CN107044877A - A kind of cryogenic vacuum type magnetic fluid level gauge - Google Patents
A kind of cryogenic vacuum type magnetic fluid level gauge Download PDFInfo
- Publication number
- CN107044877A CN107044877A CN201710450334.2A CN201710450334A CN107044877A CN 107044877 A CN107044877 A CN 107044877A CN 201710450334 A CN201710450334 A CN 201710450334A CN 107044877 A CN107044877 A CN 107044877A
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- Prior art keywords
- pipe
- level gauge
- layer
- fluid level
- pin
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Classifications
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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
- G01F23/64—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 of the free float type without mechanical transmission elements
- G01F23/72—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 of the free float type without mechanical transmission elements using magnetically actuated indicating means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of cryogenic vacuum type magnetic fluid level gauge, including main pipe, main pipe is made up of media flow pipe and jacket pipe, magnetic float is provided with the pipe of media flow pipe, main pipe side is connected with display box by one group of anchor ear, provided with electronic induction element and LED double color luminotrons in display box, main pipe bottom is provided with lower flange, blow-off pipe is connected with below lower flange, remote transmitter is provided with lower flange, main pipe opposite side, which is respectively equipped with connecting tube and lower connecting tube, upper connecting tube, is equipped with upper limit position switch, and lower position switch is housed at lower connecting tube；Vacuum layer is provided between jacket pipe and media flow pipe, layer of polyurethane is filled between jacket pipe and vacuum layer, jacket pipe outside, which is tied with outside fire resistant ceramic fiber layer, fire resistant ceramic fiber layer, is tied with fire safe type aluminum foil and adhesive tape.The present invention, which provides one kind, can be effectively isolated hot and cold conduction, it is ensured that will not be frozen outside liquid level gauge main body, the cryogenic vacuum type magnetic fluid level gauge of frosting.
Description
Technical field
The present invention relates to a kind of liquid level gauge, more particularly to a kind of cryogenic vacuum type magnetic fluid level gauge.
Background technology
The height of liquid medium is called liquid level in a reservoir, measures the instrument of liquid level liquid level gauge, liquid level is calculated as material level gauge
One kind of table, the type of liquid level gauge has tuning fork vibrating type, maglev type, pressure type, ultrasonic wave, sonar ripple, magnetic turnover panel, radar etc.,
Magnetic float level indicator is to drive double-colored turned column or turnover panel to indicate a kind of instrument of liquid level with magnet buoy, is widely used in oil
The industries such as chemical industry, as the liquid level position for measuring and indicating in the container such as all kinds of grooves, tower, tank, spherical, current existing magnetic liquid
Position meter, without hot and cold conduction is isolated, causes icing, frosting etc. outside liquid level gauge main body in extremely low or high operating temperature
Phenomenon.
The content of the invention
Goal of the invention：The invention aims to solve it is of the prior art it is not enough there is provided one kind can be effectively isolated it is cold,
Heat transfer, it is ensured that will not be frozen outside liquid level gauge main body, the cryogenic vacuum type magnetic fluid level gauge of frosting.
Technical scheme：A kind of cryogenic vacuum type magnetic fluid level gauge of the present invention, including main pipe, main pipe is by medium
Flow duct is constituted with jacket pipe, is cased with being provided with magnetic float in jacket pipe, the pipe of media flow pipe outside the pipe of media flow pipe, main
Conduit side is connected with provided with electronic induction element and LED double color luminotrons in display box, display box by one group of anchor ear, is dominated
Ttom of pipe end, which is provided with below lower flange, lower flange, is connected with blow-off pipe, and blow-off pipe side, which is provided with blowoff valve, lower flange, is provided with teletransmission
Transmitter, main pipe opposite side, which is respectively equipped with connecting tube and lower connecting tube, upper connecting tube, is equipped with upper limit position switch, lower connection
Lower position switch is housed at pipe；
Vacuum layer is provided between jacket pipe and media flow pipe, layer of polyurethane, folder are filled between jacket pipe and vacuum layer
Outside of sleeve is tied with outside fire resistant ceramic fiber layer, fire resistant ceramic fiber layer and is tied with fire safe type aluminum foil and adhesive tape, folder
Sleeve pipe, vacuum layer, layer of polyurethane, fire resistant ceramic fiber layer, gross thickness≤20mm of fire safe type aluminum foil and adhesive tape.
Further, magnet steel is provided with magnetic float, magnet steel is SmCo magnet steel.
Further, LED double color luminotrons are made up of white luminous pipe and red luminotron.
Further, jacket pipe is PA tube, and the thickness of jacket pipe is 2mm-3mm.
Further, the thickness of vacuum layer is 2mm-3mm, and the thickness of layer of polyurethane is 5mm, fire resistant ceramic fibre
The thickness of layer is 1.5mm-2mm, and fire safe type aluminum foil and adhesive tape thickness is 1.5mm-2mm.
Further, blowoff valve is low temperature long-neck gate valve.
Further, display box uses steel plastic-sprayed corrosion-preventive.
Further, the vacuum of vacuum layer is 76cmhg.
Further, the triggers circuit of electronic induction element includes passing through between two circuit units, two circuit units
Diode is connected, and is equipped with chip in two circuit units, it is micro- that chip one end is connected to the first magnetic by multiple resistance
Dynamic switch, the second magnetic micro switch, the 3rd magnetic micro switch, the chip other end are in parallel multiple by pin 12, pin 13
Resistance is connected with LED1, and chip is connected with LED2 by pin 10, the multiple resistance in parallel of pin 11, and chip passes through pin 8, pin
9 multiple resistance in parallel are connected with LED3, and the pin 9 of the chip is connected with pin 6.
The model 74HC04D of chip, the entitled 3Y of pin 6 of chip, the entitled 4Y of pin 8 of chip, the pipe of chip
The entitled 4A of pin 9, the entitled 5Y of pin 10 of chip, the entitled 5A of pin 11 of chip, the entitled 6Y of pin 12 of chip, core
The entitled 6A of pin 13 of piece.
The present invention has advantages below compared with prior art：
1st, the present invention provide one kind can be effectively isolated hot and cold conduction, it is ensured that will not be frozen outside liquid level gauge main body, frosting it is low
Warm vacuum type magnetic fluid level gauge；
2nd, display box 6 uses steel plastic-sprayed corrosion-preventive in the present invention, and its media operation temperature is between -25 DEG C~150 DEG C, sealing
In display board inframe, outermost is integrally bundled in, is not contacted with medium, and be separated by media flow pipe 2, vacuum layer with medium
16th, jacket pipe 3, layer of polyurethane 17, fire resistant ceramic fiber layer 18, fire safe type aluminum foil and adhesive tape 19, therefore completely can be low
Warm medium supervisor is outer to be used, and to equipped with inflammable, explosive, poisonous, mordant container, it is fool proof reliable when using；
3rd, in the present invention SmCo magnet steel by samarium, cobalt and other metal-rare-earth materials through proportioning, be smelted into alloy, it is size-reduced,
A kind of magnetic material being made after die mould, sintering, with high energy product, extremely low temperature coefficient, maximum operating temperature can reach
350 DEG C, subzero temperature is not limited；
4th, the present invention is using LED double color luminotrons 7, and white is in gas phase, and red is in liquid phase, indicates continuous eye-catching, nothing directly perceived
Blind area, occurs falsity water level in no instance；
5th, the present invention is simple in construction, convenient to install and maintain, and range is big, and design pressure is high, and service life is long, uses scope
Extensively.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of main pipe of the present invention.
Fig. 3 is circuit diagram of the invention.
Label in figure：1- main pipes, 2- media flows pipe, 3- jacket pipes, 4- magnetic floats, 5- anchor ears, 6- display boxes, 7-
Connected under LED double color luminotrons, 8- lower flanges, 9- blow-off pipes, 10- blowoff valves, 11- remote transmitters, the upper connecting tubes of 12-, 13-
Pipe, 14- upper limit position switch, 15- lower position switch, 16- vacuum layers, 17- layer of polyurethane, 18- fire resistants ceramic fiber layer,
19- fire safe type aluminum foil and adhesive tapes
Embodiment
In order to deepen the present invention understanding, below we will the invention will be further described with reference to accompanying drawing, the embodiment
It is only used for explaining the present invention, is not intended to limit the scope of the present invention..
A kind of cryogenic vacuum type magnetic fluid level gauge, including main pipe 1 as shown in Figure 1-Figure 3, the main pipe 1 is by medium flow field
Dynamic pipe 2 is constituted with jacket pipe 3, and jacket pipe 3 is cased with outside the pipe of the media flow pipe 2, and the jacket pipe 3 is PA tube, institute
The thickness for stating jacket pipe 3 is to be provided with magnetic float 4, the magnetic float 4 to set in 2mm-3mm, the pipe of the media flow pipe 2
There is magnet steel, the magnet steel is SmCo magnet steel, and the side of main pipe 1 is connected with display box 6, the display by one group of anchor ear 5
Box 6 is used in steel plastic-sprayed corrosion-preventive, the display box 6 provided with electronic induction element and LED double color luminotrons 7, the double-colored hairs of the LED
Light pipe 7 is made up of white luminous pipe and red luminotron, and the bottom of main pipe 1 is provided with lower flange 8, the lower section of lower flange 8
Blow-off pipe 9 is connected with, the side of blow-off pipe 9 is provided with blowoff valve 10, and the blowoff valve 10 is low temperature long-neck gate valve, the laxative remedy
Remote transmitter 11 is provided with orchid 8, the opposite side of main pipe 1 is respectively equipped with connecting tube 12 and lower connecting tube 13, it is described on
It is equipped with connecting tube 12 at upper limit position switch 14, the lower connecting tube 13 and lower position switch 15 is housed；
Vacuum layer 16 is provided between the jacket pipe 3 and media flow pipe 2, is filled out between the jacket pipe 3 and vacuum layer 16
Filled with layer of polyurethane 17, the outside of jacket pipe 3 is tied with fire resistant ceramic fiber layer 18, and the fire resistant ceramics are fine
Fire safe type aluminum foil and adhesive tape 19 is tied with outside dimension layer 18, the jacket pipe 3, vacuum layer 16, layer of polyurethane 17, fire resistant ceramics are fine
Tie up layer 18, gross thickness≤20mm of fire safe type aluminum foil and adhesive tape 19；
The thickness of the vacuum layer 16 is 2mm-3mm, and the vacuum of the vacuum layer 16 is 76cmhg, the layer of polyurethane
17 thickness is 5mm, and the thickness of the fire resistant ceramic fiber layer 18 is 1.5mm-2mm, the fire safe type aluminum foil and adhesive tape
19 thickness are 1.5mm-2mm；
The triggers circuit of the electronic induction element includes passing through two between two circuit units, two circuit units
Pole pipe is connected, and is equipped with chip in two circuit units, described chip one end is connected to first by multiple resistance
Magnetic micro switch, the second magnetic micro switch, the 3rd magnetic micro switch, the chip other end pass through pin 12, pin
13 multiple resistance in parallel are connected with LED1, and the chip is connected with LED2 by pin 10, the multiple resistance in parallel of pin 11, described
Chip is connected with LED3 by pin 8, the multiple resistance in parallel of pin 9, and the pin 9 of the chip is connected with pin 6；
The model 74HC04D of the chip, the entitled 3Y of pin 6 of the chip, the pin 8 of the chip is entitled
4Y, the entitled 4A of pin 9 of the chip, the entitled 5Y of pin 10 of the chip, the entitled 5A of pin 11 of the chip,
The entitled 6Y of pin 12 of the chip, the entitled 6A of pin 13 of the chip.
Operation principle：When the liquid level lifting in tested container, the magnetic float 4 in media flow pipe 2 is lifted therewith, magnetic
Property float 2 in permanent-magnet steel electronic induction element in display box 6, the corresponding numeral of triggering are delivered to by magnetic coupling interaction
The first magnetic micro switch, the second magnetic micro switch, the 3rd magnetic micro switch closure, closure in circuit, circuit unit
When LED double color luminotrons 7 at it is shown in red, LED double color luminotrons 7 are shown as white, white when magnetic micro switch is opened
In gas phase, red is in liquid phase.
The present invention, which provides one kind, can be effectively isolated hot and cold conduction, it is ensured that will not be frozen outside liquid level gauge main body, the low temperature of frosting
Vacuum type magnetic fluid level gauge；In the present invention display box 6 use steel plastic-sprayed corrosion-preventive, its media operation temperature -25 DEG C~150 DEG C it
Between, be sealed in display board inframe, be integrally bundled in outermost, do not contacted with medium, and with medium be separated by media flow pipe 2,
Vacuum layer 16, jacket pipe 3, layer of polyurethane 17, fire resistant ceramic fiber layer 18, fire safe type aluminum foil and adhesive tape 19, therefore completely
Can use cryogenic media supervisor is outer, and to equipped with inflammable, explosive, poisonous, mordant container, it is fool proof when using can
Lean on；SmCo magnet steel is smelted into alloy, size-reduced, die mould, burning by samarium, cobalt and other metal-rare-earth materials through proportioning in the present invention
A kind of magnetic material being made after knot, with high energy product, extremely low temperature coefficient, maximum operating temperature can reach 350 DEG C, bear
Temperature is not limited；The present invention uses LED double color luminotrons 7, and white is in gas phase, and red is in liquid phase, and instruction is continuous directly perceived eye-catching, without blind
Area, occurs falsity water level in no instance；The present invention is simple in construction, convenient to install and maintain, and range is big, design pressure
Height, service life is long, wide using scope.
Above-mentioned embodiment, technical concept and architectural feature only to illustrate the invention, it is therefore intended that allow and be familiar with this
The stakeholder of item technology can implement according to this, but above content is not intended to limit protection scope of the present invention, every according to this hair
Any equivalent change or modification that bright Spirit Essence is made, all should fall under the scope of the present invention.
Claims (9)
1. a kind of cryogenic vacuum type magnetic fluid level gauge, it is characterised in that：Including main pipe (1), the main pipe (1) is by medium flow field
Dynamic pipe (2) is constituted with jacket pipe (3), and jacket pipe (3), the media flow pipe (2) are cased with outside the pipe of the media flow pipe (2)
Pipe in be provided with magnetic float (4), main pipe (1) side is connected with display box (6) by one group of anchor ear (5), described aobvious
Show that, provided with electronic induction element and LED double color luminotrons (7) in box (6), main pipe (1) bottom is provided with lower flange (8), institute
State and blow-off pipe (9) is connected with below lower flange (8), blow-off pipe (9) side is provided with blowoff valve (10), the lower flange (8)
Place is provided with remote transmitter (11), and main pipe (1) opposite side is respectively equipped with connecting tube (12) and lower connecting tube (13), institute
Connecting tube (12) place is stated equipped with upper limit position switch (14), lower connecting tube (13) place is equipped with lower position switch (15)；
Vacuum layer (16), the jacket pipe (3) and vacuum layer (16) are provided between the jacket pipe (3) and media flow pipe (2)
Between be filled with the outside of layer of polyurethane (17), the jacket pipe (3) and be tied with fire resistant ceramic fiber layer (18), the resistance to height
Fire safe type aluminum foil and adhesive tape (19), the jacket pipe (3), vacuum layer (16), polyurethane are tied with outside warm refractory ceramic fibrous layer (18)
Layer (17), fire resistant ceramic fiber layer (18), gross thickness≤20mm of fire safe type aluminum foil and adhesive tape (19).
2. a kind of cryogenic vacuum type magnetic fluid level gauge according to claim 1, it is characterised in that：In the magnetic float (4)
Provided with magnet steel, the magnet steel is SmCo magnet steel.
3. a kind of cryogenic vacuum type magnetic fluid level gauge according to claim 1, it is characterised in that：The LED double color luminotrons
(7) it is made up of white luminous pipe and red luminotron.
4. a kind of cryogenic vacuum type magnetic fluid level gauge according to claim 1, it is characterised in that：The jacket pipe (3) is poly-
Acrylic tubing, the thickness of the jacket pipe (3) is 2mm-3mm.
5. a kind of cryogenic vacuum type magnetic fluid level gauge according to claim 1, it is characterised in that：The thickness of the vacuum layer (16)
Spend for 2mm-3mm, the thickness of the layer of polyurethane (17) is 5mm, and the thickness of the fire resistant ceramic fiber layer (18) is
1.5mm-2mm, fire safe type aluminum foil and adhesive tape (19) thickness is 1.5mm-2mm.
6. a kind of cryogenic vacuum type magnetic fluid level gauge according to claim 1, it is characterised in that：The blowoff valve (10) is low
Warm long-neck gate valve.
7. a kind of cryogenic vacuum type magnetic fluid level gauge according to claim 1, it is characterised in that：The display box (6) uses
Steel plastic-sprayed corrosion-preventive.
8. a kind of cryogenic vacuum type magnetic fluid level gauge according to claim 1, it is characterised in that：The vacuum layer (16) it is true
Reciprocal of duty cycle is 76cmhg.
9. a kind of cryogenic vacuum type magnetic fluid level gauge according to claim 1, it is characterised in that：The electronic induction element
Triggers circuit includes connecting by diode between two circuit units, two circuit units, two circuit units
In be equipped with chip, described chip one end is connected to the first magnetic micro switch, the second magnetic micromotion by multiple resistance
Switch, the 3rd magnetic micro switch, the chip other end are connected with LED1 by pin 12, the multiple resistance in parallel of pin 13,
The chip is connected with LED2 by pin 10, the multiple resistance in parallel of pin 11, and the chip is in parallel more by pin 8, pin 9
Individual resistance is connected with LED3, and the pin 9 of the chip is connected with pin 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450334.2A CN107044877A (en) | 2017-06-15 | 2017-06-15 | A kind of cryogenic vacuum type magnetic fluid level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450334.2A CN107044877A (en) | 2017-06-15 | 2017-06-15 | A kind of cryogenic vacuum type magnetic fluid level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107044877A true CN107044877A (en) | 2017-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710450334.2A Pending CN107044877A (en) | 2017-06-15 | 2017-06-15 | A kind of cryogenic vacuum type magnetic fluid level gauge |
Country Status (1)
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| CN (1) | CN107044877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682444A (en) * | 2019-01-29 | 2019-04-26 | 安徽天康(集团)股份有限公司 | A kind of Novel high-temperature high-pressure magnetism hydraulic ga(u)ge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109682444A (en) * | 2019-01-29 | 2019-04-26 | 安徽天康(集团)股份有限公司 | A kind of Novel high-temperature high-pressure magnetism hydraulic ga(u)ge |
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Application publication date: 20170815 |