CN209200052U - Battery pack and electric tool system - Google Patents
Battery pack and electric tool system Download PDFInfo
- Publication number
- CN209200052U CN209200052U CN201822146711.6U CN201822146711U CN209200052U CN 209200052 U CN209200052 U CN 209200052U CN 201822146711 U CN201822146711 U CN 201822146711U CN 209200052 U CN209200052 U CN 209200052U
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- male plug
- plug piece
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- electrode terminal
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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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Abstract
The utility model provides a kind of battery pack and electric tool system, and the battery pack includes the identical battery core of four groups of voltages and corresponds eight electrode terminals being electrically connected with the positive and negative anodes of four groups of battery cores, and the electrode terminal is arranged independently of one another；Four groups of battery cores described in when battery pack and external plug assembly carry out grafting both participate in work, and three kinds of voltages are selectively exported by way of combining in series and parallel.So set, the same battery pack property of can choose for three kinds with different rated operational voltages electric tool systems power, it is easy to operate, use cost reduce.
Description
Technical field
The utility model relates to field power tool field more particularly to a kind of battery pack and electric tool systems.
Background technique
In graden machine, power tool industry, electric tool usually by rechargeable battery a group driving, is generally used by more
The battery pack of a battery unit composition, and the electric energy by storing in battery pack is come drive motor.It is reduced, can be incited somebody to action using rear voltage
Battery pack is removed from electric tool, is charged using external recharging apparatus to battery pack.
Electric tool usually has a specified operating voltage, and different electric tools often has different specified works
Make voltage, and the output voltage of battery pack is fixed, it is thus desirable to prepare different battery packs to be adapted to different nominal operations
The electric tool of voltage, operation is comparatively laborious, and use cost increases, and causes the wasting of resources.
In view of this, it is necessary to a kind of battery pack and electric tool system are designed, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of battery packs for being capable of providing three kinds of different output voltages and electronic
Tool system.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of battery pack, including four groups of voltages are identical
Battery core and correspond the electrode terminal being electrically connected with the positive and negative anodes of four groups of battery cores, the electrode terminal is independent of one another
Setting；Four groups of battery cores described in when battery pack and external plug assembly carry out grafting both participate in work, and by combining in series and parallel
Mode selectively export three kinds of voltages.
As the further improved technical solution of the utility model, eight electrode terminals are arranged in two rows, outside
Four electrode terminals of side are the electrode terminal of wherein two groups of battery cores, and the anode and cathode terminals of same group of battery core are in diagonal relationships
Arrangement；Remaining four electrode terminals are the electrode terminal of other two groups of battery cores, and the anode and cathode terminals of same group of battery core are also in pair
The arrangement of linea angulata relationship.
As the further improved technical solution of the utility model, the 4th negative pole end is followed successively by positioned at the electrode terminal of upper row
Son, the second negative terminal, third positive terminal and the first positive terminal, are followed successively by the first negative pole end positioned at the electrode terminal of lower row
Son, third negative terminal, the second positive terminal and the 4th positive terminal.
As the further improved technical solution of the utility model, eight electrode terminals of four groups of battery cores are linearly arranged
Column are followed successively by the 4th negative terminal, third negative terminal, the second negative terminal, the first negative terminal, the second positive terminal, the
Three positive terminals, the 4th positive terminal and the first positive terminal.
To achieve the above object, the utility model also adopts the following technical scheme that a kind of electric tool system, described electronic
Tool system includes any of the above-described battery pack, and the electric tool system is equipped with the male plug cooperated with the battery pack
Part, the male plug part and the electrode terminal cooperate to export one of three kinds of voltage to the electric tool system.
As the further improved technical solution of the utility model, the male plug part includes at least the first male plug piece and second
Male plug piece, the first male plug piece and the second male plug on piece are respectively provided with voltage output portion, when the male plug part and battery pack cooperate
When exporting low pressure, the first male plug piece connects the identical electrode terminal of four polarity, and the second male plug piece connects remaining
The identical electrode terminal of four polarity, the polarity phase of the electrode terminal being connect with the first male plug piece and the second male plug piece
Instead, four groups of battery cores are in parallel connection.
As the further improved technical solution of the utility model, the male plug part includes at least the first male plug piece, second
Male plug piece and third male plug piece, the first male plug piece and the second male plug on piece are respectively provided with voltage output portion, when the male plug
When part and battery pack are cooperated to press in exporting, the identical electrode of two polarity of the first male plug piece connection wherein two groups of battery cores
Terminal, the second male plug piece connect identical two electrode terminals of polarity of other two groups of battery cores, and the first male plug piece connects
The polarity for the electrode terminal that the polarity of the electrode terminal connect is connect with the second male plug piece is on the contrary, the third male plug piece connects
Remaining not connected electrode terminal.
As the further improved technical solution of the utility model, the male plug part includes at least the first male plug piece, second
Male plug piece, third male plug piece and the 4th male plug piece, the first male plug piece and the second male plug on piece are respectively provided with voltage output portion,
When the male plug part and battery pack cooperate to press in exporting, two polarity of the first male plug piece connection wherein two groups of battery cores
Identical electrode terminal, identical two electrode terminals of the other two groups of battery core polarity of the second male plug piece connection, described first
The polarity for the electrode terminal that the polarity of the electrode terminal of male plug piece connection is connect with the second male plug piece is on the contrary, the third is public
Inserted sheet and the 4th male plug piece are separately connected the different electrode terminal of remaining not connected polarity.
As the further improved technical solution of the utility model, the first male plug piece, the are included at least on the male plug part
Two male plug pieces, third male plug piece, the 4th male plug piece, the 5th male plug piece, the first male plug piece are set respectively with the second male plug on piece
There is voltage output portion, the first male plug piece is different with the polarity of first group of battery core and second group of battery core respectively with the second male plug piece
An electrode terminal connection, the third male plug piece by first group of battery core be not connected with electrode terminal and the 4th group of battery core electricity
Extreme son connection, the electrode terminal of electrode terminal and third group battery core that the 4th group of battery core is not connected with by the 4th male plug piece connect
It connects, the not connected electrode terminal of the electrode terminal and second group of battery core that third group battery core is not connected with by the 5th male plug piece connects
It connecing, the polarity of two electrode terminals connecting respectively with third male plug piece, the 4th male plug piece and the 5th male plug piece is different, with
Battery core is connected in series between each other to export high pressure.
As the further improved technical solution of the utility model, the electrode terminal is arranged in two rows.
As the further improved technical solution of the utility model, the electrode terminal is in single setting.
From the above technical scheme, the utility model is by matching the identical battery core of four groups of voltages from different male plug parts
Close grafting so that four groups of battery cores it is parallel with one another, it is in parallel two-by-two after series connection, connect two-by-two after it is in parallel or be serially connected, it is optional
Three kinds of voltages of the output selected, in this way, the same battery pack property of can choose for three kinds have different rated operational voltages
Electric tool system power supply, it is easy to operate, use cost reduce.
Detailed description of the invention
Fig. 1 is four groups of battery core parallel circuit figures in the utility model.
Fig. 2 is concatenated circuit diagram again after four groups of battery cores are in parallel two-by-two in the utility model.
Fig. 3 be the utility model in four groups of battery cores connect two-by-two after again parallel connection circuit diagram.
Fig. 4 is four groups of concatenated circuit diagrams of battery core in the utility model.
Fig. 5 is the perspective view of the battery pack of the utility model embodiment one.
Fig. 6 is the low pressure male plug part and conductive terminal plugboard chart of the utility model embodiment one.
Fig. 7 is the structure chart of Fig. 6 mesolow male plug part.
Fig. 8 is the middle pressure male plug part and conductive terminal plugboard chart of the utility model embodiment one.
Fig. 9 is the structure chart of middle pressure male plug part in Fig. 8.
Figure 10 is the structure chart that male plug piece is pressed in one of them in Fig. 9.
Figure 11 is the high pressure male plug part and conductive terminal plugboard chart of the utility model embodiment one.
Figure 12 is the structure chart of Figure 11 mesohigh male plug part.
Figure 13 is the structure chart of two of them high pressure male plug piece in Figure 12.
Figure 14 is the perspective view of the battery pack of the utility model embodiment two.
Figure 15 is the low pressure male plug part and conductive terminal plugboard chart of the utility model embodiment two.
Figure 16 is the structure chart of Figure 15 mesolow male plug part.
Figure 17 is the middle pressure male plug part and conductive terminal plugboard chart of the utility model embodiment two.
Figure 18 is the structure chart of middle pressure male plug part in Figure 17.
Figure 19 is high pressure male plug part and conductive terminal plugboard chart.
Figure 20 is the structure chart of Figure 19 mesohigh male plug part.
Specific embodiment
In order to keep the purpose of this utility model, technical solution and advantage clearer, with reference to the accompanying drawing and it is embodied
The utility model is described in detail in example.
Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings
It illustrate only the structure and/or processing step closely related with the embodiment of the utility model, and be omitted and the utility model
The little other details of relationship.
In addition, it should also be noted that, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.
It please join shown in Fig. 1 to Figure 20, a kind of electric tool system, including electric tool (not shown) and be mentioned for electric tool
The battery pack 100,200 of voltage supplied.
It please join shown in Fig. 5-13, be a kind of battery pack 100 of embodiment of the utility model comprising shell (is not schemed
Show), be contained in the identical four groups of battery cores of the intracorporal voltage of shell and with four groups of battery cores be electrically connected socket 110.It needs to illustrate
, the battery core can be individual battery or other energy carriers, be also possible to multiple batteries or energy carrier
Electrically combination；The battery includes but is not limited to the rechargeable batteries such as lithium battery, nickel-metal hydride battery, ickel-cadmium cell.Every group of electricity
The voltage rating of core is nV, and four groups of battery cores are respectively nV, 2nV and 4nV by combining three kinds of voltages of output in series and parallel.Separately
Outside, the measurement voltage of every group of battery core is that n ± 5%V can be considered equal.
Socket 110 includes ontology 106 and several conductive terminals being arranged independently of each other being contained in ontology 106.It is several
Conductive terminal includes eight electrode terminals being electrically connected with the positive electrode and negative electrode of four groups of battery cores, specially with first group of battery core
The first connected positive terminal 111 of positive and negative anodes and the first negative terminal 112, second to be connected with the positive and negative anodes of second group of battery core are just
Extreme son 113 and the second negative terminal 114, the third positive terminal 115 being connected with the positive and negative anodes of third group battery core and third are born
Extreme son 116 and the 4th positive terminal 117 and the 4th negative terminal 118 being connected with the positive and negative anodes of the 4th group of battery core.It is conductive
Terminal further includes the communication terminal 107 and charging terminal 108 being located on the outside of eight electrode terminals.Particularly, by communication terminal 107
It is provided separately with charging terminal 108, damage of the charging high pressure to battery pack can be prevented, extend the service life of battery pack.
In present embodiment, eight electrode terminals are arranged in two rows, and communication terminal 107 and charging terminal 108 are distinguished
Set on the two sides of two rows of electrode terminals；Two rows are located at four electrode terminals in outside for the electrode tip of wherein two groups of battery cores
Son, and the anode and cathode terminals of same group of battery core are arranged in diagonal relationships；Remaining four electrode terminals are other two groups of battery cores
Electrode terminal, the anode and cathode terminals of same group of battery core be also in diagonal relationships arrangement；Specifically, positioned at the electrode terminal of upper row
It is followed successively by the 4th negative terminal 118, the second negative terminal 114, third positive terminal 115 and the first positive terminal 111, under being located at
The electrode terminal of row is followed successively by the first negative terminal 112, third negative terminal 116, the second positive terminal 113 and the 4th positive terminal
Son 117.
Electric tool is equipped with the male plug part cooperated with battery pack 100, and male plug part is with eight electrode terminal cooperations to export
One of three kinds of voltage is to electric tool, in addition, male plug part further includes inserting with communication terminal 107 and the cooperation of charging terminal 108
The communication male plug piece 124 and charging male plug piece 125 connect, communicates male plug piece 124 and charging male plug piece 125 and is not involved in the defeated of voltage
Out, so this will not be repeated here.
Please join shown in Fig. 6-7, for the utility model battery pack 100 conductive terminal with equipped with the low pressure male plug part that docks
120 electric tool is (not shown) with the situation for merging output nV voltage.Low pressure male plug part 120 is independently arranged low including two
Male plug piece 121,122 is pressed, two low pressure male plug pieces 121,122 are mounted on pedestal (not shown).Low pressure male plug piece 121 includes phase
To two contact arms 1211 of setting, 1212, connect the interconnecting piece 1213 and and contact arm of two contact arms 1211,1212
1211 and the voltage output portion 1214 that connects of contact arm 1212, low pressure male plug piece 122 includes two contact arms being oppositely arranged
1221, it 1222, the interconnecting piece 1223 of two contact arms 1221,1222 of connection and is connect with contact arm 1221 and contact arm 1222
Voltage output portion 1224.
Socket 110 and low pressure male plug part 120 it is mating when, each contact arm of low pressure male plug piece 121,122 respectively with
The two electrode terminal grafting arranged up and down, specifically, the contact arm 1211 of low pressure male plug piece 121 simultaneously with the 4th negative terminal
118 and 112 grafting of the first negative terminal, contact arm 1212 is inserted with the second negative terminal 114 and third negative terminal 116 simultaneously
It connects.The contact arm 1221 of low pressure male plug piece 122 simultaneously with 113 grafting of third positive terminal 115 and the second positive terminal, contact arm
1222 simultaneously with the first positive terminal 111 and 118 grafting of the 4th positive terminal.In this way, identical four electrode terminals of polarity are simultaneously
Connection connection so that four groups of battery cores are connected in parallel, as shown in Figure 1, then battery pack 100 by two voltage output portions 1214,
1224 output nV voltages.
Please join shown in Fig. 8-10, for the utility model battery pack 100 conductive terminal with equipped with the middle pressure male plug part that docks
130 electric tool is (not shown) with the situation for merging output 2nV voltage.Middle pressure male plug part 130 includes three and is independently arranged
Middle pressure male plug piece 131,132,133, pressure male plug piece 131,132,133 is mounted on pedestal (not shown) in three.Wherein, middle pressure
Male plug piece 131 include two contact arms 1311 being oppositely arranged, 1312, connect the interconnecting pieces of two contact arms 1311,1312
1313 and the voltage output portion 1314 that is connect with contact arm 1311 and 1312, contact arm 1311,1312 respectively with the first cathode
116 grafting of terminal 112 and third negative terminal.Middle pressure male plug piece 132 include two contact arms 1321 being oppositely arranged, 1322,
The voltage output portion for connecting the interconnecting piece 1323 of two contact arms 1321,1322 and being connect with contact arm 1321 and 1322
1324；Contact arm 1321,1322 respectively with the second positive terminal 113 and 117 grafting of the 4th positive terminal.Middle pressure male plug piece 133
Including four contact arms 1331,1332,1333,1334 arranged side by side and three connections for connecting adjacent contact arm two-by-two
Portion 1335,1336,1337, contact arm 1331,1332,1333,1334 successively with the 4th negative terminal 118, the second negative terminal
114,111 grafting of third positive terminal 115 and the first positive terminal.When socket 110 and middle pressure male plug part 130 are mating, ask
Join shown in Fig. 2, four groups of battery cores are connected in series again to export 2nV voltage after being connected in parallel two-by-two.
Person of ordinary skill in the field it can be concluded that, in other embodiments mode, male plug part can be set to
The combination of other forms male plug piece, when so that male plug part and socket 110 are mating, four groups of battery cores be connected in series two-by-two after again simultaneously
Connection connection please be joined shown in Fig. 3, therefore not to repeat here with exporting 2nV voltage.
Please join shown in Figure 11-13, for the utility model battery pack 100 conductive terminal with equipped with the high pressure male plug part that docks
140 electric tool is (not shown) with the situation for merging output 4nV voltage.High pressure male plug part 140 includes five and is independently arranged
High pressure male plug piece 141,142,143,144,145, five high pressure male plug pieces 141,142,143,144,145 are mounted on pedestal (not
Diagram) on；Wherein, high pressure male plug piece 141 includes contact arm 1411 and the voltage output portion 1412 connecting with contact arm 1411,
112 grafting of contact arm 1411 and the first negative terminal；High pressure male plug piece 145 includes contact arm 1451 and connects with contact arm 1451
The voltage output portion 1452 connect, 117 grafting of contact arm 1451 and the 4th positive terminal.High pressure male plug piece 142 includes two opposite
The contact arm 1421,1422 of setting and the interconnecting piece 1423 for connecting contact arm 1421,1422, contact arm 1421,1422 respectively with
4th negative terminal 118,115 grafting of third positive terminal.High pressure male plug piece 143 includes two contact arms being oppositely arranged
1431,1432 and connect contact arm 1431,1432 interconnecting piece 1433, contact arm 1431,1432 respectively with the second negative terminal
114,111 grafting of the first positive terminal.High pressure male plug piece 144 respectively includes two contact arms being oppositely arranged 1441,1442 and
The interconnecting piece 1443 of contact arm 1441,1442 is connected, contact arm 1441,1442 is positive with third negative terminal 116, second respectively
113 grafting of terminal.When socket 110 and high pressure male plug part 140 are mating, it please join shown in Fig. 4, four groups of battery cores are connected in series with defeated
4nV voltage out.
It please join shown in Figure 14-20, be the utility model battery pack another embodiment, not with previous embodiment one
The arrangement mode of conductive terminal is only that with place.Battery pack 200 includes shell (not shown), is contained in the intracorporal four groups of electricity of shell
Core 202,203,204,205 and the socket 210 being electrically connected with four groups of battery cores 202,203,204,205.Socket 210 includes ontology
206 and several conductive terminals being arranged independently of each other for being contained in ontology 206, several conductive terminals include and four groups of battery cores
Eight electrode terminals that positive electrode and negative electrode are electrically connected, the first positive terminal being specially connected with the positive and negative anodes of first group of battery core
211 and first negative terminal 212, the second positive terminal 213 and the second negative terminal that are connected with the positive and negative anodes of second group of battery core
214, the third positive terminal 215 and third negative terminal 216 that are connected with the positive and negative anodes of third group battery core and with the 4th group of electricity
The positive and negative anodes of core connected the 4th positive terminal 217 and the 4th negative terminal 218.Conductive terminal further includes being located at eight electrode tips
The communication terminal and charging terminal (not shown) in sub- outside.
In present embodiment, eight electrode terminals are arranged in a linear, and are from left to right followed successively by the 4th negative terminal 218,
Three negative terminals 216, the second negative terminal 214, the first negative terminal 212, the second positive terminal 213, third positive terminal
215, the 4th positive terminal 217 and the first positive terminal 211.
Electric tool is equipped with the male plug part cooperated with battery pack 200, and male plug part is with eight electrode terminal cooperations to export
Any one voltage in three kinds of voltages is to the electric tool.Male plug part specifically includes following three kinds of embodiments:
Please join shown in Figure 15-16, for the utility model battery pack 200 conductive terminal with equipped with the low pressure male plug part that docks
220 electric tool is (not shown) with the situation for merging output nV voltage.Low pressure male plug part 220 is independently arranged low including two
Male plug piece 221,222 is pressed, two low pressure male plug pieces 221,222 are mounted on pedestal (not shown).Low pressure male plug piece 221 includes simultaneously
Arrange setting four contact arms 2211,2212,2213,2214, three interconnecting pieces 2215 of the two neighboring contact arm of connection,
2216,2217 and the voltage output portion 2218 that is connect with contact arm 2211,2212,2213,2214, contact arm 2211,2212,
2213,2214 successively with the 4th negative terminal 218, third negative terminal 216, the second negative terminal 214 and the first negative terminal
212 grafting.Low pressure male plug piece 222 include arranged side by side four contact arms 2221,2222,2223,2224, connection it is two neighboring
Three interconnecting pieces 2225,2226,2227 of contact arm and the voltage output being connect with contact arm 2221,2222,2223,2224
Portion 2228, contact arm 2221,2222,2223,2224 successively with the second positive terminal 213, third positive terminal the 215, the 4th just
Extreme son 217 and 211 grafting of the first positive terminal.When socket 210 and low pressure male plug part 220 are mating, two low pressure male plugs
Piece 221,222 is connected in parallel identical four electrode terminals of polarity of four groups of battery cores respectively, please join shown in Fig. 1, four groups of electricity
Core is connected in parallel to export nV voltage.
Please join shown in Figure 17-18, for the utility model battery pack 200 conductive terminal with equipped with the middle pressure male plug part that docks
230 electric tool is (not shown) with the situation for merging output 2nV voltage.Middle pressure male plug part 230 includes three be arranged side by side
The middle pressure male plug piece 231,232,233 being independently arranged, middle pressure male plug piece 231,232,233 are mounted on pedestal (not shown).In
Pressure male plug piece 231 include two contact arms 2311 being oppositely arranged, 2312, connect the interconnecting piece 2313 of contact arm 2311,2312
And the voltage output portion 2314 being connect with contact arm 2311,2312；Contact arm 2311,2312 respectively with the 4th negative terminal
218,216 grafting of third negative terminal.Middle pressure male plug piece 232 include two contact arms 2321 being oppositely arranged, 2322, connect
The interconnecting piece 2323 of contact arm 2321,2322 and the voltage output portion 2324 being connect with contact arm 2321,2322；Contact arm
2321,2322 respectively with the second positive terminal 213,211 grafting of the first positive terminal.Middle pressure male plug piece 233 includes being arranged side by side
Four contact arms 2331,2332,2333,2334 and adjacent contact arm is connected two-by-two three interconnecting pieces 2335,2336,
2337, contact arm 2331,2332,2333,2334 is successively positive with the second negative terminal 214, the first negative terminal 212, third
217 grafting of terminal 215 and the 4th positive terminal.When socket 210 and middle pressure male plug part 230 are mating, it please join shown in Fig. 2, four
Group battery core is connected in series again after being connected in parallel two-by-two to export 2nV voltage.
Person of ordinary skill in the field it can be concluded that, in other embodiments mode, male plug part can be set to
The combination of other forms male plug piece, when so that male plug part and socket 210 are mating, four groups of battery cores be connected in series two-by-two after again simultaneously
Connection connection is to export 2nV voltage, and therefore not to repeat here.
Please join shown in Figure 19-20, for the utility model battery pack 200 conductive terminal with equipped with the high pressure male plug part that docks
240 electric tool is (not shown) with the situation for merging output 4nV voltage.High pressure male plug part includes five high pressures being independently arranged
Male plug piece 241,242,243,244,245, five high pressure male plug pieces 241,242,243,244,245 are mounted on pedestal (not shown)
On.Wherein, high pressure male plug piece 241 includes contact arm 2411 and the voltage output portion 2412 connecting with contact arm 2411, contact arm
2411 and 218 grafting of the 4th negative terminal.High pressure male plug piece 245 includes contact arm 2451 and the voltage connecting with contact arm 2451
Output section 2452,211 grafting of contact arm 2451 and the first positive terminal.High pressure male plug piece 242 includes contact arm 2421,2422 and
Connect contact arm 2421,2422 interconnecting piece 2423, contact arm 2421,2422 respectively with the 4th positive terminal 217, third cathode
216 grafting of terminal.High pressure male plug piece 243 includes contact arm 2431,2432 and the interconnecting piece for connecting contact arm 2431,2432
2433, contact arm 2431,2432 respectively with third positive terminal 215,214 grafting of the second negative terminal.High pressure male plug piece 244 wraps
It includes contact arm 2441,2442 and connects the interconnecting piece 2443 of contact arm 2441,2442, contact arm 2441,2442 is respectively with second
Positive terminal 213,212 grafting of the first negative terminal.When socket 210 and high pressure male plug part 240 are mating, it please join shown in Fig. 4,
Four groups of battery cores are connected in series to export 4nV voltage.
In conclusion the utility model by by the identical battery core of four groups of voltages by electrode terminal respectively with low pressure male plug
Part, middle pressure male plug part and high pressure male plug part cooperate grafting, so that four groups of battery cores output low pressure parallel with one another, four groups of battery cores
It is pressed in parallel output after connecting or connect two-by-two after parallel connection two-by-two or four groups of battery cores is serially connected output high pressure.So set, same
Power for three kinds of electric tools with different rated operational voltages to one battery pack property of can choose, it is easy to operate,
Use cost reduces.
Above embodiments are merely to illustrate the utility model and not limit technical solution described in the utility model, right
The understanding of this specification should be based on person of ordinary skill in the field, although this specification is referring to the above embodiments
Detailed description is had been carried out to the utility model, it will be appreciated, however, by one skilled in the art that the skill of technical field
Art personnel still can be modified or replaced equivalently the utility model, and all do not depart from the utility model spirit and
The technical solution and its improvement of range, should all cover in the scope of the claims of the utility model.
Claims (11)
1. a kind of battery pack, it is characterised in that: the positive and negative anodes one including the identical battery core of four groups of voltages and with four groups of battery cores
The electrode terminal of a pair of of electrotropism connection, the electrode terminal are arranged independently of one another；When battery pack and external plug assembly carry out
Four groups of battery cores described in when grafting both participate in work, and three kinds of voltages are selectively exported by way of combining in series and parallel.
2. battery pack according to claim 1, it is characterised in that: eight electrode terminals are arranged in two rows, outside
Four electrode terminals of side are the electrode terminal of wherein two groups of battery cores, and the anode and cathode terminals of same group of battery core are in diagonal relationships
Arrangement；Remaining four electrode terminals are the electrode terminal of other two groups of battery cores, and the anode and cathode terminals of same group of battery core are also in pair
The arrangement of linea angulata relationship.
3. battery pack according to claim 2, it is characterised in that: be followed successively by the 4th negative pole end positioned at the electrode terminal of upper row
Son, the second negative terminal, third positive terminal and the first positive terminal, are followed successively by the first negative pole end positioned at the electrode terminal of lower row
Son, third negative terminal, the second positive terminal and the 4th positive terminal.
4. battery pack according to claim 1, it is characterised in that: eight electrode terminals of four groups of battery cores are linearly arranged
Column are followed successively by the 4th negative terminal, third negative terminal, the second negative terminal, the first negative terminal, the second positive terminal, the
Three positive terminals, the 4th positive terminal and the first positive terminal.
5. a kind of electric tool system, it is characterised in that: the electric tool system include in claim 1-4 any right want
The battery pack is sought, the electric tool system is equipped with the male plug part cooperated with the battery pack, the male plug part and institute
Electrode terminal cooperation is stated to export one of three kinds of voltage to the electric tool system.
6. electric tool system according to claim 5, it is characterised in that: the male plug part includes at least the first male plug piece
With the second male plug piece, the first male plug piece and the second male plug on piece are respectively provided with voltage output portion, when the male plug part and battery
When packet cooperation is to export low pressure, the first male plug piece connects the identical electrode terminal of four polarity, and the second male plug piece connects
Connect remaining identical electrode terminal of four polarity, the pole of the electrode terminal connecting with the first male plug piece and the second male plug piece
Property is on the contrary, four groups of battery cores are in parallel connection.
7. electric tool system according to claim 5, it is characterised in that: the male plug part includes at least the first male plug
Piece, the second male plug piece and third male plug piece, the first male plug piece and the second male plug on piece are respectively provided with voltage output portion, work as institute
When stating male plug part and battery pack and cooperating to press in exporting, two polarity of the first male plug piece connection wherein two groups of battery cores are identical
Electrode terminal, the second male plug piece connects identical two electrode terminals of polarity of other two groups of battery cores, and described first is public
The polarity for the electrode terminal that the polarity of the electrode terminal of inserted sheet connection is connect with the second male plug piece is on the contrary, the third male plug
Piece connects remaining not connected electrode terminal.
8. electric tool system according to claim 5, it is characterised in that: the male plug part includes at least the first male plug
Piece, the second male plug piece, third male plug piece and the 4th male plug piece, the first male plug piece and the second male plug on piece are respectively provided with voltage
Output section, when the male plug part and battery pack cooperate to press in exporting, the first male plug piece connection wherein two groups of battery cores
The identical electrode terminal of two polarity, the second male plug piece connect identical two electrode terminals of other two groups of battery core polarity,
The polarity for the electrode terminal that the polarity of the electrode terminal of the first male plug piece connection is connect with the second male plug piece is on the contrary, institute
It states third male plug piece and the 4th male plug piece is separately connected the different electrode terminal of remaining not connected polarity.
9. electric tool system according to claim 5, it is characterised in that: include at least the first male plug on the male plug part
Piece, the second male plug piece, third male plug piece, the 4th male plug piece, the 5th male plug piece, the first male plug piece and the second male plug on piece point
Not She You voltage output portion, the first male plug piece and the second male plug piece polarity with first group of battery core and second group of battery core respectively
Different electrode terminal connection, the electrode terminal and the 4th group of battery core that first group of battery core is not connected with by the third male plug piece
Electrode terminal connection, the 4th male plug piece by the 4th group of battery core be not connected with electrode terminal and third group battery core electrode tip
Son connection, the not connected electrode terminal of the electrode terminal and second group of battery core that third group battery core is not connected with by the 5th male plug piece
Connection, the polarity of two electrode terminals connecting respectively with third male plug piece, the 4th male plug piece and the 5th male plug piece is different,
So that battery core is connected in series between each other to export high pressure.
10. according to electric tool system described in any one of claim 6-9 claim, it is characterised in that: the electricity
Extreme son is arranged in two rows.
11. according to electric tool system described in any one of claim 6-9 claim, it is characterised in that: the electricity
Extreme son is in single setting.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822146711.6U CN209200052U (en) | 2018-12-20 | 2018-12-20 | Battery pack and electric tool system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822146711.6U CN209200052U (en) | 2018-12-20 | 2018-12-20 | Battery pack and electric tool system |
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| CN209200052U true CN209200052U (en) | 2019-08-02 |
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| CN201822146711.6U Active CN209200052U (en) | 2018-12-20 | 2018-12-20 | Battery pack and electric tool system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473616A (en) * | 2018-12-20 | 2019-03-15 | 常州格力博有限公司 | Battery pack and electric tool system |
| WO2020125211A1 (en) * | 2018-12-20 | 2020-06-25 | 常州格力博有限公司 | Electric energy storage device and electric tool system |
| CN111816820A (en) * | 2020-08-04 | 2020-10-23 | 格力博(江苏)股份有限公司 | Battery pack, tool system and charging system |
-
2018
- 2018-12-20 CN CN201822146711.6U patent/CN209200052U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473616A (en) * | 2018-12-20 | 2019-03-15 | 常州格力博有限公司 | Battery pack and electric tool system |
| WO2020125211A1 (en) * | 2018-12-20 | 2020-06-25 | 常州格力博有限公司 | Electric energy storage device and electric tool system |
| CN109473616B (en) * | 2018-12-20 | 2024-07-16 | 格力博(江苏)股份有限公司 | Battery pack and electric tool system |
| CN111816820A (en) * | 2020-08-04 | 2020-10-23 | 格力博(江苏)股份有限公司 | Battery pack, tool system and charging system |
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