CN215870927U - Battery pack and charging system - Google Patents
Battery pack and charging system Download PDFInfo
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- CN215870927U CN215870927U CN202121204936.8U CN202121204936U CN215870927U CN 215870927 U CN215870927 U CN 215870927U CN 202121204936 U CN202121204936 U CN 202121204936U CN 215870927 U CN215870927 U CN 215870927U
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- charger
- charging module
- module
- battery pack
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Abstract
The utility model discloses a battery pack and a charging system, comprising: charger and battery package, the charger includes: the second controller is electrically connected with the microwave transmitting module and the charger interface, and the microwave transmitting module is electrically connected with a transmitting antenna for transmitting microwave signals; the battery pack comprises a battery unit, a first controller, a receiving antenna electrically connected with the first controller, a mode selection charging module and a socket, wherein the first controller judges the access state of the charger and the socket or the access state of the charger and the wireless charging module, and controls the mode selection charging module to select to supply power through the socket or the wireless charging module. According to the utility model, the battery pack is provided with the plug interface and the wireless charging module adopting the antenna, wired and wireless charging can be realized, and the wireless charging device can be used while being charged, so that convenience is brought to a user.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a battery pack and a charging system, and more particularly, to a battery pack and a charging system capable of realizing wired charging and wireless charging.
[ background of the utility model ]
The existing lithium battery pack is electrically connected with the power connection terminals of the charger in an inserting mode, and loose power connection terminals are easily connected to cause poor contact through multiple inserting and pulling, so that the service life of the battery pack is influenced. At present, a battery pack is mainly charged by a wireless terminal through methods such as electromagnetic induction and the like, the battery pack is usually required to be close to or even attached to a charger, certain limitation is realized, remote charging cannot be realized, and an electric tool cannot be operated while the battery pack is charged.
Therefore, there is a need for a battery pack and a charging system that can be charged wirelessly and remotely to solve the above problems.
[ Utility model ] content
In view of the deficiencies of the prior art, the present invention provides a battery pack and a charging system capable of wired and wireless charging and remote charging.
The utility model solves the problems of the prior art by adopting the following technical scheme: a battery pack for connection with a charger, comprising: a shell, a plug interface arranged on the shell, and a battery unit and a circuit board accommodated in the shell, the circuit board comprises a wireless charging module and a first controller, the interface and the wireless charging module are electrically connected with the first controller, the wireless charging module comprises a receiving antenna used for receiving a microwave signal transmitted by a charger, the receiving antenna outputs the microwave signal to the first controller, the first controller is connected with a mode selection charging module, and the wireless charging module, the mode selection charging module and the battery unit form a first branch, the interface, the mode selection charging module and the battery unit form a second branch, and the first controller judges the access state of the charger and the interface or the wireless charging module and controls the conduction of the first branch or the second branch.
The further improvement scheme is as follows: the receiving antenna is connected to the first controller through a first rectifying circuit, an input filter circuit is arranged between the receiving antenna and the first rectifying circuit, and an output filter circuit is arranged between the first rectifying circuit and the first controller.
The further improvement scheme is as follows: the mode selection charging module comprises a first switch and a second switch, and the first switch is connected in series between the output filter circuit and the battery unit; the second switch is connected in series between the interface and the battery unit.
The utility model can also adopt the following technical scheme for solving the problems in the prior art: a charging system, comprising: a charger and a battery pack, the charger comprising: the second controller, the microwave emission module and the charger interface which are electrically connected with the second controller, the microwave emission module is electrically connected with an emission antenna for emitting microwave signals; the battery pack comprises a battery unit, a first controller, a receiving antenna, a mode selection charging module and a socket, wherein the receiving antenna is electrically connected with the first controller, the receiving antenna receives microwave signals sent by the transmitting antenna and outputs the microwave signals to the first controller, the receiving antenna, the mode selection charging module and the battery unit form a first branch, the socket, the mode selection charging module and the battery unit form a second branch, and the first controller judges the access state of the charger and the socket or the access state of the receiving antenna and controls the conduction of the first branch or the second branch.
The further improvement scheme is as follows: the transmitting antenna and the receiving antenna are copper wires which are bent and extended in a reciprocating mode, the bent portion of each copper wire is right-angled, and the working frequency of the transmitting antenna is 2.45 GHZ.
The further improvement scheme is as follows: the charger interface is connected to the second controller and is grounded through a first resistor; the interface is connected to the first controller and is connected with a pull-up power supply through a second resistor.
The further improvement scheme is as follows: the mode selection charging module is connected to the battery unit through a charging management module, and the charging management module is used for protection of overcharge, overvoltage, overtemperature and the like.
Compared with the prior art, the utility model has the following beneficial effects: through be equipped with interface and wireless module of charging on the battery package, and wireless module of charging is including receiving antenna and the mode selection module of charging of receiving microwave signal, and the mode selection module of charging is selected through the interface power supply or the power supply of wireless module of charging through the judgement of first controller, can realize wired wireless charging and can charge while using the instrument.
[ description of the drawings ]
The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:
fig. 1 is a structural view of a battery pack according to the present invention;
FIG. 2 is a block diagram of the charger of the present invention;
FIG. 3 is a block circuit diagram of the charger of the present invention;
fig. 4 is a circuit block diagram of a battery pack of the present invention;
fig. 5 is a structural diagram of an antenna of the battery pack and the charger according to the present invention.
The meaning of the reference symbols in the figures:
100. the device comprises a battery pack 11, a plug interface 12, a receiving antenna 13, an input filter circuit 14, a first rectifying circuit 15, an output filter circuit 16, a charging management module 17, a first controller 200, a charger 21, a charger interface 22, a second rectifying circuit 23, a voltage reduction circuit 24, a microwave transmitting module 25, a transmitting antenna 26, a transmitting processing module 27 and a second controller
[ detailed description ] embodiments
The present invention will be described in further detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1, fig. 2 and fig. 3, the present invention relates to a battery pack 100 and a charger 200, wherein the battery pack 100 includes a housing, a socket 11 disposed on the housing, and a battery unit and a circuit board accommodated in the housing, and the circuit board is provided with a wireless charging module; the charger 200 comprises a charger interface 21 and a microwave transmitting module 24, the microwave transmitting module 24 transmits a microwave signal, and the wireless charging module of the battery pack 100 receives the microwave signal to realize wireless charging; when the interface 11 is connected with the charger interface 21, wired charging can be realized.
Referring to fig. 3, which is a circuit block diagram of a charger 200 according to the present invention, the charger 200 includes a power supply, and a second rectifying circuit 22 connected to the power supply, the second rectifying circuit 22 is connected to a second controller 27 through a voltage-reducing circuit 23, the voltage-reducing circuit 23 is connected to a transmitting antenna 25 through a microwave transmitting module 24, the microwave transmitting module 24 is connected to the second controller 27 through a transmitting processing module 26, the second controller 27 is further connected to a charger interface 21, and the charger interface 21 is grounded through a first resistor R1.
Referring to fig. 4, which is a circuit block diagram of a battery pack 100 according to the present invention, the battery pack 100 includes a socket 11 that can be matched with a charger interface 21, the socket 11 is connected to a first controller 17 and is connected to a pull-up power VCC through a second resistor R2; the battery pack 100 further comprises a receiving antenna 12, the receiving antenna 12 is connected to a first controller 17 through a first rectification circuit 14, an input filter circuit 13 is arranged between the receiving antenna 12 and the first rectification circuit 14, an output filter circuit 15 is arranged between the first rectification circuit 14 and the first controller 17, a mode selection charging module is arranged between the first controller 17 and the battery unit, the wireless charging module, the mode selection charging module and the battery unit form a first branch, the socket 11, the mode selection charging module and the battery unit form a second branch, and the first controller 17 judges the connection state of the charger 200 and the socket 11 or the connection state of the wireless charging module and controls the connection of the first branch or the second branch. In this embodiment, the mode selection charging module includes a first switch Q1 and a second switch Q2, the first switch Q1 is connected in series between the output filter circuit 15 and the battery unit; the second switch Q2 is connected in series between the socket 11 and the battery unit; a charging management module 16 is arranged between the mode selection charging module and the battery.
Referring to fig. 5, in the present embodiment, the transmitting antenna 25 and the receiving antenna 12 are both copper wires extending in a reciprocating bending manner, the bending portion of the copper wire is a right angle, and the operating frequency of the transmitting antenna 25 is 2.45 GHZ. As shown in fig. 3 and 4, when the wireless charging is performed, the power supply is rectified by the second rectifying circuit 22, and is subjected to voltage reduction by the voltage reducing circuit 23 to supply power to the second controller 27 and the microwave transmitting module 24, the microwave transmitting module 24 is configured to generate a microwave signal, a frequency range of the microwave signal is generally 300MHz to 300GHz, and the transmitting processing module 26 is configured to adjust a frequency and a wavelength of the microwave signal, in this embodiment, the transmitting processing module 26 modulates the microwave signal into 2.45GHz, and outputs the microwave signal through the transmitting antenna 25. Because the receiving antenna 12 and the transmitting antenna 25 are arranged in the same manner, the receiving antenna 12 resonates in response to the microwave signal generated by the transmitting antenna 25, so as to generate an alternating current, the alternating current is rectified by the first rectifying circuit 14 after passing through the input filter circuit 13, and is connected to the first controller 17 through the output filter circuit 15, and the high-frequency and low-frequency signals in the microwave signal can be filtered through the input filter circuit 13 and the output filter circuit 15, so that the microwave signal transmitted to the first controller 17 is a stable signal. The battery pack 100 and the charger 200 can be charged by microwave transmission over a long distance of several meters, and the battery pack 100 does not need to be in contact with the charger 200, that is, the battery pack 100 can be charged while being charged, which brings convenience to a user.
The first controller 17 detects the access states of the socket 11 and the wireless charging module, when the socket 11 is accessed, that is, when the socket 11 of the battery pack 100 is plugged into the charger interface 21 of the charger 200, the pull-up power source VCC, the first resistor R1, the second resistor R2 and the ground wire form a loop, and the first controller 17 detects that the voltage of the socket 11 is the divided voltage of the first resistor R1 to the pull-up power source VCC; when the battery pack 100 is not plugged into the charger 200, the voltage detected by the first controller 17 is a pull-up power source VCC voltage. The first controller 17 detects a voltage through the output filter circuit 15, that is, the wireless charging module is accessed; when the voltage output by the output filter circuit 15 is not detected, the wireless charging module is not connected. When the first controller 17 detects that the socket 11 is connected, the second switch Q2 is controlled to be turned on, so that the battery pack 100 is charged with high power through the socket 11; when the first controller 17 does not detect the access of the jack 11 and detects the access of the wireless charging module, the first switch Q1 is controlled to be turned on, so that the battery pack 100 is charged with low power through the wireless charging module; when the first controller 17 detects that the jack 11 and the wireless charging module are simultaneously accessed, the second switch Q2 is controlled to be turned on, so that the battery pack 100 is charged with high power through the jack 11. The charging management module 16 is connected to the battery pack 100, and is configured to detect information such as voltage and temperature of the battery pack 100, and disconnect the battery pack 100 from the socket 11 or the wireless charging module when overcharging, overvoltage, or overtemperature occurs. The battery pack 100 can detect wired charging or wireless charging, and can switch the charging mode according to the user's demand, thereby providing convenience to the user.
According to the utility model, the battery pack 100 is provided with the interface 11 and the wireless charging module, the wireless charging module comprises the receiving antenna 12 for receiving microwave signals and the mode selection charging module, and the mode selection charging module selects power supply through the interface or the wireless charging module according to the judgment of the first controller 17, so that wired and wireless charging can be realized and the wireless charging can be carried out while charging.
The present invention is not limited to the above-described embodiments. It will be readily appreciated by those skilled in the art that numerous other alternatives to the battery pack and charging system of the present invention can be devised without departing from the spirit and scope of the utility model. The protection scope of the present invention is subject to the content of the claims.
Claims (7)
1. A battery pack for connection with a charger, comprising: the wireless charging device comprises a shell, a plug interface arranged on the shell, and a battery unit and a circuit board accommodated in the shell, wherein the circuit board comprises a wireless charging module and a first controller; the method is characterized in that: the wireless charging module comprises a receiving antenna used for receiving a microwave signal transmitted by a charger, the receiving antenna outputs the microwave signal to the first controller, the first controller is connected with a mode selection charging module, the wireless charging module, the mode selection charging module and the battery unit form a first branch, the interface, the mode selection charging module and the battery unit form a second branch, and the first controller judges the access state of the charger and the interface or the wireless charging module and controls the conduction of the first branch or the second branch.
2. The battery pack according to claim 1, wherein: the receiving antenna is connected to the first controller through a first rectifying circuit, an input filter circuit is arranged between the receiving antenna and the first rectifying circuit, and an output filter circuit is arranged between the first rectifying circuit and the first controller.
3. The battery pack according to claim 2, wherein: the mode selection charging module comprises a first switch and a second switch, and the first switch is connected in series between the output filter circuit and the battery unit; the second switch is connected in series between the interface and the battery unit.
4. A charging system, comprising: a charger and a battery pack; the method is characterized in that: the charger includes: the second controller, the microwave emission module and the charger interface which are electrically connected with the second controller, the microwave emission module is electrically connected with an emission antenna for emitting microwave signals; the battery pack comprises a battery unit, a first controller, a receiving antenna, a mode selection charging module and a socket, wherein the receiving antenna is electrically connected with the first controller, the receiving antenna receives microwave signals sent by the transmitting antenna and outputs the microwave signals to the first controller, the receiving antenna, the mode selection charging module and the battery unit form a first branch, the socket, the mode selection charging module and the battery unit form a second branch, and the first controller judges the access state of the charger and the socket or the access state of the receiving antenna and controls the conduction of the first branch or the second branch.
5. The charging system according to claim 4, wherein: the transmitting antenna and the receiving antenna are copper wires which are bent and extended in a reciprocating mode, the bent portion of each copper wire is right-angled, and the working frequency of the transmitting antenna is 2.45 GHZ.
6. The charging system according to claim 5, wherein: the charger interface is connected to the second controller and is grounded through a first resistor; the interface is connected to the first controller and is connected with a pull-up power supply through a second resistor.
7. The charging system according to claim 4, wherein: the mode selection charging module is connected to the battery unit through a charging management module, and the charging management module is used for protection of overcharge, overvoltage, overtemperature and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121204936.8U CN215870927U (en) | 2021-05-31 | 2021-05-31 | Battery pack and charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121204936.8U CN215870927U (en) | 2021-05-31 | 2021-05-31 | Battery pack and charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215870927U true CN215870927U (en) | 2022-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121204936.8U Active CN215870927U (en) | 2021-05-31 | 2021-05-31 | Battery pack and charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215870927U (en) |
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2021
- 2021-05-31 CN CN202121204936.8U patent/CN215870927U/en active Active
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