CN215419646U

CN215419646U - Charger and charging system

Info

Publication number: CN215419646U
Application number: CN202121181551.4U
Authority: CN
Inventors: 罗明; 刘传君; 庄宪; 严安; 霍晓辉; 李志远
Original assignee: Globe Jiangsu Co Ltd
Current assignee: Globe Jiangsu Co Ltd
Priority date: 2020-11-06
Filing date: 2021-05-28
Publication date: 2022-01-04
Anticipated expiration: 2031-05-28
Also published as: CN218548688U; CN114448010A; CN114448013A; CN218939916U; CN114530899A; CN114448012A; CN215911524U; CN114448009A; CN218919168U; CN114447450A; CN114447457A; CN114448011A; CN114530900A; CN114447533A; CN114448007A; CN214797631U; CN114447507B; CN114447507A; CN215418445U; CN114448008A

Abstract

The utility model discloses a charger and a charging system, wherein the charger comprises: the charger comprises a charger shell, a first circuit board, a first power supply terminal and a second circuit board, wherein the first circuit board is arranged in the charger shell, a battery pack charging part is arranged on the charger shell, the first power supply terminal is arranged on the battery pack charging part, and the first power supply terminal is electrically connected with the first circuit board; the first Type-C interface is arranged on the battery pack charging part and is electrically connected with the first circuit board; when the external battery pack of the charger is charged, the battery pack is installed in the charging part of the battery pack, the first power supply terminal is connected with the second power supply terminal of the battery pack, and the first Type-C interface is connected with the second Type-C interface. The charger side main control system is provided with the auxiliary power supply and the communication port through the Type-C interface, so that power supply and communication are provided for the charger side main control, the system is simplified, and the applicability of the charger side main control system is enhanced.

Description

Charger and charging system

Technical Field

The utility model relates to the technical field of battery charging, in particular to a charger and a charging system.

Background

Along with the development of intellectualization and the internet, more and more manual labor is replaced by intelligent products, and the use of electric tools is more and more extensive, such as electric garden tools like lawn mowers and pruners, and electric operation machines like electric drills and bolt cutter bars, the electric tools of the type all use a battery pack as a power element, the universality of the battery pack is improved, and the electric tools are adapted to various types of electric tools, and are problems to be solved by each manufacturer.

In recent years, with the development of battery material technology, the application range of the battery core has been greatly improved. Electric tool products on the market are used in a large amount at present, but the battery pack at present can only supply power to electric devices with the same voltage, the output is single, the limitation is large, and other consumer electronic products cannot use the power supply for power supply.

In view of the above, there is a need for an improved battery pack and charger to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, the present invention provides a charger and a charging system to improve the applicability of a battery pack and the charger to adapt to various types of electric tools.

The utility model provides a charger, comprising:

a charger shell, a first circuit board is arranged in the charger shell, a battery pack charging part is arranged on the charger shell,

the first power supply terminal is arranged on the charging part of the battery pack and is electrically connected with the first circuit board;

the first Type-C interface is arranged on the battery pack charging part and is electrically connected with the first circuit board;

when the external battery pack of the charger is charged, the battery pack is installed in the charging part of the battery pack, the first power supply terminal is connected with the second power supply terminal of the battery pack, and the first Type-C interface is connected with the second Type-C interface on the battery pack.

In an embodiment of the present invention, the first power supply terminal includes a first discharge port P + and a first discharge port P-, and during charging, the first discharge port P + and the first discharge port P-are charge and discharge ports, and the first Type-C interface is a communication port.

In one embodiment of the present invention, the first Type-C interface is located between the first discharge port P + and the first discharge port P-.

In an embodiment of the present invention, the first Type-C interface is further used as an auxiliary power port, and the battery pack provides an activation power for the charger-side main control through the first Type-C interface.

The present invention also provides a charging system, including:

the charger comprises a charger shell, a first circuit board is arranged in the charger shell, a battery pack charging part is arranged on the charger shell,

the battery pack comprises a battery pack shell, a terminal interface and a second Type-C interface, wherein an electric core assembly and a second circuit board are installed in the battery pack shell, the second circuit board is electrically connected with the electric core assembly, and the terminal interface is positioned at the top of the battery pack shell;

when the external battery pack of the charger is charged, the battery pack is installed in the charging part of the battery pack, the first power supply terminal is connected with the second power supply terminal of the battery pack, and the first Type-C interface is connected with the second Type-C interface.

In one embodiment of the utility model, the battery pack shell comprises an upper shell and a lower shell, the upper shell is fixedly connected with the lower shell, and the top surface of the upper shell is provided with an insertion part.

In an embodiment of the present invention, two sides of the insertion portion are provided with slide rails, and the terminal interface is disposed at one end of the insertion portion and located between the slide rails at the two sides of the insertion portion.

In one embodiment of the utility model, charger guide rails are arranged on two opposite sides of the charging part of the battery pack, and the charger guide rails are matched with the sliding rails.

In an embodiment of the present invention, a limiting member mounting groove is formed in the upper case of the battery pack case, and a limiting member is mounted in the limiting member mounting groove and sealed by a mounting groove cover.

In one embodiment of the utility model, the battery core assembly comprises a plurality of battery cores, the battery cores are mounted in a battery core bracket, the battery core bracket is positioned in the battery shell body, and the battery cores are connected through electrode plates.

In one embodiment of the utility model, the second power supply terminal is provided at the terminal interface.

In an embodiment of the present invention, when the second power supply terminal includes a second P + terminal and a second P-terminal matched with the respective terminals of the first power supply terminal, the second P + terminal and the second P-terminal are charge/discharge ports.

In an embodiment of the present invention, the second Type-C interface is a communication port.

In an embodiment of the present invention, the second Type-C interface is further used as an auxiliary power input port, and the battery pack provides an activation power for the main control of the charger through the second Type-C interface.

In one embodiment of the present invention, the second Type-C interface is located between the terminal interfaces

The utility model provides a charging system, which improves the defects that the current battery pack can only supply power to electric devices with the same voltage, has single output and large limitation, improves the universality of the battery pack so as to be suitable for various types of electric tools, and can also enable other consumer electronic products to use the power supply for power supply.

Meanwhile, the utility model provides a charging system, which is provided with an auxiliary power supply and a communication port through a Type-C interface to provide power supply and communication for the main control of the charger side so as to replace a specially-arranged activation power supply, namely, an auxiliary power supply module is not required to be specially arranged, so that the system is simplified.

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 charging system according to the present invention.

Fig. 2 is a schematic structural diagram of a battery pack according to an embodiment of the utility model.

Fig. 3 is a schematic structural diagram of a cell support in a battery pack according to an embodiment of the utility model.

Fig. 4 is a schematic structural diagram of a second circuit board in a battery pack according to an embodiment of the utility model.

Fig. 5 is a schematic structural diagram of an upper case of a battery pack according to an embodiment of the present invention.

Fig. 6 is a schematic top view of an upper case of a battery pack according to an embodiment of the utility model.

Fig. 7 is a schematic structural diagram of a lower case of a battery pack according to an embodiment of the utility model.

Fig. 8 is a schematic structural diagram of a second Type-C interface in a battery pack according to an embodiment of the utility model.

Fig. 9 is a schematic structural diagram of a limiting member and a mounting groove cover in a battery pack according to an embodiment of the utility model.

Fig. 10 is a schematic structural diagram of a limiting member in a battery pack according to an embodiment of the utility model.

Fig. 11 is a schematic bottom view of a limiting member in a battery pack according to an embodiment of the utility model.

Fig. 12 is a schematic structural diagram of a charger according to an embodiment of the utility model.

Fig. 13 is a schematic top view of a charger according to an embodiment of the utility model.

Fig. 14 is a block diagram of a charger according to an embodiment of the present invention.

Fig. 15 is another block diagram of the charger disclosed in the embodiment of the present invention.

Fig. 16 is a block diagram of a structure of a battery pack disclosed in the embodiment of the present invention.

Fig. 17 is a block diagram of a detection module disclosed in the embodiment of the present invention.

Fig. 18 is another structural block diagram of the battery pack disclosed in the embodiment of the present invention.

Fig. 19 is a block diagram of a charging assembly disclosed in the embodiment of the present invention.

Fig. 20 is a flowchart of a charging method according to an embodiment of the present invention.

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 utility model 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.

As shown in fig. 1 to 12, the present invention discloses a battery pack 100 for supplying power to a power tool and an electronic device. The battery pack 100 includes a battery pack case 10, a second Type-C interface 122, a terminal interface 131, and a second power supply terminal 132, specifically, as shown in fig. 2 and fig. 4, the battery pack 100 further includes a battery core assembly and a second circuit board 13 accommodated in the battery pack case 10, the battery core assembly includes a plurality of battery cells, the plurality of battery cells are installed in a battery cell bracket 14, the battery cell bracket 14 is located in the battery pack case, and the battery cells are connected through electrode plates 141. The second power supply terminal 132 is mounted on the second circuit board 13 and electrically connected to the second circuit board 13, and the second power supply terminal 132 is close to the terminal interface 131 at the top of the battery pack case 10 and partially exposed to the socket for connecting an external power tool. The output voltage of the battery pack 100 is 24V, the output current is 40A, and the output power is 960W, but not limited thereto. Such power tools include, but are not limited to, lawn mowers, hair dryers, pruners, chain saws, lawn mowers, washers, cleaners, smart mowers, smart cleaning devices, and riding mowers.

As shown in fig. 5 to 7, in the present embodiment, the battery pack case 10 includes an upper case 11 and a lower case 12, the upper case 11 is fixedly connected to the lower case 12, the battery pack assembly and the second circuit board 13 are accommodated in an accommodating space formed by assembling the upper case 11 and the lower case 12, a plug portion 1101 is disposed on a top surface of the upper case 11, slide rails 1102 are disposed on two sides of the plug portion 1101, the terminal interface 131 is disposed at one end of the plug portion 1101 and between the slide rails 1102 on two sides of the plug portion 1101, and when the external electric tool is connected to the battery pack 100 through the slide rails 1101, the second power supply terminal 132 is electrically connected to the external electric tool. The upper housing 11 of the battery pack housing 10 is provided with a limiting member mounting groove 112, a limiting member 111 is mounted in the limiting member mounting groove 112, and is sealed by a mounting groove cover 1121, and the limiting member 111 is used for easily separating the battery pack 100 when the battery pack 100 is plugged in or pulled out. In this embodiment, a second Type-C interface is also disposed on a side surface of the battery pack 100, and is used for charging the battery pack or charging electronic devices including electronic products such as mobile phones, notebooks, digital cameras, wearable smart devices, and the like.

As shown in fig. 8, in the present embodiment, the second Type-C interface 122 includes an insulating body 1221, conductive terminals 1222 fixed on the insulating body 1221, and a mask housing 1223 covering outside of the insulating body 1221 and the conductive terminals 1222, the conductive terminals 1222 and the mask housing 1223 are made of metal material, and the conductive terminals 1222 are in contact with an inner side wall of the mask housing 1223, so as to achieve electrical conduction between the conductive terminals 1222 and the mask housing 1223, and the mask housing 1223 is provided with pins 1224 fixed to the second circuit board 13 by welding. By such a design, the conductive terminals 1222 of the second Type-C interface 122 can be electrically connected to the battery cells through the pins 1224 of the shielding housing 1223 and the second circuit board 13.

As shown in fig. 3 to 4, in the present embodiment, a second power supply terminal 132 is integrated on the second circuit board 13, the second power supply terminal 132 is also electrically connected to the battery cell through the second circuit board 13, a terminal interface 131 is opened at one end of the upper housing 11 away from the limiting member 111, and the second power supply terminal 132 is disposed in the terminal interface 131. The second power supply terminal 31 and the terminal interface 131 are designed such that the battery pack 100 of the present invention can be plugged into an electric tool to supply power to the electric tool.

As shown in fig. 2, in the present embodiment, a display device 1115 is further disposed on the battery pack case 10, and the display device 1115 may be used to display the remaining power of the battery pack 100, and may also be used to display the voltage, the current, the cell temperature, the fault, and the like of the battery pack 100. The display device may also display operating parameters of the power tool, such as the rotational speed of the motor, etc., when the battery pack 100 is coupled to and operated by the power tool. The display device is preferably an LCD display screen, but should not be limited thereto.

As shown in fig. 2 to 11, in the present embodiment, the display device 1115 is fixed on the upper housing 11 and located at one side of the stopper 111. Specifically, the limiting member 111 includes a limiting pressing portion 1111 and a limiting post 1112, and the limiting pressing portion 1111 is used for an operator to operate so as to release the lock between the battery pack 100 and the electric tool; the position-limiting post 1112 is used for realizing a fixed connection between the battery pack 100 and an external tool. In addition, in this embodiment, spring mounting posts 1113 and guide sleeves 1114 are disposed at two ends of the bottom of the limiting member 111, a limiting spring is mounted on the spring mounting posts 1113, a bottom end of the limiting spring abuts against the limiting member mounting groove 112 of the upper housing 11, so that the limiting member 111 is reset, and the guide sleeves 1114 are sleeved on the guide posts 1116 in the limiting member mounting groove 112, so as to play a role in guiding the limiting member 11 during pressing down and lifting up.

As shown in fig. 2 to 11, preferably, the display device 1115 is fixed on the upper housing 11 and located between the position-limiting pressing portion 1111 and the position-limiting post 1112, for the purpose of: when the battery pack 100 is combined with the electric tool, an operator can see the content displayed on the display device 1115 during the use process, and when an abnormality occurs during the operation process or during the working process of the battery pack 100 and/or the electric tool, the abnormality can be timely found and processed, so that the occurrence of danger is avoided.

As shown in fig. 2 to 11, of course, the display device 1115 may be mounted on the front side of the battery pack 100, i.e., on the side of the position-limiting pressing portion 1111 away from the position-limiting post 1112. However, in such a mounting scheme, consideration is required to be given to whether or not the lead wire between the display device 50 and the second circuit board 13 is interfered by the stopper pressing portion 1111, and the wiring is limited.

As shown in fig. 2 to 11, in this embodiment, the second power supply terminal 132 is disposed in the terminal interface 131, the second power supply terminal 132 includes a second P + terminal and a second P-terminal, the second Type-C interface 122 is located between the second P + terminal and the second P-terminal, when charging, the second P + terminal and the second P-terminal are charge and discharge ports, the second Type-C interface 122 is an auxiliary power supply and a communication port, and provides communication for a main control on a charger 200 side, in one embodiment, the second Type-C interface 122 further serves as an auxiliary power supply input port, and the battery pack provides an active power supply for the main control of the charger through the second Type-C interface 122.

As shown in fig. 12 and 13, in this embodiment, the charger 200 includes a charger housing 21, the charger housing 21 is provided with a battery pack charging portion 211, the first power supply terminal 23 is provided on the battery pack charging portion 211, the first Type-C interface 22 is provided on the battery pack charging portion 211, the battery pack 100 is installed in the battery pack charging portion 211 when the battery pack 100 is charged, the first power supply terminal 23 is connected to the second power supply terminal 132 in the terminal interface 131, the first Type-C interface 22 is connected to the second Type-C interface 122, and charger rails 212 are provided on opposite sides of the battery pack charging portion 211, the charger rails 212 are engaged with the slide rails 1102, when the battery pack 100 is installed in the battery pack charging portion 211 of the charger 200 for charging, the charger guide rail 212 and the slide rail 1102 are matched to guide or facilitate sliding, so that the charger guide rail can be smoothly installed. The first power supply terminal 23 includes a first discharge port P + and a first discharge port P-, the first Type-C interface 22 is located between the first discharge port P + and the first discharge port P-, during charging, the first discharge port P + and the first discharge port P-are charge and discharge ports, the first Type-C interface 22 is a communication port, in an embodiment, the first Type-C interface 22 further serves as an auxiliary power port, and the battery pack provides an activation power for the main control of the charger side through the first Type-C interface 22.

As shown in fig. 14, the embodiment of the present invention provides a charger, which charges a battery pack after receiving an activation voltage, and turns on or off an output of the charger according to on/off of the activation voltage externally connected during the charging of the battery pack. Charger 200 specifically includes: first Type-C interface 22, inserted sheet 23 (first power supply terminal) and on-off control module 210.

A first Type-C interface 22 for receiving an activation voltage;

the on-off control module 210 is used for controlling the charging of the charger according to the activation voltage;

and the plug-in sheet 23 is electrically connected with the battery pack and the on-off control module 210 and is used for outputting charging voltage to the battery pack.

The first Type-C interface 22 is a USB standard interface, and the interface Type of the first Type-C interface is a double-sided Type that can adapt to forward and reverse insertion, and supports a USB PD rapid charging protocol (USB Power Delivery Specification, USB rapid charging standard), and can implement Power transmission and data interaction. In this embodiment, the Type-C interface pins include VBUS, CC, D +, D-, GND.

The inserting sheet 23 is a power transmission port commonly used in garden tools, and has various types to select, and in this embodiment, includes a positive terminal P + (first discharging port P +) and a negative terminal P- (second discharging port P-), and in practical application, a suitable type can be selected according to needs.

As shown in fig. 15, the on-off control module 210 includes: a first converter 2101, a first processor 2102, a second converter 2013, and an AC-DC converter 2104(AC-DC module).

The first converter 2101 is connected in series between the first Type-C interface 22 and the first processor 2102, and configured to step down the activation voltage and output the activation voltage to the first processor 2102, where the activation voltage is adapted to an operating voltage range of the first processor 2102 after being stepped down.

A first processor 2102 configured to output a control signal to the second converter 2013 to start operating after receiving the reduced activation voltage; wherein, the control signal is a PWM signal.

An ac/dc converter 2104 for converting an external ac power into a dc power;

and the second converter 2013 is used for reducing the direct current according to the control signal of the first processor 2102 and outputting the direct current to the plug-in sheet 23.

Referring to fig. 15, the charger 200 further includes a first communication unit 201.

The first communication unit 201 is connected in series between the first processor 2102 and the first Type-C interface 22, and is configured to implement a communication connection between the first processor 2102 and the battery pack 100, and the first processor 2102 dynamically adjusts output power according to data transmitted by the battery pack 100, and matches with a load capacity of the battery pack 100, so as to avoid accidents such as an electric wire short circuit, even explosion due to overheating of a product, and the like.

As shown in fig. 15, the charger further includes: a charge protection unit 202.

And the charging protection unit 202 is connected between the second converter 2103 and the plug-in sheet 23 in series, and a control terminal of the charging protection unit is connected with the first processor 2102, so as to protect a charging loop of the charger 200.

It should be understood that the charging circuit of the charger 200 is an internal circuit of the charger 200, and includes the plug-in 23, the first communication unit 201 and the on-off control module 210, and any part of the internal circuit is abnormal, which affects the service life of the charger 200, and the charging process should be stopped immediately.

As can be seen, the charger 200 of the present embodiment starts to charge the battery pack 100 after receiving the externally input activation voltage, performs data interaction with the battery pack 100 during the charging process, and adjusts the output voltage of the charger 200 in real time according to the charging parameters of the battery pack 100; and when the activation voltage is disconnected, the output of the charger 200 is stopped in time, so that the damage to the battery pack 100 caused by continuous charging when the battery pack 100 fails or the charging is completed is avoided, the charging safety of the battery pack 100 is ensured, and the service life of the battery pack 100 is prolonged.

As shown in fig. 16, another embodiment of the present invention provides a battery pack 100, and it should be understood that the battery pack 100 includes a plurality of battery cells, the battery cells can be combined into a battery pack 120 in a series-parallel manner, the battery pack 120 is used for storing electric energy, and the electric energy can be obtained by charging through an external charger 200. The battery pack 100 specifically includes: a second Type-C interface 122, a power supply terminal 132, a voltage generation module 130, and a detection module 170.

The detecting module 170 is configured to obtain the charging parameters of the battery pack 100 in real time. The charging parameters of the battery pack 100 are technical parameters of a battery pack charging loop, and include: the voltage of the single section of the cell assembly 120, the loop current of the charging loop, the temperature of the cell assembly 120 and/or the power device in the charging loop.

Referring to fig. 17, the detecting module 170 includes: the device comprises a voltage detection unit, a current detection unit and a temperature detection unit.

A voltage detection unit for acquiring a voltage value of the core assembly 120;

a current detection unit for acquiring a loop current of a charging loop of the battery pack 100;

a temperature detection unit for obtaining the temperature of the core assembly 120 and/or the power device in the charging loop.

It should be understood that the charging circuit of the battery pack 100 is an internal circuit of the battery pack 100, and includes the power supply terminal 132, the second Type-C interface 122, the detection module 170, the voltage generation module 130 and the electric core assembly 120, and any part of the circuit is abnormal, which affects the service life of the battery pack 100, and the charging process should be stopped immediately.

A voltage generation module 130 for generating an activation voltage to the second Type-C interface 122; and the control circuit is also used for acquiring the charging state according to the charging parameters and stopping the generation of the activation voltage when the charging state is abnormal or completed.

It should be understood that, during the charging process, the parameter range of the charging parameter may be preset according to the usage requirement, and the charging state may be determined according to the parameter range, where the charging state in this embodiment includes: normal, abnormal and finished, in practical application, a user can subdivide the charging state according to the requirement.

Specifically, when the parameter range is exceeded, the state of charge is considered abnormal; when the charge state is within the parameter range, the charge state is considered to be normal; when the state of charge SOC of the cell assembly 120 reaches a predetermined value, for example, the SOC is 100%, the charging state is considered to be complete.

And a second Type-C interface 122 for outputting an activation voltage of the charger 200.

And a power supply terminal 132 electrically connected to the charger 200 for charging the battery pack 100.

It should be understood that the second Type-C interface 122 and the power supply terminal 132 in this embodiment are both one, and the number of the Type-C interfaces in practical application can be set to be a plurality of according to needs, so that the charging speed can be increased by adjusting the charging power, and the use by a user is facilitated.

The interface definitions of the second Type-C interface 122 and the power supply terminal 132 are the same as those of the first Type-C interface 22 and the insert sheet 23 in the above embodiments, and for brevity, the description is omitted here. In addition, the power supply terminal 132 is matched with the insert 23 in the above embodiment and is a male and female head; the second Type-C interface 122 matches with the first Type-C interface 22 in the above embodiments, and is also a male-female connector.

As shown in fig. 18, the voltage generation module 130 includes: a third translator 1301 and a second processor 1302.

A second processor 1302, electrically connected to the detection module 170, for outputting a control signal to the third converter 1301 according to the charging parameter; when the charging state is normal and the charging is not completed, outputting a control signal to start the operation of the third converter 1301; when the charging state is abnormal or the charging is completed, the control signal is output to stop the operation of the third converter 1301.

And a third converter 1301, which is connected in series between the power supply terminal 132 and the second Type-C interface 1222, has a control terminal connected to the second processor 1302, and is configured to convert the input voltage of the charger 200 into an activation voltage according to a control signal of the second processor 1302, and output the activation voltage to the second Type-C interface 122.

It should be noted that the third converter 1302 in the present embodiment, and the first converter 2101, the second converter 2013, and the ac-dc converter 2104 in the above embodiments are all conventional voltage conversion devices in the prior art, and mature products are available for selection, and the model of the converter is not limited in the present application.

As shown in fig. 18, the battery pack 100 further includes: the unit 110 is activated.

The activation unit 110 is configured to activate the second processor 1302 according to an activation signal, where the activation signal is obtained through the second Type-C interface 122 and/or an activation key of the battery pack 100.

It should be understood that the battery pack 100 is provided with an activation button for controlling the power supply circuit, and the activation button can generate a pull-up or pull-down activation signal when pressed.

With this arrangement, the battery pack 100 is in a sleep state when there is no activation signal, and starts to operate only after receiving the activation signal, thereby saving power.

As shown in fig. 18, the battery pack 100 further includes: a Type-C communication unit 192.

And the Type-C communication unit 192 is connected in series between the second processor 1302 and the second Type-C interface 122, and is used for realizing communication connection between the second processor 1302 and the charger 200. When the charger 200 is connected to the second Type-C interface 122, an external pull-up signal is generated and transmitted as an activation signal to the second processor 1302 through the Type-C communication unit 192. In addition, the battery pack 100 can transmit the charging parameters of the battery pack 100 to the charger 200 through the Type-C communication unit 192, so that the charger 200 dynamically adjusts the output power to match the load capacity of the battery pack 100, thereby avoiding accidents such as short circuit of electric wires, even explosion due to overheating of products, and the like.

It should be noted that the first processor 2102 in the foregoing embodiment and the second processor 1302 in this embodiment are generally a Central Processing Unit (CPU) of the whole Digital sensor system, and may be configured with a corresponding operating system, a control interface, and the like, specifically, may be a Digital logic processor such as a single chip, a DSP (Digital Signal Processing), an ARM (Advanced RISC machines, ARM processors), and the like, which can be used for automatic control, and may load a control instruction to a memory at any time for storage and execution, and meanwhile, may be built in units such as a CPU instruction and a data memory, an input/output unit, a power module, and a Digital analog, and may be specifically set according to an actual use condition, which is not limited in this scheme.

Therefore, the battery pack of the embodiment outputs the activation voltage to the charger after being activated, so that the battery pack starts to be charged; when the charging is carried out, the battery pack detects the charging state in real time, and stops outputting the activation voltage when the charging state is abnormal or completed, so that the charging process is stopped, the damage to the battery pack caused by continuous charging is avoided under the condition that the battery pack breaks down or the charging is completed, the charging safety of the battery pack is ensured, and the service life of the battery pack is prolonged.

As shown in fig. 19 and 20, another embodiment of the present invention provides a charging system including: the charger and the battery pack are detachably connected, and the structures of the charger and the battery pack are consistent with those of the charger and the battery pack in the embodiment;

the charger 200 includes:

a first Type-C interface 22 for receiving an activation voltage;

the plug-in sheet 23 is electrically connected with the battery pack and the on-off control module 210 and is used for outputting charging voltage to the battery pack 100;

the battery pack includes:

a voltage generation module 130, configured to generate an activation voltage of the charger 200 to the second Type-C interface 122; the charging control circuit is also used for acquiring a charging state according to the charging parameters and stopping generating the activation voltage when the charging state is abnormal or finished;

a second Type-C interface 122 for outputting an activation voltage;

a power supply terminal 132 electrically connected to the charger 200 for charging the battery pack 100;

a detection module 170 for acquiring the charging parameters of the battery pack 100 in real time

Wherein, first Type-C interface 22 and second Type-C interface 122 phase-match, power supply terminal 132 and inserted sheet 23 phase-match.

In the charging combination of the embodiment, the battery pack provides the activation voltage for the charger to start charging the battery pack; when the charging is carried out, the charging state of the battery pack is detected in real time, and the output of the activation voltage is stopped when the charging state is abnormal or completed, so that the charging process is stopped, the damage to the battery pack caused by continuous charging under the condition that the battery pack breaks down or is completely charged is avoided, the charging safety of the battery pack is ensured, and the service life of the battery pack is prolonged. In addition, the battery pack and the charger interact data in real time in the charging process, the output voltage of the charger is adjusted in real time according to the charging parameters of the battery pack, and accidents such as short circuit of electric wires and even explosion of products due to overheating are avoided.

As shown in fig. 20, another embodiment of the present invention provides a charging method, including: the battery pack outputs an activation voltage to the charger, and the charger charges the battery pack after being electrified; in the charging process, the battery pack detects the charging parameters of the charging loop of the battery pack in real time, acquires the charging state according to the charging parameters, and stops outputting the activation voltage when the charging state is abnormal or completed.

Optionally, the step before the battery pack outputs the activation voltage to the charger includes:

after receiving the activation signal, activating the battery pack; and the activation signal is obtained through a second Type-C interface and/or an activation key of the battery pack.

Optionally, the step before the battery pack outputs the activation voltage to the charger further includes:

and after the battery pack is activated, detecting the charging parameters of the battery pack, acquiring the charging state according to the charging parameters, and outputting an activation voltage if the charging state is normal.

Optionally, after the charger is powered on, the step before charging the battery pack further includes:

and the battery pack and the charger carry out communication handshake, and the battery pack starts to be charged if the handshake is successful.

It can be seen that, the charging method of the present embodiment is applied to the charging combination of the above embodiments, and the battery pack provides an activation voltage for the charger to start charging the battery pack; when the charging is carried out, the charging state of the battery pack is detected in real time, and the output of the activation voltage is stopped when the charging state is abnormal or completed, so that the charging process is stopped, the damage to the battery pack caused by continuous charging under the condition that the battery pack breaks down or is completely charged is avoided, the charging safety of the battery pack is ensured, and the service life of the battery pack is prolonged. In addition, the battery pack and the charger interact data in real time in the charging process, the output voltage of the charger is adjusted in real time according to the charging parameters of the battery pack, and accidents such as short circuit of electric wires and even explosion of products due to overheating are avoided.

The battery pack 100 of the present invention can power a lawnmower, a blower, a pruner, a chain saw, a lawnmower, a cleaner, a vacuum cleaner, an intelligent lawn mower, an intelligent cleaning device, and a riding lawn mower. When the battery pack 100 is applied to a grass trimmer, a blower, a pruner, a chain saw, a grass pusher, a cleaning machine, a dust collector, an intelligent grass mower, intelligent cleaning equipment and a riding Type grass mower, the battery pack not only can supply power to the grass trimmer, the blower, the pruner, the chain saw, the grass pusher, the cleaning machine, the dust collector, the intelligent grass mower, the intelligent cleaning equipment and the riding Type grass mower, but also can supply power to electronic products such as a mobile phone, a notebook computer and a digital camera through a second Type-C interface system on the side surface of the battery pack.

In conclusion, the battery pack provides required activation voltage for the charger, the charging parameters of the charging loop of the battery pack are detected in real time while the charging power supply is obtained through the charger, and the activation voltage is disconnected when the charging parameters are abnormal or charging is completed, so that the output of the charger is stopped, the damage to the battery pack caused by continuous charging is avoided under the condition that the battery pack breaks down or is charged, the charging safety of the battery pack is ensured, and the service life of the battery pack is prolonged. In addition, the battery pack and the charger interact data in real time in the charging process, the output voltage of the charger is adjusted in real time according to the charging parameters of the battery pack, and accidents such as short circuit of electric wires and even explosion of products due to overheating are avoided.

The utility model provides a charging system, which is provided with an auxiliary power supply and a communication port through a Type-C interface to realize power supply and communication for the main control of a charger side so as to replace a specially-arranged activation power supply, namely, an auxiliary power supply module does not need to be specially arranged, thereby simplifying the system.

The above description is only a preferred embodiment of the present application and the explanation of the technical principle used, 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

1. A charger, comprising:

2. The charger according to claim 1, wherein the first power supply terminal includes a first discharging port P + and a first discharging port P-, and when charging, the first discharging port P + and the first discharging port P-are charging and discharging ports, and the first Type-C interface is a communication port.

3. The electrical charger according to claim 2, wherein the first Type-C interface is located between the first discharge port P + and the first discharge port P-.

4. The charger according to claim 1, wherein the first Type-C interface further serves as an auxiliary power port, and the battery pack provides an activation power for the charger side master control through the first Type-C interface.

5. An electrical charging system, comprising:

6. The charging system according to claim 5, wherein the battery pack housing comprises an upper housing and a lower housing, the upper housing is fixedly connected with the lower housing, and a plug-in part is disposed on a top surface of the upper housing.

7. The charging system of claim 6, wherein slide rails are disposed on two sides of the insertion portion, and the terminal interface is disposed at one end of the insertion portion and located between the slide rails on two sides of the insertion portion.

8. A charging system according to claim 7, wherein charger rails are provided on opposite sides of the charging portion of the battery pack, the charger rails being engaged with the slide.

9. The charging system according to claim 5, wherein the upper housing of the battery pack housing is provided with a retaining member mounting groove, and the retaining member mounting groove is provided with a retaining member therein and is sealed by a mounting groove cover.

10. The charging system of claim 5, wherein the cell assembly comprises a plurality of cells, the plurality of cells are mounted in a cell support, the cell support is located in the battery can body, and the cells are connected by electrode plates.

11. A charging system according to claim 5, wherein said second power supply terminal is provided at said terminal interface.

12. The charging system according to claim 5, wherein when the second power supply terminal comprises a second P + terminal and a second P-terminal matched with the respective terminals of the first power supply terminal, the second P + terminal and the second P-terminal are charge/discharge ports.

13. The charging system of claim 5, wherein the second Type-C interface is a communications port.

14. The charging system of claim 5, wherein the second Type-C interface further serves as an auxiliary power input port, and the battery pack provides an active power for the main control of the charger through the second Type-C interface.

15. A charging system in accordance with claim 5, wherein said second Type-C interface is located between said terminal interfaces.