A high-precision and low-cost industrial parameter sensing system and sensing method

Abstract

The present invention relates to the technical field of base station antennas, and specifically to a high-precision, low-cost industrial parameter sensing system and sensing method. The system comprises: an industrial parameter sensing unit: the industrial parameter sensing unit comprises a first GNSS module and a second GNSS module, the first GNSS module and the second GNSS module are electrically connected to a central processing module respectively; the first GNSS module and the second GNSS module can adopt a single BDS module or a multi-mode module, and the industrial parameter sensing unit is used to obtain a first original observation; a reference station unit: as a reference station, used to obtain a second original observation; an operation unit: obtains the first original observation of the industrial parameter sensing unit and the second original observation of the reference station unit to calculate higher-precision industrial parameter data; and transmits the high-precision industrial parameter data back to the industrial parameter sensing unit; a network management system: can retrieve the required data from the industrial parameter sensing unit at any time, and this design can realize the calculation of higher-precision industrial parameter data.

Description

Technical Field

[0001] The present invention relates to the technical field of base station antennas, and in particular to a high-precision and low-cost industrial parameter sensing system and sensing method. Background Art

[0002] It is a technical module, mainly used in base station antennas, and is designed to obtain antenna engineering parameter information through the built-in perception module, mainly including azimuth angle, downtilt angle, roll angle positioning and other engineering parameter information. This module includes the perception module itself and related hardware components, such as screws, protective covers, GNSS modules, etc., which together constitute a complete system for collecting and processing antenna working parameter information.

[0003] For example, the patent application number CN219757301U provides a base station antenna built-in industrial parameter sensing module, including a sensing module, the sensing module includes screw 1, screw 2, a protective cover, GNSS antenna module 1, antenna module 2, a shell, a circuit board, and a main board. The top surface of the shell is provided with a protective cover, and a main board is provided directly below the protective cover. A circuit board is provided in the middle of the top surface of the main board, and a GNSS module 1 is provided at one end of the bottom surface of the main board, and a GNSS module 2 is provided at the other end. Screws 1 and 2 are installed on the top surface of the protective cover. The built-in industrial parameter sensing module of the base station antenna directly obtains the latitude and longitude and altitude information of the antenna through the built-in GNSS module 1 and GNSS module 2. The main board includes a processor and a multi-axis acceleration sensor, which is cascaded with the RCU inside the antenna through the intermediate circuit board and the RF cable. The data transmission of the built-in industrial parameter sensing module can save the AISG cable, greatly reducing the material cost of the product.

[0004] The above-mentioned industrial parameter sensing module is limited by the distance between the two GPS modules installed inside it, so the detection accuracy of the industrial parameter sensing module is not high, so that the data finally obtained is not accurate.

[0005] Based on the above problems, there is an urgent need for a solution or method for an industrial parameter sensing module that can improve detection accuracy and reduce a certain amount of equipment cost accordingly. Summary of the invention

[0006] In view of the low detection accuracy of the current industrial parameter sensing module, the present invention provides a high-precision and low-cost industrial parameter sensing system, including: Industrial parameter sensing unit: the industrial parameter sensing unit includes a first GNSS module and a second GNSS module, the first GNSS module and the second GNSS module are electrically connected to the central processing module respectively; the first GNSS module and the second GNSS module can adopt a single BDS module or a multi-mode module, and the industrial parameter sensing unit is used to obtain a first original observation; Reference station unit: used as a reference station to obtain the second original observation; Operation unit: obtains the first original observation value of the industrial parameter sensing unit and the second original observation value of the reference station unit to calculate higher-precision industrial parameter data; and transmits the high-precision industrial parameter data back to the industrial parameter sensing unit; Network management system: can retrieve required data from the industrial parameter sensing unit at any time.

[0007] Preferably, the computing unit is arranged in the industrial parameter sensing unit, and the calculation is performed by the MCU in the central processing unit.

[0008] Further preferably, the reference station data can be obtained by setting a communication module in the industrial parameter sensing unit or adopting the AISG protocol to obtain the reference station data, and the communication module includes an LTE module or a NB module.

[0009] A perception method, applied to any of the above perception systems, comprising: S101: The industrial parameter sensing unit is used to obtain a first original observation value; the reference station unit obtains a second original observation value; S102: Acquire a first original observation value of the industrial parameter sensing unit and a second original observation value of the reference station unit, calculate industrial parameter data with higher precision; and transmit the high-precision industrial parameter data back to the industrial parameter sensing unit; Preferably, the built-in algorithm flow of the computing unit is: S201: The reference station unit transmits the detected data to the network management unit in real time; S202: The network management unit forms a network in real time according to the data of each reference station unit, calculates the carrier phase integer ambiguity in the reference station unit, and establishes an error correction model; S203: Each industrial parameter sensing unit transmits the initially captured single-point positioning result to the network management unit in NMEA format using a wireless transmission network. The network management unit establishes a virtual reference station nearby according to the position of the mobile station, obtains correction information of various error sources of the virtual reference station through interpolation, and transmits it back to each mobile station user through the NTRIP protocol; S204: Each industrial parameter sensing unit and the reference station of its own virtual station form a conventional PTK network form, and use the received virtual reference station differential correction information to perform differential calculation to obtain the precise position of the industrial parameter sensing unit and obtain a centimeter-level positioning result.

[0010] Technical effect: This application provides an industrial parameter perception system with built-in RTK algorithm, PTK algorithm, differential algorithm and other algorithms, and can obtain base station data through a reserved LTE or NB module or through the AISG protocol according to customer needs, and can calculate higher-precision industrial parameter data. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0012] Figure 1 This is a schematic diagram of the industrial parameter sensing system for this application; Figure 2 The communication module structure diagram for this application Figure 3 A flow chart of the sensing method for this application; Figure 4 This is the flow chart of the industrial parameter perception method for this application.

[0013] In the figure: 1. Industrial parameter sensing unit; 2. First GUSS module; 3. Second GUSS module; 4. Central processing module; 5. Reference station unit; 6. Operation unit; 7. Network management system; 8. Communication module; 9. AISG protocol; 10. LTE module; 11. NB module. DETAILED DESCRIPTION

[0014] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present application.

[0015] It should be understood that when used in the present specification and the appended claims, the term "comprising" indicates the presence of described features, wholes, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or combinations thereof.

[0016] See also Figure 1-4 , like the original industrial parameter sensing module, two GUSS modules are respectively set up on the module, and the latitude, longitude and altitude of the antenna can be obtained through the two GUSS modules respectively. However, in the design of the module, the two GUSS modules are set in the same device, resulting in a short distance between the two GUSS modules. After the data that can be detected is calculated, a large error may occur. Based on the above problems, the embodiment of the present application discloses that the present invention provides a high-precision and low-cost industrial parameter sensing system, including: Industrial parameter sensing unit: the industrial parameter sensing unit includes a first GNSS module and a second GNSS module, the first GNSS module and the second GNSS module are electrically connected to the central processing module respectively; the first GNSS module and the second GNSS module can adopt a single BDS module or a multi-mode module, and the industrial parameter sensing unit is used to obtain a first original observation; Reference station unit: used as a reference station to obtain the second original observation; Operation unit: obtains the first original observation value of the industrial parameter sensing unit and the second original observation value of the reference station unit to calculate higher-precision industrial parameter data; and transmits the high-precision industrial parameter data back to the industrial parameter sensing unit; Network management system: can retrieve required data from the industrial parameter sensing unit at any time.

[0017] The GNSS module can adopt GPS, GLONASS, GALILEO, BDS, BDS and other navigation and positioning systems. Any of the above navigation and positioning system modes can be used for signal transmission at a single frequency or multiple frequencies, or multiple navigation and positioning systems can be used for signal transmission at multiple frequencies.

[0018] In the above scheme, the first GNSS module and the second GNSS module are still arranged on the industrial parameter sensing unit, and are equipped with RTK algorithm, PTK algorithm and differential algorithm; high-precision calculation is realized, and the data of the reference station can be obtained through the corresponding communication module or protocol according to customer needs. When the network management system 7 needs to know the altitude, longitude and latitude of the antenna and other data, it can be obtained in real time through the industrial parameter sensing unit. It is worth mentioning that the detection error of the technical scheme mentioned in the background technology is about ±5%, while the detection error of this scheme is about ±0.5%.

[0019] It is worth mentioning that the industrial parameter sensing unit provided by the above solution is an industrial parameter of ordinary precision when not connected to the Internet, and is an industrial parameter of high precision when connected to the Internet.

[0020] The computing unit is arranged in the industrial parameter sensing unit, and the calculation is performed by the MCU in the central processing unit.

[0021] The reference station data can be obtained by setting all communication modules capable of obtaining the reference station data in real time in the industrial parameter sensing unit or by adopting the AISG protocol to obtain the reference station data. The communication module can adopt an LTE module or a NB module.

[0022] A sensing method comprising: S1: The reference station unit identifies and detects distance data between the first GNSS module and the second GNSS module in real time, and transmits the distance data to a calculation unit; S2: The computing unit obtains the distance data detected by the reference station unit, performs computing based on the distance between the reference station unit and the first GNSS module and the second GNSS module to obtain the required data; and transmits the data to the industrial parameter sensing unit; S3: The network management system communicates with the industrial parameter sensing unit to obtain the required data.

[0023] The built-in algorithm flow of the computing unit is: S201: The reference station unit transmits the detected data to the network management unit in real time; S202: The network management unit forms a network in real time according to the data of each reference station unit, calculates the carrier phase integer ambiguity in the reference station unit, and establishes an error correction model; S203: Each industrial parameter sensing unit transmits the initially captured single-point positioning result to the network management unit in NMEA format using the wireless transmission network. The network management unit establishes a virtual reference station nearby according to the position of the mobile station, obtains the correction information of various error sources of the virtual reference station through interpolation, and transmits it back to each mobile station user through the NTRIP protocol; S204: Each industrial parameter sensing unit and the reference station of its own virtual station form a conventional PTK network form, and use the received virtual reference station differential correction information to perform differential calculation to obtain the precise position of the industrial parameter sensing unit and obtain a centimeter-level positioning result.

[0024] Unless otherwise specified, the device components involved in the above embodiments are all conventional device components, and the connection methods and control methods involved are all conventional connection methods and control methods unless otherwise specified.

[0025] The present invention has been described in detail above in conjunction with the embodiments. However, those skilled in the art will appreciate that, without departing from the spirit of the present invention, the specific parameters in the above embodiments may be changed to form a plurality of specific embodiments, which are all within the common variation range of the present invention and will not be described in detail herein.

Claims

1. A high-precision and low-cost industrial parameter sensing system, characterized in that: include: Industrial parameter sensing unit: the industrial parameter sensing unit includes a first GNSS module and a second GNSS module, the first GNSS module and the second GNSS module are electrically connected to the central processing module respectively; the first GNSS module and the second GNSS module can adopt a single BDS module or a multi-mode module, and the industrial parameter sensing unit is used to obtain a first original observation; Reference station unit: used as a reference station to obtain the second original observation; Operation unit: obtains the first original observation value of the industrial parameter sensing unit and the second original observation value of the reference station unit to calculate higher-precision industrial parameter data; and transmits the high-precision industrial parameter data back to the industrial parameter sensing unit; Network management system: can retrieve required data from the industrial parameter sensing unit at any time.

2. According to claim 1, a high-precision and low-cost industrial parameter sensing system is characterized in that: The computing unit is arranged in the industrial parameter sensing unit, and the calculation is performed by the MCU in the central processing unit.

3. According to claim 1, a high-precision and low-cost industrial parameter sensing system is characterized in that: The reference station data may be obtained by setting a communication module in the industrial parameter sensing unit or adopting the AISG protocol to obtain the reference station data, and the communication module includes an LTE module or a NB module.

4. A perception method, applied to the perception system according to any one of claims 1 to 3, characterized in that: include: S101: The industrial parameter sensing unit is used to obtain a first original observation value; The reference station unit obtains the second original observation; S102: Acquire a first original observation value of the industrial parameter sensing unit and a second original observation value of the reference station unit, calculate industrial parameter data with higher precision; and transmit the high-precision industrial parameter data back to the industrial parameter sensing unit; S103: The network management system communicates with the industrial parameter sensing unit to obtain required industrial parameter data.

5. A sensing method according to claim 4, characterized in that: The built-in algorithm flow of the computing unit is: S201: The reference station unit transmits the detected data to the computing unit in real time; S202: The operation unit forms a network in real time according to the data of each reference station unit, calculates the carrier phase integer ambiguity in the reference station unit, and establishes an error correction model; S203: Each industrial parameter sensing unit transmits the initially captured single-point positioning result to the computing unit in NMEA format using the wireless transmission network. The computing unit corrects the information affected by various error sources of the base station and transmits it back to each mobile station user through the NTRIP protocol. S204: Each industrial parameter sensing unit and its own reference station form a conventional PTK network form, and use the received quasi-station differential correction information to perform differential calculation to obtain the precise position of the industrial parameter sensing unit and obtain a centimeter-level positioning result.

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