CN211148436U - Real-time automatic transparency monitoring device for water environment monitoring station - Google Patents
Real-time automatic transparency monitoring device for water environment monitoring station Download PDFInfo
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- CN211148436U CN211148436U CN201921471480.4U CN201921471480U CN211148436U CN 211148436 U CN211148436 U CN 211148436U CN 201921471480 U CN201921471480 U CN 201921471480U CN 211148436 U CN211148436 U CN 211148436U
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Abstract
The utility model relates to a real-time automatic transparency monitoring device of a water environment monitoring station, which comprises a floating plate, a support rod and a movable bracket, wherein the lower end of the support rod is inserted into the water bottom, and the upper end of the support rod is fixed on a platform; the floating plate is sleeved on the support rod and is provided with an image acquisition module; the movable support is sleeved on the support rod and can move up and down, and the sensor and the Samsung disc are arranged at the two ends of the movable support. The utility model discloses a fixed threshold value method and neural network model have realized that the black white piece edge of sai shi dish is automatic to be distinguished, reduce the artificial judgement error of critical point to but automatic light filling reduces the influence that causes because of the natural light changes, acquire through the sensor and remove support to kickboard and submarine distance, obtained important data such as transparency, depth of water and silt degree of depth, compare in current transparency testing arrangement and method, realized that water transparency data is automatic to be acquireed in real time, and is simple and convenient, and the degree of accuracy is high.
Description
Technical Field
The utility model belongs to the environmental engineering field especially relates to a real-time automatic monitoring device of water environment monitoring station transparency.
Background
The water transparency is an important parameter in the water environment index, is one of three relevant indexes commonly adopted by a lake and reservoir water body nutrition condition index (TSI) evaluation method, and has important significance in water environment quality evaluation. At present, most of water environment index detection is equipped with corresponding instruments, real-time and automatic monitoring can be realized, and the change condition of water environment quality can be conveniently mastered in time. However, the determination of the transparency of the water body still adopts a relatively original manual Seitz disk determination method, namely, a tester vertically puts the Seitz disk into the water through a connecting rope until the boundary of a black-white color block is not clear, and at the moment, the transparency is called as the corresponding depth of the Seitz disk. The existing transparency measurement needs human judgment (the black and white color block boundaries on the Seitz disc cannot be distinguished by naked eyes), and the transparency is roughly judged according to the marks on the ropes. When the device is used in practice, the water flow influences the vertical state of the Seitz disc and naked eyes, natural illumination change and difference of the naked eyes influence interpretation of black and white color block boundaries, and reading errors of personnel on marks on ropes are caused, so that the measurement precision is often low, and real-time automatic monitoring cannot be realized.
Chinese patent 201910071824.0 discloses a water depth transparency Securium disc direct reader, which combines a water pressure sensor and a water depth sensor to respectively measure the depth of a transparent disc and the distance from the water bottom, and then converts the depth of the transparency into the water depth, however, the critical point of the disappearance of the black and white block boundary of the Securium disc still needs to be manually judged.
Disclosure of Invention
The utility model aims to solve the technical problem that a real-time automatic monitoring device of water environment monitoring station transparency is provided, have advantages such as survey in real time, simple structure, modularization equipment, can survey the transparency value of lake, river water in real time.
The utility model provides a technical scheme that its technical problem adopted is: a real-time automatic transparency monitoring device for a water environment monitoring station comprises a supporting rod, a floating plate and a movable support, wherein the lower end of the supporting rod is inserted into the water bottom and is fixed by using an underwater pile foundation, and the upper end of the supporting rod is fixed on a platform; the floating plate is provided with two circular openings, one circular opening is sleeved on the support rod, the floating plate is clamped with the support rod through the first clamping ring, the floating plate is prevented from rotating on the water surface, and the other circular opening is used for placing the image acquisition module; the movable support is sleeved on the supporting rod and can move up and down, the two ends of the movable support are respectively provided with a sensor clamping groove, a second clamping ring and a clamping plate, the sensor clamping groove is provided with an upward ultrasonic sensor and a downward ultrasonic sensor, the second clamping ring is used for placing a Samsung disk, the clamping plate is fixed, and the Samsung disk is located under the image acquisition module.
Further, an underwater illuminometer is installed above the clamping plate, the image acquisition module is provided with a light supplementing module, the underwater illuminometer measures the underwater illumination intensity of the depth of the underwater illuminometer and transmits the underwater illumination intensity to the automatic control system in the platform, and the light supplementing module is used for adjusting the image acquisition module.
Further, the movable support is connected with a winch in the platform through a cable to realize the up-and-down movement of the movable support.
Furthermore, the floating plates are two in number, each floating plate is only provided with a circular opening in the center, and the two floating plates are connected through the connectors arranged at the four corners by using cables.
Furthermore, the floating plate can be recovered to the platform through the mooring rope connected with the four-corner interface.
Furthermore, the floating plate is an inflatable raft body made of thermal carbon toughened polymer PVC materials or a hollow floating body prefabricated by HDPE.
Further, the surface of the outer side of the supporting rod is provided with a depth mark.
Furthermore, the support rod is of a square hollow structure made of metal, and an opening at one side is used for placing a cable, a sensor line and the like into the inner side.
The utility model discloses a fixed threshold value method and neural network model, realized that the black white piece edge of sai shi dish is automatic to be distinguished, reduce the artificial judgement error of critical point, and control the automatic light filling of image acquisition module through the illuminometer under water, reduce the influence because of the natural light changes and causes, obtain automatically through ultrasonic sensor and remove support to kickboard and submarine distance, obtained the transparency, important data such as depth of water and silt degree of depth, compare in current transparency testing arrangement and method, realized that water transparency data is automatic to be acquireed in real time, and is simple and convenient, and the degree of accuracy is high.
Drawings
Fig. 1 is a device for automatically monitoring transparency in real time.
1. The device comprises a support rod, 2, a floating plate, 3, a first clamping ring, 4, an image acquisition module, 5, a movable support, 6, a sensor clamping groove, 7, a second clamping ring, 8, a clamping plate, 9, an underwater illuminometer, 10 and a Sai's disk.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
As shown in fig. 1, the present embodiment includes a support bar 1, a floating plate 2, and a moving bracket 5. The lower extreme of bracing piece 1 inserts subaquely to the use pile foundation under water is fixed, and the upper end is fixed on the platform, and 1 outside surface of bracing piece is provided with the degree of depth sign, and bracing piece 1 is square cavity metal material, and there is the degree of depth sign outside surface, and one side opening is used for putting into the inboard with hawser, sensor line etc..
The floating plates 2 are two, the inflatable raft body made of the hot carbon toughening polymerization PVC material or the hollow floating body prefabricated by HDPE is adopted, a circular opening is arranged in the middle of each floating plate 2, and the two floating plates 2 are connected through the connectors arranged at the four corners by using mooring ropes. The circular opening cover of a kickboard 2 is on bracing piece 1 to with this kickboard 2 and 1 block of bracing piece with first snap ring 3, avoid kickboard 2 to rotate at the surface of water, image acquisition module 4 has been placed to the circular opening of another kickboard 2, and image acquisition module 4 has the function of shooing and the integration has the light filling module. The floating plate 2 floats on the water surface of a river or a lake at ordinary times, and when the wind waves on the water surface are large, the mooring ropes connected with the four corner connectors can be recovered to the platform.
Remove 5 covers the position below 2 of kickboard on bracing piece 1, even there is the hawser, drag and drop about the capstan winch in the accessible platform comes, remove 5 both ends of support and be equipped with sensor draw-in groove 6 respectively, second snap ring 7, cardboard 8 and illuminometer 9 under water, sensor draw-in groove 6 has been placed upwards with decurrent ultrasonic sensor, also can be used to place other sensors, second snap ring 7 is used for placing saishi dish 10, and it is fixed to use cardboard 8, illuminometer 9 installs in cardboard 8 top under water, saishi dish 10 is located image acquisition module 4 under. The underwater illuminometer measures the underwater illumination intensity of the depth of the underwater illuminometer and transmits the underwater illumination intensity to the automatic control system in the platform for adjusting the light supplementing module of the image acquisition module, and the upward and downward ultrasonic sensors can measure the distance from the movable support to the floating plate and the water bottom.
When the device is used, a winch in the water environment monitoring platform is driven by a motor to lower a mooring rope, the movable support 5 is driven to move downwards and slowly, the underwater illuminometer 9, the upward and downward ultrasonic sensors and the image acquisition module 4 are started to acquire data, and then the acquired data are transmitted into a single chip microcomputer which is arranged in the water environment monitoring platform and used as an automatic control system. The singlechip adjusts the light supplement intensity of the image acquisition module 4 according to the illumination intensity signal acquired by the underwater illuminometer 9, and automatically analyzes and processes the gray level image acquired by the image acquisition module 4 in real time. When the edge of the black and white block of the Seitz disk 10 cannot be distinguished by adopting a fixed threshold method, the motor is controlled to stop running, the single chip microcomputer records the upward (h1) and downward (h2) heights measured by the ultrasonic sensor at the moment, h1 is the transparency of the water body, h1+ h2 is the depth of the water body, and the difference value between the scale at the outer side of the support rod 1 and the depth of the water body is the sedimentation depth of the sludge at the station. After the measurement is finished, the underwater illuminometer 9, the upward and downward ultrasonic sensors and the image acquisition module 4 are closed, and the motor drives the winch to retract the mooring rope to drive the movable support 1 to return to the initial position upwards.
In the above embodiment, two floating plates 2 may be replaced with one long floating plate 2 having two circular openings.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (8)
1. A real-time automatic transparency monitoring device of a water environment monitoring station comprises a supporting rod (1), a floating plate (2) and a movable support (5), and is characterized in that the lower end of the supporting rod (1) is inserted into the water bottom and fixed by using an underwater pile foundation, and the upper end of the supporting rod is fixed on a platform; the floating plate (2) is provided with two circular openings, one circular opening is sleeved on the support rod (1), the floating plate (2) is clamped with the support rod (1) through the first clamping ring (3) to prevent the floating plate (2) from rotating on the water surface, and the other circular opening is used for placing the image acquisition module (4); the mobile support (5) is sleeved on the support rod (1) and can move up and down, a sensor clamping groove (6), a second clamping ring (7) and a clamping plate (8) are respectively arranged at two ends of the mobile support (5), the sensor clamping groove (6) is provided with an upward ultrasonic sensor and a downward ultrasonic sensor, the second clamping ring (7) is used for placing a Samsung disc (10) and is used for fixing the clamping plate (8), and the Samsung disc (10) is located under the image acquisition module (4).
2. The real-time automatic transparency monitoring device for the water environment monitoring station according to claim 1, wherein an underwater illuminometer (9) is installed above the clamping plate (8), the image acquisition module (4) is provided with a light supplement module, and the underwater illuminometer (9) measures the underwater illumination intensity at the depth and transmits the measured underwater illumination intensity to an automatic control system in the platform for adjusting the light supplement module of the image acquisition module (4).
3. The water environment monitoring station transparency real-time automatic monitoring device as claimed in claim 1, wherein the movable support (5) is connected with a winch in the platform through a cable to realize the up-and-down movement of the movable support (5).
4. The water environment monitoring station transparency real-time automatic monitoring device as claimed in claim 1, characterized in that the number of the floating plates (2) is two, each floating plate is provided with only one circular opening in the center, and the two floating plates are connected by using cables through the connectors arranged at the four corners.
5. The water environment monitoring station transparency real-time automatic monitoring device as claimed in claim 1 or 4, characterized in that the floating plate (2) can be recovered to the platform through cables connected with four corner interfaces.
6. The real-time automatic transparency monitoring device for the water environment monitoring station according to claim 5, wherein the floating plate (2) is an inflatable raft made of thermal carbon toughened polymer PVC material or a hollow floating body prefabricated by HDPE.
7. The water environment monitoring station transparency real-time automatic monitoring device as claimed in claim 1, characterized in that the outer side surface of the support bar (1) is provided with a depth mark.
8. The water environment monitoring station transparency real-time automatic monitoring device as claimed in claim 1 or 7, characterized in that the support rod (1) is a square hollow structure made of metal, and one side of the support rod is opened for placing a cable and a sensor line inside.
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CN110501313A (en) * | 2019-09-05 | 2019-11-26 | 江苏省渔业技术推广中心 | A kind of monitoring water environment station transparency real-time automatic monitoring device and its application method |
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CN110501313A (en) * | 2019-09-05 | 2019-11-26 | 江苏省渔业技术推广中心 | A kind of monitoring water environment station transparency real-time automatic monitoring device and its application method |
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