CN112510794A - Mobile power supply - Google Patents

Mobile power supply Download PDF

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Publication number
CN112510794A
CN112510794A CN202011508818.6A CN202011508818A CN112510794A CN 112510794 A CN112510794 A CN 112510794A CN 202011508818 A CN202011508818 A CN 202011508818A CN 112510794 A CN112510794 A CN 112510794A
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CN
China
Prior art keywords
module
power supply
electrically connected
management module
capacitor
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CN202011508818.6A
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Chinese (zh)
Inventor
谢建松
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Yinfuli Co ltd
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Guangzhou Shared Travel Technology Co ltd
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Priority to CN202011508818.6A priority Critical patent/CN112510794A/en
Publication of CN112510794A publication Critical patent/CN112510794A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a mobile power supply, which comprises a power supply management module, a power supply control module, a charging communication module and a battery, wherein a signal end of the power supply management module is electrically connected with a first signal end of the power supply control module; and the power supply management module is used for communicating with the power supply control module after the charging communication module is communicated with the external voltage source to charge the battery. Therefore, the charging management of the battery is carried out by combining the power management module with the power control module, the burden of the power control module is reduced, the charging circuit of the battery, namely the mobile power supply, can be simplified, and the charging stability of the battery is improved.

Description

Mobile power supply
Technical Field
The invention relates to the technical field of mobile power supplies, in particular to a mobile power supply.
Background
Along with the popularization of intelligent equipment (such as a smart phone), the time for people to use the intelligent equipment is greatly increased, and the demand for supplementing the electric quantity to the intelligent equipment at any time is stronger and stronger, so that the problem that the electric quantity cannot be supplemented in time when people use the intelligent equipment for a long time is solved due to the appearance of the shared charger.
The existing shared power bank generally combines all services, such as: charging services, temperature monitoring services, and the like are all concentrated on a control Unit (MCU), which makes the control Unit need to have switches for controlling input and output in multiple ways, which makes the charging circuit of the mobile power supply based on the control Unit complicated and poor in stability.
Disclosure of Invention
The present invention is directed to provide a portable power source, which can simplify the complexity of a charging circuit of the portable power source and improve the stability.
In order to solve the technical problem, an embodiment of the present invention discloses a mobile power supply, which includes a power management module, a power control module, a charging communication module, and a battery, wherein:
the signal end of the power management module is electrically connected with the first signal end of the power control module, the signal end of the charging communication module is electrically connected with the second signal end of the power control module, the switch node end of the power management module is used for being electrically connected with the battery, the grounding end of the charging communication module is used for being grounded, and the power supply end of the charging communication module and the power supply end of the power management module are used for being electrically connected with an external voltage source;
and the power supply management module is used for communicating with the power supply control module after the charging communication module is communicated with the external voltage source to charge the battery.
As an optional implementation manner, the mobile power supply further includes a voltage detection module, an input end of the voltage detection module is used for being electrically connected to the external voltage source, and an output end of the voltage detection module is electrically connected to an analog-to-digital conversion signal end of the power supply control module;
the voltage detection module is used for detecting the state of the charging voltage of the battery, wherein the state comprises an abnormal state or a normal state.
As an optional implementation manner, the voltage detection module includes a first resistor, a voltage regulator, a first capacitor, and an analog-to-digital converter, where:
the cathode of the voltage-stabilizing tube is respectively electrically connected with one end of the first resistor, one end of the analog-to-digital converter, one end of the first capacitor and the reference electrode of the voltage-stabilizing tube;
the reference level of the voltage stabilizing tube is electrically connected with one end of the analog-to-digital converter and one end of the first capacitor respectively;
the other end of the analog-to-digital converter is electrically connected with an analog-to-digital conversion signal end of the power supply control module;
the other end of the first resistor is used for being electrically connected with the external voltage source, and the anode of the voltage regulator tube and the other end of the first capacitor are respectively used for being grounded.
As an optional implementation manner, the signal terminal of the power management module includes a first clock terminal, a first data terminal, and a first interrupt terminal, and the first signal terminal of the power control module includes a second clock terminal, a second data terminal, and a second interrupt terminal;
wherein, the signal terminal of power management module with the first signal terminal electric connection of power control module is specific:
the first clock end, the first data end and the first interrupt end of the power management module are respectively electrically connected with the second clock end, the second data end and the second interrupt end of the power control module.
As an optional implementation manner, the mobile power supply further includes a discharging module, wherein:
and the discharging module is used for being electrically connected with external electronic equipment and discharging the electric quantity of the battery to the external electronic equipment.
As an optional implementation, the discharging module includes a voltage boosting sub-module, a current transformation sub-module, and a discharging sub-module, wherein:
one end of the boosting submodule is used for being electrically connected with the positive electrode of the battery, and the other end of the boosting submodule is electrically connected with the power management module; one end of the current transformation submodule is used for grounding, and the other end of the current transformation submodule is electrically connected with the power management module; one end of the discharge submodule is used for being electrically connected with the external electronic equipment, and the other end of the discharge submodule is electrically connected with the power supply management module.
As an optional implementation manner, the boost submodule includes an inductor, a second capacitor, a third capacitor, and a second resistor, where:
the one end of second electric capacity, the one end of inductance, the one end of second resistance and the voltage detection end of power management module is used for the electricity to be connected respectively the positive pole of battery, the other end of inductance with power management module's switch node end and free end the one end electricity of third electric capacity is connected, the other end of third electric capacity with power management module electricity is connected, the other end of second electric capacity is used for ground connection.
As an optional implementation manner, the current transformation submodule includes a fourth capacitor, a fifth capacitor, a sixth capacitor, and a third resistor, where:
one end of the fourth capacitor is electrically connected with one end of the fifth capacitor, one end of the third resistor, a current positive detection end of the power management module and a pin end of the power management module respectively;
one end of the third resistor is electrically connected with one end of the fifth capacitor, one end of the sixth capacitor, the current positive detection end of the power management module and the pin end of the power management module respectively;
the other end of the third resistor is electrically connected with the other end of the fifth capacitor, the current negative detection end of the power management module, the voltage management end of the power management module and one end of the sixth capacitor respectively;
the other end of the sixth capacitor and the other end of the fourth capacitor are respectively used for grounding. As an optional implementation manner, the mobile power supply further includes a temperature protection module, wherein:
one end of the temperature protection module is electrically connected with the power management module, and the other end of the temperature protection module is used for grounding.
As an optional implementation manner, the mobile power supply further includes a battery capacity measurement module, wherein:
one end of the battery electric quantity measuring module is electrically connected with the power management module, and the other end of the battery electric quantity measuring module is grounded.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
in an embodiment of the present invention, a mobile power supply is provided, where the mobile power supply includes a power management module, a power control module, a charging communication module, and a battery, where: the signal end of the power management module is electrically connected with the first signal end of the power control module, the signal end of the charging communication module is electrically connected with the second signal end of the power control module, the switch node end of the power management module is used for being electrically connected with a battery, the grounding end of the charging communication module is used for being grounded, and the power end of the charging communication module and the power end of the power management module are used for being electrically connected with an external voltage source; and the power supply management module is used for communicating with the power supply control module after the charging communication module is communicated with the external voltage source to charge the battery. Therefore, by implementing the embodiment of the invention, the charging management is carried out on the battery by combining the power supply management module and the power supply control module, the burden of the power supply control module is reduced, the charging circuit of the battery, namely the mobile power supply, can be simplified, and the charging stability of the battery is improved; the cost of the mobile power supply can also be reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a mobile power supply according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of another mobile power supply according to the embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, product, or apparatus that comprises a list of steps or elements is not limited to those listed but may alternatively include other steps or elements not listed or inherent to such process, method, product, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The invention discloses a mobile power supply, which can charge and manage a battery by combining a power supply management module and a power supply control module, reduce the burden of the power supply control module, simplify a charging circuit of the battery, namely the mobile power supply, and improve the charging stability of the battery; the cost of the mobile power supply can also be reduced. The following are detailed below.
Example one
Referring to fig. 1, fig. 1 is a schematic structural diagram of a mobile power supply according to an embodiment of the present invention. As shown in fig. 1, the mobile power supply may include: power management module 100, power control module 200, and charging communication module 300, wherein:
a signal end M of the power management module 100 is electrically connected with a first signal end N of the power control module 200, a signal end of the charging communication module 300 is electrically connected with a second signal end P of the power control module 200, a switch node end of the power management module 100 is used for being electrically connected with a battery, a grounding end of the charging communication module 300 is used for being grounded, and a power source end of the charging communication module 300 and a power source end of the power management module 100 are used for being electrically connected with an external voltage source;
the power management module 100 is configured to communicate with the power control module 200 to charge the battery after the charging communication module 300 is connected to the external power source.
In this embodiment of the present invention, optionally, the signal terminal M of the power management module 100 includes a first clock terminal M1, a first data terminal M2 and a first interrupt terminal M3, and the first signal terminal N of the power control module 200 includes a second clock terminal N1, a second data terminal N2 and a second interrupt terminal N3; the signal end M of the power management module 100 is electrically connected to the first signal end N of the power control module 200: the first clock terminal M1, the first data terminal M2, and the first interrupt terminal M3 of the power management module 100 are electrically connected to the second clock terminal N1, the second data terminal N2, and the second interrupt terminal N3 of the power control module 200, respectively.
In this embodiment of the present invention, optionally, the power management module 100 may be any module capable of implementing charging and discharging management on a battery, such as a SW6008 module, and the power control module 200 may be any module capable of controlling charging and discharging of a battery by communicating with the power management module 100, such as STC 8G.
In this alternative embodiment, the charging communication module 300 is configured to connect the external voltage source to charge the battery with the electric quantity of the external voltage source under the control of the power management module 100 and the power control module 200. Optionally, the signal terminals of the charging communication module 300 include a signal receiving terminal and a signal transmitting terminal. The signal receiving end of the charging communication module 300 is electrically connected with the signal receiving end of the external power supply, and the signal sending end of the charging communication module 300 is electrically connected with the signal sending end of the external power supply. Wherein, external voltage source includes that intelligent charging rack or the non-intelligent cabinet that charges, for example: and charging the household USB interface. Specifically, the method comprises the following steps: the external voltage source has a PogoPIN male (also called a thimble). The pogoPIN male socket of the external voltage source comprises a signal sending end of the external voltage source and a signal receiving end of the external voltage source, and correspondingly, the corresponding pogoPIN female socket exists in the charging communication module 300. And the mobile power supply is charged through the signal receiving end and the signal sending end.
Therefore, the mobile power supply described in fig. 1 can manage the charging of the battery through the power management module in combination with the power control module, so that the burden of the power control module is reduced, the charging circuit of the battery (i.e., the mobile power supply) can be simplified, and the stability of the charging of the battery is improved; the cost of the mobile power supply can also be reduced.
In an optional embodiment, as shown in fig. 2, the mobile power supply may further include a voltage detection module 400, an input end of the voltage detection module 400 is used to be electrically connected to an external voltage source, and an output end of the voltage detection module 400 is electrically connected to the analog-to-digital conversion signal end Q of the power control module 200; the voltage detection module 400 is configured to detect a state of a charging voltage of the battery, where the state includes an abnormal state or a normal state.
In this optional embodiment, optionally, the voltage detection module 400 includes a first resistor R1, a voltage regulator D1, a first capacitor C1, and an analog-to-digital converter a, where:
the cathode of the voltage regulator tube D is respectively connected with one end of the first resistor R1, one end of the analog-to-digital converter A, one end of the first capacitor C1 and the reference electrode of the voltage regulator tube D1; a reference level of the voltage regulator tube D1 is electrically connected with one end of the analog-to-digital converter A and one end of the first capacitor C1 respectively; the other end of the analog-to-digital converter A is electrically connected with an analog-to-digital conversion signal end Q of the power control module 200; the other end of the first resistor R1 is used for being electrically connected with an external voltage source, and the anode of the voltage regulator tube D1 and the other end of the first capacitor C1 are respectively used for being grounded.
In this alternative embodiment, the voltage regulator D1 may be a voltage regulator such as a TL431 controllable precision voltage regulator that generates a precision voltage.
It can be seen that, the voltage detection module is added in the optional embodiment, so that not only can a precise and stable voltage be generated by the voltage regulator tube and supplied to the power supply control module, but also the charging voltage of the battery can be detected in the process of charging the battery, and the abnormality of the charging voltage of the battery can be detected, for example: stability, whether be less than normal charging voltage, monitor, be favorable to improving battery charging's stability and accuracy to and can reduce because too high damage battery of voltage or voltage cross the emergence condition that leads to in time being full of the electricity excessively.
In another alternative embodiment, as shown in fig. 2, the mobile power supply further includes a discharging module 500, wherein: and a discharging module 500 for electrically connecting to an external electronic device and discharging the electric quantity of the battery to the external electronic device.
In this optional embodiment, optionally, as shown in fig. 2, the discharging module 500 includes a voltage boosting submodule 501, a current transformation submodule 502, and a discharging submodule 503, where:
one end of the boosting submodule 501 is used for electrically connecting with the positive electrode of the battery, and the other end of the boosting submodule 501 is electrically connected with the power management module 100; one end of the current transformation submodule 502 is used for grounding, and the other end of the current transformation submodule 502 is electrically connected with the power management module 100; one end of the discharging submodule 503 is used to electrically connect with an external electronic device, and the other end of the discharging submodule 503 is electrically connected with the voltage output end O of the power management module 100.
In this alternative embodiment, optionally, as shown in fig. 2, the boost submodule 501 includes an inductor L, a second capacitor C2, a third capacitor C3, and a second resistor R2, where:
one end of the second capacitor C2, one end of the inductor L, one end of the second resistor R2, and the voltage detection end V of the power management module are electrically connected to the positive electrode of the battery, the other end of the inductor L is electrically connected to the switch node end S of the power management module, one end of the free end NC and one end of the third capacitor C3, the other end of the third capacitor C3 is electrically connected to the driving end Y of the power management module 100, and the other end of the second capacitor C2 is connected to the ground.
In this optional embodiment, optionally, the second capacitor C2 may be a single capacitor, or may be multiple capacitors connected in parallel, for example: 2, a second capacitor C2, configured to filter an ac component of the current coming from the battery and retain a dc component, where optionally, the size of the second capacitor C2 may be equal to 10 uF; the inductor L is configured to boost a voltage from the battery, and input the boosted voltage to the power management module 100, and optionally, the size of the inductor L may be equal to 1 uH; and a sixth capacitor C6, configured to raise the voltage boosted by the inductor L to drive the power management module 100, where optionally, the size of the sixth capacitor C6 may be equal to 0.1 uF.
In this alternative embodiment, optionally, as shown in fig. 2, the current transformation submodule 502 includes a fourth capacitor C4, a fifth capacitor C5, a third capacitor C6 and a third resistor R3, where:
one end of the fourth capacitor C4 is electrically connected to one end of the fifth capacitor C5, one end of the third resistor R3, the positive current detection end E of the power management module 100, and the pin end F of the power management module 100, respectively;
one end of the third resistor R3 is electrically connected to one end of the fifth capacitor C5, one end of the sixth capacitor C6, the positive current detection end E of the power management module 100, and the pin end F of the power management module 100, respectively;
the other end of the third resistor R3 is electrically connected to the other end of the fifth capacitor C5, the negative current detection end H of the power management module 100, the voltage management end Z of the power management module 100, and one end of the sixth capacitor C6, respectively;
the other end of the sixth capacitor C6 and the other end of the fourth capacitor C4 are respectively used for grounding.
Therefore, the optional embodiment further reduces the burden of the battery control module and improves the discharging stability and accuracy of the mobile power supply by bearing the discharging management function of the mobile power supply on the battery management module.
