CN105486382A - Magnetostrictive liquid level measuring device with liquid level hard warning and detecting functions - Google Patents
Magnetostrictive liquid level measuring device with liquid level hard warning and detecting functions Download PDFInfo
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- CN105486382A CN105486382A CN201511027434.1A CN201511027434A CN105486382A CN 105486382 A CN105486382 A CN 105486382A CN 201511027434 A CN201511027434 A CN 201511027434A CN 105486382 A CN105486382 A CN 105486382A
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- Prior art keywords
- liquid level
- warning
- magnetostrictive
- sensor
- processing unit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
Abstract
The invention provides a magnetostrictive liquid level measuring device with the liquid level hard warning and detecting functions. The magnetostrictive liquid level measuring device comprises a shell. A sensor protecting tube is connected to the inner wall of the lower end of the shell in a sleeved mode, the outer wall of the sensor protecting tube is sleeved with a magnetic floater, liquid level warning sensors are installed in the sensor protecting tube, a warning outputting unit and a liquid level warning processing unit are installed in the shell, and the warning outputting unit, the liquid level warning processing unit and the liquid level warning sensors are electrically connected in sequence for processing liquid level warning signals; a magnetostrictive sensor processing unit and magnetostrictive sensors are electrically connected for processing continuous liquid level measurement. The magnetostrictive liquid level measuring device solves the problem that a magnetostrictive liquid level instrument only can achieve liquid level soft warning but does not have the independent liquid level warning and detecting functions. The independence of liquid level warning is high, liquid level warning is not influenced by liquid level detecting units, and liquid level warning and continuous liquid level dual detecting can be achieved on the single device; the magnetostrictive liquid level measuring device is easy to operate, low in cost and high in reliability.
Description
Technical field
The present invention relates to Level measurement and warning device field, relate to a kind of magnetostrictive liquid level measurement mechanism with the hard alarm detection function of liquid level specifically.
Background technology
In the continuous liquid level measuring of current liquid storage tank, magnetostrictive liquid level apparatus is progressively widely used with advantages such as its measuring accuracy are high, easy to install.In the dangerous industry storage tank accumulatings such as petrochemical complex, to storage tank except to except continuous liquid level measuring, also need to arrange high-low-position liquid level alarm device.In petrochemical industry standard " SHT3007-2007 Oil Storage and Transport System of Petrochemistry tank field design specifications ", " normal pressure and low pressure storage tank should arrange high level alarm to regulation, the storage tank of >=10000 cubes should establish high high level alarm and chain with feed pipe operation valve ", " pressure vessel should arrange liquid level gauge, thermometer, tensimeter, low liquid level alarm, high level alarm and Gao Gao liquid level automatic linkage cut off feed arrangement ", in GB/T50074 " Code for design of petroleum depots ", regulation is " high for tank tank height, the level gauging instrument of low liquid level warning signal should adopt independent continuous liquid level measuring instrument or level switch, and warning and interlocking should be set in automatic control system."; seldom integrated independently level sensing and alarm unit in liquid level gauge at present; need to install a set of or a few cover such as floating-ball level switch, Tuning Fork Switch etc. liquid level warning equipment while installation liquid level gauge, equipment cost must be increased, strengthen the potential safety hazard increased owing to installing leak point.
Summary of the invention
The object of the invention is to solve the existing liquid level emasuring device for liquid storage tank cannot complete level sensing and warning function simultaneously, need, while installation liquid level gauge, other equipment is installed, cause testing process complicated, add the problem of equipment cost.
For this reason; the invention provides a kind of magnetostrictive liquid level measurement mechanism with the hard alarm detection function of liquid level; comprise housing; the lower end inner wall of housing is socketed with sensor protection pipe; the outer wall cover of sensor protection pipe is magnetic float; be provided with liquid level warning sensor in described sensor protection pipe, be provided with alarm output unit, liquid level warning processing unit in housing, described alarm output unit, liquid level warning processing unit, liquid level warning sensor are electrically connected successively.
Also comprise the magnetostrictive liquid level sensor be arranged in sensor protection pipe, and be arranged on the magnetostrictive liquid level sensor processing unit in housing, magnetostrictive liquid level sensor is electrically connected with magnetostrictive liquid level sensor processing unit.
Described liquid level warning sensor is made up of hall device A and hall device B, and hall device A and hall device B is electrically connected with liquid level warning processing unit respectively.
Described liquid level warning sensor is one or more.
Described liquid level warning processing unit is CPU, and alarm output unit is the one in relay, audible-visual annunciator.
Beneficial effect of the present invention: the magnetostrictive liquid level measurement mechanism of the hard alarm detection function of this band liquid level provided by the invention, solves magnetostrictive liquid level apparatus and can only arrange the soft warning function of liquid level, does not have the problem of the detection of independent liquid level warning and warning function.It is strong that liquid level warning unit has independence, not by level sensing cell influence, can set up standby on realize liquid level warning and continuous liquid level is two detects, simple to operate, cost is low, reliability high.
Below with reference to accompanying drawing, the present invention is described in further details.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the measurement mechanism with warning and measuring ability.
Fig. 2 is the schematic diagram of the measurement mechanism with warning function.
Fig. 3 is the enlarged drawing of liquid level warning sensor.
Fig. 4 is the electrical connection figure mono-of the magnetostrictive liquid level measurement mechanism of the hard alarm detection function of band liquid level.
Fig. 5 is the electrical connection figure bis-of the magnetostrictive liquid level measurement mechanism of the hard alarm detection function of band liquid level.
Description of reference numerals: 1, magnetic float; 2, magnetostrictive liquid level sensor; 3, liquid level warning sensor; 4, sensor protection pipe; 5, magnetostrictive liquid level sensor processing unit; 6, liquid level warning processing unit; 7, alarm output unit; 8, housing; 9, hall device A; 10, hall device B.
Embodiment
Embodiment 1:
As shown in Figure 2, Figure 4 shows; present embodiments provide a kind of magnetostrictive liquid level measurement mechanism with the hard alarm detection function of liquid level; comprise housing 8; the lower end inner wall of housing 8 is socketed with sensor protection pipe 4; the outer wall cover of sensor protection pipe 4 is magnetic float 1; in described sensor protection pipe 4, liquid level warning sensor 3 is installed; be provided with alarm output unit 7, liquid level warning processing unit 6 in housing 8, described alarm output unit 7, liquid level warning processing unit 6, liquid level warning sensor 3 are electrically connected successively.
During use, the magnetostrictive liquid level measurement mechanism of the hard alarm detection function of the band liquid level provided by the present embodiment is transferred in wet tank, the detection of liquid level is that the magnetic coupling between magnetic float 1 by following the tracks of liquid level change and liquid level warning sensor 3 realizes, magnetic float 1 can move along the outer wall of sensor protection pipe 4, liquid level warning sensor 3 is mounted in sensor protection pipe 4 position needing to report to the police, high report or low report or other alarm forms can be set to as required, when liquid level warning sensor 3 detects the liquid level of liquid in wet tank, liquid level data is transferred to liquid level warning processing unit 6, after liquid level warning processing unit 6 analyzing and processing, be transferred to alarm output unit 7, if liquid level exceeds the numerical value of setting, then reported to the police by alarm output unit 7.
Embodiment 2:
On the basis of embodiment 1; as shown in Figure 1, shown in Figure 5; magnetostrictive liquid level measurement mechanism with the hard alarm detection function of liquid level also comprises the magnetostrictive liquid level sensor 2 be arranged in sensor protection pipe 4; with the magnetostrictive liquid level sensor processing unit 5 be arranged in housing 8, magnetostrictive liquid level sensor 2 is electrically connected with magnetostrictive liquid level sensor processing unit 5.
Magnetostrictive liquid level sensor 2 is connected with magnetostrictive liquid level sensor processing unit 5, magnetostrictive liquid level sensor 2 is in sensor protection pipe 4, during liquid level change, magnetic float 1 position changes thereupon, thus by the magnetostrictive liquid level sensor 2 of magnetic coupling interaction in sensor protection pipe 4, to realize the detection and treatment of liquid level, concrete, it should be noted that, magnetostrictive liquid level sensor processing unit 5 is for the continuous detecting of liquid level, the Cleaning Principle of magnetostrictive liquid level sensor processing unit 5 is identical with existing detection method with disposal route, it is ripe prior art, its concrete structure is not as protection point of the present invention, be not described in detail at this.It should be noted that, liquid level warning sensor 3, liquid level warning processing unit 6, magnetostrictive liquid level sensor 2, magnetostrictive liquid level sensor processing unit 5 work alone, be independent of each other, liquid level warning detects and the continuous level sensing of magnetostriction is all adopt magnetic coupling interaction mode to realize by magnetic float 1.
Embodiment 3:
On the basis of embodiment 2, as shown in Figure 3, described liquid level warning sensor 3 is made up of hall device A9 and hall device B10, and hall device A9 and hall device B10 is electrically connected with liquid level warning processing unit 6 respectively.
Hall device A9 in liquid level warning sensor 3 and hall device B10 is up or to be responded to successively and action by the magnet steel in magnetic float 1 when declining in liquid level, to judge that liquid level is trigger alarm or removes warning, this warning message can carry out the chain control of process valve with robot control system(RCS), concrete, when liquid level is from when rising lower than liquid level warning sensor 3, respond to hall device A9 and hall device B10 successively and make its action to trigger liquid level warning; When position higher than liquid level warning sensor 3, keep alarm condition; When liquid level declines from the position higher than liquid level warning sensor 3, respond to hall device B10 and hall device A9 successively and make its action to eliminate liquid level warning; During lower than liquid level warning sensor 3 position, keep disappearing report state.Detailed process state sees the following form one, in table one cross program number be report to the police and the report process that disappears in may occur but not necessarily, depend on the distance of two hall device A9 and hall device B10.These process process are carried out analyzing and processing by liquid level warning processing unit 6 and are completed, and the alarming result of process is transferred to alarm output unit 7 and exports, for this warning message of other equipment use as corresponding process concatenation control etc.In actual applications, can arrange high liquid level warning, low liquid level warning by diverse location in sensor protection pipe 4, even high high liquid level warning, low liquid level warning lamp Multi-stage alarming, its detection method principle is identical.
Table one
Liquid level warning processing unit 6 exports to alarm output unit 7 for this warning message of other equipment use as corresponding process concatenation control etc. after detecting that hall device A9 and hall device B10 action also perform corresponding process.In actual applications, can arrange high liquid level warning, low liquid level warning by diverse location in sensor protection pipe 4, even high high liquid level warning, low liquid level warning lamp Multi-stage alarming, its detection method principle is identical.
Embodiment 4:
Described liquid level warning sensor 3 is one or more; liquid level warning sensor 3 is arranged in sensor protection pipe 4 position needing to report to the police; alert locations can be one also can be multiple; consistent with the quantity of liquid level warning sensor 3, to be set to high report or low report or other alarm forms.Described liquid level warning processing unit 6 is CPU, concrete, liquid level warning processing unit 6 can be the CPU that band detects liquid level warning sensor signal function, also can be the testing circuit of CPU and peripheral circuit composition thereof, alarm output unit 7 is the one in relay, audible-visual annunciator, also can be that other have the controlled device of switching value characteristic.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (5)
1. the magnetostrictive liquid level measurement mechanism with the hard alarm detection function of liquid level, comprise housing (8), the lower end inner wall of housing (8) is socketed with sensor protection pipe (4), the outer wall cover of sensor protection pipe (4) is magnetic float (1), it is characterized in that: in described sensor protection pipe (4), liquid level warning sensor (3) is installed, alarm output unit (7) is installed in housing (8), liquid level warning processing unit (6), described alarm output unit (7), liquid level warning processing unit (6), liquid level warning sensor (3) is electrically connected successively.
2. a kind of magnetostrictive liquid level measurement mechanism with the hard alarm detection function of liquid level as claimed in claim 1; it is characterized in that: also comprise the magnetostrictive liquid level sensor (2) be arranged in sensor protection pipe (4); with the magnetostrictive liquid level sensor processing unit (5) be arranged in housing (8), magnetostrictive liquid level sensor (2) is electrically connected with magnetostrictive liquid level sensor processing unit (5).
3. a kind of magnetostrictive liquid level measurement mechanism with the hard alarm detection function of liquid level as claimed in claim 2, it is characterized in that: described liquid level warning sensor (3) is made up of hall device A (9) and hall device B (10), hall device A (9) and hall device B (10) is electrically connected with liquid level warning processing unit (6) respectively.
4. a kind of magnetostrictive liquid level measurement mechanism with the hard alarm detection function of liquid level as claimed in claim 1, is characterized in that: described liquid level warning sensor (3) is one or more.
5. a kind of magnetostrictive liquid level measurement mechanism with the hard alarm detection function of liquid level as claimed in claim 11, it is characterized in that: described liquid level warning processing unit (6) is CPU, alarm output unit (7) is the one in relay, audible-visual annunciator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511027434.1A CN105486382A (en) | 2015-12-31 | 2015-12-31 | Magnetostrictive liquid level measuring device with liquid level hard warning and detecting functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511027434.1A CN105486382A (en) | 2015-12-31 | 2015-12-31 | Magnetostrictive liquid level measuring device with liquid level hard warning and detecting functions |
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| CN105486382A true CN105486382A (en) | 2016-04-13 |
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| CN201511027434.1A Pending CN105486382A (en) | 2015-12-31 | 2015-12-31 | Magnetostrictive liquid level measuring device with liquid level hard warning and detecting functions |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504442A (en) * | 2020-04-27 | 2020-08-07 | 天津恒立远大仪表股份有限公司 | Tuning fork switch probe structure |
| CN114061696A (en) * | 2021-11-25 | 2022-02-18 | 北京斯克维思仪表有限公司 | Large-capacity magnetostrictive liquid level meter and detection system |
| CN114360226A (en) * | 2022-01-13 | 2022-04-15 | 湖北思源水务工程技术有限公司 | Automatic sound and light alarm device for remote monitoring of equipment failure |
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| CN201773329U (en) * | 2010-08-25 | 2011-03-23 | 丹东通博电器(集团)有限公司 | Ball float level controller |
| CN104515462A (en) * | 2014-12-23 | 2015-04-15 | 柳州柳工叉车有限公司 | Displacement detection device and method |
| CN205280185U (en) * | 2015-12-31 | 2016-06-01 | 河北珠峰仪器仪表设备有限公司 | Take magnetic induced shrinkage or elongation liquid level measurement device of hard alarm detecting function of liquid level |
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2015
- 2015-12-31 CN CN201511027434.1A patent/CN105486382A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2087332U (en) * | 1991-02-09 | 1991-10-23 | 李涛 | Automatic liquid-level warner |
| US5864059A (en) * | 1997-06-09 | 1999-01-26 | The Army Corps Of Engineers As Represented By The Secretary Of The Army | Self-recording snow depth probe |
| CN2669185Y (en) * | 2004-01-02 | 2005-01-05 | 寿焕根 | Intelligent liquid-level interface automatic measuring instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111504442A (en) * | 2020-04-27 | 2020-08-07 | 天津恒立远大仪表股份有限公司 | Tuning fork switch probe structure |
| CN114061696A (en) * | 2021-11-25 | 2022-02-18 | 北京斯克维思仪表有限公司 | Large-capacity magnetostrictive liquid level meter and detection system |
| CN114061696B (en) * | 2021-11-25 | 2022-12-02 | 北京斯克维思仪表有限公司 | Large-capacity magnetostrictive liquid level meter and detection system |
| CN114360226A (en) * | 2022-01-13 | 2022-04-15 | 湖北思源水务工程技术有限公司 | Automatic sound and light alarm device for remote monitoring of equipment failure |
| CN114360226B (en) * | 2022-01-13 | 2024-04-02 | 湖北思源水务工程技术有限公司 | Automatic audible and visual alarm device for remote monitoring of equipment faults |
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Application publication date: 20160413 |