CN220289470U - Real-time conductivity measurement device for milk - Google Patents
Real-time conductivity measurement device for milk Download PDFInfo
- Publication number
- CN220289470U CN220289470U CN202321145275.5U CN202321145275U CN220289470U CN 220289470 U CN220289470 U CN 220289470U CN 202321145275 U CN202321145275 U CN 202321145275U CN 220289470 U CN220289470 U CN 220289470U
- Authority
- CN
- China
- Prior art keywords
- annular
- electrophoresis tank
- milk
- electrode plate
- annular electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000008267 milk Substances 0.000 title claims abstract description 45
- 210000004080 milk Anatomy 0.000 title claims abstract description 45
- 235000013336 milk Nutrition 0.000 title claims abstract description 45
- 238000005259 measurement Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 58
- 238000001962 electrophoresis Methods 0.000 claims abstract description 53
- 239000000523 sample Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000005284 excitation Effects 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a real-time conductivity measurement device for milk, which comprises an electrophoresis tank, wherein an annular electrophoresis tank is arranged in the electrophoresis tank, a first annular electrode plate is arranged on one circle of the outer diameter of the annular electrophoresis tank, a second annular electrode plate is arranged on one circle of the inner diameter of the annular electrophoresis tank, and a detection equipment shell is arranged above the electrophoresis tank; when the device is used, milk to be detected is injected into an annular electrophoresis tank, then a signal generating device applies excitation voltage wave signals with the frequency of minus kHz to the milk through a first annular electrode plate, meanwhile, an electric signal acquisition device detects voltage signals between a second annular electrode plate and the first annular electrode plate through a detection probe, then an absolute difference DeltaV between the excitation voltage sawtooth wave signals and the detection voltage signals is calculated, and the conductivity of the milk is calculated according to a sigma=. DeltaV+C formula; the device has the advantages of simple and reasonable structure, easy operation, and capability of realizing on-site real-time measurement and meeting the requirement of rapid monitoring of the index of milk.
Description
Technical Field
The utility model relates to the technical field of liquid quality detection, in particular to a real-time conductivity measurement device for milk.
Background
Milk is one of the main drinks for human beings, and the quality of the emulsion is always the focus of attention; with the improvement of the living standard of people, the demand for milk is increasing, and due to the vigorous market demand, some milk product manufacturers generally adulterate milk for benefits, so that the quality detection of milk is also becoming more interesting.
At present, the mode widely used for identifying milk detection is DHI detection, and DHI detection equipment is an integrated milk detection device, and although the detection effect is obvious, the data is comprehensive and accurate, the detection device is strict to an experimental environment and is not easy to operate, so that the milk quality detection device based on the electric conduction method, which is convenient to operate and use, can detect in real time on site and can obtain the result as quickly as possible, is necessary.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
Therefore, the present utility model aims to provide a real-time conductivity measurement device for milk, so as to solve the problems of the prior art that the device for identifying milk needs to be designed into a low-cost device for detecting milk quality based on a conductivity method, which can be conveniently operated and used, can be detected in real time on site, and can obtain results as quickly as possible.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the real-time conductivity measuring device for milk comprises an electrophoresis tank, wherein an annular electrophoresis tank is arranged in the electrophoresis tank, a first annular electrode plate is arranged on one circle of the outer diameter of the annular electrophoresis tank, a second annular electrode plate is arranged on one circle of the inner diameter of the annular electrophoresis tank, a detection equipment shell is arranged above the electrophoresis tank, a signal generating device and an electric signal collecting device are arranged in the detection equipment shell, and a detection probe penetrating into the annular electrophoresis tank is arranged at the bottom of the detection equipment shell;
the first annular electrode plate and the detection probe are respectively connected with the two stages of the signal generating device through wires, the second annular electrode plate and the detection probe are electrically connected with the two stages of the electric signal collecting device through wires, and the PLC controller electrically connected with the electric signal collecting device and the electric signal collecting device is further arranged on the shell of the detection equipment.
As a preferable scheme of the real-time conductivity measuring device for milk, a positioning cylinder coaxial with the annular electrophoresis tank is further arranged at the middle part of the interior of the electrophoresis tank, and the second annular electrode plate is arranged on the outer wall of the positioning cylinder in a circle.
As a preferable scheme of the real-time conductivity measurement device for milk, the detection probes are positioned on two sides of the outer wall of the annular electrophoresis tank and are respectively identical to the distance between the first annular electrode plate and the second annular electrode plate.
As a preferable scheme of the real-time conductivity measuring device for milk, a liquid discharge pipe communicated with the annular electrophoresis tank is further arranged on one side of the bottom of the electrophoresis tank, and a switch valve is further arranged on the liquid discharge pipe.
As a preferable scheme of the real-time milk conductivity measuring device, a base is further fixed at the bottom of the electrophoresis tank, and a supporting frame for fixedly installing a detection equipment shell is further arranged at the upper end of the base.
As a preferable mode of the real-time milk conductivity measuring device of the present utility model, wherein the signal generating device applies an excitation voltage signal with a frequency of-kz between the first ring electrode sheet and the detection probe, calculates an absolute difference between the detection voltage signal and the excitation voltage signal as Δv, calculates a conductivity σ of the milk liquid according to a relational equation as σ=. Δv+c.
Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the real-time conductivity measurement device for milk has the advantages that the structure is simple, the cost is low, when the device is used, the voltage signal of liquid in conductivity is more uniform through the cooperation of the annular electrophoresis tank and the first annular electrode plate and the second annular electrode plate, the accuracy and the uniformity of signal acquisition are facilitated, and the detection result can be faster; compared with the prior art, the device is easier to operate, can measure in real time on site, and can meet the requirement of rapid quality detection on the conductivity index of milk.
Drawings
FIG. 1 is a schematic view of the overall external structure of the present utility model;
FIG. 2 is a schematic diagram of the operation flow structure of the present utility model;
fig. 3 is a schematic diagram of the principle of conductivity detection according to the present utility model.
In the figure: 10. an electrophoresis cell; 11. an annular electrophoresis tank; 12. a first annular electrode sheet; 13. a second annular electrode sheet; 14. a positioning cylinder; 15. a liquid discharge pipe; 20. a detection device housing; 21. a signal generating device; 22. an electric signal acquisition device; 23. detecting a probe; 30. a base; 40. a support frame; H. and a PLC controller.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Fig. 1 to 3 are schematic views showing the whole structure of a real-time conductivity measuring apparatus for milk according to the present utility model, referring to fig. 1 to 3, the real-time conductivity measuring apparatus for milk according to the present embodiment includes an electrophoresis tank 10, an annular electrophoresis tank 11 is provided in the electrophoresis tank 10, a first annular electrode plate 12 is provided on the outer diameter of the annular electrophoresis tank 11, a second annular electrode plate 13 is provided on the inner diameter of the annular electrophoresis tank 11, a detection device housing 20 is provided above the electrophoresis tank 10, a signal generating device 21 and an electrical signal collecting device 22 are provided in the detection device housing 20, and a detection probe 23 penetrating into the annular electrophoresis tank 11 is provided at the bottom of the detection device housing 20; the first annular electrode plate 12 and the detection probe 23 are respectively and electrically connected with two stages of the signal generating device 21 through wires, the second annular electrode plate 13 and the detection probe 23 are electrically connected with two stages of the electric signal collecting device 22 through wires, and a PLC (programmable logic controller) H electrically connected with the electric signal collecting device 22 and the electric signal collecting device 22 is further arranged on the detection equipment shell 20.
The inside middle part of the electrophoresis cell 10 is also provided with a positioning cylinder 14 which is coaxial with the annular electrophoresis tank 11, and the second annular electrode plate 13 is arranged on the outer wall of the positioning cylinder 14 for one circle, so that the voltage signal of liquid in electric conduction is more uniform through the annular electrophoresis tank 11 under the cooperation of the first annular electrode plate 12 and the second annular electrode plate 13, the accuracy and the uniformity of signal acquisition are facilitated, and the detection result can be faster.
The detection probes 23 are positioned on two sides of the outer wall of the annular electrophoresis tank 11 and are respectively the same as the intervals of the first annular electrode plate 12 and the second annular electrode plate 13, the signal generating device 21 applies an excitation voltage signal with the frequency of 80-100kHz between the first annular electrode plate 12 and the detection probes 23, meanwhile, the absolute difference value delta V between the detection voltage signal and the excitation voltage signal is calculated, the absolute difference value delta V between the excitation voltage signal and the detection voltage signal is calculated according to the relation equation of sigma=0.036delta V+C, and the conductivity sigma of milk liquid is obtained, when the detection probes are used, the milk liquid to be detected is injected into the annular electrophoresis tank 11, the detection ends of the detection probes 23 are immersed in the liquid, after the liquid is determined to be in a normal temperature interval state, the signal generating device 21 applies an excitation voltage wave signal with the frequency of 80-100kHz into the milk liquid through the first annular electrode plate 12, meanwhile, the electric signal collecting device 22 detects the voltage signal between the second annular electrode plate 13 and the first annular electrode plate 12 through the detection probes 23, and then calculates the absolute difference value delta V between the excitation voltage wave signal and the detection voltage signal, and calculates the sawtooth equation of the milk liquid according to sigma=0.036V+C; the device has the advantages of simple and reasonable structure, easy operation, real-time measurement on site, capability of meeting the requirement of rapid quality detection on the index of milk, and real-time display through the PLC.
Further, a liquid discharge pipe 15 communicated with the annular electrophoresis tank 11 is further arranged on one side of the bottom of the electrophoresis tank 10, and a switch valve is further arranged on the liquid discharge pipe 15, after detection is completed, the switch valve can be opened, so that milk in the annular electrophoresis tank 11 is led out from the liquid discharge pipe 15, and the device is simple and convenient.
Further, the bottom of the electrophoresis tank 10 is further fixed with a base 30, and the upper end of the base 30 is further provided with a support 40 for fixedly mounting the detection device housing 20, and the whole measurement mechanism is formed into a whole through the base 30 under the cooperation of the support 40, so that the use and the carrying are convenient.
In summary, in the real-time conductivity measurement device for milk of this embodiment, when in use, the milk to be detected is injected into the annular electrophoresis tank 11, so that the detection end of the detection probe 23 is immersed in the liquid, after the liquid is determined to be in a normal temperature interval state, the signal generation device 21 applies an excitation voltage wave signal with a frequency of 80-100kHz to the milk through the first annular electrode plate 12, meanwhile, the electric signal acquisition device 22 detects a voltage signal between the second annular electrode plate 13 and the first annular electrode plate 12 through the detection probe 23, and then calculates an absolute difference Δv between the excitation voltage sawtooth wave signal and the detection voltage signal, and calculates the conductivity of the milk according to a formula of σ=0.036Δv+c; the device has the advantages of simple and reasonable structure, easy operation, real-time measurement on site, capability of meeting the requirement of rapid quality detection on the index of milk, and real-time display through the PLC.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. The utility model provides a real-time conductivity measurement device of milk, its characterized in that includes electrophoresis cell (10), inside annular electrophoresis tank (11) that have of electrophoresis cell (10), the external diameter round of annular electrophoresis tank (11) has first annular electrode piece (12), the internal diameter round of annular electrophoresis tank (11) has second annular electrode piece (13), electrophoresis cell (10) top is provided with check out test set shell (20), check out test set shell (20) inside is provided with signal generation device (21) and electrical signal collection device (22), just check out test set shell (20) bottom is provided with detection probe (23) that go into annular electrophoresis tank (11);
the first annular electrode plate (12) and the detection probe (23) are respectively connected with two stages of the signal generating device (21) through wires, the second annular electrode plate (13) and the detection probe (23) are electrically connected with two stages of the electric signal acquisition device (22) through wires, the PLC (H) electrically connected with the electric signal acquisition device (22) and the electric signal acquisition device (22) is further arranged on the detection equipment shell (20), the positioning cylinder (14) coaxial with the annular electrophoresis tank (11) is further arranged at the central part of the interior of the electrophoresis cell (10), and the second annular electrode plate (13) is arranged on the outer wall of the positioning cylinder (14) in a circle.
2. The real-time conductivity measurement device for milk according to claim 1, wherein: the two sides of the outer wall of the annular electrophoresis tank (11) of the detection probe (23) are respectively the same as the intervals of the first annular electrode plate (12) and the second annular electrode plate (13).
3. The real-time conductivity measurement device for milk according to claim 1, wherein: a liquid discharge pipe (15) communicated with the annular electrophoresis tank (11) is further arranged on one side of the bottom of the electrophoresis tank (10), and a switch valve is further arranged on the liquid discharge pipe (15).
4. The real-time conductivity measurement device for milk according to claim 1, wherein: the bottom of the electrophoresis cell (10) is also fixed with a base (30), and the upper end of the base (30) is also provided with a supporting frame (40) for fixedly installing the detection equipment shell (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321145275.5U CN220289470U (en) | 2023-05-12 | 2023-05-12 | Real-time conductivity measurement device for milk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321145275.5U CN220289470U (en) | 2023-05-12 | 2023-05-12 | Real-time conductivity measurement device for milk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220289470U true CN220289470U (en) | 2024-01-02 |
Family
ID=89339319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321145275.5U Active CN220289470U (en) | 2023-05-12 | 2023-05-12 | Real-time conductivity measurement device for milk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220289470U (en) |
-
2023
- 2023-05-12 CN CN202321145275.5U patent/CN220289470U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104622514B (en) | A kind of ovulation test system and method based on dual sensor | |
| CN102175130A (en) | Real-time measuring device and measuring method for thickness of gas-containing liquid film in interface fluctuation | |
| CN202676734U (en) | Automobile wheel speed sensor on-line detection system | |
| CN220289470U (en) | Real-time conductivity measurement device for milk | |
| CN210071074U (en) | Equipment for testing sensitivity of movement of dry water meter | |
| CN206740199U (en) | A kind of high fraction super large range wave height measurement apparatus | |
| CN202794340U (en) | High-voltage digital type insulation resistance tester | |
| CN101650388B (en) | Measuring device and method of human body resistance under DC current | |
| CN103728104B (en) | A kind of watch waterproof performance test jig | |
| CN201255648Y (en) | Liquid level detecting device | |
| CN109030570A (en) | A kind of Single probe cotton measurement of water ratio electrode | |
| CN202256238U (en) | Portable edible oil quality test device | |
| CN114001799A (en) | Ultrasonic oil-water interface detection system based on large-scale oil storage tank | |
| CN2289249Y (en) | Communication cable failure detector | |
| CN207336435U (en) | A kind of transformer oil detector with humiture monitoring device | |
| CN201226003Y (en) | Apparatus for detecting liquid electrical parameter | |
| CN219891125U (en) | Intelligent cup type water content analyzer | |
| CN103575997A (en) | High-voltage digital insulation resistance tester | |
| CN207408580U (en) | For detecting the instrument of single-phase intelligent electric energy meter calibrating assembly line epitope contact performance | |
| CN203385340U (en) | An automatic metering and detection apparatus | |
| CN215641257U (en) | Portable crude oil water content analyzer | |
| CN106290480A (en) | A kind of detection device and method based on impedance data screening electrolyte film forming defective products | |
| CN218545851U (en) | Phthalic anhydride device high pressure steam pocket liquid level measurement device | |
| CN205102774U (en) | Aluminium alloy indentation degree of depth detection device | |
| CN204788568U (en) | Water level measurement device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |