A mobile power supply

Abstract

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. The signal end of the power management module is electrically connected to the first signal end of the power control module, the signal end of the charging communication module is electrically connected to the second signal end of the power control module, the switch node end of the power management module is used to electrically connect to the battery, the ground end of the charging communication module is used to ground, and the power end of the charging communication module and the power end of the power management module are used to electrically connect to an external voltage source. The power management module is used to communicate with the power control module after the charging communication module is connected to the external voltage source to charge the battery. It can be seen that the implementation of the present invention manages the charging of the battery through the combination of the power management module and the power control module, reduces the burden of the power control module, simplifies the charging circuit of the battery, and improves the stability of battery charging.

Description

Technical Field

[0001] The present invention relates to the technical field of mobile power supplies, and in particular to a mobile power supply. Background Art

[0002] With the popularity of smart devices (such as smartphones), the time people spend using smart devices has increased significantly, and the demand for smart devices to be able to recharge at any time has become increasingly urgent. Therefore, the emergence of shared power banks has solved the problem of people being unable to recharge their smart devices in time when using them for a long time.

[0003] Existing shared power banks generally concentrate all services, such as charging services and temperature monitoring services, on a control unit (Microcontroller Unit, MCU). This requires the control unit to have multiple control input and output switches, which makes the charging circuit of the mobile power supply based on the control unit complex and unstable. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a mobile power supply that can simplify the complexity of the charging circuit of the mobile power supply and improve stability.

[0005] In order to solve the above technical problems, 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:

[0006] The signal terminal of the power management module is electrically connected to the first signal terminal of the power control module, the signal terminal of the charging communication module is electrically connected to the second signal terminal of the power control module, the switch node terminal of the power management module is used to be electrically connected to the battery, the ground terminal of the charging communication module is used to be grounded, and the power terminal of the charging communication module and the power terminal of the power management module are used to be electrically connected to an external voltage source;

[0007] The power management module is used to communicate with the power control module to charge the battery after the charging communication module is connected to the external voltage source.

[0008] As an optional embodiment, the mobile power supply further includes a voltage detection module, wherein the input end of the voltage detection module is used to be electrically connected to the external voltage source, and the output end of the voltage detection module is electrically connected to the analog-to-digital conversion signal end of the power control module;

[0009] The voltage detection module is used to detect the state of the charging voltage of the battery, where the state includes an abnormal state or a normal state.

[0010] As an optional implementation, the voltage detection module includes a first resistor, a voltage regulator, a first capacitor, and an analog-to-digital converter, wherein:

[0011] The negative electrode of the voltage-stabilizing diode is electrically connected to 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 diode respectively;

[0012] The reference stage of the voltage regulator is electrically connected to one end of the analog-to-digital converter and one end of the first capacitor respectively;

[0013] The other end of the analog-to-digital converter is electrically connected to the analog-to-digital conversion signal end of the power control module;

[0014] The other end of the first resistor is used to be electrically connected to the external voltage source, and the positive electrode of the voltage regulator tube and the other end of the first capacitor are used to be grounded respectively.

[0015] 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;

[0016] The signal terminal of the power management module is electrically connected to the first signal terminal of the power control module. Specifically:

[0017] The first clock terminal, the first data terminal and the first interrupt terminal of the power management module are electrically connected to the second clock terminal, the second data terminal and the second interrupt terminal of the power control module respectively.

[0018] As an optional embodiment, the mobile power supply further includes a discharge module, wherein:

[0019] The discharge module is used to be electrically connected to an external electronic device and discharge the power of the battery to the external electronic device.

[0020] As an optional implementation, the discharge module includes a boost submodule, a current conversion submodule and a discharge submodule, wherein:

[0021] One end of the boost submodule is used to be electrically connected to the positive electrode of the battery, and the other end of the boost submodule is electrically connected to the power management module; one end of the current conversion submodule is used to be grounded, and the other end of the current conversion submodule is electrically connected to the power management module; one end of the discharge submodule is used to be electrically connected to the external electronic device, and the other end of the discharge submodule is electrically connected to the power management module.

[0022] As an optional implementation, the boost submodule includes an inductor, a second capacitor, a third capacitor, and a second resistor, wherein:

[0023] One end of the second capacitor, one end of the inductor, one end of the second resistor and the voltage detection end of the power management module are respectively used to electrically connect to the positive electrode of the battery, the other end of the inductor is electrically connected to the switch node end and the floating end of the power management module, and one end of the third capacitor, the other end of the third capacitor is electrically connected to the power management module, and the other end of the second capacitor is used to be grounded.

[0024] As an optional implementation, the current conversion submodule includes a fourth capacitor, a fifth capacitor, a sixth capacitor and a third resistor, wherein:

[0025] One end of the fourth capacitor is electrically connected to one end of the fifth capacitor, one end of the third resistor, the positive current detection end of the power management module, and the pin end of the power management module respectively;

[0026] One end of the third resistor is electrically connected to one end of the fifth capacitor, one end of the sixth capacitor, the positive current detection end of the power management module, and the pin end of the power management module respectively;

[0027] The other end of the third resistor is electrically connected to the other end of the fifth capacitor, the negative current detection end of the power management module, the voltage management end of the power management module, and one end of the sixth capacitor respectively;

[0028] The other end of the sixth capacitor and the other end of the fourth capacitor are grounded. As an optional embodiment, the mobile power supply further includes a temperature protection module, wherein:

[0029] One end of the temperature protection module is electrically connected to the power management module, and the other end of the temperature protection module is grounded.

[0030] As an optional implementation, the mobile power supply further includes a battery capacity measurement module, wherein:

[0031] One end of the battery capacity measurement module is electrically connected to the power management module, and the other end of the battery capacity measurement module is grounded.

[0032] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0033] In an embodiment of the present invention, a mobile power supply is provided, comprising a power management module, a power control module, a charging communication module, and a battery, wherein: a signal terminal of the power management module is electrically connected to a first signal terminal of the power control module, a signal terminal of the charging communication module is electrically connected to a second signal terminal of the power control module, a switch node terminal of the power management module is electrically connected to the battery, a ground terminal of the charging communication module is grounded, and a power terminal of the charging communication module and a power terminal of the power management module are electrically connected to an external voltage source; the power management module is configured to communicate with the power control module to charge the battery after the charging communication module is connected to the external voltage source. Thus, the embodiment of the present invention manages battery charging through the power management module in combination with the power control module, thereby reducing the burden on the power control module, simplifying the charging circuit of the battery (i.e., the mobile power supply), and improving the stability of battery charging; and further reducing the cost of the mobile power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0035] Figure 1 This is a schematic diagram of a process of a mobile power supply disclosed in an embodiment of the present invention;

[0036] Figure 2 This is a schematic diagram of another flow chart of a mobile power supply disclosed in an embodiment of the present invention. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0038] The terms "first," "second," and so on, in the description and claims of the present invention and the accompanying drawings are used to distinguish between different objects, not to describe a specific order. Furthermore, the terms "including," "having," and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, apparatus, product, or device comprising a series of steps or elements is not limited to the listed steps or elements but may optionally include steps or elements not listed, or may optionally include other steps or elements inherent to the process, method, product, or device.

[0039] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute a separate or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0040] The present invention discloses a mobile power supply that manages battery charging through a power management module combined with a power control module. This reduces the burden on the power control module, simplifies the charging circuitry of the battery (i.e., the mobile power supply), improves battery charging stability, and reduces the cost of the mobile power supply. These features are described in detail below.

[0041] Example 1

[0042] See also Figure 1 , Figure 1 This is a schematic diagram of the structure of a mobile power supply disclosed in an embodiment of the present invention. Figure 1 As shown, the mobile power supply may include: a power management module 100, a power control module 200, and a charging communication module 300, wherein:

[0043] The signal terminal M of the power management module 100 is electrically connected to the first signal terminal N of the power control module 200, the signal terminal of the charging communication module 300 is electrically connected to the second signal terminal P of the power control module 200, the switch node terminal of the power management module 100 is used to be electrically connected to the battery, the ground terminal of the charging communication module 300 is used to be grounded, and the power terminal of the charging communication module 300 and the power terminal of the power management module 100 are used to be electrically connected to an external voltage source;

[0044] The power management module 100 is used to communicate with the power control module 200 to charge the battery after the charging communication module 300 is connected to the external voltage source.

[0045] In an 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; wherein, the signal terminal M of the power management module 100 is electrically connected to the first signal terminal N of the power control module 200. Specifically: 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.

[0046] In an embodiment of the present invention, optionally, the power management module 100 can be any module such as the SW6008 module that can manage the charging and discharging of the battery, and the power control module 200 can be any module such as the STC8G module that can communicate with the power management module 100 to control the charging and discharging of the battery.

[0047] In this optional embodiment, the charging communication module 300 is used to connect the external voltage source and charge the battery with the power of the external voltage source under the control of the power management module 100 and the power control module 200. Optionally, the signal end of the charging communication module 300 includes a signal receiving end and a signal sending end. The signal receiving end of the charging communication module 300 is used to electrically connect to the signal receiving end of the external power supply, and the signal sending end of the charging communication module 300 is used to electrically connect to the signal sending end of the external power supply. The external voltage source includes a smart charging cabinet or a non-smart charging cabinet, such as a household USB interface charging. Specifically, the external voltage source has a PogoPIN male socket (also called a thimble). The PogoPIN male socket of the external voltage source includes a signal sending end of the external voltage source and a signal receiving end of the external voltage source. Correspondingly, the charging communication module 300 has a corresponding PogoPIN female socket. The mobile power supply is charged through the signal receiving end and the signal sending end.

[0048] It can be seen that implementation Figure 1 The described mobile power supply can manage battery charging through a power management module combined with a power control module, thereby reducing the burden on the power control module, simplifying the charging circuit of the battery (i.e., the mobile power supply), and improving the stability of battery charging; it can also reduce the cost of the mobile power supply.

[0049] In an optional embodiment, if Figure 2As shown, the mobile power supply may further include a voltage detection module 400, the input end of the voltage detection module 400 being used to electrically connect to an external voltage source, and the output end of the voltage detection module 400 being electrically connected to the analog-to-digital conversion signal end Q of the power control module 200; the voltage detection module 400 being used to detect the state of the charging voltage of the battery, the state including an abnormal state or a normal state.

[0050] In this optional embodiment, the voltage detection module 400 optionally includes a first resistor R1, a voltage regulator diode D1, a first capacitor C1, and an analog-to-digital converter A, wherein:

[0051] The negative electrode of the Zener diode D is electrically connected to 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 Zener diode D1; the reference electrode of the Zener diode D1 is electrically connected to one end of the analog-to-digital converter A and one end of the first capacitor C1; the other end of the analog-to-digital converter A is electrically connected to the analog-to-digital conversion signal terminal Q of the power control module 200; the other end of the first resistor R1 is used to electrically connect to an external voltage source, and the positive electrode of the Zener diode D1 and the other end of the first capacitor C1 are used to be grounded.

[0052] In this optional embodiment, the voltage regulator diode D1 may be a voltage regulator diode that generates a precise voltage, such as a TL431 controllable precise voltage regulator.

[0053] It can be seen that the optional embodiment adds a voltage detection module, which can not only generate a precise and stable voltage to supply the power control module through the voltage regulator tube, but also detect the charging voltage of the battery during the charging process of the battery. It can monitor the abnormality of the battery charging voltage, such as stability and whether it is lower than the normal charging voltage, which is beneficial to improve the stability and accuracy of battery charging, and can reduce the occurrence of damage to the battery due to excessive voltage or failure to fully charge in time due to too low voltage.

[0054] In another optional embodiment, Figure 2 As shown, the mobile power supply further includes a discharge module 500 , wherein the discharge module 500 is configured to be electrically connected to an external electronic device and discharge the battery power to the external electronic device.

[0055] In this optional embodiment, optionally, as Figure 2 As shown, the discharge module 500 includes a boost submodule 501, a current conversion submodule 502 and a discharge submodule 503, wherein:

[0056] One end of the boost submodule 501 is used to be electrically connected to the positive pole of the battery, and the other end of the boost submodule 501 is electrically connected to the power management module 100; one end of the current conversion submodule 502 is used to be grounded, and the other end of the current conversion submodule 502 is electrically connected to the power management module 100; one end of the discharge submodule 503 is used to be electrically connected to an external electronic device, and the other end of the discharge submodule 503 is electrically connected to the voltage output terminal O of the power management module 100.

[0057] In this optional embodiment, optionally, as Figure 2 As shown, the boost submodule 501 includes an inductor L, a second capacitor C2, a third capacitor C3 and a second resistor R2, wherein:

[0058] One end of the second capacitor C2, one end of the inductor L, one end of the second resistor R2, and the voltage detection terminal V of the power management module are used to electrically connect to the positive electrode of the battery. The other end of the inductor L is electrically connected to the switch node terminal S and the floating terminal NC of the power management module, and one end of the third capacitor C3. The other end of the third capacitor C3 is electrically connected to the driving terminal Y of the power management module 100. The other end of the second capacitor C2 is used for grounding.

[0059] In this optional embodiment, optionally, the second capacitor C2 can be a single capacitor or multiple capacitors connected in parallel, for example: 2, the second capacitor C2 is used to filter out the AC component of the current coming out of the battery and retain the DC component. Optionally, the size of the second capacitor C2 can be equal to 10uF; the inductor L is used to boost the voltage coming out of the battery and input the boosted voltage to the power management module 100. Optionally, the size of the inductor L can be equal to 1uH; the sixth capacitor C6 is used to raise the voltage boosted by the inductor L to drive the power management module 100. Optionally, the size of the sixth capacitor C6 can be equal to 0.1uF.

[0060] In this optional embodiment, optionally, as Figure 2 As shown, the current conversion submodule 502 includes a fourth capacitor C4, a fifth capacitor C5, a third capacitor C6 and a third resistor R3, wherein:

[0061] 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 terminal E of the power management module 100, and the pin terminal F of the power management module 100;

[0062] 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 terminal E of the power management module 100, and the pin terminal F of the power management module 100;

[0063] The other end of the third resistor R3 is electrically connected to the other end of the fifth capacitor C5, the negative current detection terminal H of the power management module 100, the voltage management terminal Z of the power management module 100, and one end of the sixth capacitor C6 respectively;

[0064] The other end of the sixth capacitor C6 and the other end of the fourth capacitor C4 are grounded respectively.

[0065] It can be seen that this optional embodiment further reduces the burden on the battery control module and improves the discharge stability and accuracy of the mobile power supply by carrying the discharge management function of the mobile power supply on the battery management module.

[0066] In this optional embodiment, optionally, Figure 2 Not shown, the mobile power supply also includes a temperature protection module, wherein:

[0067] 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.

[0068] In this optional embodiment, when the battery is in a charging state or a discharging state, the temperature protection module measures the charging temperature or the discharging temperature of the battery, and stores the charging temperature data or the discharging temperature data in the register of the power management module 100, and when the charging temperature or the discharging temperature is abnormal, for example: exceeding the preset temperature of 60°C, or exceeding the preset temperature of 60°C for a duration greater than or equal to the preset duration of 10 minutes, the abnormal temperature is reported to the power management module 100, and the power management module 100 reports it to the power control module 200 through the first clock terminal M1, the first data terminal M2, the second clock terminal N1 and the second data terminal N2, so that the power control module 200 controls the shutdown of the battery charging.

[0069] It can be seen that this optional embodiment measures the temperature of the battery during the charging or discharging process by adding a temperature protection module, and can control the charging or discharging to be shut down when the battery temperature is too high, thereby reducing the occurrence of battery or device burning, further reducing the control burden of the power control module, further improving the stability of battery charging, and helping to increase the life of the mobile power supply.

[0070] In this optional embodiment, optionally, Figure 2 Not shown, the mobile power supply also includes a battery capacity measurement module, wherein:

[0071] One end of the battery capacity measurement module is electrically connected to the power management module 100 , and the other end of the battery capacity measurement module is grounded.

[0072] In this optional embodiment, when the battery is in a charging state, the battery power measurement module monitors the charging power of the battery and stores the data of the charging power of the battery in the register of the power management module 100. When the charging power of the battery reaches a usable level, for example: the charging power of the battery is greater than or equal to 80% of the saturation power, the power management module 100 reports the data that the charging power of the battery reaches a usable level through the first clock terminal M1, the first data terminal M2, the second clock terminal N1 and the second data terminal N2 to the power control module 200. After receiving the data, the power control module 200 controls the charging switch of the battery to turn off and outputs a prompt that the mobile power supply can be used.

[0073] In this optional embodiment, when in a discharging state, the battery power measurement module monitors the discharge power of the battery and stores the data of the discharge power of the battery in a register of the power management module 100. When the discharge power of the battery reaches a level requiring charging, for example: the charging power of the battery is less than or equal to 20% of the saturation power, the power management module 100 reports the data of the discharge power of the battery to the power control module 200 through the first clock terminal M1, the first data terminal M2, the second clock terminal N1 and the second data terminal N2. After receiving the data, the power control module 200 outputs a prompt that the mobile power supply needs to be charged.

[0074] It can be seen that this optional embodiment measures the battery power by adding a battery power measurement module, which can not only control the charging to be shut down when the battery power reaches the usable power level to prevent the battery from overcharging and protect the battery, but also inform the power management module when the battery power is low, and the power management module outputs a charging prompt or informs the power control module to output a charging prompt, thereby further reducing the control burden of the power control module and further improving the stability of battery charging.

[0075] Example 2

[0076] Combined with Figure 1 and Figure 2 The working principle of the mobile power supply of the present invention is described as follows:

[0077] When the battery needs to be charged, that is, when there is voltage at the power supply end of the power management module 100, 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, if the power control module 200 is currently processing other tasks, it interrupts other tasks, and if it is in a sleep state, it wakes up from the sleep state, and then accesses the power management module 100 through the second clock terminal N1, the second data terminal N2 and the first clock terminal M1, the first data terminal M2 to request battery data (for example: battery charging voltage, charging temperature, charging current and battery power, etc.). After receiving the request, the battery management module 100 The battery data is queried in its register and fed back to the power control module 200 through the first clock terminal M1, the first data terminal M2, the second clock terminal N1, and the second data terminal N2. After the power control module 200 receives the data fed back by the power management module 100, if it is determined that there is a battery to be charged, the signal receiving end and the signal sending end electrically connected to the power control module 200 and the charging communication module 300 are distinguished, and the access signal sent by the 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 terminal N1, the second data terminal N2, the first clock terminal M1, and the first data terminal M2 to trigger charging of the battery and trigger the power management module 100 to manage the battery charging data. Furthermore, during the process of charging the battery, the voltage detection module 400 collects the charging data bits of the power control module 200 through the analog-to-digital converter A, and determines the charging voltage of the battery based on the charging data bits and the voltage of the voltage regulator D1, and compares the charging voltage of the battery with the determined normal charging voltage to obtain the charging voltage status of the battery, and sends it to the power control module 200 through the analog-to-digital converter A, so that the power control module 200 displays the charging voltage status of the battery on the display terminal.

[0078] When an external electronic device (e.g., a mobile phone) is detected as being connected to the mobile power supply, current flows out of the battery and passes through the RC oscillator circuit composed of the second resistor R2 and the second capacitor C2 of the boost submodule 501 to filter out the high-frequency current. The voltage out of the battery is boosted through the inductor L, and the voltage boosted by the inductor L is raised by the current capacitor to drive the power management module 100. The current flows to the sixth capacitor C6 of the current conversion submodule 502 to filter out the high-frequency component of the current out of the power management module 100, and the high-frequency current out of the power management module 100 is filtered through the fifth capacitor C5. The current output from the power management module 100 is shunted through the third resistor R3, and filtered through the fourth capacitor C4 to obtain a stable DC signal, which is input into the power management module 100. The discharge submodule 503 transmits the current from the power management module 100 to the external electronic device, thereby charging the external electronic device, that is, discharging the battery.

[0079] Furthermore, during the battery charging or discharging process, the power control module 200 communicates with the power management module 100 via the second clock terminal N1, the second data terminal N2, and the first clock terminal M1, the first data terminal M2. When an abnormality is detected in the battery charging or discharging data queried from the power management module 100, the power control module 200 controls the battery to shut down to protect the mobile power supply. The charging data includes at least one of the charging voltage, charging current, charging temperature, and charging power, and the discharging data includes at least one of the discharging voltage, discharging current, discharging temperature, and discharging power.

