Electrical layout structure of variable pitch system

By adopting a prefabricated electrical layout structure in the wind turbine pitch system, and using a transfer backplate and cable tray rails to arrange electrical components, the problem of introducing new issues due to local modifications in existing technologies has been solved, and the replacement speed and wiring quality have been improved.

CN223854375UActive Publication Date: 2026-01-30FUSHI NEW ENERGY TECH (SHANGHAI) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423013528.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2026-01-30
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Current technology for upgrading wind turbine pitch systems only involves replacing aging components and electrical circuits in certain areas, which fails to improve overall performance and may introduce new problems.

Method used

A prefabricated electrical layout structure is adopted, which uses adapter backplates, cable trays and mounting rails to arrange electrical components in the pitch control cabinet, forming a prefabricated electrical layout structure, ensuring wiring quality and simplifying the replacement process.

Benefits of technology

It improved the speed of replacing components inside the pitch control cabinet, reduced on-site workload, and ensured the wiring quality of electrical components.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223854375U_ABST
    Figure CN223854375U_ABST
Patent Text Reader

Abstract

The utility model discloses an electrical layout structure of a variable pitch system, which comprises a switching back plate arranged on a variable pitch cabinet, a plurality of wire slots arranged on the switching back plate and a mounting guide rail, and a controller arranged on the variable pitch cabinet, wherein a first electrical part is mounted on the wire slot; a second electrical part is mounted on the mounting guide rail; wire harnesses of the electrical parts are led out through the wire ducts and then are in communication connection with the controller. According to the utility model, a prefabricated electrical layout structure is formed, the wiring quality of electrical parts is ensured, during implementation and application, old devices and wires in the variable pitch cabinet are removed, and then the prefabricated electrical layout structure is directly installed in the variable pitch cabinet, so that field personnel do not need to consider the positions of the electrical parts and the wires; and the speed of replacing devices in the variable pitch cabinet is obviously improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of wind generating set, concretely relates to an electrical layout structure of variable pitch system. BACKGROUND

[0002] In prior art, the upgrading of the variable pitch system of the wind generating set is all to replace and upgrade the aging devices or partial electrical circuits of the variable pitch system under the premise of not changing the original variable pitch system, the modification range is limited to the devices or electrical circuits with problems, although the partial frequent faults of the variable pitch system are temporarily solved, the performance of the fan variable pitch system is not improved, and since the modification is only from the local range, the overall consideration is not made, and the modification may introduce new problems.

[0003] Therefore, the applicant hopes to seek a technical solution to solve the above technical problems. SUMMARY

[0004] Therefore, the utility model discloses the purpose in order to propose an electrical layout structure of variable pitch system, forms the electrical layout structure of prefabrication and guarantees the wiring quality of electrical component, when implementation application, directly installs the prefabricated electrical layout structure in the old device and wiring of variable pitch cabinet after removing, does not need on-site personnel to consider the position of each electrical component and wiring, obviously improves the speed of replacing the device in the variable pitch cabinet.

[0005] Therefore, the utility model adopts the technical scheme as follows:

[0006] An electrical layout structure of variable pitch system, comprising a switching backboard installed on a variable pitch cabinet, a plurality of wire slots and an installation guide rail installed on the switching backboard, and a controller installed on the variable pitch cabinet, wherein,

[0007] The first electrical component is installed on the wire slot.

[0008] The second electrical component is installed on the installation guide rail.

[0009] The wire harness of each electrical component is communicated with the controller after being led out through the wire slot.

[0010] Preferably, the wire slot comprises a first wire slot installed on one side of the variable pitch cabinet, a second wire slot installed on the other side of the variable pitch cabinet, and a third wire slot installed on the bottom surface of the variable pitch cabinet, wherein the first wire slot and the second wire slot are respectively provided with a first wire buckle and a second wire buckle.

[0011] Preferably, the first wire slot and the second wire slot are in parallel distribution, and the third wire slot is located between the first wire slot and the second wire slot; the installation guide rail is in parallel distribution with the third wire slot.

[0012] Preferably, a fourth wire slot is also installed on the adapter backboard between the installation rail and the controller, and the fourth wire slot is distributed in parallel with the installation rail.

[0013] Preferably, the first electrical component is installed between the first wire slot and the fourth wire slot.

[0014] Preferably, the first electrical component is a terminal.

[0015] Preferably, a third electrical component is installed on the second wire slot, and the third electrical component is a lightning protection module.

[0016] Preferably, the second electrical component is a circuit breaker.

[0017] Preferably, a fourth electrical component is also installed on the second wire slot, and the fourth electrical component is a reactor.

[0018] The utility model discloses a kind of electrical layout structures of variable pitch system, including the adapter backboard installed on variable pitch cabinet, several wire slots and installation rail installed on adapter backboard, controller is also installed on variable pitch cabinet;Wherein, first electrical component is installed on wire slot;Second electrical component is installed on installation rail;The wire harness of each electrical component is communicated and connected with controller after being led out through wire slot. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the electrical layout structure schematic view of variable pitch system in the specific embodiment of the present application. DETAILED DESCRIPTION

[0020] The utility model discloses a kind of electrical layout structures of variable pitch system, including the adapter backboard installed on variable pitch cabinet, several wire slots and installation rail installed on adapter backboard, controller is also installed on variable pitch cabinet;Wherein, first electrical component is installed on wire slot;Second electrical component is installed on installation rail;The wire harness of each electrical component is communicated and connected with controller after being led out through wire slot.

[0021] In order to more clearly illustrate the technical scheme in the utility model embodiment or prior art, the following will be to the drawing used in embodiment or prior art description briefly introduced, obviously, the drawing in the following description only some embodiments are recorded in the utility model, for those skilled in the art, without creative labor, can also obtain other drawings according to these drawings.

[0022] Please see Figure 1As shown, an electrical layout structure of a variable pitch system includes a switching backboard 12 mounted on a variable pitch cabinet 3, a plurality of wire slots and a mounting rail 7 mounted on the switching backboard 12, and a controller 11 mounted on the variable pitch cabinet 3; wherein a first electrical component 1 is mounted on the wire slot; a second electrical component 6 is mounted on the mounting rail 7; and the wire harness of each electrical component is connected in communication with the controller 11 after being led out through the wire slot.

[0023] Preferably, in the embodiment, the wire slots include a first wire slot 4 mounted on one side of the variable pitch cabinet 3, a second wire slot 8 mounted on the other side of the variable pitch cabinet 3, and a third wire slot 5 mounted on the bottom of the variable pitch cabinet 3; wherein the first wire slot 4 and the second wire slot 8 are respectively provided with a first wire clamp 2 and a second wire clamp 9.

[0024] Preferably, in the embodiment, the first wire slot 4 and the second wire slot 8 are in parallel distribution, and the third wire slot 5 is located between the first wire slot 4 and the second wire slot 8; the mounting rail 7 is in parallel distribution with the third wire slot 5; further preferably, in the embodiment, the switching backboard 12 is further provided with a fourth wire slot 13 located between the mounting rail 7 and the controller 11, and the fourth wire slot 13 is in parallel distribution with the mounting rail 7.

[0025] Preferably, in the embodiment, the first electrical component 1 is mounted between the first wire slot 4 and the fourth wire slot 13.

[0026] Preferably, in the embodiment, the first electrical component 1 is a terminal for facilitating wire connection; the second electrical component 10 mounted on the second wire slot 8 is a lightning protection module, which is an electrical device for protecting various electrical devices in the power system from damage caused by lightning overvoltage, operating overvoltage, and power frequency transient overvoltage; and the second electrical component 6 is a circuit breaker for protecting the circuit from damage caused by overcurrent / overload or short circuit, and its basic function is to disconnect the current when the protection relay detects a fault.

[0027] Preferably, in the embodiment, the second wire slot 8 is further provided with a fourth electrical component 14, which is a reactor for resisting current change.

[0028] The embodiment uses the switching backboard as the structural basis, and arranges the wire slots and the mounting rail structure on the switching backboard, installs and arranges the electrical components on the wire slots and the mounting rail according to the electrical components required by the technical improvement, and completes the wiring to form a prefabricated electrical layout structure and ensure the wiring quality of the electrical components. In the implementation and application, after the old devices and wiring in the variable pitch cabinet are removed, the prefabricated electrical layout structure can be directly installed in the variable pitch cabinet, without the need for on-site personnel to consider the positions of the electrical components and the wiring, thereby significantly improving the speed of replacing the devices in the variable pitch cabinet.

[0029] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0030] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person 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 a person skilled in the art can understand.

Claims

1. An electrical layout of a variable pitch system, characterized by, The application relates to a power distribution cabinet, which comprises a switching backboard (12) installed on a variable-pitch cabinet (3), a plurality of wire slots and a mounting rail (7) installed on the switching backboard (12), and a controller (11) installed on the variable-pitch cabinet (3). A first electrical component (1) is installed on the wire slot. A second electrical component (6) is installed on the mounting rail (7). The wire harness of each electrical component is connected with the controller (11) in communication after being led out through the wire slot.

2. The electrical layout of the pitch system according to claim 1, characterized in that, The wire slot comprises a first wire slot (4) installed on one side of the variable-pitch cabinet (3), a second wire slot (8) installed on the other side of the variable-pitch cabinet (3) and a third wire slot (5) installed on the bottom of the variable-pitch cabinet (3), wherein the first wire slot (4) and the second wire slot (8) are respectively provided with a first wire buckle (2) and a second wire buckle (9).

3. The electrical layout of the pitch system according to claim 2, characterized in that, The first wire slot (4) and the second wire slot (8) are in parallel distribution, and the third wire slot (5) is located between the first wire slot (4) and the second wire slot (8); the mounting rail (7) is in parallel distribution with the third wire slot (5).

4. The electrical layout of the pitch system according to claim 3, characterized in that, The switching backboard (12) is further provided with a fourth wire slot (13) located between the mounting rail (7) and the controller (11), and the fourth wire slot (13) is in parallel distribution with the mounting rail (7).

5. The electrical layout of the pitch system according to claim 4, characterized in that, The first electrical component (1) is installed between the first wire slot (4) and the fourth wire slot (13).

6. The electrical layout of the pitch system according to claim 1 or 4, characterized in that, The first electrical component (1) is a wiring terminal.

7. The electrical layout of the pitch system according to claim 2, characterized in that, The second wire slot (8) is provided with a third electrical component (10), which is a lightning protection module.

8. The electrical layout of the pitch system of claim 1, wherein, The second electrical component (6) is a circuit breaker.

9. The electrical layout of the pitch system according to claim 2, characterized in that, The second wire slot (8) is further provided with a fourth electrical component (14), which is a reactor.