CN201927212U - Simulated digital light column type liquidometer - Google Patents
Simulated digital light column type liquidometer Download PDFInfo
- Publication number
- CN201927212U CN201927212U CN2010206548375U CN201020654837U CN201927212U CN 201927212 U CN201927212 U CN 201927212U CN 2010206548375 U CN2010206548375 U CN 2010206548375U CN 201020654837 U CN201020654837 U CN 201020654837U CN 201927212 U CN201927212 U CN 201927212U
- Authority
- CN
- China
- Prior art keywords
- liquid level
- display
- shell
- light column
- level gauge
- 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 - Fee Related
Links
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to a simulated digital light column type liquidometer, belonging to the technical field of display instrument, in particular to a liquid level measuring meter used in a teaching practical training device. The simulated digital light column type liquidometer mainly comprises a meter outer shell, a signal converter, an LED (light-emitting diode) digital display and a light column display. A transparent cover plate is arranged on the outer shell which is internally provided with the signal converter, the LED digital display and the light column display. A display window of the display just faces against the transparent cover plate. With the adoption the mode of combining the outer shell with the digital display and a light column display, during the actual use, no actual measured media are introduced in the utility model, thereby the simulated digital light column type liquidometer has the advantages of intuitional and marked display, wide visual angle, long sight line, compact and reasonable structure, small maintenance quantity, low maintenance cost and long service life and the like without the phenomena of running, emitting, dropping and leakage and is flexible to use, safe and reliable. The liquidometer is an ideal simulated liquid level detecting meter. Meanwhile, the numerical reading and a unit on the unit nameplate form an integral reading, so that the simulated digital light column type liquidometer is very precise and has good market application value.
Description
Technical field
The utility model belongs to the display instrument technical field, relates to a kind of display instrument, is specifically related to a kind of simulated digital of using in teaching training apparatus (light beam) formula level gauging instrument, is used to imitate conventional online level gauging instrument.
Background technology
Conventional level gauging instrument is the on-line measurement instrument, this table is mounted on the container that stores liquid medium, for example: magnetic turnover panel liquid level gauge, magnetic turnover panel liquid level gauge is to be sensing element with the magnetic float, and, reflect the measurement instrument at tested liquid level or interface by magnetic float and the magnetic coupling interaction that shows magnetic in the look post.Level gauging transmitter for example again, when the liquid level of experiencing container inner medium when online level gauging transmitter changes, converting the liquid level variation to corresponding pressure by interface changes, pass to the pressure-sensitive diaphragm of sensor, sensor is changed the electric signal of induction through amplification, V/A, send CPU to handle, have decimal number to demonstrate the size of tested liquid level, thereby and provide analog quantity or digital quantity output to realize the process that liquid level shows, controls and change is sent.
But on the industrial processes actual training device of enterprise or universities and colleges, need to use with the similar measurement instrument of actual industrial production process condition, need a kind ofly to be installed in that (actual is no material on the process simulation actual training device, stress-free equipment) emulation level gauging instrument, the instrument contour structures need adopt the contour structures of similar magnetic turnover panel liquid level gauge, the variation that need experience the medium height when but actual online liquid level gauge is measured just has liquid level numerical value to be shown, if when not experiencing the liquid level change of measured medium be the size that can not demonstrate liquid level, therefore in the process simulation actual training device, therefore on container, there be the liquid level change of actual liquid medium just can test and operation training, on the container of the process simulation actual training device of no material, needs a kind of demonstration liquid level that can change emulation liquid level gauge just according to the normalized current signal magnitude of 4～20mA DC.In addition, if with actual digital level gauging instrument, must pass to the variation that actual material forms real liquid level in the actual training device so, this just to actual training device cause making, experimentation cost height, have high input, the maintaining difficulty, nor be convenient to test, complicated operation, situations such as leakage easily take place, dangerous, real training can not be carried out, maintenance is wasted time and energy.
Summary of the invention
The purpose of the present utility model is to be the solution the deficiencies in the prior art, and numeral (light beam) the formula liquid level gauge of a kind of imitation online numeral (light beam) the level gauging instrument that provides.
For achieving the above object, the present utility model is to realize by following technical scheme:
A kind of simulated digital light beam formula liquid level gauge mainly comprises meter case, signal converter, LED digital indicator, bar graphic display, signal wire joint, power cord connector and connecting pipe joint; Described shell is a hollow structure, and the front of shell has two rectangle windows, is fixed with transparent cover plate on the window, on the shell of transparent cover plate one side liquid level unit's nameplate is installed; The periphery top and bottom of shell are provided with and are used for simulated digital light beam formula liquid level gauge is fixedly mounted on connecting pipe joint on the equipment under test; The shell internal fixation is equipped with signal converter, LED digital indicator, bar graphic display, and the display window of described LED digital indicator and bar graphic display is over against transparent cover plate; The shell circumferential lateral surface is provided with introduces signal wire joint and the power connection that links to each other with the signal converter of installing in the enclosure in the watchcase with external signal line and power lead.
The utility model is when practical application, need not to pass to actual medium in the container, by a signal converter, earlier the dc current signal of 4～20mA is converted to the signal that light-emitting diode display and light beam formula display can receive, demonstrate by the size of wall pressure by light-emitting diode display and light beam formula display again, can directly show the reading of tested liquid level on the emulation liquid level gauge, the while has the outward appearance of light beam height change image again.
Usually, LED digital indicator described in the utility model is four LED digital indicators; Bar graphic display is 101 linear light post displays; The profile of described meter case is rectangular cylindricality; Described transparent cover plate is organic glass or plastic material.
The beneficial effects of the utility model are:
The mode that simulated digital (light beam) formula liquid level gauge has adopted shell to combine with digital indicator and bar graphic display, not only reading is intuitively accurate, convenient, image, eye-catching, and owing to need not to pass to actual measured medium during actual the use, only need the dc current signal of input 4～20mA, with the current signal simulation is the size of liquid level signal, can not produce leakage phenomenon like this, cost and input have been reduced, be not subjected to the restriction of service condition, (4～20mA) size of standard demonstrates the height of the liquid level of surveying according to input current signal, can in having simulation training device in kind, not use, everywhere can real training.
Owing to not only there is the LED numeral to show, and also has the variation of measured medium liquid level in the container that the light beam height change vividly describes, therefore this instrument have intuitive display, eye-catching, the visual angle is wide, sight line is far away, compact conformation is reasonable, use is flexible, safe and reliable, there is not " run, drip, leak " phenomenon, advantages such as maintenance is little, and maintenance cost is low, the life-span is long are desirable emulation Level Detection instrument; Simultaneously, the unit on reading and the unit nameplate is combined into a complete reading, and is very accurate, has good market using value.。
Description of drawings
Fig. 1 is the front view of the utility model embodiment; Fig. 2 is a functional-block diagram of the present utility model.
Among the figure, the 1-shell; The 2-bar graphic display; The 3-transparent cover plate; The 4-LED digital indicator; 5,6-connecting pipe joint; 7-instrument famous brand; 8-unit's nameplate; The 9-signal wire; 10-signal line cable overcoat; The 11-signal wire joint; 12-scale: 13-power lead; 14-power lead cable jacket; The 14-power cord connector.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is done concrete introduction.
Embodiment
Present embodiment as shown in Figure 1, the numeral of present embodiment (light beam) formula liquid level gauge mainly comprises shell 1, bar graphic display 2, transparent cover plate 3, LDE digital indicator 4, connecting pipe joint 5,6, instrument famous brand 7, unit nameplate 8, signal wire 9, signal line cable overcoat 10, signal line cable joint 11, scale 12, power lead 13, power lead cable jacket 14, power cord connector 15.
In order to play simulated effect, shell 1 adopts rectangular cylindricality, shell 1 is a hollow structure, above the front of shell 1 and in below be provided with two openings, transparent cover plate 3 is installed on opening, can have an X-rayed four LED digital indicators and the 101 linear light post displays installed in the shell 1, can by the LED digital indicator show liquid level gauge reading, show the container inner medium liquid level by bar graphic display simultaneously; The side unit of a being equipped with nameplate 8 of two transparent cover plates 3 on shell 1, unit is % (or M, cm) etc., the liquid level numeral that shows and the unit of unit nameplate 8 and the scale value of demonstration liquid level and the unit of unit nameplate 8 have so just constituted two each and every one complete readings.
Periphery upper and lower at shell 1 is provided with connecting pipe joint 6, and connecting pipe 5 is fixedly mounted on the connecting pipe joint 6, and connecting pipe 5 is used for fixedlying connected with tankage, and simulated digital (light beam) liquid level gauge of present embodiment is installed on the process equipment.Digital indicator and bar graphic display are fixedly mounted in the hollow of shell 1, and the reading district of digital liquid level gauge (being display window) faces transparent cover plate 3, the directly reading of reading number indicator gauge.Present embodiment LED digital indicator adopts four-wire system to carry out the signal transmission, the standard model is the dc current signal of 4～20mA, supply voltage is 24V DC, characteristics are to be provided and the corresponding 4～20mA simulating signal of pressure range by process simulation software and DCS system under no medium situation, thereby reach the purpose of imitation at magnetic turnover panel liquid level gauge and fluid level transmitter, simple, directly perceived, be convenient to demonstration and operation training.
On the periphery of shell 1, also be provided with signal wire joint 11, signal wire 9 is introduced in the shell 1 from the outside by signal wire joint 11, be connected with the signal converter in being fixedly mounted on shell 1, as shown in Figure 2, give LED digital indicator and bar graphic display by signal converter by change-over circuit and current signal of driving circuit output again, the processing of the circuit board in digital indicator and bar graphic display, show a corresponding liquid level numerical value by digital indicator, show a corresponding liquid level percentage by light beam electricity display and scale, because the display window of digital indicator and light beam electricity display faces transparent cover plate 3, therefore can be clear, reading on the read-out display easily.
In order to save cost and easy to process, the transparent cover plate 3 of present embodiment can adopt materials such as organic glass, plastic cement to make.
In use, connecting pipe 6 is fixedlyed connected with pipeline or equipment, signal wire 9 is connected with the DCS system, power lead 13 is connected with DCS system power supply terminal, when real training, gives electric signal of simulated digital (light beam) formula liquid level gauge by simulation operations station (computing machine), processing through signal converter, digital indicator, bar graphic display, show corresponding reading, the liquid level value just can be read easily by the unit on the bonding unit nameplate 8.Just can carry out real training owing to when real training, need not to pass to actual medium, therefore highly beneficial for maintaining; And what the utility model adopted is LED digital indicator and bar graphic display, directly shows numerical value, need not to convert, and reading comes into plain view, and is vivid.The real training cost is lower, and is easy to operate, do not have the misgivings of leakage, has very high using value.
The foregoing description does not limit the utility model in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in the protection domain of the present utility model.
Claims (5)
1. a simulated digital light beam formula liquid level gauge is characterized in that mainly comprising meter case, signal converter, LED digital indicator, bar graphic display, signal wire joint, power cord connector and connecting pipe joint; Described shell is a hollow structure, and the front of shell has two rectangle windows, is fixed with transparent cover plate on the window, on the shell of transparent cover plate one side liquid level unit's nameplate is installed; The periphery top and bottom of shell are provided with and are used for simulated digital light beam formula liquid level gauge is fixedly mounted on connecting pipe joint on the equipment under test; The shell internal fixation is equipped with signal converter, LED digital indicator, bar graphic display, and the display window of described LED digital indicator and bar graphic display is over against transparent cover plate; The shell circumferential lateral surface is provided with introduces signal wire joint and the power connection that links to each other with the signal converter of installing in the enclosure in the watchcase with external signal line and power lead.
2. liquid level gauge as claimed in claim 1 is characterized in that the LED digital indicator is four LED digital indicators.
3. liquid level gauge as claimed in claim 1 is characterized in that bar graphic display is 101 linear light post displays.
4. liquid level gauge as claimed in claim 1, the profile that it is characterized in that meter case is rectangular cylindricality.
5. liquid level gauge as claimed in claim 1 is characterized in that transparent cover plate is an organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206548375U CN201927212U (en) | 2010-12-13 | 2010-12-13 | Simulated digital light column type liquidometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206548375U CN201927212U (en) | 2010-12-13 | 2010-12-13 | Simulated digital light column type liquidometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201927212U true CN201927212U (en) | 2011-08-10 |
Family
ID=44431050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206548375U Expired - Fee Related CN201927212U (en) | 2010-12-13 | 2010-12-13 | Simulated digital light column type liquidometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201927212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103809A (en) * | 2010-12-13 | 2011-06-22 | 南京化工职业技术学院 | Simulated digital light column type liquid level meter |
-
2010
- 2010-12-13 CN CN2010206548375U patent/CN201927212U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103809A (en) * | 2010-12-13 | 2011-06-22 | 南京化工职业技术学院 | Simulated digital light column type liquid level meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202255745U (en) | Multifunctional industrial pressure gage | |
| CN205383983U (en) | Displacement measuring apparatus | |
| CN102103809A (en) | Simulated digital light column type liquid level meter | |
| CN201927212U (en) | Simulated digital light column type liquidometer | |
| CN208075988U (en) | A kind of explosion-proof type magnetostriction liquidometer can measure multiple liquid levels | |
| CN205679354U (en) | A kind of pressure gauge for fire fighting | |
| CN102013184A (en) | Simulation digital pressure gage | |
| CN202141715U (en) | Hygrometer | |
| CN207282037U (en) | Emulate pressure reducing valve | |
| CN201221955Y (en) | Multifunctional test experiment instrument | |
| CN202003523U (en) | Emulated digital pressure gauge | |
| CN205748499U (en) | A kind of electronics soap film flowmeter | |
| CN205609045U (en) | Mechanical engineering test technology experiment platform | |
| CN102436777A (en) | Electronic simulation manually operated valve with continuously adjustable property | |
| CN210324801U (en) | Demonstration platform for professional metering instruments | |
| CN204924262U (en) | Digital changer instrument that shows of LED light beam | |
| CN202420425U (en) | Digital displacement sensor measuring instrument | |
| CN201672955U (en) | Intelligent electromechanical differential pressure liquid level gauge | |
| CN202814475U (en) | Combined flowmeter | |
| CN202363014U (en) | Simulation continuously-adjustable hand-operated valve with digital display | |
| CN218724515U (en) | Intelligent liquid level pressure transmitter | |
| CN201892549U (en) | Circulation display water meter | |
| CN220289644U (en) | Electrician's table of digital demonstration of LED LCD light pole | |
| CN201203983Y (en) | Liquid level control experimental device | |
| CN209387176U (en) | A kind of electro-hydraulic remote control valve drive torque measurement experimental rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |