CN111916580A - Battery pack system for improving transportation safety - Google Patents
Battery pack system for improving transportation safety Download PDFInfo
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- CN111916580A CN111916580A CN201910377669.5A CN201910377669A CN111916580A CN 111916580 A CN111916580 A CN 111916580A CN 201910377669 A CN201910377669 A CN 201910377669A CN 111916580 A CN111916580 A CN 111916580A
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Abstract
The invention discloses a battery pack system for improving transportation safety, which comprises a shell, wherein a plurality of battery packs which are arranged independently are arranged in the shell, the output ends of the battery packs are electrically connected with a pin assembly, the battery pack system also comprises a conversion assembly arranged on the whole electric tool, the conversion assembly is connected with the pin assembly, the battery packs are switched between a first state and a second state, the battery packs are connected in series in the first state, the battery packs are connected in parallel in the second state, and the battery packs are not connected in parallel and are arranged independently, so that the total capacity of the battery pack is lower than the international limit standard during transportation.
Description
Technical Field
The invention belongs to the technical field of battery packs, and particularly relates to a battery pack system for improving transportation safety.
Background
Conventional rechargeable batteries contain a lithium battery cell. Based on the chemistry of lithium battery packs, the united states and many other countries and international organizations, including united nations, have established special regulations for lithium battery transportation. If the lithium battery or lithium battery pack exceeds the specified limits, shipping such a pack incurs significant expense and shipping costs. Likewise, the watt-hour level of the battery is expressly limited to below 100 Wh. Today, various types of lithium batteries have substantially exceeded this limit. As battery charge and capacity increase, the situation where battery technology parameters exceed relevant regulatory limits will become more prevalent. Therefore, it is necessary to ensure that the battery pack does not exceed the limits of the relevant regulations.
Disclosure of Invention
The invention aims to provide a battery pack system for improving transportation safety, and overcomes the defects that the electric quantity and the capacity of a battery are increased and the technical parameters of the battery exceed the relevant regulation and limitation in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the battery pack system comprises a shell, wherein a plurality of battery packs which are mutually independent are arranged in the shell, the output end of each battery pack is electrically connected with a pin assembly, the battery pack system also comprises a conversion assembly arranged on the whole electric tool, the conversion assembly is connected with the pin assembly, the battery packs are switched between a first state and a second state, the first state is the series connection among the battery packs, and the second state is the parallel connection among the battery packs.
In the initial state, the battery packs are not connected in any way and are arranged independently, so that the capacity of the battery pack does not exceed the limit range.
Preferably, the capacity of the individual battery packs is below international limits during transport. Specifically, the capacity of a single battery pack is below 100 Wh.
Preferably, the battery pack comprises a first battery pack and a second battery pack, wherein the anode of the first battery pack is connected with a first anode pin, the anode of the second battery pack is connected with a second anode pin, the cathode of the first battery pack is connected with a first cathode pin, the cathode of the second battery pack is connected with a second cathode pin, and the first anode pin, the second anode pin, the first cathode pin and the second cathode pin form the pin assembly;
preferably, the conversion assembly comprises a first electric connection sheet and a second electric connection sheet which are connected to the first fixing plate, the first electric connection sheet is electrically connected with the first positive electrode pin and the second positive electrode pin, the second electric connection sheet is electrically connected with the first negative electrode pin and the second negative electrode pin, and the first electric connection sheet and the second electric connection sheet are electrically connected with the motor.
Preferably, the conversion subassembly is including connecting at the second fixed plate, be provided with the third electricity that is connected each other electrically and connect the piece and the fourth electricity on the second fixed plate, first anodal round pin and the second negative pole round pin are connected respectively to the third electricity connect the piece and the fourth electricity connect the piece, still include the fifth electricity connect the piece and the sixth electricity connect the piece, the second anodal round pin and the first negative pole round pin are connected respectively to the fifth electricity connect the piece and the sixth electricity connect the piece electricity and connect the motor, the fifth electricity connect the piece and the sixth electricity connect the piece electricity.
Preferably, the third and fourth electrical connection pads are electrically connected by a PCB board,
preferably, the battery pack comprises a third battery pack, a fourth battery pack and a fifth battery pack, wherein the anode of the third battery pack is connected with a third anode pin, the anode of the fourth battery pack is connected with a fourth anode pin, the anode of the fifth battery pack is connected with a fifth anode pin, the cathode of the third battery pack is connected with a third cathode pin, the cathode of the fourth battery pack is connected with a fourth cathode pin, the cathode of the fifth battery pack is connected with a fifth cathode pin, and the third anode pin, the fourth anode pin, the fifth anode pin, the third cathode pin, the fourth cathode pin and the fifth cathode pin form the pin assembly.
Preferably, the conversion assembly comprises a seventh electric connection sheet and an eighth electric connection sheet which are connected to the third fixing plate, the seventh electric connection sheet is electrically connected with the third positive electrode pin, the fourth positive electrode pin and the fifth positive electrode pin, the eighth electric connection sheet is electrically connected with the third negative electrode pin, the fourth negative electrode pin and the fifth negative electrode pin, and the seventh electric connection sheet and the eighth electric connection sheet are electrically connected with the motor.
Preferably, the conversion assembly comprises a fourth fixing plate, the fourth fixing plate is provided with a ninth electric connecting sheet and a tenth electric connecting sheet which are electrically connected with each other, an eleventh electric connecting sheet and a twelfth electric connecting sheet which are electrically connected with each other, the ninth electric connecting sheet and the tenth electric connecting sheet are electrically connected with a fourth positive pin and a third negative pin respectively, the eleventh electric connecting sheet and the twelfth electric connecting sheet are electrically connected with a fifth positive pin and a fourth negative pin respectively, the conversion assembly further comprises a thirteenth electric connecting sheet and a fourteenth electric connecting sheet, the thirteenth electric connecting sheet and the fourteenth electric connecting sheet are electrically connected with a third positive pin and a fifth negative pin respectively, and the thirteenth electric connecting sheet and the fourteenth electric connecting sheet are electrically connected with the motor.
Preferably, the ninth electric connecting sheet and the tenth electric connecting sheet are electrically connected through a PCB board, and the eleventh electric connecting sheet and the twelfth electric connecting sheet are electrically connected through a PCB board.
Compared with the prior art, the invention has the beneficial effects that:
in the initial state of the application, the battery packs are not connected in any mode and are arranged independently, so that the capacity of a single battery pack is lower than the international limit standard during transportation.
Drawings
Fig. 1 is a schematic diagram of a split structure in a first state according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of the conversion assembly of FIG. 1;
FIG. 3 is a schematic diagram of a split structure in a second state according to embodiment 1 of the present invention;
FIG. 4 is a schematic structural diagram of the conversion assembly of FIG. 3;
FIG. 5 is a schematic diagram of a split structure in a first state according to embodiment 2 of the present invention;
FIG. 6 is a schematic diagram of a split structure in a second state according to embodiment 2 of the present invention;
fig. 7 is a schematic structural diagram of the conversion assembly in fig. 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 4, a battery pack system for improving transportation safety includes a housing 6, a plurality of battery packs arranged independently are arranged in the housing 6, output ends of the battery packs are electrically connected to a pin assembly, and the battery pack system further includes a switching assembly arranged on the whole electric tool, the switching assembly is connected to the pin assembly, and switches between a first state and a second state between the battery packs, the first state is that the battery packs are connected in series, and the second state is that the battery packs are connected in parallel.
In the initial state, the battery packs are not connected in any way and are arranged independently, so that the capacity of the battery pack does not exceed the limit range.
The capacity of the individual battery packs during transport is below the international limit standard. Specifically, the capacity of a single battery pack is below 100 Wh.
The battery pack comprises a first battery pack and a second battery pack, wherein the anode of the first battery pack is connected with a first anode pin 1, the anode of the second battery pack is connected with a second anode pin 2, the cathode of the first battery pack is connected with a first cathode pin 3, the cathode of the second battery pack is connected with a second cathode pin 4, and the first anode pin 1, the second anode pin 2, the first cathode pin 3 and the second cathode pin 4 form the pin assembly;
when the first state, the conversion assembly comprises a first electric connection sheet 7 and a second electric connection sheet 8 which are connected to the first fixing plate 5, the first electric connection sheet 7 is electrically connected with a first positive electrode pin and a second positive electrode pin, the second electric connection sheet 8 is electrically connected with a first negative electrode pin and a second negative electrode pin, and the first electric connection sheet and the second electric connection sheet are electrically connected with a motor.
During the second state, the conversion subassembly is including connecting at second fixed plate 9 (not marking on the picture), be provided with the third electricity that is connected each other electrically and connect piece 10 and fourth electricity connection piece 11 on the second fixed plate, first anodal round pin and second negative pole round pin are connected respectively to third electricity connection piece and fourth electricity connection piece, still include fifth electricity connection piece 12 and sixth electricity connection piece 13, second anodal round pin and first negative pole round pin are connected respectively to fifth electricity connection piece and sixth electricity connection piece, and fifth electricity connection piece and sixth electricity connection piece electricity connecting machine.
The third and fourth electrical connection pads are electrically connected through the PCB board 14,
example 2
As shown in fig. 5-7, the battery pack comprises a third battery pack, a fourth battery pack and a fifth battery pack, wherein the anode of the third battery pack is connected with a third anode pin 15, the anode of the fourth battery pack is connected with a fourth anode pin 16, the anode of the fifth battery pack is connected with a fifth anode pin 17, the cathode of the third battery pack is connected with a third cathode pin 18, the cathode of the fourth battery pack is connected with a fourth cathode pin 19, the cathode of the fifth battery pack is connected with a fifth cathode pin 20, and the third anode pin, the fourth anode pin, the fifth anode pin, the third cathode pin, the fourth cathode pin and the fifth cathode pin form the pin assembly.
In the first state, the conversion assembly comprises a seventh electric connection sheet 22 and an eighth electric connection sheet 23 which are connected to the third fixing plate 21, the seventh electric connection sheet 22 is electrically connected to the third positive electrode pin, the fourth positive electrode pin and the fifth positive electrode pin, the eighth electric connection sheet 23 is electrically connected to the third negative electrode pin, the fourth negative electrode pin and the fifth negative electrode pin, and the seventh electric connection sheet and the eighth electric connection sheet are electrically connected to the motor.
In a second state, the conversion assembly comprises a ninth electric connection sheet 25 and a tenth electric connection sheet 26 which are connected to each other and are arranged on the fourth fixing plate 24, an eleventh electric connection sheet 27 and a twelfth electric connection sheet 28 which are connected to each other electrically, the ninth electric connection sheet 25 and the tenth electric connection sheet 26 are respectively connected to the fourth positive pin and the third negative pin electrically, the eleventh electric connection sheet 27 and the twelfth electric connection sheet 28 are respectively connected to the fifth positive pin and the fourth negative pin electrically, the conversion assembly further comprises a thirteenth electric connection sheet 29 and a fourteenth electric connection sheet 30, the thirteenth electric connection sheet and the fourteenth electric connection sheet are respectively connected to the third positive pin and the fifth negative pin electrically, and the thirteenth electric connection sheet and the fourteenth electric connection sheet are electrically connected to the motor.
The ninth electric connecting sheet and the tenth electric connecting sheet are electrically connected through a PCB, and the eleventh electric connecting sheet and the twelfth electric connecting sheet are electrically connected through the PCB.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that various changes, modifications, equivalents, and improvements can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a promote safe battery package system of transportation which characterized in that: the electric tool comprises a shell, wherein a plurality of battery packs which are independent from each other are arranged in the shell, the output end of each battery pack is electrically connected with a pin assembly, the electric tool also comprises a conversion assembly arranged on the whole electric tool, the conversion assembly is connected with the pin assembly, the battery packs are switched between a first state and a second state, the first state is that the battery packs are connected in series, and the second state is that the battery packs are connected in parallel.
2. The battery pack system for improving transportation safety of claim 1, wherein: the battery pack comprises a first battery pack and a second battery pack, wherein the anode of the first battery pack is connected with a first anode pin, the anode of the second battery pack is connected with a second anode pin, the cathode of the first battery pack is connected with a first cathode pin, the cathode of the second battery pack is connected with a second cathode pin, and the first anode pin, the second anode pin, the first cathode pin and the second cathode pin form the pin assembly.
3. The battery pack system for improving transportation safety of claim 2, wherein: the conversion assembly comprises a first electric connection sheet and a second electric connection sheet which are connected to the first fixing plate, the first electric connection sheet is electrically connected with a first positive electrode pin and a second positive electrode pin, the second electric connection sheet is electrically connected with a first negative electrode pin and a second negative electrode pin, and the first electric connection sheet and the second electric connection sheet are electrically connected with the motor.
4. The battery pack system for improving transportation safety of claim 2, wherein: the conversion subassembly is including connecting at the second fixed plate, be provided with the third electricity connection piece and the fourth electricity connection piece of mutual electric connection on the second fixed plate, first anodal round pin and the second negative pole round pin are connected respectively to the third electricity connection piece and the fourth electricity connection piece, still include fifth electricity connection piece and sixth electricity connection piece, the second anodal round pin and the first negative pole round pin are connected respectively to the fifth electricity connection piece and the sixth electricity connection piece, and fifth electricity connection piece and sixth electricity connection piece electricity connecting motor.
5. The battery pack system for improving transportation safety of claim 4, wherein: the third electric connection sheet and the fourth electric connection sheet are electrically connected through a PCB, and the fifth electric connection sheet and the sixth electric connection sheet are electrically connected through the PCB.
6. The battery pack system for improving transportation safety of claim 1, wherein: the battery pack comprises a third battery pack, a fourth battery pack and a fifth battery pack, wherein the anode of the third battery pack is connected with a third anode pin, the anode of the fourth battery pack is connected with a fourth anode pin, the anode of the fifth battery pack is connected with a fifth anode pin, the cathode of the third battery pack is connected with a third cathode pin, the cathode of the fourth battery pack is connected with a fourth cathode pin, the cathode of the fifth battery pack is connected with a fifth cathode pin, and the third anode pin, the fourth anode pin, the fifth anode pin, the third cathode pin, the fourth cathode pin and the fifth cathode pin form the pin assembly.
7. The battery pack system for improving transportation safety of claim 6, wherein: the conversion assembly comprises a seventh electric connection sheet and an eighth electric connection sheet which are connected to the third fixing plate, the seventh electric connection sheet is electrically connected with the third positive electrode pin, the fourth positive electrode pin and the fifth positive electrode pin, the eighth electric connection sheet is electrically connected with the third negative electrode pin, the fourth negative electrode pin and the fifth negative electrode pin, and the seventh electric connection sheet and the eighth electric connection sheet are electrically connected with the motor.
8. The battery pack system for improving transportation safety of claim 6, wherein: the conversion component comprises a fourth fixing plate, a ninth electric connecting sheet and a tenth electric connecting sheet which are electrically connected with each other are arranged on the fourth fixing plate, an eleventh electric connecting sheet and a twelfth electric connecting sheet which are electrically connected with each other are arranged on the fourth fixing plate, the ninth electric connecting sheet and the tenth electric connecting sheet are respectively electrically connected with a fourth positive pin and a third negative pin, the eleventh electric connecting sheet and the twelfth electric connecting sheet are respectively electrically connected with a fifth positive pin and a fourth negative pin, the conversion component further comprises a thirteenth electric connecting sheet and a fourteenth electric connecting sheet, the thirteenth electric connecting sheet and the fourteenth electric connecting sheet are respectively electrically connected with a third positive pin and a fifth negative pin, and the thirteenth electric connecting sheet and the fourteenth electric connecting sheet are electrically connected with a motor.
9. The battery pack system for improving transportation safety of claim 8, wherein: the ninth electric connecting sheet and the tenth electric connecting sheet are electrically connected through a PCB, and the eleventh electric connecting sheet and the twelfth electric connecting sheet are electrically connected through the PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377669.5A CN111916580A (en) | 2019-05-08 | 2019-05-08 | Battery pack system for improving transportation safety |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910377669.5A CN111916580A (en) | 2019-05-08 | 2019-05-08 | Battery pack system for improving transportation safety |
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| Publication Number | Publication Date |
|---|---|
| CN111916580A true CN111916580A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910377669.5A Pending CN111916580A (en) | 2019-05-08 | 2019-05-08 | Battery pack system for improving transportation safety |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137935A (en) * | 2013-03-13 | 2013-06-05 | 江苏华富储能新技术股份有限公司 | Conversion device for mutually converting serial connection and parallel connection among monomers or modules in battery pack |
| CN203933110U (en) * | 2014-06-18 | 2014-11-05 | 张涛 | A kind of series-parallel transition circuit and charging device |
| JP2018073663A (en) * | 2016-10-31 | 2018-05-10 | 日立工機株式会社 | Battery pack |
| CN207489984U (en) * | 2017-11-25 | 2018-06-12 | 宁波中鹏锂能源科技有限公司 | A kind of battery-powered device |
| CN109360928A (en) * | 2018-11-30 | 2019-02-19 | 常州格力博有限公司 | Battery pack and tool system |
-
2019
- 2019-05-08 CN CN201910377669.5A patent/CN111916580A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103137935A (en) * | 2013-03-13 | 2013-06-05 | 江苏华富储能新技术股份有限公司 | Conversion device for mutually converting serial connection and parallel connection among monomers or modules in battery pack |
| CN203933110U (en) * | 2014-06-18 | 2014-11-05 | 张涛 | A kind of series-parallel transition circuit and charging device |
| JP2018073663A (en) * | 2016-10-31 | 2018-05-10 | 日立工機株式会社 | Battery pack |
| CN207489984U (en) * | 2017-11-25 | 2018-06-12 | 宁波中鹏锂能源科技有限公司 | A kind of battery-powered device |
| CN109360928A (en) * | 2018-11-30 | 2019-02-19 | 常州格力博有限公司 | Battery pack and tool system |
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