Damping support for zero sequence mutual inductor of switch cabinet

Abstract

The utility model relates to the technical field of zero-sequence mutual inductors, and discloses a switch cabinet zero-sequence mutual inductor damping support which comprises two arc-shaped bottom plates and a zero-sequence mutual inductor body, the upper surface of each arc-shaped bottom plate is fixedly connected with two dampers, and the top ends of every two adjacent dampers are fixedly connected with the same fine tuning plate. According to the damping support for the zero-sequence mutual inductor of the switch cabinet, the purpose of connecting the zero-sequence mutual inductor body and the whole can be achieved through the U-shaped clamp and the connecting hole, the purpose of fixing the whole can be achieved through the first fixing hole and the arc-shaped bottom plate, and the height adjusting assembly is arranged to adjust the height of the zero-sequence mutual inductor. The height of the zero-sequence mutual inductor body can be finely adjusted, a user can conveniently adjust the position of the zero-sequence mutual inductor body, the overall flexibility is further improved, and the purpose of damping the zero-sequence mutual inductor body can be achieved through the damper and the damping assembly; the adverse effect of an external vibration source on the zero sequence mutual inductor body can be effectively reduced.

Description

Technical Field

[0001] The present application relates to the technical field of zero-sequence transformers, and in particular to a shock-absorbing bracket for a zero-sequence transformer of a switch cabinet. Background Art

[0002] A zero-sequence transformer is a transformer specifically designed to detect and measure zero-sequence current in a power system. In a three-phase power system, any imbalance or fault may lead to the appearance of zero-sequence currents, which may cause damage to equipment and systems, so they need to be monitored and controlled. Zero-sequence transformers usually consist of three windings connected in parallel with the three-phase conductors of the system. When there is an imbalance or fault in the power grid, a zero-sequence current will pass through the winding, and the zero-sequence transformer will convert this current into a measurement signal for use by protection devices and monitoring systems.

[0003] When the zero-sequence transformer is installed inside a device or cabinet, if there is a motor near the installation or a vibration source at the installation location, it may be affected by external vibration, which in turn causes the zero-sequence transformer to vibrate slightly on the surface of the cable. The vibration may interfere with the internal structure of the zero-sequence transformer, causing errors when measuring zero-sequence current, thereby affecting the accurate judgment of the power system status. Utility Model Content

[0004] In response to the shortcomings of the prior art, the present application provides a switch cabinet zero-sequence transformer shock-absorbing bracket, which has the advantages of shock absorption, etc., and solves the problem that vibration may interfere with the internal structure of the zero-sequence transformer, causing errors when measuring zero-sequence current, thereby affecting the accurate judgment of the power system status.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a switch cabinet zero-sequence transformer shock-absorbing bracket, comprising two arc-shaped bottom plates and a zero-sequence transformer body, the upper surface of each arc-shaped bottom plate is fixedly connected to two dampers, the tops of each two adjacent dampers are fixedly connected to the same fine-tuning plate, the upper surfaces of the two fine-tuning plates are provided with height adjustment components, and the upper parts of the two fine-tuning plates are provided with U-shaped clips;

[0006] Each of the height adjustment assemblies comprises a threaded piston, a lifting rod and a threaded sleeve;

[0007] Two sets of shock absorbing components are arranged on the sides of the two arc-shaped bottom plates which are away from each other;

[0008] Each of the shock absorbing components comprises a shock absorbing cylinder, a movable rod, a spring and a connecting rod.

[0009] Through the above scheme, the purpose of connecting the zero-sequence transformer body and the whole can be achieved through the provision of U-shaped clips and connecting holes, the purpose of fixing the whole can be achieved through the provision of the first fixing hole and the arc-shaped bottom plate, the height of the zero-sequence transformer body can be fine-tuned through the provision of the height adjustment component, which is convenient for the user to adjust the position of the zero-sequence transformer body, thereby improving the overall flexibility, and the purpose of shock absorbing the zero-sequence transformer body can be achieved through the provision of the damper and shock absorbing component, which can effectively reduce the adverse effects of external vibration sources on the zero-sequence transformer body.

[0010] Furthermore, each of the threaded pistons is threadedly connected to a threaded sleeve adjacent to it, the bottom ends of the two lifting rods are fixedly connected to the threaded pistons adjacent to them, the top ends of the two lifting rods are fixedly connected to the bottom of the U-shaped clips adjacent to them, and the bottom end of each threaded sleeve is rotatably connected to the fine-tuning plate adjacent to it.

[0011] Through the above solution, the lifting rod can be moved up and down by rotating the threaded sleeve.

[0012] Furthermore, each of the shock-absorbing cylinders is threadedly connected to the arc-shaped bottom plate adjacent to it, each of the movable rods is slidably inserted into the shock-absorbing cylinder adjacent to it, the two ends of each of the springs are respectively fixedly connected to the inner wall of the shock-absorbing cylinder adjacent to it and the movable rod, the bottom end of each of the connecting rods is hinged to one end of the movable rod adjacent to it, and the top end of each of the connecting rods is hinged to the bottom of the fine-tuning plate.

[0013] Through the above scheme, by setting the connecting rod and the spring, and cooperating with the damper, the purpose of buffering and reducing the shock of the zero-sequence sensor body can be achieved.

[0014] Furthermore, two first fixing holes are provided on the upper surfaces of the two arc-shaped bottom plates.

[0015] Through the above solution, by setting the first fixing hole, it is convenient for the user to make a fixed connection with the outside world.

[0016] Furthermore, the bottom of each threaded sleeve is fixedly connected to a turning handle.

[0017] Through the above solution, by setting the turning handle, it is convenient for the user to rotate the threaded sleeve.

[0018] Furthermore, one side surface of the two U-shaped clips is provided with a connection hole penetrating the zero-sequence transformer body.

[0019] Through the above solution, the setting of the connecting hole makes it convenient for the user to connect the U-shaped clip with the zero-sequence transformer.

[0020] Furthermore, double-headed threaded rods are inserted into the interior of the two connection holes, and nuts are threadedly connected at both ends of the two double-headed threaded rods.

[0021] Through the above solution, by providing the double-headed threaded rod and the nut, it is convenient for users to disassemble and assemble the U-shaped clip.

[0022] Furthermore, the outer surfaces of the two turning handles are both provided with a pattern drawing process.

[0023] According to the above scheme, by providing the patterning process on the outer surface of the handle, it is possible to prevent the user from slipping when turning the handle.

[0024] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0025] The zero-sequence transformer shock-absorbing bracket of the switch cabinet can achieve the purpose of connecting the zero-sequence transformer body to the whole through the U-shaped clip and the connecting hole, can achieve the purpose of fixing the whole through the first fixing hole and the arc-shaped bottom plate, can fine-tune the height of the zero-sequence transformer body through the height adjustment component, and is convenient for the user to adjust the position of the zero-sequence transformer body, thereby improving the overall flexibility, and can achieve the purpose of shock-absorbing the zero-sequence transformer body through the damper and shock-absorbing component, and can effectively reduce the adverse effects of external vibration sources on the zero-sequence transformer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A three-dimensional diagram of the overall structure of this application Figure 1 ;

[0027] Figure 2 A cross-sectional view of a three-dimensional schematic diagram of the overall structure of the present application;

[0028] Figure 3 A three-dimensional diagram of the overall structure of this application Figure 2 ;

[0029] Figure 4 This is a cross-sectional view of the front view of the overall structure of this application.

[0030] In the figure:

[0031] 1. Arc bottom plate; 2. Zero sequence transformer body; 3. Damper; 4. Fine adjustment plate; 5. Height adjustment assembly; 501. Threaded piston; 502. Lifting rod; 503. Threaded sleeve; 6. U-shaped clip; 7. Shock absorber assembly; 701. Shock absorber cylinder; 702. Movable rod; 703. Spring; 704. Connecting rod; 8. First fixing hole; 9. Turning handle; 10. Connecting hole; 11. Double-headed threaded rod; 12. Nut. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0033] See also Figure 1 , Figure 3 and Figure 4 A switch cabinet zero-sequence transformer shock-absorbing bracket in this embodiment includes two arc-shaped bottom plates 1 and a zero-sequence transformer body 2. Two first fixing holes 8 are provided on the upper surfaces of the two arc-shaped bottom plates 1. The setting of the first fixing holes 8 can facilitate the user to make a fixed connection with the outside world. Two dampers 3 are fixedly connected to the upper surface of each arc-shaped bottom plate 1. The tops of every two adjacent dampers 3 are fixedly connected to the same fine-tuning plate 4. The upper surfaces of the two fine-tuning plates 4 are provided with height adjustment components 5, and U-shaped clips 6 are provided above the two fine-tuning plates 4.

[0034] See also Figure 1 , Figure 2 and Figure 3 A connecting hole 10 penetrating the zero-sequence transformer body 2 is provided on one side of the two U-shaped clips 6. The setting of the connecting hole 10 facilitates the user to connect the U-shaped clip 6 with the zero-sequence transformer. A double-headed threaded rod 11 is inserted into the inside of the two connecting holes 10. Both ends of the two double-headed threaded rods 11 are threadedly connected with nuts 12. The setting of the double-headed threaded rod 11 and the nut 12 can facilitate the user to disassemble and assemble the U-shaped clip 6.

[0035] See also Figure 1 , Figure 2 and Figure 4 Each height adjustment component 5 includes a threaded piston 501, a lifting rod 502 and a threaded sleeve 503. Each threaded piston 501 is threadedly connected to the threaded sleeve 503 adjacent to it. The bottom ends of the two lifting rods 502 are fixedly connected to the threaded piston 501 adjacent to them. The top ends of the two lifting rods 502 are fixedly connected to the bottom of the U-shaped clip 6 adjacent to them. The bottom end of each threaded sleeve 503 is rotatably connected to the fine-tuning plate 4 adjacent to it. The lifting rod 502 can be moved up and down by rotating the threaded sleeve 503. The bottom of each threaded sleeve 503 is fixedly connected to a turning handle 9. The setting of the turning handle 9 can facilitate the user to rotate the threaded sleeve 503. The outer surfaces of the two turning handles 9 are provided with a drawing process. The outer surface of the turning handle 9 is provided with a drawing process to avoid the user's hand slipping during the turning process of the turning handle 9.

[0036] See also Figure 1 , Figure 2 and Figure 4 Two groups of shock absorbing components 7 are provided on the sides of the two arc-shaped bottom plates 1 away from each other, and each shock absorbing component 7 includes a shock absorbing cylinder 701, a movable rod 702, a spring 703 and a connecting rod 704. Each shock absorbing cylinder 701 is threadedly connected to the arc-shaped bottom plate 1 adjacent to it, and each movable rod 702 is slidably inserted into the shock absorbing cylinder 701 adjacent to it. The two ends of each spring 703 are respectively fixedly connected to the inner wall of the shock absorbing cylinder 701 adjacent to it and the movable rod 702. The bottom end of each connecting rod 704 is hinged to one end of the movable rod 702 adjacent to it, and the top end of each connecting rod 704 is hinged to the bottom of the fine-tuning plate 4. Through the setting of the connecting rod 704 and the spring 703, and in conjunction with the damper 3, the purpose of buffering and reducing shock to the zero-sequence sensor body can be achieved.

[0037] A switch cabinet zero-sequence transformer shock-absorbing bracket in the present embodiment can achieve the purpose of connecting the zero-sequence transformer body 2 with the whole through the provided U-shaped clip 6 and the connecting hole 10, can achieve the purpose of fixing the whole through the provided first fixing hole 8 and the arc-shaped bottom plate 1, can fine-tune the height of the zero-sequence transformer body 2 through the provided height adjustment component 5, and is convenient for the user to adjust the position of the zero-sequence transformer body 2, thereby improving the overall flexibility, and can achieve the purpose of shock-absorbing the zero-sequence transformer body 2 through the provided damper 3 and shock-absorbing component 7, and can effectively reduce the adverse effects of external vibration sources on the zero-sequence transformer body 2.

[0038] It should be noted that when adjusting the height of the zero-sequence transformer body 2 , the user is required to rotate the two handles 9 at the same time.

[0039] The working principle of the above embodiment is: when in use, the zero-sequence transformer body 2 is socketed with the external cable, and then the two U-shaped clips 6 are in contact with the zero-sequence transformer body 2, so that the connecting holes 10 are on the same axis, and then the two-way threaded rods are plugged into the connecting holes 10 and fixed with nuts 12, and then the two arc-shaped bottom plates 1 are fixed with the external mounting plate. By rotating the two turning handles 9, the threaded sleeve 503 can be driven to rotate. During the rotation, the threaded sleeve 503 drives the threaded piston 501 to rise or fall, and adjusts the height of the U-shaped clip 6 and the zero-sequence transformer. When the whole vibrates, the connecting rod 704 can push the movable rod 702 to squeeze or stretch the spring 703, and cooperate with the damper 3 for buffering and shock absorption, effectively reducing the adverse effects of vibration on the zero-sequence transformer body 2.

[0040] 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 sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0041] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A switch cabinet zero-sequence transformer shock-absorbing bracket, comprising two arc-shaped bottom plates (1) and a zero-sequence transformer body (2), characterized in that: The upper surface of each arc-shaped bottom plate (1) is fixedly connected to two dampers (3), the tops of each two adjacent dampers (3) are fixedly connected to the same fine-tuning plate (4), the upper surfaces of the two fine-tuning plates (4) are provided with height adjustment components (5), and the upper parts of the two fine-tuning plates (4) are provided with U-shaped clips (6); Each of the height adjustment components (5) comprises a threaded piston (501), a lifting rod (502) and a threaded sleeve (503); Two sets of shock absorbing components (7) are provided on the sides of the two arc-shaped bottom plates (1) that are away from each other; Each of the shock absorbing components (7) comprises a shock absorbing cylinder (701), a movable rod (702), a spring (703) and a connecting rod (704).

2. A switch cabinet zero-sequence transformer shock-absorbing bracket according to claim 1, characterized in that: Each of the threaded pistons (501) is threadedly connected to a threaded sleeve (503) adjacent to it, the bottom ends of the two lifting rods (502) are fixedly connected to the threaded pistons (501) adjacent to them, the top ends of the two lifting rods (502) are fixedly connected to the bottom of a U-shaped clip (6) adjacent to them, and the bottom end of each of the threaded sleeves (503) is rotatably connected to a fine-tuning plate (4) adjacent to it.

3. A switch cabinet zero-sequence transformer shock-absorbing bracket according to claim 1, characterized in that: Each of the shock absorbing cylinders (701) is threadedly connected to the arc-shaped bottom plate (1) adjacent to it, each of the movable rods (702) is slidably plugged into the shock absorbing cylinder (701) adjacent to it, both ends of each of the springs (703) are respectively fixedly connected to the inner wall of the shock absorbing cylinder (701) adjacent to it and the movable rod (702), the bottom end of each of the connecting rods (704) is hinged to one end of the movable rod (702) adjacent to it, and the top end of each of the connecting rods (704) is hinged to the bottom of the fine-tuning plate (4).

4. A switch cabinet zero-sequence transformer shock-absorbing bracket according to claim 1, characterized in that: Two first fixing holes (8) are provided on the upper surfaces of the two arc-shaped bottom plates (1).

5. A switch cabinet zero-sequence transformer shock-absorbing bracket according to claim 1, characterized in that: The bottom of each threaded sleeve (503) is fixedly connected to a turning handle (9).

6. A switch cabinet zero-sequence transformer shock-absorbing bracket according to claim 1, characterized in that: A connection hole (10) penetrating the zero-sequence transformer body (2) is provided on one side of the two U-shaped clips (6).

7. A switch cabinet zero-sequence transformer shock-absorbing bracket according to claim 6, characterized in that: A double-headed threaded rod (11) is inserted into the interior of the two connection holes (10), and nuts (12) are threadedly connected at both ends of the two double-headed threaded rods (11).

8. A switch cabinet zero-sequence transformer shock-absorbing bracket according to claim 5, characterized in that: The outer surfaces of the two turning handles (9) are both provided with a pattern drawing process.

Images