Shielding structure of magnetic control reactor excitation device

Abstract

The invention discloses a shielding structure of a magnetically controlled reactor excitation device, and relates to the technical field of electromagnetic shielding structures. The electric reactor comprises a box body and further comprises a partition plate fixedly connected between the inner side walls of the box body, a shielding cabinet is connected to the top of the partition plate and made of high-conductivity materials, an electric reactor body is connected to the inner bottom wall of the box body, and an excitation device is connected into the shielding cabinet. The shielding cabinet comprises a cabinet door box which can be movably inserted into an opening in the front end of the shielding cabinet. The excitation device can be wrapped by the shielding cabinet, so that electromagnetic force transmission between the excitation device on the top of the partition plate and the reactor body on the lower side of the partition plate is blocked, interference of electromagnetic force on the magnetically controlled reactor is avoided, and it is ensured that the magnetically controlled reactor can work stably; therefore, loss and noise during working of the magnetic control reactor excitation device are effectively reduced, and reliability and economical efficiency of the magnetic control reactor excitation device are greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electromagnetic shielding structures, and specifically to a shielding structure for an excitation device of a magnetically controlled reactor. Background Technique

[0002] ‌The excitation device of a magnetically controlled reactor‌ refers to an electrical device used to control and adjust the working state of a magnetically controlled reactor. Specifically, the excitation device of a magnetically controlled reactor includes components such as a forward steady-state excitation circuit, a forward over-excitation circuit, a reverse excitation circuit, an excitation transformer, and an excitation winding of the magnetically controlled reactor. These devices have the dual functions of rapid forward excitation and reverse forced demagnetization, and can shorten the response time of the magnetically controlled reactor from several hundred milliseconds to within 40 milliseconds, greatly improving the response speed and expanding the application range.

[0003] To protect the safety of the excitation device of a magnetically controlled reactor, it is generally installed in an excitation box for protection. However, the electromagnetic field generated in the excitation device will interfere with the normal operation of the reactor body, thereby increasing the loss and noise during the operation of the magnetically controlled reactor excitation device in it, reducing the reliability and economy of the magnetically controlled reactor excitation device. Therefore, a shielding structure needs to be added in the excitation box to block the flow of electromagnetic force between the excitation device and the reactor body. For this reason, we propose a shielding structure for an excitation device of a magnetically controlled reactor. Summary of the Invention

[0004] The purpose of the present invention is to provide a shielding structure for an excitation device of a magnetically controlled reactor to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A shielding structure for an excitation device of a magnetically controlled reactor, including: a box body; further including: a partition is fixedly connected between the inner side walls of the box body, a shielding cabinet is connected to the top of the partition, the shielding cabinet is made of a material with high electrical conductivity, a reactor body is connected to the inner bottom wall of the box body, an excitation device is connected in the shielding cabinet, the shielding cabinet includes a cabinet door that can be movably inserted into the front opening of the shielding cabinet, a first box door is connected to the front of the box body through a lock assembly, the first box door is directly in front of the cabinet door, and a second box door is hinged to the front of the box body, and the second box door is also connected to the box body through a lock assembly.

[0006] Preferably, a baffle is fixedly connected to the front surface of the cabinet door. The top surface and the left and right side surfaces of the baffle are respectively in contact with the inner top wall and the left and right inner side walls of the box body. The back surface of the baffle abuts against the front surface of the partition board. The front surface of the baffle is fixedly connected to the back surface of the first box door. The length and width of the first box door are both greater than the length and width of the baffle. The advantage of such a setting is that only by buckling the first box door onto the box body or detaching the first box door from the box body, the closing or opening of the cabinet door can be completed, which simplifies the switching operation of the shielding cabinet and makes the shielding structure more practical.

[0007] Preferably, the shielding cabinet further includes two side plates symmetrically distributed on the left and right sides. The side surfaces of the two side plates close to each other are respectively pressed against the left and right side surfaces of the shielding cabinet. A first pushing component is arranged in the box body, and the two side plates are connected to the first pushing component. The first pushing component pushes the two side plates to move towards each other. The shielding cabinet includes a bottom plate fixedly connected to the top of the partition board. The shielding cabinet further includes a top plate at the top and a back plate at the back. The side surfaces of the bottom plate and the top plate close to each other are respectively pressed against the side surfaces of the two side plates away from each other. The front surface of the back plate is pressed against the back surfaces of the two side plates, the top plate and the bottom plate. Two pairs of slots are symmetrically arranged on the side surfaces of the two side plates close to each other. Two pairs of slots are symmetrically arranged at the bottoms of the top plate and the bottom plate. The two side plates, the top plate and the bottom plate are tightly spliced together through the slots. The advantage of such a setting is that by driving the two side plates to move away from each other through the first pushing component, the two side plates can be made to be away from the excitation device, thus providing more space for the staff to install, disassemble and maintain the excitation device, effectively improving the practicability of the excitation box. At the same time, through the slots, the side plates, the top plate and the bottom plate can be spliced together more tightly, thereby improving the electromagnetic shielding effect of the shielding cabinet.

[0008] Preferably, the first pushing component includes a transmission mechanism and a driving mechanism connected in the box body. The two side plates are connected to the transmission mechanism. The driving mechanism drives the two side plates to move towards each other through the transmission mechanism.

[0009] Preferably, the transmission mechanism includes two groups of first elastic telescopic rods symmetrically and fixedly connected to the left and right inner side walls of the box body. Between the closer ends of the two groups of first elastic telescopic rods, two groups of connecting blocks are symmetrically and fixedly connected. On the closer sides of the two groups of connecting blocks, two pairs of connecting plates are symmetrically and fixedly connected. The farther sides of the two side plates are respectively connected to the two pairs of connecting plates. Between the closer sides of the two groups of connecting blocks, a roller is rotatably connected through a first rotating rod. The transmission mechanism further includes two vertical plates symmetrically and fixedly connected to the top of the box body. The transmission mechanism further includes two groups of second elastic telescopic rods symmetrically and fixedly connected to the bottoms of the two vertical plates and the top of the partition. At the closer ends of the two groups of second elastic telescopic rods, two pairs of driving plates are symmetrically and fixedly connected. The closer sides of the two pairs of driving plates are symmetrically distributed inclined planes. The inclined planes of the two pairs of driving plates respectively abut against the outer circumferential surfaces of the two pairs of rollers. The driving mechanism is used to drive the two pairs of driving plates on the upper and lower sides to move towards each other. The advantage of this setting is that by the driving mechanism pushing the two pairs of driving plates to move towards each other, thus under the telescopic action of the first elastic telescopic rods, the two pairs of rollers move away from each other along the two pairs of inclined planes. In this way, the two side plates can be stably driven to move away from each other through the two pairs of connecting plates.

[0010] Preferably, the driving mechanism includes two pairs of rotating shafts symmetrically and rotatably connected to the left and right inner side walls of the box body. On the closer ends of the two pairs of rotating shafts, two pairs of rotating arms are symmetrically and fixedly sleeved. One of the pairs of rotating arms on the left side or the pair of rotating arms on the right side are both distributed in a V-shaped pattern. Between the farther sides of the two pairs of rotating arms and the left and right inner side walls of the box body, two pairs of first torsion springs are symmetrically and fixedly connected. The two pairs of rotating arms abut against the back surface of the baffle. The advantage of this setting is that when the first box door is only buckled to the box body through the lock assembly, the baffle will push the two pairs of rotating arms to rotate. In this way, the tops of the two pairs of rotating arms can move the two pairs of driving plates away from each other to drive the two side plates to move away from each other. And only by buckling the first box door to the box body or removing the first box door from the box body can the mutual approach or mutual separation of the two side plates be completed. In this way, no additional operation by the staff is required to operate the movement of the two side plates, improving the convenience and practicality of the excitation box.

[0011] Preferably, two pairs of third elastic telescopic rods are symmetrically and fixedly connected to the top of the box body. The bottom ends of the two pairs of third elastic telescopic rods are fixedly connected to the top of the top plate. A pulling component is further arranged in the box body. The pulling component is connected to the top plate and is used to pull the top plate to move towards each other. The advantage of this setting is that the pulling component can cooperate with the third elastic telescopic rods to drive the top plate to move up and down. In this way, in cooperation with the mutual separation of the two side plates, a larger space can be provided for the staff to install, disassemble and maintain the excitation device, further improving the practicality and reliability of the excitation box.

[0012] Preferably, the pulling assembly includes two pairs of fixed pulleys symmetrically and fixedly connected to the inner top wall of the box body. The pulling assembly further includes two pairs of pulling ropes symmetrically and fixedly connected to the top of the top plate. The ends of the two pairs of pulling ropes away from the top plate respectively bypass the two pairs of fixed pulleys and are respectively fixedly connected to the tops of the two upper connecting plates. The advantage of this setting is that when the two upper connecting plates move in opposite directions, the two connecting plates can drive the top plate to move upward through the pulling ropes. In this way, when the two side plates move away from each other, they can synchronously drive the top plate to move upward. In this way, it is not necessary for the staff to drive the top plate to move up and down through additional operations, further improving the convenience and reliability of the excitation box.

[0013] Preferably, the two pairs of connecting plates are provided with a disassembling and connecting assembly, and the two side plates are detachably connected to the two pairs of connecting plates through the disassembling and connecting assembly.

[0014] Preferably, the disassembling and connecting assembly includes two pairs of T-shaped chutes symmetrically opened on the fronts of the two pairs of connecting plates. The inner walls of the two pairs of T-shaped chutes close to each other respectively penetrate through the sides of the two pairs of connecting plates close to each other. Two pairs of first elastic members are symmetrically and fixedly connected to the rear inner walls of the two pairs of T-shaped chutes. The disassembling and connecting assembly further includes two pairs of T-shaped sliding plates symmetrically and fixedly connected to the opposite sides of the two side plates. The backs of the two pairs of T-shaped sliding plates are respectively pressed tightly against the two pairs of first elastic members. The front ends of the two pairs of T-shaped chutes are symmetrically clamped with two pairs of stoppers through a clamping mechanism. The backs of the two pairs of stoppers are respectively pressed tightly against the fronts of the two pairs of T-shaped sliding plates. The advantage of this setting is that in this way, the side plates can be disassembled when necessary to provide more space for the disassembly, assembly and maintenance operations of the staff.

[0015] Compared with the prior art, the beneficial effects of the present invention are: Through the shielding cabinet, the present invention can wrap the excitation device, so that the electromagnetic force transmission between the excitation device on the top of the partition and the reactor body under the partition is blocked. In this way, electromagnetic force interference with the magnetically controlled reactor is avoided, ensuring that the magnetically controlled reactor can work smoothly, effectively reducing the loss and noise during the operation of the excitation device of the magnetically controlled reactor, improving the reliability and economy of the excitation device of the magnetically controlled reactor, and thus improving the reliability and practicality of the shielding structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present invention; Figure 2 is a schematic diagram of the first partial structure of the present invention; Figure 3 is a schematic diagram of the second partial structure of the present invention; Figure 4 is a schematic diagram of the third partial structure of the present invention; Figure 5Schematic diagram of the fourth part structure of the present invention; Figure 6 Schematic diagram of the structure of the disassembly and connection component in the present invention; Figure 7 Exploded structure diagram of the disassembly and connection component in the present invention; Figure 8 is Figure 5 Enlarged view at position A in

[0017] In the figure: 1, box body; 2, partition board; 3, shielding cabinet; 31, cabinet door; 32, bottom plate; 33, side plate; 34, top plate; 35, back plate; 36, slot; 4, baffle; 41, first box door; 42, second box door; 43, lock assembly; 5, excitation device; 6, first pushing assembly; 61, transmission mechanism; 611, first elastic telescopic rod; 612, connecting block; 613, connecting plate; 614, roller; 615, vertical plate; 616, second elastic telescopic rod; 617, driving plate; 62, driving mechanism; 621, rotating shaft; 622, rotating arm; 7, third elastic telescopic rod; 8, pulling assembly; 81, fixed pulley; 82, pulling rope; 9, disassembly and connection component; 91, first elastic member; 92, T-shaped sliding plate; 93, stop block; 94, clamping mechanism; 941, insertion hole; 942, concave cavity; 943, insertion rod; 944, dialing plate. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1 - 8 , a shielding structure of a magnetically controlled reactor excitation device in the figure, includes: a box body 1; further includes: a partition board 2 is fixedly connected between the inner side walls of the box body 1, a shielding cabinet 3 is connected to the top of the partition board 2, the shielding cabinet 3 is made of a material with high conductivity, a reactor body is connected to the inner bottom wall of the box body 1, an excitation device 5 is connected in the shielding cabinet 3, the shielding cabinet 3 includes a cabinet door 31 that can be movably inserted into the front opening of the shielding cabinet 3, a baffle 4 is fixedly connected to the front of the cabinet door 31, the top surface and the left and right side surfaces of the baffle 4 are respectively in contact with the inner top wall and the left and right inner side walls of the box body 1, the back surface of the baffle 4 abuts against the front surface of the partition board 2, a first box door 41 is fixedly connected to the front of the baffle 4, the length and width of the first box door 41 are both greater than the length and width of the baffle 4 and are connected to the box body 1 through a lock assembly 43, a second box door 42 is also hinged to the front of the box body 1, and the second box door 42 is also connected to the box body 1 through the lock assembly 43; The single-phase iron core of the reactor body forms a "square" shape, and most of the magnetic field is concentrated in the "square" loop composed of silicon steel sheets; The bottom plate 32 is welded to the top of the partition plate 2 to ensure the stability of the shielding cabinet 3 in the box body 1, thereby ensuring the electromagnetic shielding effect; The outer surfaces of the cabinet door 31, the bottom plate 32, the side plates 33, the top plate 34, and the back plate 35 are all coated with a conductive coating layer to further improve the electromagnetic shielding effect of the shielding cabinet 3; Two rectangular blocks are symmetrically and fixedly connected to the side faces of the cabinet door 31 and the back plate 35 close to each other, and both rectangular blocks are inserted into the shielding cabinet 3, so as to further improve the electromagnetic shielding characteristics of the shielding cabinet 3.

[0020] Reference Figures 2 - 5 , the shielding cabinet 3 further includes two side plates 33 symmetrically distributed on the left and right sides. The side faces of the two side plates 33 close to each other respectively abut against the left and right side faces of the shielding cabinet 3. A first pushing component 6 is arranged in the box body 1, and the two side plates 33 are connected to the first pushing component 6, and the first pushing component 6 pushes the two side plates 33 to move towards each other.

[0021] Specifically, the first pushing component 6 drives the two side plates 33 to move in a direction away from each other, so that the two side plates 33 are far away from the excitation device 5, thereby providing a larger space for the staff to install, disassemble and maintain the excitation device 5, effectively improving the practicability of the excitation box.

[0022] Reference Figures 2 - 5 , the shielding cabinet 3 includes a bottom plate 32 fixedly connected to the top of the partition plate 2. The shielding cabinet 3 further includes a top plate 34 at the top and a back plate 35 at the back. The side faces of the bottom plate 32 and the top plate 34 close to each other respectively abut against the side faces of the two side plates 33 away from each other. The front face of the back plate 35 abuts against the back faces of the two side plates 33, the top plate 34 and the bottom plate 32. Two pairs of slots 36 are symmetrically arranged on the side faces of the two side plates 33 close to each other. Two pairs of slots 36 are symmetrically arranged at the bottoms of the top plate 34 and the bottom plate 32. The two side plates 33, the top plate 34 and the bottom plate 32 are tightly spliced together through the slots 36, so as to improve the electromagnetic shielding effect at the joint between the side plates 33, the top plate 34 and the bottom plate 32.

[0023] Specifically, through the slots 36, the side plates 33, the top plate 34 and the bottom plate 32 can be spliced together more tightly, thereby improving the electromagnetic shielding effect of the shielding cabinet 3.

[0024] Reference Figures 2 - 5 , the first pushing component 6 includes a transmission mechanism 61 and a driving mechanism 62 connected in the box body 1. The two side plates 33 are connected to the transmission mechanism 61, and the driving mechanism 62 drives the two side plates 33 to move towards each other through the transmission mechanism 61.

[0025] Reference Figure 3 、 Figure 4 、 Figure 5 and Figure 8 ,The transmission mechanism 61 includes two groups of first elastic telescopic rods 611 symmetrically and fixedly connected to the left and right inner side walls of the box body 1. Between the closer ends of the two groups of first elastic telescopic rods 611, two groups of connecting blocks 612 are symmetrically and fixedly connected. On the closer sides of the two groups of connecting blocks 612, two pairs of connecting plates 613 are symmetrically and fixedly connected. The farther sides of the two side plates 33 are respectively connected to the two pairs of connecting plates 613. A roller 614 is rotatably connected between the closer sides of the two groups of connecting blocks 612 through a first rotating rod. The transmission mechanism 61 further includes two vertical plates 615 symmetrically and fixedly connected to the top of the box body 1. The transmission mechanism 61 further includes two groups of second elastic telescopic rods 616 symmetrically and fixedly connected to the bottoms of the two vertical plates 615 and the top of the partition plate 2. At the closer ends of the two groups of second elastic telescopic rods 616, two pairs of driving plates 617 are symmetrically and fixedly connected. The closer sides of the two pairs of driving plates 617 are symmetrically distributed inclined surfaces. The inclined surfaces of the two pairs of driving plates 617 respectively abut against the outer peripheral surfaces of the two pairs of rollers 614. The driving mechanism 62 is used to drive the two pairs of driving plates 617 to move towards each other.

[0026] Specifically, the two pairs of driving plates 617 are pushed by the driving mechanism 62 to move towards each other. In this way, under the telescopic action of the first elastic telescopic rods 611, the two pairs of rollers 614 move away from each other along the two pairs of inclined surfaces. In this way, the two side plates 33 can be stably driven to move away from each other through the two pairs of connecting plates 613.

[0027] Reference Figures 2 - 4 ,The driving mechanism 62 includes two pairs of rotating shafts 621 symmetrically and rotatably connected to the left and right inner side walls of the box body 1. On the closer ends of the two pairs of rotating shafts 621, two pairs of rotating arms 622 are symmetrically and fixedly sleeved. One pair of rotating arms 622 on the left or one pair of rotating arms 622 on the right are both distributed in a V shape. Between the farther sides of the two pairs of rotating arms 622 and the left and right inner side walls of the box body 1, two pairs of first torsion springs are symmetrically and fixedly connected. The two pairs of rotating arms 622 abut against the back surface of the baffle 4.

[0028] Specifically, when the first box door 41 is only buckled on the box body 1 through the buckle assembly 43, the baffle 4 will push the two pairs of rotating arms 622 to rotate. In this way, the tops of the two pairs of rotating arms 622 can move the two pairs of driving plates 617 away from each other to drive the two pairs of side plates 33 to move away from each other. And only by buckling the first box door 41 on the box body 1 or removing the first box door 41 from the box body 1 can the mutual approach or mutual separation of the two side plates 33 be completed. In this way, there is no need for additional operations by the staff to operate the movement of the two side plates 33, improving the convenience and practicability of the excitation box.

[0029] Reference Figures 2 - 4 On the top of the box body 1, two pairs of third elastic telescopic rods 7 are symmetrically and fixedly connected. The bottom ends of the two pairs of third elastic telescopic rods 7 are fixedly connected to the top of the top plate 34. A pulling component 8 is further provided in the box body 1. The pulling component 8 is connected to the top plate 34 and is used to pull the top plate 34 to move towards each other.

[0030] Specifically, the pulling component 8 can cooperate with the third elastic telescopic rod 7 to drive the top plate 34 to move up and down. In this way, when the two side plates 33 move away from each other, a larger space can be provided for the staff to install, disassemble and maintain the excitation device 5, further improving the practicability and reliability of the excitation box.

[0031] Reference Figures 2 - 4 The pulling component 8 includes two pairs of fixed pulleys 81 symmetrically and fixedly connected to the inner top wall of the box body 1. The pulling component 8 further includes two pairs of pulling ropes 82 symmetrically and fixedly connected to the top of the top plate 34. The ends of the two pairs of pulling ropes 82 away from the top plate 34 respectively bypass the two pairs of fixed pulleys 81 and are respectively fixedly connected to the tops of the two upper connecting plates 613.

[0032] Specifically, when the two upper connecting plates 613 move in the direction away from each other, the two connecting plates 613 can drive the top plate 34 to move upward through the pulling ropes 82. In this way, when the two side plates 33 move away from each other, they can synchronously drive the top plate 34 to move upward, so that the staff does not need to drive the top plate 34 to move up and down through additional operations, further improving the convenience and reliability of the excitation box.

[0033] Reference Figure 6 and Figure 7 Two pairs of connecting plates 613 are provided with a disassembling and connecting component 9. The two side plates 33 are detachably connected to the two pairs of connecting plates 613 through the disassembling and connecting component 9.

[0034] Reference Figure 6 and Figure 7 The disassembling and connecting component 9 includes two pairs of T-shaped sliding grooves symmetrically opened on the fronts of the two pairs of connecting plates 613. The inner walls of the two pairs of T-shaped sliding grooves close to each other respectively penetrate the sides of the two pairs of connecting plates 613 close to each other. Two pairs of first elastic members 91 are symmetrically and fixedly connected to the rear inner walls of the two pairs of T-shaped sliding grooves. The disassembling and connecting component 9 further includes two pairs of T-shaped sliding plates 92 symmetrically and fixedly connected to the sides of the two side plates 33 away from each other. The backs of the two pairs of T-shaped sliding plates 92 are respectively in tight contact with the two pairs of first elastic members 91. The front ends of the two pairs of T-shaped sliding grooves are symmetrically clamped with two pairs of stoppers 93 through a clamping mechanism 94. The backs of the two pairs of stoppers 93 are respectively in tight contact with the fronts of the two pairs of T-shaped sliding plates 92.

[0035] Specifically, it is only necessary to release the clamping of the stopper 93 in the T-shaped chute through the clamping mechanism 94 and remove the stopper 93, then the T-shaped slide plate 92 can be removed from the T-shaped chute, thus conveniently completing the disassembly of the side plate 33. In this way, the side plate 33 can be disassembled when necessary to provide more space for the disassembly, assembly and maintenance operations of the staff; The clamping mechanism 94 includes two pairs of jacks 941 symmetrically opened on the top and bottom inner walls of the two T-shaped chutes. The clamping mechanism 94 further includes two concave cavities 942 symmetrically opened on the front surfaces of the two stoppers 93. Two pairs of inserting rods 943 are symmetrically and movably inserted into the top and bottom inner walls of the two concave cavities 942. The far ends of the two pairs of inserting rods 943 respectively penetrate the top and bottom walls of the two stoppers 93 and are respectively inserted into the two pairs of jacks 941. Two pairs of dial plates 944 are symmetrically and fixedly connected to the near ends of the two pairs of inserting rods 943. Two pairs of second elastic members are symmetrically and fixedly connected between the far sides of the two pairs of dial plates 944 and the bottom and top inner walls of the two T-shaped chutes. It enables the staff to only pinch each pair of the two dial plates 944 towards the approaching direction to draw out the inserting rods 943 from the jacks 941 to release the connection between the stopper 93 and the T-shaped chute, improving the convenience of clamping and removing the stopper 93.

[0036] Working principle: When in use, when the excitation device 5 needs to be repaired, the first box door 41 and the baffle 4 are detached from the box body 1 through the locking component 43.

[0037] At this time, without the limit of the baffle 4, the two pairs of swing arms 622 will rotate under the elastic force of the first torsion spring. In this way, the two pairs of driving plates 617 move towards the approaching direction. In this way, under the telescopic action of the first elastic telescopic rod 611, the two pairs of rollers 614 move along the two pairs of inclined surfaces towards the far direction. In this way, the two side plates 33 can be stably driven to move towards the far direction through the two pairs of connecting plates 613, so as to create a relatively large space for the repair of the excitation device 5.

[0038] Moreover, when the two side plates 33 move towards the far direction, they can synchronously drive the two pairs of connecting plates 613 to move towards the far direction. In this way, the two upper connecting plates 613 can drive the top plate 34 to move upward through the pull rope 82. In this way, when the two side plates 33 move away from each other, they can synchronously drive the top plate 34 to move upward, thus creating a larger space for the repair of the excitation device 5.

[0039] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0040] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shielding structure for an excitation device of a magnetically controlled reactor, comprising: Cabinet (1); characterized in that it further comprises: a partition (2) fixedly connected between the inner side walls of the cabinet (1), a shielding cabinet (3) connected to the top of the partition (2), the shielding cabinet (3) being made of a material with high conductivity, a reactor body connected to the inner bottom wall of the cabinet (1), an excitation device (5) connected inside the shielding cabinet (3), the shielding cabinet (3) including a cabinet door (31) that can be movably inserted into the front opening of the shielding cabinet (3), the front of the cabinet (1) being connected with a first cabinet door (41) through a locking component (43), the first cabinet door (41) being located directly in front of the cabinet door (31), the front of the cabinet (1) being hinged with a second cabinet door (42), and the second cabinet door (42) also being connected to the cabinet (1) through the locking component (43).

2. The shielding structure of a magnetically controlled reactor excitation device according to claim 1, characterized in that: A baffle (4) is fixedly connected to the front of the cabinet door (31), the top surface and the left and right side surfaces of the baffle (4) are respectively in contact with the inner top wall and the left and right inner side walls of the cabinet (1), the back surface of the baffle (4) is in contact with the front surface of the partition (2), the front of the baffle (4) is fixedly connected to the back surface of the first cabinet door (41), and the length and width of the first cabinet door (41) are both greater than the length and width of the baffle (4).

3. The shielding structure of a magnetically controlled reactor excitation device according to claim 2, characterized in that: The shielding cabinet (3) further comprises two side plates (33) symmetrically distributed on the left and right sides, the side surfaces of the two side plates (33) close to each other are respectively tightly abutted against the left and right side surfaces of the shielding cabinet (3), a first pushing component (6) is arranged inside the cabinet (1), the two side plates (33) are connected to the first pushing component (6), and the first pushing component (6) pushes the two side plates (33) to move towards each other. The shielding cabinet (3) includes a bottom plate (32) fixedly connected to the top of the partition (2), the shielding cabinet (3) further includes a top plate (34) at the top and a back plate (35) at the back, the side surfaces of the bottom plate (32) and the top plate (34) close to each other are respectively tightly abutted against the side surfaces of the two side plates (33) away from each other, the front surface of the back plate (35) is tightly abutted against the back surfaces of the two side plates (33), the top plate (34) and the bottom plate (32), and two pairs of slots (36) are symmetrically arranged on the side surfaces of the two side plates (33) close to each other, two pairs of slots (36) are symmetrically arranged at the bottoms of the top plate (34) and the bottom plate (32), and the two side plates (33), the top plate (34) and the bottom plate (32) are tightly spliced together through the slots (36).

4. The shielding structure of a magnetically controlled reactor excitation device according to claim 3, characterized in that: The first pushing component (6) includes a transmission mechanism (61) and a driving mechanism (62) connected inside the cabinet (1), the two side plates (33) are connected to the transmission mechanism (61), and the driving mechanism (62) drives the two side plates (33) to move towards each other through the transmission mechanism (61).

5. The shielding structure of a magnetically controlled reactor excitation device according to claim 4, characterized in that: The transmission mechanism (61) includes two groups of first elastic telescopic rods (611) symmetrically and fixedly connected to the left and right inner side walls of the box body (1). Between the closer ends of the two groups of first elastic telescopic rods (611), two groups of connecting blocks (612) are symmetrically and fixedly connected. On the closer sides of the two groups of connecting blocks (612), two pairs of connecting plates (613) are symmetrically and fixedly connected. The farther sides of the two side plates (33) are respectively connected to the two pairs of connecting plates (613). Between the closer sides of the two groups of connecting blocks (612), a roller (614) is rotatably connected by a first rotating rod. The transmission mechanism (61) further includes two vertical plates (615) symmetrically and fixedly connected to the top of the box body (1). The transmission mechanism (61) further includes two groups of second elastic telescopic rods (616) symmetrically and fixedly connected to the bottoms of the two vertical plates (615) and the top of the partition plate (2). At the closer ends of the two groups of second elastic telescopic rods (616), two pairs of driving plates (617) are symmetrically and fixedly connected. The closer sides of the two pairs of driving plates (617) are symmetrically distributed inclined surfaces. The inclined surfaces of the two pairs of driving plates (617) are respectively tightly abutted against the outer circumferential surfaces of the two pairs of rollers (614). The driving mechanism (62) is used to drive the upper and lower pairs of driving plates (617) to move towards each other.

6. The shielding structure of a magnetically controlled reactor excitation device according to claim 5, characterized in that: The driving mechanism (62) includes two pairs of rotating shafts (621) symmetrically and rotatably connected to the left and right inner side walls of the box body (1). At the closer ends of the two pairs of rotating shafts (621), two pairs of rotating arms (622) are symmetrically and fixedly sleeved. One pair of rotating arms (622) on the left side or one pair of rotating arms (622) on the right side are both distributed in a V-shaped pattern. Between the farther sides of the two pairs of rotating arms (622) and the left and right inner side walls of the box body (1), two pairs of first torsion springs are symmetrically and fixedly connected. The two pairs of rotating arms (622) are tightly abutted against the back surface of the baffle (4).

7. The shielding structure of a magnetically controlled reactor excitation device according to claim 6, characterized in that: On the top of the box body (1), two pairs of third elastic telescopic rods (7) are symmetrically and fixedly connected. The bottom ends of the two pairs of third elastic telescopic rods (7) are fixedly connected to the top of the top plate (34). A pulling component (8) is further arranged in the box body (1). The pulling component (8) is connected to the top plate (34) and is used to pull the top plate (34) to move towards each other.

8. The shielding structure of a magnetically controlled reactor excitation device according to claim 7, characterized in that: The pulling component (8) includes two pairs of fixed pulleys (81) symmetrically and fixedly connected to the inner top wall of the box body (1). The pulling component (8) further includes two pairs of pulling ropes (82) symmetrically and fixedly connected to the top of the top plate (34). The ends of the two pairs of pulling ropes (82) far from the top plate (34) respectively bypass the two pairs of fixed pulleys (81) and are respectively fixedly connected to the tops of the upper two connecting plates (613).

9. The shielding structure of a magnetically controlled reactor excitation device according to claim 8, characterized in that: On the two pairs of connecting plates (613), a disassembling and connecting component (9) is arranged. The two side plates (33) are detachably connected to the two pairs of connecting plates (613) through the disassembling and connecting component (9).

10. The shielding structure of a magnetically controlled reactor excitation device according to claim 9, characterized in that: The disassembly and connection assembly (9) includes two pairs of T-shaped chutes symmetrically formed on the front surfaces of the two pairs of connecting plates (613). The inner walls of the two pairs of T-shaped chutes close to each other penetrate through the side surfaces of the two pairs of connecting plates (613) close to each other respectively. Two pairs of first elastic members (91) are symmetrically and fixedly connected to the inner walls at the rear sides of the two pairs of T-shaped chutes. The disassembly and connection assembly (9) further includes two pairs of T-shaped sliding plates (92) symmetrically and fixedly connected to the side surfaces of the two side plates (33) away from each other. The backs of the two pairs of T-shaped sliding plates (92) are respectively in tight contact with the two pairs of first elastic members (91). Two pairs of stoppers (93) are symmetrically clamped by a clamping mechanism (94) at the front ends of the two pairs of T-shaped chutes. The backs of the two pairs of stoppers (93) are respectively in tight contact with the fronts of the two pairs of T-shaped sliding plates (92).

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