WO2021057947A1 - 一种提高电池输出能效的控制系统、方法及电子设备 - Google Patents

一种提高电池输出能效的控制系统、方法及电子设备 Download PDF

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Publication number
WO2021057947A1
WO2021057947A1 PCT/CN2020/118033 CN2020118033W WO2021057947A1 WO 2021057947 A1 WO2021057947 A1 WO 2021057947A1 CN 2020118033 W CN2020118033 W CN 2020118033W WO 2021057947 A1 WO2021057947 A1 WO 2021057947A1
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WIPO (PCT)
Prior art keywords
voltage
battery
output
mode
conversion module
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Application number
PCT/CN2020/118033
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English (en)
French (fr)
Inventor
陈华明
王伟康
陆宏华
Original Assignee
深圳市道通科技股份有限公司
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Application filed by 深圳市道通科技股份有限公司 filed Critical 深圳市道通科技股份有限公司
Priority to EP20868700.4A priority Critical patent/EP4020749A4/en
Publication of WO2021057947A1 publication Critical patent/WO2021057947A1/zh
Priority to US17/656,267 priority patent/US20220216721A1/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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • H02J7/007184—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage in response to battery voltage gradient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00304—Overcurrent protection
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
    • 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
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • 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
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • 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
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/10—Control circuit supply, e.g. means for supplying power to the control circuit
    • 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
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • This application relates to the field of battery technology, and in particular to a control system, method and electronic device for improving battery output energy efficiency.
  • the application scenarios of high-power output and long-term battery life of automobile diagnosis are limited by the actual discharge cut-off voltage of the battery, and the discharge capacity of the battery is closely related to environmental changes.
  • the voltage of the car diagnostic panel during the battery power supply process is generally 3.5V
  • the battery discharge cut-off voltage is generally 3V.
  • the ambient temperature is 25 degrees
  • the battery is discharged to 3.5V when the battery is fully charged, 74% of the battery capacity is discharged. %
  • the ambient temperature is minus 20 degrees
  • when the battery is fully charged and discharged to 3.5V 20% of the battery capacity is discharged. It can be seen that the influence of ambient temperature on battery discharge capacity will significantly shorten the battery life and the battery capacity will be wasted.
  • the technical problem to be solved by the present invention is to provide a control system, method and electronic device for improving battery output energy efficiency, and solve the technical problems of short battery life and wasted battery capacity.
  • a control system for improving the energy efficiency of battery output which is applied to a car diagnostic panel, the car diagnostic panel including a power receiving system, and the system includes:
  • a battery a charging chip, a voltage conversion module, and a power management module, the battery is connected to the charging chip, the charging chip is connected to the voltage conversion module, and the voltage conversion module is connected to the power management module;
  • the battery is used to send the battery voltage to the voltage conversion module through the charging chip when the control system is not connected to an external power source;
  • the voltage conversion module is configured to receive the battery voltage, determine an operation mode according to the battery voltage, obtain an output voltage corresponding to the operation mode, and output the output voltage to the power management module;
  • the power management module is configured to convert and output at least one system voltage according to the output voltage, and the at least one system voltage is used to supply power to the power receiving system.
  • the operation mode includes a boost mode and a through mode
  • the voltage conversion module is configured to receive the battery voltage, determine an operation mode according to the battery voltage, and obtain the output voltage corresponding to the operation mode, including:
  • the operating mode is a boost mode
  • adjust the size of the battery voltage to the preset voltage and determine that the output voltage corresponding to the boost mode is the adjusted battery voltage.
  • the charging chip when the control system is connected to an external power source, the charging chip is used to charge the battery and output a DC voltage to the voltage conversion module;
  • the voltage conversion module is used for receiving the direct current voltage and outputting the direct current voltage to the power management module.
  • the voltage conversion module includes a MOS tube, and the MOS tube is respectively connected to the charging chip and the power management module,
  • the MOS transistor is used to output the battery voltage or the DC voltage to the power management module when the operation mode is the through mode.
  • the voltage conversion module further includes a boost circuit connected to the charging chip and the power management module,
  • the boost circuit is used to adjust the size of the battery voltage when the operation mode is the boost mode, raise the battery voltage to the preset voltage, and output the adjusted battery voltage to the preset voltage.
  • the power management module is used to adjust the size of the battery voltage when the operation mode is the boost mode, raise the battery voltage to the preset voltage, and output the adjusted battery voltage to the preset voltage.
  • the voltage conversion module is a DC-DC converter.
  • the DC-DC converter includes a voltage conversion chip, the voltage conversion chip is provided with a VSEL pin, and the VSEL pin is used to set the voltage threshold of the boost mode and the through mode.
  • the voltage conversion chip is further provided with a GPIO pin, a first enable pin, and a second enable pin,
  • the GPIO pin is used to control the turning on and off of the DC-DC converter according to the low-level signal and/or the high-level signal input by the first enable pin and the second enable pin , And control the operation mode of the DC-DC converter.
  • a control method for improving the energy efficiency of battery output which is applied to a car diagnostic panel.
  • the car diagnostic panel includes a power receiving system, and the method is controlled by the above-mentioned control method for improving battery output energy efficiency.
  • System execution the method includes:
  • At least one system voltage is converted and output, and the at least one system voltage is used to supply power to the power receiving system.
  • the operating mode includes a boost mode and a through mode
  • the determining the operating mode according to the battery voltage and obtaining the output voltage corresponding to the operating mode includes:
  • the operating mode is a boost mode
  • adjust the size of the battery voltage to the preset voltage and determine that the output voltage corresponding to the boost mode is the adjusted battery voltage.
