CN101651189A - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN101651189A CN101651189A CN200810021172A CN200810021172A CN101651189A CN 101651189 A CN101651189 A CN 101651189A CN 200810021172 A CN200810021172 A CN 200810021172A CN 200810021172 A CN200810021172 A CN 200810021172A CN 101651189 A CN101651189 A CN 101651189A
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- Prior art keywords
- battery
- negative pole
- brace
- battery unit
- exit
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- 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
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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery pack, which comprises a shell, an anode terminal, a cathode terminal, a plurality of battery units, a battery connecting sheet, an anode leading-out terminal connecting sheet and a cathode leading-out terminal connecting sheet, wherein the plurality of battery units are accommodated in the shell; the battery connecting sheet is used for electrically connecting theplurality of battery units; the anode leading-out terminal connecting sheet is used for connecting at least one of the plurality of battery units with the anode terminal; the cathode leading-out terminal connecting sheet is used for connecting at least one of the plurality of battery units with the cathode terminal; and at least one of the anode leading-out terminal connecting sheet and the cathode leading-out terminal connecting sheet comprises a plurality of metal sheets.
Description
Technical field
The present invention relates to a kind of rechargeable battery pack, especially relate to a kind of rechargeable battery pack that is used on the hand held electric tool.
Background technology
Our hand held electric tool of knowing at present, for example hand-hold type drill kind tool, hand-hold type saw class instrument etc. usually or use alternating current machine or use direct current machine as drive motors.And for the instrument that uses alternating current machine, the afterbody at instrument is connected with a cable usually, supplies with alternating current by this cable by electrical network.Instrument for using direct current machine is equipped with rechargeable battery pack usually and powers on instrument.This rechargeable battery pack generally includes several battery units, is electrically connected mutually and is contained in the plastic casing by cell connector between these battery units.Two anode and cathode terminals stretch out the anode and cathode terminals that is used for on instrument or the charger from plastic casing and are electrically connected.Two exit braces are connected to battery unit on the anode and cathode terminals respectively.The existing exit brace that is used on the battery pack all is to be made of a sheet metal, in use, the hand held electric tool that battery pack for example ought be installed in operating process in, especially when the big electric current continuous firing long period of hand held electric tool, temperature on the exit brace will sharply rise, thereby cause plastic casing and battery cell temperature near the exit brace to rise, so, can make to a certain degree that when the temperature of plastic casing rises to plastic casing dissolves, operating personnel's secure context can not get ensureing; The battery cell temperature rising can make the battery unit life-span reduce greatly, changes the frequency of battery pack thereby increase the consumer, so that increased consumer cost.
Summary of the invention
Technical problem to be solved by this invention provides a kind of safer, the battery pack of longer service life.
In order to address the above problem, the invention provides a kind of battery pack, comprising: housing; Anode and cathode terminals; Be contained in the some battery units in the described housing; Be used for the cell connector that is electrically connected between described some battery units; At least one that is used for described some battery units is connected in the anodal exit brace of positive terminal; At least one that is used for described some battery units is connected in the negative pole exit brace of negative terminal; Have at least one to comprise many sheet metals in the described negative or positive electrode exit brace.
In disclosed battery pack, having one in the negative or positive electrode exit brace at least is to be made of many sheet metals, can make that like this caloric value on the every sheet metal is littler than common single piece of metal sheet caloric value, thereby the shell that is adjacent relatively is not easy thermosolization, and the life-span of battery unit also can be prolonged.
Preferred implementation of the present invention is also following several:
Preferably, anodal exit brace of the present invention comprises many sheet metals.
Preferably, negative pole exit brace of the present invention comprises many sheet metals.
Preferably, anodal exit brace of the present invention and negative pole exit brace comprise many sheet metals respectively.
Preferably, some battery units of the present invention comprise that at least two battery units are connected in parallel, the battery unit that these are connected in parallel just/be electrically connected by the exit brace that comprises many sheet metals respectively between negative pole end and just/negative terminal.
Preferably, just of the present invention/negative pole exit brace is made of many sheet metals, and the position relation of these many sheet metals is the settings of overlapping at least.
Preferably, just of the present invention/negative pole exit brace is made of many sheet metals, and these many sheet metals are arranged side by side.
Preferably, some battery units of the present invention comprise the battery group that at least two groups are connected in parallel by at least two battery units, wherein have between the positive pole of a battery group and the positive terminal to be electrically connected, be electrically connected by the negative pole exit brace that comprises many sheet metals between the negative pole of another battery group and the negative terminal by the anodal exit brace that comprises many sheet metals.
Preferably, between anodal exit brace of the present invention and positive terminal, be provided with fuse.Above-mentioned battery group comprises that the first battery group and the second battery group are connected in series, wherein the first battery group comprises that first battery unit and second battery unit are connected in parallel, anodal exit brace comprises first sheet metal and second sheet metal, one end of first sheet metal is welded in the positive pole of first battery unit, one end of second sheet metal is welded in the positive pole of second battery unit, and the other end of first sheet metal and second sheet metal is connected on the described fuse by rivet together.
Preferably, battery of the present invention group comprises that the first battery group and the second battery group are connected in series, wherein the second battery group comprises that the 3rd battery unit and the 4th battery unit are connected in parallel, described negative pole exit brace comprises the 3rd sheet metal and the 4th sheet metal, one end of the 3rd sheet metal is welded in the negative pole of the 3rd battery unit, one end of the 4th sheet metal is welded in the negative pole of the 4th battery unit, and the other end of the 3rd sheet metal and the 4th sheet metal is connected on the described negative terminal by rivet together.
Preferably, both positive and negative polarity exit brace of the present invention comprises first sheet metal and second sheet metal, this two metal sheets is arranged side by side, an end of first sheet metal be welded in first battery unit just/negative pole end, the other end is connected in positive terminal or is directly connected in negative terminal by fuse; One end of second sheet metal be welded in second battery unit just/negative pole end, the other end is directly connected on the negative terminal.
Preferably, just of the present invention/negative pole exit brace comprises first sheet metal and second sheet metal, this two metal sheets is arranged side by side, one end of first sheet metal be welded in second battery unit just/negative pole end, mid portion be welded in first battery unit just/negative pole end, the other end is connected in positive terminal or is directly connected in negative terminal by fuse; One end of second sheet metal be welded in second battery unit just/negative pole end, mid portion be welded in first battery unit just/negative pole end, the other end is directly connected on the negative terminal.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further detailed description.
Fig. 1 is the stereogram of the battery pack that first embodiment of the invention disclosed.
Fig. 2 is the exploded view of the battery pack that Fig. 1 disclosed.
Fig. 3 is the circuit diagram of the battery pack that Fig. 1 disclosed.
Fig. 4 is the stereogram that is contained in the some battery units in the side stand of the battery pack that Fig. 1 disclosed.
Fig. 5 is the side projection figure of some battery units that Fig. 1 disclosed.
The perspective view that Fig. 6 sees from another side for some battery units that Fig. 1 disclosed.
Fig. 7 is the stereogram of some battery units of the battery pack that Fig. 1 disclosed.
The stereogram that Fig. 8 sees from opposite side for some battery units of the battery pack that Fig. 1 disclosed.
Fig. 9 for anodal exit brace that Fig. 5 disclosed along A-A to cutaway view.
Figure 10 for negative pole exit brace that Fig. 6 disclosed along B-B to cutaway view.
Figure 11 for some battery units of the battery pack that second embodiment of the invention disclosed and just/schematic diagram of negative pole exit brace.
Figure 12 for some battery units of the battery pack that third embodiment of the invention disclosed and just/schematic diagram of negative pole exit brace.
Figure 13 for some battery units of the battery pack that fourth embodiment of the invention disclosed and just/schematic diagram of negative pole exit brace.
Figure 14 for some battery units of the battery pack that fifth embodiment of the invention disclosed and just/schematic diagram of negative pole exit brace.
Among the figure:
1. battery pack 3. housings 5. some battery units
5a. the first battery unit 5b., the second battery unit 5c. the 3rd battery unit
5d. the 4th battery unit 5e. the 5th battery unit 5f. the 6th battery unit
5g. the 7th battery unit 5h. the 8th battery unit 5i. the 9th battery unit
5j. the tenth battery unit 7. splicing ear 7a. positive terminals
7b. negative terminal 7c. temperature control utmost point 7d. voltage identification terminal
9. the cell connector 9a. first cell connector 9b. second cell connector
9c. the 3rd cell connector 9d. the 4th cell connector 11. upper shells
13. lower house 15. first side stands 17. second side stands
19. connect regional 21. buckles, 23. openings
Accommodate cavity 29. tops and accommodate cavity 25. first accommodates cavity 27. second
31. cavity 33. thermistors 34. fixed resistance value resistance are accommodated in the bottom
35. anodal exit brace 37. negative pole exit braces 39. fuses
41. the first positive terminal nickel sheet, 43. second positive terminal nickel sheets, 45. rivets
47. weld part 49. weld parts 51. first negative pole end nickel sheets
53. the second negative pole end nickel sheet, 55. rivets, 57. weld parts
59. weld part 61. first battery units 62. second battery units
63. the 3rd battery unit 41a. first nickel sheet 43a. second nickel sheet
44a. the 3rd nickel sheet 41b. first nickel sheet 43b. second nickel sheet
41c. the first nickel sheet 43c., the second nickel sheet 41d., the first nickel sheet
43d. the second nickel sheet
Embodiment
First execution mode
Referring to figs. 1 through Fig. 2, a kind of battery pack 1 comprises housing 3, is contained in the some battery units 5 in this housing 3 and is exposed to the outer some splicing ears 7 of this housing.Some battery units 5 are electrically connected by cell connector 9.
With further reference to Fig. 3, in the present embodiment, described some battery units 5 are to be made of ten columniform rechargeable cell, and these ten rechargeable cell comprise: the first battery unit 5a, the second battery unit 5b, the 3rd battery unit 5c, the 4th battery unit 5d, the 5th battery unit 5e, the 6th battery unit 5f, the 7th battery unit 5g, the 8th battery unit 5h, the 9th battery unit 5i and the tenth battery unit 5j.Be electrically connected by cell connector 9 between these ten rechargeable cell 5a-j.These ten rechargeable cell 5a-j are divided into five battery groups, each battery group is connected in parallel by two rechargeable cell, be connected in series between these five battery groups then, certainly the quantity of battery unit is not limited to two parallel connections in each battery group, also can be three or more battery unit parallel connections, the quantity of battery group also is not limited to five, also can be one or two or other well known to those skilled in the art and think the quantity that is necessary according to application target.Certainly also might other connected mode well-known to those skilled in the art between the battery unit, for example series, parallel or connection in series-parallel combination.In the present embodiment, the nominal voltage of each battery unit is 3.6 volts, and total nominal voltage of battery pack is 18 volts.As required, battery unit or battery pack also can have different nominal voltages.
Some battery units 5 can be any rechargeable cell chemical substance types, for example nickel-cadmium (NiCd), nickel-metal hydrides (NiMH), lithium (Li), lithium-ion (Li-ion), other lithium base chemical substances, other rechargeable cell chemical substances etc.
With reference to Fig. 2 and Fig. 4, first side stand 15 and second side stand 17 comprise that respectively first accommodates cavity 25 and second and accommodate cavity 27, ten battery units 5 are arranged in two-layer according to the aforementioned electric connected mode, every layer comprises five battery units 5, the battery unit axle (not shown) of these battery units is parallel to each other, and the two ends of battery unit are contained in first respectively and accommodate cavity 25 and second and accommodate in the cavity 27.Upper shell 11 and lower house 13 comprise that respectively cavity 29 is accommodated on top and cavity 31 is accommodated in the bottom, and some battery units 5 are contained in first of first side stand 15 and second side stand 17 and accommodate and be contained in after cavity 25 and second is accommodated in the cavity 27 that cavity 29 is accommodated on top and accommodate in the cavity 31 bottom.
With reference to Fig. 5 and Fig. 6, the first battery group is connected in parallel by the first battery unit 5a and the second battery unit 5b; The second battery group is connected in parallel by the 3rd battery unit 5c and the 4th battery unit 5d; The 3rd battery group is connected in parallel by the 5th battery unit 5e and the 6th battery unit 5f; The 4th battery group is connected in parallel by the 7th battery unit 5g and the 8th battery unit 5h; The 5th battery group is connected in parallel by the 9th battery unit 5i and the tenth battery unit 5j.
With further reference to Fig. 5 and Fig. 6, each battery unit comprises a positive terminal and a negative pole end (with reference to diagram).Cell connector 9 is " returning " shape structure, and four angles of this back-shaped cell connector are welded in the positive terminal or the negative pole end of battery unit respectively.Cell connector 9 comprises that the first cell connector 9a, the second cell connector 9b, the 3rd cell connector 9c are connected the 9d sheet with the 4th battery.Concrete connected mode is:
The negative pole end of the negative pole end of the positive terminal of the positive terminal of the 3rd battery unit 5c, the 4th battery unit 5d, the 9th battery unit 5i and the tenth battery unit 5j is electrically connected by the first cell connector 9a.
The positive terminal of the positive terminal of the negative pole end of the negative pole end of the 5th battery unit 5e, the 6th battery unit 5f, the 7th battery unit 5g and the 8th battery unit 5h is electrically connected by the second cell connector 9b.
The positive terminal of the positive terminal of the negative pole end of the negative pole end of the first battery unit 5a, the second battery unit 5b, the 5th battery unit 5e and the 6th battery unit 5f is electrically connected by the 3rd cell connector 9c.
The positive terminal of the positive terminal of the negative pole end of the negative pole end of the 7th battery unit 5g, the 8th battery unit 5h, the 9th battery unit 5i and the tenth battery unit 5j is electrically connected by the 4th cell connector 9d.
With further reference to Fig. 7 and Fig. 8, splicing ear 7 comprises positive terminal 7a, negative terminal 7b, temperature control utmost point 7c and voltage identification terminal 7d.Splicing ear 7 is located at the upper strata of battery unit 5, direction along the battery unit axis is arranged in order, wherein positive terminal 7a and negative terminal 7b lay respectively at the position, both sides, and temperature control utmost point 7c and voltage identification terminal 7d are positioned at the mid portion of positive terminal 7a and negative terminal 7b.
Temperature control utmost point 7c is connected with thermistor 33, is used to discern the temperature of battery pack 1.
Simultaneously with reference to Fig. 9, anodal exit brace 35 comprises two thin nickel sheets, the i.e. first positive terminal nickel sheet 41 and the second positive terminal nickel sheet 43, one end of the first positive terminal nickel sheet 41 is welded in the positive terminal of the first battery unit 5a, and the other end of the first positive terminal nickel sheet 41 is connected in an end of fuse 39 by rivet 45; One end of the second positive terminal nickel sheet 43 is welded in the positive terminal of the second battery unit 5b, and the other end of the second positive terminal nickel sheet 43 is connected in an end of fuse 39 by rivet 45.The first positive terminal nickel sheet 41 and the 43 overlapping settings of the second positive terminal nickel sheet, the first positive terminal nickel sheet 41 is positioned at the following of the second positive terminal nickel sheet 43 and is shorter than the second positive terminal nickel sheet slightly, in the present embodiment, why the first positive terminal nickel sheet 41 is shorter than the second positive terminal nickel sheet 43 is because the first battery unit 5a is positioned at the top of the second battery unit 5b, the positive terminal of the first battery unit 5a apart from the distance of fuse 39 less than the distance of the second battery unit 5b positive terminal apart from fuse 39.The width of the first positive terminal nickel sheet 41 is identical with the width of the second positive terminal nickel sheet 43, and the width of the certain first positive terminal nickel sheet 41 and the second positive terminal nickel sheet 43 also can be different.
The first positive terminal nickel sheet 41 and the second positive terminal nickel sheet 43 comprise that respectively weld part 47 and 49, the first positive terminal nickel sheets are welded in the positive terminal of the first battery unit 5a so that this first positive terminal nickel sheet 41 is electrically connected with the first battery unit 5a by this weld part 47.The second positive terminal nickel sheet 43 is welded in the positive terminal of the second battery unit 5b so that this second positive terminal nickel sheet 43 is electrically connected with the second battery unit 5b by this weld part 49.
In the present embodiment, first positive terminal nickel sheet 41 extension along its length ends in weld part 47, that is to say the positive terminal that ends in the first battery unit 5a.In addition, the first positive terminal nickel sheet 41 also can extend downwards surpasses the first battery unit 5a positive terminal, thereby arrives the positive terminal of the second battery unit 5b.In theory, the first positive terminal nickel sheet 41 can extend through the weld part 49 of the second positive terminal nickel sheet 43 downwards, but preferred, and the weld part 49 that ends in the second positive terminal nickel sheet 43 that the first positive terminal nickel sheet 41 extends gets final product.
Simultaneously with reference to Figure 10, negative pole exit brace 37 comprises two thin nickel sheets i.e. first negative pole end nickel sheet 51 and the second negative pole end nickel sheet 53, one end of the first negative pole end nickel sheet 51 is welded in the negative pole end of the 3rd battery unit 5c, and the other end of the first negative pole end nickel sheet 51 is connected in negative terminal 7b by rivet 55; One end of the second negative pole end nickel sheet 53 is welded in the negative pole end of the 4th battery unit 5d, and the other end of the second negative pole end nickel sheet 53 is connected in negative terminal 7b by rivet 55.The first negative pole end nickel sheet 51 and the 53 overlapping settings of the second negative pole end nickel sheet, the first negative pole end nickel sheet 51 is positioned at the following of the second negative pole end nickel sheet 53 and is shorter than the second negative pole end nickel sheet 53 slightly, in the present embodiment, why the first negative pole end nickel sheet 51 is shorter than the second negative pole end nickel sheet 53 is because the 3rd battery unit 5c is positioned at the top of the 4th battery unit 5d, the positive terminal of the 3rd battery unit 5c apart from the distance of negative terminal 7b less than the distance of the 4th battery unit 5d positive terminal apart from negative terminal 7b.The width of the first negative pole end nickel sheet 51 is identical with the width of the second negative pole end nickel sheet 53.The width of the certain first negative pole end nickel sheet 51 and the second negative pole end nickel sheet 53 also can be different.
The first negative pole end nickel sheet 51 and the second negative pole end nickel sheet 53 comprise that respectively weld part 57 and 59, the first negative pole end nickel sheets 51 are welded in the negative pole end of the 3rd battery unit 5c so that this first negative pole end nickel sheet 51 is electrically connected with the 3rd battery unit 5c by this weld part 57.The second negative pole end nickel sheet 53 is welded in the positive terminal of the 4th battery unit 5d so that this second negative pole end nickel sheet 53 is electrically connected with the 4th battery unit 5d by this weld part 59.
In the present embodiment, first negative pole end nickel sheet 51 extension along its length ends in weld part 57, that is to say the negative pole end that ends in the 3rd battery unit 5c.In addition, the first negative pole end nickel sheet 51 also can extend downwards surpasses the 3rd battery unit 5c negative pole end, thereby arrives the negative pole end of the 4th battery unit 5d.In theory, the first negative pole end nickel sheet 51 can extend through the weld part 59 of the second negative pole end nickel sheet 53 downwards, but preferred, and the weld part 59 that ends in the second negative pole end nickel sheet 53 that the first negative pole end nickel sheet 51 extends gets final product.
In the present embodiment, the first positive terminal nickel sheet 41 overlaps with the end that the second positive terminal nickel sheet 43 links to each other with fuse 39, is connected in by rivet 45 on the end of fuse.The first negative pole end nickel sheet 51 overlaps with the end that the second negative pole end nickel sheet 53 links to each other with negative terminal 7b, is connected on the negative terminal 7b by rivet 55.
The present invention can also have other execution mode, is exemplified below:
Second execution mode
With reference to Figure 11 is second embodiment of the invention, the place identical with first embodiment just repeats no more here, the main distinction feature of the present embodiment and first execution mode is: each battery group is by three battery units 61,62,63 are formed in parallel, and positive pole or negative pole or both positive and negative polarity exit brace comprise the first nickel sheet 41a, the second nickel sheet 43a and the 3rd nickel sheet 44a.The end of the first nickel sheet 41a be welded in first battery unit 61 just/negative pole end, the other end just is being connected in/negative terminal; The end of the second nickel sheet 43a be welded in second battery unit 62 just/negative pole end, the other end just is being connected in/negative terminal; The end of the 3rd nickel sheet 44a be welded in the 3rd battery unit 63 just/negative pole end, the other end just is being connected in/negative terminal; First, second and the 3rd nickel sheet 41a, 43a, the overlapping setting of 44a.
The 3rd execution mode
With reference to Figure 12 is third embodiment of the invention, and the present embodiment and second execution mode are basic identical, and different is, and positive pole or negative pole or both positive and negative polarity exit brace comprise the first nickel sheet 41b and the second nickel sheet 43b.The end of the first nickel sheet 41b be welded in second battery unit 62 just/negative pole end, the mid portion of the first nickel sheet 41b be welded in first battery unit 61 just/negative pole end, the other end of the first nickel sheet 41b just is being connected in/negative terminal.The first and second nickel sheet 41b, the overlapping setting of 43b.
The 4th execution mode
With reference to Figure 13 is fourth embodiment of the invention, and different is with the several embodiments of front: positive pole or negative pole or both positive and negative polarity exit brace comprise the first nickel sheet 41c and the second nickel sheet 43c.The first nickel sheet 41c and the second nickel sheet 43c are arranged side by side, and do not resemble above-mentioned overlapping setting.The end of the first nickel sheet 41c be welded in first battery unit 61 just/negative pole end, the other end just is being connected in/negative terminal; The end of the second nickel sheet 43c be welded in second battery unit 62 just/negative pole end, the other end just is being connected in/negative terminal.The first nickel sheet 41c is shorter than the second nickel sheet 43c slightly.
The 5th execution mode
With reference to Figure 14 is fifth embodiment of the invention, roughly the same with the 4th embodiment, the first nickel sheet 41d and the second nickel sheet 43d are arranged side by side, different is: the end of the first nickel sheet 41d be welded in second battery unit 62 just/negative pole end, the mid portion of the first nickel sheet 41d be welded in first battery unit 61 just/negative pole end, the other end of the first nickel sheet 41d just is being connected in/negative terminal; The end of the second nickel sheet 43d be welded in second battery unit 62 just/negative pole end, the mid portion of the second nickel sheet 43d be welded in first battery unit 61 just/negative pole end, the other end of the second nickel sheet 43d just is being connected in/negative terminal.The first nickel sheet 41d and the second nickel sheet 43d length are about equally.
Claims (13)
1. a battery pack comprises: housing; Anode and cathode terminals; Be contained in the some battery units in the described housing; Be used for the cell connector that is electrically connected between described some battery units; At least one that is used for described some battery units is connected in the anodal exit brace of positive terminal; At least one that is used for described some battery units is connected in the negative pole exit brace of negative terminal; It is characterized in that: have at least one to comprise many sheet metals in the described negative or positive electrode exit brace.
2. battery pack according to claim 1 is characterized in that: described anodal exit brace comprises many sheet metals.
3. battery pack according to claim 1 is characterized in that: described negative pole exit brace comprises many sheet metals.
4. battery pack according to claim 1 is characterized in that: described anodal exit brace and described negative pole exit brace comprise many sheet metals respectively.
5. battery pack according to claim 1, it is characterized in that: described some battery units comprise that at least two battery units are connected in parallel, the battery unit that these are connected in parallel just/be electrically connected by described exit brace respectively between negative pole and just/negative terminal.
6. battery pack according to claim 1 or 5, it is characterized in that: at least one is made of many sheet metals in just described/negative pole exit brace, and the position relation of these many sheet metals is the settings of overlapping at least.
7. battery pack according to claim 1 or 5, it is characterized in that: at least one is made of many sheet metals in just described/negative pole exit brace, and these many sheet metals are arranged side by side.
8. battery pack according to claim 1, it is characterized in that: described some battery units comprise the battery group that at least two groups are connected in parallel by at least two battery units, wherein have between the positive pole of a battery group and the positive terminal to be electrically connected, be electrically connected by described negative pole exit brace between the negative pole of another battery group and the negative terminal by described anodal exit brace.
9. battery pack according to claim 8 is characterized in that: at least one is made of many sheet metals in just described/negative pole exit brace, and the position relation of these many sheet metals is the settings of overlapping at least.
10. battery pack according to claim 8 is characterized in that: at least one is made of many sheet metals in the described both positive and negative polarity exit brace, and these many sheet metals are arranged side by side.
11. battery pack according to claim 8 is characterized in that: be provided with fuse between described anodal exit brace and the described positive terminal.
12. battery pack according to claim 11, it is characterized in that: described battery group comprises that the first battery group and the second battery group are connected in series, wherein the first battery group comprises that first battery unit and second battery unit are connected in parallel, described anodal exit brace comprises first sheet metal and second sheet metal, one end of first sheet metal is welded in the positive pole of first battery unit, one end of second sheet metal is welded in the positive pole of second battery unit, and the other end of first sheet metal and second sheet metal is connected on the described fuse by rivet together.
13. battery pack according to claim 11, it is characterized in that: described battery group comprises that the first battery group and the second battery group are connected in series, wherein the second battery group comprises that the 3rd battery unit and the 4th battery unit are connected in parallel, described negative pole exit brace comprises the 3rd sheet metal and the 4th sheet metal, one end of the 3rd sheet metal is welded in the negative pole of the 3rd battery unit, one end of the 4th sheet metal is welded in the negative pole of the 4th battery unit, and the other end of the 3rd sheet metal and the 4th sheet metal is connected on the described negative terminal by rivet together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100211721A CN101651189B (en) | 2008-08-14 | 2008-08-14 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100211721A CN101651189B (en) | 2008-08-14 | 2008-08-14 | Battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101651189A true CN101651189A (en) | 2010-02-17 |
| CN101651189B CN101651189B (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100211721A Active CN101651189B (en) | 2008-08-14 | 2008-08-14 | Battery pack |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103682229A (en) * | 2013-12-21 | 2014-03-26 | 苏州市博得立电源科技有限公司 | Method for realizing tight serial and parallel connection on cylindrical battery cells in battery pack |
| CN104393211A (en) * | 2014-12-05 | 2015-03-04 | 江苏天鹏电源有限公司 | Split type support connected 36V battery pack with good shock absorption effect |
| CN104466055A (en) * | 2014-12-05 | 2015-03-25 | 江苏天鹏电源有限公司 | 36V battery pack with stableness in structure and reliability in use |
| DE102015200409A1 (en) | 2015-01-14 | 2016-07-14 | Robert Bosch Gmbh | Method and device for charging a battery module |
| CN108352490A (en) * | 2016-01-25 | 2018-07-31 | 宝马股份公司 | Connector system, battery module, the method and running equipment for being used to form tap |
| CN110024228A (en) * | 2016-10-25 | 2019-07-16 | 费斯托工具有限责任公司 | Electric device or energy accumulator coupling arrangement |
| CN112106222A (en) * | 2018-05-04 | 2020-12-18 | 罗伯特·博世有限公司 | Storage battery pack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070024407A1 (en) * | 2003-05-29 | 2007-02-01 | Kenji Senda | Temperature fuse element, temperature fuse and battery using the same |
| US20100196752A1 (en) * | 2006-03-20 | 2010-08-05 | Zai Yue | Soft Package Lithium Ion Power Battery Module |
| CN201256156Y (en) * | 2008-08-15 | 2009-06-10 | 苏州宝时得电动工具有限公司 | Battery pack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103682229A (en) * | 2013-12-21 | 2014-03-26 | 苏州市博得立电源科技有限公司 | Method for realizing tight serial and parallel connection on cylindrical battery cells in battery pack |
| CN104393211A (en) * | 2014-12-05 | 2015-03-04 | 江苏天鹏电源有限公司 | Split type support connected 36V battery pack with good shock absorption effect |
| CN104466055A (en) * | 2014-12-05 | 2015-03-25 | 江苏天鹏电源有限公司 | 36V battery pack with stableness in structure and reliability in use |
| CN104466055B (en) * | 2014-12-05 | 2016-08-17 | 江苏天鹏电源有限公司 | A kind of Stability Analysis of Structures service-strong 36V battery bag |
| DE102015200409A1 (en) | 2015-01-14 | 2016-07-14 | Robert Bosch Gmbh | Method and device for charging a battery module |
| CN108352490A (en) * | 2016-01-25 | 2018-07-31 | 宝马股份公司 | Connector system, battery module, the method and running equipment for being used to form tap |
| CN108352490B (en) * | 2016-01-25 | 2021-03-19 | 宝马股份公司 | Connector system, battery module, method for forming a tap and operating device |
| CN110024228A (en) * | 2016-10-25 | 2019-07-16 | 费斯托工具有限责任公司 | Electric device or energy accumulator coupling arrangement |
| CN110024228B (en) * | 2016-10-25 | 2022-04-19 | 费斯托工具有限责任公司 | Coupling device for an electric appliance or energy store |
| CN112106222A (en) * | 2018-05-04 | 2020-12-18 | 罗伯特·博世有限公司 | Storage battery pack |
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| CN101651189B (en) | 2013-07-03 |
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