CN209148083U - Magnetic double level gauge with the reflexive feedback system of pressure - Google Patents
Magnetic double level gauge with the reflexive feedback system of pressure Download PDFInfo
- Publication number
- CN209148083U CN209148083U CN201821924572.9U CN201821924572U CN209148083U CN 209148083 U CN209148083 U CN 209148083U CN 201821924572 U CN201821924572 U CN 201821924572U CN 209148083 U CN209148083 U CN 209148083U
- Authority
- CN
- China
- Prior art keywords
- liquid
- magnetic
- pressure
- level switch
- feedback system
- 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
Abstract
The utility model discloses a kind of magnetic double level gauges with the reflexive feedback system of pressure, including liquidometer ontology, magnetic float, scale, cathode display, water inlet pipe, outlet pipe, upper liquid-level switch, lower liquid-level switch, blowdown flange and pressure sensor, the upper liquid-level switch and lower liquid-level switch are arranged on liquidometer ontology and are located at the top of water inlet pipe and the lower part of outlet pipe, the lower end of liquidometer ontology is arranged in the blowdown flange, and the pressure sensor is vertically provided at the middle position of blowdown flange lower end.By above-mentioned, the utility model uses pressure sensor, the variation of static pressure caused by variation using liquid level measures liquid level, substantially increases the precision of detection, reduces deviation, the switching signal exported using upper and lower liquid-level switch, the analog signal of combination pressure sensor generates association interlocking, accurate to export liquid level warning signal, false alarm is prevented, the service life and safety of product are improved.
Description
Technical field
The utility model relates to the fields of the instrument and meter of industrial automation, more particularly to one kind to have pressure self feed back system
The magnetic double level gauge of system directly applies to water process, chemical industry, ship, petroleum, bio-pharmaceuticals, environmental protection, municipal administration, food, beverage
The industries such as machinery.
Background technique
Currently, magnetic double level gauge has entered computer age, enters so-called Automated library system Process Control System
The epoch of (Computer Integrated Process System, CIPS).CIPS utilizes computer technology, to entire enterprise
The operation of industry carries out integrated management and control, including the marketing, Production Scheduling, raw material selection, product distribution,
The overall processes such as cost management and the control of technical process, optimization and management.Dcs, Advanced process control plan
Summary and network technology, database technology etc. will realize the important foundation of CIPS.It is contemplated that process control will be in China
Developed faster during socialist modernization drive.
Magnetic double level gauge used at present is designed based on buoyancy and magnetic force principle.Floating ball with magnet is (referred to as
Floating ball) position in measured medium influenced by buoyancy: the variation of liquid level leads to the variation of magnetic float position.In floating ball
Magnet and conduit in sensor (magnetic reed switch) effect, make the quantity connected in conduit into the element (fixed value resistance) of circuit
It changes, and then the electrical quantities (current value) of appliance circuit system is made to change.Namely make the change of magnetic float position
Change the variation for causing current value size, to export the also corresponding current signal of liquid level or switching signal.It is real according to customer demand
The long-range control or alarm of existing automatic equipment.
Conduit portion is immersed in detected solution, and the temperature in conduit changes with the variation of fluid temperature.It is fixed in conduit
It is worth resistance, resistance value can generate variation in temperature change, to influence to export electric current, make the output also corresponding current signal of liquid level
Or switching signal inaccuracy, corresponding level value error are too big.
In the case where temperature change is little, actual liquid level deviation is little.But actually use very big (such as liquid of the process temperature difference
Temperature degree variation repeatedly from 0 degree to 90), the signal value of output cannot accurately be matched with actual liquid level, influence the control of equipment
Precision processed.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of magnetic turning plate liquid level with the reflexive feedback system of pressure
Meter substitutes magnetic switch sensor using pressure sensor, the variation of static pressure caused by the variation using liquid level come
Liquid level is measured, is acquired as remote signal, the precision of detection is substantially increased, reduces deviation, is exported using upper and lower liquid-level switch
Switching signal, the analog signal of combination pressure sensor generates association interlocking, accurate to export liquid level warning signal, prevents
False alarm is more precisely stablized due to measuring, improves the service life and safety of product.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of with pressure
The magnetic double level gauge of reflexive feedback system, including liquidometer ontology, magnetic float, scale, cathode display, water inlet pipe, outlet pipe,
Upper liquid-level switch, lower liquid-level switch, blowdown flange and pressure sensor, the magnetic float are arranged in liquidometer ontology
The outer side edges of liquidometer ontology are arranged in portion, the scale, and the side of scale is arranged in the cathode display, described
Water inlet pipe and outlet pipe are horizontally installed on a side of liquidometer ontology respectively, and the upper liquid-level switch and lower liquid-level switch are set
The top of water inlet pipe and the lower part of outlet pipe are set on liquidometer ontology and are located at, the blowdown flange is arranged in liquid level
The lower end of ontology is counted, the pressure sensor is vertically provided at the middle position of blowdown flange lower end.
In one preferred embodiment of the utility model, the liquidometer ontology uses hollow structure, the liquid level
Liquid is placed in meter ontology.
In one preferred embodiment of the utility model, the magnetic float uses the column type floating ball with magnet.
It is opposite in the magnet driving cathode display in the magnetic float in one preferred embodiment of the utility model
The magnetic answered turns over pearl overturning 180 degree.
In one preferred embodiment of the utility model, connection method is respectively arranged on the water inlet pipe and outlet pipe
Blue and lower connecting flange.
In one preferred embodiment of the utility model, the magnetic double level gauge further includes terminal box, and described connects
Wire box is arranged on liquidometer ontology, and the terminal plate and upper liquid-level switch, lower liquid-level switch and pressure in the terminal box pass
Sensor is connected.
In one preferred embodiment of the utility model, the simulation letter of the terminal box output alarm signal and 4-20mA
Number.
The beneficial effects of the utility model are: a kind of magnetic turning plate liquid level with the reflexive feedback system of pressure of the utility model
Meter substitutes magnetic switch sensor using pressure sensor, the variation of static pressure caused by the variation using liquid level come
Liquid level is measured, is acquired as remote signal, the precision of detection is substantially increased, reduces deviation, is exported using upper and lower liquid-level switch
Switching signal, the analog signal of combination pressure sensor generates association interlocking, accurate to export liquid level warning signal, prevents
False alarm is more precisely stablized due to measuring, improves the service life and safety of product.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the structure of a preferred embodiment of the magnetic double level gauge that the utility model has the reflexive feedback system of pressure
Schematic diagram；
Fig. 2 is the circuit diagram of Fig. 1；
The label in accompanying drawing is: 1, liquidometer ontology, 2, magnetic float, 3, scale, 4, cathode display, 5, water inlet pipe, 6,
Outlet pipe, 7, upper liquid-level switch, 8, lower liquid-level switch, 9, blowdown flange, 10, pressure sensor, 11, terminal box, 12, upper connection
Flange, 13, lower connecting flange.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As shown in Figure 1, the utility model embodiment includes:
A kind of magnetic double level gauge with the reflexive feedback system of pressure, including liquidometer ontology 1, magnetic float 2, scale 3, yin
Pole display 4, water inlet pipe 5, outlet pipe 6, upper liquid-level switch 7, lower liquid-level switch 8, blowdown flange 9 and pressure sensor 10,
The inside of liquidometer ontology 1 is arranged in the magnetic float 2, and the outer side edges of liquidometer ontology 1, institute is arranged in the scale 3
The side of scale 3 is arranged in the cathode display 4 stated, and the water inlet pipe 5 and outlet pipe 6 are horizontally installed on liquidometer sheet respectively
A side of body 1, the upper liquid-level switch 7 and lower liquid-level switch 8 are arranged on liquidometer ontology 1 and are located at water inlet pipe
The lower end of liquidometer ontology 1, the pressure sensing is arranged in 5 top and the lower part of outlet pipe 6, the blowdown flange 9
Device 10 is vertically provided at the middle position of 9 lower end of blowdown flange.
Among the above, the liquidometer ontology 1 uses hollow structure, is placed with liquid in the liquidometer ontology 1.
In the present embodiment, connecting flange 12 and lower connecting flange are respectively arranged on the water inlet pipe 5 and outlet pipe 6
13。
Further, the magnetic double level gauge further includes terminal box 11, and the terminal box 11 is arranged in liquidometer
Terminal plate (figure does not regard) and upper liquid-level switch 7, lower liquid-level switch 8 and pressure sensor on ontology 1, in the terminal box 11
10 are connected.
Function declaration is carried out in conjunction with the circuit diagram of Fig. 2:
1. terminal box
Protect circuit board having built-in.By the electric signal of pressure sensor output, the switch of upper liquid-level switch and lower liquid-level switch
Signal connects on control circuit board, is converted by line signal, the analog signal of alarm signal and 4-20mA is exported, for outer
Taking alarm and display is used.
Liquid-level switch and lower liquid-level switch on 2.
By with self-retaining function tongue tube and converter form, when magnetic float is with the lifting of liquid level, due to magnetic coupling
Cooperation is used, and magnetic reed switch on-off is triggered, to export a switching signal to the wiring board in terminal box.
3. connecting flange
Lower flange is docked with lower flange on container on liquidometer, is constituted linker, is made in the liquid level and magnetic turning plate in container
Liquid level it is contour, isobaric.
4. pressure sensor
With the variation of liquid level, also equivalent changes the current value of pressure sensor output, in this way, each liquid level
There is a corresponding current value, acquires signal for control route.
5. magnetic float
Magnetic float uses the column type floating ball with magnet, is built in magnetic turning plate ontology, as the lifting of liquid level also rises
Drop, by magnetic coupling interaction, corresponding magnetic turns over pearl overturning 180 degree (by red change in the magnet driving cathode display in float
It is white or red by leucismus), and with red continuous instruction liquid level.When magnetic float position is in upper and lower liquid-level switch, magnetic is triggered
Spring switch on and off, so that it be made to export a switching signal.
6. scale
Indicate the height of liquid level, scale is usually white to turn over pearl boundary red.
7. cathode display
Cathode display turns over pearl by magnetism and forms, and when intrinsic floating ball rises or falls with liquid level, magnetic turns over pearl
Overturning, can show the height of liquid level.
A kind of magnetic double level gauge with the reflexive feedback system of pressure of the utility model has such as compared with prior art
Lower advantage:
(1) application range is expanded, under 40 °C to+125 °C liquid levels, can be used；
(2) it due to substituting magnetic float liquidlevel meter using pressure sensor, is acquired as remote signal, substantially increases detection
Precision (being reduced to ± 1mm from ± 5mm), reduce deviation (being reduced to 0.3% from 6%)；
(3) using the switching signal of upper and lower liquid-level switch output, the analog signal of combination pressure sensor generates association
Interlocking, it is accurate to export liquid level warning signal, prevent false alarm；
(4) more precisely stablize due to measuring, improve the service life and safety of product.
Due to resistance build-in attribute (temperature drift of resistance), magnetic switch sensor is substituted using pressure sensor, utilizes liquid
The variation of static pressure caused by the variation of position height measures liquid level；It is handled by ATMEGA8-AU processor analysis, output
Mutual corresponding current value is shown with cathode；Meanwhile the switching signal exported using upper liquid-level switch and lower liquid-level switch, in conjunction with
The analog signal of pressure sensor generates association interlocking, accurate to export liquid level warning signal, prevents false alarm.
In conclusion a kind of magnetic double level gauge with the reflexive feedback system of pressure of the utility model, is passed using pressure
Sensor substitutes magnetic switch sensor, and the variation of static pressure caused by the variation using liquid level measures liquid level, as
Remote signal acquisition, substantially increases the precision of detection, reduces deviation, the switching signal exported using upper and lower liquid-level switch, knot
The analog signal of combined pressure force snesor generates association interlocking, accurate to export liquid level warning signal, false alarm is prevented, due to surveying
Amount is more precisely stablized, and the service life and safety of product are improved.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (7)
1. a kind of magnetic double level gauge with the reflexive feedback system of pressure, which is characterized in that including liquidometer ontology, magnetic float,
Scale, cathode display, water inlet pipe, outlet pipe, upper liquid-level switch, lower liquid-level switch, blowdown flange and pressure sensor, institute
The inside of liquidometer ontology is arranged in the magnetic float stated, and the outer side edges of liquidometer ontology, the yin is arranged in the scale
The side of scale is arranged in pole display, and the water inlet pipe and outlet pipe are horizontally installed on the side of liquidometer ontology respectively
Side, the upper liquid-level switch and lower liquid-level switch are arranged on liquidometer ontology and are located at top and the water outlet of water inlet pipe
The lower end of liquidometer ontology is arranged in the lower part of pipe, the blowdown flange, and the pressure sensor is vertically provided at blowdown
The middle position of flange lower end.
2. the magnetic double level gauge according to claim 1 with the reflexive feedback system of pressure, which is characterized in that the liquid
Position meter ontology uses hollow structure, is placed with liquid in the liquidometer ontology.
3. the magnetic double level gauge according to claim 1 with the reflexive feedback system of pressure, which is characterized in that the magnetic
Float uses the column type floating ball with magnet.
4. the magnetic double level gauge according to claim 3 with the reflexive feedback system of pressure, which is characterized in that the magnetic
Corresponding magnetic turns over pearl overturning 180 degree in magnet driving cathode display in float.
5. the magnetic double level gauge according to claim 1 with the reflexive feedback system of pressure, which is characterized in that it is described into
Connecting flange and lower connecting flange are respectively arranged on water pipe and outlet pipe.
6. the magnetic double level gauge according to claim 1 with the reflexive feedback system of pressure, which is characterized in that the magnetic
Flap level gauge further includes terminal box, and the terminal plate on liquidometer ontology, in the terminal box is arranged in the terminal box
It is connected with upper liquid-level switch, lower liquid-level switch and pressure sensor.
7. the magnetic double level gauge according to claim 6 with the reflexive feedback system of pressure, which is characterized in that described connects
The analog signal of wire box output alarm signal and 4-20mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924572.9U CN209148083U (en) | 2018-11-22 | 2018-11-22 | Magnetic double level gauge with the reflexive feedback system of pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924572.9U CN209148083U (en) | 2018-11-22 | 2018-11-22 | Magnetic double level gauge with the reflexive feedback system of pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148083U true CN209148083U (en) | 2019-07-23 |
Family
ID=67286795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821924572.9U Expired - Fee Related CN209148083U (en) | 2018-11-22 | 2018-11-22 | Magnetic double level gauge with the reflexive feedback system of pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405925A (en) * | 2018-11-22 | 2019-03-01 | 苏州固宜电子科技有限公司 | Magnetic double level gauge with the reflexive feedback system of pressure |
| CN110440670A (en) * | 2019-08-15 | 2019-11-12 | 中海石油深海开发有限公司 | A kind of production tree raising automated watch-keeping facility |
-
2018
- 2018-11-22 CN CN201821924572.9U patent/CN209148083U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405925A (en) * | 2018-11-22 | 2019-03-01 | 苏州固宜电子科技有限公司 | Magnetic double level gauge with the reflexive feedback system of pressure |
| CN110440670A (en) * | 2019-08-15 | 2019-11-12 | 中海石油深海开发有限公司 | A kind of production tree raising automated watch-keeping facility |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209148083U (en) | Magnetic double level gauge with the reflexive feedback system of pressure | |
| CN109405930A (en) | Magnetic double level gauge with temperature self adjusting system | |
| CN209148099U (en) | Magnetic double level gauge with temperature self adjusting system | |
| CN204255786U (en) | Crude oil water content measurement mechanism | |
| CN101393019B (en) | Non-contact oil layer thickness detecting method | |
| CN109405925A (en) | Magnetic double level gauge with the reflexive feedback system of pressure | |
| CN207516837U (en) | A kind of level monitoring control device | |
| CN2622681Y (en) | Self-calibration and capacitor type level gage | |
| CN208458836U (en) | A kind of liquid level detection system and liquid supply or recovery system | |
| Goundar et al. | Mechatronic design solution for fuel level monitoring using pressure sensor | |
| CN108680235A (en) | A kind of fluid level transmitter | |
| CN107796481A (en) | A kind of magnetic level transmitter | |
| CN205580564U (en) | Magnetic force level detection device | |
| CN210802604U (en) | Static capacitance liquid level meter with humidity self-adaption function | |
| CN210570917U (en) | Strong magnetic semi-arc floating ball for liquid level and interface measurement | |
| CN208950573U (en) | A kind of oil well continuous metering device and well recovery metering system | |
| CN217765143U (en) | Power station water leads oil groove and goes up oil level measuring device | |
| KR20010091727A (en) | Method and related device for perception of water level using float with magnet | |
| CN202092731U (en) | Novel liquid level sensor | |
| CN201964935U (en) | Continuous liquid level measuring sensor with warning device | |
| CN207795217U (en) | Oil and gas separating system | |
| RU102994U1 (en) | DEVICE FOR MEASURING THE LEVEL OR DENSITY OF A LIQUID | |
| CN210802605U (en) | Static capacitance liquid level meter with self-locking function | |
| CN204007799U (en) | A kind of liquid level emasuring device | |
| RU203670U1 (en) | Liquid level indicator combined with a radar level gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20191122 |