Skid-mounted energy storage charging device

Abstract

The utility model relates to the field of charging devices, and discloses a skid-mounted energy storage charging device, which comprises a skid-mounted shell and a fixed base fixedly connected to the outer surface of the lower end of the skid-mounted shell, the outer surface of the front end of the skid-mounted shell is provided with a first mounting surface and a second mounting surface, and the first mounting surface is provided with a plurality of batteries PACK. According to the skid-mounted energy storage charging device provided by the utility model, the energy storage battery is utilized to solve the impact of a traditional charging pile on a power grid, the time shift of electric energy is realized, the peak load of a power supply area is reduced, the integration level is high, and local control realizes the integration of internal communication, control and protection of a system, and unifies data uploading interfaces and protocols; internal fire-fighting, battery and power distribution protection are linked, power distribution and a battery main loop switch can be automatically cut off when alarms and faults occur, the accident range is reduced to the minimum, the device is high in integration degree and convenient to move, and the problem that a traditional charging pile is not high in utilization rate can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the field of charging devices, and specifically relates to a skid-mounted energy storage charging device. Background Technique

[0002] With the continuous increase in the demand for new energy vehicles in China, the demand for charging piles has also been rapidly increasing. At present, the charging pile market in China has achieved the goal of "having", but has not yet achieved the "good" results of reasonable layout, perfect compatibility, convenience and high efficiency. At present, the distribution network capacity and management mode in China cannot adapt to the rapid growth of electric vehicles.

[0003] With the popularization of new energy vehicles, the demand for the intelligentization and capacity upgrade of future urban distribution networks will continue to grow, and it will gradually become the main investment direction of the distribution network. How to realize the direct power supply of the power grid to the charging piles, solve the problem of scattered application for installation, and meet the charging and emergency power supply needs of users in special application scenarios such as limited distribution capacity has become an important problem to be solved urgently in the deployment of charging facilities. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a skid-mounted energy storage charging device, which has the advantages of good practicability and convenient movement to solve the above problems.

[0006] (2) Technical Solutions

[0007] 8. To achieve the above object, the utility model provides the following technical solutions: A skid-mounted energy storage charging device includes a skid-mounted housing, and a fixed base fixedly connected to the outer surface of the lower end of the skid-mounted housing. The outer surface of the front end of the skid-mounted housing is provided with a first mounting surface and a second mounting surface.

[0008] The first mounting surface is provided with

[0009] a plurality of battery PACKs;

[0010] a high-voltage box, which is arranged at the lower end of the battery PACK;

[0011] an energy storage inverter, which is arranged at the lower end of the high-voltage box;

[0012] a power distribution system, which is arranged at the lower end of the energy storage inverter;

[0013] The second mounting surface is provided with

[0014] two DC converters;

[0015] a control module, which is arranged at the lower end of the DC converter;

[0016] a power module, which is arranged at the lower end of the control module.

[0017] Preferably, a main control board, a human-machine interaction screen, a fire detector, a DCDC converter, a PCS converter, a BMS1 module, a BMS2 module, and a monitoring device are further arranged inside the skid-mounted housing.

[0018] Preferably, a card reader, a charging gun, a charging seat, and a wireless communication device are arranged on the left outer surface of the skid-mounted housing.

[0019] Preferably, an air-cooled air conditioner is installed on the front outer surface of the battery PACK, and the size of the battery PACK is adapted to that of the air-cooled air conditioner.

[0020] Preferably, the main control board, the card reader, the charging gun, the charging seat, the DCDC converter, the BMS1 module, and the BMS2 module are connected by a CAN line.

[0021] Preferably, the main control board, the PCS converter, the card reader, the wireless communication device, and the human-machine interaction screen are connected by a 485 line.

[0022] Preferably, the charging gun can be connected to an electric vehicle through a CAN line, and the charging seat can be connected to the charging seat through a CAN line.

[0023] (III) Beneficial effects

[0024] Compared with the prior art, the present utility model provides a skid-mounted energy storage charging device, which has the following beneficial effects:

[0025] This skid-mounted energy storage charging device uses an energy storage battery to solve the impact on the power grid caused by traditional charging piles, realizes the time shift of electric energy, reduces the peak load of the power supply substation area, has a high integration degree, and realizes the integration of internal communication, control, and protection through local control, with a unified data upload interface and protocol; internal fire protection, battery, and power distribution protection are linked, and in case of an alarm or a fault, the power distribution and battery main circuit switches can be automatically cut off internally, reducing the accident range to the lowest level. The high integration degree of the device facilitates movement and can effectively solve the problem of low utilization rate of traditional charging piles. Description of the drawings

[0026] Figure 1 It is a structural schematic diagram of a skid-mounted energy storage charging device of the present utility model;

[0027] Figure 2 It is a front structural schematic diagram of a skid-mounted energy storage charging device of the present utility model;

[0028] Figure 3 It is a communication block diagram of a skid-mounted energy storage charging device of the present utility model.

[0029] In the figure: 1. Skid-mounted housing; 2. Fixed base; 3. Air-cooled air conditioner; 4. High-voltage box; 5. Energy storage inverter; 6. Power distribution system; 7. Control module; 8. Power module; 9. DC converter; 10. Battery PACK. Detailed implementation mode

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0031] Please refer to Figures 1-3 , a skid-mounted energy storage charging device, including a skid-mounted housing 1 and a fixed base 2 fixedly connected to the outer surface of the lower end of the skid-mounted housing 1. The outer surface of the front end of the skid-mounted housing 1 is provided with a first mounting surface and a second mounting surface.

[0032] The first mounting surface is provided with

[0033] Multiple battery PACKs 10;

[0034] A high-voltage box 4 is arranged at the lower end of the battery PACK 10;

[0035] An energy storage inverter 5 is arranged at the lower end of the high-voltage box 4;

[0036] A power distribution system 6 is arranged at the lower end of the energy storage inverter 5;

[0037] The second mounting surface is provided with

[0038] Two DC converters 9;

[0039] A control module 7 is arranged at the lower end of the DC converter 9;

[0040] A power module 8 is arranged at the lower end of the control module 7;

[0041] An air-cooled air conditioner 3 is installed on the outer surface of the front end of the battery PACK 10, and the size of the battery PACK 10 is adapted to that of the air-cooled air conditioner 3;

[0042] The skid-mounted energy storage charging device includes a skid-mounted housing 1, a battery pack, a battery management system, an energy storage inverter 5, a DC converter 9, a charging gun, etc. The system adopts an air-cooled temperature control system, can accommodate 70 kWh of electric energy, and can provide 60 kW of DC output power externally.

[0043] Inside the skid-mounted housing 1, there are also a main control board, a human-machine interaction screen, a fire detector, a DCDC converter, a PCS converter, a BMS1 module, a BMS2 module, and a monitoring device. On the left outer surface of the skid-mounted housing 1, there are a card reader, a charging gun, a charging seat, and a wireless communication device. An air-cooled air conditioner 3 is installed on the front outer surface of the battery PACK10, and the size of the battery PACK10 is adapted to that of the air-cooled air conditioner 3. The main control board, the card reader, the charging gun, the charging seat, the DCDC converter, the BMS1 module, and the BMS2 module are connected by a CAN line. The main control board, the PCS converter, the card reader, the wireless communication device, and the human-machine interaction screen are connected by a 485 line. The charging gun can be connected to an electric vehicle through a CAN line, and the charging seat can be connected to a charging seat through a CAN line.

[0044] There is a monitoring system inside, which is connected to the battery management system BMS, the energy storage inverter 5, the DC converter 9, the air-cooled air conditioner 3, the fire protection and environmental control, etc. The local controller uploads data uniformly using the IEC104 communication protocol to achieve a high degree of integration of device unit communication and internal local control and protection. The system can not only charge electric vehicles, but also directly connect to the power grid through the energy storage bidirectional inverter when there is no charging demand, perform peak shaving and valley filling to increase the capacity of the transformer substation, effectively relieve the power shortage situation, and at the same time has a power protection function. By adding a static transfer switch, uninterrupted power supply for important loads can be achieved, which is suitable for various application scenarios such as power protection for important occasions and meetings, emergency power supply, and improving power supply capacity and quality.

[0045] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A skid-mounted energy storage charging device, comprising a skid-mounted housing (1), and a fixed base (2) fixedly connected to the outer surface of the lower end of the skid-mounted housing (1), characterized in that: The front end outer surface of the skid-mounted housing (1) is provided with a first mounting surface and a second mounting surface. The first mounting surface is provided with: A plurality of battery PACKs (10); A high voltage box (4) is provided at the lower end of the battery PACK (10); An energy storage converter (5) is arranged at the lower end of the high-voltage box (4); A power distribution system (6) is provided at the lower end of the energy storage converter (5); The second mounting surface is provided with: Two DC converters (9); A control module (7) disposed at the lower end of the DC converter (9); A power module (8) is arranged at the lower end of the control module (7).

2. A skid-mounted energy storage charging device according to claim 1, characterized in that: The skid-mounted housing (1) is also provided with a main control panel, a human-machine interaction screen, a fire detector, a DCDC converter, a PCS converter, a BMS1 module, a BMS2 module, and a monitoring device.

3. A skid-mounted energy storage charging device according to claim 1, characterized in that: The left outer surface of the skid-mounted housing (1) is provided with a card reader, a charging gun, a charging seat, and a wireless communication device.

4. A skid-mounted energy storage charging device according to claim 1, characterized in that: An air-cooling air conditioner (3) is installed on the front outer surface of the battery PACK (10), and the size of the battery PACK (10) is compatible with the air-cooling air conditioner (3).

5. The skid-mounted energy storage charging device according to claim 2, characterized in that: The main control board, the card reader, the charging gun, the charging base, the DCDC converter, the BMS1 module and the BMS2 module are connected via a CAN line.

6. A skid-mounted energy storage charging device according to claim 2, characterized in that: The main control board, PCS converter, card reader, wireless communication device and human-computer interaction screen are connected through 485 lines.

7. The skid-mounted energy storage charging device according to claim 5, characterized in that: The charging gun can be connected to the electric vehicle via a CAN line, and the charging seat can be connected to the charging seat via a CAN line.

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