CN202599475U - Reactive material level detection device - Google Patents
Reactive material level detection device Download PDFInfo
- Publication number
- CN202599475U CN202599475U CN 201220241373 CN201220241373U CN202599475U CN 202599475 U CN202599475 U CN 202599475U CN 201220241373 CN201220241373 CN 201220241373 CN 201220241373 U CN201220241373 U CN 201220241373U CN 202599475 U CN202599475 U CN 202599475U
- Authority
- CN
- China
- Prior art keywords
- material level
- signal
- electrode
- amplifier
- reactance
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model provides a reactive material level detection device, which comprises a shell, an insulating base plate, a material level reactance electrode, a material level medium change electrode, a material level range correction electrode, a material level zero-point correction electrode, a negative measuring electrode, a material level reactance signal amplifier, a material level medium change signal amplifier, a material level range correction signal amplifier, a material level zero-point correction signal amplifier, a signal processor, a voltage-to-current converter, an oscillating exciter and a direct-current regulated power supply. The detection process of the device comprises the steps that all electrode output signals detected by the electrodes are transmitted to the signal amplifiers corresponding to the electrodes for amplification, then the amplified signals are transmitted to the signal processor for processing to obtain a material level voltage signal, and finally the voltage-to-current converter converts the material level voltage signal into a material level current signal for use. The reactive material level detection device has the advantages that the level of materials in a storage bin can be intuitively detected, the change of physical coefficients of media can be detected during operation, the detected material level signal can be corrected, the material level detection result is enabled to be accurate, and the reactive material level detection device is simpler and more convenient to use.
Description
One, technical field
The utility model belongs to the instrument and meter for automation field, is the pick-up unit that liquid in a kind of detection receptacle, powdery or granular material vertical height change specifically.
Two, background technology
Detect material level, i.e. liquid in the detection receptacle, Powdered or granular material vertical height variation.Existing detection means is many, as: condenser type, admitthance, they all have movement-less part, long service life, advantages such as easy processing.But also there is narrow in application range; Before use will be to equipment effect repeatedly; When the medium physical parameter changed, the error of measurement will increase greatly, therefore essentially the level-sensing device of condenser type, these two kinds of detection methods of admitthance to exist accuracy of detection low, the significant deficiency of poor repeatability.Can only be used in the applications that the medium physical parameter can not change, accuracy requirement is not high.
Three, summary of the invention
The purpose of the utility model provide a kind of need not use before effect repeatedly, in use when medium parameter changes, can revise automatically, testing result is the reactance material-level detecting device accurately.
The reactance material-level detecting device of the utility model comprises electrode system, and housing is contained in the Circuits System in the housing; It is characterized in that electrode system comprises insulated substrate, the material level that be contained in material level reactance electrode, the material level media variations electrode that is used to detect the media variations signal, the material level range correction electrode that is used for the correction of material level range that are used to detect material level reactance signal on the insulated substrate, is used for that material level revises zero point is revised electrode, measures negative electrode zero point; Circuits System comprises material level reactance signal amplifier, material level media variations signal amplifier, material level range corrected signal amplifier, material level corrected signal at the zero point amplifier that is used to amplify the arrangement signal; The signal processor that is used for signal Processing; Be used for voltage signal is converted into the voltage current adapter of current signal; Be used to produce the vibratory stimulation device of driving source, be used to supply with the D.C. regulated power supply of the required power supply of reactance material-level detecting device; Described housing is provided with the input terminal of material level reactance signal amplifier; The input terminal of material level media variations signal amplifier; Material level range corrected signal amplifier input terminal, material level corrected signal at zero point amplifier input terminal, the lead-out terminal of vibratory stimulation device; Current output terminal, the supply voltage input terminal; The signal output part of described material level reactance electrode is connected to the input terminal of material level reactance signal amplifier; The signal output part of material level media variations electrode is connected to the input terminal of material level media variations signal amplifier; The signal output part of material level range correction electrode is connected to material level range corrected signal amplifier input terminal, and the signal output part that material level is revised electrode zero point is connected to material level corrected signal at zero point amplifier input terminal; The output of material level reactance signal amplifier, material level media variations signal amplifier, material level range corrected signal amplifier, material level corrected signal at zero point amplifier is connected to the signal processor input end; The signal that signal processor receives process material level reactance signal amplifier, material level media variations signal amplifier, material level range corrected signal electrode amplifier, material level corrected signal at zero point amplifier amplifies and put in order is handled calculating again, obtains 0-5V material level voltage signal; The signal processor output terminal is connected with the input end of voltage current adapter; Voltage current adapter converts the 0-5V material level voltage signal that signal processor processes calculates to 4-20mA material level current signal; This material level current signal promptly is the measurement result of controlling level, and this current signal measurement result is delivered to other indicating instrument or opertaing device use through current output terminal; The input end of described measurement negative electrode is connected to the lead-out terminal of vibratory stimulation device; The input of described D.C. regulated power supply is connected to external AC 220V supply voltage through the supply voltage input terminal, and output is connected to material level reactance signal amplifier, media variations signal amplifier, material level range corrected signal amplifier, material level corrected signal at zero point amplifier, signal processor, the voltage current adapter of Circuits System, the power input of vibratory stimulation device respectively.
The reactance material-level detecting device of the utility model, the length of described material level reactance electrode, material level media variations electrode, measurement negative electrode is consistent or inconsistent, material level media variations electrode is installed in material level reactance electrode and measures between the negative electrode.
The described material level of the utility model is revised the least significant end that electrode is installed in insulated substrate zero point, is used for accurately detecting material level corrected signal at zero point; Material level range correction electrode is installed in 10%-100% height and position on the insulated substrate, is used for accurately detecting material level range corrected signal when controlling level changes.
The utility model reactance material-level detecting device can detect the controlling level in the feed bin intuitively, and can also be in operation detects the variation of medium physics coefficient, and the material level value that detects is revised, and makes its result accurate, uses easylier, and the scope of application is wider.
Four, description of drawings
Accompanying drawing is the one-piece construction schematic diagram of the reactance material-level detecting device of the utility model.
Among the figure 1 is material level reactance electrode, the 2nd, and material level media variations electrode, the 3rd, material level range correction electrode; The 4th, material level is revised electrode zero point, and the 5th, measure negative electrode, the 6th, insulated substrate; A1 is a material level reactance signal amplifier, and A2 is a material level media variations signal amplifier, and A3 is a material level range corrected signal amplifier; A4 is material level corrected signal at a zero point amplifier, and A5 is a signal processor; A6 is a voltage current adapter, and A9 is the vibratory stimulation device, and A10 is a D.C. regulated power supply; J1 is a material level reactance signal amplifier input terminal; J2 is a material level media variations signal input terminal; J3 is material level range corrected signal amp.in, and J4 is material level corrected signal at zero point amp.in, and J4 is a vibratory stimulation device lead-out terminal; J6, J7 are current output terminal, and J8, J9 are the supply voltage input terminals.
Two, embodiment
Below in conjunction with accompanying drawing and embodiment the technical scheme of the utility model reactance material-level detecting device is done and to be further described.
Shown in accompanying drawing, the reactance material-level detecting device of the utility model comprises electrode system, and housing is contained in the Circuits System in the housing.
Electrode system comprises insulated substrate 6, and the material level that be contained in material level reactance electrode 1, the material level media variations electrode 2 that is used to detect the media variations signal, the material level range correction electrode 3 that is used for the correction of material level range that are used to detect material level reactance signal on the insulated substrate 6, is used for that material level revises zero point is revised electrode 4, measures negative electrode 5 zero point; Described material level reactance electrode 1, material level media variations electrode 2, the length of measuring negative electrode 5 be consistent, and material level media variations electrode 2 is installed between material level reactance electrode 1 and the measurement negative electrode 5.Revise the least significant end that electrode 4 is installed in insulated substrate 6 said zero point, is used for accurately detecting material level corrected signal at zero point; Material level range correction electrode 3 is installed in the position of 25% height on the insulated substrate, the material level range corrected signal when being used to detect the controlling level variation.
Circuits System comprises material level reactance signal amplifier A1, material level media variations signal amplifier A2, material level range corrected signal amplifier A3, material level corrected signal at the zero point amplifier A4 that is used to amplify the arrangement signal; The signal processor A5 that is used for signal Processing; Be used for voltage signal is converted into the voltage current adapter A6 of current signal; Be used to produce the vibratory stimulation device A9 of driving source, be used to supply with the D.C. regulated power supply A10 of the required power supply of reactance material-level detecting device; Described housing is provided with the input terminal J1 of material level reactance signal amplifier A1; The input terminal J2 of material level media variations signal amplifier A2; The input terminal J3 of material level range corrected signal amplifier A3, the input terminal J4 of material level corrected signal at zero point amplifier A4, the lead-out terminal J5 of vibratory stimulation device A9; The sub-J6 of current output terminal, J7, supply voltage input terminal J8, J9; The signal output part of described material level reactance electrode 1 is connected to the input terminal J1 of material level reactance signal amplifier A1; The signal output part of material level media variations electrode 2 is connected to the input terminal J2 of material level media variations signal amplifier A2; The signal output part of material level range correction electrode 3 is connected to the input terminal J3 of material level range corrected signal amplifier A3, and the signal output part that material level is revised electrode 4 zero point is connected to the input terminal J4 of material level corrected signal at zero point amplifier A4; The output of material level reactance signal amplifier A1, material level media variations signal amplifier A2, material level range corrected signal amplifier A3, material level corrected signal at zero point amplifier A4 is connected to signal processor A5 input; The signal that signal processor A5 receives process material level reactance signal amplifier A1, material level media variations signal amplifier A2, material level range corrected signal amplifier A3, material level corrected signal at zero point amplifier A4 amplifies and put in order is handled calculating again, obtains 0-5V material level voltage signal; Signal processor A5 output terminal is connected with the input end of voltage current adapter A6; Voltage current adapter A6 handles the 0-5V material level voltage signal that calculates to signal processor A5 and converts 4-20mA material level current signal value to; This material level current signal value promptly is the measurement result of controlling level, and this current signal value is delivered to other indicating instrument or opertaing device use through the sub-J6 of current output terminal, J7; The input end of described measurement negative electrode 5 is connected to vibratory stimulation device A9 lead-out terminal J5, makes to measure the vibratory stimulation signal that negative electrode 5 has negative polarity; The input of described D.C. regulated power supply A10 is connected to the supply voltage of external AC 220V through supply voltage input terminal J8, J9, and output is connected to material level reactance signal amplifier A1, media variations signal amplifier A2, material level range corrected signal amplifier A3, material level corrected signal at zero point amplifier A4, signal processor A5, the voltage current adapter A6 of Circuits System, the power input of vibratory stimulation device A9 respectively.
The testing process that the reactance material-level detecting device of use the utility model carries out controlling level is: each electrode on insulated substrate 6 and the insulated substrate 6 is installed to the magazine inwall, and energized, magazine begins to carry out storing; When material contact measurement negative electrode 5, measure negative electrode 5 and receive the pumping signal that vibratory stimulation device A9 is produced, and act on the material; When material touched material level reactance electrode, the material level reactance signal that electrode detection is come out was delivered to material level reactance signal amplifier A1 through material level reactance signal amplifier input terminal J1 and is amplified; When material touched material level media variations electrode, the material level media variations signal that electrode detection is come out was delivered to material level media variations signal amplifier A2 through material level media variations signal input terminal J2 and is amplified; When material touched material level and revises electrode 4 zero point, the material level corrected signal at zero point that electrode detection is come out was delivered to material level corrected signal at zero point amplifier A4 through the sub-J4 of material level corrected signal at zero point amp.in and is amplified; Material level in magazine rises to 25% of range; When material touches material level range correction electrode 3; The material level range corrected signal that electrode detection is come out is delivered to material level range corrected signal amplifier A3 through the sub-J3 of material level range corrected signal amp.in and is amplified; Signal processor A5 is at the material level signal that receives after material level reactance signal amplifier A1, material level media variations signal amplifier A2, material level range corrected signal amplifier A3 and material level corrected signal at zero point amplifier A4 output terminal provide amplification; Draw the material level voltage signal output that converts 0-5V after the controlling level information into through computing and deliver to voltage current adapter A6; Voltage current adapter A6 is converted into the 4-20mA current signal with 0-5V material level voltage signal, and the material level electric current of 4-20mA supplies instrument indication and control system to use through the sub-J6 of current output terminal, J7 output.
More than show and described the ultimate principle of the utility model, the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the explanation that the utility model just is described; The utility model also has various changes and modifications under spirit that does not break away from the utility model and scope prerequisite, and these variations and improvement all fall in the scope that requires protection.
Claims (2)
1. a reactance material-level detecting device comprises electrode system, and housing is contained in the Circuits System in the housing; It is characterized in that electrode system comprises insulated substrate (6), the material level that be contained in material level reactance electrode (1), the material level media variations electrode (2) that is used to detect the media variations signal, the material level range correction electrode (3) that is used for the correction of material level range that are used to detect material level reactance signal on the insulated substrate (6), is used for that material level revises zero point is revised electrode (4), measures negative electrode (5) zero point; Circuits System comprises material level reactance signal amplifier (A1), material level media variations signal amplifier (A2), material level range corrected signal amplifier (A3), material level corrected signal at the zero point amplifier (A4) that is used to amplify the arrangement signal; The signal processor (A5) that is used for signal Processing; Be used for voltage transitions is the voltage current adapter (A6) of electric current; Be used to produce the vibratory stimulation device (A9) of driving source, be used to supply with the D.C. regulated power supply (A10) of the required power supply of reactance material-level detecting device; Described housing is provided with material level reactance signal amplifier (A1) input terminal (J1); Material level media variations signal amplifier (A2) input terminal (J2); The input terminal (J3) of material level range corrected signal amplifier (A3), material level corrected signal at zero point amplifier (A4) input terminal (J4), vibratory stimulation device (A9) lead-out terminal (J5); Current output terminal (J6, J7), supply voltage input terminal (J8, J9); The signal output part of described material level reactance electrode (1) is connected to material level reactance signal amplifier (A1) input terminal (J1); The signal output part of material level media variations electrode (2) is connected to material level media variations signal amplifier (A2) input terminal (J2); The signal output part of material level range correction electrode (3) is connected to material level range corrected signal amplifier (A3) input terminal (J3), and the signal output part that material level is revised electrode (4) zero point is connected to material level corrected signal at zero point amplifier (A4) input terminal (J4); The output of material level reactance signal amplifier (A1), material level media variations signal amplifier (A2), material level range corrected signal amount amplifier (A3), material level corrected signal at zero point amplifier (A4) is connected to signal processor (A5) input; The signal that signal processor (A5) receives process material level reactance signal amplifier (A1), material level media variations signal amplifier (A2), material level range corrected signal amplifier (A3), material level corrected signal at zero point amplifier (A4) amplifies and put in order is handled calculating again, obtains 0-5V material level voltage signal; Signal processor (A5) output terminal is connected with the input end of voltage current adapter (A6); Voltage current adapter (A6) is handled the 0-5V material level voltage signal that calculates to signal processor (A5) and is converted 4-20mA material level current signal to; This material level current signal promptly is the measurement result of controlling level, and this current signal measurement result is delivered to other indicating instrument or opertaing device use through current output terminal (J6, J7); The input end of described measurement negative electrode (5) is connected to vibratory stimulation device (A9) lead-out terminal (J5); The input of described D.C. regulated power supply (A10) is connected to the supply voltage of external AC 220V through supply voltage input terminal (J8, J9), and output is connected to material level reactance signal amplifier (A1), media variations signal amplifier (A2), material level range corrected signal amplifier (A3), material level corrected signal at zero point amplifier (A4), signal processor (A5), the voltage current adapter (A6) of Circuits System, the power input of vibratory stimulation device (A9) respectively.
2. reactance material-level detecting device according to claim 1; The length that it is characterized in that described material level reactance electrode (1), material level media variations electrode (2), measures negative electrode (5) is for consistent or inconsistent, and material level media variations electrode (2) is installed in material level reactance electrode (1) and measures between the negative electrode (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241373 CN202599475U (en) | 2012-05-24 | 2012-05-24 | Reactive material level detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241373 CN202599475U (en) | 2012-05-24 | 2012-05-24 | Reactive material level detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202599475U true CN202599475U (en) | 2012-12-12 |
Family
ID=47317006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220241373 Expired - Lifetime CN202599475U (en) | 2012-05-24 | 2012-05-24 | Reactive material level detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202599475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680051A (en) * | 2012-05-24 | 2012-09-19 | 冼海涛 | Reactance-type material level detecting device |
-
2012
- 2012-05-24 CN CN 201220241373 patent/CN202599475U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680051A (en) * | 2012-05-24 | 2012-09-19 | 冼海涛 | Reactance-type material level detecting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203534998U (en) | Electromagnetic induction type device for detecting solution density | |
| CN104776956A (en) | Test device for pressure sensors | |
| CN103278290A (en) | Non-linear compensation circuit of pressure sensor | |
| WO2021142862A1 (en) | Liquid testing apparatus, holding tank, device, and testing method | |
| CN202599475U (en) | Reactive material level detection device | |
| CN203672558U (en) | Pressure sensor testing device | |
| CN107110681A (en) | Flow measurement device | |
| CN102680051B (en) | Reactance-type material level detecting device | |
| CN104677460B (en) | Liquid level detection device | |
| KR101435104B1 (en) | Hybrid detecting apparatus for sensin solinity and liquid level | |
| CN201096843Y (en) | Detection device for measuring metal conductivity instrument based on backset phase | |
| CN205785306U (en) | A kind of hydrogen detection system based on metal-oxide gas sensor | |
| CN202372102U (en) | Aligning force and aligning displacement detector for separable angular contact ball bearing | |
| CN105371906A (en) | Electromagnetic type flow meter with variable-frequency liquid electrical conductivity measuring function | |
| CN203191005U (en) | Precession vortex flowmeter | |
| CN210346870U (en) | Automatic material taking and detecting device for vending cabinet | |
| CN201780139U (en) | Intelligent level measuring device | |
| CN111121999B (en) | Temperature measuring circuit of PT100 resistance core with constant current source | |
| CN204116307U (en) | A kind of capillary water content measurement device | |
| CN103913192B (en) | A kind of electric charges amplify sing1e unit calibration device and calibration steps | |
| CN204730912U (en) | Condenser type sensing automotive oil level system | |
| CN221925274U (en) | Mixed medium interface monitoring system | |
| CN206687876U (en) | Memory system for dental chair running position | |
| CN203745514U (en) | Broadband linear voltage isolator | |
| CN204495427U (en) | A kind of digital Level meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121212 Effective date of abandoning: 20131023 |
|
| RGAV | Abandon patent right to avoid regrant |