阅读说明：本技术 一种换电集装箱控制系统、方法及其装置 (Battery replacement container control system, method and device ) 是由 吴静平 弘利军 路哲藐 于 2019-10-10 设计创作，主要内容包括：本发明公开了一种换电集装箱控制系统、方法及其装置,其中方法包括：负载；供电设备,用于存储或提供电能；信息采集系统,用于采集负载的用电需求和供电设备的状态数据；控制系统,用于根据负载的用电需求控制供电设备根据不同的充电配置提供电能给负载、根据供电设备的状态数据控制市电对供电设备充电；显示系统,用于根据供电设备的状态数据显示供电设备的状态。通过根据用电需求和状态数据控制供电设备进行充电或提供电能给负载,克服现有技术集装箱电池只充当应急电源使用,不能灵活应用的技术问题,实现了集装箱可以存储电能做电动车的电池包换电使用也可以提供给消防用电设备等负载做应急供电,使供电设备能够灵活应用。(The invention discloses a battery replacement container control system, a battery replacement container control method and a battery replacement container control device, wherein the battery replacement container control method comprises the following steps: a load; a power supply device for storing or supplying electrical energy; the information acquisition system is used for acquiring the power consumption requirement of the load and the state data of the power supply equipment; the control system is used for controlling the power supply equipment to provide electric energy for the load according to different charging configurations according to the power consumption requirement of the load and controlling commercial power to charge the power supply equipment according to the state data of the power supply equipment; and the display system is used for displaying the state of the power supply equipment according to the state data of the power supply equipment. The container battery can store electric energy and be used as a battery pack of the electric vehicle, and the battery pack can also be used for providing emergency power supply for loads such as fire-fighting electric equipment, so that the power supply equipment can be flexibly applied.)

1. A swap container control system, comprising:

the load is equipment such as fire-fighting electric equipment and the like which needs emergency use;

a power supply device for storing or supplying electrical energy;

the information acquisition system is used for acquiring the power consumption requirement of the load and the state data of the power supply equipment;

the control system is used for controlling the power supply equipment to provide electric energy to the load according to different charging configurations according to the power consumption requirement of the load and controlling commercial power to charge the power supply equipment according to the state data of the power supply equipment;

and the display system is used for displaying the state of the power supply equipment according to the state data of the power supply equipment.

2. The swap container control system of claim 1, wherein the control system comprises: an energy storage bidirectional inverter, a charger, an electric energy control module and an environment control module,

the energy storage bidirectional inverter is connected between the charger and a commercial power and between the power supply equipment and the load, and the electric energy control module is used for controlling the rectification or inversion state of the energy storage bidirectional inverter so as to control commercial power alternating current to be converted into direct current to be provided for the charger or control a direct current point of the power supply equipment to be converted into alternating current to be provided for the load.

3. The swap container control system of claim 2, further comprising a maintenance system; the maintenance system is used for carrying out safety protection on the battery replacement cabinet where the power supply equipment is located;

the information acquisition system also acquires power supply equipment environmental data of a power exchange cabinet where the power supply equipment is located, and the environmental control module controls the maintenance system to execute corresponding maintenance measures according to the power supply equipment environmental data.

4. The swap container control system of claim 3, wherein the power supply equipment environment data comprises: temperature data, smoke data, and monitoring data;

the maintenance system comprises a heat dissipation module and a security module;

the heat dissipation module is used for dissipating heat of the space where the power supply equipment is located;

the security module is used for executing corresponding security measures on the battery replacement cabinet where the power supply equipment is located.

5. The battery replacement container control system according to claim 4, wherein the power supply device is a lithium battery, and the information acquisition system includes:

the data acquisition module is used for acquiring the state data of the lithium battery and the power consumption requirement of the load and formulating a corresponding lithium battery configuration mode according to the power consumption requirement of the load;

the temperature acquisition module is used for acquiring temperature data in a battery replacement cabinet where the lithium battery is located;

the smoke acquisition module is used for acquiring smoke data in the battery replacement cabinet where the lithium battery is located;

and the monitoring module is used for acquiring the conditions inside the container to form monitoring data.

6. The swapping container control system of claim 4, wherein the environmental control module comprises:

the heat dissipation control submodule is used for presetting a temperature threshold value, comparing the temperature threshold value with the temperature data, and controlling the heat dissipation module to dissipate heat of the space where the lithium battery is located according to the comparison result of the temperature data;

and the security control submodule is used for presetting a smoke threshold value, comparing the smoke threshold value with smoke data, and controlling the security module to execute security measures according to the smoke data comparison result and the monitoring data.

7. A battery replacement container control method is characterized by comprising the following steps:

acquiring state data of power supply equipment, power consumption requirements of loads and environment data of the power supply equipment;

controlling the power supply equipment to charge according to the power consumption requirement, and controlling the power supply equipment to provide electric energy to the load in different configuration modes according to the power consumption requirement;

performing corresponding protective measures on the battery replacement cabinet where the power supply equipment is located according to the power supply equipment environment data;

and displaying in real time according to the charging state of the power supply equipment or the power supply state of the power supply equipment according to different configuration modes.

8. The battery replacement container control method according to claim 7, wherein the power supply device is a lithium battery, the lithium battery is placed in a battery compartment, and the lithium battery is charged by a charger; the specific steps of collecting the state data of the power supply equipment, the power demand of the load and the environmental data of the power supply equipment are as follows:

acquiring state data of the lithium battery and the power consumption requirement of the load;

and collecting temperature data, smoke data and monitoring data inside the container of the space where the lithium battery is located.

9. The battery swapping container control method according to claim 8, wherein the controlling the power supply device to charge according to the power consumption requirement, and the controlling the power supply device to provide electric energy to the load in different configuration modes according to the power consumption requirement specifically comprises:

controlling an energy storage bidirectional inverter to be in a rectification state according to the state data of the lithium battery, converting commercial power alternating current into direct current, and charging the lithium battery by the direct current through a charger;

and controlling the energy storage bidirectional inverter to be in an inversion state according to the power consumption requirement of the load, and controlling the lithium battery to convert direct current provided by a configuration mode into alternating current to be provided for the load.

10. A battery replacing container is characterized in that the battery replacing container control method is used for achieving the battery replacing container control method according to claim 7, and the battery replacing container control method comprises a box body, sliding wheels are mounted at four ends of the bottom of the box body, a battery compartment is arranged on the box body, a battery replacing cabinet is arranged in the battery compartment, an electric compartment adjacent to the battery compartment is further arranged on the box body, an electric device is arranged in the electric compartment, an exhaust fan used for dissipating heat of the electric device is arranged in the electric compartment, an air guide layer is arranged on the battery replacing cabinet, an air conditioner is arranged in the battery compartment, and an air duct of the air conditioner is communicated with the air guide layer.

Technical Field

The invention relates to the technical field of power supply systems, in particular to a battery replacement container control system, a battery replacement container control method and a battery replacement container control device.

Background

Along with the increasing requirements of people on clean energy, the lithium battery continuously occupies the market due to the characteristics of high energy density, safety, no pollution, long cycle life and the like, and is widely applied to various fields of energy storage, electric vehicles and the like. Although lithium batteries have numerous advantages over lead-acid batteries, their relatively high cost has greatly hindered their use in the energy storage and electric vehicle applications.

In the prior art, the shared battery replacement cabinet appears like a bamboo shoot in spring after rain, so that the use cost of the lithium battery can be reduced, and the resource allocation is optimized. In the aspect of the emergency power supply in the energy storage field, traditional container formula emergency power supply configuration all is that waiting for the emergent use constantly behind the state data, so container formula emergency power supply all is idle at ordinary times, causes the wasting of resources, and emergency power supply can't be according to the nimble configuration use of scene of difference, makes emergency power supply's rate of utilization low.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, an object of the present invention is to provide a battery replacement container control system, which can perform charging storage to facilitate emergency power supply and can provide electric energy to electric equipment, thereby improving usability of the electric equipment.

Therefore, the second purpose of the invention is to provide a battery replacement container control method.

The third purpose of the invention is to provide a battery replacement container.

The technical scheme adopted by the invention is as follows:

in a first aspect, the present invention provides a battery replacement container control system, including:

the load is equipment such as fire-fighting electric equipment and the like which needs emergency use;

a power supply device for storing or supplying electrical energy;

the information acquisition system is used for acquiring the power consumption requirement of the load and the state data of the power supply equipment;

the control system is used for controlling the power supply equipment to provide electric energy to the load according to different charging configurations according to the power consumption requirement of the load and controlling commercial power to charge the power supply equipment according to the state data of the power supply equipment;

and the display system is used for displaying the state of the power supply equipment according to the state data of the power supply equipment.

Further, the control system includes: an energy storage bidirectional inverter, a charger, an electric energy control module and an environment control module,

the energy storage bidirectional inverter is connected between the charger and a commercial power and between the power supply equipment and the load, and the electric energy control module is used for controlling the rectification or inversion state of the energy storage bidirectional inverter so as to control commercial power alternating current to be converted into direct current to be provided for the charger or control a direct current point of the power supply equipment to be converted into alternating current to be provided for the load.

Further, the battery replacement container control system further comprises a maintenance system; the maintenance system is used for carrying out safety protection on the battery replacement cabinet where the power supply equipment is located;

the information acquisition system also acquires power supply equipment environmental data of a power exchange cabinet where the power supply equipment is located, and the environmental control module controls the maintenance system to execute corresponding maintenance measures according to the power supply equipment environmental data.

Further, the power supply apparatus environment data includes: temperature data, smoke data, and monitoring data;

the maintenance system comprises a heat dissipation module and a security module;

the heat dissipation module is used for dissipating heat of the space where the power supply equipment is located;

the security module is used for executing corresponding security measures on the battery replacement cabinet where the power supply equipment is located.

Furthermore, the power supply equipment is a lithium battery, the power supply equipment parameter is state data of the lithium battery, and the load parameter is the power consumption requirement of the load;

the information acquisition system includes:

the data acquisition module is used for acquiring the state data of the lithium battery and the power consumption requirement of the load and formulating a corresponding lithium battery configuration mode according to the power consumption requirement of the load;

the temperature acquisition module is used for acquiring temperature data in a battery replacement cabinet where the lithium battery is located;

the smoke acquisition module is used for acquiring smoke data in the battery replacement cabinet where the lithium battery is located;

and the monitoring module is used for acquiring the conditions inside the container to form monitoring data.

Further, the environmental control module includes:

the heat dissipation control submodule is used for presetting a temperature threshold value, comparing the temperature threshold value with the temperature data, and controlling the heat dissipation module to dissipate heat of the space where the lithium battery is located according to the comparison result of the temperature data;

and the security control submodule is used for presetting a smoke threshold value, comparing the smoke threshold value with smoke data, and controlling the security module to execute security measures according to the smoke data comparison result and the monitoring data.

In a second aspect, the present invention provides a method for controlling a swap container, including:

acquiring state data of power supply equipment, power consumption requirements of loads and environment data of the power supply equipment;

controlling the power supply equipment to charge according to the power consumption requirement, and controlling the power supply equipment to provide electric energy to the load in different configuration modes according to the power consumption requirement;

performing corresponding protective measures on the battery replacement cabinet where the power supply equipment is located according to the power supply equipment environment data;

and displaying in real time according to the charging state of the power supply equipment or the power supply state of the power supply equipment according to different configuration modes. Further, the power supply unit is a lithium battery, and the information acquisition system includes:

the data acquisition module is used for acquiring the state data of the lithium battery and the power consumption requirement of the load and formulating a corresponding lithium battery configuration mode according to the power consumption requirement of the load;

the temperature acquisition module is used for acquiring temperature data in a battery replacement cabinet where the lithium battery is located;

the smoke acquisition module is used for acquiring smoke data in the battery replacement cabinet where the lithium battery is located;

and the monitoring module is used for acquiring the conditions inside the container to form monitoring data.

Further, controlling the power supply device to charge according to the power consumption requirement, and controlling the power supply device to provide electric energy to the load in different configuration modes according to the power consumption requirement specifically include:

controlling an energy storage bidirectional inverter to be in a rectification state according to the state data of the lithium battery, converting commercial power alternating current into direct current, and charging the lithium battery by the direct current through a charger;

and controlling the energy storage bidirectional inverter to be in an inversion state according to the power consumption requirement of the load, and controlling the lithium battery to convert direct current provided by a configuration mode into alternating current to be provided for the load.

In a third aspect, the invention provides a battery replacement container, which is characterized in that the battery replacement container is used for realizing the control method of the battery replacement container as claimed in claim 7, and the battery replacement container comprises a box body, four ends of the bottom of the box body are provided with sliding wheels, the box body is provided with a battery compartment, a battery replacement cabinet is arranged in the battery compartment, the box body is further provided with an electric compartment adjacent to the battery compartment, an electric device is arranged in the electric compartment, an exhaust fan used for dissipating heat of the electric device is arranged in the electric compartment, a wind guide layer is arranged on the battery replacement cabinet, an air conditioner is arranged in the battery compartment, and a wind channel of the air conditioner is communicated with the wind guide.

The invention has the beneficial effects that:

according to the invention, the technical problems that the container mainly stores electric energy and supplies the electric energy to the electric vehicle, the container is idle at ordinary times and cannot be flexibly used and the safety performance of the whole container is poor in the prior art are solved by adopting different configuration modes of controlling commercial power conversion according to state data to supply proper electric energy to the power supply equipment and controlling the power supply equipment to supply electric energy to the load according to power consumption requirements, so that the container can store electric energy and supply electric energy to the electric vehicle, can also supply electric energy to the load when the container is idle, and can output required voltage and power to the electric vehicle according to the power consumption requirements of the electric vehicle, thereby enabling the battery replacement container to be flexibly.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a container body for replacing an electric container according to the present invention;

fig. 2 is a schematic structural diagram of a power exchange cabinet in an embodiment of the power exchange container of the invention;

FIG. 3 is a schematic structural diagram of a container body in an embodiment of replacing an electric container according to the present invention;

FIG. 4 is a block diagram of an embodiment of a swap container control system according to the present invention;

FIG. 5 is a block diagram of a lithium battery charging and discharging module in an embodiment of a battery replacement container control system according to the present invention

FIG. 6 is a circuit diagram of a lithium battery and a charger in an embodiment of a battery changing container control system according to the present invention;

FIG. 7 is a block diagram of an embodiment of a swap container control system according to the present invention;

FIG. 8 is a flow chart illustrating charging of a lithium battery according to an embodiment of a method for controlling a battery replacement container of the present invention;

fig. 9 is a flowchart of load charging in an embodiment of a battery swapping container control method of the present invention.

Reference numerals: 10. a power supply device; 11. a lithium battery; 12. a charger; 20. maintaining the system; 21. a heat dissipation module; 22. a security module; 30. an information acquisition system; 31. a data acquisition module; 32. a temperature acquisition module; 33. a smoke collection module; 34. a monitoring module; 40. a control system; 41. an electric energy control module; 42. an environment control module; 421. a heat dissipation control submodule; 422. a security control submodule; 43. an energy storage bidirectional inverter; 50. a display system; 60. a box body; 61. a battery compartment; 611. a power exchange cabinet; 612. an air conditioner; 613. a battery compartment; 62. an electrical compartment; 621. an electrical device; 622. an exhaust fan; 63. a fire extinguisher; 64. a compartment door; 65. a gate; 70. a sliding wheel; 80. and (4) loading.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1, the embodiment of the invention discloses a battery replacement container, which comprises a container body 60, wherein four ends of the bottom of the container body 60 are fixedly provided with sliding wheels 70, the sliding wheels 70 are sliding wheels 70 with brakes, and when the container body 60 needs to move to a designated place, the sliding wheels 70 drive the container body 60 to roll and transport to the designated place, so that the container body 60 can move conveniently and save manpower.

Referring to fig. 2 and 3, an electrical compartment 62 and a battery compartment 61 are disposed inside the box 60, an electrical device 621 is disposed inside the electrical compartment 62, wherein the electrical device 621 includes a controller and an energy storage bidirectional inverter 43 (not shown), a power conversion cabinet 611 is disposed inside the battery compartment 61, and a plurality of power conversion cabinets 611 are disposed inside the power conversion cabinet 611. The power exchange cabinet 611 is provided with a lithium battery 11, a battery compartment 613 and a charger 12, and the lithium battery 11 is placed in the battery compartment 613 for storing electric energy. A compartment door 64 is provided between the electric compartment 62 and the battery compartment 61 for isolation, and the lithium battery 11 and the electric device 621 are isolated by the compartment door 64 to prevent interference therebetween. An exhaust fan 622 is arranged in the electric compartment 62 to dissipate heat of the electric device 621, a wind guide layer is arranged on the battery replacing cabinet 611, an air conditioner 612 is arranged in the battery compartment 61, and the air conditioner 612 is communicated with the wind guide layer of the battery replacing cabinet 611 through a pipeline, so that cold air generated by the air conditioner 612 flows to the battery replacing cabinet 611 through the pipeline to reduce heat generated by the lithium battery 11 in the battery replacing cabinet 611, the temperature of the battery replacing cabinet 611 is proper, heat generated by the electric device 621 and the lithium battery 11 in the electric compartment 62 and the battery compartment 61 can be reduced through the arrangement of the exhaust fan 622 and the air conditioner 612, a proper temperature is provided for the lithium battery 11 and the electric device 621 to work normally, and failure conditions of the electric device 621 and the lithium battery 11 caused by high temperature are reduced.

The inside fire extinguisher 63 that is provided with of box 60, fire extinguisher 63 sets up in battery compartment 61 and is equipped with two in this embodiment, the cabinet 611 that trades is arranged two rows in battery compartment 61, two fire extinguishers 63 are located two rows of both ends of cabinet 611 that trades respectively, and fire extinguisher 63 is connected with a plurality of piece dry powder shower nozzle of putting out a fire, its dry powder shower nozzle of putting out a fire sets up in battery compartment 613, all be equipped with a dry powder shower nozzle in each battery compartment 613, when the lithium cell 11 trouble in battery compartment 613 leads to the time of starting a fire, spout dry powder to this battery compartment 613 through dry powder shower nozzle of putting out a fire for putting out a fire, thereby improve the security performance of whole cabinet 611 that trades.

The box body 60 is provided with a gate 65 for covering the box body 60, when the box body 60 is used as an electric vehicle sharing battery replacement, the gate 65 is in a normally open state, the compartment small door 64 is in a normally closed state, a person needing to replace the lithium battery 11 of the electric vehicle can enter the container to replace the lithium battery 11, the lithium battery 11 can be replaced on the battery replacement cabinet 611, and the electric vehicle owner can use the electric vehicle conveniently and the device in the electric compartment 62 is prevented from being damaged by other people through the arrangement of the gate 65 and the compartment small door 64.

To sum up, the sliding wheels 70 are arranged at the four ends of the box body 60 so that the box body 60 can be moved to a designated position by being pulled by a worker, and the box body 60 can be flexibly and simply moved. The exhaust fan 622 and the air conditioner 612 are arranged in the electric compartment 62 and the battery compartment 61, the exhaust fan 622 cools the electric device 621 in the electric compartment 62, and the air conditioner 612 cools the lithium battery 11 in the battery compartment 61, so that the electric device 621 and the lithium battery 11 operate at a proper temperature, the probability of damage to the electric device 621 and the lithium battery 11 caused by high temperature is reduced, and then the fire extinguishment can be performed on the battery through the arrangement of the fire extinguisher 63 and the dry powder fire extinguishing nozzle, so that the safety performance of the power exchange cabinet 611 is improved.

Referring to fig. 4, embodiment two: the embodiment of the invention discloses a battery replacement container control system, which comprises a load 80, a power supply device 10, a maintenance system 20, an information acquisition system 30, a control system 40 and a display system 50, wherein the load 80 is a fire-fighting electric device in the embodiment, the power supply device 10 is a lithium battery 11, and the lithium battery 11 is used for providing electric energy for an electric vehicle after the electric vehicle enters a container for replacement or configuring a plurality of lithium batteries 11 according to the power consumption requirement of the load to provide the electric energy for the load 80 together; the maintenance system 20 is used for performing security protection on a container where the power supply device 10 is located, and the information collection system 30 is used for collecting power consumption requirements of the load 80, status data of the power supply device 10, and environmental data of the power supply device 10. The control system 40 is used for controlling the power supply equipment 10 to provide electric energy to the load 80 in different configuration modes for emergency power supply according to the power consumption requirement, the control system 40 controls the commercial power to be converted into electric energy suitable for being stored by the power supply equipment 10 and provided for the power supply equipment 10 according to the state data, the control system 40 controls the power supply equipment 10 to provide electric energy to the load 80 in different configuration modes according to the power consumption requirement of the load 80, and the control system 40 controls the maintenance system 20 to execute corresponding security measures on the battery replacement cabinet where the power supply equipment 10 is located according to the power supply equipment environment data. The display system 50 is used to display the status of the power supply apparatus 10 according to the status data of the power supply apparatus 10.

After the information acquisition system 30 acquires the status data of the power supply device 10, the power demand of the load 80 and the power supply device environment data of the space where the power supply device 10 is located, the control system 40 controls the power supply device 10 to charge according to the status data, controls the power supply devices 10 with different configuration modes to provide electric energy to the load 80 according to the power demand, and controls the maintenance system 20 to execute corresponding maintenance measures according to the environment data, so as to control the power supply device 10 to charge according to the use condition of the power supply device 10 in the battery replacement container to provide electric energy to the electric vehicle, or controls the power supply device 10 to configure to meet the power demand of the load 80 and provide electric energy to the load 80 in case of emergency, thereby realizing flexible use of the power supply device 10 in the container, improving the usability of the power supply device 10, and simultaneously directly viewing the status data of the power supply device 10 through the display, so that the user knows the current power supply equipment 10 state according to the state data of power supply equipment 10 to change lithium cell 11 better, can carry out the security protection measure to power supply equipment 10 according to power supply equipment environmental data simultaneously in order to improve the security of trading the electric container.

Referring to fig. 3 and 4, in this embodiment, the power supply device 10 is a lithium battery 11, and the lithium batteries 11 are placed in a power exchange cabinet 611, in this embodiment, the power exchange cabinet 611 is disposed in two rows inside the container, and a charger 12 is disposed in the power exchange cabinet 611 and is used for charging the lithium batteries 11.

Referring to fig. 2, 4 and 5, an electrical device 621 is disposed in the container, the electrical device 621 is a control system 40, the control system 40 includes an energy storage bidirectional inverter 43 and a charger 12, the energy storage bidirectional inverter 43 is configured to convert ac power of a control commercial power into dc power and supply the dc power to the charger, the charger supplies the dc power to the lithium battery 11 for charging, and the energy storage bidirectional inverter 43 may further convert dc power of the lithium battery 11 into ac power required by the electrical equipment. The power exchange cabinet 611 is further provided with a battery compartment 613, and the battery compartment 613 is used for placing the lithium battery 11.

Referring to fig. 5, when the lithium battery 11 needs to be charged, the energy storage bidirectional inverter 43 is in a rectifying state, the energy storage bidirectional inverter 43 rectifies and converts 380V commercial power into direct current, and transmits the direct current to the charger 12, and the lithium battery 11 is provided with a charging connector, a discharging connector and a communication connector, and the charger 12 is connected to the charger 12 through the charging connector to provide electric energy to the lithium battery 11 so as to complete charging of the lithium battery 11. When the fully charged lithium battery 11 is connected to the load 80 and the electric energy is supplied to the load 80 through the discharge connector, the energy storage bidirectional inverter 43 is in an inverted state, and the energy storage bidirectional inverter 43 converts the direct current output by the configured lithium batteries 11 into alternating current and supplies the alternating current to the load 80. The lithium battery 11 can also provide electric energy for the electric automobile through a discharging connector when the lithium battery is directly replaced for the electric automobile. The charger 12 charges the lithium battery 11 by converting the direct current into direct current through the energy storage bidirectional inverter 43, and then charges the lithium battery 11, and when the lithium battery 11 needs to provide emergency power to the load 80, the energy storage bidirectional inverter 43 converts the direct current of the lithium battery 11 into alternating current to provide the alternating current to the load 80, so that the usability of the lithium battery 11 is improved.

Referring to fig. 5 and 7, the information collection system 30 includes: a data acquisition module 31, a temperature acquisition module 32, a smoke acquisition module 33 and a monitoring module 34; the data acquisition module 31 is used for acquiring the state data of the lithium battery 11 and the power consumption requirement of the load 80 and forming different configuration modes of the lithium battery 11 according to the power consumption requirement, the state data is the energy storage power, the energy storage state and the discharge state of the lithium battery 11, and the power consumption requirement of the load 80 mainly comprises the power consumption voltage and the power consumption power of the load 80. The temperature acquisition module 32 is used for acquiring temperature data in a container where the lithium battery 11 is located, the smoke acquisition module 33 is used for acquiring smoke data in the container where the lithium battery 11 is located, and the monitoring module 34 is used for acquiring conditions inside the container to form monitoring data. The control system 40 further includes: a power control module 41 and an environmental control module 42, and the environmental control module 42 includes: the electric energy control module 41 is used for controlling the charger 12 to charge the lithium battery 11 according to the state data acquired by the data acquisition module 31, and controlling the lithium battery 11 to form different configuration modes according to the power consumption requirement to provide electric energy to the load 80; the heat dissipation control submodule 421 is configured to preset a temperature threshold, compare the temperature threshold with the temperature data, and control the heat dissipation module 21 to dissipate heat in the container where the lithium battery 11 is located according to the comparison result of the temperature data; the security control sub-module 422 is configured to preset a smoke threshold, compare the preset smoke threshold with the smoke data, and control the security module 22 to perform security measures according to the smoke data comparison result and the monitoring data.

The data acquisition module 31 includes: the system comprises a battery data acquisition unit and a load data acquisition unit, wherein the battery data acquisition unit is used for acquiring the energy storage power, the energy storage state and the discharge state of the lithium battery 11; the load data acquisition unit is used for acquiring the power consumption voltage and the power consumption power of the load 80, and obtaining the lithium batteries 11 with corresponding quantity and corresponding state data according to the proportional relation between the power consumption power and the energy storage power, and the lithium batteries are connected in parallel or in series to provide electric energy for the load 80. The control system 40 controls the energy storage bidirectional inverter 43 to convert commercial power alternating current into direct current in a rectifying state and supply the direct current to the charger 12 for charging the lithium batteries 11 through collection of energy storage power, and can calculate the number of the lithium batteries 11 which can supply electric energy according to the power voltage and the power consumption of the electric equipment, and the number of the lithium batteries 11 which are needed to work simultaneously can be supplied with electric energy, and the lithium batteries 11 are controlled to work together and then converted into alternating current to be supplied to the load 80, so that the electric energy can be supplied or stored by flexibly using the battery replacement container.

Referring to fig. 3 and 5, the energy storage bidirectional inverter 43 converts the commercial power into the direct current used by the lithium battery 11, the data acquisition module 31 acquires the state data of the lithium battery 11 after the lithium battery 11 is placed in the battery compartment 613, wherein the data acquisition module 31 is a communication connector in this embodiment, the lithium battery 11 is connected with the charging connector, the discharging connector and the communication connector after the lithium battery 11 is placed in the battery compartment 613, the state data of the lithium battery 11 is acquired through the communication connector, the electric energy control module 41 reads a corresponding charging mode in the energy storage power post-selection of the lithium battery 11, and then the electric energy control module 41 controls the charger 12 to adopt the corresponding charging mode to charge the lithium battery 11. The parameters of the charging mode include a charging speed, a charging current, and a charging voltage, and the lithium battery 11 is charged by executing the corresponding charging speed, charging current, and charging voltage according to the energy storage voltage and the energy storage power charger 12. The lithium battery 11 is charged simply by adopting different charging modes according to the energy storage voltage and the energy storage power of the lithium battery 11.

Referring to fig. 5 and 6, the lithium batteries 11 are provided with a plurality of lithium batteries 11, in this embodiment, the connection manner of the plurality of lithium batteries 11 is mainly that each lithium battery 11 is connected in parallel with a first diode D1, and the positive electrode of the first diode D1 is connected with the negative electrode of the lithium battery 11, the positive electrode of another lithium battery 11 and the charger 12, the negative electrode of the first diode D1 is connected with the positive electrode of the lithium battery 11, the positive electrode of the lithium battery 11 is connected with the negative electrode of the first diode D1 and one end of a switch KT, the other end of the switch is connected with the positive electrode of the second diode D2, one end of the negative electrode of the second diode D2 is connected with the positive electrode of the load 80, when the switch KT is closed, the positive electrodes of all the lithium batteries 11 are connected and then flow through the first diode D1 and then lead to the positive electrode of the load 80, when the charger 12 charges, only the positive electrodes of the lithium batteries 11 directly flow into the lithium batteries Charging load 80 prevents lithium battery 11 from being charged when load 80 is charged, and prevents charging and discharging of lithium battery 11 from being affected by each other. When the electric equipment needs to be supplied with power emergently, the lithium batteries 11 which are configured with different energy storage voltages and energy storage power by controlling the opening or closing of the KT switch work together to provide electric energy for the electric equipment to carry out emergency.

Referring to fig. 2 and 7, when the fire-fighting electric equipment needs to supply power emergently, the electric equipment is connected with a power-exchanging cabinet 611, the data acquisition module 31 acquires the power demand of the fire-fighting electric equipment, that is, the voltage demand and the power demand of the electric equipment, the electric energy control module 41 firstly analyzes the data of the lithium battery 11 according to the voltage demand and the power demand of the electric vehicle and then selects the corresponding lithium battery 11 to start, the lithium battery 11 which is not selected is automatically powered off to output externally, then the electric energy control module 41 controls the energy-storing bidirectional inverter 43 to be in an inversion state to convert the direct current of the lithium battery 11 into alternating current, the output voltage and the output power of the alternating current match the voltage demand and the power demand of the electric equipment, then the electric energy control module 41 closes the switch to charge the fire-fighting electric equipment, so that the fire-fighting electric equipment can be configured into the, to allow flexible use of the lithium battery 11. Meanwhile, the display system 50 is a liquid crystal display operation interface in this embodiment, and the liquid crystal display operation interface mainly displays the charging state of the lithium battery 11 during charging or the connection mode of the lithium battery 11 during charging of the fire-fighting electric equipment and the charging state of the lithium battery 11, so that a user can grasp the current state of the lithium battery 11 according to the display of the liquid crystal display operation interface.

Referring to fig. 2, 3 and 7, the power supply apparatus 10 environment data includes: temperature data, smoke data, and monitoring data; the temperature data mainly collects the temperature of the lithium battery 11 in the box 60 through the temperature collecting module 32, wherein the temperature collecting device is a temperature sensor in this embodiment, and the temperature sensor is mainly arranged at the position of the electrical device 621 and the battery replacing cabinet 611 and used for detecting the temperature of the electrical device 621 and the battery replacing cabinet 611. The smoke data is mainly collected by the smoke collection module 33, the smoke collection module 33 is a smoke detector in this embodiment, and when a fire occurs in the battery compartment 613, the smoke detector collects the smoke value in the battery compartment 613 to grasp the fire condition in the battery compartment 613. The monitoring data mainly collects the condition in the container through the monitoring camera in the embodiment, mainly collects the environmental condition of the electrical device 621, the battery condition at the battery replacement cabinet 611 and the condition of the user in the container, wherein the monitoring data is a monitoring video. The surveillance camera head is installed and is responsible for shooting and the condition of trading battery cabinet 611 in the record container in the container top, and the video data of surveillance camera head collection simultaneously can be saved to security protection control submodule 422 in, and security protection control submodule 422 uploads video data to the high in the clouds backstage simultaneously, makes things convenient for backstage management center to master the state of lithium cell 11 in the container.

The maintenance system 20 comprises a heat dissipation module 21 and a security module 22; the heat dissipation module 21 is configured to dissipate heat in a space where the lithium battery 11 is located, and the security module 22 is configured to perform a corresponding security measure on the battery replacement cabinet 611 where the power supply device 10 is located. The heat dissipation module 21 is an air conditioner 612 and an exhaust fan 622 in this embodiment, the exhaust fan 622 is disposed at the electrical device 621 for dissipating heat from the electrical device 621, and the air conditioner 612 is disposed in the space of the power exchange cabinet 611 for cooling the high temperature generated by the battery. Security protection module 22 includes fire extinguisher 63 and backstage management center in this implementation, is connected with a plurality of dry powder shower nozzles of putting out a fire on fire extinguisher 63, and the dry powder shower nozzle of putting out a fire sets up in every battery compartment 613, and the lithium cell 11 that catches fire in battery compartment 613 sprays dry powder through the dry powder shower nozzle of putting out a fire in order to put out a fire to lithium cell 11 to accomplish the automatic fire extinguishing of lithium cell 11 and improve the security of changing electricity cabinet 611.

The heat dissipation control submodule 421 presets a temperature threshold, and when the heat dissipation control submodule 421 receives temperature data sent by the temperature acquisition module 32 and exceeds the temperature threshold, the heat dissipation control submodule 421 controls the exhaust fan 622 and/or the air conditioner 612 to start up for heat dissipation, so as to realize automatic control of the exhaust fan 622 and/or the air conditioner 612 to keep the temperature in the container constant, and prevent the temperature in the container from being too high due to heat generated by the operation of the electrical device 621 and the charging and discharging of the lithium battery 11, so that the temperature in the container is suitable for the normal operation of the electrical device 621 and the lithium battery 11. The smoke threshold is preset by the security control submodule 422, when the lithium battery 11 catches fire, and the smoke data received by the security control submodule 422 from the smoke acquisition module 33 exceeds the smoke threshold, the security control submodule 422 controls the fire extinguisher 63 to start and simultaneously controls the dry powder fire extinguishing nozzle in the battery compartment 613 that catches fire to conduct and spray dry powder to extinguish the fire, so that the situation that the whole container explodes due to the fact that a certain lithium battery 11 catches fire is prevented, and the safety performance of the whole power changing cabinet 611 is improved.

To sum up, through the power consumption demand of gathering the state data of lithium cell 11 and electric motor car, charge machine 12 according to state data control and adopt the mode of charging that corresponds to lithium cell 11 according to power consumption demand control corresponding parameter starts, then connects the voltage and the power that lithium cell 11 output of starting corresponds and provide fire-fighting electric equipment, thereby makes the container not only do the electric quantity storage can also carry out the electric energy sharing outward. The temperature sensor, the smoke detector and the monitoring camera are used for collecting corresponding temperature data, smoke data and monitoring data, so that the heat dissipation control submodule 421 controls the temperature in the container to be appropriate according to the temperature data, the security control submodule 422 controls the dry powder fire extinguishing nozzle to extinguish fire for the battery compartment 613 on fire according to the smoke data, and the background management center obtains monitoring videos to master the internal conditions of the whole container, so that the safety performance of the container is improved.