CN207489984U - A kind of battery-powered device - Google Patents
A kind of battery-powered device Download PDFInfo
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- CN207489984U CN207489984U CN201721600210.XU CN201721600210U CN207489984U CN 207489984 U CN207489984 U CN 207489984U CN 201721600210 U CN201721600210 U CN 201721600210U CN 207489984 U CN207489984 U CN 207489984U
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- battery pack
- plug
- electrically connected
- cathode
- assembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a kind of battery-powered devices, it is single to solve battery pack output when current electrician tool uses, it carries inconvenient for use, the drawbacks of cost remains high, its key points of the technical solution are that include battery pack, battery pack includes the first battery pack and the second battery pack, further include the plug-assembly for being installed with cathode output end and cathode output end, the contact assembly being electrically connected between plug-assembly and battery pack, plug-assembly includes the first plug group being electrically connected in series and the second plug group of electrical connection output in parallel, a kind of battery-powered device of the utility model, can output voltage easily be adjusted by voltage of the battery pack according to needed for electric tool, it uses, install convenient, it is economical and practical.
Description
Technical field
The utility model is related to supply electric installation, more particularly to a kind of battery-powered device.
Background technology
Battery component is connected and in parallel and connection in series-parallel combination, battery pack in parallel require each cell voltage identical, output
Voltage be equal to the voltage of battery, batteries in parallel connection group can provide stronger electric current.Series battery does not have excessive requirement,
As long as ensureing that the capacity of battery is similar, series battery can provide higher voltage.Battery pack is widely used, with
The development of cordless power tool, matched battery is in kind, amount of capacity and environmental protection, secure context also in constantly improve
Development.But the battery pack of existing cordless power tool, generally existing capacity is small, exports single variety voltage, Wu Fashi
The needs for the field work gardens DC charging tool for answering mobility big.
Some electric tools when in use, since the voltage needed for matched operating member is different, are needed to output
Voltage be adjusted, currently used mode carries the battery pack of a variety of different output voltage specifications, to be used
When installation is switched over to battery pack, integrated operation is very cumbersome, inconvenient to carry, and battery pack is of high cost, multiple
The setting of battery pack then virtually increases the holistic cost that electric tool uses, using not science, the sky that could be improved
Between.
Utility model content
The purpose of this utility model is to provide a kind of battery-powered device, can be by a battery pack according to electronic work
Voltage needed for tool easily adjusts output voltage, and use, install convenient are economical and practical.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of battery-powered device, includes battery pack, and the battery pack includes the first battery pack and the second battery
Group further includes and is installed with the plug-assembly of cathode output end and cathode output end, is electrically connected between plug-assembly and battery pack
Contact assembly；
The contact assembly includes the first cathode contact group for being electrically connected anode and cathode in the first battery pack
And it the first cathode contact group, is electrically connected in the anode of the second battery pack and the second cathode contact group of cathode and the second cathode
Contact sets；
The plug-assembly includes：
The first cathode contact group is electrically connected with the second cathode contact group and that the first cathode contact group is electrically connected to anode is defeated
Outlet, the second cathode contact group, which are electrically connected to cathode output end, connects the of output to realize the first battery pack with the second battery pack
One plug group
Or
Cathode output end is electrically connected to the node being electrically connected of the first cathode contact group and the second cathode contact group and is born
Pole output terminal is electrically connected to the node being electrically connected of the first cathode contact group and the second cathode contact group to realize the first battery pack
With the second plug group of the second battery pack Parallel opertation.
Using the above scheme, by contact assembly be electrically connected to battery pack the first battery pack and the second battery pack it is each
Contact so that the supplying cell in battery pack, which can pick out, to be powered；The setting of first plug group of plug-assembly can be real
Show connect output of first battery pack with the second battery pack, and the second plug group can then realize the first battery pack and the second battery
The Parallel opertation of group so that the output voltage that battery pack is provided can be different according to the difference that plug-assembly selects, and use
The mechanism of machinery, the contact assembly that battery pack picks out keep replacement that is inconvenient and utilizing plug-assembly, and nothing needs to change battery pack, into
And battery pack is stablized and is easily installed, the cost needed for integral product is reduced, only needs to change plug-assembly i.e.
The output demand of multiple voltage can be achieved.
Preferably, first battery pack and the second battery pack include, there are two lithium batteries；
The first cathode contact group, which includes, to be electrically connected in a of the anode of two section lithium batteries in the first battery pack
Positive contact, b positive contacts；The first cathode contact group, which includes, to be electrically connected in two section lithium batteries in the first battery pack
A negative contacts, the b negative contacts of cathode；The second cathode contact group, which includes, to be electrically connected in two sections in the second battery pack
C positive contacts, the d positive contacts of the anode of lithium battery；The second cathode contact group, which includes, to be electrically connected in the second battery pack
C negative contacts, the d negative contacts of the cathode of two interior section lithium batteries；
The first plug group includes：
Cathode output end is electrically connected to a positive contacts, a negative contacts are electrically connected to b positive contacts, b negative contacts are electrically connected to c and just touch
Point, c negative contacts are electrically connected to d positive contacts, d negative contacts are electrically connected to cathode output end so that the lithium battery in battery pack to be gone here and there successively
First series connection plug of connection output
Or
Cathode output end is electrically connected to a positive contacts and is electrically connected to c positive contacts and d with b positive contacts, a negative contacts and b negative contacts
Positive contact, c negative contacts and d negative contacts are electrically connected to cathode output end, by the first battery pack two section lithium batteries it is parallel with one another,
Two section lithium batteries in second battery pack are parallel with one another and gone here and there with the second of output that the first battery pack is connected with the second battery pack
Join plug；
The second plug group is：
A positive contacts, which with b positive contacts are electrically connected to c positive contacts and are electrically connected to c with d positive contacts, a negative contacts and b negative contacts, to be born
Contact and d negative contacts, and be electrically connected in cathode output end and cathode output end with by the first battery pack and the second battery pack
The plug in parallel of in parallel first.
Using the above scheme, the first battery pack and the second battery pack include two section lithium batteries, and each lithium battery
Contact is independent to be picked out, the first series connection plug or the second series connection plug that the first plug group of plug-assembly includes so that
It keeps exporting in series between first battery pack and the second battery pack；First series connection plug will be electric by contact electrical connection
Series connection output is realized again after two section being serially connected of lithium batteries in the group of pond, and the second series connection plug then will be electric by contact electrical connection
It is serially connected output again after the two mutual parallel connections of section lithium batteries in the group of pond, realizes that the first battery pack and the second battery pack are being protected
Different series voltages is realized in the case of holding whole series connection；Second plug-assembly then passes through the first battery pack in parallel and the second electricity
The mode of pond group realizes the output of shunt voltage by way of the parallel connection whole again parallel with one another of two section lithium batteries in battery pack；
The connection mode of lithium battery is just as the connection between battery pack in battery pack, and then passes through the first plug-assembly and the second plug
Component realizes the different voltage outputs between lithium battery, can be passed through by the replacement plug of machinery by required output voltage
Same battery pack realizes output, while is controlled without using chip, and whole energy consumption is reduced, while is reduced in battery pack
The loss of lithium battery.
Preferably, further including the socket for being useful for that contact assembly is fixedly mounted, the socket is protruding with corresponding to tactile
The contact pin component of point component；The plug-assembly is installed with for the plugging hole component of contact pin component grafting and is plugged in for being electrically connected
The contact assemblies of contact assembly in plugging hole component.
Using the above scheme, the contact pin component that the socket of contact assembly and socket protrude above is fixedly mounted, is matched with plug
Component and the plugging hole component and contact assemblies set thereon so that each contact can more stablize by contact pin component and insert
The mutual inlay card of aperture member is stably connected with, and the setting of contact assemblies is fixed on plug-assembly, passes through contact assemblies
The difference of the voltage output mode and value between each plug is easily realized to the change of the electrically connecting position of contact assembly,
Overall structure is more simple.
Preferably, the socket is cylindrical close to the side of plug-assembly and circumferentially extending is sheathed on plug-assembly
Bulge loop, the madial wall of the bulge loop is communicated in edge and offers one for circumferentially positioned locating slot, the plug in an axial direction
The lateral wall of component is protruding with corresponding inlay card in the locating piece in locating slot.
Using the above scheme, the bulge loop of socket extension is sheathed on plug-assembly, contact pin component is protected so that socket
Connection between plug-assembly is more stablized, and the locating slot that the madial wall of bulge loop opens up in an axial direction is matched with plug-assembly
The locating piece of lateral wall protrusion so that when plug-assembly is arranged on socket, the card between locating slot and locating piece can be passed through
It is embedding to realize circumferential limiting, the rotation between plug-assembly and socket is avoided, so that the contact pin component of inlay card cooperation and inserting
The connection that hole can stablize, while locating slot and locating piece can play guiding function, and grafting is carried out in plug-assembly and socket
When, contact pin component alignment receptacles can be convenient for carry out grafting, operation is more quick, avoids causing the damage to contact pin component
It is bad；Positioning is realized by locating piece and locating slot simultaneously so that the inserting mode between socket and plug-assembly is only one kind, is inserted
It and then can realize the output of stable required voltage with the corresponding grafting of jack realization, avoid out the corresponding contact of needle assemblies
The problems such as existing contact wrong, occurs, using more safely, conveniently.
Preferably, the lateral wall of the plug-assembly is arranged with the outer barrel that screw thread is movably connected on socket lateral wall.
Using the above scheme, the outer barrel energy screw thread that the lateral wall of plug-assembly is arranged is movably connected on the lateral wall of socket,
So that the connection between plug-assembly and socket is more stablized, the two is avoided easily to be detached from.
Preferably, madial wall of the outer barrel close to the side of socket is protruding with the connecting portion in shape of threads, it is described to insert
The lateral wall of seat is protruding with a circle thread fitting in the connection ring of connecting portion, and side of the connection ring far from plug-assembly is circumferential
The spacing ring limited to outer barrel is equipped with, is spaced apart between the connection ring and spacing ring equipped with being circumferentially rotated for connecting portion
Movable part.
Using the above scheme, outer barrel is close to the connecting portion of shape of threads of side madial wall protrusion of socket and the outside of socket
One circle connection ring of wall protrusion cooperates, and realizes that outer barrel is rotationally connected on the outside of socket, and in connection ring far from plug-assembly
The setting of the spacing ring of side can realize the limiting rotated to outer barrel, be matched with movable part so that outer barrel is after completing to connect
It can circumferentially rotate and be movably connected on socket, only when the ability when the connecting portion of shape of threads is corresponded with connection ring in threaded connection
It can realize the dismounting and installation of outer barrel, so that the connection that can stablize between socket and plug-assembly, and outer barrel is on the outside
It is protected, reduces damage.
Preferably, side circumferential projection of the lateral wall of the plug-assembly far from socket has the screw thread in shape of threads
Portion, one end madial wall of the outer barrel far from socket are equipped with one section of thread fitting in the screwed ring of threaded portion.
Using the above scheme, the threaded portion of the lateral wall circumferential projection of plug-assembly is matched with the side wall of one end in outer barrel and sets
The screwed ring put so that plug-assembly can realize the relative rotation between outer barrel, while be matched with the movable part on socket
And the setting of spacing ring so that outer barrel can circumferentially rotate, so that plug-assembly can occur axially with respect to outer barrel
Displacement, can be under the cooperation of outer barrel in the installation for carrying out socket and plug component so that plug-assembly is to socket side
Stable movement so that plugging hole component can realize stable and firm connection with contact pin component, and is stablized during connection, is avoided
Crooked caused by the unevenness of force during artificial grafting, use is more convenient.
Preferably, the lateral wall of the plug-assembly is protruding in side of the threaded portion far from socket is connected to outer barrel one
Side is with the spacing block set to outer barrel progress rotary stopper.
Using the above scheme, the lateral wall of plug-assembly can in the spacing block set of side protrusion of the threaded portion far from socket
Outer barrel is connected to, and then rotary stopper is carried out to outer barrel so that axially opposite shift length one between outer barrel and plug-assembly
It is fixed, and then avoid the grafting of plugging hole component and contact pin component excessive, it is protected according to the firmness of grafting.
Preferably, further including the mounting box installed to battery pack, include in the mounting box to the first battery
The clip that group and the second battery pack fix.
Using the above scheme, the setting of mounting box can integrally protect battery pack, and the clip of mounting box is set
Put so that independent installation and connection can be stablized between battery pack in battery pack, output convenient for installation while control more
The stabilization added.
In conclusion the utility model has the advantages that：
By being matched with mechanical plug-assembly to installing the first battery component and the second battery component in battery pack
It replaces, realizes the switching of the output voltage of battery pack so that the battery in battery pack can be carried out at the same time use, ensure lithium battery
One of service life, while using the mode of machinery, reduce using loss of the chip to battery pack interior power, and without more
Battery pack of high cost is changed, use is more economical, easy.
Description of the drawings
For the structure diagram of electric installation when Fig. 1 is two section lithium battery；
Fig. 2 is the sectional view at the central axis of plug-assembly and socket；
Fig. 3 is the block diagram of two section lithium batteries；
Fig. 4 is the circuit connection diagram in the first plug group；
Fig. 5 is the circuit connection diagram in the second plug group；
For the structure diagram of electric installation when Fig. 6 is four section lithium battery；
Fig. 7 is the circuit connection diagram in the first series connection plug；
Fig. 8 is the circuit connection diagram in the second series connection plug；
Fig. 9 is the circuit connection diagram in the first plug in parallel.
In figure：1st, battery pack；11st, the first battery pack；12nd, the second battery pack；14th, conducting wire；2nd, plug-assembly；21st, first
Plug group；211st, the first series connection plug；212nd, the second series connection plug；22nd, the second plug group；221st, the first plug in parallel；23rd, it touches
Piece component；24th, plugging hole component；25th, locating piece；26th, threaded portion；27th, spacing block set；28th, cathode output end；29th, cathode exports
End；3rd, contact assembly；4th, socket；41st, contact pin component；42nd, bulge loop；421st, locating slot；43rd, connection ring；44th, spacing ring；45th, it is living
Dynamic portion；5th, outer barrel；51st, connecting portion；52nd, screwed ring；6th, mounting box；61st, clip.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of battery-powered device disclosed in the present embodiment, as shown in Figure 1, including the battery pack 1 for power supply, inciting somebody to action
Conducting wire 14 that battery pack 1 is attached is connected to the socket 4 of 14 side of conducting wire and can be plugged in socket 4 and realizes voltage output
Plug-assembly 2.Include several section lithium batteries in battery pack 1, and realized mutually by clip 61 between adjacent lithium battery
Connection and fixation, be fixedly connected among clip 61 and towards both sides in arc-shaped, with inlay card between adjacent lithium battery,
Again by there is mounting box 6 to carry out installation fixation to the lithium battery of interconnection.
As shown in Figures 1 and 2, the first battery pack 11 and the second battery pack 12, and the first battery pack are included in battery pack 1
11 and second the positive and negative anodes contact of battery pack 12 socket 4 is connected to by conducting wire 14 respectively, socket 4 is protruding with slotting for connecting
The contact pin component 41 of head assembly 2 and each contact pin of contact pin component 41 correspond respectively to be fixedly connected in each conducting wire 14, is inserted
Needle assemblies 41 use metal conductive materials and preferably metallic copper.It is corresponding, it is offered on the surface of plug-assembly 2 corresponding to slotting
The plugging hole component 24 of needle assemblies 41, socket 4 and plug-assembly 2 are cylindrical, and have been axially extended in the circumferential direction of socket 4
The bulge loop 42 of 2 lateral wall of plug-assembly is sheathed on, the madial wall side of bulge loop 42, which axially offers, to be communicated in close to plug
The locating slot 421 on 2 a side edge of component.The lateral wall of plug-assembly 2 is protruding with sliding inlay card in the locating piece in locating slot 421
25 so that plugging direction fixes, is single when plug-assembly 2 and socket 4 carry out mating, and grafting is avoided reversal connection or mistake occur
It connects, is carried out at the same time limiting and avoids the occurrence of crooked after grafting, ensure the stabilization of grafting.
As shown in Figures 1 and 2, the outside of plug-assembly 2 is also arranged with outer barrel 5, side of the plug-assembly 2 far from socket 4
Lateral wall circumferentially offers the threaded portion 26 of protrusion, and is also protruding with screwed ring in madial wall of the outer barrel 5 far from 4 side of socket
52, the connection of outer barrel 5 and plug-assembly 2, and screw thread can be realized by the threaded connection between screwed ring 52 and threaded portion 26
Ring 52 is a bit of, and the entire length of threaded portion 26 is more than screwed ring 52 so that outer barrel 5 can after being connected on plug-assembly 2
Realize the adjustment of relative displacement between the two.And a circle spacing block set 27 is protruding in side of the plug-assembly 2 far from socket 4,
Rotation displacement distance between outer barrel 5 and plug-assembly 2 is defined.
The connecting portion 51 for being provided with shape of threads is also protruded close to the side madial wall of socket 4 in outer barrel 5, in the convex of socket 4
Ring 42 offers the connection ring 43 of a circle shape of threads by the side of proximal port, and outer barrel 5 is realized by connecting portion 51 and connection ring 43
With the connection of socket 4, a circle spacing ring 44 is additionally provided in side of the connection ring 43 far from plug-assembly 2, passes through spacing ring 44
Connection between outer barrel 5 and socket 4 limits, and is movable part 45 between connection ring 43 and spacing ring 44 so that outer barrel 5
Connecting portion 51 can be rotated in 45 inner circumferential of movable part.It is circumferentially rotated, and then make by outer barrel 5 and the connection realization of movable part 45
Axial displacement can be carried out with respect to outer barrel 5 by obtaining the threaded portion 26 of plug-assembly 2, be slided in locating slot 421 and 25 part of locating piece
It moves after inlay card, can realize that plug-assembly 2 is moved to 4 side of socket, and then realize contact pin component 41 and jack by outer barrel 5
The stable and firm connection of component 24.
As shown in Figures 3 to 5, battery pack 1 includes the first battery pack 11 and the second battery pack 12, and plug-assembly 2 is also
Include cathode output end 28 and cathode output end 29, lithium is saved when only including one in the first battery pack 11 and the second battery pack 12
During battery, there are four output terminals for the tool of battery pack 1, further include the output terminal corresponding to battery pack 1, and be electrically connected to plug-assembly
2 contact assembly 3, contact assembly 3 are to be fixed on socket 4 and correspond respectively to contact pin component 41, connected by conducting wire 14
The contact that is electrically connected.Contact assembly 3 includes the first cathode contact for being electrically connected anode and cathode in the first battery pack 11
Group and the first cathode contact group, the second cathode contact group and second for being electrically connected anode and cathode in the second battery pack 12
Cathode contact group.Plug-assembly 2 includes the first plug group 21 and the second plug group 22, when two plug groups are independent and different with
Socket 4 carry out it is mating, realize the adjustment to the output voltage of battery pack 1 export.Plug-assembly 2, which is additionally provided with, to be electrically connected to
The end of internal receptacle component 24 is to realize the gold to being plugged between the contact pin component 41 in plugging hole component 24 different electrical connections
Belong to conductive contact assemblies 23.
As shown in figure 4, the first plug group 21 by contact assemblies 23 in inside by the first cathode contact group and the second anode
Contact sets are electrically connected and the first cathode contact group are electrically connected to cathode output end 28, the second cathode contact group is electrically connected to cathode
Output terminal 29 realizes connect output of first battery pack 11 with the second battery pack 12.Single lithium battery output voltage is 3.6v, is led to
Cross the output that the first plug group 21 realizes the 7.2v voltages of series connection.
As shown in figure 5, the second plug group 22 by contact assemblies 23 first by the first cathode contact group and the second cathode contact
Group is electrically connected, and the electrical connection node between both is electrically connected with cathode output end 28；By contact assemblies 23 first
First cathode contact group and the second cathode contact group are electrically connected, and the electrical connection node between both and cathode is defeated
Outlet 29 is electrically connected；Realize the Parallel opertation of the first battery pack 11 and the second battery pack 12 so that the whole volume of battery pack 1 becomes
Greatly, and output voltage is kept as 3.6v.
In the case that contact pin component 41 in battery pack 1 and socket 4 remains unchanged, the plug only by replacing machinery
The output of voltage needed for same 1 difference of battery pack can be realized in component 2.The voltage of 3.6v and 7.2v can be realized in two section lithium batteries
Output.
It is clear to state when the first battery pack 11 and the second battery pack 12 include two section lithium batteries such as Fig. 6 to Fig. 9
It is respectively lithium battery a, b, c, d that Chu Ze, which defines lithium battery, and lithium battery a, b are located in the first battery pack 11, and c, d are located at the second electricity
In pond group 12.The first cathode contact group that contact assembly 3 includes includes a positive contacts, b positive contacts, the first cathode contact group packet
A negative contacts, b negative contacts are included；Second cathode contact group includes c positive contacts, d positive contacts, and the second cathode contact group includes c
Negative contact, d negative contacts.The contact pin component 41 on socket 4 is provided with one-to-one 8 contact pins corresponding to contact assembly 3 at this time,
8 jacks corresponding to contact pin component 41 are offered on corresponding 4 component of socket, and correspondence is expressed as a respectively for contact pin and jack
+、a-、b+、b-、c+、c-、d+、d-。
First plug group 21 of plug-assembly 2 includes the first series connection plug 211 and the second series connection plug 212, and second inserts
Head group 22 is then the first plug 221 in parallel.
As shown in fig. 7, first series connection plug 211 a negative contacts are electrically connected to b positive contacts by contact assemblies 23, b bear it is tactile
Point is electrically connected to c positive contacts, c negative contacts are electrically connected to d positive contacts, and cathode output end 28 is electrically connected to a positive contacts, d
Negative contact is electrically connected to cathode output end 29, and the lithium battery in battery pack 1 is sequentially connected in series output to realize, four save lithium batteries it
Between series connection output, realize the output voltage of 14.4v.
As shown in figure 8, a positive contacts of the first cathode contact group are electrically connected by the second series connection plug 212 by contact assemblies 23
It is connected to b positive contacts, a negative contacts of the first cathode contact group are electrically connected to b negative contacts, the c positive contacts of the second cathode contact group electricity
It is connected to d positive contacts, the c negative contacts of the second cathode contact group are electrically connected to d negative contacts, and again by contact assemblies 23 by first
Cathode contact group is electrically connected to the second cathode contact, and the first cathode contact group is electrically connected to cathode output end 28, and the second cathode touches
Point is electrically connected to cathode output end 29, and by two sections in the first battery pack 11, lithium batteries are parallel with one another, in the second battery pack 12
After two section lithium batteries are parallel with one another, then using two section lithium batteries as entirety first battery pack 11 of realization and the second battery pack 12
Series connection output, realize four section lithium batteries be connected to external load, and pass through the second series connection plug 212 realize 7.2v electricity
Pressure output.
As shown in figure 9, the first plug 221 in parallel is first electric by a positive contacts of the first cathode contact group by contact assemblies 23
It is connected to b positive contacts, a negative contacts of the first cathode contact group are electrically connected to b negative contacts, the c positive contacts of the second cathode contact group
It is electrically connected to d positive contacts, the c negative contacts of the second cathode contact group are electrically connected to d negative contacts, then by contact assemblies 23 by first
Cathode contact group is electrically connected with the second cathode contact group, and passes through contact assemblies 23 by the electrical connection node between both
It is electrically connected with cathode output end 28；First the first cathode contact group and the second cathode contact group are carried out by contact assemblies 23 simultaneously
Electrical connection, and pass through contact assemblies 23 and be electrically connected the electrical connection node between both with cathode output end 29；Then just as in
Two section lithium batteries realize the Parallel opertation of the first battery pack 11 and the second battery pack 12, that is, realize that the lithium battery in battery pack 1 is equal
Output parallel with one another first passes through internal parallel connection and carries out the 3.6v voltage outputs in parallel for realizing four section lithium batteries again.
Four are realized by the switch connector of 212 and first plug 221 in parallel of the first series connection series connection of plug 211, second plug
Save the voltage output of 3.6v, 7.2v and 14.4v of lithium battery.
When including 8 section lithium batteries in battery pack 1, then tetra- kinds of voltage outputs of 3.6v, 7.2v, 14.4v, 28.8v can be realized；16
Section lithium battery can then realize the voltage output of 3.6v, 7.2v, 14.4v, 28.8v, 57.6v.To ensure the service life of lithium battery,
Then without parallel operation after connecting between battery pack.And so on, the voltage output of battery pack 1 can according to actual needs into
The superposition of row lithium battery number, lithium battery are increased again with 2 index, and n times index saves lithium battery and is respectively uniformly distributed first again
In 11 and second battery pack 12 of battery pack, and 2 are respectively included in the first battery pack 11 and the second battery pack 12N-1Lithium battery is saved, it is real
Existing voltage output has N kinds, so as to which corresponding plug-assembly 2 has N number of independent plug.
Operating procedure and operating mode：
1st, the battery pack 1 of suitable size is selected according to the actually required voltage of electric tool, battery pack 1 is installed on electronic
After in tool, it is connected to one by one on socket 4 by conducting wire 14, and pass through contact assembly 3 and realized with the contact pin component 41 on socket 4
Mutual electrical connection；
2nd, the plug in corresponding plug-assembly 2 is selected according to actually required voltage, when being installed, by plug-assembly
Locating slot 421 on 25 alignment socket 4 of locating piece of 2 lateral walls is positioned into line slip so that 41 alignment receptacles group of contact pin component
Part 24, and be threadedly connected on socket 4 by outer barrel 5 again, plug-assembly 2 is driven to socket 4 one by the relative rotation of outer barrel 5
Side is moved, so that contact pin component 41, which is plugged in plugging hole component 24, realizes stable grafting；
3rd, realize that selected voltage exports by the cathode output end 28 on plug-assembly 2 and cathode output end 29, it is convenient
The use access of external load.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (9)
1. a kind of battery-powered device includes battery pack (1), it is characterized in that：The battery pack (1) includes the first battery
Group (11) and the second battery pack (12) further include the plug-assembly for being installed with cathode output end (28) and cathode output end (29)
(2), the contact assembly (3) being electrically connected between plug-assembly (2) and battery pack (1)；
The contact assembly (3) includes the first cathode contact for being electrically connected anode and cathode in the first battery pack (11)
Group and the first cathode contact group are electrically connected in the anode of the second battery pack (12) and the second cathode contact group of cathode and
Two cathode contact groups；
The plug-assembly (2) includes：
It is electrically connected the first cathode contact group and the second cathode contact group and the first cathode contact group is electrically connected to cathode output end
(28), the second cathode contact group is electrically connected to cathode output end (29) to realize the first battery pack (11) and the second battery pack (12)
First plug group (21) of series connection output
Or
Cathode output end (28) is electrically connected to the node being electrically connected of the first cathode contact group and the second cathode contact group and is born
Pole output terminal (29) is electrically connected to the node being electrically connected of the first cathode contact group and the second cathode contact group to realize the first electricity
Pond group (11) and the second plug group (22) of the second battery pack (12) Parallel opertation.
2. battery-powered device according to claim 1, it is characterized in that：First battery pack (11) and the second battery
Group (12) is including there are two lithium batteries；
The first cathode contact group, which includes, to be electrically connected in a of the anode of two section lithium batteries in the first battery pack (11)
Positive contact, b positive contacts；The first cathode contact group, which includes, to be electrically connected in two section lithium electricity in the first battery pack (11)
A negative contacts, the b negative contacts of the cathode in pond；The second cathode contact group, which includes, to be electrically connected in the second battery pack (12)
C positive contacts, the d positive contacts of the anode of two interior section lithium batteries；The second cathode contact group, which includes, to be electrically connected in
C negative contacts, the d negative contacts of the cathode of two section lithium batteries in two battery packs (12)；
The first plug group (21) includes：
Cathode output end (28) is electrically connected to a positive contacts, a negative contacts are electrically connected to b positive contacts, b negative contacts are electrically connected to c and just touch
Point, c negative contacts are electrically connected to d positive contacts, d negative contacts are electrically connected to cathode output end (29) so that the lithium in battery pack (1) is electric
Pond is sequentially connected in series the first series connection plug (211) of output
Or
Cathode output end (28) is electrically connected to a positive contacts and is electrically connected to c positive contacts and d with b positive contacts, a negative contacts and b negative contacts
Positive contact, c negative contacts and d negative contacts are electrically connected to cathode output end (29), by two section lithium batteries in the first battery pack (11)
Two section lithium batteries parallel with one another, in the second battery pack (12) are parallel with one another and with by the first battery pack (11) and the second battery pack
(12) the second series connection plug (212) of series connection output；
The second plug group (22) is：
A positive contacts are electrically connected to c positive contacts with b positive contacts and are electrically connected to c negative contacts with d positive contacts, a negative contacts and b negative contacts
With d negative contacts, and it is electrically connected in cathode output end (28) and cathode output end (29) with by the first battery pack (11) and
Two battery packs (12) the first plug (221) in parallel in parallel.
3. battery-powered device according to claim 2, it is characterized in that：It further includes and is useful for that contact assembly is fixedly mounted
(3) socket (4), the socket (4) are protruding with the contact pin component (41) corresponding to contact assembly (3)；The plug-assembly
(2) it is installed with for the plugging hole component (24) of contact pin component (41) grafting and is plugged in touching in plugging hole component (24) for being electrically connected
The contact assemblies (23) of point component (3).
4. battery-powered device according to claim 3, it is characterized in that：The socket (4) is close to plug-assembly (2)
Side is cylindrical and circumferentially extending has the bulge loop (42) that is sheathed on plug-assembly (2), and the madial wall of the bulge loop (42) is along axis
One is offered for circumferentially positioned locating slot (421) to edge is communicated in, and the lateral wall of the plug-assembly (2) is protruding with pair
Inlay card is answered in the locating piece (25) in locating slot (421).
5. battery-powered device according to claim 4, it is characterized in that：The lateral wall of the plug-assembly (2) is arranged
There is the outer barrel (5) that screw thread is movably connected on socket (4) lateral wall.
6. battery-powered device according to claim 5, it is characterized in that：The outer barrel (5) is close to the side of socket (4)
Madial wall be protruding with connecting portion (51) in shape of threads, the lateral wall of the socket (4) is protruding with a circle thread fitting in even
The connection ring (43) of socket part (51), the connection ring (43) far from plug-assembly (2) side be circumferentially equipped with to outer barrel (5) into
Row limiting spacing ring (44), be spaced apart between the connection ring (43) and spacing ring (44) equipped with for connecting portion (51) circumferential direction turn
Dynamic movable part (45).
7. battery-powered device according to claim 6, it is characterized in that：The lateral wall of the plug-assembly (2) is separate
The side circumferential projection of socket (4) has the threaded portion (26) in shape of threads, one end inside of the outer barrel (5) far from socket (4)
Wall is equipped with one section of thread fitting in the screwed ring (52) of threaded portion (26).
8. battery-powered device according to claim 7, it is characterized in that：The lateral wall of the plug-assembly (2) is in spiral shell
Side of the line portion (26) far from socket (4), which is protruding with, is connected to outer barrel (5) side to carry out the limiting of rotary stopper to outer barrel (5)
Convex block (27).
9. battery-powered device according to claim 3, it is characterized in that：It has further included and battery pack (1) has been installed
Mounting box (6), include what the first battery pack (11) and the second battery pack (12) were fixed in the mounting box (6)
Clip (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721600210.XU CN207489984U (en) | 2017-11-25 | 2017-11-25 | A kind of battery-powered device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721600210.XU CN207489984U (en) | 2017-11-25 | 2017-11-25 | A kind of battery-powered device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489984U true CN207489984U (en) | 2018-06-12 |
Family
ID=62471657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721600210.XU Active CN207489984U (en) | 2017-11-25 | 2017-11-25 | A kind of battery-powered device |
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| Country | Link |
|---|---|
| CN (1) | CN207489984U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790928A (en) * | 2018-07-27 | 2018-11-13 | 江门市地尔汉宇电器股份有限公司 | A kind of charging electric motor vehicles rifle using standard power supply base |
| CN111916580A (en) * | 2019-05-08 | 2020-11-10 | 浙江鼎能电气有限公司 | Battery pack system for improving transportation safety |
| CN115000645A (en) * | 2022-07-22 | 2022-09-02 | 华能鹤岗发电有限公司 | Novel storage battery wiring structure |
-
2017
- 2017-11-25 CN CN201721600210.XU patent/CN207489984U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108790928A (en) * | 2018-07-27 | 2018-11-13 | 江门市地尔汉宇电器股份有限公司 | A kind of charging electric motor vehicles rifle using standard power supply base |
| CN108790928B (en) * | 2018-07-27 | 2024-02-27 | 汉宇集团股份有限公司 | Charging gun for electric automobile using standard power supply socket |
| CN111916580A (en) * | 2019-05-08 | 2020-11-10 | 浙江鼎能电气有限公司 | Battery pack system for improving transportation safety |
| CN115000645A (en) * | 2022-07-22 | 2022-09-02 | 华能鹤岗发电有限公司 | Novel storage battery wiring structure |
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