CN204361237U - The hermetically-sealed construction of isolator/circulator - Google Patents
The hermetically-sealed construction of isolator/circulator Download PDFInfo
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- CN204361237U CN204361237U CN201520022168.2U CN201520022168U CN204361237U CN 204361237 U CN204361237 U CN 204361237U CN 201520022168 U CN201520022168 U CN 201520022168U CN 204361237 U CN204361237 U CN 204361237U
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- ferrite
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- silica gel
- isolator
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Abstract
The utility model discloses a kind of hermetically-sealed construction of isolator/circulator, comprise housing, lid, center conductor, magnet and ferrite, described housing and lid form containing cavity, described magnet, ferrite and the stacked setting of center conductor are also fixed in containing cavity, described housing sidewall offers breach, described center conductor is provided with pin and described pin stretches out from breach, described indentation, there injection has RTV silica gel to form RTV layer of silica gel, described RTV layer of silica gel closes accommodating cavity, and be fixed on the part magnet of corresponding gap position, on sidewall on ferrite and center conductor.The utility model, by closing breach with RTV silica gel, can improve the electric property of isolator/circulator.
Description
Technical field
The utility model relates to a kind of Microwave Iron Oxide Elements, especially a kind of hermetically-sealed construction of isolator/circulator.
Background technology
Microwave Iron Oxide Elements (as: isolator, circulator) play the effects such as belt, isolation, amplitude modulation in microwave circuit, are mainly used in military radar system, the communications field.Particularly 21 century is the communication network epoch; along with the continuous upgrading of network; 3G, 4G base station Large scale construction in recent years, circulator, isolator, by up to ten million of past annual production several ten thousand annual production till now, bring challenge to the large-scale production of enterprise, the consistency of properties of product.Circulator of the prior art comprises housing, center conductor, ferrite, magnet and cover plate, cover plate and housing are fixed and are formed cavity, magnet, ferrite and center conductor are arranged in cavity, above-mentioned center conductor is provided with straight line pin, and on housing, the position of line correspondence pin arranges lead-in wire port.Above-mentioned structure, due to lead-in wire port, sealing is unfixing, and be directly exposed in air by magnet, center conductor and ferritic part, during work, magnet attracts the conductive materials such as bushel iron pin due to the effect of magnetic force, cause the problem of circulator short circuit.In addition, center conductor and ferrite easily make moist and affect normal electric property.In view of this, be necessary to be improved further the structure of above-mentioned isolator/circulator.
Utility model content
Technical problem to be solved in the utility model is: provide that a kind of structure is simple, the hermetically-sealed construction of the isolator/circulator of sealing and good electric property.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the hermetically-sealed construction providing a kind of isolator/circulator, comprise housing, lid, center conductor, magnet and ferrite, described housing and lid form containing cavity, described magnet, ferrite and the stacked setting of center conductor are also fixed in containing cavity, described housing sidewall offers breach, described center conductor is provided with pin and described pin stretches out from breach, described indentation, there injection has RTV silica gel to form RTV layer of silica gel, described RTV layer of silica gel closes accommodating cavity, and be fixed on the part magnet of corresponding gap position, on sidewall on ferrite and center conductor.
Wherein, the thickness of described RTV layer of silica gel is 0.5-3.5mm.
Wherein, the quantity of described breach is three, and three breach are evenly distributed on circular shell sidewall.
Wherein, described ferrite comprises upper strata ferrite and lower floor's ferrite, on the upper surface that described upper strata ferrite and lower floor's ferrite are close to center conductor respectively and lower surface.
Wherein, described magnet comprises upper strata magnet and lower floor's magnet, and described upper strata magnet and lower floor's magnet are close on upper strata ferrite and lower floor's ferrite respectively.
The beneficial effects of the utility model are: be different from isolator/circulator of the prior art because lead-in wire port does not seal fixing, directly by magnet, center conductor and ferritic part are exposed in air, cause the problem that electric property is not good, the hermetically-sealed construction of a kind of isolator/circulator of the utility model, adopt and have RTV silica gel to form RTV layer of silica gel in the indentation, there injection of housing, described layer of silica gel closes accommodating cavity, and be fixed on the part magnet of corresponding gap position, on sidewall on ferrite and center conductor, sealed wiring port, the electric property of isolator/circulator can be improved.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the hermetically-sealed construction of the utility model isolator/circulator;
Fig. 2 is the decomposing schematic representation of Fig. 1.
Label declaration:
1, lid; 2, housing; 3, RTV layer of silica gel; 4, center conductor;
41, pin; 51, upper strata ferrite; 52, lower floor's ferrite;
61, upper strata magnet; 62, lower floor's magnet; 21, breach.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with execution mode.
RTV silica gel: a kind of room temperature vulcanized sili cone rubber, RTV is the abbreviation of English room temperature vulcanizedsilicone rubber, the silicon rubber of energy sulfuration under room temperature.
The design of the utility model most critical is: this programme adopts has RTV silica gel to form RTV layer of silica gel in the indentation, there injection of housing, described layer of silica gel closes breach, and be fixed on the sidewall on the part magnet of corresponding gap position, ferrite and center conductor, seal accommodating cavity, the electric property of isolator/circulator can be improved.
Please refer to Fig. 1 and Fig. 2, a kind of hermetically-sealed construction of isolator/circulator, comprise housing 2, lid 1, center conductor 4, magnet and ferrite, described housing 2 forms containing cavity with lid 1, described magnet, ferrite and the stacked setting of center conductor 4 are also fixed in containing cavity, described housing 2 sidewall offers breach 21, described center conductor 4 is provided with pin 41 and described pin 41 stretches out from breach 21, the injection of described breach 21 place has RTV silica gel to form RTV layer of silica gel 3, described RTV layer of silica gel 3 closes breach 21, and be fixed on the part magnet of corresponding breach 21 position, on sidewall on ferrite and center conductor 4.
From foregoing description, the beneficial effects of the utility model are: be different from isolator/circulator of the prior art because lead-in wire port does not seal fixing, directly by magnet, center conductor 4 and ferritic part are exposed in air, cause the problem that electric property is not good, the hermetically-sealed construction of a kind of isolator/circulator of the utility model, adopt and have RTV silica gel to form RTV layer of silica gel 3 in the injection of breach 21 place of housing 2, described layer of silica gel closes breach 21, and be fixed on the part magnet of corresponding breach 21 position, on sidewall on ferrite and center conductor 4, sealed wiring port, the electric property of isolator/circulator can be improved.
As an embodiment, the thickness of described RTV layer of silica gel 3 is 0.5-3.5mm.It is noted that the effect of layer of silica gel is closed accommodating cavity, make the construction package in accommodating cavity and external isolation, the effect preventing magnet from attracting bushel iron pin and preventing the water in air and dust from entering can be played.The thickness of this RTV silica gel is not limited to above-mentioned scope, is less than or is greater than above-mentioned thickness range and be feasible program.
As an embodiment, the quantity of described breach 21 is three, and three breach 21 are evenly distributed on circular shell 2 sidewall.Housing 2 is circular configuration, and the mutual angle of three breach 21 is 180 °.In addition, on housing 2, the position of corresponding breach 21 is provided with wire connecting portion, and described wire connecting portion can supporting pins 41, facilitates wiring, improves overall electric property.
As an embodiment, described ferrite comprises upper strata ferrite 51 and lower floor's ferrite 52, on the upper surface that described upper strata ferrite 51 and lower floor's ferrite 52 are close to center conductor 4 respectively and lower surface.The overall structure center conductor 4 that ferritic structure middle can also offer storage tank can directly be positioned in storage tank.
As an embodiment, described magnet comprises upper strata magnet 61 and lower floor's magnet 62, and described upper strata magnet 61 and lower floor's magnet 62 are close on upper strata ferrite 51 and lower floor's ferrite 52 respectively.The structure of magnet middle can also offer the overall structure of holding part, and the thickness of the size of this holding part and ferrite and center conductor 4 adapts.
In sum, the hermetically-sealed construction of the isolator/circulator that the utility model provides, adopt and have RTV silica gel to form RTV layer of silica gel in the indentation, there injection of housing, described layer of silica gel closes breach, and be fixed on the sidewall on the part magnet of corresponding gap position, ferrite and center conductor, seal accommodating cavity, preferably isolation effect can be played.In addition, the thickness of RTV layer of silica gel is the consideration of 2-5mm, comprehensive saving resource and cost aspect, can play preferably sealing effectiveness.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. the hermetically-sealed construction of an isolator/circulator, comprise housing, lid, center conductor, magnet and ferrite, described housing and lid form containing cavity, described magnet, ferrite and the stacked setting of center conductor are also fixed in containing cavity, described housing sidewall offers breach, described center conductor is provided with pin and described pin stretches out from breach, it is characterized in that, described indentation, there injection has RTV silica gel to form RTV layer of silica gel, described RTV layer of silica gel closes accommodating cavity, and be fixed on the part magnet of corresponding gap position, on sidewall on ferrite and center conductor.
2. the hermetically-sealed construction of isolator/circulator according to claim 1, is characterized in that, the thickness of described RTV layer of silica gel is 0.5-3.5mm.
3. the hermetically-sealed construction of isolator/circulator according to claim 1, is characterized in that, the quantity of described breach is three, and three breach are evenly distributed on circular shell sidewall.
4. the hermetically-sealed construction of the isolator/circulator according to any one of claim 1-3, it is characterized in that, described ferrite comprises upper strata ferrite and lower floor's ferrite, on the upper surface that described upper strata ferrite and lower floor's ferrite are close to center conductor respectively and lower surface.
5. the hermetically-sealed construction of isolator/circulator according to claim 4, is characterized in that, described magnet comprises upper strata magnet and lower floor's magnet, and described upper strata magnet and lower floor's magnet are close on upper strata ferrite and lower floor's ferrite respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022168.2U CN204361237U (en) | 2015-01-13 | 2015-01-13 | The hermetically-sealed construction of isolator/circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022168.2U CN204361237U (en) | 2015-01-13 | 2015-01-13 | The hermetically-sealed construction of isolator/circulator |
Publications (1)
| Publication Number | Publication Date |
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| CN204361237U true CN204361237U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520022168.2U Active CN204361237U (en) | 2015-01-13 | 2015-01-13 | The hermetically-sealed construction of isolator/circulator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229594A (en) * | 2016-08-31 | 2016-12-14 | 苏州市浩海精密机械有限公司 | Microwave isolator cavity components |
| US20180053980A1 (en) * | 2016-08-18 | 2018-02-22 | Lockheed Martin Corporation | Corona prevention in radio frequency circuits |
| CN110120572A (en) * | 2019-06-05 | 2019-08-13 | 苏州小工匠机器人有限公司 | Isolator/circulator and its manufacturing method |
| CN111883901A (en) * | 2020-08-03 | 2020-11-03 | 中国电子科技集团公司第九研究所 | Assembling and debugging method for improving high-frequency coaxial circulator/isolator productivity |
| US11610704B2 (en) | 2018-12-21 | 2023-03-21 | Lockheed Martin Corporation | Corona prevention in high power circulators |
-
2015
- 2015-01-13 CN CN201520022168.2U patent/CN204361237U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180053980A1 (en) * | 2016-08-18 | 2018-02-22 | Lockheed Martin Corporation | Corona prevention in radio frequency circuits |
| US10505246B2 (en) * | 2016-08-18 | 2019-12-10 | Lockheed Martin Corporation | Corona prevention in radio frequency circuits |
| CN106229594A (en) * | 2016-08-31 | 2016-12-14 | 苏州市浩海精密机械有限公司 | Microwave isolator cavity components |
| US11610704B2 (en) | 2018-12-21 | 2023-03-21 | Lockheed Martin Corporation | Corona prevention in high power circulators |
| US11961635B2 (en) | 2018-12-21 | 2024-04-16 | Lockheed Martin Corporation | Corona prevention in high power circulators |
| CN110120572A (en) * | 2019-06-05 | 2019-08-13 | 苏州小工匠机器人有限公司 | Isolator/circulator and its manufacturing method |
| CN111883901A (en) * | 2020-08-03 | 2020-11-03 | 中国电子科技集团公司第九研究所 | Assembling and debugging method for improving high-frequency coaxial circulator/isolator productivity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HUAYANG COMMUNICATION TECHNOLOGY CO., LTD Free format text: FORMER NAME: HUAYANG TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Chiwan Shekou Shao Di Road No. 1 Chiwan Industrial Park E Building 1 floor Patentee after: Shenzhen Huayang Communication Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Chiwan Shekou Shao Di Road No. 1 Chiwan Industrial Park E Building 1 floor Patentee before: Shenzhen Hua Yang Communications, Inc |