Fixing assembly and offshore wind power oil-immersed transformer
By designing fixed components for offshore wind power oil-immersed transformers, using the structure of bottom plate parts, vertical rod parts and pressure plate parts to fix the current transformer, the impact of vibration of offshore wind power oil-immersed transformers on the operation of the current transformer is solved, and the impact of the vibration of offshore wind power oil-immersed transformers on the operation of the current transformer is realized. More stable equipment operation.
Patent Information
- Application Number
- CN202323517506.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-22
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2033-12-22
AI Technical Summary
The vibration of offshore wind power oil-immersed transformer during operation affects the operation of the current transformer, resulting in difficulties in measuring and protecting the circuit.
A fixed assembly is designed, including a base plate piece, a vertical rod piece and a pressure plate piece, for fixing the current transformer to reduce the impact of vibration through a laminated placement and pressure-repelling structure. This component consists of a base plate piece, a vertical rod piece and a pressure plate piece. The vertical rod piece is equipped with a pad piece. The pressure plate piece and the top end of the vertical rod piece can be detachably connected to fix the current transformer and reduce the impact of vibration on its operation.
Through the design of fixed components, the current transformer can be effectively fixed, reducing the impact of vibration on its operation, and improving the stability and measurement accuracy of the equipment.
Smart Images
Figure CN222354870U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of transformer equipment, in particular to a fixing component and an offshore wind power oil-immersed transformer. Background Art
[0002] As the voltage level requirements for offshore wind power oil-immersed transformers increase, offshore wind power oil-immersed transformers need to be installed with at least two current transformers to measure and protect their lines. However, offshore wind power oil-immersed transformers will generate vibrations during operation, which will affect the operation of the current transformers. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a fixing component that can reduce the influence of vibration on the operation of the current transformer.
[0004] The utility model also provides an offshore wind power oil-immersed transformer with the fixing assembly.
[0005] According to a first aspect of an embodiment of the utility model, a fixing component is used to fix at least two current transformers. The fixing component includes a bottom plate member, a vertical rod member and a pressure plate member. The vertical rod members are arranged in at least three, and the bottom end of the vertical rod member is connected to the bottom plate member. The bottom plate member and at least three vertical rod members together form a limiting space for at least two current transformers to be stacked. The vertical rod member is provided with at least two pad members. At least two of the pad members located on the same vertical rod member are used to be respectively arranged between the bottom plate member and the current transformer located at the bottom of the limiting space, and between two adjacent current transformers located in the limiting space. The pressure plate member is detachably connected to the top end of the vertical rod member. The pressure plate member and the bottom plate member are arranged relative to each other, and the pressure plate member is used to press the current transformer located at the top of the limiting space.
[0006] A fixing component according to an embodiment of the utility model has at least the following beneficial effects: through the above structure, at least two current transformers are stacked and placed in the limited space, and the pressure plate presses the current transformer located at the top of the limited space to fix the above at least two current transformers, thereby reducing the impact of vibration on the operation of the current transformer.
[0007] According to some embodiments of the utility model, the cushion block is provided with a surrounding block portion, and the surrounding block portions on at least three of the vertical rods are used to be arranged around the periphery of the current transformer located in the limiting space.
[0008] According to some embodiments of the utility model, the vertical rod member is provided with a paper tube member, the two ends of the paper tube member are respectively abutted against the bottom plate member and the pressure plate member, and the paper tube member is provided with at least two cushion blocks.
[0009] According to some embodiments of the present invention, a magnetic isolation plate is provided at the bottom of the bottom plate.
[0010] According to some embodiments of the present invention, the bottom plate is provided with a first connecting hole, the magnetic isolation plate is provided with a second connecting hole, and the bottom end of the vertical rod is threadedly connected to the first connecting hole and the second connecting hole in sequence.
[0011] According to some embodiments of the utility model, the pressure plate member is provided with at least three third connecting holes, the top ends of at least three vertical rod members are correspondingly passed through at least three third connecting holes, the top ends of the vertical rod members are threadedly connected with fasteners, and the fasteners abut against the top of the pressure plate member.
[0012] According to some embodiments of the present utility model, a gasket is sleeved on the top end of the vertical rod member, and the gasket is located between the fastener and the pressure plate member.
[0013] According to some embodiments of the present utility model, the bottom plate member is provided with a first through hole corresponding to the inner hole of the current transformer, and the pressing plate member is provided with a second through hole corresponding to the inner hole of the current transformer.
[0014] According to some embodiments of the present invention, the number of the vertical rods is set to four.
[0015] An offshore wind power oil-immersed transformer according to an embodiment of the second aspect of the utility model includes a fixing assembly as described above.
[0016] The offshore wind power oil-immersed transformer according to the embodiment of the utility model has at least the following beneficial effects: through the above structure, the influence of vibration on the operation of the current transformer can be reduced.
[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0019] Figure 1 This is a structural diagram of an embodiment of a fixing assembly of the utility model;
[0020] Figure 2 for Figure 1A cross-sectional view of the fixing assembly shown in ;
[0021] Figure 3 for Figure 1 A partial exploded view of the fixing assembly shown in FIG.
[0022] Reference numerals:
[0023] Bottom plate 100, first connecting hole 110, first through hole 120;
[0024] Vertical rod 200;
[0025] The pressing plate 300, the third connecting hole 310, and the second through hole 320;
[0026] The cushion block 400 and the surrounding block portion 410;
[0027] Paper tube 500;
[0028] A magnetic isolation plate 600 and a second connection hole 610;
[0029] Fastener 710, gasket 720;
[0030] Current transformer 800. DETAILED DESCRIPTION
[0031] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0032] In the description of the utility model, if there is a description of first, second, third, fourth, fifth, etc., it is only for the purpose of distinguishing the technical features and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0033] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0034] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.
[0035] Reference Figures 1 to 3 The embodiment of the utility model provides a fixing assembly, which is used to fix two current transformers 800 . The fixing assembly includes a bottom plate 100 , a vertical rod 200 and a pressure plate 300 .
[0036] There are four vertical rods 200, and the bottom ends of the vertical rods 200 are connected to the bottom plate 100. The bottom plate 100 and the four vertical rods 200 together form a limited space (not marked in the figure) for two current transformers 800 to be stacked. The vertical rods 200 are provided with two pads 400. The two pads 400 located on the same vertical rod 200 are used to be respectively arranged between the bottom plate 100 and the current transformer 800 located at the bottom of the limited space, and between two adjacent current transformers 800 located in the limited space. The pressure plate 300 is detachably connected to the top end of the vertical rod 200, and the pressure plate 300 and the bottom plate 100 are arranged relative to each other. The pressure plate 300 is used to press the current transformer 800 located at the top of the limited space.
[0037] Through the above structure, two current transformers 800 are stacked in the limiting space, and the pressure plate 300 presses the current transformer 800 located at the top of the limiting space to fix the above two current transformers 800, thereby reducing the impact of vibration on the operation of the current transformer 800.
[0038] It can be understood that the number of the spacer members 400 arranged on the same vertical rod member 200 is the same as the number of the current transformers 800 arranged in the limiting space.
[0039] It is understandable that the circuit transformer 800 cannot escape from or enter the limited space through the gap between two adjacent vertical rods 200; the user can only place the two current transformers 800 in the limited space one by one from top to bottom; when the pressure plate 300 presses against the current transformer 800 at the top of the limited space, the two current transformers 800 located in the limited space are fixed.
[0040] In this embodiment, the pressing plate 300 is made of a phenolic board material, and the bottom plate 100 is made of a phenolic board material.
[0041] In some embodiments, three vertical rods 200 are provided, and the bottom ends of the vertical rods 200 are connected to the bottom plate 100. The bottom plate 100 and the three vertical rods 200 together enclose a limited space for two current transformers 800 to be stacked. The vertical rods 200 are provided with two pads 400. The two pads 400 located on the same vertical rod 200 are used to be respectively arranged between the bottom plate 100 and the current transformer 800 located at the bottom of the limited space, and between two adjacent current transformers 800 located in the limited space. The pressure plate 300 is detachably connected to the top end of the vertical rod 200. The pressure plate 300 and the bottom plate 100 are arranged relative to each other. The pressure plate 300 is used to press the current transformer 800 located at the top of the limited space.
[0042] In some embodiments, four vertical rods 200 are provided, and the bottom ends of the vertical rods 200 are connected to the bottom plate 100. The bottom plate 100 and the four vertical rods 200 together enclose a limited space for three current transformers 800 to be stacked. The vertical rods 200 are provided with three pads 400. The three pads 400 located on the same vertical rod 200 are used to be respectively arranged between the bottom plate 100 and the current transformer 800 located at the bottom of the limited space, and between two adjacent current transformers 800 located in the limited space. The pressure plate 300 is detachably connected to the top end of the vertical rod 200. The pressure plate 300 and the bottom plate 100 are arranged relative to each other. The pressure plate 300 is used to press the current transformer 800 located at the top of the limited space.
[0043] It should be noted that the first position is between the bottom plate 100 and the current transformer 800 at the bottom of the limited space, and the second position is between two adjacent current transformers 800 in the limited space, wherein the number a of the second positions is related to the number b of the current transformers 800 (a=b-1). When the three pads 400 located on the same vertical rod 200 are used to be respectively arranged between the bottom plate 100 and the current transformer 800 at the bottom of the limited space, and between two adjacent current transformers 800 in the limited space, that is, the pad 400 located at the bottom is arranged at the first position, and the remaining pads 400 are arranged at the second position one by one.
[0044] In order to optimize the fixing effect of the current transformer 800, refer to Figure 1 , Figure 2 as well as Figure 3 The cushion block 400 is provided with a surrounding block portion 410, and the surrounding block portions 410 on the four vertical rods 200 are used to be arranged around the current transformer 800 located in the limiting space.
[0045] In this embodiment, refer to Figure 1 and Figure 2The vertical rod member 200 is sleeved with a paper tube member 500 , and two ends of the paper tube member 500 are respectively abutted against the bottom plate member 100 and the pressure plate member 300 , and the paper tube member 500 is sleeved with the above-mentioned two cushion blocks 400 .
[0046] In this embodiment, refer to Figure 1 and Figure 2 Two magnetic isolation plates 600 are provided at the bottom of the bottom plate 100 .
[0047] The bottom ends of two vertical rods 200 are detachably connected to a magnetic isolation plate 600, the bottom ends of the other two vertical rods 200 are detachably connected to another magnetic isolation plate 600, and the bottom ends of the vertical rods 200 are detachably connected to the bottom plate 100. For details, refer to Figure 2 The bottom plate 100 is provided with four first connection holes 110 , each magnetic isolation plate 600 is provided with two second connection holes 610 , and the bottom end of the vertical rod 200 is threadedly connected to one of the first connection holes 110 and one of the second connection holes 610 in sequence.
[0048] In this embodiment, the vertical rod 200 is a screw rod, the first connection hole 110 is a screw hole, and the second connection hole 610 is a screw hole.
[0049] Through the above structure, the vertical rod member 200 is detachably connected to the bottom plate member 100, and the vertical rod member 200 is detachably connected to the magnetic isolation plate 600, so as to facilitate subsequent maintenance and repair work.
[0050] In some embodiments, a magnetic isolation plate 600 is provided at the bottom of the base plate 100, the base plate 100 is provided with four first connecting holes 110, the magnetic isolation plate 600 is provided with four second connecting holes 610, and the bottom end of the vertical rod 200 is threadedly connected to one of the first connecting holes 110 and one of the second connecting holes 610 in sequence.
[0051] The pressing plate 300 is detachably connected to the top end of the vertical rod 200. For details, refer to Figure 2 The pressing plate 300 is provided with four third connection holes 310, and the top ends of the four vertical rods 200 are correspondingly penetrated through the four third connection holes 310. The top ends of the vertical rods 200 are threadedly connected with fasteners 710, and the fasteners 710 abut against the top of the pressing plate 300. The third connection holes 310 are through-hole structures; and the fasteners 710 are provided as nut members.
[0052] Through the above structure, the pressing plate member 300 is detachably connected to the top end of the vertical rod member 200, so as to facilitate the installation and removal of the current transformer 800 in the limited space.
[0053] In this embodiment, refer to Figure 2 and Figure 3A gasket 720 is sleeved on the top end of the vertical rod 200 , and the gasket 720 is located between the fastener 710 and the pressure plate 300 .
[0054] It can be understood that the gasket 720 is located between the fastener 710 and the pressure plate 300 , and the fastener 710 is indirectly abutted against the top of the pressure plate 300 through the gasket 720 .
[0055] In this embodiment, refer to Figure 2 and Figure 3 The bottom plate 100 is provided with a first through hole 120 corresponding to the inner hole of the current transformer 800 , and the pressing plate 300 is provided with a second through hole 320 corresponding to the inner hole of the current transformer 800 .
[0056] In this embodiment, refer to Figure 2 and Figure 3 An avoidance space (not marked in the figure) corresponding to the first through hole 120 is provided between the two magnetic isolation plates 600.
[0057] The utility model also proposes an offshore wind power oil-immersed transformer, which includes the above-mentioned fixing assembly. Through the above-mentioned structure, the influence of vibration on the operation of the current transformer can be reduced.
[0058] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.
Claims
1. A fixing assembly for fixing at least two current transformers (800), characterized in that: include Bottom plate member (100); At least three vertical rods (200) are provided, the bottom ends of the vertical rods (200) are connected to the bottom plate (100), the bottom plate (100) and the at least three vertical rods (200) together enclose a limited space for at least two current transformers (800) to be stacked, the vertical rods (200) are sleeved with at least two cushion blocks (400), and at least two cushion blocks (400) located on the same vertical rod (200) are used to be respectively arranged between the bottom plate (100) and the current transformer (800) located at the bottom of the limited space, and between two adjacent current transformers (800) located in the limited space; The pressure plate member (300) is detachably connected to the top end of the vertical rod member (200), the pressure plate member (300) and the bottom plate member (100) are arranged opposite to each other, and the pressure plate member (300) is used to press the current transformer (800) located at the top of the limiting space.
2. A fixing assembly according to claim 1, characterized in that: The cushion block (400) is provided with a surrounding block portion (410), and the surrounding block portions (410) on at least three of the vertical rods (200) are used to be arranged around the periphery of the current transformer (800) located in the limiting space.
3. A fixing assembly according to claim 1, characterized in that: The vertical rod member (200) is sleeved with a paper tube member (500), two ends of the paper tube member (500) are respectively in contact with the bottom plate member (100) and the pressure plate member (300), and the paper tube member (500) is sleeved with at least two cushion block members (400).
4. A fixing assembly according to claim 1, characterized in that: A magnetic isolation plate (600) is provided at the bottom of the bottom plate (100).
5. A fixing assembly according to claim 4, characterized in that: The bottom plate (100) is provided with a first connection hole (110), the magnetic isolation plate (600) is provided with a second connection hole (610), and the bottom end of the vertical rod (200) is threadedly connected to the first connection hole (110) and the second connection hole (610) in sequence.
6. A fixing assembly according to claim 1, characterized in that: The pressure plate member (300) is provided with at least three third connection holes (310), and the top ends of at least three vertical rod members (200) are correspondingly arranged in the at least three third connection holes (310), and the top ends of the vertical rod members (200) are threadedly connected with fasteners (710), and the fasteners (710) are abutted against the top of the pressure plate member (300).
7. A fixing assembly according to claim 6, characterized in that: A gasket (720) is sleeved on the top end of the vertical rod (200), and the gasket (720) is located between the fastener (710) and the pressure plate (300).
8. A fixing assembly according to claim 1, characterized in that: The bottom plate member (100) is provided with a first through hole (120) corresponding to the inner hole of the current transformer (800), and the pressing plate member (300) is provided with a second through hole (320) corresponding to the inner hole of the current transformer (800).
9. A fixing assembly according to claim 1, characterized in that: The number of the vertical rods (200) is set to four.
10. Offshore wind power oil-immersed transformer, characterized by: The invention comprises a fixing assembly as claimed in any one of claims 1 to 9.