日托光伏科技有限公司 Solar cell welding device
CN117954668A (en) * 2024-03-26 2024-04-30 宁德时代新能源科技股份有限公司 Battery production system

Similar Documents

Publication Publication Date Title
CN112421167A (en) Lithium battery protection device
CN205429045U (en) Battery module
CN211641856U (en) Solar auxiliary charging system
CN211700408U (en) Capacitor multiplying power cylinder lithium ion battery
CN209860867U (en) Convenient and practical's photovoltaic module installation frame
CN210443378U (en) Outdoor power transmission and distribution transformer protective box
CN204966608U (en) Group battery for new energy automobile
CN210926181U (en) New energy automobile power battery module group matching device
CN211908381U (en) Energy storage device and energy storage system
CN108172711B (en) Soft package standing lithium ion battery module
CN115472969A (en) Buffer gear and corresponding lithium cell that battery was used
CN216215250U (en) High-low voltage cabinet with prevent empting structure
CN105280857A (en) Battery box for electric vehicle
CN204966563U (en) Lithium cell case with function of dispelling heat fast
CN204966549U (en) Fast open lithium cell case
CN218334039U (en) Electric bicycle lithium battery mounting box with stable structure
CN112271989A (en) Photovoltaic power generation board auxiliary type angle adjusting mechanism
CN207642513U (en) A kind of fixture for battery laser welding
CN216625676U (en) Folding type solar cell
CN218919101U (en) Vertical energy storage cabinet
CN211238434U (en) Lithium battery protection board field pipe mounting structure
CN218217189U (en) Thin-wall aluminum alloy extrusion part for photovoltaic industry
CN105280858A (en) Lithium battery box with automatic heat dissipation
CN221376812U (en) Portable welding strip packaging and weighing device
CN216994861U (en) 24-hour mooring aerial device for unmanned aerial vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210226

WW01 Invention patent application withdrawn after publication