In this optional embodiment, optionally not shown in fig. 2, the mobile power supply further includes a temperature protection module, where:
one end of the temperature protection module is electrically connected to the power management module 100, and the other end of the temperature protection module is grounded.
In this alternative embodiment, when the battery is in a charging state or a discharging state, the temperature protection module may measure a charging temperature or a discharging temperature of the battery, and store data of the charging temperature or the discharging temperature in a register of the power management module 100, and when there is an abnormality in the charging temperature or the discharging temperature, for example: when the temperature exceeds the preset temperature by 60 ℃ or the duration of the temperature exceeding the preset temperature by 60 ℃ is greater than or equal to the preset duration for 10 minutes, the abnormal temperature is reported to the power management module 100, and the power management module 100 reports the abnormal temperature to the power control module 200 through the first clock end M1, the first data end M2, the second clock end N1 and the second data end N2, so that the power control module 200 controls the battery charging to be turned off.
Therefore, in the optional embodiment, the temperature protection module is added to measure the temperature of the battery in the charging or discharging process, the charging or discharging can be controlled to be closed when the temperature of the battery is too high, the occurrence situation that the battery or a device is burnt out is reduced, the control burden of the power supply control module is further reduced, the charging stability of the battery is further improved, and the service life of the mobile power supply is prolonged.
In this optional embodiment, optionally not shown in fig. 2, the mobile power supply further includes a battery level measurement module, wherein:
one end of the battery power measuring module is electrically connected to the power management module 100, and the other end of the battery power measuring module is grounded.
In this alternative embodiment, when the battery is in a charging state, the battery level measuring module may monitor the charging level of the battery, and store the data of the charging level of the battery in the register of the power management module 100, when the charging level of the battery reaches a usable level, for example: the charging capacity of the battery is greater than or equal to 80% of the saturated capacity, the data indicating that the charging capacity of the battery reaches the usable level is reported to the power control module 200 through the power management module 100 via the first clock terminal M1, the first data terminal M2, the second clock terminal N1 and the second data terminal N2, and after receiving the data, the power control module 200 controls the charging switch of the battery to be turned off and outputs a prompt that the mobile power supply can use.
In this optional embodiment, when in the discharging state, the battery power measuring module may monitor the discharging power of the battery, and store the discharging power data of the battery into the register of the power management module 100, when the discharging power of the battery reaches the charging level required, for example: the charging capacity of the battery is less than or equal to 20% of the saturated capacity, the data of the discharging capacity of the battery is reported to the power control module 200 through the power management module 100 via the first clock terminal M1, the first data terminal M2, the second clock terminal N1 and the second data terminal N2, and after receiving the data, the power control module 200 outputs a prompt that the mobile power supply needs to be charged.
Therefore, in the optional embodiment, the electric quantity of the battery is measured by adding the battery electric quantity measuring module, so that the charging can be controlled to be closed when the electric quantity of the battery reaches the usable electric quantity, the battery is prevented from being overcharged, the battery is protected, the power supply management module can be informed when the electric quantity of the battery is lower, the power supply management module outputs a charging prompt or informs the power supply control module to output a charging prompt, the control burden of the power supply control module is reduced, and the charging stability of the battery is further improved.
Example two
The working principle of the mobile power supply of the present invention is described with reference to fig. 1 and fig. 2, which specifically includes the following steps:
when the battery needs to be charged, that is, when the power source terminal of the power management module 100 has a voltage, the power management module 100 generates an interrupt signal, and sends the interrupt signal to the power control module 200 through the first interrupt terminal M3 of the power management module 100 and the second interrupt terminal N3 of the power control module 200, after receiving the interrupt signal, the power control module 200 interrupts other tasks if other tasks are currently being processed, and if the other tasks are in a sleep state, wakes up from the sleep state, and accesses the power management module 100 through the second clock terminal N1, the second data terminal N2, the first clock terminal M1, and the first data terminal M2 to request to acquire battery data (for example, the charging voltage, the charging temperature, the charging current, the battery capacity, and the like) through the first clock terminal M1, after receiving the request, the battery management module 100 queries the battery data in its register, and queries the battery data through the first clock terminal M1, The first data end M2, the second clock end N1 and the second data end N2 are fed back to the power control module 200, after the power control module 200 receives data fed back by the power management module 100, if it is determined that a battery is charged, a signal receiving end and a signal sending end, which are electrically connected with the power control module 200 and the charging communication module 300, are distinguished, an access signal sent by an external voltage source through the signal end of the charging communication module 300 is received, and the access signal is fed back to the power management module 100 through the second clock end N1, the second data end N2, the first clock end M1 and the first data end M2, so as to trigger charging of the battery and trigger management of the power management module 100 on data charged by the battery. Further, in the process of charging the battery, the voltage detection module 400 acquires the charging data bit of the power control module 200 through the analog-to-digital converter a, determines the charging voltage of the battery according to the charging data bit and the voltage of the voltage regulator tube D1, compares the charging voltage of the battery with the determined normal charging voltage to obtain the charging voltage condition of the battery, and sends the charging voltage condition of the battery to the power control module 200 through the analog-to-digital converter a, so that the power control module 200 displays the charging voltage condition of the battery on the display terminal.
When detecting that the mobile power supply is connected to an external electronic device (for example, a mobile phone), the current comes from the battery, the high-frequency current is filtered by an RC oscillating circuit formed by a second resistor R2 and a second capacitor C2 of the boosting submodule 501, the voltage coming from the battery is boosted by an inductor L, the voltage boosted by the inductor L is raised by a current capacitor to drive the power management module 100, the high-frequency component of the current coming from the power management module 100 is filtered by a sixth capacitor C6 of the current flowing to the current transformation submodule 502, the high-frequency current coming from the power management module 100 is filtered by a fifth capacitor C5, the current outputted from the power management module 100 is shunted by a third resistor R3, and a stable direct current signal is obtained by filtering by a fourth capacitor C4 and is inputted to the power management module 100, the discharging submodule 503 transmits the current from the power management module 100 to the external electronic device, thereby charging the external electronic equipment, namely discharging the battery.
Further, during the process of charging or discharging the battery, the power control module 200 communicates with the power management module 100 through the second clock terminal N1, the second data terminal N2, the first clock terminal M1, the first data terminal M2, and when the power management module 100 queries that the battery charging data or discharging data is abnormal, the power control module 200 controls the battery to be turned off to protect the mobile power supply. The charging data comprises at least one of charging voltage, charging current, charging temperature, charging electric quantity and the like, and the discharging data comprises at least one of discharging voltage, discharging current, discharging temperature, discharging electric quantity and the like.
Finally, it should be noted that: the mobile power supply disclosed by the embodiment of the invention is described in detail above, and the principle and the implementation of the invention are explained in the present document by applying specific examples, and the description of the above embodiments is only used to help understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides a mobile power supply, its characterized in that, mobile power supply includes power management module, power control module and the communication module that charges, wherein:
the signal end of the power management module is electrically connected with the first signal end of the power control module, the signal end of the charging communication module is electrically connected with the second signal end of the power control module, the switch node end of the power management module is used for being electrically connected with the battery, the grounding end of the charging communication module is used for being grounded, and the power supply end of the charging communication module and the power supply end of the power management module are used for being electrically connected with an external voltage source;
and the power supply management module is used for communicating with the power supply control module after the charging communication module is communicated with the external voltage source to charge the battery.
2. The mobile power supply according to claim 1, wherein the mobile power supply further comprises a voltage detection module, an input end of the voltage detection module is electrically connected to the external voltage source, and an output end of the voltage detection module is electrically connected to an analog-to-digital conversion signal end of the power supply control module;
the voltage detection module is used for detecting the state of the charging voltage of the battery, wherein the state comprises an abnormal state or a normal state.
3. The mobile power supply according to claim 1 or 2, wherein the voltage detection module comprises a first resistor, a voltage regulator tube, a first capacitor, and an analog-to-digital converter, wherein:
the cathode of the voltage-stabilizing tube is respectively electrically connected with one end of the first resistor, one end of the analog-to-digital converter, one end of the first capacitor and the reference electrode of the voltage-stabilizing tube;
the reference level of the voltage stabilizing tube is electrically connected with one end of the analog-to-digital converter and one end of the first capacitor respectively;
the other end of the analog-to-digital converter is electrically connected with an analog-to-digital conversion signal end of the power supply control module;
the other end of the first resistor is used for being electrically connected with the external voltage source, and the anode of the voltage regulator tube and the other end of the first capacitor are respectively used for being grounded.
4. The mobile power supply of claim 3, wherein the signal terminals of the power management module comprise a first clock terminal, a first data terminal, and a first interrupt terminal, and the first signal terminal of the power control module comprises a second clock terminal, a second data terminal, and a second interrupt terminal;
wherein, the signal terminal of power management module with the first signal terminal electric connection of power control module is specific:
the first clock end, the first data end and the first interrupt end of the power management module are respectively electrically connected with the second clock end, the second data end and the second interrupt end of the power control module.
5. The mobile power supply of claim 1, 2 or 4, further comprising a discharge module, wherein:
and the discharging module is used for being electrically connected with external electronic equipment and discharging the electric quantity of the battery to the external electronic equipment.
6. The mobile power supply of claim 5, wherein the discharge module comprises a boost sub-module, a current transformation sub-module, and a discharge sub-module, wherein:
one end of the boosting submodule is used for being electrically connected with the positive electrode of the battery, and the other end of the boosting submodule is electrically connected with the power management module; one end of the current transformation submodule is used for grounding, and the other end of the current transformation submodule is electrically connected with the power management module; one end of the discharge submodule is used for being electrically connected with the external electronic equipment, and the other end of the discharge submodule is electrically connected with the power supply management module.
7. The mobile power supply of claim 6, wherein the boost submodule comprises an inductor, a second capacitor, a third capacitor, and a second resistor, wherein:
the one end of second electric capacity, the one end of inductance, the one end of second resistance and the voltage detection end of power management module is used for the electricity to be connected respectively the positive pole of battery, the other end of inductance with power management module's switch node end and free end the one end electricity of third electric capacity is connected, the other end of third electric capacity with power management module electricity is connected, the other end of second electric capacity is used for ground connection.
8. The mobile power supply of claim 6, wherein the current transformation submodule comprises a fourth capacitor, a fifth capacitor, a sixth capacitor, and a third resistor, wherein:
one end of the fourth capacitor is electrically connected with one end of the fifth capacitor, one end of the third resistor, a current positive detection end of the power management module and a pin end of the power management module respectively;
one end of the third resistor is electrically connected with one end of the fifth capacitor, one end of the sixth capacitor, the current positive detection end of the power management module and the pin end of the power management module respectively;
the other end of the third resistor is electrically connected with the other end of the fifth capacitor, the current negative detection end of the power management module, the voltage management end of the power management module and one end of the sixth capacitor respectively;
the other end of the sixth capacitor and the other end of the fourth capacitor are respectively used for grounding.
9. The mobile power supply of claim 1, 2, 4, 6 or 7, further comprising a temperature protection module, wherein:
one end of the temperature protection module is electrically connected with the power management module, and the other end of the temperature protection module is used for grounding.
10. The mobile power supply of claim 1, 2, 4, 6 or 7, further comprising a battery level measurement module, wherein:
one end of the battery electric quantity measuring module is electrically connected with the power management module, and the other end of the battery electric quantity measuring module is grounded.
CN202011508818.6A 2020-12-18 2020-12-18 Mobile power supply Pending CN112510794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011508818.6A CN112510794A (en) 2020-12-18 2020-12-18 Mobile power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011508818.6A CN112510794A (en) 2020-12-18 2020-12-18 Mobile power supply

Publications (1)

Publication Number Publication Date
CN112510794A true CN112510794A (en) 2021-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011508818.6A Pending CN112510794A (en) 2020-12-18 2020-12-18 Mobile power supply

Country Status (1)

Country Link
CN (1) CN112510794A (en)

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