A mounting structure of a variable pitch system cabinet

Abstract

The utility model discloses a kind of installation structures of variable pitch system cabinet, including first variable pitch cabinet and second variable pitch cabinet being arranged separately;First variable pitch cabinet is respectively fixedly installed with first driver and second driver being spaced distribution up and down, and the internal space of first variable pitch cabinet between first driver and second driver is installed with first wire slot and first guide rail;Second variable pitch cabinet is respectively fixedly installed with third driver and variable pitch controller being spaced distribution up and down, and the internal space of second variable pitch cabinet between third driver and variable pitch controller is installed with second wire slot and second guide rail;The utility model uses the installation structure of whole cabinet to replace original technical transformation mode, installation structure is simple and efficient, structure layout is reasonable, integration is high, obviously improve the installation efficiency and installation quality of wind turbine generator system variable pitch system, and also facilitate dismounting maintenance when subsequent need to be transformed.

Description

Technical Field

[0001] This utility model belongs to the field of pitch system cabinets for wind turbines, and specifically relates to an installation structure for a pitch system cabinet. Background Technology

[0002] After years of operation, the main electrical components of the wind turbine's pitch system can no longer meet the requirements for stable and safe operation of the wind turbine and grid stability. Therefore, technical upgrades to the wind turbine's pitch system are necessary to satisfy these requirements. However, these upgrades involve replacing components and rearranging the wiring within the cabinet. Replacing components and rewiring within the hub is challenging and prone to wiring quality issues. Furthermore, the extended downtime caused by on-site technical upgrades results in significant power generation losses.

[0003] Therefore, the applicant seeks technical solutions to address the above-mentioned technical problems. Summary of the Invention

[0004] In view of this, the purpose of this utility model is to propose an installation structure for a pitch system cabinet, which replaces the original technical modification method with a whole cabinet installation structure. The installation structure is simple and efficient, with a reasonable layout and high integration, which significantly improves the installation efficiency and quality of the wind turbine pitch system, and also facilitates disassembly and maintenance when subsequent modifications are needed.

[0005] Therefore, the technical solution adopted by this utility model is as follows:

[0006] An installation structure for a pitch system cabinet includes a first pitch cabinet and a second pitch cabinet that are separated from each other; wherein...

[0007] The first pitch control cabinet has a first driver and a second driver that are arranged vertically at intervals inside the cabinet, and the internal space of the first pitch control cabinet between the first driver and the second driver is equipped with a first cable tray and a first guide rail.

[0008] The second pitch control cabinet is fixedly equipped with a third drive and a pitch controller that are spaced vertically apart, and the internal space of the second pitch control cabinet between the third drive and the pitch controller is equipped with a second cable tray and a second guide rail.

[0009] Preferably, a partition is provided between the first pitch control cabinet and the second pitch control cabinet for separation; and the first pitch control cabinet and the second pitch control cabinet are respectively fixedly installed on the hub of the pitch system.

[0010] Preferably, the first wire groove includes a first wire groove A near the first driver and a first wire groove B near the second driver; wherein,

[0011] The first groove A and the first groove B are distributed in parallel.

[0012] The first guide rail is located between the first groove A and the first groove B;

[0013] The first guide rail is respectively equipped with a first electrical component A and a first electrical component B.

[0014] The first electrical component A is electrically connected to the first driver after its wiring harness is led out through the first wire channel A; the first electrical component B is electrically connected to the second driver after its wiring harness is led out through the first wire channel B.

[0015] Preferably, the first electrical component A (6a) and the first electrical component B (6b) are both circuit breakers.

[0016] Preferably, the second cable slot includes a second cable slot A near the third drive and a second cable slot B near the pitch controller; wherein,

[0017] The second groove A and the second groove B are distributed in parallel.

[0018] The second guide rail is located between the second cable groove B and the pitch controller;

[0019] The second guide rail is equipped with a second electrical component that is electrically connected to the pitch controller. The second electrical component is led out through the second cable tray B and then electrically connected to the first driver, the second driver, or the third driver.

[0020] Preferably, a terminal block is provided between the second wire groove A and the second wire groove B; wherein the terminal block is mounted on a terminal guide rail; the terminal guide rail is distributed parallel to the second wire groove A.

[0021] Preferably, the third driver is connected to the terminal block after the wiring harness is led out through the second cable tray A; the pitch controller and the second electrical component are connected to the terminal block after the wiring harness is led out through the second cable tray B.

[0022] Preferably, a second cable tray C is provided in the second pitch cabinet near the cabinet partition. The second cable tray C is perpendicular to the second cable tray A and extends downward from one end near the third driver to the other end near the pitch controller. The first driver or the second driver is connected to the terminal block after the wiring harness is led out through the second cable tray C.

[0023] Preferably, the second electrical component is a circuit breaker and / or a lightning protection module.

[0024] Preferably, the first pitch control unit and the second pitch control unit are respectively fixedly installed on the hub of the pitch system using standard fasteners; the first driver, the second driver and the third driver are respectively fixedly installed in their corresponding pitch control units using standard driver fasteners.

[0025] It should be noted that those skilled in the art can achieve rapid and efficient installation on-site based on the layout design and installation structure provided in this application, avoiding significant power generation losses due to long downtime of the wind turbine due to on-site modification and construction. The specific wiring harness connection schemes used for each drive, pitch controller, and electrical component are common knowledge in the field and can be standardized in advance in the factory for rapid installation on the construction site. This application will not elaborate on these schemes.

[0026] This utility model provides an installation structure for a pitch system cabinet that can be directly installed on-site. When the original wind turbine pitch system is aging and unable to operate normally, the original cabinet can be directly removed, and the pitch system cabinet provided in this application can be quickly installed using the on-site installation interface of the pitch system hub. The electrical components and wiring are pre-completed in the factory within the cabinet, realizing a rearrangement of the electrical components and wiring of the wind turbine pitch system, efficiently and quickly meeting the functions required for the normal operation of the wind turbine. Moreover, this application uses a whole cabinet (i.e., the pitch system cabinet provided in this application) installation structure to replace the original technical modification method. The installation structure is simple and efficient, with a reasonable structural layout and high integration, which significantly improves the installation efficiency and quality of the wind turbine pitch system, and also facilitates disassembly and maintenance when subsequent modifications are needed. Attached Figure Description

[0027] Figure 1 This is a structural schematic diagram of the pitch system cabinet according to a specific embodiment of this application;

[0028] Figure 2 This is a schematic diagram of the internal installation structure of the pitch system cabinet according to a specific embodiment of this application. Detailed Implementation

[0029] This utility model discloses an installation structure for a pitch system cabinet, including a first pitch cabinet and a second pitch cabinet that are separated from each other; wherein, a first driver and a second driver that are arranged vertically at intervals are fixedly installed inside the first pitch cabinet, and a first cable tray and a first guide rail are installed in the internal space of the first pitch cabinet between the first driver and the second driver; a third driver and a pitch controller that are arranged vertically at intervals are fixedly installed in the second pitch cabinet, and a second cable tray and a second guide rail are installed in the internal space of the second pitch cabinet between the third driver and the pitch controller.

[0030] 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.

[0031] Please see Figure 1 and Figure 2 As shown, an installation structure for a pitch system cabinet includes a first pitch cabinet 1 and a second pitch cabinet 2 arranged separately. The first pitch cabinet 1 has a first driver 3a and a second driver 3b fixedly installed inside, spaced vertically apart. A first cable tray and a first guide rail 7 are installed in the internal space between the first driver 3a and the second driver 3b. The second pitch cabinet 2 has a third driver 3c and a pitch controller 8 fixedly installed inside, spaced vertically apart. A second cable tray and a second guide rail 9 are installed in the internal space between the third driver 3c and the pitch controller 8. Preferably, in this embodiment, a cabinet partition 14 separates the first pitch cabinet 1 and the second pitch cabinet 2. The first pitch cabinet 1 and the second pitch cabinet 2 are fixedly installed on the hub of the pitch system.

[0032] Preferably, in this embodiment, the first wire trough includes a first wire trough A5a near the first driver 3a and a first wire trough B5b near the second driver 3b; wherein, the first wire trough A5a and the first wire trough B5b are distributed in parallel; the first guide rail 7 is located between the first wire trough A5a and the first wire trough B5b; a first electrical component A6a and a first electrical component B6b are respectively installed on the first guide rail 7, the first electrical component A6a is electrically connected to the first driver 3a after the wire harness is led out through the first wire trough A5a; the first electrical component B6b is electrically connected to the second driver 3b after the wire harness is led out through the first wire trough B5b; preferably, in this embodiment, the first electrical component A6a and the first electrical component B6b are both circuit breakers.

[0033] Preferably, in this embodiment, the second cable tray includes a second cable tray A11a near the third driver 3c and a second cable tray B11b near the pitch controller 8; wherein the second cable tray A11a and the second cable tray B11b are distributed in parallel; the second guide rail 9 is located between the second cable tray B11b and the pitch controller 8; the second guide rail 9 is respectively equipped with a second electrical component 13 that is electrically connected to the pitch controller 8, and the second electrical component 13 is electrically connected to the first driver 3a, the second driver 3b or the third driver 3c after being led out through the second cable tray B11b.

[0034] Preferably, in this embodiment, a terminal block 10 is provided between the second cable tray A11a and the second cable tray B11b; wherein, the terminal block 10 is mounted on the terminal guide rail 10a; the terminal guide rail 10a and the second cable tray A11a are distributed in parallel; more preferably, in this embodiment, the third driver 3c is connected to the terminal block 10 after the wiring harness is led out through the second cable tray A11a; the pitch controller 8 and the second electrical component 13 are connected to the terminal block 10 after the wiring harness is led out through the second cable tray B11b.

[0035] Preferably, in this embodiment, a second pitch cabinet 2 near the side of the cabinet partition 14 is provided with a second wire groove C11c. The second wire groove C11c is perpendicular to the second wire groove A11a and extends downward from one end near the third driver 3c to the other end near the pitch controller 8. The first driver 3a or the second driver 3b is led out through the second wire groove C11c and connected to the terminal block.

[0036] Preferably, in this embodiment, the second electrical component 13 includes known electrical components such as circuit breakers and lightning protection modules.

[0037] Preferably, the first pitch control cabinet 1 and the second pitch control cabinet 2 are respectively fixedly installed on the hub of the pitch system using standard cabinet fasteners 12; the first driver 3a, the second driver 3b and the third driver 3c are respectively fixedly installed in their corresponding pitch control cabinets using standard driver fasteners 4, thereby achieving a quick and standard installation of the pitch system cabinets on the hub.

[0038] This embodiment provides an installation structure for a pitch system cabinet that can be directly installed on-site. When the original wind turbine pitch system is aging and unable to operate normally, the original cabinet can be directly removed, and the pitch system cabinet provided in this application can be quickly installed using the on-site installation interface of the pitch system hub (all installations are performed using standard fasteners). The electrical components and wiring are pre-completed in the factory within the cabinet, realizing a rearrangement of the electrical components and wiring of the wind turbine pitch system, efficiently and quickly meeting the functions required for the normal operation of the wind turbine. Furthermore, this embodiment uses a complete cabinet (i.e., the pitch system cabinet provided in this embodiment) installation structure to replace the original technical modification method. The installation structure is simple and efficient, with a reasonable layout and high integration, significantly improving the installation efficiency and quality of the wind turbine pitch system, and also facilitating disassembly and maintenance when subsequent modifications are needed.

[0039] 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.

[0040] 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. An installation structure for a pitch system cabinet, characterized in that, It includes a first pitch control unit (1) and a second pitch control unit (2) that are separated from each other; wherein, The first pitch control cabinet (1) has a first driver (3a) and a second driver (3b) that are arranged vertically and horizontally, respectively fixedly installed inside. The first pitch control cabinet (1) located between the first driver (3a) and the second driver (3b) has a first cable tray and a first guide rail (7) installed in the internal space. The second pitch cabinet (2) is fixedly installed with a third drive (3c) and a pitch controller (8) that are distributed vertically and horizontally. The internal space of the second pitch cabinet (2) between the third drive (3c) and the pitch controller (8) is equipped with a second cable tray and a second guide rail (9).

2. The mounting structure of the pitch system cabinet according to claim 1, characterized in that, A cabinet partition (14) is provided between the first pitch cabinet (1) and the second pitch cabinet (2) for separation; and the first pitch cabinet (1) and the second pitch cabinet (2) are respectively fixedly installed on the hub of the pitch system.

3. The mounting structure of the pitch system cabinet according to claim 1 or 2, characterized in that, The first wire slot includes a first wire slot A (5a) near the first driver (3a) and a first wire slot B (5b) near the second driver (3b); wherein, The first groove A (5a) and the first groove B (5b) are distributed in parallel. The first guide rail (7) is located between the first wire groove A (5a) and the first wire groove B (5b); The first electrical component A (6a) and the first electrical component B (6b) are respectively installed on the first guide rail (7). The first electrical component A (6a) is electrically connected to the first driver (3a) after the wire harness is led out through the first wire groove A (5a); the first electrical component B (6b) is electrically connected to the second driver (3b) after the wire harness is led out through the first wire groove B (5b).

4. The mounting structure of the pitch system cabinet according to claim 3, characterized in that, Both the first electrical component A (6a) and the first electrical component B (6b) are circuit breakers.

5. The mounting structure of the pitch system cabinet according to claim 1 or 2, characterized in that, The second cable slot includes a second cable slot A (11a) near the third drive (3c) and a second cable slot B (11b) near the pitch controller (8); wherein, The second groove A (11a) and the second groove B (11b) are distributed in parallel. The second guide rail (9) is located between the second cable groove B (11b) and the pitch controller (8); The second guide rail (9) is equipped with a second electrical component (13) that is electrically connected to the pitch controller (8). The second electrical component (13) is led out through the second wire groove B (11b) and then electrically connected to the first driver (3a), the second driver (3b), or the third driver (3c).

6. The mounting structure of the pitch system cabinet according to claim 5, characterized in that, A terminal block (10) is provided between the second wire groove A (11a) and the second wire groove B (11b); wherein the terminal block (10) is mounted on the terminal guide rail (10a); the terminal guide rail (10a) is parallel to the second wire groove A (11a).

7. The mounting structure of the pitch system cabinet according to claim 6, characterized in that, The third driver (3c) is connected to the terminal block (10) after the wiring harness is led out through the second cable tray A (11a); the pitch controller (8) and the second electrical component (13) are connected to the terminal block (10) after the wiring harness is led out through the second cable tray B (11b).

8. The mounting structure of the pitch system cabinet according to claim 6 or 7, characterized in that, The second pitch cabinet (2) near the cabinet partition (14) is provided with a second wire groove C (11c). The second wire groove C (11c) is perpendicular to the second wire groove A (11a) and extends downward from one end near the third driver (3c) to the other end near the pitch controller (8). The first driver (3a) or the second driver (3b) is led out through the second wire groove C (11c) and connected to the terminal block.

9. The mounting structure of the pitch system cabinet according to claim 5, characterized in that, The second electrical component (13) is a circuit breaker and / or a lightning protection module.

10. The mounting structure of the pitch system cabinet according to claim 1 or 2, characterized in that, The first pitch control unit (1) and the second pitch control unit (2) are respectively fixedly installed on the hub of the pitch system by standard fasteners (12); the first driver (3a), the second driver (3b) and the third driver (3c) are respectively fixedly installed in their corresponding pitch control units by standard fasteners (4).

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