Wind and light storage integrated device

Abstract

The utility model relates to the technical field of power generation and energy storage, in particular to a wind-solar-energy storage integrated device, which comprises a mounting pry, a wind-solar MPPT (maximum power point tracking) module, an AC-DC unidirectional inverter and an energy storage module. A junction box module is arranged on the mounting pry and is used for connecting a wind driven generator, a photovoltaic module, a mains supply and a user load; the wind-light MPPT module is arranged in the mounting pry, and the wind-light MPPT module is electrically connected with the junction box module; the AC / DC one-way inverter is arranged in the mounting pry and is electrically connected with the wind-solar MPPT module; and the energy storage module is arranged in the mounting pry and is electrically connected with the wind-solar MPPT module. The utility model has the advantages that a plurality of modules are arranged in the mounting pry to form an integrated device, so that the transportation and deployment are convenient.

Description

Technical Field

[0001] The utility model relates to power generation and energy storage technology, in particular to a wind, solar and energy storage integrated device. Background Art

[0002] Household photovoltaic systems are usually composed of solar photovoltaic modules, photovoltaic / storage inverters, energy storage battery modules, monitoring and metering systems, distribution boxes, mounting brackets, etc., and each part is a relatively independent device. The design, construction and maintenance of distributed photovoltaic systems require professional teams to complete, which is more difficult for remote areas with sparse population and inconvenient transportation. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a wind, solar and storage integrated device.

[0004] The purpose of the utility model is achieved through the following technical solutions: A wind-solar-storage integrated device, comprising:

[0005] A mounting skid, on which a junction box module is disposed, and the junction box module is used to connect a wind turbine, a photovoltaic module, a city power supply, and a user load;

[0006] A wind-solar MPPT module, wherein the wind-solar MPPT module is disposed in the installation skid, and the wind-solar MPPT module is electrically connected to the junction box module;

[0007] An AC / DC unidirectional inverter, which is disposed in the mounting skid and is electrically connected to the wind-solar MPPT module;

[0008] An energy storage module is disposed in the installation skid and is electrically connected to the wind-solar MPPT module.

[0009] The utility model arranges a plurality of modules in a mounting skid to form a skid-mounted device, which is convenient for transportation and deployment, so that the device can be applied to remote areas.

[0010] In some embodiments, the energy storage module includes an energy storage module housing, a plurality of battery cells and a battery cell protection unit, wherein the battery cells and the battery cell protection unit are both arranged in the energy storage module housing, and the plurality of battery cells are electrically connected to the battery cell protection unit, and the battery cell protection unit is electrically connected to the wind-solar MPPT module. The battery cell protection unit monitors the voltage, current, internal resistance and temperature of the battery cell to prevent the battery cell from being overcharged or over-discharged, thereby increasing the battery cell life.

[0011] In some embodiments, the energy storage module is disposed at the bottom of the installation skid. The energy storage module has a large number of cells, which are heavy. The energy storage module can be disposed at the bottom of the installation skid to lower the center of gravity and improve stability after deployment.

[0012] In some embodiments, an external charger is further included, the external charger is arranged in the installation skid, and the external charger is electrically connected to the junction box module and the energy storage module. The external charger is used to charge the energy storage module with city electricity when the energy storage module is exhausted and the wind turbine and the photovoltaic module are unable to generate electricity.

[0013] In some embodiments, the battery cell is detachably connected to the energy storage module housing. The battery cell is detachably connected to the energy storage module housing to facilitate maintenance of the battery cell.

[0014] In some embodiments, a heat dissipation duct is further provided in the installation skid, and the heat dissipation duct passes through the energy storage module, the AC / DC unidirectional inverter, and the wind-solar MPPT module. The heat dissipation duct can dissipate heat for the energy storage module, the AC / DC unidirectional inverter, and the wind-solar MPPT module to prevent high temperature from affecting the safety of the device.

[0015] In some embodiments, the inlet of the heat dissipation duct is arranged at the bottom of the mounting skid. The inlet of the heat dissipation duct is arranged at the bottom of the mounting skid so that hot air is discharged from the top of the mounting skid to avoid hot air accumulation.

[0016] In some embodiments, a data acquisition and transmission unit is also included, the data acquisition and transmission unit is arranged in the installation skid, the data acquisition and transmission unit is electrically connected to the wind and solar MPPT module and the AC and DC unidirectional inverter, the data acquisition and transmission unit is wirelessly connected to the background management system, and the data acquisition and transmission unit is used to transmit data to the background management system through the wireless connection. The data of the equipment is transmitted to the background management system by the data acquisition and transmission module, which is convenient for the maintenance personnel to manage uniformly.

[0017] The utility model has the following advantages:

[0018] The utility model arranges components such as wind and solar MPPT modules, AC and DC unidirectional inverters and energy storage modules in the installation skid to form an integrated skid-mounted device, which is easy to transport and install, so that the equipment can be deployed in remote areas at low cost. At the same time, a data acquisition and transmission module is arranged to upload the equipment data, which is convenient for maintenance personnel to manage uniformly in the background. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of the wind-solar-storage integrated device of the utility model;

[0020] In the figure: 1. Installation skid; 11. Junction box module; 2. Wind-solar MPPT module; 3. AC / DC unidirectional inverter; 4. Energy storage module; 41. Energy storage module housing; 42. Battery cell; 43. Battery cell protection unit; 5. External charger; 6. Cooling duct; 7. Data acquisition and transmission unit. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0022] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] like Figure 1 As shown, a wind-solar-storage integrated device includes a mounting skid 1, a wind-solar MPPT module 2, an AC / DC unidirectional inverter 3 and an energy storage module 4; a junction box module 11 is provided on the mounting skid 1, and the junction box module 11 is used to connect a wind turbine, a photovoltaic module, a mains power supply and a user load; the wind-solar MPPT module 2 is arranged in the mounting skid 1, and the wind-solar MPPT module 2 is electrically connected to the junction box module 11; the AC / DC unidirectional inverter 3 is arranged in the mounting skid 1, and is electrically connected to the wind-solar MPPT module 2; the energy storage module 4 is arranged in the mounting skid 1, and the energy storage module 4 is electrically connected to the wind-solar MPPT module 2.

[0024] Specifically, in this embodiment, an aerosol fire extinguishing device (not shown in the figure) is also provided, so that in the event of an accidental fire, the device has a self-extinguishing function to improve the safety of the device. The shell material of the installation skid 1 in this embodiment is selected from engineering plastics or spray-coated steel, and has an IP protection grade; the working process of this embodiment is: the wind turbine and photovoltaic module convert wind and sunlight into electrical energy and input it into the junction box module 11, the junction box module 11 inputs the electrical energy into the wind-solar MPPT module 2, the wind-solar MPPT module 2 outputs the electrical energy generated by the wind turbine and photovoltaic module as direct current, and outputs it to the junction box module 11 through the AC-DC unidirectional inverter 3 and supplies it to the user load for use, and the excess electrical energy is input into the energy storage module 4 through the wind-solar MPPT module 2 for storage; when the electrical energy generated by the wind turbine and photovoltaic module does not meet the needs of the user load, the energy storage module 4 discharges to the AC-DC unidirectional inverter 3 and supplies it to the user load for use. By installing the wind-solar MPPT module 2, the AC / DC unidirectional inverter 3 and the energy storage module 4 into the installation skid 1, the device is integrated, which is convenient for transportation to remote areas. No complicated wiring is required during deployment, and the deployment cost is low.

[0025] Preferably, the energy storage module 4 includes an energy storage module housing 41, a plurality of battery cells 42 and a battery cell protection unit 43, wherein the battery cells 42 and the battery cell protection unit 43 are both arranged in the energy storage module housing 41, and the plurality of battery cells 42 are electrically connected to the battery cell protection unit 43, and the battery cell protection unit 43 is electrically connected to the wind-solar MPPT module 2. Specifically, the battery cell protection unit 43 detects the voltage, current, internal resistance and temperature of the battery cell 42 to ensure the consistency of the battery cell 42 and improve the life of the battery cell 42; when the temperature is detected to be too high, the charging and discharging is stopped to improve the safety of the energy storage module 4.

[0026] Preferably, the energy storage module 4 is arranged at the bottom of the installation skid 1. The energy storage module 4 is provided with a plurality of battery cells 42, which are heavy. The energy storage module 4 is arranged at the bottom of the installation skid 1 to lower the center of gravity of the device and improve the stability during deployment.

[0027] Preferably, an external charger 5 is further included, the external charger 5 is arranged in the installation skid 1, and the external charger 5 is electrically connected to the junction box module 11 and the energy storage module 4. When the power in the energy storage module 4 is exhausted and the wind turbine and the photovoltaic module are unable to provide power, the energy storage module 4 is charged by the mains.

[0028] Preferably, the battery cell 42 is detachably connected to the energy storage module housing 41. Specifically, in this embodiment, the battery cell 42 is plugged into the energy storage module housing 41, and when the battery cell 42 is maintained, the battery cell 42 can be directly pulled out, so that the battery cell 42 can be quickly disassembled and assembled for easy maintenance.

[0029] Preferably, a heat dissipation duct 6 is further provided in the installation skid 1, and the heat dissipation duct 6 passes through the energy storage module 4, the AC / DC unidirectional inverter 3 and the wind-solar MPPT module 2. During the operation of the device, a large amount of heat will be generated. Since the installation skid 1 is a relatively closed space, a heat dissipation channel needs to be provided to dissipate heat from the internal equipment in a timely manner.

[0030] Preferably, the inlet of the heat dissipation duct 6 is arranged at the bottom of the mounting skid 1. A fan is also arranged at the inlet of the heat dissipation duct 6 to allow external air to actively enter the mounting skid 1 and dissipate heat from the internal components of the mounting skid 1 through the heat dissipation duct 6.

[0031] Preferably, it also includes a data acquisition and transmission unit 7, which is arranged in the installation skid 1, and is electrically connected to the wind-solar MPPT module 2 and the AC / DC unidirectional inverter 3. The data acquisition and transmission unit 7 is wirelessly connected to the background management system, and the data acquisition and transmission unit 7 is used to transmit data to the background management system via a wireless connection.

[0032] Specifically, in this embodiment, the wind-solar MPPT module 2 and the AC-DC unidirectional inverter 3 are connected to the data acquisition and transmission module through the RS interface, and the data acquisition and transmission module is connected to the background management system through the 4G network. The data acquisition and transmission module wirelessly transmits the data generated by the wind-solar MPPT module 2 and the AC-DC unidirectional inverter 3 to the background management system, so that the maintenance personnel can timely understand the dynamics of the equipment and manage and maintain the equipment.

[0033] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. A wind, solar and storage integrated device, characterized in that: include: A mounting skid (1), wherein a junction box module (11) is arranged on the mounting skid (1), and the junction box module (11) is used to connect a wind turbine, a photovoltaic module, a city power supply and a user load; A wind-solar MPPT module (2), wherein the wind-solar MPPT module (2) is arranged in the installation skid (1), and the wind-solar MPPT module (2) is electrically connected to the junction box module (11); an AC / DC unidirectional inverter (3), the AC / DC unidirectional inverter (3) being arranged in the mounting skid (1) and electrically connected to the wind-solar MPPT module (2); An energy storage module (4), wherein the energy storage module (4) is arranged in the installation skid (1), and the energy storage module (4) is electrically connected to the wind-solar MPPT module (2).

2. The wind-solar-storage integrated device according to claim 1, characterized in that: The energy storage module (4) comprises an energy storage module housing (41), a plurality of battery cells (42) and a battery cell protection unit (43); the battery cells (42) and the battery cell protection unit (43) are both arranged in the energy storage module housing (41); the plurality of battery cells (42) are electrically connected to the battery cell protection unit (43); and the battery cell protection unit (43) is electrically connected to the wind-solar MPPT module (2).

3. The wind-solar-storage integrated device according to claim 2, characterized in that: The battery core (42) is detachably connected to the energy storage module housing (41).

4. The wind-solar-storage integrated device according to claim 1, characterized in that: The energy storage module (4) is arranged at the bottom of the installation skid (1).

5. The wind-solar-storage integrated device according to claim 1, characterized in that: It also includes an external charger (5), which is arranged in the installation skid (1) and is electrically connected to the junction box module (11) and the energy storage module (4).

6. The wind-solar-storage integrated device according to claim 1, characterized in that: The installation skid (1) is also provided with a heat dissipation duct (6), and the heat dissipation duct (6) passes through the energy storage module (4), the AC / DC unidirectional inverter (3) and the wind-solar MPPT module (2).

7. The wind-solar-storage integrated device according to claim 6, characterized in that: The inlet of the heat dissipation air duct (6) is arranged at the bottom of the mounting skid (1).

8. The wind-solar-storage integrated device according to claim 1, characterized in that: The invention also comprises a data acquisition and transmission unit (7), wherein the data acquisition and transmission unit (7) is arranged in the installation skid (1), the data acquisition and transmission unit (7) is electrically connected to the wind-solar MPPT module (2) and the AC / DC unidirectional inverter (3), the data acquisition and transmission unit (7) is wirelessly connected to a background management system, and the data acquisition and transmission unit (7) is used to transmit data to the background management system via a wireless connection.

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