A frequency conversion device used in microgrid power control and energy storage control technology

Abstract

The present invention relates to the field of frequency converter technology, a frequency conversion device used in microgrid power control and energy storage control technology, including a cabinet and a plurality of wire harness assemblies. An assembly port is provided at the bottom of the cabinet, and the plurality of wire harness assemblies are arranged in the assembly port. The wire harness assembly includes a carrier, a wire barrel and two arc-shaped wire baffles. The wire barrel is provided on the inner side of the carrier, and a wire inlet is provided on the wire barrel. Guide slopes are provided on the side walls of the wire barrel and on both sides of the wire inlet. An annular assembly cavity is provided inside the wire barrel, and the first ends of the two arc-shaped wire baffles are provided in the annular assembly cavity. The second ends of the two arc-shaped wire baffles pass through the two guide slopes respectively and extend to the outside of the wire barrel. When the present invention connects the wires, the operator's two hands will not be restrained, and the ends of the wires do not need to be aligned with any object to pass through the cabinet and the wire barrel. The present invention has the advantages of simple operation steps and easy use.

Description

Technical Field

[0001] The present invention relates to the field of frequency converter technology, and more specifically to a frequency converter device used in microgrid power control and energy storage control technology. Background Art

[0002] A microgrid is a small-scale power generation and distribution system consisting of distributed power sources, energy storage devices, energy conversion devices, loads, and monitoring and protection devices. The microgrid aims to enable flexible and efficient use of distributed power sources and address the grid connection challenges of a large number of diverse distributed power sources. Frequency converters play a key role in microgrid power control and energy storage control technology. In a microgrid, the output power of distributed power sources can vary depending on various factors, including the natural environment and load demand. By regulating the output power of distributed power sources with frequency converters, precise power control can be achieved within the microgrid, ensuring its stable operation.

[0003] In existing technology, to protect the normal operation of inverter components, the inverter is usually installed in a cabinet, and a wire harness assembly is required inside the cabinet to limit the position of the wires. For example, the Chinese utility model patent with patent application number "CN202321481086.5" provides an inverter cabinet. The wires can be limited by the combination of a wire harness plate, a wire harness trough, and a clamp block, effectively preventing the wires from becoming tangled during installation. The clamp block, a first protective pad, a second protective pad, a spring, a handle, a limit slot, and a limit block can be used together to clamp and secure the wires, preventing them from shaking or deviating.

[0004] However, this device has drawbacks. When connecting wires, the operator must first use one hand to pull the handle to remove the clamp, opening the cable trough. This hand cannot release the handle. Furthermore, in subsequent operations, to ensure the wires pass smoothly through the cable holes or cable troughs, the operator must align the ends of the wires with the centers of the holes and cable troughs. Otherwise, the wires will collide with the cabinet or cable tie plate, preventing them from being properly secured by the cable tie assembly. In other words, this device suffers from cumbersome operation steps and inconvenience. Summary of the Invention

[0005] The purpose of the present invention is to provide a frequency conversion device for use in microgrid power control and energy storage control technology. When connecting wires, the operator's hands will not be restricted, and the ends of the wires do not need to be aligned with any objects to pass through the cabinet and the cable drum. The present invention has the advantages of simple operation steps and easy use.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a frequency conversion device applied to microgrid power control and energy storage control technology, comprising a cabinet and a plurality of wire harness assemblies, wherein an assembly opening is provided at the bottom of the cabinet, and the plurality of wire harness assemblies are arranged in the assembly opening and are closely arranged along the length extension direction of the assembly opening; the wire harness assembly comprises: a carrier fixedly arranged on the side wall of the assembly opening, the carrier being a U-shaped structure; a wire harness drum, arranged on the inner side of the carrier and capable of sliding along the inner side wall of the carrier, the wire harness drum being provided with a wire inlet, the wire inlet passing through The top and bottom surfaces of the cable drum, the cable inlet and the open end of the carrier are located on the same side; two arc-shaped wire baffles, guide slopes are provided on the side walls of the cable drum and on both sides of the cable inlet, an annular assembly cavity is provided inside the cable drum, the two ends of the annular assembly cavity respectively pass through the two guide slopes, the first ends of the two arc-shaped wire baffles are both arranged in the annular assembly cavity, the second ends of the two arc-shaped wire baffles respectively pass through the two guide slopes and extend to the outside of the cable drum, and the arc-shaped wire baffles can slide along the inner wall of the annular assembly cavity.

[0007] Preferably, it also includes a wire fixing component, which includes: an elastic bent plate, which is arranged on the inner side of the wire barrel, the elastic bent plate has a U-shaped structure, and the open end of the elastic bent plate is located on the side away from the wire inlet; an electric telescopic rod, a first assembly groove is provided on the inner side wall of the wire barrel, the electric telescopic rod is arranged in the first assembly groove and is fixedly connected to the side wall of the first assembly groove, and the output end of the electric telescopic rod faces the elastic bent plate; an adjusting member, which is fixedly arranged at the output end of the electric telescopic rod, the elastic bent plate is arranged on the inner side of the elastic bent plate, the elastic bent plate is fixedly connected to the adjusting member, and there is a gap between the middle part of the elastic bent plate and the middle part of the adjusting member.

[0008] Preferably, the middle part of the elastic bent plate is provided with two protrusions and a recessed part, the recessed part is located between the two protrusions, and two guide planes are provided on the inner side wall of the cable drum, and the two guide planes are respectively adjacent to the two guide inclined surfaces; the wire fixing assembly also includes two limit plates, the two limit plates are respectively provided on the two guide planes, and the structure is mirror-symmetrical, a second assembly groove is provided on the inner side wall of the cable drum and on both sides of the first assembly groove, a first support plate is provided on the top and bottom of the limit plate, and the limit plate, the first support plate and the guide plane are together The two ends of the elastic bent plate respectively pass through the two ring-shaped structures and extend into the second assembly groove, and the elastic bent plate can slide along the inner wall of the second assembly groove; the adjusting member includes an adjusting bent plate, and a plurality of second support plates are fixedly provided on both sides of the adjusting bent plate, and the plurality of second support plates are evenly distributed at equal intervals. A first avoidance opening is provided in the middle of the limiting plate, and the second support plate passes through the first avoidance opening and is fixedly connected to the elastic bent plate, and the distance between the second support plate and the protrusion is greater than the distance between the second support plate and the end of the elastic bent plate.

[0009] Preferably, the wiring harness assembly also includes an opening and closing control assembly, which includes: a wiring block fixedly arranged on the top surface of the wiring drum and located on the side away from the wiring inlet, and a wiring groove is provided on the top of the wiring block; two arc-shaped racks, and the bottom of the outer side walls of the two arc-shaped wire baffles are provided with a third assembly groove, the two arc-shaped racks are respectively arranged in the two third assembly grooves, and are respectively fixedly connected to the two arc-shaped wire baffles, and the bottom of the outer side wall of the wiring drum is provided with two second avoidance openings, and the positions of the two second avoidance openings respectively correspond to the positions of the two arc-shaped racks, and the second avoidance openings are connected to the annular The assembly cavity is connected; two linear racks are both provided at the open end of the carrier and are respectively fixed on the inner side walls of the carrier, the linear rack and the second avoidance opening are at the same height, and the linear rack can engage with the arc-shaped rack for transmission; a traction member is provided below the wire barrel, and the traction member includes a vertical rod and a wire hook plate, the vertical rod is located on the side away from the wire inlet, the first end of the vertical rod is fixedly connected to the bottom surface of the wire barrel, and the second end of the vertical rod is fixedly connected to the wire hook plate, the wire hook plate has a C-shaped structure, and the direction of the open end of the wire hook plate is different from the direction of the open end of the carrier.

[0010] Preferably, a first protrusion is fixedly provided at the bottom of the outer wall on both sides of the wire bundle, and a first slide is provided on the inner wall on both sides of the supporting frame. The first protrusion extends into the first slide and can slide along the first slide. The length of the supporting frame is greater than four times the length of the linear rack.

[0011] Preferably, a dustproof component is provided on the inner side of the carrier, and the dustproof component is provided on the side of the carrier close to the linear rack. The dustproof component includes an assembly box, the top surface of the assembly box is open, the assembly box can slide along the inner wall of the carrier, the assembly box is detachably connected to the carrier, and the assembly box is provided with an arc-shaped avoidance groove near one end of the carrier, and the bottom surface of the assembly box is provided with a first dustproof net.

[0012] Preferably, the outer walls on both sides of the assembly box are provided with a second slide, and the two linear racks are respectively arranged in the two second slides and can slide along the second slide; the dust-proof component also includes: a display plate, which is arranged on the inner side of the assembly box, and the middle part of the display plate is rotatably connected to the inner side wall of the assembly box, the length of the display plate is smaller than the length of the assembly box, the first end of the display plate is provided with an identification plate, and the second end of the display plate is provided with a clamping groove; a positioning plate, which is arranged on the inner side of the assembly box and is located between the display plate and the first dust-proof net, and both ends of the positioning plate are fixedly connected to the inner side wall of the assembly box; a clamping block, which is fixedly arranged on the top surface of the positioning plate, the position of the clamping block corresponds to the position of the clamping groove, and the shape of the clamping block matches the shape of the clamping groove.

[0013] Preferably, it also includes two heat dissipation components, and the structures of the two heat dissipation components are mirror-symmetrical, and the heat dissipation components include: an air inlet component, an air inlet is provided on the side wall of the cabinet, the air inlet component is arranged in the air inlet, and the air inlet component includes an air outlet end; a heat dissipation pipe, which is arranged inside the cabinet, and the first end of the heat dissipation pipe is connected to the air outlet end of the air inlet component; an air outlet box, which is arranged inside the cabinet and is located above the wire bundle, the air outlet box is fixedly connected to the inner side wall of the cabinet, the second end of the heat dissipation pipe is connected to the interior of the air outlet box, and the bottom surface of the air outlet box is provided with a plurality of evenly distributed air outlet holes, and the length of the air outlet box is greater than the length of the supporting frame.

[0014] Preferably, the air intake assembly includes: a supporting frame, which is fixedly connected to the cabinet, and a fan is provided on the inner side of the supporting frame; a second dustproof net, which is fixed on the side of the supporting frame away from the heat dissipation pipe; and an air collecting box, which is trumpet-shaped, and the opening width of the first end of the air collecting box is greater than the opening width of the second end, the first end of the air collecting box is connected to the inner side of the supporting frame, and the second end of the air collecting box is connected to the first end of the heat dissipation pipe.

[0015] Preferably, the heat dissipation pipe is arranged to bend back and forth in a serpentine shape, and a fourth assembly groove is provided on the side of the heat dissipation pipe away from the inner wall of the cabinet. A heat conduction plate is provided in the fourth assembly groove, and the shape of the heat conduction plate matches the shape of the heat dissipation pipe.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) The present invention includes a cabinet and several wire harness assemblies. When connecting wires, the operator's hands will not be restrained, and the ends of the wires do not need to be aligned with any object to pass through the cabinet and the wire harness. The present invention has the advantages of simple operation steps and easy use.

[0018] (2) The present invention also includes a wire-fixing assembly and an opening and closing control assembly, both of which are mounted on the wire-binding reel. The wire-fixing assembly secures the wires and prevents them from moving after connection. The opening and closing control assembly controls the contact and separation of the two curved wire retaining plates, facilitating connection and removal of wires.

[0019] (3) The present invention also includes a dustproof assembly, comprising an assembly box having an arcuate relief groove at one end of the assembly box near the support frame, and a first dust screen on the bottom surface of the assembly box. When the wires are connected, the arcuate relief groove abuts against the outer wall of the cable tie barrel, preventing the barrel from moving freely. When the cabinet door is closed, the assembly box is restrained and cannot move, and the first dust screen prevents dust from entering the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an axonometric view of the present invention after the cabinet door is opened;

[0021] Figure 2 This is an axonometric drawing of the cabinet of the present invention;

[0022] Figure 3 This is an axonometric view at one angle when the wiring harness assembly and the dustproof assembly of the present invention are installed together;

[0023] Figure 4 This is an axonometric view from another angle when the wiring harness assembly and the dustproof assembly are installed together in the present invention;

[0024] Figure 5 This is an axonometric view of the carrier frame of the present invention;

[0025] Figure 6 It is an axonometric view of the wire harness assembly of the present invention when two arc-shaped wire baffles are attached;

[0026] Figure 7 It is an axonometric view of the wire harness assembly of the present invention after the two arc-shaped wire baffles are separated;

[0027] Figure 8 This is an axonometric exploded view of the cable bobbin of the present invention;

[0028] Figure 9 for Figure 8 Enlarged view of point A in the middle;

[0029] Figure 10 for Figure 8 Enlarged view of point B in the middle;

[0030] Figure 11 This is an axonometric exploded view of the arc-shaped wire baffle in the present invention;

[0031] Figure 12 This is an axonometric exploded view of the wire fixing assembly of the present invention;

[0032] Figure 13 is a top cross-sectional view of the wire harness assembly of the present invention when the elastic bent plate is not in contact with the wires;

[0033] Figure 14 is a top cross-sectional view of the wire harness assembly of the present invention after the elastic bent plate contacts the wire;

[0034] Figure 15 It is an axonometric drawing of the assembly box of the present invention;

[0035] Figure 16 This is an axonometric drawing of the display board of the present invention;

[0036] Figure 17 is an axonometric view of the heat dissipation assembly of the present invention;

[0037] Figure 18 An exploded isometric view of the heat dissipation assembly of the present invention at one angle;

[0038] Figure 19 This is an axonometric exploded view of the heat dissipation assembly of the present invention from another angle;

[0039] Figure 20 This is an axonometric exploded view of the heat dissipation pipe of the present invention;

[0040] Figure 21 It is an axonometric view of the present invention after the dustproof component is removed;

[0041] Figure 22 It is an axonometric drawing of the present invention after the cabinet door is closed.

[0042] Reference numerals include:

[0043] 1-cabinet, 11-assembly port, 12-air inlet, 13-cabinet door, 2-wire harness assembly, 21-carrying frame, 211-first slide, 22-wire harness barrel, 221-wire inlet, 222-guide slope, 223-annular assembly cavity, 224-first assembly groove, 225-guide plane, 226-second assembly groove, 227-second avoidance port, 228-first protrusion, 23-arc-shaped baffle plate, 231-third assembly groove, 3-fixed wire assembly, 31-elastic bent plate, 311-protrusion, 312-recessed portion, 32-electric telescopic rod, 33-adjusting member, 331-adjusting bent plate, 332-second support plate, 34-limiting plate, 341-first support plate, 342-first avoidance port, 4-opening and closing control Components, 41- wiring block, 411- wiring groove, 42- arc-shaped rack, 43- linear rack, 44- traction piece, 441- vertical rod, 442- hook plate, 45- magnet, 46- metal plate, 5- dustproof component, 51- assembly box, 511- arc-shaped avoidance groove, 512- second slide, 52- first dustproof net, 53- display board, 531- card slot, 54- signboard, 55- positioning plate, 56- card block, 6- heat dissipation component, 61- air inlet component, 611- load frame, 612- fan, 613- second dustproof net, 614- wind gathering box, 62- heat pipe, 621- fourth assembly slot, 63- air outlet box, 631- air outlet, 64- heat conduction plate, 7- inverter body, 8- wires. DETAILED DESCRIPTION

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example

[0045] See also Figure 1-22The present invention provides a technical solution: a frequency conversion device used in microgrid power control and energy storage control technology, comprising a cabinet 1 and a plurality of wire harness assemblies 2. The plurality of wire harness assemblies 2 are all arranged in the assembly port 11 at the bottom of the cabinet 1, and the inverter body 7 is arranged above the wire harness assembly 2. The wire harness assembly 2 includes a carrier 21, a wire harness drum 22 and two arc-shaped wire baffles 23. The carrier 21 is a U-shaped structure, and the wire harness drum 22 is arranged on the inner side of the carrier 21. When the wire harness drum 22 is pulled, the wire harness drum 22 can slide back and forth along the inner side wall of the carrier 21. A wire inlet 221 is provided on the wire harness drum 22, and an annular assembly cavity 223 is provided inside the wire harness drum 22. Two arc-shaped wire baffles 23 are both arranged in the annular assembly cavity 223. Guide slopes 222 are provided on both sides of the wire inlet 221. The two arc-shaped wire baffles 23 pass through the two guide slopes 222 respectively and extend to the outside of the wire harness drum 22.

[0046] When connecting the wires 8, first open the cabinet door 13, move the wire bundle 22 to the front end of the carrier 21, and then push both arc-shaped wire baffles 23 into the annular assembly cavity 223, so that the wire inlet 221 is in an open state. Then move the end of the wire 8 to the top of the wire bundle 22. The end of the wire 8 does not need to be aligned with any object, and the wire 8 can be directly placed inside the wire bundle 22. Then pull both arc-shaped wire baffles 23 out of the annular assembly cavity 223, and fit the arc-shaped wire baffles 23 together, so that the wire inlet 221 is in a closed state. At this time, the range of movement of the wire 8 is limited to the circular space formed by the wire bundle 22 and the two arc-shaped wire baffles 23. Finally, move the wire bundle 22 to the rear end of the carrier 21, connect the end of the wire 8 to the inverter body 7, and then close the cabinet door 13.

[0047] When connecting the wires 8, the operator's hands will not be bound, and the ends of the wires 8 do not need to be aligned with any objects to pass through the cabinet 1 and the wire barrel 22. The present invention has the advantages of simple operation steps and easy use. Example

[0048] Based on Example 1, please refer to Figure 1-14 The present invention further includes a wire fixing assembly 3 and an opening and closing control assembly 4, both of which are mounted on the wire barrel 22. The wire fixing assembly 3 secures the wires 8 and prevents them from moving after they are connected. The opening and closing control assembly 4 controls the contact and separation of the two arc-shaped wire retaining plates 23, facilitating connection and removal of wires.

[0049] See also Figure 6-12The wire fixing assembly 3 includes an elastic bent plate 31, an electric telescopic rod 32 and a position adjusting member 33. The electric telescopic rod 32 is arranged in the first assembly groove 224 on the inner side wall of the cable barrel 22. The position adjusting member 33 is fixedly arranged at the output end of the electric telescopic rod 32. The elastic bent plate 31 is fixedly connected to the position adjusting member 33. Figure 13 Before the end of the wire 8 is connected to the inverter body 7, the elastic bent plate 31 is not in contact with the wire 8. Figure 14 After the end of the wire 8 is connected to the inverter body 7, the electric telescopic rod 32 extends, driving the adjustment member 33 forward. The adjustment member 33 then drives the elastic curved plate 31 forward, and the elastic curved plate 31 contacts the wire 8. At this time, the elastic curved plate 31 elastically deforms, applying pressure to the wire 8. Together with the two curved wire retaining plates 23, it secures the wire 8 and prevents it from moving. When the wire 8 is to be removed, the electric telescopic rod 32 shortens, allowing the elastic curved plate 31 to separate from the wire 8, allowing the wire 8 to move inside the movable wire barrel 22. After the two curved wire retaining plates 23 separate, the wire 8 can be removed.

[0050] See also Figure 8-10 The middle part of the elastic bent plate 31 is provided with two protrusions 311 and a recessed part 312. The inner side wall of the cable drum 22 is provided with two guide planes 225. The two guide planes 225 are respectively adjacent to the two guide inclined surfaces 222. Figure 9-10 and Figure 13-14 The wire fixing assembly 3 also includes two limiting plates 34. The top and bottom of the limiting plates 34 are each provided with a first support plate 341. The limiting plates 34, the first support plate 341 and the guide plane 225 together form a ring-shaped structure. The inner side wall of the cable drum 22 is also provided with two second assembly grooves 226. The two ends of the elastic bent plate 31 pass through the two ring-shaped structures and extend into the second assembly grooves 226. Figure 12 The adjusting member 33 includes an adjusting bent plate 331, and a plurality of second support plates 332 are fixedly provided on both sides of the adjusting bent plate 331. A first avoidance opening 342 is provided in the middle of the limiting plate 34, and the second support plate 332 passes through the first avoidance opening 342 and is fixedly connected to the elastic bent plate 31.

[0051] See also Figure 13-14When the electric telescopic rod 32 is extended, the adjusting bent plate 331 drives the elastic bent plate 31 to approach the wire 8 through the plurality of second support plates 332. During this process, the elastic bent plate 31 slides along the guide plane 225, and the recessed portion 312 first fits against the wire 8, applying pressure to the rear side of the wire 8. Since the angle between the guide plane 225 and the guide inclined surface 222 is greater than 180°, the protrusion 311 can smoothly enter the space between the wire 8 and the guide inclined surface 222. As the adjusting member 33 continues to drive the elastic bent plate 31 forward, the two sides of the protrusion 311 respectively abut against the wire 8 and the guide inclined surface 222. Since there are two protrusions 311, the two protrusions 311 respectively apply pressure to the left and right sides of the wire 8 to prevent the wire 8 from moving. During the forward movement of the elastic bent plate 31, the end portion of the elastic bent plate 31 slides along the second assembly groove 226. When the end portion of the elastic bent plate 31 leaves the second assembly groove 226, it is restricted by the first support plate 341. When the electric telescopic rod 32 is shortened, the end portion of the elastic bent plate 31 can smoothly return to the second assembly groove 226.

[0052] See also Figure 3-9 The opening and closing control component 4 includes a wiring block 41, two arc-shaped racks 42, two linear racks 43 and a traction member 44. The wiring block 41 is fixedly arranged on the top surface of the cable drum 22, and a wiring groove 411 is provided on the top of the wiring block 41. The bottom of the outer wall of the two arc-shaped wire baffles 23 is provided with a third assembly groove 231, and the two arc-shaped racks 42 are respectively arranged in the two third assembly grooves 231, and the bottom of the outer wall of the cable drum 22 is provided with two second avoidance openings 227. The two linear racks 43 are both arranged at the open end of the supporting frame 21, and the traction member 44 is arranged below the cable drum 22. The traction member 44 includes a vertical rod 441 and a wire hook plate 442. The wire hook plate 442 has a C-shaped structure, and the direction of the open end of the wire hook plate 442 is different from the direction of the open end of the supporting frame 21.

[0053] See also Figure 1 、 Figure 3-9 and Figure 21Before opening the cabinet door 13 to connect the wires 8, first manually pull the vertical rod 441 forward to move the wire reel 22 to the front end of the carrier 21. During this process, the linear rack 43 can enter the second avoidance opening 227 and engage with the arc-shaped rack 42. The linear rack 43 drives the arc-shaped rack 42 to rotate forward, and the arc-shaped rack 42 drives the arc-shaped wire baffle 23 to rotate. The two arc-shaped wire baffles 23 separate and enter the annular assembly cavity 223. At this time, the operator first inserts the end of the wire 8 into the wire groove 411, and then puts the wire 8 into the inner side of the wire reel 22 from the wire inlet 221, and then hooks the wire 8 through the wire hook plate 442. Next, manually pull the vertical rod 441 backward to move the wire reel 22 to the rear end of the carrier 21. During this process, the linear rack 43 drives the arc-shaped rack 42 to rotate in the opposite direction, and the two arc-shaped wire baffles 23 leave the annular assembly cavity 223 and fit together. At this time, the operator can take out the end of the wire 8 from the wiring groove 411 and connect it to the inverter body 7.

[0054] See also Figure 5-9 First protrusions 228 are fixedly provided on the bottom of the outer walls on both sides of the cable drum 22, and first slideways 211 are provided on the inner walls on both sides of the carrier 21. The first protrusions 228 extend into the first slideways 211. When the cable drum 22 moves inside the carrier 21, the first protrusions 228 slide along the first slideways 211. The first slideways 211 can limit and guide the cable drum 22 through the first protrusions 228, so that the cable drum 22 can only move forward and backward, and cannot move up and down or rotate. The cable drum 22 will not fall off the carrier 21. Please refer to Figure 7 and Figure 11 , magnets 45 and metal plates 46 are respectively provided on the end faces of the two arc-shaped wire baffles 23 that are close to each other. When the arc-shaped rack 42 drives the arc-shaped wire baffles 23 to rotate, and the two arc-shaped wire baffles 23 leave the annular assembly cavity 223 and fit together, the magnet 45 can adsorb the metal plate 46. Therefore, when the elastic bent plate 31 applies pressure to the wire 8 and the wire 8 contacts the arc-shaped wire baffle 23, the two arc-shaped wire baffles 23 will not separate. The length of the supporting frame 21 is four times greater than the length of the linear rack 43. Therefore, when the wire barrel 22 moves, the arc-shaped rack 42 will not immediately contact the linear rack 43, thereby preventing the two arc-shaped wire baffles 23 from separating due to misoperation. Example

[0055] Based on Example 2, please refer to Figure 1 、 Figure 3-4 and Figure 15 The inner side of the carrier 21 is provided with a dustproof assembly 5. The dustproof assembly 5 includes an assembly box 51, which can slide along the inner side wall of the carrier 21. The assembly box 51 is provided with an arc-shaped avoidance groove 511 at one end close to the carrier 21, and a first dustproof net 52 is provided on the bottom surface of the assembly box 51. Figure 1 and Figure 21 When connecting the wires 8, first pull out the assembly box 51 from the carrier 21, remove the dustproof component 5, and the wire barrel 22 can be moved freely. Figure 5 and Figure 15 The outer walls of both sides of the assembly box 51 are provided with second slideways 512, and two linear racks 43 are respectively arranged in the two second slideways 512. When installing or removing the dustproof component 5, the linear racks 43 can slide along the second slideways 512, and the linear racks 43 provide support for the assembly box 51. The assembly box 51 can only move forward and backward, and cannot move up and down, nor can it rotate. Figure 21-22 After the wires 8 are connected, the assembly box 51 is reinstalled into the carrier 21. The arc-shaped avoidance groove 511 is aligned with the outer wall of the cable drum 22, preventing the cable drum 22 from moving freely. After closing the cabinet door 13, the assembly box 51 is restrained and cannot move. The first dustproof net 52 can prevent dust from entering the cabinet 1.

[0056] See also Figure 1 、 Figure 3-4 and Figure 15-16 The dustproof assembly 5 also includes a display panel 53, an identification plate 54, a positioning plate 55, and a snap-in block 56. The display panel 53 is located inside the assembly box 51 and is rotatably connected to the inner sidewall of the assembly box 51. The identification plate 54 is located at the first end of the display panel 53, and the second end of the display panel 53 is provided with a snap-in slot 531. The positioning plate 55 is located inside the assembly box 51, and the snap-in block 56 is fixedly mounted on the top surface of the positioning plate 55. The display panel 53 and identification plate 54 can display information about the corresponding wires. Before connecting the wires 8, the display panel 53 is first rotated to a horizontal position. The display panel 53 can be stored in the assembly box 51, allowing the assembly box 51 to be quickly removed. After the wires 8 are connected and the assembly box 51 is reinstalled in the support frame 21, the display panel 53 is rotated to a vertical position. The length of the display panel 53 is shorter than the length of the assembly box 51, so the operator can quickly rotate the display panel 53. At this time, the clamping block 56 enters the clamping groove 531 , and the clamping block 56 can restrict the rotating display plate 53 so that the rotating display plate 53 remains in a vertical state and does not fall over. Example

[0057] Based on Example 3, please refer to Figure 1-4 and Figure 17-19The present invention also includes two heat dissipation components 6. The structures of the two heat dissipation components 6 are mirror-symmetrical. The two heat dissipation components 6 are arranged around the inverter body 7, which can absorb the heat generated by the inverter body 7 and discharge the heat to the outside of the cabinet 1. The heat dissipation component 6 includes an air inlet component 61, a heat dissipation pipe 62 and an air outlet box 63. An air inlet 12 is provided on the side wall of the cabinet 1. The air inlet component 61 is provided in the air inlet 12. The air inlet component 61 includes an air outlet end. The first end of the heat dissipation pipe 62 is connected to the air outlet end of the air inlet component 61. The air outlet box 63 is located above the wire bundle 22, and the second end of the heat dissipation pipe 62 is connected to the interior of the air outlet box 63. The bottom surface of the air outlet box 63 is provided with a number of evenly distributed air outlet holes 631. Please refer to Figure 1 The air outlet box 63 is arranged below the inverter body 7 and can support the inverter body 7. The heat dissipation pipe 62 is in contact with the outer wall of the inverter body 7, and the heat generated by the inverter body 7 can be transferred to the heat dissipation pipe 62.

[0058] When the heat dissipation assembly 6 is operating, the air inlet assembly 61 blows cool air from outside into the heat dissipation pipe 62, removing any heat that could be transferred from the inverter body 7 to the heat dissipation pipe 62. The hot air is then blown out through the air outlet 631 on the bottom surface of the air outlet box 63 and discharged through the first dust screen 52 to the outside of the cabinet 1. The air outlet box 63 is longer than the support frame 21, so the hot air blows through both sides of the display panel 53. The display panel 53 is evenly stressed and will not fall over even under wind pressure.

[0059] See also Figure 1-2 and Figure 17-22 The air intake assembly 61 includes a supporting frame 611, a fan 612, a second dustproof net 613 and an air collecting box 614. The supporting frame 611 is fixedly connected to the cabinet 1, and the fan 612 is arranged on the inner side of the supporting frame 611. The second dustproof net 613 is fixedly arranged on the side of the supporting frame 611 away from the heat dissipation pipe 62, which can prevent dust from entering the cabinet 1. The first end of the air collecting box 614 is connected to the inner side of the supporting frame 611, and the second end of the air collecting box 614 is connected to the first end of the heat dissipation pipe 62. When the air intake assembly 61 is working, the fan 612 sends external cold air into the air collecting box 614. Since the air collecting box 614 is trumpet-shaped, the cold air will be accelerated after passing through the air collecting box 614, so that the flow rate of cold air in the heat dissipation pipe 62 is accelerated.

[0060] See also Figure 1-2 and Figure 17-20A fourth mounting slot 621 is provided on the inner sidewall of the heat pipe 62, away from the cabinet 1. A heat conducting plate 64 is located within this slot. The serpentine, reciprocating arrangement of the heat pipe 62 increases the contact area between the heat conducting plate 64 and the inverter body 7, allowing heat generated by the inverter body 7 to be more easily transferred to the heat conducting plate 64. When cold air passes through the heat conducting plate 64, it removes the heat, thereby cooling and dissipating the inverter body 7.

[0061] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0062] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A frequency conversion device used in microgrid power control and energy storage control technology, characterized in that: The utility model comprises a cabinet and a plurality of wire harness components, wherein an assembly opening is provided at the bottom of the cabinet, and the plurality of wire harness components are arranged in the assembly opening and closely arranged along the length extension direction of the assembly opening; The wiring harness assembly comprises: A carrier frame, fixedly arranged on the side wall of the assembly opening, and the carrier frame has a U-shaped structure; A cable drum is provided on the inner side of the carrier and is capable of sliding along the inner side wall of the carrier. The cable drum is provided with a cable inlet, which passes through the top and bottom surfaces of the cable drum and is located on the same side as the open end of the carrier. Two arc-shaped wire baffles, guide slopes are provided on the side walls of the cable barrel and on both sides of the cable inlet, an annular assembly cavity is provided inside the cable barrel, the two ends of the annular assembly cavity respectively pass through the two guide slopes, the first ends of the two arc-shaped wire baffles are both provided in the annular assembly cavity, the second ends of the two arc-shaped wire baffles respectively pass through the two guide slopes and extend to the outside of the cable barrel, and the arc-shaped wire baffles can slide along the inner wall of the annular assembly cavity; When the second ends of the two arc-shaped wire baffles slide to the inner side of the annular assembly cavity, the wire inlet is in an open state; When the second ends of the two arc-shaped wire baffles slide to the outside of the annular assembly cavity and fit together, the wire inlet is in a closed state, and the wire reel and the two arc-shaped wire baffles are combined to form a closed ring structure.

2. The frequency conversion device used in microgrid power control and energy storage control technology according to claim 1, characterized in that: Also included is a line fixing assembly, the line fixing assembly comprising: An elastic bent plate is provided on the inner side of the cable drum, the elastic bent plate is in a U-shaped structure, and the open end of the elastic bent plate is located away from the cable inlet; An electric telescopic rod, wherein a first assembly groove is provided on the inner side wall of the cable drum, the electric telescopic rod is arranged in the first assembly groove and fixedly connected to the side wall of the first assembly groove, and the output end of the electric telescopic rod faces the elastic bent plate; The positioning member is fixedly arranged at the output end of the electric telescopic rod, the elastic bent plate is arranged on the inner side of the elastic bent plate, the elastic bent plate is fixedly connected to the positioning member, and there is a gap between the middle of the elastic bent plate and the middle of the positioning member.

3. The frequency conversion device used in microgrid power control and energy storage control technology according to claim 2 is characterized in that: The middle part of the elastic bent plate is provided with two protrusions and a recessed part, the recessed part is located between the two protrusions, and the inner side wall of the cable drum is provided with two guide planes, and the two guide planes are respectively adjacent to the two guide inclined surfaces; The wire fixing assembly further includes two limiting plates, which are respectively arranged on the two guide planes and have a mirror-symmetrical structure. A second assembly groove is provided on the inner side wall of the cable drum and on both sides of the first assembly groove. A first support plate is provided on the top and bottom of the limiting plate. The limiting plate, the first support plate and the guide plane are jointly surrounded to form a ring-shaped structure. The two ends of the elastic bent plate respectively pass through the two ring-shaped structures and extend into the second assembly groove. The elastic bent plate can slide along the inner wall of the second assembly groove. The positioning member includes a positioning bent plate, and a plurality of second support plates are fixedly arranged on both sides of the positioning bent plate. The plurality of second support plates are evenly distributed at equal intervals. A first avoidance opening is provided in the middle of the limiting plate. The second support plate passes through the first avoidance opening and is fixedly connected to the elastic bent plate. The distance between the second support plate and the protrusion is greater than the distance between the second support plate and the end of the elastic bent plate.

4. The frequency conversion device applied to microgrid power control and energy storage control technology according to claim 1, characterized in that: The harness assembly further includes an opening and closing control assembly, which includes: A wiring block is fixedly arranged on the top surface of the cable drum and is located away from the cable inlet. A wiring groove is provided on the top of the wiring block. Two arc-shaped racks, the bottom of the outer side walls of the two arc-shaped wire baffles are provided with a third assembly groove, the two arc-shaped racks are respectively arranged in the two third assembly grooves, and are respectively fixedly connected to the two arc-shaped wire baffles, and the bottom of the outer side wall of the wire barrel is provided with two second avoidance openings, the positions of the two second avoidance openings respectively correspond to the positions of the two arc-shaped racks, and the second avoidance openings are connected to the annular assembly cavity; Two linear racks are provided at the open end of the carrier and are fixedly mounted on the inner sidewall of the carrier, the linear racks and the second avoidance opening are located at the same height, and the linear racks can mesh with the arc-shaped racks for transmission; A traction member is arranged below the wire drum, and the traction member includes a vertical rod and a wire hook plate. The vertical rod is located on the side away from the wire inlet, the first end of the vertical rod is fixedly connected to the bottom surface of the wire drum, and the second end of the vertical rod is fixedly connected to the wire hook plate. The wire hook plate has a C-shaped structure, and the direction of the open end of the wire hook plate is different from the direction of the open end of the supporting frame.

5. The frequency conversion device used in microgrid power control and energy storage control technology according to claim 4 is characterized in that: A first protrusion is fixedly provided at the bottom of the outer side walls on both sides of the cable drum, and a first slide is provided on the inner side walls on both sides of the supporting frame. The first protrusion extends into the first slide and can slide along the first slide. The length of the supporting frame is greater than four times the length of the linear rack.

6. The frequency conversion device used in microgrid power control and energy storage control technology according to claim 4, characterized in that: A dustproof component is provided on the inner side of the carrier, and the dustproof component is provided on the side of the carrier close to the linear rack. The dustproof component includes an assembly box, the top surface of the assembly box is open, and the assembly box can slide along the inner wall of the carrier. The assembly box is detachably connected to the carrier, and an arc-shaped avoidance groove is provided on one end of the assembly box close to the carrier, and a first dustproof net is provided on the bottom surface of the assembly box.

7. The frequency conversion device used in microgrid power control and energy storage control technology according to claim 6, characterized in that: The outer side walls of both sides of the assembly box are provided with second slideways, and the two linear racks are respectively provided in the two second slideways and can slide along the second slideways; The dustproof component also includes: A display board is provided on the inner side of the assembly box, wherein the middle portion of the display board is rotatably connected to the inner side wall of the assembly box, the length of the display board is shorter than the length of the assembly box, the first end portion of the display board is provided with an identification plate, and the second end portion of the display board is provided with a snap-in groove; A positioning plate is provided on the inner side of the assembly box and is located between the display plate and the first dustproof screen, with both ends of the positioning plate fixedly connected to the inner side wall of the assembly box; The clamping block is fixedly arranged on the top surface of the positioning plate. The position of the clamping block corresponds to the position of the clamping slot, and the shape of the clamping block matches the shape of the clamping slot.

8. The frequency conversion device used in microgrid power control and energy storage control technology according to claim 6, characterized in that: The invention also includes two heat dissipation components, the structures of the two heat dissipation components are mirror-symmetrical, and the heat dissipation components include: An air inlet assembly, wherein an air inlet is provided on a side wall of the cabinet, the air inlet assembly is arranged in the air inlet, and the air inlet assembly includes an air outlet; a heat dissipation pipe, disposed inside the cabinet, wherein a first end of the heat dissipation pipe is connected to an air outlet end of the air inlet assembly; An air outlet box is provided inside the cabinet and above the wire bundle. The air outlet box is fixedly connected to the inner wall of the cabinet. The second end of the heat dissipation pipe is connected to the interior of the air outlet box. The bottom surface of the air outlet box is provided with a plurality of evenly distributed air outlet holes. The length of the air outlet box is greater than the length of the supporting frame.

9. The frequency conversion device used in microgrid power control and energy storage control technology according to claim 8, characterized in that: The air inlet assembly comprises: A carrying frame, the carrying frame is fixedly connected to the cabinet, and a fan is provided on the inner side of the carrying frame; a second dustproof screen, fixedly arranged on a side of the carrying frame away from the heat dissipation pipe; The wind gathering box is trumpet-shaped, the opening width of the first end of the wind gathering box is greater than the opening width of the second end, the first end of the wind gathering box is connected to the inner side of the supporting frame, and the second end of the wind gathering box is connected to the first end of the heat dissipation pipe.

10. The frequency conversion device used in microgrid power control and energy storage control technology according to claim 8, characterized in that: The heat dissipation pipe is arranged to bend back and forth in a serpentine shape. A fourth assembly groove is provided on the side of the heat dissipation pipe away from the inner wall of the cabinet. A heat conduction plate is provided in the fourth assembly groove. The shape of the heat conduction plate matches the shape of the heat dissipation pipe.

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