  • an electronic device in yet another aspect of the embodiments of the present invention, includes the control system for improving the energy efficiency of battery output as described above.
  • the embodiment of the present invention provides a control system and a control method for improving the energy efficiency of battery output.
  • the control system is applied to a car diagnostic panel.
  • the car diagnostic panel includes a power receiving system.
  • the control system includes a battery, a charging chip, and a voltage conversion module.
  • a power management module the battery is connected to the charging chip, the charging chip is connected to the voltage conversion module, and the voltage conversion module is connected to the power management module, wherein the battery is used when the control system is not connected to an external power source ,
  • the battery voltage is sent to the voltage conversion module through the charging chip, the voltage conversion module is used to receive the battery voltage, determine the operating mode according to the battery voltage, obtain the output voltage corresponding to the operating mode, and deliver the output voltage to the power management module.
  • the management module converts and outputs at least one system voltage according to the output voltage, and the system voltage supplies power to the power receiving system.
  • the control system and control method for improving the energy efficiency of battery output provided by this embodiment can ensure that the voltage input to the power management module meets the preset requirements, and the voltage is not affected by the ambient temperature, thereby making full use of the battery capacity of the battery and ensuring the power supply
  • the voltage delivered by the management module to the power receiving system can prolong the working time of the power receiving system, and generally improve the battery life of the device.
  • FIG. 1 is a structural block diagram of a control system for improving battery output energy efficiency according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a control system for improving battery output energy efficiency according to an embodiment of the present invention
  • FIG. 3 is a circuit structure diagram of a voltage module provided by an embodiment of the present invention.
  • FIG. 4 is a circuit structure diagram of a charging chip provided by an embodiment of the present invention.
  • FIG. 5 is a circuit structure diagram of a converter provided by an embodiment of the present invention.
  • Fig. 6 is a flowchart of a control method for improving battery output energy efficiency according to an embodiment of the present invention.
  • FIG. 1 is a structural block diagram of a control system for improving battery output energy efficiency according to an embodiment of the present invention.
  • the control system 100 is applied to a car diagnostic panel.
  • the car diagnostic panel includes a power receiving system.
  • the electrical system includes other modules that require power supply, such as a car diagnostic panel system, MCU, and so on.
  • the control system 100 includes: a battery 10, a charging chip 20, a voltage conversion module 30 and a power management module 40.
  • the battery 10 is connected to a charging chip 20, the charging chip 20 is connected to a voltage conversion module 30, and the voltage conversion module 30 is connected to the power management module 40.
  • control system 100 may or may not be connected to an external power supply, and whether an external power supply is required can be selected according to specific application scenarios.
  • the external power supply may specifically be an adapter, and the adapter is connected to the charging chip. 20.
  • the adapter provides power to the control system 100, and the communication between the adapter and the charging chip 20 does not involve a communication protocol.
  • the external power supply charges the charging chip 20, and the charging chip 20 charges the battery 10 and supplies power to the system 100, wherein the charging The chip 20 outputs a DC voltage to the voltage conversion module 30, and the voltage conversion module 30 delivers the DC power to the power management module 40, so that the power management module 40 converts and outputs at least one system according to the DC voltage Voltage, the at least one system voltage is used to supply power to the power receiving system.
  • the battery 10 transmits the battery voltage to the voltage conversion module 30 through the charging chip 20, and the voltage conversion module 30 determines the operating mode according to the battery voltage and obtains The output voltage corresponding to the operating mode is then sent to the power management module 40, and the power management module 40 converts and outputs at least one system voltage according to the output voltage, and the at least one system voltage Used to supply power to the power receiving system.
  • the operation mode includes a boost mode and a direct mode.
  • the operating state of the control system is a normal mode, that is, a direct mode.
  • the operating state of the control system may be a through mode or a boost mode.
  • the voltage conversion module 30 is configured to receive the battery voltage, determine the operating mode according to the battery voltage, and obtain the operating mode.
  • the output voltage corresponding to the mode includes: determining whether the battery voltage is greater than or equal to the preset voltage; if so, determining that the operating mode is the through mode, and the output voltage corresponding to the through mode is the battery voltage; if not, determining The operation mode is a boost mode, the size of the battery voltage is adjusted to the preset voltage, and the output voltage corresponding to the boost mode is determined to be the adjusted battery voltage.
  • the main working principle of the control system 100 for improving battery output energy efficiency is that the battery voltage is delivered to the voltage conversion module 20 through the battery 10, and the voltage conversion module 30 determines the operating mode according to the magnitude of the battery voltage. According to the determined operating mode, the output voltage is adjusted to meet the voltage requirements during the power supply process of the car diagnostic panel battery, and the voltage adjusted by the voltage conversion module 30 is sent to the power management module 40 to ensure that the power management module 40 is in stable operation State, improve the battery capacity utilization rate of the battery 10, and increase the battery life of the car diagnostic tablet.
  • FIG. 2 is a schematic structural diagram of a control system for improving battery output energy efficiency according to an embodiment of the present invention.
  • the control system 100 includes a battery 10, a charging chip 20, a converter 30 and a power management chip 40, and the converter 30 includes a MOS tube 31 and a boost circuit 32.
  • the battery 10 is electrically connected to the charging chip 20, and the charging chip 20 is electrically connected to the MOS tube 31 and the boost circuit 32, respectively, and the MOS tube 31 and the boost circuit 32 are electrically connected to each other. It is electrically connected to the power management chip 40.
  • the battery 10 is a battery device carried by the control system 100 itself, and the battery 10 may specifically be a large-capacity rechargeable lithium battery or the like.
  • the charging chip 20 may specifically be a lithium battery charging module circuit, the charging chip 20 may be connected to an external power source, such as an adapter, and the charging chip 20 is used to receive the charging power provided by the external power source, and to provide the charging power to the charging power source according to the charging power source.
  • the battery 10 is charged and is also used to supply power to the system modules of the control system 100.
  • the converter 30 may be a DC-DC converter, which can be used to freely set the output voltage, such as setting the preset voltage to 3.5V, etc., and the DC-DC converter can also be used according to the battery 10
  • the battery voltage and the preset voltage are used to adjust the size of the battery voltage, that is, the operation mode is selected, so as to ensure that the voltage output by the DC-DC converter can make the system 100 work stably and effectively.
  • the DC-DC converter is used to: determine whether the battery voltage is greater than or equal to a preset voltage; if so, determine that the operation mode is a through mode, and the output voltage corresponding to the through mode is the battery voltage; If not, determine that the operating mode is a boost mode, adjust the size of the battery voltage to the preset voltage, and determine that the output voltage corresponding to the boost mode is the adjusted battery voltage.
  • the direct mode that is, the DC voltage output by the charging chip 20 is directly output to the power management chip 40 through the DC-DC converter, and the battery voltage greater than the preset voltage is output to the DC-DC converter through the charging chip 20,
  • the DC-DC converter outputs to the power management chip 40;
  • the boost mode is to increase the battery voltage output by the battery 10 to the preset voltage level.
  • the converter 30 includes a MOS tube 31 and a boost circuit 32.
  • the MOS tube 31 is connected to the charging chip 20 and the power management chip 40, respectively, and the boost circuit 32 is connected to the power management chip 40, respectively.
  • the charging chip 20 and the power management chip 40 are described.
  • the DC voltage or the battery voltage may be output to the power management chip 40 through the MOS tube 31; when it is determined according to the above process
  • the boost circuit 32 When the current operating mode of the converter 30 is the boost mode, the voltage of the battery can be adjusted by the boost circuit 32 to increase the battery voltage to the same voltage as the preset voltage, and output This voltage is applied to the power management chip 40.
  • the specific circuit structure of the boost circuit 32 can refer to the prior art.
  • FIGS. 3 to 5 provide specific circuit diagrams corresponding to the control system 100.
  • FIG. 3 is a circuit structure diagram of a voltage module
  • FIG. 4 is a circuit of a charging chip.
  • Structure diagram Figure 5 is a circuit structure diagram of a converter.
  • the adapter connects a voltage (such as 12V) to the voltage module through VIN, and outputs the processed voltage (such as 8V) from VOUT after internal processing of the chip.
  • the adapter is used to provide the voltage module with Charging power supply.
  • the voltage output by VOUT in Figure 3 is connected to the VIN pin in Figure 4.
  • the converter shown in Fig. 5 may be a DC-DC converter, which judges the magnitude of the input voltage through the MCU to determine whether the magnitude of the voltage needs to be adjusted. When it is small, the voltage is delivered to the power management chip in the above-mentioned pass-through mode; when the voltage needs to be adjusted, the voltage is delivered to the power management chip in the above-mentioned boost mode. Wherein, as shown in FIG.
  • the converter may be a voltage conversion chip, and the voltage conversion chip is provided with a VSEL pin, and the VSEL pin is used to set the voltage threshold of the boost mode and the through mode.
  • the voltage conversion chip is also provided with a GPIO pin, a first enable pin, and a second enable pin.
  • the GPIO pin is used to enable the first enable pin and the second enable pin.
  • the low-level signal and/or high-level signal input from the pin controls the on and off of the DC-DC converter, and controls the operation mode of the DC-DC converter, for example, according to the EN pin and the BYP pin Set the combination mode. If EN is 0 and BYP is 0, the converter is turned off.
  • I2C integrated circuit bus
  • the I2C bus supports a communication rate of up to 3.4Mbps
  • the I2C bus is used to provide a communication interface for the MCU to set the output voltage threshold of the converter, so
  • the voltage threshold includes the voltage threshold corresponding to the boost mode and the through mode; the working mode of the converter is set, which includes: PFM/PWM mode or forced PWM mode; the input overcurrent protection threshold of the converter can also be set or the converter reset The output voltage.
  • the power management chip 40 is configured to convert and output various power supply voltages suitable for the power receiving system according to the voltage input by the converter 30, such as 3.3V, 1.8V, 1.2V, 1.0V, etc.
  • the embodiment of the present invention provides a control system for improving the energy efficiency of battery output.
  • the control system is applied to a car diagnostic panel.
  • the car diagnostic panel includes a power receiving system.
  • the control system includes a battery, a charging chip, a voltage conversion module, and power management.
  • Module the battery is connected to the charging chip, the charging chip is connected to the voltage conversion module, the voltage conversion module is connected to the power management module, wherein the battery is used for charging when the control system is not connected to an external power source
  • the chip sends the battery voltage to the voltage conversion module.
  • the voltage conversion module is used to receive the battery voltage, determine the operation mode according to the battery voltage, obtain the output voltage corresponding to the operation mode, and deliver the output voltage to the power management module.
  • At least one system voltage is converted and output according to the output voltage, and the system voltage supplies power to the power receiving system.
