CN110459703A - A kind of cell apparatus and electronic equipment - Google Patents
A kind of cell apparatus and electronic equipment Download PDFInfo
- Publication number
- CN110459703A CN110459703A CN201910743343.XA CN201910743343A CN110459703A CN 110459703 A CN110459703 A CN 110459703A CN 201910743343 A CN201910743343 A CN 201910743343A CN 110459703 A CN110459703 A CN 110459703A
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- China
- Prior art keywords
- cylindrical sidewall
- shell
- cell apparatus
- open end
- outer diameter
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/109—Primary casings; Jackets or wrappings characterised by their shape or physical structure of button or coin shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The invention discloses a kind of cell apparatus and electronic equipments.The cell apparatus includes first shell and second shell；First shell includes the first cylindrical sidewall and the top cover that first cylindrical sidewall one end is arranged in；Second shell includes the second cylindrical sidewall and the bottom cover that second cylindrical sidewall one end is arranged in, and the second cylindrical sidewall includes assembly area and free space；First shell is snapped together with second shell in the opposite form in open end, and the first cylindrical sidewall is wrapped on the outside of the assembly area of the second cylindrical sidewall；Insulating sealer is provided between the first cylindrical sidewall and the second cylindrical sidewall；First shell and second shell enclose accommodating chamber, and battery core is housed in accommodating chamber；When the pressure in accommodating chamber reaches preset value, the fastening structure between first shell and second shell is destroyed, to carry out pressure release.A technical effect of the invention are as follows: under conditions of meeting cell apparatus sealing, moreover it is possible to timely carry out pressure release.
Description
Technical field
The present invention relates to technology field of energy storage device, more particularly it relates to which a kind of cell apparatus and electronics are set
It is standby.
Background technique
Setting battery is usually required in electronic product, is powered by battery, to realize the normal use of electronic equipment.
And for the needs of waterproof and dustproof, existing battery is usually integral sealing, and the structure at each position of battery case
Similar intensity.However, due to battery design or the defect of manufacture, when non-normal use or when overcharging, it is more likely that meeting
Lead to batteries caught fire, it is more serious to cause battery explosion.Based on the considerations of to battery security, Gu it needs in inside battery pressure
Battery case can destroy the leakproofness of itself when power is excessive, in order to timely carry out pressure release, prevent bad accident.
Button cell is chiefly used in electronic product.In existing technical solution, button cell generally includes two half-shells
Body and sealing element.Two half shells can be interconnected by press-fit.Sealing element be located at two half shells it
Between.Certainly, two half shells can also be connected with each other according to interlocking mode in the axial direction.It is connected to when by two half shells
After together, two half shells have along double wall regions axially overlapping each other, i.e., the side wall of two half shells is substantially completely heavy
It stacks.When generating biggish pressure in the inner cavity of battery case, under the effect of the pressure, two half shells are along axial
Relative movement finally destroys the sealing structure of two half shells, makes two so that the width of the double wall regions to overlap each other reduces
Half shell separation, to carry out pressure release.In addition, relief hole is also provided in half shell, when the inner cavity of relief hole and battery case
When connection, pressure release appropriate can also be carried out by relief hole.
However, existing this button cell, when being installed, axial distance is usually fixation, this makes two
A half shell, which is axially moveable, becomes more difficult, it is easy to cause pressure release to fail, and battery needs biggish displacement could shape
It at protection, protects reaction speed relatively slow, it is more to overstock energy, it is easy to cause danger, influence the safety that battery uses
Property.Accordingly, it is desirable to provide a kind of new technical solution, to solve the above technical problems.
Summary of the invention
It is an object of the present invention to provide the new solutions of a kind of cell apparatus and electronic equipment.
According to the first aspect of the invention, a kind of cell apparatus is provided, comprising:
First shell, the first shell include the first cylindrical sidewall and the top that first cylindrical sidewall one end is arranged in
Lid；And
Second shell, the second shell include the second cylindrical sidewall and the bottom that second cylindrical sidewall one end is arranged in
Lid, second cylindrical sidewall includes assembly area and free space；
The first shell is snapped together with the second shell in the opposite form in open end, and first tubular
Side wall is wrapped on the outside of the assembly area of second cylindrical sidewall；In first cylindrical sidewall and second cylindrical sidewall
Between be provided with insulating sealer；First shell and second shell enclose accommodating chamber, and battery core is housed in accommodating chamber；When described
When pressure in accommodating chamber reaches preset value, the fastening structure between the first shell and the second shell is destroyed, and is used
To carry out pressure release.
Optionally, in second cylindrical sidewall, the area ratio of the assembly area and the free space is 1:
1-1:10。
Optionally, the outer diameter of first cylindrical sidewall is greater than the outer diameter of second cylindrical sidewall；It is described
The internal diameter of first cylindrical sidewall is adapted with the outer diameter of second cylindrical sidewall.
Optionally, it is formed and is recessed inwardly in a manner of roll forming close to the position of open end in second cylindrical sidewall
Slot rolling；
First cylindrical sidewall close to open end the circumferentially arranged oriented slot rolling curving in position it is curved
Folding part, the bending part are fastened in the slot rolling.
Optionally, the outer diameter of first cylindrical sidewall is identical as the outer diameter of second cylindrical sidewall.
Optionally, closing-in structure, the closing-in structure are formed with close to the position of open end in second cylindrical sidewall
Outer diameter be adapted with the internal diameter of first cylindrical sidewall, the closing-in structure is inserted into first tubular side
In wall.
Optionally, on the top cover of the first shell and multiple pits are respectively formed on the bottom cover of the second shell；
The pit is configurable for the tab of welding electric core.
Optionally, the first tab of the battery core is connected with the top cover in a manner of penetrating welding；
Second tab of the battery core is connect in a manner of penetrating welding with the bottom cover.
Optionally, the insulating sealer is in such a way that thermo-sensitive resin material is by injection molding or extrusion forming
It is made.
Optionally, the sealing insulator is stretched out from the open end of the first shell, and the length of the section of stretching out is at least
For 0.5mm.
According to the second aspect of the invention, a kind of electronic equipment is provided.The electronic equipment includes above-mentioned cell apparatus.
According to one embodiment of the disclosure, in the cell apparatus, using the first shell and second snapped together
Shell is sealed protection to battery core, when generating biggish pressure in the accommodating chamber that first shell and second shell enclose,
First shell and second shell can destroy the fastening structure of two housings formation without generating biggish displacement in axial direction
To carry out pressure release, to ensure that the safety of battery.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the structural schematic diagram according to the cell apparatus of one embodiment of the disclosure.
Fig. 2 is the structural exploded view according to the cell apparatus of one embodiment of the disclosure.
Fig. 3 is the enlarged diagram in Fig. 1 at A.
Fig. 4 is the enlarged diagram in Fig. 1 at B.
Fig. 5 is the enlarged diagram in Fig. 1 at C.
Fig. 6 is the structure according to another cell apparatus of one embodiment of the disclosure.
Fig. 7 is the enlarged diagram in Fig. 6 at A.
Description of symbols:
The first insulating film of 1-；2- first shell, the first cylindrical sidewall of 201-；202- top cover；3- insulating sealer；4- electricity
Core；The first tab of 401-；The second tab of 402-；5- second shell；The second cylindrical sidewall of 501-；The assembly area 5011-；5012-
Free space；5013- slot rolling；502- bottom cover；The second insulating film of 6-；7- pit；8- relief hole.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
According to one embodiment of the disclosure, a kind of cell apparatus is provided.As shown in Fig. 1-2 and Fig. 6, the cell apparatus
For one-shot battery or secondary cell comprising snap together first shell 2 and second shell 5.Wherein, 2 He of first shell
The material of second shell 5 is metal material, for example, aluminum alloy materials, Cu alloy material, stainless steel material etc..First shell
2 and second shell 5 can respectively as two electrodes of cell apparatus, such as the anode by first shell 2 as cell apparatus, will
Cathode of the second shell 5 as cell apparatus.
As shown in figures 1 to 6, first shell 2 includes the first cylindrical sidewall 201 and is arranged in the first cylindrical sidewall 201 1
The top cover 202 at end.One end opposite with top cover 202 of first cylindrical sidewall 201 is its open end.Second shell 5 includes second
Cylindrical sidewall 501 and the bottom cover 502 that 501 one end of the second cylindrical sidewall is set.Second cylindrical sidewall 501 with 502 phase of bottom cover
Pair one end be its open end.Also, the second cylindrical sidewall 501 includes assembly area 5011 and free space 5012.Wherein, it fills
Part with the close open end that region 5011 is the second cylindrical sidewall 501, and free space 5012 is the second cylindrical sidewall 501
Separate open end part.
In the present embodiment, first shell 2 is snapped together with second shell 5 in the opposite form in open end, and first
Cylindrical sidewall 201 is wrapped in 5011 outside of assembly area of the second cylindrical sidewall 501.That is, working as first shell 2 and second
After shell 5 snaps together, the first cylindrical sidewall 201 and the second cylindrical sidewall 501 be not it is completely overlapped, but first
Assembly area 501 of the shape side wall 201 only with the second cylindrical sidewall 501 overlaps to form double wall regions.In 201 He of the first cylindrical sidewall
Insulating sealer 3 is provided between second cylindrical sidewall 501.For example, the internal diameter of the first cylindrical sidewall 201 is greater than the second tubular side
The outer diameter of wall 501.Insulating sealer 3 uses insulated ring.By between the first cylindrical sidewall 201 and the second cylindrical sidewall 501
Sealing ring is set, good insulation and sealing effect can be played, can make to be formed between first shell 2 and second shell 5 good
Sealing structure.
After first shell 2 is snapped together with second shell 5 in the opposite form in open end, at this time by first shell
2 and second shell 5 be enclosed accommodating chamber jointly.Battery core 4 in cell apparatus, which is received, to be arranged inside the accommodating chamber.The
One shell 2 and second shell 5 can seal battery core 4, to protect to battery core 4, can play the work of waterproof and dustproof
With.
Battery core 4 is first placed into second shell 5 by cell apparatus provided in an embodiment of the present invention before being assembled
Portion, and insulating sealer 3, such as insulated ring are set in the outside of the second cylindrical sidewall 501.Wherein, it should be noted that electricity
Core 4 can be, but not limited to, lithium-ion electric core, lithium metal battery core etc., naturally it is also possible to be it is well known to those skilled in the art its
The battery core of its type.Then, the open end of first shell 2 is opposite with the open end of second shell 5, and by the second cylindrical sidewall
501 are inserted into the first cylindrical sidewall 201.The receipts for accommodating battery core 4 are formed in the inside of first shell 2 and second shell 5
Cavity.First cylindrical sidewall 201 is squeezed to the direction close to the second cylindrical sidewall 501, to carry out better seal.
Cell apparatus provided in an embodiment of the present invention, under conditions of meeting cell apparatus sealing, moreover it is possible to timely carry out
Pressure release can be such that cell apparatus uses safer.
Cell apparatus provided in an embodiment of the present invention, after first shell 2 is snapped together with second shell 5, first
Shape side wall 201 and the second cylindrical sidewall 501 be not it is completely overlapped form double-walled construction together, but the first cylindrical sidewall
201 only wrap the assembly area 5011 of the second cylindrical sidewall 501, i.e., only in the open end close to the second cylindrical sidewall 501
Position forms the double-walled construction of overlapping.In an optional example of the invention, in the second cylindrical sidewall 501, assembly area
5011 with the area ratio of free space 5012 be 1:1-1:10.Inventors have found that in the proportional region, when first shell 2
When generating biggish pressure in the accommodating chamber enclosed with second shell 5 (when being greater than default pressure), first shell 2 and
Two shells 5 can make second shell 5 that certain deformation locally occur, the change without generating biggish displacement in axial direction
Shape can destroy original fastening structure between first shell 2 and second shell 5, so as to timely carry out pressure release, to protect
The safety that card cell apparatus uses.
For example, can be radially locally deformed with, cross section is by circle when second shell 5 is by internal pressure
It is deformed into the shapes such as similar ellipse.Specifically: when the pressure in accommodating chamber reaches 2MPa, the first cylindrical sidewall 201 is protected
Original shape is held, the second cylindrical sidewall 501 deforms in open end, the Zona transformans of the open end of the second cylindrical sidewall 501
The deformation at the dynamic position close to top cover 202, so that the fastening structure to be formed be made to be destroyed, and forms hole, so that in accommodating chamber
Portion's gas is overflowed from destruction place, and then realizes pressure release.
Since cell apparatus of the invention is to carry out pressure release by the deformation of second shell 5, such design will not
Cause significantly first shell 2 with second shell 5 separate situation, it is less to extraneous destruction, it is also safer.
In addition, as shown in Fig. 2, being respectively arranged on the top cover 202 of first shell 2 and on the bottom cover 502 of second shell 5
Multiple relief holes 8.When generating pressure inside cell apparatus, pressure release appropriate can also be carried out by relief hole 8.
In order to realize the good mutual assembly between first shell 2 and second shell 5, for first shell 2 and second shell
The size of body 5 should be controlled reasonably.
In an optional example of the invention, as shown in figures 1 and 3, the outer diameter of the first cylindrical sidewall 201 is greater than
The outer diameter of second cylindrical sidewall 501.The internal diameter of first cylindrical sidewall 201 should be outer with the second cylindrical sidewall 501
Diameter size is adapted.Also, insulating sealer 3, example are provided between the first cylindrical sidewall 201 and the second cylindrical sidewall 501
Such as sealing ring.At this point it is possible to the assembly area 5011 of the second cylindrical sidewall 501 is inserted into inside the first cylindrical sidewall 201, with
So that the two is assembled together, forms the protection structure to battery core 4.
In the present embodiment, the sunk structure being recessed inwardly is formed close to the position of open end in the second cylindrical sidewall 501.Example
Such as, which can be formed by the way of roll forming, i.e., the shape on the assembly area 5011 of the second cylindrical sidewall 501
At slot rolling 5013.Also, in the first cylindrical sidewall 201 close to circumferentially arranged oriented 5,013 1 lateral bending of slot rolling in position of open end
Bent bending part, the bending part can be fastened in slot rolling 5013 just.Which can make first shell 2 and second shell 5
It closely snaps together, the condition of energy further satisfaction cell apparatus sealing effectively prevent first shell 2 and second shell 5
Separation, so as to which internal battery core 4 is effectively protected.Also, when internal pressure is larger, first shell 2 and second
Fastening structure between shell 5 is easily broken, and then can timely carry out pressure release, avoids that the things such as battery explosion occur
Therefore.
In an optional example of the invention, as shown in Figure 6 and Figure 7, the outer diameter of the first cylindrical sidewall 201 and the
The outer diameter of two cylindrical sidewalls 501 is identical.In the present embodiment, in the second cylindrical sidewall 501 close to the part of open end, that is, fill
A kind of closing-in structure is formed with region 5011.The closing-in structure for example can be the closing-in structure of step.The closing-in structure
Outer diameter is adapted with the internal diameter of the first cylindrical sidewall 201.The closing-in structure is inserted into the first cylindrical sidewall 201,
And insulating sealer 3, such as sealing ring are provided between the first cylindrical sidewall 201 and the second cylindrical sidewall 501.The structure is more
Add simply, and since the first cylindrical sidewall 201 is identical as the outer diameter of the second cylindrical sidewall 501, on the cell apparatus of formation
Lower size is consistent, convenient for being assembled into electronic product.Moreover, under this structure, when it is internal generates biggish pressure,
Fastening structure between first shell 2 and second shell 5 easily can also be just deteriorated, to realize timely pressure release
Effect.
Cell apparatus provided in an embodiment of the present invention, be respectively arranged on two end faces of battery core 4 first tab 401,
Second tab 402.In an optional example of the invention, the first tab 401 of battery core 4 is by the way of penetrating welding and top
Lid 202 connects.Similarly, the second tab 402 of battery core 4 is connect by the way of penetrating welding with bottom cover 502.And in order to realize
Welding is penetrated, as shown in Figure 4 and Figure 5, is pre-formed with multiple pits for welding respectively on top cover 202 and bottom cover 502
7。
In addition, cell apparatus provided in an embodiment of the present invention, as shown in figures 1 to 6, battery core 4 the first tab 401 with
The first insulating film 1 is provided between top cover 202.Similarly, is provided between the second tab 402 and bottom cover 502 of battery core 4
Two insulating films 2, to avoid there is short circuit phenomenon.
Insulating sealer 3 of the invention can be made of thermo-sensitive resin material.The thermo-sensitive resin material have by
The performance shunk can be generated after heat.At this point, when cell apparatus because a variety of causes causes temperature to be increased to predetermined temperature, such as 150
DEG C, which can generate contraction after heated due to the characteristic of material, to make first shell 2 and second shell 5
Between sealing structure be deteriorated, the pressure inside cell apparatus can smoothly be discharged at this time, be avoided that generation electricity
The case where pond is exploded.The insulating sealer 3 can be by thermo-sensitive resin material by way of injection molding or extrusion forming
It is processed into.
As shown in figures 1 and 3, insulating sealer 3 of the invention is not entirely located in the first cylindrical sidewall 201 and second
Between cylindrical sidewall 501, but edge sealing element 3 also stretches out certain length outward from the open end of first shell 2, i.e., from
Expose in one shell 2.Also, insulating sealer 3 stretch out from the open end of first shell 2 one section close to the of second shell 5
Two cylindrical sidewalls 501.For example, the length of the section of stretching out is at least 0.5mm.It is in the present invention using the purpose of the design: energy
Prevent first shell 2 and second shell 5 from short circuit occurs.
According to another embodiment of the present disclosure, a kind of electronic equipment is provided.The electronic equipment can be but not limit to
In mobile phone, tablet computer, smartwatch, laptop, game machine, intercom, earphone, E-book reader etc..
Above-mentioned electronic equipment includes shell and above-mentioned cell apparatus.It is provided with PCB inside the shell.Cell apparatus is set
Inside the shell, and by PCB it is electrically connected with the electrical equipment in electronic equipment, to be powered to electrical equipment, so that electric
Sub- equipment can be used normally.
Electronic equipment of the invention has the characteristics that security performance is excellent.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (11)
1. a kind of cell apparatus, it is characterised in that: include:
First shell, the first shell include the first cylindrical sidewall and the top cover that first cylindrical sidewall one end is arranged in；
And
Second shell, the second shell include the second cylindrical sidewall and the bottom cover that second cylindrical sidewall one end is arranged in,
Second cylindrical sidewall includes assembly area and free space；
The first shell is snapped together with the second shell in the opposite form in open end, and first cylindrical sidewall
It is wrapped on the outside of the assembly area of second cylindrical sidewall；Between first cylindrical sidewall and second cylindrical sidewall
It is provided with insulating sealer；First shell and second shell enclose accommodating chamber, and battery core is housed in accommodating chamber；When the receiving
When intracavitary pressure reaches preset value, the fastening structure between the first shell and the second shell is destroyed, into
Row pressure release.
2. cell apparatus according to claim 1, it is characterised in that: in second cylindrical sidewall, the assembly section
The area ratio of domain and the free space is 1:1-1:10.
3. cell apparatus according to claim 1, it is characterised in that: the outer diameter of first cylindrical sidewall is greater than institute
State the outer diameter of the second cylindrical sidewall；
The internal diameter of first cylindrical sidewall is adapted with the outer diameter of second cylindrical sidewall.
4. cell apparatus according to claim 3, it is characterised in that: in second cylindrical sidewall close to the portion of open end
Position forms the slot rolling being recessed inwardly in a manner of roll forming；
In first cylindrical sidewall close to the bending part of the circumferentially arranged oriented slot rolling curving in position of open end,
The bending part is fastened in the slot rolling.
5. cell apparatus according to claim 1, which is characterized in that the outer diameter of first cylindrical sidewall with it is described
The outer diameter of second cylindrical sidewall is identical.
6. cell apparatus according to claim 5, which is characterized in that in second cylindrical sidewall close to the portion of open end
Position is formed with closing-in structure, and the outer diameter of the closing-in structure is adapted with the internal diameter of first cylindrical sidewall, institute
Closing-in structure is stated to be inserted into first cylindrical sidewall.
7. cell apparatus according to claim 1, which is characterized in that on the top cover of the first shell and the second shell
Multiple pits are respectively formed on the bottom cover of body；
The pit is configurable for the tab of welding electric core.
8. cell apparatus according to claim 7, which is characterized in that the first tab of the battery core is to penetrate the side of welding
Formula is connected with the top cover；
Second tab of the battery core is connect in a manner of penetrating welding with the bottom cover.
9. cell apparatus according to claim 1, which is characterized in that the insulating sealer uses thermo-sensitive resin material
It is made by way of injection molding or extrusion forming.
10. cell apparatus according to claim 1, which is characterized in that the sealing insulator is from the first shell
Open end is stretched out, and the length of the section of stretching out is at least 0.5mm.
11. a kind of electronic equipment, it is characterised in that: including the cell apparatus as described in any one in claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743343.XA CN110459703B (en) | 2019-08-13 | Battery device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910743343.XA CN110459703B (en) | 2019-08-13 | Battery device and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110459703A true CN110459703A (en) | 2019-11-15 |
| CN110459703B CN110459703B (en) | 2024-05-31 |
Family
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954493A (en) * | 2019-12-17 | 2020-04-03 | 天目湖先进储能技术研究院有限公司 | Simulation battery device for in-situ detection of gas generation of solid-state battery |
| CN111129368A (en) * | 2019-12-31 | 2020-05-08 | 佛山陀普电子科技有限公司 | Lithium battery structure |
| CN111755633A (en) * | 2020-07-10 | 2020-10-09 | 瑞声科技（南京）有限公司 | Button cell |
| CN112952299A (en) * | 2021-03-11 | 2021-06-11 | 安徽利维能动力电池有限公司 | Winding type lithium battery cell pole piece structure |
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| CN111755633A (en) * | 2020-07-10 | 2020-10-09 | 瑞声科技（南京）有限公司 | Button cell |
| WO2022007031A1 (en) * | 2020-07-10 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Button battery |
| CN112952299A (en) * | 2021-03-11 | 2021-06-11 | 安徽利维能动力电池有限公司 | Winding type lithium battery cell pole piece structure |
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