CN216133829U

CN216133829U - High-insulation relay

Info

Publication number: CN216133829U
Application number: CN202122872873.XU
Authority: CN
Inventors: 杨勇; 张洪波
Original assignee: Shenzhen Yiruilai Technology Co ltd
Current assignee: Shenzhen Yiruilai Technology Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-03-25
Anticipated expiration: 2031-11-23

Abstract

The utility model provides a high-insulation relay, which comprises a base, wherein an electromagnetic coil assembly is arranged on the base, a movable terminal assembly is arranged on one side of the electromagnetic coil assembly, a static terminal assembly is arranged below the movable terminal assembly, the electromagnetic coil assembly comprises a coil frame, a coil terminal, a coil, an iron core and a yoke, the coil terminal is arranged at the bottom of the coil frame, the coil is wound on the coil frame, the iron core penetrates through the coil frame, the yoke is arranged on one side of the coil, an insulating sheet is arranged between the yoke and the coil, the insulating sheet is clamped on the coil frame, and a restoring spring sheet is clamped at the upper end of the yoke. According to the utility model, the insulating sheet is arranged between the yoke iron and the coil, so that the insulating distance between the coil and the yoke iron is increased, the insulating property of the relay can be improved under the condition of not increasing the volume of the relay, the higher load application requirement can be met, the stability of the product is good, and the overall structure is simple.

Description

High-insulation relay

Technical Field

The utility model relates to the technical field of relays, in particular to a high-insulation relay.

Background

The basic principle of a relay is to use a smaller current, a lower voltage to control a larger current and a higher voltage. With the market demand, the load voltage requirement of the relay is higher, and the creepage distance (high creepage distance) and the electrical clearance requirement of the relay are stricter. The existing relay is generally in a transverse layout, and along with the miniaturization of electrical equipment, the structure of the transverse layout is not compact enough, the connection is complex, the load voltage which can be switched is small, the requirement of high-power voltage switching cannot be met, and the requirement of high insulating property (high creepage distance) cannot be met, so that the miniaturization of products cannot be achieved under the condition of meeting the product performance requirement. In order to meet the insulation performance, an insulation plastic part is generally arranged between the input measuring coil and the output measuring contact through increasing the armature and the movable spring, but the size of the insulation plastic part is limited due to limited product space, the insulation distance is increased limitedly, the size of a product needs to be increased for the application of high voltage (load), the requirement of product miniaturization is difficult to meet, and the stability performance of the product is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-insulation relay, which effectively solves the technical problems of poor insulation performance, small load power, complex product structure, larger product volume, poor product stability and the like of the conventional relay in a limited space.

The utility model provides a high-insulation relay, which comprises a base, wherein an electromagnetic coil assembly is arranged on the base, a movable terminal assembly for opening and closing a load is arranged on one side of the electromagnetic coil assembly, a static terminal assembly for outputting the load is arranged below the movable terminal assembly, the electromagnetic coil assembly comprises a coil frame, a coil terminal, a coil, an iron core and a yoke, the coil terminal is arranged at the bottom of the coil frame, the coil is wound on the coil frame, the iron core penetrates through the coil frame, the yoke is arranged on one side of the coil, an insulating sheet is arranged between the yoke and the coil, the insulating sheet is clamped on the coil frame, and a restoring elastic sheet is clamped at the upper end of the yoke.

Preferably, the insulating piece include the insulating piece body, be equipped with horizontal joint strip at the upper end of insulating piece body and/or lower extreme, horizontal joint strip and insulating piece body fixed connection.

Preferably, the insulating piece include vertical joint strip, vertical joint strip set up the left side and/or the right side at the insulating piece body, vertical joint strip and insulating piece body fixed connection.

Preferably, the top of the horizontal joint strip of insulating piece be equipped with the arch, the arch be located the one end or both ends of horizontal joint strip, arch and insulating piece body be located the coplanar.

Preferably, the yoke include L type yoke body, be equipped with the recess in the top of yoke body, the shell fragment that recovers include vertical limit and horizontal limit, vertical limit and horizontal limit mutually perpendicular be connected, vertical edge be equipped with the protruding piece that is the type of falling L, the one end and the vertical limit fixed connection of protruding piece, the other end is unsettled, protruding piece on be equipped with the buckle piece, buckle piece one end and protruding piece fixed connection, the other end is unsettled, buckle piece joint in the recess of yoke body.

Preferably, the vertical edge of the restoring spring plate is inserted between the yoke and the base, an included angle between the buckling piece and the protruding piece is an acute angle, and an included angle between the protruding piece and the vertical edge is an acute angle.

Preferably, the coil former include bottom plate, vertical piece and last roof, vertical piece set up between bottom plate and last roof, vertical piece axle center position on be equipped with the vacant cavity, a side border position of bottom plate and/or last roof is equipped with the recess of joint insulating piece, the iron core set up in the vacant cavity of vertical piece, the coil coiling in the vertical piece outside.

Preferably, the bottom surface of the lower bottom plate of the coil rack is provided with a first convex rib or a first groove, the base is provided with a second groove or a second convex rib, and the second groove or the second convex rib is matched with the first convex rib or the first groove.

Preferably, the movable terminal component comprises an armature, a rivet, an insulating table, a connecting sheet, a movable spring, a bridging sheet and a movable contact, the armature is fixed on the insulating table through the rivet, the movable contact penetrates through the bridging sheet and is fixed on the movable spring, the movable spring is fixed on the connecting sheet, the connecting sheet is fixed below the insulating table, and the connecting sheet is not connected with the armature.

Preferably, the fixed terminal assembly comprises a fixed terminal body and a fixed contact, the fixed contact is fixed above the fixed terminal assembly, and the fixed terminal body is fixed on the base.

The utility model provides a high-insulation relay, which is characterized in that an insulation sheet is arranged between a yoke iron and a coil, so that the insulation distance between the coil and the yoke iron is increased, the insulation property of the relay can be improved under the condition of not increasing the volume of the relay, and higher load application requirements can be met; the lower bottom plate and/or the upper top plate of the coil frame are/is provided with the grooves, and the upper end and/or the lower end of the insulating sheet body are/is provided with the transverse clamping strips, so that the insulating sheet can be clamped on the coil frame, the insulativity of the yoke and the coil can be improved, the assembly and disassembly are easy, and the whole structure is simple; the insulating sheets are arranged in various different structures and can be arranged according to the assembly requirements of products; the first convex rib or the first groove or the second convex rib are arranged in a matching manner, so that cross assembly can be performed, and the creepage distance between the coil and the yoke iron is increased; the restoring spring plate is directly matched with the yoke iron for assembly, the restoring degree of the armature iron can be stabilized, the stability of a product is improved, and the overall structure is simple.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. A solenoid assembly, a movable terminal assembly for opening and closing the load and arranged at one side of the solenoid assembly, and a static terminal assembly for outputting the load and arranged below the movable terminal assembly

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the cut-away structure A-A of the present invention.

Fig. 3 is an exploded view of the overall structure of the present invention.

Fig. 4 is a schematic view of the overall structure of the solenoid assembly of the present invention.

Fig. 5 is an exploded view of the solenoid assembly of the present invention.

FIG. 6 is a schematic view of the cut-away structure of the present invention B-B.

Fig. 7 is an exploded view of the movable terminal assembly of the present invention.

Fig. 8 is a schematic view of the static terminal assembly of the present invention.

Fig. 9 is a schematic view of the structure of the yoke of the present invention.

Fig. 10 is a schematic view of the restoring spring sheet structure of the present invention.

Fig. 11 is a schematic view of an insulating sheet according to an embodiment of the present invention.

Fig. 12 is a schematic structural diagram of a second insulating sheet according to an embodiment of the utility model.

Fig. 13 is a schematic structural view of three insulating sheets according to an embodiment of the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Detailed description of the preferred embodiment

As shown in fig. 1 to 3, the present invention provides a high-insulation relay, which includes a base 1, a solenoid assembly 2 mounted on the base, a movable terminal assembly 3 mounted on one side of the solenoid assembly for opening and closing a load, and a stationary terminal assembly 4 mounted below the movable terminal assembly for outputting a load. The embodiment provides a vertical high-insulation relay, a base of which is an assembly base of parts, an electromagnetic coil assembly is used for generating electromagnetic force and attracting an armature to do rotary motion to an iron core, a static terminal assembly is used for outputting a load, and a movable terminal assembly is a moving part and used for transmitting the electromagnetic force and controlling the opening and closing of the load.

The electromagnetic coil assembly comprises a coil frame 21, the coil frame comprise a lower bottom plate 211, a vertical block 212 and an upper top plate 213, the vertical block is arranged between the lower bottom plate and the upper top plate, the lower bottom plate, the vertical block and the upper top plate are mutually connected to form an I-shaped structure, a coil 23 is wound on the outer side of the vertical block and used for generating electromagnetic force, the coil is formed by winding an enameled wire, a vacant cavity 214 is formed in the axis position of the vertical block, an iron core 24 used for magnetic conduction is inserted in the vacant cavity, a groove 215 for clamping is formed in the edge position of one side of the lower bottom plate and/or the upper top plate, a coil terminal 22 connected with the coil is arranged on the ground of the lower bottom plate, and the coil terminal is used for inputting control current. In this embodiment, a first protruding rib 216 is arranged on the bottom surface of the lower bottom plate 211 of the coil former, a second groove is arranged on the base, the first protruding rib is clamped in the second groove, and the first protruding rib and the second groove are matched.

Be equipped with yoke 25 in one side of coil, yoke and coil between be equipped with insulating piece 26, the setting of insulating piece can increase the insulation distance between yoke and the coil, the lower plate of insulating piece and coil former and/or the joint of going up the top plate, yoke upper end joint have and restore shell fragment 27.

In this embodiment, insulating piece 26 include insulating piece body 261, the height phase-match of the height of insulating piece body and coil former, the width phase-match of insulating piece body rather than the width phase-match of adjacent coil is equipped with horizontal joint strip 262 in the upper end and/or the lower extreme of insulating piece body, horizontal joint strip and insulating piece body fixed connection. The horizontal joint strip and insulating piece body mutually perpendicular, horizontal joint strip joint in the groove of the lower plate of coil former and/or last roof.

Yoke 25 include L type yoke body 251, the insulating piece setting between yoke body inside wall and coil outer wall, be equipped with recess 252 in the top of yoke body, the shell fragment 27 that recovers include vertical limit 271 and horizontal limit 272, vertical limit and horizontal limit mutually perpendicular be connected, vertical edge be equipped with and be the protruding piece 273 of the type of falling L, the one end and the vertical limit fixed connection of protruding piece, the other end is unsettled, protruding piece on be equipped with buckle piece 274, buckle piece one end and protruding piece fixed connection, the other end is unsettled, buckle piece joint in the recess of yoke body, the shape, the size of buckle piece match with the recess of yoke body. The vertical edge of the restoring spring plate is inserted between the yoke and the base, an included angle between the buckling piece and the protruding piece is an acute angle, and an included angle between the protruding piece and the vertical edge is an acute angle. The reset spring plate presses the armature to reset the position of the armature, and after the coil is powered off, the contact and the load are disconnected.

The movable terminal component 3 comprises an armature 31, a rivet 32, an insulation table 33, a connecting piece 34, a movable spring 35, a bridging piece 36 and a movable contact 37, wherein the armature is fixed on the insulation table through the rivet, the movable contact penetrates through the bridging piece and is fixed on the movable spring, the movable spring is fixed on the connecting piece, the connecting piece is fixed below the insulation table, and the connecting piece is not connected with the armature. The armature is mainly used for conducting magnetism and driving the moving contact to move, the rivet is used for being connected with an armature insulating table, the insulating table can increase the input and output insulating distance, the connecting piece is used for being connected with the insulating table and a movable spring, the movable spring is connected with the moving contact to generate elasticity and pressure, the bridging piece is used for being connected with the moving contact and the movable spring, and the moving contact is connected with the fixed contact and used for opening or closing the load.

The above-mentioned stationary terminal assembly 4 includes a stationary terminal body 41 and a stationary contact 42, the stationary contact is fixed above the stationary terminal assembly, and the stationary terminal body is fixed on the base. The fixed terminal is connected with the movable contact and is used for opening or closing the load.

Detailed description of the utility model

Compared with the first specific embodiment, the second specific embodiment mainly has the following different technical schemes: in this embodiment, insulating piece 26 still include vertical joint strip 263, vertical joint strip is the L type, vertical joint strip set up the left side and/or the right side at the insulating piece body, vertical joint strip and the perpendicular fixed connection of insulating piece body. The insulation distance between the yoke iron and the coil can be further enhanced through the arrangement of the longitudinal clamping bars.

Detailed description of the preferred embodiment

Compared with the first embodiment and the second embodiment, the third embodiment mainly adopts the following different technical schemes:

in this embodiment, insulating piece 26 the top of the horizontal joint strip of insulating piece be equipped with protruding 264, the arch be located the one end or both ends of horizontal joint strip, protruding and insulating piece body be located the coplanar. The convex arrangement is convenient for being connected with the coil rack, and the installation of the insulating sheet is more convenient.

Detailed description of the utility model

Compared with the first specific embodiment, the third specific embodiment mainly adopts the following different technical schemes:

in this embodiment, a first groove is formed in the bottom surface of the lower bottom plate 211 of the coil frame, a second protruding rib is arranged on the base, the second protruding rib is clamped in the first groove, and the second protruding rib and the first groove are arranged in a matched mode, so that the electromagnetic coil assembly and the base can be conveniently mounted and assembled.

While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the utility model. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A high insulation relay, its characterized in that: including base (1), install solenoid assembly (2) on the base, install movable terminal subassembly (3) of switching load in solenoid assembly one side, install static terminal subassembly (4) of output load below movable terminal subassembly, solenoid assembly include coil former (21), coil terminal (22), coil (23), iron core (24) and yoke (25), the coil terminal set up the bottom at the coil former, the coil coiling on the coil former, coil former inside wear to be equipped with the iron core, the yoke set up in coil one side, yoke and coil between be equipped with insulating piece (26), the insulating piece joint on the coil former, yoke upper end joint have and restore shell fragment (27).

2. The high-insulation relay according to claim 1, wherein: insulating piece (26) including insulating piece body (261), be equipped with horizontal joint strip (262) in the upper end of insulating piece body and/or lower extreme, horizontal joint strip and insulating piece body fixed connection.

3. The high-insulation relay according to claim 2, wherein: insulating piece (26) including vertical joint strip (263), vertical joint strip set up the left side and/or the right side at the insulating piece body, vertical joint strip and insulating piece body fixed connection.

4. The high-insulation relay according to claim 3, wherein: the top of the horizontal joint strip of insulating piece (26) be equipped with arch (264), the arch be located the one end or both ends of horizontal joint strip, arch and insulating piece body be located the coplanar.

5. The high-insulation relay according to claim 1, wherein: yoke (25) include L type yoke body (251), be equipped with recess (252) in the top of yoke body, restore shell fragment (27) including vertical limit (271) and horizontal limit (272), vertical limit and horizontal limit interconnect, vertical edge be equipped with and be the protruding piece (273) of falling L type, the one end and the vertical limit fixed connection of protruding piece, the other end is unsettled, protruding piece on be equipped with buckle piece (274), buckle piece one end and protruding piece fixed connection, the other end is unsettled, buckle piece joint in the recess of yoke body.

6. The high-insulation relay according to claim 5, wherein: the vertical edge of the restoring elastic sheet is inserted between the yoke and the base, an included angle between the buckling sheet and the protruding sheet is an acute angle, and an included angle between the buckling sheet and the protruding sheet and the vertical edge is an acute angle.

7. The high-insulation relay according to any one of claims 1 to 6, wherein: coil former (21) include lower plate (211), vertical piece (212) and go up roof (213), vertical piece set up between lower plate and last roof, vertical piece axle center position on be equipped with vacant chamber (214), be equipped with recess (215) of joint insulating piece in one side border position of lower plate and/or last roof, the iron core set up in the vacant intracavity of vertical piece, the coil coiling in the vertical piece outside.

8. The high-insulation relay according to claim 7, wherein: the bottom surface of the lower bottom plate of the coil rack is provided with a first convex rib (216) or a first groove, the base is provided with a second groove or a second convex rib, and the second groove or the second convex rib is matched with the first convex rib or the first groove.

9. The high-insulation relay according to any one of claims 1 to 6, wherein: the movable terminal component (3) comprises an armature (31), a rivet (32), an insulating table (33), a connecting piece (34), a movable spring piece (35), a bridging piece (36) and a movable contact (37), wherein the armature is fixed on the insulating table through the rivet, the movable contact penetrates through the bridging piece and is fixed on the movable spring piece, the movable spring piece is fixed on the connecting piece, the connecting piece is fixed below the insulating table, and the connecting piece is not connected with the armature.

10. The high-insulation relay according to any one of claims 1 to 6, wherein: the static terminal assembly (4) comprises a static terminal body (41) and a static contact (42), wherein the static contact is fixed above the static terminal assembly, and the static terminal body is fixed on the base.