CN220324693U - Broadband medium short wave receiving antenna - Google Patents
Broadband medium short wave receiving antenna Download PDFInfo
- Publication number
- CN220324693U CN220324693U CN202322104757.2U CN202322104757U CN220324693U CN 220324693 U CN220324693 U CN 220324693U CN 202322104757 U CN202322104757 U CN 202322104757U CN 220324693 U CN220324693 U CN 220324693U
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- circuit board
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- 238000001914 filtration Methods 0.000 claims abstract description 16
- 230000003321 amplification Effects 0.000 abstract description 9
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000010363 phase shift Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000615 nonconductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model provides a broadband medium-short wave receiving antenna, which belongs to the technical field of antennas and comprises a bracket, wherein a first antenna loop and a second antenna loop are arranged on the bracket; a connecting rod is arranged between the inner walls of the first antenna loop and the second antenna loop; balun boxes are arranged on brackets at the tops of the first antenna loop and the second antenna loop; the connecting rod and the brackets at the bottoms of the first antenna loop and the second antenna loop are provided with electronic component boxes; the female first square board radio frequency head is installed to the lateral part of balun box, and the feeder is connected to female first square board radio frequency head electricity, and the connecting rod is connected at the middle part of first antenna loop and second antenna loop, and electronic components box is add to connecting rod and first antenna loop and second antenna loop bottom, combines the balun box, to the band-pass filtering, phase shift, matching medium and the gain amplification of received signal, improves anti-electromagnetic interference and obtains the ability of broad frequency range, and the operating frequency of received signal can stably cover 526KHz-28MHz.
Description
Technical Field
The utility model relates to the technical field of antennas, in particular to a broadband medium short wave receiving antenna.
Background
The medium short wave broadcasting frequency band in China is between 526.5KHz and 28MHz, has the characteristics of narrow available frequency band and high signal density, and has the phenomena of common-frequency and different-time emission, common-frequency and different-place simulcasting, common-signal and different-frequency simulcasting and the like, and the interference between frequencies is easy to be caused. In order to normalize the airborne electromagnetic wave propagation order, real-time monitoring needs to be performed on the signal strength of the broadcast frequency, the interfered condition, the broadcast quality, the signal coverage area and other results. At present, relevant institutions in various countries adopt an outdoor medium short wave receiving antenna with good receiving effect to master the broadcasting quality and effect of a service area by matching with a superheterodyne receiver, which plays an important role in strengthening radio management, reasonably and effectively utilizing spectrum resources, improving broadcasting quality and effectively covering.
Generally, antennas perform best for radiating or receiving electromagnetic wave energy at wavelengths comparable to the size of the antenna. However, the medium-short wave frequency is low, so that the wavelength is long, and the required receiving and transmitting antenna often occupies a large area and is difficult to erect. In order to facilitate erection and carrying, the conventional medium-short wave receiving antenna adopts a smaller physical size, but cannot effectively take account of the miniaturization of the antenna and the indexes of receiving sensitivity, working frequency, standing wave ratio and the like, and the problems of deterioration of quality factors, poor electromagnetic interference resistance and the like generally exist, and finally, the receiving and transmitting efficiency is sacrificed, the bandwidth is narrowed, the medium-short wave frequency band cannot be effectively covered, and therefore, the technical requirements of broadcast monitoring cannot be met. In view of this, we propose a broadband medium short wave receiving antenna.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a broadband medium-short wave receiving antenna, which solves the problems of deterioration quality factor, poor anti-electromagnetic interference capability and the like which are commonly existed in the background art, and finally not only sacrifices receiving and transmitting efficiency, but also causes bandwidth narrowing, and cannot effectively cover medium-short wave frequency bands, so that the problem of broadcast monitoring technical requirements cannot be met.
In order to achieve the above purpose, the technical scheme of the utility model provides a broadband medium short wave receiving antenna, which comprises a bracket, wherein a first antenna loop and a second antenna loop are fixedly arranged on the bracket;
the connecting rods are fixedly arranged between the inner walls of the two sides of the first antenna loop and the second antenna loop, and the connecting rods are fixedly connected with the brackets;
the balun box is fixedly arranged on a bracket at the top of the first antenna loop and the second antenna loop, and is electrically connected with the tops of the first antenna loop and the second antenna loop;
the electronic component boxes are fixedly arranged on the connecting rod and the brackets at the bottoms of the first antenna loop and the second antenna loop, and the two electronic component boxes are respectively and electrically connected with the connecting rod and the bottoms of the first antenna loop and the second antenna loop;
the side part of the balun box is fixedly provided with a female square board radio frequency head which is electrically connected with a feeder line.
Through above-mentioned scheme, add electronic components box through connecting rod and first antenna loop and second antenna loop bottom, combine the balun box, reach band-pass filtering, phase shift, matching medium and the gain amplification to the received signal to improve anti-electromagnetic interference and obtain the ability of broad frequency range.
Optionally, three insulating sleeves are fixedly sleeved on the support, the top and the bottom of the first antenna loop and the second antenna loop are mutually perpendicularly connected to the insulating sleeves at the top and the bottom of the support, and the connecting rod is mutually perpendicularly connected to the insulating sleeves at the middle part.
Through above-mentioned scheme, first antenna loop, second antenna loop and connecting rod are metal material such as copper pipe or aluminum alloy, and the insulating cover through nonconductor material is connected fixedly, avoids each other to take place to interfere with each other, is convenient for receive the signal.
Optionally, four joint bolts are fixedly installed on the balun box and the electronic component box, the joint bolts on the balun box are respectively electrically connected with four intersection points of the tops of the first antenna ring and the second antenna ring and the insulating sleeve through wires, and the four joint bolts on the electronic component box are respectively electrically connected with the intersection points of the connecting rod and the insulating sleeve through wires and the intersection points of the bottoms of the first antenna ring and the second antenna ring and the insulating sleeve.
Through above-mentioned scheme, through the effectual first antenna loop of joint bolt, second antenna loop and connecting rod and balun box and electronic components box wiring.
Optionally, the first antenna loop and the second antenna loop are any one of circular, elliptical, triangular, trapezoidal and frame-shaped closed ring structures with equal sizes.
Optionally, the balun box includes first box body, the electronic components box includes the second box body, fixed mounting has first circuit board and second circuit board in first box body and the second box body respectively, the one end of first circuit board and second circuit board is all fixed and is equipped with two input terminals, the other end of first circuit board and second circuit board is all fixed and is equipped with two output terminals, and two output terminals are two joint bolts of electrical connection respectively, two the other two joint bolts of electrical connection respectively of input terminal, just be equipped with band-pass filter, phase shift and gain amplification module on the first circuit board, be equipped with band-pass filter and matching medium module on the second circuit board.
Through the scheme, the first circuit board and the second circuit board are used for supplying power through the external antenna amplifier or the receiver through the feeder line for reversely outputting direct current, the balun box is used for delaying the phase and carrying out band-pass filtering and gain amplification through the first circuit board, and the electronic component box is used for carrying out band-pass filtering and medium matching through the second circuit board.
Optionally, female first square board radio frequency head is fixed to be cup jointed on first box body, fixed being equipped with the magnetic ring in the first box body, the winding is equipped with the enameled wire on the magnetic ring, female first square board radio frequency head is connected to enameled wire one side, two joints are drawn forth to enameled wire one end, and two joints divide into two ways, and two joint bolts are connected to joint electricity in one way, two input terminals on the first circuit board are connected to another way joint electricity, two other joint bolts are connected to the output terminal electricity of first circuit board.
Through the scheme, the amplification effect is achieved through the magnetic ring and the enameled wire, and the direct current is reversely output through the feeder line to supply power and transmit signals.
One or more technical schemes provided in the technical scheme of the utility model at least have the following technical effects or advantages:
according to the utility model, the electronic component box is additionally arranged at the bottoms of the connecting rod, the first antenna loop and the second antenna loop, the balun box is arranged at the intersection point of the tops of the first antenna loop and the second antenna loop, the balun box is used for delaying the phase and carrying out band-pass filtering and gain amplification through the first circuit board, the electronic component box is used for carrying out band-pass filtering and matching medium through the second circuit board, the electronic component box can be directly erected through the bracket for use, the occupied area is small, the frequency bandwidth and the electromagnetic interference resistance are achieved through delaying the phase and carrying out band-pass filtering and gain amplification, the structure is simple, the omnidirectional signal can be effectively received, a wider frequency range can be obtained, the standing wave ratio of a frequency band is low, the return loss is good, and 526.5KHz-28MHz can be effectively received.
Drawings
Fig. 1 is a schematic structural diagram of a broadband medium-short wave receiving antenna according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;
FIG. 3 is a schematic diagram of an antenna loop connection structure according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the balun box in the embodiment of the present utility model;
FIG. 5 is a schematic view of an electronic component box according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a first circuit board according to an embodiment of the utility model;
fig. 7 is a schematic diagram of a second circuit board according to an embodiment of the utility model.
The reference numerals in the figures illustrate: 1. a first antenna loop; 2. a second antenna loop; 3. balun box; 31. a first case; 32. a magnetic ring; 33. enamelled wires; 4. a connecting rod; 5. an electronic component box; 51. a second case; 6. a bracket; 7. a feed line; 8. an insulating sleeve; 9. a joint bolt; 10. a female square board radio frequency head; 11. a first circuit board; 12. a second circuit board; 13. an input terminal; 14. output terminal
Detailed Description
The utility model is described in further detail below with reference to the drawings.
Referring to fig. 1 and 2, an embodiment of the present utility model provides a broadband medium short wave receiving antenna, including a bracket 6, on which a first antenna loop 1 and a second antenna loop 2 are fixedly installed on the bracket 6; the connecting rod 4 is fixedly arranged between the inner walls of the two sides of the first antenna loop 1 and the second antenna loop 2, and the connecting rod 4 is fixedly connected with the bracket 6; the balun box 3 is fixedly arranged on a bracket 6 at the top of the first antenna loop 1 and the second antenna loop 2, and the balun box 3 is electrically connected with the tops of the first antenna loop 1 and the second antenna loop 2; the electronic component box 5, the connecting rod 4 and the brackets 6 at the bottoms of the first antenna loop 1 and the second antenna loop 2 are fixedly provided with the electronic component box 5, and the two electronic component boxes 5 are respectively and electrically connected with the connecting rod 4 and the bottoms of the first antenna loop 1 and the second antenna loop 2; the female square board radio frequency head 10, the lateral part fixed mounting of balun box 3 has female square board radio frequency head 10, and female square board radio frequency head 10 electricity connects feeder 7, connect connecting rod 4 through the middle part of first antenna loop 1 and second antenna loop 2, add electronic components box 5 through connecting rod 4 and first antenna loop 1 and second antenna loop 2 bottom, combine balun box 3, reach band-pass filter to the received signal, shift phase, match the medium and gain is enlarged, thereby improve anti-electromagnetic interference and obtain the ability of broad frequency range.
Referring to fig. 1 and 2, three insulating sleeves 8 are fixedly sleeved on the support 6, the top and the bottom of the first antenna loop 1 and the second antenna loop 2 are mutually perpendicular connected to the insulating sleeves 8 at the top and the bottom of the support 6, the connecting rod 4 is mutually perpendicular connected to the insulating sleeves 8 at the middle part, the first antenna loop 1, the second antenna loop 2 and the connecting rod 4 are made of copper pipe or aluminum alloy and other metal materials, and are fixedly connected through the insulating sleeves 8 made of non-conductor materials, so that interference between the first antenna loop 1 and the second antenna loop 2 is avoided, and the signal receiving is facilitated.
Referring to fig. 2 and 3, four joint bolts 9 are fixedly installed on the balun box 3 and the electronic component box 5, the joint bolts 9 on the balun box 3 are respectively and electrically connected with four intersection points of the tops of the first antenna ring 1 and the second antenna ring 2 and the insulating sleeve 8 through wires, the four joint bolts 9 on the two electronic component boxes 5 are respectively and electrically connected with the intersection points of the connecting rod 4 and the insulating sleeve 8 and the intersection points of the bottoms of the first antenna ring 1 and the second antenna ring 2 and the insulating sleeve 8 through wires, and the joint bolts 9 are used for effectively connecting the first antenna ring 1, the second antenna ring 2 and the connecting rod 4 with the balun box 3 and the electronic component box 5.
Further, the first antenna loop 1 and the second antenna loop 2 are closed loop structures of any one of circular, elliptical, triangular, trapezoidal and frame shapes with equal dimensions.
Referring to fig. 4 to 7, the balun box 3 includes a first box body 31, the electronic component box 5 includes a second box body 51, a first circuit board 11 and a second circuit board 12 are fixedly mounted on the first box body 31 and the second box body 51, two input terminals 13 are fixedly disposed at one ends of the first circuit board 11 and the second circuit board 12, two output terminals 14 are fixedly disposed at the other ends of the first circuit board 11 and the second circuit board 12, the two output terminals 14 are electrically connected with the two joint bolts 9, the two input terminals 13 are electrically connected with the other two joint bolts 9, a band-pass filtering, phase shifting and gain amplifying module is disposed on the first circuit board 11, a band-pass filtering and matching medium module is disposed on the second circuit board 12, power is supplied through the first circuit board 11 and the second circuit board 12 through an external antenna amplifier or a receiver reversely outputting direct current through the feeder line 7, and the balun box 3 delays phase and band-pass filtering and gain amplifying through the first circuit board 11, and the electronic component box 5 performs band-pass filtering and band-pass matching medium.
Further, the band-pass filter module on the second circuit board 12 may be optionally omitted, and the first box 31 and the second box 51 are filled with epoxy resin for waterproof and antistatic protection, and the built-in anti-surge device performs lightning protection and antistatic protection.
Referring to fig. 4, the female square board radio frequency head 10 is fixedly sleeved on the first box body 31, a magnetic ring 32 is fixedly arranged in the first box body 31, an enameled wire 33 is wound on the magnetic ring 32, one side of the enameled wire 33 is connected with the female square board radio frequency head 10, two joints are led out from one end of the enameled wire 33 and are divided into two paths, one path of joint is electrically connected with two joint bolts 9, the other path of joint is electrically connected with two input terminals 13 on the first circuit board 11, the output terminal 14 of the first circuit board 11 is electrically connected with the other two joint bolts 9, an amplifying effect is achieved through the magnetic ring 32 and the enameled wire 33, and direct current is reversely output through the feeder 7 for power supply and signal transmission.
Working principle: the electronic component box 5 is additionally arranged at the bottoms of the connecting rod 4 and the first antenna loop 1 and the second antenna loop 2, the balun box 3 is arranged at the intersection point of the tops of the first antenna loop 1 and the second antenna loop 2, the balun box 3 delays the phase and performs band-pass filtering and gain amplification through the first circuit board 11, the electronic component box 5 performs band-pass filtering and medium matching through the second circuit board 12, the circuit board can reversely output direct current through the feeder 7 through an external antenna amplifier or a receiver to supply power, the electronic component box can be directly erected through the bracket 6 for use, the occupied area is small, the frequency bandwidth and the electromagnetic interference resistance can be achieved through the delay phase and the band-pass filtering and gain amplification, the structure is simple, the omni-directional signal can be effectively received, a wider frequency range can be obtained, the standing wave ratio of the frequency band is low, the return loss is good, and 526.5KHz-28MHz can be effectively received.
Claims (6)
1. The utility model provides a broadband medium short wave receiving antenna which characterized in that: the antenna comprises a bracket, wherein a first antenna loop and a second antenna loop are fixedly arranged on the bracket;
the connecting rods are fixedly arranged between the inner walls of the two sides of the first antenna loop and the second antenna loop, and the connecting rods are fixedly connected with the brackets;
the balun box is fixedly arranged on a bracket at the top of the first antenna loop and the second antenna loop, and is electrically connected with the tops of the first antenna loop and the second antenna loop;
the electronic component boxes are fixedly arranged on the connecting rod and the brackets at the bottoms of the first antenna loop and the second antenna loop, and the two electronic component boxes are respectively and electrically connected with the connecting rod and the bottoms of the first antenna loop and the second antenna loop;
the side part of the balun box is fixedly provided with a female square board radio frequency head which is electrically connected with a feeder line.
2. A broadband medium short wave receiving antenna according to claim 1, wherein: the three insulating sleeves are fixedly sleeved on the support, the top and the bottom of the first antenna ring and the second antenna ring are mutually perpendicular and connected to the insulating sleeves at the top and the bottom of the support, and the connecting rods are mutually perpendicular and connected to the insulating sleeves at the middle part.
3. A broadband medium short wave receiving antenna according to claim 2, characterized in that: four joint bolts are fixedly arranged on the balun box and the electronic component box, the joint bolts on the balun box are respectively and electrically connected with four intersection points of the tops of the first antenna ring and the second antenna ring and the insulating sleeve through wires, and the four joint bolts on the electronic component box are respectively and electrically connected with the intersection points of the connecting rod and the insulating sleeve through wires and the intersection points of the bottoms of the first antenna ring and the second antenna ring and the insulating sleeve.
4. A broadband medium short wave receiving antenna according to claim 1, wherein: the first antenna loop and the second antenna loop are any one of closed annular structures in circular, elliptic, triangular, trapezoidal and frame shapes with equal sizes.
5. A broadband medium short wave receiving antenna according to claim 1, wherein: the balun box comprises a first box body, the electronic component box comprises a second box body, a first circuit board and a second circuit board are fixedly installed in the first box body and the second box body respectively, two input terminals are fixedly arranged at one ends of the first circuit board and the second circuit board, two output terminals are fixedly arranged at the other ends of the first circuit board and the second circuit board respectively and are electrically connected with two joint bolts respectively, two input terminals are electrically connected with other two joint bolts respectively, and a band-pass filtering, phase shifting and gain amplifying module is arranged on the first circuit board, and a band-pass filtering and matching medium module is arranged on the second circuit board.
6. The wideband medium-short wave receiving antenna of claim 5, wherein: the female head square board radio frequency head is fixedly sleeved on a first box body, a magnetic ring is fixedly arranged in the first box body, an enameled wire is wound on the magnetic ring, one side of the enameled wire is connected with the female head square board radio frequency head, two joints are led out from one end of the enameled wire and are divided into two paths, one path of joint is electrically connected with two joint bolts, the other path of joint is electrically connected with two input terminals on a first circuit board, and the output terminal of the first circuit board is electrically connected with other two joint bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322104757.2U CN220324693U (en) | 2023-08-04 | 2023-08-04 | Broadband medium short wave receiving antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322104757.2U CN220324693U (en) | 2023-08-04 | 2023-08-04 | Broadband medium short wave receiving antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220324693U true CN220324693U (en) | 2024-01-09 |
Family
ID=89424251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322104757.2U Active CN220324693U (en) | 2023-08-04 | 2023-08-04 | Broadband medium short wave receiving antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220324693U (en) |
-
2023
- 2023-08-04 CN CN202322104757.2U patent/CN220324693U/en active Active
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