CN203813005U - Dual-probe waveguide - Google Patents
Dual-probe waveguide Download PDFInfo
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- CN203813005U CN203813005U CN201420233982.4U CN201420233982U CN203813005U CN 203813005 U CN203813005 U CN 203813005U CN 201420233982 U CN201420233982 U CN 201420233982U CN 203813005 U CN203813005 U CN 203813005U
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- waveguide
- probe
- rectangular waveguide
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Abstract
The utility model discloses a dual-probe waveguide, comprising a hollow rectangular waveguide, wherein the middle part of the upper surface of the rectangular waveguide protrudes to form an upper cavity body, the middle part of the lower surface of the rectangular waveguide are sunken on both sides of the rectangular waveguide to form two symmetric lower cavity bodies, a the upper cavity body and the lower cavity bodies are communicated to form a waveguide cavity, edge parts of the upper surfaces of the two lower cavity bodies protrude to from symmetric protrusions, the height of the protrusions is smaller than that of the upper cavity body, a groove is formed between each protrusions and the upper cavity body, the upper cavity body is provided with an input end, the two symmetric lower cavity bodies are respectively provided with an output end, and each of the output ends is provided with a quartz probe. The dual-probe waveguide is matched with an input port of a T/R module, completes the waveguide microstrip transition and power distribution function simultaneously, has smaller insertion loss than that of a method adopting a power divider and probe transition independently, can save size to the maximum extent, and has good power-dividing ratio and standing wave performance.
Description
Technical field
The utility model relates to active Phased Array Radar Antenna T/R module field, particularly a kind of two probe waveguide.
Background technology
Since the thirties in 20th century, radar came out, Radar Technology has obtained high speed development in World War II, and after the nineties, Connectors for Active Phased Array Radar has become the developing main flow of radar.In every Connectors for Active Phased Array Radar, the T/R assembly that comprises multiple quantity, it not only completes reception task but also completes launch mission, also antenna is carried out to phasescan.Each T/R assembly is just equivalent to the tuner of an ordinary radar, has both included emission power amplifier, has again the functional circuits such as low noise amplifier, phase shifter and wave beam control circuit.As the T/R assembly of one of Connectors for Active Phased Array Radar core component, along with modern science and technology is more and more higher to the requirement of Connectors for Active Phased Array Radar, therefore each performance of T/R assembly is also had higher requirement, T/R assembly requires high, the high conformity of integrated level, volume little, lightweight, can adapt to different workbenches and environment.
As shown in accompanying drawing 1-2, the T/R module of inventor's design comprises the housing 1 for mounting circuit and functional module, housing 1 inside is welded with the heat pipe 2 that heat in module can be derived fast, housing 1 is made up of the symmetrical metal structure plate 3 of tow sides, and the surface of structural slab 3 is furnished with the functional templates such as LTCC module 31, ripple control daughter board 32, high frequency substrate.The input port of the each antenna of positive and negative in this T/R module, the feed design that is positioned at the input port 5 of each LTCC module 31 of positive and negative symmetry adopts microstrip transmission line 4, and need to carry out constant amplitude feed to each input port 5.Because LTCC module 31 feed front ends adopt microstrip transmission line, rear end feeding network need to adopt two probe waveguide design, so need to complete the function of Waveguide-microbelt transition and power division at 34 places, T/R module input port, the T/R module whole maximum thickness of inventor's design is 10mm, in the 34 place's small spaces of input port, need to mate two probe waveguides to module housing both sides constant amplitude feed, in prior art, do not provide the two probe waveguide solutions that adapt to this design.
Utility model content
The purpose of this utility model is to overcome existing above-mentioned deficiency in prior art, a kind of two probe waveguide is provided, it completes in module porch module housing both sides constant amplitude feed, this pair of probe waveguide completes Waveguide-microbelt transition and power dividing function simultaneously, Insertion Loss than independently make to divide hard and probe transitions little.
In order to realize foregoing invention object, the technical solution adopted in the utility model is:
A kind of two probe waveguide, comprise hollow rectangular waveguide, described rectangular waveguide upper surface middle part convexes to form upper cavity, described rectangular waveguide lower surface medial recess forms two symmetrical lower chambers in described rectangular waveguide both sides, described upper cavity and the lower chamber formation waveguide cavity that is connected together, the upper surface edge part of two described lower chambers convexes to form symmetrical protrusion, the height of described protrusion is less than the height of described upper cavity, and form groove between each described protrusion and described upper cavity, described upper cavity has an input, two symmetrical lower chambers respectively have an output, each described output is provided with quartz probe.
Preferably, the output of described lower chamber is provided with probe mounting groove, and described quartz probe is pasted and is installed in this probe mounting groove.
Preferably, the area of described rectangular waveguide lower surface medial recess part is greater than the area of described rectangular waveguide upper surface middle part bossing.
Preferably, the shape of described rectangular waveguide lower surface medial recess part and described rectangular waveguide upper surface middle part bossing is rectangle.
Preferably, the middle part of described rectangular waveguide lower surface medial recess part is recessed to form groove again, in this groove, diaphragm is installed.
Preferably, described quartz probe is connected and composed successively by paster, high resistant line, 50 ohm microstrip.
Preferably, described waveguide cavity has two waveguide short faces, and described two waveguide short faces i.e. the lateral surface of two described lower chambers.
compared with prior art, the beneficial effects of the utility model:
The two probe waveguides of the utility model and T/R module input port structure adaptation complete Waveguide-microbelt transition and power dividing function simultaneously, Insertion Loss than independently make to divide hard and probe transitions little, can at utmost save size, merit is divided when standing wave better performances.
brief description of the drawings:
Fig. 1 is the T/R module diagram that inventor designs;
Fig. 2 is another schematic diagram of T/R module that inventor designs;
Fig. 3 is the two probe waveguide simulation model structural representations in the utility model embodiment;
Fig. 4 is the stereogram of Fig. 3;
Fig. 5 is the T/R module diagram that two probe waveguides are installed in the utility model embodiment;
Fig. 6 is the simulation result figure of the two probe waveguides in the utility model embodiment.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of the utility model only limits to following embodiment, all technology realizing based on the utility model content all belong to scope of the present utility model.
Two probe waveguides as shown in Figure 3, comprise hollow rectangular waveguide, described rectangular waveguide upper surface middle part convexes to form upper cavity 10, described rectangular waveguide lower surface medial recess forms two symmetrical lower chambers 20 in described rectangular waveguide both sides, described upper cavity 10 and the lower chamber 20 formation waveguide cavity that is connected together, the upper surface edge part of two described lower chambers 20 convexes to form symmetrical protrusion 201, the height of described protrusion 201 is less than the height of described upper cavity 10, and form groove between each described protrusion 201 and described upper cavity 10, described upper cavity 10 has an input 101, two symmetrical lower chambers 20 respectively have an output 202, each described output 202 is provided with quartz probe 30.This pair of probe waveguide and T/R module input port shape adaptation complete Waveguide-microbelt transition and power dividing function simultaneously.
Concrete, the output 202 of described lower chamber 20 is provided with probe mounting groove (not shown), and described quartz probe 30 is pasted and is installed in this probe mounting groove.The area of described rectangular waveguide lower surface medial recess part is greater than the area of described rectangular waveguide upper surface middle part bossing.The shape of described rectangular waveguide lower surface medial recess part and described rectangular waveguide upper surface middle part bossing is rectangle.The middle part of described rectangular waveguide lower surface medial recess part is recessed to form groove again, and diaphragm 40 is installed in this groove.Described quartz probe 30 is connected and composed successively by paster, high resistant line, 50 ohm microstrip.Described waveguide cavity has two waveguide short faces 50, the i.e. lateral surface of two described lower chambers 20 of described two waveguide short faces 50.
Referring to Fig. 1, Fig. 5 and Fig. 6, this pair of probe waveguide is installed on 34 places, T/R module input port, 34 places, T/R module input port are provided with waveguide cover plate, two probe waveguiding structure cavitys of structure are offered and are formed waveguide cavity 11 on waveguide cover plate as shown in Figure 3, in Fig. 5, there are two symmetrically arranged waveguide cavity 11, be respectively a two probe waveguide, these waveguide cavity 11 shapes are identical with the two probe waveguiding structures shown in Fig. 3, and two probe waveguides realize the constant amplitude feed to module both sides LTCC module by microstrip transmission line 4.
This pair of probe waveguide operation principle: pumping signal input, be divided into two, carry out feed to tow sides, and then carry out merit through the high frequency substrate in quartz probe, TR module and divide syntheticly simultaneously, be connected with LTCC module input gold thread.The same with general probe transitions, two probes need to be realized the transition to waveguide by microstrip line transmission.By the paster radiation of probe, motivate TE10 pattern in waveguide cavity, make its transmission of direction to needs by the reflection of waveguide short face.Two probe merits divide with waveguide in T shape merit divide similar.Ensure that by the geometry symmetry of lower chamber output amplitude is constant amplitude output, carry out control inputs standing wave by the diaphragm 40 that regulates T-section sudden change place (being the groove that the middle part of rectangular waveguide lower surface medial recess part is recessed to form again).
The of the present utility model pair of probe waveguide simulation result and Electric Field Distribution as shown in Figure 7, two probe transitions structure S parameters, two be less than-32dB of probe transitions structure S11, according to test result in early stage, the about 0.5dB of Insertion Loss.The two probe waveguides of the utility model complete Waveguide-microbelt transition and power dividing function simultaneously, Insertion Loss than independently make to divide hard and probe transitions little, can at utmost save size, merit is divided when standing wave better performances.
By reference to the accompanying drawings embodiment of the present utility model is had been described in detail above, but the utility model is not restricted to above-mentioned execution mode, in the spirit and scope situation of claim that does not depart from the application, those skilled in the art can make various amendments or remodeling.
Claims (7)
1. a two probe waveguide, it is characterized in that, comprise hollow rectangular waveguide, described rectangular waveguide upper surface middle part convexes to form upper cavity, described rectangular waveguide lower surface medial recess forms two symmetrical lower chambers in described rectangular waveguide both sides, described upper cavity and the lower chamber formation waveguide cavity that is connected together, the upper surface edge part of two described lower chambers convexes to form symmetrical protrusion, the height of described protrusion is less than the height of described upper cavity, and form groove between each described protrusion and described upper cavity, described upper cavity has an input, two symmetrical lower chambers respectively have an output, each described output is provided with quartz probe.
2. according to claim 1 pair of probe waveguide, is characterized in that, the output of described lower chamber is provided with probe mounting groove, and described quartz probe is pasted and is installed in this probe mounting groove.
3. according to claim 1 pair of probe waveguide, is characterized in that, the area of described rectangular waveguide lower surface medial recess part is greater than the area of described rectangular waveguide upper surface middle part bossing.
4. according to claim 1 pair of probe waveguide, is characterized in that, the shape of described rectangular waveguide lower surface medial recess part and described rectangular waveguide upper surface middle part bossing is rectangle.
5. according to the two probe waveguides described in claim 3 or 4, it is characterized in that, the middle part of described rectangular waveguide lower surface medial recess part is recessed to form groove again, in this groove, diaphragm is installed.
6. according to the two probe waveguides described in claim 1-4 any one, it is characterized in that, described quartz probe is connected and composed successively by paster, high resistant line, 50 ohm microstrip.
7. according to claim 1 pair of probe waveguide, is characterized in that, described waveguide cavity has two waveguide short faces, and described two waveguide short faces i.e. the lateral surface of two described lower chambers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233982.4U CN203813005U (en) | 2014-05-08 | 2014-05-08 | Dual-probe waveguide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233982.4U CN203813005U (en) | 2014-05-08 | 2014-05-08 | Dual-probe waveguide |
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| Publication Number | Publication Date |
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| CN203813005U true CN203813005U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420233982.4U Active CN203813005U (en) | 2014-05-08 | 2014-05-08 | Dual-probe waveguide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943926A (en) * | 2014-05-08 | 2014-07-23 | 成都雷电微力科技有限公司 | Double-probe waveguide |
| CN110380212A (en) * | 2019-06-28 | 2019-10-25 | 中国航空工业集团公司雷华电子技术研究所 | A kind of miniaturization inclined slot on the narrow wall antenna primary feed structure |
-
2014
- 2014-05-08 CN CN201420233982.4U patent/CN203813005U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943926A (en) * | 2014-05-08 | 2014-07-23 | 成都雷电微力科技有限公司 | Double-probe waveguide |
| CN110380212A (en) * | 2019-06-28 | 2019-10-25 | 中国航空工业集团公司雷华电子技术研究所 | A kind of miniaturization inclined slot on the narrow wall antenna primary feed structure |
| CN110380212B (en) * | 2019-06-28 | 2021-12-28 | 中国航空工业集团公司雷华电子技术研究所 | Primary feed structure of broadband miniaturized waveguide narrow-edge slot antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 610041 Shiyang Industrial Park, No.288, Yixin Avenue, hi tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu lightning Micro Power Technology Co., Ltd Address before: 610041 Shiyang Industrial Park, hi tech Zone, Chengdu, Sichuan Patentee before: RML TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |