TWI668940B - Mobile solar energy storage device - Google Patents

Abstract

A mobile solar energy storage device includes: at least one solar panel connected to a controller (MPPT), and a lithium battery pack connected to a BMS management system and a main control circuit, and a low potential wake-up circuit is provided with a pair a contact relay and a single contact relay, the dual contact relay switches the first contact and the second contact by the main contact, and the main contact is connected to the BMS management system, and the first a contact is connected to the controller, and the controller is normally turned on with the BMS management system, one end of the single contact relay is connected to the solar panel, and the other end of the single contact relay is connected to the second contact The zero-potential wake-up circuit is provided with a zero-potential relay, and the zero-potential relay is connected to the UPS system and the main control circuit, and has the function of two-stage automatic wake-up.

Description

Mobile solar energy storage device

The invention relates to a solar power generation and power supply device, in particular to a movable solar energy storage device with high mobility, self-power supply, integrated multi-function and low-potential automatic wake-up.

According to the solar power generation, it is a clean and pollution-free, and has inexhaustible characteristics, which will become the development trend of the next generation of emerging energy. In the solar power system, the maximum power point tracking will be passed. , referred to as MPPT) connection load, the efficiency of solar panel power transmission is related to the amount of sunshine on the solar panel, and also related to the electronic characteristics of the load. When the sunshine situation changes, the load curve that can provide the maximum power transmission efficiency also The change, therefore, the maximum power point tracker is used in conjunction with the load curve to achieve the highest power transmission efficiency, and because the solar panel itself cannot store electrical energy, storing the electrical energy generated by the solar panel in the lithium battery is a better combination, but due to the lithium battery When the battery is overcharged and overdischarged, it is easy to cause damage. Therefore, the battery management system (Battery Management Systems) is installed when the lithium battery is used. During the battery charging and discharging process, the BMS management system can instantly collect the lithium battery pack. The terminal voltage and temperature of each lithium battery, the charge and discharge current, and the total voltage of the lithium battery, and There is an automatic cut-off circuit to form a dormant state to prevent the lithium battery from being damaged due to over-charging or over-discharging. However, it is not difficult to find out that the above-mentioned conventional structure has some shortcomings, the main reasons are as follows: When the lithium battery is at a low potential due to over-discharge, the BMS management system enters a sleep state to protect the lithium battery, so that the maximum power point tracker stops operating, and the The solar panel charges the lithium battery. At this time, the lithium battery and the external battery can be manually connected for charging. When the lithium battery is out of the low potential state, the overdischarge protection of the BMS management system can be eliminated, and the solar panel can be removed. Respond to the normal use state of power supply and charging, so it is impossible to automatically wake up the technical problems that this creation mainly wants to overcome.

In view of this, the inventors have been engaged in the manufacturing development and design experience of related products for many years, and after detailed design and careful evaluation of the above objectives, the present invention has finally become practical.

The technical problem to be solved by the present invention is to provide a mobile solar energy storage device in view of the above-mentioned shortcomings existing in the prior art.

At least one solar panel is connected to a controller (MPPT), and the controller is connected with a main control circuit and at least a constant current load, and the solar panel generates DC power, and is converted into a step-down DC power through the controller to provide the DC load. The demand for electricity, a lithium battery pack is connected to a BMS management system, and the lithium battery pack is overcharged and overdischarged by the dynamic monitoring of the BMS management system. A low potential wake-up circuit is provided with a double contact relay and a a single contact relay, the double contact relay is provided with a main contact, a first contact and a second contact, and the main contact can switch between the first contact and the second contact, and The main contact is connected to the BMS management system, and the first contact is connected to the main control circuit, and the controller is kept in normal state with the BMS management system, and one end of the single contact relay is connected to the solar panel. And the other end of the single contact relay is connected to the second contact, and when the double contact relay is connected to the main contact and the first contact, the single contact relay cuts off the low potential Waking circuit, which is connected to the double-break relay main contact and the second contact, the single-contact relay is turned on The low-potential wake-up circuit, the zero-potential wake-up circuit is provided with a zero-potential relay, and one end of the zero-potential relay is connected to a UPS system, and the other end of the zero-potential relay is connected to the main control circuit, and the lithium battery pack is When the power is completely off, the dual contact relay keeps the main contact and the first contact, and the UPS system supplies power to turn on the zero potential relay, so that the UPS system can wake up the BMS management system and the controller. An inverter is connected to the main control circuit, and the inverter converts the direct current of the lithium battery pack into alternating current, and the inverter is connected with at least one output connector for supplying an external alternating current load.

Wherein, the inverter is further connected with an input connector, and the input connector is externally connected with AC mains for conversion to DC power to provide charging of the lithium battery pack, and the lithium battery pack utilizes the UPS system when the battery pack is completely de-energized. The inverter and the BMS management system are restarted, so that the AC power conversion DC power is charged to the lithium battery pack.

Wherein, the lithium battery assembly is disposed in a box body, and the box body is fixed on a trailer frame, and the trailer frame is provided with a plurality of wheels for towing, and the box body also provides the controller, The DC power load, the low potential wake-up circuit, the BMS management system, the UPS system, and the assembly accommodation of the inverter.

Wherein, the trailer frame has a retractable tow bar extending at one end, and an auxiliary wheel is disposed at the towing bar, and the trailer frame is moved by the towing bar, and the four end corners of the trailer frame are further A manual supporter and a top stand are mounted, and the manual support can be extended to form an in-situ stable stand, and the top stand contributes to the direct top height shift of the trailer frame.

The DC power load includes a plurality of lighting fixtures, and the lighting fixture is directly provided with 48V DC power by the controller, and the lighting fixture is mounted on a top end of a telescopic cylinder, and the bottom end of the telescopic cylinder is fixed to the tow a frame, and the telescopic cylinder is provided with a rope puller, and The rope puller forms a telescopic control of the telescopic cylinder.

Wherein, the trailer frame has a plurality of uprights standing on the periphery of the box body, and the plurality of the solar panels are assembled above the box body by the upright column, and a gas pressure rod is arranged between the column and the solar panel. And the gas pressure rod can push the solar panel to form a flat plane.

Wherein, the controller includes a transformer, and the transformer reduces the voltage to 12V DC in a DC to DC state, and the DC load includes a monitor system, and the transformer is connected to the monitor system to provide power.

The monitor system is connected in series with a network sharer, a wireless router and a monitoring host, and the monitoring host is connected to the transformer, and the network sharer is used for converging the image signal of the monitor system, and The wireless router stores the image signal transmission to the monitoring host, and uses the wireless router to share the video signal in a wireless network manner, thereby achieving the purpose of real-time monitoring.

The wireless router is further connected to a GPS system, and the GPS system is used to locate the GPS coordinates in which it is located.

Wherein, the output connector of the inverter outputs 220V alternating current, and an electric vehicle is charged by the output connector.

A first main object of the present invention is that one end of the single-contact relay of the low-potential wake-up circuit is connected to the solar panel, and the other end of the single-contact relay is connected to the second contact of the double-contact relay, The double contact relay switches between the main contact and the second contact, and the direct current generated by the solar panel turns on the single contact relay by using a voltage difference from the lithium battery pack end, so that the direct current power of the solar panel passes through the low potential The wake-up circuit wakes up the BMS management system, thereby controlling the dual contact relay to turn back to the main contact and the first contact, and restarting the The controller and the inverter enable the power generated by the solar panel to flow through the controller to charge the lithium battery pack, return the solar panel and the lithium battery pack to a normal use state, and automatically restart with a low potential Use efficacy.

A second main object of the present invention is that one end of the zero potential relay of the zero potential wake-up circuit is connected to the UPS system, and the other end of the zero potential relay is connected to the main control circuit, and the UPS system detects the lithium battery pack In the completely powerless state, the zero potential relay is turned on by the power stored in the UPS system, so that the UPS system can wake up the BMS management system, the controller and the inverter, so that the solar panel can be the lithium battery pack. Charging, and cutting off the zero potential relay when the lithium battery pack is charged to a certain amount of power, so that the low potential wake-up circuit can continue to eliminate the over-discharge protection state of the BMS management system, that is, can automatically restart in the no-power state. The controller and the lithium battery pack have the function of two-stage automatic wake-up.

A third main object of the present invention is that the trailer frame can be towed to a specific location, such as a mountain, a seaside, a remote area, or a disaster-stricken site, and is powered by solar panels, and the monitor system or GPS is activated. The system simultaneously performs on-site image sharing and real-time monitoring through the wireless router. When the light is insufficient, the lighting fixture can also be used to illuminate the scene environment. The functions of real-time monitoring, GPS positioning, wireless network sharing and ambient lighting are all By using the DC power of the solar panel or the lithium battery pack through the controller, the power utilization rate can be effectively improved by using the DC to DC, and the AC power supply can be externally connected through the input connector of the inverter. The inverter converts the alternating current into direct current for power supply, and the output connector of the inverter can be connected to other devices to form an alternating current power supply, and further provides the electric vehicle charging, and has high mobility and independent power supply. And the practical utility of integrating versatility.

Other objects, advantages and novel features of the invention will be apparent from The related drawings are more apparent.

[this creation]

10‧‧‧ solar panels

11‧‧‧ Controller

12‧‧‧Master circuit

20‧‧‧DC load

21‧‧‧Transformers

22‧‧‧Monitor system

23‧‧‧Network Sharer

24‧‧‧Wireless Router

25‧‧‧Monitoring host

26‧‧‧GPS system

27‧‧‧Lighting fixtures

271‧‧‧ Telescopic cylinder

272‧‧‧Drawer

30‧‧‧Lithium battery pack

31‧‧‧BMS Management System

40‧‧‧Low potential wake-up circuit

41‧‧‧Double contact relay

42‧‧‧Single contact relay

411‧‧‧ main contacts

412‧‧‧First contact

413‧‧‧second joint

50‧‧‧zero potential wake-up circuit

51‧‧‧Zero potential relay

52‧‧‧ UPS system

60‧‧‧Inverter

61‧‧‧Output connector

62‧‧‧Input connector

63‧‧‧Electric vehicles

70‧‧‧Trailer

701‧‧‧Control box

71‧‧‧ cabinet

72‧‧‧ wheels

73‧‧‧Trailer

731‧‧‧Assistance wheel

74‧‧‧Manual support

75‧‧‧Top elevated

76‧‧‧ column

77‧‧‧Pneumatic rod

Figure 1 is a circuit diagram of the normal power supply of the solar panel of the present invention.

Fig. 2 is a circuit diagram showing the normal power supply of the lithium battery pack of the present invention.

Figure 3 is a perspective view of the trailer frame of the present invention in a towed state.

Figure 4 is a perspective view of the trailer frame of the present invention in use.

Figure 5 is a perspective view showing the internal configuration of the casing of the present invention.

Figure 6 is a circuit diagram of the present invention for awakening in a low potential state.

Figure 7 is a circuit diagram of the present invention for a low potential restart controller.

Figure 8 is a circuit diagram of the present invention in a wake-up state in an unpowered state.

In order to enable your review committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [detailed description of the drawings] as follows: First, please continue from Figure 1 to Figure 5 A mobile solar energy storage device includes: at least one solar panel 10, a DC load 20, a lithium battery pack 30, a low potential wake-up circuit 40, a zero potential wake-up circuit 50, and an inverse The transformer 60, at least one solar panel 10 is connected to a controller (MPPT) 11 , and the controller 11 is connected to a main control circuit 12 and at least a DC load 20 . The number of the solar panels 10 is four, and is connected by two series two parallel connection, so that the solar panel 10 can generate 110V DC power, and the output current value is between 8A and 24A, and through the controller. 11 converts to 48V step-down DC power to provide the DC load 20 The power consumption requirement of the solar panel 10 can be improved by using the controller 11 . A Lithium Battery 30 is connected to a BMS management system (BMS) 31. The lithium battery pack 30 is connected. The two series and five parallel connections are used to form a 48V voltage, and the lithium battery pack 30 is overcharged and overdischarged by the dynamic monitoring of the BMS management system 31, and the BMS management system 31 and the controller 11 can maintain normal conduction. The solar panel 10 can be used to charge the lithium battery pack 30, and the lithium battery pack 30 can also supply the DC power load 20, and the DC load 20 includes a transformer 21 (DC-DC Converter), and the transformer 21 reduces 48V to 12V DC in a DC to DC state, the DC load 20 includes a monitor system 22, and the transformer 21 is coupled to the monitor system 22 to provide power, wherein the monitor system 22 is The serial port is connected to a network sharer (Internet Sharer) 23, a wireless router (24) and a monitor host (Monitor Host) 25, and the monitor host 25 is connected to the transformer. The network sharer 23 is configured to concatece the image signal of the monitor system 22, and store the image signal on the monitoring host 25 via the wireless router 24, and use the wireless router 24 to wirelessly ( For example, wi-fi shares video signals, allowing users to view video signals through mobile devices (such as mobile phones, tablets or laptops) for instant monitoring purposes. The wireless router 24 is also connected to a GPS system (GPS System). 26, and the GPS system 26 is used to locate the GPS coordinates in which it is located, thereby facilitating location search, instant support and integrated control. A low potential wake-up circuit 40 is provided with a double contact relay (Double Contact Relay) 41 And a single contact relay 42, the dual contact relay 41 is provided with a main contact 411, a first contact 412 and a second contact 413, and the main contact 411 can be switched on. a first contact 412 and the second contact 413, the main contact 411 is connected to the BMS management system 31, and the first contact 412 is connected to the main control circuit 12, and the The controller 11 and the BMS management system 31 are normally turned on, and one end of the single contact relay 42 is connected to the solar panel 10, and the other end of the single contact relay 42 is connected to the second contact 413. When the double contact relay 41 is connected to the main contact 411 and the first contact 412, the single contact relay 42 cuts off the low potential wake-up circuit 40 by the voltage difference between the two ends, and the double contact relay 41 connects the When the main contact 411 and the second contact 413 are in contact with each other, the single-contact relay 42 turns on the low-potential wake-up circuit 40 by a voltage difference between the two ends, and the zero-potential wake-up circuit 50 is provided with a zero potential relay. 51, and one end of the zero potential relay 51 is connected to a UPS system (UPS System) 52, and the other end of the zero potential relay 51 is connected to the main control circuit 12, when the lithium battery pack 30 is in a completely powerless state, the double The contact relay 41 keeps the main contact 411 and the first contact 412 turned on, and is powered by the UPS system 52 to turn on the zero potential relay 51, so that the UPS system 52 can wake up the controller 11 and the BMS management system 31. And then return to the chargeable state, one An inverter 60 is connected to the main control circuit 12, and the inverter 60 converts the direct current of the lithium battery pack 30 into alternating current, and the inverter 60 is connected with at least one output connector 61 for supplying An external AC load, wherein the output connector 61 of the inverter 60 outputs 220V AC, and an electric car 63 is charged by the output connector 61, and the inverter 60 is further connected with an input connector 62. And the input power connector 62 is externally connected to the AC power supply for converting to DC power to provide charging of the lithium battery pack 30, and when the lithium battery pack 30 is in a completely powerless state, the inverter 60 is restarted by the UPS system 52. The BMS management system 31 causes the AC power conversion DC power to charge the lithium battery pack 30.

Further, the structure is further illustrated. As shown in FIGS. 1 to 5, the lithium battery pack 30 is mounted in a casing 71, and the casing 71 is fixed to a trailer frame 70. The trailer frame 70 is provided with a plurality of wheels 72 for towing, and the casing 71 also provides the control. The device 11, the portion of the DC load 20, the low-potential wake-up circuit 40, the BMS management system 31, the UPS system 52, and the inverter 60 are assembled, and a control box 701 is fixed by the trailer frame 70. The control box 701 is connected to the controller 11 and the BMS management system 31 inside the box 71, thereby having the function of operation and monitoring, and the trailer frame 70 has a retractable tow bar 73 extending at one end thereof. An auxiliary wheel 731 is mounted on the towing rod 73, and the trailer frame 70 is dragged and moved by the end of the towing rod 73. The four end corners of the trailer frame 70 are provided with a manual supporter 74 and a top. The overhead frame 75, and the manual supporter 74 can be extended to form a stable standing in place to prevent the trailer frame 70 from slipping or dumping, and the overhead frame 75 contributes to the direct top of the trailer frame 70. The high-mesh movement can move the trailer frame 70 through a stacker (not shown). The DC load 20 includes a plurality of lighting fixtures 27, and the lighting fixture 27 can be a light-emitting diode. The lighting fixture 27 is directly supplied with 48V DC by the controller 11, and The light fixture 27 is mounted on the top end of a telescopic cylinder 271, and the bottom end of the telescopic cylinder 271 is fixed to the trailer frame 70, and the telescopic cylinder 271 is provided with a rope puller 272, and the rope puller is 272 forms a telescopic control of the telescopic cylinder 271, and the trailer frame 70 has a plurality of uprights 76 standing on the periphery of the casing 71, and a plurality of the solar panels 10 are assembled above the casing 71 by the uprights 76. The solar panel 10 can form a sunshade effect on the casing 71 to prevent overheating of the casing 71. A gas pressure rod 77 is disposed between the column 76 and the solar panel 10, and the gas pressure rod 77 can be topped. The solar panel 10 is pushed to form a flat surface expansion. In summary, the trailer frame 70 of the present invention can be towed to a specific place, such as a mountain, a seaside, a remote area or a disaster relief site, that is, the trailer frame. 70 has high maneuverability, and after the fixed position is used to form a stable erection, the pneumatic rod 77 can be operated to deploy the solar panel 10, so that the solar panel 10 can form a large-area light-receiving surface, and can be operated. The control box 701 selects to activate the monitor The system 22 or the GPS system 26 views the power generation and power consumption information through the control box 701, and performs on-site image sharing and real-time monitoring through the wireless router 24, and can also operate the cable puller 272 to rise when the light is insufficient. The telescopic cylinder 271, in turn, illuminates the field environment with the illumination fixture 27 to eliminate the lack of light in the scene, and helps the monitor system 22 to improve the cleanliness of the captured image, wherein the DC load 20 includes the The functions of real-time monitoring, GPS positioning, wireless network sharing, and ambient lighting are all enabled by the controller 11 to obtain the direct current of the solar panel 10 or the lithium battery pack 30, that is, the DC to DC can be effectively used. For improving the power utilization rate, the AC mains can be externally connected through the input connector 62 of the inverter 60, and the AC power is converted into DC power by the inverter 60, and the output connector 61 of the inverter 60 is further connected. It can be connected to other equipment to form AC power supply, which includes 110V and 220V AC power, which can further provide the electric vehicle 63 to charge, and has high mobility and autonomy. The practical function of power supply and integration.

The effect of the actual use is reflected in the figures 3, 4, and 5 together with the first figure. The solar panel 10 can generate 110V DC power under normal power generation, and through the control. The device 11 converts the DC power load 20 into 48V power, and can also transmit the DC power to the inverter 60 through the lithium battery pack 30 and convert it into an AC power, and then supply the power demand of the external device by the output connector 61, and the remaining The power then flows to the BMS management system 31 via the primary contact 411 and the first contact 412 of the dual contact relay 41, and stores the remaining power to the lithium battery pack 30 under the monitoring and management of the BMS management system 31. When the solar panel 10 is not generating electricity, please refer to FIG. 2 again, the lithium battery pack 30 directly supplies the stored 48V DC power to the controller 11 and the inverter 60 to maintain its operation, and through the control. The device 11 provides power for the DC load 20, and the power demand for supplying AC power through the inverter 60, and When the battery pack 30 is discharged to a low potential state, the BMS management system 31 determines that the lithium battery pack 30 has an overdischarge condition, and the low potential refers to a theoretical value according to the voltage of the lithium battery pack 30 being too low to be easily damaged. The user sets the value, and the BMS management system 31 is turned off to enter the sleep state, and the controller 11 and the inverter 60 also stop operating because there is no power supply, and the solar panel 10 is generated in this state. The power can not be used and charged by the controller 11, and please cooperate with the sixth and seventh diagrams. One of the technical means is to connect one end of the single-contact relay 42 of the low-potential wake-up circuit 40 to the The solar panel 10 is connected to the second contact 413 of the dual contact relay 41. At this time, the lithium battery pack 30 does not supply power to the double contact relay 41, so that the double The contact relay 41 switches between the main contact 411 and the second contact 413, and the direct current generated by the solar panel 10 turns on the single contact relay 42 by using a voltage difference from the end of the lithium battery pack 30 to make the solar panel 10 DC The BMS management system 31 can be awakened by the low-potential wake-up circuit 40 to charge the lithium battery pack 30 by the DC power flowing through the low-potential wake-up circuit 40, so that the lithium battery pack 30 returns to the un-discharged state, eliminating the The over-discharge protection of the BMS management system 31, thereby controlling the dual-contact relay 41 to be turned back to the main contact 411 and the first contact 412, and restarting the controller 11 and the inverter 60 to cause the solar panel 10 The generated power flows through the controller 11 to charge the lithium battery pack 30, and cuts off the low potential wake-up circuit 40 by the voltage difference between the solar panel 10 and the lithium battery pack 30, so that the solar panel 10 and the solar panel 10 The lithium battery pack 30 returns to the normal use state, and the utility model has the effect of automatically restarting with a low potential. If the solar panel 10 fails to recharge the lithium battery pack 30 through the low-potential wake-up circuit 40 for a long time, the lithium battery pack 30 will be close to the state of no power. For further reference, as shown in FIG. 8, another technical means of the present invention is to connect one end of the zero potential relay 51 of the zero potential wake-up circuit 50 to the UPS system 52, and the zero potential relay 51 The other end is connected to the main control circuit 12, and the UPS system 52 detects that the lithium battery pack 30 is in the completely de-energized state, the dual contact relay 41 remains connected to the main contact 411 and the first contact 412, and The zero potential relay 51 is powered by the power stored in the UPS system 52, so that the UPS system 52 can wake up the BMS management system 31 (equivalently waking up the lithium battery pack 30), the controller 11 and the inverter 60. The recovery can be performed by the solar panel 10, and the zero potential relay 51 is turned off when the lithium battery pack 30 is charged to a certain amount of power, so that the low-potential wake-up circuit 40 can continue to eliminate the over-discharge protection state of the BMS management system 31. That is, the controller 11 and the lithium battery pack 30 can be automatically restarted in an unpowered state, and the utility model has the function of automatically waking up in two stages.

In summary, the present invention has indeed achieved a breakthrough structural design, and has improved invention content, and at the same time, can achieve industrial utilization and progress, and the present invention is not found in any publication, but also novel, when In accordance with the provisions of the relevant laws and regulations of the Patent Law, the application for invention patents is filed according to law, and the examination authority of the bureau is required to grant legal patent rights.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto; that is, the equivalent variations and modifications made by the scope of the present invention should still belong to the present invention. Within the scope of the patent.

Claims (10)

A mobile solar energy storage device includes: at least one solar panel connected to a controller (MPPT), and the controller is connected with a main control circuit and at least a constant current load, and the solar panel The power generation generates direct current, and the controller converts to the step-down direct current to provide the power demand of the direct current load; the lithium battery pack is connected to the BMS management system, and the lithium battery is dynamically monitored by the BMS management system. The pool group forms overcharge and overdischarge protection; a low potential wake-up circuit, the low potential wake-up circuit is provided with a double contact relay and a single contact relay, the double contact relay is provided with a main contact and a first contact And a second contact, wherein the main contact can switch between the first contact and the second contact, and the main contact is connected to the BMS management system, and the first contact is connected to the main control circuit And letting the controller maintain normal conduction with the BMS management system, and one end of the single contact relay is connected to the solar panel, and the other end of the single contact relay is connected to a second contact, when the double contact relay is connected to the main contact and the first contact, the single contact relay cuts off the low potential wake-up circuit, and the double contact relay connects the main contact with the The second contact relay turns on the low potential wake-up circuit; a zero potential wake-up circuit, the zero potential wake-up circuit is provided with a zero potential relay, and one end of the zero potential relay is connected to a UPS system, and the zero The other end of the potential relay is connected to the main control circuit, and when the lithium battery pack is completely de-energized, the dual contact relay remains connected to the main contact and the first contact, and is powered by the UPS system. a zero potential relay that enables the UPS system to wake up the BMS management system and the controller; and an inverter connected to the main control circuit, and the inverter directs the lithium battery pack The galvanic power is converted into alternating current, and at least one output connector is connected to the inverter for supplying an external alternating current load. The mobile solar energy storage device according to claim 1, wherein the inverter is further connected with an input connector, and the input connector is externally connected with AC power for conversion to DC power to provide the lithium battery. The charging of the group, and when the lithium battery pack is completely de-energized, the UPS system is used to restart the inverter and the BMS management system, so that the AC power conversion DC power is charged to the lithium battery pack. The mobile solar energy storage device according to claim 1, wherein the lithium battery is assembled in a box, and the box is fixed on a trailer frame, and the trailer frame is provided The plurality of wheels are used for towing, and the casing also provides the controller, the DC load, the low-potential wake-up circuit, the BMS management system, the UPS system, and the assembly accommodation of the inverter. The mobile solar energy storage device of claim 3, wherein the trailer frame has a retractable tow bar extending at one end thereof, and an auxiliary wheel is disposed at the towing bar The towing rod drives the trailer frame to move, and the four end corners of the trailer frame are equipped with a manual supporter and a top elevated frame, and the manual supporter can be extended to form a stable standing in situ, and the The overhead frame helps the direct height of the trailer frame to move. The mobile solar energy storage device according to claim 3, wherein the direct current load comprises a plurality of lighting fixtures, and the lighting fixture directly supplies 48V direct current by the controller, and the lighting fixture is installed The top end of the telescopic cylinder is fixed to the trailer frame, and the telescopic cylinder is provided with a cable puller, and the cable puller forms a telescopic control of the telescopic cylinder. The mobile solar energy storage device according to claim 3, wherein the trailer frame has a plurality of columns standing on a periphery of the casing, and the plurality of solar panels are assembled by the column. Above the box body, a pressure rod is arranged between the column and the solar panel, and the air rod can push the solar panel to form a flat plane. The mobile solar energy storage device according to claim 1, wherein the controller includes a transformer, and the transformer reduces the voltage to 12 VDC in a DC to DC state, and the DC load includes a monitoring And a transformer connected to the monitor system to provide power. The mobile solar energy storage device according to claim 7, wherein the monitor system serially connects a network sharer, a wireless router and a monitoring host, and is connected by the monitoring host. a transformer, the network sharer is configured to congest an image signal of the monitor system, and the image signal is transmitted to the monitoring host via the wireless router, and the wireless router is used to share the image signal by using the wireless router. The purpose of real-time monitoring. The mobile solar energy storage device according to claim 8, wherein the wireless router is further connected to a GPS system, and the GPS system is used to locate the GPS coordinates in which it is located. The mobile solar energy storage device according to claim 1, wherein the output connector of the inverter outputs 220V alternating current, and an electric vehicle is charged by the output connector.