Mobile energy storage power supply device

By designing a mobile energy storage power supply device and utilizing a combination of a charger and inverter, the problem of lack of mains electricity at construction sites and field locations is solved, providing a green, environmentally friendly, low-noise power supply solution that meets high-power electricity demands and achieves zero emissions and stable power supply.

CN223472073UActive Publication Date: 2025-10-24WEIHAI GUANGTAI AIRPORT EQUIP CO LTD
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Patent Information

Application Number
CN202422916512.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-24
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Construction sites and field operations lack mains electricity or have insufficient mains distribution capacity, making it impossible to use high-power electrical equipment. Existing fuel-fired generators also have problems with high power consumption, loud noise, and severe pollution.

Method used

A mobile energy storage power supply device is designed, including a charger, an energy storage cabin and an inverter. The energy storage cabin is equipped with an energy storage battery. The charger charges the energy storage battery, and the inverter converts direct current into alternating current for power supply. The device is green, environmentally friendly, zero-emission, and low-noise, and is suitable for construction sites and field locations.

Benefits of technology

It provides a green, environmentally friendly, low-noise solution that can supply power to construction sites and field locations when there is no mains power or when the mains power is insufficient, meeting high-power power demands and achieving zero emissions and stable power supply.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a mobile energy storage power supply device, which comprises a charger, a mobile energy storage square cabin and an inverter, an energy storage battery is arranged in the energy storage square cabin, the charger charges the energy storage battery through a charging interface of the energy storage square cabin, the energy storage battery is connected with the inverter through a discharging interface of the energy storage square cabin, and the inverter is connected with the mobile energy storage square cabin. The utility model has the advantages of solving the problem of field action or construction site electricity utilization, being green and environment-friendly and the like.
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Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage technical field, specifically a kind of mobile energy storage power supply device. BACKGROUND

[0002] At present, many construction sites exist such situation, on the one hand, high-power electrical equipment is needed, on the other hand, there is no power or there is power but power distribution capacity is insufficient, for example, some construction sites, high-power electrical equipment such as lift, tower crane is needed during construction, but there is no power on site, and some field operation projects, there is no power available.

[0003] The most common method to solve this problem at present is to configure high-power oil generator set, which has the following shortcomings: high power consumption, high noise, emissions will cause environmental pollution, and needs regular maintenance, such power supply equipment is inconvenient to use, and does not have the characteristics of green environmental protection. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the deficiency of the prior art, and provides a mobile energy storage power supply device for solving the use of high-power electrical equipment in field operation or construction site and the lack of power supply on site.

[0005] The utility model solves the technical scheme as follows:

[0006] A kind of mobile energy storage power supply device, characterized by: including charger, mobile energy storage shelter and inverter, energy storage battery is arranged in the energy storage shelter, the charger is charged to energy storage battery through the charging interface of energy storage shelter, the energy storage battery is connected with inverter through the discharge interface of energy storage shelter;

[0007] Charger is used to charge energy storage battery in energy storage shelter, and the charged energy storage shelter can be moved to site, and direct current is converted into alternating current by inverter to supply power to on-site equipment, which can be widely used in construction site, field and other places, solve the problem of lack of power or power distribution capacity of power on site, green environmental protection, zero emission, low noise.

[0008] The energy storage shelter is provided with charging interface 1 and discharge interface 1, the positive electrode of the charging interface 1 of the energy storage shelter is connected with the positive electrode of the energy storage battery through relay, and the negative electrode of the charging interface 1 of the energy storage shelter is connected with the negative electrode of the energy storage battery through relay.

[0009] The positive electrode of the energy storage battery is connected with the positive electrode of the discharge interface 1 of the energy storage shelter through relay, and the negative electrode of the energy storage battery is connected with the negative electrode of the discharge interface 1 of the energy storage shelter through relay.

[0010] The utility model discloses a high voltage junction box and branch box are equipped in the energy storage square cabin, the charging interface 1 positive pole of energy storage square cabin is connected with the positive pole of energy storage battery through the input terminal 1 of high voltage junction box, relay, the charging interface 1 negative pole of energy storage square cabin is connected with the negative pole of energy storage battery through the input terminal 2 of high voltage junction box, relay,

[0011] The positive pole of the energy storage battery is connected with the input terminal 1 of the branch box through the output terminal 1 of the relay and the high voltage junction box, the negative pole of the energy storage battery is connected with the input terminal 2 of the branch box through the output terminal 2 of the relay and the high voltage junction box, the input terminal 1 of the branch box is connected with the output terminal 1 of the branch box through the contactor, the input terminal 2 of the branch box is connected with the output terminal 2 of the branch box through the contactor, the output terminal 1 of the branch box is connected with the positive pole of the discharge interface 1 of the energy storage square cabin, and the output terminal 2 of the branch box is connected with the negative pole of the discharge interface 1 of the energy storage square cabin.

[0012] The positive pole of the energy storage battery is connected with the input terminal 3 of the branch box through the output terminal 3 of the relay and the high voltage junction box, the input terminal 3 of the branch box is connected with the input terminal 1 of the branch box, the negative pole of the energy storage battery is connected with the input terminal 4 of the branch box through the output terminal 4 of the relay and the high voltage junction box, and the input terminal 4 of the branch box is connected with the input terminal 2 of the branch box.

[0013] The utility model discloses a charging machine output end is equipped with at least one charging gun or charging seat,

[0014] The energy storage square cabin is further provided with a charging interface 2, the positive pole of the charging interface 2 of the energy storage square cabin is connected with the positive pole of the energy storage battery through the input terminal 3 of the high voltage junction box and the relay, and the negative pole of the charging interface 2 of the energy storage square cabin is connected with the negative pole of the energy storage battery through the input terminal 4 of the high voltage junction box and the relay.

[0015] Multiple charging interfaces are arranged, the charging speed is improved, and the charging efficiency is ensured.

[0016] The utility model discloses an energy storage square cabin is further provided with a discharge interface 2, the output terminal 3 of the branch box is connected with the output terminal 1 of the branch box in parallel and is connected with the positive pole of the discharge interface 2 of the energy storage square cabin, the output terminal 4 of the branch box is connected with the output terminal 2 of the branch box and is connected with the negative pole of the discharge interface 2 of the energy storage square cabin.

[0017] The utility model discloses an energy storage square cabin is equipped with low voltage control box, processor module, relay module and detection module, and the energy storage battery provides power supply for processor module and relay module through low voltage control box.

[0018] The processor module is connected with the relay module, and the processor module detects the energy storage battery through the detection module.

[0019] The relay module is connected with the operation panel; the processor module is connected with the display; the operation panel can be used to control the charging and discharging of the energy storage shelter, and the display displays the energy storage battery parameters and the working state of the energy storage shelter.

[0020] The inverter is provided with an input interface 1, a power distribution module, a power module, a transformer and an output interface, a positive pole of the input interface 1 of the inverter is connected with the input end positive pole of the power module through a DC input contactor and a diode in one way, and is connected with the input end positive pole of the power module through a DC input contactor and a power distribution module in another way, and a negative pole of the input interface 1 of the inverter is connected with the input end negative pole of the power module.

[0021] The output end of the power module is connected with the input end of the transformer, and the output end of the transformer is connected with the output interface of the inverter through an AC output contactor.

[0022] The inverter is provided with an input interface 3, a positive pole of the input interface 3 of the inverter is connected with the input end positive pole of the power module through a DC input contactor and a diode in one way, and is connected with the input end positive pole of the power module through a DC input contactor and a power distribution module in another way, and a negative pole of the input interface 3 of the inverter is connected with the input end negative pole of the power module.

[0023] The inverter is provided with an input interface 3, a positive pole of the input interface 3 of the inverter is connected with the input end positive pole of the power module through a DC input contactor and a diode in one way, and is connected with the input end positive pole of the power module through a DC input contactor and a power distribution module in another way, and a negative pole of the input interface 3 of the inverter is connected with the input end negative pole of the power module.

[0024] The inverter is provided with an input interface 2, the input interface 2 of the inverter is connected with the input interface 1 of the inverter in parallel, the positive pole of the input interface 2 of the inverter is connected with the positive pole of the input interface 1 of the inverter, and the negative pole of the input interface 2 of the inverter is connected with the negative pole of the input interface 2 of the inverter.

[0025] The inverter is provided with an input interface 4, the input interface 4 of the inverter is connected with the input interface 3 of the inverter in parallel, the positive pole of the input interface 4 of the inverter is connected with the positive pole of the input interface 3 of the inverter, and the negative pole of the input interface 4 of the inverter is connected with the negative pole of the input interface 3 of the inverter.

[0026] The inverter includes an interface module, a processor module, a relay module and a detection module, the input interface of the inverter provides power supply for the processor module and the relay module through the interface module, the processor module is connected with the relay module, and the processor module detects the power module through the detection module.

[0027] The relay module is connected with an operation panel, and the processor module is connected with a display; the inverter output can be controlled through the operation panel, and the display displays the inverter parameters and working state.

[0028] The utility model discloses a beneficial effect is: the charger is used to charge the energy storage battery in the energy storage shelter, and the energy storage shelter after charging can be moved to the scene, and the direct current is converted into alternating current through the inverter and is supplied to the on -the -spot equipment, can be widely used in construction site, field and place, solve the problem that there is no city electricity or city electricity distribution capacity is insufficient on the scene, green environmental protection, zero emission, low noise. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is the electrical principle diagram of the utility model.

[0030] Figure 2 It is the electrical principle diagram of the energy storage shelter module.

[0031] Figure 3 It is the electrical principle diagram of the inverter module.

[0032] Photovoltaic power station-1;

[0033] Charger-2;

[0034] Energy storage shelter-3, charging interface 1-X1, charging interface 2-X2, discharge interface 1-X3, discharge interface 2-X4, high voltage junction box-A1, branch box-A2, low voltage control box-A3, detection module one-A4, display one-A5, relay module one-A6, operation panel one-A7, processor module one-A8, contactor-K1 / K2, relay-K11 / K12 / K13 / K14 / K15 / K16 / K17;

[0035] Energy storage battery-4;

[0036] Inverter-5, input interface 1-X5, input interface 2-X6, input interface 3-X7, input interface 4-X8, power module-A9, interface module-A10, relay module two-A11, processor module two-A12, detection module two-A13, display two-A14, operation panel two-A15, transformer-T1, direct current input contactor-K4 / K5 / K7 / K8, alternating current output contactor-K9, diode-V1 / V2. DETAILED DESCRIPTION

[0037] The utility model will be described below in connection with the drawings and examples.

[0038] As shown in the drawings, a mobile energy storage power supply device comprises a charger 2, a mobile energy storage shelter 3 and an inverter 5. The input end of the charger 2 is connected with a photovoltaic power station or a power frequency power distribution room. In this embodiment, the input end of the charger 2 is connected with 50Hz power frequency power supply. The output end of the charger 2 is provided with at least one charging gun or charging seat. In this embodiment, two charging guns are arranged at the output end of the charger 2.

[0039] The energy storage shelter 3 is installed on a mobile chassis, facilitating the movement of the energy storage shelter. The energy storage battery 4 is arranged in the energy storage shelter 3. The charger 2 charges the energy storage battery 4 through the charging interface of the energy storage shelter 3. The energy storage battery 4 is connected with the inverter 5 through the discharging interface of the energy storage shelter 3.

[0040] The charger 2 is used for charging the energy storage battery 4 in the energy storage shelter 3. The charged energy storage shelter 3 can be moved to the site. The direct current is converted into alternating current by the inverter 5 to supply power to the on-site equipment. It can be widely used in construction sites, fields and other places, solving the problem of no power supply or insufficient power distribution capacity in the site, and being green, environmentally friendly, zero emission and low noise.

[0041] The energy storage shelter 3 is provided with a direct current charging interface 1 X1 and a discharging interface 1 X3. The positive electrode of the charging interface 1 X1 of the energy storage shelter 3 is connected with the positive electrode of the energy storage battery 4 through the relay K11. The negative electrode of the charging interface 1 X1 of the energy storage shelter 3 is connected with the negative electrode of the energy storage battery 4 through the relay K13.

[0042] The positive electrode of the energy storage battery 4 is connected with the positive electrode of the discharging interface 1 X3 of the energy storage shelter 3 through the relay K15. The negative electrode of the energy storage battery 4 is connected with the negative electrode of the discharging interface 1 X3 of the energy storage shelter 3 through the relay K17.

[0043] In this embodiment, the energy storage shelter 3 is provided with a high-voltage junction box A1 and a distribution box A2. The positive electrode of the charging interface 1 X1 of the energy storage shelter 3 is connected with the positive electrode of the energy storage battery 4 through the input terminal 1 of the high-voltage junction box A1 and the relay K11 in the high-voltage junction box. The negative electrode of the charging interface 1 X1 of the energy storage shelter 3 is connected with the negative electrode of the energy storage battery 4 through the input terminal 2 of the high-voltage junction box A1 and the relay K13.

[0044] The energy storage shelter 3 is also provided with a direct current charging interface 2 X2. The positive electrode of the charging interface 2 X2 of the energy storage shelter 3 is connected with the positive electrode of the energy storage battery 4 through the input terminal 3 of the high-voltage junction box A1 and the relay K12. The negative electrode of the charging interface 2 X2 of the energy storage shelter 3 is connected with the negative electrode of the energy storage battery 4 through the input terminal 4 of the high-voltage junction box A1 and the relay K14. Multiple charging interfaces are arranged to improve the charging speed and ensure the charging efficiency.

[0045] The positive pole of the energy storage battery 4 is connected with the input terminal 1 of the branch box A2 through the output terminal 1 of the high-voltage junction box A1 and the relay K15, and the negative pole of the energy storage battery 4 is connected with the input terminal 2 of the branch box A2 through the output terminal 2 of the high-voltage junction box A1 and the relay K17.

[0046] The positive pole of the energy storage battery 4 is connected with the input terminal 3 of the branch box A2 through the output terminal 3 of the high-voltage junction box A1 and the relay K16, and the input terminal 3 of the branch box is connected with the input terminal 1 of the branch box, and the negative pole of the energy storage battery 4 is connected with the input terminal 4 of the branch box A2 through the output terminal 4 of the high-voltage junction box A1 and the relay K17, and the input terminal 4 of the branch box A2 is connected with the input terminal 2 of the branch box A2.

[0047] The input terminal 1 of the branch box A2 is connected with the output terminal 1 of the branch box A2 through the contactor K1, the input terminal 2 of the branch box A2 is connected with the output terminal 2 of the branch box A2 through the contactor K2, the output terminal 1 of the branch box A2 is connected with the positive pole of the discharge interface 1 X3 of the energy storage shelter 3, and the output terminal 2 of the branch box A2 is connected with the negative pole of the discharge interface 1 X3 of the energy storage shelter 3.

[0048] The energy storage shelter 3 is further provided with a discharge interface 2 X4, the output terminal 3 of the branch box A2 is connected with the output terminal 1 of the branch box A2 and the positive pole of the discharge interface 2 X4 of the energy storage shelter, and the output terminal 4 of the branch box A2 is connected with the output terminal 2 of the branch box A2 and the negative pole of the discharge interface 2 X4 of the energy storage shelter 3.

[0049] In this embodiment, three groups of energy storage batteries are arranged in parallel, and each group includes four battery boxes connected in series. The number of battery boxes and the series-parallel connection mode are not limited to this and can be set according to actual needs.

[0050] The energy storage shelter 3 is provided with a low-voltage control box A3, a processor module A8, a relay module A6 and a detection module A4, the energy storage battery 4 provides power for the processor module A8 and the relay module A6 through the low-voltage control box A3, and the relay module A6 is used for controlling the opening and closing of the relays K11, K12, K13, K14, K15, K16 and K17 and the opening and closing of the contactors K1 and K2.

[0051] The processor module A8 is connected with the relay module A6, the processor module A8 can send a control instruction to indicate the relay module A6 to control the opening and closing of the related relays and contactors, the processor module A8 sends a control instruction to indicate the detection module A4 to detect the energy storage battery 4, detect the battery parameters and sampling, and the detection module A4 feeds back the detected information to the processor module A8.

[0052] The relay module A6 is connected with the operation panel A7, and the processor module A8 is connected with the display A5; the relay module A6 can be operated and controlled through the operation panel A7 to control the charging and discharging action of the energy storage shelter, and the display A5 displays the parameters of the energy storage battery 4 and the working state of the energy storage shelter 3.

[0053] The inverter 5 is provided with an input interface 1 X5, a power distribution module, a power module A9, a transformer T1 and an output interface; the positive electrode of the input interface 1 X5 of the inverter 5 is connected with the input end positive electrode of the power module A9 through a direct current input contactor K4 and a diode V1, and the other positive electrode is connected with the input end positive electrode of the power module A9 through a direct current input contactor K5 and a power distribution module; the negative electrode of the input interface 1 X5 of the inverter 5 is connected with the input end negative electrode of the power module A9.

[0054] The output end of the power module A9 is connected with the input end of the transformer T1, and the output end of the transformer T1 is connected with the output interface of the inverter 5 through an alternating current output contactor K9.

[0055] The inverter 5 is also provided with an input interface 2 X6 in this embodiment; the input interface 2 X6 of the inverter 5 is connected in parallel with the input interface 1 X5 of the inverter 5; the positive electrode of the input interface 2 X6 of the inverter 5 is connected with the positive electrode of the input interface 1 X5 of the inverter 5, and the negative electrode of the input interface 2 X6 of the inverter 5 is connected with the negative electrode of the input interface 2 X6 of the inverter 5.

[0056] The input interface 1 X5 of the inverter 5 is connected with the discharge interface 1 X3 of the energy storage shelter, and the input interface 2 X6 of the inverter 5 is connected with the discharge interface 2 X4 of the energy storage shelter.

[0057] The inverter 5 is also provided with an input interface 3 X7; the positive electrode of the input interface 3 X7 of the inverter 5 is connected with the input end positive electrode of the power module A9 through a direct current input contactor K7 and a diode V2, and the other positive electrode is connected with the input end positive electrode of the power module A9 through a direct current input contactor K7, a direct current input contactor K8 and a power distribution module; the negative electrode of the input interface 3 X7 of the inverter 5 is connected with the input end negative electrode of the power module A9.

[0058] The inverter 5 is also provided with an input interface 4 X8; the input interface 4 X8 of the inverter 5 is connected in parallel with the input interface 3 X7 of the inverter 5; the positive electrode of the input interface 4 X8 of the inverter 5 is connected with the positive electrode of the input interface 3 X7 of the inverter 5, and the negative electrode of the input interface 4 X8 of the inverter 5 is connected with the negative electrode of the input interface 3 X7 of the inverter 5.

[0059] In this embodiment, the input interface 1 X5 and the input interface 2 X6 of the inverter are used as a group, the input interface 3 X7 and the input interface 4 X8 are used as another group, the input interface 3 X7 and the input interface 4 X8 can be used as a standby power interface, when the energy storage shelter in normal work is insufficient, the standby power interface of the inverter is connected with the discharge interface of the standby energy storage shelter, and uninterrupted power supply is realized.

[0060] In this embodiment, the input interface 1 X5, the input interface 2 X6, the input interface 3 X7 and the input interface 4 X8 of the inverter are respectively connected with a national standard charging gun or a charging seat, the national standard charging gun is used in this embodiment, two national standard charging guns in each group are connected in parallel, one group is used as a normal working power interface and is matched with the discharge interface 1 X3 and the discharge interface 2 X4 of the energy storage shelter, and the other group is used as a standby power interface, when the energy storage shelter in normal work is insufficient, the standby energy storage shelter can be inserted into the discharge interface, and the uninterrupted power supply function is realized.

[0061] The inverter 5 includes an interface module A10, a processor module two A12, a relay module two A11 and a detection module two A13, the input interface of the inverter 5 provides power supply for the processor module two A12 and the relay module two A11 through the interface module A10, the processor module two A12 is connected with the relay module two A11, the processor module two A12 can send a control instruction to indicate that the relay module two A11 controls the opening and closing of the related contactor, the processor module two A12 sends a control instruction to indicate that the detection module two A13 detects the power module A9, detects the inverter parameters and samples, and the detection module two A13 feeds back the detected information to the processor module two A12.

[0062] The relay module two A11 is connected with an operation panel two A15, and the processor module two A12 is connected with a display two A16; the relay module two A11 can be operated and controlled through the operation panel two A15, so as to control the output of the inverter 5, and the display two A16 displays the parameters and working state of the inverter 5.

[0063] In this embodiment, the energy storage shelter is provided with two charging interfaces and two discharge interfaces, and the inverter is provided with four input interfaces, and the specific interface settings of the energy storage shelter and the inverter are not limited to this, and can be set according to actual use needs.

[0064] When the utility model is used:

[0065] 1. The charger input is connected to 50Hz AC mains power. The charger can charge the energy storage cabin with either single or dual charging guns. In this embodiment, the two national standard charging guns at the charger output are respectively inserted into the energy storage cabin's charging port 1 X1 and charging port 2 X2. Relay module A6 controls relays K11, K12, K13, and K14 to close, and relays K15 and K16 to disconnect. The energy storage battery 4 in the energy storage cabin is charged by the charger.

[0066] 2. After the energy storage battery 4 is charged, when the on-site equipment needs power, the energy storage cabin is moved to the site via the mobile chassis. The charging gun of the inverter input interface 1 X5 is inserted into the discharge interface 1 X3 of the energy storage cabin, and the charging gun of the input interface 2 X6 is inserted into the discharge interface 2 X4 of the energy storage cabin. Relay module 1 A6 controls contactors K1 and K2 to close, and the output interface of the inverter is connected to the on-site equipment. The inverter converts DC power into AC power and provides 50Hz, 380V AC power to the on-site equipment. During normal power supply, relay module 2 A11 controls DC input contactors K4 and K5 to close, DC input contactors K7 and K8 to open, and AC output contactor K9 to close, supplying power to the power module.

[0067] 3. When the energy storage battery in the energy storage cabin is low on power, in order to achieve uninterrupted power supply, the charging gun of the inverter input interface 3X7 is inserted into the discharge interface 1 of the backup energy storage cabin, and the charging gun of the input interface 4X8 is inserted into the discharge interface 2 of the backup energy storage cabin. Relay module 2 A11 controls the DC input contactors K7 and K8 to close in sequence, so that the two energy storage cabins are powered in parallel. Then, the DC input contactors K5 and K4 are opened in sequence to achieve uninterrupted conversion.

Claims

1. A mobile energy storage power supply device, characterized by: The application relates to a charging machine, a mobile energy storage shelter and an inverter, wherein an energy storage battery is arranged in the energy storage shelter, the charging machine charges the energy storage battery through a charging interface of the energy storage shelter, and the energy storage battery is connected with the inverter through a discharging interface of the energy storage shelter.

2. The mobile energy storage power supply unit of claim 1, wherein: The energy storage shelter is provided with a charging interface 1 and a discharging interface 1; the positive pole of the charging interface 1 of the energy storage shelter is connected with the positive pole of the energy storage battery through a relay; and the negative pole of the charging interface 1 of the energy storage shelter is connected with the negative pole of the energy storage battery through a relay. The positive pole of the energy storage battery is connected with the positive pole of the discharging interface 1 of the energy storage shelter through a relay; and the negative pole of the energy storage battery is connected with the negative pole of the discharging interface 1 of the energy storage shelter through a relay.

3. The mobile energy storage power supply unit of claim 2, wherein: The energy storage shelter is provided with a high-voltage junction box and a distribution box; the positive pole of the charging interface 1 of the energy storage shelter is connected with the positive pole of the energy storage battery through an input terminal 1 of the high-voltage junction box, a relay and the negative pole of the energy storage battery; and the negative pole of the charging interface 1 of the energy storage shelter is connected with the negative pole of the energy storage battery through an input terminal 2 of the high-voltage junction box, a relay and the negative pole of the energy storage battery. The positive pole of the energy storage battery is connected with an input terminal 1 of the distribution box through an output terminal 1 of the high-voltage junction box, a relay and the input terminal 1; the negative pole of the energy storage battery is connected with an input terminal 2 of the distribution box through an output terminal 2 of the high-voltage junction box, a relay and the input terminal 2; the input terminal 1 of the distribution box is connected with an output terminal 1 of the distribution box through a contactor; the input terminal 2 of the distribution box is connected with an output terminal 2 of the distribution box through a contactor; the output terminal 1 of the distribution box is connected with the positive pole of the discharging interface 1 of the energy storage shelter; and the output terminal 2 of the distribution box is connected with the negative pole of the discharging interface 1 of the energy storage shelter.

4. The mobile energy storage power supply unit of claim 3, wherein: The positive pole of the energy storage battery is connected with an input terminal 3 of the distribution box through an output terminal 3 of the high-voltage junction box, a relay and the input terminal 3; the input terminal 3 of the distribution box is connected with the input terminal 1 of the distribution box; the negative pole of the energy storage battery is connected with an input terminal 4 of the distribution box through an output terminal 4 of the high-voltage junction box, a relay and the input terminal 4; and the input terminal 4 of the distribution box is connected with the input terminal 2 of the distribution box.

5. A mobile energy storage power supply device according to claim 3 or 4, characterized in that: The output end of the charging machine is provided with at least one charging gun or charging seat. The energy storage shelter is further provided with a charging interface 2; the positive pole of the charging interface 2 of the energy storage shelter is connected with the positive pole of the energy storage battery through an input terminal 3 of the high-voltage junction box, a relay and the negative pole of the energy storage battery; and the negative pole of the charging interface 2 of the energy storage shelter is connected with the negative pole of the energy storage battery through an input terminal 4 of the high-voltage junction box, a relay and the negative pole of the energy storage battery.

6. A mobile energy storage power supply device according to claim 3 or 4, characterized in that: The energy storage shelter is further provided with a discharging interface 2; an output terminal 3 of the distribution box is connected with an output terminal 1 of the distribution box and the positive pole of the discharging interface 2 of the energy storage shelter; and an output terminal 4 of the distribution box is connected with an output terminal 2 of the distribution box and the negative pole of the discharging interface 2 of the energy storage shelter.

7. A mobile energy storage power supply device according to claim 1 or 2 or 3 or 4, characterized in that: The energy storage shelter is provided with a low-voltage control box, a processor module, a relay module and a detection module; the energy storage battery provides power supply for the processor module and the relay module through the low-voltage control box. The processor module is connected with the relay module; and the processor module detects the energy storage battery through the detection module.

8. The mobile energy storage power supply device according to claim 7, characterized in that: The relay module is connected with an operation panel; and the processor module is connected with a display.

9. A mobile energy storage power supply device according to claim 1 or 2 or 3 or 4 or 8, characterized in that: The inverter is provided with an input interface 1, a power distribution module, a power module, a transformer and an output interface. The positive pole of the input interface 1 of the inverter is connected to the positive pole of the input terminal of the power module through a DC input contactor and a diode, and the other pole is connected to the positive pole of the input terminal of the power module through a DC input contactor and a power distribution module. The negative pole of the input interface 1 of the inverter is connected to the negative pole of the input terminal of the power module; The output end of the power module is connected to the input end of the transformer, and the output end of the transformer is connected to the output interface of the inverter via an AC output contactor.

10. The mobile energy storage power supply device of claim 9, wherein: The inverter is also provided with an input interface 3. The positive pole of the input interface 3 of the inverter is connected to the positive pole of the input end of the power module through the DC input contactor and the diode, and the other pole is connected to the positive pole of the input end of the power module through the DC input contactor and the power distribution module. The negative pole of the input interface 3 of the inverter is connected to the negative pole of the input end of the power module.

11. The mobile energy storage power supply device of claim 9, wherein: The inverter is further provided with an input interface 2, which is connected in parallel with the input interface 1 of the inverter. The positive pole of the inverter input interface 2 is connected to the positive pole of the inverter input interface 1, and the negative pole of the inverter input interface 2 is connected to the negative pole of the inverter input interface 2.

12. The mobile energy storage power supply device of claim 10, wherein: The inverter is further provided with an input interface 4 , which is connected in parallel with the input interface 3 of the inverter. The positive pole of the inverter input interface 4 is connected to the positive pole of the inverter input interface 3 , and the negative pole of the inverter input interface 4 is connected to the negative pole of the inverter input interface 3 .

13. The mobile energy storage power supply device of claim 9, wherein: The inverter includes an interface module, a processor module, a relay module and a detection module. The inverter input interface provides power to the processor module and the relay module through the interface module. The processor module is connected to the relay module. The processor module detects the power module through the detection module.

14. The mobile energy storage power supply device of claim 13, wherein: The relay module of the inverter is connected to the operation panel of the inverter, and the processor module of the inverter is connected to the display of the inverter.