CN202997015U - Satellite antenna and waveguide filter - Google Patents
Satellite antenna and waveguide filter Download PDFInfo
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- CN202997015U CN202997015U CN 201220726945 CN201220726945U CN202997015U CN 202997015 U CN202997015 U CN 202997015U CN 201220726945 CN201220726945 CN 201220726945 CN 201220726945 U CN201220726945 U CN 201220726945U CN 202997015 U CN202997015 U CN 202997015U
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Abstract
A satellite antenna and a waveguide filter. The waveguide filter comprises a tube body and a first rib structure. The tube body comprises a first inner wall. The first rib structure comprises a first rib; the first rib is arranged in the tube body to form the first inner wall and comprises a first segment part and a second segment part, wherein the first segment part and the second segment part extend in the vertical direction of a first straight line, a first groove is formed between the first segment part and the second segment part, and a first groove gap of the first groove is between 0.1mm and 1.2mm. According to the waveguide filter, flexibility of design can be improved, a more complex structure of the waveguide filter is allowed, convenience in mold design is provided, and requirements for batch production are met under a prerequisite that original electromagnetic characteristics are maintained.
Description
Technical field
The utility model relates to a kind of satellite antenna and waveguide filter, particularly a kind of waveguide filter that is applied to satellite antenna.
Background technology
Known waveguide filter, such as Chebyshev's projection filter (Tapered Chebyshev function stub filter) and Zuro's tower husband projection filter (Tapered Zolotarev function stub filter) etc., demand due to impedance matching, its volume is larger, is difficult to dwindle.
In addition, waveguide filter generally is shaped in the mode of die sinking casting, and with reference to Figure 1A, it shows known waveguide filter 1, and it has superstructure 10 and understructure 20, and superstructure 10 has upper strata flank 11, and understructure 20 has lower floor's flank 21.In casting process, superstructure 10 and understructure 20 are cast respectively.When assembling, combination suture 30 was kept away upper strata flank 11 and lower floor's flank 21, avoiding affecting the profile pattern of upper strata flank 11 and lower floor's flank 21, and anti-stop signal is interfered because of the surface irregularity of upper strata flank 11 and lower floor's flank 21 in processing procedure.
In known concept, if combination suture 30 through flank itself, will cause the rib portion surfaces out-of-flatness because of the assembling tolerance, and signal is interfered in processing procedure.With reference to Figure 1B, if combination suture 30' through flank 11, flank 11 will the section of being cut into section 12 and section section 13, section section 12 and section section 13 tolerance in contraposition will form out-of-flatness place 14.Will cause the change of impedance matching due to tolerance any in waveguide filter or out-of-flatness, therefore in the design process of known waveguide filter, the combination suture is all avoided through flank or other important filter structures as far as possible.
Therefore, need to provide a kind of satellite antenna and waveguide filter to solve the problems referred to above.
The utility model content
A kind of waveguide filter that solves the problem of known technology and provide has been provided the utility model, and this waveguide filter comprises: a body and a first rib structure; This body comprises one first inwall; This first rib structure comprises: a first rib, this first rib is located among this body and is formed at this first inwall, this first rib comprises a first paragraph section and a second segment section, wherein, this first paragraph section and this vertical direction of second segment section on one first straight line are extended, one first channel shaped is formed between this first paragraph section and this second segment section, and one first groove pitch of this first groove is between 0.1～1.2 millimeter.
The utility model also provides a kind of satellite antenna, and this satellite antenna comprises: a reflecting disc, and this reflecting disc receives a wireless signal; One waveguide, this waveguide receive this wireless signal by this reflecting disc reflection; One waveguide filter, this waveguide filter connects this waveguide, processes this wireless signal is carried out filtering, and wherein, this waveguide filter comprises: a body, this body comprise one first inwall; An and first rib structure, this first rib structure comprises: a first rib, this first rib is located among this body and is formed at this first inwall, this first rib comprises a first paragraph section and a second segment section, wherein, this first paragraph section and this second segment section vertical direction on one first straight line is extended, and one first channel shaped is formed between this first paragraph section and this second segment section, and one first groove pitch of this first groove is between 0.1～1.2 millimeter; And a frequency down circuit, this frequency down circuit connects this waveguide filter, so that this wireless signal is carried out down conversion process.
Characteristics of the present utility model are, allow the combination suture through rib structure, and find, by suitable trench design, the effect of waveguide filter is not subject to obvious impact.The waveguide filter of the utility model embodiment can improve flexibility ratio in design, allows more complicated waveguide filter structure, and the convenience on Design of Dies is provided, and can under the prerequisite of keeping electromagnetic property originally, satisfy the volume production demand.
Description of drawings
Figure 1A shows known waveguide filter;
Figure 1B shows in known concept, the situation of combination suture process flank;
Fig. 2 A shows the constitutional diagram of the waveguide filter of the utility model embodiment;
Fig. 2 B shows the exploded view of the waveguide filter of the utility model embodiment;
Fig. 3 shows the waveguide filter of another embodiment of the utility model;
Fig. 4 shows the reflection loss (return loss) of the waveguide filter of Fig. 2 A embodiment;
Fig. 5 shows the insertion loss (insertion loss) of the waveguide filter of Fig. 2 A embodiment; And
Fig. 6 shows the block diagram of the satellite antenna of the utility model embodiment.
The primary clustering symbol description:
The 4th section section of 1 waveguide filter 122
10 superstructure 123 second straight lines
11 upper strata flank 124 second grooves
12,13 sections section 130 the 3rd ribs
The 5th section section of 14 out-of-flatnesses place 131
The 6th section section of 20 understructures 132
21 lower floor's flank 133 the 3rd straight lines
30,30' combination suture 134 the 3rd groove
100,100' waveguide filter 140 the 4th rib
101 the 7th section, first rib structure 141 sections
102 the 8th section, second rib structure 142 sections
103 first component 143 the 4th straight lines
104 second component 144 the 4th grooves
105 combination suture 190 bodys
110 first rib 191 first inwalls
111 first paragraph section 192 second inwalls
112 second segment section 181,182 opening sections
113 first straight line 200 satellite antennas
114 first groove 201 wireless signals
120 second rib 210 reflecting discs
121 the 3rd sections section's 220 waveguides
D1, d2, d3 spacing 230 frequency down circuit
H1, h2, h3 height
Embodiment
With reference to Fig. 2 A, its waveguide filter 100 that shows the utility model embodiment comprises a body 190 and first rib structure 101.First rib structure 101 comprises a first rib 110, a second rib 120 and one the 3rd rib 130.Body 190 comprises one first inwall 191.
This second rib 120 is formed at this first inwall 191 and is parallel to this first rib 110, this second rib 120 comprises one the 3rd section section 121 and one the 4th section section 122, wherein, the 3rd section section 121 and the 4th section vertical direction of section 122 on one second straight line 123 are extended, one second groove 124 is formed between the 3rd section section 121 and the 4th section section 122, and one second groove pitch d2 of this second groove 124 is between 0.1～1.2 millimeter.
The 3rd rib 130 is formed at this first inwall 191 and is parallel to this first rib 110, this second rib 120 is between this first rib 110 and the 3rd rib 130, the 3rd rib 130 comprises one the 5th section section 131 and one the 6th section section 132, wherein, the 5th section section 131 and the 6th section vertical direction of section 132 on one the 3rd straight line 133 are extended, one the 3rd groove 134 is formed between the 5th section section 131 and the 6th section section 132, and one the 3rd groove pitch of the 3rd groove 134 is between 0.1～1.2 millimeter.
In this embodiment, this first inwall 191 is the plane, the first rib structure 101 of middle body is highly higher, the first rib structure 101 of two side portions is highly lower, this first rib 110 has one first height h1, this second rib 120 has one second height h2, and the 3rd rib 130 has a third high degree h3.This second height h2 is greater than this first height h1 and this third high degree h3.And the open of the utility model embodiment do not limit the utility model, and in one embodiment, the first rib structure 101 of middle body highly can be lower, and the first rib structure 101 of two side portions highly can be higher.Or all first rib structures 101 are highly identical.Or other suitably change.
At reference Fig. 2 A, Fig. 2 B, different from known concept, the combination suture 105 of the waveguide filter of the utility model embodiment passes rib structure, and this waveguide filter is cut into a first component 103 and a second component 104, wherein, this first component 103 and this second component 104 combinations and form this waveguide filter, this first paragraph section 111 is shaped on this first component 103, and this second segment section 112 is shaped on this second component 104.The cross section of this body 190 is rectangular, and the opening section 181 of this first component 103 is the U font, and the opening section 182 of this second component 104 is the U font.
With reference to Fig. 3, it shows the waveguide filter 100 of another embodiment of the utility model ' comprise a body 190, first rib structure 101 and second rib structure 102.Second rib structure 102 is located among this body 190, and this body 190 comprises one second inwall 192, and this second inwall 192 is the plane, relative this first inwall 191 of this second inwall 192, and this second rib structure 102 is formed at this second inwall 192.This first rib structure 101 is symmetrical with this second rib structure 102.Be same as first rib structure 101, this second rib structure 102 comprises one the 4th rib 140, the 4th rib 140 comprises one the 7th section section 141 and one the 8th section section 142, wherein, the 7th section section 141 and the 8th section vertical direction of section 142 on one the 4th straight line 143 are extended, one the 4th groove 144 is formed between the 7th section section 141 and the 8th section section 142, one the 4th groove pitch of the 4th groove 144 is between 0.1～1.2 millimeter, and the 4th groove 144 is located along the same line with this first groove 114.
Characteristics of the present utility model are, allow the combination suture through rib structure, and find, by suitable trench design, the effect of waveguide filter is not subject to obvious impact.With reference to Fig. 4 and Fig. 5, Fig. 4 shows the reflection loss of the waveguide filter of Fig. 2 A embodiment, can be found by Fig. 4, equal 0(combination suture without crossing rib structure compared to groove pitch (gap)) situation, groove pitch is within the scope of 0.1～1.2 millimeter, and the reflection loss of waveguide filter does not have significant deterioration.Fig. 5 shows the insertion loss of the waveguide filter of Fig. 2 A embodiment, can be found by Fig. 5, compare groove pitch and equal 0(combination suture without crossing rib structure) situation, groove pitch is within the scope of 0.1～1.2 millimeter, the insertion loss of waveguide filter does not have significant deterioration.
With reference to Fig. 6, it shows the block diagram of the satellite antenna 200 of the utility model embodiment, and satellite antenna 200 comprises a reflecting disc 210, a waveguide 220, aforesaid waveguide filter 100 and a frequency down circuit 230.Reflecting disc 210 receives a wireless signal 201.Waveguide 220 receives this wireless signal 201 by these reflecting disc 210 reflections.Waveguide filter 100 connects this waveguide 220, processes this wireless signal 201 is carried out filtering.Frequency down circuit 230 connects this waveguide filter 100, so that this wireless signal 201 is carried out down conversion process.
The waveguide filter of the utility model embodiment can improve flexibility ratio in design, allows more complicated waveguide filter structure, and the convenience on Design of Dies is provided, and can under the prerequisite of keeping electromagnetic property originally, satisfy the volume production demand.
Although the utility model with concrete preferred embodiment openly as above; yet it is not to limit the utility model; any those skilled in the art; in the situation that do not break away from spirit and scope of the present utility model; therefore still can do a little change and retouching, the protection range of the present utility model scope person of defining that should look appending claims is as the criterion.
Claims (20)
1. waveguide filter, this waveguide filter comprises:
One body, this body comprise one first inwall; And
One first rib structure, this first rib structure comprises:
One first rib, it is characterized in that, this first rib is located among this body and is formed at this first inwall, this first rib comprises a first paragraph section and a second segment section, wherein, this first paragraph section and this second segment section vertical direction on one first straight line is extended, and one first channel shaped is formed between this first paragraph section and this second segment section, and one first groove pitch of this first groove is between 0.1～1.2 millimeter.
2. waveguide filter as claimed in claim 1, it is characterized in that, this first rib structure also comprises a second rib, this second rib is formed at this first inwall and is parallel to this first rib, this second rib comprises one the 3rd section section and one the 4th section section, and wherein, the 3rd section section and the 4th section vertical direction of section on one second straight line are extended, one second channel shaped is formed between the 3rd section section and the 4th section section, and one second groove pitch of this second groove is between 0.1～1.2 millimeter.
3. waveguide filter as claimed in claim 2, is characterized in that, this first rib has one first height, and this second rib has one second height, and this second height is greater than this first height.
4. waveguide filter as claimed in claim 2, it is characterized in that, this first rib structure also comprises one the 3rd rib, the 3rd rib is formed at this first inwall and is parallel to this first rib, this second rib is between this first rib and the 3rd rib, the 3rd rib comprises one the 5th section section and one the 6th section section, wherein, the 5th section section and the 6th section vertical direction of section on one the 3rd straight line are extended, one the 3rd channel shaped is formed between the 5th section section and the 6th section section, and one the 3rd groove pitch of the 3rd groove is between 0.1～1.2 millimeter.
5. waveguide filter as claimed in claim 4, is characterized in that, this first rib has one first height, and this second rib has one second height, and the 3rd rib has a third high degree, and this second height is greater than this first height and this third high degree.
6. waveguide filter as claimed in claim 1, is characterized in that, this first inwall is the plane.
7. waveguide filter as claimed in claim 1, it is characterized in that, this waveguide filter also comprises a second rib structure, this second rib structure is located among this body, this body comprises one second inwall, this second inwall is this first inwall relatively, this second rib structure is formed at this second inwall, this second rib structure comprises one the 4th rib, the 4th rib comprises one the 7th section section and one the 8th section section, wherein, the 7th section section and the 8th section vertical direction of section on one the 4th straight line are extended, one the 4th channel shaped is formed between the 7th section section and the 8th section section, one the 4th groove pitch of the 4th groove is between 0.1～1.2 millimeter, the 4th groove and this first groove are located along the same line.
8. waveguide filter as claimed in claim 7, is characterized in that, this first rib structure and this second rib structure are symmetrical.
9. waveguide filter as claimed in claim 7, is characterized in that, this second inwall is the plane.
10. waveguide filter as claimed in claim 1, it is characterized in that, this waveguide filter also comprises a first component and a second component, wherein, this first component and this second component combination and form this waveguide filter, this first paragraph section is shaped on this first component, and this second segment section is shaped on this second component.
11. waveguide filter as claimed in claim 10 is characterized in that, the cross section of this body is rectangular, and the opening section of this first component and this second component is the U font.
12. a satellite antenna, this satellite antenna comprises:
One reflecting disc, this reflecting disc receives a wireless signal;
One waveguide, this waveguide receive this wireless signal by this reflecting disc reflection;
One waveguide filter, this waveguide filter connects this waveguide, processes this wireless signal is carried out filtering, and wherein, this waveguide filter comprises:
One body, this body comprise one first inwall; And
One first rib structure, this first rib structure comprises:
One first rib, it is characterized in that, this first rib is located among this body and is formed at this first inwall, this first rib comprises a first paragraph section and a second segment section, wherein, this first paragraph section and this second segment section vertical direction on one first straight line is extended, and one first channel shaped is formed between this first paragraph section and this second segment section, and one first groove pitch of this first groove is between 0.1～1.2 millimeter; And
One frequency down circuit, this frequency down circuit connects this waveguide filter, so that this wireless signal is carried out down conversion process.
13. satellite antenna as claimed in claim 12, it is characterized in that, this first rib structure also comprises a second rib, this second rib is formed at this first inwall and is parallel to this first rib, this second rib comprises one the 3rd section section and one the 4th section section, and wherein, the 3rd section section and the 4th section vertical direction of section on one second straight line are extended, one second channel shaped is formed between the 3rd section section and the 4th section section, and one second groove pitch of this second groove is between 0.1～1.2 millimeter.
14. satellite antenna as claimed in claim 13 is characterized in that, this first rib has one first height, and this second rib has one second height, and this second height is greater than this first height.
15. satellite antenna as claimed in claim 12 is characterized in that, this first inwall is the plane.
16. satellite antenna as claimed in claim 12, it is characterized in that, this waveguide filter also comprises a second rib structure, this second rib structure is located among this body, this body comprises one second inwall, this second inwall is this first inwall relatively, this second rib structure is formed at this second inwall, this second rib structure comprises one the 4th rib, the 4th rib comprises one the 7th section section and one the 8th section section, wherein, the 7th section section and the 8th section vertical direction of section on one the 4th straight line are extended, one the 4th channel shaped is formed between the 7th section section and the 8th section section, one the 4th groove pitch of the 4th groove is between 0.1～1.2 millimeter, the 4th groove and this first groove are located along the same line.
17. satellite antenna as claimed in claim 16 is characterized in that, this first rib structure and this second rib structure are symmetrical.
18. satellite antenna as claimed in claim 16 is characterized in that, this second inwall is the plane.
19. satellite antenna as claimed in claim 12, it is characterized in that, this satellite antenna also comprises a first component and a second component, wherein, this first component and this second component combination and form this waveguide filter, this first paragraph section is shaped on this first component, and this second segment section is shaped on this second component.
20. satellite antenna as claimed in claim 19 is characterized in that, the cross section of this body is rectangular, and the opening section of this first component and this second component is the U font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726945 CN202997015U (en) | 2012-12-25 | 2012-12-25 | Satellite antenna and waveguide filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726945 CN202997015U (en) | 2012-12-25 | 2012-12-25 | Satellite antenna and waveguide filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997015U true CN202997015U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220726945 Expired - Fee Related CN202997015U (en) | 2012-12-25 | 2012-12-25 | Satellite antenna and waveguide filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331924A (en) * | 2016-11-25 | 2017-11-07 | 成都银丰信禾电子科技有限公司 | Waveguide type filter |
| CN107359390A (en) * | 2017-03-07 | 2017-11-17 | 成都银丰信禾电子科技有限公司 | 6 ~ 18GHz waveguide type filters |
-
2012
- 2012-12-25 CN CN 201220726945 patent/CN202997015U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331924A (en) * | 2016-11-25 | 2017-11-07 | 成都银丰信禾电子科技有限公司 | Waveguide type filter |
| CN107331924B (en) * | 2016-11-25 | 2020-09-01 | 成都恪赛科技有限公司 | Waveguide type filter |
| CN107359390A (en) * | 2017-03-07 | 2017-11-17 | 成都银丰信禾电子科技有限公司 | 6 ~ 18GHz waveguide type filters |
| CN107359390B (en) * | 2017-03-07 | 2020-07-31 | 成都恪赛科技有限公司 | 6-18GHz waveguide type filter |
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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: 20191225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |