CN205015025U - Health type float flowmeter - Google Patents

Abstract

The utility model provides a hygienic float flowmeter, which comprises a conical tube and a float arranged inside the conical tube. An upper baffle and a lower baffle are arranged on the inner wall of the conical tube to limit the moving position of the float. The float Sleeved on the outside of the conduit, the float is composed of a magnetic float with N-level upper end and S-level lower end. The diameter of the lower end is smaller than the diameter of the upper end; fluid medium is injected into the tapered tube, and the magnetic float is in the fluid medium. A plurality of float positions are formed in the conical tube under the action of the conical tube; it also includes a flow value readout assembly arranged outside the conical tube and corresponding to the float positions. The utility model corresponds the position of the float in the tapered tube to the magnetic displacement or electric signal to display the flow rate, greatly simplifies the mechanical structure of the flowmeter, thereby reducing the cost and improving the production efficiency.

Description

Sanitary Rotameter

technical field

The utility model relates to a flowmeter, in particular to a sanitary float flowmeter.

Background technique

The current rotameter has a simple structure, but its measurement accuracy is poor, and some has a high precision, but its structure is very complicated. The more common one is a magnetic coupling float flowmeter. This kind of flowmeter has a magnetic rotor installed outside the conical tube. The linear displacement of the float is converted into the angular displacement of the rotor through the coupling attraction of the magnetic rotor and the magnet in the float. The sensor converts the corresponding angular displacement into the corresponding flow display, and the conversion of the position change into the angle change will produce nonlinear errors, the mechanical structure is complex, and the anti-interference ability is poor.

Contents of the invention

Aiming at the deficiencies in the above problems, the utility model provides a hygienic float flowmeter that displays the flow rate by corresponding the position of the float in the conical tube with the magnetic displacement or electric signal.

In order to achieve the above purpose, the utility model provides a hygienic float flowmeter, which includes a conical tube (1) and a float (2) arranged inside it, and is also provided on the inner wall of the conical tube (1). There are an upper baffle (4) and a lower baffle (5) used to limit the moving position of the float (2), the float (2) is sleeved on the outside of the conduit (3), and the float (2) Consisting of a magnetic float with N-level upper end and S-level lower end, the diameter of the lower end is smaller than the diameter of the upper end;

A fluid medium (7) is injected into the conical tube (1), and the magnetic float forms a plurality of float positions in the conical tube (1) under the action of the fluid medium (7);

It also includes a flow value reading assembly arranged outside the tapered tube (1) and corresponding to the position of the float.

In the sanitary rotameter mentioned above, the flow value readout component includes a magnetic coupling system (6) and a flow value indicating component connected thereto.

In the above-mentioned sanitary rotameter, wherein the flow value indicating component is composed of a pointer (9) connected to the magnetic coupling system (6) and an indicator (10) matched therewith.

The above-mentioned hygienic float flowmeter, wherein, the flow value reading assembly includes a Hall sensor for detecting the position of the float, and an arithmetic circuit unit and an LCD liquid crystal screen sequentially connected thereto, and the Hall sensor and The arithmetic circuit units are all solidified on the circuit board.

In the sanitary rotameter mentioned above, the Hall sensor, the arithmetic circuit unit and the circuit board are all packaged in a stainless steel casing.

In the sanitary rotameter mentioned above, the LCD liquid crystal screen is installed on the outer wall of the tapered pipe (1).

Compared with the prior art, the utility model has the following advantages:

The utility model corresponds the position of the float in the tapered tube to the magnetic displacement or electric signal to display the flow rate, greatly simplifies the mechanical structure of the flowmeter, thereby reducing the cost and improving the production efficiency.

The utility model can be used for process control in production and processing of biological engineering, pharmaceutical industry, dairy product industry, beer beverage industry and the like.

Description of drawings

Fig. 1 is the structural diagram of the embodiment of the utility model.

The main reference signs are explained as follows:

1-conical tube; 2-float; 3-guide; 4-upper baffle; 5-lower baffle; 6-annular gap; 7-fluid medium; 8-magnetic coupling system; 9-pointer; 10-indicator ;11-transition ring

detailed description

As shown in Figure 1, this embodiment includes a conical tube 1 and a float 2 arranged inside it, and an upper baffle 4 and a lower baffle for limiting the moving position of the float 2 are also provided on the inner wall of the conical tube 1 5. The float 2 is sheathed on the outside of the conduit 3 , and an annular gap 6 is formed between the outer wall of the float 2 and the inner wall of the tapered tube 1 .

On the corresponding positions of the upper baffle plate 4 and the lower baffle plate 5, openings are provided for the passage of the conduit 3 and are smaller than the diameters of the upper end and the lower end of the float.

The float 2 is composed of an N-class magnetic float at the upper end and an S-class lower end, and the diameter of the lower end is smaller than that of the upper end.

In addition, a fan-shaped transition ring 11 is provided between the upper end and the lower end.

A fluid medium 7 is injected into the conical tube 1 , and the magnetic float forms multiple float positions in the conical tube 1 under the action of the fluid medium 7 .

It also includes a flow value readout assembly arranged outside the conical tube 1 and corresponding to the position of the float.

Wherein, the flow value reading component includes a magnetic coupling system 6 and a flow value indicating component connected thereto. The flow value indicating component is composed of a pointer 9 connected with the magnetic coupling system 6 and an indicator 10 matched therewith.

Embodiment two

This embodiment includes a conical tube and a float arranged inside it. An upper baffle and a lower baffle are also provided on the inner wall of the conical tube to limit the moving position of the float. The float is sleeved on the outside of the conduit. An annular gap is formed between the outer wall surface and the inner wall surface of the tapered pipe.

On the corresponding positions of the upper baffle plate and the lower baffle plate, there are openings for the passage of the conduit and smaller than the diameters of the upper end portion and the lower end portion of the float.

The float is composed of a magnetic float with an upper end of N class and a lower end of S class, and the diameter of the lower end is smaller than that of the upper end.

In addition, a fan-shaped transition ring is also provided between the upper end and the lower end.

A fluid medium is injected into the conical tube, and the magnetic float forms multiple float positions in the conical tube under the action of the fluid medium.

It also includes a flow value readout assembly arranged on the outside of the conical tube and corresponding to the position of the float.

The flow value readout component includes a Hall sensor for detecting the position of the float, and an arithmetic circuit unit and an LCD liquid crystal screen sequentially connected to it, and the Hall sensor and the arithmetic circuit unit are solidified on the circuit board.

Among them, the Hall sensor, the arithmetic circuit unit and the circuit board are all packaged in a stainless steel casing. The LCD liquid crystal screen is installed on the outer wall of the tapered tube.

The above are only preferred embodiments of the present utility model, and are only illustrative rather than restrictive to the invention. Those skilled in the art understand that many changes, modifications, and even equivalents can be made within the spirit and scope defined by the claims of the invention, but all will fall within the protection scope of the present utility model.

Claims (6)

1. a hygiene-type suspended body flowmeter, comprise tapered tube (1), with the float (2) that is provided at its inner portion, the inwall of described tapered tube (1) is also provided with the overhead gage (4) for limiting described float (2) shift position and lower baffle plate (5), described float (2) is set in the outside of described conduit (3), it is characterized in that, described float (2) by upper end be N level, bottom is that the magnetic float of S level is formed, the diameter of described bottom is less than the diameter of described upper end;

In described tapered tube (1), be injected with fluid media (medium) (7), described magnetic float forms multiple float position under the effect of described fluid media (medium) (7) in described tapered tube (1);

Also comprise and be arranged on described tapered tube (1) outside and the flow value read assembly corresponding with described float position.

2. hygiene-type suspended body flowmeter according to claim 1, is characterized in that, described flow value read assembly comprises Electromagnetic Coupling System (6) and coupled flow value indication component.

3. hygiene-type suspended body flowmeter according to claim 2, it is characterized in that, described flow value indication component is made up of the pointer (9) be connected with described Electromagnetic Coupling System (6) and the indicator (10) matched with it.

4. hygiene-type suspended body flowmeter according to claim 1, it is characterized in that, described flow value read assembly comprises Hall element for detecting described float position and operation circuit unit coupled successively and LCD liquid crystal display, and described Hall element and described operation circuit unit are all solidify on circuit boards.

5. hygiene-type suspended body flowmeter according to claim 4, is characterized in that, described Hall element, described operation circuit unit and described circuit board are all be encapsulated in a stainless steel casing.

6. hygiene-type suspended body flowmeter according to claim 4, is characterized in that, described LCD liquid crystal display is arranged on the outer wall of described tapered tube (1).