CN106654131A - Electric tool system - Google Patents

Electric tool system Download PDF

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Publication number
CN106654131A
CN106654131A CN201611007698.5A CN201611007698A CN106654131A CN 106654131 A CN106654131 A CN 106654131A CN 201611007698 A CN201611007698 A CN 201611007698A CN 106654131 A CN106654131 A CN 106654131A
Authority
CN
China
Prior art keywords
pole
positive
negative
battery bag
inserted terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611007698.5A
Other languages
Chinese (zh)
Inventor
陆传洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING JIUCHI ELECTROMECHANICAL INDUSTRY Co Ltd
Original Assignee
NANJING JIUCHI ELECTROMECHANICAL INDUSTRY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANJING JIUCHI ELECTROMECHANICAL INDUSTRY Co Ltd filed Critical NANJING JIUCHI ELECTROMECHANICAL INDUSTRY Co Ltd
Priority to CN201611007698.5A priority Critical patent/CN106654131A/en
Publication of CN106654131A publication Critical patent/CN106654131A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention relates to an electric tool system, and belongs to the technical field of an electric tool. The electric tool system comprises a first low-voltage power tool, a second high-voltage power tool, and a battery pack; the battery pack at least comprises a battery string which is formed by at least two groups of series battery units; the two ends of each battery string are electrically connected with a positive output pole and a negative output pole corresponding to an inserting-connecting end; each inserting-connecting end of the first power tool and the second power tool is provided with an external inserting end of a positive input pole and a negative input pole corresponding to the positive output pole and the negative output pole at the inserting-connecting end of the battery pack, and an internal connecting end with a power supply positive electrode and a power supply negative electrode separately; and the positive input poles and the negative input poles of the external inserting ends are connected in parallel or in series, and then are electrically connected with the power supply positive electrode and the power supply negative electrode at the internal connecting end. By adoption of the electric tool system, the inserting-connecting parts of the battery pack and the electric tools both can be standardized without requiring switch switching, so that higher safety and reliability and cost economy are realized.

Description

A kind of electric tool system
Technical field
The present invention relates to a kind of electric tool system, especially a kind of electric tool and battery bag adapter combination, belong to electricity Power driven tools technical field.
Background technology
In recent years, electric tool quickly grows towards high-power, many specification directions, not only direct current electric power tools have it is brushless with There is dividing for brush, rated voltage covers low pressure(17-20V), middle pressure(51-60V), high pressure(100-120V), and have also appeared The electric tool of AC/DC.
In order to adapt to this development, a kind of power tool of the U.S. Patent Publication Document of Patent No. US9406015B2 System, including the first power tool --- the first power tool with nominal low-voltage;Second power tool --- with being higher than The second power tool pressed in low-voltage rated;3rd power tool --- with the 3rd power work higher than middle pressure rated high voltage Tool;
The battery bag of low pressure first --- with the battery bag of low pressure first corresponding to the first electric tool nominal low-voltage, conversion battery Bag --- can arrange with first and second arranges the conversion battery bag for being manipulated, under the facilities of here first, convertible electricity Chi Bao has the first conversion battery bag rated voltage corresponding to the first power tool rated voltage;Under the second facilities, Switchable battery bag has the second conversion battery bag rated voltage corresponding to the second power tool rated voltage;First battery bag Can be adapted to the first power tool enables it to operate, and conversion battery bag can arrange to be adapted to the first power tool with first makes it Operated, conversion battery bag can arrange to be adapted to the second power tool with second enables it to operate, and one group of conversion electricity Chi Bao can be adapted to its second setting with the 3rd power tool enables it to operate.
In addition, a kind of battery bag of the U.S. Patent Application Publication of Publication No. US2016/0126533A1, including:One shell Body;Multiple stack battery units in housing, have a positive pole and a negative pole per Battery pack unit;One group is prolonged from housing The battery bag terminal for stretching out;The first terminal extended from housing in one battery bag terminal group, is adapted to an electric device, and Electrically connect with the positive pole of the first Battery pack unit;The Second terminal extended from housing in one battery bag terminal group, with the electricity Dynamic device adaptation, and electrically connect with the positive pole of the second Battery pack unit;Extended from housing in one battery bag terminal group Three terminals, are adapted to the electric device, and electrically connect with the negative pole of the first Battery pack unit;From housing in one battery bag terminal group On the forth terminal extended, be adapted to the electric device, and electrically connect with the negative pole of the second Battery pack unit;So that first Battery pack unit and the second Battery pack unit mutually insulated.
Though technical scheme disclosed in above-mentioned patent document can solve to meet asking for many specifications and high-power output demand Topic, it is but perfect due to being improved from battery bag side, thus not only make the versatility of battery bag not good enough, but also because battery pack it is each Need between terminal by switch device switches, easy false triggering is less reliable, exist after Long-Time Service failure possibility and Security risk.
The content of the invention
It is an object of the invention to:For the shortcoming that above-mentioned prior art is present, propose that one kind is obtained using universal battery bag Difference voltages and safe and reliable electric tool system needed for obtaining.
It is to include to reach one of object above, basic technical scheme of the present invention:
First power tool, it has nominal low voltage, and first power tool has the first Plug Division;
Second power tool, it has a specified high voltage higher than the nominal low voltage, and second power tool has the Two Plug Divisions;
Battery bag, the battery bag has inserted terminal, the battery that the battery bag is at least constituted containing two groups of series-connected cell units String, respectively positive output pole corresponding with the inserted terminal is arranged on and negative output pole electrically connect at the two ends of each battery strings;
With end is connect in the first outer spigot and first, the first outer spigot contains and battery bag inserted terminal for first Plug Division Corresponding positive input pole and negative input pole are distinguished in positive output pole and negative output pole, and the described first interior end that connects has positive source and electricity Source negative pole;After the extremely parallel connection of each positive input pole of the first outer spigot and each negative input respectively with first in connect the positive source at end With power cathode electrical connection;
With end is connect in the second outer spigot and second, the second outer spigot contains and battery bag inserted terminal for second Plug Division Corresponding positive input pole and negative input pole are distinguished in positive output pole and negative output pole, and the described second interior end that connects has positive source and electricity Source negative pole;Each positive input pole and each negative input pole of the second outer spigot sequentially connect after two ends respectively with second in connect end Positive source and power cathode are electrically connected.
The two of the basic technical scheme of the present invention are to include:
First power tool, it has nominal low voltage, and first power tool has the first Plug Division;
Second power tool, it has a specified high voltage higher than the nominal low voltage, and second power tool has the Two Plug Divisions;
Battery bag, the battery bag has inserted terminal, the battery that the battery bag is at least constituted containing two groups of series-connected cell units String, respectively positive output pole corresponding with the inserted terminal is arranged on and negative output pole electrically connect at the two ends of each battery strings;
It is characterized in that:Also include the low pressure adapter with Plug Division on the first lower inlaying grafting part and first and insert with second time The high-voltage adapter of Plug Division in socket part and second;
The inserted terminal of first lower inlaying grafting part and battery bag matches, and with battery bag inserted terminal positive output pole and negative output Distinguish first time inserted terminal of corresponding positive input pole and negative input pole in pole;Plug Division and the first power work on described first First Plug Division of tool matches, and with inserted terminal on containing positive source and power cathode first;First time inserted terminal Each positive input pole and each negative input extremely parallel connection after electrically connect with the positive source and power cathode of inserted terminal on first respectively;
The inserted terminal of second lower inlaying grafting part and battery bag matches, and with battery bag inserted terminal positive output pole and negative output Distinguish second time inserted terminal of corresponding positive input pole and negative input pole in pole;Plug Division and the second power work on described second Second Plug Division of tool matches, and with end is patched on containing positive source and power cathode second, end is patched under described second Each positive input pole and each negative input pole sequentially connect after two ends respectively with second on patch the positive source and power cathode at end Electrical connection.
After technical scheme, the Plug Division of battery bag and electric tool can standardize, as long as electric The outer spigot of power driven tools Plug Division and interior connecing adopt as one sees fit between end required electric connection mode, you can obtain from general battery bag Different rated voltages are taken, due to switching without the need for switch, therefore safety and reliability, and cost economy.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention is further illustrated.
Fig. 1 is the electric tool system block diagram of the embodiment of the present invention one.
Fig. 2 is the electric tool dimensional structure diagram of Fig. 1 embodiments.
Fig. 3 is the battery pack structure schematic diagram being directly adapted to electric tool shown in Fig. 2.
Fig. 4 removes the structural representation after upper lid for Fig. 3.
Fig. 5 is the inside dimensional structure diagram of battery bag shown in Fig. 3.
Fig. 6 is that Fig. 3 battery bags and low-voltage-powered instrument patch dimensional structure diagram.
Fig. 7 is that Fig. 3 battery bags and high voltage power instrument patch dimensional structure diagram.
Fig. 8 is the electric tool dimensional structure diagram of the embodiment of the present invention two.
Fig. 9 is the electric tool system block diagram of Fig. 8 embodiments.
Specific embodiment
Embodiment one
The electric tool system of the present embodiment is as shown in figure 1, including the low-voltage-powered instrument with nominal low voltage and with volume Fixed high-tension high voltage power instrument, needs same battery bag E to provide corresponding low-voltage and high voltage respectively.Two power tools Basic structure as shown in Fig. 2 there is Plug Division CJ ' in the bottom of its lever B.Battery bag E for matching therewith such as Fig. 3, Fig. 4 With shown in Fig. 5, with inserted terminal CJ, battery bag be contained within the three Battery pack string e1 that five one group of series-connected cell units constitute, e2, E3, the two ends of each battery strings respectively by sheet metal positive output pole jack strip terminal B1+ corresponding with inserted terminal CJ is arranged on, B2+, B3+ and jack strip terminal B1-, B2-, B3- electrical connection of negative output pole.Positive output pole jack strip terminal B1+, B2+, B3 + isosceles triangle is distributed three signal sockets and negative output pole jack strip terminal B1-, B2-, B3- between.
The outer spigot WC ' of power tool Plug Division CJ ' has and battery bag E inserted terminal positive output pole jack strip terminal B1 +, B2+, B3+ and negative output pole jack strip terminal B1-, B2-, B3- distinguish corresponding three positive input pole plug zc and three Negative input pole plug fc, meets end NJ ' and has positive source e+ and power cathode e- in it.Three positive input poles of outer spigot WC ' Isosceles triangle is distributed three Signal plug x between plug zc and three negative input pole plug fc.
The difference of two power tools is, low-voltage-powered instrument as shown in fig. 6, each positive input pole of its outer spigot WC ' and Each negative input pole by internal wiring parallel connection after respectively with connect it in hold NJ ' positive source e+ and power cathode e- electrically connect. And high voltage power instrument is then as shown in fig. 7, each positive input pole and each negative input pole of its outer spigot WC ' pass through internal wiring sequentially Two ends electrically connect respectively with positive source e+ and power cathode e- that end NJ ' is met in it after series connection.
The electric tool system of the present embodiment has the advantage that:Many specifications and big can be met using normal cell bag The demand of power output, different power tools can obtain each required rated voltage from universal battery bag, and need not borrow Switch device switches are helped, it is more safe and reliable, and cost economy.
Embodiment two
The electric tool system of the present embodiment include as shown in Figure 8 and Figure 9, also the low-voltage-powered instrument with nominal low voltage and With specified high-tension high voltage power instrument, same battery bag E is needed to provide corresponding low-voltage and high voltage respectively.It is different Part is also to include low pressure adapter and high-voltage adapter S.The adapter have respectively with corresponding power tool Plug Division and Battery bag patch end match upper interpolating unit SC and lower inserting part XC, lower inserting part XC have with battery bag E inserted terminal positive output pole and bear Output stage distinguishes the lower spigot of corresponding positive input pole and negative input pole, and upper interpolating unit SC has containing positive source and power cathode Upper spigot;Under low pressure adapter after the extremely parallel connection of each positive input pole of spigot and each negative input respectively with the positive source of upper spigot and Power cathode is electrically connected;And after each positive input pole and each negative input pole of spigot are sequentially connected under high-voltage adapter two ends respectively with The positive source of upper spigot and power cathode are electrically connected.So, it is also possible to realize and the essentially identical function of embodiment one, and fit New universal battery bag is adopted in original power tool.
In addition to the implementation, the present invention can also have other embodiment.All employing equivalents or equivalent transformation shape Into technical scheme, all fall within the protection domain of application claims.

Claims (5)

1. a kind of electric tool system, including:
First power tool, it has nominal low voltage, and first power tool has the first Plug Division;
Second power tool, it has a specified high voltage higher than the nominal low voltage, and second power tool has the Two Plug Divisions;
Battery bag, the battery bag has inserted terminal, the battery that the battery bag is at least constituted containing two groups of series-connected cell units String, respectively positive output pole corresponding with the inserted terminal is arranged on and negative output pole electrically connect at the two ends of each battery strings;
It is characterized in that:
With end is connect in the first outer spigot and first, the first outer spigot contains and battery bag inserted terminal for first Plug Division Corresponding positive input pole and negative input pole are distinguished in positive output pole and negative output pole, and the described first interior end that connects has positive source and electricity Source negative pole;After the extremely parallel connection of each positive input pole of the first outer spigot and each negative input respectively with first in connect the positive source at end With power cathode electrical connection;
With end is connect in the second outer spigot and second, the second outer spigot contains and battery bag inserted terminal for second Plug Division Corresponding positive input pole and negative input pole are distinguished in positive output pole and negative output pole, and the described second interior end that connects has positive source and electricity Source negative pole;Each positive input pole and each negative input pole of the second outer spigot sequentially connect after two ends respectively with second in connect end Positive source and power cathode are electrically connected.
2. electric tool system according to claim 1, it is characterised in that:The two ends of the battery strings pass through respectively metal Piece positive output pole jack strip terminal corresponding with inserted terminal is arranged on and the jack strip terminal electrical connection of negative output pole.
3. electric tool system according to claim 2, it is characterised in that:The outer spigot tool of the power tool Plug Division There is positive input pole corresponding with battery bag inserted terminal positive output pole jack strip terminal and negative output pole jack strip terminal difference Plug and negative input pole plug.
4. electric tool system according to claim 3, it is characterised in that:The positive output pole jack strip terminal and negative Distribution signal socket between output stage jack strip terminal, between the positive input pole plug and negative input pole plug of the outer spigot Distribution signal plug.
5. a kind of electric tool system, including:
First power tool, it has nominal low voltage, and first power tool has the first Plug Division;
Second power tool, it has a specified high voltage higher than the nominal low voltage, and second power tool has the Two Plug Divisions;
Battery bag, the battery bag has inserted terminal, the battery that the battery bag is at least constituted containing two groups of series-connected cell units String, respectively positive output pole corresponding with the inserted terminal is arranged on and negative output pole electrically connect at the two ends of each battery strings;
It is characterized in that:Also include the low pressure adapter with Plug Division on the first lower inlaying grafting part and first and insert with second time The high-voltage adapter of Plug Division in socket part and second;
The inserted terminal of first lower inlaying grafting part and battery bag matches, and with battery bag inserted terminal positive output pole and negative output Distinguish first time inserted terminal of corresponding positive input pole and negative input pole in pole;Plug Division and the first power work on described first First Plug Division of tool matches, and with inserted terminal on containing positive source and power cathode first;First time inserted terminal Each positive input pole and each negative input extremely parallel connection after electrically connect with the positive source and power cathode of inserted terminal on first respectively;
The inserted terminal of second lower inlaying grafting part and battery bag matches, and with battery bag inserted terminal positive output pole and negative output Distinguish second time inserted terminal of corresponding positive input pole and negative input pole in pole;Plug Division and the second power work on described second Second Plug Division of tool matches, and with end is patched on containing positive source and power cathode second, end is patched under described second Each positive input pole and each negative input pole sequentially connect after two ends respectively with second on patch the positive source and power cathode at end Electrical connection.
CN201611007698.5A 2016-11-16 2016-11-16 Electric tool system Pending CN106654131A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611007698.5A CN106654131A (en) 2016-11-16 2016-11-16 Electric tool system

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Application Number Priority Date Filing Date Title
CN201611007698.5A CN106654131A (en) 2016-11-16 2016-11-16 Electric tool system

Publications (1)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107910490A (en) * 2017-12-07 2018-04-13 正阳实业投资有限公司 DC tools and adaptive battery bag
CN109066237A (en) * 2018-08-21 2018-12-21 常州格力博有限公司 Electric tool and its system
CN109301145A (en) * 2018-11-27 2019-02-01 常州格力博有限公司 Battery pack and electric tool system
CN109860443A (en) * 2017-11-30 2019-06-07 南京德朔实业有限公司 A kind of battery pack assembly
WO2020133576A1 (en) * 2018-12-29 2020-07-02 浙江鼎能电气有限公司 Multi-voltage output general-purpose battery pack
CN111371151A (en) * 2020-04-15 2020-07-03 宁波市天铭工具有限公司 Battery converter of electric tool
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
EP3836299A1 (en) * 2019-12-12 2021-06-16 Globe (Jiangsu) Co., Ltd. Adapter and power tool system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050280393A1 (en) * 2004-06-22 2005-12-22 Feldmann William M Tool with battery pack
CN101924379A (en) * 2010-04-12 2010-12-22 常州格力博工具有限公司 Battery pack and combination of battery pack and electric device
CN102812612A (en) * 2010-02-12 2012-12-05 株式会社牧田 Electric tool powered by a plurality of battery packs and adapter therefor
CN103124089A (en) * 2011-11-18 2013-05-29 株式会社牧田 Battery adapter
WO2015179318A1 (en) * 2014-05-18 2015-11-26 Black & Decker Inc. Power tool system
US20160126533A1 (en) * 2014-05-18 2016-05-05 Black & Decker Inc. Transport System for Convertible Battery Pack

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050280393A1 (en) * 2004-06-22 2005-12-22 Feldmann William M Tool with battery pack
CN102812612A (en) * 2010-02-12 2012-12-05 株式会社牧田 Electric tool powered by a plurality of battery packs and adapter therefor
CN101924379A (en) * 2010-04-12 2010-12-22 常州格力博工具有限公司 Battery pack and combination of battery pack and electric device
CN103124089A (en) * 2011-11-18 2013-05-29 株式会社牧田 Battery adapter
WO2015179318A1 (en) * 2014-05-18 2015-11-26 Black & Decker Inc. Power tool system
US20160126533A1 (en) * 2014-05-18 2016-05-05 Black & Decker Inc. Transport System for Convertible Battery Pack

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109860443A (en) * 2017-11-30 2019-06-07 南京德朔实业有限公司 A kind of battery pack assembly
CN107910490A (en) * 2017-12-07 2018-04-13 正阳实业投资有限公司 DC tools and adaptive battery bag
CN109066237A (en) * 2018-08-21 2018-12-21 常州格力博有限公司 Electric tool and its system
CN109301145A (en) * 2018-11-27 2019-02-01 常州格力博有限公司 Battery pack and electric tool system
CN109301145B (en) * 2018-11-27 2024-04-16 格力博(江苏)股份有限公司 Battery pack and electric tool system
WO2020133576A1 (en) * 2018-12-29 2020-07-02 浙江鼎能电气有限公司 Multi-voltage output general-purpose battery pack
EP3836299A1 (en) * 2019-12-12 2021-06-16 Globe (Jiangsu) Co., Ltd. Adapter and power tool system
US11679488B2 (en) 2019-12-12 2023-06-20 Globe (Jiangsu) Co., Ltd Adapter and power tool system
CN111371151A (en) * 2020-04-15 2020-07-03 宁波市天铭工具有限公司 Battery converter of electric tool
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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