CN102324532B - Thin type lithium-manganese soft packing battery pack and manufacturing method thereof - Google Patents
Thin type lithium-manganese soft packing battery pack and manufacturing method thereof Download PDFInfo
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- CN102324532B CN102324532B CN2011102255707A CN201110225570A CN102324532B CN 102324532 B CN102324532 B CN 102324532B CN 2011102255707 A CN2011102255707 A CN 2011102255707A CN 201110225570 A CN201110225570 A CN 201110225570A CN 102324532 B CN102324532 B CN 102324532B
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Abstract
The invention discloses a thin type lithium-manganese soft packing battery pack which comprises a paper board, the single side of which is coated with blister varnishing, two large circular holes are arranged in one end of the paper board, the central connection line of the two large circular holes is parallel to the end part edges of the paper board, two suspension holes are arranged on the other end of the paper board, metal sheets cover and are glued on the two large circular holes respectively, two thin type lithium-manganese soft packing batteries which are connected in series by a positive temperature coefficient (PTC) thermistor are arranged above the metal sheets, insulating face pads are arranged below the PTC thermistor, one battery positive electrode tab and another battery negative electrode tab, two ends of the PTC thermistor are connected with the one battery positive electrode tab and another battery negative electrode tab, one electrode negative electrode tab is connected with one metal sheet, another positive electrode tab is connected with the other metal sheet, and a blister packaging enclosure welded together with the paper board is arranged above the two batteries; the invention further discloses a manufacturing method for the thin type lithium-manganese soft packing battery pack, and the battery pack manufactured by the invention has good environment friendliness and safety properties, as well as light weight, small thickness and good large-current discharge capacity.
Description
Technical field
The present invention relates to a kind of structural design of thin type lithium-manganese flexible-packed battery group and the manufacture method of this battery pack.
Background technology
Early 1990s, when digital camera is not also propagated its belief on a large scale, a can standing clapped the favor that vertical existing camera has obtained the consumer, and people have got a straightaway name to it---clap vertical (also have claim vertical clap).Although its printing paper price is high, a lot of thousands of visitors in tourist attractions, this is still always enjoyed it.After digital camera is universal, clap highlyer owing to taking cost vertically, carry the inconvenience general consumption market of fading out gradually.But in the middle of some petty bourgeoisie men and women and camera fan, clap and stand to such an extent that still there is unique glamour, make this old-fashioned camera still shine brilliance in some colonies.The Polaroid camera power consumption is larger, and common dry cell can't meet its instructions for use, so its lithium-manganese cell that always uses power-type is as power supply (as CR2 and CR123A etc.).But lithium-manganese cell is as professional industrial use battery, be not easy on the market to have bought, and there is hidden danger in the lithium battery fail safe of power-type, and camera is as the normal domestic electronic product, it is especially important that its fail safe seems again, therefore, design a kind of can being built in and possess the high power discharge ability in the phase carton, the bat that has again the superelevation fail safe is vertical that camera battery is just very meaningful.Battery pack involved in the present invention can effectively meet this requirement, and, also can use for reference battery structure involved in the present invention design and combined method making assembled battery in other applications, thereby make the electronic product can more frivolous, convenient and safety.
Summary of the invention
In order to overcome the weak point of above-mentioned existing background technology, the first purpose of the present invention is to provide a kind of thin type lithium-manganese flexible-packed battery group, it comprises that single face is coated with the cardboard of plastics-absorbing oil, the one end is provided with two big holes that the line of centres is parallel with the cardboard end edge, the other end is provided with two hanging holes, cover respectively and be pasted with sheet metal on described two big holes, be provided with two by the thin type lithium-manganese flexible-packed battery of positive temperature coefficient thermistor PTC series connection above sheet metal, described positive temperature coefficient thermistor PTC with and a cell positive pole ear connecting of two ends, be provided with the insulating surfaces pad below the another cell cathode ear pole, a cell cathode ear pole is connected with the piece of metal sheet, the another cell positive pole ear is connected with another sheet sheet metal, be provided with the blister cover together with cardboard soldering and sealing above two batteries.
In technique scheme, the two-stage two ends of described two batteries are parallel with respectively diode.
In technique scheme, described blister cover covers two batteries and two diodes.
The second purpose of the present invention is to provide the manufacture method of this thin type lithium-manganese flexible-packed battery group, and it comprises the following steps:
The 1st step, be placed on operating table surface by cardboard in a supine mode that scribbles plastics-absorbing oil, with double faced adhesive tape, two metal disks is fixed on two big holes of cardboard;
The 2nd step, the sticking on two metal disks with center on Page by the sticking bar shaped insulating surfaces of single face tool pad;
The 3rd step, by two placed in the middle sticking on side by side on cardboard of thin type lithium-manganese flexible-packed battery, the battery top margin surpasses insulating surfaces pad lower limb 1-2mm, and battery two lugs adjacent to each other are placed on the insulating surfaces pad fully, and two other lug contacts with the metal disk on both sides respectively;
The 4th step is welded respectively two diodes on two batteries, then by bar shaped positive temperature coefficient thermistor PTC, two batteries is together in series, and two lugs at two ends weld together with corresponding metal disk respectively;
The 5th step, on cardboard and mix up position, utilize the plastic uptake sealing machine that blister cover is completed to processing together with cardboard soldering and sealing the plastic uptake cover cap.
The present invention has following distinguishing feature: the main raw material(s) that battery and battery pack adopt is nonmetallic environment-friendly materials, and add the protection electronic components such as diode and positive temperature coefficient thermistor PTC in package assembly, make battery pack possess good environmental protection and security feature; Adopt thin type lithium-manganese flexible-packed battery that winding process makes as cell, make that battery weight is light, thickness is little, be easy to realize the lightening of power consumption equipment, and possess better large current discharging capability.
The accompanying drawing explanation
The outline drawing that Fig. 1 is thin type lithium-manganese flexible-packed battery group of the present invention.
Fig. 2 is thin type lithium-manganese flexible-packed battery assembly and disassembly structure chart of the present invention.
The curve comparison figure that Fig. 3 is thin type lithium-manganese flexible-packed battery group of the present invention and ordinary camera battery constant-current discharge, under the condition that is 23 ± 2 ℃ at constant discharge current 0.7C, discharge temp, in figure, curve a is thin type lithium-manganese flexible-packed battery Battery pack discharge curve of the present invention, curve b is existing ordinary camera battery discharge curve, and abscissa is the time, unit be min (minute), ordinate is voltage, and unit is V (volt).
The short circuit temperature tendency comparison diagram that Fig. 4 is thin type lithium-manganese flexible-packed battery group of the present invention and ordinary camera battery, in figure, curve a is thin type lithium-manganese flexible-packed battery Battery pack short circuit temperature profile of the present invention, curve b is existing ordinary camera battery short circuit temperature profile, abscissa is the time, unit be min (minute), ordinate is voltage, unit is ℃.
In figure: 1, cardboard, 2, big hole, 3, hanging hole, 4, sheet metal, 5, PTC, 6, the thin type lithium-manganese flexible-packed battery, 7, the insulating surfaces pad, 8, blister cover, 9, diode.
Embodiment
Describe performance of the present invention in detail below in conjunction with accompanying drawing, but they do not form limitation of the invention.By explanation, advantage of the present invention will become more clear and easily understand simultaneously.
A kind of thin type lithium-manganese flexible-packed battery group as depicted in figs. 1 and 2, comprise that single face is coated with the cardboard 1 of plastics-absorbing oil, the one end is provided with two lines of centres big hole 2 parallel with cardboard 1 end edge, the other end is provided with two hanging holes, 3, cover respectively and be pasted with sheet metal 4 on described two big holes 2, be provided with two by the thin type lithium-manganese flexible-packed battery 6 of positive temperature coefficient thermistor PTC5 series connection above sheet metal 4, positive temperature coefficient thermistor PTC5 with and battery 6 positive pole ears connecting of two ends, be provided with insulating surfaces pad 7 below another battery 6 negative lug, battery 6 negative lug are connected with piece of metal sheet 4, another battery 6 positive pole ears are connected with another sheet sheet metal 4, be provided with the blister cover 8 together with cardboard 1 soldering and sealing above two batteries 6.The two-stage two ends of two batteries 6 are parallel with respectively diode 9.Blister cover 8 covers two batteries and two diodes 9.
Consult the thin type lithium-manganese flexible-packed battery Battery pack (2CP225040 battery) shown in Fig. 3 and the curve comparison figure of ordinary camera battery (CR-P2 battery) with the 0.7C constant-current discharge, can find out under the prerequisite with identical multiplying power current discharge, the battery (2CP225040 battery) that adopts this method to make has higher discharge voltage and longer discharge time.
Consult the short circuit temperature tendency comparison diagram of the thin type lithium-manganese flexible-packed battery Battery pack (2CP225040 battery) shown in Fig. 4 and ordinary camera battery (CR-P2 battery), can find out short circuit under same environment, battery (2CP225040 battery) the temperature ascensional range that adopts this method to make is less, maximum temperature only reaches 75 ℃ of left and right, and common battery (CR-P2 battery) variations in temperature is much violent, maximum temperature approaches 130 ℃, adopts as can be seen here this method to make battery (2CP225040 battery) and has better fail safe.
Its manufacture method comprises the following steps:
The 1st step, be placed on operating table surface by cardboard in a supine mode that scribbles plastics-absorbing oil, with double faced adhesive tape, two metal disks is fixed on two big holes of cardboard;
The 2nd step, the sticking on two metal disks with center on Page by the sticking bar shaped insulating surfaces of single face tool pad;
The 3rd step, by two placed in the middle sticking on side by side on cardboard of thin type lithium-manganese flexible-packed battery, the battery top margin surpasses insulating surfaces pad lower limb 1-2mm, and battery two lugs adjacent to each other are placed on the insulating surfaces pad fully, and two other lug contacts with the metal disk on both sides respectively;
The 4th step is welded respectively two diodes on two batteries, then by bar shaped PTC, two batteries is together in series, and two lugs at two ends weld together with corresponding metal disk respectively;
The 5th step, on cardboard and mix up position, utilize the plastic uptake sealing machine that blister cover is completed to processing together with cardboard soldering and sealing the plastic uptake cover cap.
Claims (1)
1. a thin type lithium-manganese flexible-packed battery group manufacture method, described thin type lithium-manganese flexible-packed battery group comprises that single face is coated with the cardboard of plastics-absorbing oil (1), the one end is provided with two lines of centres big hole (2) parallel with cardboard (1) end edge, the other end is provided with two hanging holes (3), cover respectively and be pasted with metal disk (4) on described two big holes (2), be provided with two in metal disk (4) top by positive temperature coefficient thermistor PTC(5) the thin type lithium-manganese flexible-packed battery (6) of series connection, described positive temperature coefficient thermistor PTC(5) with and a battery (6) positive pole ear that connects of two ends, be provided with insulating surfaces pad (7) below another battery (6) negative lug, a described battery (6) negative lug is connected with piece of metal disk (4), described another battery (6) positive pole ear is connected with another sheet metal disk (4), be provided with the blister cover (8) together with cardboard (1) soldering and sealing in two batteries (6) top, the two ends, the two poles of the earth of two batteries (6) are parallel with respectively diode (9), described blister cover (8) covers two batteries and two diodes (9),
It is characterized in that comprising the following steps:
The 1st step, be placed on operating table surface by cardboard in a supine mode that scribbles plastics-absorbing oil, with double faced adhesive tape, two metal disks is fixed on two circular holes of cardboard;
The 2nd step, stick on the sticking bar shaped insulating surfaces of single face tool pad on two metal disks with center on Page;
The 3rd step, by two thin type lithium-manganese flexible-packed batteries, stick on side by side on cardboard between two parties, the battery top margin surpasses insulating surfaces pad lower limb 1-2mm, and battery two lugs adjacent to each other are placed on the insulating surfaces pad fully, and two other lug contacts with the metal disk on both sides respectively;
The 4th step is welded respectively a diode on two batteries, then by bar shaped PTC, two batteries is together in series, and two lugs at two ends weld together with corresponding metal disk respectively;
The 5th step, on cardboard and mix up position, utilize the plastic uptake sealing machine that blister cover is completed to processing together with cardboard soldering and sealing the plastic uptake cover cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102255707A CN102324532B (en) | 2011-08-08 | 2011-08-08 | Thin type lithium-manganese soft packing battery pack and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102255707A CN102324532B (en) | 2011-08-08 | 2011-08-08 | Thin type lithium-manganese soft packing battery pack and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN102324532A CN102324532A (en) | 2012-01-18 |
| CN102324532B true CN102324532B (en) | 2013-12-04 |
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| CN109671896A (en) * | 2018-12-14 | 2019-04-23 | 惠州市惠德瑞锂电科技股份有限公司 | A kind of thin type lithium-manganese flexible-packed battery that safety is good |
| CN113764721B (en) * | 2021-09-09 | 2023-03-24 | 宁德新能源科技有限公司 | Electrochemical device and electronic device |
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| KR100289541B1 (en) * | 1999-03-31 | 2001-05-02 | 김순택 | Secondary battery |
| CN2774990Y (en) * | 2005-01-25 | 2006-04-26 | 东莞市迈科科技有限公司 | Battery package structure |
| CN201112482Y (en) * | 2007-09-30 | 2008-09-10 | 武汉昊诚能源科技有限公司 | High capacity 9 volt lithium magnesium soft package combination battery structure |
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Address after: 430040 No.18, Yinhu science and Technology Industrial Development Park, Wuhan City, Hubei Province Patentee after: Wuhan Haocheng lithium Technology Co.,Ltd. Address before: 430040 No.18, Yinhu science and Technology Industrial Development Park, Wuhan City, Hubei Province Patentee before: WUHAN HAOCHENG ENERGY RESOURCES TECHNOLOGY Co.,Ltd. |