CN210274083U - Elevator multimedia system based on 4G/5G repeater technology - Google Patents
Elevator multimedia system based on 4G/5G repeater technology Download PDFInfo
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- CN210274083U CN210274083U CN201921851591.8U CN201921851591U CN210274083U CN 210274083 U CN210274083 U CN 210274083U CN 201921851591 U CN201921851591 U CN 201921851591U CN 210274083 U CN210274083 U CN 210274083U
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Abstract
The utility model discloses an elevator multimedia system based on 4G 5G repeater technique, the utility model discloses utilize the repeater technique to introduce the elevartor shaft after building outer 4G 5G basic station signal enlargies, carry out good 4G 5G signal to whole elevartor shaft and cover to draw forth elevator car with the antenna at elevator multimedia terminal, avoided the electromagnetic shield effect of elevator car to 4G 5G signal, thereby make elevator multimedia terminal obtain better 4G 5G signal, and then make elevator multimedia terminal can be better be connected to on the 4G 5G network. The utility model discloses can not have 4G 5G radio signal in elevator car, perhaps when 4G 5G signal is very weak, also can be connected to the network to can acquire information such as notice, advertisement from network server in real time, and then promote elevator multimedia terminal's result of use, improve elevator multimedia terminal's utilization ratio, reduce elevator multimedia terminal's operation cost.
Description
Technical Field
The utility model relates to a wireless communication technical field, concretely relates to elevator multimedia system based on 4G 5G repeater technique.
Background
With the continuous promotion of the process of Chinese urbanization, the proportion of high-rise buildings in cities is continuously increased, the holding capacity of elevators is also rapidly improved, and meanwhile, with the continuous development of technologies such as wireless communication, intelligent terminals, information and the like, the issuing mode of information such as notification, advertisement and the like in the elevators also presents a new mode, wherein the most remarkable information issuing mode is an information issuing mode taking elevator multimedia terminals as new carriers. The elevator multimedia terminal is a new generation intelligent device which utilizes display terminals such as a display and a television to realize information display or video advertisement playing in the modes of multimedia control, wireless communication and the like.
Due to the fact that the high-rise building is large in scale and good in quality, a strong shielding effect is achieved on moving signals, and due to the metal property of the elevator car, the metal property has a natural shielding effect on electromagnetic signals, so that 4G/5G base station signals outside the building can hardly reach the elevator car, 4G/5G signals are not available in the elevator car, or the 4G/5G signals are weak, and the method is shown in figure 1.
The existing elevator multimedia terminal adopts a built-in antenna mode, the gain of the built-in antenna is small, so that the elevator multimedia terminal cannot be connected with a wireless network, or the connection with the wireless network is poor, and the elevator multimedia terminal cannot acquire information such as advertisements and notifications from a network server, or cannot acquire information such as advertisements and notifications from the network server in time. When the elevator multimedia terminal cannot be connected to a network or is not connected well, the information such as advertisements and notifications can only be copied to the elevator multimedia terminal by using the storage medium in a manual mode, and the manual copying mode is adopted, so that time and labor are wasted, and timely release of the information such as advertisements and notifications cannot be guaranteed, thereby reducing the utilization rate of the elevator multimedia terminal and improving the operation cost.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned not enough, provide an elevator multimedia system based on 4G 5G repeater technique, make elevator multimedia terminal obtain better 4G 5G signal, and then make being connected to on the 4G 5G network that elevator multimedia terminal can be better.
In order to achieve the purpose, the utility model comprises an elevator multimedia terminal arranged in an elevator car and a repeater arranged outdoors, wherein the elevator multimedia terminal is connected with a terminal antenna, the terminal antenna is arranged outside the elevator car, the repeater is connected with a retransmission antenna, the retransmission antenna is arranged in the elevator shaft, the terminal antenna is in signal communication with the retransmission antenna through 4G/5G, the repeater is connected with a donor antenna, and the donor antenna is used for communicating with a 4G/5G base station;
the repeater is used for amplifying the signal sent by the 4G/5G base station or the elevator multimedia terminal and then forwarding the signal to the elevator multimedia terminal or the 4G/5G base station.
The repeater comprises an uplink and a downlink, wherein the uplink is used for receiving wireless signals of the elevator multimedia terminal and sending the wireless signals to the 4G/5G base station after filtering and amplification, and the downlink is used for receiving wireless signals sent by the 4G/5G base station and sending the wireless signals to the elevator multimedia terminal after filtering and amplification.
The elevator multimedia terminal is provided with a connector, the terminal antenna is arranged at the top of the elevator car and is connected with the connector on the elevator multimedia terminal through a radio frequency line.
The terminal antenna adopts a directional antenna of a large gain antenna or a small gain antenna.
The donor antenna employs an antenna having high gain and a narrow horizontal lobe angle.
The retransmission antenna adopts a yagi antenna, a helical antenna or a plate-shaped directional antenna.
Compared with the prior art, the utility model discloses utilize the repeater technique to introduce the elevartor shaft after building outer 4G 5G basic station signal enlargies, carry out good 4G 5G signal to whole elevartor shaft and cover to draw elevator car with elevator multimedia terminal's antenna, avoided the electromagnetic shield effect of elevator car to 4G 5G signal, thereby make elevator multimedia terminal obtain better 4G 5G signal, and then make elevator multimedia terminal can be better be connected to on the 4G 5G network. The utility model discloses can not have 4G 5G radio signal in elevator car, perhaps when 4G 5G signal is very weak, also can be connected to the network to can acquire information such as notice, advertisement from network server in real time, and then promote elevator multimedia terminal's result of use, improve elevator multimedia terminal's utilization ratio, reduce elevator multimedia terminal's operation cost.
Drawings
Fig. 1 is a schematic diagram of signal coverage of a conventional elevator multimedia terminal;
FIG. 2 is a schematic structural diagram of a repeater used in the present invention;
FIG. 3 is a schematic diagram of the location of a repeater in a network as used by the present invention;
fig. 4 is a schematic diagram of a structure diagram of an elevator multimedia terminal used by the utility model;
fig. 5 is an installation schematic diagram of the elevator multimedia system of the present invention;
wherein, 1, elevator car; 2. an elevator multimedia terminal; 3. a terminal antenna; 4. a retransmission antenna; 5. an elevator shaft; 6. a donor antenna; 7. a radio frequency line; 8. a connector; 9. 4G/5G base stations; 10. a repeater.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 5, the utility model discloses a set up elevator multimedia terminal 2 in elevator car 1 and set up at outdoor repeater 3, 2 connection terminal antennas 3 of elevator multimedia terminal, terminal antennas 3 arrange elevator car 1 outsidely in, repeater 3 connects retransmission antenna 4, retransmission antenna 4 arranges in elevartor shaft 5, terminal antennas 3 and retransmission antenna 4 pass through 4G 5G signal communication, repeater 3 connects donor antenna 6, donor antenna 6 is used for communicating with 4G 5G basic station 9.
Referring to fig. 2, the repeater 10 is used for amplifying 4G/5G signals, and the repeater 10 includes two transceiving links, one is an uplink and the other is a downlink, where the uplink is used for receiving wireless signals transmitted by the elevator multimedia terminal 2, and sends the wireless signals to the 4G/5G base station 9 after filtering and amplification, and the downlink is used for receiving wireless signals transmitted by the 4G/5G base station 9, and sends the wireless signals to the elevator multimedia terminal 2 after filtering and amplification; the donor antenna 6 of the repeater 10 is used for communicating with the 4G/5G base station 9, receiving the wireless signal of the 4G/5G base station 9, forwarding the wireless signal to the repeater 10, and transmitting the wireless signal of the repeater 10 to the 4G/5G base station 9; the repeater station 10 has a retransmission antenna 4 for communicating with the elevator multimedia terminal 2, receiving the wireless signal of the elevator multimedia terminal 2, forwarding the wireless signal to the repeater station 10, and transmitting the wireless signal of the repeater station 10 to the elevator multimedia terminal 2, wherein the position of the repeater station 10 in the network is shown in fig. 3.
Referring to fig. 4, the terminal antenna 3 of the elevator multimedia terminal 2 is used for receiving 4G/5G signals amplified by the repeater 10 and transmitted by the repeater antenna 4 of the repeater 10, the elevator multimedia terminal 2 is provided with a connector 8, and the terminal antenna 3 is mounted on the top of the elevator car 1 and connected with the elevator multimedia terminal 2 through a radio frequency wire 7. The antenna can select a large gain antenna or a small gain antenna according to actual needs, or select an antenna with small size and light weight according to property requirements, and the elevator multimedia terminal antenna can preferably select a directional antenna.
The utility model discloses utilize repeater 10 to wireless signal's enlarged function, the wireless signal that will be in the outer 4G 5G basic station 9 of building introduces the elevartor shaft after the repeater enlargies, makes the elevartor shaft have good 4G 5G signal and covers to arrange elevator car 1's top in through radio frequency line 7 with elevator multimedia terminal 2's terminal antenna 3 outward, thereby enable elevator multimedia terminal 2 to have good signal reception and transmission effect.
The donor antenna 6 of the repeater 10 is in point-to-point communication with the 4G/5G base station 9, so antennas with high gain and narrow horizontal lobe angles, such as patch antennas, log periodic antennas or angularly reflective antennas, should be chosen to reduce the introduction of base station noise.
The retransmission antenna 4 of the repeater 10 adopts a yagi antenna, a helical antenna or a plate-shaped directional antenna, and the gain of the antenna is adjusted according to the height of the elevator shaft.
The terminal antenna 3 of the elevator multimedia terminal 2 adopts a yagi antenna, a spiral antenna or a plate-shaped directional antenna, and the gain of the antenna is adjusted according to the height of the elevator shaft.
And (3) a signal downlink processing flow: when a donor antenna of the repeater receives a downlink signal transmitted by a 4G/5G base station, the received signal is sent out from a retransmission antenna after filtering gain adjustment is carried out on the received signal; when the elevator multimedia terminal antenna receives the 4G/5G signal amplified by the repeater, the received signal is transmitted to the communication module of the elevator multimedia terminal through the radio frequency line. Signal downlink transmission path: 4G/5G base station → donor antenna → repeater → retransmission antenna → terminal.
And (3) an uplink processing flow of the signal: when the communication module of the elevator multimedia terminal sends data, the data are sent out through the elevator multimedia terminal antenna. When the retransmission antenna of the repeater receives the 4G/5G signal sent by the elevator multimedia terminal antenna, the received signal is sent to the 4G/5G base station from the donor antenna after being subjected to filtering gain adjustment. Signal uplink transmission path: terminal → terminal antenna → retransmission antenna → repeater → donor antenna → 4G/5G base station.
Referring to fig. 5, the donor antenna of the repeater is to be installed outdoors, and the installation place should satisfy: 1) received signal levels required by repeater devices, such as LTE RSRP: more than or equal to-90 dBm; 2) no stronger common-frequency carrier of the donor base station exists near the installation site; 3) the repeater donor antenna and the retransmission antenna have enough isolation. The repeater is arranged in the elevator room; repeater retransmission antenna installs in the elevator well top, and the mounted position should satisfy: 1) the elevator shaft can be well covered with signals; 2) and has enough isolation from the donor antenna of the repeater. Elevator multimedia terminal installs in elevator car, and the antenna passes through the radio frequency line extension to be installed in the car top, and the installation of antenna should satisfy: 1) the antenna is well fixed on the top of the elevator car so as to prevent the antenna from falling off in the elevator running process; so as to avoid displacement and unable to receive wireless signal well; 2) the repeater can receive the signal transmitted by the repeater retransmission antenna well, and can transmit the signal well so as to facilitate the repeater retransmission antenna to receive.
The utility model discloses a repeater will be in the elevator shaft to the amplification of signal 4G 5G basic station signal outside the building in, obtain good 4G 5G signal cover in making the elevator shaft, still through the external mode of elevator multimedia terminal antenna to pass through the radio frequency line with the antenna and extend to the car roof, broken through the shielding effect of elevator car to radio signal, thereby make elevator multimedia terminal have good signal reception and emission effect.
Claims (6)
1. The elevator multimedia system based on the 4G/5G repeater technology is characterized by comprising an elevator multimedia terminal (2) arranged in an elevator car (1) and a repeater (10) arranged outdoors, wherein the elevator multimedia terminal (2) is connected with a terminal antenna (3), the terminal antenna (3) is arranged outside the elevator car (1), the repeater (10) is connected with a retransmission antenna (4), the retransmission antenna (4) is arranged in an elevator shaft (5), the terminal antenna (3) is in signal communication with the retransmission antenna (4) through 4G/5G, the repeater (10) is connected with a donor antenna (6), and the donor antenna (6) is used for being communicated with a 4G/5G base station (9);
the repeater (10) is used for amplifying the signal sent by the 4G/5G base station (9) or the elevator multimedia terminal (2) and then forwarding the signal to the elevator multimedia terminal (2) or the 4G/5G base station (9).
2. The elevator multimedia system based on the 4G/5G repeater technology as claimed in claim 1, wherein the repeater (10) comprises an uplink and a downlink, the uplink is used for receiving the wireless signal of the elevator multimedia terminal (2), and sending the wireless signal to the 4G/5G base station (9) after filtering and amplification, and the downlink is used for receiving the wireless signal transmitted by the 4G/5G base station (9), and sending the wireless signal to the elevator multimedia terminal (2) after filtering and amplification.
3. The elevator multimedia system based on the 4G/5G repeater technology as claimed in claim 1, wherein a connector (8) is arranged on the elevator multimedia terminal (2), the terminal antenna (3) is arranged on the top of the elevator car (1), and the terminal antenna (3) is connected with the connector (8) on the elevator multimedia terminal (2) through a radio frequency line (7).
4. Elevator multimedia system based on 4G/5G repeater technology according to claim 1 or 3, characterized in that the terminal antenna (3) is a directional antenna with large gain antenna or small gain antenna.
5. The elevator multimedia system based on 4G/5G repeater technology according to claim 1, characterized in that the donor antenna (6) adopts an antenna with high gain and narrow horizontal lobe angle.
6. The elevator multimedia system based on 4G/5G repeater technology according to claim 1, characterized in that the retransmission antenna (4) adopts yagi antenna, helical antenna or plate directional antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921851591.8U CN210274083U (en) | 2019-10-30 | 2019-10-30 | Elevator multimedia system based on 4G/5G repeater technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921851591.8U CN210274083U (en) | 2019-10-30 | 2019-10-30 | Elevator multimedia system based on 4G/5G repeater technology |
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| CN210274083U true CN210274083U (en) | 2020-04-07 |
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| CN201921851591.8U Active CN210274083U (en) | 2019-10-30 | 2019-10-30 | Elevator multimedia system based on 4G/5G repeater technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113965936A (en) * | 2021-10-26 | 2022-01-21 | 广西壮族自治区通信产业服务有限公司工程分公司 | Elevator wireless communication microdistribution system |
-
2019
- 2019-10-30 CN CN201921851591.8U patent/CN210274083U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113965936A (en) * | 2021-10-26 | 2022-01-21 | 广西壮族自治区通信产业服务有限公司工程分公司 | Elevator wireless communication microdistribution system |
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Denomination of utility model: An elevator multimedia system based on 4G / 5G repeater Technology Effective date of registration: 20210927 Granted publication date: 20200407 Pledgee: Pudong Development Bank of Shanghai Limited by Share Ltd. Xi'an branch Pledgor: SHAANXI TIANJI COMMUNICATION TECHNOLOGY Co.,Ltd. Registration number: Y2021610000242 |