CN211208337U

CN211208337U - Double-layer three-phase relay with microswitch

Info

Publication number: CN211208337U
Application number: CN202020097845.8U
Authority: CN
Inventors: 王文波; 陈诚盛; 胡冲
Original assignee: Zhejiang Guangwei Electronics Co ltd
Current assignee: Zhejiang Guangwei Electronics Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-08-07
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to the technical field of relays, and aims to provide a double-layer three-phase relay with a microswitch, which comprises a base, wherein the base comprises an upper layer and a lower layer; the upper layer is provided with a contact system, and the lower layer is provided with an electromagnetic system; the electromagnetic system comprises an iron core and an armature assembly, wherein a rotating shaft perpendicular to the iron core is arranged on the armature assembly, and the armature assembly can rotate around the axis of the rotating shaft; the contact systems are arranged at intervals with the iron core along the axial direction of the rotating shaft, three groups of contact systems are arranged at intervals along the axial direction of the iron core, and each group of contact systems comprises a static piece assembly and a movable piece assembly; a transmission structure is arranged on one side of the electromagnetic system, the electromagnetic system can control the armature component to rotate after being electrified, and the armature component drives the stator component and the rotor component in the same group to contact or separate through the transmission structure; the utility model discloses a contact system's space is arranged rationally, the installation of being convenient for.

Description

Double-layer three-phase relay with microswitch

Technical Field

The utility model relates to a relay technical field, in particular to take micro-gap switch's double-deck three-phase relay.

Background

The magnetic latching relay is a novel relay which utilizes the magnetic principle to control the opening and the cutting of a circuit, the normally open state or the normally closed state of the magnetic latching relay is completely obtained from the action of permanent magnetic steel, and the switching of the switch state is completed by means of the triggering of pulse electric signals with certain width.

At present, a chinese patent document with an authorization publication number of CN206322647U in the prior art discloses a magnetic latching relay capable of resisting short-circuit current, the device includes a magnetic circuit system, a contact system and a pushing structure, a movable spring part includes a movable contact, a movable spring piece and a movable spring leading-out piece, the movable spring leading-out piece is arranged in a thickness direction of the movable spring piece and on one side deviating from the movable contact; the static spring part comprises a static contact, a static spring piece and a static spring leading-out piece, and the static spring leading-out piece is also arranged on one side of the movable spring piece in the thickness direction and away from the movable contact, so that the direction of current flowing through the static spring leading-out piece is opposite to the direction of current flowing through the movable spring piece; above-mentioned utility model can utilize the electromagnetic repulsion that two times of short-circuit current that forms produced at the movable contact spring to resist the electronic repulsion that one time of short-circuit current produced between moving, stationary contact jointly on the basis of the overall dimension that does not increase the product and the consumption that does not increase coil control part to improve greatly and move, the closed pressure of static contact, in order to resist short-circuit current and satisfy the requirement of product to simple structure, compactness and miniaturization.

When the three sets of contact systems are used in the above-mentioned device, each set of contact systems needs to be arranged in a direction away from the magnetic circuit system, which results in a large space occupied by the three sets of contact systems, and makes the device have a high requirement for the space of the installation location.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take micro-gap switch's double-deck three-phase relay, contact system's space is arranged rationally, the installation of being convenient for.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a double-layer three-phase relay with a microswitch comprises a base, wherein the base comprises an upper layer and a lower layer; the upper layer is provided with a contact system, and the lower layer is provided with an electromagnetic system; the electromagnetic system comprises an iron core and an armature assembly, wherein a rotating shaft perpendicular to the iron core is arranged on the armature assembly, and the armature assembly can rotate around the axis of the rotating shaft; the contact systems are arranged at intervals with the iron core along the axial direction of the rotating shaft, three groups of contact systems are arranged at intervals along the axial direction of the iron core, and each group of contact systems comprises a static piece assembly and a movable piece assembly; one side of the electromagnetic system is provided with a transmission structure, the armature component can be controlled to rotate after the electromagnetic system is electrified, and the armature component drives the stator component and the rotor component which are in the same group to contact or separate through the transmission structure.

By adopting the technical scheme, the device vertically layers the contact system and the electromagnetic system, and the electromagnetic system drives the contact system to change the state through the transmission structure so as to control the on-off of the circuit; the device carries on under the condition of three contact systems of group, rationally arranges contact system's overall arrangement for the spatial structure of this device is compacter, does not occupy too much space when the installation, is convenient for install.

The utility model discloses further set up to: the transmission structure comprises a sliding block and a control block, and the control block is positioned between the static sheet component and the dynamic sheet component; the movable hole has been seted up on the sliding block, be provided with the terminal connecting portion that enter into the movable hole on the armature subassembly, the armature subassembly can drive connecting portion and rotate and make the sliding block slide along the iron core axis direction in the movable hole, the sliding block slides and can drive the control block and move and make still subassembly and moving plate subassembly contact or separation along the iron core axis direction.

Through adopting above-mentioned technical scheme, it slides along iron core axis direction to drive the sliding block through armature subassembly revolute the axial rotation of rotation, and the control block slides through the sliding block and drives stator subassembly and rotor subassembly contact or the separation of organizing together, and transmission structure is simple, occupation space is little.

The utility model discloses further set up to: the static piece component comprises a static piece, and a static contact is arranged on the static piece; the movable contact piece assembly comprises a movable contact piece, a movable contact spring is arranged on the movable contact piece, and a movable contact point opposite to the position of the fixed contact point is arranged on the movable contact spring; the movable contact spring is arranged on the upper layer of the control block, the movable contact spring is arranged on the lower layer of the control block, the movable contact spring is arranged on the upper layer of the control block, and the movable contact spring is arranged on the lower layer of the control block.

Through adopting above-mentioned technical scheme, come control stator subassembly and moving plate subassembly contact or separation through the removal of movable contact spring, the control block presss from both sides the movable contact spring in pressing from both sides the inslot, prevents that the movable contact spring from breaking away from pressing from both sides the groove, makes the control block inefficacy.

The utility model discloses further set up to: a partition plate is arranged between the upper layer and the lower layer of the base.

Through adopting above-mentioned technical scheme, the stationary contact is contacted the back with the movable contact, and the contact system is electrically conductive and the condition that generates heat exists, and the setting of baffle has played thermal-insulated effect, prevents that the electromagnetic system from being heated and influencing normal operating.

The utility model discloses further set up to: the utility model discloses a quick-witted, including armature subassembly, splint, baffle, the both ends of pivot are located the armature subassembly outside and rotate respectively and connect in adjacent lantern ring inner wall, armature subassembly below is provided with splint, be provided with the lantern ring on splint and the baffle.

Through adopting above-mentioned technical scheme, make armature subassembly rotate between baffle and splint, improve armature subassembly's stability, prevent that armature subassembly from removing to lead to with the sliding block contact failure.

The utility model discloses further set up to: the base can be dismantled in lower floor's bottom and be connected with down the apron, splint both sides are provided with the fixture block, set up two draw-in grooves of joining in marriage with the fixture block grafting in the base, the splint face down the one end and the apron butt down of apron.

Through adopting above-mentioned technical scheme, the stability of armature subassembly is further improved to the solid fixed splint, prevents that splint drunkenness from driving armature subassembly and resulting in armature subassembly and sliding block bad contact.

The utility model discloses further set up to: a microswitch is arranged on the sliding track of the sliding block in the base, a contact piece is arranged on one side of the microswitch facing the sliding block, and when the sliding block slides towards one side and enables the static contact to be separated from the movable contact, one end of the sliding block facing the microswitch is in pressing contact with the contact piece and triggers the microswitch.

By adopting the technical scheme, the working state of the device is detected through the microswitch, and whether the magnetic circuit system fails or not is conveniently observed.

The utility model discloses further set up to: the base is provided with the upper cover plate in upper strata top, the both sides of upper cover plate are provided with the buckle, the base is provided with the pothook with buckle joint complex in the both sides of upper strata top.

Through adopting above-mentioned technical scheme, close the upper cover through the apron in order to protect this device is inside, dismantle the convenience between base and the upper cover plate simultaneously.

To sum up, the beneficial effects of the utility model are that:

1. the device layers the contact system and the electromagnetic system up and down, and the electromagnetic system drives the contact system to change the state through the transmission structure so as to control the on-off of the circuit; the device carries out reasonable arrangement on the layout of the contact systems under the condition of carrying three groups of contact systems, so that the device has a more compact spatial structure, does not occupy too much space during installation and is convenient to install;

2. the working state of the device is detected through the micro switch, and whether the magnetic circuit system fails or not is conveniently observed.

Drawings

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

fig. 2 is an exploded schematic view of the present invention;

fig. 3 is a schematic structural diagram of an electromagnetic system of the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 2;

fig. 5 is a schematic diagram of the transmission structure and the armature assembly of the present invention;

fig. 6 is a schematic structural view of the contact system of the present invention;

fig. 7 is a schematic structural diagram of the upper layer of the present invention;

fig. 8 is a partial structural view of the lower layer of the present invention;

fig. 9 is an enlarged schematic view at B in fig. 8.

Reference numerals: 1. a base; 11. an upper layer; 12. a lower layer; 13. a partition plate; 14. an upper cover plate; 15. a lower cover plate; 151. buckling; 16. a hook; 17. a card slot; 2. a wire frame; 21. an iron core; 22. a yoke piece; 3. an armature assembly; 31. magnetic I-steel; 32. a rotating shaft; 33. a connecting portion; 4. a splint; 41. a collar; 42. a clamping block; 5. a stator assembly; 51. a static contact piece; 52. a stationary contact; 6. a rotor assembly; 61. a movable contact spring; 62. a movable contact; 63. a movable contact spring; 71. a slider; 711. a movable hole; 72. a control block; 721. a clamping groove; 8. a microswitch; 81. an elastic contact piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a double-layer three-phase relay with a microswitch, as shown in fig. 1 and fig. 2, comprising a base 1, wherein the base 1 comprises an upper layer 11 and a lower layer 12 (see fig. 8); the upper layer 11 is provided with a contact system and the lower layer 12 with an electromagnetic system.

As shown in fig. 2 and 7, a partition plate 13 is integrally formed between the upper layer 11 and the lower layer 12 (see fig. 8) of the base 1, so that the base has a heat insulation effect and protects an electromagnetic system; base 1 can dismantle in upper 11 tops and be connected with upper cover plate 14, can dismantle in 12 bottoms of lower floor and be connected with down apron 15, and upper cover plate 14 has buckle 151 with the both sides of apron 15 respectively integrated into one piece down, and base 1 has in the equal integrated into one piece in both sides of 11 tops of upper strata, 12 bottoms of lower floor has with buckle 151 joint complex pothook 16.

As shown in fig. 3, the electromagnetic system includes a wire frame 2 for winding a copper wire, and an armature assembly 3, wherein an iron core 21 penetrates through the wire frame 2, two ends of the iron core 21 are respectively located at the outer side of the wire frame 2, and yoke pieces 22 are detachably connected to the ends of the iron core 21, the armature assembly 3 includes a magnetic i-steel 31, two sides of the magnetic i-steel 31 have polarities, one ends of the two yoke pieces 22, which are far away from the iron core 21, are respectively located at two sides of the magnetic i-steel 31, a rotating shaft 32 perpendicular to the iron core 21 is fixedly penetrated on the magnetic i-steel 31, when the copper wire on the wire frame 2 is energized, the yoke pieces 22 at two ends of the iron core 21 generate a magnetic field and form positive and negative poles, and the armature assembly 3.

As shown in fig. 2 and 4, a clamping plate 4 is detachably connected to the base 1 below the armature assembly 3, a collar 41 is integrally formed on the clamping plate 4 and the partition plate 13 (see fig. 7), and two ends of the rotating shaft 32 are located outside the armature assembly 3 and are respectively rotatably connected to the inner walls of the adjacent collars 41.

As shown in fig. 4 and 9, two sides of the clamping plate 4 are integrally formed with a clamping block 42, two clamping grooves 17 inserted into the clamping block 42 are formed in the base 1, and one end of the clamping plate 4 facing the lower cover plate 15 (see fig. 2) is abutted to the lower cover plate 15; for improving the stability of the armature assembly 3 when rotating within the base 1.

As shown in fig. 5 and 6, the contact systems are spaced from the iron core 21 (see fig. 2) along the axial direction of the rotating shaft 32, three groups of contact systems are spaced from each other along the axial direction of the iron core 21, each group of contact system includes the stator assembly 5 and the rotor assembly 6, and the stator assembly 5 and the rotor assembly 6 in the same group are spaced from each other along the axial direction of the iron core 21.

As shown in fig. 2 and 6, the static piece assembly 5 comprises a static piece 51 detachably connected to the upper layer 11 of the base 1, one end of the static piece 51 extends to the outside of the base 1, and a static contact 52 is fixedly connected to the part of the static piece 51 located in the base 1; the movable contact piece assembly 6 comprises a movable contact piece 61 detachably connected to the upper layer 11 of the base 1, one end of the movable contact piece 61 extends to the outer side of the base body 1, a movable contact spring 63 is fixedly connected to the part, located in the base body 1, of the movable contact piece 61, and a movable contact 62 opposite to the fixed contact 52 is fixedly connected to the movable contact spring 63.

As shown in fig. 5 and 6, a transmission structure is arranged on one side of the electromagnetic system, the electromagnetic system can control the armature assembly 3 to rotate after being electrified, and the armature assembly 3 drives the stator assembly 5 and the rotor assembly 6 in the same group to contact or separate through the transmission structure; the transmission structure comprises a sliding block 71 and a control block 72, wherein the sliding block 71 and the control block 72 are integrally formed, and the sliding block 71 can slide to drive the control block 72 to move along the axial direction of the iron core 21 (see fig. 2) and make the static piece assembly 5 contact with or separate from the dynamic piece assembly 6.

As shown in fig. 5 and 6, a movable hole 711 is formed in the sliding block 71, a connection portion 33 whose end enters the movable hole 711 is fixedly connected to the armature assembly 3, and the armature assembly 3 can drive the connection portion 33 to rotate in the movable hole 711 and make the sliding block 71 slide along the axial direction of the iron core 21 (see fig. 2); the control block 72 is provided with three groups and is respectively positioned between the static plate assembly 5 and the dynamic plate assembly 6 in the same group; one end of the control block 72 is located on the upper layer 11 (see fig. 2), a clamping groove 721 is formed in the middle of one end of the control block 72 located on the upper layer 11, and the tail end of the adjacent movable contact spring 63 is in pressing contact with the inner walls of two opposite sides of the clamping groove 721 to prevent the movable contact spring 63 from falling off the control block 72; the armature component 3 rotates around the axial direction of the rotating shaft 32 to drive the sliding block 71 to slide along the axial direction of the iron core 21, the control block 72 drives the stator component 5 and the rotor component 6 in the same group to contact or separate through the sliding of the sliding block 71, and the transmission structure has a compact layout and a simple structure while playing a transmission role.

As shown in fig. 6 and 8, a micro switch 8 is detachably connected to a sliding track of the sliding block 71 in the base 1, an elastic contact piece 81 is fixedly connected to one side of the micro switch 8 facing the sliding block 71, when the sliding block 71 slides to one side and separates the stationary contact 52 from the movable contact 62, one end of the sliding block 71 facing the micro switch 8 is in pressing contact with the elastic contact piece 81 to trigger the micro switch 8, the operating state of the device is detected by the micro switch 8, and whether the magnetic circuit system fails or not is conveniently observed.

The specific operation flow of this embodiment is as follows:

after the copper wires on the coil holder 2 are electrified, the iron core 21 generates a magnetic field and positive and negative poles are formed at two ends of the iron core 21, the polarities of the yoke pieces 22 at the two ends of the iron core 21 are the same as those of the two sides of the magnetic I-steel 31, the armature assembly 3 rotates under the action of the magnetic field, the armature assembly 3 drives the sliding block 71 and the control block 72 to move along the axial direction of the iron core 21 together through the connecting part 33, and the three groups of control blocks 72 enable the originally separated static contacts 52 of the same group to be in contact with the movable contact 61; the microswitch 8 can monitor the state of the device.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a take micro-gap switch's double-deck three-phase relay, includes base (1), its characterized in that: the base (1) comprises an upper layer (11) and a lower layer (12); the upper layer (11) is provided with a contact system, and the lower layer (12) is provided with an electromagnetic system; the electromagnetic system comprises an iron core (21) and an armature assembly (3), wherein a rotating shaft (32) perpendicular to the iron core (21) is arranged on the armature assembly (3), and the armature assembly (3) can rotate around the axis of the rotating shaft (32); the contact systems are arranged at intervals with the iron core (21) along the axial direction of the rotating shaft (32), three groups of contact systems are arranged at intervals along the axial direction of the iron core (21), and each group of contact systems comprises a static piece assembly (5) and a movable piece assembly (6); one side of the electromagnetic system is provided with a transmission structure, the armature component (3) can be controlled to rotate after the electromagnetic system is electrified, and the armature component (3) drives the stator component (5) and the rotor component (6) which are in the same group to contact or separate through the transmission structure.

2. The double-layer three-phase relay with the micro switch as claimed in claim 1, wherein: the transmission structure comprises a sliding block (71) and a control block (72), and the control block (72) is positioned between the static piece assembly (5) and the dynamic piece assembly (6); the movable hole (711) has been seted up on sliding block (71), be provided with terminal connecting portion (33) that enter into in movable hole (711) on armature subassembly (3), armature subassembly (3) can drive connecting portion (33) and slide in iron core (21) axis direction in movable hole (711) internal rotation and make sliding block (71), sliding block (71) slip can drive control block (72) and move and make still subassembly (5) and rotor subassembly (6) contact or separation along iron core (21) axis direction.

3. The double-layer three-phase relay with the micro switch as claimed in claim 2, wherein: the static piece assembly (5) comprises a static piece (51), and a static contact (52) is arranged on the static piece (51); the moving contact piece assembly (6) comprises a moving contact piece (61), a moving contact spring (63) is arranged on the moving contact piece (61), and a moving contact (62) opposite to the fixed contact (52) is arranged on the moving contact spring (63); the three control blocks (72) are arranged in total, one end of each control block (72) is located on the upper layer (11), a clamping groove (721) is formed in the middle of one end, located on the upper layer (11), of each control block (72), and the tail ends of the adjacent movable contact springs (63) are in pressing contact with the inner walls of two opposite sides of the clamping grooves (721).

4. The double-layer three-phase relay with the micro switch as claimed in claim 1, wherein: a partition plate (13) is arranged between the upper layer (11) and the lower layer (12) of the base (1).

5. The double-layer three-phase relay with the micro switch as claimed in claim 4, wherein: armature subassembly (3) below is provided with splint (4), be provided with lantern ring (41) on splint (4) and baffle (13), the both ends of pivot (32) are located armature subassembly (3) outside and rotate respectively and connect in adjacent lantern ring (41) inner wall.

6. The double-layer three-phase relay with the micro switch as claimed in claim 5, wherein: the base (1) can be dismantled in lower floor (12) bottom and be connected with lower apron (15), splint (4) both sides are provided with fixture block (42), set up two draw-in grooves (17) of joining in marriage with fixture block (42) are pegged graft in base (1), splint (4) face down the one end and the lower apron (15) butt of apron (15).

7. The double-layer three-phase relay with the micro switch as claimed in claim 2, wherein: a microswitch (8) is arranged on a sliding track of a sliding block (71) in the base (1), an elastic contact piece (81) is arranged on one side, facing the sliding block (71), of the microswitch (8), and when the sliding block (71) slides towards one side and enables the fixed contact (52) and the movable contact (62) to be separated, one end, facing the microswitch (8), of the sliding block (71) is in pressing contact with the elastic contact piece (81) and triggers the microswitch (8).

8. The double-layer three-phase relay with the micro switch as claimed in claim 1, wherein: the base (1) is provided with upper cover plate (14) at upper strata (11) top, the both sides of upper cover plate (14) are provided with buckle (151), base (1) is provided with in the both sides at upper strata (11) top with buckle (151) joint complex pothook (16).