CN210073728U - Sealed high-voltage direct-current relay - Google Patents
Sealed high-voltage direct-current relay Download PDFInfo
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- CN210073728U CN210073728U CN201921169103.5U CN201921169103U CN210073728U CN 210073728 U CN210073728 U CN 210073728U CN 201921169103 U CN201921169103 U CN 201921169103U CN 210073728 U CN210073728 U CN 210073728U
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Abstract
The utility model discloses a sealed high-voltage direct-current relay, which comprises a ceramic cover, two load leading-out ends, a metal frame sheet, a yoke plate and a copper exhaust pipe; the two load leading-out ends are respectively arranged on the top wall of the ceramic cover, and the top end of the metal frame piece is fixed at the bottom end of the ceramic cover; the bottom end of the metal frame piece is fixed with the yoke plate within the peripheral range of the yoke plate, so that the metal frame piece is enclosed into a frame piece cavity communicated with the cavity of the ceramic cover from the top end to the bottom end; the frame piece cavity also integrally extends towards the side edge to form a side cavity which is not covered by the ceramic cover, the exhaust pipe is arranged at the top wall of the side cavity of the metal frame piece, and the bottom end of the exhaust pipe extends into the side cavity. The utility model discloses avoided because covering the blast pipe at the pottery and cause two loads to draw forth the drawback of the insulating properties variation between the end, also avoided making the drawback that the wire winding space of magnetic circuit part diminishes owing to adorn the blast pipe in the magnetic circuit part.
Description
Technical Field
The utility model relates to a relay technical field especially relates to a canned type high voltage direct current relay.
Background
The high-voltage direct-current relay in the prior art comprises a contact part and a magnetic circuit part, wherein the magnetic circuit part adopts a direct-acting magnetic circuit structure, the contact part is arranged on the upper part, the magnetic circuit part is arranged on the lower part, the magnetic circuit part drives a movable spring part of the contact part to move through a pushing rod part, the movable spring part usually adopts a straight-piece movable spring (also called a bridge-type movable spring), and the connection and disconnection of loads are realized through the contact and the separation of the straight-piece movable spring and two stationary contact leading-out ends (namely two load leading-out ends). In the high-voltage direct-current relay, a moving contact and a static contact are usually accommodated in a cavity of a ceramic cover, and in order to accelerate the extinguishing of electric arc, the interior of the cavity is vacuumized and is protected by filling inert gas at the position where the contacts are matched; in order to realize the function of air inflation and exhaust of the sealed cavity of the product, an exhaust pipe (copper pipe) is usually connected to the cavity to be sealed to satisfy the above function. In order to achieve the purpose that the volume of the high-voltage direct-current relay in the prior art is made as small as possible, the high-voltage direct-current relay is generally designed to be circular (namely, a yoke plate, a coil and the like are circular), and a ceramic cover is generally rectangular; the other is to install the exhaust pipe in the magnetic circuit part, specifically, the exhaust pipe is installed at the yoke iron plate, the lower part of the exhaust pipe is positioned at the winding window position of the coil, and the upper end of the exhaust pipe extends into the cavity of the ceramic cover above the yoke iron plate, thus, the defect that the winding space of the magnetic circuit part is reduced is caused, and the magnetic circuit performance of the product is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a canned type high voltage direct current relay, through the improvement to the blast pipe structure, both avoided because cover the blast pipe dress at the pottery and cause two loads to draw forth the drawback that the insulating properties between the end worsens, also avoided making the drawback that the wire winding space of magnetic circuit part diminishes owing to adorn the blast pipe in the magnetic circuit part.
The utility model provides a technical scheme that its technical problem adopted is: a sealed high-voltage direct-current relay comprises a ceramic cover, two load leading-out ends, a metal frame sheet, a yoke iron plate and a copper exhaust pipe; wherein, the ceramic cover is approximately rectangular, and the yoke iron plate is approximately circular; the two load leading-out ends are respectively arranged on the top wall of the ceramic cover, and the bottom ends of the two load leading-out ends respectively extend into the cavity of the ceramic cover; the peripheral size of the top end of the metal frame sheet is correspondingly matched with the peripheral size of the bottom end of the ceramic cover, and the top end of the metal frame sheet is fixed at the bottom end of the ceramic cover; the bottom end of the metal frame piece is fixed with the yoke plate within the peripheral range of the yoke plate, so that a frame piece cavity communicated with the cavity of the ceramic cover is formed by the metal frame piece from the top end to the bottom end; the side cavity body which is not covered by the ceramic cover is integrally extended towards the side edge of the frame piece cavity body, the exhaust pipe is arranged on the top wall of the side cavity body of the metal frame piece, and the bottom end of the exhaust pipe extends into the side cavity body, so that the exhaust pipe is positioned outside the ceramic cover and at one side edge of the ceramic cover.
The exhaust pipe and the top wall of the side cavity of the metal frame sheet are fixed through brazing.
The top wall of the side cavity of the metal frame piece is provided with a through hole, the bottom end of the exhaust pipe is provided with a step with a downward step surface, the bottom end of the exhaust pipe is inserted into the through hole of the metal frame piece, and the step of the exhaust pipe is abutted to the upper edge of the through hole of the metal frame piece.
The height of the side cavity of the metal frame piece is lower than that of the frame piece cavity of the metal frame piece.
The side cavity of the metal frame sheet deviates to one side in the frame sheet cavity corresponding to the middle area of the connecting line of the two load leading-out ends.
The top end of the metal frame piece is provided with a first folding edge which is bent towards the inner direction of the frame, and the metal frame piece is fixed with the bottom end of the ceramic cover through the first folding edge; the bottom end of the metal frame piece is provided with a second folding edge which is bent towards the outer direction of the frame, and the metal frame piece is fixed with the yoke plate through the second folding edge; the second flange is wound around the frame piece cavity of the metal frame piece and the side cavity of the metal frame piece.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses owing to adopted the frame piece cavity still to extend to side an organic whole not quilt the side cavity that the ceramic cover covered, the blast pipe dress is in the roof department of the side cavity of metal frame piece, the bottom of blast pipe stretches into in the side cavity, thereby make the blast pipe is in outside the ceramic cover and be in a side of ceramic cover. The structure of the utility model is that when the ceramic cover with the rectangle shape is matched with the yoke iron plate with the circle shape, the space position on the yoke iron plate at the side of the ceramic cover is provided with the side cavity, and the exhaust pipe is arranged at the side cavity, which can not change the volume of the original relay and keep the small volume characteristic of the original relay; because the exhaust pipe is not arranged on the ceramic cover, the defect that the insulating property between two load leading-out ends is poor because the exhaust pipe is arranged on the ceramic cover in the prior art is avoided, and because the exhaust pipe is arranged on the metal frame piece and is positioned above the yoke plate, the defect that the winding space of the magnetic circuit part is reduced because the exhaust pipe is arranged in the magnetic circuit part in the prior art is avoided; the utility model discloses a this kind of structure both can guarantee that two loads draw forth the insulating space that has the conform to the requirements between the end, make the magnetic circuit part wire winding space maximize again, has improved the magnetic circuit performance of product.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.
Drawings
Fig. 1 is a schematic view of an embodiment of the present invention;
fig. 2 is a schematic view of the internal structure of an embodiment of the present invention;
FIG. 3 is a schematic view of the ceramic cover, two load terminals, metal frame piece and exhaust pipe of an embodiment of the present invention;
FIG. 4 is a schematic view of an assembly of a ceramic cover, two load terminals, a metal frame piece and an exhaust pipe according to an embodiment of the present invention;
FIG. 5 is a front view of the ceramic cover, two load terminals, metal frame piece and exhaust pipe of an embodiment of the present invention in combination;
FIG. 6 is a top view of the ceramic hood, two load terminals, metal frame pieces and exhaust pipe of an embodiment of the present invention;
fig. 7 is a left side view of the ceramic cover, two load terminals, metal frame piece and exhaust pipe of an embodiment of the present invention in combination;
fig. 8 is a cross-sectional view of the ceramic cover, two load terminals, metal frame piece and exhaust pipe in accordance with an embodiment of the present invention;
fig. 9 is a sectional view of a part of the structure of an embodiment of the present invention;
figure 10 is a cross-sectional view of an exhaust pipe of an embodiment of the present invention;
fig. 11 is a schematic perspective view of a metal frame piece according to an embodiment of the present invention;
FIG. 12 is a front view of a metal frame piece according to an embodiment of the present invention;
fig. 13 is a top view of a metal frame piece according to an embodiment of the present invention;
fig. 14 is a right side view of a metal frame piece according to an embodiment of the present invention.
Detailed Description
Examples
Referring to fig. 1 to 14, the sealed high-voltage dc relay of the present invention includes a cover plate 1, a base 2, a ceramic cover 3, two load terminals 41, a movable spring 42, a metal frame 5, a yoke plate 6, a copper exhaust pipe 7, a pushing part 8, a coil 9, and other parts; wherein, the ceramic cover 3 is approximately rectangular, and the yoke iron plate 6 is approximately circular; the two load leading-out ends 41 (namely the stationary contact leading-out ends) are respectively arranged at the top wall of the ceramic cover 3, the bottom ends of the two load leading-out ends 41 respectively extend into the cavity of the ceramic cover and are matched with the movable spring 42, the movable spring 42 is arranged at one end of the pushing part 8, and the other end of the pushing part 8 is matched with the coil; the peripheral size of the top end of the metal frame piece 5 is correspondingly matched with the peripheral size of the bottom end of the ceramic cover 3, and the top end of the metal frame piece 5 is fixed at the bottom end of the ceramic cover 3; the bottom end of the metal frame piece 5 is fixed with the yoke plate 6 in the peripheral range of the yoke plate 6, so that the metal frame piece 5 encloses a frame piece cavity 51 communicated with the cavity of the ceramic cover from the top end to the bottom end; the frame piece cavity 51 further integrally extends towards the side edge to form a side cavity 52 which is not covered by the ceramic cover 3, the exhaust pipe 7 is installed at the top wall of the side cavity 52 of the metal frame piece 5, and the bottom end of the exhaust pipe 7 extends into the side cavity 52, so that the exhaust pipe 7 is located outside the ceramic cover 3 and at one side edge of the ceramic cover 3.
In this embodiment, the exhaust pipe 7 is fixed to the top wall of the side cavity 52 of the metal frame 5 by brazing.
In this embodiment, the top wall of the side cavity 52 of the metal frame piece 5 is provided with a through hole 521, the bottom end of the exhaust pipe 7 is provided with a step 71 with a downward step surface, the bottom end of the exhaust pipe 7 is inserted into the through hole 521 of the metal frame piece 5, and the step 71 of the exhaust pipe abuts against the upper edge of the through hole 521 of the metal frame piece.
In this embodiment, the height of the side cavity 52 of the metal frame piece 5 is lower than the height of the frame piece cavity 51 of the metal frame piece 5.
In this embodiment, the side cavity 52 of the metal frame piece 5 is deviated to one side of the frame piece cavity 51 corresponding to the middle area of the connecting line of the two load terminals.
In this embodiment, the top end of the metal frame piece 5 is provided with a first folded edge 53 that is bent towards the inner direction of the frame, and the metal frame piece 5 is fixed with the bottom end of the ceramic cover 3 through the first folded edge 53; the bottom end of the metal frame piece 5 is provided with a second folded edge 54 which is bent towards the outer direction of the frame, and the metal frame piece 5 is fixed with the yoke plate 6 through the second folded edge 54; the second folded edge 54 is wrapped around the frame piece cavity 51 of the metal frame piece and the side cavity 52 of the metal frame piece.
The utility model discloses a canned type high voltage direct current relay has adopted still to a side body extension at the frame piece cavity 51 of metal frame piece 5 not quilt the side cavity 52 that ceramic cover 3 covered, blast pipe 7 dress is in the roof department of the side cavity 52 of metal frame piece 5, the bottom of blast pipe 7 stretches into in the side cavity 52, thereby makes blast pipe 7 is in outside and a side at ceramic cover 3 of ceramic cover 3. When the ceramic cover 3 with the approximate rectangle is matched with the yoke iron plate 6 with the approximate circle, the space position on the yoke iron plate at the side of the ceramic cover is provided with the side cavity, and the exhaust pipe is arranged at the side cavity, so that the volume of the original relay can not be changed, and the small volume characteristic of the original relay can be continuously kept; because the exhaust pipe is not arranged on the ceramic cover, the defect that the insulating property between two load leading-out ends is poor because the exhaust pipe is arranged on the ceramic cover in the prior art is avoided, and because the exhaust pipe is arranged on the metal frame piece and is positioned above the yoke plate, the defect that the winding space of the magnetic circuit part is reduced because the exhaust pipe is arranged in the magnetic circuit part in the prior art is avoided; the utility model discloses a this kind of structure both can guarantee that two loads draw forth the insulating space that has the conform to the requirements between the end, make the magnetic circuit part wire winding space maximize again, has improved the magnetic circuit performance of product.
The foregoing is illustrative of the preferred embodiment of the present 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 limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. A sealed high-voltage direct-current relay comprises a ceramic cover, two load leading-out ends, a metal frame sheet, a yoke iron plate and a copper exhaust pipe; wherein, the ceramic cover is approximately rectangular, and the yoke iron plate is approximately circular; the two load leading-out ends are respectively arranged on the top wall of the ceramic cover, and the bottom ends of the two load leading-out ends respectively extend into the cavity of the ceramic cover; the peripheral size of the top end of the metal frame sheet is correspondingly matched with the peripheral size of the bottom end of the ceramic cover, and the top end of the metal frame sheet is fixed at the bottom end of the ceramic cover; the bottom end of the metal frame piece is fixed with the yoke plate within the peripheral range of the yoke plate, so that a frame piece cavity communicated with the cavity of the ceramic cover is formed by the metal frame piece from the top end to the bottom end; the method is characterized in that: the side cavity body which is not covered by the ceramic cover is integrally extended towards the side edge of the frame piece cavity body, the exhaust pipe is arranged on the top wall of the side cavity body of the metal frame piece, and the bottom end of the exhaust pipe extends into the side cavity body, so that the exhaust pipe is positioned outside the ceramic cover and at one side edge of the ceramic cover.
2. The sealed high-voltage direct current relay according to claim 1, characterized in that: the exhaust pipe and the top wall of the side cavity of the metal frame sheet are fixed through brazing.
3. The sealed high-voltage direct current relay according to claim 2, characterized in that: the top wall of the side cavity of the metal frame piece is provided with a through hole, the bottom end of the exhaust pipe is provided with a step with a downward step surface, the bottom end of the exhaust pipe is inserted into the through hole of the metal frame piece, and the step of the exhaust pipe is abutted to the upper edge of the through hole of the metal frame piece.
4. The sealed high-voltage direct current relay according to claim 1, 2 or 3, characterized in that: the height of the side cavity of the metal frame piece is lower than that of the frame piece cavity of the metal frame piece.
5. The sealed high-voltage direct current relay according to claim 1, 2 or 3, characterized in that: the side cavity of the metal frame sheet deviates to one side in the frame sheet cavity corresponding to the middle area of the connecting line of the two load leading-out ends.
6. The sealed high-voltage direct current relay according to claim 1, characterized in that: the top end of the metal frame piece is provided with a first folding edge which is bent towards the inner direction of the frame, and the metal frame piece is fixed with the bottom end of the ceramic cover through the first folding edge; the bottom end of the metal frame piece is provided with a second folding edge which is bent towards the outer direction of the frame, and the metal frame piece is fixed with the yoke plate through the second folding edge; the second flange is wound around the frame piece cavity of the metal frame piece and the side cavity of the metal frame piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169103.5U CN210073728U (en) | 2019-07-23 | 2019-07-23 | Sealed high-voltage direct-current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921169103.5U CN210073728U (en) | 2019-07-23 | 2019-07-23 | Sealed high-voltage direct-current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210073728U true CN210073728U (en) | 2020-02-14 |
Family
ID=69429615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921169103.5U Active CN210073728U (en) | 2019-07-23 | 2019-07-23 | Sealed high-voltage direct-current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210073728U (en) |
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2019
- 2019-07-23 CN CN201921169103.5U patent/CN210073728U/en active Active
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