Mobile energy storage power supply

By using an integrated circuit board and MCU module to control the output and input of the power supply signal in the mobile energy storage power supply, the problems of complex structure, high cost and large size of the existing system are solved, and a more compact and economical design is achieved.

CN119891461APending Publication Date: 2025-04-25SHENZHEN DARAN NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202510077965.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-04-25

AI Technical Summary

Technical Problem

The existing mobile energy storage power system is complex in structure, high cost and large in size due to the electrical connection of multiple control circuit boards and multiple electrical circuit boards, making it difficult to achieve a miniaturized design.

Method used

The integrated circuit board is integrated with the power management module, MCU module, power output control module and power input control module. The pulse width modulation and sinusoidal pulse width modulation control signals are output through the MCU module to control the output and input of the power signal, reducing the number of circuit boards and electrical connections.

Benefits of technology

Reduces system complexity and production costs, optimizes spatial layout, makes mobile energy storage power more compact, supports miniaturized design, and simplifies system control.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of outdoor mobile energy storage power supplies, in particular to a mobile energy storage power supply, which comprises a shell, an integrated circuit board arranged in the shell and a plurality of circuit modules arranged on the integrated circuit board, and is characterized in that the shell is provided with a charging interface and a power transmission interface; the plurality of circuit modules comprise a power supply management module, an MCU module connected with the power supply management module through an integrated circuit board, a power supply output control module connected with the power transmission interface and a power supply input control module connected with the charging interface; the power output control module and the power input control module are connected with the power management module and the MCU module through the integrated circuit board. The MCU module outputs PWM and SPWM control signals to the power supply output control module and outputs PWM control signals to the power supply input control module. The invention aims to provide a mobile energy storage power supply which can reduce the number of control panels and electrical connection, effectively reduce the complexity of a power supply system, reduce the production cost and facilitate miniaturization design.
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Description

Technical Field

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

[0002] Mobile energy storage power supply, referred to as "outdoor power supply", is a small energy storage device with a built-in lithium battery. It is used to replace traditional small fuel generators. It has the characteristics of large capacity, high power, safety and portability. It can provide stable AC / DC voltage output, thus meeting the power needs in various scenarios such as outdoor adventure, emergency rescue, camping and picnics.

[0003] The various power conversion processes in existing mobile energy storage power supplies usually need to be managed and controlled by dedicated control circuit boards or controllers. Although the independence and accuracy of each process are ensured, there are still some problems:

[0004] 1. The coexistence of multiple control circuit boards or controllers increases the electrical connections within the system, making the structure of the entire system relatively complex and increasing the complexity of the system;

[0005] 2. Multiple control circuit boards or controllers and electrical connection devices result in high hardware costs;

[0006] 3. Multiple control circuit boards or controllers and electrical connection devices require more physical space, which is not conducive to the miniaturization design of mobile energy storage power supplies. Summary of the invention

[0007] Based on this, the purpose of the present invention is to overcome the defects or shortcomings of the prior art and provide a mobile energy storage power supply, which can reduce the number of control board circuit boards or controllers and electrical connections, effectively reduce the overall complexity of the power supply system, cut production costs, and facilitate the miniaturization design of the mobile energy storage power supply.

[0008] The present invention is implemented by the following technical solutions: A mobile energy storage power supply comprises a housing, an integrated circuit board arranged in the housing, and a plurality of circuit modules arranged on the integrated circuit board, wherein the housing is provided with a charging interface and a power transmission interface;

[0009] The several circuit modules include: a power management module, an MCU module, a power output control module and a power input control module, wherein the power input control module is connected to the charging interface, and the power output control module is connected to the power transmission interface; the MCU module, the power output control module and the power input control module are all connected to the power management module through the integrated circuit board, the power management module provides power for the MCU module, the power output control module and the power input control module, and the power output control module and the power input control module are connected to the MCU module through the integrated circuit board;

[0010] The MCU module outputs a pulse width modulation control signal to the power output control module to control the DC power signal output by the power output control module; the MCU module outputs a sinusoidal pulse width modulation control signal to the power output control module to control the AC power signal output by the power output control module; the MCU module outputs a pulse width modulation control signal to the power input control module to control the DC power signal input by the power input control module.

[0011] Compared with the prior art, the mobile energy storage power supply provided by the present invention integrates the circuit components of the power conversion control involved in the charging and discharging process of the mobile energy storage power supply onto a substrate through the design of an integrated circuit board, thereby reducing the number of functional circuit boards and the connection lines between the circuit components, and optimizing the spatial layout, making the mobile energy storage power supply structure more compact; then the MCU module outputs a pulse width modulation control signal and a sinusoidal pulse width modulation control signal to the power output control module, and outputs a pulse width modulation control signal to the power input control module to control the output and input power signals of the mobile energy storage power supply, and multiple power conversion processes are all controlled by the MCU module, which can save multiple power conversion controllers, making the system control simpler. Through the above-mentioned settings, the mobile energy storage power supply provided by the present invention can reduce the number of control board circuit boards or controllers and electrical connections, effectively reduce the overall complexity of the power supply system, cut production costs, and contribute to the miniaturization design of the mobile energy storage power supply.

[0012] Furthermore, the power output control module includes an inverter control module and a first DC-to-DC conversion control module, and the inverter control module and the first DC-to-DC conversion control module are both connected to the power management module and the MCU module through the integrated circuit board; the MCU module outputs a sinusoidal pulse width modulation control signal to the inverter control module, and the MCU module outputs a pulse width modulation control signal to the first DC-to-DC conversion control module. The MCU module outputs a sinusoidal pulse width modulation control signal to the inverter control module, thereby controlling the AC power signal output by the mobile energy storage power supply; the MCU module outputs a pulse width modulation control signal to the first DC-to-DC conversion control module, thereby controlling the DC power signal output by the mobile energy storage power supply.

[0013] Furthermore, the power output control module also includes a second DC-to-DC conversion control module, which is connected to the power management module, the MCU module and the inverter control module respectively through the integrated circuit board, the second DC-to-DC conversion control module outputs a DC power signal to the inverter control module, and the MCU outputs a pulse width modulation control signal to the second DC-to-DC conversion control module. Through the design of the second DC-to-DC conversion control module, the output power and efficiency of the AC output of the mobile energy storage power supply are greatly improved, meeting the demand for power supply of high-voltage products outdoors.

[0014] Furthermore, the inverter control module includes an inverter correction module and an electromagnetic compatibility module, wherein the inverter correction module is used to correct the parameters of the sine wave waveform, and the electromagnetic compatibility module is used for the electromagnetic compatibility of the power signal after the inverter correction module with the external device. The inverter correction module corrects the AC power information converted by the inverter control module to ensure the accuracy of the power conversion by the inverter control module; the electromagnetic compatibility module (EMC module) further suppresses the AC interference information to ensure that the output AC power is cleaner.

[0015] Furthermore, the power input control module includes a solar MPPT control module, and the solar MPPT control module is respectively connected to the power management module and the MCU module through the integrated circuit board, and the MCU module outputs a pulse width modulation control signal to the solar MPPT control module. The pulse width modulation control signal is output to the solar MPPT control module through the MCU module, thereby controlling the input solar power signal.

[0016] Furthermore, the power management module includes a power management unit and a battery pack, the power management unit is connected to the MCU module via I2C communication, the battery pack is respectively connected to the power management unit, the MCU module, the power output control module and the power input control module via the integrated circuit board, and the power management unit controls the battery pack to supply power to the MCU module, the power output control module and the power input control module. Electrical isolation is achieved through I2C communication connection to ensure the stability and security of communication.

[0017] Furthermore, the power management module also includes a single cell voltage acquisition module, a single cell current acquisition module, and a single cell temperature acquisition module; the single cell voltage acquisition module, the single cell current acquisition module, and the single cell temperature acquisition module are all connected to the power management unit and the battery pack through the integrated circuit board, and the power management unit monitors the voltage, current, and temperature information of each battery cell through the single cell voltage acquisition module, the single cell current acquisition module, and the single cell temperature acquisition module.

[0018] Furthermore, the power management module also includes a single cell equalization management module, which is connected to the power management unit and the battery pack through the integrated circuit board, and the power management unit controls the equalization management module to balance the voltage difference between the single cells according to the monitored voltage information of each battery cell, which helps to ensure the consistency of battery charging and discharging, improve the overall performance of the battery pack and extend the service life of the battery.

[0019] Furthermore, when the mobile energy storage power supply is in standby mode, the MCU module sends a sleep command to the power management unit, and the power management unit enters sleep mode after receiving the sleep command. The power management module also includes a wake-up circuit, which is used to activate the power management unit and power the MCU module when the mobile energy storage power supply is turned on. The sleep management module reduces the system standby power consumption, improves the safety of the mobile energy storage power supply in standby mode, and prolongs the storage time of the mobile energy storage power supply.

[0020] Furthermore, it also includes an AC-to-DC PWM controller and an AC input control module, wherein the AC input control module is connected to the power management module through the integrated circuit board, and the AC-to-DC PWM controller is connected to the AC input control module through the integrated circuit board, and the AC-to-DC PWM controller outputs a pulse width modulation control signal to the AC input control module. The input AC power signal is controlled by the AC input control module.

[0021] For better understanding and implementation, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of the integrated circuit board described in this embodiment;

[0023] Figure 2 This is a structural diagram of the mobile energy storage power supply described in this embodiment;

[0024] Figure 3 is a circuit diagram of the wake-up circuit described in this embodiment.

[0025] Reference numerals: integrated circuit board 10; power management module 20; power management unit 21; battery pack 22; single cell voltage acquisition module 23; single cell current acquisition module 24; single cell temperature acquisition module 25; wake-up circuit 26; balance management module 27; MUC module 30; power output control module 40; first DC-to-DC conversion control module 41; inverter control module 42; inverter correction module 421; electromagnetic compatibility module 422; second DC-to-DC conversion control module 43; power input control module 50; solar MPPT control module 51 ; AC input control module 52; AC to DC PWM controller 53; first switch SW0; second switch SW1; third switch SW2; first resistor R70; second resistor R67; third resistor R76; fourth resistor R81; fifth resistor R87; sixth resistor 89; seventh resistor R86; first diode D18; second diode D21; third diode D26; fourth diode D27; fifth diode D24; sixth diode D23; first transistor Q16; second transistor Q20; third transistor Q21; fourth transistor Q18. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] like Figure 1 and Figure 2As shown, this embodiment provides a mobile energy storage power supply, including a shell (not shown), an integrated circuit board 10 arranged in the shell, and a plurality of circuit modules arranged on the integrated circuit board 10, the shell is provided with a charging interface (not shown) and a power transmission interface (not shown); the plurality of circuit modules include: a power management module 20, an MCU module 30, a power output control module 40 and a power input control module 50, the power input control module 50 is connected to the charging interface, and the power output control module 40 is connected to the power transmission interface; the MCU module 30, the power output control module 40 and the power input control module 50 are all connected to the power management module 20 through the integrated circuit board 10, and the power management module 20 is the The MCU module 30, the power output control module 40 and the power input control module 50 provide power, and the power output control module 40 and the power input control module 50 are connected to the MCU module 30 through the integrated circuit board 10; the MCU module 30 outputs a pulse width modulation control signal to the power output control module 40 to control the DC power signal output by the power output control module 40; the MCU module 30 outputs a sinusoidal pulse width modulation control signal to the power output control module 40 to control the AC power signal output by the power output control module 40; the MCU module 30 outputs a pulse width modulation control signal to the power input control module 50 to control the DC power signal input by the power input control module 50.

[0028] Through the design of the integrated circuit board 10, the circuit components of the power conversion control involved in the charging and discharging process of the mobile energy storage power supply are integrated onto a substrate, reducing the number of functional circuit boards and the connection lines between the circuit components, and optimizing the spatial layout, making the mobile energy storage power supply structure more compact; then the MCU module 30 outputs the pulse width modulation control signal and the sine pulse width modulation control signal to the power output control module 40, and outputs the pulse width modulation control signal to the power input control module 50 to control the output and input power signals of the mobile energy storage power supply, and multiple power conversion processes are controlled by the MCU module 30, which can save multiple power conversion control circuit boards, making the system control simpler. Through the above settings, the mobile energy storage power supply provided in this embodiment can reduce the number of control boards and electrical connections, effectively reduce the overall complexity of the power supply system, cut production costs, and contribute to the miniaturization design of the mobile energy storage power supply.

[0029] Specifically, the power management module 20 includes a power management unit 21 and a battery pack 22. The battery pack 22 is connected to the power management unit 21, the MCU module 30, the power output control module 40 and the power input control module 50 through the integrated circuit board 10. The power management unit 21 controls the battery pack 22 to supply power to the MCU module 30, the power output control module 40 and the power input control module 50. The power management unit 21 in this embodiment uses a chip with model SY68920, and the battery pack 22 is a lithium iron phosphate battery pack. Of course, in other replaceable embodiments, the battery pack can be other battery packs such as a ternary lithium battery pack.

[0030] The MCU module 30 may be a chip of the SMT32F series. In this embodiment, the MCU module 30 is a chip of the SMT32F103 model. The power management unit 21 is connected to the MCU module 30 via I2C communication. The I2C communication connection helps to achieve electrical isolation and ensure the stability and security of communication.

[0031] In this embodiment, the power management module 20 further includes a single cell voltage acquisition module 23, a single cell current acquisition module 24, and a single cell temperature acquisition module 25, which are all connected to the power management unit 21 and the battery pack 22 through the integrated circuit board 10, and the power management unit 21 monitors the voltage, current, and temperature information of each battery cell through the single cell voltage acquisition module 23, the single cell current acquisition module 24, and the single cell temperature acquisition module 25. By monitoring the voltage, current, and temperature information of each battery cell, the safety and reliability of the battery pack 22 are ensured, and the overall performance and efficiency of the battery pack 22 are improved.

[0032] Furthermore, the power management module 20 also includes a balancing management module 27, which is connected to the power management unit 21 and the battery pack 22 through the integrated circuit board 10. The power management unit 21 controls the balancing management module 27 to balance the voltage difference between the single cells based on the monitored voltage information of each battery cell, thereby facilitating the consistency of battery charging and discharging, improving the overall performance of the battery pack 22 and extending the battery life.

[0033] The power output control module 40 includes an inverter control module 42 and a first DC-to-DC conversion control module 41. The inverter control module 42 and the first DC-to-DC conversion control module 41 are both connected to the battery pack 22 through the integrated circuit board 10. The power management unit 21 controls the battery pack 22 to supply power to the inverter control module 42 and the first DC-to-DC conversion control module 41. The inverter control module 42 is used to convert the DC power signal output by the battery pack into an AC power signal, and the first DC-to-DC conversion control module 41 is used to convert the fixed DC power signal output by the battery pack into a variable DC power signal.

[0034] The MCU module 30 is connected to the inverter control module 42 and the first DC-to-DC conversion control module 41 through the integrated circuit board 10. The MCU module 30 outputs a sinusoidal pulse width modulation control signal (SPWM control signal) to the inverter control module 42 to control the AC power signal output by the inverter control module 42 to ensure the stability of the output AC power signal. The MCU module 30 outputs a pulse width modulation control signal (PWM control signal) to the first DC-to-DC conversion control module 41 to control the DC power signal output by the first DC-to-DC conversion control module 41 to ensure the stability of the output DC power signal.

[0035] Preferably, the power output control module 40 also includes a second DC-to-DC conversion control module 43, which is connected to the battery pack 22, the MCU module 30 and the inverter control module 42 respectively through the integrated circuit board 10, and the power management unit 21 controls the battery pack 22 to supply power to the second DC-to-DC conversion control module 43, and the second DC-to-DC conversion control module 43 converts the DC power signal output by the battery pack 22 into a high-voltage DC power signal, and outputs the high-voltage DC power signal to the inverter control module 42, and the inverter control module 42 converts the high-voltage DC signal into an AC power signal for output, and the MCU module 30 outputs a pulse width modulation signal (PWM control signal) to the second DC-to-DC conversion control module 43 to control the DC power signal output by the second DC-to-DC conversion control module 43. Through the design of the second DC-to-DC conversion control module 43, the output power and efficiency of the AC output of the mobile energy storage power supply are greatly improved, meeting the demand for power supply of high-voltage products outdoors.

[0036] Preferably, the inverter control module 42 further includes an inverter correction module 421 and an electromagnetic compatibility module 422, wherein the inverter correction module 421 is used to correct the parameters of the sine wave waveform, and the electromagnetic compatibility module 422 is used to ensure the electromagnetic compatibility of the power signal corrected by the inverter correction module 421 with an external device. The inverter correction module 421 corrects the AC power information converted by the inverter control module 42 to ensure the accuracy of the power conversion by the inverter control module 42; the electromagnetic compatibility module 422 (EMC module) further suppresses the AC interference information to ensure that the output AC power is cleaner.

[0037] The power input control module 50 includes a solar MPPT control module 51, and the solar MPPT control module 51 is respectively connected to the battery pack 22 and the MCU module 30 through the integrated circuit board 10. The MCU module 30 outputs a pulse width modulation signal (PWM control signal) to the solar MPPT control module 51, and controls the input solar power signal through the pulse width modulation signal (PWM control signal), ensuring that the solar panel charges the battery pack with maximum power output, thereby improving the charging efficiency and meeting the needs of outdoor use.

[0038] Preferably, this embodiment also includes an AC-to-DC PWM controller 53 and an AC input control module 52, wherein the AC input control module 52 is connected to the battery pack 22 via the integrated circuit board 10, and the AC-to-DC PWM controller 53 is connected to the AC input control module 52 via the integrated circuit board 10, and the AC input control module 52 is used to convert the input high-voltage AC power signal into a low-voltage DC power signal, and the AC-to-DC PWM controller 53 outputs a pulse width modulation signal (PWM control signal) to the AC input control module 52 to achieve stable control of AC charging.

[0039] It should be noted that the AC input control module 52, the inverter control module 42, the first DC-to-DC conversion control module 41, the second DC-to-DC conversion control module 43 and the solar MPPT control module 51 all include a voltage and current sampling feedback module (not shown), which is used to monitor the voltage and current information output by the above modules and transmit it to the AC-to-DC PWM controller 53 and the MCU module; the AC-to-DC PWM controller 53 outputs a pulse width to the AC input control module 52 according to the voltage and current information transmitted by the AC input control module 52. The MCU module outputs a sinusoidal pulse width modulation control signal to the inverter control module for control according to the voltage information and current information transmitted by the inverter control module; the MCU module outputs a pulse width modulation control signal to the first DC-to-DC conversion control module 41, the second DC-to-DC conversion control module 43, and the solar MPPT control module 51 for control according to the voltage and current information transmitted by the first DC-to-DC conversion control module 41, the second DC-to-DC conversion control module 43, and the solar MPPT control module 51.

[0040] The housing is also provided with a switch button (not shown), an LED display screen (not shown) and an LED lighting lamp (not shown). The switch button is connected to the MCU module 30 through the integrated circuit board 10, and the MCU module is controlled to work through the switch button. The LED display screen and the LED lighting lamp are both connected to the battery pack 22 and the MCU module 30, and the power management unit 21 controls the battery pack 22 to supply power to the LED display screen and the LED lighting lamp. The power management unit 21 transmits the collected voltage and current information of each battery cell to the MCU module 30, and the MCU module 30 calculates the power according to the received voltage information and current information, and controls the LED display screen to display the power information of the battery pack 22. In this embodiment, the switch button includes a DC switch button, an AC switch button and an LED lighting switch button, and the DC switch button, the AC switch button and the LED lighting switch button are used to control the DC power transmission, the AC power transmission and the lighting respectively.

[0041] When the mobile energy storage power supply is in standby mode, the MCU module 30 sends a sleep command to the power management unit 21, and the power management unit 21 enters sleep mode after receiving the sleep command. In this embodiment, the power management module 20 also includes a wake-up circuit 26, which is used to activate the power management unit 21 and supply power to the MCU module 30 when the mobile energy storage power supply is turned on. It should be noted that standby means that all switch buttons of the mobile energy storage power supply are turned off and are not triggered by any button.

[0042] Specifically, Figure 3 As shown, Figure 3 The circuit diagram of the wake-up circuit described in this embodiment. The wake-up circuit includes a first switch control circuit, a second switch control circuit, a third switch control circuit, an activation circuit and a post-stage soft start circuit, the output ends of the first switch control circuit, the first switch control circuit and the third switch control circuit are all connected to the input end of the activation circuit, and the output end of the activation circuit is connected to the power management unit and the post-stage soft start circuit; the input end (BAT end) of the second switch control circuit and the third switch control circuit is connected to the battery pack, and the input end (LSW end) of the first switch control circuit is connected to the LED light board; the output end (V33 end) of the first switch control circuit, the second switch control circuit and the third switch control circuit is also connected to the power supply end of the MCU module.

[0043] Taking the second switch control circuit waking up the power management module as an example, the second switch control circuit includes a second switch SW1, one end of the second switch SW1 is connected to the battery pack through the first resistor R70, and the other end of the second switch SW1 is connected to the power pin of the MCU module through the first diode D18, the second resistor R67 and the first transistor Q16 in sequence; the other end of the second switch SW1 is connected to the activation circuit through the second diode D21 at the same time. The activation circuit includes a third resistor R76, a third diode D26, a fourth resistor R81, a second transistor Q20 and a fourth diode D27 connected in sequence. The post-stage soft start circuit includes a third transistor Q21, a fifth resistor R87 and a sixth resistor 89 connected in parallel to the third transistor Q21. Among them, the third resistor R76 is connected to the output end of the second diode D21, the second transistor is connected to the TS end of the power management unit, and the third transistor Q21 is connected to the power pin of the MCU module and the second transistor respectively. The high-level signal after the second switch SW2 is pressed passes through the second diode D21, the third resistor R76, the third diode D26, and the fourth resistor R81 in sequence, turning on the second transistor Q20, pulling up the TS end, activating the power management unit, and turning on the third transistor Q21 connected to the second transistor Q20 to form a loop with the subsequent circuit, thereby supplying power to the subsequent circuit through the fifth diode D24, the third transistor Q21, the fifth resistor R87, and the sixth resistor 89; at the same time, the high-level signal after the second switch SW2 is pressed passes through the first diode D18 and the second resistor R67, turning on Q16, and the high-level signal is output to the MCU module.

[0044] It also includes a disabling circuit, which includes a sixth diode D23, a fourth transistor Q18 and a seventh resistor R86 connected in sequence, the sixth diode is connected to the third resistor R76, and the seventh resistor R86 is connected to the MCU module through the BBL terminal. After the power management unit and the MCU module are activated, the MCU module disables the activation circuit by setting the BBL terminal high.

[0045] In this embodiment, the first switch SW0 corresponds to the LED lighting switch button; the second switch SW1 corresponds to the DC switch button, and the third switch SW2 corresponds to the AC switch button. It should be noted that the first switch control circuit and the third switch control circuit are basically the same as the second switch control circuit, except that the LSW end of the first switch control circuit is connected to the LED light board, and a high-level signal is provided to the LSW end through the LED light board after the LED lighting switch button is pressed. The rest of the parts are the same and will not be repeated here. The CHC end of the wake-up circuit is connected to the CHC end of the controller U15, which is used to activate the power management unit during solar charging. The BG end of the wake-up circuit is connected to the reference ground of the power management unit, and the GND end of the wake-up circuit is grounded. The mobile energy storage power supply is turned on when any of the DC switch button, the AC switch button and the LED lighting switch button is pressed. Through the setting of the standby sleep and wake-up circuit, the mobile energy storage power supply provided in this embodiment can reduce the power consumption during standby, improve the safety of the mobile energy storage power supply during standby, and extend the storage time of the mobile energy storage power supply; through the wake-up circuit, the power output is quickly awakened when it is needed to meet the needs of users.

