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CN-122016011-A - Intelligent water level detection device and water level detection method

CN122016011ACN 122016011 ACN122016011 ACN 122016011ACN-122016011-A

Abstract

The application relates to an intelligent water level detection device and a water level detection method, which relate to the technical field of water level detection and comprise a base station, wherein a support column is fixedly connected to one side of the top of the base station, a side frame is fixedly connected to one side of the top end of the support column, one side of the side frame is connected with a detection seat through an adjusting component, the bottom end of the detection seat is fixedly connected with an ultrasonic detector, one side of the ultrasonic detector is provided with a level meter, one side of the bottom of the detection seat is fixedly connected with a linkage detection mechanism, one side of the base station is provided with a controller, the intelligent water level detection device performs main non-contact ranging through the ultrasonic detector, the linkage detection mechanism is used as a contact type measurement unit which can be placed down, and the controller is used as a central brain to coordinate the work of all parts, integrates non-contact measurement, gesture monitoring and intelligent control, and realizes an intelligent monitoring structure with compact structure and composite functions.

Inventors

  • YUAN YIN
  • HUANG WEIXIONG
  • CHEN BIAO

Assignees

  • 广东正方圆工程咨询有限公司

Dates

Publication Date
20260512
Application Date
20260206

Claims (10)

  1. 1. An intelligent water level detection device comprises a base station (1) and is characterized in that a support column (2) is fixedly connected to one side of the top of the base station (1), a side frame (3) is fixedly connected to one side of the top of the support column (2), a detection seat (5) is connected to one side of the side frame (3) through an adjusting component (4), an ultrasonic detector (6) is fixedly connected to the bottom of the detection seat (5), a level meter (7) is mounted to one side of the ultrasonic detector (6), a linkage detection mechanism (8) is fixedly connected to one side of the bottom of the detection seat (5), and a controller (101) is arranged on one side of the base station (1).
  2. 2. The intelligent water level detection device according to claim 1, wherein the adjusting component (4) comprises a fixed frame (401), an electric push rod (402), a rotating shaft (403), a sliding groove (404) and a guide sliding block (405), the end part of the side frame (3) is fixedly connected with the fixed frame (401), one side of the fixed frame (401) is hinged with the detection seat (5) through the rotating shaft (403), one side of the top of the fixed frame (401) is fixedly connected with the electric push rod (402), the outer wall of one side of the detection seat (5) is provided with the sliding groove (404), the inside of the sliding groove (404) is connected with the guide sliding block (405) in a sliding mode, and the end part of the electric push rod (402) is hinged with the guide sliding block (405) through a movable shaft.
  3. 3. The intelligent water level detection device according to claim 2, wherein the linkage detection mechanism (8) comprises a fixed seat (81), a driving rod (9), a storage barrel (10), a pull wire (11), a balancing weight (12), a displacement sensor (13), a first capacitance sensor (14), an auxiliary barrel (15), a floater (16) and a second capacitance sensor (17), the fixed seat (81) is fixedly connected to one side of the bottom of the detection seat (5), the driving rod (9) is connected to the inner wall of the fixed seat (81) through a bearing, the storage barrel (10) is fixedly connected to the outer wall of the middle part of the driving rod (9), a pull wire (11) is connected to the outer wall of the storage barrel (10) in a surrounding mode, the balancing weight (12) is fixedly connected to the bottom end of the pull wire (11), the displacement sensor (13) is fixedly connected to the inside of the balancing weight (12), and the first capacitance sensor (14) is arranged on one side of the displacement sensor (13).
  4. 4. The intelligent water level detection device according to claim 3, wherein the outer wall of the stay wire (11) is sleeved with an auxiliary cylinder (15), a plurality of groups of auxiliary cylinders (15) are arranged on the outer wall of the storage cylinder (10) in a winding manner, adjacent auxiliary cylinders (15) are hinged, a floater (16) is sleeved on the outer wall of each auxiliary cylinder (15), one side of each floater (16) is fixedly connected with a second capacitance sensor (17), and the second capacitance sensors (17) are matched with the first capacitance sensors (14).
  5. 5. The intelligent water level detection device according to claim 3, wherein a servo motor (18) is fixedly connected to the outer wall of one side of the fixing seat (81), the output end of the servo motor (18) is fixedly connected with the driving rod (9), a positioning ring (19) is fixedly connected to one side of the bottom of the fixing seat (81), the positioning ring (19) is sleeved outside the auxiliary cylinder (15), and an electric clamp (20) is arranged in the middle of the positioning ring (19).
  6. 6. The intelligent water level detection device according to claim 4, wherein a tensioning box (21) is fixedly connected to the outer wall of one side of the accommodating barrel (10), one end, far away from the balancing weight (12), of the pull wire (11) penetrates through the accommodating barrel (10) and extends into the tensioning box (21), a tensioning roller (22) is connected to the inner wall of the middle of the tensioning box (21) through a bearing, the pull wire (11) is fixedly connected with the tensioning roller (22), the pull wire (11) is wound on the outer wall of the tensioning roller (22), a tensioning motor (23) is fixedly connected to the top of the tensioning box (21), and the output end of the tensioning motor (23) is connected with the tensioning roller (22).
  7. 7. The intelligent water level detection device according to claim 4, wherein a data fusion module (24) is arranged on one side of the controller (101), a communication module (241) is arranged on one side of the data fusion module (24), and the data fusion module (24) is electrically connected with the ultrasonic detector (6), the displacement sensor (13), the first capacitance sensor (14) and the second capacitance sensor (17).
  8. 8. The intelligent water level detection device according to claim 5, wherein the driving box (25) is fixedly connected to the outer wall of one side, far away from the servo motor (18), of the fixing seat (81), one end of the driving rod (9) penetrates through the fixing seat (81) and extends into the driving box (25), the driving gear (26) is fixedly connected to the end portion of the driving rod (9), the linkage rod (27) is connected to one side of the inner wall of the driving box (25) through a bearing, and the driven gear (28) is fixedly connected to the middle portion of the linkage rod (27).
  9. 9. The intelligent water level detection device according to claim 8, wherein the driven gear (28) is meshed with the driving gear (26), the diameter of the driven gear (28) is smaller than that of the driving gear (26), one end of the linkage rod (27) penetrates through the driving box (25) to extend to the outside, the end of the linkage rod (27) is fixedly connected with a spiral blade fan (29), and the spiral blade fan (29) is arranged on one side of the emitting surface of the ultrasonic detector (6).
  10. 10. A detection method of an intelligent water level detection device, to which the intelligent water level detection device according to any one of claims 1 to 9 is applied, characterized in that the detection method comprises the following steps: The method comprises the steps that firstly, a reference calibration is carried out, a controller (101) starts a system self-test to confirm the states of each sensor and an executing mechanism, then, a servo motor (18) is controlled to drive a driving rod (9) to rotate, a pull wire (11) wound on a storage barrel (10) is released, a balancing weight (12) sinks under the action of gravity to drive a chain body consisting of a plurality of sections of hinged auxiliary barrels (15) and a floater (16) to be vertically placed into water, meanwhile, the controller (101) reads data of a level meter (7), and drives a detection seat (5) to rotate around a rotating shaft (403) through the expansion and contraction of an electric push rod (402) in a driving adjusting assembly (4), and finally, the emission surface of an ultrasonic detector (6) is automatically adjusted to be in a horizontal state by utilizing the guiding action of a sliding groove (404) and a guiding sliding block (405), so that the automatic calibration of a measurement reference is completed; Step two, water level detection, after the linkage detection mechanism (8) is put in place, an electric clamp (20) is started to close an auxiliary cylinder (15) at a locking positioning ring (19), a tensioning motor (23) is started to wind a tensioning roller (22) through a controller (101), so that a pull wire (11) is tensioned, under the action of tension of the pull wire (11), all hinged auxiliary cylinders (15) are straightened and aligned, a stable collimation measurement reference shaft is formed, so as to resist water flow impact, bending errors are reduced, in the stable state, ultrasonic waves are emitted through an ultrasonic detector (6) to perform non-contact ranging, the length of the pull wire (11) is measured through a displacement sensor (13), and a first capacitive sensor (14) and a second capacitive sensor (17) on a floater (16) are precisely positioned at the position of the floater (16) through capacitive coupling signals, so that contact water level data are obtained together; Thirdly, data fusion, namely, a data fusion module (24) receives and processes collected multi-source data in real time, data consistency verification and filtering are carried out on measured values of a first capacitive sensor (14) and a second capacitive sensor (17) and detection of an ultrasonic detector (6), and then a self-adaptive weighted fusion algorithm is adopted to fuse non-contact type and contact type measurement results, a final water level value with high reliability is calculated and sent through a communication module (241); And fourthly, cleaning after detection, loosening the pull wire (11) by using a tensioning motor (23) after detection, rolling the pull wire (11) by reversely starting a servo motor (18), and driving a driving gear (26), a driven gear (28) and a linkage rod (27) to rotate while a driving rod (9) rotates to enable a spiral blade fan (29) to rotate, and cleaning the emission surface of the ultrasonic detector (6) by air flow to ensure the cleaning of the signal emission surface during measurement.

Description

Intelligent water level detection device and water level detection method Technical Field The application relates to the technical field of water level detection, in particular to an intelligent water level detection device and a water level detection method. Background The water level monitoring is a core basic work in the fields of hydrology, water conservancy, disaster prevention and reduction and water resource management. The traditional contact type water level measuring device, such as a float type water level gauge and a pressure type water level gauge, has the advantages that although the technology is mature, the sensing part of the device needs to be immersed in water for a long time, and is easily influenced by sediment accumulation, biological attachment, freezing corrosion and water flow impact of a water body, so that the measuring precision is reduced, equipment is frequently damaged, and a special stilling well or underwater fixed structure is usually required to be built for installation and maintenance, so that the cost is high and the flexibility is poor; Non-contact measuring technology, such as ultrasonic wave and radar fluviograph, through measuring the distance of sensor to the surface of water to counter the water level, avoided sensing part and water direct contact, have apparent promotion in the aspect of the reliability, however, ultrasonic fluviograph's performance is easily influenced by environmental humiture, wind and rain and surface of water steam seriously, and the radar fluviograph is more stable, but the cost is higher. Disclosure of Invention The application aims to provide an intelligent water level detection device and a water level detection method. In a first aspect, the present application provides an intelligent water level detection apparatus, which adopts the following technical scheme: The utility model provides an wisdom water level detection device, includes the base station, top one side fixedly connected with support column of base station, top one side fixedly connected with side frame of support column, one side of side frame is connected with through adjusting part and surveys the seat, the bottom fixedly connected with ultrasonic detector who surveys the seat, the spirit level is installed to one side of ultrasonic detector, the bottom one side fixedly connected with linkage detection mechanism who surveys the seat, one side of base station is provided with the controller. Through adopting above-mentioned technical scheme, base station and support column provide firm installation basis, and the side frame extends installation space, and adjusting assembly bears and adjusts the gesture of detecting the seat, and the seat is regarded as core load-carrying platform, and the ultrasonic detector of its bottom carries out main non-contact range finding, and the spirit level provides gesture benchmark, and linkage detection mechanism then is regarded as the contact measuring unit that can transfer, and the controller is regarded as central brain, coordinates all part work, with non-contact measurement, gesture monitoring and intelligent control integration in an organic whole, realizes compact structure, the compound wisdom monitoring structure of function. The adjusting component comprises a fixed frame, an electric push rod, a rotating shaft, a sliding groove and a guide sliding block, wherein the end part of the side frame is fixedly connected with the fixed frame, one side of the fixed frame is hinged with the detection seat through the rotating shaft, one side of the top of the fixed frame is fixedly connected with the electric push rod, the outer wall of one side of the detection seat is provided with the sliding groove, the guide sliding block is connected inside the sliding groove in a sliding manner, and the end part of the electric push rod is hinged with the guide sliding block through a movable shaft. Through adopting above-mentioned technical scheme, when the spirit level detects ultrasonic detector emission face non-level, the controller drives electric putter and stretches out and draws back, electric putter promotes or pulls the direction slider and slides in the spout of surveying the seat, because it is articulated with fixed frame through the rotation axis to survey the seat, the rectilinear motion of direction slider converts into the every single move rotation of surveying the seat around the rotation axis, thereby the angle of accurate adjustment ultrasonic detector, until the spirit level feedback reaches the horizontality, automatic, high accuracy dynamic calibration of ultrasonic detector emission angle has been realized, the spout has constituted stable kinematic pair with the direction slider, stability and accuracy of adjustment process have been ensured, avoid the base station to be in slope department position and lead to the systematic ranging error that the probe emission face inclines to cause, the long-term benchmark reliabili