CN105633528A - Sulfur-tolerant multi-layer balun - Google Patents
Sulfur-tolerant multi-layer balun Download PDFInfo
- Publication number
- CN105633528A CN105633528A CN201511021889.2A CN201511021889A CN105633528A CN 105633528 A CN105633528 A CN 105633528A CN 201511021889 A CN201511021889 A CN 201511021889A CN 105633528 A CN105633528 A CN 105633528A
- Authority
- CN
- China
- Prior art keywords
- coupling line
- hole
- sulfur
- screen layer
- upper strata
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008878 coupling Effects 0.000 claims abstract description 42
- 238000010168 coupling process Methods 0.000 claims abstract description 42
- 238000005859 coupling reaction Methods 0.000 claims abstract description 42
- 239000002184 metal Substances 0.000 claims abstract description 37
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 239000011593 sulfur Substances 0.000 claims description 18
- 230000011218 segmentation Effects 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract 1
- 229920002449 FKM Polymers 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- PRPAGESBURMWTI-UHFFFAOYSA-N [C].[F] Chemical compound [C].[F] PRPAGESBURMWTI-UHFFFAOYSA-N 0.000 description 3
- 230000009102 absorption Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 3
- 229920001973 fluoroelastomer Polymers 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 206010000060 Abdominal distension Diseases 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- ZSTLPJLUQNQBDQ-UHFFFAOYSA-N azanylidyne(dihydroxy)-$l^{5}-phosphane Chemical compound OP(O)#N ZSTLPJLUQNQBDQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000024330 bloating Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZHPNWZCWUUJAJC-UHFFFAOYSA-N fluorosilicon Chemical compound [Si]F ZHPNWZCWUUJAJC-UHFFFAOYSA-N 0.000 description 1
- BCQZXOMGPXTTIC-UHFFFAOYSA-N halothane Chemical compound FC(F)(F)C(Cl)Br BCQZXOMGPXTTIC-UHFFFAOYSA-N 0.000 description 1
- 229960003132 halothane Drugs 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/08—Coupling devices of the waveguide type for linking dissimilar lines or devices
- H01P5/10—Coupling devices of the waveguide type for linking dissimilar lines or devices for coupling balanced lines or devices with unbalanced lines or devices
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention provides a sulfur-tolerant multi-layer balun comprising a top metal ground and a bottom metal ground, a metal shielding layer, an upper coupling line, a lead connection through hole, and a lower coupling line. A window is formed in the metal shielding layer. The upper coupling line is arranged between the top metal ground and the metal shielding layer; and one end of the upper coupling line is connected to the top metal ground by an upper grounding through hole. One end of the lead connection through hole is connected to the other end of the upper coupling line and the lead connection through hole passes through the window. The lower coupling line is arranged between the bottom metal ground and the metal shielding layer; and one end of the lower coupling line is connected to the bottom metal ground by a lower grounding through hole and the other end of the lower coupling line is connected to the other end of the lead connection through hole. According to the sulfur-tolerant multi-layer balun, the balun size can be effectively reduced and integration of the balun with other circuit elements can be realized conveniently.
Description
Technical field
The present invention relates to microwave regime, in particular to a kind of resistant to sulfur multilayer Balun.
Background technology
In RF application, Ba Lun purposes is very extensive, and the place that any needs carry out equilibrating to uneven conversion all needs to use, such as phase-shift detection device, single sideband modulation device, balanced mixer and antenna etc. The Ba Lun of microstrip line construction, especially Marchand Ba Lun, because its model analysis is simple, the advantage such as be convenient to be coupled with coaxial line and be widely applied.
Marchand Ba Lun is made up of two sections of identical coupling lines, and the length of every section of coupling line is the quarter wave at mid-frequency place. Owing to Coupled Line Length of Band and the centre wavelength of Marchand Ba Lun is in same magnitude, therefore, its length is very long. If being produced in a plane by Marchand Ba Lun, then its volume is bigger.
Summary of the invention
The present invention proposes a kind of resistant to sulfur multilayer Balun, solves prior art mini-bus human relations volume excessive, is unfavorable in the problem that other circuit element is integrated.
The technical scheme of the present invention is achieved in that
A kind of resistant to sulfur multilayer Balun, with comprising top-level metallic with underlying metal ground; Metal screen layer, described metal screen layer has window; Upper strata coupling line, described upper strata coupling line described top-level metallic and described metal screen layer between, and described upper strata coupling line one end by upper grounding through hole be connected to described top-level metallic ground; Wire connects through hole, and one end of described wire connection through hole is connected to the other end of described upper strata coupling line, and described wire connects through hole through described window; And lower floor's coupling line, described lower floor coupling line described underlying metal and described metal screen layer between, one end of described lower floor coupling line is connected to described underlying metal ground by lower grounding through hole, and the other end of described lower floor coupling line is connected to the other end of described wire connection through hole;
Described metal screen layer is Sulfur-resistant rubber, comprising: containing following component and weight part:
The invention has the beneficial effects as follows the volume that can effectively reduce Ba Lun, be convenient to Ba Lun and other circuit element integrated.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the perspective view of an a kind of resistant to sulfur multilayer Balun embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only the present invention's part embodiment, instead of whole embodiments. Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the perspective view of an a kind of resistant to sulfur multilayer Balun embodiment of the present invention. As shown in Figure 1, resistant to sulfur multilayer Balun 1 comprises top-level metallic ground 21, underlying metal ground 22 and metal screen layer 3. Metal screen layer 3 has window 32, window 32 connects through hole 31 through wire. Resistant to sulfur multilayer Balun 1 also comprises upper strata coupling line 4 and lower floor's coupling line 5, and coupling line 4 in upper strata is between top-level metallic ground 21 and metal screen layer 3, and lower floor's coupling line 5 is between underlying metal ground 21 and metal screen layer 3. One end of upper strata coupling line 4 and lower floor's coupling line 5 connects through hole 31 by wire and connects to get up, and the other end of upper strata coupling line 4 is connected to top-level metallic ground 21 by through hole 43, and the other end of lower floor's coupling line 5 is connected to underlying metal ground 22 by through hole 53. In the embodiment shown in fig. 1, upper strata coupling line 4 comprises the first segmentation 41 and two-section 42, and described first segmentation 41 and two-section 42 are distributed on different media layer, and arranged vertically. Equally, lower floor's coupling line 5 comprises the first segmentation 51 and two-section 52, and described first segmentation 51 and two-section 52 are distributed on different media layer, and arranged vertically.
Described metal screen layer is Sulfur-resistant rubber, comprising: containing following component and weight part:
4 third crude fluororubber
The main type of viton (English name: Fluororubber) has three kinds: fluorine carbon, fluorine silicon and fluothane base phosphonitrile. Main production is fluorine carbon at present, and fluorine carbon viton mainly comprises: vinylidene and chlorotrifluoroethylene (23 glue); The multipolymer (26 glue) of vinylidene, R 1216; The terpolymer (246 glue) of vinylidene, R 1216 and tetrafluoroethylene; Tetrafluoroethylene and propylene (4 third viton).
In order to reach the resistance to hydrogen sulfide performance of the present invention, present invention employs 4 third crude fluororubber.
Preferably, 4 third described viton molecular weight 6��100,000, density 1.5-1.6g/cm3, Oil repellent 54%��58%, heat decomposition temperature is more than 400 DEG C.
Activated clay
Activated clay is through inorganic acidifying process, then through the sorbent material that water rinse, drying are made, outward appearance is off-white powder, without smelly, tasteless, nontoxic, and absorption property is very strong, can adsorb coloring matter, organic substance. The easy moisture absorption, placed and can reduce absorption property for a long time in atmosphere. Activated clay is insoluble to relative density 2.3��2.5 in water, organic solvent and various oils, bloating tendency minimum in water and oil.
Preferably, described activated clay is 500 orders.
Resistant to sulfur component
The resistant to sulfur component of the present invention comprises:
In an embodiment, coupling line adopts wide limit stripline to make.
In another embodiment, coupling line is bent broken line form.
In resistant to sulfur multilayer Balun 1, coupling line 4 and 5 in completely symmetrical about metal screen layer 3, can make to export like this and has good amplitude, phase performance. Further, metal screen layer 3 also plays isolation and is coupled up and down the effect of line, to prevent the harassing of signal.
Utilize the resistant to sulfur multilayer Balun that the present invention proposes, the volume of Ba Lun can be effectively reduced, be convenient to Ba Lun and other circuit element integrated.
The foregoing is only the better embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a resistant to sulfur multilayer Balun, it is characterised in that, comprising:
Top-level metallic ground and underlying metal ground;
Metal screen layer, described metal screen layer has window;
Upper strata coupling line, described upper strata coupling line described top-level metallic and described metal screen layer between, and described upper strata coupling line one end by upper grounding through hole be connected to described top-level metallic ground;
Wire connects through hole, and one end of described wire connection through hole is connected to the other end of described upper strata coupling line, and described wire connects through hole through described window; And
Lower floor's coupling line, described lower floor coupling line described underlying metal and described metal screen layer between, one end of described lower floor coupling line is connected to described underlying metal ground by lower grounding through hole, and the other end of described lower floor coupling line is connected to the other end of described wire connection through hole;
Described metal screen layer is Sulfur-resistant rubber, comprising: containing following component and weight part:
2. resistant to sulfur multilayer Balun as claimed in claim 1, it is characterised in that, described upper strata coupling line and described lower floor coupling line are symmetric about described metal screen layer.
3. resistant to sulfur multilayer Balun as claimed in claim 1, it is characterised in that, described upper strata coupling line comprises the first segmentation and two-section, and described first segmentation and described two-section are distributed on different media layer, and arranged vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021889.2A CN105633528A (en) | 2015-12-30 | 2015-12-30 | Sulfur-tolerant multi-layer balun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511021889.2A CN105633528A (en) | 2015-12-30 | 2015-12-30 | Sulfur-tolerant multi-layer balun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105633528A true CN105633528A (en) | 2016-06-01 |
Family
ID=56048225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511021889.2A Pending CN105633528A (en) | 2015-12-30 | 2015-12-30 | Sulfur-tolerant multi-layer balun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105633528A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044824A (en) * | 2012-12-10 | 2013-04-17 | 青岛宝丽曼高分子材料研究院有限公司 | Sulfur-resistant rubber |
| CN103050753A (en) * | 2012-12-12 | 2013-04-17 | 青岛联盟电子仪器有限公司 | Multilayer Balun |
-
2015
- 2015-12-30 CN CN201511021889.2A patent/CN105633528A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044824A (en) * | 2012-12-10 | 2013-04-17 | 青岛宝丽曼高分子材料研究院有限公司 | Sulfur-resistant rubber |
| CN103050753A (en) * | 2012-12-12 | 2013-04-17 | 青岛联盟电子仪器有限公司 | Multilayer Balun |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160601 |