CN212433274U

CN212433274U - Online conductivity monitor

Info

Publication number: CN212433274U
Application number: CN202021016358.0U
Authority: CN
Inventors: 黄小芹; 江芳芳
Original assignee: Ningbo Kewei Data Technology Co ltd
Current assignee: Ningbo Kewei Data Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-01-29
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses an online conductivity monitor, which comprises a control part, a detection part matched and connected with the control part, and a floating body for fixing the detection part; the control part is arranged outside the floating body; the detection part is fixed on the floating body in a pressing mode. The utility model discloses optimize to traditional conductivity sensor's structure, avoid traditional input or bayonet conductivity sensor to touch the end, sink silting up, break away from the data acquisition mistake that phenomena such as water lead to in using scene (tube-well, river course etc.) through increasing the design of float formula, improve the data degree of accuracy.

Description

Online conductivity monitor

Technical Field

The utility model relates to a monitor technical field, concretely relates to online conductivity monitor.

Background

At present, conductivity monitors on the market are throw-in type or plug-in type monitors, and because of characteristics such as topography and geology, throw-in depths are different, and no standard can be said, and the conductivity sensor can only be thrown into liquid by means of cable suspension, and the position measured by the sensor is fixed and can not be changed. In the practical application process, no matter a pipe well or a river channel, the water level is raised or lowered periodically along with the movement of surface water or the production activity of human beings, the difficulty that the water level is complex and can not be determined is presented, the fixed sensor is caused, silt is raised due to the rise of the water level to bury the sensor or touch the bottom, or the sensor is separated from the water body due to the fall of the water level, and the two conditions can cause that the conductivity sensor can not collect data or the data is inaccurate, so that the data analysis is meaningless.

Therefore, the existing technical mode, whether in a throwing mode or in a plug mode, is a rigid and single application method, cannot adapt to the application of terrains with different depths, and cannot overcome or adapt to water level change, so that the data acquired by the conductivity sensor has larger error and more data packets are lost (separated from a water body).

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technical defect of background art is overcome, an online conductivity monitor is provided. The utility model discloses optimize to traditional conductivity sensor's structure, avoid traditional input or bayonet conductivity sensor to touch the end, sink the silt, break away from the data acquisition mistake that phenomena such as water lead to in using scene (tube-well, river course etc.) through increasing the design of float formula (floater formula), improve the data accuracy.

The utility model provides an above-mentioned technical problem adopted technical scheme as follows:

an online conductivity monitor comprises a control part, a detection part and a floating body, wherein the detection part is connected with the control part in a matching way, and the floating body is used for fixing the detection part; the control part is arranged outside the floating body; the detection part is fixed on the floating body in a pressing mode.

Further, a through hole is formed in the floating body; the detection part is fixed to the through hole in an extruding mode.

Furthermore, the detection part comprises a cable, a sensor tube body and a probe; one end of the cable is connected with the control part in a matching mode, and the other end of the cable is connected with the sensor tube body in a matching mode; the sensor tube body is fixed in the through hole in an extruding mode.

Furthermore, a limit table is formed on the side wall of the through hole; one end part of the sensor tube body is provided with a first waterproof joint; the cable penetrates through the first waterproof connector to be connected with the sensor tube body in a matching mode; the first waterproof joint is limited on the limiting table.

Further, the sensor tube body comprises a first internal thread tube and a second internal thread tube which are respectively arranged at two end parts of the sensor tube body; the first waterproof joint comprises a first sealing ring, a waterproof threaded joint, an upright post, a fastening jaw, a screw cap and a bayonet ring; the waterproof threaded joint comprises a first threaded column, a second threaded column and a first limiting piece arranged between the first threaded column and the second threaded column; the first threaded column is in threaded connection with the first internally threaded pipe; the first sealing ring is arranged between the first threaded column and the first internal threaded pipe, and the first sealing ring is in matched sleeve joint with the first threaded column; the second threaded column accommodates the upright column and the fastening receiving claw; the upright post is in matched sleeve joint with the fastening receiving claw; the nut is in threaded connection with the second threaded column; the bayonet ring is arranged between the second threaded column and the screw cap, and the bayonet ring is in matched sleeve joint with the second threaded column; the cable penetrates through the screw cap, the fastening jaw, the upright post and the waterproof threaded joint to be electrically connected with the sensor tube body; the first limiting part is limited on the limiting table.

Further, a probe protection cover is arranged on the outer side of the probe; the probe protection cover comprises a cover body, a second limiting piece, a third threaded column, a second sealing ring and a probe fixing ring; the cover body and the third threaded column are respectively arranged at two end parts of the probe protection cover; the second limiting piece is arranged between the cover body and the third threaded column; the third threaded column is in threaded connection with the second internally threaded pipe; the second sealing ring is arranged between the third threaded column and the second internal threaded pipe, and the second sealing ring is in matched sleeve joint with the third threaded column; the probe fixing ring is arranged in the probe protection cover, the probe fixing ring is matched and sleeved with the probe, and the probe is fixed in the probe protection cover through the probe fixing ring.

Further, the floating body is a floating ball.

Furthermore, the floating body is made of polyethylene foam plastics or polyvinyl chloride foam plastics.

Further, the weight of the detection portion is 3 times the weight of the floating body.

Further, the control part comprises a main control box and a second waterproof joint which is matched and connected with the main control box; the main control box comprises a shell; a battery, an integrated circuit board and an antenna are arranged in the shell; and one end of the cable is connected with the second waterproof connector in a matching manner.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model is optimized and innovated, and the floating body (floating ball) structure is utilized, so that the conductivity sensor can be kept at the position 10 cm below the liquid level no matter in any scene, and can be kept at the position 10 cm below the liquid level when the water level rises or falls, does not separate from the water body, and is not buried by silt; the device can protect the safety of the device under the high-speed impact of water flow, and efficiently and accurately complete data acquisition and uploading tasks;

(2) the utility model optimizes the structure of the traditional conductivity sensor, avoids the data acquisition error caused by the phenomena of bottom contact, silting, water body separation and the like of the traditional input type or plug-in type conductivity sensor in the application scene (pipe well, river channel and the like) by adding the floating body type (floating ball type) design, and improves the data accuracy;

(3) the floating ball structure of the utility model ensures the simple process and the low manufacturing cost;

(4) the utility model discloses the floater structure has guaranteed with the simple and convenient of the mounting means of sensor, has also guaranteed practicality and advance of this structure in the applied environment.

Drawings

FIG. 1 is a schematic structural diagram of a detection part and a floating body of an online conductivity monitor according to embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of a control part of the online conductivity monitor according to embodiment 1 of the present invention;

FIG. 3 is an exploded view of the detecting part and the floating body of the online conductivity monitor according to embodiment 1 of the present invention;

fig. 4 is an exploded view of the detecting part of the online conductivity monitor according to embodiment 1 of the present invention from another angle;

FIG. 5 is a front view of the components of FIG. 4;

fig. 6 is a semi-sectional view of a floating body of the online conductivity monitor according to embodiment 1 of the present invention;

fig. 7 is a top view of the floating body of the online conductivity monitor according to embodiment 1 of the present invention;

fig. 8 is an application schematic diagram of the online conductivity monitor according to embodiment 1 of the present invention.

The corresponding part names for the various reference numbers in the figures are:

1-a control section; 11-a main control box; 12-a second watertight joint; 111-a housing; 2-a detection section; 21-a cable; 22-a sensor tube; 221-a first internally threaded tube; 222-a second internally threaded tube; 23-a probe; 24-a first watertight joint; 241-a first sealing ring; 242-water-tight threaded joint; 2421-a first threaded post; 2422-a second threaded post; 2423-a first stop; 243-upright post; 244-tightening the jaws; 245-a nut; 246-bayonet ring; 25-probe protection cover; 251-a cover body; 252-a second stop; 253-a third threaded post; 254-a second seal ring; 255-probe fixing ring; 3-a float; 31-a through hole; 311-limit table; 32-floating ball; 4-falling prevention net hook; 5-well cover; 6-underground drainage pipe network.

Detailed Description

For a better understanding of the present invention, reference is made to the following detailed description and accompanying drawings. It should be understood that these examples are for further illustration of the present invention only, and are not intended to limit the scope of the present invention. It should be further understood that after reading the above description of the present invention, those skilled in the art will make certain insubstantial changes or modifications to the present invention, and shall still fall within the scope of the present invention.

Example 1

An online conductivity monitor, as shown in fig. 1, 2 and 8, comprises a control part 1, a detection part 2 connected with the control part 1 in a matching way, and a floating body 3 for fixing the detection part 2; the control part 1 is arranged outside the floating body 3; the detection part 2 is fixed to the floating body 3 by pressing.

As shown in fig. 1, a through hole 31 is provided inside the floating body 3; the detection part 2 is fixed to the through hole 31 by pressing.

As shown in fig. 1, the detection unit 2 includes a cable 21, a sensor tube 22, and a probe 23; one end of the cable 21 is connected with the control part 1 in a matching way, and the other end of the cable 21 is connected with the sensor tube body 22 in a matching way; the sensor tube 22 is fixed to the through hole 31 by pressing.

As shown in fig. 1 and 6, the side wall of the through hole 31 forms a limit stop 311; a first waterproof joint 24 is arranged at one end part of the sensor tube body 22; the cable 21 passes through the first waterproof joint 24 to be matched and connected with the sensor tube body 22; the first waterproof connector 24 is limited on the limit table 311.

The first waterproof joint 24 is a reducing waterproof joint.

As shown in fig. 3 to 5, the sensor tube 22 includes a first internally threaded tube 221 and a second internally threaded tube 222 respectively provided at both ends of the sensor tube 22; the first waterproof joint 24 comprises a first sealing ring 241, a waterproof threaded joint 242, an upright post 243, a fastening jaw 244, a screw cap 245 and a bayonet ring 246; the waterproof threaded joint 242 comprises a first threaded column 2421, a second threaded column 2422, and a first stop member 2423 disposed between the first threaded column 2421 and the second threaded column 2422; the first threaded post 2421 is in threaded connection with the first internally threaded tube 221; the first sealing ring 241 is disposed between the first threaded column 2421 and the first internally threaded pipe 221, and the first sealing ring 241 and the first threaded column 2421 are in matching fit with each other, and the second threaded column 2422 accommodates the upright 243 and the fastening receiving claw 244; the upright 243 is in matched sleeve joint with the fastening jaw 244; the nut 245 is in threaded connection with the second threaded post 2422; the bayonet ring 246 is disposed between the second threaded post 2422 and the nut 245, and the bayonet ring 246 is matingly received by the second threaded post 2422; the cable 21 passes through the nut 245, the fastening jaw 244, the upright 243 and the waterproof threaded joint 242 to be electrically connected with the sensor tube body 22; the first limiting part 2423 is limited on the limiting table 311.

The sensor tube body 22 and the first waterproof connector 24 are detachably connected, so that the installation and maintenance are convenient, and the cost is reduced.

As shown in fig. 3 to 5, a probe protection cover 25 is provided outside the probe 23; the probe protection cover 25 comprises a cover body 251, a second limiting member 252, a third threaded column 253, a second sealing ring 254 and a probe fixing ring 255; the cover 251 and the third threaded post 253 are respectively disposed at two ends of the probe protection cover 25; the second limiting member 252 is disposed between the housing 251 and the third threaded column 253; the third threaded post 253 is in threaded connection with the second internally threaded tube 222; the second sealing ring 254 is disposed between the third threaded column 253 and the second internally threaded pipe 222, and the second sealing ring 254 is in matching sleeve connection with the third threaded column 253; the probe fixing ring 255 is arranged inside the probe protection cover 25, the probe fixing ring 255 is sleeved with the probe 23 in a matching mode, and the probe 23 is fixed inside the probe protection cover 25 through the probe fixing ring 255.

The probe 23 includes a resistance probe and a temperature probe.

The probe 23 and the probe protection cover 25 and the sensor tube body 22 are detachably connected, so that the installation and the maintenance are convenient, and the cost is reduced.

The probe protection cover 25 is made of PVC plastic; the sensor tube body 22, the waterproof threaded connector 242 and the nut 245 are made of 304 stainless steel; the first sealing ring 241, the upright 243, the fastening receiving claw 244, the bayonet ring 246, the second sealing ring 254 and the probe fixing ring 255 are made of rubber.

As shown in fig. 1, 3, 6 and 7, the floating body 3 is a floating ball 32; by means of the floating ball 32, the structure equipment can float horizontally and the equipment can run stably.

As shown in fig. 1 and 6, the through holes 31 are symmetrically disposed on the floating ball 32, and the through holes 31 gradually narrow from the outside of the floating ball 32 to the center of the floating ball.

As shown in fig. 1, 3, 6 and 7, the floating body 3 is made of Polyethylene (PE) foam or polyvinyl chloride (PVC) foam, and is formed by foaming, and the material is characterized by having sufficient toughness, so that the detection part 2 can be conveniently installed on the floating ball 32 in an extruding manner, and has certain hardness, so that the floating body can protect the floating body from friction, collision and the like in the using process, can withstand natural change and low-temperature invasion, is light in weight, large in buoyancy, acid and alkali resistant, zero in maintenance, corrosion resistant and aging resistant, and most importantly, is low in cost and simple in process.

As shown in fig. 1, the weight of the detection unit 2 is 3 times of the weight of the floating body 3, so that the sensor tube 22 is always immersed downward in the water body and is not affected by the cable 21 or the water current impact.

As shown in fig. 2, the control portion 1 includes a main control box 11, and a second waterproof joint 12 connected to the main control box 11 in a matching manner, and the main control box 11 includes a housing 111; a battery, an integrated circuit board and an antenna are arranged inside the shell 111; one end of the cable 21 is connected with the second waterproof connector 12 in a matching way.

The material of the housing 111 is ABS resin.

The basic principle of the online floating ball type conductivity monitor of the embodiment is as follows:

the online floating ball type conductivity monitor of the embodiment mainly comprises three parts (see fig. 1, fig. 2 and fig. 8): the control system comprises a control part 1, a power supply part, a communication part and a basic operation part, wherein the control part is a part for realizing equipment power supply, communication and basic operation, is mainly an integrated box made of ABS materials, is internally provided with a battery, an integrated circuit board, an antenna and the like, and is assembled and installed by utilizing a fastener; the detection part 2 is mainly used for detecting and calculating the conductivity of the target water body through electrodes and an integrated circuit, transmitting a data packet to the control part 1 through a cable 21 and transmitting the data packet to the cloud server through the control part 1 in an NB communication mode; the floating ball 32 is made of Polyethylene (PE) foam plastic or polyvinyl chloride (PVC) foam plastic, the process mode is foam forming, the material is characterized by having enough toughness, the detection part 2 can be conveniently installed on the floating ball 32 in an extruding mode, the floating ball has certain hardness, the floating ball can be protected from friction, collision and the like in the using process, the floating ball can withstand natural change and low-temperature invasion, and the floating ball is light in weight, large in buoyancy, acid-base-resistant, zero in maintenance, corrosion-resistant and ageing-resistant, most importantly, low in cost and simple in process. The detection part 2 is connected with the floating ball 32 in a squeezing mode, the floating ball 32 has certain toughness and elasticity, so that the detection part 2 and the floating ball 32 can be fixed through squeezing, and the mass of the detection part 2 is 3 times of that of the floating ball 32, so that the sensor 22 is always immersed downwards in the water body in a target water body and is not influenced by the cable 21 or water flow impact (see fig. 8).

The use method of the online floating ball type conductivity monitor comprises the following steps:

the utility model discloses the product is applicable to the conductivity data acquisition in the water of river course, lake, inspection shaft etc. as shown in FIG. 8, the conductivity data acquisition in the water of this embodiment specific application in underground drainage pipe network, its specific installation method as follows:

open well lid 5, hang the control part 1 of this embodiment product in the preventing of inspection shaft lateral wall through the buckle that sets up in main control box 11 and fall net couple 4, then with this embodiment product extrusion be fixed in the vertical downwards of sensor body 22 of floater 32 put into in the drainage body of underground drainage pipe network 6 drainage. Since the mass of the detection part 2 is 3 times of the mass of the floating ball 32, the sensor tube 22 is always immersed downwards in the upper layer, namely the supernatant layer, of the water body and is not immersed in the middle layer, namely the suspension layer, and the bottom layer, namely the deposition layer, of the water body no matter the water level is high, the middle water level or the low water level.

The above description is not intended to limit the present invention, and the present invention is not limited to the above examples. Those skilled in the art should also realize that changes, modifications, additions, or substitutions can be made without departing from the spirit and scope of the invention.

Claims

1. The online conductivity monitor is characterized by comprising a control part (1), a detection part (2) connected with the control part (1) in a matching way, and a floating body (3) used for fixing the detection part (2); the control part (1) is arranged outside the floating body (3); the detection part (2) is fixed on the floating body (3) in a pressing mode.

2. The in-line conductivity monitor as claimed in claim 1, wherein the float (3) is provided with a through hole (31) therein; the detection part (2) is fixed on the through hole (31) in a pressing mode.

3. The in-line conductivity monitor as claimed in claim 2, wherein the detection part (2) comprises a cable (21), a sensor tube (22) and a probe (23); one end of the cable (21) is connected with the control part (1) in a matching way, and the other end of the cable (21) is connected with the sensor tube body (22) in a matching way; the sensor tube body (22) is fixed to the through hole (31) in an extruding manner.

4. The in-line conductivity monitor as claimed in claim 3, wherein the sidewall of the through hole (31) forms a limit stop (311); one end part of the sensor tube body (22) is provided with a first waterproof joint (24); the cable (21) passes through the first waterproof joint (24) and is in matched connection with the sensor tube body (22); the first waterproof joint (24) is limited on the limiting table (311).

5. The in-line conductivity monitor as claimed in claim 4, wherein the sensor tube (22) comprises a first internal threaded tube (221) and a second internal threaded tube (222) respectively disposed at both ends of the sensor tube (22); the first waterproof joint (24) comprises a first sealing ring (241), a waterproof threaded joint (242), an upright post (243), a fastening receiving claw (244), a screw cap (245) and a bayonet ring (246); the waterproof threaded joint (242) comprises a first threaded column (2421), a second threaded column (2422) and a first limiting piece (2423) arranged between the first threaded column (2421) and the second threaded column (2422); the first threaded column (2421) is in threaded connection with the first internally threaded tube (221); the first sealing ring (241) is arranged between the first threaded column (2421) and the first internally threaded pipe (221), and the first sealing ring (241) is in matched sleeve joint with the first threaded column (2421); the second threaded post (2422) accommodates the upright (243) and the tightening catch (244); the upright post (243) is in matched sleeve joint with the fastening jaw (244); the nut (245) is in threaded connection with the second threaded post (2422); the bayonet ring (246) is arranged between the second threaded column (2422) and the screw cap (245), and the bayonet ring (246) is in matched sleeve joint with the second threaded column (2422); the cable (21) penetrates through the nut (245), the fastening jaw (244), the upright post (243) and the waterproof threaded joint (242) to be electrically connected with the sensor tube body (22); the first limiting part (2423) is limited on the limiting table (311).

6. The in-line conductivity monitor as claimed in claim 5, wherein the probe (23) is provided with a probe protection cover (25) on the outside; the probe protection cover (25) comprises a cover body (251), a second limiting piece (252), a third threaded column (253), a second sealing ring (254) and a probe fixing ring (255); the cover body (251) and the third threaded column (253) are respectively arranged at two ends of the probe protection cover (25); the second limiting piece (252) is arranged between the cover body (251) and the third threaded column (253); the third threaded post (253) is in threaded connection with the second internally threaded tube (222); the second sealing ring (254) is arranged between the third threaded column (253) and the second internally threaded pipe (222), and the second sealing ring (254) is in matched sleeve joint with the third threaded column (253); probe retainer plate (255) set up in the inside of probe safety cover (25), probe retainer plate (255) match and cup joint probe (23), probe (23) are passed through probe retainer plate (255) are fixed in the inside of probe safety cover (25).

7. The online conductivity monitor as claimed in claim 1, wherein the float (3) is a floating ball (32).

8. The online conductivity monitor as claimed in claim 1, wherein the float (3) is made of polyethylene foam or polyvinyl chloride foam.

9. The online conductivity monitor as claimed in claim 1, wherein the weight of the detecting part (2) is 3 times of the weight of the floating body (3).

10. The online conductivity monitor as claimed in claim 3, wherein the control part (1) comprises a main control box (11), and a second waterproof connector (12) connected with the main control box (11); the main control box (11) comprises a housing (111); a battery, an integrated circuit board and an antenna are arranged in the shell (111); one end of the cable (21) is connected with the second waterproof connector (12) in a matching way.