CN102012250A - Split assembly and disassembly method and device for magnetic float liquid level sensor - Google Patents
Split assembly and disassembly method and device for magnetic float liquid level sensor Download PDFInfo
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- CN102012250A CN102012250A CN2009100733355A CN200910073335A CN102012250A CN 102012250 A CN102012250 A CN 102012250A CN 2009100733355 A CN2009100733355 A CN 2009100733355A CN 200910073335 A CN200910073335 A CN 200910073335A CN 102012250 A CN102012250 A CN 102012250A
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Abstract
The invention relates to split assembly and disassembly method and device for a magnetic float liquid level sensor, which can realize the detection and maintenance for the sensor, without clearing a tank or discharging pressure of the tank. The invention has the technical scheme that the magnetic suspension liquid level sensor comprises a measuring bar, a magnetic float, and a magnetic potential detection mechanism, wherein the magnetic potential detection mechanism is provided with a magnetic sensitive part and a signal transmitter. When in installation, the device is characterized in that a hollow bin port of the measuring bar is arranged outside a tank body, which enables the pressure in a hollow bin in the measuring bar to be isolated from the pressure in the tank body, and the hollow bin can be communicated with atmosphere, and the magnetic sensitive part is fixedly arranged in the hollow bin of the measuring bar via the hollow bin port; when in maintenance or detection, the magnetic sensitive part of the magnetic potential detection mechanism can be drawn out of the hollow bin of the measuring bar, enabling the mechanism to be separated from the tank..
Description
Technical field
The present invention relates to a kind of magnetic float liquid level sensor split type dress, tear method and device open.
Background technology
In the prior art, the magnetic float liquid level sensor detects mechanism's (magnetic float position detects mechanism) by measuring staff, magnetic float and magnetic potential and forms; Magnetic potential detects mechanism mainly to be made up of magnetosensitive sense parts and signal transmitting device, and the two has integrated structural form, and the structural form to be linked in sequence is also arranged.In the magnetic float liquid level sensor, measuring staff is isometrical and the non-magnetic rustproof steel pole of hollow or an isometrical hollow stem made from other nonmagnetic substance, smooth bar outer wall is the slide rail that the magnetic float moves along its axis, the space that hollow forms in the bar claims hole capital after selling all securities in the measuring staff, for settling magnetosensitive sense parts set; Permanent magnet is fixed on and is collectively referred to as the magnetic float in the float, and move along the measuring staff axis with float in the magnetic field that forms around the magnet; In this storehouse, and to be the magnetic field position signal that detects the magnetic float position signal detect signal transmitting device output in the mechanism through magnetic potential to magnetosensitive sense parts in the magnetic float liquid level sensor via measuring staff hollow Hatch Opening fixation.When surveying liquid level or interface location, sensor is installed on the container, measuring staff is inserting perpendicular to the mode of liquid level in the liquid in the container, and the magnetic float moves up and down along measuring staff along with liquid level or interface change, and magnetic potential detects mechanism, and can to detect magnetic float position immediately be liquid level or interface location.
At present, such sensor is widely used in the liquid level in non-pressure vessel and the pressure vessel or the detection of liquid surface.In the use, main and the majority of the fault of this class sensor is the fault that magnetic potential detects mechanism, but sensor any fault occurs or it is examined and determine, all must its integral body be pulled down from installing on the container, like this, not only increase the workload of sensor overall pulling down and integral reset process, also increased the break period that liquid level or interface are detected; If what sensor adopted is to be inverted mounting means, must before its overall pulling down, make clear jar of this jar; If the mounting points of sensor is a pressure vessel, then must before its overall pulling down, make this jar pressure release, and clear jar or pressure release tend to bring many adverse effects to ordinary production and scientific research order.
Summary of the invention
Goal of the invention of the present invention be to provide a kind of magnetic float liquid level sensor split type dress, tear method and device open, do not need the jar pressure release of its mounting points, clear jar or stoppage in transit, promptly under the condition of not disturbing the normal operation of this jar, realize maintenance or calibrating this sensor.
The present invention is based on same inventive concept, have two independent technique schemes:
1, a kind of split type dress of magnetic float liquid level sensor, tear method open, the magnetic float liquid level sensor has measuring staff, magnetic float, magnetic potential and detects mechanism, magnetic potential detects mechanism and has magnetosensitive sense parts and signal transmitting device, it is characterized in that: during installation, measuring staff hollow Hatch Opening is arranged at outside the tank body, make pressure and tank body internal pressure in the hole capital after selling all securities in the measuring staff isolated, and can communicate with atmosphere in the middle hole capital after selling all securities, magnetosensitive sense parts via hollow Hatch Opening fixation in this storehouse of measuring staff; Safeguard or during calibrating that jar does not need pressure release, clear jar and stops transport, just can from measuring staff, extract the magnetosensitive sense parts that magnetic potential detects mechanism in the hole capital after selling all securities out, make this mechanism from jar.
The magnetic float sensor can just be put or be inverted and be installed on the tank body.
The upper end of magnetosensitive sense parts is connected to positioning cap, by the connecing or take off of positioning cap and measuring staff hollow Hatch Opening, make magnetosensitive sense parts fixation in measuring staff in the hole capital after selling all securities or with its disengaging.
Measuring staff hollow Hatch Opening end is connected with flange, makes between this flange and the tank flange to be connected again, and makes the sealing of two junctions.
2, a kind ofly realize the split type dress of aforementioned magnetic float liquid level sensor, tear the device of method open, comprise that measuring staff, magnetic float, magnetic potential detect mechanism, magnetic potential detects mechanism and has magnetosensitive sense parts and signal transmitting device, the magnetic float is contained in the outside of measuring staff, it is characterized in that: the Hatch Opening end joint flange of measuring staff, be connected between aforementioned flange and the tank flange, and make the sealing of two junctions; The upper end of magnetosensitive sense parts is connected to positioning cap, by positioning cap with magnetosensitive sense parts fixation in measuring staff in the hole capital after selling all securities.
The beneficial effect that the present invention has:
The present invention is installed in measuring staff hollow Hatch Opening outside the tank body, makes in the measuring staff hole capital after selling all securities internal pressure and tank body internal pressure isolated, but the magnetosensitive sense parts fixation that magnetic potential detects mechanism is in measuring staff in the hole capital after selling all securities.When sensor maintenance or calibrating, the magnetosensitive sense parts that only need magnetic potential to be detected mechanism are extracted out in the hole capital after selling all securities from measuring staff, outside jar, this magnetic potential is detected mechanism and examine and determine and safeguard, can reset after qualified, install or mounting points is that pressure vessel also needn't make its clear jar or pressure release even be inverted.If in the calibrating and the process of maintenance sensor, need to keep the continuity of Level Detection, can detect mechanism with the magnetic potential of the same specification of another assay approval and replace the magnetic potential that is installed on the jar fast and detect mechanism.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 detects the structural representation of mechanism for magnetic potential of the present invention;
Fig. 3 is to be inverted the synoptic diagram that is installed on the jar for magnetic float liquid level sensor of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, sensor comprises measuring staff 2, magnetic float 1, magnetosensitive sense parts 3, and magnetic float 1 is contained in the outside of measuring staff 2, and this is a prior art.Be connected between the measuring staff hollow Hatch Opening end joint flange 4, flange 4 and tank flange, and make the sealing of two junctions.The upper end of magnetosensitive sense parts is connected to positioning cap 5, by positioning cap 5 with magnetosensitive sense parts 3 fixations in measuring staff in the hole capital after selling all securities.
During installation, elder generation is connected the hollow Hatch Opening end of measuring staff 2 and makes the junction sealing with flange 4, again magnetic float 1 is inserted in the measuring staff outer wall, and it can only be slided along measuring staff; Then, flange 4 be connected with flange on the tank body 6 and make the junction sealing, like this, in tank pressure and the measuring staff pressure of hole capital after selling all securities just isolated and this storehouse in the space can communicate with atmosphere; At last magnetic potential is detected magnetosensitive sense parts 3 in the mechanism and insert in the measuring staffs in the hole capital after selling all securities,, make magnetosensitive sense parts 3 fixations in this storehouse by being connected of positioning cap 5 and measuring staff hollow Hatch Opening end.With the signal transmitting device 7 in addition that magnetosensitive sense parts 3 are connected as a single entity, be liquid level signal from the exportable magnetic float position signal of this signal transmitting device transmission interface.
Split type every press safeguarding or the process of calibrating is: as not need clearly jar and the tank pressure and keep the normal operation of this jar of releasing, only need take being connected between positioning cap 5 and the measuring staff 2 apart, magnetic potential detects mechanism and can separate under the state of isolation tank pressure with the sensor other parts on being installed in tank body; Then, the magnetic potential behind jar is detected mechanism safeguard or examine and determine, promptly reset after qualified.
As shown in Figure 3, the magnetic float liquid level sensor can be inverted and be installed on the tank body.
