CN113611575A - Multi-phase electromagnetic relay - Google Patents
Multi-phase electromagnetic relay Download PDFInfo
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- CN113611575A CN113611575A CN202110678844.1A CN202110678844A CN113611575A CN 113611575 A CN113611575 A CN 113611575A CN 202110678844 A CN202110678844 A CN 202110678844A CN 113611575 A CN113611575 A CN 113611575A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/60—Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit
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Abstract
The invention discloses a multiphase electromagnetic relay, which comprises a shell, a plurality of paths of leading-out terminals and a plurality of movable and static contact matching structures, wherein the leading-out terminals are led out from the shell outwards; each incoming line terminal is respectively led out from one side wall of the shell, and each outgoing line terminal is respectively led out from the other side wall of the shell; and each incoming line terminal and each outgoing line terminal are bent outside the shell in a non-staggered interval mode respectively, and the outer connecting end of each incoming line terminal and the outer connecting end of each outgoing line terminal are arranged in a row parallel to the third side wall. The invention can avoid the staggered arrangement of copper parts (namely leading-out terminals), further solve the complex problems of insulation and spot welding and reduce the copper consumption; and the copper consumption of the movable and static spring parts in the relay can be saved, and the cost is further reduced.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a multiphase electromagnetic relay.
Background
The multiphase electromagnetic relay is mainly applied to an electric power system, for example, the three-phase electromagnetic relay is internally provided with three groups of contact parts consisting of three groups of moving and static spring parts, and can realize the control of the on or off of three-phase power of the load. The multiphase electromagnetic relay generally comprises a shell and a plurality of outgoing terminals led out from the shell, wherein each outgoing terminal comprises an incoming terminal and an outgoing terminal, the incoming terminals and the outgoing terminals in the same path are respectively communicated with the same group of movable and static contact structures in the shell, when the movable contacts and the static contacts in the same group are in contact, the incoming terminals and the outgoing terminals in the same path are communicated, and when the movable contacts and the static contacts in the same group are separated, the incoming terminals and the outgoing terminals in the same path are not communicated. In the multi-phase electromagnetic relay in the prior art, the incoming line terminals and the outgoing line terminals in the same path are usually led out from the housing in a mutually adjacent manner, and due to the requirement of external flat cables, for example, the requirement of one-in eight-out flat cables of the three-phase electromagnetic relay, some incoming line terminals or outgoing line terminals need to be led out across the incoming line terminals or outgoing line terminals in other paths, so that a part of the incoming line terminals and outgoing line terminals need to be distributed in a staggered manner. In addition, in the multi-phase electromagnetic relay in the prior art, the incoming line terminal and the outgoing line terminal of the same path respectively adopt a static spring sheet and a movable spring leading-out sheet, and the movable spring part and the static spring part in the relay form a Z-bending structure structurally, thereby causing the defects of high copper consumption and high cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a multiphase electromagnetic relay, which can avoid the staggered arrangement of copper pieces (namely leading-out terminals) through structural improvement, further solve the complex problems of insulation and spot welding and reduce copper consumption; on the other hand, copper consumption of the movable spring part and the static spring part in the relay can be saved, and further cost is reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows: a multiphase electromagnetic relay comprises a shell, a plurality of paths of leading-out terminals leading out from the shell and a plurality of movable and static contact matching structures arranged in the shell, wherein each path of leading-out terminal comprises an incoming line terminal and an outgoing line terminal; the shell is rectangular; each incoming line terminal is led out from one first side wall of the four side walls of the shell, each outgoing line terminal is led out from the second side wall of the shell, and the second side wall and the first side wall are distributed oppositely; each incoming line terminal and each outgoing line terminal are bent outside a shell in a non-staggered interval mode to the outside of a third side wall of the shell, the outer connecting end of each incoming line terminal and the outer connecting end of each outgoing line terminal are arranged outside the third side wall to form a row parallel to the third side wall, and the incoming line terminals and the outgoing line terminals in the same path are respectively located at corresponding positions on two sides of the same row; the third sidewall is connected between the first sidewall and the second sidewall.
An outer connecting end of a zero line incoming wire and an outer connecting end of a zero line outgoing wire are further distributed between the outer connecting end of each incoming wire terminal and the outer connecting end of each outgoing wire terminal, and the outer connecting end of the zero line incoming wire and the outer connecting end of the zero line outgoing wire are connected through a first electric connecting sheet.
Each external connecting end is provided with an external connecting piece, each external connecting piece comprises at least one annular terminal and a soldering lug, the at least one annular terminal is movably matched with one end of the soldering lug, and the other end of the soldering lug is welded and fixed with a corresponding one of the incoming line terminal, the outgoing line terminal and the first electric connecting plate; the ring terminal is also fitted with a screw.
Each incoming line terminal and each outgoing line terminal are of a sheet-type structure, each incoming line terminal and each outgoing line terminal respectively comprise a first portion and a second portion, the first portion extends outwards from the inside of the shell in a mode of being perpendicular to the side wall of the shell, the second portion is connected with the first portion in a bent mode, and the external connecting end is located on the second portion.
The first part and the second part are integrally connected at the bent part.
The first part and the second part are two independent parts, and the first part and the second part are welded and fixed at the bent part.
The second portion of each of the inlet terminals includes a splitter structure for collecting the current signal.
The movable contact and the fixed contact matching structure comprise a first fixed spring, a first fixed contact, a first movable spring, a first movable contact, a second fixed spring, a second fixed contact, a second movable spring and a second movable contact; the first fixed contact is fixed with one end of the first fixed spring piece and one end of the first movable spring piece, the first movable contact is fixed at the other end of the first movable spring piece, the second fixed contact is fixed with one end of the second fixed spring piece and one end of the second movable spring piece, and the second movable contact is fixed at the other end of the second movable spring piece; the first fixed contact is matched with the second movable contact correspondingly, and the second fixed contact is matched with the first movable contact correspondingly; the first static reed is an incoming terminal, and the second static reed is an outgoing terminal.
A plurality of slots are respectively arranged in the first side wall and the second side wall of the shell; each first static spring plate is respectively inserted into a slot of a first side wall of the shell, and one end of each first static spring plate is closer to the first side wall relative to the second side wall; each second static spring is respectively inserted into the slot of the second side wall of the shell, and one end of each second static spring is closer to the second side wall relative to the first side wall.
The first movable spring plate and the second movable spring plate are distributed in a substantially parallel manner, and the first movable spring plate and the second movable spring plate are respectively formed by overlapping a plurality of spring plates; the first movable spring is provided with a first bending part protruding towards the second spring, the second movable spring is provided with a second bending part protruding towards the first spring, and the first bending part and the second bending part are in staggered distribution.
The multiphase electromagnetic relay also comprises a magnetic circuit part and a push card; the shell is provided with a partition plate in the middle of the thickness so as to divide the shell into an upper layer and a lower layer; the magnetic circuit part is arranged on the upper layer of the shell; the movable contact and the static contact matching structure are arranged on the lower layer of the shell; the magnetic circuit part comprises an armature component, the armature component is provided with a pushing arm, and the pushing arm penetrates through the lower layer of the shell and is matched with a movable reed in the movable contact and static contact matching structure through the pushing card.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, each incoming line terminal is respectively led out from one first side wall of the four side walls of the shell, each outgoing line terminal is respectively led out from the second side wall of the shell, and the second side wall and the first side wall are distributed oppositely; each incoming line terminal and each outgoing line terminal are bent outside a shell in a non-staggered interval mode to the outside of a third side wall of the shell, the outer connecting ends of each incoming line terminal and each outgoing line terminal are arranged outside the third side wall in a row parallel to the third side wall, and the incoming line terminals and the outgoing line terminals in the same path are respectively located at the corresponding positions on the two sides of the same row; the third sidewall is connected between the first sidewall and the second sidewall. The structure of the invention avoids the staggered arrangement of the copper pieces (namely the leading-out terminals), can reduce the copper consumption (the leading-out terminals are made of copper materials), reduce the cost, simplify the forming of the copper pieces (namely the leading-out terminals), facilitate the assembly, simplify the spot welding process and ensure the safe distance of a strong electric room.
2. The invention adopts the design that the movable contact and the fixed contact are matched to form a structure comprising a first fixed spring, a first fixed contact, a first movable spring, a first movable contact, a second fixed spring, a second fixed contact, a second movable spring and a second movable contact; the first fixed contact is fixed with one end of the first fixed spring piece and one end of the first movable spring piece, the first movable contact is fixed at the other end of the first movable spring piece, the second fixed contact is fixed with one end of the second fixed spring piece and one end of the second movable spring piece, and the second movable contact is fixed at the other end of the second movable spring piece; the first fixed contact is matched with the second movable contact correspondingly, and the second fixed contact is matched with the first movable contact correspondingly; the first static reed is an incoming terminal, and the second static reed is an outgoing terminal. The structure of the invention designs the matching structure of the movable contact and the static contact into a double movable spring component parallel structure, which can save the copper consumption of the movable spring component and the static spring component in the relay and further reduce the cost.
The invention is further explained in detail with the accompanying drawings and the embodiments; a multiphase electromagnetic relay of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
FIG. 3 is a top view of an embodiment of the present invention;
FIG. 4 is a side view of the invention shown in FIG. 3;
FIG. 5 is an exploded perspective view of an embodiment of the present invention;
FIG. 6 is a schematic perspective view of an embodiment of the present invention (with the upper housing removed);
FIG. 7 is a schematic perspective view of an embodiment of the present invention (bottom up and with the lower housing removed);
FIG. 8 is a schematic view of various moving and stationary contact mating structures of an embodiment of the present invention;
FIG. 9 is a top view of various moving and stationary contact mating structures of an embodiment of the present invention;
FIG. 10 is a schematic view of the engagement of the various moving and stationary contact engagement structures with the magnetic circuit portion and the pusher card of the embodiment of the present invention;
FIG. 11 is a schematic view (bottom up) of the engagement of the magnetic circuit portion and the push card with the respective moving and stationary contact engagement structures of the embodiment of the present invention;
fig. 12 is a schematic diagram of the mating of the movable spring, pusher card and armature assembly of an embodiment of the invention.
Detailed Description
Examples
Referring to fig. 1 to 12, the multiphase electromagnetic relay of the present invention includes a housing 1, multiple paths of leading-out terminals led out from the housing, and multiple moving and static contact matching structures installed in the housing, where each path of leading-out terminal includes an incoming terminal 2 and an outgoing terminal 3, and a moving and static contact matching structure is matched between the incoming terminal 2 and the outgoing terminal 3 in the same path; the embodiment is a three-phase electromagnetic relay used for controlling a three-phase power supply in a power system; the incoming terminal 2 has three incoming terminals 21, 22, 23, and the outgoing terminal 3 also has three outgoing terminals 31, 32, 33; incoming line terminal 21 and outgoing line terminal 31 are the same path, incoming line terminal 22 and outgoing line terminal 32 are the same path, and incoming line terminal 23 and outgoing line terminal 33 are the same path; the shell 1 is rectangular; the shell 1 is composed of an upper shell 11, a base 12 and a lower shell 13, wherein the upper shell 11 and the lower shell 13 are respectively fixed at the upper end and the lower end of the base 12; the three incoming terminals 21, 22, and 23 are respectively led out from one first sidewall 121 of the four sidewalls of the housing 1, the first sidewall 121 is one of the four sidewalls of the base, the three outgoing terminals 31, 32, and 33 are respectively led out from a second sidewall 122 of the housing, the second sidewall 122 is also located in the base, and the second sidewall 122 and the first sidewall 121 are distributed oppositely; the three incoming terminals 21, 22, 23 and the three outgoing terminals 31, 32, 33 are respectively bent outside the housing 1 in a non-staggered spaced manner towards the outside of the third side wall 123 of the housing, and the outer connecting ends 211, 221, 231 of the three inlet terminals 21, 22, 23 and the outer connecting ends 311, 321, 331 of the three outlet terminals 31, 32, 33 are arranged in a row parallel to the third side wall 123 outside the third side wall 123, and the incoming terminal and the outgoing terminal of the same path are respectively positioned at the corresponding positions at the two sides of the same row, as shown in fig. 3, the incoming terminal 23 at the first position on the left and the outgoing terminal 33 at the first position on the right belong to the same path, the incoming terminal 22 at the second position inward on the left and the outgoing terminal 32 at the second position inward on the right belong to the same path, and the incoming terminal 21 at the third position inward on the left and the outgoing terminal 31 at the third position inward on the right belong to the same path; the third sidewall 123 is connected between the first sidewall 121 and the second sidewall 122; the third side wall 123 of the housing is also at the base 12.
In this embodiment, an outer connecting end 411 of a neutral wire and an outer connecting end 412 of a neutral wire are further distributed between the outer connecting ends 211, 221, 231 of the three incoming terminals 21, 22, 23 and the outer connecting ends 311, 321, 331 of the three outgoing terminals 31, 32, 33, and the outer connecting end 411 of the neutral wire and the outer connecting end 412 of the neutral wire are connected through a first electrical connecting sheet 41.
In this embodiment, each external connection end is provided with an external connection member, and the same external connection member 5 is used at each external connection end (including the external connection ends 211, 221, 231 of the three incoming lines 21, 22, 23, the external connection ends 311, 321, 331 of the three outgoing lines 31, 32, 33, the external connection end 411 of the neutral incoming line, and the external connection end of the neutral outgoing line).
In this embodiment, the outer connecting member 5 includes two annular terminals 51 and a soldering lug 52, the two annular terminals 51 are movably fitted at one end of the soldering lug 52, the other end of the soldering lug 52 is fixed to a corresponding one of the incoming line terminal, the outgoing line terminal and the first electrical connection lug in a welding manner, for example, the other end of the soldering lug 52 of the outer connecting member 5 for the incoming line terminal is fixed to the incoming line terminal in a welding manner, the other end of the soldering lug 52 of the outer connecting member 5 for the outgoing line terminal is fixed to the outgoing line terminal in a welding manner, the other end of the soldering lug 52 of the outer connecting member 5 for the incoming line terminal is fixed to the incoming line terminal in a welding manner, and the other end of the soldering lug 52 of the outer connecting member 5 for the neutral line incoming line and the neutral line outgoing line is fixed to the first electrical connection lug 41 in a welding manner; the ring terminal 51 is also fitted with a screw 53 by which an external wiring is fixed to one end of the tab 52, so that the ring terminal 51 is also fixed.
In this embodiment, the three incoming terminals 21, 22, 23 and the three outgoing terminals 31, 32, 33 are all of a sheet type structure, each of the incoming terminals and each of the outgoing terminals includes a first portion extending outward from the housing in a manner perpendicular to the side wall of the housing, and a second portion bent and connected to the first portion, and the external connection end is located at the second portion. Specifically, the inlet terminal 21 includes a first portion 212 extending outwardly from the housing perpendicular to the first sidewall 121 of the housing, and a second portion 213 connected to the first portion 212 in a bent manner, wherein the outer connecting end 211 is located at the second portion 213; wire terminal 22 includes a first portion 222 extending outwardly from the housing perpendicular to first sidewall 121 of the housing and a second portion 223 joined by a bend to first portion 222, wherein outer connection end 221 is at second portion 223; the wire terminal 23 comprises a first portion 232 extending outward from the housing in a manner perpendicular to the first sidewall 121 of the housing, and a second portion 233 connected to the first portion 232 by bending, wherein the outer connecting end 231 is located at the second portion 233; the outlet terminal 31 comprises a first part 312 extending outwards from the inside of the shell in a manner of being perpendicular to the second side wall 122 of the shell and a second part 313 connected with the first part 312 in a bending way, wherein the outer connecting end 311 is positioned in the second part 313; the outlet terminal 32 includes a first portion 322 extending outward from the housing perpendicular to the second sidewall 122 of the housing, and a second portion 323 connected to the first portion 322 by bending, wherein the external connection end 321 is located at the second portion 323; the outlet terminal 33 includes a first portion 332 extending outwardly from the housing perpendicular to the second side wall 122 of the housing and a second portion 333 bent into engagement with the first portion 332, the outer terminal 331 being located in the second portion 333.
In this embodiment, first portion 212 and second portion 213 of wire terminal 21 are integrally connected at a bend; first portion 222 and second portion 223 of wire terminal 22 are integrally joined at a bend; the first part 232 and the second part 233 of the wire terminal 23 are two independent parts, and the first part 232 and the second part 233 are welded and fixed at the bent part; the first part 312 and the second part 313 of the outlet terminal 31 are integrally connected at the bent part; the first part 322 and the second part 323 of the outlet terminal 32 are integrally connected at the bent part; the first part 332 and the second part 333 of the outlet terminal 33 are two independent parts, and the first part 332 and the second part 333 are welded and fixed at the bent position.
In this embodiment, second portions 213, 223, 233 of three inlet terminals 21, 22, 23 include splitter vane structures 214, 224, 234, respectively, for collecting current signals. A splitter structure 413 for collecting current signals is also provided on the first electrical connection tab 41.
In this embodiment, the three moving and stationary contact mating structures 61, 62, 63 correspondingly disposed between the three incoming terminals 21, 22, 23 and the three outgoing terminals 31, 32, 33 are identical in structure, and the moving and stationary contact mating structure 62 correspondingly disposed between the incoming terminal 22 and the outgoing terminal 32 is taken as an example to illustrate the moving and stationary contact mating structure. The movable contact and fixed contact matching structure 62 comprises a first fixed spring 621, a first fixed contact 622, a first movable spring 623, a first movable contact 624, a second fixed spring 625, a second fixed contact 626, a second movable spring 627 and a second movable contact 628; the first fixed contact 622 is fixed with one end of the first fixed spring 621 and one end of the first movable spring 623, the first movable contact 624 is fixed with the other end of the first movable spring 623, the second fixed contact 626 is fixed with one end of the second fixed spring 625 and one end of the second movable spring 627, and the second movable contact 628 is fixed with the other end of the second movable spring 627; the first stationary contact 622 is correspondingly mated with the second movable contact 628, and the second stationary contact 626 is correspondingly mated with the first movable contact 624; the first stationary reed 621 is an incoming terminal 22, and the second stationary reed 625 is an outgoing terminal 32.
In this embodiment, three slots 124 are respectively disposed in the first side wall 121 and the second side wall 122 of the housing 1; each first stationary spring (i.e. the corresponding inlet terminal) is inserted into the slot 124 of the first side wall 121 of the housing 1, and one end of the first stationary spring is closer to the first side wall relative to the second side wall; each second stationary spring (i.e., the corresponding outlet terminal) is inserted into the insertion slot 124 of the second sidewall 122 of the housing 1, and one end of the second stationary spring is closer to the second sidewall than to the first sidewall.
In this embodiment, taking the movable and stationary contact mating structure 62 correspondingly disposed between the incoming terminal 22 and the outgoing terminal 32 as an example, the first movable spring plate 623 and the second movable spring plate 627 are distributed substantially in parallel, and the first movable spring plate 623 and the second movable spring plate 727 are respectively formed by stacking a plurality of spring plates; the first movable spring 623 is provided with a first bending portion 6231 protruding toward the second spring, the second movable spring 627 is provided with a second bending portion 6271 protruding toward the first spring, and the first bending portion 6231 and the second bending portion 6271 are distributed in a staggered manner.
In the present embodiment, the multiphase electromagnetic relay further includes a magnetic circuit portion 7 and a push card 8; the shell 1 is provided with a partition plate 14 in the middle of the thickness so as to divide the shell 1 into an upper layer and a lower layer; the magnetic circuit part 7 is arranged on the upper layer of the shell 1; the movable contact and the static contact matching structure are arranged on the lower layer of the shell 1; the magnetic circuit part 7 comprises an armature assembly 71, the armature assembly 71 is provided with two pushing arms 72, the pushing arms 72 penetrate to the lower layer of the shell 1 and are matched with the movable reeds in the movable contact and static contact matching structures through the pushing clamp 8, and the number of the pushing clamps 8 is two.
The invention relates to a multiphase electromagnetic relay, which is characterized in that each incoming line terminal 21, 22 and 23 is respectively led out from one first side wall 121 of four side walls of a shell 1, each outgoing line terminal 31, 32 and 33 is respectively led out from a second side wall 122 of the shell 1, and the second side wall 122 and the first side wall 121 are distributed oppositely; the respective inlet terminals 21, 22, 23 and the respective outlet terminals 31, 32, 33 are respectively bent outside the housing 1 without staggered intervals to the outside of the third side wall 123 of the housing, and the outer connecting ends 211, 221, 231 of the respective inlet terminals 21, 22, 23 and the outer connecting ends 311, 321, 331 of the respective outlet terminals 31, 32, 33 are arranged outside the third side wall in a row parallel to the third side wall 123, and the inlet terminals and the outlet terminals of the same path are respectively located at corresponding positions on two sides of the same row; the third sidewall 123 is vertically connected between the first sidewall 121 and the second sidewall 122. The structure of the invention avoids the staggered arrangement of the copper pieces (namely the leading-out terminals), can reduce the copper consumption (the leading-out terminals are made of copper materials), reduce the cost, simplify the forming of the copper pieces (namely the leading-out terminals), facilitate the assembly, simplify the spot welding process and ensure the safe distance of a strong electric room.
The invention relates to a multiphase electromagnetic relay, which adopts a design that a movable contact and a fixed contact are matched to form a structure comprising a first fixed spring, a first fixed contact, a first movable spring, a first movable contact, a second fixed spring, a second fixed contact, a second movable spring and a second movable contact; the first fixed contact is fixed with one end of the first fixed spring piece and one end of the first movable spring piece, the first movable contact is fixed at the other end of the first movable spring piece, the second fixed contact is fixed with one end of the second fixed spring piece and one end of the second movable spring piece, and the second movable contact is fixed at the other end of the second movable spring piece; the first fixed contact is matched with the second movable contact correspondingly, and the second fixed contact is matched with the first movable contact correspondingly; the first static reed is an incoming terminal, and the second static reed is an outgoing terminal. The structure of the invention designs the matching structure of the movable contact and the static contact into a double movable spring component parallel structure, which can save the copper consumption of the movable spring component and the static spring component in the relay and further reduce the cost.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the scope of the disclosed embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (11)
1. A multiphase electromagnetic relay comprises a shell, a plurality of paths of leading-out terminals leading out from the shell and a plurality of movable and static contact matching structures arranged in the shell, wherein each path of leading-out terminal comprises an incoming line terminal and an outgoing line terminal; the shell is rectangular; the method is characterized in that: each incoming line terminal is led out from one first side wall of the four side walls of the shell, each outgoing line terminal is led out from the second side wall of the shell, and the second side wall and the first side wall are distributed oppositely; each incoming line terminal and each outgoing line terminal are bent outside a shell in a non-staggered interval mode to the outside of a third side wall of the shell, the outer connecting end of each incoming line terminal and the outer connecting end of each outgoing line terminal are arranged outside the third side wall to form a row parallel to the third side wall, and the incoming line terminals and the outgoing line terminals in the same path are respectively located at corresponding positions on two sides of the same row; the third sidewall is connected between the first sidewall and the second sidewall.
2. A multiphase electromagnetic relay according to claim 1, characterized in that: an outer connecting end of a zero line incoming wire and an outer connecting end of a zero line outgoing wire are further distributed between the outer connecting end of each incoming wire terminal and the outer connecting end of each outgoing wire terminal, and the outer connecting end of the zero line incoming wire and the outer connecting end of the zero line outgoing wire are connected through a first electric connecting sheet.
3. A multiphase electromagnetic relay according to claim 1 or 2, characterized in that: each external connecting end is provided with an external connecting piece, each external connecting piece comprises at least one annular terminal and a soldering lug, the at least one annular terminal is movably matched with one end of the soldering lug, and the other end of the soldering lug is welded and fixed with a corresponding one of the incoming line terminal, the outgoing line terminal and the first electric connecting plate; the ring terminal is also fitted with a screw.
4. A multiphase electromagnetic relay according to claim 1, characterized in that: each incoming line terminal and each outgoing line terminal are of a sheet-type structure, each incoming line terminal and each outgoing line terminal respectively comprise a first portion and a second portion, the first portion extends outwards from the inside of the shell in a mode of being perpendicular to the side wall of the shell, the second portion is connected with the first portion in a bent mode, and the external connecting end is located on the second portion.
5. The multiphase electromagnetic relay of claim 4, wherein: the first part and the second part are integrally connected at the bent part.
6. The multiphase electromagnetic relay of claim 4, wherein: the first part and the second part are two independent parts, and the first part and the second part are welded and fixed at the bent part.
7. The multiphase electromagnetic relay of claim 4, wherein: the second portion of each of the inlet terminals includes a splitter structure for collecting the current signal.
8. A multiphase electromagnetic relay according to claim 1, characterized in that: the movable contact and the fixed contact matching structure comprise a first fixed spring, a first fixed contact, a first movable spring, a first movable contact, a second fixed spring, a second fixed contact, a second movable spring and a second movable contact; the first fixed contact is fixed with one end of the first fixed spring piece and one end of the first movable spring piece, the first movable contact is fixed at the other end of the first movable spring piece, the second fixed contact is fixed with one end of the second fixed spring piece and one end of the second movable spring piece, and the second movable contact is fixed at the other end of the second movable spring piece; the first fixed contact is matched with the second movable contact correspondingly, and the second fixed contact is matched with the first movable contact correspondingly; the first static reed is an incoming terminal, and the second static reed is an outgoing terminal.
9. A multiphase electromagnetic relay according to claim 8, characterized in that: a plurality of slots are respectively arranged in the first side wall and the second side wall of the shell; each first static spring plate is respectively inserted into a slot of a first side wall of the shell, and one end of each first static spring plate is closer to the first side wall relative to the second side wall; each second static spring is respectively inserted into the slot of the second side wall of the shell, and one end of each second static spring is closer to the second side wall relative to the first side wall.
10. A multiphase electromagnetic relay according to claim 8, characterized in that: the first movable spring plate and the second movable spring plate are distributed in a substantially parallel manner, and the first movable spring plate and the second movable spring plate are respectively formed by overlapping a plurality of spring plates; the first movable spring is provided with a first bending part protruding towards the second spring, the second movable spring is provided with a second bending part protruding towards the first spring, and the first bending part and the second bending part are in staggered distribution.
11. A multiphase electromagnetic relay according to claim 1, characterized in that: the multiphase electromagnetic relay also comprises a magnetic circuit part and a push card; the shell is provided with a partition plate in the middle of the thickness so as to divide the shell into an upper layer and a lower layer; the magnetic circuit part is arranged on the upper layer of the shell; the movable contact and the static contact matching structure are arranged on the lower layer of the shell; the magnetic circuit part comprises an armature component, the armature component is provided with a pushing arm, and the pushing arm penetrates through the lower layer of the shell and is matched with a movable reed in the movable contact and static contact matching structure through the pushing card.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210970467.3A CN115497772A (en) | 2021-06-18 | 2021-06-18 | Multi-phase electromagnetic relay |
| CN202110678844.1A CN113611575A (en) | 2021-06-18 | 2021-06-18 | Multi-phase electromagnetic relay |
| KR1020237044146A KR20240011173A (en) | 2021-06-18 | 2022-06-17 | multiphase electromagnetic relay |
| PCT/CN2022/099486 WO2022262851A1 (en) | 2021-06-18 | 2022-06-17 | Multi-phase electromagnetic relay |
| EP22824323.4A EP4358109A1 (en) | 2021-06-18 | 2022-06-17 | Multi-phase electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110678844.1A CN113611575A (en) | 2021-06-18 | 2021-06-18 | Multi-phase electromagnetic relay |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210970467.3A Division CN115497772A (en) | 2021-06-18 | 2021-06-18 | Multi-phase electromagnetic relay |
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| CN113611575A true CN113611575A (en) | 2021-11-05 |
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| CN202210970467.3A Pending CN115497772A (en) | 2021-06-18 | 2021-06-18 | Multi-phase electromagnetic relay |
| CN202110678844.1A Pending CN113611575A (en) | 2021-06-18 | 2021-06-18 | Multi-phase electromagnetic relay |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210970467.3A Pending CN115497772A (en) | 2021-06-18 | 2021-06-18 | Multi-phase electromagnetic relay |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262851A1 (en) * | 2021-06-18 | 2022-12-22 | 厦门宏发电力电器有限公司 | Multi-phase electromagnetic relay |
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2021
- 2021-06-18 CN CN202210970467.3A patent/CN115497772A/en active Pending
- 2021-06-18 CN CN202110678844.1A patent/CN113611575A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262851A1 (en) * | 2021-06-18 | 2022-12-22 | 厦门宏发电力电器有限公司 | Multi-phase electromagnetic relay |
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| Publication number | Publication date |
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| CN115497772A (en) | 2022-12-20 |
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