Movable wireless array radar wave online flow measurement system

Abstract

A movable wireless array radar wave online flow measurement system relates to the technical field of river flow measurement and comprises a monitoring frame, the monitoring frame comprises a first vertical rod and a second vertical rod which are arranged on the two sides of a river, a cableway assembly is arranged between the first vertical rod and the second vertical rod, and wireless flow measurement modules are linearly and equally arranged on the cableway assembly. The first vertical rod is provided with an operation table, the operation table is provided with a telemetering terminal, the telemetering terminal comprises an electric cabinet box arranged on the first vertical rod, the electric cabinet box is internally provided with a control circuit board and a second wireless communication module, the second wireless communication module is in communication connection with the wireless flow measurement module, and the control circuit board is electrically connected with the cableway assembly. The problems of weak coverage capability, low water flow measurement and calculation precision, poor wired deployment adaptability and high maintenance cost of the traditional technology are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of river flow measurement, in particular to a movable wireless array radar wave online flow measurement system. BACKGROUND

[0002] In the field of hydrology and water conservancy, natural river channels are the core carriers for water resources allocation and ecological balance. The accurate monitoring of parameters such as flow and flow rate plays a key role in flood control and disaster reduction, water resources management, and ecological protection. The Water Security Protection Plan and the Digital Twin River Basin Construction Guidance of China clearly propose that a smart water conservancy system with real-time sensing and accurate monitoring should be built to cope with extreme water conditions caused by climate change and ecological flow protection needs.

[0003] In the prior art, traditional hydrological monitoring mainly relies on manual measurement or single-point fixed equipment (such as shore-based radar flow measurement systems), which has significant limitations: first, single-point arrangement cannot cover complex flow fields in wide river channels, and changes in underwater topography and irregular cross-sections result in insufficient data representativeness; second, wired transmission mode limits the flexibility of equipment deployment and has high maintenance costs; third, traditional algorithms only calculate the flow regime of the entire river basin based on single-point data, with an error of more than 30% in complex conditions such as floods, which cannot meet the demand for accurate scheduling. SUMMARY

[0004] The present application provides a movable wireless array radar wave online flow measurement system, which solves the problems of weak coverage, low water flow calculation accuracy, poor adaptability of wired deployment, and high maintenance cost of traditional technology.

[0005] A movable wireless array radar wave online flow measurement system, comprising a monitoring frame, the monitoring frame comprising first and second vertical rods arranged on both sides of the river channel, a cableway assembly arranged between the first and second vertical rods, and wireless flow measurement modules linearly divided on the cableway assembly, the first vertical rod being provided with an operation table, the operation table being provided with a telemetry terminal, the telemetry terminal comprising an electrical cabinet box arranged on the first vertical rod, the electrical cabinet box being provided with a control circuit board and a second wireless communication module inside, the second wireless communication module being in communication connection with the wireless flow measurement modules, and the control circuit board being in electrical connection with the cableway assembly.

[0006] Further, the cableway assembly comprises a first steel cable fixed angle steel arranged outside the first vertical rod above the operation table, a second steel cable fixed angle steel arranged horizontally opposite to the first steel cable fixed angle steel outside the second vertical rod, two steel wire ropes arranged in parallel between the two steel cable fixed angle steels, an electric winch arranged above the first steel cable fixed angle steel, a wheel set cooperating with the electric winch arranged above the second steel cable fixed angle steel, and a circulating steel cable arranged between the electric winch and the wheel set.

[0007] Further, the wireless flow measurement module comprises a radar support, two symmetrical pulleys are arranged at the top of the radar support, the opposite two pulleys are arranged on one of the steel wires, the top of the radar support is symmetrically provided with an ear plate, a long space for accommodating the circulating steel cable is arranged at the intersection of the ear plate and the lower part of the circulating steel cable, and clamping blocks are arranged on the circulating steel cables on both sides of any one of the ear plates, and the two clamping blocks are used for fixing the radar support on the circulating steel cable.

[0008] Further, the bottom of the radar support is provided with a monitoring module and a first wireless communication module, and the top of the radar support is provided with a first solar panel, which is electrically connected with the monitoring module and the first wireless communication module.

[0009] Further, the monitoring module comprises a radar current meter, a radar flowmeter and a positioning sensor.

[0010] Further, a second solar panel is arranged on the outer side of the first vertical rod close to the top side, and the second solar panel is electrically connected with the control circuit board.

[0011] Further, The control circuit board comprises a microcontroller and a 485 acquisition circuit, the 485 acquisition circuit comprises a transceiver chip and a protection circuit, the pin 8 of the transceiver chip is connected with the second solar panel, the pin 5 of the transceiver chip is grounded, a capacitor C39 is connected between the pin 8 and the pin 5, the pins 6 and 7 of the transceiver chip are connected with a connector, the connector is connected with an external device, and the protection circuit is arranged between the microcontroller and the connector.

[0012] Further, the pin 1 of the second wireless communication module is connected with the second solar panel, the pin 2 of the second wireless communication module is grounded, the pin 3 of the second wireless communication module is connected with the pin 33 of the microcontroller, the pin 4 of the second wireless communication module is connected with the pin 32 of the microcontroller, the pin 5 of the second wireless communication module is connected with the pin 31 of the microcontroller, the pin 6 of the second wireless communication module is connected with the pin 36 of the microcontroller, and the pins 35-39 on the microcontroller are respectively connected with the pins 7, 8, 9, 10 and 26 of the second wireless communication module.

[0013] Further, the pin 31 of the microcontroller is connected with the pin 1 of the transceiver chip, the pin 30 of the microcontroller is connected with the pin 4 of the transceiver chip, and the pin 18 of the microcontroller is connected with the pins 2 and 3 of the transceiver chip.

[0014] Further, the microcontroller is provided with a flow rate measurement system, the flow rate measurement system comprises: The measuring point dynamic deployment module establishes a river section coordinate system based on the wireless flow measurement module, obtains the flow rates at any two adjacent wireless flow measurement modules, judges the flow rate difference, and if the flow rate difference is higher than a set threshold, the cableway component drives the wireless flow measurement module to move, after the movement is completed, the data collected is used to repeatedly calculate the flow rate difference with the previous data until the flow rate difference is lower than the set threshold. The section flow rate calculation module calculates the interval area flow rate of the two adjacent wireless flow measurement modules, and further obtains the overall flow rate of the river. The auxiliary verification module obtains the flow rate of water surface floating objects, and further uses a speed verification algorithm to verify the range of the flow rate of the water surface floating objects and the flow rate value obtained by the measuring point dynamic deployment module.

[0015] The above technical solution provided by the embodiment of the present application has at least the following beneficial effects: The present application realizes accurate monitoring of wide river flow field through the array of dynamically deployed wireless flow measurement modules, the system is supported by the two-bank stand, a plurality of wireless flow measurement modules are carried through the steel cableway, the modules can move along the cableway and are equidistantly distributed, forming a monitoring network covering the river section, each module integrates a radar flow meter, a flow meter and a positioning sensor, and through solar power supply and wireless communication, the vertical line flow rate, water depth and position data are collected in real time, based on the initial grid deployment of measuring points, through real-time analysis of the flow rate difference of adjacent measuring points, if the flow rate difference exceeds the adaptive threshold, the electric winch is driven to adjust the position of the module, the measuring points in the high gradient area are encrypted, and the flow rate difference is lower than the threshold, so that the complex flow state such as local dark current can be accurately captured. At the same time, the section micro-area and flow rate are calculated based on the depth data measured by the water level gauge, and the flow rate of the water surface floating objects captured by the radar flow meter is integrated for cross verification, so as to ensure the reliability of the data. Compared with the prior art, the array deployment breaks through the limitation of single-point monitoring, adapts to wide river and irregular section, and the representativeness of data is improved; wireless transmission + solar power supply avoids the limitation of wired layout, reduces the maintenance cost, and the system has strong self-sustaining ability; dynamic measuring point adjustment combined with multi-source data fusion improves the measurement accuracy; the threshold dynamic adjustment and floating object verification mechanism adapt to the flow rate magnitude change in dry season / flood season, and have outstanding anti-interference ability.

[0016] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the application. The objects and other advantages of the present application can be achieved and obtained by the structures particularly pointed out in the written description, claims, and drawings.

[0017] The technical solutions of the present application will be further described in detail below with the help of drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and are meant to explain the application without limiting the application to the embodiments shown. In the drawings: Figure 1 A structural schematic diagram of a movable wireless array radar wave online flow measurement system according to an embodiment of the application; Figure 2 A partial structural schematic diagram above a first vertical rod according to an embodiment of the application; Figure 3 A perspective structural schematic diagram of a wireless flow measurement module according to an embodiment of the application; Figure 4 Another perspective structural schematic diagram of a wireless flow measurement module according to an embodiment of the application; Figure 5 A circuit diagram of a 485 acquisition circuit according to an embodiment of the application; Figure 6 A circuit diagram of a microcontroller and a second wireless communication module according to an embodiment of the application; Figure 7 A circuit diagram of a microcontroller according to an embodiment of the application; Figure 8 A communication block diagram according to an embodiment of the application.

[0019] Reference signs: 10, monitoring frame; 11, first vertical rod; 12, operation table; 13, lightning rod; 14, second vertical rod; 15, cableway assembly; 1501, first steel cable fixing angle steel; 1502, electric winch; 1503, steel wire rope; 1504, circulating steel cable; 1505, second steel cable fixing angle steel; 20, wireless flow measurement module; 21, radar support; 2101, pulley; 2102, ear plate; 22, first solar panel; 23, monitoring module; 2301, radar current meter; 2302, radar flowmeter; 2303, positioning sensor; 24, first wireless communication module; 30, telemetry terminal; 31, electric cabinet box; 32, second wireless communication module; 33, control circuit board; 3301, microcontroller; 3302, 485 acquisition circuit; 33021, transceiver chip; 33022, protection circuit; 34, second solar panel; 40, flow velocity measurement system; 41, measurement point dynamic deployment module; 42, cross-section flow velocity calculation module; 43, auxiliary verification module. DETAILED DESCRIPTION

[0020] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0021] Example 1 like Figures 1-4 As shown, an embodiment of the present invention provides a movable wireless array radar wave online flow measurement system, including a monitoring frame 10, the monitoring frame 10 includes a first vertical pole 11 and a second vertical pole 14 arranged on both sides of the river channel, a cableway assembly 15 is arranged between the first vertical pole 11 and the second vertical pole 14, and wireless flow measurement modules 20 are linearly and equally arranged on the cableway assembly 15, the first vertical pole 11 is provided with an operating table 12, and a telemetry terminal 30 is arranged on the operating table 12, and the telemetry terminal 30 includes an electrical cabinet box 31 arranged on the first vertical pole 11, and a control circuit board 33 and a second wireless communication module 32 are arranged inside the electrical cabinet box 31, the second wireless communication module 32 is communicatively connected to the wireless flow measurement module 20, and the control circuit board 33 is electrically connected to the cableway assembly 15, that is, the river flow velocity of the corresponding vertical line is obtained by multiple wireless flow measurement modules 20 arranged on the river surface, and then the overall flow velocity of the river section is comprehensively calculated, which is more accurate than single-point measurement on a natural river channel.

[0022] In this embodiment, the cableway assembly 15 includes a first steel cable fixing angle 1501 arranged on the outside of the first vertical pole 11 and above the operating platform 12, a second steel cable fixing angle 1505 is arranged on the outside of the second vertical pole 14 and at a horizontal relative position to the first steel cable fixing angle 1501, two steel ropes 1503 are arranged in parallel between the two steel cable fixing angles, an electric winch 1502 is arranged above the first steel cable fixing angle 1501, a wheel group cooperating with the electric winch 1502 is arranged above the second steel cable fixing angle 1505, and a circulating steel cable 1504 is arranged between the electric winch 1502 and the wheel group.

[0023] Further, the wireless flow measurement module 20 comprises a radar support 21, two symmetrical pulleys 2101 are arranged at the top of the radar support 21, the opposite two pulleys 2101 are slidingly arranged on one steel wire rope 1503, the top of the radar support 21 is symmetrically provided with an ear plate 2102, the ear plate 2102 is provided with a long empty space accommodating the circulating steel cable 1504 at the intersection of the lower part of the circulating steel cable 1504, and the circulating steel cable 1504 on both sides of any one ear plate 2102 is provided with a clamping block, and the two clamping blocks are used to fix the radar support 21 on the circulating steel cable 1504, that is, the movement of the radar support 21 can be realized by driving the circulating steel cable 1504 by the electric winch 1502, when installing, the river width is measured by the range finder, and then the wireless flow measurement module 20 is installed on the circulating steel cable 1504 based on the designed equal interval requirement of the wireless flow measurement module 20, and the electric winch 1502 is matched, so that a plurality of flow measurement devices can be finally arranged equidistantly on the river surface.

[0024] In the embodiment, the bottom of the radar support 21 is provided with a monitoring module 23 and a first wireless communication module 24, the top of the radar support 21 is provided with a first solar panel 22, the first solar panel 22 is electrically connected with the monitoring module 23 and the first wireless communication module 24, the scheme adopts wireless communication technology and solar self-power supply, compared with the wired connection mode, the wireless communication distance is larger, the maximum communication distance can reach 6km, which is much higher than the wired communication distance limit, and is more suitable for wide river channel flow measurement communication, and the matched solar power supply effectively avoids the problem that a single device failure in wired connection leads to the influence of other devices in series, the system stability is higher, and from the installation level, the wireless communication does not need to be wired and threaded, and the installation on the circulating cableway is simpler than the wired form, and the installation and maintenance are more convenient, and based on the need for convenient expansion and addition of flow plummet devices in the later period.

[0025] In the embodiment, the monitoring module 23 comprises a radar current meter 2301, a radar flowmeter 2302 and a positioning sensor 2303.

[0026] In the embodiment, the outer side of the first vertical rod 11 close to the top side is provided with a second solar panel 34, the second solar panel 34 is electrically connected with the control circuit board 33, and the top of the first vertical rod 11 is designed to have a lightning rod 13, which plays a protective role on the telemetry terminal 30.

[0027] As Figures 5-6As shown, the control circuit board 33 includes a microcontroller 3301 and a 485 acquisition circuit 3302, the 485 acquisition circuit 3302 includes a transceiver chip 33021 and a protection circuit 33022, wherein the model of the transceiver chip 33021 is SP3485, which is an RS-485 transceiver chip 33021, used to realize differential signal transmission, has the advantages of improving the anti-interference ability and transmission distance of communication, especially suitable for large-span river surface, the pin 8 of the transceiver chip 33021 is connected with the second solar panel 34, the pin 5 of the transceiver chip 33021 is grounded, and the capacitor C39 is connected between the pin 8 and the pin 5, and the capacitor C39 (104pF) is used for filtering to reduce power supply noise, the pins 6 and 7 of the transceiver chip 33021 are connected with a connector Header 2, the connector is used for connecting external RS-485 communication equipment, and is connected with other parts on the circuit board through P21, and the protection circuit 33022 is arranged between the transceiver chip 33021 and the connector, wherein D34, D35, D36, D38 and D39 are diodes with model BS0300N or BC301N (for details Figure 5 ), which mainly protects the protection circuit 33022 from overvoltage and reverse voltage.

[0028] Further, the pin 1 of the second wireless communication module 32 is connected with the second solar panel 34, the pin 2 of the second wireless communication module 32 is grounded, a capacitor C with the same function as the capacitor C39 is arranged between the general pin 1 and the pin 2, the pin 3 of the second wireless communication module 32 is connected with the pin 33 of the microcontroller 3301, the pin 4 of the second wireless communication module 32 is connected with the pin 32 of the microcontroller 3301, the pin 5 of the second wireless communication module 32 is connected with the pin 31 of the microcontroller 3301, and the pin 6 of the second wireless communication module 32 is connected with the pin 36 of the microcontroller 3301. The above four are SPI communication interfaces, mainly used for synchronous data transmission, the pins 35-39 on the microcontroller 3301 are respectively connected with the pins 7, 8, 9, 10 and 26 of the second wireless communication module 32, the connection of the GPIO pin and the second wireless communication module 32 is mainly used for the functions of resetting, busy state, transmitting enable, receiving enable and antenna selection of the control module, the pin 14 (ANT) is an antenna pin, which is connected to an antenna and is used for transmitting and receiving wireless signals. The circuit realizes data communication between the microcontroller 3301 and the second wireless communication module 32 through the SPI interface, and realizes comprehensive control of the module through multiple control and state signal pins. The power supply and filter circuit ensures stable operation of the module, and the antenna connection realizes transmission of wireless signals.

[0029] Furthermore, pin 31 of the microcontroller 3301 is connected to pin 1 of the transceiver chip 33021, and pin 30 of the microcontroller 3301 is connected to pin 4 of the transceiver chip 33021. The connection with pins 1 and 4 is mainly used for data input and output. Pin 18 of the microcontroller 3301 is connected to pins 2 and 3 of the transceiver chip 33021. Pins 2 and 3 share PB0 (GPIO) which is used to enable reception at a low level.

