CN208206251U - A kind of dual chamber is shut off negative pressure float level meter - Google Patents

A kind of dual chamber is shut off negative pressure float level meter Download PDF

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Publication number
CN208206251U
CN208206251U CN201820959015.4U CN201820959015U CN208206251U CN 208206251 U CN208206251 U CN 208206251U CN 201820959015 U CN201820959015 U CN 201820959015U CN 208206251 U CN208206251 U CN 208206251U
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pressure
stabilizing
tube
measuring cylinder
cylinder
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CN201820959015.4U
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Chinese (zh)
Inventor
涂科学
肖本河
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Mag Instrument (chengdu) Co Ltd
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Mag Instrument (chengdu) Co Ltd
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Abstract

The utility model discloses a kind of dual chamber and shuts off negative pressure float level meter, the measuring cylinder of magnetic float is equipped with including magnetostrictive liquid level transducer, Liquid level scale, tube of pressure-stabilizing and inner cavity, magnetostrictive liquid level transducer is mounted in measuring cylinder, Liquid level scale is arranged along measuring cylinder length direction and is mounted on the outside of measuring cylinder, the bottom of measuring cylinder is equipped with sewage draining exit, the bottom end of tube of pressure-stabilizing is connected to the lower part of measuring cylinder, the top of tube of pressure-stabilizing is connected to the top of measuring cylinder, and the upper and lower part of side of the tube of pressure-stabilizing far from measuring cylinder is equipped with opening.The utility model is able to solve the problem of liquidometer negative pressure measurement card ball, realizes gradient cooling, for worst hot case occasion, liquid level, interface, output 4-20mA and HART signal are measured simultaneously, liquid level and interface when can also refer on the spot, in multifunctional measuring in the liquid level instrument of one.

Description

A kind of dual chamber is shut off negative pressure float level meter
Technical field
The utility model relates to liquidometer technical fields, and in particular to a kind of dual chamber is shut off negative pressure float level meter.
Background technique
Magnetic fluid level gauge linker upper and lower port is connected with the flange of container, by the magnetic float in linker with liquid level The generation that floats up and down magnetic coupling, drive the magnetic turning plate magnetic pole outside it to stir, show different colors, indicate tank fill level Highly, it is directly read by the graduated scale in magnetic turning plate.In industrial applications, negative pressure is caused since technique is unstable, is used In, so that magnetic float is stuck in the connector on linker top by suction function, liquidometer is caused to be unable to normal use.Some applications Operating condition needs magnetic fluid level gauge that can measure liquid level and interface, output 4-20mA and HART signal, liquid level when can also refer on the spot simultaneously The interface and.
Scene is allowed to disappear in the integral type level sensing instrument that magnetostriction liquidometer is used cooperatively with magnetic float liquidlevel meter Except most cable interfaces are connected with process, has the function of live liquid level instruction and teletransmission, and magnetostriction liquidometer and magnetic Float level meter also possesses the advantages that maintenance is simple, without demarcating after integrating use, can be greatly reduced product cost and maintenance at This.But it is still difficult to accurately measure liquid level under worst hot case.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of dual chamber and shuts off negative pressure float level meter, can solve Certainly the problem of liquidometer negative-pressure card ball, gradient cooling, more accurately measurement high-temp liquid liquid level are realized.For worst hot case field It closes, while measuring liquid level, interface, output 4-20mA and HART signal, liquid level and interface when can also refer on the spot, in multifunctional measuring In the liquid level instrument of one.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of dual chamber is shut off negative pressure float liquid level Meter is equipped with the measuring cylinder of magnetic float, the mangneto including magnetostrictive liquid level transducer, Liquid level scale, tube of pressure-stabilizing and inner cavity Flexible fluid level transmitter is mounted in the measuring cylinder, and the Liquid level scale is arranged and is mounted on along the measuring cylinder length direction On the outside of the measuring cylinder, the bottom of the measuring cylinder is equipped with sewage draining exit, the lower part of the bottom end of the tube of pressure-stabilizing and the measuring cylinder Connection, the top of the tube of pressure-stabilizing are connected to the top of the measuring cylinder, side of the tube of pressure-stabilizing far from the measuring cylinder Upper and lower part is equipped with opening.
The beneficial effects of the utility model are: making liquid after there is the spherical condition of lower negative pressure card by the way that tube of pressure-stabilizing is arranged Tube of pressure-stabilizing is able to enter as buffering, measuring cylinder completion level gauging is entered back into after balancing pressure, solves the problems, such as negative-pressure card ball; Gradient cooling can also be carried out to high-temp liquid by the buffering of tube of pressure-stabilizing simultaneously, level gauging is more acurrate.
Based on the above technical solution, the utility model can also do following improvement.
Further, the Liquid level scale includes graduated scale and the magnetic turning plate that couples with the magnetic float, the graduated scale It is fixed on the side of the magnetic turning plate, the other side of the magnetic turning plate is connect with the measuring cylinder lateral wall.
Beneficial effect using above-mentioned further scheme is that structure is simple, can have been coupled by magnetic turning plate and magnetic float At automatic instruction.
Further, the top of the tube of pressure-stabilizing is equipped with guided wave radar level transmitter.
Beneficial effect using above-mentioned further scheme is can to bundle two far transmission level meters and more than two alarm switches, It measures relatively reliable.
Further, it is fixed with pipe flange at the top of the tube of pressure-stabilizing, lid flange is connected on the pipe flange and passes through institute Lid flange is stated by the end sealing of the tube of pressure-stabilizing, the end of probe of the guided wave radar level transmitter is through the lid flange and institute Pipe flange is stated to protrude into the tube of pressure-stabilizing.
Beneficial effect using above-mentioned further scheme is that structure is simple, easy for installation.
Further, upper connecting leg and lower connecting leg, the top of the tube of pressure-stabilizing are equipped between the tube of pressure-stabilizing and the measuring cylinder It is connected to the top of the measuring cylinder by the upper connecting leg, the lower part of the lower part of the tube of pressure-stabilizing and the measuring cylinder passes through institute State lower connecting leg connection.
Beneficial effect using above-mentioned further scheme is that structure is simple.
Further, the bottom end of the pressure stabilizing tube inner chamber has up big and down small conical cavity, the bottom end of the conical cavity and institute State lower connecting leg connection.
Beneficial effect using above-mentioned further scheme is to play the role of osculum decompression, when liquid enters surely from opening When pressure cylinder inner cavity, allows the liquid to connecting leg under first passing through again after buffering a period of time in tube of pressure-stabilizing and enter in measuring cylinder, gradient drop The effect of temperature is more preferable, sufficiently solves the problems, such as negative-pressure card ball.
Further, the measuring cylinder includes cylinder and lid, and the bottom end of the cylinder is connected to the sewage draining exit, it is described on Connecting leg and the lower connecting leg are respectively communicated with the upper and lower part of the cylinder, and the top of the cylinder is sealed by the lid, The magnetostrictive liquid level transducer is mounted on the side of the cylinder, the magnetostriction line of the magnetostrictive liquid level transducer It arranges along the length direction of the cylinder and is coupled with the magnetic float.
Beneficial effect using above-mentioned further scheme is that structure is simple, easy for installation.
Further, the sewage draining exit includes sewage pipe and blowdown valve, the bottom end on the top of the sewage pipe and the cylinder Connection, the bottom end of the sewage pipe and the blowdown valve flanged joint.
Beneficial effect using above-mentioned further scheme is that the liquid in liquidometer is discharged by blowdown valve.Further, Two openings are respectively and fixedly provided with ring flange.
Beneficial effect using above-mentioned further scheme be by ring flange by liquidometer installation to the container, hold liquid into Enter or export, connection structure is simple.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the structural schematic diagram of embodiment 2.
In attached drawing, parts list represented by the reference numerals are as follows:
1, magnetostrictive liquid level transducer, 2, lid, 3, blowdown valve, 4, Liquid level scale, 5, cylinder, 6, ring flange, 7, on Connecting leg, 8, tube of pressure-stabilizing, 9, conical cavity, 10, lower connecting leg, 11, magnetic float, 12, guided wave radar level transmitter, 13, lid flange, 14, pipe flange, 15, sewage pipe.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.
Embodiment 1
The negative pressure float level meter as shown in Figure 1, a kind of dual chamber is shut off, including magnetostrictive liquid level transducer 1, liquid level mark Ruler 4, tube of pressure-stabilizing 8 and inner cavity are equipped with the measuring cylinder of magnetic float 11, and magnetostrictive liquid level transducer 1 is mounted in measuring cylinder, liquid Position scale 4 arranges along measuring cylinder length direction and is mounted on the outside of measuring cylinder that the bottom of measuring cylinder is equipped with sewage draining exit, tube of pressure-stabilizing 8 Bottom end be connected to the lower part of measuring cylinder, the top of tube of pressure-stabilizing 8 is connected to the top of measuring cylinder, and tube of pressure-stabilizing 8 is far from measuring cylinder The upper and lower part of side is equipped with opening.Upper connecting leg 7 and lower connecting leg 10 are equipped between tube of pressure-stabilizing 8 and measuring cylinder, tube of pressure-stabilizing 8 Top is connected to the top of measuring cylinder by upper connecting leg 7, and the lower part of tube of pressure-stabilizing 8 and the lower part of measuring cylinder are connected by lower connecting leg 10 It is logical.
Specifically, upper connecting leg 7 and lower connecting leg 10 are reducer pipe, variable diameter is connected between tube of pressure-stabilizing 8 and measuring cylinder.
Two openings are respectively and fixedly provided with ring flange 6.Sewage draining exit includes that 15 and blowdown valve 3 are hung in blowdown, and 15 top is hung in blowdown It is connected to the bottom end of measuring cylinder, 15 3 flanged joint of bottom end and blowdown valve is hung in blowdown.The bottom end of 8 inner cavity of tube of pressure-stabilizing has upper big Under small conical cavity 9, the bottom end of conical cavity 9 is connected to lower connecting leg 10.
Liquid level scale 4 includes graduated scale and the magnetic turning plate coupled with magnetic float 11, and graduated scale is fixed on the one of magnetic turning plate The other side of side, magnetic turning plate is connect with measuring cylinder lateral wall.
Measuring cylinder includes cylinder 5 and lid 2, and the bottom end of cylinder 5 hangs 15 with blowdown and is connected to, and upper connecting leg 7 and lower connecting leg 10 divide Not Lian Tong cylinder 5 upper and lower part, the top of cylinder 5 sealed by lid 2, and magnetostrictive liquid level transducer 1 is mounted on cylinder The side of body 5, the magnetostriction line of magnetostrictive liquid level transducer 1 along cylinder 5 length direction arrangement and with magnetic float 11 Coupling.
Tube of pressure-stabilizing 8 is connected by the flange of opening with container, and the liquid in container enters in tube of pressure-stabilizing 8 through flange port Chamber enters measurement tube inner chamber through lower connecting leg 10, and the density of magnetic float 11 is less than the density of testing liquid, can swim in liquid Surface is coupled by magnetic float 11 with magnetic turning plate, and magnetic turning plate indicates liquid level numerical value on the scale, is measured in measuring cylinder Liquid level.Magnetic float 11 is coupled with the magnetostriction line of magnetostrictive liquid level transducer 1 simultaneously, passes through magnetostrictive liquid level pick-up Device 1 measures liquid level and by liquid level signal teletransmission, is connect by magnetostrictive liquid level transducer 1 with controller, can complete to measure Liquid level handles liquid level signal by controller and issues the instructions such as command adapted thereto progress warning output.
Wherein, under some conditions, occur subnormal pressure even negative pressure condition, liquid in tube of pressure-stabilizing 8 and enter pressure stabilizing Tube of pressure-stabilizing 8 is first filled primarily under low, suction function after in cylinder 8, after pressure recovery is normal in tube of pressure-stabilizing 8, then through lower connecting leg 10 measure liquid level into measuring cylinder.When fluid temperature is higher, liquid is introduced into tube of pressure-stabilizing 8, then flows into measuring cylinder, can To realize gradient cooling, the liquid level of high-temp liquid is preferably measured.
Embodiment 2
As shown in Fig. 2, the present embodiment the difference from embodiment 1 is that, the top of tube of pressure-stabilizing 8 is equipped with guided wave radar level Transmitter 12.
The top of tube of pressure-stabilizing 8 is fixed with pipe flange 14, and lid flange 13 is connected on pipe flange 14 and passes through lid flange 13 will The end of probe of the end sealing of tube of pressure-stabilizing 8, guided wave radar level transmitter 12 protrudes into tube of pressure-stabilizing 8 through lid flange 13 and pipe flange 14 It is interior.
Tube of pressure-stabilizing 8 is connected by the flange of opening with container, and the liquid in container enters in tube of pressure-stabilizing 8 through flange port Chamber is distributed with liquid in tube of pressure-stabilizing 8 and measuring cylinder, is become by magnetostrictive liquid level when the pressure in tube of pressure-stabilizing 8 is normal It send device 1 and guided wave radar level transmitter 12 that can measure measuring cylinder and liquid level in tube of pressure-stabilizing 8 respectively and carries out teletransmission, pass through It connects controller and respective handling is carried out to liquid level signal.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (9)

  1. The negative pressure float level meter 1. a kind of dual chamber is shut off, it is characterised in that: including magnetostrictive liquid level transducer (1), liquid level Scale (4), tube of pressure-stabilizing (8) and inner cavity are equipped with the measuring cylinder of magnetic float (11), magnetostrictive liquid level transducer (1) installation In the measuring cylinder, the Liquid level scale (4) is arranged along the measuring cylinder length direction and is mounted on the outside of the measuring cylinder, The bottom of the measuring cylinder is equipped with sewage draining exit, and the bottom end of the tube of pressure-stabilizing (8) is connected to the lower part of the measuring cylinder, the pressure stabilizing The top of cylinder (8) is connected to the top of the measuring cylinder, and the top of side of the tube of pressure-stabilizing (8) far from the measuring cylinder is under Portion is equipped with opening.
  2. 2. a kind of dual chamber is shut off negative pressure float level meter according to claim 1, it is characterised in that: the Liquid level scale (4) magnetic turning plate for including graduated scale and coupling with the magnetic float (11), the graduated scale are fixed on the one of the magnetic turning plate Side, the other side of the magnetic turning plate are connect with the measuring cylinder lateral wall.
  3. 3. a kind of dual chamber is shut off negative pressure float level meter according to claim 1, it is characterised in that: the tube of pressure-stabilizing (8) Top guided wave radar level transmitter (12) are installed.
  4. 4. a kind of dual chamber is shut off negative pressure float level meter according to claim 3, it is characterised in that: the tube of pressure-stabilizing (8) Top be fixed with pipe flange (14), be connected on the pipe flange (14) lid flange (13) and by the lid flange (13) will The end sealing of the tube of pressure-stabilizing (8), the end of probe of the guided wave radar level transmitter (12) through the lid flange (13) and The pipe flange (14) is protruded into the tube of pressure-stabilizing (8).
  5. 5. a kind of any one of -4 dual chambers are shut off negative pressure float level meter according to claim 1, it is characterised in that: described steady Upper connecting leg (7) and lower connecting leg (10), the top of the tube of pressure-stabilizing (8) and the survey are equipped between pressure cylinder (8) and the measuring cylinder The top of graduated cylinder is by upper connecting leg (7) connection, and the lower part of the tube of pressure-stabilizing (8) and the lower part of the measuring cylinder are described in Lower connecting leg (10) connection.
  6. 6. a kind of dual chamber is shut off negative pressure float level meter according to claim 5, it is characterised in that: the tube of pressure-stabilizing (8) The bottom end of inner cavity has up big and down small conical cavity (9), and the bottom end of the conical cavity (9) is connected to the lower connecting leg (10).
  7. 7. a kind of dual chamber is shut off negative pressure float level meter according to claim 5, it is characterised in that: the measuring cylinder includes The bottom end of cylinder (5) and lid (2), the cylinder (5) is connected to the sewage draining exit, the upper connecting leg (7) and the lower connecting leg (10) it is respectively communicated with the upper and lower part of the cylinder (5), the top of the cylinder (5) is sealed by the lid (2), described Magnetostrictive liquid level transducer (1) is mounted on the side of the cylinder (5), the mangneto of the magnetostrictive liquid level transducer (1) Line stretcher is arranged along the length direction of the cylinder (5) and is coupled with the magnetic float (11).
  8. 8. a kind of dual chamber is shut off negative pressure float level meter according to claim 7, it is characterised in that: the sewage draining exit includes The top of sewage pipe (15) and blowdown valve (3), the sewage pipe (15) is connected to the bottom end of the cylinder (5), the sewage pipe (15) bottom end and the blowdown valve (3) flanged joint.
  9. 9. a kind of any one of -4 dual chambers are shut off negative pressure float level meter according to claim 1, it is characterised in that: two institutes It states opening and is respectively and fixedly provided with ring flange (6).
CN201820959015.4U 2018-06-21 2018-06-21 A kind of dual chamber is shut off negative pressure float level meter Active CN208206251U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820959015.4U CN208206251U (en) 2018-06-21 2018-06-21 A kind of dual chamber is shut off negative pressure float level meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820959015.4U CN208206251U (en) 2018-06-21 2018-06-21 A kind of dual chamber is shut off negative pressure float level meter

Publications (1)

Publication Number Publication Date
CN208206251U true CN208206251U (en) 2018-12-07

Family

ID=64497365

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820959015.4U Active CN208206251U (en) 2018-06-21 2018-06-21 A kind of dual chamber is shut off negative pressure float level meter

Country Status (1)

Country Link
CN (1) CN208206251U (en)

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