CN216595077U

CN216595077U - Water quality dissolved oxygen detection anti-interference device

Info

Publication number: CN216595077U
Application number: CN202122820786.XU
Authority: CN
Inventors: 李政; 许凯; 孙振宇
Original assignee: Guangdong Vz Testing Technology Co ltd
Current assignee: Guangdong Vz Testing Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-24
Anticipated expiration: 2031-11-17

Abstract

The utility model relates to the field of detection of dissolved oxygen in water, and discloses a water quality dissolved oxygen detection anti-interference device which comprises a water container, a filter screen, a floating plate, a detection device and a stirring device, wherein the floating plate is detachably arranged at the top of the water container, the bottom of the floating plate presses the top of the filter screen, the detection device penetrates through the floating plate, the stirring device is arranged at one side of the detection device, the stirring device penetrates through the floating plate and is inserted into water body for stirring, phytoplankton such as algae in the water can be filtered by arranging the phytoplankton filter screen in the water container, so that the water body entering the filter screen is not influenced by the external environment, the detection precision of the oxygen content in the water is increased, the stirring device is arranged at one side of the detection device, the oxygen content in the water body is uniform, and the situation of different oxygen contents in different water body positions can not be detected, the accuracy of the oxygen content of the water body measured by the method is greatly improved.

Description

Water quality dissolved oxygen detection anti-interference device

[ technical field ] A

The utility model relates to the field of detection of dissolved oxygen in water, in particular to an anti-interference device for detecting dissolved oxygen in water.

[ background ] A method for producing a semiconductor device

The detection of water quality dissolved oxygen content usually adopts detection device disect insertion to detect in the water thereby obtains the result of aquatic oxygen content, but because the influence of water environment, the oxygen content numerical value that often detects out is inaccurate, leads to detecting inaccurate reason mainly has two: firstly, due to the existence of phytoplankton such as algae in the water body, the algae can generate oxygen under the photosynthesis, so that the oxygen content in the water is greatly increased, the detected data is inaccurate, and the algae in the water needs to be filtered and removed to improve the detected data; secondly, the oxygen content in the same water body is often different, if the probe is just stretched into the water to detect, the data that often detects is unilateral, and is inaccurate, and the probe stretches into the different of the degree of depth or the check point in the water, all can appear the difference of oxygen content detection data, leads to detecting inaccurately.

[ summary of the utility model ]

The utility model aims to solve the problems and provides an anti-interference device for detecting dissolved oxygen in water, which solves the problems that the existing oxygen content detection device cannot eliminate the interference of phytoplankton such as algae in water and the detection is inaccurate due to uneven oxygen content in water.

In order to achieve the purpose, the utility model adopts the following technical scheme:

quality of water dissolved oxygen detects anti-interference device, including flourishing water receptacle, filter screen, kickboard, detection device and agitating unit, be equipped with in the flourishing water receptacle and wait to detect the water, the filter screen is located in the flourishing water receptacle, just the top cover of filter screen is established the periphery at flourishing water receptacle top, kickboard detachably locates flourishing water receptacle top, just the bottom of kickboard is pushed down the top of filter screen, detection device runs through the kickboard, detection device's bottom detects in inserting the water, agitating unit locates one side of detection device, agitating unit runs through the kickboard inserts stir in the water, just detection device's bottom with agitating unit's bottom keeps the level.

Preferably, agitating unit includes driving motor, mounting base, pivot and stirring piece, mounting base locates the kickboard top, mounting base's top is equipped with driving motor, driving motor's bottom is equipped with the pivot, the pivot runs through mounting base with the kickboard inserts in the water, the bottom of pivot is equipped with the stirring piece, the pivot is in order about under driving motor's the drive the stirring piece rotates.

Preferably, the water flow velocity caused by the rotation of the stirring blade is not less than 1.5 m/s.

Preferably, the filter screen is a phytoplankton net, and the aperture of the phytoplankton net is 200 meshes.

Preferably, the detection device is a YSI5100 dissolved oxygen detector.

Preferably, the filter screen also includes rings, rings are located the top of filter screen, carry when being convenient for use and take.

The contribution of the utility model lies in: through set up the phytoplankton filter screen in flourishing water receptacle, can filter phytoplankton such as the alga of aquatic, make the water that gets into the filter screen can not receive external environment influence, the detection precision of aquatic oxygen content has been increased, one side through at detection device sets up agitating unit, make the oxygen content in the water can be even, the condition that different oxygen contents appear in the different water positions of detection can not appear, the water oxygen content that records through the above-mentioned mode compares and directly detects detection device to the water in the tradition, measurement accuracy promotes greatly, experimental fault-tolerant rate also obtains promoting.

[ description of the drawings ]

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the stirring apparatus of the present invention;

FIG. 3 is a schematic view of the structure of the detecting unit of the present invention;

wherein: the device comprises a water container 10, a filter screen 20, a hanging ring 21, a floating plate 30, a detection device 40, a stirring device 50, a driving motor 51, a mounting base 52, a rotating shaft 53, a stirring sheet 54, a water body 60 and an air duct 70.

[ detailed description ] embodiments

The following examples are further illustrative and supplementary to the present invention and do not limit the present invention in any way.

As shown in figures 1-3, the water quality dissolved oxygen detection anti-interference device comprises a water container 10, a filter screen 20, a floating plate 30, a detection device 40 and a stirring device 50, the water container 10 is provided with a water body 60 to be detected, the filter screen 20 is arranged in the water container 10, the top of the filter screen 20 is sleeved on the periphery of the top of the water container 10, the floating plate 30 is detachably arranged on the top of the water container 10, and the bottom of the floating plate 30 presses the top of the filter screen 20, the detecting device 40 penetrates the floating plate 30, the bottom of the detection device 40 is inserted into the water body 60 for detection, the stirring device 50 is arranged at one side of the detection device 40, the stirring device 50 penetrates the floating plate 30 and is inserted into the water body 60 to be stirred, and the bottom of the detection device 40 is kept horizontal to the bottom of the stirring device 50.

The water quality dissolved oxygen detection anti-interference device mainly aims to accurately measure the oxygen content in a water body 60 and reduce the measurement error, and mainly comprises a water container 10, a filter screen 20, a floating plate 30, a detection device 40 and a stirring device 50, wherein the water body 60 of each sampling point in a river is poured into the water container 10, then the filter screen 20 (a No. 25 phytoplankton net is adopted by the device, the aperture of the filter screen 20 is 200 meshes, and algae and other phytoplankton in water can be filtered out) is placed in the water container 10, specifically, the top of the filter screen 20 is sleeved on the periphery of the water container 10, because the aperture of the filter screen 20 is larger than that of the water container 10, the top of the filter screen 20 can be folded and sleeved on the bottle mouth of the water container 10, the bottom of the filter screen 20 is arranged in the water container 10 in a bag shape, then the floating plate 30 is arranged on the top of the water container 10, meanwhile, the top of the filter screen 20 can be pressed, so that the filter screen 20 is fixed, two through holes are formed in the filter screen 20, one through hole is used for inserting the detection device 40, the other through hole is used for inserting the stirring device 50, the stirring sheet 54 on the stirring device 50 can cause the flow of water flow in the rotating process, and the flow speed is controlled to be not less than 1.5m/s, firstly, the stirring device 50 is inserted, the stirring device 50 is started to stir the water body 60, so that the water body 60 flows in the water container 10, the planktonic algae in the water body 60 are filtered and attached to the filter screen 20 by the filter screen 20, and meanwhile, the oxygen content in the water body 60 can be stirred uniformly (the oxygen content in each position in the water body 60 is different, mainly caused by the photosynthesis of the planktonic plants in the water body 60, the situations that the oxygen content in one water body 60 is high and the oxygen content in the other water body 60 is low can occur, the oxygen content difference measured at different positions of the same water body 60 is several times) often appears, after stirring for 3min, the detection device 40 is inserted, at the moment, the bottom probe of the detection device 40 is arranged at one side of the stirring sheet 54, the bottom of the detection device 40 is kept horizontal with the bottom of the stirring device 50, the water flow caused by rotation of the stirring sheet 54 flows into the probe of the detection device 40 at the first time, and therefore the detected device 40 detects the oxygen content in the water body 60.

The above method is suitable for detecting the oxygen content of the water body 60 in a laboratory, when the oxygen content in water needs to be detected in a river or a small pond, the hanging ring 21 at the top of the filter screen 20 needs to be fixed through human or object, so that the top of the filter screen 20 just leaks out of the water surface, the bottom of the filter screen 20 sinks into the water, then the floating plate 30 is placed at the top of the filter screen 20, the floating plate 30 can float on the water surface, then the oxygen content detection of the water body 60 is carried out according to the steps, the outdoor detection result is often inaccurate due to the influence of environmental factors (such as sunlight, temperature and the like), and the water body 60 is usually collected and returned for detection.

According to the utility model, the phytoplankton filter screen 20 is arranged in the water container 10, so that phytoplankton such as algae in water can be filtered, the water body 60 entering the filter screen 20 is not influenced by the external environment, the detection precision of the oxygen content in water is improved, the stirring device 50 is arranged on one side of the detection device 40, so that the oxygen content in the water body 60 is uniform, the situation that different oxygen contents occur when different water body 60 positions are detected is avoided, compared with the situation that the water body 60 is directly detected by the detection device 40 in the traditional mode, the oxygen content in the water body 60 measured by the method, the measurement precision is greatly improved, and the fault tolerance rate of the test is also improved.

In a further description, the stirring device 50 includes a driving motor 51, a mounting base 52, a rotating shaft 53 and a stirring sheet 54, the mounting base 52 is disposed on the top of the floating plate 30, the driving motor 51 is disposed on the top of the mounting base 52, the rotating shaft 53 is disposed on the bottom of the driving motor 51, the rotating shaft 53 penetrates through the mounting base 52 and the floating plate 30 and is inserted into the water 60, the stirring sheet 54 is disposed on the bottom of the rotating shaft 53, and the rotating shaft 53 drives the stirring sheet 54 to rotate under the driving of the driving motor 51.

Stated further, the water velocity caused by the rotation of the stirring blade 54 is not less than 1.5 m/s.

More specifically, the filter net 20 is a phytoplankton net, and the aperture of the phytoplankton net is 200 meshes.

More specifically, the detecting device 40 is a dissolved oxygen detector.

In a further description, the filter screen 20 further includes a hanging ring 21, and the hanging ring 21 is located on the top of the filter screen 20 for easy lifting and holding in use.

The air guide plate is characterized by further comprising an air guide tube, wherein one end of the air guide tube penetrates through the floating plate, and the other end of the air guide tube is communicated with the outside atmosphere.

Air duct 70 is mainly applied to indoor measurement aquatic dissolved oxygen volume, after retrieving the laboratory with the sample water sample and adorning water container 10, insert detection device in the water, because floating plate 30 is sealed water container 10, lead to the pressure in water container 10 great, even through the water filter screen of flowing through in agitating unit 50 can not be fine with water container 10, need connect air duct 70 on floating plate 30 this moment, discharge the gaseous in water container 10 outward, thereby ensure that water container 10 internal gas pressure reduces, promote the water filter screen of flowing through, be convenient for detect, when detecting in the river, because do not have airtight environment, then need not to insert air duct 70, detection device can directly detect.

Although the present invention has been described with reference to the above embodiments, the scope of the present invention is not limited thereto, and modifications, substitutions and the like of the above members are intended to fall within the scope of the claims of the present invention without departing from the spirit of the present invention.

Claims

1. Quality of water dissolved oxygen detects jam-proof device, its characterized in that: including flourishing water receptacle, filter screen, kickboard, detection device and agitating unit, be equipped with in the flourishing water receptacle and wait to detect the water, the filter screen is located in the flourishing water receptacle, just the top cover of filter screen is established the periphery at flourishing water receptacle top, kickboard detachably locates flourishing water receptacle top, just the bottom of kickboard is pushed down the top of filter screen, detection device runs through the kickboard, detection device's bottom detects in inserting the water, agitating unit locates one side of detection device, agitating unit runs through the kickboard inserts stir in the water, just detection device's bottom with agitating unit's bottom keeps the level.

2. The water quality dissolved oxygen detection anti-interference device according to claim 1, characterized in that: agitating unit includes driving motor, mounting base, pivot and stirring piece, mounting base locates the kickboard top, mounting base's top is equipped with driving motor, driving motor's bottom is equipped with the pivot, the pivot runs through mounting base with the kickboard inserts in the water, the bottom of pivot is equipped with the stirring piece, the pivot is in order about under driving motor's the drive the stirring piece rotates.

3. The water quality dissolved oxygen detection anti-interference device according to claim 2, characterized in that: the water flow speed caused by the rotation of the stirring sheet is not less than 1.5 m/s.

4. The water quality dissolved oxygen detection anti-interference device according to claim 1, characterized in that: the filter screen is the phytoplankton net, and the aperture of phytoplankton net is 200 meshes.

5. The water quality dissolved oxygen detection anti-interference device according to claim 1, characterized in that: the detection device is a dissolved oxygen detector.

6. The water quality dissolved oxygen detection anti-interference device according to claim 1, characterized in that: the filter screen still includes rings, rings are located the top of filter screen is carried when being convenient for use and is taken.

7. The water quality dissolved oxygen detection anti-interference device according to claim 1, characterized in that: the air guide plate is characterized by further comprising an air guide tube, wherein one end of the air guide tube penetrates through the floating plate, and the other end of the air guide tube is communicated with the outside atmosphere.