CN209709036U - Battery and terminal device - Google Patents

Battery and terminal device Download PDF

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Publication number
CN209709036U
CN209709036U CN201920790833.0U CN201920790833U CN209709036U CN 209709036 U CN209709036 U CN 209709036U CN 201920790833 U CN201920790833 U CN 201920790833U CN 209709036 U CN209709036 U CN 209709036U
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CN
China
Prior art keywords
battery core
protection board
battery
plastics material
injected plastics
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Application number
CN201920790833.0U
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Chinese (zh)
Inventor
万鹏
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN201920790833.0U priority Critical patent/CN209709036U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Battery Mounting, Suspending (AREA)

Abstract

The disclosure is directed to a kind of battery and terminal devices.The battery includes battery core and protection board; battery core has battery core head; protection board and injected plastics material form protection board injection molding body by Shooting Technique; there is injected plastics material between protection board and battery core head; protection board injection molding body is contacted by injected plastics material with battery core head, and the hardness after injected plastics material solidifies is less than the hardness of part that battery core head is used to contact with protection board injection molding body.Since protection board injection molding body is contacted by injected plastics material with battery core head; and injected plastics material solidify after hardness be less than battery core hardness; therefore good protection just can be formed to battery core head by one component of protection board injection molding body; eliminate silicagel pad; mounting process is simplified, process costs and material cost are reduced;Moreover, the size of component in the longitudinal direction for protecting battery core head on the upside of battery core reduces, this allows for increase the size of battery core and obtaining bigger battery capacity.

Description

Battery and terminal device
Technical field
This disclosure relates to technical field of electronic components more particularly to a kind of battery and terminal device.
Background technique
As shown in Figure 1, the battery core head 1 of battery have tab 11, in PACK (assembling) technique of battery, tab 11 and 12 spot welding of protection board connection, in order to protect the component of protection board 12, is further sleeved with bracket 13, bracket in the outside of protection board 12 13 and protection board 12 it is fixed and form protection board entirety.
In protection board entirety, bracket 13 exceeds the about 0.5mm of protection board 12 on the length direction of battery core.Battery core head 1 also has the facade 10 perpendicular to length direction, and protection board is whole to also set up silicagel pad 14, silicagel pad 14 between the facade 10 Thickness be about 0.5mm, silicagel pad 14 is for protecting battery core head 1.
Above-mentioned battery has the disadvantages that
First, short circuit easily occurs near tab 11 for the component of protection board 12;
Second, it is higher that silicagel pad 14, bracket 13 and protection board 12, high process cost, material cost are assembled respectively;
Third, silicagel pad 14 and bracket 13 occupy more battery space in the longitudinal direction, and battery capacity is caused to be lost It is larger.
Utility model content
To overcome the problems in correlation technique, the disclosure provides a kind of battery and terminal device, the battery process at This and material cost are lower, and can have bigger battery capacity.
According to the first aspect of the embodiments of the present disclosure, a kind of battery, including battery core and protection board are provided, the battery core has Battery core head, the protection board and injected plastics material form protection board injection molding body by Shooting Technique, in the protection board and institute Stating has the injected plastics material between battery core head, the protection board injection molding body passes through the injected plastics material and the battery core head Portion's contact, the hardness after the injected plastics material solidifies are less than the portion that the battery core head is used to contact with the protection board injection molding body The hardness divided.
In at least one embodiment, there is the protection board protection board component and nickel sheet, the injected plastics material to cover It covers the protection board component and exposes the nickel sheet.
In at least one embodiment, the battery core head has the facade of the length direction perpendicular to the battery core, The injected plastics material is contacted with the facade.
In at least one embodiment, the battery core head has battery core edge sealing and tab, and the battery core edge sealing is from institute The back side for stating battery core head extends in the plane perpendicular to the facade, and the tab is stretched out from the battery core edge sealing, in institute Stating has the injected plastics material between battery core edge sealing and the protection board, the injected plastics material is Nian Jie with the battery core edge sealing solid Fixed, the nickel sheet is fixed with the tab welding.
In at least one embodiment, there is the injected plastics material, the note in the upper side and lower side of the protection board Moulding material exceeds the protection board 0.2mm to 0.3mm in the upper side and lower side of the protection board respectively.
In at least one embodiment, the injected plastics material is insulating materials, and the fusing point of the injected plastics material is high In 150 degrees Celsius.
In at least one embodiment, the injected plastics material is low-pressure hot-melting glue, and the fusing point of the low-pressure hot-melting glue is 180 degrees Celsius to 230 degrees Celsius, the injection pressure of the low-pressure hot-melting glue is 1bar to 60bar.
In at least one embodiment, the hardness after the injected plastics material solidifies is 60HA to 75HA.
In at least one embodiment, the battery is power battery.
According to the second aspect of an embodiment of the present disclosure, a kind of terminal device is provided, the terminal device includes above-mentioned electricity Pond.
The technical scheme provided by this disclosed embodiment can obtain it is following the utility model has the advantages that
In the battery, it is contacted by injected plastics material with battery core head due to protection board injection molding body, and injected plastics material solidifies Hardness afterwards is less than the hardness of battery core, therefore just can be formed to battery core head by one component of protection board injection molding body good Protection, eliminates silicagel pad;Reduce part count, simplify mounting process, to reduce process costs and material cost; Moreover, the size of component in the longitudinal direction for protecting battery core head on the upside of battery core reduces, this allows for add The size of big battery core and obtain bigger battery capacity.
Terminal device with the battery has bigger cruising ability.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is the schematic diagram of the exploded of existing battery.
Fig. 2 is the schematic diagram of the exploded of a specific embodiment of the battery that the disclosure provides.
Description of symbols:
1 battery core head, 10 facades, 11 tabs, 12 protection boards, 13 brackets, 14 silicagel pads;
2 battery core heads, 21 battery core bodies, 210 facades, 23 battery core edge sealing, 25 tabs, 3 protection board injection molding bodies.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The disclosure provides a kind of battery and the terminal device with the battery.It is described below the one of the battery of disclosure offer A specific embodiment.
Herein, " face side " for the side where cell contents silk-screen region being known as battery is (upper in such as Fig. 2 Side), the side opposite with face side is known as " back side " (downside in such as Fig. 2), and face side involved in this paper refers both to above-mentioned The face side of battery, back side involved in this paper refer both to the back side of above-mentioned battery.
It, can also will be in battery it should be appreciated that define above-mentioned face side and back side merely for the purpose for facilitating explanation The side opposite with back side is correspondingly known as face side by the back side that the side where holding silk-screen region is known as battery.
Side where tab is known as to " upside " (lower right side in such as Fig. 2) of battery, by the side opposite with upside Referred to as " downside " (upper left side in such as Fig. 2), related upside refers both to the upside of battery herein, and related downside is equal herein Refer to the downside of battery.
As shown in Fig. 2, the battery have battery core and protection board (invisible from Fig. 2), battery core in the longitudinal direction one Hold (upper end) that there is battery core head 2.Battery core head 2 has battery core body 21, battery core edge sealing 23 and tab 25, and battery core body 21 has There is the facade 210 perpendicular to length direction, battery core edge sealing 23 extends from the back side of battery core body 21, flat where battery core edge sealing 23 Face is vertical with facade 210 to form installation space between battery core edge sealing 23 and facade 210.
Tab 25 is installed on battery core edge sealing 23 and stretches out from battery core edge sealing 23, portion of the tab 25 to connect with battery core edge sealing 23 Position bends for base portion to the back side of battery core edge sealing 23.
Protection board is integrally formed as protection board injection molding body 3 by Shooting Technique with injected plastics material.
Shooting Technique is referred to following steps implementation:
With insulation (preferably, insulation impedance can be greater than 1015Ohm), it is resistant to high temperature that (preferably, fusing point can be higher than 150 degrees Celsius), solidify after be that soft (hardness after preferably, injected plastics material solidifies, which can be 60HA, is to 75HA) material Injected plastics material;
Protection board is placed within mold;
Injected plastics material is injected into mold at high temperature;
It reduces and is formed in mold after injected plastics material solidification in temperature and be integrally formed by injected plastics material and protection board Protection board injection molding body 3, from mold take out protection board injection molding body 3.
Above steps can be with reversed order under the premise of without prejudice to the principle of the disclosure.
It should be understood that the hardness after injected plastics material solidifies is not limited to 60HA (Shore A hardness) to 75HA (Shore A hardness), As long as its hardness is less than the hardness of the part for contacting with protection board injection molding body 3 on battery core head 2.
Preferably, hot melt adhesive can be used for injected plastics material.More preferably, can select fusing point is 180 degrees Celsius To 230 degrees Celsius, the low-pressure hot-melting glue that injection pressure is 1bar to 60bar, such as 861 glue of Bostik (boss).
The high process cost pressure injection of low-pressure injection molding is lower.
In protection board injection molding body 3, injected plastics material wraps up protection board substantially.Specifically, injected plastics material package protection board member Device exposes the nickel sheet of protection board simultaneously.
In this way, protection board component is injection molding material package and can be effectively prevented from short circuit.
Protection board injection molding body 3 is for being mounted on above-mentioned installation space, and protection board injection molding body 3 has positioned at protection board The injected plastics material at the back side and downside.
Injected plastics material when protection board injection molding body 3 to be installed in installation space, positioned at the back side of protection board injection molding body 3 It is adhesively fixed by adhesive and battery core edge sealing 23, nickel sheet is fixed with 25 spot welding of tab, this can be avoided 3 court of protection board injection molding body It rebounds to the face side of battery core.In addition, being located at the injected plastics material of the downside of protection board injection molding body 3 and the facade of battery core body 21 210 contacts, this can protect battery core head 2 from upside.
Since protection board injection molding body 3 is contacted by injected plastics material with battery core head 2, and injected plastics material solidify after hardness Less than the hardness for the part that battery core head 2 is used to contact with protection board injection molding body 3, therefore pass through 3 one portions of protection board injection molding body Part just can form good protection to battery core head 2, eliminate silicagel pad;In addition, reducing part count, installation is simplified Technique, to reduce process costs and material cost;Moreover, because the part count in installation space reduces to install sky Between shorten in the longitudinal direction, this allows for increase the size of battery core body 21 and obtaining bigger battery capacity.
Protection board injection molding body 3 can also have an injected plastics material in the upside of protection board, also, in the upside of protection board and The injected plastics material of downside can exceed protection board 0.25mm respectively, thus the size ratio of protection board injection molding body 3 in the longitudinal direction The big 0.5mm of the size of protection board in the longitudinal direction.
In this way, the size of installation space in the longitudinal direction is 0.5mm bigger than protection board, the size of installation space it is smaller and Injected plastics material is reasonably distributed in the longitudinal direction, and battery core head 2 can preferably be protected.
In other embodiments, injected plastics material can be other in the distance that the upper side and lower side of protection board exceeds, excellent Selection of land can be within the scope of 0.2mm to 0.3mm.
Distance that injected plastics material exceeds in the upside of protection board and the distance that the downside of protection board exceeds can be with difference.
Above-mentioned battery is specifically as follows power battery, such as lithium dynamical battery.
The terminal device that the disclosure provides can be mobile phone, tablet computer etc..
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and And it can carry out various modifications and change in the case where without departing from the scope.The scope of the present disclosure is only by the attached claims To limit.

Claims (10)

1. a kind of battery, including battery core and protection board, the battery core has battery core head (2), which is characterized in that the protection board Protection board injection molding body (3) are formed by Shooting Technique with injected plastics material, between the protection board and the battery core head (2) With the injected plastics material, the protection board injection molding body (3) is contacted by the injected plastics material with the battery core head (2), Hardness after the injected plastics material solidifies is less than the portion that the battery core head (2) is used to contact with the protection board injection molding body (3) The hardness divided.
2. battery according to claim 1, which is characterized in that the protection board has protection board component and nickel sheet, institute Injected plastics material is stated to cover the protection board component and expose the nickel sheet.
3. battery according to claim 2, which is characterized in that the battery core head (2) has perpendicular to the battery core The facade (210) of length direction, the injected plastics material are contacted with the facade (210).
4. battery according to claim 3, which is characterized in that the battery core head (2) has battery core edge sealing (23) and pole Ear (25), the battery core edge sealing (23) are prolonged in the plane perpendicular to the facade (210) from the back side of the battery core head (2) It stretches, the tab (25) is stretched out from the battery core edge sealing (23), is had between the battery core edge sealing (23) and the protection board The injected plastics material, the injected plastics material are adhesively fixed with the battery core edge sealing (23), and the nickel sheet and the tab (25) are welded Connect fixation.
5. battery according to claim 1, which is characterized in that there is the injection molding in the upper side and lower side of the protection board Material, the injected plastics material exceed the protection board 0.2mm to 0.3mm in the upper side and lower side of the protection board respectively.
6. battery according to claim 1, which is characterized in that the injected plastics material is insulating materials, and the injection molding The fusing point of material is higher than 150 degrees Celsius.
7. battery according to claim 6, which is characterized in that the injected plastics material is low-pressure hot-melting glue, the low pressure heat The fusing point of melten gel is 180 degrees Celsius to 230 degrees Celsius, and the injection pressure of the low-pressure hot-melting glue is 1bar to 60bar.
8. battery according to claim 1, which is characterized in that the injected plastics material solidify after hardness be 60HA extremely 75HA。
9. battery according to claim 1, which is characterized in that the battery is power battery.
10. a kind of terminal device, which is characterized in that the terminal device includes electricity described in any one of claims 1 to 9 Pond.
CN201920790833.0U 2019-05-29 2019-05-29 Battery and terminal device Active CN209709036U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920790833.0U CN209709036U (en) 2019-05-29 2019-05-29 Battery and terminal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920790833.0U CN209709036U (en) 2019-05-29 2019-05-29 Battery and terminal device

Publications (1)

Publication Number Publication Date
CN209709036U true CN209709036U (en) 2019-11-29

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111969151A (en) * 2020-08-31 2020-11-20 东莞新能德科技有限公司 Battery and electronic device
CN112271411A (en) * 2020-10-31 2021-01-26 东莞新能德科技有限公司 Battery, battery pack, and electronic device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111969151A (en) * 2020-08-31 2020-11-20 东莞新能德科技有限公司 Battery and electronic device
CN112271411A (en) * 2020-10-31 2021-01-26 东莞新能德科技有限公司 Battery, battery pack, and electronic device
CN112271411B (en) * 2020-10-31 2023-08-08 东莞新能德科技有限公司 Battery, battery pack and electronic device

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