CN200986971Y - Resonance type medium cavity medium wave emitting antenna - Google Patents
Resonance type medium cavity medium wave emitting antenna Download PDFInfo
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- CN200986971Y CN200986971Y CN 200620108887 CN200620108887U CN200986971Y CN 200986971 Y CN200986971 Y CN 200986971Y CN 200620108887 CN200620108887 CN 200620108887 CN 200620108887 U CN200620108887 U CN 200620108887U CN 200986971 Y CN200986971 Y CN 200986971Y
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Abstract
The utility model relates to a resonant typed medium cavity medium wave emission antenna which belongs to a wireless emission equipment. The resonant typed medium cavity medium wave emission antenna contains a bowl shaped ejector plate, an insulated support column, a dielectric liner, an upright stem, a loaded loop, an antenna base and an allotting network. The bowl shaped ejector plate is arranged on the insulated support column. The insulated support column is arranged on the dielectric liner. The dielectric liner is fixed on the antenna base. A cross is arranged on the bottom of the bowl shaped ejector plate, and the ejector plate connects with the upright stem through the cross. The bottom of the upright stem connects with the top of the loaded loop. The bottom of the loaded loop connects with the output end of the allotting network. The input end of the allotting network connects with the output feed of the transmitter. The utility model provides a resonant typed medium cavity medium wave emission antenna which design is reasonable; structure is simple, does not need to occupy the farmland, the efficiency is high, does not need to maintain, and can be used matching with broadcast transmitter.
Description
Technical field:
The utility model relates to a kind of transmitter of medium wave broadcast, particularly a kind of resonant mode dielectric cavity medium wave radiating antenna, and it is applicable to that the high-frequency energy that broadcast transmitter is exported converts electromagnetic energy to and launches.
Background technology:
In the prior art, medium wave radiating antenna has vertical type, stay-supported etc.But common these antenna height height, floor space is big, maintenance period is short, difficulty is big, fund input is big, especially along with the quickening of modernization construction, the earth mat of many medium-wave antennas destroys serious, emission effciency significantly reduces, and area coverage is dwindled greatly, more and more can not adapt to the needs of modernization construction.
Summary of the invention:
Technical problem to be solved in the utility model is to overcome above shortcomings in the prior art, and provide a kind of reasonable in design, simple in structure, need not occupy cultivated land, high efficiency, non-maintaining, can with the matching used resonant mode dielectric cavity of broadcast transmitter medium wave radiating antenna.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this resonant mode dielectric cavity medium wave radiating antenna, comprise bowl-shapely taking over a business, the insulation support column, the medium tube, the vertical body of rod, loading coil, antenna foundation and allotting network, it is characterized in that on the bowl-shape support column of taking over a business to be installed in to insulate, the insulation support column is installed on the medium tube, the medium tube is fixed on the antenna foundation, bowl-shapely take over a business the bottom and be provided with cross, bowl-shape take over a business by cross be connected with the vertical body of rod, the upper end of vertical body of rod lower end and loading coil is connected, the output of loading coil lower end and allotting network is connected, and the allotting network input connects the output feeder of transmitter.
The utility model is bowl-shape takes over a business to be eversion type, arch formula monolithic in comprising, the unmagnetized metallic support, the unmagnetized wire netting, the pull bar support column, pull bar, circle shape pallet and bowl-shapely take over a business the bottom, it is bowl-shape that to take over a business base diameter be 1.2～1.8 meters, bowl-shapely take over a business the bottom and fixedly connected with the vertical body of rod, bowl-shapely take over a business on the bottom to be fixed with pull bar support column and unmagnetized metallic support, fixedly connected with an end of pull bar in pull bar support column upper end, the other end of pull bar is connected with the unmagnetized metallic support, bowl-shapely take over a business the middle and lower part and be provided with the round shape pallet that pieces together by curved plate, circle shape pallet and unmagnetized metallic support, the pull bar support column, the insulation support column links, interior arch formula monolithic is fastened on the unmagnetized metallic support with metal bolts, be covered with the unmagnetized wire netting on the interior arch formula monolithic, it is bowl-shape that to take over a business top opening diameter be 10～14 meters, it is bowl-shape that to take over a business the base angle be 120 degree, interior arch formula monolithic, the quantity correspondence of pull bar and curved plate is 12～16.
The utility model insulation support column is made up of the last brace that connects successively, rainhat, cylinder, following brace, the insulation support column is 6～8, and column diameter is 18～28 centimetres, and height overall is 1.6～2 meters, last brace takes over a business to fixedly connected with bowl-shape, and following brace is fixedlyed connected with the medium tube.
The utility model medium tube is cylindric, is linked for three sections by two sections or upper, middle and lower, and every section is combined by 6～8 arc monolithics, every section high 4 meters, 8 meters or 12 meters of height overalls, medium tube diameter is 2.8～4.2 meters, medium tube top and medium tube bottom are equipped with the eversion type flange.
The caliber of the vertical body of rod of the utility model is 30～120 millimeters, 9～14 meters of length overalls, and vertical body of rod upper end and bowl-shape cross of taking over a business the bottom are connected, and vertically body of rod lower end is connected with loading coil.
The utility model loading coil is installed in the medium tube and is fixed on the antenna foundation, and the loading coil lower end is connected with allotting network.
The utility model antenna foundation is coiled by GP, metal mainstay, concrete base and high frequency ground are formed, the GP dish is installed on the metal mainstay, metal mainstay is fixed on the concrete base, the GP dish is square plate, the length of side is 10～16 meters, the GP dish is made skeleton with channel-section steel, the upper berth metallic plate, metal mainstay is made by channel-section steel, metal mainstay is high 2 meters, metal mainstay upper end and the welding of GP dish skeleton, and the metal mainstay lower end is fixed on the concrete base, high frequency ground is long * wide * dark=hole of 2 meters * 2 meters * 2 meters, be filled with charcoal and Nacl in the hole, the hole inner bottom part is put the copper coin of a block length * wide * thick=1.2 meter * 1.5 meters * 0.003 meter, on the copper coin welding 2-4 bar wide * copper belt of thick=20 millimeter * 1 millimeter, copper belt bassets and is connected with the ground of allotting network, cheats interior 0.5 meter depths to ground and is filled with loess.
The utility model allotting network is formed impedance matching network by reactance component.
The utility model allotting network also is provided with bandwidth and widens network, and bandwidth is widened network and is connected with impedance matching network.
The utility model allotting network also is provided with blocking network or the wave invigorating network that is connected with impedance matching network.
The utility model resonant mode dielectric cavity medium wave radiating antenna height overall is about the 0.03-0.05 of operation wavelength, and the utility model has been compared following advantage with conventional art:
1, highly low, height overall only is 0.03～0.05 of a wavelength;
2, in light weight, total weight only is about 3 tons;
3, do not occupy cultivated land, can be erected on the roof, 100～200 square metres of areas occupied;
4, efficient height covers the suitable of field intensity and traditional 0.25 λ antenna;
5, non-maintaining;
6, lightning protection effect is good;
7, fund input few, the investment only be 8～20% of traditional 0.25 λ antenna.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structural representation of the utility model embodiment medium tube arc monolithic.
Fig. 3 is the circuit diagram of the utility model embodiment 1.
Fig. 4 is the circuit diagram of the utility model embodiment 2.
Fig. 5 is the circuit diagram of the utility model embodiment 3.
Fig. 6 is the circuit diagram of the utility model embodiment 4.
Embodiment:
Referring to Fig. 1, Fig. 2, the utility model embodiment resonant mode dielectric cavity medium wave radiating antenna by bowl-shapely take over a business 1, insulation support column 2, medium tube 3, the vertical body of rod 4, loading coil 5, antenna foundation 6, allotting network 7 form.Bowl-shapely take over a business 1 and comprise arch formula monolithic 1-1 in 12～16, unmagnetized metallic support 1-2, unmagnetized wire netting 1-3, pull bar support column 1-4,12～16 pull bar 1-5, justify shape pallet 1-6 and the bowl-shape bottom 1-7 of taking over a business, it is bowl-shape that to take over a business bottom 1-7 diameter be 1.2～1.8 meters, bowl-shapely take over a business bottom 1-7 a metal cross is housed, cross center upside is fixed with the bottom of the pull bar support column 1-4 and the unmagnetized metallic support 1-2 of a metal, link on the pull bar support column 1-4 top 12～16 pull bar 1-5 are arranged, the other end of pull bar 1-5 closely is connected with unmagnetized metallic support 1-2 and interior arch formula monolithic 1-1, bowl-shapely take over a business 1 in order to fixing, make it unlikely distortion, interior arch formula monolithic 1-1 is fastened on the unmagnetized metallic support 1-2 with metal bolts, be covered with unmagnetized wire netting 1-3 on the interior arch formula monolithic 1-1, the cross center downside fixed vertical body of rod 4, the middle and lower part of interior arch formula monolithic 1-1 is welded with one section horizontal curved plate, 12～16 sections curved plates are formed a round shape pallet 1-6 who supports bowl-shape dish 1 and firmly link with insulation support column 2, bowl-shape opening diameter of taking over a business above 1 is 10～14 meters, it is bowl-shape that to take over a business 1 base angle be 120 degree, interior arch formula monolithic 1-1, the quantity correspondence of pull bar 1-5 and curved plate, circle shape pallet 1-6 and unmagnetized metallic support 1-2, the last brace 2-1 of pull bar support column 1-4 and insulation support column 2 links, insulation support column 2 also comprises rainhat 2-2, cylinder 2-3 and following brace 2-4, last brace 2-1 lower end is connected with rainhat 2-2 and cylinder 2-3 by flange, cylinder 2-3 is fixed on the medium tube 3 by following brace 2-4, medium tube 3 can be formed by 2 sections or 3 sections, eversion type thickening flange is all arranged at the top of medium tube 3 and bottom, present embodiment medium tube 3 is made up of medium tube epimere 3-1 and medium tube hypomere 3-2, medium tube epimere 3-1 is connected with bolt with following brace 2-4, medium tube hypomere 3-2 is fixedlyed connected with the GP dish 6-1 of antenna foundation 6 with bolt, the medium tube 3 every section combine by 6～8 arc monolithics, every section high 4 meters, 8 meters or 12 meters of medium tube 3 height overalls, barrel dliameter is 2.8～4.2 meters, antenna foundation 6 comprises GP dish 6-1, metal mainstay 6-2, concrete base 6-3 and high frequency ground 6-4, GP dish 6-1 is welded into the square skeleton of 10～16 meters of hem widths by channel-section steel, the upper berth steel plate, spot welding between steel plate, electric welding firm welding between steel plate and skeleton, GP dish 6-1 is supported by high 2 meters metal mainstay 6-2, metal mainstay 6-2 upper end and the welding of GP dish 6-1 skeleton, pre-embedded steel slab firm welding among metal mainstay 6-2 lower end and the concrete base 6-3, the vertical body of rod 4 is made by the unmagnetized metal tube, the upper end of the vertical body of rod 4 links by flange and bowl-shape cross of taking over a business bottom 1-7, the lower end of the vertical body of rod 4 and the upper end of loading coil 5 are connected, loading coil 5 is the adjustable inductance coil, rain-proof equipment is equipped with at its top, the allotting network output 7-1 of the lower end of loading coil 5 and allotting network 7 is connected, it is indoor that allotting network 7 is arranged on allotting network, all inwalls of allotting network chamber all shield with copper sheet, the high frequency ground 6-4 of antenna foundation 6 is long * wide * dark=hole of 2 meters * 2 meters * 2 meters, be filled with charcoal and Nacl in the hole, the hole inner bottom part is put the copper coin of a block length * wide * thick=1.2 meter * 1.5 meters * 0.003 meter, cheat interior 0.5 meter depths to ground and be filled with loess, on the copper coin welding 2-4 bar wide * copper belt of thick=20 millimeter * 1 millimeter, copper belt bassets and ground and this shielding of allotting network are welded, and the input of allotting network 7 is connected with the transmitter output feeder.
Allotting network 7 of the present utility model can adopt various ways to constitute according to actual conditions, the combination of widening network, blocking network, wave invigorating network thrin comprising impedance matching network or impedance matching network and bandwidth.
Embodiment 1: allotting network adopts impedance matching network
Referring to Fig. 3, the X1 of this routine middle impedance matching network, X2 are reactance components, can choose inductance or electric capacity according to antenna parameter, and its effect is a transforming impedance, and the input of impedance matching network is connected with the transmitter output feeder, output termination antenna.
Embodiment 2: the combination that allotting network adopts impedance matching network and bandwidth to widen network
Referring to Fig. 4, bandwidth is widened inductance L 1, capacitor C 1 and inductance L 2, the capacitor C 2 composition series resonant network of network in this example, so that operating frequency is intercepted down, frequency conversion then is impedance property.3 series connection of inductance L 3, capacitor C with in and reactive component after series resonant network and the antenna impedance parallel connection, and then connect, thereby widen bandwidth of operation with impedance matching network.
Embodiment 3: allotting network adopts the combination of impedance matching network and blocking network
Referring to Fig. 5, the parallel network that the inductance L 4 of blocking network, capacitor C 4 are formed interfering frequency resonance seals in transmitter with the blocking-up interfering frequency.
Embodiment 4: allotting network adopts the combination of impedance matching network and wave invigorating network
Referring to Fig. 6, the series resonance network that the inductance L 5 of wave invigorating network, capacitor C 5 are formed interfering frequency so that with the interfering frequency shorted to earth, thereby prevents that interfering frequency from sealing in transmitter.
Claims (10)
1, a kind of resonant mode dielectric cavity medium wave radiating antenna, comprise bowl-shapely taking over a business, the insulation support column, the medium tube, the vertical body of rod, loading coil, antenna foundation and allotting network, it is characterized in that: on the bowl-shape support column of taking over a business to be installed in to insulate, the insulation support column is installed on the medium tube, the medium tube is fixed on the antenna foundation, bowl-shapely take over a business the bottom and be provided with cross, bowl-shape take over a business by cross be connected with the vertical body of rod, the upper end of vertical body of rod lower end and loading coil is connected, the output of loading coil lower end and allotting network is connected, and the allotting network input connects the output feeder of transmitter.
2, resonant mode dielectric cavity medium wave radiating antenna according to claim 1, it is characterized in that: bowl-shapely take over a business to be eversion type, arch formula monolithic in comprising, the unmagnetized metallic support, the unmagnetized wire netting, the pull bar support column, pull bar, circle shape pallet and bowl-shapely take over a business the bottom, it is bowl-shape that to take over a business base diameter be 1.2～1.8 meters, bowl-shapely take over a business the bottom and fixedly connected with the vertical body of rod, bowl-shapely take over a business on the bottom to be fixed with pull bar support column and unmagnetized metallic support, fixedly connected with an end of pull bar in pull bar support column upper end, the other end of pull bar is connected with the unmagnetized metallic support, bowl-shapely take over a business the middle and lower part and be provided with the round shape pallet that pieces together by curved plate, circle shape pallet and unmagnetized metallic support, the pull bar support column, the insulation support column links, interior arch formula monolithic is fastened on the unmagnetized metallic support with metal bolts, be covered with the unmagnetized wire netting on the interior arch formula monolithic, it is bowl-shape that to take over a business top opening diameter be 10～14 meters, it is bowl-shape that to take over a business the base angle be 120 degree, interior arch formula monolithic, the quantity correspondence of pull bar and curved plate is 12～16.
3, resonant mode dielectric cavity medium wave radiating antenna according to claim 1, it is characterized in that: the insulation support column is made up of the last brace that connects successively, rainhat, cylinder, following brace, the insulation support column is 6～8, column diameter is 18～28 centimetres, height overall is 1.6～2 meters, last brace takes over a business to fixedly connected with bowl-shape, and following brace is fixedlyed connected with the medium tube.
4, resonant mode dielectric cavity medium wave radiating antenna according to claim 1, it is characterized in that: the medium tube is cylindric, link for three sections by two sections or upper, middle and lower, every section is combined by 6～8 arc monolithics, every section high 4 meters, 8 meters or 12 meters of height overalls, medium tube diameter is 2.8～4.2 meters, medium tube top and medium tube bottom are equipped with the eversion type flange.
5, resonant mode dielectric cavity medium wave radiating antenna according to claim 1, it is characterized in that: the caliber of the vertical body of rod is 30～120 millimeters, 9～14 meters of length overalls, vertical body of rod upper end and bowl-shape cross of taking over a business the bottom are connected, and vertically body of rod lower end is connected with loading coil.
6, resonant mode dielectric cavity medium wave radiating antenna according to claim 1 is characterized in that: loading coil is installed in the medium tube and is fixed on the antenna foundation, and the loading coil lower end is connected with allotting network.
7, resonant mode dielectric cavity medium wave radiating antenna according to claim 1, it is characterized in that: antenna foundation is coiled by GP, metal mainstay, concrete base and high frequency ground are formed, the GP dish is installed on the metal mainstay, metal mainstay is fixed on the concrete base, the GP dish is square plate, the length of side is 10～16 meters, the GP dish is made skeleton with channel-section steel, the upper berth metallic plate, metal mainstay is made by channel-section steel, metal mainstay is high 2 meters, metal mainstay upper end and the welding of GP dish skeleton, the metal mainstay lower end is fixed on the concrete base, and high frequency ground is filled with charcoal and Nacl for long * wide * dark=hole of 2 meters * 2 meters * 2 meters in the hole, the hole inner bottom part is put the copper coin of a block length * wide * thick=1.2 meter * 1.5 meters * 0.003 meter, on the copper coin welding 2-4 bar wide * copper belt of thick=20 millimeter * 1 millimeter, copper belt bassets and is connected with the ground of allotting network, cheats interior 0.5 meter depths to ground and is filled with loess.
8, resonant mode dielectric cavity medium wave radiating antenna according to claim 1, it is characterized in that: allotting network is formed impedance matching network by reactance component.
9, resonant mode dielectric cavity medium wave radiating antenna according to claim 8, it is characterized in that: allotting network also is provided with bandwidth and widens network, and bandwidth is widened network and is connected with impedance matching network.
10, resonant mode dielectric cavity medium wave radiating antenna according to claim 8, it is characterized in that: allotting network also is provided with blocking network or the wave invigorating network that is connected with impedance matching network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108887 CN200986971Y (en) | 2006-10-24 | 2006-10-24 | Resonance type medium cavity medium wave emitting antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620108887 CN200986971Y (en) | 2006-10-24 | 2006-10-24 | Resonance type medium cavity medium wave emitting antenna |
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| Publication Number | Publication Date |
|---|---|
| CN200986971Y true CN200986971Y (en) | 2007-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620108887 Expired - Fee Related CN200986971Y (en) | 2006-10-24 | 2006-10-24 | Resonance type medium cavity medium wave emitting antenna |
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| CN (1) | CN200986971Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728608B (en) * | 2009-12-03 | 2012-12-19 | 杭州景顺广播设备有限公司 | Medium wave coaxial adapter |
-
2006
- 2006-10-24 CN CN 200620108887 patent/CN200986971Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728608B (en) * | 2009-12-03 | 2012-12-19 | 杭州景顺广播设备有限公司 | Medium wave coaxial adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |