CN218038898U - Static contact mechanism of dual-power transfer switch - Google Patents
Static contact mechanism of dual-power transfer switch Download PDFInfo
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- CN218038898U CN218038898U CN202221889486.5U CN202221889486U CN218038898U CN 218038898 U CN218038898 U CN 218038898U CN 202221889486 U CN202221889486 U CN 202221889486U CN 218038898 U CN218038898 U CN 218038898U
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Abstract
The utility model discloses a dual supply change over switch's static contact mechanism, including the main part support with set up the contact on the main part support, the main part support is including the link that is located the middle part, set up respectively in the link both ends be used for the extension frame of external connection and be used for setting up the frame of arranging of contact, arrange frame, link and extension frame and buckle integrated into one piece through the metal, arrange the reverse of the relative link formation U-shaped of frame and buckle, the order is arranged a tip and is extended and arrange the contact at the upper surface towards extension frame direction. The utility model ensures the conductivity of the static contact through the main body bracket structure which is integrally bent and formed, and avoids the increase of internal resistance caused by the assembly of connecting parts in the prior art; the contact is arranged through the arrangement frame extending in the reverse bending mode, so that reverse current is formed at the arrangement frame, reverse electromotive force acting on the moving contact is provided when the transfer switch is switched off, the moving contact is promoted to be switched off quickly, and switching-on and switching-off conversion efficiency of the dual-power transfer switch is improved.
Description
Technical Field
The utility model belongs to the technical field of the electrical switch and specifically relates to a static contact mechanism of dual power transfer switch is related to.
Background
In a dual-power transfer switch, a contact system is one of key structures, and the realization of various technical indexes such as temperature rise, breaking and connecting capacity, electric service life, short-time withstand current level and the like of a product is influenced. The traditional static contact is formed smoothly towards one direction for smooth current circulation, and smooth current does not promote the moving contact and the static contact when the moving contact and the static contact are switched off; on the other hand, the static contact support is assembled and molded by matching a plurality of parts with the screws, and the screws and the connection positions are easy to increase the internal resistance, so that the conductivity is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's is not enough, a dual supply change over switch's static contact mechanism is provided, the electric conductive property of static contact is guaranteed to main part support through integrated into one piece, arrange the frame through the extension of backward buckling and arrange the contact, thereby the order is arranged the frame department and is formed reverse current, this reverse current does not influence the normal conduction of sound contact when closing a floodgate, provide a reverse electrodynamic force that acts on the moving contact when change over switch separating brake, promote the moving contact to carry out quick separating brake, improve dual supply change over switch's divide-shut brake conversion efficiency.
The utility model adopts the following technical scheme: the utility model provides a dual supply change over switch's static contact mechanism, includes the main part support and sets up the contact on the main part support, the main part support is including the link that is located the middle part, set up respectively in the link both ends be used for the extension frame of external connection and be used for setting up the frame of arranging of contact, arrange frame, link and extension frame and buckle integrated into one piece through the metal, arrange the reverse of frame relative link formation U-shaped and buckle, the order is arranged a tip and is extended and arrange the contact at the upper surface towards extension frame direction.
As an improvement, a vertical section is formed between the connecting frame and the extending frame by bending, the vertical section is respectively vertical to the connecting frame and the extending frame, and a through hole for mounting and connecting is arranged on the vertical section.
As an improvement, the connecting frame is also provided with an arc striking plate, the arc striking plate comprises an arc striking angle, and the arc striking angle is adjacent to the end part of the arranging frame and extends towards the oblique upward direction far away from the arranging frame.
As an improvement, the run-on plate further comprises a mounting plate, the mounting plate and the run-on angle are integrally formed, the mounting plate is provided with a horizontal section attached to the connecting frame and a vertical section perpendicular to the connecting frame, the run-on angle is connected to the upper end of the vertical section, the horizontal section is pressed from the upper side by a mounting frame, and the mounting frame and the connecting frame are connected through a fastener to fix the run-on plate.
As an improvement, the U-shaped structure formed by the arrangement frame is bent at a right angle.
The utility model has the advantages that: the conductive performance of the static contact is ensured through the integral bending structure of the arrangement frame, the connecting frame and the extension frame, and the increase of internal resistance caused by the assembly of connecting parts in the prior art is avoided; the contacts are arranged through the U-shaped arrangement frame which is bent and extended reversely, so that reverse flow is generated when current flows to the arrangement frame in the forward direction, the reverse current can generate electrodynamic force, normal conduction of the movable and static contacts is not influenced when the switch is switched on, the electrodynamic force acts on the moving contact when the transfer switch is switched off, the dynamic force promotes the moving contact to perform rapid switching-off, and the switching-off and switching-on conversion efficiency of the dual-power transfer switch is improved.
Drawings
Fig. 1 is a schematic perspective view of a static contact according to the present invention.
Fig. 2 is a schematic diagram of a three-dimensional structure of the static contact of the present invention when it is installed in a dual power transfer switch.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings.
As shown in fig. 1 and 2, it is a specific embodiment of the static contact mechanism of the dual power transfer switch of the present invention. The embodiment comprises a main body support 1 and contacts 2 arranged on the main body support 1, wherein the main body support 1 comprises a connecting frame 13 positioned in the middle, extending frames 11 which are respectively arranged at two ends of the connecting frame 13 and used for being connected outwards, and arrangement frames 12 used for arranging the contacts 2, the arrangement frames 12, the connecting frames 13 and the extending frames 11 are integrally formed by metal bending, the arrangement frames 12 form U-shaped reverse bending relative to the connecting frame 13, and the end parts of the arrangement frames 12 extend towards the direction of the extending frames 11 and are provided with the contacts 2 on the upper surface.
The utility model discloses when using, whole static contact is installed in dual supply change over switch's casing, contact 2 is relative with the moving contact, and the position that corresponds contact 2 and moving contact sets up the explosion chamber, the space of arranging in the main part support 1 adaptation casing is packed into wherein, extension frame 11 outwards extends the casing, be used for outside circuit connection, arrangement frame 12 forms the reverse bending of U-shaped, take fig. 2 as an example, the electric current is from down up by extension frame 11, link 13 flow to arrangement frame 12, after the reverse bending of U-shaped, in the tip formation up-down reverse current, this electric current can flow to the moving contact from contact 2 after closing a floodgate; the reverse current can generate electrodynamic force which can act on the moving contact, when the moving contact is switched on, the movement of the moving contact is limited by a switching-on mechanism of the double-power transfer switch, and the current can be normally conducted and flow; when the transfer switch is opened, the electrodynamic force acts on the moving contact, the dynamic contact is promoted to perform quick opening response by the electrodynamic force, and the opening and closing conversion efficiency of the dual-power transfer switch is improved.
As a modified specific embodiment, a vertical section 14 is formed between the connecting frame 13 and the extending frame 11 by bending, the vertical section 14 is perpendicular to the connecting frame 13 and the extending frame 11 respectively, and the vertical section 14 is provided with a through hole 3 for mounting connection.
As shown in fig. 1 and 2, the vertical section 14 is provided with a connecting frame 13 and an extending frame 11 to form a good folding structure, so that the arrangement of the static contact is more stable after the space of the adaptive housing is installed in the housing, on the other hand, the vertical section 14 is provided with a through hole 3, a space corresponding to the vertical section 14 can be provided on the housing in a matching manner, and the component can be provided in the space and assembled with the vertical section 14 through the through hole 3.
As a modified specific embodiment, the arc striking plate 4 is further mounted on the connecting frame 13, and the arc striking plate 4 includes an arc striking angle 41, and the arc striking angle 41 is adjacent to the end of the disposing frame 12 and extends in an obliquely upward direction away from the disposing frame 12.
As shown in fig. 1 and 2, the arc striking angle 41 is disposed at an end of the arrangement frame 12, and when the contact 2 and the movable contact are separated from each other to generate an arc, the arc can be smoothly guided to an upper arc extinguishing chamber by virtue of a structure extending in an obliquely upward direction, so that arc extinguishing work is completed, and the possibility that a device in the housing is damaged due to flowing of the arc is avoided. Preferably, the arc striking angle 41 is parallel to and spaced apart from the arc extinguishing plate in the arc extinguishing chamber as shown in fig. 2, thereby performing good arc guiding.
As a modified specific implementation mode, the arc ignition plate 4 further comprises a mounting plate 42, the mounting plate 42 and the arc ignition angle 41 are integrally formed, the mounting plate 42 is provided with a horizontal section attached to the connecting frame 13 and a vertical section perpendicular to the connecting frame 13, the arc ignition angle 41 is connected to the upper end of the vertical section, the horizontal section is pressed from the upper side by a mounting frame 5, and the mounting frame 5 and the connecting frame 13 are connected through a fastener to fix the arc ignition plate 4.
As shown in fig. 1 and 2, the mounting plate 42 has the specific structures of the horizontal section and the vertical section, so that on one hand, the horizontal section is mounted on the connecting frame 13, on the other hand, the vertical section is subjected to good structural extension, the arc striking angle 41 is arranged corresponding to the end part of the arrangement frame 12, the mounting frame 5 is used for stably mounting the horizontal section, and the structural strength of the connecting position is enhanced; a clearance space is formed between the vertical section and the arrangement frame 12, and the vertical section and the arrangement frame can be matched and installed corresponding to the convex block in the shell.
As a modified embodiment, the U-shaped structure formed by the rack 12 is arranged to be bent at right angles.
As shown in fig. 1 and 2, the U-shaped structure is preferably bent at a right angle, so that the machined main body support 1 is more convenient to regularly stack and store, and the shell is convenient to be arranged corresponding to the cavity of the installation position, namely, the shell is arranged into a square cavity and an inner wall structure, thereby facilitating the manufacture of the die and the mutual corresponding installation.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a dual supply change over switch's static contact mechanism, includes main part support (1) and sets up contact (2) on main part support (1), its characterized in that: main part support (1) including be located the link (13) at middle part, set up respectively in link (13) both ends be used for to the extension frame (11) of external connection and be used for setting up arranging frame (12) of contact (2), arrange frame (12), link (13) and extension frame (11) and buckle integrated into one piece through the metal, arrange frame (12) and form the reverse of U-shaped and buckle towards link (13) relatively, make and arrange frame (12) tip towards extending frame (11) direction extension and at the upper surface arrangement contact (2).
2. The static contact mechanism of the dual power transfer switch of claim 1, wherein: a vertical section (14) is formed between the connecting frame (13) and the extending frame (11) through bending, the vertical section (14) is respectively perpendicular to the connecting frame (13) and the extending frame (11), and a through hole (3) for installation and connection is formed in the vertical section (14).
3. The static contact mechanism of the dual power transfer switch according to claim 1 or 2, wherein: still install run-on plate (4) on link (13), run-on plate (4) are including run-on angle (41), run-on angle (41) are adjacent with the tip of arranging frame (12) and to the upwards direction extension of slope of keeping away from arrangement frame (12).
4. The static contact mechanism of the dual-power transfer switch of claim 3, wherein: run-on plate (4) still include mounting panel (42), mounting panel (42) and run-on angle (41) integrated into one piece, mounting panel (42) have the horizontal segment of laminating mutually with link (13) and the vertical section of perpendicular to link (13), run-on angle (41) are connected to the upper end of vertical section, the horizontal segment is pressed from the top by a mounting bracket (5) and is established to connect mounting bracket (5) and link (13) fixed run-on plate (4) through the fastener.
5. The static contact mechanism of the dual power transfer switch according to claim 1 or 2, wherein: the U-shaped structure formed by the arrangement frame (12) is bent at a right angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221889486.5U CN218038898U (en) | 2022-07-20 | 2022-07-20 | Static contact mechanism of dual-power transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221889486.5U CN218038898U (en) | 2022-07-20 | 2022-07-20 | Static contact mechanism of dual-power transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218038898U true CN218038898U (en) | 2022-12-13 |
Family
ID=84383847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221889486.5U Active CN218038898U (en) | 2022-07-20 | 2022-07-20 | Static contact mechanism of dual-power transfer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218038898U (en) |
-
2022
- 2022-07-20 CN CN202221889486.5U patent/CN218038898U/en active Active
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