Autonomous photovoltaic power generation expansion device of energy storage system

Abstract

The utility model discloses an autonomous photovoltaic power generation expansion device of an energy storage system, which comprises an energy storage box and a photovoltaic power generation expansion assembly installed at the top of the energy storage box, the photovoltaic power generation expansion assembly is composed of an annular cavity frame and an electric telescopic track, expansion strip holes are formed in the two sides of the annular cavity frame, and the expansion strip holes are communicated with the annular cavity frame. The electric telescopic track is fixedly installed in an annular cavity of the annular cavity frame, a plurality of expansion photovoltaic panels which are arranged up and down are installed on the electric telescopic track, a top fixed photovoltaic panel is fixedly installed at the top of the annular cavity frame, and the energy storage box is connected with a communication line of the photovoltaic power generation expansion assembly through a quick plug device. And side baffles are rotationally mounted in the extension strip holes. The system has the beneficial effects of high integration, reduction of equipment occupied space, convenience in deployment and maintenance, high efficiency, energy conservation, improvement of the overall energy efficiency of the system, modular design and connection of energy storage and power generation, suitability for various scenes, convenience in expansion and maintenance of the system, and reduction of equipment purchase, installation and operation costs.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic power generation energy storage technical field especially relates to a kind of energy storage system autonomous photovoltaic power generation extension device. BACKGROUND

[0002] Photovoltaic power generation is a kind of technology using the photovoltaic effect of semiconductor interface to convert solar energy into electric energy, it is mainly composed of solar panel, controller and inverter three parts, at present, photovoltaic power generation device and energy storage system are usually independently designed or fixed integration, there are following problems:

[0003] System integration is low: photovoltaic, energy storage and charging equipment are scattered arrangement, large space occupation, installation is complex;Energy utilization rate is low, photovoltaic power generation and energy storage, charging system distance is far, energy conversion efficiency is low, there is energy loss;

[0004] Maintenance cost is high, the connection mode of existing photovoltaic power generation device and energy storage system is complex, installation and maintenance difficulty are increased, decentralized system needs separate maintenance, and operating cost is increased;

[0005] Flexibility and adaptability are poor, cannot quickly respond to demand change, it is difficult to meet temporary power or mobile power demand. INVENTION CONTENTS

[0006] The utility model discloses a kind of energy storage system autonomous photovoltaic power generation extension devices, to solve the above-mentioned problems.

[0007] The utility model discloses the following technical solutions to realize the above-mentioned purposes:

[0008] A kind of energy storage system autonomous photovoltaic power generation extension device, including energy storage box and the photovoltaic power generation extension assembly installed in the top of the energy storage box, the photovoltaic power generation extension assembly is composed of ring cavity frame and electric telescopic track, expansion strip hole is set up in the two sides of the ring cavity frame, the electric telescopic track is fixedly installed in the ring cavity of the ring cavity frame, a plurality of expansion photovoltaic panels are installed on the electric telescopic track and arranged in up and down, top fixed photovoltaic panel is fixedly installed in the top of the ring cavity frame, the communication line of the energy storage box and the photovoltaic power generation extension assembly is connected by quick plug device, side baffle is rotatably installed in the expansion strip hole, electric control box is installed on the box body of the energy storage box.

[0009] Further, the bottom of the expansion photovoltaic panel is supported and installed with a strut, and the strut is detachably installed on the expansion photovoltaic panel.

[0010] Further, the energy storage box is provided with a battery cavity, and the battery cavity is provided with an energy storage battery group and a photovoltaic inverter.

[0011] Further, a fan hole is formed on the wall of the energy storage box, and a heat dissipation fan assembly is installed in the fan hole.

[0012] Further, a charging and discharging tank groove is arranged on the outside of the energy storage box, and a charging and discharging assembly is installed in the charging and discharging tank groove.

[0013] Further, a plurality of energy storage cavity doors are installed on the box body of the energy storage box, and heat dissipation holes are arranged on the energy storage cavity doors.

[0014] Further, both ends of the side baffle are installed on the ring cavity frame through a side plate rotating shaft, a side baffle driving motor is installed in the ring cavity frame, the side baffle driving motor is connected with a motor gear, and the motor gear is meshed and connected with an axle gear fixed on the side plate rotating shaft.

[0015] Further, the electric telescopic track is composed of a plurality of telescopic slide rails and a plurality of telescopic screw groups, an expansion motor is fixed at one end of the plurality of telescopic slide rails, a rotor shaft of the expansion motor is connected with the plurality of telescopic screw groups, and the other end of the plurality of telescopic screw groups is fixed with the tail end of the plurality of telescopic slide rails.

[0016] The utility model discloses the beneficial effect lies in: high integration, reduce the equipment occupied space, facilitate deployment and maintenance,

[0017] High efficiency and energy saving, the intelligent control of electric control box cooperates the power generation photovoltaic board of scalable increase area to improve system overall energy efficiency,

[0018] And the modular design and connection of energy storage and power generation are suitable for various scenes, meet different demands, facilitate the expansion and maintenance of the system, reduce equipment procurement, installation and operation cost. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the unfolding structure diagram of the energy storage system autonomous photovoltaic power generation expansion device of the utility model;

[0020] Figure 2 It is the energy storage box structure of the energy storage system autonomous photovoltaic power generation expansion device of the utility model Figure 1 ;

[0021] Figure 3 It is the energy storage box structure of the energy storage system autonomous photovoltaic power generation expansion device of the utility model Figure 2 ;

[0022] Figure 4 It is the electric telescopic track one side structure schematic diagram of the energy storage system autonomous photovoltaic power generation expansion device of the utility model;

[0023] Figure 5It is the side baffle drive schematic view of the energy storage system autonomous photovoltaic power generation expansion device.

[0024] The reference signs are explained as follows:

[0025] 1, energy storage box;2, ring cavity frame;3, electric telescopic track;4, expansion photovoltaic panel;5, top fixed photovoltaic panel;6, side baffle;7, cooling fan assembly;8, charge and discharge assembly;9, energy storage cavity door;10, electric control box;11, multi-stage telescopic slide rail;12, multi-section telescopic lead screw group;13, expansion motor;14, shaft gear;15, side plate rotating shaft;16, side baffle drive motor;17, motor gear;18, brace bar. Specific implementation

[0026] The utility model makes further explanation in connection with the drawings:

[0027] As Figures 1-5 Indicated, an energy storage system autonomous photovoltaic power generation expansion device includes energy storage box 1 and installs the photovoltaic power generation expansion assembly on the top of energy storage box 1;

[0028] The photovoltaic power generation expansion assembly is composed of ring cavity frame 2 and electric telescopic track 3, the expansion strip hole is set up on the both sides of ring cavity frame 2, and the electric telescopic track 3 is convenient to pass through the expansion strip hole and extend, so that the expansion photovoltaic panel 4 is extended and unfolded, the electric telescopic track 3 is fixedly installed in the ring cavity of ring cavity frame 2, a plurality of expansion photovoltaic panels 4 arranged in up and down are installed on the electric telescopic track 3, and the expansion photovoltaic panel 4 is installed on each stage rail body of the electric telescopic track 3;

[0029] The top of ring cavity frame 2 is fixedly installed with top fixed photovoltaic panel 5, the electric telescopic track 3 is provided with two groups, which respectively extend to both sides, and the expansion photovoltaic panel 4 on the both sides is integrated to form an expansion photovoltaic power generation unit, and it is appropriate that three expansion photovoltaic panels 4 are arranged on each electric telescopic track 3;

[0030] The communication line of energy storage box 1 and the photovoltaic power generation expansion assembly is connected through a quick plug device, the quick plug device is a commonly used communication connector, and communication can be realized through quick plug connection;

[0031] The side baffle 6 is rotatably installed in the expansion strip hole, which is convenient to cover the expansion strip hole on both sides after contraction, the electric control box 10 is installed on the box body of energy storage box 1, which includes a battery management unit and a charge and discharge management unit, so as to control each module in energy storage box 1 and optimize energy distribution.

[0032] As Figures 1-5 Indicated, the utility model discloses the following more optimized specific structure:

[0033] The bottom support of the extended photovoltaic panel 4 is equipped with a support rod 18, which can be detachably installed on the extended photovoltaic panel 4.

[0034] The energy storage box 1 is equipped with a battery chamber, in which an energy storage battery pack and a photovoltaic inverter are installed, so as to facilitate the conversion of the energy absorbed by the photovoltaic into electrical energy and store it in the energy storage battery pack.

[0035] The energy storage box 1 has fan blade holes on its wall, and a cooling fan assembly 7 is installed in the fan blade holes, including conventional heat dissipation structures such as a fan, fan blades, and a mesh cover.

[0036] The outer side of the energy storage box 1 is provided with a charging and discharging tank slot, and a charging and discharging assembly 8 is installed in the charging and discharging tank slot. The charging and discharging assembly 8 is controlled by a charging and discharging management unit and can provide charging services according to user needs.

[0037] The energy storage box 1 has several energy storage chamber doors 9 installed on its body. The energy storage chamber doors 9 are equipped with heat dissipation holes to facilitate airflow circulation and heat dissipation.

[0038] Both ends of the side baffle 6 are mounted on the annular cavity frame 2 via the side baffle rotating shaft 15. The annular cavity frame 2 is equipped with a side baffle drive motor 16. The side baffle drive motor 16 is connected to a motor gear 17. The motor gear 17 meshes with a shaft gear 14 fixed on the side baffle rotating shaft 15 to realize the electric control of the opening and closing of the side baffle 6. The motor gear 17 and the shaft gear 14 are covered with gear protective covers.

[0039] The electric telescopic track 3 consists of a multi-stage telescopic slide rail 11 and a multi-section telescopic screw assembly 12. One end of the multi-stage telescopic slide rail 11 is fixed with an extension motor 13. The rotor shaft of the extension motor 13 is connected to the multi-section telescopic screw assembly 12. The other end of the multi-section telescopic screw assembly 12 is fixed to the end of the multi-stage telescopic slide rail 11 to realize electric telescopic control.

[0040] like Figures 1-5 The energy storage box 1 shell in the autonomous photovoltaic power generation extension device of the energy storage system shown is modified based on a traditional 20-foot container, and the photovoltaic power generation extension assembly is added to the top. The communication function is quickly realized through the quick-plug interlock structure.

[0041] The side baffle 6 can be opened by the side baffle drive motor 16 and its matching drive components. The internal extended photovoltaic panels can be set to six, arranged vertically, and extended to both sides by the electric telescopic rail 3. They are then quickly supported by the detachable support rod 18, which can also be a telescopic support rod. Together with the top fixed photovoltaic panel 7, a total of seven photovoltaic panels absorb solar energy at the same time, and the energy is stored in the energy storage box 1 through the photovoltaic inverter.

[0042] The charging and discharging assembly 8 is provided with a conventional 220V and 380V charging interface for supplying electric vehicles or other electric equipment, so as to facilitate charging of other electric equipment;

[0043] The above structure has the following advantages:

[0044] High integration, reducing the occupied space of equipment, facilitating deployment and maintenance;

[0045] High energy efficiency, intelligent control of the electric control box cooperates with the scalable and enlarged area of the power generation photovoltaic panel to improve the overall energy efficiency of the system;

[0046] And the modular design and connection of the energy storage and power generation are suitable for various scenes, meet different demands, facilitate expansion and maintenance of the system, and reduce equipment procurement, installation and operation costs.

[0047] Those skilled in the art should understand that the utility model is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A kind of energy storage system autonomous photovoltaic power generation extension device, it is characterized by: Including energy storage box and installed on the top of the energy storage box photovoltaic power generation expansion assembly, the photovoltaic power generation expansion assembly is composed of ring cavity frame and electric telescopic rail, the expansion strip hole is opened on both sides of the ring cavity frame, the electric telescopic rail is fixedly installed in the ring cavity of the ring cavity frame, a plurality of expansion photovoltaic panels arranged in upper and lower directions are installed on the electric telescopic rail, the top of the ring cavity frame is fixedly provided with a top fixed photovoltaic panel, the communication line of the energy storage box and the photovoltaic power generation expansion assembly is connected through a quick plug device, the side baffle is rotatably installed in the expansion strip hole, and the electric control box is installed on the box body of the energy storage box.

2. The autonomous photovoltaic power generation extension device for energy storage system according to claim 1, characterized in that: The bottom of the expansion photovoltaic panel is supported and installed with a support rod, and the support rod is detachably installed on the expansion photovoltaic panel.

3. The autonomous photovoltaic power generation extension device for energy storage system according to claim 1, characterized in that: The energy storage box is provided with a battery cavity, and the battery cavity is provided with an energy storage battery group and a photovoltaic inverter.

4. The energy storage system autonomous photovoltaic power generation extension device according to claim 1, characterized in that: The box wall of the energy storage box is provided with a fan hole, and the fan hole is provided with a cooling fan assembly.

5. The energy storage system autonomous photovoltaic power generation extension device according to claim 1, characterized in that: The outer side of the energy storage box is provided with a charging and discharging box groove, and the charging and discharging box groove is provided with a charging and discharging assembly.

6. The energy storage system autonomous photovoltaic power generation extension device according to claim 1, characterized in that: The box body of the energy storage box is provided with a plurality of energy storage cavity doors, and the energy storage cavity doors are provided with cooling holes.

7. The energy storage system autonomous photovoltaic power generation extension device according to claim 1, characterized in that: Both ends of the side baffle are installed on the ring cavity frame through a side plate rotating shaft, a side baffle driving motor is installed in the ring cavity frame, the side baffle driving motor is connected with a motor gear, and the motor gear is meshed and connected with an axle gear fixed on the side plate rotating shaft.

8. The energy storage system autonomous photovoltaic power generation extension device according to claim 1, characterized in that: The electric telescopic rail is composed of a plurality of telescopic slide rails and a plurality of telescopic screw groups, one end of the plurality of telescopic slide rails is fixedly provided with an expansion motor, the rotor shaft of the expansion motor is connected with the plurality of telescopic screw groups, and the other end of the plurality of telescopic screw groups is fixedly connected with the tail end of the plurality of telescopic slide rails.

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