CN202997019U - Separated waveguide isolator - Google Patents
Separated waveguide isolator Download PDFInfo
- Publication number
- CN202997019U CN202997019U CN 201220718057 CN201220718057U CN202997019U CN 202997019 U CN202997019 U CN 202997019U CN 201220718057 CN201220718057 CN 201220718057 CN 201220718057 U CN201220718057 U CN 201220718057U CN 202997019 U CN202997019 U CN 202997019U
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- cavity
- matching blocks
- metal matching
- upper cavity
- lower chamber
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Abstract
The utility model discloses a separated waveguide isolator, comprising an upper cavity, a lower cavity, a microwave ferrite, metal matching blocks, permanent magnets, an absorption load and a polytetrafluoroethylene medium, wherein the upper cavity is detachably fixed on the lower cavity to form an isolation cavity, the opposite surfaces of the upper and lower cavities are correspondingly provided the metal matching blocks, the microwave ferrite is arranged between the upper and lower metal matching blocks, between the microwave ferrite and the metal matching blocks there are also respectively provided the polytetrafluoroethylene medium, the absorption load is arranged inside the lower cavity, the upper cavity and the lower cavity are respectively provided with a magnetic field cavity, and inside the magnetic field cavities there are provided the permanent magnets. The separated waveguide isolator enables the isolation cavity to be divided into the upper cavity and the lower cavity, the separated structure can ensure the mounting position to be accurate and reduces the mounting error in the process of mounting, and simultaneously internal components of the cavities are also convenient for mounting, thereby increasing the mounting efficiency, and ensuring the mounting quality and product stability.
Description
Technical field
The utility model relates to a kind of isolator for field of mobile communication, is specifically related to a kind of split type waveguide isolator.
Background technology
The separate cavities of existing traditional waveguide isolator is whole chamber, and inside cavity poor flatness, size be difficult for guaranteeing, installs very inconveniently, and efficient is low, and error is large, easily causes the inconsistent situation of installation; Simultaneously, existing split type waveguide isolator only has the flange hole of four standards, and alignment error is also larger.
The utility model content
The utility model purpose: the purpose of this utility model is for the deficiencies in the prior art, and the split type waveguide isolator that a kind of installation effectiveness is high, error is little, consistency is high is provided.
Technical scheme: a kind of split type waveguide isolator described in the utility model comprises upper cavity, lower chamber, microwave ferrite, metal matching blocks, permanent magnet, absorbing load and PTFE medium; Described upper cavity removably is fixed on and is combined into separate cavities on lower chamber, the corresponding metal matching blocks that is provided with respectively on the opposite face of described upper cavity and lower chamber, described microwave ferrite is arranged between the metal matching blocks of two of up and down, and also is provided with PTFE medium between described microwave ferrite and metal matching blocks; Described absorbing load is arranged in lower chamber, has the chamber, magnetic field on described upper cavity and lower chamber, and described magnetic field is provided with permanent magnet in the chamber.
Further, the both sides of the metal matching blocks in described upper cavity and lower chamber are respectively equipped with ceramic cylinder.
Further, described metal matching blocks is triangle, and described microwave ferrite is cylindrical.
Further, described microwave ferrite is made with the nickeliferous material of anti-power, and described permanent magnet is the samarium cobalt permanent magnet body.
The utility model compared with prior art, its beneficial effect is: the utility model is by being divided into separate cavities the split-type structural of upper cavity and lower chamber, make when mounted, can guarantee the correct position installed, reduce error, the cavity inner part is installed simultaneously also more convenient, has been improved installation effectiveness, guaranteed the stable performance of installation quality and product.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the external form figure after the utility model assembling.
Embodiment
The below is elaborated to technical solutions of the utility model, but protection range of the present utility model is not limited to described embodiment.
