Outdoor power supply for cars

Abstract

The present invention relates to the technical field of battery management and discloses an outdoor power supply installed in a car. The present invention integrates a battery pack, a DC-DC boost converter and a battery management system in a battery frame, charges the battery pack through a charging interface on the battery frame, converts the voltage of the battery pack by the DC-DC boost converter, and supplies power to an external device through a power supply interface. The battery management system is used to manage the charging of the battery pack to control the charging balance between the battery pack and the original vehicle battery and ensure the charging safety of the battery pack, thereby solving the problem of easy failure in continuous charging between the outdoor power supply and the original vehicle battery in the prior art.

Description

Technical Field

[0001] The invention relates to the technical field of battery management, and in particular to an outdoor power supply installed in a car. Background Art

[0002] Cars are very common tools in modern life and can be used in various scenarios, such as traveling by car. In these operating scenarios, additional power supply is needed to meet more needs in the scenario, such as using power for picnics and lighting during self-driving travel.

[0003] In the prior art, an additional outdoor power supply can be installed on the car to store and provide electrical energy. However, the power supply voltage of the currently additional outdoor power supply is consistent with the charging voltage, and the voltage is low when supplying power. In addition, there is a lack of a good charging protocol between the outdoor power supply and the original vehicle battery. The outdoor power supply will continue to receive the charge from the original vehicle battery, which is prone to faults such as charging backflow and battery heating. Summary of the invention

[0004] The purpose of the present invention is to provide an outdoor power supply for a car, aiming to solve the problem in the prior art that continuous charging between the outdoor power supply and the original car battery is prone to failure.

[0005] The present invention is implemented in this way. The present invention provides an outdoor power supply for a car, comprising: Battery frame, battery pack, DC-DC boost converter and battery management system; The battery pack, the DC-DC boost converter and the battery management system are arranged in the battery frame; The battery frame is provided with a charging interface and a power supply interface, the charging interface is electrically connected to the battery pack, and the charging interface is used to dock with the ACC socket of the car to achieve electrical connection between the battery pack and the original battery of the car, so as to accept the charging of the battery pack by the original battery of the car; The DC-DC boost converter is electrically connected to the battery pack and the power supply interface respectively, the DC-DC boost converter is used to perform voltage boost processing on the battery pack to increase the output voltage of the battery pack, and the power supply interface is used for connecting with an external device to realize power supply to the external device; The battery management system is electrically connected to the battery pack, and is used to manage the charging process of the battery pack receiving the original vehicle battery.

[0006] The present invention provides an outdoor power supply for a car, which has the following beneficial effects: The present invention integrates a battery pack, a DC-DC boost converter and a battery management system in a battery frame, charges the battery pack through a charging interface on the battery frame, converts the voltage of the battery pack by the DC-DC boost converter, and supplies power to external equipment through a power supply interface. The battery management system is used to manage the charging of the battery pack to control the charging balance between the battery pack and the original vehicle battery and ensure the charging safety of the battery pack, thereby solving the problem of easy failure in continuous charging between the outdoor power supply and the original vehicle battery in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a structural schematic diagram of an outdoor power supply installed in a car provided by an embodiment of the present invention; Figure 2 The present invention is a schematic structural diagram of an external mobile structure for adding an outdoor power supply to a vehicle provided by an embodiment of the present invention.

[0008] Figure markings: 1-battery frame, 2-battery pack, 3-DC-DC boost converter, 4-battery management system, 11-charging interface, 12-power supply interface, 41-power monitoring unit, 42-battery balancing unit, 43-battery protection unit, 5-main platform, 6-electric guide rail, 7-electric wheel set, 8-electric lifting mechanism, 9-charging docking structure. DETAILED DESCRIPTION

[0009] 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.

[0010] The implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0011] Reference Figure 1 , Figure 2 As shown, a preferred embodiment of the present invention is provided.

[0012] In a first aspect, the present invention provides an outdoor power supply for a vehicle, comprising: Battery frame 1, battery pack 2, DC-DC boost converter 3 and battery management system 4.

[0013] Specifically, the battery pack 2, the DC-DC boost converter 3 and the battery management system 4 are arranged in the battery frame 1. The battery frame 1 is the physical support structure of the entire battery system. All components (battery pack 2, DC-DC boost converter 3, battery management system 4) are installed in the frame. The frame provides a stable environment, so that the various components can be integrated in a compact space, while ensuring that the connections and wiring between them are simple and safe. The design of the battery frame 1 can effectively improve the overall stability and compactness of the system. The battery frame 1 integrates all key components into one unit for easy installation, commissioning, maintenance and transportation.

[0014] More specifically, the battery pack 2 is the power source of the entire system, which is electrically connected to the battery management system 4 (BMS) for storing electrical energy. The battery pack 2 is electrically connected to the original vehicle battery of the vehicle through the charging interface 11 to achieve charging. The battery pack 2 is electrically connected to the original vehicle battery through the charging interface 11, so that the system can charge the battery pack 2 through the original vehicle battery of the vehicle during parking or driving. This electrical connection method can ensure that the battery pack 2 is replenished in time when the original vehicle battery is charged, thereby improving the use efficiency of the battery pack 2.

[0015] More specifically, the DC-DC boost converter 3 is responsible for boosting the output voltage of the battery pack 2 to meet the voltage requirements of the external device through the electrical connection with the battery pack 2 and the power supply interface 12. The DC-DC boost converter 3 boosts the voltage of the battery pack 2 so that the voltage of the battery pack 2 adapts to the needs of the external device. This is crucial for applications such as vehicle-mounted systems and energy storage devices. Especially when a stable high-voltage power supply is required, the boost converter can also improve the utilization efficiency of the battery, so that the battery pack 2 can better provide stable power output for the external load.

[0016] More specifically, the battery management system 4 (BMS) is electrically connected to the battery pack 2 and is responsible for monitoring and managing the charging process of the battery pack 2. The BMS can adjust the charging current and charging voltage according to the battery voltage, temperature, charge and discharge status and other parameters, and provide necessary safety protection. The BMS monitors and manages the charging process of the battery pack 2 to ensure the safety and stability of the charging process. Through real-time data interaction with the battery pack 2, the BMS can adjust the charging strategy (such as constant current charging, constant voltage charging, etc.) to prevent overcharging, over-discharging, etc., thereby improving the battery life and ensuring the safety of the system. The battery management system 4 is the core control unit of the battery pack 2, responsible for ensuring the safety and performance of the battery. Through reasonable battery management, the BMS can optimize the charging and discharging process of the battery pack 2, extend the battery life, and ensure the safe operation of the system.

[0017] More specifically, the battery frame 1 is provided with a charging interface 11 and a power supply interface 12. The charging interface 11 is used to connect to the ACC socket of the original vehicle battery to charge the battery pack 2. The connection method between the charging interface 11 and the original vehicle battery enables the battery pack 2 to be charged during the operation of the vehicle. This design enables the battery pack 2 to be charged and supplemented through the original vehicle battery after long-term use to avoid battery exhaustion. By connecting to the original vehicle battery, it is ensured that the system can be charged during the driving of the vehicle without the need for additional charging equipment, thereby reducing the user's maintenance work.

[0018] More specifically, the power supply interface 12 is used to provide the output voltage of the DC-DC boost converter 3 to the external device for power supply. The power supply interface 12 provides a stable voltage output for the external device to support the normal operation of the device. This interface can be connected to different types of load devices, such as power tools, mobile device charging or other electric devices. The external device requires a stable power supply, and the power supply interface 12 provides a standardized interface so that the external device can be easily connected and obtain the required power.

[0019] The present invention provides an outdoor power supply for a car, which has the following beneficial effects: The present invention integrates a battery pack 2, a DC-DC boost converter 3 and a battery management system 4 in a battery frame 1, charges the battery pack 2 through a charging interface 11 on the battery frame 1, converts the voltage of the battery pack 2 by the DC-DC boost converter 3, and supplies power to external devices through a power supply interface 12. The battery management system 4 is used to manage the charging of the battery pack 2 to control the charging balance between the battery pack 2 and the original vehicle battery and ensure the charging safety of the battery pack 2, thereby solving the problem of easy failure in continuous charging between the outdoor power supply and the original vehicle battery in the prior art.

[0020] Preferably, the battery management system 4 includes a power monitoring unit 41 , a battery balancing unit 42 and a battery protection unit 43 .

[0021] Specifically, the battery management system 4 of the present technical solution implements management and protection of the battery pack 2 through the combination of three sub-modules: a power monitoring unit 41 , a battery balancing unit 42 , and a battery protection unit 43 .

