CN217690097U

CN217690097U - System capable of monitoring passive antenna feeder of trunking communication

Info

Publication number: CN217690097U
Application number: CN202220160952.XU
Authority: CN
Inventors: 何宝东; 葛凡
Original assignee: Guangzhou Tianyi Technology Co ltd
Current assignee: Guangzhou Tianyi Technology Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-10-28
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a system capable of monitoring cluster communication passive antenna feeder, which comprises a monitoring unit and a plurality of antennas, wherein the output port of the monitoring unit is connected with the input port of a passive antenna feeder module, and the antenna of the passive antenna feeder module is provided with a radio frequency tag; the radio frequency tag comprises an RFID processing unit, a wireless communication module and a filter, wherein the monitoring unit comprises a main control unit, an RFID information processing unit and a combiner; the main control unit is used for controlling the RFID information processing unit to send a radio frequency signal II with fixed frequency, and the combiner combines the radio frequency signal I and the radio frequency signal II and then transmits the combined radio frequency signal I and the radio frequency signal II to any antenna; the wireless communication module receives a second radio frequency signal and generates current to activate the RFID processing unit, and the RFID processing unit feeds back the local RFID probe label identification code to the main control module of the monitoring unit after activation. The utility model discloses a radio frequency label can realize reporting the state of passive antenna feeder system link automatically to the real-time detection of the whole links of passive antenna feeder system.

Description

System capable of monitoring passive antenna feeder of trunking communication

Technical Field

The utility model relates to a source antenna feeder system field, concretely relates to system that passive antenna feeder of cluster communication can be monitored.

Background

The trunking communication service refers to a trunking communication common network formed by trunking communication systems with the technical characteristics of channel sharing, dynamic allocation and the like, and provides communication services such as special command scheduling and the like for group users of multiple departments, units and the like.

With the rapid development of industry cluster communication, the initial narrow-band cluster is developed to the broadband cluster, meanwhile, the requirements of industry customers on the network service quality are higher and higher, and more attention is paid to passive antenna feeders serving as cluster indoor coverage. A typical passive antenna feeder is composed of a feeder, a power divider, a coupler and an antenna, and transmits a clustered signal from a base station to each indoor area of a building, so as to achieve a perfect coverage effect. The passive antenna feeder is generally installed in a high and secret place, and if a certain branch in the system has a problem, the passive antenna feeder is difficult to locate and search, so that great difficulty is brought to construction, operation and maintenance. Therefore, the industry client hopes that the passive antenna feed system can be managed, controlled and visible.

Therefore, there is a need to improve the prior art to provide a passive antenna feeder system that can monitor trunked communications to be manageable, controllable and visible.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, a controllable, controllable and visible passive antenna feed system capable of monitoring trunking communication is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme: the RFID radio frequency identification device comprises a monitoring unit and a plurality of antennas, wherein a radio frequency label is externally attached to or internally arranged on each antenna, and comprises an RFID processing unit, a wireless communication module and a filter, wherein an input port of the monitoring unit is connected with an output port of a base station or a repeater and is used for receiving a first radio frequency signal of the base station or the repeater; the output port of the monitoring unit is communicated with the radio frequency tag through electromagnetic induction;

the monitoring unit comprises a main control unit, an RFID information processing unit and a combiner; the master control unit is used for controlling the RFID information processing unit to send out a radio frequency signal II with fixed frequency; the combiner is used for combining the radio-frequency signal I and the radio-frequency signal II to obtain a combined radio-frequency signal III, and then transmitting the combined radio-frequency signal III to any one antenna;

if the antenna operates normally, the radio frequency tag corresponding to the antenna induces a radio frequency signal III in the antenna through electromagnetic induction; the filter filters the radio frequency signal three, filters out a radio frequency signal one and keeps a radio frequency signal two; the wireless communication module receives a second radio frequency signal and generates current, the current is used for activating the RFID processing unit, and after the RFID processing unit is activated, the RFID probe label identification code corresponding to the antenna is fed back to the main control module of the monitoring unit through the wireless communication module in sequence.

Preferably, the monitoring unit further comprises a power module for providing electric energy for the main control unit.

Preferably, the chip model of the main control unit is an STM32 series chip.

Preferably, the chip model of the RFID information processing unit is impinjR500 or impinjR2000.

Preferably, the fixed frequency of the second radio frequency signal is 920MHz, and the fixed power is 33dBm.

Preferably, the model of the chip adopted by the combiner is CM-3501805910-2NS01.

Preferably, the RFID processing unit employs a probe-GRPAH 4T3.

The utility model discloses profitable technological effect:

the utility model discloses set up radio frequency label on passive antenna feeder module's antenna, consequently need not to present the module through cable connection antenna and passive antenna, radio frequency label only needs attached can realize the real-time detection to whole system's whole links through electromagnetic induction on the antenna, initiatively in time discovers and reports passive antenna feeder link's state to improve the holistic operation of trunking communication system, maintain and patrol and examine efficiency.

Drawings

Fig. 1 is the overall schematic block diagram of the system for monitoring the cluster communication passive antenna feeder of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.

An object of the utility model is to provide a system that can monitor cluster communication passive antenna and present, this system fuses the passive antenna among intelligent hardware techniques such as electronic induction, radio frequency identification, mobile internet technique and the wireless cluster communication system mutually. The system achieves real-time monitoring of the network running state of the passive antenna feed system by the monitoring unit and the miniature radio frequency tag attached to the outside of the antenna of the cluster communication passive antenna feed communication, and the system is made into a novel passive antenna feed system, so that the problem that industry customers can manage, control and view the cluster passive antenna feed is solved.

The utility model discloses a following technical scheme's general concept is: the output port of a base station or a repeater is connected with the RF IN port of a monitoring unit, the RF OUT port of the monitoring unit is communicated with an antenna through electromagnetic induction, the antenna is an antenna which is installed IN a community, a cell or an underground garage and used for ensuring network signals, because the antenna and a monitoring module can not be directly communicated, the state of the antenna can not be monitored IN real time by attaching or arranging radio frequency tags outside all the antennas, the monitoring unit is used for generating detection signals to be communicated with the radio frequency tags, the radio frequency tags feed back local probe identification code information to the monitoring unit after receiving the signals of the monitoring unit, the monitoring unit acquires the state condition of the antenna after collecting the state information fed back by the probes, and the state condition of all the antennas is acquired, so that the state condition of a link of the whole system is acquired and displayed.

Specifically, as shown in fig. 1, the wireless communication system comprises a monitoring unit and a plurality of antennas, wherein a radio frequency tag is attached to or embedded in each antenna, and each radio frequency tag comprises an RFID processing unit, a wireless communication module and a filter, wherein an input port of the monitoring unit is connected with an output port of a base station or a repeater and is used for receiving a first radio frequency signal (communication core signal) of the base station or the repeater; the output port of the monitoring unit is in electromagnetic induction communication with the radio frequency tag;

the monitoring unit comprises a main control unit, an RFID information processing unit and a combiner, wherein the RFID information processing unit adopts a chip model of impinjR500 or impinjR2000; the main control unit is used for controlling the RFID information processing unit to send out a second radio frequency signal (monitoring signal for monitoring whether each antenna operates normally) with fixed frequency, the fixed frequency of the second radio frequency signal is 920MHz, and the fixed power is 33dBm. Specifically, the chip model of the main control unit is an STM32 series chip; the monitoring unit further comprises a power module for providing electric energy for the main control unit.

The combiner is used for combining the radio frequency signal I and the radio frequency signal II to obtain a combined radio frequency signal III and then transmitting the combined radio frequency signal III to a radio frequency tag, and the model of a chip adopted by the combiner is CM-3501805910-2NS01;

if the antenna corresponding to the radio frequency tag normally operates, the radio frequency tag passes through a radio frequency signal III of the electromagnetic induction passive antenna feeder module; the filter filters the radio frequency signal three, filters out the radio frequency signal one, and reserves the radio frequency signal two (monitoring signal); the wireless communication module receives a second radio frequency signal and generates current, the current is used for activating the RFID processing unit, after the RFID processing unit is activated, a local RFID probe label identification code (identification code corresponding to an antenna) is fed back to the main control module of the monitoring unit through the wireless communication module in sequence, and the RFID processing unit adopts a probe-GRPAH 4T3. And the multi-master control module receives the RFID probe label identification code, and then judges that the antenna corresponding to the RFID probe label identification code operates normally, and can control, visualize and manage all the antennas.

The working process of the utility model is as follows: under the condition that the whole link is not monitored, the radio frequency tag is in a dormant state, signals of a base station or a repeater station information source are accessed to the passive antenna feeder module through a combiner of the monitoring unit, and normal communication of the whole link system is achieved, wherein the link system refers to a trunking communication passive antenna feeder system. The utility model discloses the radio frequency signal of the inside basic station or repeater provides the information source for former passive antenna feeder module, carries out the cover of trunking communication. To the utility model discloses a link state monitoring is inoperative.

The main invention points of the utility model are that: when the link state needs to be monitored, the RFID information processing unit of the monitoring unit sends out specific frequency 920MHz, power: the monitoring signal is combined with a normal signal of a base station or a repeater signal source through a combiner, the monitoring signal is input and sent to an antenna, if the antenna operates normally, a radio frequency tag on the antenna passes through a combined signal of an electromagnetic induction passive antenna feeder terminal antenna, the signal source signal is filtered through a filter, only the monitoring signal is reserved, a wireless communication module of the radio frequency tag receives the filtered monitoring signal, current is generated through magnetic field induction to activate an RFID processing unit, the activated RFID processing unit finds out a local probe tag identification code and feeds the local RFID probe tag identification code back to a main control unit of the monitoring unit, the main control unit compares the probe tag identification code with a prestored identification probe tag identification code (the prestored probe tag identification code is recorded into the module in advance when the system is deployed), matching is successful, the antenna link is judged to be normal, and if the matching is unsuccessful, the antenna is judged to have a fault.

The utility model discloses a radio frequency label need not to present the module with antenna and passive antenna through the cable and is connected, and radio frequency label only needs attached or built-in can realize the real-time detection to whole system's whole link through electromagnetic induction on the antenna, initiatively in time discovers and reports the state that passive antenna presented the link (passive antenna presented the link and is the interlinkage of basic station and antenna communication) to improve the holistic operation of trunking communication system, maintain and patrol and examine efficiency.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are used in the specification, the terms are used for convenience only and do not limit the utility model in any way.

Claims

1. A system capable of monitoring a trunking communication passive antenna feeder is characterized by comprising a monitoring unit and a plurality of antennas, wherein radio frequency tags are externally attached to or internally arranged on the antennas and comprise RFID processing units, wireless communication modules and filters, wherein input ports of the monitoring unit are connected with output ports of a base station or a repeater and are used for receiving radio frequency signals I of the base station or the repeater; the output port of the monitoring unit is communicated with the radio frequency tag through electromagnetic induction;

the monitoring unit comprises a main control unit, an RFID information processing unit and a combiner; the main control unit is used for controlling the RFID information processing unit to send a radio frequency signal II with fixed frequency; the combiner is used for combining the radio frequency signal I and the radio frequency signal II to obtain a combined radio frequency signal III, and then transmitting the combined radio frequency signal III to any one antenna;

if the antenna state is normal, the radio frequency tag on the corresponding antenna induces a radio frequency signal III in the antenna through electromagnetic induction; the filter filters the radio frequency signal three, filters out a radio frequency signal one, and reserves a radio frequency signal two; the wireless communication module receives a second radio frequency signal and generates current, the current is used for activating the RFID processing unit, and after the RFID processing unit is activated, the RFID probe label identification code corresponding to the antenna is fed back to the main control module of the monitoring unit through the wireless communication module in sequence.

2. The system of claim 1, wherein the monitoring unit further comprises a power module for providing power to the master control unit.

3. The system of claim 2, wherein the chip model of the main control unit is an STM32 series chip.

4. The system for monitoring the passive antenna feeder of the cluster communication as claimed in claim 1, wherein the chip model adopted by the RFID information processing unit is impinjR500 or impinjR2000.

5. The system for monitoring the passive antenna feeder for the trunking communication of claim 1, wherein the fixed frequency of the second radio frequency signal is 920MHz, and the fixed power is 33dBm.

6. The system capable of monitoring the passive antenna feeder for the trunking communication according to claim 1, wherein the type of the chip adopted by the combiner is CM-3501805910-2NS01.

7. The system of claim 1, wherein the RFID processing unit employs a probe-GRPAH 4T3.