CN215493163U - Liquid turbidity multi-point on-line monitoring device - Google Patents
Liquid turbidity multi-point on-line monitoring device Download PDFInfo
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- CN215493163U CN215493163U CN202120988217.3U CN202120988217U CN215493163U CN 215493163 U CN215493163 U CN 215493163U CN 202120988217 U CN202120988217 U CN 202120988217U CN 215493163 U CN215493163 U CN 215493163U
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Abstract
The utility model relates to a liquid turbidity multi-point position online monitoring device, which comprises a data transmission module and a plurality of turbidity probes, wherein the data transmission module is respectively and electrically connected with the turbidity probes, the turbidity probes are arranged in liquid and used for sensing light intensity in the liquid, converting the light intensity into electric signals and transmitting the electric signals to the data transmission module, and the data transmission module is used for determining a liquid turbidity value according to the electric signals. The multi-point on-line monitoring device for the liquid turbidity provided by the utility model realizes the multi-point on-line monitoring of the liquid turbidity.
Description
Technical Field
The utility model relates to the technical field of water turbidity monitoring, in particular to a liquid turbidity multi-point position online monitoring device.
Background
The existing single probe is provided with an independent reading gauge outfit device, one probe is used to correspond to one gauge outfit, the reading mode is that after the gauge outfit is checked manually, data are copied manually, the frequency precision is insufficient, the reading is not convenient enough, the data acquisition efficiency is too low, the data cannot be stored in real time, and the data cannot be directly synchronized to a terminal.
The existing single-probe matched terminal independent acquisition system uses one probe corresponding to one terminal address, the reading mode is that data is transmitted to a terminal through a data line and the like to be read, although the data can be read in real time, the data cannot be stored, and a plurality of probes cannot be acquired and read simultaneously, so that the data algorithm is huge, and the long-time and multi-point monitoring cannot be realized.
The traditional method for sampling, filtering and weighing the turbidity of the liquid on site is complex in measurement operation, low in efficiency, incapable of on-line continuous monitoring, incapable of realizing on-line monitoring of turbidity multiple points and complex in data storage.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a liquid turbidity multi-point on-line monitoring device, which is used to solve the problem that the prior art cannot realize multi-point on-line monitoring of liquid turbidity.
The utility model provides a liquid turbidity multi-point position online monitoring device which comprises a data transmission module and a plurality of turbidity probes, wherein the data transmission module is respectively and electrically connected with the turbidity probes, the turbidity probes are arranged in liquid and used for sensing light intensity in the liquid, converting the light intensity into electric signals and transmitting the electric signals to the data transmission module, and the data transmission module is used for determining a liquid turbidity value according to the electric signals.
Furthermore, two signal pins of the turbidity probe are respectively connected with the port A and the port B of the data transmission module.
Furthermore, two signal pins of the turbidity probe are respectively connected with the port A and the port B of the data transmission module through an RS485A wire and an RS485B wire.
Furthermore, the liquid turbidity multi-point position online monitoring device further comprises a power supply, and two ends of the power supply are respectively connected with two power supply pins of the turbidity probe.
Further, the power supply is a direct current power supply, and the voltage of the direct current power supply is 12V.
Furthermore, two power pins of the data transmission module are respectively connected with the anode and the cathode of the direct-current power supply.
Further, the liquid turbidity multi-point position on-line monitoring device further comprises an upper computer, the upper computer is electrically connected with the data transmission module, and the upper computer is used for displaying the liquid turbidity value.
Further, the number of turbidity probes is greater than or equal to 3.
Furthermore, the model of the data transmission module is LN-ISSL10L 05.
Furthermore, the model of the turbidity probe is LN-DTU-4.
Compared with the prior art, the utility model has the beneficial effects that: the device comprises a data transmission module and a plurality of turbidity probes, wherein the data transmission module is electrically connected with the turbidity probes respectively, the turbidity probes are placed in liquid, the light intensity in the liquid is sensed, the light intensity is converted into an electric signal, the electric signal is transmitted to the data transmission module, and the data transmission module determines the turbidity value of the liquid according to the electric signal; the multi-point on-line monitoring of the liquid turbidity is realized.
Drawings
FIG. 1 is a block diagram of an embodiment of a multi-point online monitoring device for liquid turbidity according to the present invention;
FIG. 2 is a hardware integration schematic diagram of a single turbidity probe provided by the present invention;
FIG. 3 is a schematic diagram of multiple probes in parallel according to the present invention;
fig. 4 is a schematic circuit diagram of an embodiment of the liquid turbidity multi-point on-line monitoring device according to the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
The utility model provides a liquid turbidity multi-point online monitoring device, which comprises a structural block diagram of an embodiment and is shown in fig. 1, wherein in the embodiment, the liquid turbidity multi-point online monitoring device comprises a data transmission module 1 and a plurality of turbidity probes 2, the data transmission module 1 is respectively electrically connected with the plurality of turbidity probes 2, the turbidity probes 2 are placed in liquid and used for sensing light intensity in the liquid, converting the light intensity into electric signals and transmitting the electric signals to the data transmission module 1, and the data transmission module 1 is used for determining a liquid turbidity value according to the electric signals.
It should be noted that the liquid turbidity multi-point position on-line monitoring device is suitable for multi-point omnibearing real-time turbidity monitoring in a large-scale simulated water tank. The purpose of simultaneously receiving a plurality of turbidity signals to process data is realized, and the multi-point position real-time online monitoring of the turbidity of the water body is realized through the design of power supply conditions, the application of a DTU data acquisition module and the design of a system circuit.
As a preferred embodiment, two signal pins of the turbidity probe are respectively connected with the port A and the port B of the data transmission module.
In a specific embodiment, the liquid turbidity multi-point on-line monitoring device is a hardware integration schematic diagram of a corresponding single turbidity probe, as shown in fig. 2; in fig. 2, the external independent power supply is a dc power supply.
As a preferred embodiment, two signal pins of the turbidity probe are respectively connected with the port A and the port B of the data transmission module through an RS485A line and an RS485B line.
In one embodiment, the turbidity probe is a turbidity sensor, which determines turbidity by detecting the light scattering rate and transmittance of the liquid solution to be detected. The turbidity sensor is internally provided with an infrared optical sensor, when light passes through the detected liquid, the transmission amount of the light has positive correlation with the contamination degree of the detected liquid, namely, the more dirty the water is, the less the light is transmitted. Meanwhile, the light receiving end can convert the transmitted light into corresponding current according to the intensity, namely the more the transmitted light is, the larger the current is, on the contrary, the less the transmitted light is, the smaller the current is, and finally the current flowing through the light receiving end is converted into a voltage signal through the resistor. The effluent turbidity degree can be obtained by measuring the current of the receiving end.
As a preferred embodiment, the liquid turbidity multi-point on-line monitoring device further comprises a power supply, and two ends of the power supply are respectively connected with two power supply pins of the turbidity probe.
As a preferred embodiment, the power supply is a dc power supply, and the dc power supply has a voltage of 12V.
In one embodiment, the turbidity probe requires 12V dc power, and the work site requires 220V ac power, so the corresponding dc power is prepared. The L + of the probe is connected to the anode of an independent peripheral power supply, and the L-of the probe is connected to the cathode, so that the power supply requirement of the turbidity probe is met.
As a preferred embodiment, two power pins of the data transmission module are respectively connected to the positive pole and the negative pole of the dc power supply.
In one embodiment, as an intermediate device for processing, the DTU module (data transfer module) also needs to be powered by dc; the module is connected into the prepared direct current power supply, the L + of the module is connected into the positive pole of the direct current power supply, and the L-is connected into the negative pole, so that the power supply of the whole set of facilities can be met.
The turbidity probe is connected into the port A of the DTU module through the RS485A, and the port B of the RS485B connection module is used as the signal input from the turbidity probe to the DTU module. If the number of the required turbidity probes is more than one, only a plurality of RS485A are connected in parallel, and the DTU module is connected to the port A, and the port B is treated in the same way. A parallel schematic of multiple probes, as shown in fig. 3.
As a preferred embodiment, the liquid turbidity multi-point position on-line monitoring device further comprises an upper computer, wherein the upper computer is electrically connected with the data transmission module and is used for displaying the liquid turbidity value.
In a specific embodiment, the upper computer is a computer, and the signal transmission line of the adopted DTU module is a USB interface, so that the upper computer can be directly connected with the computer conveniently. The serial number of the DTU module is set through the upper computer, and the DT wireless network is configured, so that signal integration processing of multiple probes can be realized.
As a preferred embodiment, the number of turbidity probes is greater than or equal to 2.
In a specific embodiment, when the number of the turbidity probes is 2, the circuit principle of the liquid turbidity multi-point on-line monitoring device is as shown in fig. 4. Probe a and probe B represent different turbidity probes, respectively.
As a preferred embodiment, the model of the data transmission module is LN-ISSL10L 05.
As a preferred embodiment, the turbidity probe is of the type LN-DTU-4.
The turbidity probe is put into the liquid to be measured, and after the connection is ensured to be correct, the liquid is electrified, and the liquid turbidity multi-point online monitoring device can realize real-time reading of the turbidity of the liquid to be measured; the liquid turbidity multi-point position on-line monitoring device needs to be calibrated before formal use.
During calibration, a four-point calibration method is adopted, namely different turbidity calibrations are obtained through dilution, then the instrument is calibrated, and the sensor can also be immersed in calibration liquid in practical application occasions for calibration. The sensor should be calibrated in fresh standard solution, and since the reading is low due to the inward reflection of the glass, the choice of glass containers is avoided as much as possible, black containers with a diameter and height greater than 30cm are chosen as much as possible, and a separate sampling container is required for each calibration point. These containers must be numbered and labeled and a magnetic stirrer may be used to prevent settling of the suspended solids when calibrating samples of greater concentration. Avoid letting magnetic stirrers work to a sample for a long time, otherwise the sensor can steadily increase to the reading of this sample, can smash the suspended solid gradually because of the stirring, thereby make the average size of granule descend.
The utility model provides a liquid turbidity multi-point position online monitoring device, which comprises a data transmission module and a plurality of turbidity probes, wherein the data transmission module is electrically connected with the turbidity probes respectively, the turbidity probes are placed in liquid, the light intensity in the liquid is sensed, the light intensity is converted into an electric signal, the electric signal is transmitted to the data transmission module, and the data transmission module determines the turbidity value of the liquid according to the electric signal; the multi-point on-line monitoring of the liquid turbidity is realized.
Liquid turbidity multiple spot position on-line monitoring device is applicable to the real-time turbidity monitoring of multiple spot omnidirectional in the large-scale simulation basin to receive a plurality of turbidity signals simultaneously and carry out data processing for the purpose, through the design to the power supply condition, the multiple spot position real-time on-line monitoring to the water turbidity is realized to the application of data transmission module and the design of system circuit.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a liquid turbidity multiple spot position on-line monitoring device which characterized in that, includes a number transmission module and a plurality of turbidity probe, the number transmission module respectively with a plurality of turbidity probe electricity is connected, the turbidity probe is arranged in liquid for the light intensity in the response liquid is the signal of telecommunication with the light intensity conversion, and will the signal of telecommunication conveys to the number transmission module, the number transmission module is used for the basis liquid turbidity value is confirmed to the signal of telecommunication.
2. The liquid turbidity multi-point on-line monitoring device according to claim 1, wherein two signal pins of the turbidity probe are respectively connected to the port a and the port B of the data transmission module.
3. The device for multi-point on-line monitoring of the turbidity of a liquid according to claim 2, wherein the two signal pins of the turbidity probe are connected to the ports a and B of the data transmission module through RS485A and RS485B wires, respectively.
4. The liquid turbidity multi-point on-line monitoring device according to claim 1, further comprising a power supply, wherein two ends of the power supply are respectively connected to two power supply pins of the turbidity probe.
5. The liquid turbidity multipoint online monitoring device according to claim 3, further comprising a power supply, wherein the power supply is a DC power supply, and the DC power supply has a voltage of 12V.
6. The device for multi-point on-line monitoring of liquid turbidity according to claim 4, wherein two power pins of said data transmission module are connected to the positive and negative poles of a dc power supply, respectively.
7. The multi-point on-line monitoring device for the turbidity of the liquid according to claim 1, further comprising an upper computer electrically connected with the data transmission module, wherein the upper computer is used for displaying the turbidity value of the liquid.
8. A liquid turbidity multi-point on-line monitoring apparatus according to claim 1, wherein the number of said turbidity probes is greater than or equal to 2.
9. The liquid turbidity multipoint on-line monitoring device according to claim 1, wherein the number of said data transmission module is LN-ISSL10L 05.
10. The liquid turbidity multi-point on-line monitoring device according to claim 1, wherein the turbidity probe is of type LN-DTU-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120988217.3U CN215493163U (en) | 2021-05-10 | 2021-05-10 | Liquid turbidity multi-point on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120988217.3U CN215493163U (en) | 2021-05-10 | 2021-05-10 | Liquid turbidity multi-point on-line monitoring device |
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| Publication Number | Publication Date |
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| CN215493163U true CN215493163U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120988217.3U Active CN215493163U (en) | 2021-05-10 | 2021-05-10 | Liquid turbidity multi-point on-line monitoring device |
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2021
- 2021-05-10 CN CN202120988217.3U patent/CN215493163U/en active Active
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