Portable emergency communication antenna

Abstract

The utility model discloses a portable emergency communication antenna which comprises a base, the top of the base is connected with a first L-shaped support through an angle adjusting mechanism, one end of the first L-shaped support is fixedly provided with an antenna feed source, and the other end of the first L-shaped support is fixedly provided with a second rotating shaft. The first rotating shaft is fixedly sleeved with a first L-shaped support, the second rotating shaft is fixedly sleeved with a second L-shaped support, an electric cylinder is hinged to the first L-shaped support, the push rod end of the electric cylinder is hinged to the second L-shaped support, and a parabolic reflecting plate is installed on the outer wall of the second L-shaped support. Through the arrangement of the base and the cover box, the communication antenna can be well protected, and the parabolic reflecting plate can be divided into the first arc-shaped plate, the second arc-shaped plate and the two side arc-shaped plates, so that the storage space occupied by the communication antenna can be effectively reduced; and the detached second arc-shaped plate and the two side arc-shaped plates can be stored in the cover box, so that the use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a communication antenna, concretely is a portable emergency communication antenna. BACKGROUND

[0002] The parabolic antenna is a commonly used satellite communication antenna, which is composed of a parabolic reflector and an illuminator (feed source) located at the focal point. The parabolic antenna usually adopts a metal rotating paraboloid, a cut rotating paraboloid or a cylindrical paraboloid as a reflector, and a horn or a symmetrical dipole with a reflector as a feed source.

[0003] In the anti-disaster and field operation, the parabolic antenna for emergency communication has a high portability requirement to reduce the occupation of the valuable transportation space. At present, although some portable parabolic antennas can reduce the storage space occupied by folding or telescoping, the antenna support is only folded or telescoped to shorten the distance between the antenna feed source and the parabolic reflector to achieve the purpose of reducing the occupied space. However, the parabolic reflector of such parabolic antenna still occupies a lot of storage space even after turning over, which needs to be improved. SUMMARY

[0004] The utility model aims at providing a portable emergency communication antenna to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A portable emergency communication antenna, comprising a base, the top of the base is connected with a first L-shaped support through an angle adjusting mechanism, one end of the first L-shaped support is fixedly installed with an antenna feed source, the other end of the first L-shaped support is fixedly installed with a second rotating shaft, a second L-shaped support is fixedly sleeved on the second rotating shaft, an electric cylinder is hinged on the first L-shaped support, the push rod end of the electric cylinder is hinged with the second L-shaped support, a parabolic reflector is installed on the outer wall of the second L-shaped support, the parabolic reflector comprises a first arc-shaped plate, a second arc-shaped plate and two symmetrically arranged side arc-shaped plates, the first arc-shaped plate is fixedly connected with the second L-shaped support, the first arc-shaped plate, the second arc-shaped plate and the side arc-shaped plate are detachably connected through a first buckle, a cover box is arranged on the top of the base, and the angle adjusting mechanism, the first L-shaped support, the second L-shaped support and the parabolic reflector are all located in the cover box.

[0007] As a further scheme of the utility model: a first positioning sleeve is fixedly connected with one end of the rear wall of the first arc-shaped plate close to the second arc-shaped plate, and a first plug block matched with the first positioning sleeve is fixedly installed on the rear wall of the second arc-shaped plate.

[0008] As a further scheme of the utility model: the rear wall of the first arc-shaped plate and the second arc-shaped plate is fixedly installed with a second positioning sleeve near both ends, the rear wall of the side arc-shaped plate is fixedly installed with a second plug block corresponding to the second positioning sleeve, and the second plug block is matched with the second positioning sleeve.

[0009] As a further scheme of the utility model: the outer wall of the cover box is fixedly installed with a handle, each outer wall of the cover box is detachably connected with the base through a plurality of buckles, and the inner wall of the cover box is installed with a plurality of bandages.

[0010] As a further scheme of the utility model: the angle adjusting mechanism comprises a slewing bearing fixedly installed at the top of the base, a first speed reduction stepper motor is installed at the power input end of the slewing bearing, a turntable is installed at the power output end of the slewing bearing, a U-shaped seat is fixedly installed at the top of the turntable, a second speed reduction stepper motor is rotatably installed at the inner side of the U-shaped seat, the first L-shaped support is fixedly sleeved on the second speed reduction stepper motor, a first rotating shaft is fixedly installed at the outer wall of the U-shaped seat, and the output shaft of the first rotating shaft is fixedly connected with one end of the second speed reduction stepper motor.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses a base and the setting of cover box can play a good protection effect to communication antenna, and because the parabolic reflector can be split into first arc-shaped plate, second arc-shaped plate and two side arc-shaped plates, can effectively reduce the storage space occupied by communication antenna, and the second arc-shaped plate and two side arc-shaped plates that are taken off can be stored in the cover box, and the use effect is good. ACCURACY OF DRAWINGS

[0013] Fig. 1 It is a kind of portable emergency communication antenna's structural schematic diagram.

[0014] Fig. 2 It is a kind of portable emergency communication antenna's unfolded structure schematic diagram.

[0015] Fig. 3 It is a kind of portable emergency communication antenna's parabolic reflector's back structure schematic diagram.

[0016] Wherein, base 1, cover box 2, handle 3, slewing bearing 4, first speed reduction stepper motor 5, turntable 6, U-shaped seat 7, second speed reduction stepper motor 8, first rotating shaft 9, first L-shaped support 10, antenna feed 11, second rotating shaft 12, second L-shaped support 13, electric cylinder 14, parabolic reflector 15, first arc-shaped plate 16, second arc-shaped plate 17, side arc-shaped plate 18, first plug block 19, first positioning sleeve 20, second plug block 21, second positioning sleeve 22, first buckle 23, bandage 24. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] Please refer to Figs. 1-3 In the embodiments of the utility model, a portable emergency communication antenna comprises a base 1, the top of the base 1 is connected with a first L-shaped support 10 through an angle adjusting mechanism, one end of the first L-shaped support 10 is fixedly installed with an antenna feed source 11, the other end of the first L-shaped support 10 is fixedly installed with a second rotating shaft 12, the second rotating shaft 12 is fixedly sleeved with a second L-shaped support 13, the first L-shaped support 10 is hingedly connected with an electric cylinder 14, the push rod end of the electric cylinder 14 is hingedly connected with the second L-shaped support 13, the outer wall of the second L-shaped support 13 is installed with a parabolic reflector 15, the parabolic reflector 15 comprises a first arc-shaped plate 16, a second arc-shaped plate 17 and two symmetrically arranged side arc-shaped plates 18, the first arc-shaped plate 16 is fixedly connected with the second L-shaped support 13, the first arc-shaped plate 16, the second arc-shaped plate 17 and the side arc-shaped plate 18 are detachably connected through a first buckle 23, the top of the base 1 is provided with a cover box 2, and the angle adjusting mechanism, the first L-shaped support 10, the second L-shaped support 13 and the parabolic reflector 15 are all located in the cover box 2.

[0019] The utility model discloses a scheme above, utilize the base 1 and the cover box 2's setting, can play good protection effect to communication antenna, and because parabolic reflector 15 can be split into first arc-shaped plate 16, second arc-shaped plate 17 and two side arc-shaped plates 18, therefore can effectively reduce the storage space occupied by communication antenna, and the second arc-shaped plate 17 and two side arc-shaped plates 18 of dismounting can be stored in cover box 2, when needing to use this communication antenna, after carrying base 1 to the position required, take away cover box 2, then start angle adjusting mechanism and adjust first L-shaped support 10 to the angle required, then start electric cylinder 14 and push second L-shaped support 13 to rotate relative to first L-shaped support 10, namely can adjust first arc-shaped plate 16 to the angle required, then through first buckle 23 installs second arc-shaped plate 17 and two side arc-shaped plates 18 on first arc-shaped plate 16, it is simple and convenient to operate.

[0020] Specifically combined Fig. 3In an embodiment of the utility model, the rear wall of first arc plate 16 is fixedly connected with first positioning sleeve 20 near one end of second arc plate 17, the rear wall of second arc plate 17 is fixedly installed with first plug block 19 matched with first positioning sleeve 20, through the cooperation of first positioning sleeve 20 and first plug block 19, the quick positioning installation of second arc plate 17 on first arc plate 16 is facilitated.

[0021] Further, the rear wall of first arc plate 16 and second arc plate 17 is fixedly installed with second positioning sleeve 22 near both ends, the rear wall of side arc plate 18 is fixedly installed with second plug block 21 matched with second positioning sleeve 22 at the corresponding position of second positioning sleeve 22, the quick positioning installation of two side arc plates 18 on both sides of first arc plate 16 and second arc plate 17 is facilitated through the cooperation of second plug block 21 and second positioning sleeve 22.

[0022] Specifically combined Fig. 1 In an embodiment of the utility model, the outer wall of cover box 2 is fixedly installed with handle 3, and each outer wall of cover box 2 is detachably connected with base 1 through a plurality of buckles (not shown in the figure), so as to facilitate the disassembly and assembly of cover box 2 on base 1, the inner wall of cover box 2 is installed with a plurality of bandages 24, so as to facilitate the fixation of disassembled second arc plate 17 and two side arc plates 18 in cover box 2, so as to avoid the large-scale movement of second arc plate 17 and two side arc plates 18 in cover box 2 during transportation.

[0023] Specifically combined Fig. 1 And Fig. 2 In an embodiment of the utility model, the angle adjusting mechanism comprises rotary support 4 fixedly installed on the top of base 1, the power input end of rotary support 4 is installed with first reduction stepper motor 5, the power output end of rotary support 4 is installed with rotating disc 6, the top of rotating disc 6 is fixedly installed with U-shaped seat 7, the inner side of U-shaped seat 7 is rotatably installed with second reduction stepper motor 8, first L-shaped support 10 is fixedly sleeved on second reduction stepper motor 8, the outer wall of U-shaped seat 7 is fixedly installed with first rotating shaft 9, and the output shaft of first rotating shaft 9 is fixedly connected with one end of second reduction stepper motor 8.

[0024] By starting first reduction stepper motor 5, rotary support 4 can be used to drive rotating disc 6 to rotate, by starting second reduction stepper motor 8, first rotating shaft 9 can be driven to rotate, first L-shaped support 10 is driven to rotate, and the angle adjustment of communication antenna is realized.

[0025] In addition, in some preferred embodiments of the utility model, the base 1 is also fixedly installed with a controller, and the first reduction stepper motor 5, the second reduction stepper motor 8 and the electric cylinder 14 are all electrically connected with the controller, and the controller is powered by an external power supply.

[0026] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A portable emergency communications antenna, characterized by: The utility model provides a kind of antenna, including base (1), the top of the base (1) is connected with first L-shaped support (10) by angle adjusting mechanism, one end of the first L-shaped support (10) is fixedly installed with antenna feed (11), the other end of the first L-shaped support (10) is fixedly installed with second rotating shaft (12), second L-shaped support (13) is fixedly sleeved on the second rotating shaft (12), electric cylinder (14) is hinged on the first L-shaped support (10), the push rod end of the electric cylinder (14) is hinged with second L-shaped support (13), parabolic reflector (15) is installed on the outer wall of second L-shaped support (13), and the parabolic reflector (15) includes first arc plate (16), second arc plate (17) and two symmetrically arranged side arc plates (18), the first arc plate (16) is fixedly connected with second L-shaped support (13), the first arc plate (16), second arc plate (17) and side arc plate (18) are detachably connected by first buckle (23), the top of the base (1) is provided with cover box (2), and the angle adjusting mechanism, first L-shaped support (10), second L-shaped support (13) and parabolic reflector (15) are located in cover box (2).

2. A portable emergency communications antenna according to claim 1, wherein: The rear wall of the first arc plate (16) is fixedly connected with first positioning sleeve (20) close to one end of the second arc plate (17), and the rear wall of the second arc plate (17) is fixedly installed with first plug-in block (19) matched with the first positioning sleeve (20).

3. The portable emergency communications antenna of claim 1, wherein: The rear wall of the first arc plate (16) and the second arc plate (17) is fixedly installed with second positioning sleeve (22) close to both ends, and the rear wall of the side arc plate (18) is fixedly installed with second plug-in block (21) matched with the second positioning sleeve (22).

4. The portable emergency communications antenna of claim 1, wherein: The outer wall of the cover box (2) is fixedly installed with handle (3), and each outer wall of the cover box (2) is detachably connected with the base (1) by a plurality of buckles, and the inner wall of the cover box (2) is installed with a plurality of bandages (24).

5. The portable emergency communications antenna of claim 1, wherein: The angle adjusting mechanism includes a slewing bearing (4) fixedly installed on the top of the base (1), a first speed reduction stepper motor (5) is installed on the power input end of the slewing bearing (4), a turntable (6) is installed on the power output end of the slewing bearing (4), a U-shaped seat (7) is fixedly installed on the top of the turntable (6), a second speed reduction stepper motor (8) is rotatably installed on the inner side of the U-shaped seat (7), the first L-shaped support (10) is fixedly sleeved on the second speed reduction stepper motor (8), a first rotating shaft (9) is fixedly installed on the outer wall of the U-shaped seat (7), and the output shaft of the first rotating shaft (9) is fixedly connected with one end of the second speed reduction stepper motor (8).

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