CN202004053U - Battery - Google Patents

Battery Download PDF

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Publication number
CN202004053U
CN202004053U CN2011200854634U CN201120085463U CN202004053U CN 202004053 U CN202004053 U CN 202004053U CN 2011200854634 U CN2011200854634 U CN 2011200854634U CN 201120085463 U CN201120085463 U CN 201120085463U CN 202004053 U CN202004053 U CN 202004053U
Authority
CN
China
Prior art keywords
battery
test point
economize
electricity core
cell panel
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.)
Expired - Lifetime
Application number
CN2011200854634U
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Chinese (zh)
Inventor
陈剑锋
敖伟生
杨宝
雷鹏飞
陈智平
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.)
Hytera Communications Corp Ltd
Original Assignee
Hytera Communications Corp 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 Hytera Communications Corp Ltd filed Critical Hytera Communications Corp Ltd
Priority to CN2011200854634U priority Critical patent/CN202004053U/en
Application granted granted Critical
Publication of CN202004053U publication Critical patent/CN202004053U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Abstract

The utility model discloses a battery, which comprises a battery shell body and a battery board, wherein the battery board is encapsulated in the battery shell body, a battery positive pole and a battery negative pole which are led out from the battery board are arranged on the battery shell body, and at least one middle test point is also arranged on the battery shell body, and is led out from the connection point of two adjacent battery cells in the battery board. The battery solves the test problem of the voltage of the cell of a single battery after the ultrasonic welding, and also solves the calibration problem that a plurality of sections of the battery cells are not matched after the ultrasonic welding.

Description

A kind of battery
Technical field
The utility model relates to field of batteries, relates in particular to a kind of battery that can detect single-unit electricity core voltage after ultra-sonic welded.
Background technology
Now, the application of portable products such as notebook, intercom, mobile phone, electric tool more and more widely, the cell voltage of use is also more and more higher.For satisfying its requirement, need connect more piece electricity core and improve voltage.In this case, voltage detecting, management and the protection of more piece electricity core seem and become more and more important.
In the prior art; battery protecting circuit can adopt as shown in Figure 1 single-unit electricity core is protected two IC (Integrated Circuit of control respectively; integrated circuit), two MOS (Metal-Oxide Semiconductor; metal-oxide semiconductor (MOS)) pipe circuit; carry out the mode of protection after promptly connecting again to connecting again after the protection of single-unit electricity core, being different from electric core.
But, in the prior art, after finishing the ultra-sonic welded of battery, the global voltage that P+ that can only be by as shown in Figure 1 and these two output points of P-are measured multi cell battery, and can't measure the voltage of single-unit electricity core, whether the every economize on electricity core that can't know multi cell battery like this mates, and can't hold battery quality, and the maintenance work that reaches after sale of battery is brought very big inconvenience.
The utility model content
The technical problems to be solved in the utility model is, can't detect the defective of the single-unit electricity core voltage of battery at prior art after ultra-sonic welded, and a kind of battery that can detect the electric core voltage of single-unit after ultra-sonic welded is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of battery is provided, comprise battery container and cell panel, described cell panel is encapsulated in the described battery container, have the anode and the battery cathode of from described cell panel, drawing on the described battery container, also have at least one middle test point on the described battery container, the tie point that described middle test point is two adjacent electric cores from described cell panel is drawn.
In a kind of battery of the utility model, described cell panel comprises two economize on electricity cores of series connection successively, and described anode is that positive pole, the described battery cathode of the first economize on electricity core is the negative pole of the second economize on electricity core, and described middle test point is drawn from the positive pole of the described second economize on electricity core.
In a kind of battery of the utility model, have anti-water hole on the described battery container, described middle test point places under the described anti-water hole.
In a kind of battery of the utility model, described cell panel comprises the N economize on electricity core of series connection successively, and N is the positive integer greater than 2.
In a kind of battery of the utility model, offer capillary groove on the described battery container, test point is concentrated in order and is placed described capillary groove in the middle of all.
In a kind of battery of the utility model, described middle test point is drawn by lead.
In a kind of battery of the utility model, described middle test point is drawn by nickel strap.
In a kind of battery of the utility model, described middle test point is directly exposed under the described anti-water hole at the pad on the described cell panel.
In a kind of battery of the utility model, described electric core is a lithium battery.
The beneficial effect of a kind of battery of the utility model is: by drawing test point to battery container from the tie point of any two adjacent electric cores, can measure the voltage and the internal resistance of the core that respectively economizes on electricity after the ultra-sonic welded easily, can also discharge and recharge calibration to unmatched electric core, thereby be convenient to hold battery quality, give the detection of stock's battery and complained the after-sales service of battery to bring facility.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the circuit theory diagrams that comprise the battery of two joint series electrical cores in the prior art;
Fig. 2 is the circuit theory diagrams according to the battery that can detect single-unit electricity core voltage after ultra-sonic welded that comprises two joint series electrical cores of an embodiment of the utility model;
Fig. 3 is the schematic diagram according to the battery container of an embodiment of the utility model;
Fig. 4 is the circuit diagram according to the battery that can detect single-unit electricity core voltage after ultra-sonic welded that comprises N joint series electrical core of another embodiment of the utility model;
Fig. 5 is the schematic diagram according to the battery container of another embodiment of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides a kind of battery that can detect single-unit electricity core voltage after ultra-sonic welded.This battery comprises battery container and cell panel, and cell panel is encapsulated in the battery container after ultra-sonic welded.Have the anode and the battery cathode of from cell panel, drawing on the battery container, also have test point in the middle of at least one that the tie point of two adjacent electric cores from cell panel draws on the battery container.The utility model to battery container, can detect the voltage of every economize on electricity core by test point in the middle of drawing from the tie point of adjacent electric core after battery is carried out ultra-sonic welded, thereby has brought facility for the matching detection and the calibration of battery.
Fig. 2 is the circuit theory diagrams according to the battery that can detect single-unit electricity core voltage after ultra-sonic welded that comprises two joint series electrical cores of an embodiment of the utility model.In the present embodiment, battery comprises the two joints lithium battery electric core of series connection successively.As shown in Figure 2, P+ is the positive pole of the first economize on electricity core, i.e. the positive pole of this battery, P-are the negative pole of the second economize on electricity core, i.e. the negative pole of this battery, and the negative pole of the first economize on electricity core is connected with second positive pole that economizes on electricity core.Middle test point PM draws from the positive pole of the second economize on electricity core.Therefore, the voltage between P+ end and PM end is the voltage of the first economize on electricity core, and the voltage between PM end and P-end is the voltage of the second economize on electricity core.
Fig. 3 is the schematic diagram according to the battery container of an embodiment of the utility model.In the present embodiment, have anodal hole 31, negative pole hole 32 and middle test point hole 33 on the battery container.The two economize on electricity cores of connecting successively can be placed battery container, and anode P+ is guided to anodal hole 31 times, battery cathode P-be guided to the negative pole hole 32 times, and middle test point PM is guided to middle test point hole 33 times.Wherein, the conductor of test point PM can comprise the lead of various adequate types in the middle of connecting, nickel strap for example, and the utility model is not limited to the conductor of any particular type.If test point PM was above the pad on the multi cell battery plate in the middle of middle test point hole 33 just in time was positioned at, the test point hole is 33 times in the middle of can directly this pad being exposed to.In addition, middle test point hole 33 can be anti-water hole, in order to avoid battery life and effect are impacted.
Carrying out electric core matching detection and when calibration, only needing respective pins with universal instrument place the voltage that to measure single-unit electricity core on the terminal under the respective aperture of battery container respectively.With reference to the battery shown in figure 2 and 3, place anodal P+ under the anode hole 31 to go up respectively the positive test pencil of universal instrument and the negative test pencil and test point hole 33 under middle test point PM on, just can record first voltage that economizes on electricity core; Middle test point PM in the middle of the positive test pencil of universal instrument and negative test pencil placed respectively under the test point hole 33 go up and negative pole hole 32 under negative pole P-on, just can record second voltage that economizes on electricity core.If the voltage that records for this twice is identical, two economize on electricity core couplings then are described, this battery is qualified products.If the voltage of two economize on electricity cores is inconsistent, can low-voltage electricity core be charged to consistently by anchor clamps with another economize on electricity core, or high voltage electricity core is discharged into consistent with another economize on electricity core.For example when the voltage of the first economize on electricity core be that the voltage of 3.788V and the second economize on electricity core is when being 3.805V, 3.788V electricity core can be charged to 3.805V, or 3.805V electricity core discharged into 3.788V, thereby make battery reach consistent, removed the partial volume detection from, torn shell human and material resources and the huge loss of time such as do over again open.Certainly, can also use similar approach to measure the resistance of single-unit electricity core.
Though Fig. 2 and Fig. 3 only show two economize on electricity core series connected battery, this is just to simplified illustration, and is not used in restriction the utility model.In embodiment of the present utility model, battery can comprise the electric core of any suitable number and any syndeton, the electric core that is in parallel of two joints, the three joints electric core etc. of series connection successively for example only needs will any two tie points that economize on electricity cores be drawn out on the battery container and gets final product.
Fig. 4 is that wherein N is the integer greater than 2 according to the circuit diagram of the battery that can detect single-unit electricity core voltage after ultra-sonic welded that comprises N joint series electrical core of another embodiment of the utility model.Fig. 5 is the schematic diagram according to the battery container of this embodiment.In the present embodiment, as shown in Figure 4, P+ is the positive pole of the first economize on electricity core, the i.e. positive pole of this multi cell battery, P-is the negative pole of N economize on electricity core, the i.e. negative pole of this multi cell battery, the positive pole of the negative pole of the first economize on electricity core and the second economize on electricity core, the positive pole of the negative pole of the second economize on electricity core and the 3rd economize on electricity core ... the negative pole of N-1 economize on electricity core is connected successively with the positive pole of N economize on electricity core, the first middle test point PM1, test point PM2 in the middle of second ... test point PMn-1 is respectively from their tie point (i.e. second positive pole that economizes on electricity core in the middle of the N-1, the positive pole of the 3rd economize on electricity core ... the positive pole of N economize on electricity core) draws.Therefore, the voltage between P+ end and PM1 end is the voltage of the first economize on electricity core, and the voltage between PM1 end and PM2 end is the voltage of the second economize on electricity core, and the like, the voltage between PMn-1 end and P-end is the voltage of N economize on electricity core.
As shown in Figure 5, battery container comprises anodal hole 51, negative pole hole 52 and the middle test point groove 53 that is positioned on the housing.The N economize on electricity core of connecting mutually can be placed battery container, and anode P+ guided to anodal hole 51 times, battery cathode P-is guided to the negative pole hole 52 times, and with middle test point PM1, PM2, PM3 ... the test point groove was 53 times in the middle of PMn-1 concentrated in order successively and guides to.Wherein, the conductor of test point can comprise the conductor wire of various adequate types in the middle of connecting, nickel strap for example, and the utility model is not limited to the conductor of any particular type.In addition, test point groove 53 can be a capillary groove, in order to avoid battery life and effect are impacted.
In addition, electric core of the present utility model is not limited to lithium battery, and can use the rechargeable battery of any type, for example nickel-cadmium cell, nickel iron cell, Ni-MH battery, lithium ion battery etc.The utility model finds application in the PT580H battery, and has solved the voltage tester problem of battery battery core after the ultra-sonic welded smoothly, simultaneously for measuring the unmatched battery of electric core voltage, can calibrate it by discharging and recharging.
Use battery provided by the utility model, when carrying out IQC (Input Quality Control, the supplied materials quality control) time or when selling clothes and analyzing, can destroy the coupling consistency that know battery under the situation of battery immediately not tearing shell open to complaining battery, thus diagnosis battery matching problem.For the battery of stock's a period of time, also can measure the coupling consistency of battery immediately simultaneously.For inconsistent battery, can low-voltage electricity core be charged to consistently by anchor clamps with another economize on electricity core, or high voltage electricity core is discharged into consistent with another economize on electricity core.
The utility model is by drawing test point from the tie point of any two adjacent electric cores, and this test point is arranged under the anti-water hole of battery container, can measure the voltage and the internal resistance of the core that respectively economizes on electricity after the ultra-sonic welded easily, can also discharge and recharge calibration to unmatched electric core, not influence the life-span and the effect of battery simultaneously.The utility model has solved the test problem of battery single-unit electricity core voltage after the ultra-sonic welded, has also solved battery battery core unmatched calibration problem after the ultra-sonic welded.Therefore, the utility model is convenient to carry out IQC, can better hold product quality; Can conveniently detect electric core matching state and conveniently carry out voltage calibration for stock's battery, need not tear shell open, save a large amount of manpower and materials; For selling clothes, can conveniently detect the bad battery of being complained and carry out voltage calibration, in time remove difficulties and alleviate sufferings for client.

Claims (9)

1. battery, comprise battery container and cell panel, described cell panel is encapsulated in the described battery container, have the anode and the battery cathode of from described cell panel, drawing on the described battery container, it is characterized in that, also have at least one middle test point on the described battery container, the tie point that described middle test point is two adjacent electric cores from described cell panel is drawn.
2. battery according to claim 1, it is characterized in that, described cell panel comprises two economize on electricity cores of series connection successively, and described anode is that positive pole, the described battery cathode of the first economize on electricity core is the negative pole of the second economize on electricity core, and described middle test point is drawn from the positive pole of the described second economize on electricity core.
3. battery according to claim 2 is characterized in that, has anti-water hole on the described battery container, and described middle test point places under the described anti-water hole.
4. battery according to claim 1 is characterized in that, described cell panel comprises the N economize on electricity core of series connection successively, and N is the positive integer greater than 2.
5. battery according to claim 4 is characterized in that, offers capillary groove on the described battery container, and test point is concentrated in order and placed described capillary groove in the middle of all.
6. according to each described battery among the claim 1-5, it is characterized in that described middle test point is drawn by lead.
7. according to the battery described in the claim 6, it is characterized in that described middle test point is drawn by nickel strap.
8. according to the battery described in the claim 3, it is characterized in that described middle test point is directly exposed under the described anti-water hole at the pad on the described cell panel.
9. battery according to claim 1 is characterized in that, described electric core is a lithium battery.
CN2011200854634U 2011-03-28 2011-03-28 Battery Expired - Lifetime CN202004053U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200854634U CN202004053U (en) 2011-03-28 2011-03-28 Battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200854634U CN202004053U (en) 2011-03-28 2011-03-28 Battery

Publications (1)

Publication Number Publication Date
CN202004053U true CN202004053U (en) 2011-10-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102683755A (en) * 2012-06-19 2012-09-19 天津力神电池股份有限公司 Novel high-voltage lithium-ion power battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102683755A (en) * 2012-06-19 2012-09-19 天津力神电池股份有限公司 Novel high-voltage lithium-ion power battery

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Granted publication date: 20111005