CN104578231A - Charger and charge system - Google Patents
Charger and charge system Download PDFInfo
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- CN104578231A CN104578231A CN201410208983.8A CN201410208983A CN104578231A CN 104578231 A CN104578231 A CN 104578231A CN 201410208983 A CN201410208983 A CN 201410208983A CN 104578231 A CN104578231 A CN 104578231A
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- charger
- power brick
- electrode terminal
- switch element
- charge circuit
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Abstract
The invention discloses a charger and a charge system. The charge system comprises a battery pack and the charger for charging the battery pack. The charger comprises a charger housing in which an internal chamber is formed, a charge loop which is accommodated in the internal chamber and used for generating charge current, a charger electrode terminal which is electrically connected with the charge loop and used for transmitting the charge current to the battery pack, and a switch unit arranged between the charge loop and the charger electrode terminal in series connection; when the switch unit is not triggered, the charge loop is disconnected from the charger electrode terminal; when the switch unit is triggered, the charge loop is connected with the charger electrode terminal. A user cannot be in contact with the charged charger electrode terminal, thereby preventing the user from getting an electric shock due to touch of the charger electrode terminal.
Description
Technical field
The present invention relates to a kind of charger and charging system.
Background technology
With in recent years, along with the development of battery material technology, the ability to work of battery significantly promotes, and its range of application also extends to some powerful power category electric devices, as electric tool etc. from some low power electrical type electric devices.
Adopt the electric tool of power brick can break away from the constraint of cable and can use at any time, everywhere, these power brick are normally chargeable, as NI-G (Nickel-cadmium, NiCd) battery, ni-mh (Nickel-Metal Hydride, NiMH) battery, lithium ion (Lithium-ion, L-ion) battery etc., power brick is charged by charger, for electric equipment provides electric energy after charging complete, again charged by charger after electric energy exhausts, recycle.
In order to provide higher power, and reduce the harmful effects such as the heating that big current work brings, people more select high-tension power brick.When using charger to the charging of this type of power brick, because charging voltage is higher, such as, when being greater than 40V, when charger does not connect power brick, the charged electrode terminal exposed easily is touched unexpectedly by people, or by the unexpected conducting of object, exist and get an electric shock or the danger such as short circuit, spark.
Summary of the invention
For solving the problems of the technologies described above, the invention provides and a kind ofly can effectively prevent user from touching the charger of the terminal of charged charger.
For achieving the above object, technical scheme provided by the invention is: a kind of charger, for charging for power brick, comprising: charger shell, being formed with internal chamber; Charge circuit, is contained in described internal chamber, produces charging current; Charger electrode terminal, is connected with described charge circuit, for transmitting described charging current to described power brick; Described charger also comprises: be arranged in series the switch element between described charge circuit and described charger electrode terminal, when described switch element is not triggered, connection between described charge circuit and described charger electrode terminal disconnects, when described switch element is triggered, the connection conducting between described charge circuit and described charger electrode terminal.
Preferably, described switch element is sensitive switch.
Preferably, described sensitive switch is double break type sensitive switch.
Preferably, described charger shell comprises the first depression and the second depression, described first depression is for accommodating at least part of described power brick, the opening of described second depression on the surface being arranged at described first depression extends to described charger shell inside, described switch element comprise in described internal chamber through described charger shell extend to described second cave in and do not cross the trigger element of described opening.
Preferably, the greatest width dimension of described opening is not more than 3 millimeters.
Preferably, described power brick is provided with the projection for triggering described switch element, and described projection and described second caves in and matches.
Preferably, the charging voltage that described charger provides is not less than 40V.
For solving the problems of the technologies described above, the invention provides and a kind ofly can effectively prevent user from touching the charging system of the terminal of charged charger.
For achieving the above object, technical scheme provided by the invention is: a kind of charging system, comprises charger and power brick, and described charger comprises: charger shell, is formed with internal chamber; Charge circuit, is contained in described internal chamber, produces charging current; Charger electrode terminal, is connected with described charge circuit, for transmitting described charging current to described power brick; Switch element, is arranged in series between described charge circuit and described charger electrode terminal, controls the connection between described charge circuit and described charger electrode terminal; Described power brick comprises: power brick housing; Battery unit, is contained in described power brick enclosure interior; And power brick terminal, be connected with described battery unit, receive the charging current that described charger electrode terminal transmits; Described power brick has the primary importance be separated with described charger and the second place connected with described charger, when described power brick is positioned at primary importance, described switch element disconnects, connection between described charge circuit and described charger electrode terminal disconnects, when described power brick is positioned at the second place, described switch element closes, the connection conducting between described charge circuit and described charger electrode terminal.
Preferably, described charger shell be provided with the first depression of the described power brick of collecting and accommodate the second depression of at least part of described switch element at least partly, described power brick housing is provided with the projection for triggering described switch element, when described power brick is positioned at the second place, described projection is contained in described second depression completely.
Preferably, when described power brick is separated from described charger, described switch element automatically resets to off-state.
Preferably, when described switch element closes, described charger electrode terminal is contained in the inner space that described charger and described power brick are connected to form completely.
Compared with prior art, charger provided by the invention and charging system by arranging switch element on the housing of charger, when power brick is not coupled to charger, charger electrode terminal exposes, switch element disconnects the electric connection of charger electrode terminal and charge circuit, and charger electrode terminal is not charged; When power brick is coupled to charger, charger electrode terminal does not expose, and switch element closes the electric connection of charger electrode terminal and charge circuit.Thus reach the effect making user cannot touch charged charger electrode terminal, effectively prevent user and cause because of touching charger electrode terminal getting an electric shock.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the invention will be further described;
Fig. 1 is the schematic diagram of the charging system that embodiment of the present invention provides, and now power brick is in primary importance;
Fig. 2 is the schematic diagram of the charger that embodiment of the present invention provides;
Fig. 3 is the principle schematic of the charger that embodiment of the present invention provides;
Fig. 4 is the schematic diagram of power brick in the charging system that provides of embodiment of the present invention;
Fig. 5 is the cutaway view of power brick in the charging system that provides of embodiment of the present invention;
Fig. 6 is the schematic diagram of the charging system that embodiment of the present invention provides, and now power brick is in the second place;
Fig. 7 is the charging system cutaway view that embodiment of the present invention provides.
Wherein:
1. charger shell 100. charger
3. charge circuit 200. power brick
5. charger electrode terminal 201. power brick housing
7. switch element 203. battery unit
9. power line 205. power brick electrode terminal
11. first depression 207. openings
13. slide rails 209. are protruding
15. public pole piece 211. slide rails
17. second depression 215. female pole pieces
19. trigger element 300. charging systems
Embodiment
Refer to Fig. 1, be the charging system 300 that embodiment of the present invention provides, charging system 300 comprises charger 100 and power brick 200.Power brick 200 has the primary importance be separated with charger 100, and the second place connected reliably with charger 100.
In the present embodiment, the output voltage of power brick 200 is not less than 40V, for providing electric power for electric tool, electric tool can be the garden tools such as lopping shears, hay mover, chain saw, also can be electric circular saw, electric hammer, electric drill, reciprocating saw, the hand-held tools such as sweep-saw, do not enumerate at this, when power brick 200 is connected with electric tool, carry out discharging to drive electric tool work, when the electric power that power brick 200 stores is not enough, is connected to charger 100 and charges.
Refer to Fig. 2 and Fig. 3, charger 100 comprises charger shell 1, housing 1 is formed with the internal chamber of the part components and parts of collecting charger 100, be contained in the charge circuit 3 of charger shell 1 inside, the charger electrode terminal 5 be electrically connected with charge circuit 3, is arranged in series the switch element 7 between charge circuit 3 and charger electrode terminal 5 and power line 9.
Power line 9 can be connected with external ac power source, for charger 100 provides AC power; Charge circuit 3 and power line 9 are electrically connected, and by the AC power that power line 9 provides, are converted to the DC power supply that can be power brick 200 and carry out charging; Charger electrode terminal 5 is arranged on charger shell 1, the DC power supply that charge circuit 3 produces is supplied to power brick and charges.
Those of ordinary skill in the art is understandable is, charger shell 1 inside is provided with printed circuit board (PCB), charge circuit 3 is arranged on printed circuit board (PCB), charger electrode terminal 5 and switch element 7, can be set directly on printed circuit board (PCB) and be electrically connected with charge circuit 3, also can be electrically connected by electric wire and charge circuit 3.
Charger shell 1 is provided with the first depression 11, when power brick 200 is mounted on charger 100, the collecting power brick 200 that the first depression 11 is at least part of.The side of the first depression 11 is formed with slide rail 13, for guiding and self-contained battery bag 200, when installing power brick 200, slide rail 13 guides power brick 200 to move until the second place along the installation direction preset, and can limit power brick 200 along the displacement perpendicular to the installation direction preset.
Charger shell 1 is also provided with the second depression 17, the opening of the second depression 17 on the surface being arranged at the first depression 11 extends to the inside of charger shell 1, in the present embodiment, the opening of the second depression 17 is arranged on the sidewall of the first depression 11, the inner extension along the installation direction of power brick 200 to charger shell 1.Certainly, the opening of the second depression 17 also can be arranged on the bottom surface of the first depression 11, extends along the installation direction perpendicular to power brick 200 to charger shell 1 inside.
In the present embodiment, opening and the cross section of the second depression 17 are rectangle, in a not shown embodiment, opening and the cross section of the second depression 17 also can be other shapes with certain anti-error function, and such as square is circular, convex shape, or polygon etc.
Charger electrode terminal 5 is arranged on charger shell 1, comprise the base 13 that insulating material is made and the public pole piece 15 be fixedly installed on base, public pole piece 15 from base 13 along the installation direction of power brick 200, extend in the first depression 11, at least comprise the anode pole piece to power brick 200 transmitting electric power and cathode pole piece.Further, public pole piece 15 can also comprise some functional pole pieces, such as, realize the communication pole piece of transfer of data with the control circuit in power brick 200, detects the detection pole piece of power brick 200 internal temperature, identifies identification pole piece of the kind of power brick 200 etc.
Switch element 7 is for controlling the electric power transfer between charge circuit 3 and charger electrode terminal 5, preferably, switch element 7 is sensitive switch, comprise the trigger element 19 be arranged on switch main body of switch main body (not shown) and activity, the flexible member for supporting trigger element 19 is provided with in switch main body, such as spring, when there being pressure to put on trigger element 19, trigger element 19 extrudes flexible member and produces displacement, when putting on the pressure on trigger element 19 and removing, trigger element 19 is under the elastic force effect of flexible member, automatically reset.On the printed circuit board (PCB) that switch main body is fixedly installed on charger shell 1 or charger shell 1 inside is arranged, extend in the second depression 17 through charger shell 1 in the internal chamber of trigger element 19 self-charging device 100, and any part of trigger element 19 does not all exceed the opening of the second depression 17, triggered unexpectedly to prevent switch element 7.Preferably, the greatest width dimension of the opening of the second depression 17 is not more than 3 millimeters, and enough narrow A/F can better avoid switch element 7 to be triggered unexpectedly by objects such as fingers.
According to the different set-up mode of switch element 7 in the internal chamber of charger 100, trigger element 19 can pass from the not ipsilateral of the second depression 17, and can be triggered by different directions applied pressure.In the present embodiment, second depression 17 have perpendicular to the installation direction of power brick 200 end face and be parallel to the side of installation direction of power brick 200, trigger element 19 passes from the end face of the second depression 17, and can by triggering along the installation direction institute applied pressure being parallel to power brick 200.In other unshowned present embodiments, trigger element 19 passes from the side of the second depression 17, and can by triggering along the installation direction institute applied pressure perpendicular to power brick 200.
Under conventional sense, when trigger element 19 is not triggered, switch element 7 is in off-state, and the connection between charge circuit 3 and described charger electrode terminal 5 is disconnected, the charger electrode terminal 5 exposing to charger shell 1 is not charged, eliminates the danger that user gets an electric shock; When trigger element 19 is triggered, switch element 7 closes, and the electric connection between charge circuit 4 and charger electrode terminal 5 is switched on.Preferably, switch element 7 is double-break switch, and can connect simultaneously or cut off the electric connection of charge circuit 3 and charger electrode terminal 5 positive pole and negative pole, reliability is higher.
Refer to Fig. 4 and Fig. 5, power brick 200 comprises power brick housing 201, is contained in the battery unit 203 in power brick housing 201, and the power brick electrode terminal 205 be electrically connected with battery unit 203.
In the present embodiment, battery unit 203 is lithium ionic cell unit, has lithium metal oxide and/or lithium ion phosphate and/or other lithium base chemical compositions; Battery unit 203 has greatly about the nominal voltage scope of scope 3.3 to 4.6 volt, and certainly, according to the charged state (whether battery is full of electricity) of battery unit and the specified chemical characteristic of battery, these values can change.Battery unit entirety is cylindrical, has the roughly rounded end face on side and two opposite sides, has the length of about 65mm and the cross-sectional diameter of about 18mm.Multiple batteries unit 203 passes through the mode of series connection or parallel connection, and make power brick 200 reach predetermined voltage or capacity, in the present embodiment, power brick 200 has the battery unit that 10 joints are connected in series, and has the nominal voltage of about 40V.Certainly, battery unit 203 also can be made up of other chemical compositions, has different nominal voltage scopes, but generally speaking, it can, by the mode of series connection, make power brick 200 have higher nominal voltage, such as 40V, 42V, 48V, 60V etc.
Power brick electrode terminal 205 is arranged in power brick housing 201, comprise base that insulating material makes and to be fixedly installed on base and towards female pole piece 215 of power brick housing 201 outer openings, female pole piece 215 extends along the installation direction lengthwise of power brick 200, just at least comprise, cathode pole piece, further, female pole piece 215 can also comprise some functional pole pieces, the communication pole piece of transfer of data is such as realized with the control circuit in charger or instrument, detect the detection pole piece of power brick 200 internal temperature, identify identification pole piece of the kind of power brick 200 etc.
Power brick housing 201 entirety is in ship type, coated with outside battery unit 203 and power brick electrode terminal 205, position corresponding with female pole piece 215 on power brick housing 201 is provided with opening 207, when power brick 200 is mounted to charger 100, the public pole piece 15 of charger electrode terminal 5 enters in power brick housing by opening 207, contacts with female pole piece of power brick electrode terminal 205.
Power brick housing 201 is provided with chute 211, for suitable with the slide rail 13 on charger, guides power brick 200 to move until the second place along the installation direction preset.
Power brick housing 201 is provided with protruding 209, for triggering the switch element 7 on charger 100.The outside lengthwise in direction that protruding 209 surfaces being provided with opening 207 on power brick housing 201 are mounted to charger 100 along power brick 200 extends, have with charger shell 1 on second to cave in 17 shape matched and sizes.When power brick 200 is mounted to charger 100, the position of protruding 209 and second on charger shell 1 cave in 17 position corresponding.
Please also refer to Fig. 1, Fig. 6 and Fig. 7, when power brick 200 is in the primary importance be separated with charger 100, trigger element 19 is not triggered in the second depression 17, switch element 7 is in off-state, without being electrically connected between charge circuit 3 and described charger electrode terminal 5, the charger electrode terminal 5 exposing to charger shell 1 is not charged.
Power brick 200 is coupled in the process of charger 100 and when power brick 200 is in the second place connected reliably with charger 100, protruding 209 and second cave in 17 corresponding, protruding 209 cave in the process of 17 in insertion second, trigger element 19 is depressed towards charger shell 1 inside by protruding 209, when trigger element 19 is triggered, switch element 7 closes, electric connection between charge circuit 4 and charger electrode terminal 5 is switched on, now charger electrode terminal 5 is contained in the inner space that charger and power brick are connected to form completely, can not be touched by user, avoid the danger bringing electric shock to user.
When power brick 200 is separated from charger 100, protruding 209 leave in the second depression 17, trigger element 19 automatically resets to the state be not triggered under the effect of flexible member, switch element 7 returns to off-state, without being electrically connected between charge circuit 3 and described charger electrode terminal 5, the charger electrode terminal 5 exposing to charger shell 1 is not charged.Make user can not touch charged charger electrode terminal all the time, avoid user and cause because of touching charger electrode terminal getting an electric shock.
What it may occur to persons skilled in the art that is; the present invention can also have other implementation; as long as but its technical spirit adopted is identical with the present invention or close, or any easy full of beard of making based on the present invention and change and replace all within protection scope of the present invention.
Claims (10)
1. a charger, for charging for power brick, comprising:
Charger shell, is formed with internal chamber;
Charge circuit, is contained in described internal chamber, produces charging current;
Charger electrode terminal, is connected with described charge circuit, for transmitting described charging current to described power brick;
It is characterized in that, described charger also comprises:
Be arranged in series the switch element between described charge circuit and described charger electrode terminal, when described switch element is not triggered, connection between described charge circuit and described charger electrode terminal disconnects, when described switch element is triggered, the connection conducting between described charge circuit and described charger electrode terminal.
2. charger according to claim 1, is characterized in that: described switch element is sensitive switch.
3. charger according to claim 2, is characterized in that: described sensitive switch is double break type sensitive switch.
4. charger according to claim 1, it is characterized in that: described charger shell comprises the first depression and the second depression, described first depression is for accommodating at least part of described power brick, the opening of described second depression on the surface being arranged at described first depression extends to described charger shell inside, described switch element comprise in described internal chamber through described charger shell extend to described second cave in and do not cross the trigger element of described opening.
5. charger according to claim 4, is characterized in that: the greatest width dimension of described opening is not more than 3 millimeters.
6. charger according to claim 1, is characterized in that: the charging voltage that described charger provides is not less than 40V.
7. a charging system, comprises charger and power brick, it is characterized in that:
Described charger comprises: charger shell, is formed with internal chamber; Charge circuit, is contained in described internal chamber, produces charging current; Charger electrode terminal, is connected with described charge circuit, for transmitting described charging current to described power brick; Switch element, is arranged in series between described charge circuit and described charger electrode terminal, controls the connection between described charge circuit and described charger electrode terminal;
Described power brick comprises: power brick housing; Battery unit, is contained in described power brick enclosure interior; And power brick terminal, be connected with described battery unit, receive the charging current that described charger electrode terminal transmits;
Described power brick has the primary importance be separated with described charger and the second place connected with described charger, when described power brick is positioned at primary importance, described switch element disconnects, connection between described charge circuit and described charger electrode terminal disconnects, when described power brick is positioned at the second place, described switch element closes, the connection conducting between described charge circuit and described charger electrode terminal.
8. charging system according to claim 7, it is characterized in that: described charger shell be provided with the first depression of at least part of described power brick of collecting and accommodate the second depression of described switch element at least partly, described power brick housing is provided with the projection for triggering described switch element, when described power brick is positioned at the second place, described projection is contained in described second depression completely.
9. charging system according to claim 7, is characterized in that: when described power brick is separated from described charger, described switch element automatically resets to off-state.
10. charging system according to claim 7, is characterized in that: when described switch element closes, and described charger electrode terminal is contained in the inner space that described charger and described power brick are connected to form completely.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208983.8A CN104578231B (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
| CN201711422063.6A CN108206567A (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474564 | 2013-10-12 | ||
| CN2013104745644 | 2013-10-12 | ||
| CN201410208983.8A CN104578231B (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711422063.6A Division CN108206567A (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104578231A true CN104578231A (en) | 2015-04-29 |
| CN104578231B CN104578231B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420252705.8U Active CN203871894U (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 |
| CN201711422063.6A Pending CN108206567A (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420252705.8U Active CN203871894U (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711422063.6A Pending CN108206567A (en) | 2013-10-12 | 2014-05-16 | Charger and charging system |
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| CN (3) | CN203871894U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106374598A (en) * | 2016-10-13 | 2017-02-01 | 江苏苏美达五金工具有限公司 | Charging method and charger applied to high-voltage battery pack |
| CN108539827A (en) * | 2018-05-25 | 2018-09-14 | 天佑电器（苏州）有限公司 | Charger and the battery pack being used cooperatively with it |
| CN110954837A (en) * | 2019-12-17 | 2020-04-03 | 常州格力博有限公司 | Battery pack diagnostic instrument |
| WO2021110096A1 (en) * | 2019-12-05 | 2021-06-10 | 苏州宝时得电动工具有限公司 | Recharge stand, battery system and electric tool |
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| CN203871894U (en) * | 2013-10-12 | 2014-10-08 | 苏州宝时得电动工具有限公司 | Charger and charging system |
| CN106160037B (en) * | 2015-03-30 | 2018-09-28 | 南京德朔实业有限公司 | Charger and with the charger charging combination |
| CN106997941A (en) * | 2016-01-25 | 2017-08-01 | 罗新平 | It rechargeable battery structure |
| CN109068220B (en) * | 2018-09-03 | 2020-11-03 | 歌尔股份有限公司 | Earphone, earphone charging box and earphone set |
| WO2020172845A1 (en) * | 2019-02-27 | 2020-09-03 | Gp Batteries International Limited | A device for managing rechargeable batteries and a battery charging system comprising said device |
| CN111313504A (en) * | 2020-03-28 | 2020-06-19 | 南京滨德科技有限公司 | Multi-head charging system for myofascial gun battery pack and battery charging system |
| CN114914755B (en) * | 2021-02-10 | 2023-08-11 | 苏州宝时得电动工具有限公司 | Adapter, electrical device system and method of operating the same |
| CN113495220B (en) * | 2021-08-18 | 2024-02-27 | 广东电网有限责任公司东莞供电局 | Storage battery testing device and testing method |
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| CN203871894U (en) * | 2013-10-12 | 2014-10-08 | 苏州宝时得电动工具有限公司 | Charger and charging system |
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| CN106374598A (en) * | 2016-10-13 | 2017-02-01 | 江苏苏美达五金工具有限公司 | Charging method and charger applied to high-voltage battery pack |
| CN106374598B (en) * | 2016-10-13 | 2019-06-04 | 江苏苏美达五金工具有限公司 | Charging method and charger applied to high-tension battery packet |
| CN108539827A (en) * | 2018-05-25 | 2018-09-14 | 天佑电器（苏州）有限公司 | Charger and the battery pack being used cooperatively with it |
| CN108539827B (en) * | 2018-05-25 | 2024-03-08 | 天佑电器（苏州）有限公司 | Charger and battery pack matched with same |
| WO2021110096A1 (en) * | 2019-12-05 | 2021-06-10 | 苏州宝时得电动工具有限公司 | Recharge stand, battery system and electric tool |
| CN110954837A (en) * | 2019-12-17 | 2020-04-03 | 常州格力博有限公司 | Battery pack diagnostic instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104578231B (en) | 2017-12-01 |
| CN203871894U (en) | 2014-10-08 |
| CN108206567A (en) | 2018-06-26 |
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