CN107221629A - Battery and mobile terminal - Google Patents

Battery and mobile terminal Download PDF

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Publication number
CN107221629A
CN107221629A CN201710515849.6A CN201710515849A CN107221629A CN 107221629 A CN107221629 A CN 107221629A CN 201710515849 A CN201710515849 A CN 201710515849A CN 107221629 A CN107221629 A CN 107221629A
Authority
CN
China
Prior art keywords
battery
lug
conductive segment
main body
lugs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710515849.6A
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Chinese (zh)
Inventor
杜思红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN201710515849.6A priority Critical patent/CN107221629A/en
Publication of CN107221629A publication Critical patent/CN107221629A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

This application discloses a kind of battery and mobile terminal, belong to electronic technology field.The battery includes:Battery main body and two lugs for being located at described battery main body the two poles of the earth respectively, one end that the battery main body includes each lug in battery core, described two lugs are connected with the battery core, and the other end is used to be connected with external circuit;At least one lug in described two lugs includes the section that fuses, and the fusing section is used for the electrical connection that at least one lug two ends are disconnected when electric current is more than predetermined current threshold.The disclosure passes through the electrical connection at fusing section disconnection lug two ends when electric current is more than predetermined current threshold by setting fusing section in the lug of battery.Solve the problem of reliability for controlling the relatively low caused battery of the complicated stability of IC overall in correlation technique is relatively low.The higher effect of the overall reliability of battery is reached.

