Pool water level detection device

By introducing filtering and diversion structures into the water level detection device of the water pool, combined with dual detection components and a remote monitoring system, the problems of traditional water level detection devices being susceptible to contamination and having large errors in chicken feed factories are solved, and highly accurate and stable water level monitoring is achieved.

CN120651319APending Publication Date: 2025-09-16SHANXI JINLONG BREEDING CO LTD
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Patent Information

Application Number
CN202510952209.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-10
Publication Date
2025-09-16

AI Technical Summary

Technical Problem

Traditional water level detection devices in chicken feed factory pools are susceptible to contamination, mechanical structure jamming, large electrode sensor errors, and electrolytic corrosion problems, resulting in inaccurate monitoring and frequent equipment maintenance.

Method used

A pool water level detection device was designed, which included a filtration component, a diversion part, a sedimentation tank, a water level detection component, and a float detection component. Filtering and diversion were used to prevent the entry of impurities. An ultrasonic sensor and float detection were combined to achieve double calibration. Sensing, control, and network layers were set up for data processing and remote monitoring.

Benefits of technology

It improves the accuracy and stability of water level monitoring, reduces equipment damage and maintenance frequency, realizes remote real-time supervision and control, and solves regional and geographical restrictions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of water level detection, and provides a pool water level detection device which comprises a filter assembly, a flow guide part, a sedimentation tank and a detection module. A water inlet pipe inserted into the opening of the sedimentation tank is arranged on the flow guide part, a storage tank is defined between the flow guide part and the sedimentation tank, and a floating ball detection assembly arranged in the height direction of the storage tank is arranged in the storage tank. A water level detection assembly is further arranged in the storage pool, and a connecting rod is arranged between the water level detection assembly and the floating ball detection assembly. A water level sensor and indicator lamps are arranged in the water level detection assembly, the water level sensor is provided with a plurality of sensing sections, and when the water level covers one sensing section, the corresponding indicator lamp is lightened; a height sensor is arranged on the connecting rod, and the detection module is used for receiving signals of the water level sensor and the height sensor, converting the signals into digital signals and alarm signals through PLC data and transmitting the digital signals and the alarm signals to a computer end. According to the invention, the water level of the pool is accurately detected, remote supervision and control are realized, and the limitation of regions and territories is solved.
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Description

Technical Field

[0001] The present invention relates to the technical field of water level monitoring, in particular to a water level detection device for a pool. Background Art

[0002] Water level detection in a water tank can monitor water level changes in real time to prevent the tank from drying up or overflowing. A drying tank can affect the normal production and storage of feed, while an overflow can lead to resource waste and environmental pollution. Water level detection allows timely measures to ensure the water level in the tank is within a safe range, ensuring production safety.

[0003] Furthermore, because chicken feed plant pools store processing water, the water often becomes turbid due to floating feed debris and grease. Traditional float-type or electrode-type sensors are susceptible to contamination, and electrode-type sensors are subject to electrolytic corrosion. Furthermore, impurities such as microparticles and feed debris generated during feed processing can easily cause the mechanical structure of the monitoring equipment to become stuck. Existing technologies have caused float-type sensors to become stuck and unable to function properly, resulting in detection failures.

[0004] In addition, due to the high hardness of the water, the electrode probe produces a certain amount of scale every month, the monitoring error of the electrode sensor is large, and the growth of algae will block the pressure guide hole on the pressure sensor, requiring frequent maintenance. Summary of the Invention

[0005] In view of this, the present invention aims to propose a pool water level detection device, which can accurately detect the pool water level and realize remote supervision and control to solve regional and geographical limitations.

[0006] To achieve the above object, the technical solution of the present invention is achieved as follows: A water level detection device for a water pool comprises a filter assembly arranged at a water inlet of the water pool, a flow guide portion arranged below the filter assembly, a sedimentation tank arranged at the bottom of the water pool, and a detection module; The guide portion is provided with a water inlet pipe inserted into the opening of the sedimentation tank, and a storage tank is formed between the guide portion and the sedimentation tank. A float detection assembly is provided in the storage tank along its height direction; A water level detection assembly is also provided in the storage tank, and a connecting rod is provided between the water level detection assembly and the float detection assembly; The water level detection assembly is provided with a water level sensor and an indicator light connected to the water level sensor. The water level sensor is provided with a plurality of sensing segments. When the water level covers one of the sensing segments, the corresponding indicator light is lit. A height sensor is provided on the connecting rod, and the detection module is used to receive signals from the water level sensor and the height sensor, convert them into digital signals and alarm signals through PLC data, and transmit them to the computer terminal.

[0007] Furthermore, the detection module includes a sensing layer, a control layer, a monitoring layer and a network layer; The sensing layer includes the water level sensor, an ultrasonic sensor disposed in the storage tank, and a signal conditioning circuit for filtering and amplifying the original signal; The control layer includes an analog input module for receiving signals from the water level sensor and the ultrasonic sensor, a communication module for communicating with the host computer via RS485, and a programming module for implementing AD conversion, range calibration, and data preprocessing; The monitoring layer includes configuration software for establishing OPC communication with the control layer and realizing manual interaction function; The network layer is used to implement remote access.

[0008] Furthermore, the detection device also includes an alarm module; The monitoring layer also includes a human-machine interface and a database. The human-machine interface is provided with an interface for dynamically displaying a water level curve, an interface for digitally displaying the current water level value, and an alarm threshold setting; When the signal value detected by the control layer exceeds the alarm threshold, the alarm module is activated and an alarm is issued through sound, light or text message; The database is used to store alarm information.

[0009] Furthermore, the water level sensor includes a first transparent tube fixed in the water pool, and a signal line arranged in the first transparent tube; a plurality of the signal lines are arranged in parallel, and the bottom ends of the plurality of the signal lines are arranged in a stepped manner from top to bottom; The interior of the first transparent tube is in communication with the storage tank. When the water level in the storage tank covers the bottom ends of different signal lines, the indicator lights electrically connected to the covered signal lines light up.

[0010] Furthermore, the float detection assembly includes a second transparent tube arranged along the height of the pool, and a float arranged in the second transparent tube, the bottom of the second transparent tube is connected to the storage tank, one end of the connecting rod is fixed to the float, and the other end of the connecting rod is sleeved on the first transparent tube; Scale lines are provided on the second transparent tube and the first transparent tube.

[0011] Furthermore, the guide part includes a horizontal pipe arranged along the length direction of the water pool, and a first vertical pipe and a second vertical pipe connected to both ends of the horizontal pipe, the lower end of the first vertical pipe is inserted into the opening of the sedimentation tank, the water inlet pipe is connected to the first vertical pipe, and a constant flow valve is provided on the water inlet pipe.

[0012] Furthermore, the end of the second vertical pipe extends to the bottom of the storage tank, and the second vertical pipe is attached to the side wall of the tank, and a water outlet is provided in the storage tank.

[0013] Furthermore, the water pool includes a top plate and a base with an upper opening, the top plate is provided with a water inlet funnel, and the water inlet is formed on the top plate; the filter assembly includes a driving portion provided on the upper part of the water pool, an agitating shaft provided at the power output end of the driving portion, a screening portion connected to the top plate, and an agitating plate sleeved on the agitating shaft; The water flows out from the screening part after being stirred.

[0014] Furthermore, the guide portion further includes a partition plate, a guide channel is formed between the partition plate, the base body and the top plate, and the guide channel is connected to the opening of the sedimentation tank.

[0015] Furthermore, the stirring shaft is also sleeved with a downwardly protruding arc plate, and the screening part includes a first screen mesh and a second screen mesh sleeved inside and outside, and a debris storage channel is provided between the first screen mesh and the second screen mesh; The mesh size of the first screen is larger than that of the second screen. The end of the arc plate close to the water surface is provided with a guide seat arranged along its width direction. One end of the guide seat is inserted into the first screen. When the arc plate rotates, debris flows into the debris storage channel through the guide seat.

[0016] Compared with the prior art, the present invention has the following advantages: The pool water level detection device of the present invention employs a filter assembly at the pool's water inlet to pre-filter incoming water, preventing debris from the feed from entering the reservoir and potentially damaging or blocking the detector. A diversion unit is also provided to direct incoming water to a sedimentation tank at the bottom of the pool. The settled water is then extracted through an inlet pipe and gradually directed into the reservoir. The inlet ends of both the water level detection assembly and the float detection assembly are located within the reservoir, preventing water level fluctuations caused by incoming water from affecting the accuracy of the detected readings.

[0017] In addition, a water level detection component and a float detection component are set at the same time, and a connecting rod is set between the two. By visually comparing the detection structures of the two different detection components, the error in water level height can be further verified to avoid detection errors caused by local water level changes.

[0018] In addition, this embodiment also sets up a detection module including a sensing layer, a control layer, a monitoring layer and a network layer. The detection data is collected through the sensing layer, and the data is converted and transmitted to the monitoring layer through the control layer. The control layer converts the electrical signals and analog signals into human-computer interaction graphics of the monitoring layer through configuration, thereby achieving intuitive display and realizing remote supervision and control through the network layer to solve regional and geographical limitations. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings, which constitute part of the present invention, are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings: Figure 1 This is a schematic structural diagram of a pool water level detection device according to an embodiment of the present invention; Figure 2 A circuit diagram of a water level detection assembly according to an embodiment of the present invention; Figure 3 This is a cross-sectional view of the connection between the arc-shaped plate and the stirring shaft according to an embodiment of the present invention; Figure 4 A schematic top view of a filter assembly according to an embodiment of the present invention; Figure 5 This is a schematic front cross-sectional view of the filter assembly according to an embodiment of the present invention.

[0020] Description of reference numerals: 1. Water tank; 2. Filter assembly; 3. Diversion unit; 4. Sedimentation tank; 5. Water level sensor; 6. Storage tank; 7. Float detection assembly; 8. Constant flow valve; 9. Connecting rod; 10. Indicator light; 11. Height sensor; 101. Water inlet; 102. Water outlet; 103. Top plate; 104. Base; 105. Water inlet funnel; 201, driving unit; 202, stirring shaft; 203, screening unit; 204, stirring plate; 205, guide channel; 206, curved plate; 207, guide seat; 208, third screen; 301, horizontal pipe; 302, first vertical pipe; 303, second vertical pipe; 304, partition plate; 305, water inlet pipe; 401. Open your mouth; 701, second transparent tube; 702, float; 2031, first screen; 2032, second screen; 2033, storage channel; 5011, first transparent tube; 5012, signal line. DETAILED DESCRIPTION

[0021] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0022] In the description of the present invention, it should be noted that the terms "upper," "lower," "inner," and "back" and other terms indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] Furthermore, in the description of the present invention, unless otherwise expressly defined, the terms "mounted," "connected," "connect," and "connector" should be interpreted broadly. For example, these terms may refer to fixed, removable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; or internal communication between two components. Those skilled in the art will appreciate the specific meanings of these terms in the present invention based on the specific circumstances.

[0024] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0025] This embodiment relates to a water level detection device for a pool. As a whole, Figure 1 As shown, the detection device includes a filter assembly 2 positioned at the water inlet 101 of a pool 1, a flow guide 3 positioned below the filter assembly 2, a sedimentation tank 4 positioned at the bottom of the pool 1, and a detection module. The flow guide 3 is provided with an inlet pipe 305 that is inserted into the opening 401 of the sedimentation tank 4. The flow guide 3 and the sedimentation tank 4 form a storage tank 6, within which a float detection assembly 7 is positioned along its height. A water level detection assembly is also located within the storage tank 6, with a connecting rod 9 interposed between the water level detection assembly and the float detection assembly 7.

[0026] In addition, the water level detection component is provided with a water level sensor 5 and an indicator light 10 connected to the water level sensor 5. The water level sensor 5 is provided with multiple sensing segments. When the water level covers one of the sensing segments, the corresponding indicator light 10 lights up; a height sensor 11 is provided on the connecting rod 9, and the detection module is used to receive signals from the water level sensor 5 and the height sensor 11, convert them into digital signals and alarm signals through PLC data, and transmit them to the computer end.

[0027] The pool water level detection device of this embodiment pre-filters the water entering the pool 1 by installing a filter assembly 2 at the water inlet 101 of the pool 1 to prevent debris mixed in with feed from entering the storage tank 6 and causing damage or jamming of the detection components. A diversion unit 3 is also provided to guide the incoming water to the sedimentation tank 4 at the bottom of the pool 1. The settled water is then extracted through an inlet pipe 305 and gradually directed into the storage tank 6. The water inlet ends of both the water level detection assembly and the float detection assembly 7 are located within the storage tank 6 to prevent water level fluctuations caused by water inflow from affecting the accuracy of the detection values.

[0028] In addition, a water level detection component and a float detection component 7 are set at the same time, and a connecting rod 9 is set between the two. By visually comparing the detection structures of the two different detection components, the error in the water level height can be further checked to avoid detection errors caused by local water level changes.

[0029] Based on the above overall introduction, an exemplary structure of the pool water level detection device of this embodiment is as follows: Figure 1 As shown, the sedimentation tank 4 is a long rectangular structure laid flat on the bottom of the water tank 1, and a rectangular opening 401 is provided at one end of the sedimentation tank 4. As described below, in order to form the water storage tank 1 into a closed space, the guide part 3 also includes a partition plate 304, and a guide channel 205 is constructed between the partition plate 304 and the base 104 and the top plate 103. The guide channel 205 is connected to the opening 401 of the sedimentation tank 4.

[0030] Sedimentation tank 4 is laid out flat along the cross-section of pool 1. A partition plate 304 is attached to the upper portion of sedimentation tank 4 in an L-shaped pattern to form storage tank 6. An inlet pipe 305 is located outside storage tank 6 and is used to pump water from sedimentation tank 4 into storage tank 6. This ensures smooth water inflow into storage tank 6 and prevents errors in water level detection caused by fluctuations in the water flow within the tank. This arrangement enables synchronous and continuous water inflow and outflow, and maintains accurate water level detection within storage tank 6.

[0031] As a preferred embodiment, the detection module includes a sensing layer, a control layer, a monitoring layer, and a network layer. The sensing layer includes a water level sensor, an ultrasonic sensor located within the storage tank 6, and a signal conditioning circuit for filtering and amplifying the raw signals. The control layer includes an analog input module for receiving signals from the water level sensor and ultrasonic sensor, a communication module for communicating with a host computer via RS485, and a programming module for performing A / D conversion, range calibration, and data preprocessing. The monitoring layer includes configuration software for establishing OPC communication with the control layer and implementing human interaction. The network layer enables remote access.

[0032] The sensing layer periodically collects data through sensors, filters and amplifies it through signal conditioning circuits, and finally outputs a standardized analog signal. Accurate perception of the physical quantity of the water level is achieved through the installation of a water level detection component and a float detection component 7, as well as monitoring by ultrasonic sensors. The control layer receives the signals from each of these sensors, converts them using the range conversion formula: H = (Raw - 5530) × 10 / 27648, and compares them with the measured water level according to the alarm threshold. If the threshold is exceeded, an alarm is activated and the water pump is stopped.

[0033] Furthermore, the detection device also includes an alarm module. The monitoring layer also includes a human-machine interface and a database. The human-machine interface is equipped with an interface for dynamically displaying the water level curve, an interface for digitally displaying the current water level value, and an alarm threshold setting. When the signal value detected by the control layer exceeds the alarm threshold, the alarm module is activated and an alarm is issued through sound, light, or text message. The database is used to store the alarm information. The alarm module of this embodiment includes sound and light alarm lights, which, combined with real-time data transmission at the network layer, enable monitoring of on-site operations from the monitoring room.

[0034] In addition, this embodiment also sets up a detection module including a sensing layer, a control layer, a monitoring layer and a network layer. The detection data is collected through the sensing layer, and the data is converted and transmitted to the monitoring layer through the control layer. The control layer converts the electrical signals and analog signals into human-computer interaction graphics of the monitoring layer through configuration, thereby achieving intuitive display and realizing remote supervision and control through the network layer to solve regional and geographical limitations.

[0035] As a preferred embodiment, Figure 1 As shown, the water level sensor 5 includes a first transparent tube 5011 fixed within the water tank 1 and signal lines 5012 disposed within the first transparent tube 5011. The signal lines 5012 are arranged in parallel, with their bottoms arranged in a stepped pattern from top to bottom. The interior of the first transparent tube 5011 is connected to the reservoir 6. When the water level within the reservoir 6 covers the bottom of a different signal line 5012, the indicator light 10 electrically connected to the covered signal line 5012 illuminates.

[0036] The signal line 5012 of this embodiment adopts a flat cable, and the coil is exposed in the first transparent tube 5011 at the end of the flat cable. When the water level enters the corresponding flat cable position of the first transparent tube 5011, the indicator light 10 electrically connected to the flat cable end below the water layer lights up. Such an arrangement can further confirm the water level of the pool 1 on site, and can provide a more effective indication basis for the investigation of receiving the alarm signal at the remote end, which is convenient for on-site investigation and maintenance.

[0037] like Figure 2As shown in the figure, the circuit diagram of the water level detection component of this embodiment is connected to a breadboard on the outside of the water tank 1. The signal line 5012 of this embodiment adopts a 9-pin cable corresponding to eight water levels. One end of the signal line 5012 is connected to the corresponding contact of the breadboard. An indicator light 10 is set on the breadboard, and a current limiting resistor is connected in series with the indicator light 10. A power line is provided on the breadboard. In order to facilitate the connection of eight gears and the circuit of the indicator light 10, a Darlington driver is set on the breadboard. The positive poles of each indicator light 10 circuit are all connected together, and the cable is connected to the other end of the driver input.

[0038] In other embodiments, a camera may be installed on the breadboard to remotely monitor the status of the water level detection assembly on site, which may serve as a basis for determining alarms and abnormalities.

[0039] Furthermore, to further ensure the accuracy of detection results, the float detection assembly 7 includes a second transparent tube 701 arranged along the height of the pool 1, and a float 702 located within the second transparent tube 701. The bottom of the second transparent tube 701 is connected to the storage tank 6. One end of a connecting rod 9 is fixed to the float 702, and the other end of the connecting rod 9 is sleeved onto the first transparent tube 5011. Scale lines are provided on the second transparent tube 701 and the first transparent tube 5011. A transparent indicator is provided at the second transparent tube 701 of the pool 1. The bottom of the second transparent tube 701 has a water inlet. As water is drained from the diversion section 3, the water level gradually rises from the pool bottom. At this point, the water level within the second transparent tube 701 is the same as that in the external pool, allowing for visual inspection. The float 702 is arranged in the second transparent tube 701. A connecting shaft passes through the center of the float 702. One end of the connecting shaft passes through the second transparent tube 701 and is connected to the connecting rod 9. When monitoring is carried out on site, it is possible to intuitively check whether the detection structures of the float detection component 7 and the water level detection component are unified, thereby improving the accuracy of water level monitoring through double detection.

[0040] Furthermore, if Figure 1 As shown, the diversion portion 3 includes a horizontal pipe 301 arranged along the length of the pool 1, and a first vertical pipe 302 and a second vertical pipe 303 connected to both ends of the horizontal pipe 301. The lower end of the first vertical pipe 302 is inserted into the opening 401 of the sedimentation tank 4. The water inlet pipe 305 is connected to the first vertical pipe 302 and is provided with a constant flow valve 8. By providing the constant flow valve 8, the stability of the water flow can be improved, avoiding the situation where the water level measurement is inaccurate due to the fluctuation of the water inlet 101. In addition, in order to facilitate the extraction of water into the storage tank 6, a water pump can be added to the second vertical pipe 303.

[0041] In addition, if Figure 1As shown, the end of the second vertical pipe 303 extends to the bottom of the storage tank 6, and the second vertical pipe 303 is close to the side wall of the pool 1. The storage tank 6 is provided with a water outlet 102. By arranging the water inlet 101 and the water outlet 102 near the side wall of the pool 1, the stability of the water flow entering and leaving can be increased, and the defect of interfering with the water level detection component can be reduced.

[0042] like Figures 3 to 5 As shown, the water tank 1 includes a top plate 103 and a base 104 with an upper opening 401. The top plate 103 is provided with a water inlet funnel 105, and the water inlet 101 is formed on the top plate 103. The filter assembly 2 includes a drive unit 201 provided on the upper portion of the water tank 1, an agitation shaft 202 provided at the power output end of the drive unit 201, a screening unit 203 connected to the top plate 103, and an agitation plate 204 sleeved on the agitation shaft 202. After agitation, the water flows out of the screening unit 203. In this embodiment, the drive unit 201 adopts a servo motor to drive the agitation plate 204 to rotate. The agitation plate 204 scrapes the inner wall of the screening unit 203 to prevent clogging of the screening unit 203.

[0043] Furthermore, if Figures 3 to 5 As shown, a downwardly protruding curved plate 206 is also sleeved on the stirring shaft 202. The screening portion 203 includes a first screen 2031 and a second screen 2032, which are sleeved together. A debris storage channel 2033 is located between the first screen 2031 and the second screen 2032. The mesh openings of the first screen 2031 are larger than those of the second screen 2032. The end of the curved plate 206 closest to the water surface is provided with a guide seat 207 extending along its width. One end of the guide seat 207 is inserted into the first screen 2031. When the curved plate 206 rotates, debris flows through the guide seat 207 and into the debris storage channel 2033.

[0044] The curved plate 206 of this embodiment is made of rubber to increase the friction between impurities and the curved plate 206. A third screen 208 is provided at one end of the guide seat 207. The mesh of the third screen 208 is larger than that of the first screen 2031. A through slot is formed in the guide seat 207. During the rotation of the curved plate 206, impurities such as feed floating on the upper portion are drawn into the slot by the rotational force. Due to the continuous impact of the water flow, they flow along the slot into the impurity storage channel 2033. Some larger impurities enter the impurity storage channel 2033, while smaller impurities can be intercepted by the second screen 2032, thereby improving the cleanliness of the water in the water storage tank 1.

[0045] In addition, if Figures 4 and 5As shown, a fixing plate is further provided on the upper part of the second screen 2032 and the first screen 2031, and the fixing plate is bolted to the top plate 103, so as to facilitate the disassembly of the filter assembly 2, and the second screen 2032 is provided to be plugged and fixed to the fixing plate, and the impurities in the storage channel 2033 are cleaned regularly after disassembly to ensure the use of the detection device.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pool water level detection device, characterized in that: It comprises a filter assembly (2) arranged at a water inlet (101) of a water pool (1), a flow guide (3) arranged below the filter assembly (2), a sedimentation tank (4) arranged at the bottom of the water pool (1), and a detection module; The guide portion (3) is provided with a water inlet pipe (305) inserted into the opening (401) of the sedimentation tank (4); a storage tank (6) is formed between the guide portion (3) and the sedimentation tank (4); and a float detection assembly (7) is provided in the storage tank (6) along its height direction; A water level detection assembly is also provided in the storage tank (6), and a connecting rod (9) is provided between the water level detection assembly and the float detection assembly (7); The water level detection assembly is provided with a water level sensor (5) and an indicator light (10) connected to the water level sensor (5). The water level sensor (5) is provided with a plurality of sensing segments. When the water level covers one of the sensing segments, the corresponding indicator light (10) lights up. A height sensor (11) is provided on the connecting rod (9), and the detection module is used to receive signals from the water level sensor (5) and the height sensor (11), convert them into digital signals and alarm signals through PLC data, and transmit them to the computer terminal.

2. The pool water level detection device according to claim 1, characterized in that: The detection module includes a sensing layer, a control layer, a monitoring layer and a network layer; The sensing layer includes the water level sensor, an ultrasonic sensor arranged in the storage tank (6), and a signal conditioning circuit for filtering and amplifying the original signal; The control layer includes an analog input module for receiving signals from the water level sensor and the ultrasonic sensor, a communication module for communicating with the host computer via RS485, and a programming module for implementing AD conversion, range calibration, and data preprocessing; The monitoring layer includes configuration software for establishing OPC communication with the control layer and realizing manual interaction function; The network layer is used to implement remote access.

3. The pool water level detection device according to claim 2, characterized in that: The detection device also includes an alarm module; The monitoring layer also includes a human-machine interface and a database. The human-machine interface is provided with an interface for dynamically displaying a water level curve, an interface for digitally displaying the current water level value, and an alarm threshold setting; When the signal value detected by the control layer exceeds the alarm threshold, the alarm module is activated and an alarm is issued through sound, light or text message; The database is used to store alarm information.

4. The pool water level detection device according to claim 3, characterized in that: The water level sensor (5) comprises a first transparent tube (5011) fixed in the water pool (1), and a signal line (5012) arranged in the first transparent tube (5011); a plurality of the signal lines (5012) are arranged in parallel, and the bottom ends of the plurality of the signal lines (5012) are arranged in a stepped manner from top to bottom; The interior of the first transparent tube (5011) is in communication with the storage tank (6). When the water level in the storage tank (6) covers the bottom ends of different signal lines (5012), the indicator light (10) electrically connected to the covered signal line (5012) lights up.

5. The pool water level detection device according to claim 4, characterized in that: The float detection assembly (7) comprises a second transparent tube (701) arranged along the height of the pool (1), and a float (702) arranged in the second transparent tube (701), the bottom of the second transparent tube (701) is connected to the storage pool (6), one end of the connecting rod (9) is fixed to the float (702), and the other end of the connecting rod (9) is sleeved on the first transparent tube (5011); Scale lines are provided on the second transparent tube (701) and the first transparent tube (5011).

6. The pool water level detection device according to claim 5, characterized in that: The guide portion (3) comprises a horizontal pipe (301) arranged along the length direction of the water tank (1), and a first vertical pipe (302) and a second vertical pipe (303) connected to both ends of the horizontal pipe (301). The lower end of the first vertical pipe (302) is inserted into the opening (401) of the sedimentation tank (4). The water inlet pipe (305) is connected to the first vertical pipe (302). A constant flow valve (8) is provided on the water inlet pipe (305).

7. The pool water level detection device according to claim 6, characterized in that: The end of the second vertical pipe (303) extends to the bottom of the storage tank (6), and the second vertical pipe (303) is attached to the side wall of the water tank (1). A water outlet (102) is provided in the storage tank (6).

8. The pool water level detection device according to claim 7, characterized in that: The water pool (1) comprises a top plate (103) and a base (104) with an upper opening (401); a water inlet funnel (105) is provided on the top plate (103); and the water inlet (101) is formed on the top plate (103); the filter assembly (2) comprises a driving portion (201) provided on the upper portion of the water pool (1), an agitating shaft (202) provided at the power output end of the driving portion (201), a screening portion (203) connected to the top plate (103), and an agitating plate (204) sleeved on the agitating shaft (202); The water flows out from the screening portion (203) after being stirred.

9. The pool water level detection device according to claim 8, characterized in that: The guide portion (3) further comprises a partition plate (304), a guide channel (205) is formed between the partition plate (304), the base (104) and the top plate (103), and the guide channel (205) is in communication with the opening (401) of the sedimentation tank (4).

10. The pool water level detection device according to claim 9, characterized in that: The stirring shaft (202) is also sleeved with a downwardly protruding arc plate (206), and the screening portion (203) comprises a first screen (2031) and a second screen (2032) that are sleeved inside and outside, with a debris storage channel (2033) provided between the first screen (2031) and the second screen (2032); The mesh of the first screen (2031) is larger than the mesh of the second screen (2032); an end of the arc-shaped plate (206) close to the water surface is provided with a guide seat (207) arranged along its width direction; one end of the guide seat (207) is inserted into the first screen (2031); when the arc-shaped plate (206) rotates, debris flows into the debris storage channel (2033) through the guide seat (207).

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