[0080] Finally, it should be noted that: the above is a detailed introduction to a mobile power supply disclosed in an embodiment of the present invention. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there may be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A mobile power supply, characterized in that: The mobile power supply includes a power management module, a power control module and a charging communication module, wherein: The signal terminal of the power management module is electrically connected to the first signal terminal of the power control module, the signal terminal of the charging communication module is electrically connected to the second signal terminal of the power control module, the switch node terminal of the power management module is used to be electrically connected to the battery, the ground terminal of the charging communication module is used to be grounded, and the power terminal of the charging communication module and the power terminal of the power management module are used to be electrically connected to an external voltage source; The power management module is configured to communicate with the power control module to charge the battery after the charging communication module is connected to the external voltage source; 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; The signal terminal of the power management module is electrically connected to the first signal terminal of the power control module. Specifically: The first clock terminal, the first data terminal and the first interrupt terminal of the power management module are electrically connected to the second clock terminal, the second data terminal and the second interrupt terminal of the power control module respectively; The mobile power supply further comprises a voltage detection module, the input end of the voltage detection module is used to be electrically connected to the external voltage source, and the output end of the voltage detection module is electrically connected to the analog-to-digital conversion signal end of the power control module; The voltage detection module is used to detect the state of the charging voltage of the battery, where the state includes an abnormal state or a normal state; And, the working principle of the mobile power supply includes: When the battery needs to be charged, that is, when there is voltage at the power supply end of the power management module, the power management module generates an interrupt signal and sends the interrupt signal to the power control module through the first interrupt end of the power management module and the second interrupt end of the power control module. After receiving the interrupt signal, if the power control module is currently processing other tasks, it interrupts other tasks, and if it is in a dormant state, it wakes up from dormancy, and then accesses the power management module through the second clock end, the second data end and the first clock end, the first data end to request battery data. After receiving the request, the power management module queries the battery data in its register and sends the battery data to the power control module through the second clock end, the second data end and the first clock end, the first data end. The data is fed back to the power control module through the first clock end, the first data end, the second clock end, and the second data end. After the power control module receives the data fed back by the power management module, if it is determined that a battery needs to be charged, the signal receiving end and the signal sending end electrically connected to the power control module and the charging communication module are distinguished, and the access signal is received by the external voltage source through the signal end of the charging communication module, and the access signal is fed back to the power management module through the second clock end, the second data end, the first clock end, and the first data end to trigger charging of the battery and trigger the power management module to manage the data of charging the battery.

2. The mobile power supply according to claim 1, characterized in that: The voltage detection module includes a first resistor, a voltage regulator, a first capacitor and an analog-to-digital converter, wherein: The negative electrode of the voltage-stabilizing diode is electrically connected to 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 diode respectively; The reference electrode of the voltage regulator is electrically connected to 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 to the analog-to-digital conversion signal end of the power control module; The other end of the first resistor is used to be electrically connected to the external voltage source, and the positive electrode of the voltage regulator tube and the other end of the first capacitor are used to be grounded respectively.

3. The mobile power supply according to claim 1 or 2, characterized in that: The mobile power supply further includes a discharge module, wherein: The discharge module is used to be electrically connected to an external electronic device and discharge the power of the battery to the external electronic device.

4. The mobile power supply according to claim 3, characterized in that: The discharge module includes a boost submodule, a current conversion submodule and a discharge submodule, wherein: One end of the boost submodule is used to be electrically connected to the positive electrode of the battery, and the other end of the boost submodule is electrically connected to the power management module; one end of the current conversion submodule is used to be grounded, and the other end of the current conversion submodule is electrically connected to the power management module; one end of the discharge submodule is used to be electrically connected to the external electronic device, and the other end of the discharge submodule is electrically connected to the power management module.

5. The mobile power supply according to claim 4, characterized in that: The boost submodule includes an inductor, a second capacitor, a third capacitor, and a second resistor, wherein: One end of the second capacitor, one end of the inductor, one end of the second resistor and the voltage detection end of the power management module are respectively used to electrically connect to the positive electrode of the battery, the other end of the inductor is electrically connected to the switch node end and the floating end of the power management module, and one end of the third capacitor, the other end of the third capacitor is electrically connected to the power management module, and the other end of the second capacitor is used to be grounded.

6. The mobile power supply according to claim 4, characterized in that: The current conversion submodule includes a fourth capacitor, a fifth capacitor, a sixth capacitor and a third resistor, wherein: One end of the fourth capacitor is electrically connected to one end of the fifth capacitor, one end of the third resistor, the positive current detection end of the power management module, and the pin end of the power management module respectively; One end of the third resistor is electrically connected to one end of the fifth capacitor, one end of the fourth capacitor, the positive current 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 to the other end of the fifth capacitor, the negative current 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 grounded respectively.

7. The mobile power supply according to any one of claims 1, 2, 4-6, characterized in that: The mobile power supply further includes a temperature protection module, wherein: One end of the temperature protection module is electrically connected to the power management module, and the other end of the temperature protection module is grounded.

8. The mobile power supply according to any one of claims 1, 2, 4-6, characterized in that: The mobile power supply further includes a battery capacity measurement module, wherein: One end of the battery capacity measurement module is electrically connected to the power management module, and the other end of the battery capacity measurement module is grounded.

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