CN110247144A - One kind, which is defended, leads to anti-interference waterproof filter - Google Patents
One kind, which is defended, leads to anti-interference waterproof filter Download PDFInfo
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- CN110247144A CN110247144A CN201910593632.6A CN201910593632A CN110247144A CN 110247144 A CN110247144 A CN 110247144A CN 201910593632 A CN201910593632 A CN 201910593632A CN 110247144 A CN110247144 A CN 110247144A
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- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 230000008054 signal transmission Effects 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 abstract description 3
- 230000001629 suppression Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
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Abstract
It is defended the invention discloses one kind and leads to anti-interference waterproof filter, including filtering body, the cavity being made of 11 single-chambers is equipped with inside the filtering body, it by signal transmission direction successively include input port in the cavity, first order sense flies, second level sense flies, the first order, which is held, to fly, the second level holds winged and output port, the first order sense flies and second level sense flies to be three chamber direct-couplings, the first order appearance flies as the coupling of curved conductor, the second level Rong Feiwei windowing direct-coupling, wherein input port is first single-chamber, output port is the 11st single-chamber, first order sense flies, second level sense flies, the first order, which is held to fly to hold with the second level, to be flown to be coupled by second to the 9th single-chamber to be formed.The advantages such as the present invention uses wave-guide cavity wave structure, is flown by two-stage sense and two-stage holds winged filter circuit and structure and realizes outstanding filtering characteristic, have isolation degree of suppression high, and echo is good, while having reached small size purpose of design.
Description
Technical field
The invention belongs to technical field of communication equipment, in particular to one kind, which is defended, leads to anti-interference waterproof filter.
Background technique
C-band is unprotected communications band, and radar, microwave, the jam-to-signals such as 5G communication base station are more, therefore each
The phenomenon that ground satellite TV signal is disturbed than more prominent, image often go out item mosaic, black field phenomena such as, seriously affect rating
Effect, or even the reception of meeting interrupt signal, make a big impact to communication work.It is external with the development of C-band satellite communication
Many companies possess the filter matured product for C-band Satellite Communication Receive front end, and principal mode has wave-guide cavity wave filtering
Device and microstrip filter.The FI-02-CRT-05 filter of German ESA company is exactly wave-guide cavity wave filter, the length is
290mm or so, the filter of this structure makes the volume for entirely receiving system seem extremely huge, and stopband characteristic is also inadequate
It is ideal.The length very little (120mm or so) of microstrip filter itself, connector are usually SMA or N-type；Microstrip filter is to connect
It connects between antenna and receiver, and the interface of antenna and receiver end is waveguide form, in order to be connected with system, is also needed
As soon as respectively to add coaxial waveguide transitions in the input/output terminal of filter, and in the length of each coaxial waveguide conversion of this frequency range
Up to 65mm, the length that filter adds 2 coaxial waveguides to convert is at least 250mm, so entire length is too long, it is unreliable to connect,
The fixation of filter is also very inconvenient.So need to develop it is a kind of it is small in size, connection is reliable, have excellent performance, simple installation simultaneously
Filter with Waveguide interface.
Summary of the invention
The present invention the above-mentioned prior art there are aiming at the problem that, one kind be provided and is defended lead to anti-interference waterproof filter.
The present invention is realized by following technological means solves above-mentioned technical problem:
One kind, which is defended, leads to anti-interference waterproof filter, including filtering body, is equipped with inside the filtering body by 11
The cavity that a single-chamber is constituted by signal transmission direction successively includes input port in the cavity, first order sense flies, the second level is felt
Winged, first order appearance flies, the second level holds winged and output port, and the first order sense is winged to fly to be the direct coupling of three chambers with second level sense
It closes, the first order appearance flies to couple for curved conductor, the second level Rong Feiwei windowing direct-coupling, wherein input port
For first single-chamber, output port is the 11st single-chamber, and first order sense flies, second level sense flies, first order appearance flies and the second level
Rong Fei is coupled by second to the 9th single-chamber and is formed.
Further, the input port and output port are all made of the time delay coupling of gradual change matching and contracting waveguide open height
Enhancing chamber is closed, product bandwidth stationary value is 600MHz, and it is 1ns that time delay, which couples stationary value,.
Further, second, third in the inner cavity of the filter, the composition first order sense of the 4th single-chamber fly, and the 4th, the
Five, the 6th single-chamber composition second level sense flies.
Further, the seven, the 8th, the 9th single-chamber composition first order hold winged, the 6th He in the inner cavity of the filter
9th second level of the single-chamber composition across two-chamber, which holds, to fly, and wherein the first order, which is held, flies to couple using curved conductor, and the second level, which holds, to fly
Using windowing direct-coupling.
Further, the filtering body further includes inner cover plate and waterproof cover, and the inner cover plate is screwed
On the cavity of filtering body, the main tuning bar and coupling bar of the single-chamber are all locked in inner cover plate, the waterproof cover lid
Outside inner cover plate.
Further, the red glue that the side of being coated with loosens between the inner cover plate and filtering body, the inner cover plate and waterproof
The red glue that the side of being also coated with loosens between cover board.
The invention has the benefit that the present invention use wave-guide cavity wave structure, to the filter structure in filtering body into
Row optimization design, is flown by two-stage sense and two-stage holds winged filter circuit and realizes outstanding filtering characteristic, has isolation degree of suppression
Height, the advantages such as echo is good, while having reached small size purpose of design.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the inner cavity of filtering body of the present invention；
Fig. 2 is the arrangement architecture schematic diagram of the single-chamber in filtering body of the present invention；
Fig. 3 is the simulation result that the present invention prolongs coupler；
Fig. 4 is the structural schematic diagram of the inner cover plate of wave device ontology of the present invention；
Fig. 5 is the structural schematic diagram of the waterproof cover of wave device ontology of the present invention；
Fig. 6 is the finished product structure schematic diagram of filtering body of the present invention；
Fig. 7 is the product test curve of filtering body of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment
As shown in Figure 1, defending the inner-cavity structure schematic diagram for leading to anti-interference waterproof filter for the present invention, Fig. 2 is filter sheet
The arrangement architecture schematic diagram of single-chamber in body, including filtering body 10 are equipped with by 11 inside the filtering body 10
The cavity that single-chamber is constituted, 11 single-chambers are as shown in Figure 2, the single-chamber of corresponding first to the 11st of label I to XI, the cavity
Interior successively includes that input port 11, first order sense fly the sense of the 12, second level and fly the 13, first order and hold to fly 14, the by signal transmission direction
Second level, which is held, flies 15 and output port 16, the first order sense fly 12 and second level sense to fly 13 be three chamber direct-couplings, described the
Level-one, which is held, flies 14 as the coupling of curved conductor, and it is windowing direct-coupling that the second level appearance, which flies 15,.Wherein input port 11 is
First single-chamber, output port 16 are the 11st single-chamber, and first order sense flies the sense of the 12, second level and flies winged 14 and of 13, first order appearance
Second level appearance winged 15 is coupled by second to the 9th single-chamber to be formed.As shown in fig. 7, being the filtering of the present embodiment filtering body 10
Characteristic curve, filtering curve show the advantages such as the present embodiment filtering body 10 has isolation degree of suppression high, and echo is good, and
Its dimensions length is only 139mm.
The present invention uses wave-guide cavity wave structure, optimizes to the filter structure in filtering body 10, passes through two
Grade sense flies and two-stage holds winged filter circuit and realizes outstanding filtering characteristic, while having reached small size purpose of design.
As shown in figs. 1 and 3, input port 11 and output port 16 be all made of gradual change matching and contracting waveguide open height when
Prolong coupling enhancing chamber, product bandwidth is 600MHz or so, is coupled as 1ns or so by calculation delay, Fig. 3 is time delay coupling enhancing
The simulation result of chamber, with outstanding Insertion Loss and echoing characteristics.
As illustrated in fig. 1 and 2, second, third in the inner cavity of filter, the 4th single-chamber composition first order sense winged 12, the 4th,
5th, the 6th single-chamber composition second level sense flies 13.Sense realizes that product processing is compared using three chamber direct coupling systems among flying
Traditional implementation is easier to process, and properties of product are more stable.
As shown in Figure 1, the seven, the 8th, the 9th single-chambers composition first order are held and fly the 14, the 6th and the in the inner cavity of filter
Nine single-chamber composition across two-chamber appearances in the second level fly 15, and wherein the first order is held winged 14 and coupled using curved conductor, and the second level, which holds, to fly
15 use windowing direct-coupling, and debugging is convenient and holds winged strong and weak controllable.
As shown in Figures 4 and 5, the filtering body 10 further includes inner cover plate 17 and waterproof cover 18, the inner cover plate 17
It is screwed on the cavity of filtering body 10, the main tuning bar and coupling bar of the single-chamber are all locked at inner cover plate 17
On, the upper red glue of point is anti-loosening after the completion of debugging, and waterproof can be fixed by being loaded on water proof ring after red glue on production debugging qualification point
Cover board achievees the purpose that waterproof.Fig. 4 is inner cover plate 17, and Fig. 5 is waterproof cover 18, and Fig. 6 is that 10 finished product structure of filtering body shows
It is intended to.
The present invention relates to a kind of anti-interference waterproof filter of invention, it is able to satisfy satellite communication system to mobile 5G, connection 5G,
The anti-interference ability of the business systems such as telecommunications 5G solves to continue not satellite communication system after country's 5G system is largely disposed
Interruption interference leads to image-mosaics and black field.The anti-interference waterproof filter of the present invention is a kind of waveguide port close coupling
Time delay implementation；A kind of new sense flies in implementation and anti-interference waterproof filter layout and surface structure and waterproof function by force
It is able to achieve mode.
It should be noted that, in this document, such as first and second or the like relational terms are used merely to one if it exists
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. one kind, which is defended, leads to anti-interference waterproof filter, which is characterized in that including filtering body (10), the filtering body
(10) internal to be equipped with the cavity being made of 11 single-chambers, it by signal transmission direction successively include input port in the cavity
(11), first order sense flies (12), second level sense flies (13), the first order holds winged (14), the second level holds winged (15) and output port
(16), it is three chamber direct-couplings that the first order sense, which flies (12) and second level sense winged (13), and the first order holds winged (14) and is
Curved conductor coupling, the second level, which holds, flies (15) as windowing direct-coupling, and wherein input port (11) is first list
Chamber, output port (16) are the 11st single-chamber, first order sense flies (12), the second level feel fly (13), the first order hold winged (14) and
Second level appearance winged (15) is coupled by second to the 9th single-chamber to be formed.
2. one kind according to claim 1, which is defended, leads to anti-interference waterproof filter, which is characterized in that the input port (11)
The time delay coupling enhancing chamber of gradual change matching and contracting waveguide open height is all made of with output port (16), product bandwidth stationary value is
600MHz, it is 1ns that time delay, which couples stationary value,.
3. one kind according to claim 2, which is defended, leads to anti-interference waterproof filter, which is characterized in that the inner cavity of the filter
In second, third, the composition first order sense of the 4th single-chamber fly (12), the four, the 5th, the 6th single-chambers composition second level senses fly
(13)。
4. one kind according to claim 3, which is defended, leads to anti-interference waterproof filter, which is characterized in that the inner cavity of the filter
In the seven, the 8th, the 9th single-chambers composition first order hold and fly (14), the 6th and the 9th second level of the single-chamber composition across two-chamber holds
Fly (15), wherein the first order is held winged (14) and coupled using curved conductor, and the second level, which holds, flies (15) using windowing direct-coupling.
5. one kind according to any one of claims 1 to 4, which is defended, leads to anti-interference waterproof filter, which is characterized in that the filter
Wave device ontology (10) further includes inner cover plate (17) and waterproof cover (18), and the inner cover plate (17) is screwed in filter sheet
On the cavity of body (10), the main tuning bar and coupling bar of the single-chamber are all locked on inner cover plate (17), the waterproof cover
(18) lid is mounted in inner cover plate (17) outside.
6. one kind according to claim 5, which is defended, leads to anti-interference waterproof filter, which is characterized in that the inner cover plate (17) with
The red glue that the side of being coated with loosens between filtering body (10) is also coated with Fang Song between the inner cover plate (17) and waterproof cover (18)
Dynamic red glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910593632.6A CN110247144B (en) | 2019-06-27 | 2019-06-27 | Anti-interference waterproof filter for toilet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910593632.6A CN110247144B (en) | 2019-06-27 | 2019-06-27 | Anti-interference waterproof filter for toilet |
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| Publication Number | Publication Date |
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| CN110247144A true CN110247144A (en) | 2019-09-17 |
| CN110247144B CN110247144B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910593632.6A Active CN110247144B (en) | 2019-06-27 | 2019-06-27 | Anti-interference waterproof filter for toilet |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110241801A1 (en) * | 2010-04-06 | 2011-10-06 | Powerwave Technologies, Inc. | Reduced size cavity filters for pico base stations |
| US20150002240A1 (en) * | 2013-06-28 | 2015-01-01 | Nokia Corporation | Methods and apparatus for signal filtering |
| CN106025465A (en) * | 2016-06-07 | 2016-10-12 | 中国电子科技集团公司第三十六研究所 | Cavity filter |
| CN109378564A (en) * | 2018-11-27 | 2019-02-22 | 安徽阖煦微波技术有限公司 | A kind of eight frequency combiners |
| CN210156524U (en) * | 2019-06-27 | 2020-03-17 | 安徽阖煦微波技术有限公司 | Anti-interference waterproof filter |
-
2019
- 2019-06-27 CN CN201910593632.6A patent/CN110247144B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110241801A1 (en) * | 2010-04-06 | 2011-10-06 | Powerwave Technologies, Inc. | Reduced size cavity filters for pico base stations |
| US20150002240A1 (en) * | 2013-06-28 | 2015-01-01 | Nokia Corporation | Methods and apparatus for signal filtering |
| CN106025465A (en) * | 2016-06-07 | 2016-10-12 | 中国电子科技集团公司第三十六研究所 | Cavity filter |
| CN109378564A (en) * | 2018-11-27 | 2019-02-22 | 安徽阖煦微波技术有限公司 | A kind of eight frequency combiners |
| CN210156524U (en) * | 2019-06-27 | 2020-03-17 | 安徽阖煦微波技术有限公司 | Anti-interference waterproof filter |
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| Publication number | Publication date |
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| CN110247144B (en) | 2024-06-11 |
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