[0046] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms of "a", "said" and "the" used in the embodiments of the present application and the claims are also intended to include plural forms, unless the context clearly indicates other meanings. It should also be understood that, unless otherwise specified, "multiple" refers to two or more; the terms "first", "second", "third", etc. are only used to distinguish, rather than to describe a specific order or sequence, and cannot be understood as indicating or implying relative importance. The term "and / or" used herein refers to and includes any or all possible combinations of one or more associated listed items. When the above description relates to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. In the description of the present application, for those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0047] The above-mentioned embodiments only express several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the invention patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A mobile energy storage power supply, characterized in that: It comprises a housing, an integrated circuit board arranged in the housing, and a plurality of circuit modules arranged on the integrated circuit board, wherein the housing is provided with a charging interface and a power transmission interface; The several circuit modules include: a power management module, an MCU module, a power output control module and a power input control module, wherein the power input control module is connected to the charging interface, and the power output control module is connected to the power transmission interface; the MCU module, the power output control module and the power input control module are all connected to the power management module through the integrated circuit board, the power management module provides power for the MCU module, the power output control module and the power input control module, and the power output control module and the power input control module are connected to the MCU module through the integrated circuit board; The MCU module outputs a pulse width modulation control signal to the power output control module to control the DC power signal output by the power output control module; the MCU module outputs a sinusoidal pulse width modulation control signal to the power output control module to control the AC power signal output by the power output control module; the MCU module outputs a pulse width modulation control signal to the power input control module to control the DC power signal input by the power input control module.

2. The mobile energy storage power supply according to claim 1, characterized in that: The power output control module includes an inverter control module and a first DC-to-DC conversion control module, and the inverter control module and the first DC-to-DC conversion control module are both connected to the power management module and the MCU module through the integrated circuit board; the MCU module outputs a sinusoidal pulse width modulation control signal to the inverter control module, and the MCU module outputs a pulse width modulation control signal to the first DC-to-DC conversion control module.

3. The mobile energy storage power supply according to claim 2, characterized in that: The power output control module also includes a second DC-to-DC conversion control module, which is respectively connected to the power management module, the MCU module and the inverter control module through the integrated circuit board. The second DC-to-DC conversion control module outputs a DC power signal to the inverter control module, and the MCU outputs a pulse width modulation control signal to the second DC-to-DC conversion control module.

4. The mobile energy storage power supply according to claim 2, characterized in that: The inverter control module includes an inverter correction module and an electromagnetic compatibility module. The inverter correction module is used to correct the parameters of the sine wave waveform, and the electromagnetic compatibility module is used for the electromagnetic compatibility of the power signal after the inverter correction module with the external device.

5. The mobile energy storage power supply according to claim 1, characterized in that: The power input control module includes a solar MPPT control module, and the solar MPPT control module is respectively connected to the power management module and the MCU module through the integrated circuit board, and the MCU module outputs a pulse width modulation control signal to the solar MPPT control module.

6. The mobile energy storage power supply according to claim 1, characterized in that: The power management module includes a power management unit and a battery pack. The power management unit is connected to the MCU module via I2C communication. The battery pack is respectively connected to the power management unit, the MCU module, the power output control module and the power input control module via the integrated circuit board. The power management unit controls the battery pack to supply power to the MCU module, the power output control module and the power input control module.

7. The mobile energy storage power supply according to claim 6, characterized in that: The power management module also includes a single cell voltage acquisition module, a single cell current acquisition module, and a single cell temperature acquisition module; the single cell voltage acquisition module, the single cell current acquisition module, and the single cell temperature acquisition module are all connected to the power management unit and the battery pack through the integrated circuit board, and the power management unit monitors the voltage, current, and temperature information of each battery cell through the single cell voltage acquisition module, the single cell current acquisition module, and the single cell temperature acquisition module.

8. The mobile energy storage power supply according to claim 7, characterized in that: The power management module also includes a single cell battery balancing management module, which is connected to the power management unit and the battery pack through the integrated circuit board. The power management unit controls the balancing management module to balance the voltage difference between the single cells based on the monitored voltage information of each battery cell.

9. The mobile energy storage power supply according to claim 6, characterized in that: When the mobile energy storage power supply is on standby, the MCU module sends a sleep instruction to the power management unit. After receiving the sleep instruction, the power management unit enters sleep mode. The power management module also includes a wake-up circuit. When the mobile energy storage power supply is turned on, the wake-up circuit activates the power management unit and supplies power to the MCU module.

10. The mobile energy storage power supply according to claim 1, characterized in that: It also includes an AC-to-DC PWM controller and an AC input control module, wherein the AC input control module is connected to the power management module via the integrated circuit board, and the AC-to-DC PWM controller is connected to the AC input control module via the integrated circuit board, and the AC-to-DC PWM controller outputs a pulse width modulation control signal to the AC input control module.

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