Claims (5)
- The split type dress of a magnetic float liquid level sensor, tear method open, the magnetic float liquid level sensor has measuring staff, magnetic float, magnetic potential and detects mechanism, magnetic potential detects mechanism and has magnetosensitive sense parts and signal transmitting device, it is characterized in that: during installation, measuring staff hollow Hatch Opening is arranged at outside the tank body, make pressure and tank body internal pressure in the hole capital after selling all securities in the measuring staff isolated, and can communicate with atmosphere in the middle hole capital after selling all securities, magnetosensitive sense parts via hollow Hatch Opening fixation in this storehouse; Safeguard or during calibrating that jar does not need pressure release, clear jar and stops transport, just can from measuring staff, extract the magnetosensitive sense parts that magnetic potential detects mechanism in the hole capital after selling all securities out, make this mechanism from jar.
- 2. the split type dress of magnetic float liquid level sensor according to claim 1, tear method open, it is characterized in that: the magnetic float sensor can just be put or be inverted and be installed on the tank body.
- 3. the split type dress of magnetic float liquid level sensor according to claim 2, tear method open, it is characterized in that: the upper end of magnetosensitive sense parts is connected to positioning cap, by the connecing or take off of positioning cap and measuring staff hollow Hatch Opening, make magnetosensitive sense parts fixation in measuring staff in the hole capital after selling all securities or with its disengaging.
- 4. the split type dress of magnetic float liquid level sensor according to claim 1, tear method open, it is characterized in that: measuring staff hollow Hatch Opening end is connected with flange, makes between this flange and the tank flange to be connected again, and makes the sealing of two junctions.
- 5. realize the split type dress of the described magnetic float liquid level sensor of claim 1, tear the device of method open for one kind, comprise that measuring staff, magnetic float, magnetic potential detect mechanism, magnetic potential detects mechanism and has magnetosensitive sense parts and signal transmitting device, the magnetic float is contained in the outside of measuring staff, it is characterized in that: the Hatch Opening end joint flange of measuring staff, be connected between aforementioned flange and the tank flange, and make the sealing of two junctions; The upper end of magnetosensitive sense parts is connected to positioning cap, by positioning cap with magnetosensitive sense parts fixation in measuring staff in the hole capital after selling all securities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100733355A CN102012250B (en) | 2009-12-02 | 2009-12-02 | Split assembly and disassembly method and device for magnetic float liquid level sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100733355A CN102012250B (en) | 2009-12-02 | 2009-12-02 | Split assembly and disassembly method and device for magnetic float liquid level sensor |
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| Publication Number | Publication Date |
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| CN102012250A true CN102012250A (en) | 2011-04-13 |
| CN102012250B CN102012250B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100733355A Active CN102012250B (en) | 2009-12-02 | 2009-12-02 | Split assembly and disassembly method and device for magnetic float liquid level sensor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542913A (en) * | 2012-07-12 | 2014-01-29 | 范序政 | Inverted-cup-type magnetic floater and assembling method thereof |
| CN103742227A (en) * | 2013-12-19 | 2014-04-23 | 重庆隆鑫发动机有限公司 | Installation structure for oil level sensor of engine, and oil level sensor |
| CN104121969A (en) * | 2014-08-06 | 2014-10-29 | 范序政 | Floating roof tank liquid level measuring device and measuring method with device used |
| CN105865584A (en) * | 2015-01-22 | 2016-08-17 | 上海日立电器有限公司 | A liquid level sensor and a compressor with the same |
| CN110375829A (en) * | 2019-08-08 | 2019-10-25 | 范序政 | The method that a DN80 flange hole installs two diameter 75mm magnetic float liquid level sensors on container |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5640880A (en) * | 1995-03-13 | 1997-06-24 | Magnetrol International, Inc. | Magnetostrictive sensor |
-
2009
- 2009-12-02 CN CN2009100733355A patent/CN102012250B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542913A (en) * | 2012-07-12 | 2014-01-29 | 范序政 | Inverted-cup-type magnetic floater and assembling method thereof |
| CN103542913B (en) * | 2012-07-12 | 2018-10-02 | 范序政 | Cup type magnetic float and its assembly method for magnetic float liquid level sensor |
| CN103742227A (en) * | 2013-12-19 | 2014-04-23 | 重庆隆鑫发动机有限公司 | Installation structure for oil level sensor of engine, and oil level sensor |
| CN104121969A (en) * | 2014-08-06 | 2014-10-29 | 范序政 | Floating roof tank liquid level measuring device and measuring method with device used |
| CN104121969B (en) * | 2014-08-06 | 2018-06-05 | 范序政 | A kind of floating roof tank liquid level emasuring device and the measuring method using the device |
| CN105865584A (en) * | 2015-01-22 | 2016-08-17 | 上海日立电器有限公司 | A liquid level sensor and a compressor with the same |
| CN110375829A (en) * | 2019-08-08 | 2019-10-25 | 范序政 | The method that a DN80 flange hole installs two diameter 75mm magnetic float liquid level sensors on container |
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| Publication number | Publication date |
|---|---|
| CN102012250B (en) | 2012-05-30 |
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