CN209515885U - A kind of battery negative pressure formation device - Google Patents
A kind of battery negative pressure formation device Download PDFInfo
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- CN209515885U CN209515885U CN201920483479.7U CN201920483479U CN209515885U CN 209515885 U CN209515885 U CN 209515885U CN 201920483479 U CN201920483479 U CN 201920483479U CN 209515885 U CN209515885 U CN 209515885U
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- battery
- negative pressure
- suction nozzle
- vacuum cup
- fixed cylinder
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a kind of battery negative pressure formation device, belongs to secondary cell production equipment technology.It solves the problems, such as that existing battery negative pressure formation device is poor to the vacuumizing effect of battery.This battery negative pressure formation device, including rack, the rack is equipped with for the pallet of placing battery, the elevating mechanism for lifting tray, the probe assembly for being melted into battery and for the negative pressure component to battery vacuum-pumping, the vacuum cup that the negative pressure component includes fixed cylinder, is slidably connected in fixed cylinder, the vacuum cup has the suction nozzle being connected to vacuum cup inner cavity towards one end of pallet, and the rotating mechanism for driving vacuum cup to rotate around suction nozzle axis when enabling suction nozzle by upward thrust is equipped between the fixed cylinder and vacuum cup.The suction nozzle of the utility model and the liquid injection hole of battery can adjust the cooperation position with liquid injection hole automatically by rotation when cooperating, make suction nozzle and liquid injection hole more accurate fit, the effect and consistency of Battery formation are more preferable.
Description
Technical field
The utility model belongs to secondary cell production equipment technology, is related to a kind of battery negative pressure formation device.
Background technique
Lithium ion battery is a high-performance, environmental protection, energy-storage battery, in recent years, fast development be commercial cells with
High voltage, high energy is close, good cycle life is widely used in the fields such as vehicle, medical treatment, military affairs.For respective market demand,
Lithium ion battery safety performance and service life are improved, lithium ion battery is to pole plate manufacturing process early period, assembly, each link of chemical conversion
Manufacture craft suffers from stringent control.
Wherein, lithium ion battery has critically important influence to battery performance in the chemical conversion stage.In the chemical conversion stage, to make to bear
Pole surface generates good SEI film, is melted into the chemical conversion stage using negative pressure, and the gas generated when Battery formation is discharged in time makes
SIE film generates uniform and stable, improves battery performance.
Currently, aluminum-shell battery chemical conversion mostly uses negative pressure to be melted into, such as Chinese patent application (application in order to improve battery quality
Number: 201810264406.9) a kind of battery vacuum chemical conversion mechanism disclosed in, including cabinet and chemical conversion folder with closed type chamber
Tool；Battery formation clamp includes bottom plate, and the elevating mechanism on bottom plate is arranged in, and elevating mechanism is equipped with probe assembly and suction nozzle body,
Probe assembly and chemical conversion power electric connection, suction nozzle body and the first vacuum device pipeline connection, and be arranged in elevating mechanism
On lifter plate, and the battery positioning component being arranged on lifter plate, the elevating mechanism drives the lifter plate to move up and down；
The closed type chamber and the second vacuum device pipeline connection.Battery is placed on battery positioning component, is pushed away by elevating mechanism
Dynamic battery moves up, and probe is made to contact and be melted into battery, meanwhile, suction nozzle body matches connection with battery liquid-filling hole, into
And the gas of inside battery is discharged in cabinet by the first vacuum device, and will be in cabinet by the second vacuum device
Air discharge, and then reach negative pressure formation effect.
However, since the suction nozzle of the suction nozzle body is simply by the end face for making suction nozzle and the liquid injection hole patch of moving up and down
It closes, is commonly encountered the problem of axis of suction nozzle is with respect to liquid injection hole run-off the straight, the end face for leading to suction nozzle and the cover board where liquid injection hole
There is gap between surface, i.e., suction nozzle and liquid injection hole can not tight connecting, negative-pressure vacuum degree do not reach requirement, and leads to chemical synthesis technology
Inconsistent and second-rate finished battery problem.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of battery negative pressure chemical conversion dress
It sets, the technical problem to be solved by the utility model is to how to improve the vacuumizing effect to battery.
The purpose of this utility model can be realized by the following technical scheme: a kind of battery negative pressure formation device, including machine
Frame, the rack be equipped with for placing battery pallet, for the elevating mechanism of lifting tray, for being melted into battery
Probe assembly and for the negative pressure component to battery vacuum-pumping, the negative pressure component includes fixed cylinder, is slidably connected to fixation
Vacuum cup in cylinder, the vacuum cup have the suction nozzle being connected to vacuum cup inner cavity towards one end of pallet, and the suction nozzle uses
Flexible material is made, be equipped between the fixed cylinder and vacuum cup when enabling suction nozzle by upward thrust drive vacuum cup around
The rotating mechanism of suction nozzle axis rotation.
This battery negative pressure formation device is in use, first make electrode and the liquid injection hole court of battery on pallet for battery fixation
On, it then drives pallet to move up by elevating mechanism, contacts probe with anode and negative electrode respectively, to battery
At reaction, meanwhile, the liquid injection hole of battery and the suction nozzle of negative pressure component recline it is identical, to be vacuumized to battery.Fixed cylinder phase
Fixed to rack, vacuum cup is slidably connected in fixed cylinder, and the suction nozzle on vacuum cup is downward, after battery moves up, suction nozzle
Lower end surface can battery cover board be provided with the position of liquid injection hole against, since suction nozzle is made of flexible material, there is certain elasticity,
Under the action of rotating mechanism, vacuum cup is rotated around the axis of suction nozzle, so that suction nozzle be driven also to rotate around the axis of its own, is made
The surface of suction nozzle and battery cover board produces relative sliding and generates more aximal deformation value, increases the contact surface between battery cover board
Product, is bonded suction nozzle with cover board closer, more preferable with the match result of liquid injection hole, avoids leaking between suction nozzle and liquid injection hole
Gas, it is more preferable to the vacuumizing effect of battery, to guarantee the effect and consistency of Battery formation.
In above-mentioned battery negative pressure formation device, the fixed cylinder, vacuum cup and suction nozzle are respectively positioned on same axis, institute
Stating rotating mechanism includes the guide groove being opened on fixed cylinder side wall and sliding block on vacuum cup lateral wall or including opening
Guide groove on vacuum cup lateral wall and the sliding block on fixed cylinder inner wall, the guide groove along fixed cylinder it is circumferential from
Lower and upper spiral, the sliding block insertion guide groove is interior and is slidably matched with guide groove.Above two structure can guarantee
Suction nozzle rotates after being pressurized, and is bonded suction nozzle with the battery cover board for being provided with liquid injection hole closer.
In above-mentioned battery negative pressure formation device, being additionally provided in the fixed cylinder has the relatively fixed cylinder of vacuum cup always
There is the reset spring of downward movement tendency.The setting of reset spring can guarantee the accuracy that vacuum cup resets and in time to just
In reusing.
In above-mentioned battery negative pressure formation device, the helix angle of the guide groove is 30~60 °.In the angular range
Interior, vacuum cup rotates more smooth after compression, and job stability is more preferable.
In above-mentioned battery negative pressure formation device, the guide groove and sliding block are multiple and correspond, described to lead
It is uniformly distributed to slot and sliding block around the axial line of fixed cylinder.In this way, the stress after vacuum cup is pressurized more balances, enable suction nozzle
It is vertical with battery cover board holding, it is not easy run-off the straight due to force unbalance, suction nozzle is bonded closer with battery cover board.
In above-mentioned battery negative pressure formation device, the suction nozzle has through-hole, and the end of the suction nozzle has around logical
Hole is arranged and is used for and the butting section that fits and abut of battery cover board, and the butting section is towards having around through-hole on the end face of pallet
The annular convex platform of setting.When suction nozzle and liquid injection hole cooperate in this way, annular convex platform can be embedded in liquid injection hole and butting section and battery
Cover board gluing, sealing, to guarantee the cooperation precision of liquid injection hole and suction nozzle.
In above-mentioned battery negative pressure formation device, it is recessed that several concentric annulars are also provided on the lower end surface of the butting section
Slot, the annular groove are arranged around annular convex platform, and the sealing lip of annular is formed between adjacent annular groove.In this way, working as
When butting section and battery cover board recline, the sealing lip of multiple annulars can be formed between battery cover board it is multi-sealed, with guarantee
Sealed connection between suction nozzle and liquid injection hole keeps the vacuumizing effect of battery more preferable.
In above-mentioned battery negative pressure formation device, aspirating hole is also provided on the vacuum cup, the aspirating hole passes through negative
Pressure pipeline is connected with vacuum pump, and extraction raffinate tank and surge tank are successively arranged on the negative-pressure pipeline between the aspirating hole and vacuum pump,
The bottom of the extraction raffinate tank is also connected with holding vessel.It can be also attached to when vacuum pump extracts electric pool gas and extract certain liquid
Body can enter holding vessel from bottom and be collected, to realize the separation of gas and liquid, and delay after liquid enters extraction raffinate tank
The setting for rushing tank can make the air pressure on negative-pressure pipeline more stable, i.e., also more stable to the vacuumizing effect of battery.
Compared with prior art, the utility model has the advantage that
1, can turn with respect to battery cover board when the suction nozzle of the utility model is fit and abutted with the battery cover board for being provided with liquid injection hole
It is dynamic, enable suction nozzle opposite battery cover board adjustment position automatically, suction nozzle is bonded closer with battery cover board, and match result is more preferable,
It is also more preferable to the vacuumizing effect of battery, to guarantee Battery formation quality.
2, the end setting annular abutment portion of this suction nozzle and annular convex platform, when suction nozzle and liquid injection hole cooperate, annular convex platform energy
It is enough embedded in liquid injection hole, while the sealing lip on butting section can form multi-sealed with battery cover board, further improve suction
The cooperation precision and sealing effect of mouth and liquid injection hole.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is structure diagram of the utility model in chemical conversion；
Fig. 3 is the structural schematic diagram of negative pressure component；
Fig. 4 is the cross-sectional view of the line A-A along Fig. 3；
Fig. 5 is the schematic diagram of suction nozzle and liquid injection hole cooperation.
In figure, 1, rack；11, upper mounted plate；12, bottom plate；2, pallet；3, elevating mechanism；4, probe assembly；5, it bears
Press component；51, fixed cylinder；511, guide groove；52, vacuum cup；521, sliding block；522, aspirating hole；53, suction nozzle；531, butting section；
531a, annular convex platform；531b, annular groove；531c, sealing lip；54, reset spring；6, battery；61, liquid injection hole；71, negative pressure
Pipeline；72, vacuum pump；73, extraction raffinate tank；74, holding vessel；75, surge tank；76, vacuum meter.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Embodiment one
As shown in Figure 1, a kind of battery negative pressure formation device, including rack 1, pallet 2, elevating mechanism 3,4 and of probe assembly
Negative pressure component 5, wherein rack 1 is in the hollow structure of general square shape, including spaced upper mounted plate 11 and lower fixation up and down
Plate 12, pallet 2 have the fixed machine of the battery for fixing battery 6 between upper mounted plate 11 and bottom plate 12, on pallet 2
Structure, elevating mechanism 3 are fixedly arranged in rack 1 and are connected with pallet 2, so that pallet 2 is moved up and down with respect to rack 1, probe assembly 4
It is fixedly arranged on upper mounted plate 11 and extends downwardly with negative pressure component 5, two probe assemblies 4 and a negative pressure component 5 are combined into
One group, for and battery 6 cooperate, after battery 6 moves up, two probe assemblies 4 in one group anode with battery 6 respectively
It is bonded with negative electrode, so that battery 6 is melted into, and negative pressure component 5 then coincide with the liquid injection hole 61 on battery cover board and connects
It is logical, with to being vacuumized in battery 6.
Specifically, as shown in Figure 2,3, negative pressure component 5 includes fixed cylinder 51 and vacuum cup 52, wherein fixed cylinder 51 is in two
The tubular being all closed is held, fixed cylinder 51 is vertically fixed on the lower end surface of upper mounted plate 11, and vacuum cup 52 is also in hollow circle
Column, vacuum cup 52, which slides axially, to be connected in fixed cylinder 51, and the upper end of vacuum cup 52 is provided with aspirating hole 522, is used for and true
72 connection of sky pump, the lower end of vacuum cup 52 have the suction nozzle 53 for extending downwardly that fixed cylinder 51 is outer and is connected to 52 inner cavity of vacuum cup,
Suction nozzle 53 is made of flexible materials such as rubber, and suction nozzle 53, vacuum cup 52 and fixed cylinder 51 are coaxially disposed, and 51 He of fixed cylinder
The rotating mechanism that driving vacuum cup 52 is axially rotated around suction nozzle 53 when suction nozzle 53 being made to be pressurized is additionally provided between vacuum cup 52.As Fig. 3,
Shown in Fig. 4, rotating mechanism includes the guide groove 511 being opened on 51 side wall of fixed cylinder and the sliding block on 52 side wall of vacuum cup
521, guide groove 511 is along the circumferential direction spiral from bottom to top of fixed cylinder 51, and helix angle is between 30~60 °, preferably
45 °, sliding block 521 is embedded in guide groove 511 and is slidably matched with guide groove 511, in this way, when suction nozzle 53 and battery cover board against by
When pressure, the relatively fixed cylinder 51 of vacuum cup 52 is moved up, while sliding block 521 is slided along guide groove 511, to drive vacuum cup 52
Axis around suction nozzle 53 rotates, suction nozzle 53 and battery cover board against end face with respect to battery cover board rotation, with adjust automatically suction nozzle
Position between 53 and battery cover board makes suction nozzle 53 recline with battery cover board closer.Reset spring is additionally provided in fixed cylinder 51
54, the both ends of reset spring 54 respectively with the roof of vacuum cup 52 and the roof of fixed cylinder 51 against.Certainly, vacuum cup 52 can
Moved downward under gravity to reset, and the setting of reset spring 54 can be further ensured that the timeliness of reset with surely
It is qualitative.
Further, the guide groove 511 and sliding block 521 can be one be also possible to be it is multiple, if it is
Multiple, then guide groove 511 is identical with the quantity of sliding block 521 and corresponds, and guide groove 511 and sliding block 521 are around fixed cylinder
51 axial line is uniformly distributed.In the present embodiment, as shown in figure 4, rotating mechanism is symmetrically arranged two, 511 edge of guide groove
The axial projection of fixed cylinder 51 is arc-shaped in 60 °, and certainly, arc-shaped angle can be 45 °, be also possible to 90 °, so both
It can guarantee the structural strength of fixed cylinder 51, and the stress of vacuum cup 52 can be made more to balance, rotation is more convenient.
Further, as shown in figure 5, being provided with through-hole on suction nozzle 53, the end of suction nozzle 53 has supporting around through-hole setting
Relying part 531, butting section 531 are made of flexible materials such as rubber or resins, and the lower end surface of butting section 531 has to be set around through-hole
The annular convex platform 531a set, and the lower end surface of butting section 531 is also provided with the annular groove 531b of several circular annular convex platform 531a,
The diameter of these annular grooves 531b is sequentially increased, and the sealing lip 531c of annular is respectively formed between adjacent annular groove 531b；
Liquid injection hole 61 on battery cover board is the stepped hole that front end is in flared, and suction nozzle 53 is with liquid injection hole 61 against rear, annular convex platform
531a can be embedded in the stepped hole and and step surface against, meanwhile, the lower end surface of butting section 531 and battery cover board are against making
It is formed multi-sealed between sealing lip 531c and battery cover board, avoids leaking between suction nozzle 53 and liquid injection hole 61.
As shown in Fig. 2, the aspirating hole 522 of vacuum cup 52 is connected with vacuum pump 72 by negative-pressure pipeline, negative-pressure pipeline is used
Rubber hose, and there are certain surpluses in the position of aspirating hole 522 for negative-pressure pipeline, generate vacuum cup 52 will not when rotating dry
It relates to.The extraction raffinate tank 73 and surge tank 75 being connected, extraction raffinate are also successively arranged on negative-pressure pipeline to the negative pressure line 71 of vacuum pump 72
The bottom of tank 73 is provided with leakage fluid dram and is connected to holding vessel 74, can will be in battery 6 in this way, when vacuum pump 72 vacuumizes battery 6
Gas and partially liq be pumped into negative-pressure pipeline, can enter in holding vessel 74 from leakage fluid dram and stores up after liquid enters extraction raffinate tank 73
It deposits, realizes the separation of gas and liquid.Wherein, vacuum is additionally provided in the negative pressure line 71 of 52 bracket of extraction raffinate tank 73 and vacuum cup
Table 76.Negative pressure line 71 and vacuum cup 52 are all made of the resistant materials such as corrosion-resistant plastic or anti-corrosive rubber and are made.
In the present embodiment, elevating mechanism 3 can be the hydraulic cylinder being vertically arranged on upper mounted plate 11 or bottom plate 12,
The hydraulic stem and pallet 2 of hydraulic cylinder are connected, and pass through the flexible lifting that pallet 2 can be realized of hydraulic cylinder.Certainly, elevating mechanism 3
Also rack and pinion drive mechanism or lead screw transmission mechanism can also be used.
Embodiment two
The technical solution of the present embodiment and the technical solution of embodiment one are essentially identical, the difference is that, the present embodiment
In, the rotating mechanism between vacuum cup 52 and fixed cylinder 51 include the guide groove 511 being provided on vacuum cup 52 and be located at fix
Sliding block 521 on 51 inner walls of cylinder, guide groove 511 also along the circumferential direction of vacuum cup 52, lead from bottom to top by spiral, the insertion of sliding block 521
It is slidably matched into slot 511 and with guide groove 511, in this way, also can be realized after suction nozzle 53 is pressurized, vacuum cup 52 and suction nozzle 53
Rotation.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although rack 1, pallet 2, elevating mechanism 3, probe assembly 4, negative pressure component 5, fixed cylinder is used more herein
51, the terms such as vacuum cup 52, suction nozzle 53, negative pressure line 71, vacuum pump 72, extraction raffinate tank 73, holding vessel 74, surge tank 75, but simultaneously
A possibility that being not excluded for using other terms.The use of these items is only for be more convenient to describe and explain the utility model
Essence；It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.
Claims (8)
1. a kind of battery negative pressure formation device, including rack (1), the rack (1) is equipped with the pallet for placing battery (6)
(2), for the elevating mechanism (3) of lifting tray (2), the probe assembly (4) for being melted into battery (6) and for electricity
The negative pressure component (5) that pond (6) vacuumizes, which is characterized in that the negative pressure component (5) includes fixed cylinder (51), is slidably connected to
Vacuum cup (52) in fixed cylinder (51), the vacuum cup (52) have and vacuum cup (52) inner cavity towards one end of pallet (2)
The suction nozzle (53) of connection, the suction nozzle (53) are made of flexible material, are set between the fixed cylinder (51) and vacuum cup (52)
There is the rotating mechanism for driving vacuum cup (52) to rotate around suction nozzle (53) axis when enabling suction nozzle (53) by upward thrust.
2. battery negative pressure formation device according to claim 1, which is characterized in that the fixed cylinder (51), vacuum cup
(52) it is respectively positioned on same axis with suction nozzle (53), the rotating mechanism includes the guide groove being opened on fixed cylinder (51) side wall
(511) and be located at vacuum cup (52) lateral wall on sliding block (521) or including being opened in leading on vacuum cup (52) lateral wall
To slot (511) and the sliding block (521) being located on fixed cylinder (51) inner wall, circumferential direction of the guide groove (511) along fixed cylinder (51)
Spiral from bottom to top, sliding block (521) insertion guide groove (511) is interior and is slidably matched with guide groove (511).
3. battery negative pressure formation device according to claim 2, which is characterized in that being additionally provided in the fixed cylinder (51) makes
Vacuum cup (52) relatively fixed cylinder (51) has the reset spring (54) for the trend that moves downward always.
4. battery negative pressure formation device according to claim 3, which is characterized in that the spiral liter of the guide groove (511)
Angle is 30~60 °.
5. battery negative pressure formation device according to claim 4, which is characterized in that the guide groove (511) and sliding block
(521) it is multiple and corresponds, the guide groove (511) and axial line of the sliding block (521) around fixed cylinder (51) is uniform
Distribution.
6. battery negative pressure formation device described according to claim 1 or 2 or 3 or 4 or 5, which is characterized in that the suction nozzle (53)
With through-hole, the end of the suction nozzle (53) has the butting section for being arranged and being used for fit and abut with battery cover board around through-hole
(531), the butting section (531) is towards having the annular convex platform (531a) around through-hole setting on the end face of pallet (2).
7. battery negative pressure formation device according to claim 6, which is characterized in that the lower end surface of the butting section (531)
On be also provided with several concentric annular grooves (531b), the annular groove (531b) is arranged around annular convex platform (531a),
The sealing lip (531c) of annular is formed between adjacent annular groove (531b).
8. battery negative pressure formation device according to claim 7, which is characterized in that be also provided with pumping on the vacuum cup (52)
Stomata (522), the aspirating hole (522) are connected with vacuum pump (72) by negative-pressure pipeline, the aspirating hole (522) and vacuum pump
(72) extraction raffinate tank (73) and surge tank (75) are successively arranged on the negative-pressure pipeline between, the bottom of the extraction raffinate tank (73) is also connected with
There are holding vessel (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483479.7U CN209515885U (en) | 2019-04-10 | 2019-04-10 | A kind of battery negative pressure formation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483479.7U CN209515885U (en) | 2019-04-10 | 2019-04-10 | A kind of battery negative pressure formation device |
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| Publication Number | Publication Date |
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| CN209515885U true CN209515885U (en) | 2019-10-18 |
Family
ID=68189283
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| CN201920483479.7U Active CN209515885U (en) | 2019-04-10 | 2019-04-10 | A kind of battery negative pressure formation device |
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| CN (1) | CN209515885U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531211A (en) * | 2021-07-08 | 2021-10-22 | 闫虎 | Submarine pipeline erecting device for ocean engineering based on buoyancy locking |
| CN114421100A (en) * | 2021-10-15 | 2022-04-29 | 芜湖天弋能源科技有限公司 | Liquid injection hole correction and injection device for lithium battery |
| EP4216330A1 (en) * | 2022-01-19 | 2023-07-26 | Contemporary Amperex Technology Co., Limited | Formation system |
-
2019
- 2019-04-10 CN CN201920483479.7U patent/CN209515885U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531211A (en) * | 2021-07-08 | 2021-10-22 | 闫虎 | Submarine pipeline erecting device for ocean engineering based on buoyancy locking |
| CN114421100A (en) * | 2021-10-15 | 2022-04-29 | 芜湖天弋能源科技有限公司 | Liquid injection hole correction and injection device for lithium battery |
| CN114421100B (en) * | 2021-10-15 | 2023-08-01 | 芜湖天弋能源科技有限公司 | Lithium battery annotates liquid Kong Jiaozheng annotates liquid device |
| EP4216330A1 (en) * | 2022-01-19 | 2023-07-26 | Contemporary Amperex Technology Co., Limited | Formation system |
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