CN218349556U - Pendulum type Hall flowmeter - Google Patents

Abstract

The utility model discloses a pendulum-type hall flowmeter relates to flowmeter technical field. The utility model provides a pendulum-type hall flowmeter, is including surveying buret, survey buret inside is provided with the spoiler, the inside hall element that is provided with of spoiler, survey buret top and bottom are provided with first magnet and the second magnet that is used for providing the constant magnetic field for hall element respectively, and the spoiler top is provided with display controller, and the spoiler is articulated through articulated subassembly and display controller, hall element and display controller electric connection, the spoiler top is provided with sealing connection subassembly. The utility model discloses a bluff piece that sets up in surveying buret, the sealing connection subassembly that the hall element and the top that the inside set up of bluff piece set up, mutually support with bluff piece looks articulated display controller and survey buret top and first magnet that the bottom set up respectively and second magnet for the flowmeter can measure the not equidirectional medium that flows, and the practicality is high.

Description

Pendulum type Hall flowmeter

Technical Field

The utility model relates to a flowmeter technical field specifically is a pendulum-type hall flowmeter.

Background

The flow meter is a meter for measuring the flow rate of fluid in a pipeline or an open channel, and is classified into a liquid flow meter and a gas flow meter according to media.

Most flowmeters are using the flow direction that needs the restriction medium at present, can not all can measure the medium and mostly can not use in abominable medium (have large granule liquid, strong acid solution, alkali solution etc.) by the forward and reverse, and the practicality is lower, consequently, the utility model provides a novel pendulum-type hall flowmeter is used for solving the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pendulum-type hall flowmeter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pendulum-type hall flowmeter, is including surveying buret, survey buret inside is provided with the spoiler, the inside hall element that is provided with of spoiler, survey buret top and bottom and be provided with first magnet and the second magnet that is used for providing the constant magnetic field for hall element respectively, the spoiler top is provided with display controller, and the spoiler is articulated through articulated subassembly and display controller, hall element and display controller electric connection, the spoiler top is provided with sealing connection subassembly.

Preferably, sealing connection subassembly is including being used for the hose, hose bottom fixedly connected with retention block, top and display controller fixed connection, a plurality of sealing rings of fixedly connected with on the retention block, retention block top fixedly connected with seal ring.

Preferably, a threaded ring is arranged at the top of the sealing washer, and the diameter of the outer ring of the threaded ring is matched with that of the sealing washer.

Preferably, a plurality of annular grooves matched with the sealing rings are formed in the top of the spoiler, and threaded grooves matched with the threaded rings are formed in the top of the annular grooves.

Preferably, a plurality of pins arranged on the hall element are all sleeved in the hose.

Preferably, the hinge assembly comprises a first connecting block which is symmetrically and fixedly connected to the top of the spoiler, a threaded bolt is screwed on the top of the first connecting block, and a rotating rod is movably connected between the first connecting blocks.

Preferably, the two ends of the rotating rod are fixedly connected with second connecting blocks, the second connecting blocks are fixedly connected with the bottom of the display controller, and holes matched with the hoses are formed in the rotating rod.

Preferably, the measuring pipe is provided with connecting pipes on both sides.

Preferably, the top of the threaded ring is fixedly connected with a stop block.

Compared with the prior art, the beneficial effects of the utility model are that:

this pendulum-type hall flowmeter, through surveying the spoiler that sets up in the buret, the hall element that the spoiler inside set up and the sealing connection subassembly of top setting mutually support with spoiler articulated display controller and survey between first magnet and the second magnet that buret top and bottom set up respectively for the medium that the equidirectional flow can be measured to the flowmeter, and the practicality is high.

The pendulum Hall flowmeter comprises a fixing block fixedly connected with the bottom of a hose, a plurality of sealing rings which are matched with ring grooves and fixedly connected with the fixing block, and sealing washers fixedly connected with the top of the fixing block and the hose fixedly connected with the inner part of the fixing block, wherein the sealing rings are matched with the ring grooves, so that a Hall element can be well sealed in a flow resisting sheet, and therefore a severe medium can be measured without damaging the Hall element.

Drawings

FIG. 1 is a schematic view of a flow meter according to the present invention;

FIG. 2 is an enlarged view of the spoiler force analysis in FIG. 1 according to the present invention;

FIG. 3 is a schematic perspective view of the spoiler, the sealing connection assembly and the hinge assembly according to the present invention;

FIG. 4 is a schematic view of a three-dimensional split structure of the spoiler, the sealing connection assembly and the hinge assembly of the present invention;

FIG. 5 is a perspective cross-sectional view of the spoiler, the sealing connection assembly and the hinge assembly of the present invention;

fig. 6 is a schematic view of a three-dimensional split structure of the sealing and connecting assembly of the present invention;

fig. 7 is a schematic perspective view of the hinge assembly of the present invention;

fig. 8 is a schematic diagram of the hall effect of the present invention.

In the figure: 1. a display controller; 2. a measurement tube; 201. a connecting pipe; 3. a first magnet; 301. a second magnet; 4. a spoiler; 401. a ring groove; 402. a thread groove; 5. a Hall element; 6. sealing the connecting assembly; 601. a hose; 602. a retention block; 603. a seal ring; 604. a sealing gasket; 605. a threaded ring; 606. a stopper; 7. a hinge assembly; 701. rotating the rod; 702. a first connection block; 703. a threaded bolt; 704. and a second connecting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, e.g., the thickness or width of some layers may be exaggerated relative to other layers.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one of the figures, it will not need to be further discussed or illustrated in detail in the description of the figures that follows.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a pendulum-type hall flowmeter, including surveying buret 2, survey 2 inside spoilers 4 that are provided with of buret, spoilers 4 can adopt and to have excellent corrosion resistance, formability and tough stainless steel, be difficult for corroding by special abominable flow medium such as strong acid strong alkali, make spoilers 4 life longer, spoilers 4 inside are provided with hall element 5, survey 2 tops of buret and bottom and be provided with first magnet 3 and the second magnet 301 that is used for providing constant magnetic field for hall element 5 respectively, spoilers 4 tops are provided with display controller 1, spoilers 4 are articulated through articulated subassembly 7 and display controller 1, hall element 5 and display controller 1 electric connection, spoilers 4 tops are provided with sealing connection subassembly 6. It should be noted that L is the current medium flow direction.

As shown in fig. 5-6, the sealing and connecting assembly 6 includes a hose 601, a plurality of pins disposed on the hall element 5 are all sleeved in the hose 601, a retaining block 602 is fixedly connected to the bottom of the hose 601, the top of the hose is fixedly connected to the display controller 1, a plurality of sealing rings 603 are fixedly connected to the retaining block 602, a sealing washer 604 is fixedly connected to the top of the retaining block 602, a threaded ring 605 is disposed on the top of the sealing washer 604, the diameter of the outer ring of the threaded ring 605 is matched with that of the sealing washer 604, and a stopper 606 is fixedly connected to the top of the threaded ring 605. It should be noted that the sealing gasket 604 is made of a fluororubber material with heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance, so that the service life of the sealing gasket 604 is longer and the sealing effect is better. It should be explained that the stop 606 can be arranged to have a certain effect of blocking the medium, so that the medium is not easy to enter into the gap between the threaded ring 605 and the thread groove 402 formed at the top of the flow blocking plate 4.

As a specific embodiment, the top of the spoiler 4 is provided with a plurality of ring grooves 401 adapted to the sealing ring 603, and the top of the ring grooves 401 is provided with a threaded groove 402 adapted to the threaded ring 605.

As shown in fig. 7, the hinge assembly 7 includes first connecting blocks 702 symmetrically and fixedly connected to the top of the spoiler 4, threaded bolts 703 are screwed on the top of the first connecting blocks 702, a rotating rod 701 is movably connected between the first connecting blocks 702, second connecting blocks 704 are fixedly connected to two ends of the rotating rod 701, the second connecting blocks 704 are fixedly connected to the bottom of the display controller 1, and holes adapted to the hoses 601 are formed in the rotating rod 701.

As a specific example, the measuring tube 2 is provided with connecting tubes 201 on both sides. It should be noted that the connecting pipe 201 can be replaced correspondingly according to the pipe diameter and the shape of the pipeline to be matched.

Specifically, a constant magnetic field is applied to the hall element 5 through the first magnet 3 and the second magnet 301, corresponding pins of the hall element 5 penetrate through the hose 601 to be electrically connected with the display controller 1, the connecting pipe 201 is connected with corresponding pipelines, so that a medium passes through the measuring pipe 2, the hall element 5 is protected inside the spoiler 4, when the flowing medium impacts the spoiler 4, the spoiler 4 is forced to generate a certain deflection angle (as shown in fig. 2), the deflection angle changes to a certain change of hall voltage, the change signal is collected and processed by the display controller 1, the current speed of the medium at the moment can be derived, and the total amount can be measured through accumulation, as shown in fig. 8, B is a constant magnetic field, a constant current I is applied in the ab direction, cf is a hall voltage UH, UH changes along with different angles generated between the hall element 5 and the direction of the magnetic field, because the magnetic field B does not change after the angle difference is generated, the magnetic field after the surface of the hall element 5 is folded after the angle is generated, the magnitude of the magnetic field changes, and the magnitude of the current of the magnetic field changes along with the change of the spoiler 4, when the angle of the magnetic field is generated, the spoiler, the change of the magnetic field intensity can be calculated according to the change of the magnetic field intensity, and the spoiler can be calculated according to the change of the typical change of the magnetic field intensity of the spoiler 4. It should be noted that the hall effect formula is U = IB/nqd, wherein nq is related to the material of the conductor, and for a certain conductor, nq is a constant, d is the thickness of the hall element 5, U is the hall voltage, I is the current, B is the magnetic field strength, wherein the magnetic field direction is the same when the hall element 5 is vertical, the first state is when the flow blocking piece 4 is vertical, that is, when the liquid does not flow and the magnetic field is parallel, the flow blocking piece 4 is parallel to the magnetic field direction when the liquid is vertical, so there is no flow; in the second state, when the spoiler 4 is deflected by 45 ° from the magnetic field, the magnetic field applied to the spoiler 4 is B1, where the relationship between B1 and B is B1= Bcos θ, and θ is the angle degree. After B1, the data of the Hall voltage U can be calculated, so that the data can correspond to a certain flow velocity value, and the flow can be calculated through the accumulation of time after the flow velocity is known; the third state is a state that the flow blocking sheet 4 is completely jacked up and is parallel to the flowing direction of the liquid or completely vertical to the magnetic field, the state is that the flow blocking sheet 4 is parallel to the flowing direction of the liquid, the maximum measuring range of the flowmeter is realized at the moment, and the state that the receiving plane is vertical to the maximum magnetic field is also realized, so that B1= B, and the calculation is carried out according to a Hall effect formula.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. A pendulum Hall flow meter, including surveying buret (2), its characterized in that: survey buret (2) inside and be provided with spoiler (4), spoiler (4) inside is provided with hall element (5), surveys buret (2) top and bottom and is provided with first magnet (3) and second magnet (301) that are used for providing constant magnetic field for hall element (5) respectively, and spoiler (4) top is provided with display controller (1), and spoiler (4) are articulated through articulated subassembly (7) and display controller (1), hall element (5) and display controller (1) electric connection, spoiler (4) top are provided with sealing connection subassembly (6).

2. The pendulum hall flowmeter of claim 1, wherein: sealing connection subassembly (6) is including being used for hose (601), hose (601) bottom fixedly connected with retention piece (602), top and display controller (1) fixed connection, a plurality of sealing rings of fixedly connected with (603) on retention piece (602), retention piece (602) top fixedly connected with seal ring (604).

3. The pendulum hall flowmeter of claim 2, wherein: the top of the sealing washer (604) is provided with a threaded ring (605), and the diameter of the outer ring of the threaded ring (605) is matched with that of the sealing washer (604).

4. The pendulum hall flowmeter of claim 2, wherein: a plurality of annular grooves (401) matched with the sealing rings (603) are formed in the top of the spoiler (4), and threaded grooves (402) matched with the threaded rings (605) are formed in the top of the annular grooves (401).

5. The pendulum hall flowmeter of claim 2, wherein: and a plurality of pins arranged on the Hall element (5) are sleeved in the hose (601).

6. The pendulum hall flowmeter of claim 2, wherein: articulated subassembly (7) are including first connecting block (702) of symmetry fixed connection at spoiler (4) top, and threaded bolt (703) are all spiro union in first connecting block (702) top, and swing joint has rotary rod (701) between first connecting block (702).

7. The pendulum hall flowmeter of claim 6, wherein: rotating rod (701) both ends fixedly connected with second connecting block (704), second connecting block (704) all with display controller (1) bottom fixed connection, set up the hole with hose (601) looks adaptation on rotating rod (701).

8. The pendulum hall flowmeter of claim 1 wherein: survey buret (2) both sides and all be provided with connecting pipe (201).

9. The pendulum hall flowmeter of claim 3, wherein: the top of the threaded ring (605) is fixedly connected with a stop block (606).

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