CN215647934U - Electric valve and electric head assembly thereof - Google Patents

Abstract

The application discloses an electric valve and an electric head assembly thereof, which comprise a shell for accommodating the electric head and a refrigeration assembly communicated with the interior of the shell; the refrigeration assembly comprises a compressed air source, a filter and a cooler which are sequentially connected, and the cold air output end of the cooler is communicated with the inside of the shell. Compared with the prior art, the electric valve and the electric valve assembly thereof can reduce the failure rate of the electric valve, prolong the service life of the electric valve and reduce the maintenance cost.

Description

Electric valve and electric head assembly thereof

Technical Field

The present application relates to the field of electrically operated valves, and more particularly, to an electrically operated valve and an electrically operated head assembly thereof.

Background

The electric valve is generally connected with a valve through an electric head, and is called as an electric valve after installation and debugging, the electric valve uses electric energy as power to be communicated with the electric head to drive the valve, opening and closing and adjusting actions of the valve are achieved, and therefore the purpose of opening and closing or adjusting pipeline media is achieved. Because the electric head has high signal transmission speed, long transmission distance, high sensitivity and precision, convenient matching with an electric adjusting instrument, simple installation and wiring and wide application in production.

At the in-process of papermaking, often adopt the motorised valve to come dry moisture content before controlling, but the motorised head is at the in-process of work, on the one hand, because the operation of motorised head motor can produce a large amount of heat, if the regulation of motorised head is too frequent, easily causes the overheated problem of motor, and on the other hand, on-the-spot ambient temperature is high, especially in summer, leads to the easy swell of electric capacity on the inside control module circuit board of motorised head for the motorised head fault rate is very high, often needs to change the motorised head, and cost of maintenance is high.

There is a need for an electric valve and an electric valve assembly thereof, which can reduce the failure rate of the electric valve, prolong the service life of the electric valve and reduce the maintenance cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides an electric valve and an electric head assembly thereof, which can reduce the failure rate of the electric head, prolong the service life of the electric valve and reduce the maintenance cost.

The technical scheme provided by the application is as follows:

a power head assembly, comprising,

a housing for housing the power head;

a refrigeration assembly in communication with the interior of the housing;

wherein the refrigeration assembly comprises a refrigeration component and a refrigeration component,

compressed air source, filter and the cooler that connects gradually, the cold air output of cooler with the inside intercommunication of casing.

Preferably, the refrigeration assembly, further comprises,

a relief valve disposed between the compressed gas source and the filter.

Preferably, the method further comprises the step of,

and the first silencer is arranged on the shell and used for reducing the working noise of the electric head.

Preferably, the method further comprises the step of,

and a second muffler installed on the cooler for reducing an operating noise of the cooler.

Preferably, the method further comprises the step of,

the electromagnetic valve is connected with the cooler;

and the temperature control switch is arranged in the shell and is connected with the electromagnetic valve.

Preferably, the method further comprises the step of,

a pressure relief valve disposed between the filter and the cooler.

Preferably, the cooler is detachably connected with the shell.

Preferably, the cooler is a vortex tube cooler.

Preferably, the air outlet is arranged on the shell.

The electric valve and the electric head assembly thereof provided by the utility model are provided with the shell and the refrigeration assembly, wherein the shell is used for accommodating the electric head, and the refrigeration assembly is communicated with the inside of the shell and is used for cooling the working environment of the electric head. Therefore, compared with the prior art, the electric valve and the electric head assembly thereof provided by the utility model can reduce the failure rate of the electric head, prolong the service life of the electric valve and reduce the maintenance cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an electrically operated valve according to an embodiment of the present invention.

Reference numerals: 1. a housing; 2. compressing a gas source; 3. a filter; 4. a cooler; 5. a safety valve; 6. a first muffler; 7. a second muffler; 8. a temperature control switch; 9. a pressure reducing valve; 10. an exhaust hole; 11. an electromagnetic valve.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of a plurality of or a plurality of is two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

Embodiments of the present invention are written in a progressive manner.

Referring to fig. 1, an embodiment of the utility model provides a power head assembly, including a housing 1 for accommodating a power head and a cooling assembly communicated with an interior of the housing 1; refrigeration subassembly includes, compressed air source 2, filter 3 and the cooler 4 that connects gradually, and the cold air output of cooler 4 communicates with casing 1 is inside.

The problem that the motor is overheated is easily caused to the electric head in the process of work, especially in summer, the site temperature is high, and the electric capacity on the control module circuit board in the electric head breaks down easily, leads to the motorised valve often to break down, unable normal work, and the fault rate is high very much.

In the prior art, an electric fan is additionally arranged beside an electric valve, and due to the fact that the site temperature is high, the blown air is hot air, the cooling effect cannot be achieved, and the fault rate of the electric valve is not greatly influenced.

According to the electric valve and the electric head assembly thereof provided by the utility model, as the shell 1 and the refrigeration assembly are arranged, the shell 1 is used for accommodating the electric head, the refrigeration assembly is communicated with the inside of the shell 1 and is used for cooling the working environment of the electric head, the refrigeration assembly comprises the compressed air source 2, the filter 3 and the cooler 4 which are sequentially connected, the compressed air generated by the compressed air source 2 is filtered by the filter 3 and then enters the cooler 4 for cooling, and the cold air output end of the cooler 4 is communicated with the inside of the shell 1 to cool the working environment of the electric head.

Therefore, compared with the prior art, the electric valve and the electric head assembly thereof provided by the utility model can reduce the failure rate of the electric head, prolong the service life of the electric valve and reduce the maintenance cost.

In the above-described structure, the filter 3 in the embodiment of the present invention is a precision air filter in order to make the cleanliness of the compressed air high.

In the above structure, as a more preferable implementation manner, the electric head assembly in the embodiment of the present invention further includes a safety valve 5, where the safety valve 5 is disposed between the compressed air source 2 and the filter 3, and when the filter 3 fails and the cleanliness of the compressed air does not meet the usage requirement, the safety valve 5 is closed, so as to facilitate the maintenance of the filter 3.

In the above structure, in order to reduce the operation noise of the power head, as a more preferable embodiment, the power head assembly in the embodiment of the present invention further includes a first muffler 6, wherein the first muffler 6 is provided on the housing 1 for reducing the noise generated when the power head operates.

Further, in order to reduce the operating noise of the cooler 4 when cooling the compressed air, as a more preferable embodiment, the electric head assembly according to the embodiment of the present invention further includes a second muffler 7, wherein the second muffler 7 is disposed on the cooler 4 to reduce the noise generated when the cooler 4 operates, and thus the processing environment can be purified.

In the above structure, as a more preferable embodiment, the electric head assembly in the embodiment of the present invention further includes an electromagnetic valve 11 and a temperature control switch 8, wherein the electromagnetic valve 11 is connected to the cooler 4 and is used for controlling on and off of the cooler 4, the temperature control switch 8 is disposed in the housing and is connected to the electromagnetic valve 11, when the temperature control switch 8 detects that the temperature in the housing 1 is higher than a set operating temperature, the electromagnetic valve 11 controls the cooler 4 to be on, the cooler 4 starts to operate, and the cooled gas is input into the housing 1 to cool the operating environment of the electric head. When the temperature control switch 8 detects that the temperature in the shell 1 is lower than the set working temperature, the electromagnetic valve 11 controls the cooler 4 to be disconnected, the cooler 4 stops working, and waste of cold energy caused by the fact that the cooler 4 works all the time is avoided.

In the above structure, as an alternative implementation manner, the electric head assembly in the embodiment of the utility model further comprises a pressure reducing valve 9 arranged between the coolers 4 of the filter 3, and when the pressure fluctuation of the compressed air at the input end of the filter 3 occurs, the output pressure is adjusted by arranging the pressure reducing valve 9, so that the pressure at the air inlet end of the cooler 4 is smooth.

Furthermore, the filter 3 in the embodiment of the present invention is preferably a filter pressure reducing valve, and compared with a conventional filter, when pressure fluctuation occurs in compressed air at an input end of the filter pressure reducing valve, a pressure reducing valve membrane of the filter pressure reducing valve can be automatically adjusted, so that the pressure at an output end is stably output, the filter element and the pressure reducing element can be independently repaired in the maintenance process, the integral replacement is not required, and the cost is greatly saved.

Furthermore, the cooler 4 and the housing 1 in the embodiment of the present invention are fixedly connected, and preferably, the cooler 4 and the housing 1 in the embodiment of the present invention are detachably connected, so that when the cooler 4 or the power head has a fault and needs to be replaced, the cooling assembly is removed from the housing 1 for replacement, which is more convenient.

Furthermore, the cooler 4 in the embodiment of the present invention may be an existing vortex tube cooler, and the compressed air is cooled by the vortex tube cooler.

Furthermore, the electric head assembly in the embodiment of the present invention further includes an air outlet 10, and the air outlet 10 is disposed on the housing 1 to prevent excessive air pressure inside the housing 1. In the above structure, the first muffler 6 in the embodiment of the present invention may be selectively installed on the exhaust port 10.

In the above configuration, as a more preferable embodiment, the exhaust port 10 in the embodiment of the present invention is a one-way exhaust port, air can be exhausted only from the inside of the casing 1, and hot air outside the casing 1 cannot enter the inside of the casing 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A power head assembly, comprising,

a housing (1) for housing a power head;

a refrigeration assembly communicating with the interior of the housing (1);

wherein the refrigeration assembly comprises a refrigeration component and a refrigeration component,

compressed air source (2), filter (3) and cooler (4) that connect gradually, the cold air output of cooler (4) with casing (1) inside intercommunication.

2. The power head assembly of claim 1,

the refrigeration component also comprises a refrigeration component and a refrigeration component,

a safety valve (5) disposed between the compressed gas source (2) and the filter (3).

3. The power head assembly of claim 2,

also comprises the following steps of (1) preparing,

and the first silencer (6) is arranged on the shell (1) and is used for reducing the working noise of the electric head.

4. The power head assembly of claim 3,

also comprises the following steps of (1) preparing,

a second muffler (7) mounted on the cooler (4) for reducing the operating noise of the cooler (4).

5. The power head assembly of claim 4,

also comprises the following steps of (1) preparing,

an electromagnetic valve (11) connected to the cooler (4);

and the temperature control switch (8) is arranged in the shell (1) and is connected with the electromagnetic valve (11).

6. The power head assembly of any of claims 1-5,

also comprises the following steps of (1) preparing,

a pressure relief valve (9) disposed between the filter (3) and the cooler (4).

7. The power head assembly of any of claims 1-5,

the cooler (4) is detachably connected with the shell (1).

8. The power head assembly of any of claims 1-5,

the cooler (4) is a vortex tube cooler.

9. The power head assembly of any of claims 1-5,

also comprises an exhaust port (10) arranged on the shell (1).

10. An electric valve is characterized by comprising,

a valve body and a power head assembly as claimed in any one of claims 1 to 9 connected to the valve body.

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