Passive indoor distribution monitoring system

Abstract

The utility model discloses a passive indoor distribution monitoring system which comprises a cloud server and a monitoring unit. The monitoring unit comprises a main control module, and a power distribution control module, an electric energy acquisition module, a radio frequency identification module and a communication module which are electrically connected with the main control module, and the main control module acquires signals acquired by the electric energy acquisition module and the radio frequency identification module and transmits the signals to the cloud server; a cloud server control instruction is received, and the instruction is sent to a power distribution control module for on-off control of an indoor distribution DAS circuit; and the cloud server is used for receiving a signal of the main control module, displaying the signal to a user, and sending a control instruction to the main control module so as to realize monitoring of the monitoring module. The passive indoor distribution monitoring system disclosed by the utility model realizes remote state monitoring and control of the indoor distribution DAS.

Description

Technical Field

[0001] The utility model relates to a passive indoor monitoring system, belonging to the technical field of communication monitoring. Background Art

[0002] With the popularization of 5G communications, indoor coverage has adopted a large number of indoor distributed equipment. The indoor distributed scene coverage adopts AC direct supply and local power supply. There is a lack of power monitoring and management equipment, resulting in the indoor distributed system being in an "unmanaged" state of power consumption. Maintenance personnel cannot grasp the power supply status of the equipment in real time. When a fault occurs, they need to go to the site for confirmation. The timeliness of fault handling is poor and the maintenance cost is high. At the same time, the network traffic volume in the indoor distributed scene often has an obvious tidal effect. The difference between busy and idle times can reach 4 times, and there is a certain period of time when the traffic volume is "0" or "low traffic volume". However, most base station equipment in this scene always maintains a continuous operation state, and energy consumption is not dynamically adjusted with the traffic volume, resulting in considerable waste.

[0003] Furthermore, indoor distributed networks lack monitoring, management, and fault location tools. Indoor distributed systems contain a large number of passive components, lacking performance monitoring and management tools for these hardware passive devices. Fault location methods are lacking, relying on manual, step-by-step, and line-by-line troubleshooting. This results in low efficiency and high costs for indoor distributed network optimization and fault rectification. Current network optimization relies on manual, one-by-one troubleshooting, resulting in blind optimization, low efficiency, low accuracy, and high costs. Problems are discovered through manual inspections or user complaints, leading to reactive maintenance, poor timeliness, and a poor user experience.

[0004] Therefore, it is necessary to conduct in-depth research on existing indoor distribution equipment to solve the above problems. Utility Model Content

[0005] In order to overcome the above problems, an in-depth study was conducted and a passive indoor monitoring system was designed, including a cloud server and a monitoring unit;

[0006] The monitoring unit includes a main control module, and a power distribution control module, a power collection module, a radio frequency identification module and a communication module electrically connected to the main control module;

[0007] The power distribution control module is used to control the circuit disconnection of the indoor DAS;

[0008] The electric energy collection module is used to collect the circuit current of the indoor DAS;

[0009] The radio frequency identification module is used to collect tag information of the antenna;

[0010] The communication module is used for long-range wireless communication;

[0011] The main control module obtains the signals collected by the power collection module and the radio frequency identification module and transmits them to the cloud server; receives the control instructions of the cloud server and sends the instructions to the power distribution control module to control the opening and closing of the indoor DAS circuit;

[0012] The cloud server is used to receive signals from the main control module and display them to the user, and send control instructions to the main control module to monitor the monitoring module.

[0013] In a preferred embodiment, the power distribution control module includes a blade circuit breaker, a relay and a hydraulic circuit breaker, wherein there is one blade circuit breaker and there are multiple relays and hydraulic circuit breakers.

[0014] The blade circuit breaker is connected to the main power supply of the indoor DAS, and its output is a multi-way power supply. A relay and a hydraulic circuit breaker are set on each power supply. The output end of each hydraulic circuit breaker is connected to a DAS link respectively, thereby realizing independent power supply control of all DAS links.

[0015] In a preferred embodiment, the main control module includes an MCU and a device power supply, and the device power supply is used to provide power to the MCU and the power distribution control module, the power collection module, the radio frequency identification module and the communication module.

[0016] In a preferred embodiment, the power collection module includes a voltage transformer, a current transformer, and a collection chip. There are multiple voltage transformers and current transformers, which are respectively arranged on different circuits of the indoor DAS to collect the current and voltage of each circuit.

[0017] The acquisition chip aggregates the voltage and current collected by the voltage transformer and the current transformer.

[0018] The acquisition chip is electrically connected to the voltage transformer and the current transformer, and is communicatively connected to the MCU.

[0019] In a preferred embodiment, the radio frequency identification module includes an RFID radio frequency chip and a power amplifier, wherein the RFID radio frequency chip has multiple RFID radio frequency chips, which respectively collect tag information of different antennas in the indoor DAS.

[0020] The power amplifier is connected to the RFID radio frequency chip and the MCU, and is used to amplify the signals transmitted and received by the RFID radio frequency chip.

[0021] In a preferred embodiment, the communication module is connected to the MCU and is any module that supports a wireless network, thereby being connected to the cloud server signal via a wireless network.

[0022] In a preferred embodiment, the monitoring unit is provided with an indicator light for indicating the working status of the monitoring unit.

[0023] In a preferred embodiment, there are multiple monitoring units, which are installed in different indoor DAS base stations and wirelessly connected to the same cloud server.

[0024] In a preferred embodiment, the MCU adopts STM32 series chips.

[0025] The RFID radio frequency chip adopts HX-M04G,

[0026] The communication module adopts an LTE CAT1 module.

[0027] The beneficial effects of the utility model include:

[0028] (1) Realize remote status monitoring and control of indoor DAS;

[0029] (2) It can directly control the power supply of the indoor DAS, thereby improving the safety of the indoor DAS. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A schematic structural diagram of a passive indoor monitoring system according to a preferred embodiment of the present invention is shown;

[0031] Figure 2 Showing preset conditions for power supply or interruption-related alarms of a passive indoor monitoring system according to a preferred embodiment of the present invention;

[0032] Figure 3 The following shows the preset conditions for alarms related to feeder faults in a passive indoor monitoring system according to a preferred embodiment of the present invention.

[0033] Description of Figure Numbers:

[0034] 11-MCU;

[0035] 21-Blade circuit breaker;

[0036] 22-Relay;

[0037] 23-Hydraulic circuit breaker;

[0038] 31-voltage transformer;

[0039] 32-current transformer;

[0040] 33-acquisition chip;

[0041] 41- RF chip;

[0042] 42-Power Amplifier

[0043] 5-Communication module. DETAILED DESCRIPTION

[0044] The present invention will be described in further detail below through the accompanying drawings and examples, through which the features and advantages of the present invention will become more clearly understood.

[0045] The word "exemplary" is used exclusively herein to mean "serving as an example, example, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. Although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless otherwise indicated.

[0046] According to the utility model, a passive indoor monitoring system is provided, comprising a cloud server and a monitoring unit;

[0047] The monitoring unit includes a main control module, and a power distribution control module, a power collection module, a radio frequency identification module and a communication module 5 electrically connected to the main control module;

[0048] The power distribution control module is used to control the circuit disconnection of the indoor DAS;

[0049] The electric energy collection module is used to collect the circuit current of the indoor DAS;

[0050] The radio frequency identification module is used to collect tag information of the antenna;

[0051] The communication module 5 is used for long-range wireless communication;

[0052] The main control module obtains the signals collected by the power collection module and the radio frequency identification module and transmits them to the cloud server; receives the control instructions of the cloud server and sends the instructions to the power distribution control module to control the opening and closing of the indoor DAS circuit;

[0053] The cloud server is used to receive signals from the main control module and display them to the user, and send control instructions to the main control module to monitor the monitoring module.

[0054] Preferably, the main control module includes an MCU 11 and a device power supply. The MCU can adopt any existing processor, preferably an STM32 series chip, such as STM32F103C8T6.

[0055] The device power supply adopts an AC-DC dual-circuit power supply, which is used to provide power to the MCU and the power distribution control module, the power collection module, the radio frequency identification module and the communication module 5.

[0056] Preferably, a switch is also provided in the main control module for controlling the on and off of the power supply of the device.

[0057] The power distribution control module includes a blade circuit breaker 21, a relay 22 and a hydraulic circuit breaker 23, wherein there is one blade circuit breaker and multiple relays and hydraulic circuit breakers.

[0058] The blade circuit breaker is connected to the main power supply of the indoor DAS, and its output is a multi-way power supply. A relay and a hydraulic circuit breaker are set on each power supply. The output end of each hydraulic circuit breaker is connected to a DAS link respectively, thereby realizing independent power supply control of all DAS links.

[0059] According to the utility model, the blade circuit breaker and the hydraulic circuit breaker are used to protect the circuit and prevent abnormalities such as overload and circuit breaking.

[0060] In the present invention, there is no limitation on the specific models of the blade circuit breaker, relay and hydraulic circuit breaker, and those skilled in the art can freely choose according to actual needs. For example, the blade circuit breaker adopts NDB6A, the relay adopts MPQ4, and the hydraulic circuit breaker adopts NDB3.

[0061] Preferably, the relay is set to a normally open state.

[0062] The power collection module includes a voltage transformer 31, a current transformer 32 and a collection chip 33. There are multiple voltage transformers and current transformers, which are respectively set on different circuits of the indoor DAS to collect the current and voltage of each circuit;

[0063] The acquisition chip is electrically connected to the voltage transformer and the current transformer, and collects the voltage and current collected by the voltage transformer and the current transformer.

[0064] In the present invention, there is no limitation on the specific models of the voltage transformer, current transformer and acquisition chip, and those skilled in the art can freely choose according to actual needs. For example, the current transformer adopts GTA28Z and the acquisition chip adopts HT7036.

[0065] The radio frequency identification module includes an RFID radio frequency chip 41 and a power amplifier 42, wherein the RFID radio frequency chip has multiple RFID radio frequency chips, respectively collecting tag information of different antennas in the indoor DAS, and any RFID radio frequency chip can be used, such as HX-M04G;

[0066] The power amplifier is connected to the RFID radio frequency chip and the MCU, and is used to amplify the signals transmitted and received by the RFID radio frequency chip.

[0067] The communication module 5 is connected to the MCU and is any module that supports wireless network, which can be a 4G module or a 5G module. It is connected to the cloud server signal through the wireless network. For example, an LTE CAT1 module is used, which supports China Mobile, China Unicom, and China Telecom three-network communications, and connects to the cloud server through the 4G network to upload and receive information.

[0068] Preferably, the communication module further includes an expansion 485 transmission module for local wired communication.

[0069] In a preferred embodiment, the monitoring unit is provided with indicator lights for indicating the working status of the monitoring unit, including a power indicator light, a running indicator light, a network indicator light and a fault indicator light.

[0070] According to the present invention, the monitoring unit also has a shell that wraps the main control module, and the power distribution control module, power collection module, radio frequency identification module and communication module electrically connected to the main control module to provide protection.

[0071] Furthermore, a plurality of wiring terminals are provided on the housing, including an input wiring terminal for connecting to the main power supply of the indoor DAS;

[0072] Output terminal block for connecting to the DAS link.

[0073] According to the utility model, a database for recording data tags is provided in the cloud server, and the working status of the indoor DAS is obtained by comparing the tag information collected by the monitoring unit with the database; and

[0074] A database for recording voltage and current is provided in the cloud server. The working status of the indoor DAS is obtained by comparing the voltage and current information collected by the monitoring unit with the database.

[0075] For example, when the collected tag information differs from the tag information in the database, it is determined whether it is a fault based on the preset conditions. When a fault occurs, an alarm or warning is issued.

[0076] In the present invention, there is no limitation on the specific setting of the preset conditions, and those skilled in the art can set them according to actual needs, for example Figure 2 Shows the preset conditions for power or interruption related alarms, Figure 3 The preset conditions for feeder fault related alarms are shown.

[0077] In a preferred embodiment, multiple monitoring units share one cloud server, that is, the cloud server is used to monitor multiple monitoring units in different areas.

[0078] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front," and "rear" and the like, indicating positions or relationships, are based on the positions or relationships in the operating state of the utility model and are intended solely to facilitate and simplify the description of the utility model. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the utility model. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0079] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0080] The present invention has been described above with reference to preferred embodiments, but these embodiments are merely exemplary and serve only as illustrations. On this basis, various replacements and improvements can be made to the present invention, all of which fall within the scope of protection of the present invention.

Claims

1. A passive indoor monitoring system, characterized in that: Including cloud server and monitoring unit; The monitoring unit includes a main control module, and a power distribution control module, a power collection module, a radio frequency identification module and a communication module electrically connected to the main control module; The power distribution control module is used to control the circuit disconnection of the indoor DAS; The electric energy collection module is used to collect the circuit current of the indoor DAS; The radio frequency identification module is used to collect tag information of the antenna; The communication module is used for long-range wireless communication; The main control module obtains the signals collected by the power collection module and the radio frequency identification module and transmits them to the cloud server; receives the control instructions of the cloud server and sends the instructions to the power distribution control module to control the opening and closing of the indoor DAS circuit; The cloud server is used to receive signals from the main control module and display them to the user, and send control instructions to the main control module to monitor the monitoring module.

2. A passive indoor monitoring system according to claim 1, characterized in that: The power distribution control module includes a blade circuit breaker, a relay and a hydraulic circuit breaker, wherein there is one blade circuit breaker and a plurality of relays and hydraulic circuit breakers. The blade circuit breaker is connected to the main power supply of the indoor DAS, and its output is a multi-way power supply. A relay and a hydraulic circuit breaker are set on each power supply. The output end of each hydraulic circuit breaker is connected to a DAS link respectively, thereby realizing independent power supply control of all DAS links.

3. A passive indoor monitoring system according to claim 1, characterized in that: The main control module includes an MCU and a device power supply, and the device power supply is used to provide power to the MCU and the power distribution control module, the power collection module, the radio frequency identification module and the communication module.

4. A passive indoor monitoring system according to claim 3, characterized in that: The power collection module includes a voltage transformer, a current transformer and a collection chip. There are multiple voltage transformers and current transformers, which are respectively set on different circuits of the indoor DAS to collect the current and voltage of each circuit; The acquisition chip aggregates the voltage and current collected by the voltage transformer and the current transformer. The acquisition chip is electrically connected to the voltage transformer and the current transformer, and is communicatively connected to the MCU.

5. The passive indoor monitoring system according to claim 3, characterized in that: The radio frequency identification module includes an RFID radio frequency chip and a power amplifier, wherein the RFID radio frequency chip has multiple ones, respectively collecting tag information of different antennas in the indoor DAS. The power amplifier is connected to the RFID radio frequency chip and the MCU, and is used to amplify the signals transmitted and received by the RFID radio frequency chip.

6. The passive indoor monitoring system according to claim 3, characterized in that: The communication module is connected to the MCU and is any module that supports a wireless network, thereby being connected to the cloud server signal via a wireless network.

7. The passive indoor monitoring system according to claim 1, characterized in that: The monitoring unit is provided with an indicator light for indicating the working status of the monitoring unit.

8. The passive indoor monitoring system according to claim 1, characterized in that: There are multiple monitoring units, which are set up in different indoor DAS base stations and wirelessly connected to the same cloud server.

9. The passive indoor monitoring system according to claim 5, characterized in that: The MCU adopts STM32 series chip, The RFID radio frequency chip adopts HX-M04G.

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