High-voltage switch with low contact bounce

Abstract

The utility model provides a high-voltage switch with low contact bounce, which relates to the technical field of power distribution equipment, and comprises a lower support plate and an access mechanism, one side of the lower support plate is provided with a lower hole, the access mechanism is arranged above the lower support plate, the access mechanism comprises an opening and closing assembly, a side support plate, a bounce contact assembly and a connecting assembly, an opening and closing assembly is arranged on the inner side of the lower supporting plate, a side supporting plate is arranged on one side of the top end of the opening and closing assembly, and a jumping contact assembly is arranged on one side of the side supporting plate. Through the arrangement of the jumping contact assembly, the mechanism can control the up-down movement of the lower gate plate through the rotation of the upper rotating shaft, then the opening and closing of a circuit are realized, and when the emergency power-off is needed and the opening and closing assembly is damaged, the circuit can be disconnected through the jumping contact assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution equipment, in particular to a high-voltage switch with low contact bounce. Background Art

[0002] The high-voltage switch with low contact bounce is suitable for circuit systems that require high electrical performance and reliability. Its low contact bounce characteristics can ensure less vibration during the opening and closing process, and its high precision is suitable for high-voltage circuits.

[0003] After searching, the patent number "CN117095978A" mentioned "an electromagnetic high-voltage switch opening and closing operating mechanism, including an electromagnetic opening and closing assembly consisting of an electromagnetic pull rod group whose telescopic movement is controlled by two electric circuits, a rocker and two travel switches; the middle part of the rocker is fixed on the transmission shaft that controls the opening and closing movement, and its left and right arms are respectively connected to the front end pins of the pull rods of the two electromagnetic pull rod groups; the two travel switches are used to limit the opening and closing movement strokes of the left and right arms of the rocker; and also includes a manual opening and closing operation assembly fixed on the rotating shaft, and Self-locking component, full-locking component, or locking component. The self-locking component prevents the position change of the opening and closing switch caused by external force. The full-locking component limits the electromagnetic opening and closing switch and the manual opening and closing switch at the same time during maintenance and other work, or the locking component limits the electromagnetic opening and closing switch and the manual opening and closing switch to only one action. This invention can not only effectively improve the opening and closing speed of the high-voltage switch, but also has complete functions, reliable performance, simple structure, and simple operation. The equipment has a slow opening speed and only one opening method. It is difficult to open the switch in case of damage or other emergency situations.

[0004] Therefore, we provide a high-voltage switch with low contact bounce to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a high-voltage switch with low contact bounce, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a high-voltage switch with low contact bounce, comprising a lower support plate and a passage mechanism, a lower hole is opened on one side of the lower support plate, and a passage mechanism is arranged above the lower support plate;

[0007] The passage mechanism includes an opening and closing component, a side support plate, a jumping contact component and a connecting component. The opening and closing component is arranged on the inner side of the lower support plate, the side support plate is arranged on one side of the top of the opening and closing component, the jumping contact component is arranged on one side of the side support plate, and the connecting component is arranged below the jumping contact component.

[0008] Preferably, the opening and closing assembly includes a lower support plate, a gate knife, a triangular plate, an arc connecting rod, a rotating rod and a lower rotating shaft, the lower support plate is fixedly connected to the lower support plate, a gate knife is arranged above the lower support plate, a triangular plate is arranged on the inner side of the gate knife, one end of the triangular plate is rotatably connected to the arc connecting rod, the other end of the arc connecting rod is rotatably connected to the rotating rod, and the inner side of the rotating rod is fixedly connected to the lower rotating shaft.

[0009] Preferably, the lower support plate includes a base plate, a positioning column and a fulcrum plate, the base plate is arranged inside the lower support plate, the top end of the base plate is fixedly connected with the positioning column, and the fulcrum plate is arranged outside the positioning column.

[0010] Preferably, the lower rotating shaft is rotatably connected to the lower hole, and the gate knife is rotatably connected to the top end of the fulcrum plate.

[0011] Preferably, the jumping contact assembly includes an upper rotating shaft, a cam plate, a pulley, a spring and a limit plate, the inner side of the side support plate is rotatably connected to the upper rotating shaft, the outer side of the upper rotating shaft is fixedly connected to the cam plate, a pulley is arranged inside the cam plate, a spring is arranged at the bottom end of the pulley, and the bottom end of the spring is fixedly connected to the limit plate.

[0012] Preferably, the connecting assembly includes an inner tube, a sleeve, an outer connecting plate, a lower gate plate and a lower connecting plate, the bottom end of the limit plate is fixedly connected to the inner tube, the outer side of the inner tube is provided with a sleeve, the outer side of the sleeve is fixedly connected to the outer connecting plate, the bottom end of the inner tube is provided with a lower gate plate, and the bottom end of the lower gate plate is provided with a lower connecting plate.

[0013] Preferably, a protective shell is provided on the outer side of the passage mechanism, the protective shell includes an outer plate and a limiting groove, outer plates are provided on both sides of the connecting component, and limiting grooves are provided on the surface of the outer plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] Through the setting of the passage mechanism, when in use, through the setting of the opening and closing component, the mechanism can control the opening and closing of the knife and the lower gate plate by the rotation of the lower shaft, and through the setting of the jumping contact component, the mechanism can control the up and down movement of the lower gate plate by the rotation of the upper shaft, thereby realizing the opening and closing of the circuit. When an emergency power outage occurs and the opening and closing component is damaged, the circuit can be disconnected by the jumping contact component.

[0016] By setting the protective shell and the outer panel during use, the opening and closing components and the connecting components can avoid direct contact with the outside world, reducing the possibility of accidental touch by the staff. The position of the connecting component can be coordinated with the limiting plate through the limiting groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a side view schematic diagram of the overall structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the opening and closing component structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the jumping contact assembly of the utility model.

[0021] Numbers in the figure: 1. lower support plate; 11. lower hole; 2. passage mechanism; 21. opening and closing assembly; 211. lower support plate; 2111. bottom plate; 2112. positioning column; 2113. fulcrum plate; 212. gate knife; 213. triangular plate; 214. arc connecting rod; 215. rotating rod; 216. lower rotating shaft; 22. side support plate; 23. jumping contact assembly; 231. upper rotating shaft; 232. cam plate; 233. pulley; 234. spring; 235. limit plate; 24. connecting assembly; 241. inner tube; 242. sleeve; 243. outer connecting plate; 244. lower gate plate; 245. lower connecting plate; 3. protective shell; 31. outer plate; 32. limit groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0023] See also Figure 1-4 As shown, the utility model provides a technical solution: a high-voltage switch with low contact bounce, comprising a lower support plate 1 and a passage mechanism 2, a lower hole 11 is opened on one side of the lower support plate 1, and a passage mechanism 2 is arranged above the lower support plate 1;

[0024] The passage mechanism 2 includes an opening and closing component 21, a side support plate 22, a jumping contact component 23 and a connecting component 24. The opening and closing component 21 is arranged on the inner side of the lower support plate 1, the side support plate 22 is arranged on the top side of the opening and closing component 21, the jumping contact component 23 is arranged on one side of the side support plate 22, and the connecting component 24 is arranged below the jumping contact component 23.

[0025] Furthermore, the opening and closing assembly 21 includes a lower support plate 211, a knife gate 212, a triangular plate 213, an arc connecting rod 214, a rotating rod 215 and a lower rotating shaft 216. The lower support plate 1 is fixedly connected to the lower support plate 211, a knife gate 212 is arranged above the lower support plate 211, a triangular plate 213 is arranged on the inner side of the knife gate 212, one end of the triangular plate 213 is rotatably connected to the arc connecting rod 214, the other end of the arc connecting rod 214 is rotatably connected to the rotating rod 215, and the inner side of the rotating rod 215 is fixedly connected to the lower rotating shaft 216. Through the arrangement of the opening and closing assembly 21, the mechanism can control the opening and closing state of the circuit.

[0026] Furthermore, the lower support plate 211 includes a bottom plate 2111, a positioning column 2112 and a fulcrum plate 2113. The bottom plate 2111 is arranged inside the lower support plate 1, the top of the bottom plate 2111 is fixedly connected with the positioning column 2112, and the fulcrum plate 2113 is arranged on the outer side of the positioning column 2112. Through the setting of the lower support plate 211, the gate knife 212 obtains a stable working platform.

[0027] Furthermore, the lower rotating shaft 216 and the lower hole 11 are rotationally connected, and the gate knife 212 and the top of the fulcrum plate 2113 are rotationally connected. By setting the gate knife 212 and the fulcrum plate 2113 as the rotationally connected, the gate knife 212 can rotate around the fulcrum plate 2113.

[0028] Furthermore, the jumping contact assembly 23 includes an upper rotating shaft 231, a cam plate 232, a pulley 233, a spring 234 and a limit plate 235. The inner side of the side support plate 22 is rotatably connected to the upper rotating shaft 231, the outer side of the upper rotating shaft 231 is fixedly connected to the cam plate 232, a pulley 233 is arranged inside the cam plate 232, a spring 234 is arranged at the bottom end of the pulley 233, and the bottom end of the spring 234 is fixedly connected to the limit plate 235. Through the setting of the jumping contact assembly 23, the mechanism can control the opening and closing of the circuit independently of the opening and closing assembly 21.

[0029] Furthermore, the connecting component 24 includes an inner tube 241, a sleeve 242, an outer connecting plate 243, a lower gate plate 244 and a lower connecting plate 245. The bottom end of the limiting plate 235 is fixedly connected to the inner tube 241, the outer side of the inner tube 241 is provided with a sleeve 242, the outer side of the sleeve 242 is fixedly connected to the outer side of the sleeve 243, the bottom end of the inner tube 241 is provided with a lower gate plate 244, and the bottom end of the lower gate plate 244 is provided with a lower connecting plate 245. Through the setting of the connecting component 24, the jumping contact component 23 can control the circuit through the mechanism. Example

[0030] See also Figure 1 and Figure 3As shown, in contrast to Example 1, as another implementation of the utility model, a protective shell 3 is provided on the outer side of the passage mechanism 2, and the protective shell 3 includes an outer plate 31 and a limiting groove 32. The outer plates 31 are provided on both sides of the connecting component 24, and the surface of the outer plate 31 is provided with a limiting groove 32. Through the provision of the protective shell 3, the passage mechanism 2 is protected and external interference is avoided.

[0031] Working principle, first, move a high-voltage switch with low contact bounce to the working position, the first step, connect the passage mechanism 2 and the limit plate 235 to the external circuit, the second step, the lower shaft 216 rotates to drive the knife 212 to combine with the lower gate plate 244 to form a passage, the third step, when an emergency occurs and the passage needs to be disconnected, the lower shaft 216 rotates in the opposite direction to drive the knife 212 to separate from the lower gate plate 244, the fourth step, if the opening and closing component 21 is damaged and cannot be disconnected, the upper shaft 231 rotates through the cam plate 232 to drive the inner tube 241 to move upward, the fifth step, the inner tube 241 drives the lower gate plate 244 to move upward to complete the circuit breaking, thus completing the use process of a high-voltage switch with low contact bounce.

Claims

1. A high-voltage switch with low contact bounce, comprising a lower support plate (1) and a passage mechanism (2), characterized in that: A lower hole (11) is provided on one side of the lower support plate (1), and a passage mechanism (2) is provided above the lower support plate (1); The passage mechanism (2) comprises an opening and closing assembly (21), a side support plate (22), a bouncing contact assembly (23) and a connecting assembly (24); the opening and closing assembly (21) is arranged on the inner side of the lower support plate (1); a side support plate (22) is arranged on one side of the top end of the opening and closing assembly (21); a bouncing contact assembly (23) is arranged on one side of the side support plate (22); and a connecting assembly (24) is arranged below the bouncing contact assembly (23).

2. A high voltage switch with low contact bounce according to claim 1, characterized in that: The opening and closing assembly (21) comprises a lower support plate (211), a gate knife (212), a triangular plate (213), an arc connecting rod (214), a rotating rod (215) and a lower rotating shaft (216); the lower support plate (1) is fixedly connected to the lower support plate (211); a gate knife (212) is arranged above the lower support plate (211); a triangular plate (213) is arranged on the inner side of the gate knife (212); one end of the triangular plate (213) is rotatably connected to the arc connecting rod (214); the other end of the arc connecting rod (214) is rotatably connected to the rotating rod (215); and the inner side of the rotating rod (215) is fixedly connected to the lower rotating shaft (216).

3. A high voltage switch with low contact bounce according to claim 2, characterized in that: The lower support plate (211) comprises a bottom plate (2111), a positioning column (2112) and a fulcrum plate (2113); the bottom plate (2111) is arranged inside the lower support plate (1); the top end of the bottom plate (2111) is fixedly connected to the positioning column (2112); and the fulcrum plate (2113) is arranged outside the positioning column (2112).

4. A high voltage switch with low contact bounce according to claim 2, characterized in that: The lower rotating shaft (216) and the lower hole (11) are rotatably connected, and the gate knife (212) and the top end of the fulcrum plate (2113) are rotatably connected.

5. A high voltage switch with low contact bounce according to claim 1, characterized in that: The jumping contact assembly (23) comprises an upper rotating shaft (231), a cam plate (232), a pulley (233), a spring (234) and a limit plate (235); the inner side of the side support plate (22) is rotatably connected to the upper rotating shaft (231); the outer side of the upper rotating shaft (231) is fixedly connected to the cam plate (232); a pulley (233) is arranged inside the cam plate (232); a spring (234) is arranged at the bottom end of the pulley (233); and the bottom end of the spring (234) is fixedly connected to the limit plate (235).

6. A high voltage switch with low contact bounce according to claim 5, characterized in that: The connection assembly (24) comprises an inner tube (241), a sleeve (242), an outer connection plate (243), a lower gate plate (244) and a lower connection plate (245); the bottom end of the limit plate (235) is fixedly connected to the inner tube (241); the outer side of the inner tube (241) is provided with a sleeve (242); the outer side of the sleeve (242) is fixedly connected to the outer side of the sleeve (242); the bottom end of the inner tube (241) is provided with a lower gate plate (244); and the bottom end of the lower gate plate (244) is provided with a lower connection plate (245).

7. A high voltage switch with low contact bounce according to claim 1, characterized in that: A protective shell (3) is provided on the outside of the passage mechanism (2), the protective shell (3) comprising an outer plate (31) and a limiting groove (32), the outer plates (31) are provided on both sides of the connection assembly (24), and the limiting groove (32) is provided on the surface of the outer plate (31).

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