CN207504590U - A kind of battery pack combined system and with its electric tool - Google Patents
A kind of battery pack combined system and with its electric tool Download PDFInfo
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- CN207504590U CN207504590U CN201721229038.1U CN201721229038U CN207504590U CN 207504590 U CN207504590 U CN 207504590U CN 201721229038 U CN201721229038 U CN 201721229038U CN 207504590 U CN207504590 U CN 207504590U
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- battery pack
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Abstract
The utility model provides a kind of battery pack combined system, for electric tool, including：Several battery units, the battery unit include the battery case of a receiving battery pack；Detection unit, the detection unit is detecting the parameters of the battery pack；Series connection output circuit, the series connection output circuit include series connection main line and series connection cathode output end and series connection cathode output end positioned at the series connection main line both ends；It is in series on the series connection main line and the one-to-one switch unit of the battery case；When having battery pack in the battery case, the switch unit disconnects；When there is no battery pack in the battery case, the switch unit conducting.Compared to the prior art, the utility model battery pack combined system can combine the battery pack of different electric tools, so as to expand the use scope of different battery packs, reduce demand of the user to power type, thereby reduce the use cost of user.
Description
Technical field
The utility model is related to a kind of battery pack combined system and with the battery pack combined system electric tool.
Background technology
Lithium battery with advantages such as specific capacity height, the low, energy conservation and environmental protections of self-discharge rate due to being widely used in electric tool
On, such as：The garden instruments such as grass trimmer, grass-mowing machine, pruner.At present, general domestic consumer usually can possess a variety of electronic
Tool, each electric tool can all be configured respective charger and battery pack, so can then lead to the battery variety in family
It is various, it is difficult in maintenance.Also, since the cell voltage of each electric tool is not quite similar, the battery of different electric tools
Packet can not be general.When in addition a kind of battery pack damage of electric tool cannot be in use, it is generally necessary to purchase same size
Battery pack.
In view of the above problems, it is necessary to a kind of new battery pack combined system is provided, to solve the above problems.
Utility model content
In view of the deficiencies of the prior art, the utility model solve the technical issues of be to provide a kind of battery pack combined system and
Electric tool with the battery pack combined system, the battery pack combined system can be by the battery packages of different electric tools
It closes, so as to expand the use scope of different battery packs, reduces demand of the user to power type, thereby reduce making for user
Use cost.
In order to solve the above technical problems, what the technical solution of the utility model was realized in：
A kind of battery pack combined system, for electric tool, including：Several battery units, the battery unit include one
Accommodate the battery case of battery pack；Detection unit, the detection unit is detecting the parameters of the battery pack；Series connection output
Circuit, the series connection output circuit include series connection main line and the series connection cathode output end positioned at the series connection main line both ends
With series connection cathode output end；It is in series on the series connection main line and the one-to-one switch unit of the battery case；When described
When having battery pack in battery case, the switch unit disconnects；When there is no battery pack in the battery case, the switch unit
Conducting.
Further, the detection unit includes detecting the position detection unit whether in the battery case with battery pack
And detect the micro-control unit of the parameters of battery pack in the battery case；Described in being detected when the position detection unit
There is no battery pack in battery case, the micro-control unit controls are connected with the corresponding switch unit of the battery case；When institute's rheme
Put detection unit detect in the battery case have battery pack when, the micro-control unit controls and the battery case are corresponding
Switch unit disconnects.
Further, the switch unit is single knife switch or field-effect tube or electromagnetic relay switch.
Further, the battery pack combined system also has main control unit and photoelectric coupling unit for promoting inhibition；The micro-control
Unit processed carries out information exchange by the photoelectric coupling unit for promoting inhibition and the main control unit.
Further, the series connection cathode output end is provided with protector；When the micro-control unit detects battery pack
During abnormal parameters, the main control unit will control the protector to disconnect, the electric tool, battery pack to be protected to combine
System.
Further, the battery pack combined system also has Parallel opertation circuit and switch unit；The switch unit
It is connected with the electrode, series connection output circuit, Parallel opertation circuit of the battery case in the battery unit, so that the battery
Unit can switch between series connection output state and Parallel opertation state.
Further, the switch unit is double control switch, the moved end of the double control switch and the electrode of the battery case
It is electrically connected, two non-moving ends of the double control switch are connected respectively with series connection output circuit, Parallel opertation circuit；It is described simultaneously
Join output circuit and include anode output circuit in parallel and cathode output circuit in parallel；The anode of the battery case passes through described double
Control switch is connect with the anode output circuit in parallel, and the cathode of the battery case in parallel is born by the double control switch with described
Pole output circuit connection.
Further, the cathode output circuit in parallel is provided with protector；When the micro-control unit detects battery
During bag parameter exception, the main control unit will control the protector to disconnect, to protect the electric tool, battery package
Collaboration is united.
Further, the protector is Metal-Oxide Semiconductor field-effect tube.
A kind of electric tool, including aforementioned battery pack combined system.
The beneficial effects of the utility model are：Compared to the prior art, the utility model battery pack combined system can incite somebody to action
The battery pack combination of different electric tools, so as to expand the use scope of different battery packs, reduces user to power type
Demand thereby reduces the use cost of user.
Description of the drawings
Fig. 1 show the structure diagram of the utility model battery pack combined system.
Fig. 2 show the structure diagram of another embodiment of the utility model battery pack combined system.
Specific embodiment
It is new to this practicality below in conjunction with the accompanying drawings in order to make the purpose of this utility model, technical solution and advantage clearer
The specific embodiment of type is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.In attached drawing
The embodiment of the utility model that is shown and describing with reference to the accompanying drawings is only exemplary, and the utility model is not limited to
These embodiments.
Here, it should also be noted that, in order to avoid because having obscured the utility model during unnecessary details, in the accompanying drawings
The structure and/or processing step closely related with the embodiment of the utility model are illustrate only, and is omitted and the utility model
The little other details of relationship.
In addition, it should also be noted that, term " comprising ", "comprising" or its any other variant be intended to it is non-exclusive
Property include so that process, method, article or equipment including a series of elements 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.
Refering to Figure 1, the utility model battery pack combined system 100 includes：Several battery units 10, detection unit
20th, series connection output circuit 30, Parallel opertation circuit 40, switch unit 50 and main control unit 60.The switch unit 50 with
Electrode, series connection output circuit 30, the Parallel opertation circuit 40 of battery case in the battery unit 10 are connected, so that described
Battery unit 10 can switch between series connection output state and Parallel opertation state.
Refering to Figure 1, the battery unit 10 has the battery case (not shown) of a receiving battery pack.The detection
Unit 20 to detect be located at the battery case in battery pack parameters, such as：Temperature, voltage, electric current, pressure etc..
The detection unit 20 is included detecting in the battery case with the presence or absence of described in the position detection unit 21 of battery pack and detection
The micro-control unit 22 of the parameters of battery pack in battery case.It is described series connection output circuit 30 include series connection main line 31 with
And series connection cathode output end 32 and series connection cathode output end 33 positioned at 31 both ends of the series connection main line.The series connection main line
Switch unit 311 one-to-one with the battery case is in series on 31.When the position detection unit 21 detects the electricity
When not having battery pack in the slot of pond, the switch unit 311 is connected so that aforementioned battery case is by 311 short circuit of switch unit；When
When the position detection unit 21 detects to have battery pack in the battery case, the switch unit 311 disconnects so that aforementioned
Battery case is connected in the series connection output circuit 30.In the present embodiment, the switch unit 311 is single knife switch, still
In other embodiments, the switch unit 311 can be field-effect tube, such as：Metal-Oxide Semiconductor field-effect tube；
The switch unit 311 can also be and be switched made of electromagnetic relay, as shown in Fig. 2, the main control unit 60 at this time
The electromagnetic relay switch is controlled to disconnect or be connected.The series connection cathode output end 33 is provided with protector 331, the protection
Device 331 is Metal-Oxide Semiconductor field-effect tube or other electronic components that can cut off circuit.The Parallel opertation electricity
Road 40 includes anode output circuit 41 in parallel and cathode output circuit 42 in parallel.The anode of the battery case passes through the switch
Unit 50 is connect with the anode output circuit 41 in parallel, the cathode of the battery case by the switch unit 50 with it is described simultaneously
Connection cathode output circuit 42 connects.Protector 421 is provided on the parallel connection cathode output circuit 42, the protector 421 is
Metal-Oxide Semiconductor field-effect tube or other electronic components that can cut off circuit.The switch unit 50 is dual control
Switch, moved end and the electrode of the battery case in the battery unit 10 are electrically connected, and two non-moving ends are connected respectively with described
Output circuit 30, Parallel opertation circuit 40 are connected.Certainly, in other embodiments, the switch unit 50 can also be field
Effect pipe, such as：Metal-Oxide Semiconductor field-effect tube.The main control unit 60 passes through photoelectric coupling unit for promoting inhibition 61 and institute
It states micro-control unit 22 and carries out information exchange.When the micro-control unit 22 detects battery pack abnormal parameters, the micro-control
Exception information is passed to the main control unit 60, the main control unit by unit 22 processed by the photoelectric coupling unit for promoting inhibition 61
The 60 control protectors 331 or 421 end, to protect the battery pack combined system 100 and be combined using the battery pack
The electric tool of system 100.
When the utility model battery pack combined system 100 is worked with series model, the switch unit 50 be closed so that
The series connection output circuit 30 is obtained to connect with the battery unit 10.When the position detection unit 21 detects the battery case
It is interior have battery pack when, then switch unit 311 corresponding with aforementioned battery case disconnects；When the position detection unit 21 detects
When not having battery pack in the battery case, then switch unit 311 corresponding with aforementioned battery case is connected.At this point, the string
Connection cathode output end 32, series connection cathode output end 33 export the series voltage of all battery packs, so that the battery pack can
For the higher electric tool of voltage, and then improve the utilization rate of the battery pack of different electric tools.
When the utility model battery pack combined system 100 is worked with paralleling model, the switch unit 50 be closed so that
It obtains the Parallel opertation circuit 40 to connect with the battery unit 10, at this time the parallel connection anode output circuit 41, cathode in parallel
42 output-parallel electric current of output circuit, to increase output power.
The utility model further discloses a kind of electric tool, and the electric tool has the battery pack combined system 100.
Compared to the prior art, the utility model battery pack combined system 100 can be by the battery pack of different electric tools
Combination, so as to expand the use scope of different battery packs, reduces demand of the user to power type, thereby reduces user's
Use cost.
In particular, for those of ordinary skill in the art, made under the introduction of the utility model
For the equivalence changes of the utility model, should be included in the range that present utility model application the scope of the claims is advocated.
Claims (10)
1. a kind of battery pack combined system, for electric tool, which is characterized in that including：
Several battery units, the battery unit include the battery case of a receiving battery pack；
Detection unit, the detection unit is detecting the parameters of the battery pack；
Series connection output circuit, the series connection output circuit include series connection main line and the string positioned at the series connection main line both ends
Join cathode output end and series connection cathode output end；It is in series on the series connection main line and switches correspondingly with the battery case
Unit；
When having battery pack in the battery case, the switch unit disconnects；When there is no battery pack in the battery case, institute
State switch unit conducting.
2. battery pack combined system as described in claim 1, it is characterised in that：The detection unit includes detecting the battery
Whether there is the microcontroller of the parameters of battery pack in the position detection unit of battery pack and the detection battery case in slot
Unit；When the position detection unit detects do not have battery pack in the battery case, the micro-control unit controls and the electricity
The corresponding switch unit conducting of pond slot；When the position detection unit detects to have battery pack in the battery case, institute
Micro-control unit controls are stated to disconnect with the corresponding switch unit of the battery case.
3. battery pack combined system as described in claim 1, it is characterised in that：The switch unit is imitated for single knife switch or field
It should manage or electromagnetic relay switch.
4. battery pack combined system as claimed in claim 2, it is characterised in that：The battery pack combined system also has master control
Unit and photoelectric coupling unit for promoting inhibition processed；The micro-control unit is carried out by the photoelectric coupling unit for promoting inhibition and the main control unit
Information exchange.
5. battery pack combined system as claimed in claim 4, it is characterised in that：The series connection cathode output end is provided with protection
Device；When the micro-control unit detects battery pack abnormal parameters, the main control unit will control the protector to break
It opens, to protect the electric tool, battery pack combined system.
6. battery pack combined system as claimed in claim 4, it is characterised in that：The battery pack combined system also has parallel connection
Output circuit and switch unit；The electrode of the switch unit and the battery case in the battery unit, output circuit of connecting, simultaneously
Connection output circuit is connected, so that the battery unit can switch between series connection output state and Parallel opertation state.
7. battery pack combined system as claimed in claim 6, it is characterised in that：The switch unit is double control switch, described
The electrode of the moved end of double control switch and the battery case is electrically connected, two non-moving ends of the double control switch respectively with connect it is defeated
Go out circuit, Parallel opertation circuit is connected；The Parallel opertation circuit includes anode output circuit in parallel and cathode in parallel is defeated
Go out circuit；The anode of the battery case is connect by the double control switch with the anode output circuit in parallel, the battery case
Cathode connect by the double control switch with the cathode output circuit in parallel.
8. battery pack combined system as claimed in claim 7, it is characterised in that：The parallel connection cathode output circuit is provided with guarantor
Protect device；When the micro-control unit detects battery pack abnormal parameters, the main control unit will control the protector
It disconnects, to protect the electric tool, battery pack combined system.
9. the battery pack combined system as described in claim 5 or 8, it is characterised in that：The protector is metal-oxide half
Conductor field-effect tube.
10. a kind of electric tool, it is characterised in that：The electric tool includes the electricity described in any one in claim 1 to 9
Pond packet combined system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721229038.1U CN207504590U (en) | 2017-09-21 | 2017-09-21 | A kind of battery pack combined system and with its electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721229038.1U CN207504590U (en) | 2017-09-21 | 2017-09-21 | A kind of battery pack combined system and with its electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504590U true CN207504590U (en) | 2018-06-15 |
Family
ID=62498625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721229038.1U Active CN207504590U (en) | 2017-09-21 | 2017-09-21 | A kind of battery pack combined system and with its electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207504590U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638915A (en) * | 2018-12-22 | 2019-04-16 | 北京汉能光伏投资有限公司 | A kind of charge/discharge control method and device |
| CN112202212A (en) * | 2019-07-08 | 2021-01-08 | 苏州宝时得电动工具有限公司 | Control circuit of electric tool |
| US20210313662A1 (en) * | 2018-12-20 | 2021-10-07 | Globe (jiangsu) Co., Ltd. | Electric energy storage device and electric tool system |
-
2017
- 2017-09-21 CN CN201721229038.1U patent/CN207504590U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210313662A1 (en) * | 2018-12-20 | 2021-10-07 | Globe (jiangsu) Co., Ltd. | Electric energy storage device and electric tool system |
| CN109638915A (en) * | 2018-12-22 | 2019-04-16 | 北京汉能光伏投资有限公司 | A kind of charge/discharge control method and device |
| CN112202212A (en) * | 2019-07-08 | 2021-01-08 | 苏州宝时得电动工具有限公司 | Control circuit of electric tool |
| WO2021003941A1 (en) * | 2019-07-08 | 2021-01-14 | 苏州宝时得电动工具有限公司 | Control circuit of power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.65-1 Xinggang Road, Zhonglou Economic Development Zone, Changzhou City, Jiangsu Province Patentee after: Gelibo (Jiangsu) Co., Ltd Address before: 213023 Jiangsu city in Changzhou Province Economic Development Zone Xingang Zhonglou District Tower Road No. 65 Patentee before: CHANGZHOU GLOBE Co.,Ltd. |
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| CP03 | Change of name, title or address |