CN216160607U

CN216160607U - Water quality monitoring sensor online cleaning system

Info

Publication number: CN216160607U
Application number: CN202122191701.6U
Authority: CN
Inventors: 易枫盛
Original assignee: Zizhong Fengsheng Technology Co ltd
Current assignee: Zizhong Fengsheng Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-04-01
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses an online cleaning system for a water quality monitoring sensor, which solves the technical problem that the water quality monitoring sensor in the prior art is easily polluted by organisms and blocked by impurities, so that the detection data is inaccurate. The device comprises a floating ball and a cleaning tank arranged in the floating ball, wherein the side wall of the cleaning tank is provided with a water quality monitoring sensor of which the end of a sensitive element is positioned in an inner cavity of the cleaning tank, the bottom wall of the cleaning tank is provided with a water inlet pump, the water inlet pump is connected with a monitoring water inlet pipe, the inlet end of the monitoring water inlet pipe is connected with a filtering device, the back of the cleaning tank is connected with a water outlet pipe, the top wall of the cleaning tank is connected with a cleaning water inlet pipe, the inlet end of the cleaning water inlet pipe is connected with a water purifying device, and a cleaning water pump is arranged on the cleaning water inlet pipe. The high-pressure cleaning device has the advantages of simple structure, scientific and reasonable design and convenient use, can be used for cleaning the water quality monitoring sensor at high pressure, effectively prevents biological pollution and impurity blockage of the online water quality monitoring sensor, is used for prolonging the service life of monitoring equipment and ensures the stability and reliability of water quality monitoring data.

Description

Water quality monitoring sensor online cleaning system

Technical Field

The utility model belongs to the technical field of water quality detection equipment, and particularly relates to an online cleaning system for a water quality monitoring sensor.

Background

In recent years, the aquaculture industry has developed rapidly, and each aquatic product can grow and reproduce better in a proper water quality environment. The aquaculture water body is a living place of aquaculture animals, is also a decomposition container of excrement and urine residual feed, and is a cultivation pool of plankton, and the three-pool-in-one cultivation mode easily causes ecological imbalance among consumers, decomposers and producers, causes a large amount of enrichment of organic substances and toxic substances in water, influences the growth and survival of the aquaculture animals, and seriously can also cause the death of the aquaculture animals in bulk, so that the maintenance of the ecological balance of the water body environment is a high-quality and efficient key technology for pond culture. In order to find out the change of water quality in time and ensure the growth environment of aquatic products, the water quality of the aquaculture environment must be analyzed and monitored. Through the quality of water of aquaculture water quality monitoring system monitoring aquaculture water, aquaculture industry personnel can obtain accurate, real-time data to make production reach high yield, steady production, and can carry out active control to environmental parameter, the aquaculture industry of instruction avoids the risk, brings the profit.

Dissolved oxygen, pH value and the like in aquaculture industry are water environment parameters influencing the growth of aquaculture animals, and a water quality monitoring system is required to continuously and dynamically monitor. Due to the fact that the environment of an outer pond is extremely complex, impurities such as various zooplankton, phytoplankton, algae, fungi, excrement of aquatic animals and mucus secreted by fishes exist in a culture water body, a water intake pipeline of the existing online water quality monitoring is easily blocked by biological pollution (growing fungi and algae) and impurities to cause water flow to be gradually reduced, detection data are finally inaccurate or invalid, reliable reference value and practical guidance significance are not provided, the popularization rate is low, the stability and reliability of data are doubtful, the maintenance frequency is high, and the service life of equipment is remarkably shortened.

Therefore, the utility model provides an online cleaning system for a water quality monitoring sensor, which can perform high-pressure cleaning on the water quality monitoring sensor, can effectively prevent biological pollution and impurity blockage of the online water quality monitoring sensor, is used for prolonging the service life of monitoring equipment and ensuring the stability and reliability of water quality monitoring data, and is a technical problem to be solved by technical personnel in the technical field.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a water quality monitoring sensor on-line cleaning system, solves the easy biological contamination of prior art water quality monitoring sensor and blocks up the inaccurate technical problem of detection data that leads to of impurity.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a water quality monitoring sensor on-line cleaning system includes the floater and locates the washing jar in the floater, wash jar lateral wall and install the water quality monitoring sensor that sensing element end is located washing jar inner chamber, wash jar diapire and install the intake pump, the intake pump is connected with the monitoring inlet tube, monitoring inlet tube entrance connection has and is used for filtering the filter equipment that prevents the particle diameter for particulate matter more than 1mm, it is connected with the outlet pipe to wash jar back, it is connected with the washing inlet tube to wash jar roof, the entrance connection who washs the inlet tube has and is used for purifying into the purifier of pure water with the water of breeding, it is equipped with the washing water pump on the washing inlet tube.

Furthermore, a cleaning cavity communicated with the monitoring water inlet pipe and the cleaning water inlet pipe is arranged in the cleaning tank, the sensitive element end of the water quality monitoring sensor is positioned in the cleaning cavity, the right side wall of the cleaning cavity, on which the water quality monitoring sensor is arranged, is a plane wall, and the rest side walls are arc-shaped walls.

Furthermore, the back wall of the cleaning cavity is a plane wall, the front surface of the cleaning tank is provided with a plane window which is covered on the cleaning cavity and is convenient to observe, and the plane window is made of high-pressure-resistant transparent glass materials.

Furthermore, a cleaning water inlet is formed in the top wall of the cleaning cavity, the cleaning water inlet pipe is connected with the cleaning water inlet in a sealing mode, a water outlet is formed in the back wall of the cleaning cavity, and the water outlet pipe is connected with the water outlet in a sealing mode.

Furthermore, an inclined plane is arranged between the bottom of the right side wall of the cleaning cavity and the arc-shaped wall, the inclined plane has an inclination angle of 15-20 degrees, a monitoring water inlet is formed in the inclined plane, and the diameter of the monitoring water inlet is 5 mm.

Furthermore, the bottom of the cleaning tank is provided with an external thread connector for installing a water inlet pump, the external thread connector is communicated with the monitoring water inlet, and the water outlet end of the water inlet pump is in thread sealing on the external thread connector.

Furthermore, a sensor mounting hole for mounting a water quality monitoring sensor is formed in the right side wall of the cleaning cavity, and the water quality monitoring sensor is mounted in the sensor mounting hole;

the sensor mounting holes are distributed up and down, the water quality monitoring sensor comprises a dissolved oxygen sensor and a pH sensor, the dissolved oxygen sensor and the pH sensor are respectively and hermetically mounted in the two sensor mounting holes, and the dissolved oxygen sensor is positioned under the pH sensor and is vertically opposite to the monitoring water inlet.

Furthermore, the water purifying device comprises a reverse osmosis membrane, a transparent cover hermetically sealed at one end of the reverse osmosis membrane, a copper cover hermetically sealed at the other end of the reverse osmosis membrane, and a copper pipe penetrating through the copper cover and extending into the reverse osmosis membrane, wherein the water outlet end of the copper pipe is connected with the inlet end of the cleaning water inlet pipe; reverse osmosis membrane outer wall parcel has the one deck copper mesh, and the copper mesh outer wall is equipped with two at least clamps, and purifier is fixed in on the monitoring inlet tube through the clamp.

Furthermore, the cleaning tank, the cleaning cavity, the water inlet pump and the monitoring water inlet pipe are all made of copper materials.

Furthermore, a power supply and a microprocessor are arranged in the floating ball, a flow meter is arranged on the water outlet pipe, and the microprocessor is electrically connected with the flow meter, the dissolved oxygen sensor, the pH sensor, the water inlet pump, the cleaning water pump and the power supply respectively.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model has simple structure, scientific and reasonable design and convenient use, solves the technical problem of inaccurate detection data caused by easy biological pollution and impurity blockage of the water quality monitoring sensor in the prior art, can regularly carry out high-pressure cleaning on the water quality monitoring sensor, can effectively prevent the biological pollution and impurity blockage of the online water quality monitoring sensor, is used for prolonging the service life of monitoring equipment and ensures the stability and reliability of water quality monitoring data.

The floating ball type aquaculture water purifier comprises a floating ball and a cleaning tank arranged in the floating ball, wherein the floating ball floats on the aquaculture water surface under the action of buoyancy, and the cleaning tank and electrical equipment in the floating ball can be isolated from a water body. According to the utility model, the aquaculture water is pumped into the cleaning tank through the monitoring water inlet pipe by the water inlet pump, and the detection of relevant indexes is completed by the water quality monitoring sensor in the cleaning tank, so that corresponding parameter guidance is provided for farmers. As the culture water is rich in a large amount of fungi and algae, the culture water is easy to grow in the cleaning tank, the cleaning tank is easy to block after a long time, water inlet and outlet are difficult, and the accuracy and the effectiveness of detection are reduced, so that the device with the high-pressure cleaning function is additionally arranged outside the cleaning tank. According to the utility model, the cleaning water is pumped into the cleaning tank through the cleaning water inlet pipe by the cleaning water pump, and the accumulated scale in the cleaning tank is cleaned and washed under high pressure, so that fungi and algae are prevented from breeding in the cleaning tank and the water quality monitoring sensor, the service life of the monitoring equipment can be prolonged, and the maintenance frequency and the maintenance cost can be effectively reduced.

The inlet end of the monitoring water inlet pipe is connected with the filtering device and is used for filtering the aquaculture water to be detected, the filtering device can effectively filter and prevent particles with the particle size of more than 1mm, and the influence of the particles on a water quality monitoring sensor and monitoring data is avoided. The inlet end of the cleaning water inlet pipe is connected with a water purifying device for purifying cleaning water, the water purifying device can effectively remove impurities, bacteria, viruses and the like in the aquaculture water body, purified water is provided for cleaning, and the cleaning cleanliness and effectiveness are guaranteed. In addition, wash jar, intake pump and monitoring inlet tube and all adopt the copper product that can be antibacterial to make, and the very big degree delays biological pollution.

According to the utility model, the cleaning tank is internally provided with the cleaning cavity, one side of the cleaning cavity except for the side provided with the water quality monitoring sensor is linear, and the other side walls are arc-shaped walls, so that the arc-shaped walls avoid cleaning dead corners, are beneficial to spiral washing of cleaning water along the arc-shaped walls, reduce high-pressure loss and greatly improve cleaning efficiency.

The utility model is provided with the microprocessor, the microprocessor is respectively connected with the flow meter, the dissolved oxygen sensor, the pH sensor, the water inlet pump and the cleaning water pump, and the microprocessor intelligently controls and monitors the opening, closing and starting frequency of the water inlet and the cleaning water inlet, thereby reducing the manual operation and saving the manpower consumption.

Drawings

FIG. 1 is a schematic view of the structure of the present invention (the plane view window is not shown).

FIG. 2 is a schematic view of a purge tank of the present invention.

FIG. 3 is a schematic view of a wash chamber of the present invention.

Fig. 4 is a schematic view of a water purification apparatus according to the present invention (copper mesh is not shown).

FIG. 5 is a cross-sectional view of the water purifying device of the present invention.

FIG. 6 is a view of the water purifying device of the present invention with a transparent cover sealed.

FIG. 7 is a view of the water purifying device of the present invention sealed with a copper cover.

Fig. 8 is a connection block diagram of each electrical device of the present invention.

Wherein, the names corresponding to the reference numbers are:

1-floating ball, 2-cleaning tank, 3-water quality monitoring sensor, 4-water inlet pump, 5-monitoring water inlet pipe, 6-filtering device, 7-water outlet pipe, 8-cleaning water inlet pipe, 9-cleaning water pump, 10-water purifying device, 11-cleaning cavity, 12-plane window, 13-cleaning water inlet, 14-water outlet, 15-inclined plane, 16-monitoring water inlet, 17-external thread connector, 18-sensor mounting hole, 19-dissolved oxygen sensor, 20-pH sensor, 21-clamp, 22-copper net, 23-power supply, 24-microprocessor, 25-flowmeter, 26-copper pipe, 27-reverse osmosis membrane, 28-transparent cover and 29-copper cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus, it should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; of course, mechanical connection and electrical connection are also possible; alternatively, they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-8, the water quality monitoring sensor online cleaning system provided by the utility model has the advantages of simple structure, scientific and reasonable design and convenient use, solves the technical problem of inaccurate detection data caused by the fact that the water quality monitoring sensor in the prior art is easily blocked by biological pollution and impurities, can regularly perform high-pressure cleaning on the water quality monitoring sensor, can effectively prevent the biological pollution and the impurity blockage of the online water quality monitoring sensor, is used for prolonging the service life of monitoring equipment and ensuring the stability and the reliability of water quality monitoring data.

The device comprises a floating ball 1 and a cleaning tank 2 arranged in the floating ball 1, wherein the side wall of the cleaning tank 2 is provided with a water quality monitoring sensor 3 with a sensitive element end positioned in an inner cavity of the cleaning tank, the bottom wall of the cleaning tank 2 is provided with a water inlet pump 4, the water inlet pump 4 is connected with a monitoring water inlet pipe 5, the inlet end of the monitoring water inlet pipe 5 is connected with a filtering device 6 for filtering and preventing particles with the particle size of more than 1mm, the back of the cleaning tank 2 is connected with a water outlet pipe 7, the top wall of the cleaning tank 2 is connected with a cleaning water inlet pipe 8, the inlet end of the cleaning water inlet pipe 8 is connected with a water purifying device 10 for purifying culture water into purified water, and a cleaning water pump 9 is arranged on the cleaning water inlet pipe 8.

The floating ball type aquaculture device comprises a floating ball 1 and a cleaning tank 2 arranged in the floating ball 1, wherein the floating ball 1 floats on the aquaculture water surface under the action of buoyancy, and the inner cleaning tank 2 and electrical equipment can be isolated from the water body by the floating ball 1. According to the utility model, the aquaculture water is pumped into the cleaning tank 2 through the monitoring water inlet pipe 5 by the water inlet pump 4, and the water quality monitoring sensor 3 in the cleaning tank 2 is used for detecting relevant indexes, so that corresponding parameter guidance is provided for farmers. As the culture water is rich in a large amount of fungi and algae, the culture water easily grows in the cleaning tank 2, and the cleaning tank 2 is easily blocked after a long time, so that the water inlet and outlet are difficult, and the detection accuracy and effectiveness are reduced, therefore, the device with the high-pressure cleaning function is additionally arranged outside the cleaning tank 2. According to the utility model, the cleaning water is pumped into the cleaning tank 2 through the cleaning water inlet pipe 8 by the cleaning water pump 9, scale in the cleaning tank 2 is cleaned and washed under high pressure, fungi and algae are prevented from breeding in the cleaning tank 2 and the water quality monitoring sensor 3, the service life of monitoring equipment can be prolonged, and the maintenance frequency and the maintenance cost can be effectively reduced.

The connection between the floating ball 1 and the cleaning tank 2 can adopt a connection structure and a connection method in a patent applied by the applicant in the early period, and the patent application numbers are as follows: 201821213233.X, with a patent name: an on-line monitoring device for water quality of aquaculture. Therefore, the connection between the float and the wash tank, etc. will not be described in detail herein.

The inlet end of the monitoring water inlet pipe 5 is connected with the filtering device 6 and is used for filtering the aquaculture water to be detected, the filtering device 6 can effectively filter and prevent particles with the particle size of more than 1mm, and the influence of the particles on the monitoring data caused by damage to the water quality monitoring sensor 3 is avoided. The filtering means 6 used can be of the type described in a patent previously filed by the applicant under the following patent application No.: 201922223980.2, the patent names: an on-line cleaning device for a water quality monitoring sensor. Therefore, the detailed structure and filtering principle of the filtering device 6 and the like are not described herein.

The inlet end of the cleaning water inlet pipe 8 is connected with the water purifying device 10 for purifying cleaning water, and the water purifying device 10 can effectively remove impurities, bacteria, viruses and the like in the aquaculture water body, so that purified water is provided for cleaning, and the cleaning cleanliness and effectiveness are ensured.

A cleaning cavity 11 communicated with a monitoring water inlet pipe 5 and a cleaning water inlet pipe 8 is arranged in a cleaning tank 2, the sensitive element end of a water quality monitoring sensor 3 is positioned in the cleaning cavity 11, the right side wall of the cleaning cavity 11, which is provided with the water quality monitoring sensor 3, is a plane wall, and the other side walls are arc-shaped walls. The arc-shaped wall avoids the dead angle of cleaning, is beneficial to cleaning water to spirally wash along the arc-shaped wall, reduces high-pressure loss and greatly improves the cleaning efficiency.

The back of the cleaning cavity 11 of the utility model is a plane, the front of the cleaning tank 2 is provided with a plane window 12 which is covered on the cleaning cavity 11 and is convenient to observe, and the plane window 12 is made of high pressure resistant transparent glass material. The plane window 12 can facilitate the outside personnel to observe the biological pollution or enrichment condition of the inside of the cleaning cavity 11 and the sensitive elements of the water quality monitoring sensor 3, so as to clean or replace the device in time.

The top wall of a cleaning cavity 11 of the utility model is provided with a cleaning water inlet 13, a cleaning water inlet pipe 8 is hermetically connected with the cleaning water inlet 13, the back surface of the cleaning cavity 11 is provided with a water outlet 14, and a water outlet pipe 7 is hermetically connected with the water outlet 14. An inclined plane 15 is arranged between the right side wall of the cleaning cavity 11 and the circular arc of the bottom surface, the inclined plane 15 has an inclined angle of 15-20 degrees, a monitoring water inlet 16 is arranged on the inclined plane 15, and the diameter of the monitoring water inlet 16 is 5 mm. Wash 2 bottoms of jar and be equipped with the external screw thread connector 17 that is used for installing intake pump 4, external screw thread connector 17 is linked together with monitoring water inlet 16, and intake pump 4 water outlet end thread seal is on external screw thread connector 17, threaded connection is convenient for intake pump 4's loading and unloading and change.

A sensor mounting hole 18 for mounting a water quality monitoring sensor is formed in the right side wall of a cleaning cavity 11, and a water quality monitoring sensor 3 is mounted in the sensor mounting hole 18; the sensor mounting holes 18 are distributed up and down, the water quality monitoring sensor 3 comprises a dissolved oxygen sensor 19 and a pH sensor 20, the dissolved oxygen sensor 19 and the pH sensor 20 are respectively mounted in the two sensor mounting holes 18 in a sealing mode, and the dissolved oxygen sensor 19 is located right below the pH sensor 20 and is opposite to the monitoring water inlet 16.

The water purifying device 10 comprises a reverse osmosis membrane 27, a transparent cover 28 sealed and packaged at one end of the reverse osmosis membrane 27, a copper cover 29 sealed and packaged at the other end of the reverse osmosis membrane 27, and a copper pipe 26 penetrating through the copper cover 29 and extending into the reverse osmosis membrane 27, wherein the water outlet end of the copper pipe 26 is connected with the inlet end of a cleaning water inlet pipe 8; the outer wall of the reverse osmosis membrane 27 is wrapped by a layer of copper net 22, the mesh number of the copper net 22 is 800-. Wash jar 2, washing chamber 11, intake pump 4 and monitoring inlet tube 5 and all adopt copper material to make, and copper material can be antibacterial, and the very big degree delays biological pollution. The transparent cover 28 is preferably made of tempered glass and is sealed at the end of the reverse osmosis membrane 27 by a strong sealant, and the copper cover 29 is a cover body supported by copper and is sealed at the end of the reverse osmosis membrane 27 by a screw, a strong sealant, and the like.

A power supply 23 and a microprocessor 24 are arranged in a floating ball 1, a flow meter 25 is arranged on a water outlet pipe 7, and the microprocessor 24 is respectively and electrically connected with the flow meter 25, a dissolved oxygen sensor 19, a pH sensor 20, a water inlet pump 4, a cleaning water pump 9 and the power supply 23.

The microprocessor 24 controls the opening and closing and the working frequency of the water inlet pump 4 or the cleaning water pump 9, the cleaning water pump 9 and the water inlet pump 4 are opened at intervals to achieve accurate monitoring and effective cleaning, meanwhile, the flow meter 25 is used for monitoring the water outlet flow and feeding back the water outlet flow to the microprocessor 24, when the microprocessor 24 receives abnormal information, the water flow is too small, the water inlet pump 4 or the cleaning water pump 9 is controlled to stop running to avoid idling, and the microprocessor 24 is an Intel Xeon E5-2698 v3 type microprocessor. The water inlet pump 4, the cleaning water pump 9, the dissolved oxygen sensor 19, the pH sensor 20, the power supply 23 and the flow meter 25 used in the present invention are all known electrical devices, and can be purchased and used directly in the market, and the structures, circuits and control principles thereof are all known in the art, and therefore, the structures, circuits and control principles of the water inlet pump 4, the cleaning water pump 9, the dissolved oxygen sensor 19, the pH sensor 20, the power supply 23 and the flow meter 25 are not described herein again.

Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention to illustrate the technical solutions of the present invention, but not to limit the technical solutions, and certainly not to limit the patent scope of the present invention; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention; that is, the technical problems to be solved by the present invention, which are not substantially changed or supplemented by the spirit and the concept of the main body of the present invention, are still consistent with the present invention and shall be included in the scope of the present invention; in addition, the technical scheme of the utility model is directly or indirectly applied to other related technical fields, and the technical scheme is included in the patent protection scope of the utility model.

Claims

1. The utility model provides a water quality monitoring sensor on-line cleaning system which characterized in that: including floater (1) and wash jar (2) of locating in floater (1), wash jar (2) lateral wall and install sensitive element end and be located water quality monitoring sensor (3) of wasing a jar inner chamber, wash jar (2) diapire and install intake pump (4), intake pump (4) are connected with monitoring inlet tube (5), monitoring inlet tube (5) entrance connection has filter equipment (6) that are used for filtering and prevent the particle size to be particulate matter more than 1mm, it is connected with outlet pipe (7) to wash jar (2) back, it is connected with and washs inlet tube (8) to wash jar (2) roof, the entrance connection who washs inlet tube (8) has purifier (10) that are used for purifying the water of breeding into the pure water, be equipped with washing water pump (9) on washing inlet tube (8).

2. The on-line cleaning system for the water quality monitoring sensor according to claim 1, characterized in that: be equipped with in wasing jar (2) and wash chamber (11) that are linked together with monitoring inlet tube (5) and washing inlet tube (8), water quality monitoring sensor (3) sensitive element end is located washs chamber (11), washs the right side wall that chamber (11) were installed water quality monitoring sensor (3) and is the plane wall, and all the other lateral walls are the arc wall.

3. The on-line cleaning system for the water quality monitoring sensor according to claim 2, characterized in that: the back wall of the cleaning cavity (11) is a plane wall, the front surface of the cleaning tank (2) is provided with a plane window (12) which is covered on the cleaning cavity (11) and is convenient to observe, and the plane window (12) is made of high-pressure-resistant transparent glass.

4. The on-line cleaning system for the water quality monitoring sensor according to claim 2, characterized in that: the top wall of the cleaning cavity (11) is provided with a cleaning water inlet (13), the cleaning water inlet pipe (8) is connected with the cleaning water inlet (13) in a sealing way, the back wall of the cleaning cavity (11) is provided with a water outlet (14), and the water outlet pipe (7) is connected with the water outlet (14) in a sealing way.

5. The on-line cleaning system for the water quality monitoring sensor according to claim 2, characterized in that: an inclined plane (15) is arranged between the bottom of the right side wall of the cleaning cavity (11) and the arc-shaped wall, the inclined angle of the inclined plane (15) is 15-20 degrees, a monitoring water inlet (16) is formed in the inclined plane (15), and the diameter of the monitoring water inlet (16) is 5 mm.

6. The on-line cleaning system for the water quality monitoring sensor according to claim 5, characterized in that: the bottom of the cleaning tank (2) is provided with an external thread connector (17) for installing a water inlet pump (4), the external thread connector (17) is communicated with a monitoring water inlet (16), and the water outlet end of the water inlet pump (4) is in thread sealing on the external thread connector (17).

7. The on-line cleaning system for the water quality monitoring sensor according to claim 5, characterized in that: a sensor mounting hole (18) for mounting a water quality monitoring sensor is formed in the right side wall of the cleaning cavity (11), and the water quality monitoring sensor (3) is mounted in the sensor mounting hole (18);

sensor mounting hole (18) have two, are upper and lower distribution, and water quality monitoring sensor (3) are including dissolved oxygen sensor (19) and pH sensor (20), and sealed installation has dissolved oxygen sensor (19) and pH sensor (20) respectively in two sensor mounting holes (18), and dissolved oxygen sensor (19) are located pH sensor (20) under and just right from top to bottom with monitoring water inlet (16).

8. The on-line cleaning system for the water quality monitoring sensor according to claim 1, characterized in that: the water purifying device (10) comprises a reverse osmosis membrane (27), a transparent cover (28) hermetically sealed at one end of the reverse osmosis membrane (27), a copper cover (29) hermetically sealed at the other end of the reverse osmosis membrane (27), and a copper pipe (26) penetrating through the copper cover (29) and extending into the reverse osmosis membrane (27), wherein the water outlet end of the copper pipe (26) is connected with the inlet end of the cleaning water inlet pipe (8); reverse osmosis membrane (27) outer wall parcel has one deck copper mesh (22), and copper mesh (22) outer wall is equipped with two at least clamps (21), and purifier (10) are fixed in on monitoring inlet tube (5) through clamp (21).

9. The on-line cleaning system for the water quality monitoring sensor according to claim 1, characterized in that: the cleaning tank (2), the cleaning cavity (11), the water inlet pump (4) and the monitoring water inlet pipe (5) are all made of copper materials.

10. The on-line cleaning system for the water quality monitoring sensor according to claim 7, characterized in that: be equipped with power (23) and microprocessor (24) in floater (1), be equipped with flowmeter (25) on outlet pipe (7), microprocessor (24) respectively with flowmeter (25), dissolved oxygen sensor (19), pH sensor (20), intake pump (4), washing water pump (9) and power (23) electric connection.