Substation protection panel cabinet

Abstract

This invention discloses a substation protection panel cabinet, including a panel and a protection pressure plate. A fixing component is spaced apart on one side of the protection pressure plate. The fixing component includes a clamping plate, a buckle, and a locking element. One end of the clamping plate abuts against the protection pressure plate. A first groove is provided on the first side of the clamping plate, and a slot is recessed in the groove wall. A detachable first magnet is provided on the second side of the clamping plate corresponding to the first groove. One end of the buckle is fixedly connected to the panel, and the other end passes through the groove of the first groove and engages with the slot. The locking element includes a locking rod, a first elastic element, and a second magnet. A mounting groove is recessed on the panel. One end of the locking rod is movably disposed in the mounting groove through the first elastic element, and the other end is connected to the second magnet. The locking rod is located on one side of the buckle. When the first magnet is placed in a position directly opposite the first groove, the two magnets attract each other, and the locking rod moves to a position that can clamp the buckle into the slot. The protection pressure plate of the substation protection panel cabinet of this invention is easy to assemble and disassemble.

Description

Technical Field

[0001] This invention relates to the field of electrical equipment manufacturing, and more particularly to a substation protection cabinet. Background Technology

[0002] Substation protection panels are equipped with a large number of protection pressure plates. These protection pressure plates are the "switches" that control the functions of the substation protection panels. They can control the activation and deactivation of specific functions of the substation protection panels and have two states: "activated" and "deactivated". All the protection pressure plates on the substation protection panels work together to realize the conversion between the four states of the substation protection panels: "operation", "maintenance", "deactivated" and "abnormal".

[0003] Substation protection cabinets typically have a rotating shaft and connecting studs on the panel corresponding to each protection plate. One end of the protection plate is rotatably connected to the rotating shaft, and the other end has a snap-fit ​​notch that engages with the connecting stud. A nut is then screwed onto the connecting stud to connect the protection plate. When the protection plate is disconnected, maintenance personnel need to unscrew the nut to separate the protection plate from the connecting stud. Existing technology has the following drawbacks: Connecting and disconnecting the protection plates requires screwing in nuts, and with a large number of protection plates, the workload of screwing in nuts is substantial. Furthermore, the nuts are threaded onto the connecting studs, and after a period of use, they are prone to loosening, leading to connection failure. Maintenance personnel need to periodically screw in the nuts for inspection, making the operation complex. Summary of the Invention

[0004] The purpose of this invention is to provide a substation protection cabinet whose protection pressure plate can be quickly connected and disassembled, and is easy to operate.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A substation protection cabinet is provided, including a panel and protection pressure plates. Multiple protection pressure plates are disposed on the panel. A rotating shaft and a limiting shaft are also disposed on the panel corresponding to each protection pressure plate. One end of each protection pressure plate is rotatably connected to the rotating shaft, and the other end is provided with a snap-fit ​​notch. The protection pressure plate is snapped into the limiting shaft through the snap-fit ​​notch. Fixing components are spaced apart on one side of each protection pressure plate. The fixing components are located on one side of the opening of the snap-fit ​​notch, and each fixing component includes:

[0007] A retaining plate, one end of which abuts against the protective pressure plate on a side away from the screen panel. The retaining plate has a first side close to the screen panel and a second side away from the first side. The first side is provided with a first groove, and the groove wall of the first groove is recessed to provide a slot. The second side is provided with a detachable first magnet at the position corresponding to the first groove.

[0008] The buckle has one end fixedly connected to the screen panel, and the other end passes through the slot of the first groove and engages with the slot.

[0009] The locking component includes a locking rod, a first elastic element, and a second magnet. A mounting groove is recessed in the screen panel. One end of the locking rod is movably disposed within the mounting groove via the first elastic element, while the other end extends out of the mounting groove and connects to the second magnet. The locking rod is located on one side of the buckle. The first elastic element always has the ability to pull the locking rod towards the mounting groove to separate the locking rod from the buckle. When the first magnet is placed directly opposite the first groove, the first magnet attracts the second magnet. Under magnetic attraction, the locking rod overcomes the elastic force of the first elastic element and moves towards the first groove to press the buckle against the groove.

[0010] As a preferred embodiment of the substation protection panel, there are two buckles, which are symmetrically arranged on both sides of the locking rod. The first groove provides a slot for each buckle.

[0011] As a preferred embodiment of a substation protection panel, the slot has a first groove wall adjacent to the panel, the first groove wall is inclined, and the vertical distance between the end of the first groove wall adjacent to the groove opening and the panel is H1, and the vertical distance between the end of the first groove wall adjacent to the groove bottom and the panel is H2, where H1 is greater than H2.

[0012] The buckle includes a cantilever and a fastening part. One end of the cantilever is connected to the screen panel, and the other end is connected to the fastening part. The fastening part is located on the side of the cantilever away from the locking rod. The fastening part is inserted into the slot. The side of the fastening part facing the first slot wall is a pressing surface. The pressing surface is an inclined surface and is parallel to and presses against the first slot wall.

[0013] The distance between the two cantilever arms connecting one end of the screen panel is L1, the distance between the two cantilever arms connecting one end of the fastening part is L2, and the cross-sectional dimension of the end of the locking rod abutting the buckle is L3, where L1 > L3 > L2.

[0014] As a preferred embodiment of a substation protection panel, a second elastic element is provided on the side of the abutment plate near the panel. The second elastic element abuts against the panel and always has a tendency to drive the abutment plate to move toward the side near the panel.

[0015] As a preferred embodiment of a substation protection panel, there are two second elastic elements, which are symmetrically arranged on both sides of the locking rod.

[0016] As a preferred embodiment of a substation protection panel, a second groove is recessed on the second side corresponding to the position of the first groove, and the first magnet is selectively inserted into the second groove.

[0017] As a preferred embodiment of the substation protection panel, a handle is provided on the side of the second magnet away from the bottom of the second groove.

[0018] As a preferred embodiment of the substation protection panel, the second magnet is connected to the abutment plate via a connecting rope.

[0019] As a preferred embodiment of a substation protection panel, the opening of the first groove is provided with a guide surface, which is an inclined slope or an outwardly convex arc surface, and the guide surface is used to guide the buckle into the first groove.

[0020] As a preferred embodiment of a substation protection panel, the length of the protection pressure plate extends along the arrangement direction of the rotating shaft and the limiting shaft, and the clamping plate abuts against the middle of the protection pressure plate.

[0021] The beneficial effects of this invention are as follows: By setting a first magnet and a second magnet, when the two are attracted to each other, the locking rod can move to a position that presses the buckle against the slot, so that the pressing plate can press the protective pressure plate and prevent it from loosening on the screen panel. During assembly, it is only necessary to first remove the first magnet, and the locking rod will retract towards the mounting groove under the action of the first elastic element. At this time, the locking rod separates from the buckle, and the buckle can be easily inserted into the first groove. Then, the first magnet is placed back in the position corresponding to the first groove. The first magnet attracts the second magnet. Under the action of this magnetic attraction, the locking rod overcomes the elastic force of the first elastic element and extends out of the mounting groove and presses against the second magnet. The buckle engages and snaps into the slot, keeping the abutment plate in position against the protective pressure plate, thus maintaining the protective pressure plate in the connected position. When it is necessary to remove the protective pressure plate, simply remove the first magnet. The locking rod loses its magnetic attraction and moves into the mounting groove under the elastic force of the first elastic element, separating from the buckle. At this point, the buckle loses the clamping force of the locking rod and moves out of the slot. The operator only needs to remove the abutment plate to disassemble the protective pressure plate. Assembly and disassembly operations are very simple, requiring no screws, so no special tools are needed. Moving the first magnet is also simple, improving the speed of installation and disassembly. Attached Figure Description

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0023] Figure 1This is a front view schematic diagram of a substation protection panel according to an embodiment of the present invention.

[0024] Figure 2 This is a partial side view of a substation protection panel according to an embodiment of the present invention.

[0025] Figure 3 This is a partial cross-sectional view of a substation protection panel according to an embodiment of the present invention (when the first magnet is located outside the second groove).

[0026] Figure 4 This is a partial cross-sectional view of a substation protection panel according to an embodiment of the present invention (when the first magnet is inserted into the second groove).

[0027] Figure 5 This is a partial cross-sectional view of a substation protection panel according to another embodiment of the present invention.

[0028] Figure 6 This is a schematic diagram of the protective pressure plate according to an embodiment of the present invention.

[0029] In the picture:

[0030] 1. Screen panel; 11. Mounting slot; 2. Protective pressure plate; 21. Snap-fit ​​notch; 3. Rotating shaft; 4. Limiting shaft; 5. Fixing component; 51. Abutting plate; 511. First side; 512. Second side; 513. First groove; 514. Slot; 5141. First groove wall; 5142. Second groove wall; 515. Second groove; 52. First magnet; 53. Buckle; 531. Cantilever; 532. Snap-fit ​​part; 54. Locking rod; 55. First elastic element; 56. Second magnet; 57. Second elastic element; 58. Handle; 59. Connecting rope; 6. Rotating column; 7. Limiting plate. Detailed Implementation

[0031] The advantages and features of the present invention, as well as methods of implementing them, will become apparent from the following detailed description of the embodiments in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms. These embodiments are provided merely to complete the disclosure of the invention and to enable those skilled in the art to fully understand the scope of the invention, which is defined only by the scope of the claims. The same reference numerals denote the same constituent elements throughout the specification.

[0032] The present invention will now be described in detail with reference to the accompanying drawings.

[0033] like Figures 1 to 4 , Figure 6As shown, the substation protection cabinet of this embodiment includes a panel 1, a protection pressure plate 2, and a fixing component 5. The panel 1 is provided with a plurality of protection pressure plates 2. The panel 1 is also provided with a rotating shaft 3 and a limiting shaft 4 corresponding to each protection pressure plate 2. One end of the protection pressure plate 2 is rotatably connected to the rotating shaft 3, and the other end is provided with a snap-fit ​​notch 21. The protection pressure plate 2 is snapped with the limiting shaft 4 through the snap-fit ​​notch 21. The fixing component 5 is spaced apart on one side of the protection pressure plate 2 and is located on one side of the opening of the snap-fit ​​notch 21.

[0034] The fixing component 5 includes a clamping plate 51, a buckle 53, and a locking member. One end of the clamping plate 51 abuts against the protective pressure plate 2 on the side away from the screen panel 1. The clamping plate 51 has a first side 511 close to the screen panel 1 and a second side 512 away from the first side 511. The first side 511 is provided with a first groove 513, and the groove wall of the first groove 513 is recessed to provide a slot 514. The second side 512 is provided with a detachable first magnet 52 corresponding to the position of the first groove 513. One end of the buckle 53 is fixedly connected to the screen panel 1, and the other end passes through the groove of the first groove 513 and engages with the slot 514. The locking member includes a locking rod 54, a first elastic member 55, and a second magnet 56. A mounting groove 11 is recessed on plate 1. One end of the locking rod 54 is movably disposed in the mounting groove 11 via the first elastic member 55, and the other end extends out of the mounting groove 11 and is connected to the second magnet 56. The locking rod 54 is located on one side of the buckle 53. The first elastic member 55 always has the ability to pull the locking rod 54 toward the mounting groove 11 so that the locking rod 54 is separated from the buckle 53. When the first magnet 52 is placed in a position directly opposite the first groove 513, the first magnet 52 and the second magnet 56 are attracted to each other. Under the magnetic attraction, the locking rod 54 overcomes the elastic force of the first elastic member 55 and moves toward the first groove 513 so as to press the buckle 53 against the slot 514.

[0035] In this embodiment, the substation protection panel cabinet is equipped with a first magnet 52 and a second magnet 56. When the two magnets are attracted to each other, the locking rod 54 can move to a position where the buckle 53 is pressed against the slot 514, so that the pressing plate 51 can press the protection pressure plate 2 to prevent it from loosening on the panel 1. During assembly, it is only necessary to first remove the first magnet 52. Under the action of the first elastic member 55, the locking rod 54 retracts towards the mounting groove 11. At this time, the locking rod 54 separates from the buckle 53, and the buckle 53 can be easily inserted into the first groove 513. Then, the first magnet 52 is placed back in the position corresponding to the first groove 513. The first magnet 52 attracts the second magnet 56. Under the action of this magnetic attraction, the locking rod 54 overcomes the elastic force of the first elastic member 55 and moves towards the mounting groove. The plate 11 extends outward and abuts against the buckle 53, causing the buckle 53 to engage in the slot 514, keeping the clamping plate 51 in the position of clamping the protective pressure plate 2, thereby keeping the protective pressure plate 2 in the connected position. When it is necessary to remove the protective pressure plate 2, simply remove the first magnet 52. The locking rod 54 loses its magnetic attraction and moves into the mounting groove 11 under the elastic force of the first elastic element 55, separating from the buckle 53. At this time, the buckle 53 loses the clamping force of the locking rod 54 and moves out of the slot 514. The operator only needs to remove the clamping plate 51 to remove the protective pressure plate 2. The assembly and disassembly operations are very simple and do not require screwing, so no special tools are needed. The movement of the first magnet 52 is also very simple, which improves the speed of installation and disassembly.

[0036] In this embodiment, as Figure 5 As shown, in order to reduce the storage of the abutment plate 51, a through hole can be opened on the abutment plate 51, and a rotating post 6 can be protruding on the screen panel 1. The rotating post 6 passes through the through hole, so that the abutment plate 51 can be rotatably mounted on the rotating post 6, and the abutment plate 51 can also move along the length direction of the rotating post 6, so that the abutment plate 51 can be locked or separated from the buckle 53.

[0037] Furthermore, a limiting plate 7 is provided at the end of the rotating column 6 away from the screen panel 1. This limiting plate 7 is used to restrict the clamping plate 51 to rotate and move only on the rotating column 6, and not to detach from the rotating column 6.

[0038] Preferably, the end of the rotating column 6 is provided with a thread, and the limiting plate 7 is provided with a threaded hole, and the limiting plate 7 is screwed onto the rotating column 6.

[0039] In one embodiment, there are two buckles 53, which are symmetrically arranged on both sides of the locking rod 54. The first groove 513 provides a slot 514 for each buckle 53. By providing two buckles 53, the engagement between the abutment plate 51 and the buckle 53 is more stable and less prone to deflection or loosening.

[0040] In this embodiment, the slot 514 has a first slot wall 5141 adjacent to the screen panel 1 and a second slot wall 5142 opposite to the first slot wall 5141. The first slot wall 5141 is inclined, and the vertical distance between the end of the first slot wall 5141 adjacent to the slot opening and the screen panel 1 is H1, and the vertical distance between the end of the first slot wall 5141 adjacent to the slot bottom and the screen panel 1 is H2, where H1 is greater than H2. The buckle 53 includes a cantilever 531 and a fastening part 532. One end of the cantilever 531 is connected to the screen panel 1, and the other end is connected to the fastening part 532. The fastening part 532 is located on the cantilever 531. The side away from the locking rod 54, that is, the fastening part 532 of the two buckles 53 is located on the side of the buckle 53 away from the locking rod 54. The fastening part 532 is inserted into the slot 514. The side of the fastening part 532 facing the first slot wall 5141 is the abutting surface. The abutting surface is an inclined surface and is parallel to and abuts against the first slot wall 5141. The distance between the two cantilever arms 531 and the end connected to the screen panel 1 is L1. The distance between the two cantilever arms 531 and the end connected to the fastening part 532 is L2. The cross-sectional dimension of the end of the locking rod 54 that abuts against the buckle 53 is L3. L1 > L3 > L2. The inclined first groove wall 5141 allows the fastening part 532 to engage more tightly, making it less likely for the buckle 53 to separate from the abutment plate 51, and the inclined abutment surface on the fastening part 532 can further enhance the abutment force; by setting the cantilever 531 as an inclined structure, the distance between the end of the two cantilever 531 connecting the screen panel 1 and the end connecting the fastening part 532 gradually decreases, so that the locking rod 54 can abut or separate from the buckle 53 when moving. Specifically, when the first magnet 52 is not directly aligned with the first groove 513, the first elastic member 55 will... When the locking rod 54 is pulled back into the mounting slot 11, since the cross-sectional dimension of the locking rod 54 is smaller than the distance between the two cantilever arms 531 and the end of the screen panel 1, the locking rod 54 will not abut against the buckle 53, and the buckle 53 will separate from the slot 514. When the first magnet 52 moves to face the first groove 513, due to the magnetic attraction, the locking rod 54 moves towards the first groove 513, and the distance between the two cantilever arms 531 becomes smaller and smaller. The locking rod 54 will gradually move to the position of abutting the buckle 53, so that the buckle 53 is engaged in the corresponding slot 514.

[0041] In this embodiment, the first elastic element 55 is a spring, which is sleeved on the outer periphery of the locking rod 54 and located in the mounting groove 11.

[0042] In other embodiments, a second elastic member 57 may be provided on the side of the abutment plate 51 near the screen panel 1. The second elastic member 57 abuts against the screen panel 1, and the second elastic member 57 always has a tendency to drive the abutment plate 51 to move toward the side near the screen panel 1. By providing the second elastic member 57, the abutment plate 51 can maintain a stable and non-loose state after the buckle 53 and the slot 514 are engaged, and it can also help the abutment plate 51 to further abut against the protective pressure plate 2.

[0043] In this embodiment, there are two second elastic elements 57, which are symmetrically arranged on both sides of the locking rod 54.

[0044] Preferably, the second elastic element 57 is a spring, one end of which is connected to the abutment plate 51, and the other end abuts against the screen panel 1.

[0045] Of course, it is not limited to setting a second elastic element 57. The distance between the first side 511 of the abutment plate 51 and the screen panel 1 can be set so that the buckle 53 can be locked in the slot 514. Alternatively, the abutment plate 51 can be set as an elastic plate. Even if the distance between the first side 511 of the abutment plate 51 and the screen panel 1 is slightly less than the distance that the buckle 53 can move to the slot 514, the buckle 53 can still be locked in the slot 514 by forcibly deforming the abutment plate 51.

[0046] In one embodiment, the second side 512 is recessed into a second groove 515 corresponding to the position of the first groove 513, and the first magnet 52 is selectively inserted into the second groove 515. By providing the second groove 515, the installation position of the first magnet 52 can be clearly indicated, ensuring that the first magnet 52 can be quickly and accurately aligned with the first groove 513. At the same time, the first magnet 52 is not easily moved relative to the abutment plate 51. When the protective pressure plate 2 needs to be kept in the connected position, the first magnet 52 can always be kept in a position where it can be magnetically attracted to the second magnet 56.

[0047] In this embodiment, a handle 58 is provided on the side of the second magnet 56 away from the bottom of the second groove 515. By providing the handle 58, the second magnet 56 is easier to operate, and the difficulty of operation is reduced.

[0048] In addition, the second magnet 56 is connected to the abutment plate 51 via a connecting rope 59. The connecting rope 59 effectively prevents the second magnet 56 from detaching from the fixing assembly 5, and further prevents the second magnet 56 from being lost.

[0049] In one embodiment, the opening of the first groove 513 is provided with a guide surface, which is an inclined surface. The guide surface is used to guide the buckle 53 into the first groove 513. By providing a guide surface, it is possible to effectively prevent the sharp corner of the buckle 53 from scratching the buckle 53 when it is inserted into the first groove 513, thereby extending the service life of the buckle 53.

[0050] In other embodiments, the guide surface is not limited to being set as an inclined slope, but can also be set as a convex arc surface.

[0051] In one embodiment, the protective pressure plate 2 extends along the arrangement direction of the rotating shaft 3 and the limiting shaft 4, and the abutting plate 51 abuts against the middle of the protective pressure plate 2. By abutting the abutting plate 51 against the middle of the protective pressure plate 2 along its length, the pressure applied by the abutting plate 51 is evenly distributed to the positions where the protective pressure plate 2 connects to the rotating shaft 3 and to the positions where it connects to the limiting shaft 4, resulting in better pressing effect and making the protective pressure plate 2 less prone to loosening.

[0052] Although embodiments of the invention have been described above with reference to the accompanying drawings, the invention is not limited to the above embodiments, but can be made in various forms, and those skilled in the art will understand that the invention can be implemented in other specific forms without changing the technical spirit or essential characteristics of the invention. Therefore, it should be understood that the above embodiments are exemplary in all respects and not restrictive.

Claims

1. A transformer substation protection panel cabinet, comprising a panel and a protection plate, a plurality of said protection plates are arranged on the panel, and a rotating shaft and a limiting shaft are arranged on the panel corresponding to each of the protection plates, one end of the protection plate is rotationally connected with the rotating shaft, and the other end is provided with a clamping notch, and the protection plate is clamped with the limiting shaft through the clamping notch, characterized in that, The protection pressing plate is provided with a fixed component at one side, which is located at one side of the opening of the clamping notch, and the fixed component comprises: a pressing plate, one end of which is pressed against the side of the protection pressing plate away from the screen panel, the pressing plate has a first side close to the screen panel and a second side away from the first side, the first side is provided with a first recess, the groove wall of the first recess is provided with a clamping groove, and the second side is provided with a detachable first magnet at a position corresponding to the first recess; a buckle, one end of which is fixedly connected with the screen panel, and the other end passes through the slot of the first recess and is clamped with the clamping groove; a locking member, which comprises a locking rod, a first elastic member and a second magnet, the screen panel is recessed to form a mounting groove, one end of the locking rod is movably arranged in the mounting groove through the first elastic member, the other end of the locking rod extends out of the mounting groove and is connected with the second magnet, the locking rod is located at one side of the buckle, the first elastic member always has a pulling force to move the locking rod towards the inside of the mounting groove, so that the locking rod is separated from the buckle, when the first magnet is placed at a position opposite to the first recess, the first magnet is attracted to the second magnet, and the locking rod moves towards the first recess under the magnetic attraction to tightly clamp the buckle in the clamping groove; the buckle has two buckles, and the two buckles are symmetrically arranged on both sides of the locking rod, and the first recess is provided with one clamping groove corresponding to each buckle; the clamping groove has a first groove wall adjacent to the screen panel, the first groove wall is inclined, and the vertical distance between one end of the first groove wall adjacent to the slot and the screen panel is H1, and the vertical distance between the other end of the first groove wall adjacent to the groove bottom and the screen panel is H2, H1 is greater than H2; the buckle comprises a cantilever and a buckling part, one end of the cantilever is connected with the screen panel, the other end of the cantilever is connected with the buckling part, the buckling part is located at one side of the cantilever away from the locking rod, the buckling part is inserted into the clamping groove, one side of the buckling part towards the first groove wall is a pressing surface, the pressing surface is an inclined surface, and the pressing surface is parallel to the first groove wall and tightly presses against the first groove wall; the distance between one end of the two cantilevers connected with the screen panel is L1, the distance between one end of the two buckling parts connected with the cantilevers is L2, and the cross-sectional dimension of one end of the locking rod abutting against the buckle is L3, L1>L3>L2.

2. The substation protection panel cabinet of claim 1, wherein, The second elastic member is arranged on one side of the pressing plate close to the screen panel, the second elastic member tightly presses against the screen panel, and the second elastic member always has a movement trend to drive the pressing plate to move towards the side close to the screen panel.

3. The substation protection panel cabinet of claim 2, wherein, The second elastic member has two second elastic members, and the two second elastic members are symmetrically arranged on both sides of the locking rod.

4. The substation protection panel cabinet according to any one of claims 1 to 3, characterized in that The second side is recessed to form a second recess at a position corresponding to the first recess, and the first magnet is selectively clamped into the second recess.

5. The substation protection panel cabinet of claim 4, wherein, The second magnet is provided with a handle at one side away from the groove bottom of the second recess.

6. The substation protection panel cabinet of claim 5, wherein, The second magnet is connected with the abutting plate through a connecting rope.

7. The substation protection panel cabinet according to any one of claims 1 to 3, characterized in that, The notch of the first recess is provided with a guide surface, which is an inclined slope or an outward convex arc surface, and the guide surface is used for guiding the buckle into the first recess.

8. The substation protection panel cabinet according to any one of claims 1 to 3, characterized in that, The length of the protection pressing plate extends along the arrangement direction of the rotating shaft and the limiting shaft, and the abutting plate abuts at the middle part of the protection pressing plate.

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