CN114448008A - Multi-slot charger and charging system - Google Patents

Multi-slot charger and charging system Download PDF

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Publication number
CN114448008A
CN114448008A CN202110592720.1A CN202110592720A CN114448008A CN 114448008 A CN114448008 A CN 114448008A CN 202110592720 A CN202110592720 A CN 202110592720A CN 114448008 A CN114448008 A CN 114448008A
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CN
China
Prior art keywords
battery pack
charging
interface
slot
slot charger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110592720.1A
Other languages
Chinese (zh)
Inventor
刘传君
罗明
李保安
庄宪
严安
霍晓辉
李志远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Globe Jiangsu Co Ltd
Original Assignee
Globe Jiangsu Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202011228201.9A external-priority patent/CN112259866A/en
Application filed by Globe Jiangsu Co Ltd filed Critical Globe Jiangsu Co Ltd
Priority to AU2022282142A priority Critical patent/AU2022282142A1/en
Priority to PCT/CN2022/087124 priority patent/WO2022247517A1/en
Priority to EP22810250.5A priority patent/EP4350866A1/en
Priority to CA3220576A priority patent/CA3220576A1/en
Publication of CN114448008A publication Critical patent/CN114448008A/en
Priority to US18/519,071 priority patent/US20240088506A1/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4285—Testing apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/446—Initial charging measures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/448—End of discharge regulating measures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a multi-slot charger and a charging system, wherein the multi-slot charger comprises: the battery pack comprises a body, a plurality of battery pack accommodating parts and a first matching interface, wherein the body is provided with the battery pack accommodating parts, and each battery pack accommodating part is provided with the first matching interface which is matched with the second matching interface on each battery pack for mounting; a charging interface disposed on the battery pack accommodating part; the power supply interface is arranged on the body and comprises an input end and an output end, the input end is connected with an external power supply, and the output end is electrically connected with the charging interface; the charging interface is a Type-C interface. The invention can realize the simultaneous charging of a plurality of battery packs, and can also carry, move and store the battery packs, thereby effectively improving the working efficiency.

Description

Multi-slot charger and charging system
Technical Field
The invention relates to the technical field of battery charging, in particular to a multi-slot charger and a charging system.
Background
In recent years, with the development of battery material technology, the application range of lithium batteries has been greatly increased. Electric tools and garden tool products on the market are used in a large amount at present, in the garden machinery and power tool industries nowadays, a lithium battery pack is out of gear as a new power source to replace the traditional energy, the application of the lithium battery pack is more and more extensive, and the requirements on the endurance and charging time of the lithium battery pack are also more and more high.
However, the existing charger can only charge one by one, the charging time greatly affects the working efficiency, and a large number of battery packs need to be charged respectively, so that a large storage space is needed, which brings great trouble to production and processing. In addition, when charging, the current battery pack can only supply power to the electric devices with the same voltage through terminal charging, the output is single, the limitation is large, and the heat dissipation effect of the terminal charging is poor.
In view of the above, there is a need for an improved charger to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multi-slot charger and a charging system, so as to improve the problems that the conventional charger can only charge one by one, the charging time greatly influences the working efficiency, and the conventional battery pack can only supply power to electric devices with the same voltage through terminal charging, so that the output is single, the limitation is large, and the heat dissipation effect of terminal charging is poor.
The invention provides a multi-slot charger, comprising:
the battery pack comprises a body, a plurality of battery pack accommodating parts and a first matching interface, wherein the body is provided with the battery pack accommodating parts, and each battery pack accommodating part is provided with the first matching interface which is matched with the second matching interface on each battery pack for mounting;
a charging interface disposed on the battery pack accommodating part;
the power supply interface is arranged on the body and comprises an input end and an output end, the input end is connected with an external power supply, and the output end is electrically connected with the charging interface;
the interface that charges is Type-C interface.
In one embodiment of the invention, a limiting mechanism matched with the battery pack is arranged at the top edge of each battery pack accommodating part.
In an embodiment of the present invention, the limiting mechanism includes a mounting seat, a limiting member, a rotating shaft and a torsion spring, the mounting seat is mounted on the top edge of the battery pack accommodating portion, the rotating shaft is mounted on the mounting seat, the limiting member is connected to the rotating shaft, and the torsion spring is sleeved on the rotating shaft.
In one embodiment of the invention, a battery pack ejecting mechanism is further arranged at the bottom of each battery pack accommodating part.
In one embodiment of the invention, the battery pack ejecting structure comprises a spring and a bottom support, wherein one end of the spring is connected with the bottom of the battery pack accommodating part, and the other end of the spring is connected with the bottom of the bottom support.
In one embodiment of the invention, the battery pack ejecting mechanism is located at the middle position of the bottom, and the charging interface is located at one side of the bottom.
In one embodiment of the invention, the bottom middle position of the battery pack accommodating part is downwards sunken to form an ejection mechanism mounting cavity, and the battery pack ejection mechanism is mounted in the ejection mechanism mounting cavity.
In one embodiment of the invention, when the battery pack is installed in the battery pack accommodating part, the bottom support of the battery pack ejecting mechanism descends, the spring is compressed until the charging interface is connected with the Type-C interface at the bottom of the battery pack, and the battery pack is locked for charging under the action of the limiting mechanism; when the limiting part of the limiting mechanism is pressed, the limiting effect disappears, the bottom support is jacked up under the elastic action of the spring, and therefore the charging interface is separated from the Type-C interface at the bottom of the battery pack when the battery pack is jacked out.
In one embodiment of the invention, the body comprises a charging shell and a charging box, the charging box is positioned in the charging shell, and the plurality of battery pack accommodating parts are distributed on the charging box in a rectangular shape.
In one embodiment of the invention, the multi-slot charger further comprises a box cover, one side of the box cover is connected with the charging shell through a hinge, and the other end of the box cover is provided with a locking structure so as to lock the charging shell and the box cover together.
In one embodiment of the present invention, a gap is left between the bottom of the charging box and the bottom of the charging housing, and a circuit board is mounted in the gap and electrically connected to the charging interface at the bottom of each battery pack accommodating portion.
In an embodiment of the present invention, the charging housing is rectangular, and two short sides of the rectangular charging housing are both provided with notches formed from the top to the bottom of the charging housing, and the depths of the notches on the two short sides are different.
In one embodiment of the present invention, a plurality of battery pack accommodating portions arranged in a rectangular shape on the charging box are spaced apart from each other, and the gaps between the battery pack accommodating portions arranged in the short side direction are aligned with the notches on the two short sides of the charging housing.
In one embodiment of the invention, heat dissipation windows are mounted on two opposite sides of the charging housing.
In an embodiment of the present invention, a heat dissipation fan is installed at a notch with a deeper depth on the charging housing, and the bottom of the heat dissipation fan is flush with the top of the charging housing, and the heat dissipation window is disposed on the housing of the heat dissipation fan.
In an embodiment of the present invention, the power interface is located below the heat dissipation fan, and the power interface is fixedly installed at the bottom of the heat dissipation window and externally connected to a power supply.
In one embodiment of the invention, the rectangular charging shell is provided with a handheld part on two long sides for carrying.
The invention also provides a charging system, comprising;
the side surface of the battery pack is provided with a second matching interface;
a multi-slot charging device comprising:
the battery pack comprises a body, wherein a plurality of battery pack accommodating parts are arranged on the body, each battery pack accommodating part is provided with a first matching interface, and the first matching interfaces are matched and used for being matched and installed with second matching interfaces on each battery pack;
a charging interface disposed on the battery pack accommodating part;
the power supply interface is arranged on the body and comprises an input end and an output end, the input end is connected with an external power supply, and the output end is electrically connected with the charging interface;
the interface that charges is Type-C interface.
In one embodiment of the present invention, the first mating interface includes a protruding structure and a plurality of guide rails, and the plurality of guide rails are respectively located on two sides of the protruding structure.
In an embodiment of the invention, the second mating interface includes a groove structure and a plurality of sliding grooves, the plurality of sliding grooves are respectively located at two sides of the groove structure, when the battery pack is mounted in the battery pack accommodating portion, the groove structure is mated with the protrusion structure, and the sliding grooves are mated with the guide rails.
The invention provides a multi-slot charger and a charging system, wherein the multi-slot charger comprises a charging shell and a charging box, the charging box is positioned in the charging shell, the charging box comprises a plurality of battery pack accommodating parts which are distributed in a rectangular shape and are used for accommodating a plurality of battery packs at the same time, so that the charging of the plurality of battery packs can be realized, the battery packs can be moved and stored in a portable mode, the charging time is shortened, the working efficiency is effectively improved, the adaptability of the charger is further enhanced by charging through a Type-C interface, and the heat dissipation effect of the charger is improved. And through protruding structure with being equivalent to mutually supporting of slider and slide rail between the groove structure, can play the effect of direction to can make the Type-C interface of battery package bottom smooth and accurate with the Type-C articulate of battery package portion bottom, in order to charge.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a multi-slot charger according to the present invention.
Fig. 2 is a front view of the multiple slot charger of fig. 1.
Fig. 3 is a top view of the multiple slot charger of fig. 1.
Fig. 4 is a schematic structural diagram of a charging system according to an embodiment of the invention.
Fig. 5 is a front view of the battery pack of fig. 4 assembled with a multiple slot charger.
Fig. 6 is a schematic structural diagram of a multi-slot charger and a charging box in a charging system according to the present invention.
Fig. 7 is a schematic top view of the charging box proposed in fig. 6.
Fig. 8 is a schematic structural diagram of a charging housing of a multi-slot charger and a charging system according to the present invention.
Fig. 9 is a schematic partial structure diagram of a charging box of a multi-slot charger and a charging system according to the present invention.
Fig. 10 is another partial schematic view of a charging box of a multi-slot charger and charging system according to the present invention.
Fig. 11 is a left side view of the battery pack of fig. 4 assembled with a multiple slot charger.
Fig. 12 is a schematic structural diagram of a battery pack in a multi-slot charger and charging system according to the present invention.
Fig. 13 is a bottom view of the battery pack of fig. 12.
Fig. 14 is a schematic circuit diagram of a multi-slot charger according to the present invention.
Fig. 15 is a schematic circuit diagram of a battery pack according to the present invention.
Fig. 16 is a first schematic diagram of a battery pack charging process.
Fig. 17 is a second schematic diagram of a battery pack charging process.
Description of reference numerals:
a multi-slot charger 100; a charging housing 11; a first notch 111; a second notch 112; a heat radiation fan 113; a heat radiation window 114; a power supply interface 115; a hand-held portion 116; a charging box 12; a battery pack accommodating portion 121; a raised structure 1211; a guide rail 1212; a charging interface 122; an ejection mechanism mounting cavity 124; a spring 1231; a shoe 1232; a case cover 13; a hinge 101; a limiting mechanism 14; a mount 141; a stopper 142; a rotating shaft 143; a torsion spring 144; a battery pack 200; a Type-C interface 21; a limiting groove 22; a groove structure 23; a chute 24; an AD-DC module 1002; a DC-DC module 1003; a control and protocol module 1004; a detection unit 170; a main control unit 180; an activation unit 110; a full-bridge driving unit 1601; a full bridge power cell 1602; a Type-C charging protection unit 152; Type-C communication processing unit 192.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
In order to solve the problem that the conventional charger can only charge one by one, and the charging time greatly affects the working efficiency, the invention provides a multi-slot charger and a charging system, as shown in fig. 1 to 13, in this embodiment, the charging system includes a multi-slot charger 1000 and a battery pack 2000, and the multi-slot charger 100 can charge a plurality of battery packs 200 at the same time.
As shown in fig. 1 to 6, in the present embodiment, the multiple slot charger 100 includes a main body 10, a plurality of battery pack receiving portions 121 are disposed on the main body 10, and a first mating interface is disposed on each battery pack receiving portion 121, and the first mating interface is configured to be mounted in a mating manner with a second mating interface on each battery pack 200. Specifically, the body 10 includes a charging housing 11, a charging box 12 and a case cover 13, wherein the charging box 12 is located in the charging housing 11, and the upper side is sealed by the case cover 13. Specifically, the charging box 12 includes a plurality of battery pack accommodating portions 121, and the plurality of battery pack accommodating portions 121 are distributed in a rectangular shape, the number of the battery pack accommodating portions 121 is set to 2, 4, 6, 8 or 10 cavities, for example, in this embodiment, the number of the battery pack accommodating portions is preferably 6, and the battery pack accommodating portions are distributed in a rectangular shape, and gaps are left between the plurality of battery pack accommodating portions 121 distributed in a rectangular shape on the charging box 12, so as to facilitate heat dissipation.
As shown in fig. 1 to 10, in the present embodiment, a charging interface 122 and a battery pack ejecting mechanism are disposed on the battery pack accommodating portion 121, preferably, the battery pack ejecting mechanism is located at a middle position of the bottom of the battery pack accommodating portion 121, the charging interface 122 is located at one side of the bottom of the battery pack accommodating portion 121, specifically, the charging interface 122 is a Type-C interface, the middle position of the bottom of the battery pack accommodating portion 121 is recessed downward to form an ejecting mechanism mounting cavity 124, and the battery pack ejecting mechanism is mounted in the ejecting mechanism mounting cavity 124, in the present embodiment, the battery pack ejecting mechanism includes a spring 1231 and a base 1232, one end of the spring 1231 is connected to the bottom of the battery pack accommodating portion 124, the other end of the spring is connected to the bottom of the base 1232, the charging interface 122 is connected to the Type-C interface 21 at the bottom of the battery pack 200, and locks the battery pack 200 for charging by means of the stopper mechanisms 14, the stopper mechanisms 14 being installed at the top edges of the battery pack accommodating portions 121, and each battery pack accommodating portion 121 corresponding to one stopper mechanism 14 and one battery pack ejecting mechanism 12.
As shown in fig. 1 to 10, in the present embodiment, the limiting mechanism 14 includes a mounting seat 141, a limiting member 142, a rotating shaft 143, and a torsion spring 144, the mounting seat 141 is mounted on the top edge of the battery pack accommodating portion 121, the rotating shaft 143 is mounted on the mounting seat 141, the limiting member 142 is connected to the rotating shaft 143, the torsion spring 144 is sleeved on the rotating shaft 143, when the battery pack 200 is mounted for charging, the limiting member 142 is pressed and then rotates along with the rotating shaft 143, the torsion spring 144 is compressed, until the battery pack 200 is mounted in place for charging, the limiting member 142 is reset under the action of the torsion spring 144 and matches with the limiting groove 22 on the side surface of the housing of the battery pack 200 to lock the battery pack 200, when the battery pack 200 is to be taken out, the limiting member 142 is pressed to disengage from the limiting groove 22, the limiting function is lost, so that the battery pack 200 is ejected out under the action of the battery pack ejecting mechanism, and the battery pack 200 is taken out.
As shown in fig. 1 to 10, specifically, when the battery pack 200 is installed in the battery pack accommodating portion 121, the bottom bracket 1232 of the battery pack ejecting mechanism is lowered, and the spring 1231 is compressed until the charging interface 122 is connected to the Type-C interface 21, and the battery pack 200 is locked for charging by the limiting mechanism 14; after the limiting member 141 of the limiting mechanism 14 is pressed, the limiting function disappears, and the bottom support 1232 is jacked up under the elastic force of the spring 1231, so that the charging interface 122 is separated from the Type-C interface 21 while the battery pack 200 is jacked out.
As shown in fig. 1, in the present embodiment, the multiple-slot charger 100 further includes a cover 13, one side of the cover 13 is connected to the charging housing 11 through a hinge 101, and the other end is provided with a locking structure to lock the charging housing 11 and the cover 13 together. In the present embodiment, a gap is left between the bottom of the charging box 12 and the bottom of the charging housing 11, and a circuit board (not shown) is installed in the gap and electrically connected to the charging interface 122 at the bottom of each battery pack accommodating portion 121.
As shown in fig. 1 to 8, in this embodiment, the charging housing 11 is, for example, rectangular, and two short sides of the charging housing 11 of the rectangular shape are both provided with a notch formed from the top to the bottom of the charging housing 11, and the depths of the notches on the two short sides are different, specifically, in this embodiment, the notch with the deeper depth is defined as a first notch 111, the notch with the shallower depth is defined as a second notch 112, a gap is left between the plurality of battery pack accommodating portions 121 distributed in the rectangular shape on the charging box 12, and the gap between the battery pack accommodating portions 121 arranged along the direction of the short sides is right opposite to the first notch 111 and the second notch 112 on the two short sides of the charging housing 11, so as to dissipate heat.
As shown in fig. 1 to 8, in this embodiment, a heat dissipation fan 113 is installed at a deep notch on the charging housing 11, and a top of the heat dissipation fan 113 is flush with a top of the charging housing 11, specifically, the heat dissipation fan 113 is installed on the first notch 111, and heat dissipation is achieved by an action of the heat dissipation fan 113. In addition, in this embodiment, the heat dissipation windows 114 are installed on two opposite sides of the charging housing 11, specifically, the heat dissipation windows 114 are installed at the first notch 111 and the second notch 112 respectively, and the heat dissipation fan 113 is located in the heat dissipation window 114, so as to protect the heat dissipation fan 113 and cover the first notch 111.
In addition, as shown in fig. 1 to fig. 11, in the present embodiment, a power interface 115 is installed on the charging housing 11, the power interface 115 includes an input end and an output end, the input end is connected to an external power source, and the output end is electrically connected to the charging interface 122. The power interface 115 is connected to the circuit board between the bottom of the charging box 12 and the bottom of the charging housing 11, specifically, the power interface 115 is preferably located below the heat dissipation fan 113, and the power interface 115 is fixedly mounted at the bottom of the heat dissipation window 114 and is externally connected to a power supply. And, two long sides of the rectangular charging housing 11 are provided with handholds 116 for easy carrying.
Specifically, as shown in fig. 1 to 13, in an embodiment of the present invention, the first mating interface includes a protruding structure 1211 and a plurality of guide rails 1212, and the plurality of guide rails 1212 are respectively located at two sides of the protruding structure 1211. The second mating interface includes a groove structure 23 and a plurality of sliding grooves 24, the sliding grooves 24 are respectively located at two sides of the groove structure 23, when the battery pack 200 is mounted in the battery pack accommodating portion 121, the groove structure 23 mates with the protrusion structure 1211, and the sliding grooves 24 mate with the guide rail 1211. The protruding structure 1211 and the groove structure 23 are equivalent to the mutual matching between the sliding block and the sliding rail, and the guiding rail 1212 and the sliding groove 24 are matched with each other to play a guiding role, so that the Type-C interface 21 at the bottom of the battery pack 200 can be smoothly and accurately connected with the charging interface 122 at the bottom of the battery pack accommodating part 121 to perform charging.
As shown in fig. 14, in the present embodiment, the multi-slot charger 100 includes an AD-DC module 1002, a plurality of DC-DC modules 1003, a plurality of charging interfaces 122, and a control and protocol module 1004, one DC-DC module 1003 and one charging interface 122 per battery pack receiving part 121, in this embodiment, the number of the DC-DC module 1003 and the plurality of charging interfaces 122 is set to 6, for example, that is, the AD-DC module 1002 is connected to 6 DC-DC modules 1003, each DC-DC module 1003 is connected to a charging interface 122, the control and protocol module 1004 is connected to each DC-DC module 1003 and the charging interface 122 respectively, the AD-DC module 1002 is used for converting alternating current into direct current, and the DC-DC module 1003 is used for giving appropriate charging voltage according to signals of the control chip; the control and protocol module 1004 is used for controlling the whole charging system, analyzing the protocol of each Type-C port and controlling charging, the multi-slot charger judges whether a battery pack is accessed according to the CC signal of the Type-C connector, and can judge which battery pack is accessed, each Type-C port corresponds to one DC-DC module 1003, and the corresponding DC-DC module 1003 is started after the CC signal is used for shaking hands successfully, so that the battery is charged through Type-C.
As shown in fig. 15 to 17, in the present embodiment, each of the battery packs 200 corresponds to one battery pack accommodating portion 121, the battery pack 200 includes a detection unit 170, a main control unit 180, an activation unit 110, a key, a full-bridge driving unit 1601, a full-bridge power unit 1602, a Type-C charging protection unit 152, a Type-C communication processing unit 192, and a charging interface 21, wherein the detection unit 170 is connected to the main control unit 180 and is configured to detect a single-cell voltage in the electric core pack, an input/output voltage of a Type-C circuit, a circuit current, a power device temperature, and the like, and a temperature of the electric core pack, and the like, and transmit the detection result to the main control unit 180; the activation unit 110 is respectively connected with the Type-C communication processing unit 192 and the main control unit 180, the KEY is connected with the activation unit 110, the activation unit 110 receives an activation signal from the outside, the activation signal comprises a KEY signal (KEY) and a CC signal, the power-on action of the main control unit 180 is completed, after the power-on action of the main control unit is completed, the CC signal is switched to a communication loop with the auxiliary control unit from the activation loop, and the main control unit 180 starts to normally communicate with the peripheral equipment; the main control unit 180 is further connected with the full-bridge driving unit 1601, the Type-C communication processing unit 192 and the Type-C charging and discharging protection unit, and is configured to receive data information of the detection unit 170 and related instructions of the main control unit 180, and Type-C loop charging and discharging protection instructions, and execute a power-off sleep operation; full-bridge drive unit 1601 connects full-bridge power unit 1602 and Type-C charge and discharge protection unit respectively, and full-bridge power unit 1602 and full-bridge drive unit 1601 constitute the step-up and step-down module in Type-C return circuit jointly, and main control unit 180 passes through CC signal and communicates with Type-C interface external equipment, confirms the input \ output voltage of current circuit, and after confirming, the pressure regulating work is just accomplished by full-bridge drive unit 1601, just Type-C charge and discharge protection unit with Type-C communication processing unit 192 connects Type-C connects 21, Type-C interface 21 with charge interface 122 and connect in order to realize charging, and Type-C charge and discharge protection unit receives the protection instruction from main control unit 180, accomplishes the charge and discharge protection action in Type-C return circuit.
It should be understood that the battery pack is provided with the Type-C interface, the inner side is provided with the electric core group, the Type-C power supply loop is a whole charging/discharging loop from the Type-C interface to the electric core group, a plurality of electric cores inside the electric core group form the electric core group loop, and a controllable switch can be arranged in the charging/discharging loop in practical application, so that the activation or closing function of the Type-C power supply loop is realized.
As shown in fig. 15 to 17, in this embodiment, the multi-slot charger end may determine, through the CC signal, which port has the battery pack to access, and activate the accessed battery pack through the CC signal, after the battery pack is activated, the multi-slot charger may perform communication handshake through the CC signal, and after the handshake succeeds, the corresponding DC-DC module 1003 may be turned on, so as to implement the charger for the battery. The battery pack charging control flow is as follows:
after the battery pack is connected to the charger, the CC signal activates the battery pack, the battery pack performs charging handshake with the multi-slot charger after being activated, and the battery pack enters a charging management mode after the handshake is successful;
when the battery enters a charging management mode, the main control unit 180 sends a PWM control signal to the full-bridge driving unit 1601, and the full-bridge driving unit 1601 provides a proper charging voltage according to the PWM signal;
meanwhile, the main control unit 180 monitors the discharge voltages VBUS and VIN and the charging current in real time;
when the charging voltage and the charging current are abnormal, the main control unit 180 adjusts in real time, judges whether the abnormality still exists after 5 times of adjustment, stops charging if the abnormality exists, and otherwise charges normally;
in the Type-C port normal charging mode, the main control unit 180 monitors the battery state including voltage, current and cell temperature in real time, and stops charging when the voltage or temperature of a single cell is abnormal, otherwise, the battery is charged normally;
meanwhile, the electric quantity calculation module can calculate the electric quantity of the battery in real time, and when the SOC is 100%, the charging is stopped.
The invention provides a multi-slot charger and a charging system, wherein the multi-slot charger comprises a charging shell and a charging box, the charging box is positioned in the charging shell, and the charging box comprises a plurality of battery pack accommodating parts which are distributed in a rectangular shape and are used for accommodating a plurality of battery packs simultaneously, so that the charging of the plurality of battery packs can be realized simultaneously, the battery packs can be moved and stored in a portable mode, the charging time is shortened, and the working efficiency is effectively improved.
The above description is only a preferred embodiment of the present application and a description of the applied technical principle, and it should be understood by those skilled in the art that the scope of the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above technical features (but not limited to) having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.

Claims (20)

1. A multiple slot charger, comprising:
the battery pack comprises a body, wherein a plurality of battery pack accommodating parts are arranged on the body, a first matching interface is arranged on each battery pack accommodating part, and the first matching interfaces are matched and used for being matched and installed with second matching interfaces on each battery pack;
a charging interface disposed on the battery pack accommodating part;
the power supply interface is arranged on the body and comprises an input end and an output end, the input end is connected with an external power supply, and the output end is electrically connected with the charging interface;
the interface that charges is Type-C interface.
2. The multiple-slot charger according to claim 1, wherein a top edge of each of said battery pack receiving portions is provided with a stopper mechanism for engaging with said battery pack.
3. The multiple-slot charger according to claim 2, wherein the limiting mechanism comprises a mounting seat, a limiting member, a rotating shaft and a torsion spring, the mounting seat is mounted on the top edge of the battery pack accommodating portion, the rotating shaft is mounted on the mounting seat, the limiting member is connected to the rotating shaft, and the torsion spring is sleeved on the rotating shaft.
4. A multiple slot charger as defined in claim 1, wherein a battery pack ejecting mechanism is further provided at a bottom portion of each of said battery pack receiving portions.
5. The multiple slot charger of claim 4, wherein the battery pack ejection structure includes a spring and a shoe, the spring having one end connected to the bottom of the battery pack receiving portion and another end connected to the bottom of the shoe.
6. The multiple slot charger of claim 4, wherein the battery pack ejection mechanism is located at a middle position of the bottom portion, and the charging interface is located at one side of the bottom portion.
7. The multiple slot charger according to claim 4, wherein a bottom middle position of the battery pack accommodating portion is recessed downward to form an ejection mechanism mounting cavity, and the battery pack ejection mechanism is mounted in the ejection mechanism mounting cavity.
8. The multiple slot charger according to claim 2 or 4, wherein when the battery pack is installed in the battery pack accommodating portion, the bottom support of the battery pack ejecting mechanism is lowered, the spring is compressed until the charging interface is connected with a Type-C interface at the bottom of the battery pack, and the battery pack is locked for charging under the action of the limiting mechanism; when the limiting part of the limiting mechanism is pressed, the limiting effect disappears, the bottom support is jacked up under the elastic action of the spring, and therefore the charging interface is separated from the Type-C interface at the bottom of the battery pack when the battery pack is jacked out.
9. The multiple-slot charger according to claim 1, wherein the body comprises a charging housing and a charging box, the charging box is located in the charging housing, and the plurality of battery pack accommodating portions are distributed on the charging box in a rectangular shape.
10. The multiple-slot charger according to claim 9, further comprising a cover, wherein the cover is hinged to the charging housing on one side and has a locking structure on the other side to lock the charging housing and the cover together.
11. The multiple-slot charger according to claim 9, wherein a gap is left between the bottom of the charging box and the bottom of the charging housing, a circuit board is mounted in the gap, and the circuit board is electrically connected to the charging interface at the bottom of each battery pack accommodating portion.
12. The multiple-slot charger according to claim 9, wherein the charging housing is rectangular, and the rectangular charging housing has two short sides each having a notch formed from the top to the bottom of the charging housing, and the notches have different depths.
13. The multiple slot charger according to claim 12, wherein a gap is left between each of the plurality of battery pack receiving portions arranged in a rectangular shape on the charging box, and the gaps between the battery pack receiving portions arranged in the short side direction are aligned with the notches on the two short sides of the charging housing.
14. The multiple slot charger of claim 13, wherein heat dissipating windows are mounted on opposite sides of said charging housing.
15. The multiple slot charger according to claim 14, wherein a heat dissipation fan is installed at a deep notch of the charging housing, and a bottom of the heat dissipation fan is flush with a top of the charging housing, and the heat dissipation fan is covered with the heat dissipation window.
16. The multiple-slot charger according to claim 14, wherein the power interface is located below the heat dissipation fan, and the power interface is fixedly installed at the bottom of the heat dissipation window and externally connected with a power supply.
17. The multiple-slot charger according to claim 9, wherein a handle is provided on both long sides of the rectangular charging housing for easy handling.
18. An electrical charging system, comprising;
the side surface of the battery pack is provided with a second matching interface;
a multi-slot charging device comprising:
the battery pack comprises a body, wherein a plurality of battery pack accommodating parts are arranged on the body, a first matching interface is arranged on each battery pack accommodating part, and the first matching interfaces are matched and used for being matched and installed with second matching interfaces on each battery pack;
a charging interface disposed on the battery pack accommodating part;
the power supply interface is arranged on the body and comprises an input end and an output end, the input end is connected with an external power supply, and the output end is electrically connected with the charging interface;
the interface that charges is Type-C interface.
19. The charging system of claim 18, wherein said first mating interface includes a raised structure and a plurality of rails, said rails being disposed on opposite sides of said raised structure.
20. A charging system according to claim 19, wherein said second mating interface includes a groove structure and a plurality of sliding grooves, said plurality of sliding grooves are respectively located at two sides of said groove structure, said groove structure is engaged with said protrusion structure when said battery pack is mounted in said battery pack receiving portion, and said sliding grooves are engaged with said guide rail.
CN202110592720.1A 2020-11-06 2021-05-28 Multi-slot charger and charging system Pending CN114448008A (en)

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AU2022282142A AU2022282142A1 (en) 2021-05-28 2022-04-15 Battery pack, electric tool system, and charging system
PCT/CN2022/087124 WO2022247517A1 (en) 2021-05-28 2022-04-15 Battery pack, electric tool system, and charging system
EP22810250.5A EP4350866A1 (en) 2021-05-28 2022-04-15 Battery pack, electric tool system, and charging system
CA3220576A CA3220576A1 (en) 2021-05-28 2022-04-15 Battery pack, power tool system, and charging system
US18/519,071 US20240088506A1 (en) 2021-05-28 2023-11-27 Battery pack, power tool system and charging system

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CN202011228201.9A CN112259866A (en) 2020-11-06 2020-11-06 Battery pack, electric tool and system
CN2020225449449 2020-11-06
CN202022544944 2020-11-06
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CN202121189300.0U Active CN215911524U (en) 2020-11-06 2021-05-28 Electric tool system
CN202110598060.8A Active CN114447457B (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
CN202110592720.1A Pending CN114448008A (en) 2020-11-06 2021-05-28 Multi-slot charger and charging system
CN202110596769.4A Active CN114447450B (en) 2020-11-06 2021-05-28 Backpack type battery pack, charge and discharge control method and charge and discharge combination
CN202110592719.9A Pending CN114448007A (en) 2020-11-06 2021-05-28 Adaptation device and charging system
CN202110599056.3A Pending CN114448012A (en) 2020-11-06 2021-05-28 Charging and discharging communication control system and method and battery pack
CN202110594839.2A Pending CN114448009A (en) 2020-11-06 2021-05-28 Battery pack, electric tool system and system
CN202110599310.XA Pending CN114530900A (en) 2020-11-06 2021-05-28 Charger, battery pack, charging combination and charging method
CN202110596483.6A Pending CN114448010A (en) 2020-11-06 2021-05-28 Charging and discharging control system and method and battery pack
CN202121182145.XU Active CN218939916U (en) 2020-11-06 2021-05-28 Waterproof battery pack
CN202121189483.6U Active CN218939917U (en) 2020-11-06 2021-05-28 Battery pack, electric tool system and system
CN202121186466.7U Active CN218919168U (en) 2020-11-06 2021-05-28 Battery pack, power supply system and tool system
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CN202110599056.3A Pending CN114448012A (en) 2020-11-06 2021-05-28 Charging and discharging communication control system and method and battery pack
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CN218548687U (en) 2023-02-28
CN215911524U (en) 2022-02-25
CN114448009A (en) 2022-05-06
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CN114447507A (en) 2022-05-06
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CN215419646U (en) 2022-01-04
CN218919168U (en) 2023-04-25
CN218939917U (en) 2023-04-28
CN114447533A (en) 2022-05-06
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CN214797631U (en) 2021-11-19
CN215418445U (en) 2022-01-04
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CN114530900A (en) 2022-05-24
CN114447450B (en) 2024-08-02
CN114448012A (en) 2022-05-06
CN114448011A (en) 2022-05-06
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CN114447507B (en) 2023-03-10
CN114530899A (en) 2022-05-24

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