[0030] Its working principle is that when the transceiver chip 33021 needs to send data, it controls pin 2 (DE) to a high level to enable the transmitter and send the data from pin 4 (DI) to the differential signal lines A and B; when the microcontroller 3301 needs to receive data, it controls pin 2 (RE) to a low level to enable the receiver and read the data on the differential signal lines A and B from pin 1 (RO) to the microcontroller 3301; the protection circuit 33022 is composed of resistors, capacitors and diodes to ensure that the circuit can operate stably under various working conditions and reduce the influence of noise and interference.

[0031] like Figure 7 As shown, the microcontroller 3301 is provided with a flow rate calculation system 40, which includes: The data processing module is mainly used to perform data processing such as filtering, denoising and deduplication on the received measurement data. This processing is a conventional processing step of data acquisition processing, and the specific details will not be elaborated on.

[0032] The dynamic deployment module 41 of the measuring point establishes a river cross-section coordinate system based on the wireless flow measurement module 20, obtains the flow velocity of the vertical line at any two adjacent wireless flow measurement modules 20, and controls the cableway component 15 to drive the wireless flow measurement module 20 to move based on the difference in flow velocity between the two. After the movement is completed, the flow velocity difference is repeatedly calculated with the previous data until the flow velocity difference is lower than the set threshold.

[0033] Specifically, the cableway is divided into basic grids (the default spacing is 5m) according to the width of the river, and wireless flow measurement modules 20 are deployed at the grid nodes to form an initial vertical line set P = {P1, P2, ..., P n}, and then record the coordinates of each node through the data of the positioning sensor 2303 on each wireless flow measurement module 20, that is, complete the establishment of the river section coordinate system.

[0034] Furthermore, the basic data are integrated and synchronized, and the data collected by flow measurement are integrated with coordinates and timestamps as the primary keys, including the water level meter to obtain the water depth, the radar flow meter 2302 to measure the flow velocity at a depth of 0.6H, and the radar flow meter 2301 to capture the water surface flow velocity. At the same time, the maximum operating error value ΔV_max of the flow velocity difference needs to be set.

[0035] Further, the gradient of the flow rate is analyzed, the flow rate difference Delta_V of adjacent points is calculated, and then it is judged whether Delta_V is greater than Delta_V_max. If it is greater, the encryption operation is performed, the intermediate coordinates are calculated through the coordinate values between two points, and the difference between the intermediate coordinates and one of the node coordinates is the distance moved by the electric winch 1502 and a plurality of wireless flow measurement modules 20. Based on the increased grid node coordinates, the difference between adjacent nodes is calculated again, and this step is repeated until the flow rate difference is less than the set threshold. This method can effectively improve the accuracy of flow measurement and avoid undetected local underwater currents.

[0036] It should be noted that the difference in the order of magnitude of the flow rate between the dry season and the flood season will cause the threshold to fail, so an adaptive threshold algorithm is used, i.e. Delta_V_max = 0.25 * Delta_V. When the water level gauge detects that the water level depth changes > 20%, the threshold is automatically reset.

[0037] As a preferred embodiment, specifically, according to the installation environment of the present scheme, a non-contact water level gauge is selected, including radar water level gauge, ultrasonic water level gauge, bubble water level gauge and pressure water level gauge, etc. which can be used to automatically measure water depth. Among them, the radar water level gauge is preferred, which has strong anti-interference ability and is not affected by temperature, humidity and atmospheric pressure changes, and is less affected by sediment and floating objects.

[0038] The cross-section flow rate calculation module 42 calculates the interval area flow rate of the two adjacent wireless flow measurement modules 20, and then obtains the overall flow rate of the river. Specifically, based on the adjacent node coordinates, the width of the two is obtained, and the average of the water depth of the two is obtained. The product of the two is the interval micro-section area. Combined with the flow rate of each micro-section area, the flow rate of the entire river can be calculated. The local end surface data and historical data are compared. If the water bottom elevation of any point changes by more than 5% of the water depth, it is marked as an abundant area and a warning is given.

[0039] The auxiliary verification module 43 obtains the flow rate of the water surface floating object. The flow rate of the floating object is obtained through the radar flowmeter 2301, and then the speed verification algorithm is used to verify the range of the flow rate value obtained by the flow measurement point dynamic deployment module 41.

[0040] Specifically, the verification logic of the auxiliary verification module 43 is as follows: when the radar flowmeter 2301 continuously scans the water surface echo, if the echo intensity increases by more than 2 times the background value, it is determined that it is a suspicious target (this determination process needs to track the target for more than 10 seconds), further, the flow rate difference between the target flow rate and the cross-section flow rate is calculated, and if the flow rate difference is greater than the preset minimum threshold, the flow measurement point dynamic deployment module 41 controls the cableway assembly 15, thereby increasing the density of the nodes.

[0041] Meanwhile in a preferred embodiment, for the case that the node density is higher than the initial preset corresponding density of the wireless flow measurement module 20, different levels of prompts are carried out, that is, the prompt level is increased with the multiple increase of the node density, the purpose is to prompt the installation density of the wireless flow measurement module 20 to be increased, so as to better monitor, and the damaged wireless flow measurement module 20 also causes multiple increases of the node density, which indirectly explores the wireless flow measurement module 20 needing to be maintained through data.

[0042] It should be understood that the particular order or hierarchy of steps in the processes disclosed is an example. Based upon design preferences, it should be understood that the particular order or hierarchy of steps in the processes can be rearranged, so as to retain functionality of the disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not meant to be limited to the specific order or hierarchy presented.

[0043] In the above detailed description, various features are grouped together in single embodiments for the purpose of streamlining the disclosure. This disclosed approach is not to be interpreted as reflecting an intention that the claimed embodiments require more features than are explicitly recited in each claim. On the contrary, as reflected by the appended claims, the claimed invention is to be interpreted to encompass any feature or combination of features disclosed herein, no matter how recurrent throughout the specification. Accordingly, the claims are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate preferred embodiment.

[0044] Those skilled in the art will further understand that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein can be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans can implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.

[0045] The steps of a method or algorithm described in connection with the embodiments disclosed herein can be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module can reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such that the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium can be integral to the processor. The processor and the storage medium can reside in an ASIC. The ASIC can reside in a user terminal. In the alternative, the processor and the storage medium can reside as discrete components in a user terminal.

[0046] For a software implementation, the techniques described herein can be implemented with modules (e.g., procedures, functions, and so on) that perform the functions described herein. The software codes can be stored in memory units and executed by processors. The memory unit can be implemented within the processor or external to the processor, in which case it can be communicatively coupled to the processor via various means as is known in the art.

[0047] The above description includes one or more examples of the embodiments. Of course, not all possible combinations of components or methods described above can be claimed as an embodiment. One of ordinary skill in the art can recognize that modifications and variations of the described embodiments are possible and are within the scope of the present application. It is therefore intended that the embodiments described herein be considered in all respects as illustrative and not restrictive, particularly as numerous modifications and ha ving been made. Accordingly, what is wanted to be secured by Letters Patent is set forth in the following claims and their equivalents. Moreover, the use of the term "or" in the claims is meant to encompass both "and" and "or" unless specifically stated otherwise.

Claims

1. A mobile wireless array radar wave online flow measurement system, characterized in that: The invention comprises a monitoring frame (10), wherein the monitoring frame (10) comprises a first vertical pole (11) and a second vertical pole (14) arranged on both sides of a river channel, a cableway assembly (15) is arranged between the first vertical pole (11) and the second vertical pole (14), wireless flow measurement modules (20) are linearly and equally arranged on the cableway assembly (15), an operating table (12) is arranged on the first vertical pole (11), a telemetry terminal (30) is arranged on the operating table (12), the telemetry terminal (30) comprises an electric cabinet (31) arranged on the first vertical pole (11), a control circuit board (33) and a second wireless communication module (32) are arranged inside the electric cabinet (31), the second wireless communication module (32) is communicatively connected to the wireless flow measurement module (20), and the control circuit board (33) is electrically connected to the cableway assembly (15).

2. The mobile wireless array radar wave online flow measurement system according to claim 1, characterized in that: The cableway assembly (15) comprises a first steel cable fixing angle steel (1501) arranged on the outside of the first vertical pole (11) and above the operating platform (12); a second steel cable fixing angle steel (1505) is arranged on the outside of the second vertical pole (14) and horizontally relative to the first steel cable fixing angle steel (1501); two steel wire ropes (1503) are arranged in parallel between the two steel cable fixing angle steels; an electric winch (1502) is arranged above the first steel cable fixing angle steel (1501); a wheel group cooperating with the electric winch (1502) is arranged above the second steel cable fixing angle steel (1505); and a circulating steel cable (1504) is arranged between the electric winch (1502) and the wheel group.

3. The mobile wireless array radar wave online flow measurement system according to claim 2, characterized in that: The wireless current measurement module (20) includes a radar bracket (21), two pulleys (2101) are symmetrically arranged at both ends of the top of the radar bracket (21), and the two opposite pulleys (2101) are slidably arranged on one of the steel wire ropes (1503). The top of the radar bracket (21) is symmetrically provided with ear plates (2102), and a long space for accommodating the circulating steel cable (1504) is opened at the intersection of the ear plates (2102) and the lower part of the circulating steel cable (1504). Clamps are arranged on the circulating steel cable (1504) on both sides of any one of the ear plates (2102), and the two clamps are used to fix the radar bracket (21) on the circulating steel cable (1504).

4. The mobile wireless array radar wave online flow measurement system according to claim 3, characterized in that: A monitoring module (23) and a first wireless communication module (24) are provided at the bottom of the radar bracket (21), and a first solar panel (22) is provided at the top of the radar bracket (21), wherein the first solar panel (22) is electrically connected to the monitoring module (23) and the first wireless communication module (24).

5. The mobile wireless array radar wave online flow measurement system according to claim 4, characterized in that: The monitoring module (23) includes a radar velocity meter (2301), a radar flow meter (2302) and a positioning sensor (2303).

6. The mobile wireless array radar wave online flow measurement system according to claim 1, characterized in that: A second solar panel (34) is provided on the outer side of the first vertical pole (11) near the top, and the second solar panel (34) is electrically connected to the control circuit board (33).

7. The mobile wireless array radar wave online flow measurement system according to claim 6, characterized in that: The control circuit board (33) includes a microcontroller (3301) and a 485 acquisition circuit (3302). The 485 acquisition circuit (3302) includes a transceiver chip (33021) and a protection circuit (33022). Pin 8 of the transceiver chip (33021) is connected to the second solar panel (34). Pin 5 of the transceiver chip (33021) is grounded. A capacitor C39 is connected between pin 8 and pin 5. Pins 6 and 7 of the transceiver chip (33021) are connected to a connector, which is connected to an external device. The protection circuit (33022) is arranged between the microcontroller (3301) and the connector.

8. The mobile wireless array radar wave online flow measurement system according to claim 7, characterized in that: Pin 1 of the second wireless communication module (32) is connected to the second solar panel (34), pin 2 of the second wireless communication module (32) is grounded, pin 3 of the second wireless communication module (32) is connected to pin 33 of the microcontroller (3301), pin 4 of the second wireless communication module (32) is connected to pin 32 of the microcontroller (3301), pin 5 of the second wireless communication module (32) is connected to pin 31 of the microcontroller (3301), pin 6 of the second wireless communication module (32) is connected to pin 36 of the microcontroller (3301), and pins 35-39 on the microcontroller (3301) are respectively connected to pins 7, 8, 9, 10 and 26 of the second wireless communication module (32).

9. The mobile wireless array radar wave online flow measurement system according to claim 8, characterized in that: Pin 31 of the microcontroller (3301) is connected to pin 1 of the transceiver chip (33021), pin 30 of the microcontroller (3301) is connected to pin 4 of the transceiver chip (33021), and pin 18 of the microcontroller (3301) is connected to pins 2 and 3 of the transceiver chip (33021).

10. A mobile wireless array radar wave online flow measurement system according to any one of claims 1 to 7, characterized in that: The microcontroller (3301) is provided with a flow rate calculation system (40), and the flow rate calculation system (40) includes: The measuring point dynamic deployment module (41) establishes a river cross-section coordinate system based on the wireless flow measurement module (20), obtains the flow velocity at any two adjacent wireless flow measurement modules (20), determines the flow velocity difference between the two, and controls the cableway assembly (15) to drive the wireless flow measurement module (20) to move if the flow velocity difference is higher than a set threshold. After the movement is completed, the flow velocity difference is repeatedly calculated with the previous data until the flow velocity difference is lower than the set threshold. A cross-sectional flow velocity calculation module (42) calculates the water flow rate in the interval area between two adjacent wireless flow measurement modules (20), thereby obtaining the overall flow rate of the river; The auxiliary calibration module (43) obtains the flow velocity of the floating body on the water surface, and then uses a velocity calibration algorithm to calibrate the flow velocity of the floating body to the flow velocity value obtained by the dynamic deployment module (41) of the measuring point to ensure that the floating body is within the range of the flow velocity.

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