CN203774185U - Solid-state relay housing where insulating sheet is not apt to crack - Google Patents
Solid-state relay housing where insulating sheet is not apt to crack Download PDFInfo
- Publication number
- CN203774185U CN203774185U CN201420094944.5U CN201420094944U CN203774185U CN 203774185 U CN203774185 U CN 203774185U CN 201420094944 U CN201420094944 U CN 201420094944U CN 203774185 U CN203774185 U CN 203774185U
- Authority
- CN
- China
- Prior art keywords
- frame
- insulating trip
- state relay
- insulating sheet
- wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000007704 transition Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 11
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims abstract description 10
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 229910000833 kovar Inorganic materials 0.000 claims abstract description 5
- SBYXRAKIOMOBFF-UHFFFAOYSA-N copper tungsten Chemical compound [Cu].[W] SBYXRAKIOMOBFF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005245 sintering Methods 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 238000005336 cracking Methods 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 238000005476 soldering Methods 0.000 abstract description 4
- 229910001369 Brass Inorganic materials 0.000 abstract 1
- 239000010951 brass Substances 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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- Contacts (AREA)
Abstract
The utility model discloses a solid-state relay housing where an insulating sheet is not apt to crack. The solid-state relay housing comprises a bottom board, a frame, positioning holes, an insulating sheet, a transition sheet, main leads and auxiliary leads, wherein the bottom board is made of a tungsten copper material, the insulating sheet is made of a beryllium oxide material, the frame is made of a kovar alloy material, the insulating sheet is of a rectangular shape and is sintered on the bottom board, the frame is mounted on the periphery of the insulating sheet and is sintered on the bottom board, gaps are disposed between the four sides of the insulating sheet and corresponding sides of the frame, the transition sheet is sintered on the insulating sheet, both the main leads and the auxiliary leads are led out of a side of the frame, and the positioning holes are disposed on the bottom board. According to the solid-state relay housing provided by the utility model, the bottom board and the insulating sheet are directly sintered together, so the phenomenon of insulating sheet cracks caused by inward deformations of the bottom board during brass soldering is avoided, and the obtained housing is long in service life and high in quality.
Description
Technical field
The utility model relates to relay1 case field, is specifically related to the solid state relay shell that a kind of insulating trip is difficult for cracking.
Background technology
Relay is a kind of electric control device; when the variation of input variable reaches regulation requirement; in electric output circuit, make controlled volume that a kind of electrical equipment that predetermined step changes occurs; it has control system and by the interactive relationship between control system; conventionally be applied in the control circuit of automation; it is actually a kind of " automatic switch " that goes to control large electric current running with little electric current; therefore play the effects such as automatic adjusting, safeguard protection, change-over circuit in circuit, the relay on power equipment has relay1 case.
The base plate of existing relay1 case generally adopts copper soleplate, insulating trip to adopt BeO(beryllium oxide) insulating trip, frame adopt and can cut down frame, insulating trip is by frame and base plate sealing-in, due to relay1 case base plate size and insulating trip size all very large, in shell brazing process, between BeO insulating trip and copper soleplate, all can produce stress between copper soleplate and frame, owing to adopting, can cut down frame, the coefficient of expansion that can cut down is 5.7～6.2 * 10
-6/ ℃, the coefficient of expansion of copper soleplate is 15.8 * 10
-6/ ℃, the coefficient of expansion that can cut down frame is less than the coefficient of expansion of copper soleplate, and after shell soldering, in temperature-fall period, copper soleplate is out of shape and curves inwardly.After case electroplating, this aduncate stress still exists, after shell nickel plating, anneal again in temperature-rise period, copper soleplate there will be the phenomenon of " expansion " with respect to frame, will cause so fragile BeO insulating trip to occur transverse fissure and lobe phenomenon, make to crack on insulating trip, affect useful life and the quality of product.
Utility model content
The purpose of this utility model is to provide a kind of insulating trip directly and thereby base plate sintering effectively reduces insulating trip and cracks the solid state relay shell of phenomenon because of soldering.
To achieve these goals, the technical solution of employing is the utility model:
The solid state relay shell that insulating trip is difficult for cracking, comprises base plate, frame, location hole, insulating trip, transition, main lead-in wire, auxiliary lead, and base plate is tungsten copper base plate, and insulating trip is beryllium oxide material, and frame is kovar alloy material; Described insulating trip be rectangle and sintering on base plate, described frame is arranged on insulating trip surrounding sintering on base plate, all gapped between four limits of described insulating trip and corresponding frame; Described transition plate sintering is on insulating trip; Described main lead-in wire and the equal sintering of auxiliary lead are drawn on frame and from frame side, and described location hole is arranged on base plate.
Described main lead-in wire is two, and described main lead-in wire is TU1 oxygen-free copper material.
Described auxiliary lead is two, and two auxiliary leads are arranged on the both sides of one of them main lead-in wire.
Each limit of described insulating trip is all identical with the gap between corresponding frame, and gap is all greater than 0.
Described frame is 4J29 steel matter.
The junction of described main lead-in wire and auxiliary lead and frame is equipped with ceramic insulator.
Described transition plate is molybdenum sheet.
The beneficial effect that the utility model can produce: by base plate directly and insulating trip sintering, while avoiding soldering, bottom deformation curves inwardly and the generation of the phenomenon that the insulating trip that causes cracks, and effectively improves useful life and the quality of product.
Accompanying drawing explanation
Accompanying drawing 1 is side sectional view of the present utility model.
Accompanying drawing 2 is vertical view of the present utility model.
Wherein: 1, base plate; 2, frame; 3, location hole; 4, insulating trip; 5, transition plate; 6, main lead-in wire; 7, auxiliary lead; 8, ceramic insulator.
Embodiment
In conjunction with Fig. 1,2 explanation present embodiments, the solid state relay shell that a kind of insulating trip is difficult for cracking, comprise base plate 1, frame 2, location hole 3, insulating trip 4, transition plate 5, main lead-in wire 6, auxiliary lead 7, base plate 1 is tungsten copper material, insulating trip 4 is beryllium oxide material, and frame 2 is kovar alloy material; Described insulating trip 4 be rectangle and sintering on base plate 1, described frame 2 is arranged on insulating trip 4 surroundings sintering on base plate 1, all gapped between four limits of described insulating trip 4 and corresponding frame; Described transition plate 5 sintering are on insulating trip 4; Described main lead-in wire 6 and the equal sintering of auxiliary lead 7 are drawn on frame 2 and from frame 2 sides, and described location hole 3 is arranged on base plate 1.By insulating trip 4 direct sinterings on base plate 1.
Described main lead-in wire 6 is two, and described main lead-in wire 6 is TU1 oxygen-free copper material.Two equal sintering of main lead-in wire 6 are on one of them outside of frame 2, and two main lead-in wires 6 are equal to the distance of the mid point of this outside.
Described auxiliary lead 7 is two, and two auxiliary leads 7 are arranged on the both sides of one of them main lead-in wire 6.Auxiliary lead 7 adopts copper core to cut down.
Each limit of described insulating trip 4 is all identical with the gap between corresponding frame 2, and gap is all greater than 0.
Described frame 2 is 4J29 steel matter.What 4J29 steel matter was kovar alloy is a kind of.
Described main lead-in wire 6 and auxiliary lead 7 are equipped with ceramic insulator 8 with the junction of frame 2.
Described insulating trip 4 is beryllium oxide material.Wherein adopt 97% beryllium oxide (BeO).
Described transition plate 5 is molybdenum (Mo) sheet.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection range of the present utility model.
Claims (7)
1. the solid state relay shell that insulating trip is difficult for cracking, it is characterized in that, comprise base plate (1), frame (2), location hole (3), insulating trip (4), transition plate (5), main lead-in wire (6), auxiliary lead (7), base plate (1) is tungsten copper material, insulating trip (4) is beryllium oxide material, and frame (2) is kovar alloy material; Described insulating trip (4) is that rectangle and sintering are on base plate (1); It is upper at base plate (1) that described frame (2) is arranged on insulating trip (4) surrounding sintering, all gapped between four limits of described insulating trip (4) and corresponding frame; Described transition plate (5) sintering is on insulating trip (4); Described main lead-in wire (6) and auxiliary lead (7) all sintering are gone up and draw from frame (2) side at frame (2), and described location hole (3) is arranged on base plate (1).
2. the solid state relay shell that a kind of insulating trip is difficult for cracking according to claim 1, is characterized in that, described main lead-in wire (6) is two, and described main lead-in wire (6) is TU1 oxygen-free copper material.
3. the solid state relay shell that a kind of insulating trip is difficult for cracking according to claim 2, is characterized in that, described auxiliary lead (7) is two, and two auxiliary leads (7) are arranged on the both sides of one of them main lead-in wire (6).
4. the solid state relay shell that a kind of insulating trip is difficult for cracking according to claim 1, is characterized in that, each limit of described insulating trip (4) is all identical with the gap between corresponding frame (2), and gap is all greater than 0.
5. the solid state relay shell that a kind of insulating trip is difficult for cracking according to claim 1, is characterized in that, described frame (2) is 4J29 steel matter.
6. the solid state relay shell that a kind of insulating trip is difficult for cracking according to claim 1, is characterized in that, described main lead-in wire (6) and auxiliary lead (7) are equipped with ceramic insulator (8) with the junction of frame (2).
7. the solid state relay shell that a kind of insulating trip is difficult for cracking according to claim 1, is characterized in that, described transition plate (5) is molybdenum sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094944.5U CN203774185U (en) | 2014-03-04 | 2014-03-04 | Solid-state relay housing where insulating sheet is not apt to crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094944.5U CN203774185U (en) | 2014-03-04 | 2014-03-04 | Solid-state relay housing where insulating sheet is not apt to crack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774185U true CN203774185U (en) | 2014-08-13 |
Family
ID=51291343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420094944.5U Expired - Lifetime CN203774185U (en) | 2014-03-04 | 2014-03-04 | Solid-state relay housing where insulating sheet is not apt to crack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774185U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269383A (en) * | 2014-10-05 | 2015-01-07 | 青岛凯瑞电子有限公司 | Rectifier bridge and transition welding technology of outer shell, frame and bottom plate of rectifier bridge |
| CN106252296A (en) * | 2016-08-23 | 2016-12-21 | 太仓市威士达电子有限公司 | A kind of metal base plate for hydrid integrated circuit encapsulation |
| CN111785570A (en) * | 2020-07-10 | 2020-10-16 | 青岛凯瑞电子有限公司 | Sealed electromagnetic relay casing with high current and low lead resistance |
-
2014
- 2014-03-04 CN CN201420094944.5U patent/CN203774185U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269383A (en) * | 2014-10-05 | 2015-01-07 | 青岛凯瑞电子有限公司 | Rectifier bridge and transition welding technology of outer shell, frame and bottom plate of rectifier bridge |
| CN104269383B (en) * | 2014-10-05 | 2017-10-17 | 青岛凯瑞电子有限公司 | The graded seal method of rectifier bridge and its shell, frame and bottom plate |
| CN106252296A (en) * | 2016-08-23 | 2016-12-21 | 太仓市威士达电子有限公司 | A kind of metal base plate for hydrid integrated circuit encapsulation |
| CN111785570A (en) * | 2020-07-10 | 2020-10-16 | 青岛凯瑞电子有限公司 | Sealed electromagnetic relay casing with high current and low lead resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |