CN212323209U - Portable miniaturized shortwave non-blind area antenna - Google Patents
Portable miniaturized shortwave non-blind area antenna Download PDFInfo
- Publication number
- CN212323209U CN212323209U CN202020964532.8U CN202020964532U CN212323209U CN 212323209 U CN212323209 U CN 212323209U CN 202020964532 U CN202020964532 U CN 202020964532U CN 212323209 U CN212323209 U CN 212323209U
- Authority
- CN
- China
- Prior art keywords
- antenna
- ring
- rods
- radiation
- impedance matching
- 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.)
- Active
Links
Images
Landscapes
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
Abstract
The utility model discloses a portable miniaturized shortwave non-blind area antenna, it relates to shortwave antenna communication equipment technical field. The radiation loop and the coupling loop are fixed at the upper end of the impedance matching unit box, the upper ends of the radiation loop and the coupling loop are fixedly connected through the foldable shrinkage support rod, and the impedance matching unit box is fixed on the foldable shrinkage support rod; the foldable telescopic support rods comprise upper and lower two sections of upper and lower support rods capable of being folded in half, the radiation ring comprises four antenna rods, two of the upper antenna rods are connected in the upper support rods, and the other two lower antenna rods are connected in the lower support rods; the coupling loop is composed of two coupling loop antenna rods and is connected in the lower end support rod. The utility model has the advantages of efficient, the loss is low, the installation is simple, portable miniaturization, non-blind area and anti-interference, portable, application prospect is wide.
Description
Technical Field
The utility model relates to a shortwave antenna communication equipment technical field, concretely relates to portable miniaturized shortwave non-blind area antenna.
Background
The blind area of short wave communication is the area between the ground wave propagation far limit and the sky wave jump distance, and the prior art has two ways to eliminate the blind area: (1) increasing the propagation distance of the earth waves. The propagation distance of the ground wave has close relation with the physical environment, the working wavelength, the radiation power and the efficiency of the antenna; (2) shortening the landing distance of sky wave reflection. The incident elevation angle of the antenna to the ionized layer is raised, the landing distance can be shortened, when the incident elevation angle is 90 degrees, the landing distance of the sky wave can be 0, and theoretically, no blind area exists. The current commonly used short-wave back-pack radio station is generally 20W, if the power is increased by increasing the ground wave distance, the cost of electromagnetic compatibility, power supply, heat dissipation and the like is relatively high, and relatively speaking, the aim of improving or eliminating the blind area by increasing the ground wave propagation distance is difficult and the cost is high; the elevation angle of the antenna is improved, the antenna is easier to realize technically, and the cost is relatively low.
The antenna of shortwave backpack adopts more to be whip antenna, and whip antenna volume is little, simple structure, and portable is accomodate, but its shortcoming that has communication "blind area". The loop antenna has high elevation angle radiation and can realize non-blind area communication, but the loop antenna has larger volume, complex structure and heavier weight relative to the whip antenna, and is difficult to be applied to a knapsack form, so that in order to obtain better non-blind area communication effect and be used for a knapsack mobile use state, the loop antenna is designed into a portable knapsack type, which provides higher requirements for the structure of the loop antenna, not only needs to meet the specific shape of the loop antenna and meet the requirement of the NVIS antenna that main lobe radiation radiates uniformly at high elevation angle within 60-90 degrees, but also overcomes the defects of large volume and complex structure of the loop antenna. How to explore a new structure and a new form, adopt a new technology, and combine a new material and a new technology to enable the lightweight of the loop antenna is the key for realizing the bearing portability.
At present, a copper pipe is generally adopted for a loop antenna to be directly bent and formed or a plurality of sections of antenna rods are spliced, the loop antenna directly bent by the copper pipe is large in size and not suitable for carrying and using, and the loop antenna spliced by the plurality of sections of antenna rods has the defects of being troublesome to mount, large in weight and the like, and is difficult to apply in knapsack use. In order to solve the problems of large size, low efficiency, communication blind area and the like of the short wave antenna, the design of a novel portable small-sized short wave non-blind area antenna is particularly necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a portable miniaturized shortwave non-blind area antenna, simple structure, reasonable in design, radiation, electric conductive property are good, improve radiant efficiency, realize non-blind area communication, and small, light in weight, portable easily uses widely.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a portable miniaturized short-wave non-blind-area antenna comprises a radiation ring, a coupling ring, a foldable contraction stay bar and an impedance matching unit box, wherein the radiation ring and the coupling ring are fixed at the upper end of the impedance matching unit box; the foldable telescopic support rods comprise upper and lower two sections of upper and lower support rods capable of being folded in half, the radiation ring comprises four antenna rods, two of the upper antenna rods are connected in the upper support rods, the other two are connected in the lower support rods, the lower antenna rods are connected in the lower support rods, and the upper antenna rods and the lower antenna rods are connected through studs; the coupling loop is composed of two coupling loop antenna rods, and the coupling loop antenna rods are connected in the lower end support rod.
Preferably, a lock catch is arranged between the upper end support rod and the lower end support rod, and the upper end support rod and the lower end support rod are folded and unfolded and are connected in a locking mode through the lock catch.
Preferably, the lower end support rod is provided with a sliding block, the sliding block is compressed by sliding and is automatically clamped after being in place, and the coupling loop antenna rod is bent into the coupling loop.
Preferably, the upper end stay bar is divided into a first section of telescopic bar, a second section of telescopic bar and a third section of telescopic bar, and the antenna rod at the upper end of the radiation ring and the antenna rod at the lower end of the radiation ring are bent into the radiation ring through the three sections of telescopic bars.
Preferably, the upper end of the impedance matching unit box is connected with the radiation ring, the coupling ring and the foldable contraction support rod, the lower end of the impedance matching unit box is provided with a short-wave radio frequency interface and a communication and power interface, the impedance matching unit box is connected with a radio frequency feeder and a power control feeder, and the impedance matching unit box is connected with an external short-wave radio station through the radio frequency feeder and the power control feeder.
Preferably, the radiation ring adopts the carbon fiber radiation ring, the coupling ring adopts the carbon fiber coupling ring, adopts the carbon fiber as the radiating element of loop antenna, and linear soft, collapsible accomodating, portable just lightens weight greatly, alleviates the burden of person carrying.
The utility model has the advantages that: the device has the advantages of high efficiency, low loss, simple installation, portability, miniaturization, no blind area, interference resistance and portability, has excellent radiation performance, has higher radiation efficiency than whip antennas, realizes non-blind area communication, can reduce co-site interference with other high-frequency and all V/UHF whip antennas when having omnibearing non-blind area communication, and has wide application prospect.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the radiation ring and the coupling ring in a retracted state according to the present invention;
fig. 3 is an expanded schematic view of the collapsible brace of the present invention;
fig. 4 is a schematic view illustrating the connection between the antenna rod at the upper end of the radiation ring and the antenna rod at the lower end of the radiation ring;
fig. 5 is an expanded view of the radiation ring of the present invention;
fig. 6 is an expanded view of the coupling ring of the present invention;
FIG. 7 is a schematic view of the utility model used in conjunction with a back frame;
fig. 8 is a schematic view of the state of the tripod in use.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 to 8, the following technical solutions are adopted in the present embodiment: a portable miniaturized short-wave non-blind-area antenna comprises a radiation ring 1, a coupling ring 2, a foldable contraction support rod 3 and an impedance matching unit box 4, wherein the radiation ring 1 and the coupling ring 2 are fixed at the upper end of the impedance matching unit box 4, the radius of the radiation ring 1 is larger than that of the coupling ring 2, the upper ends of the radiation ring 1 and the coupling ring 2 are fixedly connected through the foldable contraction support rod 3 with a folding structure, and the impedance matching unit box 4 is fixed on the foldable contraction support rod 3; the foldable telescopic support rod 3 consists of an upper support rod 301 and a lower support rod 302 which are two sections and can be folded in half, the upper support rod 301 is divided into a first telescopic rod 301-1, a second telescopic rod 301-2 and a third telescopic rod 301-3 which are three small telescopic rods, the radiation ring 1 consists of four antenna rods with good elasticity, two of the antenna rods are radiation ring upper end antenna rods 101, the radiation ring upper end antenna rod 101 is connected in the upper support rod 301, the other two are radiation ring lower end antenna rods 102, the radiation ring lower end antenna rod 102 is connected in the lower support rod 302, the radiation ring upper end antenna rod 101 is connected with the radiation ring lower end antenna rod 102 through a stud 103, and the radiation ring upper end antenna rod and the radiation ring lower end antenna rod are contracted through the support rods to be bent into a ring shape; the coupling loop 2 is composed of two coupling loop antenna rods 201 with good elasticity, the coupling loop antenna rods 201 are connected in the lower end stay bar 302, and the coupling loop antenna rods 201 are compressed by the slide block 6 in the lower end stay bar 302 and are bent into a ring shape.
It is worth noting that the impedance matching unit box 4 is of a thin structure, the upper end of the impedance matching unit box 4 is connected with the radiation ring 1, the coupling ring 2 and the foldable shrinkage support rod 3, the impedance matching unit box 4 is fixed on the foldable shrinkage support rod 3, an impedance matching unit circuit is arranged in the impedance matching unit box, two external interfaces for connecting with a radio station are arranged at the lower end of the impedance matching unit box 4, the two external interfaces are respectively a short-wave radio frequency interface and a communication and power interface and are respectively connected with a radio frequency feeder 7 and a power control feeder 8, and the impedance matching unit box 4 is connected with an external short-wave radio station 9 through the radio frequency feeder 7 and the power.
In addition, a lock catch 5 is arranged between the upper end support rod 301 and the lower end support rod 302, and the upper end support rod 301 and the lower end support rod 302 are folded and unfolded and are connected in a locking manner through the lock catch 5; the lower end stay 302 is provided with a sliding block 6 which slides and compresses the coupling loop antenna rod 201 to form a ring shape.
This embodiment radiation ring 1, coupling ring 2 all adopt the carbon fiber as loop antenna's radiating element, and its radiation, electric conductive property are good, and linear soft, collapsible accomodating, portable, and carbon fiber material will be light a lot for the antenna mast, and weight reduction greatly lightens, alleviates the burden of knapsack person.
The installation and use method of the embodiment is as follows:
(1) firstly, the upper end stay bar 301 and the lower end stay bar 302 are folded and unfolded, and are quickly locked by the lock catch 5 (fig. 3), and it should be noted that the locking structure is not limited to the lock catch, and other quick locking modes can be adopted;
(2) then, the upper end antenna rod 101 of the radiation ring clamped in the upper end stay 301 and the lower end antenna rod 102 of the radiation ring clamped in the lower end stay 302 are taken out and connected with the lower end antenna rod 102 of the radiation ring through the stud 103 of the upper end antenna rod 101 of the radiation ring (fig. 4); in the upright state of the four antenna poles, the antennas can be switched by the impedance matching unit box 4 and used as whip antennas;
(3) then, the upper end stay 301 is compressed downwards, and the antenna rod 101 at the upper end of the radiation ring and the antenna rod 102 at the lower end of the radiation ring are bent into a large ring shape (fig. 5) through three small telescopic rods, namely a first telescopic rod 301-1, a second telescopic rod 301-2 and a third telescopic rod 301-3, namely the radiation ring 1;
(4) the sliding block 6 on the lower end support rod 302 is pressed, the sliding block 6 is compressed by sliding downwards, the sliding block 6 can be automatically clamped after being in place, and the coupling loop antenna rod 201 is bent into a small ring shape (shown in figure 6), namely a coupling loop 2;
(5) the device is used by matching an extension rod 10 with a back frame 11 or a tripod 12, an impedance matching unit box 4 is fixed at the upper end of the extension rod 10, and when the extension rod 10 is installed on the back frame 11 (figure 7), the back bearing of the antenna is realized; when the extension rod 10 is fixed on the tripod 12 (fig. 8), the fixed-point erection of the antenna is realized, and the antenna can be applied to different environments; and finally, the antenna is connected with a short-wave radio station 9 through a radio frequency feeder 7 and a power supply control feeder 8, so that the non-blind area communication can be realized.
The radiation element is composed of two semi-double rings with different radiuses fixed at the upper end of the impedance matching unit box, and the support rod with the folding structure is connected with one end of the two semi-rings, so that the mechanical support can be increased to improve stability, the support rod is divided into an upper section and a lower section, and can be folded and stored, the lower end of the impedance matching unit box is connected with the radio frequency feeder and the power supply control feeder, and the support rod is connected with an external short wave radio station through the radio frequency feeder and the power supply control feeder. The impedance matching unit box is used for realizing short-wave antenna tuning, controlling antenna transmitting and receiving, and controlling and communicating with a short-wave radio station, and the functions of the unit box comprise a change-over switch, a resonance network, a power supply part and a main control part, wherein the functional relation firstly establishes a communication control relation with the radio station by utilizing a communication and power supply signal interface, and then executes communication functions such as antenna tuning, channel calling and the like according to the communication requirements of the radio station; the functions are realized through a selector switch and a resonant network; the antenna tuning is realized through different combination forms of the resonant network; the power supply part is used for stabilizing each path of direct current power supply required by the impedance matching unit box; the power supply and the communication signal are transmitted into the power supply part and the main control part through the interface, and finally the control of the antenna for receiving and transmitting the signal is realized.
The specific implementation mode adopts a full-loop antenna framework, the radiation efficiency of the full-loop antenna framework is higher than that of a whip antenna, and the full-loop antenna framework is provided with a standard 50 omega radio frequency feed structure, so that the influence on the ground is small, and the loss is reduced; compared with a semi-loop antenna which is difficult to install and maintain, the semi-loop antenna has the important advantages that the semi-loop antenna can be installed only in less time and less space, the system installation only needs a few minutes, special installation equipment is not needed, the weight is light, the physical profile is low, and the problem of antenna placement is also favorably reduced; the simple folding and unfolding mechanism adopted by the device enables the radiation ring to be simply opened and closed and retracted, so that the requirement of the NVIS antenna on uniform radiation of a main lobe radiation at a high elevation angle within 60-90 degrees is met, and therefore non-blind area communication is achieved.
This embodiment can be below 1.5 at short wave frequency channel voltage standing wave ratio, return loss is little, gain is high, stable in structure, except can providing effectual NVIS communication, it is little to have the windage coefficient, the profile is low, light in weight and conveniently set up and remove performances such as receipts, can accord with the important factor that the individual soldier erects and bear the environment and consider better, it is bulky effectively to have solved traditional technique short wave antenna, inefficiency, communication blind area scheduling problem, high efficiency, low loss, the installation is simple, portable miniaturization, non-blind area and anti-interference technological advantage, possess wide market perspective.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A portable miniaturized short-wave non-blind-area antenna is characterized by comprising a radiation ring (1), a coupling ring (2), a foldable contraction stay bar (3) and an impedance matching unit box (4), wherein the radiation ring (1) and the coupling ring (2) are fixed at the upper end of the impedance matching unit box (4), the radius of the radiation ring (1) is larger than that of the coupling ring (2), the upper ends of the radiation ring (1) and the coupling ring (2) are fixedly connected through the foldable contraction stay bar (3) with a folding structure, and the impedance matching unit box (4) is fixed on the foldable contraction stay bar (3); the foldable telescopic support rod (3) consists of an upper support rod (301) and a lower support rod (302) which are folded in half and comprise an upper section and a lower section, the radiation ring (1) consists of four antenna rods, wherein two antenna rods (101) at the upper end of the radiation ring are used as the two antenna rods at the upper end of the radiation ring, the antenna rods (101) at the upper end of the radiation ring are connected in the upper support rod (301), the other two antenna rods (102) at the lower end of the radiation ring are used as the two antenna rods (102) at the lower end of the radiation ring, the antenna rods (102) at the upper end of the radiation ring are connected in the lower support rod (302), and the antenna rods (101) at the; the coupling loop (2) is composed of two coupling loop antenna rods (201), and the coupling loop antenna rods (201) are connected in the lower end stay bar (302).
2. The portable miniaturized short-wave non-blind-area antenna is characterized in that the upper end stay bar (301) and the lower end stay bar (302) are connected in a locking mode through a lock catch (5).
3. The portable miniaturized short-wave non-blind area antenna of claim 1, wherein the lower supporting rod (302) is provided with a sliding block (6) which slides and compresses the coupling loop antenna rod (201) to form a ring shape.
4. The portable miniaturized short-wave non-blind-area antenna according to claim 1, wherein the upper-end supporting rod (301) is divided into three telescopic rods, namely a first telescopic rod (301-1), a second telescopic rod (301-2) and a third telescopic rod (301-3).
5. A portable miniaturized short wave non-blind area antenna according to claim 1, characterized in that the upper end of the impedance matching unit box (4) is connected with the radiation ring (1), the coupling ring (2) and the foldable shrinkage brace rod (3), the lower end of the impedance matching unit box (4) is provided with a short wave radio frequency interface and a communication and power interface, the impedance matching unit box (4) is connected with a radio frequency feeder (7) and a power control feeder (8), and the impedance matching unit box (4) is connected with an external short wave radio station (9) through the radio frequency feeder (7) and the power control feeder (8).
6. The portable miniaturized short-wave non-blind area antenna according to claim 1, wherein the radiation ring (1) is a carbon fiber radiation ring, and the coupling ring (2) is a carbon fiber coupling ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020964532.8U CN212323209U (en) | 2020-05-28 | 2020-05-28 | Portable miniaturized shortwave non-blind area antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020964532.8U CN212323209U (en) | 2020-05-28 | 2020-05-28 | Portable miniaturized shortwave non-blind area antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212323209U true CN212323209U (en) | 2021-01-08 |
Family
ID=74025986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020964532.8U Active CN212323209U (en) | 2020-05-28 | 2020-05-28 | Portable miniaturized shortwave non-blind area antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212323209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839210A (en) * | 2021-09-30 | 2021-12-24 | 海南宝通实业公司 | Tuning device with loop antenna |
-
2020
- 2020-05-28 CN CN202020964532.8U patent/CN212323209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113839210A (en) * | 2021-09-30 | 2021-12-24 | 海南宝通实业公司 | Tuning device with loop antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7126553B1 (en) | Deployable antenna | |
| Deng et al. | TCM-based bezel antenna design with small ground clearance for mobile terminals | |
| CN106299644B (en) | Antenna assembly and electronic equipment including the antenna assembly | |
| CN111342243B (en) | Impedance matching adjustable broadband rectification antenna based on resonance structure | |
| CN103474762B (en) | Based on the broadband multiband printed antenna of two-sided parallel lines feed structure | |
| CN212323209U (en) | Portable miniaturized shortwave non-blind area antenna | |
| CN209001123U (en) | A kind of VHF/UHF foldable portable steel band omnidirectional antenna | |
| CN105789845B (en) | Smartwatch and its full frequency band tuned antenna | |
| CN1125499C (en) | Multi-band antenna structure for portable radio | |
| CN205488565U (en) | Multifrequency section cell -phone antenna | |
| CN111641029A (en) | Portable miniaturized shortwave non-blind area antenna | |
| CN105098317A (en) | Antenna device and electronic equipment | |
| CN104485518A (en) | Ultrashort wave folding type discone antenna | |
| Elsheakh et al. | Quad-band rectenna for RF energy harvesting system | |
| CN102738576B (en) | Broadband planar printed antenna | |
| CN106169653A (en) | Handheld terminal 8 antenna MIMO system | |
| CN109729197A (en) | A kind of mobile terminal | |
| CN208478566U (en) | A kind of mimo antenna minimizing high-isolation | |
| Rao et al. | Shared-Aperture Design of the Cellular Antenna and Satellite Communication Antenna With Circular Polarization in S-Band for Metal-Bezel Smartphones | |
| Chen et al. | Compact dual-band MIMO monopole dual-antenna system for 5G laptops | |
| CN101227027B (en) | Antenna module and electronic device using the same | |
| CN212323210U (en) | Vehicle-mounted short wave non-blind area antenna | |
| CN114430101B (en) | Miniaturized no-blind-area short-wave frame dipole antenna | |
| CN202721262U (en) | Broadband planar printed antenna | |
| Wu et al. | A compact 4-element LTE MIMOantenna design for mobile phone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |