CN111934563A - Novel bridge rectifier - Google Patents
Novel bridge rectifier Download PDFInfo
- Publication number
- CN111934563A CN111934563A CN202010944512.9A CN202010944512A CN111934563A CN 111934563 A CN111934563 A CN 111934563A CN 202010944512 A CN202010944512 A CN 202010944512A CN 111934563 A CN111934563 A CN 111934563A
- Authority
- CN
- China
- Prior art keywords
- electrode
- bridge rectifier
- fence
- sealing plate
- semiconductor chip
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 239000002184 metal Substances 0.000 claims abstract description 30
- 239000004065 semiconductor Substances 0.000 claims abstract description 24
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Abstract
The invention relates to a novel bridge rectifier, which comprises a shell and a metal sealing plate arranged right below the shell, wherein a fixed cover plate, a fence, an electrode assembly and a semiconductor chip assembly are arranged right above the metal sealing plate; by adopting the technical scheme, the novel bridge rectifier is filled with the liquid epoxy resin through the filling hole, the sealing ring a and the sealing ring b are arranged for sealing, and the fence is used for blocking to perform insulation treatment on the internal components of the bridge rectifier. The invention effectively solves the insulation problem of the internal components of the bridge rectifier and reduces the potential safety hazard.
Description
Technical Field
The invention relates to the technical field of rectifiers, in particular to a novel bridge rectifier.
Background
Bridge rectifier among the prior art, inside conversion wiring subassembly leads to having the potential safety hazard through not carrying out insulation protection, and stability exists not enoughly, and a safety and stability's bridge rectifier is urgently needed now.
Disclosure of Invention
In view of the deficiencies in the background art, the present invention provides a novel bridge rectifier and overcomes the above deficiencies.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a novel bridge rectifier comprises a shell and a metal sealing plate arranged right below the shell, wherein a fixed cover plate, a fence, an electrode assembly and a semiconductor chip assembly are arranged right above the metal sealing plate;
a guide pipe is integrally arranged at the outer edge of the filling hole at the inner side of the shell;
a fixed block is integrally arranged on the outer edge of one end, close to the metal sealing plate, of the fence, a sealing ring b is arranged between the fixed block and the metal sealing plate, a U-shaped groove matched with the guide pipe is formed in one side, close to the extending block, of the fence, and a ball float valve fixedly connected with the inner wall of the fence is arranged below the U-shaped groove;
a ceramic substrate is arranged between the electrode assembly and the metal sealing plate, and the electrode assembly comprises a first electrode, a second electrode and a third electrode which are sequentially arranged from left to right.
The semiconductor chip assembly comprises a first semiconductor chip fixedly connected with the first electrode and a second semiconductor chip fixedly connected with the third electrode, one end of the third electrode extends to the lower portion of the second electrode and is fixedly connected with the first semiconductor chip through a connecting bridge, and one end of the second electrode bends to extend to the upper portion of the second semiconductor chip and is fixedly connected with the second semiconductor chip.
One ends of the first electrode, the second electrode and the third electrode, which are far away from the metal sealing plate, respectively penetrate through the strip-shaped through grooves, are bent to be in contact with the upper surface of the shell, mounting holes are formed in the ends, and the centers of the fixing holes coincide with the centers of the mounting holes.
The fixing hole is regular hexagon, and the fixing hole is internally provided with a hexagon socket nut which is respectively matched with the mounting holes of the first electrode, the second electrode and the third electrode.
The fixed block is positioned between the fixed cover plate and the metal sealing plate.
The fixed cover plate is provided with a mounting groove matched with the fence.
The floating ball valve is hinged with the inner wall of the fence, a plugging piece matched with the filling hole is integrally arranged, and a rubber convex ball is arranged at one end, close to the filling hole, of the plugging piece.
By adopting the technical scheme, the novel bridge rectifier is filled with the liquid epoxy resin through the filling hole, the sealing ring a and the sealing ring b are arranged for sealing, and the fence is used for blocking to perform insulation treatment on the internal components of the bridge rectifier. The bridge rectifier provided by the invention has the advantages that the structure is simple, the installation is convenient, the insulation problem of internal components of the bridge rectifier is effectively solved, and the potential safety hazard is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic half-sectional view of the housing 1 in fig. 2.
Fig. 4 is a schematic structural view of the fixing cover plate 3 in fig. 2.
Fig. 5 is a schematic view of the structure of the enclosure 4 and its mating parts in fig. 2.
In the figure: 1. a housing; 11. an extension block; 12. filling holes; 13. a sealing cover; 14. a conduit; 2. a metal sealing plate; 3. fixing the cover plate; 4. a fence; 41. a fixed block; 42. a U-shaped groove; 43. a float valve; 44. a blocking member; 5. a first electrode; 6. a second electrode; 7. a third electrode; 8. a first semiconductor chip; 81. a connecting bridge; 9. a second semiconductor chip.
Detailed Description
Hereinafter, the present invention will be described in more detail by way of examples with reference to the accompanying drawings. This example is merely a description of the best mode of carrying out the invention and is not intended to limit the scope of the invention in any way.
As shown in fig. 1 to 5, a novel bridge rectifier includes a casing 1, and a metal sealing plate 2 disposed under the casing 1, a fixing cover plate 3, a rail 4, an electrode assembly, and a semiconductor chip assembly are disposed over the metal sealing plate 2, fixing seats are integrally disposed at both ends of the casing 1, a strip-shaped through groove and a fixing hole adapted to the electrode assembly are disposed at the top end of the casing 1 away from the metal sealing plate 2, an extension block 11 is integrally disposed at one side of the casing 1, a filling groove is disposed on the upper surface of the extension block 11, a filling hole 12 is disposed at one side of the filling groove close to the rail 4, a sealing cover 13 adapted to the filling groove is disposed in the filling groove, and a sealing ring a is disposed at the periphery of;
a guide pipe 14 is integrally arranged at the outer edge of the filling hole 12 at the inner side of the shell 1;
a fixing block 41 is integrally arranged at the outer edge of one end, close to the metal sealing plate 2, of the fence 4, a sealing ring b is arranged between the fixing block 41 and the metal sealing plate 2, a U-shaped groove 42 matched with the guide pipe 14 is arranged at one side, close to the extension block 11, of the fence 4, and a ball float valve 43 fixedly connected with the inner wall of the fence 4 is arranged below the U-shaped groove 42; the U-shaped slot 42 is used to allow the conduit 14 to pass through and be clamped when the housing 1 is fixedly connected to the metal sealing plate 2 and the fixed cover plate 3, ensuring that the liquid epoxy resin can be poured into the enclosure 4.
A ceramic substrate is arranged between the electrode assembly and the metal sealing plate 2, and the electrode assembly comprises a first electrode 5, a second electrode 6 and a third electrode 7 which are sequentially arranged from left to right.
The semiconductor chip assembly comprises a first semiconductor chip 8 fixedly connected with the first electrode 5 and a second semiconductor chip 9 fixedly connected with the third electrode 7, one end of the third electrode 7 extends to the lower part of the second electrode 6 and is fixedly connected with the first semiconductor chip 8 through a connecting bridge 81, and one end of the second electrode 6 is bent to extend to the upper part of the second semiconductor chip 9 and is fixedly connected with the second semiconductor chip 9.
One ends of the first electrode 5, the second electrode 6 and the third electrode 7, which are far away from the metal sealing plate 2, respectively penetrate through the strip-shaped through grooves, are bent to be in contact with the upper surface of the shell 1, mounting holes are formed in the ends, and the centers of the fixing holes coincide with the centers of the mounting holes. The middle sections of the first electrode 5, the second electrode 6 and the third electrode 7 are provided with circulation holes, so that liquid epoxy resin can flow conveniently.
The fixing hole is regular hexagon, and an inner hexagon nut is arranged in the fixing hole and is respectively matched with the mounting holes of the first electrode 5, the second electrode 6 and the third electrode 7.
The fixing block 41 is located between the fixing cover plate 3 and the metal sealing plate 2.
The fixed cover plate 3 is provided with a mounting groove matched with the fence 4.
