CN202737063U - High temperature resistant waveguide coaxial structure - Google Patents
High temperature resistant waveguide coaxial structure Download PDFInfo
- Publication number
- CN202737063U CN202737063U CN 201220407092 CN201220407092U CN202737063U CN 202737063 U CN202737063 U CN 202737063U CN 201220407092 CN201220407092 CN 201220407092 CN 201220407092 U CN201220407092 U CN 201220407092U CN 202737063 U CN202737063 U CN 202737063U
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- cavity
- heat insulation
- waveguide
- coaxial structure
- socket
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Abstract
The utility model discloses a high temperature resistant waveguide coaxial structure. The high temperature resistant waveguide coaxial structure comprises a rectangular metal waveguide cavity and a socket arranged on the rectangular metal waveguide cavity which is provided with a cavity. The temperature resistant waveguide coaxial structure further comprises an insulating block which is arranged in the cavity of the rectangular metal waveguide cavity, wherein a through hole is arranged on the upper surface of the insulating block, and the lower end of a wall through cylinder of the socket is inserted into the through hole of the insulating block; and an insulating block metal coated layer which is arranged on the lower surface of the insulating block and attached to the rectangular metal waveguide cavity compactly. The high temperature resistant waveguide coaxial structure provided by the utility model can be applied to a millimeter wave frequency range under a high temperature environment, so that the electrical property of the socket is ensured, the good standing-wave ratio of the waveguide coaxial structure is guaranteed, and the insertion loss of the high temperature resistant waveguide coaxial structure is reduced.
Description
Technical field
The utility model relates to the feed field of metal waveguide under the hot environment, be used for the coaxial socket excitation of the various antennas of under hot environment, making with metal waveguide and microwave device, particularly a kind of resistant to elevated temperatures Waveguide coaxial structure.
Background technology
Existing Waveguide coaxial transformational structure is usually used in the antenna and microwave device that metal waveguide is main structure, and this feeding classification is namely reliable simply again.Can not consider the factor affecting of temperature environment under normal temperature environment, coaxial socket can directly carry out feed to waveguide.But because coaxial socket has the hot operation temperature upper limit, the coaxial socket high temperature ceiling temperature that does not add any treatment measures is 180 ℃, surpasses this temperature, the electrical property of coaxial socket will worsen, so that the standing-wave ratio variation of waveguide coaxial converter, it is large that insertion loss becomes, even can not use.
In the situation that operating frequency is not higher than 20GHz, can use the SMA socket.The resistant to elevated temperatures SMA socket of modified model is the reversed polarity socket that adopts the glass sintering ceramic material.This socket can anti-350 ℃ temperature environment.But the SMA socket of this kind reversed polarity can't be used for millimeter wave field (being that operating frequency is greater than the situation of 26GHz).
The utility model content
The purpose of this utility model provides a kind of resistant to elevated temperatures Waveguide coaxial structure, can be applied to the millimeter wave frequency band under the hot environment, guarantees the electrical property of socket, guarantees Waveguide coaxial well-formed's standing-wave ratio, and inserts it into loss and diminish.
In order to realize above purpose, the utility model is achieved through the following technical solutions:
A kind of resistant to elevated temperatures Waveguide coaxial structure comprises: rectangular metal waveguide cavity and be arranged on socket on the described rectangular metal waveguide cavity, and described rectangular metal waveguide cavity is provided with cavity; Described resistant to elevated temperatures Waveguide coaxial structure also comprises:
Heat insulation, described heat insulation are arranged in the cavity of described rectangular metal waveguide cavity, and the upper surface of this heat insulation is provided with through hole, and the through walls cylindrical lower end of described socket is plugged in the through hole of this heat insulation;
The heat insulation metal-clad, described heat insulation metal-clad is arranged on the lower surface of heat insulation, and this heat insulation metal-clad and rectangular metal waveguide cavity fit tightly.
The material of described heat insulation is quartz fibre enhancement mode polyimides.
The material of described heat insulation metal-clad is copper.
Be respectively equipped with a pair of size screwed hole corresponding with the position on described heat insulation, socket and the cavity.
Shape and the size of described heat insulation and cavity are complementary, in spacing block is fixed on cavity, and the upper surface flush of the outer surface of heat insulation and rectangular metal waveguide cavity.
The utility model compared with prior art has the following advantages:
Can be applied to the millimeter wave frequency band under the hot environment, guarantee the electrical property of socket, guarantee Waveguide coaxial well-formed's standing-wave ratio, and insert it into loss and diminish.
Description of drawings
Fig. 1 is the structural representation of a kind of resistant to elevated temperatures Waveguide coaxial structure of the utility model;
Fig. 2 is the Anatomical Structure decomposing schematic representation of a kind of resistant to elevated temperatures Waveguide coaxial structure of the utility model;
Fig. 3 is the structural representation of the heat insulation of a kind of resistant to elevated temperatures Waveguide coaxial structure of the utility model;
Fig. 4 is the structural representation of the rectangular metal waveguide cavity of a kind of resistant to elevated temperatures Waveguide coaxial structure of the utility model.
Embodiment
Below in conjunction with accompanying drawing, by describing a better specific embodiment in detail, the utility model is further elaborated.
As depicted in figs. 1 and 2, a kind of resistant to elevated temperatures Waveguide coaxial structure comprises: rectangular metal waveguide cavity 5 and socket 2 disposed thereon, and wherein, rectangular metal waveguide cavity 5 is provided with cavity 6; The resistant to elevated temperatures Waveguide coaxial structure of the utility model also comprises: heat insulation 3 and heat insulation metal-clad 4.
Wherein, as depicted in figs. 1 and 2, heat insulation 3 is arranged in the above-mentioned cavity 6, in the present embodiment, shape and the size of heat insulation 3 and cavity 6 are complementary, in spacing block 3 is fixed on cavity 6, and the upper surface flush of the outer surface of heat insulation 3 and rectangular metal waveguide cavity 5; The upper surface of heat insulation 3 is provided with through hole 31, and the lower end of the cylinder through walls 21 of socket 2 is plugged in the through hole 31 of this heat insulation 3, by the separation of this heat insulation 3, has avoided heat of high temperature directly to be transmitted on the socket 2 from rectangular metal waveguide cavity 5; Depend on the selection of the material of heat insulation 3 owing to determining the resistant to elevated temperatures temperature upper limit of the resistant to elevated temperatures Waveguide coaxial structure of the utility model, therefore, in the present embodiment, the material selection quartz fibre enhancement mode polyimides of heat insulation, thus can guarantee that the utility model can anti-400 ℃ hot environment.
Shown in Fig. 2 and 3, heat insulation metal-clad 4 is arranged on the lower surface of heat insulation 3, and this heat insulation metal-clad 4 fits tightly with rectangular metal waveguide cavity 5, thereby guarantees that rectangular metal waveguide cavity 5 has continuous metal structure; In the present embodiment, the material of heat insulation metal-clad 4 is copper, so that the insertion loss of the resistant to elevated temperatures Waveguide coaxial structure of the utility model diminishes.
Such as Fig. 2 ~ shown in Figure 4, be respectively equipped with a pair of size screwed hole corresponding with the position on heat insulation 3, socket 2 and the cavity 6, in the present embodiment, by metallic screw and screwed hole socket 2 and heat insulation 3 are tightened together with rectangular metal waveguide cavity 5.
In sum, a kind of resistant to elevated temperatures Waveguide coaxial structure of the utility model can be applied to the millimeter wave frequency band under the hot environment, guarantees the electrical property of socket, guarantees Waveguide coaxial well-formed's standing-wave ratio, and inserts it into loss and diminish.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (5)
1. resistant to elevated temperatures Waveguide coaxial structure comprises: rectangular metal waveguide cavity (5) and be arranged on socket (2) on the described rectangular metal waveguide cavity (5), it is characterized in that, and described rectangular metal waveguide cavity (5) is provided with cavity (6); Described resistant to elevated temperatures Waveguide coaxial structure also comprises:
Heat insulation (3), described heat insulation (3) is arranged in the cavity (6) of described rectangular metal waveguide cavity (5), the upper surface of this heat insulation (3) is provided with through hole (31), and the lower end of the cylinder through walls (21) of described socket (2) is plugged in the through hole (31) of this heat insulation (3);
Heat insulation metal-clad (4), described heat insulation metal-clad (4) is arranged on the lower surface of heat insulation (3), and this heat insulation metal-clad (4) fits tightly with rectangular metal waveguide cavity (5).
2. resistant to elevated temperatures Waveguide coaxial structure as claimed in claim 1 is characterized in that, the material of described heat insulation is quartz fibre enhancement mode polyimides.
3. resistant to elevated temperatures Waveguide coaxial structure as claimed in claim 1 is characterized in that, the material of described heat insulation metal-clad (4) is copper.
4. resistant to elevated temperatures Waveguide coaxial structure as claimed in claim 1 is characterized in that, is respectively equipped with a pair of size screwed hole corresponding with the position on described heat insulation (3), socket (2) and the cavity (6).
5. resistant to elevated temperatures Waveguide coaxial structure as claimed in claim 1, it is characterized in that, shape and the size of described heat insulation (3) and cavity (6) are complementary, in spacing block (3) is fixed on cavity (6), the upper surface flush of the outer surface of heat insulation (3) and rectangular metal waveguide cavity (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407092 CN202737063U (en) | 2012-08-17 | 2012-08-17 | High temperature resistant waveguide coaxial structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407092 CN202737063U (en) | 2012-08-17 | 2012-08-17 | High temperature resistant waveguide coaxial structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737063U true CN202737063U (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220407092 Expired - Lifetime CN202737063U (en) | 2012-08-17 | 2012-08-17 | High temperature resistant waveguide coaxial structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820498A (en) * | 2012-08-17 | 2012-12-12 | 上海无线电设备研究所 | High temperature resistant waveguide coaxial structure |
-
2012
- 2012-08-17 CN CN 201220407092 patent/CN202737063U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820498A (en) * | 2012-08-17 | 2012-12-12 | 上海无线电设备研究所 | High temperature resistant waveguide coaxial structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
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| CX01 | Expiry of patent term |