CN217484239U - Water body multi-depth conductivity self-recording monitoring device - Google Patents
Water body multi-depth conductivity self-recording monitoring device Download PDFInfo
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- CN217484239U CN217484239U CN202221557219.8U CN202221557219U CN217484239U CN 217484239 U CN217484239 U CN 217484239U CN 202221557219 U CN202221557219 U CN 202221557219U CN 217484239 U CN217484239 U CN 217484239U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02A90/30—Assessment of water resources
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Abstract
The utility model discloses a water body multi-depth conductivity self-recording monitoring device, wherein a field protection device comprises a protection tube with an upper end and a lower end which are opened, an upper tube cap and a lower tube cap, a plurality of first water permeable holes are arranged on the side wall of the protection tube, the upper tube cap and the lower tube cap are respectively covered on the upper port and the lower port of the protection tube, and a plurality of second water permeable holes are arranged on the lower tube cap; the recorder body is fixed in the protective tube and comprises a waterproof plastic shell, a temperature acquisition module, a conductivity indirect acquisition module, a data storage module, a central processing module and two anti-corrosion metal probes, wherein the temperature acquisition module, the conductivity indirect acquisition module, the data storage module, the central processing module and the anti-corrosion metal probes are arranged in the shell; the central processing module stores the data received from the conductivity indirect acquisition module and the temperature acquisition module in the data storage module. The utility model discloses a resistance equivalent between two electrodes is measured to the indirect collection module of conductivity, through temperature acquisition module measurement temperature, finally obtains the conductivity through these two parameter deductions.
Description
Technical Field
The utility model belongs to quality of water basic parameter monitoring technology, concretely relates to many degree of depth conductivities of water self-recording monitoring devices.
Background
The conductivity of the water body is an important index in water quality monitoring, and reflects the magnitude of soluble solid substances in the water body. The existing water conductivity monitoring sensor mainly comprises a single acquisition type and an integrated self-recording type, wherein the single acquisition type needs a matched data acquisition unit and a power supply system, and has a complex structure and is inconvenient to install; the integrated self-recording conductivity sensor is convenient to configure and start and read data, is simple to install, and is widely applied to field water quality monitoring.
However, commercial conductivity self-recording sensors are expensive, with a unit price of over 5000 yuan, and if conductivity monitoring at multiple depths of a water body is involved, a large number of self-recording sensors are required, which is costly. Therefore, a simple, cheap and high-precision multi-depth water conductivity self-recording monitoring device needs to be developed. The core of the method is to design a water conductivity self-recording monitor.
SUMMERY OF THE UTILITY MODEL
The purpose of the invention is as follows: an object of the utility model is to solve exist among the prior art not enough, provide a water many degrees of depth conductivity from recording monitoring devices, realize the conductivity monitoring of many degrees of depth in the water.
The technical scheme is as follows: the utility model discloses a water body multi-depth conductivity self-recording monitoring device, which comprises a recorder body and an outdoor protection device, wherein the outdoor protection device comprises a protection tube with openings at the upper end and the lower end, an upper tube cap and a lower tube cap, a plurality of first water permeable holes are formed on the side wall of the protection tube, the upper tube cap and the lower tube cap cover the upper port and the lower port of the protection tube respectively, and a plurality of second water permeable holes are formed on the lower tube cap; the aperture of the first water permeable hole is smaller than that of the second water permeable hole; the recorder body is fixed in the protective tube and comprises a shell, a temperature acquisition module, a conductivity indirect acquisition module, a data storage module, a central processing module and two anti-corrosion metal probes, wherein the temperature acquisition module, the conductivity indirect acquisition module, the data storage module, the central processing module and the anti-corrosion metal probes are arranged in the shell; one end of the anti-corrosion metal probe extends downwards out of the shell to enter the protection tube, and the other end of the anti-corrosion metal probe is connected to the conductivity indirect acquisition module through a lead (for example, a 24AWG lead can be adopted); the central processing module stores the data received from the conductivity indirect acquisition module and the temperature acquisition module in the data storage module. The anti-corrosion metal probe has better corrosion resistance and higher conductivity, and is beneficial to the durability and the accuracy of instrument monitoring.
Furthermore, the shell of the recorder body is made of waterproof plastic, and a battery for supplying power to the central processing module is arranged in the recorder body.
Furthermore, even have the nylon ribbon behind the trompil of upper tube cap top, even have the rope of hanging on the nylon ribbon, hang field protection device and recorder body in the monitoring waters through hanging the rope.
Furthermore, a waterproof sealing plug is arranged at the bottom of the recorder body, the anti-corrosion metal probe penetrates through the waterproof sealing plug, and the joint of the anti-corrosion metal probe and the waterproof sealing plug is sealed by epoxy resin.
Furthermore, the protection tube, the upper tube cap and the lower tube cap are all made of PVC.
Has the beneficial effects that: compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses a self-recording conductivity meter is small, low cost, and conductivity fitting precision is high.
2. The utility model provides an open-air protection device is firm, be difficult for being blockked up by silt, is convenient for be connected a plurality of protection device, can realize the customization of a plurality of open-air degree of depth department's conductivity under water and measure.
3. The utility model discloses use two anticorrosion metal probes as positive and negative electrode, measure the resistance equivalent between two electrodes through the indirect collection module of conductivity, through temperature acquisition module measured temperature, then utilize the resistance equivalent and the temperature that acquire and establish the correlation with water conductivity, can obtain conductivity inversion formula.
Drawings
Fig. 1 is a schematic view of a self-recording device of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the application process of the present invention
Fig. 4 is a schematic diagram of the side wall of the protection tube of the present invention;
FIG. 5 is a schematic view of the hole of the PVC lower pipe cap of the present invention;
fig. 6 is the utility model discloses the many degree of depth conductivity monitoring of water schematic diagram.
Detailed Description
The technical solution of the present invention is explained in detail below, but the scope of protection of the present invention is not limited to the embodiments.
As shown in fig. 1 and fig. 2, the utility model discloses a water body multi-depth conductivity self-recording monitoring device includes recorder body 33 and field protection device, the field protection device includes upper and lower both ends open-ended protection tube 24, upper pipe cap 23 and lower pipe cap 26 all adopt PVC dome pipe cap, open on the protection tube 24 lateral wall have a plurality of first hole 25 of permeating water, upper pipe cap 23 and lower pipe cap 26 cover respectively in the upper port and the lower port of protection tube 24, open on lower pipe cap 26 have a plurality of second hole 27 of permeating water; the recorder body 33 is fixed in the protection tube 24, the recorder body 33 comprises a waterproof plastic shell 1, and a temperature acquisition module 2, an electric conductivity indirect acquisition module 3, a data storage module 9, a central processing module 8 and an anti-corrosion metal probe 5 which are arranged in the shell 1, wherein the anti-corrosion metal probe 5 is provided with two parts and is arranged at two sides of the bottom in the shell 1, one end of the anti-corrosion metal probe 5 extends downwards out of the shell 1 to enter the protection tube 24, and the other end of the anti-corrosion metal probe is connected with the electric conductivity indirect acquisition module 3 through a lead 4; the central processing module 8 stores the data received from the conductivity indirect acquisition module 3 and the temperature acquisition module 2 in the data storage module 9, and the central processing module 8 is powered by the battery 7.
The top of the upper pipe cap 23 in this embodiment is provided with a nylon cable tie 22 and a hanging rope 21, and the field protection device and the recorder body 33 are suspended in the water area through the nylon cable tie 22 and the hanging rope 21 for conductivity monitoring.
In this embodiment, the waterproof sealing plug 6 is disposed at the bottom of the waterproof plastic housing 1 of the recorder body 33, the anti-corrosion metal probe 5 penetrates through the waterproof sealing plug 6, and the joint of the anti-corrosion metal probe 5 and the waterproof sealing plug 6 is sealed by epoxy resin, so that the sealing performance is improved and water leakage is prevented.
The protection tube 24, the upper tube cap 23 and the lower tube cap 26 in this embodiment are made of PVC.
As shown in fig. 3, the specific working process of the present invention is divided into 5 steps, that is, (1) the conductivity indirect acquisition module 3 is modified; (2) performing a multi-standard liquid cooling experiment; (3) modeling by binary nonlinear regression; (4) monitoring and laying a field water body; (5) and (4) data acquisition and inversion. The specific process is as follows:
step (1), two wires 4 are respectively connected with one end of a corresponding anti-corrosion metal probe 5, the other end of each wire 4 is connected with an indirect conductivity acquisition module 3, holes are formed in two sides of a waterproof sealing plug 6 at the bottom of a waterproof plastic shell 1, the other ends of the two anti-corrosion metal probes 5 penetrate through the waterproof sealing plug 6 and downwards extend into a PVC protection pipe 24, and the joint of the anti-corrosion metal probe 5 and the waterproof sealing plug 6 is sealed by epoxy resin.
In the embodiment, the anti-corrosion metal probe 5 is a brass gold-plated probe with good corrosion resistance and electrical conductivity, the diameter of the brass gold-plated probe is 0.6mm, the length of the brass gold-plated probe is 6mm, the length of the probe end of the anti-corrosion metal probe 5 extending out of the waterproof sealing plug 6 is about 4mm, and the distance between the probe end and the waterproof sealing plug is about 16 mm. The wire 4 is a thinner 24AWG wire. As shown in fig. 4 and 5, a PVC pipe having an outer diameter of 40mm is used as the protection pipe 24, and first water permeable holes 25 are formed in a side wall of the PVC protection pipe 24, and the first water permeable holes 25 have a diameter of 4 mm. Two upper and lower PVC dome pipe caps internal diameters are 40mm, and the hole 27 trompil sizes of permeating water of second are 8mm, are convenient for from the silt that first hole 25 got into of permeating water from the great second hole 27 quick discharge protection tube 24 of permeating water of size. The antiskid fixed rubber band 32 is tied at the middle part of the conductivity recorder body 33, the nylon tie 31 is utilized to penetrate through the side wall eyelet 25 of the PVC protection pipe, and the antiskid fixed rubber band 32 is pressed after being tightened, so that the conductivity recorder body 33 is fixed.
Step (2), preparing 20 grades of conductivity standard solutions from low to high at 25 ℃ (absolute deviation is not more than 5%): 30, 60, 90, 120, 150, 200, 250, 300, 350, 400, 500, 600, 700, 800, 1000, 1200, 1400, 1600, 1800, 2000 μ S/cm.
Heating a standard conductivity liquid in water bath to 40 ℃, putting the standard conductivity liquid into a modified conductivity self-recorder to obtain a measured value L of a conductivity indirect acquisition module 3 and a measured value T of a temperature module 2, and simultaneously putting the standard conductivity liquid into an HOBO conductivity self-recorder (U24-001) to obtain a water conductivity value, wherein the data acquisition interval is 1 min; cooling in a refrigerator to 0 deg.C, taking out, and returning to room temperature.
Step (3), the data obtained by the multi-standard liquid cooling experiment are arranged, and the acquisition value L (lum/ft) of the module 3 is indirectly acquired through the conductivity 2 ) And the acquisition value T (DEG C) of the temperature acquisition module 2 is an independent variable, and a binary nonlinear regression analysis in SPSS software is utilized to fit a water conductivity EC (mu S/cm) inversion formula: EC = a + b L + c L 2 + d*T+ e*T 2 (ii) a EC is conductivity value, a is constant term, b, c, d, e are constant coefficient terms;
step (4), starting a simple conductivity self-recording meter 33 by using a HOBO optical USB BASE (BASE-U-4), setting an acquisition time interval delta t, fixing the conductivity self-recording meter in a field protection device, and putting the conductivity self-recording meter into a water body to be measured by using a hanging rope;
and (5) reading the measured value L of the conductivity indirect acquisition module 3 and the measured value T of the temperature module 2 by using the HOBO optical USB base, and calculating the conductivity EC of the water body by using an inversion formula.
In practical use, if conductivity values at 3 depths (D1, D2, D3) under water need to be monitored, on one hand, 3 conductivity self-recording monitoring devices can be arranged, as shown in fig. 6 and 2. The conductivity self-recording monitoring device is connected by a nylon cable tie and a hanging rope with corresponding length, a plastic-coated metal counterweight 30 is added below the lowest conductivity self-recording monitoring device, and the plastic-coated metal counterweight 30 is connected with the conductivity self-recording monitoring device through a hanging rope 29 and a cable tie 28; on the other hand, only one conductivity self-recording monitoring device can be arranged, and then the self-recording monitoring device is matched with a depth adjusting machine, a hanging rope on the upper portion of the field protection device is connected, and the conductivity self-recording monitoring device is placed at the corresponding depth of the water body according to the required monitoring depth to perform self-recording monitoring.
Claims (5)
1. The utility model provides a many depths conductivity of water self-recording monitoring devices which characterized in that: comprises a recorder body and a field protection device,
the field protection device comprises a protection tube with openings at the upper end and the lower end, an upper tube cap and a lower tube cap, wherein the side wall of the protection tube is provided with a plurality of first water permeable holes, the upper tube cap and the lower tube cap cover the upper port and the lower port of the protection tube respectively, and the lower tube cap is provided with a plurality of second water permeable holes; the aperture of the first water permeable hole is smaller than that of the second water permeable hole;
the recorder body is fixed in the protective tube and comprises a shell, a temperature acquisition module, an indirect conductivity acquisition module, a data storage module, a central processing module and two anti-corrosion metal probes, wherein the temperature acquisition module, the indirect conductivity acquisition module, the data storage module, the central processing module and the anti-corrosion metal probes are arranged in the shell; the central processing module stores the data received from the conductivity indirect acquisition module and the temperature acquisition module in the data storage module.
2. The water body multi-depth conductivity self-recording monitoring device according to claim 1, wherein: the shell of the recorder body is made of waterproof plastic, and a battery for supplying power to the central processing module is arranged in the recorder body.
3. The water body multi-depth conductivity self-recording monitoring device according to claim 1, wherein: even have the nylon ribbon after the trompil of top tube cap top, even have the rope of hanging on the nylon ribbon, hang field protection device and recorder body in the monitoring waters through hanging the rope.
4. The water body multi-depth conductivity self-recording monitoring device according to claim 1, wherein: the bottom of the recorder body is provided with a waterproof sealing plug, the anti-corrosion metal probe penetrates through the waterproof sealing plug, and the joint of the anti-corrosion metal probe and the waterproof sealing plug is sealed by epoxy resin.
5. The water body multi-depth conductivity self-recording monitoring device according to claim 1, wherein: the protection tube, the upper tube cap and the lower tube cap are all made of PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221557219.8U CN217484239U (en) | 2022-06-21 | 2022-06-21 | Water body multi-depth conductivity self-recording monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221557219.8U CN217484239U (en) | 2022-06-21 | 2022-06-21 | Water body multi-depth conductivity self-recording monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217484239U true CN217484239U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221557219.8U Active CN217484239U (en) | 2022-06-21 | 2022-06-21 | Water body multi-depth conductivity self-recording monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217484239U (en) |
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2022
- 2022-06-21 CN CN202221557219.8U patent/CN217484239U/en active Active
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