CN205429014U - Battery and battery case thereof - Google Patents
Battery and battery case thereof Download PDFInfo
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- CN205429014U CN205429014U CN201521139204.XU CN201521139204U CN205429014U CN 205429014 U CN205429014 U CN 205429014U CN 201521139204 U CN201521139204 U CN 201521139204U CN 205429014 U CN205429014 U CN 205429014U
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- battery
- battery case
- lower casing
- upper casing
- casing
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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
Abstract
The utility model provides a battery and battery case thereof, wherein, this battery includes battery core and battery case, and the battery case further includes epitheca and inferior valve, and the material of epitheca and inferior valve is the metal, forms the battery case through the full zhou bowen seal welded of laser between epitheca and the inferior valve, and the battery core is located in the battery case. Compared with the prior art, the utility model provides a battery and battery case thereof, its battery case is metal material to full zhou bowen seal welded forms the hermetic cavity body through laser, and the battery core is located inside the battery case cavity. Because this battery case adopts the metal material to add laser welding process and makes, makes this battery structure have the characteristics that security height, good heat dissipation and leakproofness are strong.
Description
Technical field
This utility model relates to the technical field of battery packaging structure, is specifically related to a kind of battery and battery case thereof.
Background technology
Battery provides unit as a kind of conventional energy, and its safety receives much concern always.Traditional battery packaging structure is as shown in Figure 1, Fig. 1 is the partial sectional view of a kind of conventional battery packaging structure in prior art, the encapsulating structure of this battery is: battery 4 is loaded in metal tube 2, riveting reducing 5 is produced by riveting metal tube 2, end cover 3 is withheld in metal tube 2, forms the battery sealed.There is following defect in this cell package:
1. the poor sealing performance of riveting reducing 5, once can reveal after the electrolyte expanded by heating in battery from there.
2. the heat dispersion of battery is poor, is unfavorable for being combined into high power battery.
3. the poor safety performance of battery, particularly at shock, internal short-circuit etc. in particular cases, is particularly easy at riveting reducing 5 explode.
Utility model content
This utility model embodiment provides a kind of battery and battery case thereof, to solve the technical problem of battery security in prior art, sealing and poor radiation.
For solving the problems referred to above, this utility model embodiment provides a kind of battery, described battery includes battery and battery case, described battery case farther includes upper casing and lower casing, the material of described upper casing and described lower casing is metal, connecing the described battery case of formation by laser all-round ripple seal weld between described upper casing and described lower casing, described battery is located in described battery case.
According to this utility model one preferred embodiment, the material of described upper casing and described lower casing is rustless steel.
According to this utility model one preferred embodiment, described battery includes that many Battery packs core, described many Battery packs core are located in described battery case.
According to this utility model one preferred embodiment, described battery also includes lead-in wire, and described lead-in wire is connected with described many Battery packs core respectively, and the side of described upper casing or described lower casing is provided with fairlead, and described lead-in wire is drawn by described fairlead.
According to this utility model one preferred embodiment, the profile of described battery case includes cuboid, square, cylinder, spheroid.
According to this utility model one preferred embodiment, it is identical with described battery case interior shape that described battery is that electrolyte is packaged into by aluminium foil film, and then loads in described battery case.
According to this utility model one preferred embodiment, the quantity of described lead-in wire is one or more, it is one or two that the side of described upper casing or described lower casing is provided with the quantity of fairlead, and each fairlead is the most leaded to be passed through, and the peripheral dimension being slightly larger in dimension than described lead-in wire of described fairlead.
According to this utility model one preferred embodiment, the bottom of described lower casing is provided with the groove protruding from base plane.
For solving above-mentioned technical problem, this utility model embodiment further provides for a kind of battery case, described battery case includes that upper casing and lower casing, the material of described upper casing and described lower casing are metal, connects the described battery case of formation by laser all-round ripple seal weld between described upper casing and described lower casing.
According to this utility model one preferred embodiment, the material of described upper casing and described lower casing is rustless steel.
According to this utility model one preferred embodiment, the side of described upper casing or described lower casing is provided with the fairlead for drawing battery lead-in wire.
According to this utility model one preferred embodiment, the profile of described battery case includes cuboid, square, cylinder, spheroid.
According to this utility model one preferred embodiment, the bottom of described lower casing is provided with the groove protruding from base plane.
Relative to prior art, the battery of this utility model offer and battery case thereof, its battery case is metal material, and is connect the cavity forming sealing by laser all-round ripple seal weld, and battery is located at battery case inside cavity.Make owing to this battery case uses metal material to add laser welding process, make this battery structure have the advantages that safety is high, thermal diffusivity is good and sealing is strong.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the partial sectional view of a kind of conventional battery packaging structure in prior art；
Fig. 2 is the overall structure schematic diagram of this utility model battery first embodiment；
Fig. 3 is the partial sectional view of battery structure in Fig. 2 embodiment；
Fig. 4 is the structural representation of this utility model battery case welding method first embodiment；
Fig. 5 is the partial structurtes schematic diagram of battery structure in Fig. 2 embodiment；
Fig. 6 is the structural representation of this utility model battery case welding method the second embodiment；
Fig. 7 is the partial enlarged drawing of weld structure B in Fig. 6 embodiment；
Fig. 8 is the weld structure enlarged diagram of this utility model battery case welding method the 3rd embodiment；
Fig. 9 is the weld structure enlarged diagram of this utility model battery case welding method the 4th embodiment；
Figure 10 is the weld structure enlarged diagram of this utility model battery case welding method the 5th embodiment；
Figure 11 is the partial structurtes sectional view of this utility model battery the second embodiment；
Figure 12 is the partial structurtes sectional view of this utility model battery the 3rd embodiment；And
Figure 13 is the structural representation sketch of induction chip 400 in Figure 12 embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is described in further detail.It is emphasized that following example are merely to illustrate this utility model, but scope of the present utility model is not defined.Same, following example are only section Example of the present utility model and not all embodiments, all other embodiments that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
See also the overall structure schematic diagram that Fig. 2 and Fig. 3, Fig. 2 are this utility model battery first embodiments；Fig. 3 is the partial sectional view of battery structure in Fig. 2 embodiment.This battery includes but not limited to following structural detail: battery 100 and battery case 200.
Specifically, battery case 200 farther includes upper casing 210 and lower casing 220, and wherein, the material of upper casing 210 and lower casing 220 is metal, is connect the battery case 200 forming complete structure between upper casing 210 and lower casing 220 by laser all-round ripple seal weld；Battery 100 is located in battery case 200.In figure, 202 represent laser welding lines, and will be described in detail in the content below about the concrete structure of Type of Welding and laser welding lines 202 between upper casing 210 and lower casing 220.
Preferably, the material of this upper casing 210 and lower casing 220 is rustless steel, because the rustless steel advantages such as to have intensity high, corrosion-resistant.Concrete model about stainless steel will not enumerate herein.Wherein, the profile of battery case 200 is not limited to illustrate the rectangular structure with rounded corners in embodiment, it is also possible to include square, cylinder, spheroid and other irregularly shaped bodies.
This battery 100 is packaged into identical or similar with battery case 200 interior shape for electrolyte by aluminium foil film, and then loads in battery case 200.It is further preferred that this battery can include many Battery packs core (for indicating in figure), many Battery packs core is located in battery case 200.
This battery also includes going between 110, and lead-in wire 110 is connected with many Battery packs core respectively, and the side of lower casing 220 is provided with fairlead 221, and lead-in wire 110 passes through fairlead 221 and draws.Certainly, in other embodiments, fairlead can also be located on upper casing 210, in the range of the understanding of those skilled in the art, the most no longer describes in detail.Wherein, the quantity of lead-in wire 110 can be one or more, and the side of upper casing 210 or lower casing 220 is provided with the quantity of fairlead can also be for one or two, for ensureing the overall tightness of battery case 200, each fairlead is the most leaded to be passed through, and the peripheral dimension being slightly larger in dimension than lead-in wire of fairlead.
It is further preferred that the bottom of lower casing 220 is provided with the groove 222 protruding from base plane, effect and concrete structure about groove 222 will be described in detail in embodiment below.
It addition, this utility model embodiment also provides for a kind of battery case, the detail technical features about battery case refers to the specific descriptions in above-described embodiment, the most also repeats no more.
Relative to prior art, the battery of this utility model offer and battery case thereof, its battery case is metal material, and is connect the cavity forming sealing by laser all-round ripple seal weld, and battery is located at battery case inside cavity.Make owing to this battery case uses metal material to add laser welding process, make this battery structure have the advantages that safety is high, thermal diffusivity is good and sealing is strong.
This utility model also provides for the welding method of a kind of battery case, and this welding method is that by the welding of laser all-round ripple, the battery case being at least made up of two parts is formed sealing cavity.Specifically refer to following example.
Welding method embodiment 1
See also the structural representation that Fig. 2 and Fig. 4, Fig. 4 are this utility model battery case welding method first embodiments, i.e. the partial enlarged drawing of weld structure A in Fig. 2 embodiment；In this embodiment, the both sides welding edge (215 and 225) of the battery case welding portion side in parallel cells shell is overlapping against setting, the welding edge 215 of upper casing 210 at right angles bends relative to upper casing end face, the welding edge 225 of lower casing 220 is straight flange, the welding edge 215 being equivalent to upper casing 210 encases the welding edge 225 of lower casing 220, laser welding lines 202 outside the faying surface of both sides welding edge on undulate distribution.
Certainly, the straight line during the wave-like of laser welding lines 202 is not limited in the present embodiment diagram folds, it is also possible to linear for other similar waves such as sine, in the range of the understanding of those skilled in the art, will not enumerate herein.
See also the partial structurtes schematic diagram that Fig. 5, Fig. 5 are battery structures in Fig. 2 embodiment.Preferably, the minimum point of this ripple glaze (i.e. laser welding lines 202) strides across the base 2151 of welding edge 215.It is highly preferred that this ripple glaze is with the base 2151 of welding edge 215 for ripple glaze center line, i.e. the height that Fig. 5 medium wave Slippage is positioned at both sides, base 2151 is identical.
Preferably, the material of battery case 200 (including upper casing 210 and lower casing 220) is the rustless steel that 0.07mm is thick, and the spot diameter of laser welding is 0.08mm；Distance between adjacent peaks or the trough of waveform laser welding lines 202 be L be 0.16mm.
Welded advantage in this embodiment is: upper and lower shell is easy to manufacture, and bonding area (overlapping area of the most upper and lower welding edge) is big, good seal performance.
Welding method embodiment 2
See also the structural representation that Fig. 6 and Fig. 7, Fig. 6 are this utility model battery case welding method the second embodiments；Fig. 7 is the partial enlarged drawing of weld structure B in Fig. 6 embodiment.In this embodiment, the both sides welding edge (215,225) of battery case welding portion extends laterally along battery case side, and both sides welding edge (215,225) is overlapping against setting, laser welding lines 202 is upper undulate distribution outside the faying surface of both sides welding edge (215,225).
Preferably, both sides welding edge (215,225) at right angles bends both with respect to battery case side, it is also preferable that the material of battery case 200 (including upper casing 210 and lower casing 220) is the rustless steel that 0.07mm is thick, the spot diameter of laser welding is 0.08mm；Distance between adjacent peaks or the trough of waveform laser welding lines 202 is for 0.16mm (not indicating in the figure of the present embodiment, refer to Fig. 5).The wave-like of laser welding lines 202 is also not limited in the present embodiment the straight line in diagram and folds, it is also possible to linear for other similar waves such as sine.
Welded advantage in this embodiment is: upper and lower shell is easy to manufacture, and during assembling, the gap of upper and lower shell is little, and the reliability of laser welding is higher.
Welding method embodiment 3
Refer to Fig. 8, Fig. 8 is the weld structure enlarged diagram of this utility model battery case welding method the 3rd embodiment, in Fig. 6 embodiment, due to both sides welding edge (215, 225) at right angles bend both with respect to battery case side, welding edge is protruding relative to housing, so can increase the Outside Dimensions of battery case, therefore, this embodiment is as a kind of deformation of Fig. 6 embodiment, on the basis of Fig. 6 embodiment, overlap after welding is bent towards the direction in parallel cells shell-side face, to reduce the Outside Dimensions of battery case, make battery case entirety more attractive in appearance simultaneously.
Welding method embodiment 4
Refer to the weld structure enlarged diagram that Fig. 9, Fig. 9 are this utility model battery case welding method the 4th embodiments.In this embodiment, the side welding edge of battery case welding portion (is lower welding edge in this embodiment, in other embodiments can also be for upper welding edge) it is provided with the flange connector 225 being bent to form outside battery case, flange connector 225 encases the welding edge 215 of opposite side from outside, and both sides welding edge (flange 225 and welding edge 215) is overlapping against setting along the side surface direction of battery case, laser welding lines 202 is upper undulate distribution outside the faying surface of both sides welding edge (215,225).
Preferably, the material of battery case 200 (including upper casing 210 and lower casing 220) is similarly the rustless steel that 0.07mm is thick, and the spot diameter of laser welding is 0.08mm；Distance between adjacent peaks or the trough of waveform laser welding lines 202 is for 0.16mm (not indicating in the figure of the present embodiment, refer to Fig. 5).The wave-like of laser welding lines 202 is also not limited in the present embodiment the straight line in diagram and folds, it is also possible to linear for other similar waves such as linear type or sine.
Welded advantage in this embodiment is: upper and lower shell manufacture and assembling process are easy, can be completed the manufacture of upper and lower shell by stretching, and the reliability of laser welding is the highest.
Welding method embodiment 5
Refer to the weld structure enlarged diagram that Figure 10, Figure 10 are this utility model battery case welding method the 5th embodiments.In this embodiment, the side welding edge (in this embodiment for upper welding edge) of battery case welding portion is provided with the bending groove 215 in N-shaped, bending groove 215 integrated convex is in the end face of upper casing 210, in the welding edge 225 of opposite side inserts this bending groove 215 and with bending groove 215 medial surface against, laser welding lines 202 is in the upper undulate distribution outside face of both sides welding edge (the outside straight flange of bending groove 215 and welding edge 225).
Preferably, the material of battery case 200 (including upper casing 210 and lower casing 220) is similarly the rustless steel that 0.07mm is thick, and the spot diameter of laser welding is 0.08mm；Distance between adjacent peaks or the trough of waveform laser welding lines 202 is for 0.16mm (not indicating in the figure of the present embodiment, refer to Fig. 5).The wave-like of laser welding lines 202 is also not limited in the present embodiment the straight line in diagram and folds, it is also possible to linear for other similar waves such as linear type or sine.
Welded advantage in this embodiment is: upper casing 210 flange is buckled on lower casing 220, and this mode both can use spinning to seal, it is also possible to for the laser welded seal in the present embodiment.Its battery structure overall tightness and aesthetic property are preferable.
This utility model embodiment also provides for a kind of battery case and battery, and the profile of this battery case includes cuboid, square, cylinder, spheroid and other irregularly shaped bodies.The bottom of battery case is also provided with protruding from the groove (structure referring in Fig. 3, and the effect and concrete structure about groove will be described in detail in embodiment below) of base plane.It addition, other part-structures of this battery case and sealing means refer to the associated description in above-described embodiment, here is omitted.The battery that this utility model embodiment provides includes the battery case described in battery and above-described embodiment.About the specific structural features of battery, see also the associated description of Fig. 2-Figure 10 and correspondence thereof.
Further, this utility model embodiment also provides for a kind of battery, refers to the partial structurtes sectional view that Figure 11, Figure 11 are this utility model battery the second embodiments.This battery includes but not limited to following structural detail: battery 100 and battery case 200.
Specifically, battery case 200 farther includes upper casing 210 and lower casing 220, and wherein, the material of upper casing 210 and lower casing 220 can be metal, is connect the battery case 200 forming complete structure between upper casing 210 and lower casing 220 by laser all-round ripple seal weld；Battery 100 is located in battery case 200.In figure, 202 represent laser welding lines, and refer to the detailed content in above-described embodiment about the concrete structure of Type of Welding and laser welding lines 202 between upper casing 210 and lower casing 220 and describe.It is not repeated herein.
Preferably, the bottom of lower casing 220 is provided with the groove 222 protruding from base plane, and wherein, the version of groove 222 can be the bottom that strip, ring-type decile are distributed in lower casing 220, and quantity can also be one (ring) or a plurality of (ring).In order to overcome battery explosion to impact to external world, design this groove 222 as explosion-proof accumulator tank, when battery 100 is being heated, is being clashed into or when short circuit, and the volume of expansion is first filled in explosion-proof accumulator tank.It is further preferred that be additionally provided with safety vent 300 on the side of this lower casing 220, after battery 100 expand into the volume that volume exceedes explosion-proof accumulator tank, then leak out from the safety vent 300 of battery case.Can effectively prevent charged electrolyte inside battery 100 from directly penetrating at explosion time.It addition, this safety vent 300 is not limited to be located on lower casing 220, it is also possible to be located on upper casing 210.
Refer to the partial structurtes sectional view that Figure 12, Figure 12 are this utility model battery the 3rd embodiments；In order to control and detect the working condition of inside battery further, battery structure in this embodiment is internally provided with induction chip 400 at groove 222, induction chip 400 is for detecting inside battery situation, in order to pass to the information within battery case 2 control end.
See also the structural representation sketch that Figure 13, Figure 13 are induction chips 400 in Figure 12 embodiment.Temperature sensor 410, pressure transducer 420 and signal output part 430 it is further provided with on this induction chip 400.Lower casing 220 is provided with for by the through hole of signal output part 430 (not indicating in figure).Wherein, temperature sensor 410 is for sensing the temperature of present battery core 100；Pressure inductor 420 is for sensing the whether expanded by heating of present battery core, and transfers signals to induction chip 400, in order to judge whether the coefficient of expansion has over loading；Present battery core 100 working condition that induction chip 400 then detects for temperature sensor 410 and pressure transducer 420 temperature and pressure signal, distinguish battery 100 whether exist be heated, clash into, the situation such as short circuit, and whether disconnect present battery by signal output part 430 output signal notice external circuit.
Preferably, the material of this upper casing 210 and lower casing 220 can be all rustless steel, because the rustless steel advantages such as to have intensity high, corrosion-resistant.Concrete model about stainless steel will not enumerate herein.Wherein, the profile of battery case 200 is not limited to illustrate the similar rectangular structure in embodiment, it is also possible to include square, cylinder, spheroid and other irregularly shaped bodies.
This battery 100 is packaged into identical or similar with battery case 200 interior shape for electrolyte by aluminium foil film, and then loads in battery case 200.It is further preferred that this battery can include many Battery packs core (for indicating in figure), many Battery packs core is located in battery case 200.
This battery also includes going between 110, and lead-in wire 110 is connected with many Battery packs core respectively, and the side of lower casing 220 is provided with fairlead 221, and lead-in wire 110 passes through fairlead 221 and draws.Certainly, in other embodiments, fairlead can also be located on upper casing 210, in the range of the understanding of those skilled in the art, the most no longer describes in detail.Wherein, the quantity of lead-in wire 110 can be one or more, and the side of upper casing 210 or lower casing 220 is provided with the quantity of fairlead can also be for one or two, for ensureing the overall tightness of battery case 200, each fairlead is the most leaded to be passed through, and the peripheral dimension being slightly larger in dimension than lead-in wire of fairlead.
Relative to prior art, the battery that this utility model provides, by arranging safety vent and explosion-proof accumulator tank in battery case upper bottom portion, when battery has the situation of expansion explosion can play temporarily storage and the effect of buffering.It addition, also install induction chip in explosion-proof accumulator tank, may be used for the real-time detection to inside battery, ensure cell safety work further.Especially in high power battery group, needing long-time charging and relatively high power, common practice is all that baby battery is combined into high capacity cell.Inside set of cells Individual cells being heated occurs, clash into or short circuit time, can identify which battery goes wrong in time, cut off corresponding baby battery by external circuit in time, whole group of high power battery can be protected without damage.
The foregoing is only section Example of the present utility model; not thereby protection domain of the present utility model is limited; every equivalent device utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (13)
1. a battery, it is characterized in that, described battery includes battery and battery case, described battery case farther includes upper casing and lower casing, the material of described upper casing and described lower casing is metal, connecing the described battery case of formation by laser all-round ripple seal weld between described upper casing and described lower casing, described battery is located in described battery case.
Battery the most according to claim 1, it is characterised in that the material of described upper casing and described lower casing is rustless steel.
Battery the most according to claim 1, it is characterised in that described battery includes that many Battery packs core, described many Battery packs core are located in described battery case.
Battery the most according to claim 3, it is characterised in that described battery also includes lead-in wire, and described lead-in wire is connected with described many Battery packs core respectively, and the side of described upper casing or described lower casing is provided with fairlead, and described lead-in wire is drawn by described fairlead.
Battery the most according to claim 1, it is characterised in that the profile of described battery case includes cuboid, square, cylinder, spheroid.
Battery the most according to claim 1, it is characterised in that it is identical with described battery case interior shape that described battery is that electrolyte is packaged into by aluminium foil film, and then loads in described battery case.
Battery the most according to claim 4, it is characterized in that, the quantity of described lead-in wire is one or more, it is one or two that the side of described upper casing or described lower casing is provided with the quantity of fairlead, each fairlead is the most leaded to be passed through, and the peripheral dimension being slightly larger in dimension than described lead-in wire of described fairlead.
Battery the most according to claim 1, it is characterised in that the bottom of described lower casing is provided with the groove protruding from base plane.
9. a battery case, it is characterised in that described battery case includes that upper casing and lower casing, the material of described upper casing and described lower casing are metal, connects the described battery case of formation by laser all-round ripple seal weld between described upper casing and described lower casing.
Battery case the most according to claim 9, it is characterised in that the material of described upper casing and described lower casing is rustless steel.
11. battery cases according to claim 10, it is characterised in that the side of described upper casing or described lower casing is provided with the fairlead for drawing battery lead-in wire.
12. battery cases according to claim 10, it is characterised in that the profile of described battery case includes cuboid, square, cylinder, spheroid.
13. battery cases according to claim 10, it is characterised in that the bottom of described lower casing is provided with the groove protruding from base plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139204.XU CN205429014U (en) | 2015-12-31 | 2015-12-31 | Battery and battery case thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139204.XU CN205429014U (en) | 2015-12-31 | 2015-12-31 | Battery and battery case thereof |
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| CN205429014U true CN205429014U (en) | 2016-08-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131759A (en) * | 2016-08-31 | 2016-11-16 | 苏州倍声声学技术有限公司 | The double unit receiver of dynamic ferrum |
| WO2017113415A1 (en) * | 2015-12-31 | 2017-07-06 | 深圳市大富精工有限公司 | Battery, battery case and battery case welding method |
| WO2017113352A1 (en) * | 2015-12-31 | 2017-07-06 | 深圳市大富精工有限公司 | Battery |
| CN107615512A (en) * | 2015-12-31 | 2018-01-19 | 深圳市大富精工有限公司 | A kind of battery and its battery case |
| CN110114902A (en) * | 2016-12-19 | 2019-08-09 | 康奈可关精株式会社 | Battery pack |
| WO2024055209A1 (en) * | 2022-09-14 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Hard-shell battery detection device, method, and system |
-
2015
- 2015-12-31 CN CN201521139204.XU patent/CN205429014U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017113415A1 (en) * | 2015-12-31 | 2017-07-06 | 深圳市大富精工有限公司 | Battery, battery case and battery case welding method |
| WO2017113352A1 (en) * | 2015-12-31 | 2017-07-06 | 深圳市大富精工有限公司 | Battery |
| CN107615512A (en) * | 2015-12-31 | 2018-01-19 | 深圳市大富精工有限公司 | A kind of battery and its battery case |
| CN107615512B (en) * | 2015-12-31 | 2021-01-22 | 深圳市大富精工有限公司 | Battery and battery case thereof |
| CN106131759A (en) * | 2016-08-31 | 2016-11-16 | 苏州倍声声学技术有限公司 | The double unit receiver of dynamic ferrum |
| CN110114902A (en) * | 2016-12-19 | 2019-08-09 | 康奈可关精株式会社 | Battery pack |
| CN110114902B (en) * | 2016-12-19 | 2022-07-19 | 康奈可关精株式会社 | Battery pack |
| WO2024055209A1 (en) * | 2022-09-14 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Hard-shell battery detection device, method, and system |
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