  • the control system provided in this embodiment can ensure that the output voltage input to the power management module meets the preset requirements, and the output voltage is not affected by various environments such as high temperature and low temperature used in the car diagnostic panel, and makes full use of the battery capacity, and Lowering the cut-off voltage of the battery solves the problems of high-power output and short battery life for vehicle diagnosis, and improves the battery life of the device as a whole, and improves the user experience.
  • FIG. 6 is a flowchart of a control method for improving battery output energy efficiency according to an embodiment of the present invention.
  • the method is applied to a car diagnostic panel that includes a power receiving system.
  • the control system executes, and the method includes:
  • Step 101 Obtain the battery voltage of the battery when the control system is not connected to an external power source.
  • Step 102 Determine an operating mode according to the battery voltage, and obtain an output voltage corresponding to the operating mode.
  • Step 103 Convert and output at least one system voltage according to the output voltage, where the at least one system voltage is used to supply power to the power receiving system.
  • Step 104 When the control system is connected to an external power source, obtain the DC voltage of the charging chip, and convert and output at least one system voltage according to the DC voltage, and the at least one system voltage is used to supply the power to the power receiving device. System power supply.
  • the operation mode includes a boost mode and a through mode
  • the determining the operation mode according to the battery voltage and obtaining the output voltage corresponding to the operation mode includes:
  • the operating mode is a boost mode
  • adjust the size of the battery voltage to the preset voltage and determine that the output voltage corresponding to the boost mode is the adjusted battery voltage.
  • the embodiment of the present invention provides a control method for improving the energy efficiency of battery output.
  • the control method is applied to a car diagnostic panel, the car diagnostic panel includes a power receiving system, and the control method includes when the control system is not connected to an external power source, Obtain the battery voltage of the battery; determine the operating mode according to the battery voltage, and obtain the output voltage corresponding to the operating mode; convert and output at least one system voltage according to the output voltage, and the at least one system voltage is used for Supply power to the power receiving system.
  • the control method provided in this embodiment can ensure that the output voltage meets the preset requirements, and the output voltage is not affected by various environments such as high temperature and low temperature used by the car diagnostic panel. It makes full use of the battery capacity of the power module and saves the battery.
  • the cut-off voltage is reduced, which solves the problems of high-power output and long-term battery life for vehicle diagnostics, improves the battery life of the device as a whole, and improves the user experience.
  • An embodiment of the present invention also provides an electronic device, which includes the control system for improving battery output energy efficiency as described in the foregoing embodiment.
  • the electronic device may specifically be a car diagnostic tablet or other devices with batteries. , Such as diagnostic equipment, TPMS diagnostic tools, endoscopic diagnostic tools, anti-theft product testing tools, battery testing tools, infrared thermal imaging testing tools, four-wheel alignment testing tools, etc.
  • the electronic device has the same beneficial effects as the foregoing system embodiment and method embodiment. For parts that are not detailed in this embodiment, reference may be made to the foregoing embodiment.
  • the device embodiments described above are merely illustrative.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in One place, or it can be distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each implementation manner can be implemented by means of software plus a general hardware platform, and of course, it can also be implemented by hardware.
  • a person of ordinary skill in the art can understand that all or part of the processes in the methods of the foregoing embodiments can be implemented by instructing relevant hardware through a computer program.
  • the program can be stored in a computer readable storage medium, and the program can be stored in a computer readable storage medium. When executed, it may include the procedures of the above-mentioned method embodiments.
  • the storage medium may be a magnetic disk, an optical disc, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM).

Abstract

一种提高电池输出能效的控制系统（100）、方法及电子设备。该系统（100）包括：电池（10）、充电芯片（20）、电压转换模块（30）及电源管理模块（40），该电池（10）用于在控制系统（100）未连接外接电源时，通过该充电芯片（20）向该电压转换模块（30）发送电池电压，该电压转换模块（30）用于接收该电池电压，根据该电池电压确定运行模式，获取该运行模式对应的输出电压，并输出该输出电压至该电源管理模块（40），该电源管理模块（40）用于根据该输出电压转换输出至少一种系统电压，该至少一种系统电压用于给受电系统供电。该系统（100）不受高温和低温等各种环境的影响，充分利用了电源模块的电池容量，并将电池（10）截止电压降低，解决了汽车诊断大功率输出和长时间续航短的问题，提升了用户的使用体验。

Description

一种提高电池输出能效的控制系统、方法及电子设备
本申请要求于2019年9月29日提交中国专利局、申请号为201910935765.7、申请名称为“一种提高电池输出能效的控制系统、方法及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电池技术领域，尤其涉及一种提高电池输出能效的控制系统、方法及电子设备。
背景技术
随着近几年汽车诊断技术的快速发展，越来越关注锂电池的能量密度和输出效率，为满足大功率输出和长时间续航的使用要求，开发一个安全可靠的锂离子电池放电系统，将会充分利用整个电池的容量，延长电池的续航时间，提高客户的舒适体验。
目前，汽车诊断大功率输出和长时间续航的应用场景受限于电池实际的放电截止电压，而电池的放电容量与环境变化密切相关。比如，汽车诊断平板在电池供电过程中的电压一般为3.5V，电池放电截止电压一般为3V，当环境温度为25度时，电池满电的情况下放电至3.5V时，放出电池容量的74％；当环境温度为零下20度时，电池满电的情况下放电至3.5V时，放出电池容量的20％。可见环境温度对电池放电容量的影响会导致电池的续航时间明显缩短，电池容量被浪费。
发明内容
本发明要解决的技术问题是提供一种提高电池输出能效的控制系统、方法及电子设备，解决电池续航时间短、电池容量被浪费的技术问题。
本发明实施例的一个方面，提供一种提高电池输出能效的控制系统，应用于汽车诊断平板，所述汽车诊断平板包括受电系统，所述系统包括：
电池、充电芯片、电压转换模块以及电源管理模块，所述电池与所述充电芯片连接，所述充电芯片与所述电压转换模块连接，所述电压转换模块与所述电源管理模块连接；
所述电池用于在所述控制系统未连接外接电源时，通过所述充电芯片向所述电压转换模块发送电池电压；
所述电压转换模块用于接收所述电池电压，根据所述电池电压确定运行模式，获取所述运行模式对应的输出电压，并输出所述输出电压至所述电源管理模块；
所述电源管理模块用于根据所述输出电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。
可选地，所述运行模式包括升压模式和直通模式，所述电压转化模块用于接收所述电池电压，根据所述电池电压确定运行模式，获取所述运行模式对应的输出电压，包括：
判断所述电池电压是否大于或者等于预设电压；
若是，确定所述运行模式为直通模式，所述直通模式对应的输出电压为所述电池电压；
若否，确定所述运行模式为升压模式，调节所述电池电压的大小至所述预设电压，并确定所述升压模式对应的输出电压为调节后的所述电池电压。
可选地，当所述控制系统连接外接电源时，所述充电芯片用于给所述电池充电，并输出直流电压至所述电压转换模块；
所述电压转换模块用于接收所述直流电压，并输出所述直流电压至所述电源管理模块。
可选地，所述电压转换模块包括MOS管，所述MOS管分别与所述充电芯片以及所述电源管理模块连接，
所述MOS管用于在所述运行模式为直通模式时，输出所述电池电压或者所述直流电压至所述电源管理模块。
可选地，所述电压转换模块还包括升压电路，所述升压电路连接所述充电芯片和所述电源管理模块，
所述升压电路用于在所述运行模式为升压模式时，调节所述电池电压的大小，将所述电池电压升至所述预设电压，并输出调节后的所述电池电压至所述电源管理模块。
可选地，所述电压转换模块为DC-DC转换器。
可选地，所述DC-DC转换器包括电压转换芯片，所述电压转换芯片设有VSEL引脚，所述VSEL引脚用于设置所述升压模式和所述直通模式的电压阈值。
可选地，所述电压转换芯片还设有GPIO引脚、第一使能引脚及第二使能引脚，
所述GPIO引脚用于根据所述第一使能引脚、所述第二使能引脚输入的低电平信号和/或高电平信号控制所述DC-DC转换器的开启和关闭，以及控制所述DC-DC转换器的运行模式。
本发明实施例的另一个方面，提供一种提高电池输出能效的控制方法，应用于汽车诊断平板，所述汽车诊断平板包括受电系统，所述方法由如上所述的提高电池输出能效的控制系统执行，所述方法包括：
当所述控制系统未连接外接电源时，获取所述电池的电池电压；
根据所述电池电压确定运行模式，并获取所述运行模式对应的输出电压；
根据所述输出电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。
可选地，所述运行模式包括升压模式和直通模式，
所述根据所述电池电压确定运行模式，并获取所述运行模式对应的输出电 压，包括：
判断所述电池电压是否大于或者等于预设电压；
若是，确定所述运行模式为直通模式，所述直通模式对应的输出电压为所述电池电压；
若否，确定所述运行模式为升压模式，调节所述电池电压的大小至所述预设电压，并确定所述升压模式对应的输出电压为调节后的所述电池电压。
本发明实施例的再一个方面，提供一种电子设备，所述电子设备包括如上所述的提高电池输出能效的控制系统。
本发明实施例提供了一种提高电池输出能效的控制系统和控制方法，该控制系统应用于汽车诊断平板，所述汽车诊断平板包括受电系统，该控制系统包括电池、充电芯片、电压转换模块及电源管理模块，电池连接所述充电芯片，所述充电芯片连接所述电压转换模块，所述电压转换模块连接所述电源管理模块，其中，所述电池用于在控制系统未连接外接电源时，通过充电芯片向电压转换模块发送电池电压，电压转换模块用于接收该电池电压，根据电池电压确定运行模式，获取该运行模式对应的输出电压，并将该输出电压输送给电源管理模块，电源管理模块根据输出电压转换输出至少一种系统电压，所述系统电压给受电系统供电。本实施例提供的提高电池输出能效的控制系统和控制方法能够保证输入给电源管理模块的电压满足预设要求，该电压不受环境温度影响，从而充分的利用了电池的电池容量，保证了电源管理模块输送给受电系统的电压能够延长受电系统的工作时长，总体上提高了设备的续航时间。
附图说明
一个或多个实施例通过与之对应的附图中的图片进行示例性说明，这些示例性说明并不构成对实施例的限定，附图中具有相同参考数字标号的元件表示为类似的元件，除非有特别申明，附图中的图不构成比例限制。
图1是本发明实施例提供的一种提高电池输出能效的控制系统的结构框图；
图2是本发明实施例提供的一种提高电池输出能效的控制系统的结构示意图；
图3是本发明实施例提供的一种电压模块的电路结构图；
图4是本发明实施例提供的一种充电芯片的电路结构图；
图5是本发明实施例提供的一种转换器的电路结构图；
图6是本发明实施例提供的一种提高电池输出能效的控制方法的流程图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅 用以解释本发明，并不用于限定本发明。
需要说明的是，如果不冲突，本发明实施例中的各个特征可以相互组合，均在本发明的保护范围之内。另外，虽然在装置示意图中进行了功能模块的划分，在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于装置示意图中的模块划分，或流程图中的顺序执行所示出或描述的步骤。
请参阅图1，图1是本发明实施例提供的一种提高电池输出能效的控制系统的结构框图，该控制系统100应用于汽车诊断平板，所述汽车诊断平板包括受电系统，所述受电系统包括汽车诊断平板系统、MCU等其他需要供电的模块。如图1所示，所述控制系统100包括：电池10、充电芯片20、电压转换模块30以及电源管理模块40。所述电池10连接充电芯片20，所述充电芯片20连接电压转换模块30，所述电压转换模块30连接所述电源管理模块40。
在本实施例中，所述控制系统100可以外接电源，也可以不外接电源，可以根据具体地应用场景选择是否需要外接电源，所述外接电源具体可以是适配器，所述适配器连接所述充电芯片20，所述适配器为所述控制系统100提供电源，所述适配器与所述充电芯片20之间的通信不涉及通信协议。
其中，当所述控制系统100有外接电源时，所述外接电源给所述充电芯片20充电，所述充电芯片20给所述电池10充电，并且给所述系统100供电，其中，所述充电芯片20输出直流电压给所述电压转换模块30，所述电压转换模块30将所述直流电源输送给电源管理模块40，以使所述电源管理模块40根据所述直流电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。
当所述控制系统100没有外接电源时，所述电池10通过所述充电芯片20将电池电压输送给所述电压转换模块30，所述电压转换模块30根据所述电池电压确定运行模式，并获取所述运行模式对应的输出电压，再将所述输出电压输送给所述电源管理模块40，所述电源管理模块40根据所述输出电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。
其中，所述运行模式包括升压模式和直通模式，当所述控制系统100有外接电源时，所述控制系统的运行状态为普通模式，即直通模式，当所述控制系统100没有外接电源时，所述控制系统的运行状态可以是直通模式，也可以是升压模式，具体地，所述电压转化模块30用于接收所述电池电压，根据所述电池电压确定运行模式，获取所述运行模式对应的输出电压，包括：判断所述电池电压是否大于或者等于预设电压；若是，确定所述运行模式为直通模式，所述直通模式对应的输出电压为所述电池电压；若否，确定所述运行模式为升压模式，调节所述电池电压的大小至所述预设电压，并确定所述升压模式对应的输出电压为调节后的所述电池电压。
