CN215733552U - Charger, terminal and charging system - Google Patents
Charger, terminal and charging system Download PDFInfo
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- CN215733552U CN215733552U CN202121481594.4U CN202121481594U CN215733552U CN 215733552 U CN215733552 U CN 215733552U CN 202121481594 U CN202121481594 U CN 202121481594U CN 215733552 U CN215733552 U CN 215733552U
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Abstract
The embodiment of the application relates to the technical field of charging, and discloses a charger, a terminal and a charging system, wherein the charger comprises: the device comprises a first voltage reduction chip, a first protocol chip and a first voltage regulation chip; the first voltage reduction chip is used for connecting an external power supply and carrying out voltage reduction processing on the external power supply; the first protocol chip is connected with the first voltage reduction chip, the first protocol chip is also used for being connected with a charging protocol chip of the terminal, the first protocol chip is used for determining a charging mode of the terminal with the charging protocol chip, and the first voltage reduction chip outputs corresponding output voltage according to the charging mode; the first voltage regulation chip is respectively connected with the first protocol chip and the first voltage reduction chip and is used for regulating the output voltage according to the charging mode to obtain a charging voltage; the first voltage regulating chip is also used for connecting a battery of the terminal and transmitting the charging voltage to the battery. Therefore, the heat generated by the terminal due to voltage regulation is reduced, and the heat generation of the terminal is reduced.
Description
Technical Field
The embodiment of the application relates to the technical field of charging, in particular to a charger, a terminal and a charging system.
Background
At present, mobile terminal equipment is upgraded more and more quickly, application upgrading and experience upgrading are performed, power consumption of a mobile terminal is higher and higher, and accordingly a mobile phone or a tablet generates heat seriously, and the heating condition is particularly serious in a charging scene. The existing mainstream charging scheme is that the voltage from the Charger firstly passes through a Charger IC (charging IC) of the mobile terminal and then reaches the battery of the mobile terminal; the role of the charge IC mainly includes two aspects: firstly, the battery of the mobile intelligent terminal is matched with different charging modes through a charging protocol, and secondly, the charging voltage of the battery is adjusted.
However, the charge IC has a certain power consumption during the operation process, which causes the heating of the mobile terminal to be aggravated during the charging process, which not only affects the use of the user, but also causes damage to the internal devices of the mobile terminal and affects the service life of the mobile terminal.
SUMMERY OF THE UTILITY MODEL
An object of the embodiments of the present application is to provide a charger, a terminal, and a charging system, which reduce heat generation of a mobile terminal and prolong the service life of the mobile terminal in a charging process.
To solve the above technical problem, an embodiment of the present application provides a charger, including: the device comprises a first voltage reduction chip, a first protocol chip and a first voltage regulation chip; the first voltage reduction chip is used for connecting an external power supply and carrying out voltage reduction processing on the external power supply; the first protocol chip is connected with the first voltage reduction chip, the first protocol chip is also used for being connected with a charging protocol chip of a terminal, the first protocol chip is used for determining a charging mode of the terminal with the charging protocol chip, and the first voltage reduction chip outputs corresponding output voltage according to the charging mode; the first voltage regulating chip is respectively connected with the first protocol chip and the first voltage reduction chip and is used for regulating the output voltage according to the charging mode to obtain a charging voltage; the first voltage regulating chip is also used for connecting a battery of the terminal and transmitting the charging voltage to the battery.
The embodiment of the application also provides a terminal, which is used for being connected with the charger; the terminal includes: a charging protocol chip, a battery; when the terminal is connected with the charger, the charging protocol chip is connected with the first protocol chip of the charger, and the charging protocol chip is used for determining a charging mode of the terminal with the first protocol chip; the battery is used for being connected with the first voltage regulating chip and receiving the charging voltage transmitted by the first voltage regulating chip.
An embodiment of the present application further provides a charging system, including: a terminal and a charger; the terminal comprises a charging protocol chip and a battery; the charger comprises a first voltage reduction chip, a first protocol chip and a first voltage regulation chip; the first voltage reduction chip is used for connecting an external power supply and carrying out voltage reduction processing on the external power supply; the first protocol chip is connected with the first voltage reduction chip, the first protocol chip is also connected with the charging protocol chip, the first protocol chip and the charging protocol chip jointly determine a charging mode of the terminal, and the first voltage reduction chip outputs corresponding output voltage according to the charging mode; the first voltage regulating chip is respectively connected with the first protocol chip and the first voltage reduction chip and is used for regulating the output voltage according to the charging mode to obtain a charging voltage; the first voltage regulating chip is also connected with a battery of the terminal, and the first voltage regulating chip transmits the charging voltage to the battery.
Compared with the prior art, the voltage regulation method and the terminal have the advantages that the first voltage regulation chip is arranged in the charger, and the voltage regulation process is arranged in the charger, so that the terminal does not need to perform the voltage regulation step in the charging process, the heat generated by the terminal due to voltage regulation can be reduced, the heat generated by the terminal is transferred to the charger, and the heat generation of the terminal is reduced.
In addition, the charger further comprises a rectification chip, and the rectification chip is connected between the first voltage reduction chip and the external power supply.
In addition, the output voltage is 5V or 9V or 12V.
In addition, the charging voltage is 3.2V to 4.4V.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic diagram of a charger according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a terminal according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a terminal connected to a charger according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a terminal connected to a general charger according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a charging system according to an embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in the examples of the present application, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present application, and the embodiments may be mutually incorporated and referred to without contradiction.
An embodiment of the present application relates to a charger, and a specific structural schematic diagram is shown in fig. 1, where the charger 10 includes: a first buck chip 101, a first protocol chip 102, and a first voltage regulation chip 103.
Specifically, the first buck chip 101 is used for accessing an external power supply 104 and performing buck processing on the external power supply; that is, the first buck chip 101 is used for performing a buck process on a voltage input from an external power source to the charger 10, so that the voltage is within an acceptable range of the charging terminal.
Specifically, the first protocol chip 102 is connected to the first buck chip 101, the first protocol chip 102 is further configured to be connected to a charging protocol chip of the terminal, the first protocol chip 102 is configured to determine a charging mode of the terminal with the charging protocol chip, and the first buck chip 101 outputs a corresponding output voltage according to the charging mode; the first voltage regulation chip 103 is respectively connected with the first protocol chip 102 and the first buck chip 101, and the first voltage regulation chip 103 is used for regulating the output voltage according to the charging mode to obtain a charging voltage; the first voltage regulating chip 103 is also used to connect the battery of the terminal and transmit the charging voltage to the battery.
In the process of connecting and charging the charger 10 with the terminal, the first protocol chip 102 of the charger 10 and the charging protocol chip of the terminal need to jointly determine the current charging mode of the terminal, so as to determine the charging voltage of the terminal, therefore, the first protocol chip 102 of the charger 10 needs to be connected with the charging protocol chip of the terminal, and the first protocol chip 102 of the charger 10 and the charging protocol chip of the terminal determine the charging mode of the terminal; the first protocol chip 102 is connected to the first buck module, and after determining the charging mode, the first protocol chip 102 notifies the first buck chip 101, and the first buck chip 101 outputs a corresponding output voltage according to the charging mode. In order to further obtain the charging voltage input to the terminal, the first voltage regulation chip 103 is connected to the first protocol chip 102 and the first buck chip 101, the first protocol chip 102 sends the charging mode to the first voltage regulation chip 103, the first buck chip 101 sends the output voltage to the first voltage regulation chip 103, the first voltage regulation chip 103 further regulates the output voltage according to the charging mode to obtain a charging power supply, and inputs the charging voltage to the battery of the terminal to supply power to the battery of the terminal.
In the embodiment, the first voltage regulating chip 103 is disposed in the charger 10, and the voltage regulating process is set in the charger 10, so that the terminal does not need to perform the voltage regulating step in the charging process, the heat generated by the terminal due to the voltage regulation can be reduced, the heat generated by the terminal is transferred to the charger 10, and the heat generation of the terminal is reduced.
In one embodiment, the charger 10 further includes a rectifying chip connected between the first buck chip 101 and an external power source. Specifically, the external power source is ac power, and the charger 10 needs to convert the ac power into dc power to supply power to the battery of the terminal, so that a rectifying chip is disposed between the first buck chip 101 and the external power source to convert the ac power of the external power source into dc power.
In one embodiment, the output voltage is 5V or 9V or 12V. In different charging modes, the corresponding output voltages are different, and in the present embodiment, three different modes are included, which correspond to different output voltages, i.e. 5V, 9V, or 12V, respectively.
In one embodiment, the charging voltage is 3.2V to 4.4V.
An embodiment of the present application relates to a terminal, which is used to connect with a charger in the previous embodiment, and a schematic structural diagram of the terminal of the present embodiment is shown in fig. 2, where the terminal 20 includes: a charging protocol chip 201 and a battery 202.
Specifically, when the terminal 20 is connected to a charger, the charging protocol chip 201 is connected to a first protocol chip of the charger, and the charging protocol chip 201 is configured to determine a charging mode of the terminal 20 with the first protocol chip; the battery 202 is used for being connected with the first voltage regulating chip and receiving the charging voltage transmitted by the first voltage regulating chip.
In the terminal 20 of this embodiment, the voltage is regulated by the first voltage regulating chip of the charger without performing the voltage regulating step, so that the heat generated by the terminal 20 due to the voltage regulation can be reduced, and the heat generated by the terminal 20 is transferred to the charger, thereby reducing the heat generation of the terminal 20.
It is to be understood that the present embodiment includes the terminal embodiment in which the charger of the previous embodiment is matched with each other, and the present embodiment can be implemented in combination with the charger of the previous embodiment. The related technical details mentioned in the above embodiments are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related art details mentioned in the present embodiment can also be applied to the above-described embodiment of the charger.
In an embodiment, as shown in fig. 3, which is a schematic structural diagram of the terminal of this embodiment, the terminal 20 further includes: a power channel selection chip 203 and a second voltage regulation chip 204; the terminal 20 is further configured to connect to a normal charger, where the normal charger includes a second voltage reduction chip and a second protocol chip, and the second voltage reduction chip is configured to access an external power supply and perform voltage reduction processing on the external power supply; the second protocol chip is connected to the second buck chip, the second protocol chip is further configured to be connected to the charging protocol chip 201 of the terminal 20, the second protocol chip is configured to charge the second protocol chip and determine a charging mode of the terminal 20, and the second buck chip outputs a corresponding output voltage according to the charging mode.
Specifically, the power channel selection chip 203 is connected to the battery 202 through a first channel, the power channel selection chip 203 is connected to the second voltage regulation chip 204 through a second channel, and the second voltage regulation chip 204 is further connected to the charging protocol chip 201 and the battery 202, respectively; when the terminal 20 is connected with the charger, the power channel selection chip 203 is connected with the first voltage regulation chip, the first channel is connected, and the second channel is disconnected; when the terminal 20 is connected to a general charger, the power channel selection chip 203 is connected to the second buck chip, the first channel is turned off, the second channel is turned on, and the second voltage regulation chip 204 is configured to regulate the output voltage of the second buck chip according to a charging mode to obtain a charging voltage.
The terminal 20 of this embodiment has a power channel selection chip 203, and when the terminal 20 is connected to the charger of the previous embodiment, as shown in fig. 4, it is a schematic structural diagram of the terminal of this embodiment connected to the charger; the power channel selection chip 203 is connected to the first voltage regulation chip 103 of the charger 10, the first channel is on, and the second channel is off (the second channel is not identified); at this time, the charger 10 charges the battery 202 of the terminal 20 through the first channel, and the first voltage regulating chip 103 of the charger 10 regulates the voltage, so that the amount of heat generated by the terminal 20 due to the voltage regulation can be reduced, and the amount of heat generated by the terminal 20 is transferred to the charger 10, thereby reducing the heat generation of the terminal 20. When the terminal 20 is connected with a normal charger, as shown in fig. 5, it is a schematic structural diagram of the terminal of the present example connected with a normal charger; the common charger does not have a voltage regulation chip, at this time, the first channel is closed (the first channel is not identified in the figure), the second channel is conducted, the second voltage regulation chip 204 is arranged inside the terminal 20, the second voltage regulation chip 204 is also respectively connected with the charging protocol chip 201 of the terminal 20 and the battery 202 of the terminal 20, the charging protocol chip 201 can send the charging mode to the second voltage regulation chip 204, and the second voltage regulation chip 204 regulates the output voltage of the second voltage reduction chip after receiving the output voltage of the second voltage reduction chip of the common charger, so as to obtain the charging voltage of the terminal 20, and transmits the charging voltage to the battery 202 of the terminal 20, so as to supply power to the battery 202 of the terminal 20.
The terminal 20 of the present embodiment can be charged by two chargers, and can be charged by the special charger in the previous embodiment, so as to reduce the heat generation of the terminal 20, or can be charged by a common charger without the special charger.
In one embodiment, the terminal 20 further includes a central processor, and the charging protocol chip 201 is connected to the second voltage regulating chip 204 through the central processor. Specifically, the central processor may assist the operation of the charging protocol chip 201 and the second voltage regulating chip 204.
An embodiment of the present application relates to a charging system, including the terminal and the charger in the above embodiments; fig. 6 is a schematic structural diagram of the connection between the terminal 20 and the charger 10 in this embodiment.
Specifically, the terminal 20 includes a charging protocol chip 201, a battery 202; the charger 10 comprises a first voltage reduction chip 101, a first protocol chip 102 and a first voltage regulation chip 103; the first buck chip 101 is used for accessing an external power supply and carrying out buck processing on the external power supply; the first protocol chip 102 is connected with the first buck chip 101, the first protocol chip 102 is further connected with the charging protocol chip 201, the first protocol chip 102 and the charging protocol chip 201 jointly determine a charging mode of the terminal 20, and the first buck chip 101 outputs corresponding output voltage according to the charging mode; the first voltage regulation chip 103 is respectively connected with the first protocol chip 102 and the first buck chip 101, and the first voltage regulation chip 103 is used for regulating the output voltage according to the charging mode to obtain a charging voltage; the first voltage regulating chip 103 is also connected to the battery 202 of the terminal 20, and the first voltage regulating chip 103 transmits the charging voltage to the battery 202.
It is to be understood that the present embodiment includes the charger and the terminal of the above embodiments, and the present embodiment can be implemented in cooperation with the charger and the terminal of the above embodiments. The related technical details mentioned in the above embodiments are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related art details mentioned in the present embodiment can also be applied to the above-mentioned charger and terminal embodiments.
In one embodiment, the terminal 20 and the charger 10 are connected via a Type-C interface.
In one embodiment, the terminal 20 further comprises a central processor, which is connected to the charging protocol chip 201 and the battery 202; the central processing unit is used for sending the state parameters of the battery 202 to the charging protocol chip 201; the charging protocol chip 201 is used for determining a charging mode according to the state parameter. When determining the charging mode of the terminal 20, the charging protocol chip 201 determines the charging mode of the terminal 20 by considering the current state parameters of the battery 202 of the terminal 20, including the state parameters of the battery 202, such as the electric quantity and the temperature, so as to improve the service life of the battery 202 of the terminal 20.
The above division of various components is only for clarity of description, and it is within the scope of the present patent to combine one component or split some components into multiple components when implemented, as long as the same logical relationship is included.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the present application, and that various changes in form and details may be made therein without departing from the spirit and scope of the present application in practice.
Claims (10)
1. A charger, comprising: the device comprises a first voltage reduction chip, a first protocol chip and a first voltage regulation chip;
the first voltage reduction chip is used for connecting an external power supply and carrying out voltage reduction processing on the external power supply;
the first protocol chip is connected with the first voltage reduction chip, the first protocol chip is also used for being connected with a charging protocol chip of a terminal, the first protocol chip is used for determining a charging mode of the terminal with the charging protocol chip, and the first voltage reduction chip outputs corresponding output voltage according to the charging mode;
the first voltage regulating chip is respectively connected with the first protocol chip and the first voltage reduction chip and is used for regulating the output voltage according to the charging mode to obtain a charging voltage; the first voltage regulating chip is also used for connecting a battery of the terminal and transmitting the charging voltage to the battery.
2. The charger according to claim 1, further comprising a rectifying chip connected between the first buck chip and the external power source.
3. The charger of claim 1, wherein the output voltage is 5V or 9V or 12V.
4. The charger of claim 1, wherein the charging voltage is 3.2V to 4.4V.
5. A terminal, characterized in that it is used for connecting with a charger according to any one of claims 1 to 4; the terminal includes: a charging protocol chip, a battery;
when the terminal is connected with the charger, the charging protocol chip is connected with the first protocol chip of the charger, and the charging protocol chip is used for determining a charging mode of the terminal with the first protocol chip;
the battery is used for being connected with the first voltage regulating chip and receiving the charging voltage transmitted by the first voltage regulating chip.
6. The terminal of claim 5, further comprising: the power supply channel selection chip and the second voltage regulation chip are connected with the power supply channel selection chip; the terminal is also used for connecting a common charger, the common charger comprises a second voltage reduction chip and a second protocol chip, and the second voltage reduction chip is used for accessing the external power supply and carrying out voltage reduction processing on the external power supply; the second protocol chip is connected with the second voltage reduction chip, the second protocol chip is used for being connected with a charging protocol chip of the terminal and determining a charging mode of the terminal, and the second voltage reduction chip outputs corresponding output voltage according to the charging mode;
the power channel selection chip is connected with the battery through a first channel, the power channel selection chip is connected with the second voltage regulation chip through a second channel, and the second voltage regulation chip is also respectively connected with the charging protocol chip and the battery;
when the terminal is connected with the charger, the power supply selection chip is connected with the first voltage regulation chip, the first channel is conducted, and the second channel is cut off;
when the terminal is connected with the common charger, the power supply selection chip is connected with the second voltage reduction chip, the first channel is switched off, the second channel is switched on, and the second voltage regulation chip is used for regulating the output voltage of the second voltage reduction chip according to the charging mode to obtain the charging voltage.
7. The terminal of claim 6, further comprising a central processing unit, wherein the charging protocol chip is connected to the second voltage regulating chip through the central processing unit.
8. An electrical charging system, comprising: a terminal and a charger;
the terminal comprises a charging protocol chip and a battery;
the charger comprises a first voltage reduction chip, a first protocol chip and a first voltage regulation chip;
the first voltage reduction chip is used for connecting an external power supply and carrying out voltage reduction processing on the external power supply;
the first protocol chip is connected with the first voltage reduction chip, the first protocol chip is also connected with the charging protocol chip, the first protocol chip and the charging protocol chip jointly determine a charging mode of the terminal, and the first voltage reduction chip outputs corresponding output voltage according to the charging mode;
the first voltage regulating chip is respectively connected with the first protocol chip and the first voltage reduction chip and is used for regulating the output voltage according to the charging mode to obtain a charging voltage; the first voltage regulating chip is also connected with a battery of the terminal, and the first voltage regulating chip transmits the charging voltage to the battery.
9. The charging system according to claim 8, comprising: the terminal and the charger are connected through a Type-C interface.
10. The charging system of claim 8, wherein the terminal further comprises a central processor, the central processor connecting the charging protocol chip and the battery; the central processing unit is used for sending the state parameters of the battery to the charging protocol chip; the charging protocol chip is used for determining the charging mode according to the state parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121481594.4U CN215733552U (en) | 2021-06-30 | 2021-06-30 | Charger, terminal and charging system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121481594.4U CN215733552U (en) | 2021-06-30 | 2021-06-30 | Charger, terminal and charging system |
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| CN215733552U true CN215733552U (en) | 2022-02-01 |
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| CN202121481594.4U Active CN215733552U (en) | 2021-06-30 | 2021-06-30 | Charger, terminal and charging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273086A1 (en) * | 2021-06-30 | 2023-01-05 | 华勤技术股份有限公司 | Charger, terminal, and charging system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023273086A1 (en) * | 2021-06-30 | 2023-01-05 | 华勤技术股份有限公司 | Charger, terminal, and charging system |
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