[0022] More specifically, the power monitoring unit 41 (Battery Monitoring Unit) is responsible for collecting power information of the original vehicle battery and the battery pack 2, and obtaining the power status of the two respectively. This information will provide data support for subsequent balancing analysis and charging management. The power monitoring unit 41 can monitor the power information of the battery pack 2 and the original vehicle battery in real time to ensure that the system can accurately obtain the working status of the battery. This power information helps to evaluate the current charging needs of the battery pack 2 and the charging status of the original vehicle battery, and helps to formulate appropriate charging strategies. In order to effectively manage the battery charging and discharging process, the battery power must be monitored in real time. By collecting power information, it is ensured that the battery management system 4 can adjust the charging plan in real time and avoid overcharging or over-discharging of the battery.

[0023] More specifically, the battery balancing unit 42 receives the original vehicle power information and the battery pack 2 power information from the power monitoring unit 41, and performs a balance analysis on these data. Based on the analysis results, it will derive a charging management plan to adjust the charging process of the battery pack 2 to ensure the power balance between the original vehicle battery and the battery pack 2. The battery balancing unit 42 ensures the balance between the battery pack 2 and the original vehicle battery by analyzing the battery balance. If the voltage of the battery pack 2 and the original vehicle battery is unbalanced, the balancing unit will adjust the charging process to avoid damage or capacity attenuation caused by different charging states of the single cells. It can prevent local battery overcharging or over-discharging and extend the battery life.

[0024] More specifically, the battery protection unit 43 (Battery Protection Unit) is responsible for collecting the working data of the battery pack 2 in real time, analyzing the data, and detecting whether there are any abnormal conditions. If an abnormality is found (such as overcharging, over-discharging, overheating, etc.), the battery protection unit 43 will immediately take measures to protect the battery pack 2, such as cutting off the electrical connection between the battery and the load or starting overheating protection, etc. The battery protection unit 43 can respond quickly when an abnormality occurs and take protective measures to avoid battery damage. It is an important part of system safety protection and can effectively prevent risks such as battery damage or fire caused by abnormal operation.

[0025] It can be understood that by integrating the three functional modules of power monitoring, battery balancing and battery protection, the battery management system 4 can realize all-round and three-dimensional battery management. This integration method enables the system to have the ability of precise monitoring, intelligent balancing and safety protection, ensuring the stability and safety of the battery pack 2 during charging, discharging and use.

[0026] Preferably, a balance analysis logic module is preset in the battery balance unit 42, and the balance analysis logic module is used to perform a balance analysis to obtain a charging management solution.

[0027] It should be noted that the core function of the balancing analysis logic module is to derive a charging management plan by judging and analyzing the power information of the original vehicle and the power information of battery pack 2. The entire system is based on the synergy of multiple modules such as threshold interval, charging efficiency analysis, and weight analysis, aiming to achieve more accurate and efficient battery charging management.

[0028] Specifically, the equilibrium analysis logic module includes: A threshold interval judgment unit, used to judge the original vehicle power information according to a preset first threshold and a second threshold; The first interval execution unit is used for not charging the battery pack 2 when the original vehicle power information does not meet the first threshold. The function of the first interval execution unit is to determine whether the original vehicle power reaches a preset threshold to determine the charging strategy. The first threshold and the second threshold are set to distinguish different charging scenarios to ensure that the charging plan can be flexibly adjusted according to the battery status. It can be seen that the function of the first interval execution unit is to avoid starting the charging of the battery pack 2 when the original vehicle power is too low. At this time, if the original vehicle power does not meet the charging conditions, because the charging of the battery pack 2 is not urgent or the original vehicle power itself is in a low state, starting the charging will cause unnecessary waste of resources or unnecessary pressure on the battery, and also avoid the occurrence of reverse charging.

[0029] The second interval execution unit is used to analyze the charging efficiency and charging urgency of battery pack 2 according to the original vehicle power information and the power information of battery pack 2 when the original vehicle power information meets the first threshold but does not meet the second threshold, and obtain the predicted charging efficiency and charging urgency of battery pack 2. The key of this interval is to evaluate the charging efficiency and urgency. By comparing the original vehicle power and the power of battery pack 2, the system can predict the charging efficiency of battery pack 2 and the urgency of the charging demand, thereby allocating a suitable charging weight to battery pack 2 to ensure the rationality and efficiency of the charging process.

[0030] The weight analysis algorithm unit is used to allocate charging execution weights to the battery group 2 according to the predicted charging efficiency and charging urgency of the battery group 2, obtain the charging execution weights of the battery group 2, and judge the charging execution weights of the battery group 2 according to the preset execution standards, and decide whether to charge the battery group 2 according to the judgment result. The weight analysis unit determines the allocation of charging resources according to the charging prediction data of the battery group 2. If the charging efficiency of the battery group 2 is low, or the charging demand is more urgent, the system will adjust the charging execution weights according to the preset execution standards to determine whether to continue charging the battery group 2. The rationality of the weight allocation ensures the optimal utilization of charging resources and avoids unnecessary overcharging or waste of resources.

[0031] The third interval execution unit is used to charge the battery pack 2 when the original vehicle power information meets the second threshold. When the original vehicle power information is high enough and the charging demand is more urgent, the system directly charges the battery pack 2 to ensure that the battery pack 2 can be replenished in time to meet subsequent usage needs. At this time, charging is automatically executed by the system to ensure to the maximum extent that the power of the battery pack 2 will not be lower than the expected requirements.

[0032] It is understandable that, through the threshold interval judgment and charging efficiency analysis, the battery management system 4 can make intelligent charging decisions according to the actual conditions of the original vehicle power and the power of the battery pack 2. When the original vehicle power is low, the system will postpone the charging operation to avoid unnecessary charging; and when the battery pack 2 needs to be charged urgently, the system can speed up the charging process.

[0033] Preferably, the operating data collected by the battery protection unit 43 includes temperature data, voltage data and current data.

[0034] Preferably, a protection analysis logic module is preset in the battery protection unit 43, and the protection analysis logic module is used to collect and analyze the working data of the battery pack 2, and perform battery protection processing on the battery pack 2 when abnormal data occurs.

[0035] It should be noted that the protection analysis logic module can timely detect abnormal battery status and take protective measures by collecting, analyzing and predicting the working data of the battery pack 2.

[0036] Specifically, the protection analysis logic module includes: The data acquisition unit is used to continuously collect temperature data, voltage data and current data of the battery pack 2 to obtain the temperature data, voltage data and current data of the battery pack 2 at various times as working data. The data acquisition unit is responsible for real-time collection of the temperature, voltage and current data of the battery pack 2 to form the working data of the battery pack 2 at different time points. These data provide a basis for subsequent analysis units. The data acquired by the data acquisition unit directly enters the change analysis unit, the correlation analysis unit and other modules for subsequent analysis and evaluation, ensuring the real-time and accuracy of the data, providing reliable basic data for the entire protection system, and when any changes occur in the working state of the battery pack 2, it can be immediately recorded through data acquisition to form a timely response mechanism.

[0037] The change analysis unit is used to analyze the time series change relationship of the temperature data, voltage data and current data of the battery pack 2 at each moment, and obtain the temperature change characteristics, voltage change characteristics and current change characteristics of the battery pack 2 as the working change characteristics.

[0038] The correlation analysis unit is used to analyze and process the temperature data, voltage data and current data of the battery pack 2 at each moment for data correlation at the same moment, so as to obtain the correlation characteristics of the battery pack 2 at each moment.

[0039] It should be noted that the variation analysis provides the system with the variation characteristics of the working state of the battery pack 2, such as the fluctuation trends of temperature, voltage and current, which helps to find out whether there is a risk of excessive fluctuation of the battery. The correlation analysis can identify potential correlation problems by analyzing the relationship between multiple data points, such as the abnormal relationship between temperature and current, which is crucial for diagnosing the health status of the battery pack 2. The two work together to form a complete description of the status of the battery pack 2, which helps to accurately determine whether the battery is in normal working condition or whether there are hidden dangers.

[0040] The trend analysis unit is used to analyze the changing trend of the associated characteristics of the battery pack 2 at each moment to obtain the associated trend characteristics of the battery pack 2; by performing trend analysis on the long-term data of the battery pack 2, the evolution trend of the battery state can be predicted, such as the battery temperature may continue to rise or the voltage may drop.

[0041] The weighted evaluation unit is used to perform comprehensive weighted evaluation processing on the current working data, working change characteristics, battery pack 2 related characteristics and related trend characteristics according to preset standards. If the evaluation result meets the preset standards, the battery protection operation is performed. If the evaluation result does not meet the preset standards, the subsequent analysis steps are performed; these trend characteristics are comprehensively evaluated with the current working data, change characteristics, etc. to determine whether the battery needs protection. This weighted evaluation mechanism can ensure the accuracy of the protection operation and avoid unnecessary over-protection or delayed protection.

[0042] The data prediction unit is used to perform future prediction processing on the working data according to the working change characteristics at the current moment to obtain prediction data, and to perform future prediction processing on the associated characteristics of the battery pack 2 according to the associated trend characteristics at the current moment to obtain prediction characteristics.

[0043] The prediction evaluation unit is used to evaluate the prediction data and prediction features according to preset standards. If the evaluation result meets the preset standards, the battery protection operation is performed; if the evaluation result does not meet the preset standards, the battery protection operation is not performed.

[0044] It should be noted that data prediction can predict the possible performance of battery pack 2 in the future by analyzing current data, such as the changing trend of temperature, current or voltage. This foresight can provide more adequate preparation for the protection of battery pack 2. Predictive evaluation is to decide in advance whether it is necessary to initiate protection measures through the evaluation of possible future situations. This makes the protection strategy not only respond to current anomalies, but also predict and respond to potential risks in the future. This mechanism can avoid delayed protection when facing the rapidly changing state of battery pack 2, and reduce the occurrence of damage to battery pack 2 or safety hazards.

[0045] It is understandable that each module forms a complete closed-loop system, from data collection, change analysis, correlation analysis to trend prediction, weighted evaluation and final protection execution, ensuring the whole process of battery pack 2 from real-time monitoring to preventive protection. Since each module participates in data processing and status analysis in real time, the system can quickly respond to any changes in the status of battery pack 2 to ensure that protection measures are in place in a timely manner. Through the combination of weighted evaluation and data prediction, the system can make intelligent decisions based on multi-dimensional data, rather than relying solely on a single indicator. This makes the protection mechanism more scientific, flexible and accurate. Through the prediction module, the system can identify potential abnormalities or failure risks in advance and initiate protection measures before problems occur, thereby effectively reducing the risk of damage.

[0046] Preferably, the input end of the DC-DC boost converter 3 is 12V, and the output end is 48V.

[0047] Specifically, the DC-DC boost converter 3 is a highly efficient voltage conversion device. In the present technical solution, a boost converter with an input end of 12V and an output end of 48V is adopted.

[0048] Preferably, the battery frame 1 has a fixing structure, and the fixing structure is used to fix the battery frame 1 on the inner side of the vehicle body to achieve docking between the charging interface 11 and the ACC socket.

[0049] Specifically, the main function of the fixing structure is to ensure that the battery frame 1 can be firmly installed on the inner side of the car body to prevent the battery frame 1 from being displaced or falling off due to vibration or movement, and to ensure that the charging interface 11 can be properly docked with the ACC socket (usually the in-vehicle power interface).

[0050] More specifically, the fixing method can be selected from bolt fixing, snap-on fixing or adhesive fixing. Bolt fixing uses bolts to fix the battery frame 1 at a predetermined position inside the vehicle body. This method can provide a firm installation effect and is suitable for situations where high-strength fixing is required. The snap-on fixing fixes the battery frame 1 inside the vehicle body through a snap-on design, which can achieve quick installation and disassembly. It is suitable for scenarios that require convenient maintenance and replacement of the battery frame 1. Adhesive fixing uses a strong adhesive to bond the battery frame 1 to the vehicle body, which is usually suitable for designs with high seismic requirements and do not require frequent disassembly.

[0051] More specifically, the fixing structure must not only ensure the stability of the battery frame 1 itself, but also design reasonable positioning grooves or sockets to ensure that the charging interface 11 and the ACC socket are physically docked accurately. The fixing structure needs to be designed so that when the charging interface 11 of the battery frame 1 is docked with the ACC socket inside the vehicle body, the interface angle and distance are appropriate to ensure a reliable electrical connection.

[0052] It can be understood that the reasonable design and layout of the fixed structure not only ensures the safety and stability of the battery frame 1, but also has an important impact on the charging efficiency of the battery system, the energy efficiency and safety of the car. The fixed structure ensures that the battery frame 1 is firmly installed on the inner side of the car, effectively preventing shaking or damage during driving. In particular, the battery needs to withstand greater vibrations during vehicle operation, and a stable fixed structure helps to extend the service life of the battery.

[0053] Preferably, the main body platform 5, the electric guide rail 6, the electric wheel set 7 and the electric lifting mechanism 8.

[0054] Specifically, the main platform 5 is used to place an additional outdoor power supply. A charging docking structure 9 is provided on the main platform 5. When the additional outdoor power supply is placed on the main platform 5, the additional outdoor power supply is electrically connected to the main platform 5 through the charging docking structure 9 to supply power to the main platform 5.

[0055] More specifically, the electric guide rail 6 is arranged on the top surface of the main platform 5, and the electric guide rail 6 is used to receive power from the additional outdoor power supply to drive the additional outdoor power supply placed on the main platform 5 to move forward, thereby pushing the additional outdoor power supply to the designated position, namely, the car compartment.

[0056] More specifically, the electric wheel set 7 is disposed on the main platform 5 , and the electric wheel set 7 is used to receive power from an additional outdoor power source to drive the main platform 5 to move.

[0057] More specifically, the electric lifting mechanism 8 is disposed at the bottom end of the main platform 5 , and the electric lifting mechanism 8 is used to receive power from an additional outdoor power source to drive the main platform 5 to move up and down.

[0058] It is understandable that the installed outdoor power supply product can be placed in a car at ordinary times (the small size design does not take up much space). When the car is driving, the generator is fully charged. The circuit connection with the car is all portable connectors, which are firmly connected and easy to replace. When needed outdoors, it can be easily removed. The external mobile structure facilitates the product to help lift items and put them into the trunk of SUVs and other cars, and it can also retract itself into the car. When unloading goods, the product can implement lifting assistance and move forward with power. It can easily reach "small hills, grasslands", home elevators, etc. within 200kg. The forward power of the mobile structure comes from the above-installed outdoor power supply, which is very convenient for outdoor activities or home emergencies.

[0059] Preferably, the battery frame 1 has an external hanging structure, and the external hanging structure is used to fix a portable inverter, so that the portable inverter fixed on the external hanging structure is connected to the power supply interface 12, and the portable inverter is used to adjust the output voltage.

[0060] Specifically, an external structure is arranged on the battery frame 1 to fix the portable inverter. This structure enables the portable inverter to be stably installed without taking up too much space, and ensures that the inverter is docked with the power supply interface 12 of the battery. The external structure may adopt screw fixing, snap-on fixing or slot design, so that the inverter can be easily installed and disassembled. Choosing a suitable fixing method can simplify maintenance operations. The external structure design needs to provide sufficient space for the wires between the battery frame 1 and the inverter to avoid excessive bending or mechanical pressure on the wires.

[0061] More specifically, portable inverters are used to regulate the direct current voltage (DC) output by the battery, converting it into a usable alternating current voltage (AC), which is particularly important for devices that need to be powered by batteries, especially when external power sources are unavailable.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An outdoor power supply installed in a car, characterized in that: include: Battery frame, battery pack, DC-DC boost converter and battery management system; The battery pack, the DC-DC boost converter and the battery management system are arranged in the battery frame; The battery frame is provided with a charging interface and a power supply interface, the charging interface is electrically connected to the battery pack, and the charging interface is used to dock with the ACC socket of the car to achieve electrical connection between the battery pack and the original battery of the car, so as to accept the charging of the battery pack by the original battery of the car; The DC-DC boost converter is electrically connected to the battery pack and the power supply interface respectively, the DC-DC boost converter is used to perform voltage boost processing on the battery pack to increase the output voltage of the battery pack, and the power supply interface is used for connecting with an external device to realize power supply to the external device; The battery management system is electrically connected to the battery pack, and is used to manage the charging process of the battery pack receiving the original vehicle battery.

2. The outdoor power supply for a vehicle as claimed in claim 1, characterized in that: The battery management system includes a power monitoring unit, a battery balancing unit and a battery protection unit; The power monitoring unit is used to collect power information of the original vehicle battery and the battery pack respectively, so as to obtain the original vehicle power information and the battery pack power information; The battery balancing unit is used to receive the original vehicle power information and the battery pack power information, and perform a balance analysis on the original vehicle power information and the battery pack power information, and obtain a charging management scheme for managing the charging process of the battery pack according to the result of the balance analysis, so as to manage the charging process of the battery pack receiving the original vehicle battery; The battery protection unit is used to collect and analyze the working data of the battery pack, and perform battery protection processing on the battery pack when abnormal data occurs.

3. The outdoor power supply for a vehicle as claimed in claim 2, characterized in that: The battery balancing unit is pre-configured with a balancing analysis logic module, which is used to perform balancing analysis to obtain a charging management solution; The balance analysis logic module includes: A threshold interval judgment unit, used to judge the original vehicle power information according to a preset first threshold and a second threshold; A first interval execution unit, configured to not charge the battery pack when the original vehicle power information does not meet the first threshold; A second interval execution unit is configured to analyze the charging efficiency and charging urgency of the battery pack according to the original vehicle power information and the battery pack power information to obtain predicted charging efficiency and charging urgency of the battery pack when the original vehicle power information meets the first threshold value but does not meet the second threshold value; a weight analysis algorithm unit, configured to allocate a charging execution weight to the battery group according to the predicted charging efficiency and charging urgency of the battery group, obtain the charging execution weight of the battery group, judge the charging execution weight of the battery group according to a preset execution standard, and decide whether to charge the battery group according to the judgment result; The third interval execution unit is used to charge the battery pack when the original vehicle power information meets the second threshold.

4. The outdoor power supply for a vehicle as claimed in claim 2, characterized in that: The operating data collected by the battery protection unit includes temperature data, voltage data and current data.

5. The outdoor power supply for a vehicle as claimed in claim 4, characterized in that: The battery protection unit is preset with a protection analysis logic module, which is used to collect and analyze the working data of the battery pack and perform battery protection processing on the battery pack when abnormal data occurs; The protection analysis logic module includes: A data acquisition unit, used for continuously acquiring temperature data, voltage data and current data of the battery pack, so as to obtain temperature data, voltage data and current data of the battery pack at each moment as working data; a change analysis unit, used to analyze the time series change relationship of the temperature data, voltage data and current data of the battery pack at each moment, and obtain the temperature change characteristics, voltage change characteristics and current change characteristics of the battery pack as the working change characteristics; A correlation analysis unit, used for analyzing the data correlation of the temperature data, voltage data and current data of the battery pack at each moment, so as to obtain the battery pack correlation characteristics of the battery pack at each moment; A trend analysis unit, used for analyzing the changing trend of the correlation characteristics of the battery pack at each moment to obtain the correlation trend characteristics of the battery pack; A weighted evaluation unit, used to perform a comprehensive weighted evaluation process on the current working data, working change characteristics, battery pack related characteristics and related trend characteristics according to preset standards, and if the evaluation result meets the preset standards, perform a battery protection operation; if the evaluation result does not meet the preset standards, perform a subsequent analysis step; A data prediction unit, configured to perform future prediction processing on the working data according to the working change characteristics at the current moment to obtain prediction data, and perform future prediction processing on the battery pack associated characteristics according to the associated trend characteristics at the current moment to obtain prediction characteristics; The prediction evaluation unit is used to evaluate the prediction data and the prediction characteristics according to a preset standard, and if the evaluation result meets the preset standard, the battery protection operation is performed; if the evaluation result does not meet the preset standard, the battery protection operation is not performed.

6. The outdoor power supply for a vehicle as claimed in claim 1, characterized in that: The input end of the DC-DC boost converter is 12V, and the output end is 48V.

7. The outdoor power supply for a vehicle as claimed in claim 1, characterized in that: The battery frame is provided with a fixing structure, and the fixing structure is used to fix the battery frame on the inner side of the vehicle body to achieve docking of the charging interface with the ACC socket.

8. The outdoor power supply for a vehicle as claimed in claim 1, characterized in that: It also includes an external mobile structure, which includes a main platform, an electric guide rail, an electric wheel set and an electric lifting mechanism; The main platform is used for placing the additional outdoor power supply. A charging docking structure is provided on the main platform. When the additional outdoor power supply is placed on the main platform, the additional outdoor power supply is electrically connected to the main platform through the charging docking structure to supply power to the main platform. The electric guide rail is arranged on the top surface of the main body platform, and is used to receive power from the additional outdoor power supply to drive the additional outdoor power supply placed on the main body platform to move forward, thereby pushing the additional outdoor power supply to a designated position; The electric wheel set is arranged on the main platform, and the electric wheel set is used to receive power from the additional outdoor power supply to drive the main platform to move; The electric lifting mechanism is arranged at the bottom end of the main body platform, and is used to receive power from the additional outdoor power supply to drive the main body platform to move up and down.

9. The outdoor power supply for a vehicle as claimed in claim 1, characterized in that: The battery frame has an external hanging structure, and the external hanging structure is used to fix a portable inverter, so that the portable inverter fixedly set on the external hanging structure is connected to the power supply interface, and the portable inverter is used to adjust the output voltage.

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