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CN-224232600-U - Protection device of solid state relay

CN224232600UCN 224232600 UCN224232600 UCN 224232600UCN-224232600-U

Abstract

The utility model discloses a protection device of a solid-state relay, which belongs to the technical field of power equipment and comprises a protection shell and a solid-state relay body arranged in an inner cavity of the protection shell, wherein an access board is rotatably connected to the top end of the protection shell, wire placing channels for wires to pass through are formed in two sides of the protection shell, auxiliary frames are detachably connected to the two sides of the protection shell, regulating pieces are embedded in the top end of the auxiliary frames and the top end of the access board, a plurality of rubber pads for fixing are adhered to the inner bottom wall of the auxiliary frames and the bottom ends of the regulating pieces, movable channels are formed in the two sides of the auxiliary frames, plugging plates for plugging are arranged in the inner cavities of the two movable channels, threaded holes matched with the movable channels are formed in the side surfaces of the auxiliary frames, and abutting threaded rods for fixing the plugging plates are in threaded connection with the threaded holes. The protection device of the solid-state relay not only can fix the electric wire, but also can carry out certain plugging protection on the port.

Inventors

  • GU WEI
  • CHEN ZIMEI
  • LIN XIAOKAI
  • ZHANG PENG

Assignees

  • 福建大唐国际宁德发电有限责任公司

Dates

Publication Date
20260512
Application Date
20250416

Claims (7)

  1. 1. The protection device of the solid-state relay comprises a protection shell (1) and a solid-state relay body (2) arranged in an inner cavity of the protection shell (1), and is characterized in that the top end of the protection shell (1) is rotationally connected with an access board (3), and two sides of the protection shell (1) are provided with wire placing channels for wires to pass through; The two sides of the protective shell (1) are detachably connected with auxiliary frames (4), adjusting pieces (5) are embedded in the top ends of the auxiliary frames (4) and the top ends of the access plates (3), and a plurality of rubber pads (6) for fixing are adhered to the inner bottom wall of the auxiliary frames (4) and the bottom ends of the adjusting pieces (5); The movable channels are formed in two sides of the auxiliary frame (4), the blocking plates (7) used for blocking are arranged in the inner cavities of the movable channels, threaded holes matched with the movable channels are formed in the side faces of the auxiliary frame (4), and the threaded holes are in threaded connection with abutting threaded rods (8) used for fixing the blocking plates (7).
  2. 2. A protection device for a solid state relay according to claim 1, characterized in that the regulating member (5) comprises: A threaded tube (51); an adjusting threaded rod (52) in threaded connection with the threaded pipe (51); the auxiliary block (53) is welded at the bottom end of the adjusting threaded rod (52), and a hollow plate (54) is welded at the bottom end of the auxiliary block (53); and the movable plate (55) is arranged in the inner cavity of the hollow plate (54).
  3. 3. A protection device for a solid state relay according to claim 2, characterized in that a first spring (56) is connected between the auxiliary block (53) and the movable plate (55), and the bottom end of the movable plate (55) is rotatably connected with a tightening plate (57) through a bearing.
  4. 4. Protection device for solid state relays according to claim 1, characterized in that the access panel (3) is fixed by means of a snap-lock connection with the protective shell (1).
  5. 5. The protection device of a solid state relay according to claim 1, wherein a mounting plate (9) is provided on one side of the protective housing (1), and a plurality of round holes through which bolts pass are provided on a side surface of the mounting plate (9).
  6. 6. The protection device of a solid state relay according to claim 5, wherein the outer circumference of the protective shell (1) is fixedly connected with a plurality of connecting blocks (10), and the side surface of the assembly plate (9) is fixedly connected with a plurality of limit rods (11).
  7. 7. The protection device of a solid state relay according to claim 6, wherein a plurality of second springs (12) are fixedly connected between the assembly plate (9) and the connecting block (10), and a limit hole for a limit rod (11) to pass through is formed in the side surface of the connecting block (10).

Description

Protection device of solid state relay Technical Field The utility model belongs to the technical field of power equipment, and particularly relates to a protection device of a solid-state relay. Background Solid state relays are a new type of contactless switching devices, all of which consist of solid state electronic components, which, by utilizing the switching characteristics of the electronic components, achieve the purpose of making and breaking the circuit without contact and without spark, and are therefore also referred to as "contactless switches". The solid state relay is a four-terminal active device, wherein two terminals are input control terminals, and the other two terminals are output controlled terminals. In actual use, the wires connected with the solid-state relay are easily affected by external force, and the ports are also easily affected by external environment. Through searching, china patent document (grant bulletin No. CN 216873681U) is a heat abstractor of a solid state relay, and belongs to the technical field of heat abstractors. The heat radiator comprises a heat radiator shell, a cover plate is arranged on one side of the heat radiator shell, a solid-state relay is arranged in the heat radiator shell, and an adaptive protection heat radiator is arranged around the solid-state relay by the heat radiator shell. According to the utility model, the fixing of different solid state relays can be completed by adjusting the distance between the moving blocks, meanwhile, the damping structure corresponding to the supporting block and the shell of the heat dissipation device is designed, the protection of the solid state relay can be increased, and the designed air cooling device can effectively cool down cold air from one side to the other side, so that the manufacturing process is relatively simple and convenient, and the possibility of actual use is increased. The wires connected by the solid state relay of the above patent are easily affected by external force when in use, and the ports are also easily affected by external environment. Disclosure of utility model The utility model aims to provide a protection device of a solid-state relay, which aims to solve the problems in the background technology. The protection device of the solid-state relay comprises a protection shell and a solid-state relay body arranged in the inner cavity of the protection shell, wherein the top end of the protection shell is rotationally connected with an access board, and two sides of the protection shell are provided with wire placing channels for wires to pass through; The two sides of the protective shell are detachably connected with auxiliary frames, the top ends of the auxiliary frames and the top ends of the access boards are respectively provided with an adjusting piece in an embedded mode, and a plurality of rubber pads for fixing are respectively adhered to the inner bottom wall of the auxiliary frames and the bottom ends of the adjusting pieces; The movable channels are all offered to the both sides of auxiliary frame, and the inner chamber of two movable channels all is provided with the shutoff board that is used for the shutoff, and the screw hole with movable channel adaptation is offered to the side of auxiliary frame, and screw hole threaded connection has the tight threaded rod of support that is used for fixed shutoff board. As a preferred embodiment, the adjusting member comprises: a threaded tube; the adjusting threaded rod is in threaded connection with the threaded pipe; the auxiliary block is welded at the bottom end of the adjusting threaded rod, and a hollow plate is welded at the bottom end of the auxiliary block; the movable plate is arranged in the inner cavity of the hollow plate. As a preferred embodiment, a first spring is connected between the auxiliary block and the movable plate, and the bottom end of the movable plate is rotatably connected with a tightening plate through a bearing. As a preferred embodiment, the access panel is secured to the protective shell by a snap lock. As a preferred embodiment, one side of the protective housing is provided with a fitting plate, and a plurality of round holes through which bolts pass are formed in a side surface of the fitting plate. As the preferred embodiment, a plurality of connecting blocks are fixedly connected to the periphery of the protective shell, and a plurality of limiting rods are fixedly connected to the side face of the assembly plate. As the preferred implementation scheme, a plurality of second springs are fixedly connected between the assembly plate and the connecting block, and a limiting hole for the limiting rod to pass through is formed in the side face of the connecting block. Compared with the prior art, the utility model has the technical effects and advantages that: According to the protection device of the solid-state relay, when the protection shell is used, the solid-state relay body can be protec