在本实施例中，所述提高电池输出能效的控制系统100的主要工作原理是，通过电池10给所述电压转换模块20输送电池电压，电压转换模块30根据所述电池电压的大小确定运行模式，根据确定的运行模式调节输出的电压满 足适合汽车诊断平板电池供电过程中的电压要求，经所述电压转换模块30调节后的电压输送给电源管理模块40，从而保证电源管理模块40处于稳定工作状态，提高电池10的电池容量利用率，并提高汽车诊断平板的续航时间。
下面结合附图对本发明实施例作进一步阐述。
请参阅图2，图2是本发明实施例提供的一种提高电池输出能效的控制系统的结构示意图。如图2所示，所述控制系统100包括：电池10、充电芯片20、转换器30以及电源管理芯片40，所述转换器30包括MOS管31和升压电路32。其中，所述电池10与所述充电芯片20电连接，所述充电芯片20与分别与所述MOS管31以及所述升压电路32电连接，所述MOS管31和所述升压电路32与所述电源管理芯片40电连接。
其中，所述电池10是所述控制系统100自身携带的电池设备，所述电池10具体可以是大容量的可充电锂电池等。
所述充电芯片20具体可以是锂电池充电模块电路，所述充电芯片20可以连接外接电源，比如适配器，所述充电芯片20用于接收外接电源提供的充电电源，根据所述充电电源给所述电池10充电，并且还用于给所述控制系统100的系统模块供电。
所述转换器30具体可以是DC-DC转换器，其可以用于自由设置输出电压，比如设置预设电压为3.5V等，所述DC-DC转换器还可以用于根据所述电池10的电池电压以及所述预设电压来调节所述电池电压的大小，即选择运行模式，从而保证DC-DC转换器输出的电压能够使所述系统100稳定有效地工作。具体地，所述DC-DC转换器用于：判断所述电池电压是否大于或者等于预设电压；若是，确定所述运行模式为直通模式，所述直通模式对应的输出电压为所述电池电压；若否，确定所述运行模式为升压模式，调节所述电池电压的大小至所述预设电压，并确定所述升压模式对应的输出电压为调节后的所述电池电压。其中，所述直通模式即充电芯片20输出的直流电压经过DC-DC转换器直接输出给电源管理芯片40，以及大于预设电压的电池电压通过所述充电芯片20输出至DC-DC转换器，再由DC-DC转换器输出给电源管理芯片40；所述升压模式即将所述电池10输出的电池电压调大至所述预设电压大小。
在本实施例中，所述转换器30包括MOS管31和升压电路32，所述MOS管31分别连接所述充电芯片20和所述电源管理芯片40，所述升压电路32分别连接所述充电芯片20和所述电源管理芯片40。当根据上述过程确定所述转换器30当前的运行模式是直通模式时，可以通过所述MOS管31输出所述直流电压或者所述电池电压至所述电源管理芯片40；当根据上述过程确定所述转换器30当前的运行模式是升压模式时，可以通过所述升压电路32调节所述电池电压的大小，将所述电池电压升至与所述预设电压大小相同的电压，并输出该电压至所述电源管理芯片40。其中，所述升压电路32具体的电路结构可以参考现有技术。
例如，请一并参阅图3至图5，图3至图5提供了所述控制系统100对应 的具体电路图，图3是一种电压模块的电路结构图，图4是一种充电芯片的电路结构图，图5是一种转换器的电路结构图。如图3所示，适配器通过VIN向电压模块接入电压(比如12V)，经芯片内部处理后从VOUT输出处理后的电压(比如8V)，其中，所述适配器用于给所述电压模块提供充电电源，图3中VOUT输出的电压经图4中的VIN引脚接入，该电压通过BAT引脚给电池充电，通过SW引脚和SYS引脚给系统供电并作为转换器的输入电压输入给图5中的转换器。如图5所示，图5中所示的转换器可以是DC-DC转换器，其通过MCU对所述输入的电压大小进行判断，确定是否需要调节该电压的大小，当不需要调节电压大小时，以上述直通模式将所述电压输送给电源管理芯片；当需要调节电压大小时，以上述升压模式将所述电压输送给电源管理芯片。其中，如图5所示，转换器可以是电压转换芯片，该电压转换芯片设有VSEL引脚，所述VSEL引脚用于设置所述升压模式和所述直通模式的电压阈值。所述电压转换芯片还设有GPIO引脚、第一使能引脚及第二使能引脚，所述GPIO引脚用于根据所述第一使能引脚、所述第二是能引脚输入的低电平信号和/或高电平信号控制所述DC-DC转换器的开启和关闭，以及控制所述DC-DC转换器的运行模式，比如，根据EN引脚和BYP引脚进行组合模式设置，EN为0且BYP为0，则转换器关闭，所述转换器为直通限流模式，可以输出电流0.25A；EN为0且BYP为1，则转换器关闭，所述转换器为低压输出模式，输出的电压可以为VIN-VOUT<＝3.6V；EN为1且BYP为0，则转换器打开，所述转换器为强制直通模式；EN为1且BYP为1，则转换器打开，所述转换器为自动模式，可以运行升压模式和直通模式。其中，图5所示的转换器包括集成电路总线(I2C)，所述I2C总线支持最高3.4Mbps的通信速率，所述I2C总线用于给MCU提供一个通信接口设置转换器的输出电压阈值，所述电压阈值包括升压模式和直通模式对应的电压阈值；设置转换器的工作模式，其包括：PFM/PWM模式或者强制PWM模式；还可以设置转换器输入过流保护阈值或者重置转换器的输出电压。
所述电源管理芯片40用于根据所述转换器30输入的电压转换输出各种适合受电系统的电源电压，比如3.3V，1.8V，1.2V，1.0V等。
本发明实施例提供了一种提高电池输出能效的控制系统，该控制系统应用于汽车诊断平板，所述汽车诊断平板包括受电系统，该控制系统包括电池、充电芯片、电压转换模块及电源管理模块，电池连接所述充电芯片，所述充电芯片连接所述电压转换模块，所述电压转换模块连接所述电源管理模块，其中，所述电池用于在控制系统未连接外接电源时，通过充电芯片向电压转换模块发送电池电压，电压转换模块用于接收该电池电压，根据该电池电压确定运行模式，获取该运行模式对应的输出电压，并将该输出电压输送给电源管理模块，电源管理模块根据输出电压转换输出至少一种系统电压，所述系统电压给受电系统供电。本实施例提供的控制系统能够保证输入给电源管理模块的输出电压满足预设要求，该输出电压不受汽车诊断平板使用的高温和低温等各种环境的影响，充分的利用了电池容量，并将电池截止电压降低，解决了汽车诊断大功 率输出和长时间续航短的问题，总体上提高了设备的续航时间，提升了用户的使用体验。
请参阅图6，图6是本发明实施例提供的一种提高电池输出能效的控制方法的流程图，该方法应用于汽车诊断平板，所述汽车诊断平板包括受电系统，所述方法由如上所述的控制系统执行，所述方法包括：
步骤101、当所述控制系统未连接外接电源时，获取所述电池的电池电压。
步骤102、根据所述电池电压确定运行模式，并获取所述运行模式对应的输出电压。
步骤103、根据所述输出电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。
步骤104、当所述控制系统连接外接电源时，获取所述充电芯片的直流电压，并根据所述直流电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。