The ball float 43 is hinged with the inner wall of the fence 4, and is integrally provided with a plugging piece 44 matched with the filling hole 12, and one end of the plugging piece 44 close to the filling hole 12 is provided with a rubber convex ball. The float valve 43 floats when the liquid epoxy resin filled in the fence 4 rises, the plugging piece 44 integrally arranged with the float valve 43 rotates due to the rising of the float valve 43 and approaches the direction of the filling hole 12, and the rubber convex ball is used for plugging the filling hole 12.
The specific working principle is as follows:
during installation, the metal sealing plate 2 and the fixed cover plate 3 are fixedly connected through screws, the fixed block 41 is clamped between the metal sealing plate 2 and the fixed cover plate 3, the bottom of the fence 4 is sealed by matching with the sealing ring b, and liquid epoxy resin is prevented from overflowing from the space between the metal sealing plate 2 and the fixed cover plate 3 when being poured;
further, after the whole is installed, the sealing cover 13 is taken out, and liquid epoxy resin is poured into the filling groove and enters the fence 4 through the filling hole 12;
further, when the liquid epoxy resin in the fence 4 reaches a certain height, the plugging piece 44 plugs the filling hole 12 under the action of the ball float 43, so as to avoid excessive liquid epoxy resin from being filled;
further, the sealing cover 13 is covered to prevent leakage.
The utility model provides a novel bridge rectifier is through setting up filling hole 12 and pouring into liquid epoxy to set up sealing washer a, sealing washer b and seal up, and regard as blockking with rail 4, carry out insulation treatment to bridge rectifier inner assembly. The bridge rectifier provided by the invention has the advantages that the structure is simple, the installation is convenient, the insulation problem of internal components of the bridge rectifier is effectively solved, and the potential safety hazard is reduced.
It is to be understood that the above examples are merely illustrative for clarity of description and are not limiting on the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.
Claims (7)
1. The utility model provides a novel bridge rectifier, includes casing (1) to and set up metal sealing plate (2) under casing (1), its characterized in that: a fixed cover plate (3), a fence (4), an electrode assembly and a semiconductor chip assembly are arranged right above the metal sealing plate (2), fixing seats are integrally arranged at two ends of the shell (1), a strip-shaped through groove and a fixing hole matched with the electrode assembly are formed in the top end, far away from the metal sealing plate (2), of the shell (1), an extension block (11) is integrally arranged on one side of the shell (1), a filling groove is formed in the upper surface of the extension block (11), a filling hole (12) is formed in one side, close to the fence (4), of the filling groove, a sealing cover (13) matched with the filling groove is arranged in the filling groove, and a sealing ring a is arranged on the periphery of the sealing cover;
a guide pipe (14) is integrally arranged at the outer edge of the filling hole (12) at the inner side of the shell (1);
a fixing block (41) is integrally arranged on the outer edge of one end, close to the metal sealing plate (2), of the fence (4), a sealing ring b is arranged between the fixing block (41) and the metal sealing plate (2), a U-shaped groove (42) matched with the guide pipe (14) is arranged on one side, close to the extension block (11), of the fence (4), and a ball float valve (43) fixedly connected with the inner wall of the fence (4) is arranged below the U-shaped groove (42);
a ceramic substrate is arranged between the electrode assembly and the metal sealing plate (2), and the electrode assembly comprises a first electrode (5), a second electrode (6) and a third electrode (7) which are sequentially arranged from left to right.
2. A novel bridge rectifier as set forth in claim 1 wherein: the semiconductor chip assembly comprises a first semiconductor chip (8) fixedly connected with a first electrode (5) and a second semiconductor chip (9) fixedly connected with a third electrode (7), one end of the third electrode (7) extends to the lower portion of the second electrode (6) and is fixedly connected with the first semiconductor chip (8) through a connecting bridge (81), and one end of the second electrode (6) is bent to extend to the upper portion of the second semiconductor chip (9) and is fixedly connected with the second semiconductor chip (9).
3. A novel bridge rectifier as set forth in claim 1 wherein: one ends, far away from the metal sealing plate (2), of the first electrode (5), the second electrode (6) and the third electrode (7) respectively penetrate through the strip-shaped through grooves, are bent to be in contact with the upper surface of the shell (1), mounting holes are formed in the ends, and the centers of the fixing holes coincide with the centers of the mounting holes.
4. A novel bridge rectifier as set forth in claim 3 wherein: the fixing hole is regular hexagon, and an inner hexagon nut is arranged in the fixing hole and is respectively matched with the mounting holes of the first electrode (5), the second electrode (6) and the third electrode (7).
5. A novel bridge rectifier as set forth in claim 1 wherein: the fixing block (41) is positioned between the fixing cover plate (3) and the metal sealing plate (2).
6. A novel bridge rectifier as set forth in claim 5 wherein: the fixed cover plate (3) is provided with a mounting groove matched with the fence (4).
7. A novel bridge rectifier as set forth in claim 1 wherein: the floating ball valve (43) is hinged with the inner wall of the fence (4), a plugging piece (44) matched with the filling hole (12) is integrally arranged, and a rubber convex ball is arranged at one end, close to the filling hole (12), of the plugging piece (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944512.9A CN111934563B (en) | 2020-09-10 | 2020-09-10 | Novel bridge rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944512.9A CN111934563B (en) | 2020-09-10 | 2020-09-10 | Novel bridge rectifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111934563A true CN111934563A (en) | 2020-11-13 |
| CN111934563B CN111934563B (en) | 2023-07-04 |
Family
ID=73308775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010944512.9A Active CN111934563B (en) | 2020-09-10 | 2020-09-10 | Novel bridge rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111934563B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268055Y (en) * | 1995-11-08 | 1997-11-19 | 乐清市农村能源办公室 | Automatic water-supplying device |
| US20070089293A1 (en) * | 2005-08-11 | 2007-04-26 | Lennart Pitzele | Mechanical packaging of electronics |
| US20090127798A1 (en) * | 2007-11-20 | 2009-05-21 | Chen-Fu Tsai | Sealing apparatus having circulating channel for wire cutting machine |
| JP2013131590A (en) * | 2011-12-21 | 2013-07-04 | Nippon Inter Electronics Corp | Resin sealed power semiconductor module and manufacturing method thereof |
| JP2015041659A (en) * | 2013-08-21 | 2015-03-02 | 株式会社三社電機製作所 | Semiconductor device |
| JP2016103946A (en) * | 2014-11-28 | 2016-06-02 | 三洋電機株式会社 | Charger |
| CN207098953U (en) * | 2017-07-20 | 2018-03-13 | 常州港华半导体科技有限公司 | A kind of bridge rectifier modules |
| CN208703225U (en) * | 2018-08-23 | 2019-04-05 | 东一阀门制造(南通)有限公司 | A kind of novel combined exhaust valve |
-
2020
- 2020-09-10 CN CN202010944512.9A patent/CN111934563B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268055Y (en) * | 1995-11-08 | 1997-11-19 | 乐清市农村能源办公室 | Automatic water-supplying device |
| US20070089293A1 (en) * | 2005-08-11 | 2007-04-26 | Lennart Pitzele | Mechanical packaging of electronics |
| US20090127798A1 (en) * | 2007-11-20 | 2009-05-21 | Chen-Fu Tsai | Sealing apparatus having circulating channel for wire cutting machine |
| JP2013131590A (en) * | 2011-12-21 | 2013-07-04 | Nippon Inter Electronics Corp | Resin sealed power semiconductor module and manufacturing method thereof |
| JP2015041659A (en) * | 2013-08-21 | 2015-03-02 | 株式会社三社電機製作所 | Semiconductor device |
| JP2016103946A (en) * | 2014-11-28 | 2016-06-02 | 三洋電機株式会社 | Charger |
| CN207098953U (en) * | 2017-07-20 | 2018-03-13 | 常州港华半导体科技有限公司 | A kind of bridge rectifier modules |
| CN208703225U (en) * | 2018-08-23 | 2019-04-05 | 东一阀门制造(南通)有限公司 | A kind of novel combined exhaust valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111934563B (en) | 2023-07-04 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230810 Address after: 196-9 Wei'er Road, Leqing Economic Development Zone, Wenzhou City, Zhejiang Province, 325000 Patentee after: ZHEJIANG RIHONG INVERTER Co.,Ltd. Address before: 325000 No. 430, Huancheng East Road, Huayuan new village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: YUEQING TAISEMS INDUSTRIAL CONTROL EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |