Portable short-wave weather fax antenna

Abstract

The utility model relates to the field of antennas, in particular to a portable short-wave meteorological fax antenna, which comprises an antenna main body, an antenna oscillator, a support frame, an extension rod and an adjusting handle, an antenna is arranged at the upper end of the main body, the lower end of the antenna main body is supported and fixed by the extension rod and the support frame, and the adjusting handle is arranged on the extension rod and the support frame; the mobile, portable and detachable structural design is convenient to carry and suitable for being mounted on a vehicle or carried; the structure is simple and reliable, the modular mechanism design is adopted, erection and maintenance are convenient, rapid installation and disassembly can be guaranteed, and single-soldier erection can be achieved; and the antenna is waterproof and meets all-weather weather conditions.

Description

Technical Field

[0001] The utility model relates to the field of antennas, in particular to a portable shortwave weather fax antenna. Background Art

[0002] An antenna is a device that can effectively radiate electromagnetic waves in a specific direction in space or effectively receive electromagnetic waves from a specific direction in space. The stability and efficiency of the use of the antenna device are affected by factors such as the meteorological environment. While realizing its functions, the antenna device also needs to adapt to various installation and use environments, and also needs to be easy to carry so that it can be migrated and used more quickly. Utility Model Content

[0003] The purpose of the utility model is to provide a portable shortwave weather fax antenna to solve the problem that the antenna device proposed in the above background technology needs to adapt to various installation and use environments while realizing its functions, and also needs to be easy to carry so as to facilitate migration and use.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A portable shortwave weather fax antenna comprises an antenna body 1, an antenna vibrator 2, a support frame 3, an extension rod 4 and an adjustment handle 5. The antenna vibrator 2 is arranged at the upper end of the main body 1, and the lower end of the antenna body 1 is supported and fixed by the extension rod 4 and the support frame 3. The extension rod 4 and the support frame are provided with an adjustment handle 5. The shortest folded length of the antenna vibrator 2 is 43 cm, and the longest length is 290 cm. The antenna body 1 is a bottom-adjustable antenna. The exterior of the antenna body is wrapped by a glass shell with a waterproof design. A lead screw structure is arranged inside the antenna body 2, and a controller can manually control the controlled motor inside the antenna line body to pull the lower half to contract, so as to change the inductance value to change the frequency resonance to obtain the standing wave ratio. The antenna vibrator is designed to be folded, and when in use, it can be unfolded or folded according to the frequency of use and the space of use.

[0006] Adding a ground grid to the support base of the antenna body 1 can extend the ground wave propagation distance, generate high elevation angle radiation, and enhance the vertical incidence of the ionosphere.

[0007] A power cord 101 is provided at the lower end of the antenna body 1 , and an interface 102 is provided on the side of the lower end of the antenna body 1 . The antenna body 1 has its own 12V power supply and is rechargeable and replaceable.

[0008] The support frame 3 includes a main pole 301, a tripod 302 and a connecting plate 303. The main pole 301 is sleeved with an extension pole 4. The upper end of the main pole 301 is provided with an adjustment handle 5. The lower end of the main pole 301 is provided with a fixing part of the connecting plate 303. One end of the connecting plate 303 is connected to the fixing part on the main pole 301, and the other end is connected to the straight pole of the tripod 302. The fixing part of the tripod 302 is arranged in the middle position of the main pole 301. The support frame 3 serves as an antenna base and is connected to the external copper network cable on the ground as a ground network to improve the blind spot at a distance of 50 to 100 kilometers.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] The utility model has a mobile, portable and detachable structure design, which is convenient to carry and suitable for vehicle or portable use. The structure is simple and reliable, the modular mechanism design is convenient for installation and maintenance, and can ensure rapid installation and removal, and can be installed by a single soldier; the antenna is waterproof and meets all-weather weather conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is one of the overall structural schematic diagrams of the present invention;

[0012] Figure 2 This is the second schematic diagram of the overall structure of the present invention;'

[0013] Figure 3 It is one of the partial structural schematic diagrams of the present invention;

[0014] Figure 4 This is the second schematic diagram of the partial structure of the present invention;

[0015] Figure 5 It is a schematic diagram of the split structure of the present invention.

[0016] In the figure: 1. Antenna body; 101; power cord; 102; interface; 2. Antenna vibrator; 3. Support frame; 301; main pole; 302; tripod; 303; connecting plate; 4. extension pole; 5. adjustment handle. DETAILED DESCRIPTION

[0017] In order to clarify the technical problems, technical solutions, implementation processes and performance demonstrations, the utility model is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are for explanation only. The utility model is not intended to limit the utility model. Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same figure numbers in the drawings represent elements with the same or similar functions. Although various aspects of the embodiments are shown in the drawings, the drawings do not have to be drawn to scale unless otherwise specified.

[0018] The word “exemplary” is used exclusively herein to mean “serving as an example, example, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.

[0019] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific embodiments. It should be understood by those skilled in the art that the present disclosure can also be implemented without certain specific details. In some examples, methods, means, components and circuits well known to those skilled in the art are not described in detail in order to highlight the subject matter of the present disclosure.

[0020] like Figure 1-Figure 4 As shown, a portable shortwave weather fax antenna includes an antenna body 1, an antenna vibrator 2, a support frame 3, an extension rod 4 and an adjustment handle 5. The antenna vibrator 2 is provided at the upper end of the body 1, and the lower end of the antenna body 1 is supported and fixed by the extension rod 4 and the support frame 3. The extension rod 4 and the support frame are provided with an adjustment handle 5. The shortest folded length of the antenna vibrator 2 is 43 cm, and the longest length is 290 cm. The antenna body 1 is a bottom-adjustable antenna. The outside of the antenna body is wrapped by a glass shell with a waterproof design. A screw rod structure is provided inside the antenna body 2, and the controlled motor inside the antenna line body can be manually controlled by a controller to pull the lower half to shrink, and the inductance value is changed to change the frequency resonance to obtain the standing wave ratio. The antenna vibrator is designed to be folded, and when in use, it can be unfolded or folded according to the frequency of use and the space used.

[0021] Adding a ground grid to the support base of the antenna body 1 can extend the ground wave propagation distance, generate high elevation angle radiation, and enhance the vertical incidence of the ionosphere.

[0022] A power cord 101 is provided at the lower end of the antenna body 1 , and an interface 102 is provided on the side of the lower end of the antenna body 1 . The antenna body 1 has its own 12V power supply and is rechargeable and replaceable.

[0023] The support frame 3 includes a main pole 301, a tripod 302 and a connecting plate 303. The main pole 301 is sleeved with an extension pole 4. The upper end of the main pole 301 is provided with an adjustment handle 5. The lower end of the main pole 301 is provided with a fixing part of the connecting plate 303. One end of the connecting plate 303 is connected to the fixing part on the main pole 301, and the other end is connected to the straight pole of the tripod 302. The fixing part of the tripod 302 is arranged in the middle position of the main pole 301. The support frame 3 serves as an antenna base and is connected to the external copper network cable on the ground as a ground network to improve the blind spot at a distance of 50 to 100 kilometers.

[0024] When the antenna is installed on a vehicle or ship, the base is connected to the metal hull and the metal vehicle or ship is used as the ground grid. When installed on a non-metallic vehicle or ship, a ground grid is set up with the base as the axis. When installed on the roof or the ground, 5-20 5-meter copper ground wires are set up with the base as the axis.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A portable shortwave weather fax antenna, characterized in that: The antenna comprises an antenna body (1), an antenna vibrator (2), a support frame (3), an extension rod (4) and an adjustment handle (5); the upper end of the body (1) is provided with the antenna vibrator (2); the lower end of the antenna body (1) is supported and fixed by the extension rod (4) and the support frame (3); the extension rod (4) and the support frame are provided with an adjustment handle (5); the shortest folded length of the antenna vibrator (2) is 43 cm, and the longest length is 290 cm; the antenna body (1) is a bottom-adjustable antenna; the lower end of the antenna body (1) is provided with a power cord (101); the lower end side of the antenna body (1) is provided with an interface (102); the antenna body (1) has its own 12V power supply and is rechargeable and replaceable; A ground grid is added to the support base of the antenna body (1), so that the ground wave propagation distance can be extended, and high elevation angle radiation is generated to enhance the vertical incidence of the ionosphere; the support frame (3) comprises a main pole (301), a tripod (302) and a connecting plate (303); an extension pole (4) is sleeved inside the main pole (301); an adjustment handle (5) is provided at the upper end of the main pole (301); a fixing piece of the connecting plate (303) is provided at the lower end of the main pole (301); one end of the connecting plate (303) is connected to the fixing piece on the main pole (301), and the other end is connected to the straight pole of the tripod (302); the fixing piece of the tripod (302) is arranged at the middle position of the main pole (301).

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