CN104578231B - Charger and charging system - Google Patents
Charger and charging system Download PDFInfo
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- CN104578231B CN104578231B CN201410208983.8A CN201410208983A CN104578231B CN 104578231 B CN104578231 B CN 104578231B CN 201410208983 A CN201410208983 A CN 201410208983A CN 104578231 B CN104578231 B CN 104578231B
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- charger
- battery bag
- electrode terminal
- depression
- switch element
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Abstract
A kind of charger and charging system, charging system include battery bag and the charger for battery bag charging.Charger includes:Charger shell, formed with internal chamber;Charge circuit, the internal chamber is contained in, produces charging current;Charger electrode terminal, it is electrically connected with the charge circuit, for transmitting the charging current to the battery bag;The charger also includes:The switch element being arranged in series between the charge circuit and the charger electrode terminal, when the switch element is not triggered, connection between the charge circuit and the charger electrode terminal disconnects, when the switch element is triggered, the connection conducting between the charge circuit and the charger electrode terminal.User can not touch powered charger electrode terminal, prevent user from being got an electric shock because touching charger electrode terminal.
Description
Technical field
The present invention relates to a kind of charger and charging system.
Background technology
With in recent years, with the development of battery material technology, the ability to work of battery is significantly lifted, its application
Also some powerful power category electric devices are extended to from some low power electrical type electric devices, such as electronic work
Tool etc..
The constraint of cable can be broken away from using the electric tool of battery bag and can be used at any time, everywhere, these battery bags
It is typically chargeable, as NI-G (Nickel-cadmium, NiCd) battery, ni-mh (Nickel-Metal Hydride,
NiMH) battery, lithium ion (Lithium-ion, L-ion) battery etc., battery bag is charged by charger, after charging complete
Electric energy is provided for electrical equipment, electric energy is charged after exhausting again by charger, is recycled.
In order to provide higher power, and it is more to reduce harmful effect, the people such as the heating that high current work is brought
Select high-tension battery bag.When being charged using charger to such battery bag, because charging voltage is higher, it is greater than
During 40V, when battery bag is not coupled on charger, exposed powered electrode terminal is easily unexpectedly touched by people, or
Person is unexpectedly turned on by object, the danger such as electric shock or short circuit, spark be present.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of end that can effectively prevent user from touching powered charger
The charger of son.
To achieve the above object, technical scheme provided by the invention is:A kind of charger, for being filled for battery bag
Electricity, including:Charger shell, formed with internal chamber;Charge circuit, the internal chamber is contained in, produces charging current;Fill
Electrical electrode terminal, it is connected with the charge circuit, for transmitting the charging current to the battery bag;The charger is also
Including:The switch element being arranged in series between the charge circuit and the charger electrode terminal, when the switch element
When not being triggered, the connection between the charge circuit and the charger electrode terminal disconnects, when the switch element is touched
During hair, the connection conducting between the charge circuit and the charger electrode terminal.
Preferably, the switch element is microswitch.
Preferably, the microswitch is double break type microswitch.
Preferably, the charger shell includes the first depression and the second depression, and described first is recessed for housing at least
The part battery bag, second depression is from the opening being arranged on the surface of first depression to the charger shell
Inside extension, the switch element include extending to second depression through the charger shell from the internal chamber
Trigger element that is interior and not crossing the opening.
Preferably, the greatest width dimension of the opening is not more than 3 millimeters.
Preferably, the battery bag, which is provided with, is used to triggering the projection of the switch element, described raised with described second
Depression matches.
Preferably, the charging voltage that the charger provides is not less than 40V.
In order to solve the above technical problems, the present invention provides a kind of end that can effectively prevent user from touching powered charger
The charging system of son.
To achieve the above object, technical scheme provided by the invention is:A kind of charging system, including charger and battery
Bag, the charger include:Charger shell, formed with internal chamber;Charge circuit, the internal chamber is contained in, produced
Charging current;Charger electrode terminal, it is connected with the charge circuit, for transmitting the charging current to the battery bag;
Switch element, it is arranged in series between the charge circuit and the charger electrode terminal, controls the charge circuit and institute
State the connection between charger electrode terminal;The battery bag includes:Battery pack housing;Battery unit, it is contained in the battery
Inside pack housing;And battery bag terminal, it is connected with the battery unit, receives the charging of the charger electrode terminal transmission
Electric current;The battery bag has the first position separated with the charger and the second place with charger mating,
When the battery bag is located at first position, the switch element disconnects, the charge circuit and the charger electrode terminal
Between connection disconnect, when the battery bag be located at the second place, the switch element closes, the charge circuit and described
Connection conducting between charger electrode terminal.
Preferably, the first depression for housing the battery bag is provided with the charger shell and is at least partly housed
The second of at least partly described switch element is recessed, and is provided with the battery pack housing for triggering the convex of the switch element
Rise, when the battery bag is located at the second place, the projection is contained in second depression completely.
Preferably, when the battery bag separates from the charger, the switch element automatically resets to off-state.
Preferably, when the switch element closes, the charger electrode terminal be contained in completely the charger and
The battery bag connects the inner space to be formed.
Compared with prior art, charger and charging system provided by the invention are opened by being set on the housing of charger
Unit is closed, when battery bag is not coupled to charger, charger electrode terminal is exposed, and switch element disconnects charger electrode terminal
It is not charged with the electric connection of charge circuit, charger electrode terminal;When battery bag is coupled to charger, charger electrode tip
Son is not exposed, the electric connection of switch element closure charger electrode terminal and charge circuit.Make user can not so as to reach
The effect of powered charger electrode terminal is touched, effectively prevent user causes to touch because touching charger electrode terminal
Electricity.
Brief description of the drawings
The invention will be further described with embodiment below in conjunction with the accompanying drawings;
Fig. 1 is the schematic diagram for the charging system that embodiment of the present invention provides, and now battery bag is in first position;
Fig. 2 is the schematic diagram for the charger that embodiment of the present invention provides;
Fig. 3 is the principle schematic for the charger that embodiment of the present invention provides;
Fig. 4 is the schematic diagram of battery bag in the charging system that embodiment of the present invention provides;
Fig. 5 is the sectional view of battery bag in the charging system that embodiment of the present invention provides;
Fig. 6 is the schematic diagram for the charging system that embodiment of the present invention provides, and now battery bag is in the second place;
Fig. 7 is the charging system sectional view that embodiment of the present invention provides.
Wherein:
1. the charger of charger shell 100.
3. the battery bag of charge circuit 200.
5. the battery pack housing of charger electrode terminal 201.
7. the battery unit of switch element 203.
9. the battery bag electrode terminal of power line 205.
11. the opening of the first depression 207.
13. slide rail 209. is raised
15. the slide rail of male pole piece 211.
17. second 215. female pole pieces of depression
19. the charging system of trigger element 300.
Embodiment
Fig. 1 is referred to, the charging system 300 provided for embodiment of the present invention, charging system 300 includes charger 100
And battery bag 200.Battery bag 200 has the first position separated with charger 100, and reliably matches somebody with somebody with charger 100
The second place connect.
In the present embodiment, the output voltage of battery bag 200 is not less than 40V, for providing electric power for electric tool, electricity
Power driven tools can be the garden tools such as shrub and hedge trimmer, hay mover, chain saw or electric circular saw, electric hammer, electric drill, reciprocating saw, curve
The hand-held tools such as saw, it is numerous to list herein, when battery bag 200 is connected with electric tool, discharged electronic to drive
Tool work, when the electric power deficiency that battery bag 200 stores, it is connected to charger 100 and is charged.
Fig. 2 and Fig. 3 are referred to, charger 100 includes charger shell 1, and housing 1 is formed with the portion for housing charger 100
Divide the internal chamber of component, the charge circuit 3 being contained in inside charger shell 1, the charging being electrically connected with charge circuit 3
Device electrode terminal 5, switch element 7 and the power line 9 being arranged in series between charge circuit 3 and charger electrode terminal 5.
Power line 9 can be connected with external ac power source, and AC power is provided for charger 100;Charge circuit 3 and power line
9 are electrically connected with, the AC power that power line 9 is provided, and it can be the dc source that is charged of battery bag 200 to be converted to;Charging
Device electrode terminal 5 is arranged on charger shell 1, is supplied to battery bag to be charged dc source caused by charge circuit 3.
One of ordinary skill in the art is it can be readily appreciated that charger shell 1 is internally provided with printed circuit board (PCB), charging
Loop 3 is arranged on printed circuit board (PCB), charger electrode terminal 5 and switch element 7, can be arranged directly on printed circuit board (PCB)
It is upper to be electrically connected with charge circuit 3, it can also be electrically connected with by electric wire and charge circuit 3.
The first depression 11 is provided with charger shell 1, when battery bag 200 is attached on charger 100, the first depression
11 at least part of collecting battery bags 200.Formed with slide rail 13 on the side of first depression 11, for guiding simultaneously self-contained battery bag
200, when installing battery bag 200, slide rail 13 guides battery bag 200 to be moved along default installation direction up to the second place, and
Battery bag 200 can be limited along the displacement perpendicular to default installation direction.
It is additionally provided with the second depression 17 on charger shell 1, the second depression 17 is from being arranged on the surface of the first depression 11
Inside from opening to charger shell 1 extend, in the present embodiment, second depression 17 opening be arranged at the first depression 11
Side wall on, along the installation direction of battery bag 200 to charger shell 1 inside extend.Certainly, the opening of the second depression 17 also may be used
To be arranged on the bottom surface of the first depression 11, along the installation direction perpendicular to battery bag 200 to extending inside charger shell 1.
In the present embodiment, the opening of the second depression 17 and cross section are rectangle, in a not shown embodiment,
The opening of second depression 17 and cross section can also be the other shapes with certain anti-error function, such as square, circular,
Convex shape, or polygon etc..
Charger electrode terminal 5 is arranged on charger shell 1, including base 13 made of insulating materials and fixation are set
The male pole piece 15 being placed on base, male pole piece 15, along the installation direction of battery bag 200, prolong from base 13 into the first depression 11
Stretch, including at least the anode pole piece and cathode pole piece that electric power is transmitted to battery bag 200.Further, male pole piece 15 can also wrap
Some feature pole pieces are included, such as the communication pole piece of data transfer is realized with the control circuit in battery bag 200, detect battery bag
The detection pole piece of 200 internal temperatures, identify identification pole piece of species of battery bag 200 etc..
Switch element 7 is used to control the power transmission between charge circuit 3 and charger electrode terminal 5, it is preferred that switch
Unit 7 is microswitch, including switch main body (not shown) and the trigger element being arranged on switch main body of activity
19, the flexible member for supporting trigger element 19, such as spring are provided with switch main body, it is single when there is pressure to put on triggering
During member 19, trigger element 19 extrudes flexible member and produces displacement, and when putting on the removal of the pressure on trigger element 19, triggering is single
Member 19 automatically resets under the elastic force effect of flexible member.Switch main body is fixedly installed on charger shell 1 or charger
On the printed circuit board (PCB) that the inside of housing 1 is set, charger shell 1 is passed through in the internal chamber of the self-charging device 100 of trigger element 19
Extend in the second depression 17, and any part of trigger element 19 all without departing from second depression 17 opening, to prevent from switching
Unit 7 is unexpectedly triggered.Preferably, the greatest width dimension of the opening of the second depression 17 is not more than 3 millimeters, and sufficiently narrow opens
Mouth width can preferably avoid switch element 7 from unexpectedly being triggered by objects such as fingers.
According to switch element 7 in the different set-up modes of the internal chamber of charger 100, trigger element 19 can be from
The not ipsilateral of two depressions 17 passes through, and can be triggered by the pressure that different directions apply.In the present embodiment,
Two depressions 17 have the end face of the installation direction perpendicular to battery bag 200 and the side of the installation direction parallel to battery bag 200
Face, trigger element 19 from second depression 17 end face pass through, and can by along parallel to battery bag 200 installation direction institute
The pressure of application is triggered.In other unshowned present embodiments, trigger element 19 is worn from the side of the second depression 17
Cross, and can be by being triggered along the installation direction pressure applied perpendicular to battery bag 200.
Under conventional sense, when trigger element 19 is not triggered, switch element 7 is off, charge circuit 3 and institute
The connection stated between charger electrode terminal 5 is disconnected, and it is not charged to expose to the charger electrode terminal 5 of charger shell 1, exempts from
The danger got an electric shock except user;When trigger element 19 is triggered, switch element 7 closes, charge circuit 4 and charger electrode tip
Electric connection between son 5 is switched on.Preferably, switch element 7 is double-break switch, can be also turned on or cut off to charge back
Road 3 and the electric connection of the positive pole of charger electrode terminal 5 and negative pole, reliability are higher.
Fig. 4 and Fig. 5 are referred to, battery bag 200 includes battery pack housing 201, the battery being contained in battery pack housing 201
Unit 203, and the battery bag electrode terminal 205 being electrically connected with battery unit 203.
In the present embodiment, battery unit 203 is lithium ionic cell unit, have lithium metal oxide and/or lithium from
Sub- phosphate and/or other lithium base chemical compositions;Battery unit 203 has about in the nominal voltage model of the volt of scope 3.3 to 4.6
Enclose, certainly, according to the charged state (whether battery is fully charged) of battery unit and the specified chemical characteristic of battery, these values can
With change.Battery unit integrally in cylinder, has the generally circular end face on side and two opposite sides, has about
65mm length and about 18mm cross-sectional diameter.Multiple batteries unit 203 passes through mode in series or in parallel so that
Battery bag 200 reaches predetermined voltage or capacity, and in the present embodiment, battery bag 200 has the electricity that 10 sections are connected in series
Pool unit, there is about 40V nominal voltage.Certainly, battery unit 203 can also be made up of other chemical compositions, have difference
Nominal voltage scope, but generally speaking, it can be by way of series connection so that battery bag 200 has higher mark
Claim voltage, such as 40V, 42V, 48V, 60V etc..
Battery bag electrode terminal 205 is arranged in battery pack housing 201, including base made of insulating materials and fixation
It is arranged on base and towards female pole piece 215 of the outer openings of battery pack housing 201, installation of female pole piece 215 along battery bag 200
Direction lengthwise extension, including at least positive and negative electrode pole piece, further, female pole piece 215 can also include some feature pole pieces,
Such as the communication pole piece of data transfer is realized with the control circuit in charger or instrument, detect the internal temperature of battery bag 200
Detection pole piece, identify identification pole piece of species etc. of battery bag 200.
It is in ship type that battery pack housing 201 is overall, outside cladding and battery unit 203 and battery bag electrode terminal 205, battery bag
The position corresponding with female pole piece 215 is provided with opening 207 on housing 201, when battery bag 200 is attached to charger 100, fills
The male pole piece 15 of electrical electrode terminal 5 is entered in battery pack housing by opening 207, female pole with battery bag electrode terminal 205
Piece is in contact.
Chute 211 is provided with battery pack housing 201, for being adapted with the slide rail 13 on charger, guides battery bag
200 move along default installation direction until the second place.
Projection 209 is provided with battery pack housing 201, for triggering the switch element 7 on charger 100.Projection 209 is certainly
The surface that opening 207 is provided with battery pack housing 201 is attached to the outside lengthwise in direction of charger 100 along battery bag 200 and prolonged
Stretch, have and the shapes and size that match of the second depression 17 on charger shell 1.When battery bag 200 is attached to charger
When 100, the position of projection 209 is corresponding with the position of the second depression 17 on charger shell 1.
Please also refer to Fig. 1, Fig. 6 and Fig. 7, when battery bag 200 is in the first position separated with charger 100, touch
Bill member 19 is not triggered in the second depression 17, and switch element 7 is off, charge circuit 3 and charger electricity
Without electric connection between extreme son 5, the charger electrode terminal 5 for exposing to charger shell 1 is not charged.
During battery bag 200 is coupled into charger 100 and when battery bag 200 is in reliable with charger 100
Mating the second place when, projection 209 and the second depression are 17 corresponding, and projection 209 is recessed during 17 in insertion second,
Trigger element 19 is depressed by projection 209 towards the inside of charger shell 1, and when trigger element 19 is triggered, switch element 7 closes
Close, the electric connection between charge circuit 4 and charger electrode terminal 5 is switched on, and now charger electrode terminal 5 houses completely
The inner space to be formed is connected with battery bag in charger, will not be accessible to user, be avoided and bring electric shock to user
It is dangerous.
When battery bag 200 separates from charger 100, projection 209 is left out of second depression 17, and trigger element 19 exists
Automatically reset in the presence of flexible member to the state not being triggered, switch element 7 recovers to off-state, the He of charge circuit 3
Without electric connection between the charger electrode terminal 5, the charger electrode terminal 5 for exposing to charger shell 1 is not charged.Make
User will not touch powered charger electrode terminal all the time, and avoid user causes to touch because touching charger electrode terminal
Electricity.
It may occur to persons skilled in the art that the present invention can also have other implementations, but as long as it is used
Technical spirit and the present invention it is same or like seemingly, or it is any based on the easy full of beard made of the present invention and variations and alternatives all
Within protection scope of the present invention.
Claims (10)
1. a kind of charger, for being charged for battery bag, including:
Charger shell, formed with internal chamber;
Charge circuit, the internal chamber is contained in, produces charging current;
Charger electrode terminal, it is connected with the charge circuit, for transmitting the charging current to the battery bag;
Characterized in that, the charger also includes:
The switch element being arranged in series between the charge circuit and the charger electrode terminal, when the switch element not
When being triggered, the connection between the charge circuit and the charger electrode terminal disconnects, when the switch element is triggered
When, the connection conducting between the charge circuit and the charger electrode terminal;Formed with slide rail, battery on charger shell
Wrap provided with being used for the chute that is adapted with slide rail, the battery bag have the first position that is separated with charger and with it is described
The second place of charger mating, the slide rail, chute are guiding and self-contained battery bag is along default installation direction from first
Position movement is until the second place being reliably connected with charger, and when the battery bag is located at first position, the switch is single
Member disconnects, when the battery bag is located at the second place, the switch element closure;The charger also includes trigger element,
And the charger shell is provided with the second depression, prolongs in the trigger element self-charging device internal chamber through charger shell
Extend in the second depression, and the battery bag is provided with what pluggable second be adapted with the second concave shape and size was recessed
Projection, when battery bag is in the second place being reliably coupled with charger, the second depression of projection insertion corresponding thereto
Switch element is set to be triggered.
2. charger according to claim 1, it is characterised in that:The switch element is microswitch.
3. charger according to claim 2, it is characterised in that:The microswitch is double break type microswitch.
4. charger according to claim 1, it is characterised in that:The charger shell includes the first depression, and described the
One is recessed for housing at least partly battery bag, and second depression is from being arranged at opening on the described first surface being recessed
Mouthful to extending inside the charger shell, the switch element includes the trigger element, and the trigger element does not cross institute
State the opening of the second depression.
5. charger according to claim 4, it is characterised in that:The greatest width dimension of the opening is not more than 3 millimeters.
6. charger according to claim 1, it is characterised in that:The charging voltage that the charger provides is not less than 40V.
7. a kind of charging system, including charger and battery bag, it is characterised in that:
The charger includes:Charger shell, formed with internal chamber;Charge circuit, the internal chamber is contained in, produced
Charging current;Charger electrode terminal, it is connected with the charge circuit, for transmitting the charging current to the battery bag;
Switch element, it is arranged in series between the charge circuit and the charger electrode terminal, controls the charge circuit and institute
State the connection between charger electrode terminal;
The battery bag includes:Battery pack housing;Battery unit, it is contained in the battery bag enclosure interior;
And battery bag terminal, it is connected with the battery unit, receives the charging current of the charger electrode terminal transmission;
The battery bag has the first position separated with the charger and the second place with charger mating, when
When the battery bag is located at first position, the switch element disconnects, the charge circuit and the charger electrode terminal it
Between connection disconnect, when the battery bag be located at the second place, the switch element closes, and the charge circuit and described fills
Connection conducting between electrical electrode terminal;Formed with slide rail, battery bag is provided with to be used to be adapted with slide rail charger shell
Chute, guide and self-contained battery bag along default installation direction from first position move up to be reliably connected with charger the
Two positions;The charger also includes trigger element, and the charger shell is provided with the second depression, and the trigger element is certainly
Extended in charger internal chamber through charger shell in the second depression, and the battery bag is provided with and the second concave shape
What shape and size were adapted can be inserted into the projection of the second depression, when battery bag is in the second place being reliably coupled with charger
When, projection, which inserts the second corresponding depression, makes switch element be triggered.
8. charging system according to claim 7, it is characterised in that:Collecting at least portion is provided with the charger shell
Divide the first depression of the battery bag, second depression at least part collecting post states switch element, when the battery bag is located at
During the second place, the projection is contained in second depression completely.
9. charging system according to claim 7, it is characterised in that:When the battery bag separates from the charger,
The switch element automatically resets to off-state.
10. charging system according to claim 7, it is characterised in that:When the switch element closes, the charger
Electrode terminal is contained in the charger and connects the inner space to be formed with the battery bag completely.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711422063.6A CN108206567A (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
CN201410208983.8A CN104578231B (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN201310474564 | 2013-10-12 | ||
CN2013104745644 | 2013-10-12 | ||
CN201410208983.8A CN104578231B (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
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CN201711422063.6A Division CN108206567A (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
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CN104578231A CN104578231A (en) | 2015-04-29 |
CN104578231B true CN104578231B (en) | 2017-12-01 |
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CN201711422063.6A Pending CN108206567A (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
CN201410208983.8A Active CN104578231B (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
CN201420252705.8U Expired - Lifetime CN203871894U (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
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CN201711422063.6A Pending CN108206567A (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
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CN201420252705.8U Expired - Lifetime CN203871894U (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
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JP5620224B2 (en) * | 2010-10-26 | 2014-11-05 | 株式会社マキタ | Charger |
CN102723753A (en) * | 2012-05-28 | 2012-10-10 | 莫小永 | Charger |
CN108206567A (en) * | 2013-10-12 | 2018-06-26 | 苏州宝时得电动工具有限公司 | Charger and charging system |
-
2014
- 2014-05-16 CN CN201711422063.6A patent/CN108206567A/en active Pending
- 2014-05-16 CN CN201410208983.8A patent/CN104578231B/en active Active
- 2014-05-16 CN CN201420252705.8U patent/CN203871894U/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN108206567A (en) | 2018-06-26 |
CN104578231A (en) | 2015-04-29 |
CN203871894U (en) | 2014-10-08 |
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