CN205542602U - Small -size high -voltage direct -current relay's seal structure - Google Patents
Small -size high -voltage direct -current relay's seal structure Download PDFInfo
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- CN205542602U CN205542602U CN201620310668.0U CN201620310668U CN205542602U CN 205542602 U CN205542602 U CN 205542602U CN 201620310668 U CN201620310668 U CN 201620310668U CN 205542602 U CN205542602 U CN 205542602U
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- welding
- metal shell
- relay
- potsherd
- square frame
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Abstract
The utility model discloses a small -size high -voltage direct -current relay's seal structure, including metal casing, square frame piece and potsherd, metal casing forms open -ended frame structure for the up end, and metal casing's bottom is equipped with the recess, is equipped with the trompil in the recess, upper end edge weld in the bottom of potsherd of square frame piece, lower extreme edge weld is in metal casing's opening end surface and form seal chamber, the welding has the output post on the potsherd, and metal casing's bottom recess trompil department welding has the blast pipe, the seal chamber periphery still is equipped with this seal chamber's of cladding plastic casing and fills has epoxy. This small -size high -voltage direct -current relay's seal structure simple structure, the welding is convenient, can be at seal chamber hydrogen charging gas, withstand voltage and arc extinguishing obtains very big improvement, can adopt and clap box -like structure, it is small, light in weight, withstand voltage grade is high, install the blast pipe of brazing on the L casting box body, the extraction vacuum, the product may not cut straightly on the circuit board with setting up the mounting hole, has reduced the product volume.
Description
Technical field
This utility model relates to a kind of relay, particularly relates to a kind of minitype high voltage direct current
The sealing structure of relay, the operating current of this minitype high voltage DC relay exists
10-120A, running voltage is 12-750V.
Background technology
Existing minitype high voltage DC relay, or do not use vacuum ceramic close
Envelope, causes properties of product the highest, is susceptible to fault；Or seal structure complex,
Production cost is high, brings the difficulty of technology and fund to Producer.It addition, for
Some products of existing employing ceramic seal use perforate on pottery and install
Exhaustor, does not only result in the resistance to of product and forces down, and due to the restriction of exhaustor, produces
Product can not straight cutting in the circuit board, it is necessary to installing hole bolt is set on cabinet
Fixing, increase small product size, this is to run in the opposite direction for the small form factor requirements of product
's.
Summary of the invention
In order to overcome drawbacks described above, this utility model provides a kind of minitype high voltage direct current
The sealing structure of relay, is not only simple in structure, convenient welding, and uses bat to close
Formula structure, volume is little, and weight is strong, and pressure grade is high.
This utility model be the technical scheme is that one to solve its technical problem
The sealing structure of kind of minitype high voltage DC relay, including metal shell, square frame sheet and
Potsherd, described metal shell is the frame structure that upper surface forms opening, this metal
The bottom of shell is provided with groove, make this metal shell along its upper surface vertical cross section in
Inverted L shape, is provided with perforate in this groove；The upper end-face edge of described square frame sheet is welded in institute
Stating the bottom of potsherd, lower edge is welded in the open end of described metal shell,
And form the sealing cavity for placing relay block；It is welded with on described potsherd
The output post of major loop and coil outlet for drawing relay, described metal shell
Bottom groove tapping be welded with exhaustor and connect with described sealing cavity；Described close
Envelope cavity periphery be additionally provided be coated with this sealing cavity cabinet, this cabinet and
It is filled with epoxy resin between this sealing cavity.
As further improvement of the utility model, described square frame sheet is kovar alloy material
Material is made.
As further improvement of the utility model, the upper end-face edge of described square frame sheet leads to
Cross Welding in the bottom of described potsherd, lower edge by laser welding in institute
State the open end of metal shell.
As further improvement of the utility model, described exhaustor passes through Welding
Tapping in the bottom groove of described metal shell.
As further improvement of the utility model, in described annular seal space body, it is filled with hydrogen
Gas.
As further improvement of the utility model, the upper end port of described metal shell
Stretch out the lower welding edge of formation, and the lower edge on described square frame limit stretches out formation
Upper welding edge, on this, welding edge and the welding of lower welding edge form one.
The beneficial effects of the utility model are: seal simple in construction, weld more convenient；
Can be flushed with hydrogen gas sealing cavity, pressure and arc extinguishing is greatly improved；Relay
Can use clapper-type structure, volume is little, lightweight, and pressure grade is high；In L-type
Soldering exhaustor, extracting vacuum are installed on casing；Product can arrange installing hole,
Straight cutting in the circuit board, reduces small product size.
Accompanying drawing explanation
Fig. 1 is one of this utility model structural representation；
Fig. 2 is the two of this utility model structural representation.
In conjunction with accompanying drawing, make the following instructions:
1 metal shell 2 square frame sheet
3 potsherds 4 export post
5 exhaustor 11 grooves
Welding edge on 12 times welding edges 21
Detailed description of the invention
Below in conjunction with accompanying drawing, a preferred embodiment of the present utility model is made specifically
Bright.But protection domain of the present utility model is not limited to following embodiment, i.e. in every case with this
The simple equivalence change that utility model application the scope of the claims and description are made
With modification, within the most still belonging to this utility model patent covering scope.
Refering to Fig. 1 or 2, the sealing structure of a kind of minitype high voltage DC relay, bag
Including metal shell 1, square frame sheet 2 and potsherd 3, described metal shell is upper surface
Forming the frame structure of opening, the bottom of this metal shell is provided with groove 11, makes this
Metal shell is inverted L shape along the cross section of its upper surface vertical, is provided with out in this groove
Hole；The upper end-face edge of described square frame sheet is welded in the bottom of described potsherd, lower end edge
Edge is welded in the open end of described metal shell, and formation is used for placing relay portion
The sealing cavity of part；The major loop for drawing relay it is welded with on described potsherd
With the output post 4 of coil outlet, the bottom groove tapping welding of described metal shell
Exhaustor 5 is had to connect with described sealing cavity；Described annular seal space body periphery is additionally provided with bag
Cover the cabinet of this sealing cavity, fill between this cabinet and this sealing cavity
There is epoxy resin.
Wherein, described square frame sheet is that kovar alloy material is made；Described square frame sheet upper
End margin passes through laser by Welding in the bottom of described potsherd, lower edge
It is welded in the open end of described metal shell；Described exhaustor by Welding in
The tapping of the bottom groove of described metal shell；It is filled with hydrogen in described annular seal space body
Gas；The upper end port of described metal shell stretches out and forms lower welding edge 12, institute
State the lower edge on square frame limit to stretch out the upper welding edge 21 of formation, welding edge on this
One is formed with the welding of lower welding edge.
The sealing architecture of this minitype high voltage DC relay is simple, welds more square
Just；Can be flushed with hydrogen gas sealing cavity, pressure and arc extinguishing is greatly improved；Continue
Electrical equipment can use clapper-type structure, and volume is little, lightweight, and pressure grade is high；At L
Soldering exhaustor, extracting vacuum are installed on molding box body；Product can arrange installation
Hole, straight cutting in the circuit board, reduces small product size.The method can be widely used in new
Energy automobile, hybrid vehicle, renewable energy storage, batter-charghing system,
Fuel cell & solar energy system, new forms of energy related infrastructure, high power DC set
The occasions such as standby, universal industrial equipment.
Claims (6)
1. the sealing structure of a minitype high voltage DC relay, it is characterised in that:
Including metal shell (1), square frame sheet (2) and potsherd (3), outside described metal
Shell is the frame structure that upper surface forms opening, and the bottom of this metal shell is provided with groove
(11), making this metal shell is inverted L shape along the cross section of its upper surface vertical, and this is recessed
Perforate it is provided with in groove；The upper end-face edge of described square frame sheet is welded in the end of described potsherd
Portion, lower edge is welded in the open end of described metal shell, and formation is used for putting
Put the sealing cavity of relay block；It is welded with for drawing relay on described potsherd
The major loop of device and the output post (4) of coil outlet, the bottom of described metal shell is recessed
Groove tapping is welded with exhaustor (5) and connects with described sealing cavity；Described sealing
Cavity periphery be additionally provided be coated with this sealing cavity cabinet, this cabinet and should
Seal and be filled with epoxy resin between cavity.
The sealing knot of minitype high voltage DC relay the most according to claim 1
Structure, it is characterised in that: described square frame sheet is that kovar alloy material is made.
The sealing knot of minitype high voltage DC relay the most according to claim 1
Structure, it is characterised in that: the upper end-face edge of described square frame sheet passes through Welding in described
The bottom of potsherd, lower edge passes through laser welding in the opening of described metal shell
End face.
The sealing knot of minitype high voltage DC relay the most according to claim 1
Structure, it is characterised in that: described exhaustor passes through Welding in described metal shell
The tapping of bottom groove.
The sealing knot of minitype high voltage DC relay the most according to claim 1
Structure, it is characterised in that: it is filled with hydrogen in described annular seal space body.
The sealing knot of minitype high voltage DC relay the most according to claim 1
Structure, it is characterised in that: the upper end port of described metal shell stretches out, and formation is lower welds
Edge fit (12), the lower edge on described square frame limit stretches out and forms upper welding edge
(21), on this, welding edge and the welding of lower welding edge form one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620310668.0U CN205542602U (en) | 2016-04-14 | 2016-04-14 | Small -size high -voltage direct -current relay's seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620310668.0U CN205542602U (en) | 2016-04-14 | 2016-04-14 | Small -size high -voltage direct -current relay's seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542602U true CN205542602U (en) | 2016-08-31 |
Family
ID=56791970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620310668.0U Active CN205542602U (en) | 2016-04-14 | 2016-04-14 | Small -size high -voltage direct -current relay's seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205542602U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558774A (en) * | 2020-07-20 | 2020-08-21 | 昆山联滔电子有限公司 | Relay welding device and welding method |
| CN111613482A (en) * | 2019-02-25 | 2020-09-01 | 贵州振华群英电器有限公司（国营第八九一厂） | Miniature ceramic shell |
| CN112908780A (en) * | 2021-01-28 | 2021-06-04 | 厦门理工学院 | Multiple sealing method and structure of high-voltage direct-current relay |
| CN113436936A (en) * | 2021-08-29 | 2021-09-24 | 江西韬瑞自动化设备有限公司 | Relay mounting structure capable of preventing poor contact |
| WO2022007422A1 (en) * | 2020-07-10 | 2022-01-13 | 青岛凯瑞电子有限公司 | Sealing-in housing of electromagnetic relay having large current and low lead resistance |
-
2016
- 2016-04-14 CN CN201620310668.0U patent/CN205542602U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613482A (en) * | 2019-02-25 | 2020-09-01 | 贵州振华群英电器有限公司（国营第八九一厂） | Miniature ceramic shell |
| WO2022007422A1 (en) * | 2020-07-10 | 2022-01-13 | 青岛凯瑞电子有限公司 | Sealing-in housing of electromagnetic relay having large current and low lead resistance |
| CN111558774A (en) * | 2020-07-20 | 2020-08-21 | 昆山联滔电子有限公司 | Relay welding device and welding method |
| CN112908780A (en) * | 2021-01-28 | 2021-06-04 | 厦门理工学院 | Multiple sealing method and structure of high-voltage direct-current relay |
| CN112908780B (en) * | 2021-01-28 | 2024-03-19 | 厦门理工学院 | Multiple sealing method and structure of high-voltage direct-current relay |
| CN113436936A (en) * | 2021-08-29 | 2021-09-24 | 江西韬瑞自动化设备有限公司 | Relay mounting structure capable of preventing poor contact |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |