CN211377642U - Mobile power supply and charging system - Google Patents
Mobile power supply and charging system Download PDFInfo
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- CN211377642U CN211377642U CN202020103182.6U CN202020103182U CN211377642U CN 211377642 U CN211377642 U CN 211377642U CN 202020103182 U CN202020103182 U CN 202020103182U CN 211377642 U CN211377642 U CN 211377642U
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Abstract
The utility model discloses a portable power source and charging system, wherein, portable power source includes: a rechargeable battery; one end of the charging module is connected with the rechargeable battery, and the other end of the charging module is connected to the charging input end of the equipment to be charged so as to form a charging loop; the controllable switch is arranged on the charging loop; the communication module is used for being in communication connection with the equipment to be charged so as to receive the charging state of the equipment to be charged; and the control module is respectively connected with the controllable switch and the communication module, and is used for controlling the controllable switch to be switched off to disconnect the charging loop when the equipment to be charged is fully charged and controlling the controllable switch to be switched on to switch on the charging loop when the electric quantity of the equipment to be charged is lower than a preset threshold value. The utility model discloses the situation of overcharging appears in the battery that can avoid treating battery charging outfit to can prevent that battery damage, battery explosion or the ageing too fast problem of battery from appearing.
Description
Technical Field
The utility model relates to an equipment technical field that charges especially relates to a portable power source and a charging system.
Background
With the development of science and technology, electronic equipment such as mobile terminals gradually enter the lives of people, and mobile power supplies are produced accordingly. At present, after a battery of an electronic device such as a mobile terminal is fully charged, a mobile power supply is continuously connected, which may cause continuous charging of the battery of the mobile terminal, and battery overcharge may occur, thereby accelerating battery aging, and even may cause battery damage and battery explosion.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the above-mentioned technology to a certain extent. Therefore, an object of the utility model is to provide a portable power source, the situation that overcharges appears in the battery that can avoid treating the battery charging outfit to can prevent the problem that battery damage, battery explosion or battery ageing are too fast from appearing.
A second object of the present invention is to provide a charging system.
In order to achieve the above object, an embodiment of the present invention provides a mobile power supply, including: a rechargeable battery; one end of the charging module is connected with the rechargeable battery, and the other end of the charging module is connected to a charging input end of equipment to be charged so as to form a charging loop; a controllable switch disposed on the charging loop; the communication module is used for being in communication connection with the equipment to be charged so as to receive the charging state of the equipment to be charged; the control module is respectively connected with the controllable switch and the communication module, and is used for controlling the controllable switch to be switched off to disconnect the charging loop when the device to be charged is fully charged, and controlling the controllable switch to be switched on to switch on the charging loop when the electric quantity of the device to be charged is lower than a preset threshold value.
According to the utility model discloses portable power source carries out communication connection through communication module and the battery charging outfit to acquire the electric quantity state of waiting to charge the equipment battery, and according to the electric quantity state of waiting to charge the equipment battery through control module, control controllable switch's closure and disconnection, in order control to wait that the battery charging outfit switch-on or break off charging circuit, from this, can avoid waiting to charge the situation that the battery of equipment appears overcharging, thereby can prevent to appear battery damage, battery explosion and the ageing too fast problem of battery.
In addition, the mobile power supply provided according to the above embodiment of the present invention may further have the following additional technical features:
wherein, portable power source still include: the electric quantity monitoring module, the electric quantity monitoring module respectively with rechargeable battery with control module links to each other, the electric quantity monitoring module is used for acquireing rechargeable battery's electric quantity, and under control module's control, through communication module with treat that communication connection between the battery charging outfit will rechargeable battery's electric quantity send to treat battery charging outfit.
Specifically, the communication module is a WIFI module or a bluetooth module.
Or, the communication module is a USB module.
Wherein the controllable switch comprises an MOS tube.
Specifically, the device to be charged is a mobile terminal.
Wherein, the USB module comprises MAX3301E series chips.
Wherein the control module comprises an STM32 series chip.
In order to achieve the above object, an embodiment of the present invention provides a charging system, including the mobile power source of the first aspect; and the equipment to be charged is used for sending the charging state of the equipment to be charged to the mobile power supply and receiving and displaying the electric quantity of a rechargeable battery of the mobile power supply.
According to the utility model discloses charging system is through adopting the portable power source that above-mentioned embodiment provided to and send the charged state of self to portable power source through treating the battery charging outfit, from this, can avoid treating the situation that overcharging appears in the battery of battery charging outfit, thereby can prevent to appear battery damage, battery explosion and the ageing too fast problem of battery.
Drawings
Fig. 1 is a schematic block diagram of a mobile power supply according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a mobile power supply according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a control circuit of a mobile power supply according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a portable power source according to an embodiment of the present invention includes: a rechargeable battery 10, a charging module 20, a controllable switch 30, a communication module 40 and a control module 50. One end of the charging module 20 is connected with the rechargeable battery 10, and the other end of the charging module 20 is connected to the charging input end of the device to be charged to form a charging loop; the controllable switch 30 is arranged on the charging loop; the communication module 40 is used for performing communication connection with the device to be charged so as to receive the charging state of the device to be charged; the control module 50 is respectively connected to the controllable switch 30 and the communication module 40, and is configured to control the controllable switch to be turned off to turn off the charging circuit when the device to be charged is fully charged, and to be turned on to turn on the charging circuit when the charge of the device to be charged is lower than a preset threshold.
Further, as shown in fig. 2, the mobile power supply may further include an electric quantity monitoring module 60, the electric quantity monitoring module 60 is connected to the rechargeable battery 10 and the control module 50, respectively, and the electric quantity monitoring module 60 is configured to obtain the electric quantity of the rechargeable battery 10, and send the electric quantity of the rechargeable battery 10 to the device to be charged through the communication connection between the communication module 40 and the device to be charged under the control of the control module 50. The device to be charged can receive and display the charge of the rechargeable battery 10 of the mobile power supply.
In an embodiment of the present invention, the charging module 20 may include a power conversion circuit, which can convert the output voltage of the rechargeable battery 10 to charge the device to be charged.
The utility model discloses an in the embodiment, treat that charging equipment can be mobile terminal, accessible data line connection between portable power source and the mobile terminal.
The utility model discloses an in one embodiment, communication module 40 can be WIFI module, bluetooth module or USB module to accessible WIFI communicates with the mobile terminal that has the WIFI function, perhaps communicates with the mobile terminal that has the bluetooth function through the bluetooth, perhaps establishes USB communication agreement with the mobile terminal through the USB interface.
The utility model discloses an embodiment, mobile terminal accessible APP detects the state of charge of self, this APP can be according to the state of charge of self, send corresponding instruction to communication module 40 through communication connection, communication module 40 can transmit received instruction for control module 50, control module 50 can be according to the corresponding instruction of receipt to controllable switch 30 output control signal, controllable switch 30 can be according to the corresponding control signal of receipt, the closure and the disconnection of control switch contact to control portable power source switch-on or disconnection charging circuit.
Specifically, when the battery of the mobile terminal is fully charged, the control module 50 may output a circuit-off control signal to the controllable switch 30 according to the received turn-off instruction, so as to turn off the charging circuit and stop charging the mobile terminal; when the electric quantity of the mobile terminal is lower than the preset threshold, the control module 50 may output a close circuit control signal to the controllable switch 30 according to the received charging instruction, so as to switch on the charging loop and start the charging of the mobile terminal. Through the mode, whether the mobile terminal enters the charging state or not is controlled according to the electric quantity state of the mobile terminal battery, the situation that the mobile terminal battery is overcharged can be avoided, and therefore the problems that the battery is damaged, the battery explodes and the battery is aged too fast can be prevented.
The utility model discloses an in the embodiment, mobile terminal accessible APP shows portable power source's rechargeable battery 10's electric quantity to in time charge portable power source in the warning user.
In an embodiment of the present invention, the mobile terminal may be a mobile phone or a tablet computer.
In a specific embodiment of the present invention, taking the communication module 50 as an example of a USB module, as shown in fig. 3, the USB transceiver is preferably a MAX3301E series chip, the control module 40 includes an STM32 series chip, and the MAX3301E and the STM32 are connected through a port to perform data transmission.
In an embodiment of the present invention, the controllable switch 30 may include an MOS transistor, and as shown in fig. 3, the controllable switch 30 may include an N-MOS transistor, a P-MOS transistor, a resistor R, and a capacitor C. The source electrode of the P-MOS tube is connected to a voltage input end Vin of the charging loop, the drain electrode of the P-MOS tube is connected to a voltage output end Vout of the charging loop, and the grid electrode of the P-MOS tube is connected to the drain electrode of the N-MOS tube; the source electrode of the N-MOS tube is grounded, the source electrode of the N-MOS tube is further connected to a voltage output end Vout of the charging loop through a capacitor C, the grid electrode of the N-MOS tube is connected to an MCU-I/O port of the MCU chip, and the drain electrode of the N-MOS tube is connected to a voltage input end Vin of the charging loop through a resistor R.
Based on the circuit, when the control module 40 receives a closing instruction, the MCU-I/O port of the MCU chip outputs a high level, the N-MOS tube is conducted, the point A is a low level, the P-MOS tube is disconnected, the voltage of the voltage input end Vin of the charging loop cannot pass through the P-MOS tube, so that the voltage output end Vout of the charging loop is not output, the charging loop is disconnected, and the mobile terminal is stopped to be charged; when the control module 40 receives a charging instruction, the MCU-I/O port of the MCU chip outputs a low level, the N-MOS transistor is turned off, the point a is a high level, the P-MOS transistor is turned on, and the voltage at the voltage input terminal Vin of the charging loop passes through the P-MOS transistor, so that the voltage at the voltage output terminal Vout of the charging loop is output, the charging loop is closed, and the mobile terminal is turned on for charging.
According to the utility model discloses portable power source carries out communication connection through communication module and the battery charging outfit to acquire the electric quantity state of waiting to charge the equipment battery, and according to the electric quantity state of waiting to charge the equipment battery through control module, control controllable switch's closure and disconnection, in order control to wait that the battery charging outfit switch-on or break off charging circuit, from this, can avoid waiting to charge the situation that the battery of equipment appears overcharging, thereby can prevent to appear battery damage, battery explosion and the ageing too fast problem of battery.
Corresponding to above-mentioned embodiment, the utility model also provides a charging system.
The utility model discloses charging system, include the utility model discloses portable power source and the battery charging outfit of treating of above-mentioned embodiment, wherein, treat that the battery charging outfit can with self the charged state send to portable power source, and receive and show portable power source's rechargeable battery's electric quantity, its detailed implementation can refer to above-mentioned embodiment, for avoiding redundancy, do not have here to describe repeatedly.
According to the utility model discloses charging system is through adopting the portable power source that above-mentioned embodiment provided to and send the charged state of self to portable power source through treating the battery charging outfit, from this, can avoid treating the situation that overcharging appears in the battery of battery charging outfit, thereby can prevent to appear battery damage, battery explosion and the ageing too fast problem of battery.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A mobile power supply, comprising:
a rechargeable battery;
one end of the charging module is connected with the rechargeable battery, and the other end of the charging module is connected to a charging input end of equipment to be charged so as to form a charging loop;
a controllable switch disposed on the charging loop;
the communication module is used for being in communication connection with the equipment to be charged so as to receive the charging state of the equipment to be charged;
the control module is respectively connected with the controllable switch and the communication module, and is used for controlling the controllable switch to be switched off to disconnect the charging loop when the device to be charged is fully charged, and controlling the controllable switch to be switched on to switch on the charging loop when the electric quantity of the device to be charged is lower than a preset threshold value.
2. The mobile power supply according to claim 1, further comprising:
the electric quantity monitoring module, the electric quantity monitoring module respectively with rechargeable battery with control module links to each other, the electric quantity monitoring module is used for acquireing rechargeable battery's electric quantity, and under control module's control, through communication module with treat that communication connection between the battery charging outfit will rechargeable battery's electric quantity send to treat battery charging outfit.
3. The mobile power supply according to claim 1 or 2, wherein the communication module is a WIFI module or a bluetooth module.
4. The mobile power supply according to claim 1 or 2, wherein the communication module is a USB module.
5. The mobile power supply according to claim 1 or 2, wherein the controllable switch comprises a MOS transistor.
6. The mobile power supply according to claim 1 or 2, wherein the device to be charged is a mobile terminal.
7. The mobile power supply of claim 4, wherein the USB module comprises a MAX3301E series chip.
8. The mobile power supply of claim 7, wherein the control module comprises an STM32 family chip.
9. An electrical charging system, comprising:
the mobile power supply of any one of claims 1-8;
and the equipment to be charged is used for sending the charging state of the equipment to be charged to the mobile power supply and receiving and displaying the electric quantity of a rechargeable battery of the mobile power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020103182.6U CN211377642U (en) | 2020-01-17 | 2020-01-17 | Mobile power supply and charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020103182.6U CN211377642U (en) | 2020-01-17 | 2020-01-17 | Mobile power supply and charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211377642U true CN211377642U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020103182.6U Active CN211377642U (en) | 2020-01-17 | 2020-01-17 | Mobile power supply and charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211377642U (en) |
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2020
- 2020-01-17 CN CN202020103182.6U patent/CN211377642U/en active Active
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