CN113820729A

CN113820729A - Beidou GPS satellite indoor coverage system

Info

Publication number: CN113820729A
Application number: CN202111104272.2A
Authority: CN
Inventors: 王群; 王新苗; 赵波; 张平
Original assignee: Shenzhen Ares Technology Co ltd
Current assignee: Shenzhen Ares Technology Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2021-12-21

Abstract

The invention discloses a Beidou GPS satellite indoor coverage system, which belongs to the technical field of satellite antennas and comprises a bidirectional amplifier, a power divider, an indoor coverage ceiling antenna and an outdoor satellite receiving and transmitting antenna, wherein the outdoor satellite receiving and transmitting antenna is connected with the bidirectional amplifier through a cable; after the satellite signal is received by the outdoor satellite transceiving antenna 4, the communication signal is amplified and retransmitted through the bidirectional amplifier, and the indoor signal of the weak coverage or signal blind area is solved; the covering ceiling antenna uniformly covers the signals amplified by the bidirectional amplifier 1 to the area needing to make a call, receives the reverse return signals of the satellite phone, transmits the signals to the outdoor satellite receiving and transmitting antenna after being amplified by the bidirectional amplifier, and transmits the signals to the satellite, thereby realizing a complete communication network link channel, ensuring that the signals are excellent and the effect is good.

Description

Beidou GPS satellite indoor coverage system

Technical Field

The invention belongs to the technical field of satellite antennas, and particularly relates to a Beidou GPS satellite indoor coverage system.

Background

Indoor coverage is a technical solution for improving a mobile communication environment in a building for an indoor user group, and has wide application in mobile communication operators. When arranging the indoor cover system, a worker installs a satellite transceiving antenna and an indoor cover wire outside and inside a building, respectively, and then connects the transceiving antenna and the indoor cover wire together by a feeder. When the existing receiving and transmitting antenna is installed and fixed, the antenna needs to be installed after the azimuth angle of the antenna is measured during punching construction, and the working intensity of workers is increased. If the azimuth angle of the receiving and transmitting antenna is not appropriate, the weakness of the receiving and transmitting signal is affected, so that the communication effect is affected.

Disclosure of Invention

The invention provides a Beidou GPS satellite indoor coverage system, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a Beidou GPS satellite indoor coverage system comprises a bidirectional amplifier, a power divider, an indoor coverage ceiling antenna and an outdoor satellite receiving and transmitting antenna, wherein the outdoor satellite receiving and transmitting antenna is connected with the bidirectional amplifier through a cable, the bidirectional amplifier is connected with the power divider through a cable, and the power divider is connected with the indoor coverage ceiling antenna through a cable;

the outdoor satellite receiving and transmitting antenna comprises an antenna body, the lower end of the antenna body is provided with a connecting rod, two groups of connecting rods are arranged, a rotating shaft is fixed between the two groups of connecting rods, a worm wheel is arranged in the middle of the rotating shaft, a fixed disc is arranged between the connecting rod and the worm wheel, the rotating shaft penetrates through the fixed disc, and is rotationally connected with the fixed disc, the two sides of the fixed disc are both provided with a support frame, the lower end of the support frame is both provided with a support rod, the lower ends of the supporting rods are provided with ring seats, one end of a rotating rod is fixed in one ring seat, the other end of the rotating rod is connected with the output end of a second motor, the inner part of the other ring seat is rotatably connected with an end shaft of a worm, the end shaft of the worm is connected with the output end of the first motor, and the worm is located at the lower end of the worm wheel and is connected with the worm wheel in a meshed mode.

Preferably, the lower extreme of first motor is provided with the carousel, the lower extreme of carousel is provided with third motor output, the outside of third motor is provided with the standing groove, the outside of standing groove is provided with the fixing base, the fixing base is located the below of carousel.

Preferably, a bearing seat is arranged outside the worm, and the bearing seat is fixed at the upper end of the rotary table.

Preferably, the upper end of the fixing seat is provided with a circular sliding rail, the upper end of the circular sliding rail is provided with a sliding block, and the sliding block is fixed on the lower end face of the rotary table.

Preferably, the lower extreme of fixing base is provided with the universal wheel, the inboard of universal wheel is provided with the brake block.

Preferably, a coupler is arranged between the rotating rod and the second motor, and between the end shaft of the worm and the first motor.

Preferably, the bidirectional amplifier is set to ARTT adjustable gain bidirectional amplification.

Preferably, the power divider is set to be a broadband two-path power divider.

Preferably, the power divider is set to be a broadband four-way power divider.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention selects the proper number of the covering ceiling antennas according to the indoor size to be installed so as to meet the requirement, and has wide application range; after the satellite signal is received by the outdoor satellite transceiving antenna 4, the communication signal is amplified and retransmitted through the bidirectional amplifier, and the indoor signal of the weak coverage or signal blind area is solved; the covering ceiling antenna uniformly covers the signals amplified by the bidirectional amplifier 1 to the area needing to make a call, receives the reverse return signals of the satellite phone, transmits the signals to the outdoor satellite receiving and transmitting antenna after being amplified by the bidirectional amplifier, and transmits the signals to the satellite, thereby realizing a complete communication network link channel, ensuring that the signals are excellent and the effect is good.

2. When the direction and the angle of the antenna body are adjusted to improve the best receiving and sending quality, the first motor drives the antenna body to carry out left-right angle adjustment, the second motor carries out front-back angle adjustment, the antenna body can be matched with the third motor to run together, the third motor rotates to drive the turntable to rotate, the direction adjustment is carried out, the angle and direction adjustment can be rapidly completed by matching the first motor and the second motor, slow measurement is not needed, the best receiving and sending quality of signals is achieved, the adjustment is simple and rapid, the use is convenient, and the antenna is suitable for popularization; and need not to install and punch, reduce intensity of labour, the installation site of being convenient for change need not to demolish, improves its suitability, is fit for different environment places, places at any time, convenient to use.

Drawings

FIG. 1 is a schematic structural diagram of a Beidou GPS satellite indoor coverage system.

Fig. 2 is a schematic structural diagram of an outdoor satellite transceiving antenna according to the present invention.

In the figure: 1. a bi-directional amplifier; 2. a power divider; 3. indoor coverage ceiling antenna; 4. an outdoor satellite transmit-receive antenna; 401. a first motor; 402. a rotating shaft; 403. a support frame; 404. a worm gear; 405. an antenna body; 406. a connecting rod; 407. fixing the disc; 408. a support bar; 409. a ring seat; 410. a second motor; 411. a turntable; 412. a slider; 413. a circular slide rail; 414. rotating the rod; 415. a fixed seat; 416. a placement groove; 417. a third motor; 418. a worm; 419. and a bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides the following technical solutions:

example 1

A Beidou GPS satellite indoor coverage system comprises a bidirectional amplifier 1, a power divider 2, an indoor coverage ceiling antenna 3 and an outdoor satellite receiving and transmitting antenna 4, wherein the outdoor satellite receiving and transmitting antenna 4 is connected with the bidirectional amplifier 1 through a cable, the bidirectional amplifier 1 is connected with the power divider 2 through a cable, and the power divider 2 is connected with the indoor coverage ceiling antenna 3 through a cable; the power divider 2 adopts a broadband two-way power divider, and the model of the power divider is ARPD460-2S or ARPD 460-4S; the bidirectional amplifier 1 is set as an ARTT adjustable gain bidirectional amplifier, and the model is selected as ARTTDPA; the model 3 of the indoor covering ceiling antenna is ARTT-145;

specifically, for example, in a 40-square meter closed space, the indoor coverage ceiling antenna 3 covers 5 meters in radius, two antennas are used for covering, the coverage area is a rectangular space area of 5 meters by 8 meters, the antennas cover 5 meters in radius and are respectively arranged at two ends of the rectangular area, satellite signals introduced from the outdoor are evenly divided into two antennas by adopting two power dividers, and indoor seamless coverage can be realized; in a 100 square meter independent laboratory, a ceiling antenna 3 is covered indoors to cover a rectangular space area with the radius of 5 meters, four antennas are used for covering a rectangular space area with the coverage area of 10 meters by 10 meters, the antennas cover the radius of 5 meters and are uniformly arranged on the periphery of the rectangular space area, satellite signals introduced from the outdoor are evenly divided into the four antennas by a four-way power divider, and the seamless coverage of the indoor area can be realized; according to the indoor to be installed, the number of the covering ceiling antennas 3 is properly selected to meet the requirement, and the application range is wide; after the satellite signal is received by the outdoor satellite receiving and transmitting antenna 4 (the received signal is greater than-100 dBm field intensity), the communication signal is amplified and retransmitted through the bidirectional amplifier 1, and the indoor signal of weak coverage or signal blind area is solved; the covering ceiling antenna 3 uniformly covers the signals amplified by the bidirectional amplifier 1 to the area needing to make a call, receives the reverse return signals of the satellite phone, transmits the signals to the outdoor satellite receiving and transmitting antenna 4 after being amplified by the bidirectional amplifier 1, and transmits the signals to the satellite, thereby realizing a complete communication network link channel, ensuring that the signals are excellent and the effect is good.

Example 2

As an optional situation, the Beidou GPS satellite indoor coverage system comprises an outdoor satellite transceiving antenna 4, an antenna body 405, connecting rods 406 arranged at the lower end of the antenna body 405, two groups of the connecting rods 406, a rotating shaft 402 fixed between the two groups of the connecting rods 406, a worm wheel 404 arranged at the middle position of the rotating shaft 402, a fixed disc 407 arranged between the connecting rod 406 and the worm wheel 404, the rotating shaft 402 penetrating through the fixed disc 407 and rotatably connected with the fixed disc 407, supporting frames 403 arranged at both sides of the fixed disc 407, supporting rods 408 arranged at the lower ends of the supporting frames 403, ring seats 409 arranged at the lower ends of the supporting rods 408, one end of a rotating rod 414 fixed inside one ring seat 409, the other end of the rotating rod 414 connected with an output end of a second motor 410, an end shaft of a worm 418 rotatably connected inside the other ring seat 409, and an end shaft of the worm 418 connected with an output end of a first motor 401, the worm 418 is positioned at the lower end of the worm wheel 404 and is meshed with the worm wheel 404; couplings are arranged between the rotating rod 414 and the second motor 410 and between end shafts of the worm 418 and the first motor 401, so that assembly and installation are convenient, and the first motor 401 and the second motor 410 are both positive and negative rotating motors.

In this embodiment, in order to facilitate adjustment of each orientation, a turntable 411 is disposed at a lower end of the first motor 401, an output end of a third motor 417 is disposed at a lower end of the turntable 411, a placement slot 416 is disposed outside the third motor 417, a fixing seat 415 is disposed outside the placement slot 416, and the fixing seat 415 is located below the turntable 411; in order to move the fixed seat 415 conveniently, the lower end of the fixed seat 415 is provided with a universal wheel, and the inner side of the universal wheel is provided with a brake pad which is convenient to place; in order to stabilize the rotation of the worm 418, a bearing seat 419 is arranged outside the worm 418, and the bearing seat 419 is fixed at the upper end of the rotating disc 411; in order to make the turntable 411 rotate more stably and smoothly, a circular slide rail 413 is disposed at an upper end of the fixing seat 415, a slider 412 is disposed at an upper end of the circular slide rail 413, and the slider 412 is fixed to a lower end surface of the turntable 411.

Specifically, after the outdoor satellite transceiving antenna 4 is moved to a destination, when the position and the angle of the antenna body 405 are adjusted to improve the transceiving optimum quality, the first motor 401 drives the worm 418 to rotate, so as to drive the worm wheel 404 to rotate, so as to drive the rotating shaft 402 to rotate, so as to drive the connecting rod 406 and the antenna body 405 to rotate, so as to adjust the left and right angles of the antenna body 405, and the second motor 410 drives the rotating rod 414 to rotate, so as to drive the ring seat 409 to rotate, so as to drive the supporting rod 408, the supporting frame 403 and the disc 407 to rotate; thereby drive connecting rod 406 and antenna body 405 and carry out the front and back rotation, thereby it rotates to drive first rotation pole 411 and worm 49, worm 49 rotates and drives worm wheel 48 and rotate, make antenna body 405 carry out angle modulation around going on, first motor 401 and second motor 410 are just reversing motor, and can not move simultaneously, but can cooperate third motor 417 to move together, third motor 417 rotates and drives carousel 411 and rotate, carry out the position and adjust, cooperation first motor 401 and second motor 410 can accomplish angle position fast and adjust, make the best quality of receiving and dispatching signal, and adjust simply swiftly, and convenient to use, suitable popularization.

The scheme in this embodiment can be selectively combined with the scheme in other embodiments.

The working principle and the using process of the invention are as follows: after the outdoor satellite transceiving antenna 4 is moved to a destination, when the direction and the angle of the antenna body 405 of the outdoor satellite transceiving antenna are adjusted to improve the transceiving best quality, the first motor 401 drives the worm 418 to rotate, so as to drive the worm wheel 404 to rotate, so as to drive the rotating shaft 402 to rotate, so as to drive the connecting rod 406 and the antenna body 405 to rotate, so that the antenna body 405 performs left-right angle adjustment, and the second motor 410 drives the rotating rod 414 to rotate, so as to drive the ring seat 409 to rotate, so as to drive the supporting rod 408, the supporting frame 403 and the disc 407 to rotate; thereby drive connecting rod 406 and antenna body 405 to rotate back and forth, thereby drive first rotating rod 411 and worm 49 to rotate, worm 49 rotates and drives worm wheel 48 to rotate, make antenna body 405 carry on the angle adjustment back and forth, first motor 401 and second motor 410 are positive and negative rotating motors, and can not run at the same time, but can cooperate with third motor 417 to run together, third motor 417 rotates and drives rotary table 411 to rotate, carry on the position adjustment, cooperate with first motor 401 and second motor 410 can finish the angle position adjustment fast, make the best quality of receiving and dispatching signals, and adjust simple and swiftly, easy to use, suitable for popularizing;

after the bidirectional amplifier 1, the power divider 2 and the indoor coverage ceiling antenna 3 are installed, after the installation is finished, the outdoor satellite receiving and transmitting antenna 4 receives signals of a satellite, communication signals are amplified and retransmitted through the bidirectional amplifier 1, and indoor signals of weak coverage or signal blind areas are solved; the covering ceiling antenna 3 uniformly covers the signals amplified by the bidirectional amplifier 1 to the area needing to make a call, receives the reverse return signals of the satellite phone, transmits the signals to the outdoor satellite receiving and transmitting antenna 4 after being amplified by the bidirectional amplifier 1, and transmits the signals to the satellite, thereby realizing a complete communication network link channel, ensuring that the signals are excellent and the effect is good.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an indoor coverage system of big dipper GPS satellite, includes two-way amplifier (1), merit and divides ware (2), indoor cover ceiling antenna (3) and outdoor satellite receiving and dispatching antenna (4), its characterized in that: the outdoor satellite receiving and transmitting antenna (4) is connected with the bidirectional amplifier (1) through a cable, the bidirectional amplifier (1) is connected with the power divider (2) through a cable, and the power divider (2) is connected with the indoor covering ceiling antenna (3) through a cable;

the outdoor satellite transceiving antenna (4) comprises an antenna body (405), connecting rods (406) are arranged at the lower end of the antenna body (405), two groups of connecting rods (406) are arranged, a rotating shaft (402) is fixed between the two groups of connecting rods (406), a worm wheel (404) is arranged at the middle position of the rotating shaft (402), a fixed disc (407) is arranged between the connecting rods (406) and the worm wheel (404), the rotating shaft (402) penetrates through the fixed disc (407) and is rotatably connected with the fixed disc (407), supporting frames (403) are arranged on two sides of the fixed disc (407), supporting rods (408) are arranged at the lower ends of the supporting frames (403), ring seats (409) are arranged at the lower ends of the supporting rods (408), one end of a rotating rod (414) is fixed inside the ring seat (409), and the other end of the rotating rod (414) is connected with an output end of a second motor (410), the inner part of the other ring seat (409) is rotatably connected with an end shaft of a worm (418), the end shaft of the worm (418) is connected with the output end of a first motor (401), and the worm (418) is positioned at the lower end of a worm wheel (404) and is meshed with the worm wheel (404).

2. The Beidou GPS satellite indoor coverage system of claim 1, characterized in that: the lower extreme of first motor (401) is provided with carousel (411), the lower extreme of carousel (411) is provided with third motor (417) output, the outside of third motor (417) is provided with standing groove (416), the outside of standing groove (416) is provided with fixing base (415), fixing base (415) are located the below of carousel (411).

3. The Beidou GPS satellite indoor coverage system of claim 2, characterized in that: a bearing seat (419) is arranged outside the worm (418), and the bearing seat (419) is fixed at the upper end of the rotating disc (411).

4. The Beidou GPS satellite indoor coverage system of claim 2, characterized in that: the upper end of the fixed seat (415) is provided with a circular sliding rail (413), the upper end of the circular sliding rail (413) is provided with a sliding block (412), and the sliding block (412) is fixed on the lower end face of the rotating disc (411).

5. The Beidou GPS satellite indoor coverage system of claim 2, characterized in that: the lower extreme of fixing base (415) is provided with the universal wheel, the inboard of universal wheel is provided with the brake block.

6. The Beidou GPS satellite indoor coverage system of claim 1, characterized in that: and a shaft coupling is arranged between the end shaft of the rotating rod (414) and the second motor (410) and between the end shaft of the worm (418) and the first motor (401).

7. The Beidou GPS satellite indoor coverage system of claim 1, characterized in that: the bidirectional amplifier (1) is set to ARTT adjustable gain bidirectional amplification.

8. The Beidou GPS satellite indoor coverage system of claim 1, characterized in that: the power divider (2) is set to be a broadband two-path power divider.

9. The Beidou GPS satellite indoor coverage system of claim 1, characterized in that: the power divider (2) is set to be a broadband four-path power divider.