CN211856331U - Water quality detection device for fresh water biotoxicity monitoring system - Google Patents

Water quality detection device for fresh water biotoxicity monitoring system Download PDF

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Publication number
CN211856331U
CN211856331U CN202020213940.XU CN202020213940U CN211856331U CN 211856331 U CN211856331 U CN 211856331U CN 202020213940 U CN202020213940 U CN 202020213940U CN 211856331 U CN211856331 U CN 211856331U
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China
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water
detection
box body
photomultiplier
chamber
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Expired - Fee Related
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CN202020213940.XU
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Chinese (zh)
Inventor
张延泽
赵新颜
齐圣
王威龙
李嘉锴
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Hangzhou Dianzi University
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Hangzhou Dianzi University
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Abstract

The utility model relates to a water quality testing equipment for fresh water biotoxicity monitoring system. At present, the water quality detection adopts manual detection or shoreside fixing, and has low efficiency and high cost. The utility model discloses a be provided with filter equipment, detection case device, water circle device, photoelectric detection device in the box. The filtering device comprises three filtering columns connected in series, and the water circulating device comprises three water pumps; the detection box device comprises a detection box body and a detection box transmission mechanism, the detection box transmission mechanism drives the detection box body to do linear motion, and the detection box body is provided with an experimental chamber and a comparison chamber, the top surface of the experimental chamber is provided with a photoelectric detection hole; the photoelectric detection device comprises a photomultiplier and a photomultiplier transmission mechanism, the photomultiplier transmission mechanism drives the photomultiplier to do linear motion, and the photomultiplier is used for detecting the luminous intensity of the photoelectric detection holes of the experimental chamber and the comparison chamber. Utilize the utility model discloses equipment, detection cost is low, the accuracy is high, and can accomplish the detection automatically.

Description

Water quality detection device for fresh water biotoxicity monitoring system
Technical Field
The utility model belongs to the technical field of the environmental protection equipment, a water quality testing equipment for fresh water biotoxicity monitoring system is related to.
Background
At present, the state has raised the requirements for the water quality of the natural waters, and needs to obtain a large amount of water quality data, and the existing techniques for obtaining water quality data include the following: the manual detection can be performed, the sampling can be performed through manual operation, the water sample to be detected is configured to the optimal state to be detected, the interference existing in the water sample can be manually discharged, and the detection can be selectively performed. The shoreside is fixed: the detection device is fixed in the building by building a fixed building on the shore, and has the advantages of firm structure, long service life and small influence of water flow, but the detection device has the problems of high construction cost, false alarm, low sensitivity and low accuracy and cannot be ignored.
Disclosure of Invention
The utility model aims at providing a water quality testing equipment for fresh water biotoxicity monitoring system aiming at the defects of the prior art.
The utility model comprises a box body, wherein the side wall of the box body is provided with an equipment water inlet, a first equipment water outlet and a second equipment water outlet, and the bottom surface in the box body is provided with a track; the box body is internally provided with a filtering device, a detection box device, a water circulating device and a photoelectric detection device.
The filtering device comprises three filtering columns connected in series: the water inlet of the first filtering column is communicated with the water inlet of the equipment through a water inlet pipe, the water inlet of the second filtering column is communicated with the water outlet of the first filtering column, and the water outlet of the second filtering column is communicated with the water inlet of the third filtering column.
The detection box device comprises a detection box body and a detection box transmission mechanism; a support column is fixed below the detection box body, a pulley is arranged at the bottom of the support column, and the pulley is positioned on the track; the detection box transmission mechanism drives the detection box body to linearly move on the horizontal plane along the track direction.
The detection box body is provided with an experimental chamber and a control chamber, and the top surfaces of the experimental chamber and the control chamber are provided with photoelectric detection holes; a water inlet of the experiment chamber is communicated with a water outlet of the second filter column, and a water outlet of the experiment chamber is communicated with a water outlet of the first device; the water inlet of the comparison chamber is communicated with the water outlet of the third filter column, and the water outlet of the comparison chamber is communicated with the water outlet of the second device.
The water circulation device comprises three water pumps; the first water pump is arranged on the water inlet pipe between the first filter column and the water inlet of the device, the second water pump is arranged on the pipeline between the water outlet of the experimental chamber and the water outlet of the first device, and the third water pump is arranged on the pipeline between the water outlet of the comparison chamber and the water outlet of the second device.
The photoelectric detection device comprises a photomultiplier and a photomultiplier transmission mechanism; the photomultiplier is positioned above the detection box body and is used for detecting the luminous intensity of the photoelectric detection holes of the experimental chamber and the control chamber; the photomultiplier transmission mechanism drives the photomultiplier to move linearly on the horizontal plane, and the movement direction of the photomultiplier is perpendicular to that of the detection box body.
Furthermore, the first filter column is internally provided with algae-eating bacteria for destroying cell walls of the algae bacteria and filtering large-particle silt; the second filter column is provided with a microfiltration membrane for filtering small-particle silt and cell debris; the third filter column is provided with a broad-spectrum chemical solute RO membrane filter core for filtering out the solute in the sample water body.
Furthermore, the experimental chamber and the control chamber are filled with the same amount of luminous bacteria.
Further, the detection box transmission mechanism comprises a motor, a driving wheel, a driven wheel and a transmission belt, the motor drives the driving wheel to rotate, the driving wheel is linked with the driven wheel through the transmission belt, the transmission belt is connected with the detection box body in a matched mode, and when the driving wheel rotates, the transmission belt drives the detection box body to linearly move on the horizontal plane along the track direction.
Furthermore, the photomultiplier transmission mechanism comprises a motor, a screw rod which rotates under the driving of the motor and a slide block which slides linearly along the screw rod, and the photomultiplier is fixed on the slide block; the motor drives the photomultiplier to move linearly on the horizontal plane through the screw rod and the slide block.
Compared with the prior art, the water quality detection device of the utility model has the following beneficial effects:
the utility model discloses a water quality testing equipment mountable is in the bank in waters or near, takes a sample through water circle device, handles the water sample through filter equipment, carries out photoelectric detection through the water sample of photoelectric detection device in to the detection case device. All detected data are transmitted to the server in real time through other electronic equipment forming the detection system, and a worker can obtain the desired data only by accessing the server. The method does not need manual work to go to the field for operation, does not need to build a fixed building, and can greatly reduce the cost and save manpower and material resources. And one server can be bound with a plurality of substantial detection devices to form network coverage on a water area, so that a large amount of real-time data can be obtained. The conclusion drawn by a large amount of data is more accurate, and the development change data of the water quality of the water area can be obtained. The detection box device is provided with an experiment cavity and a control cavity, the experiment water sample and the control water sample can be obtained through the filtering device, and on the basis of comparing the detection result of the experiment water sample with the detection result of the control water sample, the judgment result of the water quality is obtained, so that the detection box device is more practical.
Drawings
Fig. 1 is a schematic sectional view of the main view direction of the present invention;
fig. 2 is a schematic cross-sectional view in a side view of the present invention;
fig. 3 is a schematic sectional view in a top view direction of the present invention;
fig. 4 is a schematic diagram of the water circulation of the present invention.
Detailed Description
A water quality detection device for a fresh water biotoxicity monitoring system can be installed at the shore of a water area or nearby, and one water area can be provided with one or more water quality detection devices. The water quality detection equipment of one water area or a plurality of water areas carries out data transmission with the server through the communication module.
As shown in fig. 1, 2, 3 and 4, the water quality detection device comprises a box body 1, wherein a device water inlet 11, a first device water outlet 12 and a second device water outlet 13 are formed in the side wall of the box body 1, and a track 14 is arranged on the bottom surface in the box body 1; the box body 1 is internally provided with a filtering device 2, a detection box device 3, a water circulation device 4 and a photoelectric detection device 5.
The filtering device 2 filters water entering the box body 1 and comprises a first filtering column 21, a second filtering column 22 and a third filtering column 23. The water inlet of the first filter column 21 is communicated with the equipment water inlet 11 through a water inlet pipe, the water inlet of the second filter column 22 is communicated with the water outlet of the first filter column 21, and the water outlet of the second filter column 22 is communicated with the water inlet of the third filter column 23. The three filter columns are connected in series, namely, a water sample flows through the first filter column 21, the second filter column 22 and the third filter column 23 in sequence. The first filtering column 21 carries out first-stage filtering on the water sample to filter large-particle silt, and the algae-eating bacteria are arranged in the first filtering column 21 to destroy the cell walls of the algae bacteria and enable the algae toxins to flow out of the cell walls. The second filter column 22 filters out small particles of silt and cell debris through a microfiltration membrane. The third filter column 23 filters the solute in the sample water body through a broad-spectrum chemical solute RO membrane filter element.
The detection box device 3 receives the filtered water and comprises a detection box body 31 and a detection box transmission mechanism. The top surface of the detection box body 31 is provided with a photoelectric detection hole, a support column 32 is fixed below the detection box body, the bottom of the support column 32 is provided with a pulley 33, and the pulley 33 is positioned on the track 14. The detection box transmission mechanism comprises a motor 34, a driving wheel 35, a driven wheel 36 and a transmission belt 37, the motor 34 drives the driving wheel 35 to rotate, the driving wheel 35 is linked with the driven wheel 36 through the transmission belt 37, the transmission belt 37 is connected with the detection box body 31 in a matched mode, and when the driving wheel 35 rotates, the transmission belt 37 drives the detection box body 31 to move linearly on the horizontal plane along the track direction.
The detection box body 31 has an experiment chamber 311 and a control chamber 312, the experiment chamber 311 and the control chamber 312 are both provided with photoelectric detection holes (not shown in the figure), and the experiment chamber 311 and the control chamber 312 are filled with the same amount of luminous bacteria. The water inlet of the experiment chamber 311 is communicated with the water outlet of the second filter column 22, and the water outlet of the experiment chamber 311 is communicated with the water outlet 12 of the first device; the water inlet of the comparison chamber 312 is communicated with the water outlet of the third filter column 23, and the water outlet of the comparison chamber 312 is communicated with the water outlet 13 of the second device.
The water flowing from the water outlet of the second filter column 22 to the experimental chamber 311 constitutes an experimental water sample, and the structure is used for detecting whether the experimental water sample contains excessive toxic substances such as algal toxins and chemical wastes. Toxic substances such as algal toxins and chemical wastes can kill or inhibit the luminescent bacteria, and the biotoxicity of the toxic substances in the experimental water sample can be evaluated according to the luminescence quantity of the luminescent bacteria. The more luminescence, the less biotoxicity of toxic substances, the better the water quality of the water sample, and otherwise, the worse the water quality.
The third filter column 23 can filter out the toxic substances dissolved in the water, the water flowing from the third filter column 23 to the control chamber 312 constitutes a control water sample, the control water sample shows the state of the water area not polluted by the toxic substances, if the content of the luminescent bacteria in the experimental chamber 311 is lower than the content of the luminescent bacteria in the control chamber 312, the water area is polluted by the toxic substances. The contamination level of the water area can be estimated by comparing the amount of the luminescent bacteria in the control chamber 312 with the amount of the luminescent bacteria in the experimental chamber 311.
The water circulation device 4 comprises three water pumps, wherein: the first water pump 41 is arranged on the water inlet pipe between the first filter column 21 and the equipment water inlet 11, and pumps water in a water area into the box body 1 for filtering; the second water pump 42 is arranged on a pipeline between the water outlet of the experimental chamber 311 and the water outlet 12 of the first device, the third water pump 43 is arranged on a pipeline between the water outlet of the comparison chamber 312 and the water outlet 13 of the second device, and the water in the experimental chamber 311 and the water in the comparison chamber 312 are discharged into a water area by the second water pump 42 and the third water pump 43, so that the circulation of the water is completed.
The photoelectric detection device 5 performs photoelectric detection on the water sample in the detection box body 31 and comprises a photomultiplier 51 and a photomultiplier transmission mechanism. The photomultiplier is located above the detection box body 31 and is used for detecting the luminous intensity of the photoelectric detection holes of the experimental chamber 311 and the control chamber 312. The photomultiplier 51 is connected to a filter circuit (not shown in the figure) including a primary filter circuit and a secondary filter circuit, which are connected to each other by a SAM connector, and the filter circuit is a well-known prior art.
The photomultiplier transmission mechanism includes a motor (not shown), a lead screw 52 rotated by the motor, and a slider 53 linearly sliding along the lead screw, and the photomultiplier 51 is fixed to the slider 53. The motor drives the photomultiplier 51 to move linearly on a horizontal plane through the screw rod 52 and the slider 53, the moving direction of the photomultiplier 51 is perpendicular to the moving direction of the detection box body 31, and the photomultiplier 51 and the detection box body 31 do orthogonal movement during work.
When the photomultiplier transmission mechanism drives the photomultiplier 51 to move above the experimental chamber 311 and the control chamber 312, the light emitting intensity of the photoelectric detection holes of the experimental chamber 311 and the control chamber 312 is detected in sequence, and the higher the light emitting intensity is, the more the number of the luminous bacteria is. After the water area is polluted, the number of the luminescent bacteria in the experimental chamber 311 is reduced, and the luminous intensity is reduced accordingly. Photoelectric detection is started after the water circulation is carried out for a set period of time, and the purpose is to obtain a representative water sample.
The water quality detection device is provided with an environment control device in the box body and electronic equipment such as a single chip microcomputer to form a water quality detection system. The single chip microcomputer is connected with the photoelectric detection device 5 and can receive detection data sent by the photoelectric detection device 5, an electric signal of the photoelectric detection device 5 is converted into data acceptable by the single chip microcomputer through the photoelectric interface and the transmission module, the data of the experimental chamber 311 and the data of the comparison chamber 312 are compared, and a judgment result of whether the experimental chamber is polluted or not is made. On the basis of comparing the detection result of the experimental water sample with the detection result of the control water sample, the judgment result of the water quality is obtained, and the method is more practical. For example, when the light intensity of the experimental chamber 311 is lower than the light intensity of the control chamber 312, or lower than a predetermined range, it is determined that the water area is polluted. The single chip microcomputer is connected with the communication module and sends all received data and judgment results to the server.
The environment control device in the box body comprises a temperature sensor, a humidity sensor, a pH value sensor, a ventilation mechanism, a temperature control module and an acid-base hedging module, the single chip microcomputer is in communication connection with the server, and the temperature sensor, the humidity sensor, the pH value sensor, the ventilation mechanism, the temperature control module and the acid-base hedging module are all connected with the single chip microcomputer. The temperature, the humidity, the pH value and other parameters in the box body can be regulated and controlled in real time through the environment control device in the box body, so that the box body is kept in a state suitable for the existence of luminous bacteria, and the stability and the accuracy of detection are ensured.
The singlechip can control the start and the close of the temperature control module according to the temperature transmitted by the temperature sensor, thereby controlling the temperature in the box body 1. The single chip microcomputer controls the ventilation mechanism to be started and closed according to the humidity transmitted by the humidity sensor, so that the humidity in the box body 1 is controlled. The single chip microcomputer controls the work of the acid-base hedging module according to data transmitted by the pH value sensor to control the pH value in the box body 1. The control device is arranged for providing a suitable living environment for the luminous bacteria.
The water quality monitoring system is also provided with a power module and a positioning module which are used for supplying power to all the motors, the environment control device in the box body 1, the single chip microcomputer and other electric devices. The positioning module can calibrate the position of the water quality detection equipment through the module server, so that the polluted position of the water area is calibrated.
The utility model discloses a water quality testing equipment mountable is in the bank in waters or near, takes a sample through water circle device, handles the water sample through filter equipment, carries out photoelectric detection through the water sample of photoelectric detection device in to micro-fluidic chip device to send the server with the data of all detections in real time, the staff as long as visit the server can acquire the data of wanting. The method does not need manual work to go to the field for operation, does not need to build a fixed building, and can greatly reduce the cost and save manpower and material resources. And one server can be bound with a plurality of substantial detection devices to form network coverage on the water area, so that a large amount of real-time data can be obtained, the conclusion obtained through the large amount of data is more accurate, and the development change data of the water quality of the water area can be obtained.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. It should be understood that the utility model discloses a protection basis is the structural feature of water quality testing equipment, and this structural feature is convenient for install and use, and the electronic equipment in the system except that test equipment belongs to conventional prior art, and the technical staff in the field can build by oneself as required. Various modifications and equivalent arrangements of the disclosed embodiments will be apparent to those skilled in the art and may be made without departing from the spirit and scope of the present invention.

Claims (5)

1. The utility model provides a water quality testing equipment for fresh water biotoxicity monitoring system, includes box (1), its characterized in that:
the side wall of the box body (1) is provided with an equipment water inlet (11), a first equipment water outlet (12) and a second equipment water outlet (13), and the bottom surface in the box body (1) is provided with a track (14); a filtering device (2), a detection box device (3), a water circulation device (4) and a photoelectric detection device (5) are arranged in the box body (1);
the filtering device (2) comprises three filtering columns which are connected in series; the water inlet of the first filtering column (21) is communicated with the water inlet (11) of the device through a water inlet pipe, the water inlet of the second filtering column (22) is communicated with the water outlet of the first filtering column (21), and the water outlet of the second filtering column (22) is communicated with the water inlet of the third filtering column (23);
the detection box device (3) comprises a detection box body (31) and a detection box transmission mechanism; a supporting column (32) is fixed below the detection box body (31), a pulley (33) is arranged at the bottom of the supporting column (32), and the pulley (33) is positioned on the track (14); the detection box transmission mechanism drives the detection box body (31) to linearly move on the horizontal plane along the track direction;
the detection box body (31) is provided with an experimental chamber (311) and a control chamber (312), and the top surfaces of the experimental chamber (311) and the control chamber (312) are provided with photoelectric detection holes; a water inlet of the experiment chamber (311) is communicated with a water outlet of the second filter column (22), and a water outlet of the experiment chamber (311) is communicated with a water outlet (12) of the first device; a water inlet of the comparison chamber (312) is communicated with a water outlet of the third filter column (23), and a water outlet of the comparison chamber (312) is communicated with a water outlet (13) of the second device;
the water circulation device (4) comprises three water pumps; the first water pump (41) is arranged on a water inlet pipe between the first filter column (21) and the equipment water inlet (11), the second water pump (42) is arranged on a pipeline between the water outlet of the experiment chamber (311) and the first equipment water outlet (12), and the third water pump (43) is arranged on a pipeline between the water outlet of the comparison chamber (312) and the second equipment water outlet (13);
the photoelectric detection device (5) comprises a photomultiplier (51) and a photomultiplier transmission mechanism; the photomultiplier is positioned above the detection box body (31) and is used for detecting the luminous intensity of the photoelectric detection holes of the experimental chamber (311) and the control chamber (312); the photomultiplier transmission mechanism drives the photomultiplier (51) to move linearly on a horizontal plane, and the movement direction of the photomultiplier (51) is vertical to the movement direction of the detection box body (31).
2. A water quality testing apparatus for fresh water biotoxicity monitoring system as claimed in claim 1, wherein: the first filter column (21) is internally provided with algae-eating bacteria for destroying cell walls of the algae bacteria and filtering large-particle silt; the second filter column (22) is provided with a microfiltration membrane for filtering small-particle silt and cell debris; the third filter column (23) is provided with a broad-spectrum chemical solute RO membrane filter core for filtering out the solute in the sample water body.
3. A water quality testing apparatus for fresh water biotoxicity monitoring system as claimed in claim 1, wherein: the experimental chamber (311) and the control chamber (312) are filled with the same amount of luminous bacteria.
4. A water quality testing apparatus for fresh water biotoxicity monitoring system as claimed in claim 1, wherein: the detection box transmission mechanism comprises a motor (34), a driving wheel (35), a driven wheel (36) and a transmission belt (37), wherein the motor (34) drives the driving wheel (35) to rotate, the driving wheel (35) and the driven wheel (36) are linked through the transmission belt (37), the transmission belt (37) is connected with the detection box body (31) in a matched mode, and when the driving wheel (35) rotates, the transmission belt (37) drives the detection box body (31) to move linearly along the track direction on the horizontal plane.
5. A water quality testing apparatus for fresh water biotoxicity monitoring system as claimed in claim 1, wherein: the photomultiplier transmission mechanism comprises a motor, a screw rod (52) which rotates under the driving of the motor and a slide block (53) which slides linearly along the screw rod, and the photomultiplier (51) is fixed on the slide block (53); the motor drives the photomultiplier (51) to move linearly on the horizontal plane through a screw rod (52) and a slide block (53).
CN202020213940.XU 2020-02-26 2020-02-26 Water quality detection device for fresh water biotoxicity monitoring system Expired - Fee Related CN211856331U (en)

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Application Number Priority Date Filing Date Title
CN202020213940.XU CN211856331U (en) 2020-02-26 2020-02-26 Water quality detection device for fresh water biotoxicity monitoring system

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Application Number Priority Date Filing Date Title
CN202020213940.XU CN211856331U (en) 2020-02-26 2020-02-26 Water quality detection device for fresh water biotoxicity monitoring system

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CN211856331U true CN211856331U (en) 2020-11-03

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CN202020213940.XU Expired - Fee Related CN211856331U (en) 2020-02-26 2020-02-26 Water quality detection device for fresh water biotoxicity monitoring system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111189782A (en) * 2020-02-26 2020-05-22 杭州电子科技大学 Water quality detection equipment for fresh water biotoxicity monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111189782A (en) * 2020-02-26 2020-05-22 杭州电子科技大学 Water quality detection equipment for fresh water biotoxicity monitoring system

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Granted publication date: 20201103