A backboard mounting structure of a pitch system electrical cabinet

Abstract

The utility model discloses a backboard mounting structure of variable pitch system electrical cabinet, including the electrical cabinet of installation in the wheel hub, the inside intermediate installation of electrical cabinet has driver, wherein, the inside both sides of electrical cabinet are fixed with first backboard and second backplate respectively, first backplate and second backplate are located the both sides of driver respectively, and first backplate and second backplate are equipped with a plurality of line slot and electrical fittings respectively, and electrical fittings are connected with driver and / or external device electricity through the line of corresponding line slot, the utility model discloses the double backboard type quick mounting structure of first backplate and second backplate composition, realizes the efficient reliable installation effect of technical reformation to generator unit variable pitch system.

Description

Technical Field

[0001] This utility model belongs to the field of wind turbine generator pitch system retrofit and installation structure, specifically relating to a back panel mounting structure for a pitch system electrical cabinet. Background Technology

[0002] After prolonged operation, the original pitch system of wind turbine generators no longer meets the requirements for stable and safe operation of the generator set and grid stability. Therefore, technical upgrades to the pitch system are necessary to satisfy these requirements. These upgrades involve component replacement and a redesign of the wiring within the pitch system's electrical cabinet. However, replacing components and rewiring within the hub is challenging and can easily lead to wiring quality issues.

[0003] Therefore, the applicant seeks technical solutions to improve the aforementioned technical problems. Summary of the Invention

[0004] In view of this, the purpose of this utility model is to propose a back panel mounting structure for the electrical cabinet of the pitch system, and to design a double back panel quick mounting structure composed of a first back panel and a second back panel, so as to achieve a high-efficiency and reliable installation effect for the technical transformation of the pitch system of the generator set.

[0005] Therefore, the technical solution adopted by this utility model is as follows: A backplate mounting structure for a pitch system electrical cabinet includes an electrical cabinet installed inside a hub, with a driver installed in the center of the electrical cabinet; wherein a first backplate and a second backplate are fixedly installed on both sides of the interior of the electrical cabinet, the first backplate and the second backplate are respectively located on both sides of the driver, and the first backplate and the second backplate are respectively provided with a plurality of wire grooves and electrical components, the electrical components being electrically connected to the driver and / or external devices through wiring via their corresponding wire grooves.

[0006] Preferably, a first guide rail A extending in the vertical direction of the electrical cabinet is fixedly installed on the first back plate, and a first electrical component and a first terminal block A are respectively installed at intervals on the first guide rail A; a first wire groove A located on the right side of the first guide rail A is also fixedly installed on the first back plate, the first wire groove A is close to the electrical cabinet and extends from the upper end of the electrical cabinet to its lower end.

[0007] Preferably, a first guide rail B extending in the left-right direction of the electrical cabinet is fixedly installed on the first back plate, and a plurality of first terminals B are installed at intervals on the first guide rail B; a first wire groove B located on the outer periphery of the first guide rail B is also fixedly installed on the first back plate, and the first wire groove B is connected with the first wire groove A to form a rectangular shape.

[0008] Preferably, a first groove C located on the left side of the first guide rail A is also fixedly installed on the first back plate, wherein the first groove C is parallel to the first groove A and is in contact with the first groove B.

[0009] Preferably, a first wire groove D located at the lower end of the electrical cabinet is fixedly installed on the first back plate, and the first wire groove D is connected with the first wire groove A to form an L shape.

[0010] Preferably, a reactor is fixedly installed on the second back plate; a second cable tray A located to the left of the reactor is also fixedly installed on the second back plate, the second cable tray A being close to the electrical cabinet and extending along the upper end of the electrical cabinet to its lower end.

[0011] Preferably, a second cable tray B and a second cable tray C are fixedly installed on the second back plate, located above and below the reactor respectively; wherein, the second cable tray B is connected to the second cable tray A to form an L shape, and the second cable tray C is located at the lower end of the electrical cabinet and is connected to the second cable tray A to form a T shape.

[0012] Preferably, the right side of the reactor is further provided with a second guide rail fixedly mounted on the second back plate, and the second guide rail is equipped with a second electrical component.

[0013] Preferably, the first back panel and the second back panel are pre-set with wire grooves and electrical components to form a back panel prefabricated component, and then the back panel prefabricated component is fixedly installed on both sides of the electrical cabinet by standard mounting components; wherein, the first back panel and the second back panel are correspondingly matched to form a layout space around the driver.

[0014] Preferably, the outer edge shapes of the first and second back plates correspond to the bottom edge shape of the electrical cabinet, so as to achieve a quick and convenient installation effect.

[0015] This utility model designs a double-backplate quick-installation structure consisting of a first backplate and a second backplate. In actual application, the first backplate and the second backplate are respectively provided with several cable trays and electrical components. They are pre-assembled in the factory to form prefabricated backplate components, ensuring wiring quality. The electrical components and cables are pre-arranged, eliminating the need for on-site personnel to consider the positions of each electrical component and cable, thus improving the efficiency and quality of technical upgrades. Then, the prefabricated backplate components of the first backplate and the second backplate are directly and quickly installed in the electrical cabinet, and an intermediate area for arranging the drive is formed between the first backplate and the second backplate, achieving a highly efficient and reliable installation effect for technical upgrades of the generator set pitch system. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the back panel mounting structure of the pitch system electrical cabinet in a specific embodiment of this application. Detailed Implementation

[0017] This utility model embodiment discloses a backplate mounting structure for a pitch system electrical cabinet, including an electrical cabinet 1 installed in a hub, with a driver 12 installed in the middle of the electrical cabinet 1; wherein, a first backplate 2 and a second backplate 9 are fixedly installed on the two sides of the interior of the electrical cabinet 1, the first backplate 2 and the second backplate 9 are respectively located on both sides of the driver 12, and the first backplate 2 and the second backplate 9 are respectively provided with a plurality of wire grooves and electrical components, and the electrical components are electrically connected to the driver 12 and / or external devices through wiring through their corresponding wire grooves.

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Please see Figure 1 As shown, a backplate mounting structure for a pitch system electrical cabinet includes an electrical cabinet 1 installed inside a hub, with a driver 12 installed in the center of the electrical cabinet 1. A first backplate 2 and a second backplate 9 are fixedly mounted on both sides of the interior of the electrical cabinet 1, respectively. The first backplate 2 and the second backplate 9 are located on opposite sides of the driver 12, and each of the first backplate 2 and the second backplate 9 has several wire grooves and electrical components. The electrical components are electrically connected to the driver 12 and / or external devices via corresponding wire grooves. Preferably, in this embodiment, the first backplate 2 and the second backplate 9 are pre-set with wire grooves and electrical components to form a prefabricated backplate, and then... The prefabricated backplate components are fixedly installed on both sides of the electrical cabinet 1 using standard mounting parts 3; wherein, the first backplate 2 and the second backplate 9 cooperate to form a layout space around the driver 12; more preferably, in this embodiment, the outer edge shape of the first backplate 2 and the second backplate 9 corresponds to the bottom edge shape of the electrical cabinet 1, so as to achieve a quick and convenient installation effect. Specifically, in this embodiment, the bottom edge shape of the electrical cabinet 1 is a bent edge shape. The double backplate installation structure can achieve quick and convenient installation, and facilitates the independent completion of the corresponding backplate processing and backplate prefabrication, further improving assembly efficiency and wiring quality.

[0020] Preferably, in order to achieve rapid installation and reliable wiring of the first back plate 2, in this embodiment, a first guide rail A5a extending in the vertical direction of the electrical cabinet 1 is fixedly installed on the first back plate 2, and a first electrical component 7 and a first terminal block A8a are respectively installed at intervals on the first guide rail A5a; a first wire groove A4a located on the right side of the first guide rail A5a is also fixedly installed on the first back plate 2, the first wire groove A4a is close to the electrical cabinet 1 and extends along the upper end of the electrical cabinet 1 to its lower end; More preferably, in this embodiment, a first guide rail B5b extending in the left-right direction of the electrical cabinet 1 is fixedly installed on the first back plate 2, and a plurality of first terminals B8b are installed at intervals on the first guide rail B5b; a first wire groove B4b located on the outer periphery of the first guide rail B5b is also fixedly installed on the first back plate 2, and the first wire groove B4b is connected with the first wire groove A4a to form a rectangular shape. More preferably, in this embodiment, a first wire groove C4c located on the left side of the first guide rail A5a is also fixedly installed on the first back plate 2, wherein the first wire groove C4c is parallel to the first wire groove A4a and is in contact with the first wire groove B4b. More preferably, in this embodiment, a first wire groove D4d located at the lower end of the electrical cabinet 1 is fixedly installed on the first back plate 2, and the first wire groove D4d is connected to the first wire groove A4a to form an L shape.

[0021] Preferably, in order to achieve quick installation and reliable wiring of the second back plate 9, in this embodiment, a reactor 10 is fixedly installed on the second back plate 9; a second wire trough A13a located on the left side of the reactor 10 is also fixedly installed on the second back plate 9. The second wire trough A13a is close to the electrical cabinet 1 and extends along the upper end of the electrical cabinet 1 to its lower end. More preferably, in this embodiment, a second wire groove B13b and a second wire groove C13c are fixedly installed on the second back plate 9, respectively located above and below the reactor 10; wherein, the second wire groove B13b is connected to the second wire groove A13a to form an L shape, and the second wire groove C13c is located at the lower end of the electrical cabinet 1 and is connected to the second wire groove A13a to form a T shape; In a further preferred embodiment, the reactor 10 is further provided with a second guide rail 14 fixedly mounted on the second back plate 9 on the right side, and the second guide rail 14 is equipped with a second electrical component 15.

[0022] The first electrical component 7 and the second electrical component 15 involved in this embodiment can be known electrical modules in the electrical cabinet of the pitch system, such as circuit breakers, lightning protection modules, etc. This embodiment does not limit them to the only ones. These are conventional technical choices that can be made by those skilled in the art according to actual wiring needs, and this part is not considered as the innovative content of this application.

[0023] It should be further explained that each cable tray and each guide rail involved in the embodiments of this application are respectively installed on their respective back plates by mounting standard parts 6, and the reactor 10 involved in the embodiments of this application is installed on its respective back plate by mounting standard parts 11. That is to say, the fixed installation required for the overall structure is fixedly installed by matching mounting standard parts, realizing universal standard quick installation and making the installation efficiency more efficient.

[0024] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0025] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A backplate mounting structure for a pitch system electrical cabinet, comprising an electrical cabinet (1) mounted within a hub, characterized in that, The electrical cabinet (1) has a driver (12) installed in the middle of its interior. The electrical cabinet (1) has a first back plate (2) and a second back plate (9) fixedly installed on its two sides. The first back plate (2) and the second back plate (9) are located on both sides of the driver (12). The first back plate (2) and the second back plate (9) are provided with several wire grooves and electrical components. The electrical components are connected to the driver (12) and / or external devices by wiring through their corresponding wire grooves.

2. The backplate mounting structure of the pitch system electrical cabinet according to claim 1, characterized in that, A first guide rail A (5a) extending vertically along the electrical cabinet (1) is fixedly installed on the first back plate (2). A first electrical component (7) and a first terminal block A (8a) are respectively installed on the first guide rail A (5a) at intervals. A first wire groove A (4a) located to the right of the first guide rail A (5a) is also fixedly installed on the first back plate (2). The first wire groove A (4a) is close to the electrical cabinet (1) and extends from the upper end of the electrical cabinet (1) to its lower end.

3. The backplate mounting structure of the pitch system electrical cabinet according to claim 2, characterized in that, A first guide rail B (5b) extending in the left-right direction of the electrical cabinet (1) is fixedly installed on the first back plate (2). A plurality of first terminals B (8b) are installed at intervals on the first guide rail B (5b). A first wire groove B (4b) located on the outer periphery of the first guide rail B (5b) is also fixedly installed on the first back plate (2). The first wire groove B (4b) is connected to the first wire groove A (4a) to form a rectangular shape.

4. The backplate mounting structure of the pitch system electrical cabinet according to claim 3, characterized in that, The first back plate (2) is also fixedly installed with a first wire groove C (4c) located on the left side of the first guide rail A (5a), wherein the first wire groove C (4c) is parallel to the first wire groove A (4a) and is in contact with the first wire groove B (4b).

5. The backplate mounting structure of the pitch system electrical cabinet according to claim 2, characterized in that, The first back plate (2) is fixedly installed with a first wire groove D (4d) located at the lower end of the electrical cabinet (1). The first wire groove D (4d) is connected with the first wire groove A (4a) to form an L shape.

6. The backplate mounting structure of the pitch system electrical cabinet according to claim 1, characterized in that, A reactor (10) is fixedly installed on the second back plate (9); a second cable tray A (13a) located on the left side of the reactor (10) is also fixedly installed on the second back plate (9). The second cable tray A (13a) is close to the electrical cabinet (1) and extends along the upper end of the electrical cabinet (1) to its lower end.

7. The backplate mounting structure of the pitch system electrical cabinet according to claim 6, characterized in that, The second back plate (9) is fixedly installed with a second wire groove B (13b) and a second wire groove C (13c) located above and below the reactor (10); wherein the second wire groove B (13b) is connected to the second wire groove A (13a) to form an L shape, and the second wire groove C (13c) is located at the lower end of the electrical cabinet (1) and is connected to the second wire groove A (13a) to form a T shape.

8. The backplate mounting structure of the pitch system electrical cabinet according to claim 7, characterized in that, The reactor (10) is also provided with a second guide rail (14) fixedly installed on the second back plate (9) on the right side, and the second guide rail (14) is equipped with a second electrical component (15).

9. The backplate mounting structure of the pitch system electrical cabinet according to claim 1, characterized in that, The first back plate (2) and the second back plate (9) are respectively pre-set with wire grooves and electrical components to form back plate prefabricated parts. Then, the back plate prefabricated parts are fixedly installed on both sides of the electrical cabinet (1) by standard mounting parts (3). The first back plate (2) and the second back plate (9) are correspondingly matched to form a layout space around the driver (12).

10. The backplate mounting structure of the pitch system electrical cabinet according to claim 9, characterized in that, The outer edge shapes of the first back plate (2) and the second back plate (9) correspond to the bottom edge shape of the electrical cabinet (1) to achieve a quick and convenient installation effect.

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