TDS sensor with correction function
By designing a TDS sensor with correction function, using two sets of sensors to measure the TDS values at different locations in the same water sample, and data correction is achieved through structural coordination, the problem of inaccurate data of the existing TDS sensor is solved and the accuracy of the detection data is improved.
Patent Information
- Application Number
- CN202421529008.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing TDS sensors collect data in water quality detection inaccurately and have serious miscalculation.
A TDS sensor with correction function was designed. The TDS values at different locations were measured by two sets of TDS sensors in the same water sample, and the data correction and accurate measurement were achieved through the cooperation of connectors, wires, terminals, heat shrink sleeves, plastic wrap layers, probe plastic wrap, temperature detection mechanisms and other structures.
Through the correction function of the two sets of TDS sensors, the accuracy of the detection data is improved, the miscalculation phenomenon is reduced, and accurate TDS concentration measurement values can be provided under different water quality conditions.
Smart Images
Figure CN222812792U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sensors, in particular to a TDS sensor with a correction function. Background Art
[0002] TDS sensor is a sensor used to measure the total dissolved solids (TDS) content in water. TDS refers to the total amount of inorganic salts and organic matter dissolved in water, usually expressed in milligrams per liter (mg / L) or conductivity (usually in microSiemens per centimeter, μS / cm).
[0003] The working principle of TDS sensor is usually based on the conductivity of water sample. When there are dissolved substances in water, these dissolved substances will increase the conductivity of water. TDS sensor measures the conductivity of water and then converts the conductivity into TDS concentration according to a predetermined calibration curve or algorithm.
[0004] The water quality detection and data collection of existing TDS sensors on the market are inaccurate and suffer from serious misdetection. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a TDS sensor with a correction function, aiming to improve the problem of inaccurate water quality detection and collection data and serious misdetection in the prior art of the existing TDS sensor.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a TDS sensor with a correction function, comprising a connector, a wire is fixedly connected to the left side of the connector, the outside of the wire is arranged inside the plastic coating, the left end of the wire is arranged inside the terminal, the terminal is arranged inside the plastic coating, a first detection probe is arranged inside the terminal, a second detection probe is arranged inside the terminal, a temperature detection mechanism is arranged inside the terminal, and a protective component is arranged on the inner side of the plastic coating.
[0007] Furthermore, the protection component includes a probe plastic package, the probe plastic package is fixedly connected to the outside of the first detection probe, the outside of the second detection probe is fixedly connected to the probe plastic package, and the outside of the temperature detection mechanism is fixedly connected to the probe plastic package.
[0008] Furthermore, a heat shrink tubing is disposed outside the first detection probe.
[0009] Furthermore, a heat shrink tubing is disposed outside the second detection probe.
[0010] Furthermore, a heat shrink tubing is provided outside the temperature detection mechanism.
[0011] Furthermore, the heat shrink tubing is arranged inside the plastic coating layer.
[0012] Furthermore, the first detection probe is fixedly connected to one end of the wire through a terminal, the second detection probe is fixedly connected to one end of the wire through a terminal, and the temperature detection mechanism is fixedly connected to one end of the wire through a terminal.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the present invention, by setting up two groups of TDS sensors, the TDS values at different positions in the same water sample can usually be corrected to increase the accuracy of the detection data.
[0015] 2. In the utility model, by cooperating among structures such as connectors, wires, terminals, heat shrink tubing, plastic coating, probe plastic coating, and temperature detection mechanism, accurate TDS concentration measurement values can be provided under different water quality conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A three-dimensional diagram of the TDS sensor with a calibration function proposed by the utility model;
[0017] Figure 2 This is a partial structural cross-sectional view of the TDS sensor with calibration function proposed by the utility model.
[0018] Legend:
[0019] 1. First detection probe; 2. Second detection probe; 3. Temperature detection mechanism; 4. Probe plastic coating; 5. Plastic coating layer; 6. Heat shrink tubing; 7. Terminal; 8. Wire; 9. Connector. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Reference Figure 1 and Figure 2The utility model provides an embodiment: a TDS sensor with a correction function, including a connector 9, a wire 8 is fixedly connected to the left side of the connector 9, the outside of the wire 8 is arranged inside the plastic coating layer 5, the left end of the wire 8 is arranged inside the terminal 7, the terminal 7 is arranged inside the plastic coating layer 5, a first detection probe 1 is arranged inside the terminal 7, a second detection probe 2 is arranged inside the terminal 7, a temperature detection mechanism 3 is arranged inside the terminal 7, and a protective component is arranged on the inner side of the plastic coating layer 5, the protective component includes a probe plastic coating 4, the probe plastic coating 4 is fixedly connected to the outside of the first detection probe 1, the outside of the second detection probe 2 is fixedly connected to the probe plastic coating 4, and the outside of the temperature detection mechanism 3 is fixedly connected to the probe plastic coating 4.
[0022] The first detection probe 1 and the second detection probe 2 together form a set of TDS detection sensors. The plastic coating layer 5 protects the sensor electrodes and internal circuits. The probe plastic coating 4 is used to protect the sensor probes from damage, corrosion or contamination, thereby extending the service life of the TDS sensor and improving its stability and accuracy.
[0023] Reference Figure 1 and Figure 2 A heat shrink tubing 6 is disposed on the outside of the first detection probe 1 , a heat shrink tubing 6 is disposed on the outside of the second detection probe 2 , and a heat shrink tubing 6 is disposed on the outside of the temperature detection mechanism 3 .
[0024] The heat shrink tubing 6 is used to protect the electrode and maintain stability.
[0025] Reference Figure 1 and Figure 2 The heat shrink tubing 6 is arranged inside the plastic coating 5, the first detection probe 1 is fixedly connected to one end of the wire 8 through the terminal 7, the second detection probe 2 is fixedly connected to one end of the wire 8 through the terminal 7, and the temperature detection mechanism 3 is fixedly connected to one end of the wire 8 through the PCB.
[0026] The wire 8 is connected to the terminal 7 and the two sets of probes by welding, and the temperature detection mechanism 3 is connected to one end of the wire 8 by welding through the PCB.
[0027] Working principle: When using the device, place two sets of TDS sensors in the same water sample to measure the TDS values at different positions. Insert the two sets of detection probes into the water to be detected through the probe plastic package 4, and then connect them to the main board through the connector 9 to perform the TDS water quality detection task. Calibrate each TDS sensor separately. The calibration process will adjust the internal parameters or calibration curve of each TDS sensor to ensure the accuracy of the measurement results. Record the calibration data of each TDS sensor, including the concentration of the standard solution used and the sensor measurement value, for future reference and comparison, saving detection time and increasing the accuracy of detection data.
[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A TDS sensor with a calibration function, comprising a connector (9), characterized in that: The left side of the connector (9) is fixedly connected with a wire (8), the outside of the wire (8) is arranged inside the plastic coating layer (5), the left end of the wire (8) is arranged inside the terminal (7), the terminal (7) is arranged inside the plastic coating layer (5), a first detection probe (1) is arranged inside the terminal (7), a second detection probe (2) is arranged inside the terminal (7), a temperature detection mechanism (3) is arranged inside the terminal (7), and a protective component is arranged on the inner side of the plastic coating layer (5).
2. The TDS sensor with calibration function according to claim 1, characterized in that: The protection component comprises a probe plastic wrap (4), wherein the probe plastic wrap (4) is fixedly connected to the outside of the first detection probe (1), the outside of the second detection probe (2) is fixedly connected to the probe plastic wrap (4), and the outside of the temperature detection mechanism (3) is fixedly connected to the probe plastic wrap (4).
3. The TDS sensor with calibration function according to claim 1, characterized in that: A heat shrink tubing (6) is arranged outside the first detection probe (1).
4. The TDS sensor with calibration function according to claim 1, characterized in that: A heat shrink tubing (6) is arranged outside the second detection probe (2).
5. The TDS sensor with calibration function according to claim 1, characterized in that: A heat shrink tubing (6) is arranged outside the temperature detection mechanism (3).
6. The TDS sensor with calibration function according to claim 3, characterized in that: The heat shrink tubing (6) is arranged inside the plastic coating layer (5).
7. The TDS sensor with calibration function according to claim 1, characterized in that: The first detection probe (1) is fixedly connected to one end of the wire (8) via a terminal (7), the second detection probe (2) is fixedly connected to one end of the wire (8) via a terminal (7), and the temperature detection mechanism (3) is fixedly connected to one end of the wire (8) via a PCB.