CN209656131U - A kind of many reference amounts guided wave radar material level gauge - Google Patents
A kind of many reference amounts guided wave radar material level gauge Download PDFInfo
- Publication number
- CN209656131U CN209656131U CN201920777732.XU CN201920777732U CN209656131U CN 209656131 U CN209656131 U CN 209656131U CN 201920777732 U CN201920777732 U CN 201920777732U CN 209656131 U CN209656131 U CN 209656131U
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- temperature
- measuring rod
- sensing element
- transceiver module
- processing circuit
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a kind of many reference amounts guided wave radar material level gauges, including gauge outfit, process connector, transceiver module and measuring rod for conducting electromagnetic wave, it is connected between measuring rod and gauge outfit by process connector, transceiver module is used to emit electromagnetic wave and receive the echo-signal of electromagnetic wave, gauge outfit includes shell and the processing circuit for being built in shell, processing circuit and transceiver module communicate to connect, measuring rod boring is to be formed with the wire channel extended along measuring rod, the end of measuring rod is provided with temperature-sensing element, signal conductor is provided in wire channel, one end of signal conductor is connect with temperature-sensing element, the other end is connect with processing circuit, temperature-sensing element is used for the temperature of measuring medium and temperature information is converted to corresponding electric signal.
Description
Technical field
The utility model relates to level meter technical field more particularly to a kind of many reference amounts guided wave radar material level gauges.
Background technique
Currently, existing guided wave radar material level gauge in the market, also there is thermal resistance temperature transmitter.The structure of the two is by gauge outfit
(shell+internal processing circuitry), connector (process connection), measuring electrode (cable formula or rod-type) composition.Guided wave radar material level gauge
The height of solid material, liquid material medium mainly in measurement industrial automation production, principle is that gauge outfit passes through radio frequency electrical
Cable emits the electromagnetic wave propagated along measuring electrode from connector, and electromagnetic wave forms echo-signal, table when encountering measured medium surface
Head receives the echo-signal returned, and calculates transmitting and received time difference, to calculate the distance of connector to medium.Heat
Resistance temperature transmitter is the temperature of solid material or liquid level material in measurement industrial automation production.Its principle is that gauge outfit passes through
Measuring electrode connects the temperature-sensing element of end, and detects the variation of temperature-sensing element, to calculate temperature value.
The shortcomings that above-mentioned prior art, is: when needing measuring medium height simultaneously and medium temperature, needing using two kinds
Different products, and need to lay two-way cable and setting two-way acquisition module, higher operating costs；It needs when installation in container
On open two mounting holes, it is not convenient enough.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of many reference amounts guided wave radar levels
Meter both can measure the height of medium or can measure the temperature of medium, and can be reduced the number of openings of media Containers when installation and subtract
The laying quantity of few cable realizes easily installation.
The purpose of this utility model adopts the following technical scheme that realization:
A kind of many reference amounts guided wave radar material level gauge, including gauge outfit, process connector, transceiver module and for conducting electromagnetic wave
Measuring rod, connected between the measuring rod and the gauge outfit by the process connector, the transceiver module is for emitting
Electromagnetic wave and the echo-signal for receiving electromagnetic wave, the gauge outfit includes shell and the processing circuit for being built in the shell, institute
It states processing circuit and the transceiver module communicates to connect, the measuring rod boring extends to be formed with along the measuring rod
Wire channel, the end of the measuring rod is provided with temperature-sensing element, signal conductor, the letter is provided in the wire channel
One end of number conducting wire is connect with the temperature-sensing element, and the other end is connect with the processing circuit, and the temperature-sensing element is for measuring
Temperature information is simultaneously converted to corresponding electric signal by the temperature of medium.
Further, the transceiver module includes radio-frequency cable.
Compared with prior art, the utility model has the beneficial effects that:
Many reference amounts guided wave radar material level gauge provided by the utility model, including gauge outfit and measuring rod, gauge outfit include shell
And it is built in the processing circuit of shell, the end of measuring rod is provided with temperature-sensing element, and temperature-sensing element is used for the temperature of measuring medium
And temperature information is converted into electric signal, and by signal conductor by electric signal transmission to processing circuit, both can measure medium
Height also can measure the temperature of medium, to solve the wasting of resources of single-measurement；And it can be reduced the aperture of media Containers when installing
Quantity and the laying quantity for reducing cable realize easily installation and maintenance；
The measuring rod boring of many reference amounts guided wave radar material level gauge is to be formed with the conducting wire extended along the measuring rod
Channel, signal conductor is set in the wire channel, so that measuring rod plays protective action to signal conductor；
The temperature-sensing element of many reference amounts guided wave radar material level gauge is located at the end of measuring rod, can the maximum length for utilizing measuring rod
Degree, requirement when reducing temperature-sensing element measurement to medium level.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of many reference amounts guided wave radar material level gauge of the utility model preferred embodiment.
In figure: 1, gauge outfit；2, process connector；3, measuring rod；31, wire channel；4, temperature-sensing element；32, signal conductor.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
It is the structural schematic diagram of many reference amounts guided wave radar material level gauge of the utility model preferred embodiment shown in Fig. 1.This is more
Parameter guided wave radar material level gauge, including gauge outfit 1, process connector 2, transceiver module and measuring rod 3 for conducting electromagnetic wave,
Transceiver module is used to emit electromagnetic wave and receive the echo-signal of electromagnetic wave, and gauge outfit 1 includes shell and the processing for being built in shell
Circuit, shell play protective action to processing circuit, prevent processing circuit from being corroded by external environment, processing circuit and transceiver module
Communication connection, 3 boring of measuring rod is to be formed with the wire channel 31 extended along measuring rod 3, and the end of measuring rod 3 is set
It is equipped with temperature-sensing element 4, signal conductor 32 is provided in wire channel 31, one end of signal conductor 32 is connect with temperature-sensing element 4, letter
The other end of number conducting wire 32 is connect with processing circuit, temperature-sensing element 4 for measuring medium temperature and temperature information is converted to
Corresponding electric signal.Specifically, transceiver module includes radio-frequency cable, and processing circuit is emitted by radio-frequency cable along measuring rod
The electromagnetic wave of 3 conduction.
The detection process of many reference amounts guided wave radar material level gauge of the present embodiment is as follows:
Temperature taking process: temperature information is converted to electric signal by the temperature-sensing element 4 of 3 end of measuring rod, and passes through measurement
Signal conductor 32 in bar 3 is transmitted to the processing circuit of gauge outfit 1, and processing circuit calculates corresponding temperature value and exports supreme
Position machine；Meanwhile temperature value can be used for temperature-compensating to carry out distance parameter amendment.
Level gauging process: the processing circuit inside gauge outfit 1 emits the electromagnetism conducted along measuring rod 3 by radio-frequency cable
Wave, electromagnetic wave start to return to corresponding echo-signal when encountering measured medium surface, and processing circuit receives the echo-signal returned,
And transmitting and received time difference are calculated, connector is then calculated to medium according to temperature-distance correction coefficient and setting value
Distance, and the numerical value of the distance is exported to host computer.
Many reference amounts guided wave radar material level gauge provided by the present embodiment both can measure the height of medium or can measure medium
Temperature, to solve the wasting of resources of single-measurement；And it can be reduced the number of openings of media Containers when installing and reduce applying for cable
If quantity, easily installation and maintenance are realized；
Signal conductor 32 is set in wire channel 31, so that measuring rod 3 plays protective action to signal conductor 32, at this time may be used
Measuring rod 3 to be regarded as to the guard shield of signal conductor 32；
The temperature-sensing element 4 of many reference amounts guided wave radar material level gauge is located at the end of measuring rod 3, on the one hand, maximum can utilize
The length of measuring rod 3 reduces requirement when temperature-sensing element 4 measures to medium level, if the position of temperature-sensing element 4 is higher than measurement
The end of bar 3, and measure when medium height be lower than temperature-sensing element 4 height, at this time at most can only measuring medium height and
It is unable to the temperature of measuring medium, the end that temperature-sensing element 4 is set to measuring rod 3 can be reduced into such case as far as possible, is reduced
Requirement when temperature-sensing element 4 measures to medium level；
On the other hand, temperature-sensing element 4 is set to the end of measuring rod 3, using the temperature data of temperature-sensing element 4 to electricity
Electromagnetic wave propagation rate carries out temperature adjustmemt, to improve level gauging precision.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (2)
1. a kind of many reference amounts guided wave radar material level gauge, including gauge outfit, process connector, transceiver module and for conducting electromagnetic wave
Measuring rod is connected between the measuring rod and the gauge outfit by the process connector, and the transceiver module is for emitting electricity
Magnetic wave and the echo-signal for receiving electromagnetic wave, it is characterised in that: the gauge outfit includes shell and the place for being built in the shell
Circuit is managed, the processing circuit and the transceiver module communicate to connect, and the measuring rod boring is to be formed with along described
The wire channel that measuring rod extends, the end of the measuring rod is provided with temperature-sensing element, is provided with signal in the wire channel
Conducting wire, one end of the signal conductor are connect with the temperature-sensing element, and the other end is connect with the processing circuit, the temperature-sensitive member
Part is used for the temperature of measuring medium and temperature information is converted to corresponding electric signal.
2. many reference amounts guided wave radar material level gauge as described in claim 1, it is characterised in that: the transceiver module includes radio frequency electrical
Cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777732.XU CN209656131U (en) | 2019-05-28 | 2019-05-28 | A kind of many reference amounts guided wave radar material level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920777732.XU CN209656131U (en) | 2019-05-28 | 2019-05-28 | A kind of many reference amounts guided wave radar material level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209656131U true CN209656131U (en) | 2019-11-19 |
Family
ID=68530530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920777732.XU Active CN209656131U (en) | 2019-05-28 | 2019-05-28 | A kind of many reference amounts guided wave radar material level gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209656131U (en) |
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2019
- 2019-05-28 CN CN201920777732.XU patent/CN209656131U/en active Active
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