Description

Battery and mobile terminal
Technical field
This disclosure relates to electronic technology field, more particularly to a kind of battery and mobile terminal.
Background technology
At present, including the various mobile terminals including mobile phone and tablet personal computer into must can not in people's daily life A few part, but people are during using mobile terminal, when between the battery and mobile terminal main body in mobile terminal Electric current it is excessive when, occur it is on fire and blast etc. accident risk it is larger.
Have in correlation technique in a kind of battery of mobile terminal, the battery and include protection board, be provided with the protection board Control integrated circuit (Integrated circuit, IC), the electric current that control IC can be between battery and mobile terminal main body During more than predetermined current threshold, the electrical connection between battery and mobile terminal main body is disconnected.
During the disclosure is realized, inventor has found that correlation technique at least has problems with:IC structures are controlled to answer Miscellaneous, stability is relatively low, therefore, and the overall reliability of battery is relatively low.
The content of the invention
In order to solve the problem of overall reliability of battery is relatively low in correlation technique, the embodiment of the present disclosure provides a kind of electricity Pond and mobile terminal.The technical scheme is as follows:
According to the first aspect of the disclosure there is provided a kind of battery, the battery includes:
Battery main body and two lugs for being located at described battery main body the two poles of the earth respectively, the battery main body include battery core, One end of each lug in described two lugs is connected with the battery core, and the other end is used to be connected with external circuit;
At least one lug in described two lugs includes the section that fuses, and the fusing section, which is used to be more than in electric current, to be preset The electrical connection at least one lug two ends is disconnected during current threshold.
Optionally, at least one described lug includes the first conductive segment, fusing section and the second conduction being sequentially connected Section, first conductive segment is connected with the battery core, and second conductive segment is used to be connected with the external circuit.
Optionally, first conductive segment, fusing section and second conductive segment are by being welded to connect.
Optionally, in described two lugs, being arranged at the material of the conductive segment of the lug of the battery main body positive pole includes Aluminium, being arranged at the material of the conductive segment of the lug of the battery main body negative pole includes nickel, and described two lugs include described molten The conductive segment of the lug of disconnected section includes first conductive segment and second conductive segment, exists in described two lugs and does not wrap When including the lug of the fusing section, one end of the conductive segment of the lug that the fusing section is not included is connected with the battery core, The other end is used to be connected with the external circuit.
Optionally, the lug for being arranged at the battery main body positive pole includes the fusing section.
Optionally, the fusing section includes fuse, and the material of the fuse includes:Leypewter, lead-antimony alloy, aluminium antimony are closed At least one of gold and yellow gold.
Optionally, it is provided with least one through hole on the fuse.
Optionally, the fusing section includes protection shell and the fuse being arranged on inside the containment vessel, the fuse point It is not connected with first conductive segment and second conductive segment.
Optionally, it is filled with quartz sand in the protection shell.
According to the second aspect of the disclosure there is provided a kind of mobile terminal, the mobile terminal include mobile terminal main body and The battery that first aspect is provided.
The beneficial effect brought of technical scheme that the embodiment of the present disclosure is provided is:
Break by setting fusing section in the lug of battery, and by fusing section when electric current is more than predetermined current threshold Open the electrical connection at lug two ends.Solve control the relatively low caused battery of the complicated stability of IC overall in correlation technique The problem of reliability is relatively low.The higher effect of the overall reliability of battery is reached.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the present disclosure, make required in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present disclosure, for For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings Accompanying drawing.
Fig. 1 is a kind of structural representation of battery according to an exemplary embodiment;
Fig. 2-1 is a kind of structural representation of battery according to an exemplary embodiment;
Fig. 2-2 is the structural representation of lug in battery shown in Fig. 2-1 illustrated embodiments;
Fig. 2-3 is the structural representation after the fusing section disconnection of lug in figure Fig. 2-2;
Fig. 2-4 is the structural representation of another lug in battery shown in Fig. 2-1;
Fig. 2-5 is the structural representation of another lug in battery shown in Fig. 2-1;
Fig. 3 is a kind of structural representation of mobile terminal according to an exemplary embodiment.
Pass through above-mentioned accompanying drawing, it has been shown that the clear and definite embodiment of the disclosure, will hereinafter be described in more detail.These accompanying drawings It is not intended to limit the scope that the disclosure is conceived by any mode with word description, but is by reference to specific embodiment Those skilled in the art illustrate the concept of the disclosure.
Embodiment
To make the purpose, technical scheme and advantage of the disclosure clearer, below in conjunction with accompanying drawing to disclosure embodiment party Formula is described in further detail.
Fig. 1 is a kind of structural representation of battery according to an exemplary embodiment.The battery 10 can include:
Battery main body 11 and two lugs 12 for being located at the two poles of the earth of battery main body 11 respectively, battery main body 11 include battery core 111, one end of each lug in two lugs 12 is connected with battery core 111, and the other end is used to be connected with external circuit.
At least one lug in two lugs 12 includes the section 121 that fuses, and fusing section 121, which is used to be more than in electric current, to be preset The electrical connection at least one lug two ends is disconnected during current threshold.
The lug that Fig. 1 is illustrated that in two lugs 12 includes the situation of fusing section, but in two lugs 12 Each lug can also be respectively provided with fusing section, and the embodiment of the present disclosure is not restricted.
In summary, the battery that the embodiment of the present disclosure is provided, by setting fusing section in the lug of battery, and passes through this The section that fuses disconnects the electrical connection at lug two ends when electric current is more than predetermined current threshold.Solve control IC structures in correlation technique The problem of reliability of battery entirety caused by complicated stability is relatively low is relatively low.Reach that the overall reliability of battery is higher Effect.
Further, Fig. 2-1 is refer to, the structural representation of another battery provided it illustrates the embodiment of the present disclosure Figure, the battery adds some parts on the basis of the battery shown in Fig. 1, so that the battery that the embodiment of the present disclosure is provided 10 have better performance.
Optionally, at least one lug in two lugs 12 includes the first conductive segment 122, the fusing section being sequentially connected 121 and second conductive segment 123, the first conductive segment 122 is connected with battery core 111, and the second conductive segment 123 is used for and external circuit connects Connect.
Optionally, in two lugs 12, be arranged at the positive pole of battery main body 11+the lug 12A material of conductive segment include Aluminium, including the material of aluminium can be aluminum metal or aluminium alloy.Be arranged at battery main body 11 negative pole-lug 12B conductive segment Material includes nickel.Material including nickel can be nickel metal or the material of nickel plating.Two lugs 12 include the pole of fusing section The conductive segment of ear includes the first conductive segment 122 and the second conductive segment 123, and existing in two lugs 12 does not include the pole of fusing section During ear, the one end that the conductive segment of the lug of fusing section is not included is connected with battery core 111, and the other end is used to connect with external circuit Connect.The positive pole ear and conductive segment that conductive segment includes aluminium include lug of the negative lug of nickel for two kinds of better performances.
As shown in Fig. 2-2, its be Fig. 2-1 in, lug 12A structural representation.Wherein, the first conductive segment 122, fusing section 121 and second conductive segment 123 by being welded to connect.
Optionally, being arranged at the lug 12A of battery main body positive pole includes the section 121 that fuses.This is due to positive pole ear 12A It is made up of the material including aluminium, fusing point is relatively low, is easier to weld with fusing section 121.
Optionally, fusing section 121 includes fuse 121a, and fuse 121a material includes:Leypewter, lead-antimony alloy, aluminium At least one of antimony alloy and yellow gold.The fusing point of this several alloy is relatively low, and (fusing point of such as leypewter is 183 Celsius Degree), when the electric current in lug 12A reaches predetermined current threshold, the speed that heat is produced in lug is more than the speed that heat dissipates Degree, accumulation of heat is more and more, the temperature rapid increase at lug position, and fuses rapidly.
As Figure 2-3, its be after electric current of the fusing section in lug 12A shown in Fig. 2-2 reaches predetermined current threshold, The structural representation of fuse 121a fusing, after fuse 121a fusing, the connection between first paragraph 122 and second segment 123 disconnects, pole The electrical connection at ear 12A two ends disconnects therewith.
As in Figure 2-4, its structural representation for being another lug 12A in battery shown in Fig. 2-1, lug 12A's At least one through hole k is provided with fuse 121a.Through hole k can be used for the fusing speed for improving fuse 121a, improve battery With the security of mobile terminal main body.The implication that other in Fig. 2-4 are marked may be referred to Fig. 2-2, will not be repeated here.
As shown in Figure 2-5, its structural representation for being another lug 12A in battery shown in Fig. 2-1, in lug 12A In, fusing section 121 includes the protection shell 121b and fuse 121a that is arranged on inside containment vessel 121b, and fuse 121a is respectively with the One conductive segment 122 and the second conductive segment 123 are connected.Protection shell 121b is used to isolate fuse 121a with external environment condition, to keep away When exempting from fuse 121a fusing, the other structures in influence battery or mobile terminal.Protect shell 121b can be by various insulation materials Material is made, to avoid influence fusing section from disconnecting the electrical connection at lug 12A two ends.Exemplary, protection shell 121b material can With including ceramics, ambroin and insulating glass etc..
Optionally, it is filled with quartz sand Q in protection shell 121b.Quartz sand Q has higher thermal conductivity and insulating properties, The fusing breaking capacity of section 121 can be improved (breaking capacity refers to the ability of safety cut-off fault current).
The battery 10 that the embodiment of the present disclosure is provided can be lithium ion battery (lithium ion cells and Batteries), the lithium ion battery can include polymer Li-ion battery (Polymer Lithium-Ion Battery, ) and liquid lithium ionic cell (Liquified Lithium-Ion Battery, LIB) etc. PLB.
The battery that the embodiment of the present disclosure is provided greatly reduces the risk that the accident such as burning or blast occurs for battery, protects The safety of the user of mobile terminal is demonstrate,proved.
In summary, the battery that the embodiment of the present disclosure is provided, by setting fusing section in the lug of battery, and passes through this The section that fuses disconnects the electrical connection at lug two ends when electric current is more than predetermined current threshold.Solve control IC structures in correlation technique The problem of reliability of battery entirety caused by complicated stability is relatively low is relatively low.Reach that the overall reliability of battery is higher Effect.
Fig. 3 is a kind of structural representation of mobile terminal according to an exemplary embodiment, and the mobile terminal 30 is wrapped Include mobile terminal main body 31 and the battery shown in Fig. 1 or the battery 10 shown in Fig. 2-1.Battery 10 passes through two lugs 12 and movement Terminal body 31 is electrically connected, for providing electric energy to mobile terminal main body 31.Between battery 10 and mobile terminal main body 31 When electric current is more than predetermined current threshold, the temperature for the section 121 that fuses can be more than its fusing point and quick fuse, to cut off battery 10 and shifting Electrical connection between dynamic terminal body 31, protection battery 10 and mobile terminal main body 31.The implication that other in Fig. 3 are marked can join Fig. 2-1 is examined, be will not be repeated here.
In summary, the mobile terminal that the embodiment of the present disclosure is provided, by setting fusing section in the lug of battery, and leads to Cross the electrical connection that fusing section disconnects lug two ends when electric current is more than predetermined current threshold.Solve and IC is controlled in correlation technique The problem of reliability of battery entirety caused by complicated stability is relatively low is relatively low.The reliable of mobile terminal entirety is reached The higher effect of property.
Term " A, B, C and D at least one " represents there may be 15 kinds of relations in the disclosure, can represent:Individually There is A, individualism B, individualism C, individualism D, while there is A and B, while there is A and C, while there is A and D, together When there is C and B, while there is D and B, while there is C and D, while there is A, B and C, while there is A, B and D, while exist A, C and D, while there is B, C and D, while there is A, B, C and D, this 15 kinds of situations.
In the disclosure, term " first " and " second " are only used for describing purpose, and it is not intended that indicating or implying phase To importance.
The foregoing is only the preferred embodiment of the disclosure, not to limit the disclosure, all spirit in the disclosure and Within principle, any modification, equivalent substitution and improvements made etc. should be included within the protection domain of the disclosure.

Claims (10)

1. a kind of battery, it is characterised in that the battery includes:
Battery main body and two lugs for being located at described battery main body the two poles of the earth respectively, the battery main body includes battery core, described One end of each lug in two lugs is connected with the battery core, and the other end is used to be connected with external circuit;
At least one lug in described two lugs includes the section that fuses, and the fusing section is used to be more than predetermined current in electric current The electrical connection at least one lug two ends is disconnected during threshold value.
2. battery according to claim 1, it is characterised in that what at least one described lug included being sequentially connected first leads Electric section, fusing section and the second conductive segment, first conductive segment is connected with the battery core, second conductive segment for The external circuit connection.
3. battery according to claim 2, it is characterised in that first conductive segment, fusing section and described second Conductive segment is by being welded to connect.
4. battery according to claim 3, it is characterised in that in described two lugs, is being arranged at the battery main body just The material of the conductive segment of the lug of pole includes aluminium, and being arranged at the material of the conductive segment of the lug of the battery main body negative pole includes Nickel, the conductive segment that described two lugs include the lug of the fusing section includes first conductive segment and second conduction Section, when there is the lug for not including the fusing section in described two lugs, the lug that the fusing section is not included One end of conductive segment is connected with the battery core, and the other end is used to be connected with the external circuit.
5. battery according to claim 4, it is characterised in that described be arranged in the lug of the battery main body positive pole is wrapped Include the fusing section.
6. battery according to claim 1, it is characterised in that the fusing section includes fuse, the material bag of the fuse Include:At least one of leypewter, lead-antimony alloy, aluminium-antimony alloy and yellow gold.
7. battery according to claim 6, it is characterised in that at least one through hole is provided with the fuse.
8. according to any described battery of claim 2 to 7, it is characterised in that the fusing section includes protection shell and setting Fuse inside the containment vessel, the fuse is connected with first conductive segment and second conductive segment respectively.
9. battery according to claim 8, it is characterised in that quartz sand is filled with the protection shell.
10. a kind of mobile terminal, it is characterised in that the mobile terminal includes mobile terminal main body and claim 1 to 9 is any Described battery.
CN201710515849.6A 2017-06-29 2017-06-29 Battery and mobile terminal Pending CN107221629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710515849.6A CN107221629A (en) 2017-06-29 2017-06-29 Battery and mobile terminal

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Application Number Priority Date Filing Date Title
CN201710515849.6A CN107221629A (en) 2017-06-29 2017-06-29 Battery and mobile terminal

Publications (1)

Publication Number Publication Date
CN107221629A true CN107221629A (en) 2017-09-29

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109346796A (en) * 2018-09-10 2019-02-15 欣旺达电子股份有限公司 High-multiplying power discharge battery mould group
CN110203072A (en) * 2019-06-18 2019-09-06 华霆(合肥)动力技术有限公司 Thermal runaway protective device, power supply device and thermal runaway means of defence
CN113193309A (en) * 2021-04-23 2021-07-30 胡定灏 Application of fusible alloy in power battery

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2433729Y (en) * 2000-08-10 2001-06-06 吕俊杰 Thin temp. fuse
CN201438449U (en) * 2009-06-05 2010-04-14 比亚迪股份有限公司 Current fuse and power battery
CN204289319U (en) * 2014-12-16 2015-04-22 广东中贝能源科技有限公司 A kind of bolt type fast acting fuse

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2433729Y (en) * 2000-08-10 2001-06-06 吕俊杰 Thin temp. fuse
CN201438449U (en) * 2009-06-05 2010-04-14 比亚迪股份有限公司 Current fuse and power battery
CN204289319U (en) * 2014-12-16 2015-04-22 广东中贝能源科技有限公司 A kind of bolt type fast acting fuse

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109346796A (en) * 2018-09-10 2019-02-15 欣旺达电子股份有限公司 High-multiplying power discharge battery mould group
CN109346796B (en) * 2018-09-10 2021-02-12 欣旺达电子股份有限公司 High-rate discharge battery module
CN110203072A (en) * 2019-06-18 2019-09-06 华霆(合肥)动力技术有限公司 Thermal runaway protective device, power supply device and thermal runaway means of defence
CN113193309A (en) * 2021-04-23 2021-07-30 胡定灏 Application of fusible alloy in power battery

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Application publication date: 20170929