CN219107069U - Terminal, charging base and charging system - Google Patents
Terminal, charging base and charging system Download PDFInfo
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- CN219107069U CN219107069U CN202222808780.5U CN202222808780U CN219107069U CN 219107069 U CN219107069 U CN 219107069U CN 202222808780 U CN202222808780 U CN 202222808780U CN 219107069 U CN219107069 U CN 219107069U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a terminal, a charging base and a charging system, wherein the terminal comprises a battery, a charging module and a control module, the control module is respectively and electrically connected with the battery and the charging module, the output end of the charging module is connected with the battery, and the input end of the charging module is used for being connected with the charging base; the control module controls the charging module to transmit the received target constant current to the battery by triggering a first control signal, wherein the target constant current is provided by a constant current source module in the charging base. Like this, through control this charge module will the constant current source module in the charging base provides the target constant current electricity transmission to the battery to charge for this battery through this target constant current electricity, can effectively promote the charge efficiency, reduce the heat and produce, thereby also can effectively shorten the duration of charging, promote user experience.
Description
Technical Field
The disclosure relates to the field of charging technologies, and in particular relates to a terminal, a charging base and a charging system.
Background
With the development of electronic technology, the volume of the terminal is reduced again and again, and with the reduction of the volume of the terminal, the higher the heat dissipation requirement is, the higher the requirement on the charging technology is. At present, small-size terminal equipment (such as a watch, a sport bracelet and the like) is charged, and is influenced by the size and heat dissipation conditions of the small-size terminal equipment, so that the general charging current is small, the charging efficiency is low, the charging time is long, and the application experience is not facilitated.
Disclosure of Invention
In order to overcome the problems in the related art, the present disclosure provides a terminal, a charging base and a charging system.
According to a first aspect of embodiments of the present disclosure, there is provided a terminal, including a battery, a charging module, and a control module, where the control module is electrically connected to the battery and the charging module, respectively, an output end of the charging module is connected to the battery, and an input end of the charging module is used to connect to a charging base;
the control module controls the charging module to charge the battery in a direct charging mode by triggering a first control signal, wherein in the direct charging mode, the charging module directly transmits a received target constant current to the battery, and the target constant current is provided by a constant current source module in the charging base.
Optionally, the input end of the charging module is used for being connected with a constant current source module in the charging base;
the control module controls the charging module to charge the battery through a linear charging mode by triggering a second control signal, wherein in the linear charging mode, the charging module converts a target constant voltage of a first voltage into a direct current of a second voltage to charge the battery, and the target constant voltage is provided by the constant current source module.
Optionally, the charging module comprises a switching tube and a linear voltage conversion circuit, the switching tube is connected with the linear voltage conversion circuit, the control module is connected with the switching tube,
the control module is used for collecting the current voltage of the battery and sending the first control signal to the switching tube under the condition that the current voltage is determined to be larger than a first preset voltage threshold value and smaller than a second preset voltage threshold value;
and the switching tube is used for being conducted in response to receiving the first control signal so as to short-circuit the linear voltage conversion circuit to form a direct charging path, and the target constant current is transmitted to the battery through the direct charging path.
Optionally, the control module is connected with the control end of the switching tube;
the control module is used for sending a second control signal to the control end of the switching tube under the condition that the current voltage is smaller than a first preset voltage threshold or the current voltage is larger than a second preset voltage threshold;
the switching tube is used for responding to the receiving of the second control signal and is cut off;
the linear voltage conversion circuit is used for converting the received target constant voltage of the first voltage into direct current of the second voltage to charge the battery under the condition that the switching tube is cut off.
Optionally, the linear voltage conversion circuit includes the triode, and the first end of first resistance is connected to the collecting electrode of triode, and the second end of first resistance is connected the negative pole of diode and operational amplifier's homophase input, the positive pole of diode is used for ground connection, operational amplifier's inverting input is connected the first end of second resistance and the first end of third resistance, the second end of second resistance is connected the projecting pole of triode, the second end of third resistance is used for ground connection, the collecting electrode of triode with the positive pole of diode is as the input of linear charging module, the projecting pole of triode with the positive pole of diode is as the output of linear charging module.
Optionally, an input end of the switching tube is connected with a collector electrode of the triode, and an output end of the switching tube is connected with an emitter electrode of the triode.
According to a second aspect of embodiments of the present disclosure, there is provided a charging base, comprising a constant current source module and an interface assembly,
the first end of the interface component is connected with the first end of the constant current source module, and the second end of the interface component is used for being connected with a power adapter;
and the second end of the constant current source module is used as an output end of the charging base and is used for being connected with a terminal to be charged and providing a target constant current or target constant voltage for the terminal.
Optionally, the constant current source module is configured to provide a target constant current to the terminal when it is determined that the terminal is in the direct charging mode.
Optionally, the constant current source module is configured to provide a target constant voltage power to the terminal if it is determined that the terminal is in the linear charging mode.
According to a third aspect of embodiments of the present disclosure, there is provided a charging system including the charging base described in the first aspect above and the terminal shown in the second aspect above.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
the terminal comprises a battery, a charging module and a control module, wherein the control module is respectively and electrically connected with the battery and the charging module, the output end of the charging module is connected with the battery, and the input end of the charging module is used for being connected with a charging base; the control module controls the charging module to transmit the received target constant current to the battery by triggering a first control signal, wherein the target constant current is provided by a constant current source module in the charging base. Like this, through control this charge module will the constant current source module in the charging base provides the target constant current electricity transmission to the battery to charge for this battery through this target constant current electricity, can effectively promote the charge efficiency, reduce the heat and produce, thereby also can effectively shorten the duration of charging, promote user experience.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a block diagram of a terminal shown in an exemplary embodiment of the present disclosure;
FIG. 2 is a schematic diagram illustrating a change in current and voltage during a charging process according to an exemplary embodiment of the present disclosure;
FIG. 3 is a block diagram of a terminal shown in accordance with the embodiment of FIG. 2 of the present disclosure;
FIG. 4 is a schematic diagram of a linear voltage conversion circuit shown in an exemplary embodiment of the present disclosure;
fig. 5 is a block diagram of a charging base according to an exemplary embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
FIG. 1 is a block diagram of a terminal shown in an exemplary embodiment of the present disclosure; as shown in fig. 1, the terminal comprises a battery 101, a charging module 102 and a control module 103, wherein the control module 103 is electrically connected with the battery 101 and the charging module 102 respectively, the output end of the charging module 102 is connected with the battery 101, and the input end of the charging module 102 is used for being connected with a charging base;
the control module 103 controls the charging module 102 to charge the battery 101 through a direct charging mode by triggering a first control signal, wherein in the direct charging mode, the charging module 102 directly transmits the received target constant current to the battery 101, and the target constant current is provided by a constant current source module in the charging base.
Wherein, the control module 103 may send a first control signal to the charging module 102 when it is determined that the battery 101 is in a constant current charging phase; the charging module 102 charges the battery 101 in a direct charge mode in response to receiving the first control signal.
It should be noted that, the above embodiment of determining that the battery 101 is in the constant current charging stage may include: the current voltage of the battery 101 is obtained, and in the case that the current voltage is greater than the first preset voltage threshold and less than the second preset voltage threshold, it may be determined that the battery is currently in the constant current charging stage. The constant current source module can output stable 5V voltage and 1A (or 2A) current, the constant current source module can be any circuit module capable of providing stable voltage and stable current in the prior art, and the circuit module capable of providing stable voltage and stable current in the prior art is more, so that the constant current source module is not limited by the disclosure.
Optionally, the input end of the charging module 102 is used for connecting with a constant current source module in a charging base;
the control module 103 controls the charging module 102 to charge the battery 101 through a linear charging mode by triggering a second control signal, wherein in the linear charging mode, the charging module 102 converts a target constant voltage of a first voltage into a direct current of a second voltage to charge the battery 101, and the target constant voltage is provided by the constant current source module.
Wherein, the control module 103 may send a second control signal to the charging module 102 in case it is determined that the battery 101 is in a precharge phase or a constant voltage charging phase; the charging module 102 charges the battery 101 in a linear charging mode in response to receiving the second control signal. The first voltage may be different from the second voltage, for example, the first voltage may be a voltage of 5V, the second voltage may be 4V, 4.2V, etc.
It should be noted that, when it is determined that the current voltage is smaller than the first preset voltage threshold, it may be determined that the battery 101 is in the precharge phase, and when it is determined that the current voltage is larger than the second preset voltage threshold, it may be determined that the battery 101 is in the constant voltage charge phase.
In addition, it should be further noted that, fig. 2 is a schematic diagram illustrating a change of current and voltage during a charging process according to an exemplary embodiment of the present disclosure, as shown in fig. 2, the pre-charging stage is used to perform restorative charging on a fully discharged battery, and the pre-charging is typically performed when the battery voltage is lower than a first preset voltage threshold (e.g. V1 in fig. 2, where V1 may be 2.8V,2.9V,3V, etc.), and the pre-charging current may be less than the constant current charging current, for example, may be one tenth of the constant current charging current. For example, in the case where the constant charging current is 1A, the precharge current may be 100mA. And a constant-current charging stage, in which when the battery voltage rises above a first preset charging threshold and a second preset charging threshold (such as V2 in fig. 2, where V2 may be 4.0V,4.1V,4.2V, etc.), the charging current is increased to perform constant-current charging, the battery voltage increases gradually with the constant-current charging process, and when the battery voltage is greater than the second preset charging threshold, the constant-current charging stage ends, and the constant-voltage charging stage is entered, in which the battery is charged at a constant voltage (e.g., 4.2V), and in which the charging current is gradually reduced from a maximum value with the continuation of the charging process according to the saturation degree of the battery core, and when the charging current decreases to a certain value, the charging is determined to be terminated.
According to the technical scheme, the target constant current provided by the constant current source module in the charging base is transmitted to the battery by controlling the charging module 102, so that the battery is charged through the target constant current, the charging efficiency can be effectively improved, the heat generation is reduced, the charging duration can be effectively shortened, and the user experience is improved.
Fig. 3 is a block diagram of a terminal according to the embodiment of fig. 2 of the present disclosure, and as shown in fig. 3, the charging module 102 includes a switching tube 1021 and a linear voltage conversion circuit 1022, the switching tube 1021 is connected to the linear voltage conversion circuit 1022, the control module 103 is connected to the switching tube 1021,
the control module 103 is configured to collect a current voltage of the battery 101, and send the first control signal to the switch tube 1021 when it is determined that the current voltage is greater than a first preset voltage threshold and less than a second preset voltage threshold;
the switch 1021 is configured to be turned on in response to receiving the first control signal, so as to short-circuit the linear voltage conversion circuit 1022, form a direct-charge path, and transmit the target constant current to the battery 101 through the direct-charge path.
The switch tube 1021 may be a transistor, for example, may be a MOS tube, when the switch tube 1021 is turned on, the linear voltage conversion circuit 1022 is shorted, constant current provided by the constant current source module in the charging base is directly transmitted to the battery 101 after passing through the switch tube 1021, and because the internal resistance of the switch tube 1021 is smaller, the power consumption is smaller, the generated heat is smaller, so that the charging efficiency can be effectively improved, and because the heat dissipation condition is not considered, the charging current of the constant current charging stage can be properly improved, and further the terminal charging time can be effectively shortened, which is beneficial to improving the user experience.
Optionally, the control module 103 is connected to a control end of the switch tube 1021;
the control module 103 is configured to send a second control signal to the control end of the switch tube 1021 when it is determined that the current voltage is less than a first preset voltage threshold or the current voltage is greater than a second preset voltage threshold;
the switch tube 1021 is configured to be turned off in response to receiving the second control signal;
the linear voltage conversion circuit 1022 is configured to convert the target constant voltage of the received first voltage into the direct current of the second voltage to charge the battery 101 when the switching tube 1021 is turned off.
The principle of the linear conversion circuit may be any voltage conversion module in the prior art, as shown in fig. 4, fig. 4 is a schematic diagram of a linear voltage conversion circuit shown in an exemplary embodiment of the present disclosure, the linear voltage conversion circuit 1022 includes a transistor Q1, a collector of the transistor Q1 is connected to a first end of a first resistor R1, a second end of the first resistor R1 is connected to a cathode of a diode D and a non-inverting input end of an operational amplifier UC, an anode of the diode D is used for grounding, an inverting input end of the operational amplifier UC is connected to a first end of a second resistor R2 and a first end of a third resistor R3, a second end of the second resistor R2 is connected to an emitter of the transistor Q1, a second end of the third resistor R3 is used for grounding, a collector of the transistor Q1 and an anode of the diode D are used as input ends of the charging module 102, and an emitter of the diode and an anode of the diode are used as output ends of the charging module 102.
An input end of the switch tube 1021 is connected with a collector of the triode Q1, and an output end of the switch tube 1021 is connected with an emitter of the triode Q1.
It should be noted that, the linear voltage conversion circuit 1022 controls the triode Q1 to enter an amplified state by controlling the base voltage of the triode Q1 (the collector voltage is greater than the base voltage and the base voltage is greater than the emitter voltage), so that the current and the voltage output by the output terminal are changed by changing the input current of the input terminal of the linear voltage conversion circuit 1022, thereby achieving the purpose of converting the voltage and the current.
According to the technical scheme, the on and off of the switch tube 1021 in the charging module 102 are controlled, the charging module 102 is controlled to enter the direct charging mode and the linear charging mode, the charging module can be effectively controlled to enter the direct charging mode in a constant current charging stage, the target constant current provided by the constant current source module in the charging base can be transmitted to the battery in the direct charging mode, so that the battery is charged through the target constant current, the charging efficiency can be effectively improved, the heat generation is reduced, the charging duration can be effectively shortened, and the user experience is improved.
FIG. 5 is a block diagram of a charging base shown in an exemplary embodiment of the present disclosure; the charging base may include a constant current source module 501 and an interface assembly 502 as shown in fig. 5;
a first end of the interface module 502 is connected to a first end of the constant current source module 501, and a second end of the interface module 502 is used for connecting to a power adapter; the second end of the constant current source module 501 is used as an output end of the charging base, and is used for connecting a terminal to be charged and providing a target constant current or a target constant voltage to the terminal.
The constant current source module 501 is configured to provide a target constant current (e.g., 1A or 2A current) to the terminal when the terminal is determined to be in the direct charging mode, and the constant current source module 501 is configured to provide a target constant voltage (e.g., 5V voltage) to the terminal when the terminal is determined to be in the linear charging mode. The interface module 502 may be a USB interface or other interfaces, and the constant current source module 501 may be any circuit module capable of providing a stable voltage and a stable current in the prior art, which is not limited in this disclosure.
According to the technical scheme, the constant current source module is added in the charging base, so that the constant current source module provides the target constant current for the battery in the terminal in the direct charging mode to charge the battery, and provides the target constant voltage for the terminal under the condition that the terminal is determined to be in the linear charging mode, so that the battery is charged through the target constant current, the charging efficiency can be effectively improved, the heat generation is reduced, the charging duration can be effectively shortened, and the user experience is improved.
In another exemplary embodiment of the present disclosure, a charging system is provided that includes the charging base described above in fig. 5 and the terminal shown in any one of fig. 1 to 4 above.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any adaptations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. The terminal is characterized by comprising a battery (101), a charging module (102) and a control module (103), wherein the control module (103) is electrically connected with the battery (101) and the charging module (102) respectively, the output end of the charging module (102) is connected with the battery (101), and the input end of the charging module (102) is used for being connected with a charging base;
the control module (103) controls the charging module (102) to charge the battery (101) through a direct charging mode by triggering a first control signal, wherein in the direct charging mode, the charging module (102) directly transmits a received target constant current to the battery (101), and the target constant current is provided by a constant current source module (501) in the charging base.
2. The terminal according to claim 1, characterized in that the input of the charging module (102) is for connection to a constant current source module (501) in a charging base;
the control module (103) controls the charging module (102) to charge the battery (101) through a linear charging mode by triggering a second control signal, wherein in the linear charging mode, the charging module (102) converts a target constant voltage of a first voltage into a direct current of a second voltage to charge the battery (101), and the target constant voltage is provided by the constant current source module (501).
3. The terminal of claim 1, wherein the charging module (102) comprises a switching tube (1021) and a linear voltage conversion circuit (1022), the switching tube (1021) is connected to the linear voltage conversion circuit (1022), the control module (103) is connected to the switching tube (1021),
the control module (103) is configured to collect a current voltage of the battery (101), and send the first control signal to the switch tube (1021) when it is determined that the current voltage is greater than a first preset voltage threshold and less than a second preset voltage threshold;
the switch tube (1021) is used for being conducted in response to receiving the first control signal so as to short-circuit the linear voltage conversion circuit (1022) to form a direct charging path, and the target constant current is transmitted to the battery (101) through the direct charging path.
4. A terminal according to claim 3, characterized in that the control module (103) is connected to the control end of the switching tube (1021);
the control module (103) is configured to send a second control signal to a control end of the switching tube (1021) when it is determined that the current voltage is less than a first preset voltage threshold or the current voltage is greater than a second preset voltage threshold;
the switch tube (1021) is used for being turned off in response to receiving the second control signal;
the linear voltage conversion circuit (1022) is configured to convert the target constant voltage of the received first voltage into the direct current of the second voltage to charge the battery (101) when the switching tube (1021) is turned off.
5. The terminal according to claim 3 or 4, characterized in that the linear voltage conversion circuit (1022) comprises a triode Q1, a collector of the triode Q1 is connected to a first end of a first resistor R1, a second end of the first resistor R1 is connected to a cathode of a diode D and a non-inverting input of an operational amplifier UC, an anode of the diode D is connected to ground, an inverting input of the operational amplifier UC is connected to a first end of a second resistor R2 and a first end of a third resistor R3, a second end of the second resistor R2 is connected to an emitter of the triode Q1, a second end of the third resistor R3 is connected to ground, a collector of the triode Q1 and an anode of the diode D are used as input terminals of the charging module (102), and an emitter of the triode Q1 and an anode of the diode D are used as output terminals of the charging module (102).
6. The terminal of claim 5, wherein an input terminal of the switching tube (1021) is connected to a collector of the transistor Q1, and an output terminal of the switching tube (1021) is connected to an emitter of the transistor Q1.
7. A charging base is characterized by comprising a constant current source module (501) and an interface component (502),
a first end of the interface component (502) is connected with a first end of the constant current source module (501), and a second end of the interface component (502) is used for being connected with a power adapter;
the second end of the constant current source module (501) is used as an output end of the charging base and is used for being connected with a terminal to be charged and providing a target constant current or target constant voltage to the terminal.
8. The charging dock of claim 7, wherein the constant current source module (501) is configured to provide a target constant current to the terminal if it is determined that the terminal is in a direct charge mode.
9. The charging dock of claim 7, wherein the constant current source module (501) is configured to provide a target constant voltage power to the terminal if it is determined that the terminal is in a linear charging mode.
10. A charging system comprising a terminal according to any one of the preceding claims 1-6 and a charging base according to any one of the preceding claims 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222808780.5U CN219107069U (en) | 2022-10-24 | 2022-10-24 | Terminal, charging base and charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222808780.5U CN219107069U (en) | 2022-10-24 | 2022-10-24 | Terminal, charging base and charging system |
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| Publication Number | Publication Date |
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| CN219107069U true CN219107069U (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222808780.5U Active CN219107069U (en) | 2022-10-24 | 2022-10-24 | Terminal, charging base and charging system |
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| CN (1) | CN219107069U (en) |
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- 2022-10-24 CN CN202222808780.5U patent/CN219107069U/en active Active
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