CN211700497U - Wind-solar complementary lithium battery microgrid energy storage device - Google Patents

Abstract

The utility model discloses a wind-solar complementary lithium battery micro-grid energy storage device, which comprises a box door structure, a cooling structure and a box body structure. The box door structure is rotatably connected with the box body structure, and the cooling structure is connected with the box body. The box door structure includes a box door, a telescopic rod and an inverting motor, the box door is fixedly connected with the telescopic rod, and the inverting motor is fixedly connected with the lower end of the telescopic rod. On the basis of the existing technology, the heat dissipation structure of the energy storage assembly is improved, and the box door structure is added, so that the box door can be opened under the action of the telescopic rod, so as to realize the rapid circulation of air inside the energy storage assembly and achieve heat dissipation. The purpose of cooling, and the reverse motor is to allow the telescopic rod to achieve the telescopic function, and the cooling structure cools the interior of the energy storage module through heat exchange, so as to reduce the wind-solar complementarity through various functions. The purpose of the internal temperature of the lithium battery microgrid energy storage device.

Description

Wind-solar complementary lithium battery microgrid energy storage device

technical field

The utility model relates to the technical field of energy storage components, in particular to a wind-solar complementary lithium battery micro-grid energy storage device.

Background technique

Microgrid refers to a small power generation and distribution system composed of distributed power sources, energy storage components, energy conversion devices, loads, monitoring and protection devices. The proposal of microgrid aims to realize the flexible and efficient application of distributed power, and solve the problem of grid connection of a large number and various forms of distributed power. The development and extension of microgrid can fully promote the large-scale access of distributed power and renewable energy, and achieve highly reliable supply of various energy forms to loads. Smart grid transition.

At present, since the power storage modules for photovoltaic and wind energy microgrids need to store huge amounts of electrical energy, it is necessary to use large power storage modules, high-density lithium battery packs, and BMS management with built-in heating modules. The system has increased a wide range of applications for outdoor scenes in the market, but most of the large-scale power storage components used today are box-type. By installing the power storage components inside the box, Therefore, the power storage and energy storage components are connected with the box body. After a long time of use, the power storage and energy storage components in the box will emit a lot of heat. If this accumulates for a long time, the temperature inside the box body will be too high. , when the temperature reaches a certain height, the internal energy storage components will be damaged, which requires maintenance personnel to repair, thereby reducing the efficiency of the energy storage components to store electrical energy. Energy storage components for microgrids that efficiently cool and dissipate heat.

Utility model content

In order to solve the problem that the existing micro-grid energy storage components lack effective heat dissipation, the utility model proposes a wind-solar complementary lithium battery micro-grid energy storage device.

A wind-solar complementary lithium battery microgrid energy storage device, comprising a box door structure, a cooling structure and a box body structure, the box door structure is rotatably connected with the box body structure, and the box door structure is arranged on the box body structure The front side of the box, the cooling structure is fixedly connected with the box structure, and is arranged inside the box structure, the box door structure includes a box door, a telescopic rod and a reverse motor, and the box door is connected to the The telescopic rod is fixedly connected and arranged on the upper end of the telescopic rod, and the inverting motor is fixedly connected with the lower end of the telescopic rod and is fixedly arranged inside the box structure.

The telescopic rod includes a threaded rod and a rod barrel, the threaded rod and one end of the rod barrel are threadedly connected, the threaded rod is arranged inside the rod barrel, and the other end of the rod barrel is connected to the The box door is fixedly connected, the outside of the threaded rod has an external thread, the inside of the rod cylinder has an internal thread, and the external thread and the internal thread are engaged with each other.

Wherein, the box structure includes a temperature sensor, an energy storage component and a chassis body, the temperature sensor is fixedly arranged inside the chassis body, and is electrically connected to the box door structure and the cooling structure respectively, so The energy storage assembly is fixedly arranged inside the box structure, and the box body is a square box structure.

Wherein, the case body also has ventilation holes, the ventilation holes are arranged on the left side of the case body, and the number of the ventilation holes is at least ten.

Wherein, the cooling structure includes an exhaust component and a liquid cooling component, the exhaust component is arranged through the chassis body, and the liquid cooling component is fixedly arranged on the peripheral side of the energy storage component.

Wherein, the exhaust assembly includes an exhaust fan and a single-phase motor, the exhaust fan is electrically connected with the single-phase motor, and the exhaust fan penetrates through the chassis body and is fixedly arranged on the chassis On the right side of the body, the single-phase motor is fixedly arranged on the inner side of the chassis body.

Wherein, the liquid cooling component includes a serpentine liquid cooling tube and a circulating pump, the serpentine liquid cooling tube is fixedly arranged on the outer surface of the energy storage component, and the circulating pump communicates with the serpentine liquid cooling tube and is fixed It is arranged on the inner side of the box structure.

The beneficial effects of the utility model are: on the basis of the prior art, the heat dissipation structure of the energy storage assembly is improved, and the box door structure is added, so that the box door can be opened under the action of the telescopic rod, so as to realize The air inside the energy storage assembly circulates rapidly to achieve the purpose of heat dissipation and cooling, and the inverting motor allows the telescopic rod to realize the telescopic function, and the cooling structure cools the interior of the energy storage assembly through heat exchange. Therefore, the purpose of reducing the internal temperature of the energy storage component is achieved through various functions.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the axonometric structural schematic diagram of the boxless door of the wind-solar complementary lithium battery micro-grid energy storage device of the present invention.

FIG. 2 is a schematic diagram of the axonometric structure of the wind-solar complementary lithium battery micro-grid energy storage device of the present invention.

FIG. 3 is a schematic front view of the structure of the caseless door of the wind-solar complementary lithium battery micro-grid energy storage device of the present invention.

4 is a schematic cross-sectional structural diagram of the telescopic rod and the reverse motor of the wind-solar complementary lithium battery microgrid energy storage device of the present invention.

5 is a schematic diagram of the circuit structure of the wind-solar complementary lithium battery micro-grid energy storage device of the present invention in the power grid.

10- box door structure, 20- cooling structure, 30- box structure, 11- box door, 12- telescopic rod, 13- reverse motor, 21- exhaust component, 22- liquid cooling component, 31- temperature sensor, 32-Energy storage assembly, 33-Chassis body, 121-Threaded rod, 122-Rod barrel, 123-External thread, 124-Internal thread, 211-Exhaust fan, 212-Single-phase motor, 221-Serpentine liquid cooling pipe , 222-circulating pump, 331-ventilation hole.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present invention, but should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to FIG. 1 to FIG. 4, the present utility model provides a technical solution:

A wind-solar complementary lithium battery microgrid energy storage device, comprising a box door structure 10, a cooling structure 20 and a box body structure 30, the box door structure 10 is rotatably connected with the box body structure 30, and the box door structure 10 is provided with On the front side of the box structure 30, the cooling structure 20 is fixedly connected to the box structure 30 and is disposed inside the box structure 30. The box door structure 10 includes a box door 11, a telescopic A rod 12 and an inversion motor 13, the box door 11 is fixedly connected with the telescopic rod 12, and is arranged on the upper end of the telescopic rod 12, and the inversion motor 13 is fixedly connected with the lower end of the telescopic rod 12, And it is fixedly arranged inside the box structure 30 .

In this embodiment, there is a reverse switch in the reverse motor 13, which can make the motor realize forward and reverse rotation. When the energy storage assembly 32 needs to be cooled, the box door structure 10 is used, and the reverse motor is passed through the reverse motor. The forward and reverse rotation of 13 controls the expansion and contraction of the telescopic rod 12, so that the box door 11 is opened, so that the air inside the energy storage assembly 32 and the outside can quickly circulate, and the cooling structure 20 uses the principle of heat exchange. , transfer the heat inside the energy storage assembly 32 to the outside, and achieve the purpose of reducing the heat inside the energy storage assembly 32 from various aspects, and the function of the box structure 30 is to carry the box door structure 10 and the cooling Structure 20 works and provides a working platform.

Further, the telescopic rod 12 includes a threaded rod 121 and a rod cylinder 122, the threaded rod 121 and one end of the rod cylinder 122 are threadedly connected, and the threaded rod 121 is arranged inside the rod cylinder 122, so The other end of the rod barrel 122 is fixedly connected to the box door 11 , the outside of the threaded rod 121 has an external thread 123 , the inside of the rod barrel 122 has an internal thread 124 , and the external thread 123 and the The internal threads 124 engage with each other.

In this embodiment, the inner thread 124 and the outer thread 123 are engaged with each other, so the rotation of the threaded rod 121 can realize the telescopic function of the telescopic rod 12, and the rod barrel 122 and the box door 11 is fixedly connected, the reverse motor 13 is also fixed on the box structure 30, and the minimum length of the telescopic rod 12 is also the same as the width of the box body 33, so the telescopic rod 12 is stretched, That is, the control of the opening and closing of the box door 11 can be completed, that is, the rapid circulation of the air inside the energy storage assembly 32 can be realized.

Further, the box structure 30 includes a temperature sensor 31, an energy storage assembly 32 and a box body 33, the temperature sensor 31 is fixedly arranged inside the box body 33, and is respectively connected with the box door structure 10 and the box body 33. The cooling structure 20 is electrically connected, the energy storage component 32 is fixedly disposed inside the box structure 30 , and the case body 33 is a square box structure 30 .

In this embodiment, the temperature sensor 31 monitors the temperature inside the energy storage assembly 32, and when the temperature is high, the temperature sensor 31 controls the cooling structure 20 and the box door structure 10 to start cooling, while The function of the energy storage assembly 32 is to store energy, and the function of the case body 33 is to provide a working platform for the door structure 10 and the cooling structure 20 to work, and at the same time, it can also prevent the outside world from affecting the storage. Unnecessary damage to the functional components 32.

Further, the case body 33 also has ventilation holes 331 , the ventilation holes 331 are arranged on the left side of the case body 33 , and the number of the ventilation holes 331 is at least ten.

In this embodiment, the function of the ventilation holes 331 is to allow the energy storage assembly 32 to effectively perform ventilation and discharge heat even before the temperature reaches the warning line, and the number of the ventilation holes 331 is at least ten The reason is to enhance the ventilation volume and achieve better use effect.

Further, the cooling structure 20 includes an exhaust assembly 21 and a liquid cooling assembly 22 , the exhaust assembly 21 is disposed through the chassis body 33 , and the liquid cooling assembly 22 is fixedly disposed at the bottom of the energy storage assembly 32 . peripheral side.

In this embodiment, when the temperature of the energy storage assembly 32 is too high, the exhaust assembly 21 and the liquid cooling assembly 22 reduce the temperature inside the energy storage assembly 32 through heat exchange, so that the storage The functional component 32 can work normally.

Further, the exhaust assembly 21 includes an exhaust fan 211 and a single-phase motor 212 , the exhaust fan 211 is electrically connected to the single-phase motor 212 , and the exhaust fan 211 penetrates through the case body 33 , and is fixedly arranged on the right side of the casing body 33 , and the single-phase motor 212 is fixedly arranged on the inner side of the casing body 33 .

In this embodiment, the exhaust fan 211 penetrates through the case body 33, so that when the exhaust fan 211 is rotating, the air with a higher temperature inside the energy storage assembly 32 can be effectively discharged to the outside, And through the exhaust hole and the box door structure 10, the air with a lower external temperature is supplemented into the interior of the energy storage assembly 32, so as to achieve the purpose of reducing the temperature of the energy storage assembly 32, while the single-phase motor The function of 212 is to control the rotation of the exhaust fan 211 , and the single-phase motor 212 starts to control the rotation of the exhaust fan 211 after receiving the over-temperature signal from the temperature sensor 31 .

Further, the liquid cooling assembly 22 includes a serpentine liquid cooling pipe 221 and a circulation pump 222, the serpentine liquid cooling pipe 221 is fixedly arranged on the outer surface of the energy storage assembly 32, and the circulation pump 222 communicates with the snake. A liquid cooling tube 221 is formed, and is fixedly arranged on the inner side of the box structure 30 .

In this embodiment, the serpentine liquid cooling pipe 221 further has a liquid inlet and a liquid outlet, the circulating pump 222 also has a water outlet and a water inlet, and the inside of the serpentine liquid cooling pipe 221 is filled with cooling liquid, The cooling liquid absorbs the heat emitted by the energy storage component 32, and enters the water inlet of the circulating pump 222 through the liquid outlet of the serpentine liquid cooling pipe 221, where the circulating pump 222 will After the heat is dissipated, it enters the liquid inlet of the serpentine liquid cooling pipe 221 through the water outlet of the circulating pump 222, and the heat absorption cycle is performed again along the route of the serpentine liquid cooling pipe 221, so as to The purpose of reducing the temperature of the energy storage assembly 32 is achieved.

Referring to Figure 5, the wind-solar hybrid lithium battery microgrid energy storage device is electrically connected to the inverter in the power grid, and the inverter is electrically connected to the switchboard, the power meter and the backup power, respectively. The inverter can connect the wind and solar hybrid lithium battery microgrid. The DC power in the energy storage device is converted into AC power, and the switchboard is used to facilitate maintenance when the circuit fails, the power meter is used to detect the electrical power in the circuit, the monitor is used to monitor the power meter, and the backup power is used as wind-solar hybrid lithium battery A supplement to the microgrid energy storage device to improve the stability of the entire circuit.

The utility model improves the heat dissipation structure of the energy storage assembly 32 on the basis of the prior art, and adds the box door structure 10, so that the box door 11 can be opened under the action of the telescopic rod 12, so as to realize energy storage The air inside the assembly 32 circulates rapidly to achieve the purpose of heat dissipation and temperature reduction, and the inverting motor 13 enables the telescopic rod 12 to realize the telescopic function, and the cooling structure 20 allows the energy storage assembly 32 to be internally The temperature is lowered, so as to achieve the purpose of reducing the internal temperature of the energy storage component 32 through the comprehensive action of various aspects.

What has been disclosed above is only a preferred embodiment of the present invention, and of course it cannot limit the scope of the rights of the present invention. Those of ordinary skill in the art can understand that all or part of the process for realizing the above-mentioned embodiment can be implemented according to the present invention. The equivalent changes made by the claims of the utility model still belong to the scope covered by the utility model.

Claims (7)

1. The utility model provides a complementary lithium electricity microgrid energy memory of scene, its characterized in that, includes chamber door structure, cooling structure and box structure, the chamber door structure with the box structure rotates to be connected, just the chamber door structure set up in the front side of box structure, the cooling structure with box structure fixed connection, and set up in the inside of box structure, the chamber door structure includes chamber door, telescopic link and the motor of falling in the same direction as, the chamber door with telescopic link fixed connection, and set up in the upper end of telescopic link, fall in the same direction as the motor with the lower extreme fixed connection of telescopic link, and fixed set up in the inside of box structure.

2. The wind-solar-complementary lithium-ion power microgrid energy storage device of claim 1, wherein the telescopic rod comprises a threaded rod and a rod barrel, the threaded rod is in threaded connection with one end of the rod barrel, the threaded rod is arranged in the rod barrel, the other end of the rod barrel is fixedly connected with the box door, an external thread is arranged on the outside of the threaded rod, an internal thread is arranged in the rod barrel, and the external thread and the internal thread are meshed with each other.

3. The wind-solar-complementary lithium-ion power microgrid energy storage device of claim 1, wherein the box structure comprises a temperature sensor, an energy storage assembly and a case body, the temperature sensor is fixedly arranged inside the case body and is electrically connected with the case door structure and the cooling structure respectively, the energy storage assembly is fixedly arranged inside the box structure, and the case body is a square box structure.

4. The wind-solar-complementary lithium-ion power microgrid energy storage device of claim 3, wherein the chassis body is further provided with ventilation holes, the ventilation holes are arranged on the left side of the chassis body, and the number of the ventilation holes is at least ten.

5. The wind-solar-complementary lithium-ion power microgrid energy storage device of claim 4, wherein the cooling structure comprises an exhaust assembly and a liquid cooling assembly, the exhaust assembly penetrates through the case body, and the liquid cooling assembly is fixedly arranged on the periphery of the energy storage assembly.

6. The wind-solar-complementary-lithium-electricity microgrid energy storage device of claim 5, wherein the exhaust assembly comprises an exhaust fan and a single-phase motor, the exhaust fan is electrically connected with the single-phase motor, the exhaust fan penetrates through the case body and is fixedly arranged on the right side of the case body, and the single-phase motor is fixedly arranged on the inner side of the case body.

7. The wind-solar-complementary lithium-ion power microgrid energy storage device of claim 6, wherein the liquid cooling assembly comprises a snake-shaped liquid cooling pipe and a circulating pump, the snake-shaped liquid cooling pipe is fixedly arranged on the outer surface of the energy storage assembly, and the circulating pump is communicated with the snake-shaped liquid cooling pipe and is fixedly arranged on the inner side of the box body structure.

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