CN211117871U

CN211117871U - Flow measurement control integration electric valve

Info

Publication number: CN211117871U
Application number: CN201921330221.XU
Authority: CN
Inventors: 吕亮
Original assignee: Wuhan Grat Control Valve Co ltd
Current assignee: Wuhan Grat Control Valve Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-07-28
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a flow measurement control integration electric valve, including electric actuator and valve body, electric actuator's lower extreme is fixed with the support, the shaft coupling is installed perpendicularly to the inboard of support, the bottom of shaft coupling extends to the outside of support, it is fixed to be connected through the mode of shaft coupling between valve body and the support, the external connection of valve body has electromagnetic flow meter subassembly, electromagnetic flow meter subassembly's inside includes insulation support to and the inside excitation coil of installing at insulation support symmetrically, excitation coil's both ends are provided with the electrode, electric actuator's internally mounted has processor module, the external connection of electrode has the inside lining, the inside lining is filled in insulation support's inside. The utility model discloses a set up electric actuator, shaft coupling, valve body, processor module and electromagnetic flow meter subassembly, solved the problem that electric valve does not possess the medium flow and detects the function.

Description

Flow measurement control integration electric valve

Technical Field

The utility model relates to an electric valve technical field specifically is a flow measurement control integration electric valve.

Background

The electric valve is to control the valve by an electric actuator, so as to realize the opening and closing of the valve. The electric actuator can be divided into an upper part and a lower part, wherein the upper part is the electric actuator, and the lower part is the valve. There are two main types, one is an angular travel electric valve, and the other is a straight travel electric valve. The existing electric valve mainly comprises a valve assembly and an electric actuator assembly, wherein the valve assembly usually comprises a valve body, a valve cover, a ball body, a valve rod and a sealing valve seat, and the sealing valve seat mainly plays a role in sealing two ends of the ball body and can play a basic use requirement, but still has some defects.

Through retrieval, patent publication No. CN203809818U relates to an electric valve, and this electric valve's closing mechanism is controlled opening and closing of valve under actuating mechanism's drive, actuating mechanism passes through control circuit and power supply end and connects, valve closing mechanism includes two stations of complete opening and complete sealing.

The electric valve in the prior art has the following defects:

1. the existing electric valves only control medium flow, but do not have a flow measuring function at the same time, if the real-time flow of the current medium is needed to be known, a flow measuring device needs to be independently installed, so that the waste of resources is caused, and meanwhile, data are dispersed, and the accuracy is not high;

2. need cooperate other devices to use when needing the flow measurement, not only occupation space, and can waste the cost, the result of use is not good.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a flow measurement control integration electric valve has solved the problem that electric valve does not possess medium flow detection function.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flow measurement control integration electric valve, includes electric actuator and valve body, electric actuator's lower extreme is fixed with the support, the shaft coupling is installed perpendicularly to the inboard of support, the bottom of shaft coupling extends to the outside of support, it is fixed to be connected through the mode of shaft coupling between valve body and the support, the external connection of valve body has electromagnetic flow meter subassembly, electromagnetic flow meter subassembly's inside includes insulation support to and the inside excitation coil of installing at insulation support symmetrically, excitation coil's both ends are provided with the electrode, electric actuator's internally mounted has processor module.

Preferably, the outer part of the electrode is connected with a lining, and the lining is filled in the insulating sleeve.

Preferably, a valve inner cavity penetrating through the valve body from left to right is formed in the valve body, and the radius of a cavity formed in the insulating sleeve is consistent with the radius of the valve inner cavity.

Preferably, insulating sleeve's upper portion is provided with wired connecting terminal, electromagnetic flowmeter subassembly is external to have the wire through wired connecting terminal, and the other end and the processor module electric connection of wire.

Preferably, the electric actuator is electrically connected with the processor module.

Preferably, the outer wall of the coupler is provided with a connecting piece, and the coupler is fixedly connected with the support and the valve body respectively in a connecting piece mode.

(III) advantageous effects

The utility model provides a flow measurement control integration electric valve possesses following beneficial effect:

(1) the utility model is provided with the electric actuator, the shaft coupling, the valve body, the processor module and the electromagnetic flowmeter assembly, the utility model has strong functionality, can control the flow of the medium, can detect the flow of the internal medium in unit time, has strong functionality, does not need to be matched with other detecting instruments for use when the flow detection is needed, can reduce data error and cost, and solves the problems of low detection precision and high cost caused by the fact that the electric valve does not have the flow detection function, the utility model is provided with the electromagnetic flowmeter assembly outside the valve body, the inner part of the electromagnetic flowmeter assembly comprises an insulating sleeve, an excitation coil, an electrode and an inner lining, when in work, firstly, the flow value is measured by utilizing the electromagnetic technology, the data acquisition of the flow is completed, and a pair of detecting electrodes is arranged on the pipe wall which is vertical to the axis of the measuring pipe and the magnetic force line according to the Faraday, when the conductive liquid moves along the axis of the measuring tube, the conductive liquid cuts magnetic lines of force to generate induced potential, the induced potential is detected by the two detection electrodes, and the value is in direct proportion to the flow rate, so that the flow rate of the medium in unit time is detected.

(2) The utility model discloses a set up and move executor, shaft coupling, valve body, processor module and electromagnetic flowmeter subassembly, the utility model discloses have flow detection's function, need not to cooperate other equipment to use when needing the flow of measuring medium, occupation in reducible equipment space has reduced operation and maintenance cost, improves and measures and control reliability.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an electromagnetic flowmeter assembly of the present invention;

fig. 3 is a schematic structural diagram of the middle excitation coil of the present invention.

The reference numbers in the figures are: 1. an electric actuator; 2. a support; 3. a coupling; 4. a connecting member; 5. an inner cavity of the valve; 6. a valve body; 7. a processor module; 8. a wire; 9. an electromagnetic flow meter assembly; 10. an insulating sleeve; 11. a wire connection terminal; 12. a field coil; 13. an electrode; 14. and (4) lining.

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.

As shown in fig. 1-3, the utility model provides a technical solution: a flow measurement control integrated electric valve comprises an electric actuator 1 and a valve body 6, wherein a support 2 is fixed at the lower end of the electric actuator 1, a coupler 3 is vertically arranged on the inner side of the support 2, the bottom of the coupler 3 extends to the outer side of the support 2, the valve body 6 and the support 2 are fixedly connected in a mode of the coupler 3, a connecting piece 4 is arranged on the outer wall of the coupler 3, the coupler 3 is fixedly connected with the support 2 and the valve body 6 respectively in a mode of the connecting piece 4, meanwhile, an electromagnetic flow meter assembly 9 is connected to the outer portion of the valve body 6, the electromagnetic flow meter assembly 9 comprises an insulating sleeve 10 and excitation coils 12 symmetrically arranged in the insulating sleeve 10, a valve inner cavity 5 penetrating through the valve body 6 from left to right is formed in the valve body 6, the radius of a cavity formed in the insulating sleeve 10 is consistent with the radius of the, the both ends of excitation coil 12 are provided with electrode 13, the external connection of electrode 13 has inside lining 14, inside lining 14 is filled in insulation support 10, the internally mounted of electric actuator 1 has processor module 7, the model of processor module 7 is FX-8350, insulation support 10's upper portion is provided with wired connecting terminal 11, electromagnetic flowmeter subassembly 9 is external to have wire 8 through line connecting terminal, and wire 8's the other end and processor module 7 electric connection, electric actuator 1 and processor module 7 electric connection.

The working principle is as follows: when the electric actuator is used, a medium flows through the inside of the insulating sleeve 10 and the valve inner cavity 5, when the medium flows in the insulating sleeve 10, the magnet exciting coil 12 generates magnetic flux, the medium flows to cut magnetic induction lines to move to generate induced current in a closed loop, the induced current generated by medium flows at different speeds is different, when the conductive liquid moves along the axis of the insulating sleeve 10, the conductive liquid cuts magnetic lines of force to generate induced potential, the induced potential is detected by the two detection electrodes 13, the value is in direct proportion to the flow speed, so that different medium flow information is calculated, then the signal is transmitted to the processor module 7 through the wire 8, the processor module 7 processes data, and feeds the data information back to a display screen outside the electric actuator 1 to be observed by a user.

The data calculation principle is as follows: e ═ B ═ V ═ D ═ K;

in the formula: e-induced potential;

k-coefficients related to magnetic field distribution and axial length;

b-magnetic induction intensity;

v-average flow rate of conductive liquid;

d-electrode spacing; the inside diameter of the tube was measured.

To sum up can, the utility model discloses a set up electric actuator 1, shaft coupling 3, valve body 6, processor module 7 and electromagnetic flowmeter subassembly 9, solved the problem that electric valve does not possess the medium flow and detects the function.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. A flow measurement control integration electric valve, includes electric actuator (1) and valve body (6), its characterized in that: the lower extreme of electric actuator (1) is fixed with support (2), shaft coupling (3) are installed perpendicularly to the inboard of support (2), the bottom of shaft coupling (3) extends to the outside of support (2), it is fixed to be connected through the mode of shaft coupling (3) between valve body (6) and support (2), the external connection of valve body (6) has electromagnetic flowmeter subassembly (9), the inside of electromagnetic flowmeter subassembly (9) includes insulating tube (10) to and the inside excitation coil (12) in insulating tube (10) are installed to the symmetry, the both ends of excitation coil (12) are provided with electrode (13), the internally mounted of electric actuator (1) has processor module (7).

2. A flow measurement and control integrated electrically operated valve according to claim 1, wherein: an inner liner (14) is connected to the outside of the electrode (13), and the inner liner (14) is filled in the insulating sleeve (10).

3. A flow measurement and control integrated electrically operated valve according to claim 1, wherein: the valve is characterized in that a valve inner cavity (5) which penetrates through the valve body (6) from left to right is formed in the valve body, and the radius of a cavity formed in the insulating sleeve (10) is consistent with the radius of the valve inner cavity (5).

4. A flow measurement and control integrated electrically operated valve according to claim 1, wherein: the upper portion of insulating sleeve (10) is provided with wired connecting terminal (11), electromagnetic flowmeter subassembly (9) are external through wired connecting terminal and have wire (8), and the other end and processor module (7) electric connection of wire (8).

5. A flow measurement and control integrated electrically operated valve according to claim 1, wherein: the electric actuator (1) is electrically connected with the processor module (7).

6. A flow measurement and control integrated electrically operated valve according to claim 1, wherein: the outer wall of the coupler (3) is provided with a connecting piece (4), and the coupler (3) is fixedly connected with the support (2) and the valve body (6) in a mode of the connecting piece (4) respectively.