CN214378258U - Relay with high voltage resistance value - Google Patents

Abstract

The utility model discloses a relay with high voltage resistance value, which comprises a shell, a base, an electromagnet assembly, an armature, an elastic sheet, a stationary contact and a movable contact, wherein a stationary spring and a movable spring are fixed on one side of the base in parallel; the electromagnet assembly is fixed on the other side of the base, an installation positioning plate and an isolation limiting plate are arranged between the electromagnet assembly and the movable reed, and a pushing clamp is arranged on the isolation limiting plate; the armature is L-shaped, one end of the armature is abutted against the surface of the pushed plate, the other end of the armature is positioned above the electromagnet assembly, the armature is erected on the electromagnet assembly, and a clamping groove is formed in one side, facing the pushing card, of the armature; the casing cover is established on the base, is equipped with the division board in the casing, the division board stretches into in the last spacing groove, quiet reed, movable reed and reed support all are located the homonymy of division board. The utility model discloses the relay of high withstand voltage value who obtains has improved the withstand voltage performance of relay, has further improved the security and the reliability of relay.

Description

Relay with high voltage resistance value

Technical Field

The utility model relates to a relay, especially a relay of high withstand voltage value.

Background

The relay is used as an element for electrical isolation, plays a key role in the safe use of electrical equipment, needs a relay with a high voltage resistance value in order to adapt to electrical equipment with high current, high voltage and high power, and meanwhile, in the prior art, isolation is often lacked between a coil and a contact of a control end, when the conditions such as overload and short circuit occur, and when an electric arc is generated on a high-voltage contact, the phenomenon of arc splashing often occurs, so that the coil part is damaged, even the phenomena of breakdown and short circuit are caused, and therefore safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a relay of high withstand voltage value of high pressure resistant, splashproof arc in order to solve above-mentioned prior art not enough.

In order to achieve the above object, the utility model relates to a relay with high withstand voltage value, which comprises a shell, a base, an electromagnet assembly, an armature, an elastic sheet, a static contact and a movable contact, wherein a static spring and a movable spring are fixed on one side of the base in parallel, the static contact is arranged at one end of the static spring far away from the base, and the movable contact is arranged at one end of the movable spring far away from the base; the electromagnetic assembly is fixed on the other side of the base, an installation positioning plate and an isolation limiting plate are arranged between the electromagnetic assembly and the movable reed, a push card is arranged on the isolation limiting plate and comprises a reed support, a connecting plate and a pushed plate, the reed support and the pushed plate are connected through the connecting plate, an upper limiting groove and a lower limiting groove are formed between the reed support and the pushed plate, the isolation limiting plate extends into the lower limiting groove and abuts against the lower part of the connecting plate, an installation groove is formed between the isolation limiting plate and the installation positioning plate, and the lower end of the pushed plate extends into the installation groove; the armature is L-shaped, one end of the armature is abutted against the surface of the pushed plate, the other end of the armature is positioned above the electromagnet assembly, the armature is erected on the electromagnet assembly, and a clamping groove is formed in one side, facing the pushing card, of the armature; one end of the elastic sheet is fixed on the side surface of the electromagnet assembly, and the other end of the elastic sheet is provided with a hooked rebounding section which penetrates through the clamping groove and then is pressed on the armature; the casing cover is established on the base, is equipped with the division board in the casing, the division board stretches into in the last spacing groove, quiet reed, movable reed and reed support all are located the homonymy of division board.

In order to facilitate installation and positioning, the electromagnet assembly comprises a framework, an iron core, a coil and a yoke, the framework is fixed on the base, a groove is formed between the framework and the base, the yoke is fixed on the base and comprises a supporting part fixedly connected with the elastic sheet and a positioning part extending into the groove, the top end of the supporting part is abutted to the folding angle of the armature, a mounting hole is further formed in the framework, the iron core is inserted into the mounting hole, one end of the iron core is connected with the positioning part of the yoke after penetrating through the mounting hole, and the coil is wound on the framework so as to surround the iron core.

The utility model discloses the relay of high withstand voltage value that obtains, through the promotion card that sets up H shape, set up the installation locating plate and keep apart the limiting plate on the base, and set up the division board in the casing, the creepage distance and the electric clearance between coil to the sound contact have been increased, the division board still plays the effect that prevents electric arc and splash simultaneously, thereby the withstand voltage performance of relay has been improved, in actual work, withstand voltage value can reach more than 4000V, insulating effect is reliable and stable, the security and the reliability of relay have further been improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment 1 of the relay with a high withstand voltage value according to the present invention;

fig. 2 is a schematic structural diagram of relay embodiment 2 with a high withstand voltage value according to the present invention.

In the figure: the electromagnetic coil spring comprises a shell 1, a base 2, an electromagnet assembly 3, an armature 4, an elastic sheet 5, a fixed contact 6, a movable contact 7, a pushing card 8, a mounting positioning plate 10, an isolation limiting plate 11, a mounting groove 12, an isolation plate 13, a framework 30, an iron core 31, a coil 32, a yoke 33, a clamping groove 40, a rebound section 50, a fixed spring 60, a movable spring 70, a spring support 80, a connecting plate 81, a pushed plate 82, an upper limiting groove 83, a lower limiting groove 84, a groove 300, a mounting hole 301, a supporting part 330 and a positioning part 331.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

the relay with high withstand voltage value described in this embodiment, as shown in fig. 1, includes a housing 1, a base 2, an electromagnet assembly 3, an armature 4, an elastic sheet 5, a fixed contact 6, and a movable contact 7, wherein a fixed spring 60 and a movable spring 70 are fixed in parallel on one side of the base 2, the fixed contact 6 is disposed at one end of the fixed spring 60 away from the base 2, and the movable contact 7 is disposed at one end of the movable spring 70 away from the base 2; the electromagnetic component 3 is fixed on the other side of the base 2, an installation positioning plate 10 and an isolation positioning plate 11 are arranged between the electromagnetic component 3 and the movable reed 70, a push card 8 is arranged on the isolation positioning plate 11, the push card 8 comprises a reed support 80, a connecting plate 81 and a pushed plate 82, the reed support 80 and the pushed plate 82 are connected through the connecting plate 81, an upper limiting groove 83 and a lower limiting groove 84 are formed between the reed support 80 and the pushed plate 82, the isolation positioning plate 11 extends into the lower limiting groove 84 and is propped below the connecting plate 81, an installation groove 12 is formed between the isolation positioning plate 11 and the installation positioning plate 10, and the lower end of the pushed plate 82 extends into the installation groove 12; the armature 4 is L-shaped, one end of the armature 4 is abutted against the surface of the pushed plate 82, the other end of the armature 4 is positioned above the electromagnet assembly 3, the armature 4 is erected on the electromagnet assembly 3, and a clamping groove 40 is arranged on one side of the armature 4 facing the pushing card 8; one end of the elastic sheet 5 is fixed on the side surface of the electromagnet assembly 3, and the other end of the elastic sheet is provided with a hooked rebound section 50, wherein the rebound section 50 penetrates through the clamping groove 40 and then is pressed on the armature 4; the shell 1 is covered on the base 2, the partition plate 13 is arranged in the shell 1, the partition plate 13 extends into the upper limiting groove 83, and the static reed 60, the movable reed 70 and the reed support 80 are all located on the same side of the partition plate 13.

In the actual working process, the reed support 80, the connecting plate 81 and the pushed plate 82 of the push card 8 form an H shape, so that the creepage distance of the coil to finally reach the movable reed 70 through the armature 4 and the push card 8 is increased, and meanwhile, the action side where the movable contact 7 and the fixed contact 6 are located is isolated from the control side where the coil iron core is located by the isolation plate 13 in the shell 1, so that the electric gap between the two is increased, and the phenomenon that the control side is damaged by arc splashing when the arc appears at the action side can be prevented.

The high withstand voltage value's that this embodiment provided relay through the promotion card 8 that sets up the H shape, sets up installation locating plate 10 and keep apart limiting plate 11 on base 2 to and set up division board 13 in casing 1, increased creepage distance and the electric clearance between coil to sound contact 6, division board 13 still plays the effect that prevents electric arc and splash simultaneously, thereby has improved the withstand voltage performance of relay, further improved the security and the reliability of relay.

Example 2:

as shown in fig. 2, the relay with high withstand voltage value described in this embodiment is different from that described in embodiment 1 in that, for convenience of installation and positioning, the electromagnet assembly 3 includes a frame 30, an iron core 31, a coil 32, and a yoke 33, the frame 30 is fixed on the base 2, a groove 300 is provided between the frame 30 and the base 2, the yoke 33 is fixed on the base 2 and includes a supporting portion 330 fixedly connected with the spring 5 and a positioning portion 331 extending into the groove 300, a top end of the supporting portion 330 abuts against a corner of the armature 4, the frame 30 is further provided with an installation hole 301, the iron core 31 is inserted into the installation hole 301, one end of the iron core 31 passes through the installation hole 301 and then is connected with the positioning portion 331 of the yoke 33, and the coil 32 surrounds the frame 30 so as to surround the iron core 31.

In the relay with high withstand voltage provided by the embodiment, the framework 30 and the yoke 33 are fixedly connected through the iron core 31, and the yoke 33 is fixedly arranged on the base 2 through the matching of the framework 30 and the base 2, so that the mounting is stable and reliable.

Claims (2)

1. A relay with a high withstand voltage value comprises a shell (1), a base (2), an electromagnet assembly (3), an armature (4), an elastic sheet (5), a fixed contact (6) and a movable contact (7), and is characterized in that the fixed spring (60) and the movable spring (70) are fixed on one side of the base (2) in parallel, the fixed contact (6) is arranged at one end, far away from the base (2), of the fixed spring (60), and the movable contact (7) is arranged at one end, far away from the base (2), of the movable spring (70); the electromagnet assembly (3) is fixed on the other side of the base (2), a mounting positioning plate (10) and an isolation limiting plate (11) are arranged between the electromagnet assembly (3) and the movable reed (70), the isolation limiting plate (11) is provided with a push card (8), the push card (8) comprises a reed support (80), a connecting plate (81) and a pushed plate (82), the reed support (80) is connected with the pushed plate (82) through a connecting plate (81), an upper limit groove (83) and a lower limit groove (84) are formed between the reed support (80) and the pushed plate (82), the isolation limit plate (11) extends into the lower limit groove (84) and is propped against the lower part of the connecting plate (81), a mounting groove (12) is formed between the isolation limiting plate (11) and the mounting positioning plate (10), and the lower end of the pushed plate (82) extends into the mounting groove (12); the armature (4) is L-shaped, one end of the armature (4) is abutted against the surface of the pushed plate (82), the other end of the armature (4) is positioned above the electromagnet assembly (3), the armature (4) is erected on the electromagnet assembly (3), and a clamping groove (40) is arranged on one side, facing the pushing card (8), of the armature (4); one end of the elastic sheet (5) is fixed on the side surface of the electromagnet assembly (3), the other end of the elastic sheet is provided with a hooked rebounding section (50), and the rebounding section (50) penetrates through the clamping groove (40) and then is pressed on the armature (4); casing (1) cover is established on base (2), is equipped with division board (13) in casing (1), division board (13) stretch into last spacing groove (83), quiet reed (60), movable reed (70) and reed support (80) all are located the homonymy of division board (13).

2. The relay with high withstand voltage value according to claim 1, wherein said electromagnet assembly (3) comprises a bobbin (30), an iron core (31), a coil (32) and a yoke (33), the framework (30) is fixed on the base (2), a groove (300) is arranged between the framework (30) and the base (2), the yoke (33) is fixed on the base (2) and comprises a supporting part (330) fixedly connected with the spring plate (5) and a positioning part (331) extending into the groove (300), the top end of the supporting part (330) is propped against the folding angle of the armature iron (4), the framework (30) is also provided with a mounting hole (301), the iron core (31) is inserted in the mounting hole (301), one end of the iron core (31) passes through the mounting hole (301) and then is connected with the positioning part (331) of the yoke (33), the coil (32) is wound around the bobbin (30) so as to surround the core (31).

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