CN115764616A

CN115764616A - Energy storage device for photovoltaic microgrid

Info

Publication number: CN115764616A
Application number: CN202211498281.9A
Authority: CN
Inventors: 王鑫; 苗桂喜; 孙浩然; 元亮; 席晟哲; 王继勇; 孟红杰; 白方亮; 连勇; 王丽晔; 孙大江; 郑惠瀛; 赵悠悠; 崔哲芳; 王琪; 梁悦; 孙文强; 田雨
Original assignee: Anyang Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: Anyang Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-07

Abstract

The invention discloses an energy storage device for a photovoltaic microgrid, which comprises an outer box body, a cooling assembly and an adjusting assembly, wherein the outer box body is provided with a plurality of cooling holes; an outer box body: the shock absorption assembly is arranged on the inner bottom surface of the outer box, the upper end of the shock absorption assembly is provided with the installation box, the energy storage battery is arranged in the installation box, the shock absorption assembly comprises a fixed seat, a supporting rod, a sliding block, a spring, a limiting block, a connecting rod and a 20866; "shaped seat", and the fixed seat is symmetrically arranged on the inner bottom surface of the outer box; a cooling assembly: are respectively arranged in the outer box body and the mounting box; the adjusting component: set up in the inside bottom surface of outer box, adjusting part sets up with the damper cooperation, wherein: still include the control switch group, the control switch group sets up in the leading flank of outer box, and external power source is connected to the input electricity of control switch group, and this energy memory for photovoltaic little electric wire netting has reduced the influence of external vibration to energy storage battery, increase of service life, conveniently adjusts the size of shock resistance, and the radiating effect is good.

Description

Energy storage device for photovoltaic microgrid

Technical Field

The invention relates to the technical field of photovoltaic power generation, in particular to an energy storage device for a photovoltaic microgrid.

Background

The micro-grid aims to realize flexible and efficient application of distributed power supplies and solve the problem of grid connection of the distributed power supplies with large quantity and various forms. The development and extension of the microgrid can fully promote large-scale access of distributed power sources and renewable energy sources, high-reliability supply of multiple energy source types of loads is achieved, the method is an effective mode for achieving an active power distribution network, the traditional power grid is made to transition to a smart power grid, energy storage is that electric energy generated by a solar cell panel is stored, the electric energy is stored when the power generation power of the renewable energy sources is larger than the requirement of the loads through an energy storage link, the electric energy is supplemented when the renewable energy sources cannot meet the requirement of the loads, renewable energy sources are collected and utilized at the maximum efficiency, which is necessary for a renewable energy source distributed power generation system, the basis of stable local power supply is established, for a power generation system accessed by the power grid, energy storage is a flexible and adjustable means, new energy sources can be utilized to the maximum extent, impact and dependence on the power grid are reduced, and urgent requirements are met.

Disclosure of Invention

The invention aims to overcome the existing defects and provide the energy storage device for the photovoltaic microgrid, so that the influence of external vibration on an energy storage battery is reduced, the service life is prolonged, the shock resistance is convenient to adjust, the heat dissipation effect is good, and the problems in the background art can be effectively solved.

In order to achieve the purpose, the invention provides the following technical scheme: an energy storage device for a photovoltaic microgrid comprises an outer box body, a cooling assembly and an adjusting assembly;

an outer box body: the bottom surface of the interior of the shock-absorbing box is provided with a shock-absorbing component, the upper end of the shock-absorbing component is provided with an installation box, and an energy storage battery is arranged in the installation box;

a cooling assembly: are respectively arranged in the outer box body and the mounting box;

an adjusting component: set up in the inside bottom surface of outer box, adjusting part sets up with the damper assembly cooperation, reduces the influence of external vibration to energy storage battery, increase of service life conveniently adjusts the size of shock resistance, and the radiating effect is good.

The outer box body is provided with a front side surface, an input end and a control switch group, wherein the front side surface is provided with a plurality of outer box bodies, the input end of each outer box body is electrically connected with an external power supply, and the control switch group is used for controlling the operation of electrical elements.

Further, damper includes fixing base, bracing piece, slider, spring, stopper, connecting rod and Jiong type seat, the fixing base symmetry sets up in the inside bottom surface of outer box, all is equipped with the bracing piece between two horizontal corresponding fixing bases, the equal sliding connection in both ends has the slider about the extrados of bracing piece, the upper end of slider all rotates and is connected with the connecting rod, and the upper end of connecting rod all rotates through the round pin axle and is connected with Jiong type seat, the upper surface of Jiong type seat all is connected with the lower fixed surface of install bin, stopper symmetry sliding connection is in the inside bottom surface of outer box, all be equipped with the spring between slider and the adjacent stopper, the spring cup joints respectively in adjacent connecting rod extrados, and adjusting part and stopper cooperation set up, play absorbing effect to energy storage battery.

Furthermore, dovetail grooves are symmetrically arranged on the bottom surface of the inner part of the outer box body, and the limiting blocks are respectively connected with the inner walls of the adjacent dovetail grooves in a sliding mode to limit the limiting blocks.

Further, the adjusting part includes support, connecting cylinder, worm wheel and worm, the support symmetry sets up in the inside bottom surface of outer box, the worm is connected with the upper end internal rotation of support respectively, the both ends of connecting cylinder respectively with two stopper internal thread connections that transversely correspond, the extrados of connecting cylinder respectively with the backup pad upper end internal rotation that the inside bottom surface of outer box set up be connected, the screw thread opposite direction at connecting cylinder both ends, the worm wheel sets up in the extrados of connecting cylinder, worm wheel and worm meshing are connected, the both ends of worm pass the front and back lateral wall of outer box respectively and extend to the outside of outer box, adjust the interval between two sliders that transversely correspond.

Furthermore, the cooling assembly comprises a fan, the fan is arranged on the right side wall of the outer box body and corresponds to the installation box, and the input end of the fan is electrically connected with the output end of the control switch group to dissipate heat of the installation box.

Further, cooling module still includes snakelike heat pipe and spiral runner, the spiral runner sets up inside the lateral wall of install bin, the both ends of snakelike heat pipe respectively with spiral runner's inlet and liquid outlet fixed connection, the fan corresponds the setting with snakelike heat pipe, improves the radiating effect.

Further, the cooling module still includes the circulating pump, the circulating pump sets up in the right flank lower extreme of install bin, the circulating pump is established ties in the lower extreme of snakelike heat pipe, the output of control switch group is connected to the input electricity of circulating pump, increases the circulation rate of coolant liquid.

Further, cooling module still includes water tank and cotton, the water tank sets up in the inside bottom surface of outer container body, the cotton sets up in the left surface of fan, the lower extreme of cotton extends to the inside lower extreme of water tank, makes moisture volatilize fast through the cotton to reduce surrounding environment's temperature, improve cooling efficiency.

Compared with the prior art, the invention has the beneficial effects that: this energy memory for photovoltaic microgrid has following benefit:

1. through the rotatory worm of outside instrument, the worm drives two worm wheel rotations respectively, and the worm wheel drives rather than fixed connection's connecting cylinder and rotates, because the both ends of connecting cylinder respectively with two stopper internal thread connections that transversely correspond, and the screw thread opposite direction at connecting cylinder both ends, the connecting cylinder drives two stopper opposite direction removals that transversely correspond at the pivoted in-process to adjust the pressure to the spring, conveniently adjust the size of shock resistance.

2. When the outer box body is vibrated, the bottom of the outer box body moves upwards, the installation box is kept in a static state due to inertia, the installation box moves downwards relative to the outer box body, the installation box drives the 20866and 20866the type seat to move downwards, the end, far away from the sliding block, of the connecting rod is driven by the type seat to move downwards, the acute angle between the connecting rod and the horizontal plane is reduced, the end, connected with the sliding block, of the connecting rod pushes the sliding block to slide on the outer arc surface of the supporting rod, the spring is extruded in the sliding process, the installation box is buffered through the elastic force of the spring, accordingly, the damage of the energy storage battery due to overlarge external vibration is avoided, the influence of the external vibration on the energy storage battery is reduced, and the service life is prolonged.

3. Control fan and circulating pump work respectively through the control switch group, circulating pump work makes snakelike heat pipe and the inside coolant liquid circulation of spiral flow channel flow, the coolant liquid absorbs the inside of the heat that the install bin lateral wall gathered and carries to snakelike heat pipe, fan work is bloied to the surface of snakelike heat pipe, the inside moisture of water tank is absorbed to the cotton and constantly evaporates, the heat of surrounding environment is absorbed in the process of moisture evaporation, the fan blows the cold air on every side to snakelike heat pipe and dispels the heat to it, thereby make the inside coolant liquid of snakelike heat pipe constantly derive the inside heat of install bin, and the heat dissipation efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial cross-sectional structural schematic of the present invention;

FIG. 3 is a schematic cross-sectional plan view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A of the present invention.

In the figure: the device comprises an outer box 1, a dovetail groove 101, an installation box 2, an energy storage battery 3, a control switch group 4, a cooling assembly 5, a fan 51, a snake-shaped heat conduction pipe 52, a spiral flow channel 53, a circulating pump 54, a water tank 55, cotton cloth 56, a damping assembly 6, a fixed seat 61, a supporting rod 62, a sliding block 63, a spring 64, a limiting block 65, a connecting rod 66, a Jiong type seat 67, an adjusting assembly 7, a support 71, a connecting cylinder 72, a worm gear 73 and a worm 74.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment provides a technical solution: an energy storage device for a photovoltaic microgrid comprises an outer box body 1, a cooling assembly 5 and an adjusting assembly 7;

outer box 1: the inner bottom surface of the box is provided with a damping component 6, the upper end of the damping component 6 is provided with an installation box 2, the inner part of the installation box 2 is provided with an energy storage battery 3, the damping component 6 comprises fixed seats 61, support rods 62, sliding blocks 63, springs 64, limiting blocks 65, connecting rods 66 and a 20866, the fixed seats 61 are symmetrically arranged on the inner bottom surface of the outer box body 1, the support rods 62 are arranged between the two transversely corresponding fixed seats 61, the sliding blocks 63 are slidably connected with the left and right ends of the outer arc surface of the support rods 62, the upper ends of the sliding blocks 63 are rotatably connected with the connecting rods 66, the upper ends of the connecting rods 66 are rotatably connected with Jiong type seats 67 and 20866through pin shafts, the upper surfaces of the type seats 67 are fixedly connected with the lower surface of the installation box 2, the limiting blocks 65 are symmetrically slidably connected with the inner bottom surface of the outer box body 1, the springs 64 are arranged between the sliding blocks 63 and the adjacent limiting blocks 65, the springs 64 are respectively sleeved on the outer arc surfaces of the adjacent connecting rods 66, the energy storage battery 3 is damped and buffered, the dovetail grooves 101 are symmetrically arranged on the inner bottom surface of the outer box body 1, the limiting blocks 65 are respectively connected with the inner walls of the adjacent dovetail grooves 101 in a sliding manner, the limiting block 65 is limited, when the outer box body 1 is vibrated, the bottom of the outer box body 1 moves upwards, at the moment, the installation box 2 keeps a static state due to inertia, the installation box 2 moves downwards relative to the outer box body 1, the installation box 2 drives the Jiong type seat 67 to move downwards, 20866;, the type seat 67 drives the end of the connecting rod 66 far away from the sliding block 63 to move downwards, the acute angle between the connecting rod 66 and the horizontal plane is reduced, one end of the connecting rod 66 connected with the sliding block 63 pushes the sliding block 63 to slide on the outer arc surface of the supporting rod 62, the spring 64 is extruded in the sliding process, the mounting case 2 is buffered by the elastic force of the spring 64, so that damage to the energy storage battery 3 due to excessive external vibration is avoided.

Wherein: the refrigerator also comprises a control switch group 4, wherein the control switch group 4 is arranged on the front side surface of the outer box body 1, and the input end of the control switch group 4 is electrically connected with an external power supply to control the operation of electrical elements.

The cooling component 5: the cooling component 5 comprises a fan 51, the fan 51 is arranged on the right side wall of the outer box 1, the fan 51 is arranged corresponding to the installation box 2, the input end of the fan 51 is electrically connected with the output end of the control switch group 4 to dissipate heat of the installation box 2, the cooling component 5 further comprises a serpentine heat pipe 52 and a helical flow passage 53, the helical flow passage 53 is arranged inside the side wall of the installation box 2, two ends of the serpentine heat pipe 52 are respectively fixedly connected with the liquid inlet and the liquid outlet of the helical flow passage 53, the fan 51 is arranged corresponding to the serpentine heat pipe 52 to improve the heat dissipation effect, the cooling component 5 further comprises a circulating pump 54, the circulating pump 54 is arranged at the lower end of the right side surface of the installation box 2, the circulating pump 54 is connected in series with the lower end of the serpentine heat pipe 52, the input end of the circulating pump 54 is electrically connected with the output end of the control switch group 4 to increase the circulation rate of the cooling liquid, the cooling assembly 5 further comprises a water tank 55 and cotton cloth 56, the water tank 55 is disposed on the inner bottom surface of the outer box 1, the cotton cloth 56 is disposed on the left side surface of the fan 51, the lower end of the cotton cloth 56 extends to the inner lower end of the water tank 55, water is rapidly volatilized through the cotton cloth, so that the temperature of the surrounding environment is reduced, the cooling efficiency is improved, the fan 51 and the circulating pump 54 are respectively controlled to work through the control switch group 4, the circulating pump 54 works to enable the cooling liquid inside the serpentine heat pipe 52 and the spiral flow channel 53 to circularly flow, the cooling liquid absorbs heat accumulated on the side wall of the installation box 2 and is conveyed to the inside of the serpentine heat pipe 52, the fan 51 works to blow air to the surface of the serpentine heat pipe 52, the cotton cloth 56 absorbs water inside the water tank 55 and continuously evaporates, the heat of the surrounding environment is absorbed in the process of water evaporation, the fan 51 blows the surrounding cold air to the serpentine heat pipe 52 to dissipate the heat, so that the coolant inside the serpentine heat transfer pipe 52 continuously conducts the heat inside the installation case 2.

The adjusting component 7: set up in the inside bottom surface of outer box 1, adjusting part 7 sets up with damper 6 cooperation, and adjusting part 7 includes support 71, connecting cylinder 72, worm wheel 73 and worm 74, and support 71 symmetry sets up in the inside bottom surface of outer box 1, and worm 74 rotates with the upper end of support 71 is connected respectively, and the both ends of connecting cylinder 72 respectively with two stopper 65 internal thread connections that transversely correspond, the extrados of connecting cylinder 72 is connected with the backup pad upper end internal rotation that outer box 1 internal bottom surface set up respectively, and the screw direction at connecting cylinder 72 both ends is opposite, and worm wheel 73 sets up in the extrados of connecting cylinder 72, and worm wheel 73 and worm 74 mesh are connected, and the both ends of worm 74 pass the front and back lateral wall of outer box 1 respectively and extend to the outside of outer box 1, through the rotatory worm 74 of external tool, worm 74 drives two worm wheel 73 rotations respectively, and worm wheel 73 drives connecting cylinder 72 rather than fixed connection and rotate, because the both ends of connecting cylinder 72 respectively with two stopper 65 internal thread connections that transversely correspond, the extrados of connecting cylinder 72 rotates with the backup pad internal rotation that sets up of outer box 1 respectively and the upper end internal rotation and the adjusting cylinder's of two battery pressure adjusting spring 64 in the opposite directions that the process of the opposite direction that the outer box was realized.

The working principle of the energy storage device for the photovoltaic microgrid provided by the invention is as follows:

the energy storage battery 3 stores the electric energy generated by the solar cell panel, the worm 74 is rotated by an external tool, the worm 74 respectively drives the two worm gears 73 to rotate, the worm gears 73 drive the connecting cylinders 72 fixedly connected with the worm gears 72 to rotate, because the two ends of the connecting cylinders 72 are respectively in threaded connection with the inner parts of the two transverse corresponding limiting blocks 65, the outer arc surfaces of the connecting cylinders 72 are respectively in rotational connection with the inner parts of the upper ends of the supporting plates arranged on the inner bottom surface of the outer box 1, the thread directions of the two ends of the connecting cylinders 72 are opposite, the connecting cylinders 72 drive the two transverse corresponding limiting blocks 65 to move in opposite directions in the rotating process, so as to adjust the pressure on the spring 64, when the outer box 1 is vibrated, the bottom of the outer box 1 moves upwards, at the moment, the installation box 2 keeps a static state due to inertia, the installation box 2 moves downwards relative to the outer box 1, the installation box 2 drives the Jiong model 5363 to move downwards, 20866a, the connecting rod 66 is driven by the type seat 67 to move downwards away from the end of the sliding block 63, the acute angle between the connecting rod 66 and the horizontal plane is reduced, the end of the connecting rod 66 connected with the sliding block 63 pushes the sliding block 63 to slide on the outer arc surface of the supporting rod 62, the spring 64 is extruded in the sliding process, the installation box 2 is buffered by the elastic force of the spring 64, so that the energy storage battery 3 is prevented from being damaged due to overlarge external vibration, the fan 51 and the circulating pump 54 are respectively controlled to work by controlling the switch group 4, the circulating pump 54 works to enable the cooling liquid in the serpentine heat pipe 52 and the spiral flow passage 53 to circularly flow, the cooling liquid absorbs the heat accumulated on the side wall of the installation box 2 and is conveyed to the interior of the serpentine heat pipe 52, the fan 51 works to blow air to the surface of the serpentine heat pipe 52, the water 56 absorbs the water in the water tank 55 and continuously evaporates, and the heat of the surrounding environment is absorbed in the process of water evaporation, the fan 51 blows the surrounding cold air to the serpentine heat transfer pipe 52 to dissipate the heat, so that the coolant inside the serpentine heat transfer pipe 52 continuously leads out the heat inside the mounting box 2, thereby improving the heat dissipation efficiency.

It should be noted that the fan 51 and the circulating pump 54 disclosed in the above embodiments can be freely configured according to practical application scenarios, the fan 51 is suggested to be an SJ1238LE6-AEC axial flow fan, the circulating pump 54 is suggested to be a USB2415-1 circulating direct-flow water pump, and the control switch group 4 is provided with buttons corresponding to the fan 51 and the circulating pump 54 one by one for controlling the on-off operation thereof.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an energy memory for photovoltaic microgrid which characterized in that: comprises an outer box body (1), a cooling component (5) and an adjusting component (7);

outer case (1): a damping component (6) is arranged on the bottom surface of the interior of the box body, an installation box (2) is arranged at the upper end of the damping component (6), and an energy storage battery (3) is arranged in the installation box (2);

cooling assembly (5): are respectively arranged in the outer box body (1) and the mounting box (2);

adjusting assembly (7): the adjusting component (7) is arranged on the inner bottom surface of the outer box body (1) in a matched mode, and the damping component (6) is arranged in a matched mode.

2. The energy storage device for the photovoltaic microgrid of claim 1, characterized in that: the box body is characterized by further comprising a control switch group (4), wherein the control switch group (4) is arranged on the front side face of the outer box body (1), and the input end of the control switch group (4) is electrically connected with an external power supply.

3. The energy storage device for the photovoltaic microgrid of claim 1, characterized in that: damping component (6) include fixing base (61), bracing piece (62), slider (63), spring (64), stopper (65), connecting rod (66) and 20866;. Type seat (67), fixing base (61) symmetry sets up in the inside bottom surface of outer box (1), all is equipped with bracing piece (62) between two fixing base (61) that transversely correspond, both ends all sliding connection has slider (63) about the extrados of bracing piece (62), the upper end of slider (63) all rotates and is connected with connecting rod (66), and the upper end of connecting rod (66) all is connected with Jiong type seat (67) through the round pin axle rotation, the upper surface of Jiong type seat (67) all is connected with the lower fixed surface of install bin (2), stopper (65) symmetry sliding connection is in the inside bottom surface of outer box (1), all be equipped with spring (64) between slider (63) and adjacent stopper (65), spring (64) respectively in adjacent connecting rod (66) extrados face, adjust subassembly (7) and stopper (65) cooperation setting.

4. The energy storage device for the photovoltaic microgrid of claim 3, characterized in that: the inner bottom surface of the outer box body (1) is symmetrically provided with dovetail grooves (101), and the limiting blocks (65) are respectively connected with the inner walls of the adjacent dovetail grooves (101) in a sliding mode.

5. The energy storage device for the photovoltaic microgrid of claim 3, characterized in that: adjusting part (7) include support (71), connecting cylinder (72), worm wheel (73) and worm (74), support (71) symmetry sets up in the inside bottom surface of outer box (1), worm (74) are connected with the upper end internal rotation of support (71) respectively, the both ends of connecting cylinder (72) respectively with two stopper (65) internal thread connection that transversely correspond, the extrados of connecting cylinder (72) is connected with the backup pad upper end internal rotation that outer box (1) inside bottom surface set up respectively, the screw direction at connecting cylinder (72) both ends is opposite, worm wheel (73) set up in the extrados of connecting cylinder (72), worm wheel (73) and worm (74) meshing are connected, the both ends of worm (74) pass the front and back lateral wall of outer box (1) respectively and extend to the outside of outer box (1).

6. The energy storage device for the photovoltaic microgrid of claim 2, characterized in that: the cooling assembly (5) comprises a fan (51), the fan (51) is arranged on the right side wall of the outer box body (1), the fan (51) is arranged corresponding to the installation box (2), and the input end of the fan (51) is electrically connected with the output end of the control switch group (4).

7. The energy storage device for the photovoltaic microgrid of claim 6, characterized in that: cooling module (5) still include snakelike heat pipe (52) and spiral runner (53), spiral runner (53) set up inside the lateral wall of install bin (2), the both ends of snakelike heat pipe (52) respectively with the inlet and the liquid outlet fixed connection of spiral runner (53), fan (51) correspond the setting with snakelike heat pipe (52).

8. The energy storage device for the photovoltaic microgrid of claim 7, characterized in that: the cooling assembly (5) further comprises a circulating pump (54), the circulating pump (54) is arranged at the lower end of the right side face of the installation box (2), the circulating pump (54) is connected to the lower end of the snake-shaped heat conduction pipe (52) in series, and the input end of the circulating pump (54) is electrically connected with the output end of the control switch group (4).

9. The energy storage device for the photovoltaic microgrid of claim 6, characterized in that: cooling element (5) still include water tank (55) and cotton (56), water tank (55) set up in the inside bottom surface of outer container (1), cotton (56) set up in the left surface of fan (51), the lower extreme of cotton (56) extends to the inside lower extreme of water tank (55).