CN209148099U - Magnetic double level gauge with temperature self adjusting system - Google Patents
Magnetic double level gauge with temperature self adjusting system Download PDFInfo
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- CN209148099U CN209148099U CN201821924569.7U CN201821924569U CN209148099U CN 209148099 U CN209148099 U CN 209148099U CN 201821924569 U CN201821924569 U CN 201821924569U CN 209148099 U CN209148099 U CN 209148099U
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Abstract
The utility model discloses a kind of magnetic double level gauges with temperature self adjusting system, including liquidometer ontology, magnetic float, float level meter, scale, cathode display, water inlet pipe, outlet pipe, upper liquid-level switch, lower liquid-level switch and temperature sensor, the float level meter and scale is separately positioned on the outer side edges of liquidometer ontology, the side of scale is arranged in the cathode display, another side of liquidometer ontology and corresponding with the position of water inlet pipe and outlet pipe is arranged in the upper liquid-level switch and lower liquid-level switch, the temperature sensor is arranged on outlet pipe.By above-mentioned, the utility model has made the temperature-compensating of resistance, substantially increases the precision of detection, reduces deviation；Accurate output liquid level warning signal, prevents false alarm；Temperature alarm system is increased, damage of the high temperature to equipment is effectively prevented；More precisely stablize due to measuring, improves the service life and safety of product.
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 temperature self adjusting 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 float liquidlevel meter 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 temperature self adjusting system
Meter, has made the temperature-compensating of resistance, substantially increases the precision of detection, reduces deviation；Accurate output liquid level warning signal, prevents
Only false alarm；Temperature alarm system is increased, damage of the high temperature to equipment is effectively prevented；More precisely stablize due to measuring, mentions
The service life and safety of high product.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of with temperature
The magnetic double level gauge of self-adjusting system, including liquidometer ontology, magnetic float, float level meter, scale, cathode display, into
Water pipe, outlet pipe, upper liquid-level switch, lower liquid-level switch and temperature sensor, the magnetic float are arranged in liquidometer ontology
Inside, the float level meter and scale be separately positioned on the outer side edges of liquidometer ontology, and the cathode display is set
It sets in the side of scale, the water inlet pipe and outlet pipe are horizontally installed on a side of liquidometer ontology respectively, and described is upper
Another side of liquidometer ontology and corresponding with the position of water inlet pipe and outlet pipe is arranged in liquid-level switch and lower liquid-level switch,
The temperature sensor is arranged on outlet pipe.
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, the lower end of the liquidometer ontology is provided with blowdown valve.
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 in the terminal box is opened with float level meter, upper liquid-level switch, lower liquid level
Pass is connected with temperature sensor.
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 temperature self adjusting system of the utility model
Meter, has made the temperature-compensating of resistance, substantially increases the precision of detection, reduces deviation；Accurate output liquid level warning signal, prevents
Only false alarm；Temperature alarm system is increased, damage of the high temperature to equipment is effectively prevented；More precisely stablize due to measuring, mentions
The service life and safety of high 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 temperature self adjusting system
Schematic diagram；
Fig. 2 is the circuit diagram of Fig. 1；
The label in accompanying drawing is: 1, liquidometer ontology, 2, magnetic float, 3, float level meter, 4, scale, 5, cathode shows
Device, 6, water inlet pipe, 7, outlet pipe, 8, upper liquid-level switch, 9, lower liquid-level switch, 10, temperature sensor, 11, blowdown valve, 12, on
Connecting flange, 13, lower connecting flange, 14, terminal box.
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 temperature self adjusting system, including liquidometer ontology 1, magnetic float 2, float liquid level
Meter 3, scale 4, cathode display 5, water inlet pipe 6, outlet pipe 7, upper liquid-level switch 8, lower liquid-level switch 9 and temperature sensor
10, the inside of liquidometer ontology 1 is arranged in the magnetic float 2, and the float level meter 3 and scale 4 are separately positioned on liquid
The side of scale 4 is arranged in the outer side edges of position meter ontology 1, the cathode display 5, and the water inlet pipe 7 and outlet pipe 8 divide
It is not horizontally installed on a side of liquidometer ontology 1, the upper liquid-level switch 8 and lower liquid-level switch 9 are arranged in liquidometer sheet
Another side of body 1 is simultaneously corresponding with the position of water inlet pipe 6 and outlet pipe 7, and the temperature sensor 10 is arranged in outlet pipe 7
On.
Among the above, the liquidometer ontology 1 uses hollow structure, is placed with liquid in the liquidometer ontology 1.
In the present embodiment, the lower end of the liquidometer ontology 1 is provided with blowdown valve 11, the water inlet pipe 6 and water outlet
Connecting flange 12 and lower connecting flange 13 are respectively arranged on pipe 7.
Further, the magnetic double level gauge further includes terminal box 14, and the terminal box 14 is arranged in liquidometer
Terminal plate (figure does not regard) and float level meter 3, upper liquid-level switch 8, lower liquid-level switch 9 on ontology 1, in the terminal box 14
It is connected with temperature sensor 10.
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 switch of the electric signal of float level meter output and upper liquid-level switch, lower liquid-level switch
Signal connects on wiring board, is converted by line signal, the analog signal of alarm signal and 4-20mA is exported, for being informed of a case outside
Alert and display is used.The signal that temperature sensor is inputted is converted into control signal, is external on temperature alarm system.
2. float level meter
Acted on using the sensor (magnetic reed switch) in conduit and the magnet magnetic couplings in float, make to connect in conduit into
The quantity of the element (fixed value resistance) of circuit changes, and then changes the electrical quantities (current value) of appliance circuit system
Become, so that output current value corresponding with liquid level, is supplied to control circuit board.
Connecting flange and lower connecting flange on 3.
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. temperature 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.
Liquid-level switch and lower liquid-level switch on 8.
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 control circuit board.
A kind of magnetic double level gauge with temperature self adjusting system of the utility model has such as compared with prior art
Lower advantage:
(1) application range is expanded, under 40 DEG C to+125 DEG C liquid levels, can be used；
(2) due to having made the temperature-compensating of resistance, the precision of detection is substantially increased, reduces deviation and (is reduced to from 3%
0.2%)；
(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) temperature alarm system is increased, damage of the high temperature to equipment is effectively prevented；
(5) more precisely stablize due to measuring, improve the service life and safety of product.
Due to resistance build-in attribute (temperature drift of resistance), sampling resistor resistance value in temperature change can generate variation, utilize
Temperature sensor detection sampling fluid to be measured ambient temperature, is handled by ATMEGA8-AU processor analysis, gives figure-shift device
Instruction is issued, rectification building-out is done to output electric current or signal, is not changed with the change of temperature to reach output valve, is improved real
The measurement accuracy of border liquid level.By upper and lower liquid-level switch, Liquid level interlocking alarm system is increased；Meanwhile it is high in order to prevent
Damage of the temperature to magnetic double level gauge, external temperature alarm system.
In conclusion a kind of magnetic double level gauge with temperature self adjusting system of the utility model, has made resistance
Temperature-compensating substantially increases the precision of detection, reduces deviation；Accurate output liquid level warning signal, prevents false alarm；Increase
Temperature alarm system, effectively prevents damage of the high temperature to equipment；More precisely stablize due to measuring, that improves product uses the longevity
Life and safety.
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 (8)
1. a kind of magnetic double level gauge with temperature self adjusting system, which is characterized in that including liquidometer ontology, magnetic float,
Float level meter, scale, cathode display, water inlet pipe, outlet pipe, upper liquid-level switch, lower liquid-level switch and temperature sensor,
The inside of liquidometer ontology is arranged in the magnetic float, and the float level meter and scale are separately positioned on liquidometer ontology
Outer side edges, the side of scale is arranged in the cathode display, and the water inlet pipe and outlet pipe are horizontally installed on respectively
A side of liquidometer ontology, the upper liquid-level switch and lower liquid-level switch be arranged in another side of liquidometer ontology and with
The position of water inlet pipe and outlet pipe is corresponding, and the temperature sensor is arranged on outlet pipe.
2. the magnetic double level gauge according to claim 1 with temperature self adjusting system, 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 temperature self adjusting system, 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 temperature self adjusting system, 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 temperature self adjusting system, which is characterized in that the liquid
The lower end of position meter ontology is provided with blowdown valve.
6. the magnetic double level gauge according to claim 1 with temperature self adjusting system, which is characterized in that it is described into
Connecting flange and lower connecting flange are respectively arranged on water pipe and outlet pipe.
7. the magnetic double level gauge according to claim 1 with temperature self adjusting system, 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 float level meter, upper liquid-level switch, lower liquid-level switch and temperature sensor.
8. the magnetic double level gauge according to claim 7 with temperature self adjusting system, 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 |
|---|---|---|---|
| CN201821924569.7U CN209148099U (en) | 2018-11-22 | 2018-11-22 | Magnetic double level gauge with temperature self adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924569.7U CN209148099U (en) | 2018-11-22 | 2018-11-22 | Magnetic double level gauge with temperature self adjusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148099U true CN209148099U (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821924569.7U Expired - Fee Related CN209148099U (en) | 2018-11-22 | 2018-11-22 | Magnetic double level gauge with temperature self adjusting system |
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| Country | Link |
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| CN (1) | CN209148099U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405930A (en) * | 2018-11-22 | 2019-03-01 | 苏州固宜电子科技有限公司 | Magnetic double level gauge with temperature self adjusting system |
| 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 |
| CN116793459A (en) * | 2023-07-03 | 2023-09-22 | 北京斯克维思仪表有限公司 | Intelligent low-temperature liquid level detection system |
-
2018
- 2018-11-22 CN CN201821924569.7U patent/CN209148099U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405930A (en) * | 2018-11-22 | 2019-03-01 | 苏州固宜电子科技有限公司 | Magnetic double level gauge with temperature self adjusting system |
| 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 |
| CN116793459A (en) * | 2023-07-03 | 2023-09-22 | 北京斯克维思仪表有限公司 | Intelligent low-temperature liquid level detection system |
| CN116793459B (en) * | 2023-07-03 | 2024-08-27 | 北京斯克维思仪表有限公司 | Intelligent low-temperature liquid level detection system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20191122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |