Doubly-fed wind power conversion grid-connected cabinet convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of wind power conversion grid-connected cabinets, and discloses a double-fed wind power conversion grid-connected cabinet convenient to disassemble and assemble, which comprises a cabinet body, the side surface of the cabinet body is fixedly connected with a disassembly and assembly mechanism, and the top of the cabinet body is fixedly connected with a heat dissipation mechanism; the heat dissipation mechanism comprises a top frame, the top frame is fixedly connected to the top of the cabinet body, a motor is fixedly connected to the top end of the top frame, a lead screw is fixedly connected to the bottom of the motor, a fan frame is in threaded connection with the surface of the lead screw, and a fan box is fixedly connected to the interior of the fan frame. According to the double-fed wind power conversion grid-connected cabinet convenient to disassemble and assemble, through the arranged disassembling and assembling mechanism, the inclined blocks are driven to be separated from the surfaces of the disassembling plates, then the disassembling plates can be rotated, and the vertical frame strips are driven to rotate under the limitation of the supporting rods in the clamping frames, so that the disassembling plates can be disassembled conveniently; therefore, when the double-fed wind power conversion grid-connected cabinet has a fault and needs to be dismounted and maintained, the maintenance operation of the equipment in the cabinet body can be conveniently carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power conversion grid-connected cabinets, in particular to a double-fed wind power conversion grid-connected cabinet which is easy to disassemble and assemble. Background Art

[0002] Wind turbine grid-connected cabinets are devices that connect multiple wind turbines to the power grid. Wind turbines in wind farms need to transmit the generated electricity to the grid-connected cabinets through cables for integration and interconnection. After processing, the electricity is sent to the grid for users to use.

[0003] According to the patent number, a doubly-fed wind power converter grid-connected cabinet includes a lower base, the top of the lower base is connected to a cabinet body, the top of the cabinet body is connected to an upper top seat, the inner cavity of the cabinet body is provided with a stator connecting copper bar, and stator contactor 1, stator contactor 2, and stator contactor 3 are respectively provided below the stator connecting copper bar, and the bottom of the stator contactor 1 is connected to a stator and a grid connecting copper bar 1.

[0004] The doubly-fed wind power converter grid-connected cabinet can directly force air cooling on the stator contactor and the grid-side circuit breaker to reduce the temperature rise of the devices during use of the doubly-fed wind power converter grid-connected cabinet. However, when a fault occurs inside the doubly-fed wind power converter grid-connected cabinet and the cabinet needs to be disassembled and repaired, it is inconvenient to perform corresponding maintenance operations. Therefore, the technical solution needs to be improved. Utility Model Content

[0005] The utility model aims to provide a double-fed wind power converter grid-connected cabinet that is easy to assemble and disassemble, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a double-fed wind power converter grid-connected cabinet that is easy to disassemble and assemble, comprising a cabinet body, a disassembly mechanism is fixedly connected to the side of the cabinet body, and a heat dissipation mechanism is fixedly connected to the top of the cabinet body;

[0007] The disassembly and assembly mechanism includes a locking mechanism and a locking mechanism, and the locking mechanism is arranged on one side of the locking mechanism;

[0008] The heat dissipation mechanism includes a top frame, which is fixedly connected to the top of the cabinet, a motor is fixedly connected to the top of the top frame, a screw is fixedly connected to the bottom of the motor, a fan frame is threadedly connected to the surface of the screw, a fan box is fixedly connected to the inside of the fan frame, a fan body is fixedly connected to the bottom end of the fan box, and the bottom end of the screw is rotatably connected to the top of the cabinet.

[0009] Preferably, the locking mechanism includes an ear plate seat, there are two ear plate seats, the two ear plate seats are fixedly connected to the left and right sides of the cabinet, one end of the back side of the ear plate seat is fixedly connected to a torsion spring, one end of the back side of the torsion spring is fixedly connected to a T-shaped bar, one end of the surface of the T-shaped bar is fixedly connected to a clamping bar, the bottom end of the clamping bar is fixedly connected to a first spring, the top of the first spring is fixedly connected to a slide bar, the slide bar is hinged with a T-shaped plate, the right side of the T-shaped plate is fixedly connected to a second spring, the right end of the T-shaped plate is fixedly connected to a long rod, the right end of the second spring is fixedly connected to an L-shaped block, one end of the long rod is fixedly connected to an inclined block, the back of the L-shaped block is fixedly connected to the front side of the cabinet, and the surface of the T-shaped bar is fixedly connected to a lever.

[0010] Preferably, a guide groove is provided inside the clamping bar, and the surface of the slide bar is slidably connected to the inside of the guide groove, so that the slide bar can slide under the limit in the guide groove, and then the inclined block can be clamped on the demolition board surface for clamping.

[0011] Preferably, a through hole is provided inside the ear plate seat, and the surface of the T-shaped bar is rotatably connected to the inside of the ear plate seat through the through hole.

[0012] Preferably, the locking mechanism includes a locking frame, which is fixedly connected to the front side of the cabinet, and the upper and lower ends of the locking frame are rotatably connected to support rods, and the surface of the support rod is fixedly connected to a vertical frame bar, and a removal plate is provided on one side of the vertical frame bar.

[0013] Preferably, a slot is provided on one side of the vertical frame bar, and the right side of the demolition plate is plugged into the inside of the slot, so that the demolition plate can be inserted into the slot conveniently and the installation and removal of the demolition plate can be facilitated.

[0014] Preferably, a through hole is provided in the top frame, the surface of the screw rod passes through the through hole in the top frame, a round hole is provided on the top of the cabinet, and the surface of the fan box is located inside the round hole, so that the fan body inside the fan box can blow air, thereby performing a cooling operation on the cabinet.

[0015] Compared with the prior art, the utility model provides a double-fed wind power converter grid-connected cabinet that is easy to disassemble and assemble, and has the following beneficial effects:

[0016] 1. The doubly-fed wind power converter grid-connected cabinet that is easy to disassemble and assemble has a disassembly and assembly mechanism, and the T-shaped plate overcomes the elastic force of the second spring to move to the left, thereby driving the long rod to move under the limit inside the L-shaped block, driving the inclined block to separate from the disassembly plate surface, and then the disassembly plate can be rotated and drive the vertical frame bar to rotate under the limit inside the card frame using the support rod, so that the disassembly plate can be easily disassembled, and then when a fault occurs inside the doubly-fed wind power converter grid-connected cabinet and it needs to be disassembled and assembled for maintenance, it is convenient to perform equipment maintenance operations inside the cabinet.

[0017] 2. The doubly-fed wind power inverter grid-connected cabinet, which is easy to disassemble and assemble, uses the fan body on the top of the cabinet to perform corresponding heat dissipation operations through the provided heat dissipation mechanism. In addition, when heat dissipation adjustment is required, the motor is started to drive the screw rod to rotate, and then the fan frame can be driven to move up and down under the limit in the cabinet, thereby driving the fan body to perform corresponding height adjustment, and finally achieving the heat dissipation adjustment effect of the equipment in the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0020] Figure 2 This is a three-dimensional exploded view of the locking mechanism of the utility model;

[0021] Figure 3 This is a three-dimensional exploded view of the clamping mechanism of the utility model;

[0022] Figure 4 This is a three-dimensional disassembled diagram of the heat dissipation mechanism of the utility model;

[0023] Figure 5 It is a three-dimensional cross-sectional view of the cabinet of the utility model.

[0024] In the figure: 1. cabinet; 2. disassembly and assembly mechanism; 21. clamping mechanism; 211. ear plate seat; 212. torsion spring; 213. T-shaped bar; 2131. lever; 214. clamping bar; 2141. first spring; 215. slide bar; 216. T-shaped plate; 2161. second spring; 217. long rod; 218. L-shaped block; 219. oblique block; 22. clamping mechanism; 221. clamping frame; 222. support rod; 223. vertical frame bar; 224. disassembly plate; 3. heat dissipation mechanism; 31. top frame; 32. motor; 33. screw rod; 34. fan frame; 35. fan box; 36. fan body. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides the following technical solutions:

[0028] Embodiment 1

[0029] Combination Figures 2 to 5 , a double-fed wind power conversion grid-connected cabinet that is easy to disassemble and assemble, comprising a cabinet body 1, a disassembly mechanism 2 is fixedly connected to the side of the cabinet body 1, and a heat dissipation mechanism 3 is fixedly connected to the top of the cabinet body 1;

[0030] The disassembly and assembly mechanism 2 includes a positioning mechanism 21 and a locking mechanism 22, wherein the locking mechanism 22 is arranged on one side of the positioning mechanism 21;

[0031] The heat dissipation mechanism 3 includes a top frame 31, which is fixedly connected to the top of the cabinet 1, a motor 32 is fixedly connected to the top of the top frame 31, a screw rod 33 is fixedly connected to the bottom of the motor 32, a fan frame 34 is threadedly connected to the surface of the screw rod 33, a fan box 35 is fixedly connected to the inside of the fan frame 34, a fan body 36 is fixedly connected to the bottom end of the fan box 35, and the bottom end of the screw rod 33 is rotatably connected to the top of the cabinet 1. The locking mechanism 21 includes an ear plate seat 211, and there are two ear plate seats 211, which are fixedly connected to the left and right sides of the cabinet 1, and one end of the back of the ear plate seat 211 is fixedly connected to a torsion spring 212, and one end of the back of the torsion spring 212 is fixedly connected to a T-shaped bar 213, and the T-shaped bar 213 A clamping strip 214 is fixedly connected to one end of the surface, a first spring 2141 is fixedly connected to the bottom end of the clamping strip 214, a slide bar 215 is fixedly connected to the top of the first spring 2141, a T-shaped plate 216 is hinged inside the slide bar 215, a second spring 2161 is fixedly connected to the right side of the T-shaped plate 216, a long rod 217 is fixedly connected to the right end of the T-shaped plate 216, an L-shaped block 218 is fixedly connected to the right end of the second spring 2161, an oblique block 219 is fixedly connected to one end of the long rod 217, the back of the L-shaped block 218 is fixedly connected to the front of the cabinet 1, a lever 2131 is fixedly connected to the surface of the T-shaped strip 213, a guide groove is provided inside the clamping strip 214, and the surface of the slide bar 215 is slidably connected to the inside of the guide groove.

[0032] Furthermore, a through hole is opened inside the ear plate seat 211, and the surface of the T-shaped bar 213 is rotatably connected to the inside of the ear plate seat 211 through the through hole. The T-shaped plate 216 overcomes the elastic force of the second spring 2161 and moves to the left, thereby driving the long rod 217 to move under the limit inside the L-shaped block 218, thereby driving the inclined block 219 to separate from the surface of the removal plate 224, and then the removal plate 224 can be rotated and drive the vertical frame bar 223 to rotate under the limit inside the card frame 221 using the support rod 222, so that the removal plate 224 can be easily disassembled, and then when a fault occurs inside the doubly fed wind power inverter grid-connected cabinet and it needs to be disassembled and repaired, the equipment maintenance operation inside the cabinet 1 can be conveniently performed.

[0033] Embodiment 2

[0034] See also Figure 1-5 On the basis of the first embodiment, the engaging mechanism 22 further comprises a card frame 221, the card frame 221 is fixedly connected to the front face of the cabinet 1, the upper and lower ends of the card frame 221 are internally rotatably connected with support rods 222, the surface of the support rod 222 is fixedly connected with a vertical frame bar 223, a disassembly plate 224 is provided on one side of the vertical frame bar 223, a slot is provided on one side of the vertical frame bar 223, and the right side of the disassembly plate 224 is plugged into the inside of the slot.

[0035] Furthermore, a through hole is opened in the top frame 31, and the surface of the screw rod 33 passes through the through hole opened in the top frame 31. A circular hole is opened on the top of the cabinet 1, and the surface of the fan box 35 is located inside the circular hole. The fan body 36 on the top of the cabinet 1 is used to perform corresponding heat dissipation operations. In addition, when heat dissipation adjustment is required, the motor 32 is started to drive the screw rod 33 to rotate, and then the fan frame 34 can be driven to move up and down under the limit in the cabinet 1, thereby driving the fan body 36 to perform corresponding height adjustment, and finally the heat dissipation adjustment effect of the equipment in the cabinet 1 is achieved.

[0036] In actual operation, when this device is used, when installing and disassembling the disassembly plate 224 of the double-fed wind power converter grid-connected cabinet, the rotating lever 2131 drives the T-shaped bar 213 to overcome the torsion force of the torsion spring 212 to rotate, thereby driving the card bar 214 to rotate, driving the slide bar 215 to move by utilizing the elasticity of the first spring 2141, and driving the T-shaped plate 216 to move to the left by overcoming the elastic force of the second spring 2161, thereby driving the long rod 217 to move under the limit inside the L-shaped block 218, thereby driving the inclined block 219 to separate from the surface of the disassembly plate 224, and then the disassembly plate 224 can be rotated and the vertical frame bar 223 can be driven to rotate under the limit inside the card frame 221 by utilizing the support rod 222, so that the disassembly plate 224 can be easily disassembled, and then the equipment maintenance operation inside the cabinet body 1 can be performed;

[0037] In addition, when the cabinet 1 is in use, the fan body 36 on the top of the cabinet 1 can be used to perform corresponding heat dissipation operations. In addition, when heat dissipation adjustment is required, the motor 32 is started to drive the screw rod 33 to rotate, and then the fan frame 34 can be driven to move up and down under the limit in the cabinet 1, thereby driving the fan body 36 to perform corresponding height adjustment, and finally achieving the heat dissipation adjustment effect of the equipment in the cabinet 1.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A double-fed wind power inverter grid-connected cabinet that is easy to disassemble and assemble, comprising a cabinet body (1), characterized in that: A disassembly mechanism (2) is fixedly connected to the side of the cabinet (1), and a heat dissipation mechanism (3) is fixedly connected to the top of the cabinet (1); The disassembly and assembly mechanism (2) comprises a locking mechanism (21) and a locking mechanism (22), wherein the locking mechanism (22) is arranged on one side of the locking mechanism (21); The heat dissipation mechanism (3) comprises a top frame (31), the top frame (31) is fixedly connected to the top of the cabinet (1), a motor (32) is fixedly connected to the top of the top frame (31), a screw rod (33) is fixedly connected to the bottom of the motor (32), a fan frame (34) is threadedly connected to the surface of the screw rod (33), a fan box (35) is fixedly connected inside the fan frame (34), a fan body (36) is fixedly connected to the bottom end of the fan box (35), and the bottom end of the screw rod (33) is rotatably connected to the top of the cabinet (1).

2. The doubly-fed wind power converter grid-connected cabinet that is easy to assemble and disassemble according to claim 1, characterized in that: The locking mechanism (21) comprises an ear plate seat (211), wherein there are two ear plate seats (211), and the two ear plate seats (211) are fixedly connected to the left and right sides of the cabinet (1); a torsion spring (212) is fixedly connected to one end of the back side of the ear plate seat (211); a T-shaped bar (213) is fixedly connected to one end of the back side of the torsion spring (212); a clamping bar (214) is fixedly connected to one end of the surface of the T-shaped bar (213); a first spring (2141) is fixedly connected to the bottom end of the clamping bar (214); and the top end of the first spring (2141) is fixedly connected to the A slide bar (215) is connected, a T-shaped plate (216) is hinged inside the slide bar (215), a second spring (2161) is fixedly connected to the right side of the T-shaped plate (216), a long rod (217) is fixedly connected to the right end of the T-shaped plate (216), an L-shaped block (218) is fixedly connected to the right end of the second spring (2161), an inclined block (219) is fixedly connected to one end of the long rod (217), the back of the L-shaped block (218) is fixedly connected to the front of the cabinet (1), and a shifting rod (2131) is fixedly connected to the surface of the T-shaped bar (213).

3. The double-fed wind power converter grid-connected cabinet that is easy to assemble and disassemble according to claim 2 is characterized in that: A guide groove is provided inside the clamping strip (214), and the surface of the sliding strip (215) is slidably connected to the inside of the guide groove.

4. The double-fed wind power converter grid-connected cabinet that is easy to disassemble and assemble according to claim 2 is characterized in that: A through hole is provided inside the ear plate seat (211), and the surface of the T-shaped bar (213) is rotatably connected to the inside of the ear plate seat (211) through the through hole.

5. The doubly-fed wind power converter grid-connected cabinet that is easy to assemble and disassemble according to claim 2, characterized in that: The locking mechanism (22) comprises a locking frame (221), the locking frame (221) being fixedly connected to the front face of the cabinet (1), the upper and lower ends of the locking frame (221) being internally rotatably connected to support rods (222), the surface of the support rods (222) being fixedly connected to vertical frame bars (223), and a disassembly plate (224) being provided on one side of the vertical frame bars (223).

6. The double-fed wind power converter grid-connected cabinet that is easy to assemble and disassemble according to claim 5, characterized in that: A slot is provided on one side of the vertical frame bar (223), and the right side of the disassembly plate (224) is plugged into the inside of the slot.

7. The doubly-fed wind power converter grid-connected cabinet that is easy to assemble and disassemble according to claim 1, characterized in that: A through hole is provided in the top frame (31), the surface of the screw rod (33) passes through the through hole provided in the top frame (31), a round hole is provided on the top of the cabinet (1), and the surface of the fan box (35) is located inside the round hole.

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