Emergency communication antenna

Abstract

The utility model discloses an emergency communication antenna, and specifically relates to the technical field of communication antennae, the emergency communication antenna comprises a parabolic reflector and a feed source arranged at the top of the parabolic reflector, the emergency communication antenna also comprises a protection assembly used for protecting the parabolic reflector and the feed source, the protection assembly comprises a base, the top of the base is hinged with four sealing plates, and the sealing plates are arranged on the base. Each sealing plate is provided with a connecting plate, the bottom of the parabolic reflector is detachably connected with a connecting block, a rotating rod fixedly penetrates through the interior of the connecting block, and the top of the base is provided with a driving mechanism used for driving the rotating rod to rotate. The angles of the parabolic reflector and the feed source are automatically adjusted through the driving mechanism, so that the arrangement efficiency of the communication antenna can be improved, meanwhile, the base and the four sealing plates are arranged to wrap the parabolic reflector and the feed source in a matched mode, the safety of the parabolic reflector and the feed source can be improved, and the four sealing plates and the base can be used as a support. And a supporting effect is achieved, so that the convenience can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to communication antenna technical field more particularly, it is an emergency communication antenna. BACKGROUND

[0002] The main use of emergency communication antenna is to provide effective on-site emergency communication guarantee in remote areas, bad weather and public network cannot be used, help the development of emergency rescue work, specifically, emergency communication antenna receives satellite signals and converts them into usable communication signals, so that communication can still be carried out in the absence of traditional communication means. This communication method has the characteristics of good signal, simple and convenient satellite, light and portable, reliable and stable network connection, and is an important communication tool in emergency rescue and other scenarios. The parabolic antenna is a kind of communication antenna, which is composed of a parabolic reflector and an illuminator (feed source) located at the focus. When transmitting, the signal is radiated from the feed source to the parabolic surface, and then radiated along the parabolic surface normal parallel after reflection; When receiving, parallel electric waves converge to the feed source through the reflecting surface.

[0003] This parabolic antenna has high gain, can effectively concentrate energy, can capture weak signals; Strong directivity, can efficiently transmit or receive radio waves in a specific direction; Wide frequency band, suitable for transmission and reception of various frequency signals, etc. For example, the prior art with publication number CN213340689U discloses a foldable emergency communication antenna, which has angle adjustment and height adjustment functions through the establishment of servo motor and linear motor, so that the antenna pot still has the function of temporary risk avoidance when folded.

[0004] However, the above-mentioned prior art has the following problems when in use: the parabolic antenna is large in size, even if the communication antenna can be folded, the size after folding is still large, so it is very inconvenient to carry and use, and the parabolic antenna is easy to be damaged by collision during carrying, affecting the subsequent communication use. Based on this, the utility model provides an emergency communication antenna with high arrangement efficiency and high safety. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an emergency communication antenna, which automatically adjusts the angle of the parabolic reflector and the feed source through the driving mechanism, so as to improve the arrangement efficiency of the communication antenna, and at the same time, the base and the four sealing plates are arranged to wrap the parabolic reflector and the feed source, which can improve the safety of the two, and the four sealing plates and the base can be used as a support to play a supporting role, so as to improve the convenience, so as to solve the problems in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: an emergency communication antenna, including parabolic reflector and the feed source of parabolic reflector top, still including protection subassembly for protecting parabolic reflector and feed source, protection subassembly includes base, four sealing plates are hinged on the top of base, every sealing plate all is equipped with connecting plate, the bottom of parabolic reflector is detachably connected with connecting block, the inside fixed penetration of connecting block has rotating rod, the top of base is equipped with the drive mechanism for driving rotating rod rotation, sets up drive mechanism and can automatically adjust the angle of parabolic reflector and feed source, by this can realize automation, and then can improve the arrangement efficiency, it is convenient for emergency use.

[0007] In a preferred embodiment, a fastening bolt is threadedly connected to each connecting plate, and the connecting plates are detachably connected together with the base by the fastening bolts, so as to facilitate workers to quickly assemble the sealing plates and the base for use.

[0008] In a preferred embodiment, the drive mechanism includes a rotating disc rotatably arranged on the top of the base by a bearing, an adjusting seat is fixedly arranged on the top of the rotating disc, and the rotating rod is rotatably arranged in the adjusting seat. The rotating rod supports the parabolic reflector, so as to facilitate adjustment of the angle of the parabolic reflector.

[0009] In a preferred embodiment, a stepping motor is fixedly arranged on one side of the adjusting seat, and an output shaft of the stepping motor penetrates the adjusting seat and is fixedly connected to one end of the rotating rod. The stepping motor drives the rotating rod to rotate the connecting block, so as to automatically adjust the angle of the parabolic reflector and the feed source, and improve the arrangement efficiency.

[0010] In a preferred embodiment, a handle is fixedly arranged on the outer wall of each sealing plate, and the number of the handles is two. The two handles are distributed on the upper and lower portions of the outer wall of the sealing plate. The handles can facilitate workers to move the entire device and quickly open the sealing plates.

[0011] In a preferred embodiment, a support is fixedly arranged on the feed source, and the support is fixedly connected between the support and the parabolic reflector. The support supports the feed source to stably work, and improves the stability of the communication signal of the communication antenna.

[0012] The utility model discloses the technical effect and advantage:

[0013] The utility model discloses the angle of parabolic reflector and feed source is automatically adjusted by drive mechanism, by this can improve the arrangement efficiency of communication antenna, set up base and four sealing plates cooperation and wrap parabolic reflector and feed source, can improve the security of both, can use four sealing plates and base as support, play the supporting role, by this can improve the convenience. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic view of the utility model;

[0015] Figure 2 It is the parabolic reflector and feed source structure view of the utility model;

[0016] Figure 3 It is the drive mechanism structure schematic view of the utility model;

[0017] Figure 4 It is the sealed plate horizontal state schematic view of the utility model;

[0018] Figure 5 It is the sealed plate vertical state schematic view of the utility model.

[0019] The figure mark is: 1, parabolic reflector;2, feed source;3, protection assembly;4, connecting block;5, rotating rod;6, drive mechanism;7, handle;8, support;

[0020] 31, base;32, sealed plate;33, connecting plate;34, fastening bolt;

[0021] 61, rotating disc;62, adjusting seat;63, step motor. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Referring to the drawings in the description Figures 1-5 The utility model provides a kind of emergency communication antenna, including parabolic reflector 1 and the feed source 2 being located at the top of parabolic reflector 1, and the feed source 2 is fixedly provided with support 8, and the support 8 is fixedly connected between parabolic reflector 1, further include protection assembly 3, for protecting parabolic reflector 1 and feed source 2, the protection assembly 3 includes base 31, the top of the base 31 is hingedly connected with four sealed plates 32, each sealed plate 32 is equipped with connecting plate 33, the bottom of the parabolic reflector 1 is detachably connected with connecting block 4, rotating rod 5 is fixedly penetrated in the inside of connecting block 4, rotating rod 5 can drive connecting block 4 to rotate, so as to adjust the angle of parabolic reflector 1.

[0024] The top of the base 31 is provided with a drive mechanism 6 for driving the rotation of the rotating rod 5, specifically, the drive mechanism 6 comprises a rotating disc 61 which is rotatably arranged on the top of the base 31 through a bearing, an adjusting seat 62 is fixedly arranged on the top of the rotating disc 61, the rotating rod 5 is rotatably arranged in the adjusting seat 62, a stepping motor 63 is fixedly arranged on one side of the adjusting seat 62, the stepping motor 63 is an electromagnetic digital control motor which converts electric pulse signals into angular displacement or linear displacement, when the pulse current arranged in a certain order is passed through the stator winding, the rotating magnetic field is generated, and the rotor rotates step by step under the action of the magnetic field force, one end of the output shaft of the stepping motor 63 penetrates through the adjusting seat 62 and is fixed with one end of the rotating rod 5, the rotating rod 5 is driven by the stepping motor 63 to drive the connecting block 4 to rotate, so that the angle of the parabolic reflector 1 and the feed source 2 can be automatically adjusted, thereby the arrangement efficiency can be improved.

[0025] The fastening bolts 34 are threadedly connected to each connecting plate 33, the connecting plates 33 are detachably connected together with the base 31 through the fastening bolts 34, so that the staff can quickly assemble the sealing plates 32 and the base 31 for use, the handles 7 are fixedly arranged on the outer walls of each sealing plate 32, the number of the handles 7 is two, and the two handles 7 are distributed on the upper and lower sealing plate 32 outer walls, the handles 7 can facilitate the staff to move the whole device and quickly open the sealing plate 32.

[0026] In the emergency use, the staff first holds the handle 7, opens the four sealing plates 32 in turn, the sealing plate 32 contacts the ground through the handle 7, so that the stability of the whole device can be improved, then the angle of the parabolic reflector 1 and the feed source 2 is adjusted by using the drive mechanism 6, and then the parabolic reflector 1 and the feed source 2 can be used, the structure is simple, and the arrangement is very fast, in the launching, the feed source 2 is located at the focal point position of the parabolic reflector 1, it converts the high-frequency current into electromagnetic waves and radiates in all directions, among them, the electromagnetic waves radiated in the parabolic direction are reflected after the parabolic reflection, and are arranged into plane waves parallel to the parabolic axis, and are launched in a specific direction, since the energy is relatively concentrated in the reflection process of the electromagnetic waves, and the beam is relatively narrow, so that the higher radiation intensity and gain can be obtained in a specific direction, so that the long-distance signal transmission is realized, so that the use as the emergency communication antenna is more convenient, in addition, the staff can also turn the four sealing plates 32 to be vertical, and connect and fix the sealing plates 32 and the base 31 by using the connecting plates 33 and the fastening bolts 34, the parabolic reflector 1 and the feed source 2 are lifted by the four sealing plates 32, so that the ground sundries do not pollute the parabolic reflector 1 and the feed source 2, after not being used, the staff loosens the connecting plates 33, and then turns the four sealing plates 32 to be closed again, the parabolic reflector 1, the feed source 2 and the drive mechanism 6 are wrapped by the four sealing plates 32 and the base 31, so that the safety of transportation can be improved.

[0027] Finally: the above only for the preferred embodiments of the present application have, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. An emergency communication antenna comprising a parabolic reflector (1) and a feed (2) provided at the top of the parabolic reflector (1), characterized in that, Also include; The protection assembly (3) is used for protecting the parabolic reflector (1) and the feed source (2), the protection assembly (3) includes a base (31), four sealing plates (32) are hinged on the top of the base (31), and a connecting plate (33) is arranged on each sealing plate (32); The bottom of the parabolic reflector (1) is detachably connected with a connecting block (4), a rotating rod (5) is fixedly penetrated in the connecting block (4), and a driving mechanism (6) for driving the rotating rod (5) to rotate is arranged on the top of the base (31).

2. An emergency communications antenna according to claim 1, wherein: A fastening bolt (34) is threadedly connected on each connecting plate (33), and the connecting plate (33) is detachably connected with the base (31) through the fastening bolt (34).

3. An emergency communications antenna according to claim 1, wherein: The driving mechanism (6) comprises a rotating disc (61), the rotating disc (61) is rotatably arranged on the top of the base (31) through a bearing, an adjusting seat (62) is fixedly arranged on the top of the rotating disc (61), and the rotating rod (5) is rotatably arranged in the adjusting seat (62).

4. An emergency communications antenna according to claim 3, wherein: A stepping motor (63) is fixedly arranged on one side of the adjusting seat (62), and one end of an output shaft of the stepping motor (63) penetrates through the adjusting seat (62) and is fixed with one end of the rotating rod (5).

5. An emergency communications antenna according to claim 1, wherein: A handle (7) is fixedly arranged on the outer wall of each sealing plate (32), the number of the handle (7) is two, and the two handles (7) are distributed on the upper and lower outer walls of the sealing plate (32).

6. An emergency communications antenna according to claim 1, wherein: The feed source (2) is fixedly provided with a support (8), and the support (8) is fixedly connected with the parabolic reflector (1).

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