Embodiment 1:As illustrated in fig. 1 and 2, a kind of split type waveguide isolator comprises upper cavity 1, lower chamber 2, microwave ferrite 3, PTFE medium 4, absorbing load 5, metal matching blocks 6, ceramics pole 7, permanent magnet 8, cover plate 9;
Described upper cavity 1 is fixed together by bolt 10 and screw 11 with lower chamber 2 and is combined into separate cavities, the bottom surface of described upper cavity 1 is provided with bumping square and column type projection, the position that the end face of described lower chamber 2 is corresponding is provided with direction groove and the cylinder shape groove that is complementary with bumping square and cylindrical bump, can make lower chamber 1 and upper cavity 2 locate fixing by described bumping square, column type projection, direction groove and cylinder shape groove;
The corresponding metal matching blocks 6 that is provided with respectively on the opposite face of described upper cavity 1 and lower chamber 2, described microwave ferrite 4 is arranged between the metal matching blocks of two of up and down, and also is provided with PTFE medium 4 between described microwave ferrite 3 and metal matching blocks 6;
Also be provided with cylindrical magnetic field chamber 13 on described upper cavity 1 and lower chamber 2, be provided with cylindrical permanent magnet 8 in chamber, described magnetic field 13, described permanent magnet 8 is encapsulated in chamber, magnetic field 13 by cover plate 9;
Described absorbing load 5 is arranged in the groove 12 of lower chamber 1;
The both sides of the metal matching blocks 6 in described upper cavity 1 and lower chamber 2 are respectively equipped with ceramic cylinder 7.
The key technical indexes of the present utility model such as following table:
| Frequency range | 37-40GHz |
| Forward loss | ≤0.3dB |
| Reverse isolation | ≥20dB |
| Standing-wave ratio | ≥20dB |
| Temperature range | -40℃~+85℃ |
| Overall dimension | 12.7×32×19.56mm |
As mentioned above, although represented and explained the utility model with reference to specific preferred embodiment, it shall not be construed as the restriction to the utility model self.Under the spirit and scope prerequisite of the present utility model that does not break away from the claims definition, can make in the form and details various variations to it.
Claims (4)
1. a split type waveguide isolator, is characterized in that, comprises upper cavity, lower chamber, microwave ferrite, metal matching blocks, permanent magnet, absorbing load and PTFE medium; Described upper cavity removably is fixed on and is combined into separate cavities on lower chamber, the corresponding metal matching blocks that is provided with respectively on the opposite face of described upper cavity and lower chamber, described microwave ferrite is arranged between the metal matching blocks of two of up and down, and also is provided with PTFE medium between described microwave ferrite and metal matching blocks; Described absorbing load is arranged in lower chamber, has the chamber, magnetic field on described upper cavity and lower chamber, and described magnetic field is provided with permanent magnet in the chamber.
2. split type waveguide isolator according to claim 1, is characterized in that, the both sides of the metal matching blocks in described upper cavity and lower chamber are respectively equipped with ceramic cylinder.
3. split type waveguide isolator according to claim 1, is characterized in that, described metal matching blocks is triangle, and described microwave ferrite is cylindrical.
4. split type waveguide isolator according to claim 1, is characterized in that, described microwave ferrite is made with the nickeliferous material of anti-power, and described permanent magnet is the samarium cobalt permanent magnet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220718057 CN202997019U (en) | 2012-12-24 | 2012-12-24 | Separated waveguide isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220718057 CN202997019U (en) | 2012-12-24 | 2012-12-24 | Separated waveguide isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997019U true CN202997019U (en) | 2013-06-12 |
Family
ID=48568151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220718057 Expired - Fee Related CN202997019U (en) | 2012-12-24 | 2012-12-24 | Separated waveguide isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997019U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785300A (en) * | 2017-01-03 | 2017-05-31 | 西南应用磁学研究所 | Microstrip isolator bonding jig |
| CN106785283A (en) * | 2017-02-21 | 2017-05-31 | 南京广顺电子技术研究所 | Three port co-planar waveguide circulators |
| CN113839164A (en) * | 2021-10-15 | 2021-12-24 | 散裂中子源科学中心 | High-power Y-junction type waveguide circulator |
-
2012
- 2012-12-24 CN CN 201220718057 patent/CN202997019U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785300A (en) * | 2017-01-03 | 2017-05-31 | 西南应用磁学研究所 | Microstrip isolator bonding jig |
| CN106785283A (en) * | 2017-02-21 | 2017-05-31 | 南京广顺电子技术研究所 | Three port co-planar waveguide circulators |
| CN106785283B (en) * | 2017-02-21 | 2022-04-01 | 南京广顺电子技术研究所有限公司 | Three-port coplanar waveguide circulator |
| CN113839164A (en) * | 2021-10-15 | 2021-12-24 | 散裂中子源科学中心 | High-power Y-junction type waveguide circulator |
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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 |
Granted publication date: 20130612 Termination date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |