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CN-122025475-A - Plug-in relay

CN122025475ACN 122025475 ACN122025475 ACN 122025475ACN-122025475-A

Abstract

The invention provides an inserting sheet type relay which comprises a base, an outer cover, a wire wheel, an iron core, an enameled wire, a bracket, a magnetic pole, a spring piece, an inserting sheet and a sharing terminal, wherein the outer cover is provided with an accommodating groove and a plurality of wire wheel terminals, the iron core is arranged in the accommodating groove, the enameled wire is electrically connected with the wire wheel terminals, the bracket is arranged at one side of the wire wheel, the magnetic pole is an L-shaped sheet body and is provided with a first section part and a second section part, the first section part is arranged at one side of the iron core, the second section part is provided with an opening, the spring piece is provided with a bending section and a clamping section, the bending section penetrates through the opening and abuts against the magnetic pole, the clamping section is clamped and fixed on the bracket, the inserting sheet is fixedly connected with the second section, the sharing terminal is arranged in the accommodating space, one end of the middle elastic sheet is fixedly connected with the sharing terminal, the other end of the middle elastic sheet is movably abutted against the inserting sheet, the middle elastic sheet is provided with two movable contacts, and two normally open terminals respectively provided with a fixed contact. And double conduction distance is realized by utilizing two groups of opening and closing structures on the same circuit so as to improve applicability of high voltage or severe environment.

Inventors

  • WU SONGREN

Assignees

  • 松川精密股份有限公司

Dates

Publication Date
20260512
Application Date
20241112

Claims (9)

  1. 1. A plug-in sheet type relay, characterized by comprising: A base; an outer cover covering the base to form a containing space between the base and the outer cover; the wire wheel is arranged on the base in a leaning way and is provided with a containing groove and a plurality of wire wheel terminals, and the plurality of wire wheel terminals are partially penetrated through the base; The iron core is arranged in the accommodating groove; the enameled wire is wound on the outer surface of the wire wheel to enable the iron core to be wrapped in the wire wheel, and the enameled wire is electrically connected with the plurality of wire wheel terminals; the bracket is arranged on the base and is positioned at one side of the wire wheel; The magnetic pole is an L-shaped sheet body and is provided with a first section part and a second section part, wherein the first section part is arranged on one side of the iron core, and the second section part is provided with an opening; The first section part of the magnetic pole is magnetically attracted to lean against the iron core after the plurality of wire wheel terminals are electrified, and the first section part of the magnetic pole is restored to the original position by the elasticity of the spring piece after the wire wheel terminals are powered off, so that the magnetic pole can pivot and swing relative to the bracket; the inserting piece is fixedly connected to the second section part of the magnetic pole; a common terminal fixedly arranged in the accommodating space; One end of the middle spring piece is fixedly connected with the common terminal, and the other end is movably abutted against and penetrated by the inserting piece, wherein the middle spring piece is provided with two movable joints and The two normally open terminals are fixed and penetrate through the base, each of the two normally open terminals is provided with a fixed contact, and the two fixed contacts are arranged corresponding to the two movable contacts.
  2. 2. The plug-in type relay according to claim 1, further comprising a pair of mounting portions disposed on the base and disposed in the accommodating space, wherein the pair of mounting portions are fixedly connected to both ends of the common terminal.
  3. 3. The plug-in relay according to claim 2, wherein the pair of mounting portions have a mounting groove for bridging the two ends of the common terminal for mounting, and the pair of mounting portions and the common terminal together form a door frame structure, so that the middle spring piece can be swingably accommodated in the door frame structure.
  4. 4. The plug-in relay of claim 3, wherein the common terminal has a first side and a second side, the first side being adjacent to one side of the bracket, the second side being opposite to the first side, and the middle spring being riveted to the first side of the common terminal.
  5. 5. The plug-in relay according to claim 4, wherein the middle spring plate extends upward across the common terminal and downward at the second side surface for a certain period after being riveted to the common terminal, then extends toward the side of the bracket, and the end section extends downward toward the base, wherein the two movable contacts are disposed at the end section of the middle spring plate.
  6. 6. The plug-in relay of claim 5, further comprising a contact plate fixed to the end of the middle spring plate, and the two movable contacts are disposed through the contact plate.
  7. 7. The plug-in relay according to claim 6, further comprising a pair of current sensors separately provided with the two normally open terminals fixed outside the accommodation space.
  8. 8. The plug-in relay of claim 7, wherein the middle spring is a plurality of interlayer metal sheets.
  9. 9. The plug-in relay of claim 8, wherein the plurality of interlayer metal sheets are of dissimilar materials.

Description

Plug-in relay Technical Field The invention relates to the field of relays, in particular to an inserting sheet type relay capable of greatly improving applicability in high voltage or severe environments. Background Electromagnetic relays operate according to electromagnetic effects and are widely applied to the fields of industrial automation, power systems, communication equipment and the like. It has excellent isolation and stability, especially critical in multichannel control. When the electromagnetic relay is switched frequently in the face of high current, the contact can be effectively prevented from overheating or melting, the stability and continuous operation of the load are ensured, and the characteristics enable the electromagnetic relay to be an indispensable core component in power load switching and circuit protection. In addition, the simple structural design, cost effectiveness and strong interference resistance make the electromagnetic relay play an important role in applications such as switch control and power load management. As mentioned above, although the technology of electromagnetic relay is mature, with the rapid development of modern electronic devices and new energy systems, there is still room for further improvement. In the future, electromagnetic relays are required to have higher withstand capability, and can cope with higher power and larger current loads, so as to meet the increasing technical requirements and more severe application environments. For example, when the electromagnetic relay is suitable for a high-voltage environment, if the contact pitch of the electromagnetic relay is insufficient, normal operation may not be maintained, and it is considered that the contact pitch of the conventional electromagnetic relay is limited by the internal space of the housing, so that the need for improving the applicability is needed by realizing a larger contact pitch under the volume frame. In view of this, the present inventors have concentrated many years of experience and expertise in related industries, and have proposed a new electromagnetic relay technical solution to solve the foregoing drawbacks of the prior art. Disclosure of Invention The invention aims to provide a plug-in type relay with larger contact distance, which can be applied to high-voltage or severe environments by means of special structure combination relation in an electromagnetic relay with limited space. In order to achieve the above object, the present invention provides an insert relay, comprising a base; an outer cover for covering the base to form a containing space between the base and the outer cover; the wire wheel is arranged on the base in a leaning way and is provided with a containing groove and a plurality of wire wheel terminals, and the plurality of wire wheel terminals are partially penetrated through the base; the wire wheel terminal comprises a wire wheel, an iron core, an enameled wire, a support, a magnetic pole, a spring piece, a first inserting piece, a second inserting piece, a first fixing piece, a movable inserting piece, a fixed terminal, a movable inserting piece and a normally open terminal, wherein the wire wheel terminal is wrapped on the outer surface of the wire wheel to enable the iron core to be wrapped in the accommodating groove, the enameled wire is electrically connected with the wire wheel terminals, the support is arranged on the base and is arranged on one side of the wire wheel, the first inserting piece is provided with a first section and a second section, the first section is arranged on one side of the iron core, the second section is provided with an opening, the spring piece is provided with a bending section and a clamping section, the bending section is arranged through the opening and abuts against the magnetic pole, the clamping section is clamped and fixedly connected with the support, the first section is magnetically attracted against the iron core, the first section of the magnetic pole is enabled to be reset to be in place by the elastic force of the spring piece after the wire wheel terminal is powered off, the first section is enabled to pivot swing relative to the support, the first inserting piece is fixedly connected with the second section of the magnetic pole, the first inserting piece is fixedly arranged in the accommodating space, the first end is fixedly arranged in the movable inserting piece, one end is fixedly arranged in the accommodating space, one end is fixedly corresponds to the movable inserting piece, two movable inserting piece is fixedly connected with the movable inserting piece, two movable inserting pieces are fixedly connected with the movable inserting pieces, and normally open contacts are respectively, and normally open contacts are arranged at two movable contacts, and normally open positions are respectively. Therefore, the double conduction distance can be realized by utilizing two groups of opening and closing