CN202888356U - Microwave power transmission ceramic window structure and vacuum microwave device - Google Patents
Microwave power transmission ceramic window structure and vacuum microwave device Download PDFInfo
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- CN202888356U CN202888356U CN 201220459233 CN201220459233U CN202888356U CN 202888356 U CN202888356 U CN 202888356U CN 201220459233 CN201220459233 CN 201220459233 CN 201220459233 U CN201220459233 U CN 201220459233U CN 202888356 U CN202888356 U CN 202888356U
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- power transmission
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Abstract
The utility model relates to a microwave power transmission ceramic window structure and a vacuum microwave device possessing the microwave power transmission ceramic window structure. The microwave power transmission ceramic window structure comprises a sleeve, a ceramic window and a flange, wherein one end of the sleeve is vertically fixed on the flange, the inner wall of the sleeve is fixedly provided with an annular supporting part, the annular supporting part is coaxial with the sleeve, the ceramic window is fixedly arranged in the sleeve and is supported by the annular supporting part, the annular supporting part is arranged between the ceramic window and the flange at interval, the distance between the ceramic window and two ends of the sleeve is a residence value, the outer rim of the ceramic window is vertically extended along the inner wall of the sleeve to form a fixed part and a cup shape, and the fixed part is fixedly connected with the inner wall of the sleeve. According to the microwave power transmission ceramic window structure and the vacuum microwave device, good microwave transmission performance of the vacuum microwave device is maintained, and the qualified rate and the reliability of the device is substantially raised.
Description
Technical field
The utility model relates to the vacuum microwave device, is specifically related to the microwave power transmission ceramic window structure in the vacuum microwave device.
Background technology
The microwave power transmission ceramic window is a very important part of vacuum microwave device, the smooth output of both having undertaken microwave energy, the again necessary vacuum leakproofness that guarantees device.The quality of microwave power transmission ceramic window is directly connected to performance of devices, a good window not only will possess good standing wave and bandwidth characteristic, namely in wider frequency range, has lower standing-wave ratio, its welding is necessary vacuum seal, reliable also, can stand impact and the test of various adverse circumstances.
The operating frequency of modern vacuum microwave device is more and more higher, for frequency band and the stationary wave characteristic that the microwave power transmission ceramic window obtains, is limited to the dielectric constant level of existing microwave power transmission ceramic window pottery, and the ceramic window thickness of delivery of energy window can only be more and more thinner.At X-band, the thickness of aluminium oxide window only has 0.7mm～1.1mm, like this, the frequency band of microwave power transmission ceramic window and stationary wave characteristic can be better, but can cause simultaneously the contact area of the ceramic metallization of window and soldering very little, the welding of microwave power transmission ceramic window is unreliable, after vacuum device is through environmental tests such as high/low-temperature impact, vibratory impulses, microwave power transmission ceramic window position often produces gas leak phenomenon, and this is very unfavorable to the vacuum microwave device reliability.
The utility model content
Unreliable in order to overcome the welding that has the microwave power transmission ceramic window now, can not guarantee the deficiency of the vacuum leakproofness of device, the utility model provides a kind of microwave power transmission ceramic window structure, both guaranteed the microwave transmission characteristic that window is good, guarantee again vacuum leakproofness and the reliability of its welding, the impact of various adverse circumstances be can stand, vacuum microwave device reliability and qualification rate greatly improved.
The utility model is to realize like this, microwave power transmission ceramic window structure, it comprises sleeve, ceramic window and flange, one end of this sleeve is vertically fixed on this flange, the inwall of this sleeve is fixed with annular brace section, this annular brace section and this sleeve are coaxial, this ceramic window is fixed in this sleeve and by this annular brace section and supports, this annular brace section interval is between this ceramic window and this flange, this ceramic window is fixed value to the distance at these sleeve two ends, the outer rim of this ceramic window vertically extends to form fixed part and cup-shaped along the inwall of this sleeve, and this fixed part and this sleeve lining are fixed.
As the further improvement of such scheme, the outer rim of this ceramic window extends to form fixed part towards the perpendicular direction away from this annular brace section.
Further improvement as such scheme, the outer rim of this ceramic window extends to form fixed part towards the perpendicular direction near this annular brace section, and more close this flange is fixed value to guarantee this ceramic window to the distance at these sleeve two ends in the position of this sleeve lining in this annular brace section.
As the further improvement of such scheme, this fixed part and this sleeve lining are welded and fixed, and the face that this fixed part is welded in this sleeve lining is solder side.
As the further improvement of such scheme, this annular brace section and this sleeve are one-body molded.
The utility model also relates to the vacuum microwave device, it is equipped with microwave power transmission ceramic window structure, this microwave power transmission ceramic window structure comprises sleeve, ceramic window and flange, one end of this sleeve is vertically fixed on this flange, the inwall of this sleeve is fixed with annular brace section, this annular brace section and this sleeve are coaxial, this ceramic window is fixed in this sleeve and by this annular brace section and supports, this annular brace section interval is between this ceramic window and this flange, this ceramic window is fixed value to the distance at these sleeve two ends, the outer rim of this ceramic window vertically extends to form fixed part and cup-shaped along the inwall of this sleeve, and this fixed part and this sleeve lining are fixed.
As the further improvement of such scheme, the outer rim of this ceramic window extends to form fixed part towards the perpendicular direction away from this annular brace section.
Further improvement as such scheme, the outer rim of this ceramic window extends to form fixed part towards the perpendicular direction near this annular brace section, and more close this flange is fixed value to guarantee this ceramic window to the distance at these sleeve two ends in the position of this sleeve lining in this annular brace section.
As the further improvement of such scheme, this fixed part and this sleeve lining are welded and fixed, and the face that this fixed part is welded in this sleeve lining is solder side.
As the further improvement of such scheme, this annular brace section and this sleeve are one-body molded.
Microwave power transmission ceramic window structure of the present utility model and the vacuum microwave device with this microwave power transmission ceramic window structure, solving the technical scheme that its technical problem adopts is: fix vacuum leakproofness and the reliability of (such as welding) for both guaranteeing microwave power transmission ceramic window structure, the microwave transmission performance that keeps good is arranged again simultaneously, in the utility model, adopt a kind of window pottery, increase contact area in its part that need fix (such as welding), namely increase fixed part at the edge of window pottery, increase the fixed-area (such as the soldering sealing surface) of pottery, and in the microwave energy transfer part, the window ceramic thickness keeps a thinner thickness, to keep good microwave transmission performance.
The beneficial effects of the utility model are: the stationary plane (such as the soldering sealing surface) that has increased microwave power transmission ceramic window structure, greatly improve fixing (such as welding) intensity, guarantee that it fixes vacuum leakproofness and the reliability of (as welding), and in the microwave energy transfer part, the window ceramic thickness is in a thinner thickness, has kept good microwave transmission characteristic.In brief, the utility model had both kept the good microwave transmission performance of vacuum microwave device, had greatly improved again qualification rate and the reliability of device.
Description of drawings
Fig. 1 is the structural representation of the microwave power transmission ceramic window structure that provides of the utility model the first execution mode.
Fig. 2 is the structural representation of the ceramic window of microwave power transmission ceramic window structure among Fig. 1.
Fig. 3 is the vertical view of ceramic window among Fig. 2.
Fig. 4 is the structural representation of the microwave power transmission ceramic window structure that provides of the utility model the second execution mode.
Main symbol description: sleeve 1, ceramic window 2, flange 3, solder side 4, annular brace section 5, fixed part 6.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1, the structural representation of the microwave power transmission ceramic window structure that it provides for the utility model the first execution mode, microwave power transmission ceramic window structure applications is in the vacuum microwave device.
Microwave power transmission ceramic window structure comprises sleeve 1, ceramic window 2 and flange 3.One end of sleeve 1 is vertically fixed on the flange 3, and the inwall of sleeve 1 is fixed with annular brace section 5.Annular brace section 5 is coaxial with sleeve 1, and annular brace section 5 can be one-body molded with sleeve 1.
Please in conjunction with Fig. 2 and Fig. 3, ceramic window 2 is fixed in the sleeve 1 and by annular brace section 5 and supports, and annular brace section 5 intervals are between ceramic window 2 and flange 1.Ceramic window 2 is fixed value to the distance at sleeve 1 two ends, and this fixed value is guaranteed the good serviceability of microwave power transmission ceramic window structure by experience.The outer rim of ceramic window 2 vertically extends to form fixed part 6 and cup-shaped along the inwall of sleeve 1, and fixed part 6 is fixed with sleeve 1 inwall.In the present embodiment, fixed part 6 is welded and fixed with sleeve 1 inwall, and the face that fixed part 6 is welded in sleeve 1 inwall is solder side 4, and window pottery 2 needs to metallize at its periphery before welding; In other execution mode, also can adopt other fixed form, as bonding etc.
In the present embodiment, the outer rim of ceramic window 2 extends to form fixed part 6 towards the perpendicular direction away from annular brace section 5, has so both increased the solder side 4 of ceramic window 2 and sleeve 1, guarantees that again ceramic window 2 is all constant to the fixed value at sleeve 1 two ends.That is to say, the part that is used for microwave energy transfer in the middle of the ceramic window 2, thickness still keeps a thinner thickness, and on the solder side 4 of ceramic window 2, designed a step (being fixed part 6), greatly increase the soldering contact area of window pottery 2 with sleeve 1, improved weld strength.
The microwave power transmission ceramic window structure that the utility model the first execution mode provides, simple in structure, easily realize, both improved weld strength, guarantee vacuum leakproofness and the reliability of its welding, keep again good microwave transmission characteristic, greatly improved qualification rate and the reliability of vacuum microwave device.
See also Fig. 4, the structural representation of the microwave power transmission ceramic window structure that it provides for the utility model the second execution mode, microwave power transmission ceramic window structure applications is in the vacuum microwave device.
Microwave power transmission ceramic window structure comprises sleeve 1, ceramic window 2 and flange 3.One end of sleeve 1 is vertically fixed on the flange 3, and the inwall of sleeve 1 is fixed with annular brace section 5.Annular brace section 5 is coaxial with sleeve 1, and annular brace section 5 can be one-body molded with sleeve 1.
In the present embodiment, the outer rim of ceramic window 2 extends to form fixed part 6 towards the perpendicular direction near annular brace section 5, compare with the microwave power transmission ceramic window structure that the first execution mode provides, annular brace section 5 is at the more close flange 3 in the position of sleeve 1 inwall, so both increased the solder side 4 of ceramic window 2 and sleeve 1, guaranteed again that ceramic window 2 was all constant to the fixed value at sleeve 1 two ends.That is to say, the part that is used for microwave energy transfer in the middle of the ceramic window 2, thickness still keeps a thinner thickness, and on the solder side 4 of ceramic window 2, designed a step (being fixed part 6), greatly increase the soldering contact area of window pottery 2 with sleeve 1, improved weld strength.
The microwave power transmission ceramic window structure that the utility model the second execution mode provides, simple in structure, easily realize, both improved weld strength, guarantee vacuum leakproofness and the reliability of its welding, keep again good microwave transmission characteristic, greatly improved qualification rate and the reliability of vacuum microwave device.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. microwave power transmission ceramic window structure, it comprises sleeve, ceramic window and flange, one end of this sleeve is vertically fixed on this flange, the inwall of this sleeve is fixed with annular brace section, this annular brace section and this sleeve are coaxial, this ceramic window is fixed in this sleeve and by this annular brace section and supports, this annular brace section interval is between this ceramic window and this flange, this ceramic window is fixed value to the distance at these sleeve two ends, it is characterized in that, the outer rim of this ceramic window vertically extends to form fixed part and cup-shaped along the inwall of this sleeve, and this fixed part and this sleeve lining are fixed.
2. microwave power transmission ceramic window structure as claimed in claim 1 is characterized in that, the outer rim of this ceramic window extends to form fixed part towards the perpendicular direction away from this annular brace section.
3. microwave power transmission ceramic window structure as claimed in claim 1, it is characterized in that, the outer rim of this ceramic window extends to form fixed part towards the perpendicular direction near this annular brace section, and more close this flange is fixed value to guarantee this ceramic window to the distance at these sleeve two ends in the position of this sleeve lining in this annular brace section.
4. such as claim 1 or 2 or 3 described microwave power transmission ceramic window structures, it is characterized in that, this fixed part and this sleeve lining are welded and fixed, and the face that this fixed part is welded in this sleeve lining is solder side.
5. such as claim 1 or 2 or 3 described microwave power transmission ceramic window structures, it is characterized in that, this annular brace section and this sleeve are one-body molded.
6. vacuum microwave device, it is equipped with microwave power transmission ceramic window structure, this microwave power transmission ceramic window structure comprises sleeve, ceramic window and flange, one end of this sleeve is vertically fixed on this flange, the inwall of this sleeve is fixed with annular brace section, this annular brace section and this sleeve are coaxial, this ceramic window is fixed in this sleeve and by this annular brace section and supports, this annular brace section interval is between this ceramic window and this flange, this ceramic window is fixed value to the distance at these sleeve two ends, it is characterized in that, the outer rim of this ceramic window vertically extends to form fixed part and cup-shaped along the inwall of this sleeve, and this fixed part and this sleeve lining are fixed.
7. vacuum microwave device as claimed in claim 6 is characterized in that, the outer rim of this ceramic window extends to form fixed part towards the perpendicular direction away from this annular brace section.
8. vacuum microwave device as claimed in claim 6, it is characterized in that, the outer rim of this ceramic window extends to form fixed part towards the perpendicular direction near this annular brace section, and more close this flange is fixed value to guarantee this ceramic window to the distance at these sleeve two ends in the position of this sleeve lining in this annular brace section.
9. such as claim 6 or 7 or 8 described vacuum microwave devices, it is characterized in that, this fixed part and this sleeve lining are welded and fixed, and the face that this fixed part is welded in this sleeve lining is solder side.
10. such as claim 6 or 7 or 8 described vacuum microwave devices, it is characterized in that, this annular brace section and this sleeve are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459233 CN202888356U (en) | 2012-09-10 | 2012-09-10 | Microwave power transmission ceramic window structure and vacuum microwave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459233 CN202888356U (en) | 2012-09-10 | 2012-09-10 | Microwave power transmission ceramic window structure and vacuum microwave device |
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| Publication Number | Publication Date |
|---|---|
| CN202888356U true CN202888356U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220459233 Expired - Fee Related CN202888356U (en) | 2012-09-10 | 2012-09-10 | Microwave power transmission ceramic window structure and vacuum microwave device |
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| CN (1) | CN202888356U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638320A (en) * | 2015-02-10 | 2015-05-20 | 中国电子科技集团公司第十六研究所 | Large-caliber low loss microwave vacuum window |
| CN113809490A (en) * | 2021-09-27 | 2021-12-17 | 中国科学院空天信息创新研究院 | Packaging assembly for microwave window, welding method and microwave window |
-
2012
- 2012-09-10 CN CN 201220459233 patent/CN202888356U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638320A (en) * | 2015-02-10 | 2015-05-20 | 中国电子科技集团公司第十六研究所 | Large-caliber low loss microwave vacuum window |
| CN104638320B (en) * | 2015-02-10 | 2018-04-27 | 中国电子科技集团公司第十六研究所 | Heavy caliber low-loss microwave vacuum window |
| CN113809490A (en) * | 2021-09-27 | 2021-12-17 | 中国科学院空天信息创新研究院 | Packaging assembly for microwave window, welding method and microwave window |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20210910 |