CN218449546U

CN218449546U - Charging device

Info

Publication number: CN218449546U
Application number: CN202222345044.0U
Authority: CN
Inventors: 谢悦
Original assignee: Shenzhen SF Taisen Holding Group Co Ltd
Current assignee: Shenzhen SF Taisen Holding Group Co Ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-02-03
Anticipated expiration: 2032-09-02

Abstract

The application provides a charging device, this charging device includes the cabinet body, battery and circuit board. The cabinet body is provided with a plurality of charging clamping grooves, and conductive contacts are arranged in the charging clamping grooves; the storage battery is arranged in the cabinet body and is provided with a charging terminal and a discharging terminal, and the charging terminal is used for being electrically connected with an external power supply; the circuit board is arranged in the cabinet body and is electrically connected with the discharging terminal of the storage battery, a voltage converter and a plurality of output terminals are further arranged on the circuit board, and the output terminals are electrically connected with the voltage converter and are respectively and correspondingly electrically connected with the conductive contacts one to one. The application provides a charging device can solve current PDA battery when batch charging, because the electric wire is too much and intertwine and lead to the technical problem that has the potential safety hazard easily.

Description

Charging device

Technical Field

The application relates to the technical field of charging, in particular to a charging device.

Background

With the popularization of online shopping and the increasing of express delivery, the logistics express delivery industry starts to adopt logistics PDA (also called hand-held terminal, bargun and the like) to improve the working efficiency, and especially in large-scale logistics centers, the use amount of the PDA is larger.

However, when the existing PDA battery needs to be charged, one battery is charged by one charger, and when the number of the PDA batteries needing to be charged is large, the problems of too many wires, mutual winding, disordered placement of a plurality of chargers, large occupied area and the like occur in a battery charging area, so that potential safety hazards are easily caused.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a charging device to solve the technical problem that potential safety hazards exist due to the fact that wires are too many and are wound mutually easily when an existing PDA battery is charged in batches.

In order to achieve the above purpose, the charging device provided by the present application includes a cabinet, a storage battery, and a circuit board. The cabinet body is provided with a plurality of charging clamping grooves, and conductive contacts are arranged in the charging clamping grooves; the storage battery is arranged in the cabinet body and is provided with a charging terminal and a discharging terminal, and the charging terminal is used for being electrically connected with an external power supply; the circuit board is arranged in the cabinet body and is electrically connected with the discharging terminal of the storage battery, a voltage converter and a plurality of output terminals are further arranged on the circuit board, and the output terminals are electrically connected with the voltage converter and are respectively and correspondingly electrically connected with the conductive contacts one to one.

Optionally, in an embodiment, the surface of the cabinet body is further provided with a plurality of electric quantity indicators, and the plurality of electric quantity indicators correspond to the plurality of charging card slots one to one; the circuit board is also provided with a singlechip, and the plurality of output terminals and the plurality of electric quantity indicators are respectively electrically connected with the singlechip.

Optionally, in an embodiment, the electric quantity indicator is a digital display screen.

Optionally, in an embodiment, the cabinet body has a front surface and a rear surface opposite to each other, and the front surface and the rear surface are both provided with a plurality of the charging card slots.

Optionally, in an embodiment, the plurality of charging card slots on the front surface and the plurality of charging card slots on the rear surface are arranged in a one-to-one manner.

Optionally, in an embodiment, the charging slot is configured to accommodate a battery to be charged, and a first heat dissipation plate is further disposed in the charging slot and is configured to contact a surface of the battery to be charged.

Optionally, in an embodiment, the charging card slot is a square slot and has a top surface, a bottom surface and a side surface between the top surface and the bottom surface; the surface areas of the top surface and the bottom surface of the charging slot are larger than the surface area of the side surface, and the first heat dissipation plate is arranged on the top surface or the bottom surface; and/or the first heat dissipation plate is of an annular structure and is used for surrounding the periphery of the battery to be charged.

Optionally, in an embodiment, a second heat dissipation plate is further disposed on a surface of the cabinet, and each of the first heat dissipation plates is connected to the second heat dissipation plate through a heat conduction line.

Optionally, in an embodiment, the cabinet has opposite front and rear surfaces, and opposite first and second sides; the front surface and the rear surface are respectively provided with a plurality of rows of the charging clamping grooves, and the first side face and the second side face are both provided with the second heat dissipation plates.

Optionally, in an embodiment, a length of the second heat dissipation plate is not less than a height of the cabinet, and/or a width of the second heat dissipation plate is not less than a width of the cabinet.

The application provides a charging device is through setting up a plurality of charging card grooves on a cabinet body, at the internal battery that sets up of cabinet, the battery passes through a plurality of output terminal on the circuit board and is connected with a plurality of conductive contact one-to-one in a plurality of charging card grooves electricity, and then when needing to charge for a plurality of PDA batteries simultaneously, only need place a plurality of PDA battery one-to-one in a plurality of charging card grooves, the internal battery of cabinet can charge for each PDA battery through conductive contact.

That is, when charging for a plurality of PDA batteries through this application charging device, need not adopt a plurality of chargers and many charging wires, only need through a charger and a charging wire for the internal battery charging of cabinet can, effectual solved current PDA battery when charging in batches, lead to the technical problem who has the potential safety hazard because the electric wire is too much and intertwine easily.

In addition, in this application charging device, a plurality of output terminals on the circuit board all are connected with the voltage converter electricity, and a plurality of output terminals are connected with a plurality of conductive contact one-to-one electricity respectively again, and a voltage converter is shared when being equivalent to a plurality of PDA charge simultaneously, and then can simplify the structure, can practice thrift the cost again.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a charging device according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of another embodiment of a charging device according to the present application;

fig. 3 is a schematic structural diagram of a charging device according to another embodiment of the present disclosure.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)	Reference numerals	Name (R)
						10	Charging device	23	Electric quantity indicator	41	Voltage converter
20	Cabinet body	24	Front surface	42	Output terminal
						21	Charging card slot	25	Rear surface	43	Single chip microcomputer
211	The top surface	26	First side surface	50	First heat radiation plate
						212	Bottom surface	27	Second side surface	60	Second heat radiation plate
213	Side surface	30	Storage battery	70	Heat conducting wire
						22	Conductive contact	40	Circuit board	80	External power supply
90	Charging device	100	Charging wire

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a charging device to solve the problem that potential safety hazards exist due to the fact that wires are too many and are wound mutually easily when the existing PDA batteries are charged in batches. The following description will be made with reference to the accompanying drawings.

In the embodiment of the present application, as shown in fig. 1 to 3, the charging device 10 includes a cabinet 20, a storage battery 30, and a circuit board 40. Wherein, the cabinet body 20 roughly is the cuboid structure, so be convenient for the cabinet body 20 place on arbitrary plane to can pile up each other between a plurality of cabinet bodies 20, reduce and take up an area of the space. The size, material, and the like of the cabinet 20 are not limited herein, and may be selected according to actual conditions, for example, the size of the cabinet 20 may be designed according to the number of the logistics PDAs (Personal Digital assistants, also called hand-held terminals, barguns, and the like in the logistics express industry) used in the logistics center, and the cabinet 20 may be made of a material with light weight, water resistance, fire resistance, and the like.

In this embodiment, as shown in fig. 1, a plurality of charging card slots 21 are provided on the cabinet body 20, as shown in fig. 3, conductive contacts 22 are provided in the charging card slots 21, the conductive contacts 22 are generally formed by conductive metal, and may be in the shape of semicircular bumps, cylinders, grooves, etc., and the specific shape needs to be designed to be adapted to the conductive terminals on the PDA battery. The charging slot 21 is mainly used for accommodating a battery to be charged (in this application, a PDA battery is taken as an example), and when the PDA battery needs to be charged, the PDA battery can be taken off from the PDA device first, and then the PDA battery is inserted into the charging slot 21. Because the conductive terminals are typically exposed on the side 213 of the PDA battery, the PDA battery begins to charge when the conductive terminals on the PDA battery contact the conductive contacts 22 in the charging slot 21. Therefore, the size and shape of the charging slot 21 can be designed according to the size and shape of the PDA battery, for example, when the PDA battery is in a square shape, the charging slot 21 is designed to be a square slot and is just sized to hold the PDA battery. The number of the charging card slots 21 is not limited, and may be 4, 8, 16, 30, etc., and the specific number is designed according to actual conditions or according to the size of the cabinet 20.

Certainly, in some other embodiments, the PDA device is directly provided with a conductive terminal electrically connected to the PDA battery inside the PDA device, and the charging slot 21 needs to be designed to adapt to the size and shape of the PDA device, so that the whole PDA device can be placed into the charging slot 21 for charging.

As shown in fig. 3, the charging device 10 of the present application supplies power to each PDA battery through the storage battery 30, and specifically, the storage battery 30 is installed in the cabinet 20 and is provided with a charging terminal for electrically connecting with an external power source 80 and a discharging terminal. The storage battery 30 may be a lead-acid storage battery, a lithium manganate battery, a nickel-metal hydride battery, a lithium ion battery, etc., and the capacity of the storage battery 30 may be calculated according to the number of battery slots on the cabinet 20 and the capacity of a single PDA battery. For example, the capacity of one PDA battery is 5000 milliamperes, and 10 charging card slots 21 are provided on the cabinet body 20, and at this time, the capacity of the storage battery 30 may be designed to 50000 milliamperes or more than 50000 milliamperes, so as to ensure that the PDA batteries in each charging card slot 21 can be fully charged when the power is cut off or the charging device 10 is moved to a position without a power supply.

As for the charging terminal and the discharging terminal on the secondary battery 30, as the name implies, the charging terminal is used for charging the secondary battery 30 itself, so that the charging terminal can be electrically connected to the external power source 80 through a wire to charge the secondary battery 30. The discharging terminal is used for electrically connecting with and supplying power to the PDA battery, however, only one discharging terminal is generally arranged on the storage battery 30, and a plurality of PDA batteries to be charged are provided, so as to enable the storage battery 30 to simultaneously supply power to a plurality of PDA batteries, as shown in fig. 3, the charging device 10 of the present application further includes a circuit board 40, the circuit board 40 is installed in the cabinet 20 and electrically connected with the discharging terminals of the storage battery 30, the circuit board 40 is further provided with a voltage converter 41 and a plurality of output terminals 42, and the plurality of output terminals 42 are electrically connected with the voltage converter 41 and respectively electrically connected with the plurality of conductive contacts 22 in a one-to-one correspondence.

Specifically, the circuit board 40 may be provided with a plurality of output circuits, each output circuit corresponds to one output terminal 42, the plurality of output circuits are all connected to one total output circuit, and the total output circuit is electrically connected to the discharge terminal of the storage battery 30 through the voltage converter 41, so as to output the electric energy in the storage battery 30 to each output terminal 42. The voltage converter 41 (also referred to as a voltage conversion circuit) is used to convert the voltage of the battery 30 into a charging voltage required by the PDA battery, so as to ensure smooth charging of the PDA battery. The circuit design of the voltage converter 41, and the specific circuit design of forming the plurality of output terminals 42 on the circuit board 40, and electrically connecting the plurality of output terminals 42 and the voltage converter 41 can be realized according to the prior art. The output terminals 42 can be electrically connected to the conductive contacts 22 through wires, respectively, so as to transmit electric energy to the conductive contacts 22, and when the PDA battery is inserted into the charging slot 21, the charging can be realized.

In summary, it can be understood that, in the charging device 10 provided by the present application, a plurality of charging card slots 21 are disposed on a cabinet 20, a storage battery 30 is disposed in the cabinet 20, the storage battery 30 is electrically connected to a plurality of conductive contacts 22 in the plurality of charging card slots 21 through a plurality of output terminals 42 on a circuit board 40 in a one-to-one correspondence manner, and when a plurality of PDA batteries need to be charged simultaneously, only the plurality of PDA batteries need to be placed in the plurality of charging card slots 21 in a one-to-one correspondence manner, and the storage battery 30 in the cabinet 20 can charge each PDA battery through the conductive contacts 22. That is, when charging a plurality of PDA batteries through charging device 10 of this application, need not adopt a plurality of chargers 90 (or call to charge the head) and a plurality of charging wires 100, only need through a charger 90 and a charging wire 100 for the internal battery 30 of cabinet body 20 charge can, effectual solved current PDA battery when charging in batches, easily because the electric wire is too much and intertwine and lead to the technical problem that has the potential safety hazard to also be favorable to reducing the area of the charging area who is exclusively used in PDA battery charging.

In addition, in the charging device 10 of the present application, the plurality of output terminals 42 on the circuit board 40 are all electrically connected to the voltage converter 41, and the plurality of output terminals 42 are respectively electrically connected to the plurality of conductive contacts 22 in a one-to-one correspondence, which is equivalent to sharing one voltage converter 41 when a plurality of PDAs are charged simultaneously, thereby simplifying the structure and saving the cost. It should be noted that, because the charging device 10 of the present application is mainly used for simultaneously charging a plurality of PDA batteries in the same logistics center, the voltages of the plurality of PDA batteries are substantially the same or have small differences, so that one voltage converter 41 can be shared to realize voltage conversion.

Optionally, as shown in fig. 1, in an embodiment, the surface of the cabinet 20 is further provided with a plurality of electric quantity indicators 23, the plurality of electric quantity indicators 23 correspond to the plurality of charging card slots 21 one by one, and the electric quantity indicators 23 are used for indicating the electric quantity of the PDA batteries in the corresponding charging card slots 21, so that the charging progress of the PDA batteries can be conveniently determined through the electric quantity indicators 23. As shown in fig. 3, a single chip microcomputer 43 is further disposed on the circuit board 40, the plurality of output terminals 42 and the plurality of electric quantity indicators 23 are electrically connected to the single chip microcomputer 43, specifically, the single chip microcomputer 43 is also called a single chip microcontroller, and belongs to an integrated circuit chip. The single chip microcomputer 43 mainly includes a CPU, a ROM, a RAM, and the like, and the diversified data acquisition and control system enables the single chip microcomputer 43 to complete various complex operations. For example, in one implementation, the voltage on the PDA battery may be divided by connecting a resistor to the output terminal 42, and then the voltage is sent to the single chip 43, and the single chip 43 is converted by a burning judgment program, and the conversion result is converted into a voltage, and then multiplied by the ratio of the divided voltage to obtain the real voltage of the PDA battery, thereby obtaining the current electric quantity of the charging PDA battery.

The single chip microcomputer 43 calculates the electric quantity and then transmits the calculation result to the electric quantity indicator 23, and the electric quantity indicator 23 can display the current electric quantity of the PDA battery to workers in various forms. For example, the charge indicator 23 may be a color changing indicator light that turns red when the PDA battery is not fully charged and turns green when the PDA battery is fully charged.

For another example, the electric quantity indicator 23 may have a light pillar structure, and the light length of the light pillar structure indicates the charging progress, so that the worker can roughly judge the approximate electric quantity of the PDA battery.

For another example, optionally, in an embodiment, the electric quantity indicator 23 is a digital display screen, and the digital display directly displays the electric quantity of the PDA battery in a digital manner, so that the staff can more easily know the charging progress of the PDA battery.

Optionally, in an embodiment, please refer to fig. 1 and 2, the cabinet 20 has a front surface 24 and a rear surface 25 opposite to each other, and the front surface 24 and the rear surface 25 are both provided with a plurality of the charging slots 21. It will be appreciated that this arrangement allows the charging device 10 to charge more PDA batteries simultaneously, and the overall arrangement is more compact, which is advantageous in reducing the footprint of the charging area. When the front surface 24 and the rear surface 25 of the cabinet 20 are both provided with a plurality of charging slots 21, the storage battery 30 may be disposed at a middle position of the cabinet 20, so as to be better electrically connected with the conductive contacts 22 in the respective charging slots 21.

Optionally, in an embodiment, as shown in fig. 1 and fig. 2, the number of the charging card slots 21 on the front surface 24 and the rear surface 25 is the same, and the plurality of charging card slots 21 on the front surface 24 and the plurality of charging card slots 21 on the rear surface 25 are arranged in a one-to-one correspondence, so that not only the structure of the cabinet 20 is simplified, and the cabinet 20 is convenient to manufacture, but also the routing between the plurality of output terminals 42 and the plurality of conductive contacts 22 is convenient, so that the internal structure of the cabinet 20 is simpler, and the management and the later maintenance are easy.

Optionally, in an embodiment, as shown in fig. 2, the charging slot 21 is configured to receive a battery to be charged (i.e., a PDA battery), a first heat dissipation plate 50 is further disposed in the charging slot 21, and the first heat dissipation plate 50 is configured to contact a surface of the battery to be charged. It will be appreciated that the PDA battery will typically heat up during charging, and that the volume of the card slot 21 will be adapted to the volume of the PDA battery, which may result in less than optimal dissipation of heat from the PDA battery. Therefore, in the embodiment, the first heat dissipation plate 50 is disposed in the charging slot 21, and when the PDA battery is inserted into the charging slot 21, the second heat dissipation plate 60 contacts with the surface of the PDA battery, so as to conduct away the heat generated on the PDA battery, thereby avoiding the problem that the performance of the PDA battery is affected or the PDA battery explodes due to overheating.

As for the material of the first heat dissipation plate 50, it may be supported by a material with a high thermal conductivity, such as silver, copper, aluminum, graphite, etc., and the specific forming material may be selected according to the actual situation. As for the shape of the first heat dissipation plate 50, it may be a flat plate structure, a half-surrounded structure, a ring structure, or the like, as long as it can be stably contacted with the surface of the battery to be charged.

When the first heat dissipation plate 50 is a flat plate structure, optionally, in an embodiment, please refer to fig. 1 and fig. 2, the charging slot 21 is a square slot and has a top surface 211 and a bottom surface 212 opposite to each other, and a side surface 213 located between the top surface 211 and the bottom surface 212; the surface areas of the top surface 211 and the bottom surface 212 are larger than the surface area of the side surface 213, and the first heat dissipation plate 50 is mounted on the top surface 211 or the bottom surface 212. Specifically, in the present embodiment, the PDA battery to be charged has a substantially rectangular block structure, the shape of the charging slot 21 is adapted to the PDA battery, and when the battery is installed in the charging slot 21, the contact area between the PDA battery and the top surface 211 and the bottom surface 212 of the charging slot 21 is the largest. Therefore, by mounting the second heat dissipation plate 60 on the top surface 211 or the bottom surface 212 of the charge card slot 21, the contact area of the second heat dissipation plate 60 of the flat plate structure and the PDA battery can be maximized, thereby improving the heat dissipation effect.

Optionally, in another embodiment, when the first heat dissipation plate 50 is in a ring structure, the first heat dissipation plate 50 in the ring structure is closely attached to the inner circumferential surface of the charging slot 21, and then when the PDA battery is inserted into the charging slot 21, the first heat dissipation plate 50 can surround the outer circumference of the battery to be charged, so that the contact area between the first heat dissipation plate 50 and the PDA battery can be increased, and the heat dissipation effect can be further improved.

As to the heat dissipation manner of the first heat dissipation plate 50, optionally, in an embodiment, as shown in fig. 2, a second heat dissipation plate 60 is further disposed on the surface of the cabinet 20, and each of the first heat dissipation plates 50 is connected to the second heat dissipation plate 60 through a heat conduction line 70. The first heat sink 50, the heat conducting wires 70 and the second heat sink 60 may be made of the same heat conducting material, for example, the first heat sink 50 and the second heat sink 60 are both made of aluminum plates, and the heat conducting wires 70 are aluminum wires. The second heat dissipation plate 60 may be disposed on the surface of the cabinet 20 without the charging card slot 21, the heat conducting wire 70 may pass through a predetermined wire passing hole in the cabinet 20 to connect the first heat dissipation plate 50 and the second heat dissipation plate 60, so as to transfer the heat on the first heat dissipation plate 50 to the second heat dissipation plate 60, and the second heat dissipation plate 60 directly transfers the heat to the air. It can be understood that the heat on the first heat dissipation plate 50 can be conducted away effectively and timely by arranging the heat conducting wires 70 and the second heat dissipation plate 60, so that the heat on the PDA battery can be conducted away effectively and timely, and the heat dissipation effect can be ensured.

Of course, in other embodiments, the first heat sink 50 may also directly transfer heat to the air through heat dissipation holes preset on the cabinet 20, or partially extend out of the surface of the cabinet 20 to transfer heat to the air, or a heat dissipation fan is disposed in the cabinet 20 to drive the heat on the first heat sink 50 by means of air flow. Therefore, the specific heat dissipation method of the first heat dissipation plate 50 has various embodiments, and can be selected as needed when the technical solution of the present application is applied.

Alternatively, in one embodiment, please refer to fig. 1 and 2, the cabinet 20 has opposite front and

rear surfaces

24 and 25, and opposite first and

second sides

26 and 27; the front surface 24 and the rear surface 25 are respectively provided with a plurality of rows of the charging card slots 21, and the first side surface 26 and the second side surface 27 are both provided with the second heat dissipation plate 60. It can be understood that when the second heat dissipation plates 60 are disposed on the first side surface 26 and the second side surface 27, the heat dissipation area is greatly increased, the heat dissipation effect is improved, and the first heat dissipation plates 50 in different charging card slots 21 are conveniently connected to the nearest second heat dissipation plate 60, so that the internal structure of the cabinet 20 is simplified. For example, taking the first side surface 26 and the second side surface 27 as the left side surface and the right side surface of the cabinet 20, respectively, two rows of charging slots 21 are respectively disposed on the front surface 24 and the rear surface 25 of the cabinet 20, at this time, the first heat dissipation plate 50 in the left row of charging slots 21 may be connected to the second heat dissipation plate 60 on the left side surface, and the first heat dissipation plate 50 in the right row of charging slots 21 may be connected to the second heat dissipation plate 60 on the right side surface.

Optionally, in an embodiment, as shown in fig. 1, the length of the second heat dissipation plate 60 is not less than the height of the cabinet 20, and/or the width of the second heat dissipation plate 60 is not less than the width of the cabinet 20. Specifically, in this embodiment, the second heat dissipation plates 60 are respectively installed on the first side surface 26 and the second side surface 27 of the cabinet 20, the second heat dissipation plate 60 on the first side surface 26 completely covers the first side surface 26, and the second heat dissipation plate 60 on the second side surface 27 also completely covers the second side surface 27. It can be understood that such design can be on the basis of second heating panel 60 steady mounting on the cabinet body 20 for the heat radiating area maximize of second heating panel 60, and then improve the radiating effect, guarantee charging efficiency.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments. In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

The charging device provided by the embodiment of the present application is described in detail above, and the principle and the implementation of the present application are described herein by applying specific examples, and the description of the above embodiment is only used to help understanding the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A charging device, comprising:

the intelligent cabinet comprises a cabinet body and a control device, wherein a plurality of charging clamping grooves are formed in the cabinet body, and conductive contacts are arranged in the charging clamping grooves;

the storage battery is arranged in the cabinet body and is provided with a charging terminal and a discharging terminal, and the charging terminal is used for being electrically connected with an external power supply; and the number of the first and second groups,

the circuit board is arranged in the cabinet body and is electrically connected with the discharging terminal of the storage battery, a voltage converter and a plurality of output terminals are further arranged on the circuit board, and the output terminals are electrically connected with the voltage converter and are respectively and correspondingly electrically connected with the conductive contacts one to one.

2. The charging device as claimed in claim 1, wherein a plurality of electric quantity indicators are further provided on the surface of the cabinet body, and the plurality of electric quantity indicators correspond to the plurality of charging slots one by one;

the circuit board is also provided with a singlechip, and the plurality of output terminals and the plurality of electric quantity indicators are respectively electrically connected with the singlechip.

3. A charging arrangement as claimed in claim 2, in which the charge indicator is a digital display screen.

4. The charging device of claim 1, wherein the cabinet has opposing front and rear surfaces, each of the front and rear surfaces being provided with a plurality of the charging slots.

5. The charging device of claim 4, wherein the plurality of charging slots on the front surface and the plurality of charging slots on the rear surface are arranged in a one-to-one relationship.

6. A charging device as claimed in any one of claims 1 to 5, wherein the charging slot is used for accommodating a battery to be charged, and a first heat sink is further disposed in the charging slot and is used for contacting with the surface of the battery to be charged.

7. A charging arrangement as claimed in claim 6, in which the charging slot is a square slot and has opposed top and bottom faces and side faces between the top and bottom faces; the surface areas of the top surface and the bottom surface of the charging slot are larger than the surface area of the side surface, and the first heat dissipation plate is arranged on the top surface or the bottom surface;

and/or the first heat dissipation plate is of an annular structure and is used for surrounding the periphery of the battery to be charged.

8. The charging device as claimed in claim 6, wherein the cabinet further has second heat dissipating plates on the surface thereof, and each of the first heat dissipating plates is connected to the second heat dissipating plate via a heat conductive wire.

9. The charging device of claim 8, wherein the cabinet has opposing front and rear surfaces and opposing first and second sides;

the front surface and the rear surface are respectively provided with a plurality of rows of charging clamping grooves, and the first side face and the second side face are both provided with the second heat dissipation plates.

10. The charging device of claim 9, wherein the length of the second heat sink is not less than the height of the cabinet, and/or the width of the second heat sink is not less than the width of the cabinet.