其中，所述运行模式包括升压模式和直通模式，
所述根据所述电池电压确定运行模式，并获取所述运行模式对应的输出电压，包括：
判断所述电池电压是否大于或者等于预设电压；
若是，确定所述运行模式为直通模式，所述直通模式对应的输出电压为所述电池电压；
若否，确定所述运行模式为升压模式，调节所述电池电压的大小至所述预设电压，并确定所述升压模式对应的输出电压为调节后的所述电池电压。
上述步骤101至步骤104由上述实施例中的提高电池输出能效的控制系统执行，其具体实现可以参考上述控制系统的实施例，在此不再赘述。
本发明实施例提供了一种提高电池输出能效的控制方法，该控制方法应用于汽车诊断平板，所述汽车诊断平板包括受电系统，该控制方法包括当所述控制系统未连接外接电源时，获取所述电池的电池电压；根据所述电池电压确定运行模式，并获取所述运行模式对应的输出电压；根据所述输出电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。本实施例提供的控制方法能够保证输出的电压满足预设要求，该输出电压不受汽车诊断平板使用的高温和低温等各种环境的影响，充分的利用了电源模块的电池容量，并将电池截止电压降低，解决了汽车诊断大功率输出和长时间续航短的问题，总体上提高了设备的续航时间，提升了用户的使用体验。
本发明实施例还提供了一种电子设备，所述电子设备包括如上述实施例所述的提高电池输出能效的控制系统，该电子设备具体可以是汽车诊断平板，还可以是其他带电池的设备，比如诊断仪、TPMS诊断工具、内窥镜诊断工具、防盗产品检测工具、电池检测工具、红外热成像检测工具、四轮定位仪检测工具等。所述电子设备具备上述系统实施例和方法实施例相同的有益效果，未在本实施例详述的部分具体可以参考上述实施例。
以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。
通过以上的实施方式的描述，本领域普通技术人员可以清楚地了解到各实施方式可借助软件加通用硬件平台的方式来实现，当然也可以通过硬件来实现。本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或随机存储记忆体(Random Access Memory，RAM)等。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；在本发明的思路下，以上实施例或者不同实施例中的技术特征之间也可以进行组合，步骤可以以任意顺序实现，并存在如上所述的本发明的不同方面的许多其它变化，为了简明，它们没有在细节中提供；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (12)

  1. 一种提高电池输出能效的控制系统，应用于汽车诊断平板，所述汽车诊断平板包括受电系统，其特征在于，所述系统包括：电池、充电芯片、电压转换模块以及电源管理模块，所述电池与所述充电芯片连接，所述充电芯片与所述电压转换模块连接，所述电压转换模块与所述电源管理模块连接；
    所述电池用于在所述控制系统未连接外接电源时，通过所述充电芯片向所述电压转换模块发送电池电压；
    所述电压转换模块用于接收所述电池电压，根据所述电池电压确定运行模式，获取所述运行模式对应的输出电压，并输出所述输出电压至所述电源管理模块；
    所述电源管理模块用于根据所述输出电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。
  2. 根据权利要求1所述系统，其特征在于，所述运行模式包括升压模式和直通模式，所述电压转化模块用于接收所述电池电压，根据所述电池电压确定运行模式，获取所述运行模式对应的输出电压，包括：
    判断所述电池电压是否大于或者等于预设电压；
    若是，确定所述运行模式为直通模式，所述直通模式对应的输出电压为所述电池电压；
    若否，确定所述运行模式为升压模式，调节所述电池电压的大小至所述预设电压，并确定所述升压模式对应的输出电压为调节后的所述电池电压。
  3. 根据权利要求2所述的系统，其特征在于，当所述控制系统连接外接电源时，
    所述充电芯片用于给所述电池充电，并输出直流电压至所述电压转换模块；
    所述电压转换模块用于接收所述直流电压，并输出所述直流电压至所述电源管理模块。
  4. 根据权利要求3所述的系统，其特征在于，所述电压转换模块包括MOS管，所述MOS管分别与所述充电芯片以及所述电源管理模块连接；
    所述MOS管用于在所述运行模式为直通模式时，输出所述电池电压或者所述直流电压至所述电源管理模块。
  5. 根据权利要求1至4任一项所述的系统，其特征在于，所述电压转换模块还包括升压电路，所述升压电路连接所述充电芯片和所述电源管理模块，
    所述升压电路用于在所述运行模式为升压模式时，调节所述电池电压的大小，将所述电池电压升至所述预设电压，并输出调节后的所述电池电压至所述电源管理模块。
  6. 根据权利要求5所述的系统，其特征在于，所述电压转换模块为DC-DC转换器。
  7. 根据权利要求6所述的系统，其特征在于，所述DC-DC转换器包括电压转换芯片，所述电压转换芯片设有VSEL引脚，所述VSEL引脚用于设置所述升压模式和所述直通模式的电压阈值。
  8. 根据权利要求7所述的系统，其特征在于，所述电压转换芯片还设有GPIO引脚、第一使能引脚及第二使能引脚，
    所述GPIO引脚用于根据所述第一使能引脚、所述第二使能引脚输入的低电平信号和/或高电平信号控制所述DC-DC转换器的开启和关闭，以及控制所述DC-DC转换器的运行模式。
  9. 一种提高电池输出能效的控制方法，应用于汽车诊断平板，所述汽车诊断平板包括受电系统，其特征在于，所述方法由权利要求1至8任一项所述的控制系统执行，所述方法包括：
    当所述控制系统未连接外接电源时，获取所述电池的电池电压；
    根据所述电池电压确定运行模式，并获取所述运行模式对应的输出电压；
    根据所述输出电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。
  10. 根据权利要求9所述的方法，其特征在于，所述运行模式包括升压模式和直通模式，
    所述根据所述电池电压确定运行模式，并获取所述运行模式对应的输出电压，包括：
    判断所述电池电压是否大于或者等于预设电压；
    若是，确定所述运行模式为直通模式，所述直通模式对应的输出电压为所述电池电压；
    若否，确定所述运行模式为升压模式，调节所述电池电压的大小至所述预设电压，并确定所述升压模式对应的输出电压为调节后的所述电池电压。
  11. 根据权利要求9所述的方法，其特征在于，所述方法还包括：
    当所述控制系统连接外接电源时，获取所述充电芯片的直流电压，并根据所述直流电压转换输出至少一种系统电压，所述至少一种系统电压用于给所述受电系统供电。
  12. 一种电子设备，其特征在于，所述电子设备包括权利要求1至8任一项所述的提高电池输出能效的控制系统。
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