CN216649532U - Rectifier - Google Patents
Rectifier Download PDFInfo
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- CN216649532U CN216649532U CN202123172174.0U CN202123172174U CN216649532U CN 216649532 U CN216649532 U CN 216649532U CN 202123172174 U CN202123172174 U CN 202123172174U CN 216649532 U CN216649532 U CN 216649532U
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- rectifier
- shell
- lead tube
- base
- soft electrode
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Abstract
The utility model discloses a rectifier which comprises a shell, wherein two ends of the shell are respectively connected with a lead tube and a base, a soft electrode is arranged in the shell, and the lead tube is connected with the base through the soft electrode. The rectifier disclosed by the utility model is small in size, light in weight, convenient to maintain and replace and suitable for working conditions such as aircrafts and the like sensitive to the size and the weight of the rectifier.
Description
Technical Field
The utility model relates to the technical field of power semiconductors, in particular to a rectifier.
Background
The rotary rectifier for the synchronous exciter of the aero-generator is a rectifier with a special structure, an internal electrode of the rectifier with an existing common structure adopts a copper braided wire as an electrode, the weight is large, an external lead is protruded, the size is large, a mounting lead needs tin soldering, the replacement is not easy, and the requirement of the rotary rectifier for the synchronous exciter of the aero-generator cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rectifier, which is used for solving the problem that the requirements of a rotary rectifier for an aircraft generator synchronous exciter cannot be met due to large weight, protruding external leads and difficult replacement.
The utility model provides a rectifier which comprises a shell, wherein two ends of the shell are respectively connected with a lead tube and a base, a soft electrode is arranged in the shell, and the lead tube is connected with the base through the soft electrode.
Preferably, the soft electrode is an S-shaped buffer sheet.
Preferably, the casing is kovar alloy tube shell, the lead tube is fixed at the upper end of the casing through a ceramic ring, and an internal thread is arranged on the inner wall of the outer end of the lead tube and used for butting with the outer lead tube.
Preferably, a plug is fixed at the inner end of the lead tube, the base is a copper base, the bottom surface of the shell is fixed on the base through a molybdenum sheet in a welding mode, a chip is welded on the molybdenum sheet, and the plug is connected with the chip through a flexible electrode.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses a rectifier, wherein an S-shaped buffer sheet is adopted as a soft electrode inside the rectifier, the structural form of the existing internal lead wire is changed, the external lead wire cannot cause bulge, the weight and the volume are reduced, and the rectifier can be used as a power device; the inner wall of the outer end of the lead tube is provided with internal threads which are rotatably butted with the outer lead tube, and the outer lead tube is butted through the threads, so that the existing external lead bulge is eliminated, the detachable connection is realized, and the replacement is easy; the electric characteristics of the original product can be kept, the work can be carried out under the working condition of 1000KN of centrifugal force, and the ultra-high centrifugal force can be resisted. The utility model discloses a rectifier which is small in size, light in weight, convenient to maintain and replace and suitable for working conditions of aircrafts and the like sensitive to the size and the weight of the rectifier.
Drawings
Fig. 1 is a schematic structural diagram of a rectifier provided in embodiment 1 of the present invention.
Description of reference numerals: 1-a shell; 2-ceramic ring, 3-lead tube, 4-plug, 5-soft electrode, 6-chip, 7-molybdenum sheet and 8-base.
Detailed Description
The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Example 1
Embodiment 1 provides a rectifier, and the structure thereof will be described in detail below.
Referring to fig. 1, the rectifier comprises a housing 1,
the two ends of the shell 1 are respectively connected with a lead tube 3 and a base 8, a joint 4, a soft electrode 5, a chip 6 and a molybdenum sheet 7 are arranged in the shell 1,
specifically, casing 1 is the kovar alloy tube shell, and lead tube 3 is fixed in the upper end of casing 1 through ceramic ring 2, is provided with the internal thread on the inner wall of lead tube 3 outer end for butt joint outer lead tube, correspondingly, for the butt joint, sets up the external screw thread on the outer wall of outer lead tube, and the internal thread of lead tube 3 and the rotatory butt joint of external screw thread of outer lead tube.
To prevent contaminants from entering the lead tube 3 into the interior of the housing 1, a plug 4 is fixed to the inner end of the lead tube 3.
In a specific embodiment, the base 8 is a copper base, the bottom surface of the shell 1 is welded and fixed on the base 8 through a molybdenum sheet 7, the chip 6 is welded on the molybdenum sheet 7,
the plug 4 is connected with the chip 6 through a soft electrode 5, and the soft electrode 5 is an S-shaped buffer sheet.
Through experimental tests, the equipment can work under the working condition of 1000KN centrifugal force under the condition of keeping the electrical characteristics of the original product.
Although the utility model has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (4)
1. A rectifier is characterized by comprising a shell (1), wherein both ends of the shell (1) are respectively connected with a lead tube (3) and a base (8),
the novel LED lamp is characterized in that a soft electrode (5) is arranged inside the shell (1), and the lead tube (3) is connected with the base (8) through the soft electrode (5).
2. The rectifier of claim 1,
the soft electrode (5) is an S-shaped buffer sheet.
3. The rectifier according to claim 1,
the casing (1) is a kovar alloy tube shell, the lead tube (3) is fixed at the upper end of the casing (1) through the ceramic ring (2), and an internal thread is arranged on the inner wall of the outer end of the lead tube (3) and used for being in butt joint with the outer lead tube.
4. The rectifier according to claim 1,
a plug (4) is fixed at the inner end of the lead tube (3), the base (8) is a copper base,
the bottom surface of the shell (1) is welded and fixed on a base (8) through a molybdenum sheet (7), a chip (6) is welded on the molybdenum sheet (7),
the plug (4) is connected with the chip (6) through a soft electrode (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123172174.0U CN216649532U (en) | 2021-12-16 | 2021-12-16 | Rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123172174.0U CN216649532U (en) | 2021-12-16 | 2021-12-16 | Rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216649532U true CN216649532U (en) | 2022-05-31 |
Family
ID=81742424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123172174.0U Active CN216649532U (en) | 2021-12-16 | 2021-12-16 | Rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216649532U (en) |
-
2021
- 2021-12-16 CN CN202123172174.0U patent/CN216649532U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |