CN109360929A - Apparatus for storing electrical energy and electric tool - Google Patents
Apparatus for storing electrical energy and electric tool Download PDFInfo
- Publication number
- CN109360929A CN109360929A CN201811564074.2A CN201811564074A CN109360929A CN 109360929 A CN109360929 A CN 109360929A CN 201811564074 A CN201811564074 A CN 201811564074A CN 109360929 A CN109360929 A CN 109360929A
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- storing electrical
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- 230000001276 controlling effect Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 9
- 241000538562 Banjos Species 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 28
- 238000009413 insulation Methods 0.000 description 21
- 230000013011 mating Effects 0.000 description 12
- 230000006872 improvement Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0445—Multimode batteries, e.g. containing auxiliary cells or electrodes switchable in parallel or series connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention provides a kind of apparatus for storing electrical energy, including the equal energy unit of N number of voltage, it is possible to provide at least three kinds of output voltages.N is to close number, and N number of energy unit is divided into several energy unit modules, each energy unit module has control unit in module.In the initial state, the energy unit in the same energy unit module is connected in parallel by control unit in module.By using different plug and the apparatus for storing electrical energy grafting so that its output at least one of three kinds of output voltages voltage is to the electric tool for using the apparatus for storing electrical energy.So set, increasing the scope of application of apparatus for storing electrical energy, use cost is reduced.
Description
Technical field
The present invention relates to power tools technology field more particularly to a kind of apparatus for storing electrical energy and use electric energy storage dress
The electric tool set.
Background technique
In graden machine, power tool industry, electric tool usually has a specified operating voltage, that is, different electricity
The complete machine of flattening bench needs the battery pack of different voltages platform to provide power, it is thus desirable to prepare different battery packs with suitable
Electric tool with different rated operational voltages, increases use cost, causes the wasting of resources.
In view of this, it is necessary to design a kind of improved apparatus for storing electrical energy and the electronic work using the apparatus for storing electrical energy
Tool, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of apparatus for storing electrical energy for being capable of providing at least three kinds output voltages and uses
The electric tool of the apparatus for storing electrical energy.
For achieving the above object, the present invention provides a kind of apparatus for storing electrical energy, including the equal energy of N number of voltage
Unit, it is possible to provide at least three kinds of output voltages;The N is to close number, and N number of energy unit is divided into several energy units
Module, each energy unit module have control unit in module;In the initial state, control unit will be same in the module
Energy unit in energy unit module is connected in parallel.
As a further improvement of the present invention, the positive and negative electrode of each energy unit module is correspondingly connected with a pair of of electricity
Output terminal is pressed, the output voltage terminals and banjo are inserted by several between several described energy unit modules
It connects and is connected in series or is connected in parallel to realize.
As a further improvement of the present invention, the apparatus for storing electrical energy, which also has, is set to several described energy unit moulds
Intermodule control unit between block;In the initial state, the intermodule control unit incites somebody to action several described energy unit modules simultaneously
Connection connection, so that several described energy units are connected in parallel.
As a further improvement of the present invention, the apparatus for storing electrical energy has with several described energy unit modules simultaneously
Connection or after being connected in series it is total just, two output voltage terminals that always negative electrode is correspondingly connected with.
As a further improvement of the present invention, the N is four;Four energy units are divided into two energy unit moulds
Block, control unit includes a normal open switch and two normally closed switch in the module;The normally closed switch and the normal open switch
It include two contact portions being connect with the electrode of energy unit;Two contact portions of two normally closed switch respectively with difference
The identical electrode connection of the polarity of energy unit, the polarity for controlling two energy units in same energy unit module are identical
Electrode connection disconnects;Two contact portions of the normal open switch are opposite with wherein one group of polarity of different-energy unit respectively
Electrode connection, control different-energy unit in same energy unit module opposite polarity electrode disconnect or connection, institute
Two energy units stated in a normal open switch and the same energy unit module of two normally closed switch co- controllings are in parallel connection
Or state is connected in series.
As a further improvement of the present invention, the N is four;Four energy units are divided into two energy unit moulds
Block, control unit and the intermodule control unit include a normal open switch and two normally closed switch in the module;It is described normal
Make and break is closed and the normal open switch includes two contact portions connecting with the electrode of energy unit;Control unit in the module
Electrode identical with the polarity of different-energy unit is connect two contact portions of two normally closed switch respectively, controls same energy
It measures the identical electrode connection of polarity of two energy units in unit module or disconnects;Control unit is described in the module
Two contact portions of normal open switch are connect with wherein one group of opposite polarity electrode of different-energy unit respectively, control same energy
The opposite polarity electrode for measuring different-energy unit in unit module is disconnected or is connected, and one of control unit is normal in the module
Two energy units in switch and the same energy unit module of two normally closed switch co- controllings are in parallel or in series
Connection status.
As a further improvement of the present invention, two contact portions of two normally closed switch of the intermodule control unit
Electrode identical with the polarity of different-energy unit module is connect respectively, controls the identical electricity of polarity of two energy unit modules
Pole connection disconnects;Two contact portions of the normal open switch of the intermodule control unit respectively with different-energy unit mould
Wherein one group of opposite polarity electrode connection, the opposite polarity electrode of control different-energy unit module of block disconnect or connect
It connects, a normal open switch of the intermodule control unit and two normally closed switch co- controllings, two energy unit modules are in simultaneously
State is connected in series in connection.
As a further improvement of the present invention, the N is six;Six energy units are divided into two energy unit moulds
Block, control unit includes two normal open switch and four normally closed switch in the module;The normally closed switch and the normal open switch
It include two contact portions being connect with the electrode of energy unit;Two contact portions of four normally closed switch respectively with difference
The identical electrode connection of the polarity of energy unit, the polarity for controlling the different-energy unit in same energy unit module are identical
Electrode connection disconnects;Two contact portions of two normal open switch respectively with the opposite polarity electricity of different-energy unit
Pole connection, the opposite polarity electrode for controlling different-energy unit in same energy unit module disconnects or connection, the mould
Three energy lists in block in two normal open switch of control unit and the same energy unit module of four normally closed switch co- controllings
Member is in connection status in parallel or in series.
As a further improvement of the present invention, in the initial state, described two normal open switch and four normally closed switch are total
It is connected in parallel with three energy units controlled in the same energy unit module.
For achieving the above object, the present invention also provides a kind of electric tool, the electric tool uses aforementioned skill
Apparatus for storing electrical energy described in any technical solution in art scheme.
The beneficial effects of the present invention are: apparatus for storing electrical energy of the present invention includes the equal energy unit of N number of voltage, N is to close
Number, N number of energy unit are divided into several energy unit modules, each energy unit module has control unit in module,
In the initial state, the energy unit in the same energy unit module is connected in parallel by control unit in module.By using not
With plug and the apparatus for storing electrical energy grafting so that its output at least one of three kinds of output voltages voltage to using the electricity
The electric tool of energy storage device.So set, increasing the scope of application of apparatus for storing electrical energy, use cost is reduced.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the N number of energy unit in inside of the embodiment one of apparatus for storing electrical energy of the present invention.
The circuit diagram when apparatus for storing electrical energy and low voltage plug that Fig. 2 is embodiment one cooperate.
The circuit diagram when apparatus for storing electrical energy and middle pressure plug that Fig. 3 is embodiment one cooperate.
Fig. 4 is the apparatus for storing electrical energy of embodiment one and the effect diagram of high-voltage plug cooperation.
The circuit diagram when apparatus for storing electrical energy and high-voltage plug that Fig. 5 is embodiment one cooperate.
Fig. 6 is the circuit connection diagram of the N number of energy unit in inside of the embodiment two of apparatus for storing electrical energy of the present invention.
The circuit diagram when apparatus for storing electrical energy and low voltage plug that Fig. 7 is embodiment two cooperate.
Fig. 8 is the apparatus for storing electrical energy of embodiment two and the effect diagram of middle pressure plug cooperation.
The circuit diagram when apparatus for storing electrical energy and middle pressure plug that Fig. 9 is embodiment two cooperate.
Figure 10 is the apparatus for storing electrical energy of embodiment two and the effect diagram of high-voltage plug cooperation.
Figure 11 is the structural schematic diagram of Figure 10 mesohigh plug.
The structural schematic diagram when apparatus for storing electrical energy and high-voltage plug that Figure 12 is embodiment two cooperate.
The circuit diagram when apparatus for storing electrical energy and high-voltage plug that Figure 13 is embodiment two cooperate.
Figure 14 is the connection schematic diagram of the N number of energy unit in inside of the embodiment three of apparatus for storing electrical energy of the present invention.
The circuit diagram when apparatus for storing electrical energy and low voltage plug that Figure 15 is embodiment three cooperate.
Figure 16 is the circuit diagram in embodiment three in apparatus for storing electrical energy and first when the cooperation of pressure plug.
Figure 17 is the circuit diagram of pressure plug cooperation in apparatus for storing electrical energy and second in embodiment three.
Figure 18 is the circuit diagram in embodiment three in apparatus for storing electrical energy and second when the cooperation of pressure plug.
Figure 19 is the circuit diagram of apparatus for storing electrical energy and high-voltage plug cooperation in embodiment three.
Figure 20 is circuit diagram when apparatus for storing electrical energy and high-voltage plug cooperate in embodiment three.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
Here, it should also be noted that, in order to avoid having obscured the present invention because of unnecessary details, in the accompanying drawings only
Show the structure and/or processing step closely related with the solution of the present invention, and be omitted with relationship of the present invention less its
His details.
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 refers to shown in Fig. 1 to Figure 20, the present invention provides a kind of apparatus for storing electrical energy comprising N number of voltage is equal
Energy unit, energy unit refer to the object for being capable of providing electric energy, such as battery core, lithium battery or other energy carriers, certainly,
It can also electrically combine multiple batteries to be formed as an energy unit;The battery include but be not limited to lithium battery,
The rechargeable batteries such as nickel-metal hydride battery, ickel-cadmium cell.The voltage rating of the energy unit is nV.Wherein, N is to close number, closes number and refers to
In addition to that by 1 and itself can divide exactly outer in natural number, moreover it is possible to the number divided exactly (except 0) by other numbers.The smallest conjunction number is four.It is N number of
Energy unit is divided into M energy unit module, has control unit in module in each energy unit module;In initial shape
Under state, N/M energy unit in the same energy unit module is connected in parallel by control unit in module.It should be noted that
The measurement voltage of each energy unit is that n ± 5%V can be considered equal.
By using different plugs and the apparatus for storing electrical energy grafting to change the N/M in the same energy unit module
Connection status between the connection status and different-energy unit module of a energy unit, so that N number of energy unit is in all
Be connected in parallel, be all connected in series, the energy unit in same energy unit module is connected in series, different-energy unit module it
Between be connected in parallel or same energy unit module in energy unit be connected in parallel, connect between different-energy unit module
One of connection status is to export available at least one of the three kinds of voltage voltage of apparatus for storing electrical energy to using the electricity
The electric tool of energy storage device.Under different connection status, N number of energy unit is electrically connected with electric tool.
It please refers to shown in Fig. 1 to Fig. 5, in example 1, apparatus for storing electrical energy includes the identical energy list of four voltages
Member, voltage are nV;Four energy units are divided into two energy unit modules, respectively energy unit module 10a and energy
Measure unit module 20a;It include two energy being connected in parallel in the same energy unit module in the socket of apparatus for storing electrical energy
Control unit and four output voltage terminals being correspondingly connected with the positive and negative electrodes of two energy unit modules in the module of unit,
It is respectively as follows: output voltage terminals 101a, the 102a and and energy unit being correspondingly connected with the positive and negative electrode of energy unit module 10a
Output voltage terminals 201a, 202a that the positive and negative electrode of module 20a is correspondingly connected with.
Specifically, control unit includes two normal open switch and four normally closed switch, each energy unit mould in module
A normal open switch 30a and two normally closed switch 41a, 42a are correspondingly provided in block with by two in same energy unit module
Energy unit is connected in parallel;In the present embodiment, normal open switch 30a, two normally closed switch 41a, 42a include two and energy
Unit electrode connection contact portion (not labeled), two contact portions of normally closed switch 41a, 42a respectively with same energy list
The polarity of different-energy unit identical electrode connection in element module, such as: two contact portions of normally closed switch 41a respectively with difference
The cathode of energy unit is connected, two contact portions of normally closed switch 42a respectively with different-energy list in same energy unit module
The anode of member is connected;Two contact portions of normal open switch 30a pole with different-energy unit in same energy unit module respectively
Property opposite electrode connection, to realize two energy units for being connected in parallel same energy unit module.That is, in original state
Under, two energy units in same energy unit module are connected in parallel.
It should be noted that normally closed switch refers in the initial state, two contact portion is in contact condition with reality
The electrode being now electrically connected with two contact portions is in connection status, and the electrical property for changing two contact portions can be acted on by foreign object
Connection status makes two contact portions be switched to off-state from contact condition, for example, normally closed terminal;Normal open switch refers to first
Under beginning state, two contact portion is in an off state to realize that the electrode being electrically connected with two contact portions is in and disconnect shape
State, and the electric connection state for changing two contact portions can be acted on by foreign object, it is switched to two contact portions from off-state
Connection status, for example, normally opened terminal.Certainly, normal open switch is not limited to as normally opened terminal, and normally closed switch is also not necessarily limited to be normally closed
Terminal can be realized the embodiment of identical function in the protection scope of the invention.
Fig. 2 and as shown in connection with fig. 1 is please referred to, the electric tool that operating voltage is nV has low voltage plug (not shown), low
Pressure plug has two connection sheets for being connected in parallel the identical output voltage terminals of polarity in four output voltage terminals.Work as low pressure
When plug and socket cooperate, a connection sheet connection output voltage terminals 101a and output voltage terminals 201a, another connection
Piece connects output voltage terminals 102a and output voltage terminals 202a, makes two energy unit wired in parallel connections, such as Fig. 2 institute
Show.
That is, two energy units in same energy unit module pass through when low voltage plug and apparatus for storing electrical energy cooperate
Control unit holding is connected in parallel in module, is connected respectively polarity phase by two connection sheets between two energy unit modules
Same output voltage terminals are connected in parallel with realizing, so that four energy units are connected in parallel, it is electronic to this to export low pressure nV
Tool.
Fig. 3 and as shown in connection with fig. 1 is please referred to, the electric tool that operating voltage is 2nV has middle pressure plug (not shown), in
The voltage output for pressing plug to have the polarity of wherein one group of different-energy unit module in four output voltage terminals of connection different
Output voltage terminals 101a connect with 202a or connects output voltage terminals 201a and 102a by the connection sheet of terminal, connection sheet
It connects;When pressure plug and socket are mating in the middle, the wherein pole of one group of different-energy unit module in four output voltage terminals
Property different output voltage terminals be connected so that two energy unit block coupled in series connections, the connection circuit of four energy units
As shown in Figure 3.
That is, two energy units in same energy unit module pass through when middle pressure plug and apparatus for storing electrical energy cooperate
Control unit holding is connected in parallel in module, is realized and is connected in series by connection sheet between two energy unit modules, so that two
The connection of energy unit block coupled in series.The shunt voltage of same energy unit module is nV, two energy unit block coupled in series connections
Voltage be 2nV, that is, two energy units in same energy unit module are connected in parallel, between two energy unit modules
It is connected in series, with pressure 2nV in output to the electric tool.
It please refers to shown in Fig. 4 to Fig. 5, the electric tool that operating voltage is 4nV has high-voltage plug, is arranged on high-voltage plug
There are insulation division 51a, conductive part 61a and the interconnecting piece (not shown) of two energy unit modules is connected in series.When high-voltage plug with
When socket is mating, insulation division 51a is contacted with two contact portions of normally closed switch 41a, 42a, conductive part 61a and normal open switch
Two contact portions of 30a contact so that the opposite polarity electrode of the different-energy unit in the same energy unit module from
Off-state is switched to connection status, and the identical electrode of polarity of the different-energy unit in the same energy unit module is from even
The state of connecing is switched to off-state, that is, two energy units in the same energy unit module are connected in series, and series voltage is
2nV, interconnecting piece is by the wherein different voltage output end of the polarity of one group of different-energy unit module in four output voltage terminals
Son is connected so that two energy unit block coupled in series connections, the connection circuit diagram of four energy units is as shown in figure 5, make four
Energy unit is connected in series to export high pressure 4nV to the electric tool.
That is, when the electric tool that operating voltage is 4nV uses the apparatus for storing electrical energy, control unit in high-voltage plug and module
Cooperation will be switched to series connection from being connected in parallel between the energy unit in the same energy unit module, and pass through connection
Two energy unit modules are connected in series in portion, so that four energy units in apparatus for storing electrical energy are connected in series, export high pressure
4nV is to the electric tool.
In other embodiments, apparatus for storing electrical energy also has the intermodule control for being connected in parallel M energy unit module
Portion processed and after being connect with M energy unit wired in parallel it is total just, two output voltage terminals that always negative electrode is correspondingly connected with,
That is, in the initial state, N number of energy unit in apparatus for storing electrical energy, which is in, is connected in parallel state.
It please refers to shown in Fig. 6 to Figure 11, in example 2, apparatus for storing electrical energy includes the equal energy list of four voltages
Member, voltage are nV;Four energy units are divided into two energy unit modules, respectively energy unit module 10b and energy
Measure unit module 20b;It include two energy being connected in parallel in the same energy unit module in the socket of apparatus for storing electrical energy
Control unit in the module of unit, the intermodule control unit for being connected in parallel two energy unit modules and with two energy unit moulds
Block be connected in parallel after positive and negative electrode two output voltage terminals 301b, 302b being correspondingly connected with.
Specifically, control unit includes two normal open switch and four normally closed switch, each energy unit mould in module
A normal open switch 30b and two normally closed switch 41b, 42b are correspondingly provided in block with by two in same energy unit module
Energy unit is connected in parallel;The structure of control unit and its company with two energy units in same energy unit module in module
The relationship of connecing is the same as example 1, and details are not described herein.
Intermodule control unit is specifically described below: in the present embodiment, intermodule control unit includes one normally opened
Switch 31b and two normally closed switch 43b, 44b include two contact portion (not labeled) connecting with the electrode of energy unit,
Electrode identical with the polarity of different-energy unit module is connect two contact portions of normally closed switch 43b, 44b respectively, such as: often
Two contact portions that 43b is closed in make and break are connected with the cathode of different-energy unit module respectively, two contact portions of normally closed switch 44b
It is connected respectively with the anode of different-energy unit module;Two contact portions of normal open switch 31b respectively with different-energy unit mould
The opposite polarity electrode of block connects, and is connected in parallel two energy unit modules to realize, that is, same energy in four energy units
Two energy units in amount unit module are connected in parallel by control unit in module, pass through mould between two energy unit modules
Control unit is connected in parallel between block, to realize being connected in parallel for four energy units, connection circuit diagram such as Fig. 7 of four energy units
It is shown, that is, in the initial state, four energy units in the apparatus for storing electrical energy are connected in parallel, voltage nV.
It please refers to shown in Fig. 7, the electric tool that operating voltage is low pressure nV has low voltage plug, and low voltage plug, which has, to be used for
With the connection sheet of two output voltage terminals 301b, 302b grafting.Due in the initial state, four energy of apparatus for storing electrical energy
Amount unit, which is in, is connected in parallel state, as shown in fig. 7, its voltage is nV.It therefore, only need to be by two connection sheets on low voltage plug
It is separately connected with two output voltage terminals 301b, 302b and output low pressure nV can be realized to the electricity for using the apparatus for storing electrical energy
Power driven tools.
It please refers to shown in Fig. 8 to Fig. 9, operating voltage is that the electric tool of middle pressure 2nV has middle pressure plug, on middle pressure plug
It is provided with insulation division 51b, conductive part 61b and the connection sheet connecting respectively with two output voltage terminals.Plug is pressed in the middle and is inserted
When seat is mating, insulation division 51b is contacted with two contact portions of normally closed switch 41b, 42b in control unit in module, conductive
Portion 61b is contacted with two contact portions of the normal open switch 30b in control unit in module, so that in the same energy unit module
The opposite polarity electrode of different-energy unit is switched to connection status from off-state, in the same energy unit module not
The identical electrode of the polarity of co-energy unit is switched to off-state from connection status, that is, in the same energy unit module
Two energy units are connected in series, series voltage 2nV.
That is, when the electric tool that operating voltage is 2nV uses the apparatus for storing electrical energy, control unit in middle pressure plug and module
Two energy units in same energy unit module are switched to series connection, two energy units from parallel connection by cooperation
State is connected in parallel by the holding of intermodule control unit between module, the connection circuit diagram of four energy units is as shown in Figure 9.
That is, two energy units in the same energy unit module are connected in series, be connected in parallel between two energy unit modules with
Press 2nV to the electric tool in output.
It please refers to shown in Figure 10 to Figure 13, the electric tool that operating voltage is 4nV has high-voltage plug 70b, high-voltage plug
The second switching with mating first switching part of control unit in module, mating with intermodule control unit is provided on 70b
Portion and the connection sheet 71b being connect respectively with two output voltage terminals 301b, 302b.First switching part includes the first insulation division
52b and the first conductive part 62b, the second switching part include the second insulation division 53b and the second conductive part 63b.
When high-voltage plug and socket are mating, the first insulation division 52b and the normally closed switch in control unit in module
Two contact portions of 41b, 42b contact, and two of the first conductive part 62b and the normal open switch 30b in control unit in module contact
Portion's contact, so that the opposite polarity electrode of the different-energy unit in the same energy unit module is switched to from off-state
Connection status, the identical electrode of polarity of the different-energy unit in the same energy unit module are switched to disconnected from connection status
Open state, that is, two energy units in the same energy unit module are connected in series, series voltage 2nV.
Second insulation division 53b is contacted with two contact portions of normally closed switch 43b, 44b in intermodule control unit, and second leads
Electric portion 63b is contacted with two contact portions of the normal open switch 31b in intermodule control unit, so that the pole of different-energy unit module
Property opposite electrode from off-state be switched to connection status, the identical electrode of the polarity of different-energy unit module is from connection shape
State is switched to off-state, is connected in series between two energy unit modules, circuit diagram such as Figure 13 of four energy units connection
It is shown.
That is, operating voltage be 4nV electric tool use the apparatus for storing electrical energy when, the first switching part of high-voltage plug with
Control unit cooperates in module, will be switched to series connection from being connected in parallel between the different-energy unit in the same energy unit module
Connection, the second switching part of high-voltage plug and intermodule control unit cooperate, by between different-energy unit module from being connected in parallel
It is switched to series connection, four energy units are connected in series to export high pressure 4nV to the electric tool.
It is found that when N is four, when the voltage of single energy unit is nV;Apparatus for storing electrical energy can provide three kinds of voltages, respectively
For low pressure nV, high pressure 4nV and middle pressure 2nV.
It please refers to shown in Figure 14 to Figure 20, in the third embodiment, apparatus for storing electrical energy includes the identical energy of six voltages
Unit, voltage are nV;Six energy units are equally divided into two energy unit modules, respectively energy unit module 10f and
Energy unit module 20f.It include three energy being connected in parallel in the same energy unit module in the socket of apparatus for storing electrical energy
Measure control unit and four voltage outputs being correspondingly connected with respectively with the positive and negative electrode of two energy unit modules in the module of unit
Terminal, output voltage terminals 101f, the 102f being respectively correspondingly connected with the positive and negative electrode of energy unit module 10f and with energy
Output voltage terminals 201f, 202f that the positive and negative electrode of amount unit module 20f is correspondingly connected with.
Specifically, control unit includes eight normally closed switch and four normal open switch in module, wherein each energy list
Two normal open switch 31f, 32f and four normally closed switch 41f, 42f, 43f, 44f are correspondingly provided in element module with by same energy
Three energy units in unit module are connected in parallel;In the present embodiment, normal open switch 31f, 32f, normally closed switch 41f,
42f, 43f, 44f include two contact portion (not labeled) connecting with the electrode of energy unit, normally closed switch 41f, 42f,
Electrode identical with the polarity of different-energy unit is connect two contact portions of 43f, 44f respectively, such as: normally closed switch 41f,
Two contact portions of 42f are connected with the cathode of different-energy unit respectively, two contact portions of normally closed switch 43f, 44f respectively with
The anode of different energy units is connected;Two contact portions of normal open switch 31f, 32f respectively from the pole of different energy units
Property opposite electrode connection, to realize three energy units being connected in parallel in same energy unit module.
It please refers to Figure 15 and combines shown in Figure 14, the electric tool that operating voltage is nV has low voltage plug, low voltage plug
Two connection sheets of the identical electrode of polarity with two energy unit modules of connection.When low voltage plug is mating with socket
When, a connection sheet connects anode corresponding output voltage terminals 101f, 201f of two energy unit modules, another company
Contact pin connects the cathode of two energy unit modules corresponding output voltage terminals 102f, 202f, makes four voltage output ends
The identical output voltage terminals of polarity are connected in parallel in son, and two energy unit modules 10f, 20f are connected in parallel, six energy lists
The connection circuit diagram of member is as shown in figure 15.
That is, when the electric tool that operating voltage is nV uses the apparatus for storing electrical energy, two connection sheet controls of low voltage plug
It makes two energy unit modules 10f, 20f to be connected in parallel, three energy units of same energy unit module pass through module internal control
Portion processed keeps being connected in parallel, so that six energy units of apparatus for storing electrical energy are connected in parallel, it is electronic to this to export low pressure nV
Tool.
It please referring to Figure 16 and combines shown in Figure 14, the electric tool that operating voltage is 2nV, which has, presses plug in first, and first
The connection sheet (not shown) that two energy unit modules are connected in series is provided on middle pressure plug.When the electricity that operating voltage is 2nV
When power driven tools use the apparatus for storing electrical energy, press plug and socket mating in first, connection sheet is by four voltage output ends
Wherein the different output voltage terminals of the polarity of one group of different-energy unit module are connected in son, e.g., energy unit module 10f
Positive 101f connect with the cathode 202f of energy unit module or the cathode 102f of energy unit module 10f and energy list
The positive 201f connection of element module, so that two energy unit block coupled in series connections, three energy of same energy unit module
Unit is connected in parallel by control unit holding in module, and the circuit diagram of six energy units connection is as shown in figure 16, energy unit
Three energy unit shunt voltages are nV in module, and two energy unit block coupled in series connections extremely should with pressure 2nV in output first
Electric tool.
It please refers to Figure 17 to Figure 18 and combines shown in Figure 14, there is the electric tool that operating voltage is 3nV pressure in second to insert
Head presses in second and is provided with the first switching part cooperated with control unit in module on plug and is connected in parallel two energy unit moulds
Two connection sheets (not shown) of block.First switching part includes insulation division 51f and conductive part 61f.Plug is pressed in second and is inserted
When seat is mating, insulation division 51f is inserted between two contact portions of normally closed switch 41f, 42f, 43f, 44f and separates two to insulate
A contact portion makes in same energy unit module the identical electrode of polarity be switched to off-state from connection status;Conductive part 61f
It contacts with two contact portions of normal open switch 31f, 32f the polarity phase of different-energy unit in same energy unit module is connected
Anti- electrode makes the opposite polarity electrode of different-energy unit in same energy unit module be switched to connection from off-state
State;That is, three energy units in same energy unit module are connected in series, voltage 3nV.One connection sheet is by two energy
Measure anode corresponding output voltage terminals 101f, 201f connection of unit module, another connection sheet is by two energy unit moulds
Corresponding output voltage terminals 102f, 202f connection of the cathode of block, keeps the identical voltage of polarity in four output voltage terminals defeated
Terminal is connected in parallel out, and two energy unit modules 10f, 20f are connected in parallel, circuit diagram such as Figure 18 of six energy units connection
It is shown.
That is, pressing the first switching of plug in second when the electric tool that operating voltage is 3nV uses the apparatus for storing electrical energy
Control unit cooperation makes three energy units in same energy module be switched to series connection from being connected in parallel in portion and module, and two
It is connected in parallel between a energy unit module by two connection sheets, with pressure 3nV in output second to the electric tool.
It please refers to Figure 19 to Figure 20 and combines shown in Figure 14, the electric tool that operating voltage is 6nV has high-voltage plug, high
The first switching part cooperated with control unit in module is provided on pressure plug and the connection of two energy unit modules is connected in series
Piece (not shown).First switching part includes insulation division 52f and conductive part 62f.When high-voltage plug and socket are mating, insulation
Portion 52f is inserted between two contact portions of normally closed switch 41f, 42f, 43f, 44f and separates two contact portions to insulate, and makes same energy
The identical electrode of polarity is switched to off-state from connection status in amount unit module;Conductive part 62f and normal open switch 31f, 32f
Two contact portions contact opposite polarity electrode in same energy unit module is connected, make pole in same energy unit module
The opposite electrode of property is switched to connection status from off-state;Three energy units in same energy unit module, which are connected, to be connected
It connects;Connection sheet is by wherein different output voltage terminals of the polarity of one group of different-energy unit module in four output voltage terminals
It is connected, e.g., the positive 101f of energy unit module 10f is connect with the cathode 202f of energy unit module or energy unit
The cathode 102f of module 10f is connect with the positive 201f of energy unit module, so that two energy unit block coupled in series connections.Six
The circuit diagram of a energy unit connection is as shown in figure 20.
That is, operating voltage be 6nV electric tool use the apparatus for storing electrical energy when, the first switching part of high-voltage plug with
Control unit cooperation makes three energy units in same energy module be switched to series connection from being connected in parallel in module, and voltage is
3nV;It is connected in series between two energy unit modules by connection sheet, to export high pressure 6nV to the electric tool.
It is found that when N is six, when the voltage of single energy unit is nV;Apparatus for storing electrical energy can provide four kinds of voltages, respectively
For low pressure nV, high pressure 6nV is pressed in 2nV and second in first and is pressed 3nV.
It should be noted that the concrete form of control unit in module, intermodule control unit is not limited to aforementioned normal open switch
Or normally closed switch, all components that can be realized identical function are in this protection scope.
It should also be noted that, the normal open switch into embodiment three of previous embodiment one can be correspondingly arranged one and lead
Electric portion's (the first conductive part or the second conductive part), can also by with multiple normal open switch it is mating conductive part one at
Type, e.g., the multiple normal open switch of conducting can be realized using a conductive part in multiple normal open switch mounted on top settings;Likewise,
One normally closed switch can be correspondingly arranged an insulation division (the second insulation division or the second insulation division), can also will with it is multiple often
Make and break is closed mating insulation division and is integrally formed, and e.g., multiple normally closed switch mounted on top settings use an insulation division
It realizes to insulate and separates multiple normally closed switch;Insulation division and conductive part can also be wholely set, such as: one section is made of insulating materials
Insulation division, one section is conductive part made of conductive material.The structure of conductive part and insulation division not limits herein, only needs to protect
Corresponding normal open switch is connected in card, conductive part, and insulation division, which insulate, separates corresponding normally closed switch.
In conclusion apparatus for storing electrical energy of the present invention includes the identical energy unit of N number of voltage, N number of energy unit is impartial
It is divided into M energy unit module, each energy unit module has control unit in module, in the initial state, module internal control
N/M energy unit in the same energy unit module is connected in parallel by portion processed.By using different plug and the electric energy
Storage device grafting is so that N number of energy unit is in the energy list being all connected in parallel, in whole series connections or same module
Member is connected in series or in parallel, and one of is connected in series or in parallel between energy unit module at least three kinds outputs of output
One of voltage voltage is to the electric tool for using the apparatus for storing electrical energy.So set, increasing apparatus for storing electrical energy
The scope of application reduces use cost.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of apparatus for storing electrical energy, it is characterised in that: including the equal energy unit of N number of voltage, it is possible to provide at least three kinds defeated
Voltage out;The N is to close number, and N number of energy unit is divided into several energy unit modules, each energy unit mould
Block has control unit in module;In the initial state, in the module control unit by the energy in the same energy unit module
Unit is connected in parallel.
2. apparatus for storing electrical energy according to claim 1, it is characterised in that: each energy unit module it is positive and negative
Electrode is correspondingly connected with a pair of of output voltage terminals, by several to the voltage output between several described energy unit modules
The grafting of terminal and banjo is connected in series or is connected in parallel to realize.
3. apparatus for storing electrical energy according to claim 1, it is characterised in that: the apparatus for storing electrical energy also has set on institute
State the intermodule control unit between several energy unit modules;In the initial state, if the intermodule control unit will be described
Dry energy unit wired in parallel connection, so that several described energy units are connected in parallel.
4. apparatus for storing electrical energy according to claim 3, it is characterised in that: if the apparatus for storing electrical energy have with it is described
Dry energy unit wired in parallel or after being connected in series it is total just, two output voltage terminals that always negative electrode is correspondingly connected with.
5. apparatus for storing electrical energy according to claim 1, it is characterised in that: the N is four;Four equal equal parts of energy unit
For two energy unit modules, control unit includes a normal open switch and two normally closed switch in the module;It is described normally closed to open
It closes and the normal open switch includes two contact portions connecting with the electrode of energy unit;Two of two normally closed switch
Electrode identical with the polarity of different-energy unit is connect contact portion respectively, controls two energy in same energy unit module
The identical electrode connection of the polarity of unit disconnects;Two contact portions of the normal open switch respectively with different-energy unit
Wherein one group of opposite polarity electrode connection, controls the opposite polarity electrode of different-energy unit in same energy unit module
It disconnects or connects, two energy in one normal open switch and the same energy unit module of two normally closed switch co- controllings
It measures unit and is in connection status in parallel or in series.
6. apparatus for storing electrical energy according to claim 3, it is characterised in that: the N is four;Four equal equal parts of energy unit
For two energy unit modules, control unit and the intermodule control unit include a normal open switch and two in the module
Normally closed switch;The normally closed switch and the normal open switch include two contact portions connecting with the electrode of energy unit;Institute
State two contact portions of two normally closed switch of control unit in module electricity identical with the polarity of different-energy unit respectively
Pole connection controls the identical electrode connection of polarity of two energy units in same energy unit module or disconnects;It is described
In module two contact portions of the normal open switch of control unit respectively with different-energy unit wherein one group it is opposite polarity
Electrode connection, the opposite polarity electrode for controlling different-energy unit in same energy unit module disconnects or connection, described
Two energy in module in a normal open switch of control unit and the same energy unit module of two normally closed switch co- controllings
Unit is in connection status in parallel or in series.
7. apparatus for storing electrical energy according to claim 6, it is characterised in that: two of the intermodule control unit are described often
Electrode identical with the polarity of different-energy unit module is connect two contact portions that make and break is closed respectively, controls two energy units
The identical electrode connection of the polarity of module disconnects;Two contact portions of the normal open switch of the intermodule control unit
It is not connect with wherein one group of opposite polarity electrode of different-energy unit module, controls the polarity phase of different-energy unit module
Anti- electrode disconnects or connection, a normal open switch of the intermodule control unit and two normally closed switch co- controlling two
Energy unit module is in connection status in parallel or in series.
8. apparatus for storing electrical energy according to claim 1, it is characterised in that: the N is six;Six equal equal parts of energy unit
For two energy unit modules, control unit includes two normal open switch and four normally closed switch in the module;It is described normally closed to open
It closes and the normal open switch includes two contact portions connecting with the electrode of energy unit;Two of four normally closed switch
Electrode identical with the polarity of different-energy unit is connect contact portion respectively, controls the different-energy in same energy unit module
The identical electrode connection of the polarity of unit disconnects;Two contact portions of two normal open switch respectively with different-energy list
The opposite polarity electrode connection of member, the opposite polarity electrode for controlling different-energy unit in same energy unit module disconnect
Or it connects, two normal open switch and the same energy unit module of four normally closed switch co- controllings of control unit in the module
Three interior energy units are in connection status in parallel or in series.
9. apparatus for storing electrical energy according to claim 8, it is characterised in that: in the initial state, described two normally opened to open
It closes and is connected in parallel with three energy units in the same energy unit module of four normally closed switch co- controllings.
10. a kind of electric tool, it is characterised in that: the electric tool uses described in any claim in claim 1-9
Apparatus for storing electrical energy.
Priority Applications (20)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811564074.2A CN109360929A (en) | 2018-12-20 | 2018-12-20 | Apparatus for storing electrical energy and electric tool |
PCT/CN2019/114237 WO2020125211A1 (en) | 2018-12-20 | 2019-10-30 | Electric energy storage device and electric tool system |
PCT/CN2019/114235 WO2020125210A1 (en) | 2018-12-20 | 2019-10-30 | Electric energy storage device and electric tool system |
AU2019410335A AU2019410335A1 (en) | 2018-12-20 | 2019-10-30 | Electrical energy storage apparatus and electric tool system |
EP19899127.5A EP3890144A1 (en) | 2018-12-20 | 2019-10-30 | Electric energy storage device and electric tool system |
EP19900190.0A EP3890145A4 (en) | 2018-12-20 | 2019-10-30 | Energy storage device and electric tool system |
EP19900431.8A EP3890146A4 (en) | 2018-12-20 | 2019-10-30 | Electric energy storage device and electric tool system |
PCT/CN2019/114239 WO2020125213A1 (en) | 2018-12-20 | 2019-10-30 | Electrical energy storage apparatus and electric tool system |
PCT/CN2019/114230 WO2020125209A1 (en) | 2018-12-20 | 2019-10-30 | Energy storage device and electric tool system |
EP19901399.6A EP3890084A1 (en) | 2018-12-20 | 2019-10-30 | Electrical energy storage apparatus and electric tool system |
AU2019411162A AU2019411162A1 (en) | 2018-12-20 | 2019-10-30 | Energy storage device and electric tool system |
AU2019400237A AU2019400237A1 (en) | 2018-12-20 | 2019-10-30 | Electric energy storage device and electric tool system |
AU2019410333A AU2019410333A1 (en) | 2018-12-20 | 2019-10-30 | Electric energy storage device and electric tool system |
US17/344,940 US11855299B2 (en) | 2018-12-20 | 2021-06-10 | Electric energy storage device and electric tool system |
US17/344,934 US20210305653A1 (en) | 2018-12-20 | 2021-06-10 | Electric energy storage device and electric tool system |
US17/349,923 US20210313614A1 (en) | 2018-12-20 | 2021-06-17 | Electric energy storage device and electric tool system |
US17/349,925 US20210313662A1 (en) | 2018-12-20 | 2021-06-17 | Electric energy storage device and electric tool system |
US17/523,913 US11637347B2 (en) | 2018-12-20 | 2021-11-11 | Electric energy storage device and electric tool system |
US17/523,915 US11641043B2 (en) | 2018-12-20 | 2021-11-11 | Electric energy storage device and electric tool system |
US18/508,176 US20240079707A1 (en) | 2018-12-20 | 2023-11-13 | Electric energy storage device and electric tool system |
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CN201811564074.2A CN109360929A (en) | 2018-12-20 | 2018-12-20 | Apparatus for storing electrical energy and electric tool |
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