AU2016101545A4 - Leading-out terminal for high-voltage dc relays - Google Patents
Leading-out terminal for high-voltage dc relays Download PDFInfo
- Publication number
- AU2016101545A4 AU2016101545A4 AU2016101545A AU2016101545A AU2016101545A4 AU 2016101545 A4 AU2016101545 A4 AU 2016101545A4 AU 2016101545 A AU2016101545 A AU 2016101545A AU 2016101545 A AU2016101545 A AU 2016101545A AU 2016101545 A4 AU2016101545 A4 AU 2016101545A4
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- AU
- Australia
- Prior art keywords
- leading
- out terminal
- voltage
- stationary contact
- frame
- Prior art date
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Abstract
Title: LEADING-OUT TERMINAL FOR HIGH-VOLTAGE DC RELAYS Abstract The present invention relates to a leading-out terminal for a high-voltage DC relay. A leading-out terminal for a high-voltage DC relay is provided; the leading-out terminal is fixed to a frame; a stationary contact is fixed at a lower end of the leading-out terminal, and the stationary contact is located on the inner side of the frame; and a magnetic conducting sleeve is sheathed on the leading-out terminal, and the magnetic conducting sleeve is located between the stationary contact and the frame.
Description
2016101545 01 Sep 2016
Description LEADING-OUT TERMINAL FOR HIGH-VOLTAGE DC RELAYS Technical Field of the Invention
The present invention relates to a leading-out terminal for a high-voltage DC relay.
Background of the Invention
In a high-voltage DC relay, a leading-out terminal is fixed to a stationary contact, a moving contact is fixed to a moving reed, and the moving reed is fixed to a pushrod. When the relay operates, a moving core and the pushrod fixed on the moving core move up and down due to the magnetism, so that the moving contact fixed on the moving reed comes into contact with and separates from the stationary contact. As the moving core and the pushrod move upward, the magnetism acting on the moving core and the pushrod will decrease. That is, the thrust that the moving core withstands when moving from the bottom up will become smaller. If the magnetism acting on the moving core is too small, the rising distance of the moving core and the pushrod will be not enough, and as a result, the moving contact is unable to come into contact with the stationary contact, or the moving contact and the stationary contact are in poor contact.
Summary of the Invention
An objective of the present invention is to provide a leading-out terminal for a high-voltage DC relay, which facilitates the reliable contact between the moving contact and the stationary contact and also the fixation between the leading-out terminal and the frame.
To realize this purpose, the present invention employs the following technical solution. A leading-out terminal for a high-voltage DC relay is 1 2016101545 01 Sep 2016 provided; the leading-out terminal is fixed to a frame; a stationary contact is fixed at a lower end of the leading-out terminal, and the stationary contact is located on the inner side of the frame; and a magnetic conducting sleeve is sheathed on the leading-out terminal, and the magnetic conducting sleeve is located between the stationary contact and the frame.
Preferably, the leading-out terminal is formed with external threads, and the magnetic conducting sleeve is formed with internal threads fitted with the external threads.
The present invention facilitates the fixation between the leading-out terminal and the frame and reduces the production and assembly cost. Furthermore, the present invention can also improve the reliable contact between the moving contact and the stationary contact.
Brief Description of the Drawings
Fig. 1 is a structure diagram of the present invention.
Detailed Description of the Invention
As shown in Fig. 1, a leading-out terminal for a high-voltage DC relay of the present invention includes a leading-out terminal 1; the leading-out terminal 1 is fixed to a frame; a stationary contact 2 is fixed at a lower end of the leading-out terminal 1; the frame consists of an insulating plate 3 and a support 4 of an enclosed structure; and the stationary contact 2 is located in a cavity 5 formed by the insulating plate 3 and the support 4; and a magnetic conducting sleeve 6 is sheathed on the leading-out terminal 1, and the magnetic conducting sleeve 6 is located between the stationary contact 2 and the insulating plate 3.The insulating plate 3 is made of ceramic material, and the support is made of metal material.
The leading-out terminal 1 includes an upper portion 10, a middle portion 11 and a lower portion 12, with the upper portion 10 being located on the outer side of the insulating plate 3; a through hole, through which the middle portion 2 2016101545 01 Sep 2016 11 and the lower portion 12 of the leading-out terminal 1 pass, is formed in the insulating plate 3, and the middle portion 11 of the leading-out terminal is located within the through hole; the stationary contact 2 is fixed to the lower side of the lower portion 12; and the lower portion 12 is formed with external threads, and the magnetic conducting sleeve 6 is formed with internal threads fitted with the external threads. The magnetic conducting sleeve 6 is in thread fit with the leading-out terminal 1, and an upper end face of the magnetic conducting sleeve 6 is caused to be resisted against a lower end face of the insulating plate. In this way, the insulating plate 3 can be limited between the upper portion 10 and the magnetic conducting sleeve 6, so that the leading-out terminal 1 is fixed. When there is a high current, the magnetic conducting sleeve 6 attracts the moving reed 7, so that the moving reed 7 moves upward. In this way, the reliable contact between the moving contact 8 and the stationary contact 2 is ensured. 3
Claims (2)
- Claims1. A leading-out terminal for a high-voltage DC relay, characterized in that the leading-out terminal is fixed to a frame; a stationary contact is fixed at a lower end of the leading-out terminal, and the stationary contact is located on the inner side of the frame; and a magnetic conducting sleeve is sheathed on the leading-out terminal, and the magnetic conducting sleeve is located between the stationary contact and the frame.
- 2. The leading-out terminal for a high-voltage DC relay according to claim 1, characterized in that the leading-out terminal is formed with external threads, and the magnetic conducting sleeve is formed with internal threads fitted with the external threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2016101545A AU2016101545A4 (en) | 2016-09-01 | 2016-09-01 | Leading-out terminal for high-voltage dc relays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2016101545A AU2016101545A4 (en) | 2016-09-01 | 2016-09-01 | Leading-out terminal for high-voltage dc relays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2016101545A4 true AU2016101545A4 (en) | 2016-11-10 |
Family
ID=57221547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2016101545A Ceased AU2016101545A4 (en) | 2016-09-01 | 2016-09-01 | Leading-out terminal for high-voltage dc relays |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2016101545A4 (en) |
-
2016
- 2016-09-01 AU AU2016101545A patent/AU2016101545A4/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGI | Letters patent sealed or granted (innovation patent) | ||
| MK22 | Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry |