CN214367838U

CN214367838U - Constant-temperature anti-freezing electric regulating valve

Info

Publication number: CN214367838U
Application number: CN202120474371.9U
Authority: CN
Inventors: 杨成鑫; 赵荣娟
Original assignee: Hangzhou Fuyang Lianggong Instrument Co ltd
Current assignee: Hangzhou Fuyang Lianggong Instrument Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-10-08
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses an electrical control valve of formula of preventing frostbite with constant temperature, including the valve body, the one end of valve body is equipped with the support, and the valve switch body fixes on the support, the inside of support is equipped with the valve rod, and the valve rod runs through the inside at the lubricating ring, the inside of valve body is equipped with the constant temperature heating lantern ring body, and the inside of constant temperature heating lantern ring body is equipped with lantern ring casing, electrical heating wire layer, heat-conducting layer and mounting hole in proper order, lantern ring casing, electrical heating wire layer, heat-conducting layer and mounting hole are laminated from outside to inside in proper order, the bilateral symmetry of constant temperature heating lantern ring body is equipped with PLC controller and temperature-sensing ware. This formula of preventing frostbite's constant temperature electrical control valve is provided with PLC controller and temperature-sensing ware and can sets for the inside of valve body for a rated value, and through the temperature-sensing ware response, the heating on electrical heating silk layer is controlled to the PLC controller, and then realizes the thermostatic control to the valve body.

Description

Constant-temperature anti-freezing electric regulating valve

Technical Field

The utility model relates to an electrical control valve technical field specifically is an electrical control valve of formula of preventing frostbite with constant temperature.

Background

The electric regulating valve is an important execution unit instrument in industrial automation process control, is increasingly applied to various industrial production fields along with the increasingly high automation degree of the industrial field, and has obvious advantages compared with the traditional pneumatic regulating valve: the electric regulating valve is energy-saving (only consumes electric energy when in work), environment-friendly (no carbon emission), fast and convenient to install (no complex pneumatic pipeline and air pump work station are needed), and the valve is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to the power used by an actuating mechanism matched with the valve.

Current electrical control valve exists the valve body and uses usually in external environment, when valve body conveying low temperature medium or external environment is colder winter, cause the valve body to freeze easily, influence the use, and cause the damage easily, the valve rod part that has electrical control valve simultaneously exposes externally, receive external environment influence, the valve rod causes the corrosion easily or uses not nimble enough, need add lubricating oil medium, and the not enough even problem of addition of lubricating oil usually, to above-mentioned condition, carry out technical innovation on current electrical control valve basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric control valve of formula of preventing frostbite with constant temperature, there is the valve body to use in external environment usually in order to solve the electric control valve who provides current among the above-mentioned background art, when valve body conveying low temperature medium or winter external environment are colder, cause the valve body to freeze easily, the influence is used, and cause the damage easily, the valve rod part that has electric control valve simultaneously exposes externally, receive external environment to influence, the valve rod causes the corrosion easily or uses not nimble enough, need add lubricating oil medium, and the not enough even problem of interpolation of lubricating oil usually.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electrical control valve of formula of preventing frostbite with constant temperature, includes the valve body, the one end of valve body is equipped with the support, and the valve switch body is fixed on the support, the inside of support is equipped with the valve rod, and the valve rod runs through the inside at the lubricating oil ring, the fixed surface of lubricating oil ring has the cotton layer of oil absorption, and one side of lubricating oil ring is equipped with presses the seat, the inside of valve body is equipped with the constant temperature heating lantern ring body, and the inside of constant temperature heating lantern ring body is equipped with lantern ring casing, electrical heating wire layer, heat-conducting layer and mounting hole in proper order, lantern ring casing, electrical heating wire layer, heat-conducting layer and mounting hole are laminated from outside to inside in proper order, the bilateral symmetry of constant temperature heating lantern ring body is equipped with PLC controller connector and temperature-sensing ware, the bilateral symmetry of valve body is equipped with sealed connector.

Preferably, the lubricating oil ring and the oil absorption cotton layer are mutually attached, and the lubricating oil ring is in threaded connection with the pressing seat.

Preferably, be swing joint between constant temperature heating lantern ring body and the valve rod, and be threaded connection between constant temperature heating lantern ring body and the valve body.

Preferably, the electric heating wire layer is uniformly distributed along the surface of the heat conduction layer, and the lantern ring shell wraps the outer surface of the electric heating wire layer.

Preferably, be threaded connection between PLC controller and temperature-sensing ware and the constant temperature heating lantern ring body, and the PLC controller passes through and is electric connection between wire and the temperature-sensing ware.

Preferably, the sealing connecting port is tightly attached to the valve body, and the sealing connecting port is welded with the valve body.

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

1. a lubricating oil ring is arranged to be in contact with the valve rod through an oil absorption cotton layer, a lubricating agent is added into an inner cavity of the lubricating oil ring, the oil absorption cotton layer can absorb the lubricating agent to a certain extent, the valve rod is rubbed with the oil absorption cotton layer in the process of moving up and down, and the lubricating oil can be smeared on the valve rod;

2. the valve body is sleeved with the constant-temperature heating lantern ring body, and the constant-temperature heating lantern ring body is arranged inside the valve body, so that the influence of the external environment on the constant-temperature heating lantern ring body can be reduced, the constant-temperature heating lantern ring body can better heat and prevent freezing of the valve body, the electric heating wire layer is arranged to perform power-on heating, heat is transferred to the valve rod and the inner cavity of the valve body through the heat conduction layer, and the phenomenon that the inner cavity of the valve body is frozen in a cold environment to influence use can be prevented;

3. be provided with PLC controller and temperature-sensing ware and can set for the inside of valve body for a rated value, through the temperature-sensing ware response, the heating of PLC controller control to electric heating wire layer, and then realize the thermostatic control to the valve body, when being provided with sealed connector and making valve body and external world be connected, sealed effect is better, reduces the phenomenon of drippage.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic view of the structure of the lubricating ring according to the present invention;

FIG. 3 is a schematic view of the interior of the constant temperature heating collar body according to the present invention;

fig. 4 is a flow chart of the present invention.

In the figure: 1. a valve body; 2. a support; 3. a valve stem; 4. a lubricating oil ring; 5. a valve switch body; 6. sealing the connecting port; 7. heating the lantern ring body at constant temperature; 8. a PLC controller; 9. a temperature sensor; 10. pressing a base; 11. an oil absorbent cotton layer; 12. a collar housing; 13. electrically heating the filament layer; 14. a heat conductive layer; 15. and (7) installing holes.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an electric control valve of frostproofing formula of constant temperature, including valve body 1, the one end of valve body 1 is equipped with support 2, and valve switch body 5 fixes on support 2, the inside of support 2 is equipped with valve rod 3, and valve rod 3 runs through the inside at lubricating oil ring 4, lubricating oil ring 4's fixed surface has oil absorption cotton layer 11, and one side of lubricating oil ring 4 is equipped with presses seat 10, valve body 1's inside is equipped with constant temperature heating lantern ring body 7, and the inside of constant temperature heating lantern ring body 7 is equipped with lantern ring casing 12 in proper order, electrical heating wire layer 13, heat-conducting layer 14 and mounting hole 15, lantern ring casing 12, electrical heating wire layer 13, heat-conducting layer 14 and mounting hole 15 laminate in proper order from outside to inside, the bilateral symmetry of constant temperature heating lantern ring body 7 is equipped with PLC controller 8 and temperature-sensing ware 9, the bilateral symmetry of valve body 1 is equipped with sealed connector 6.

The utility model discloses in: the lubricating oil ring 4 and the oil absorption cotton layer 11 are mutually attached, and the lubricating oil ring 4 is in threaded connection with the press seat 10; be provided with lubricating oil ring 4 and pass through the cotton layer 11 of oil absorption and the contact of valve rod 3, the inner chamber of lubricating oil ring 4 adds has emollient, and the cotton layer 11 of oil absorption can carry out certain absorption to emollient, and valve rod 3 rubs with the cotton layer 11 of oil absorption at the in-process that reciprocates, can realize scribbling lubricating oil to valve rod 3.

The utility model discloses in: the constant temperature heating lantern ring body 7 is movably connected with the valve rod 3, and the constant temperature heating lantern ring body 7 is in threaded connection with the valve body 1; be provided with the constant temperature heating lantern ring body 7 cover and establish the surface at valve body 1, and establish the inside at valve body 1, and then can reduce external environment to the influence of constant temperature heating lantern ring body 7, make constant temperature heating lantern ring body 7 can be better heat valve body 1 and prevent frostbite.

The utility model discloses in: the electric heating wire layers 13 are uniformly distributed along the surface of the heat conduction layer 14, and the lantern ring shell 12 wraps the outer surfaces of the electric heating wire layers 13; be provided with electrical heating wire layer 13 and can carry out ohmic heating, and then give valve rod 3 and valve body 1's inner chamber with heat transfer through heat-conducting layer 14, can prevent to freeze in the colder environment in the valve body 1 inner chamber, influence the use.

The utility model discloses in: the PLC controller 8, the temperature sensor 9 and the constant-temperature heating lantern ring body 7 are in threaded connection, and the PLC controller 8 is electrically connected with the temperature sensor 9 through a lead; be provided with PLC controller 8 and temperature-sensing ware 9 and can set for a rated value with the inside of valve body 1, through the response of temperature-sensing ware 9, PLC controller 8 control is to the heating of electrical heating wire layer 13, and then realizes the thermostatic control to valve body 1.

The utility model discloses in: the sealing connecting port 6 is tightly attached to the valve body 1, and the sealing connecting port 6 is welded with the valve body 1; be provided with sealed connector 6 and make valve body 1 and external world be connected, sealed effect is better, reduces the phenomenon of drippage.

The working principle of the constant-temperature anti-freezing electric regulating valve is as follows: firstly, the valve body 1 is hermetically connected with an external device through the sealing connecting ports 6 at two sides, the valve rod 3 in the bracket 2 is controlled to move through the valve switch body 5, the valve rod 3 is contacted with the oil absorption cotton layer 11 in the lubricating oil ring 4 in the moving process, the oil absorption cotton layer 11 can absorb the lubricating oil in the lubricating oil ring 4 and is coated on the surface of the valve rod 3 to prevent the valve rod 3 from rusting, the lubricating oil ring 4 is arranged on the surface of the pressure seat 10, secondly, the temperature sensor 9 (model: HYDZ-HT 818) in the valve body 1 detects the temperature of the valve body 1, the detected temperature signal is transmitted to the PLC 8 through a lead, the PLC 8 is analyzed and processed, when the temperature reaches the freezing value of the valve body 1, the valve switch body 5 is controlled to electrify and heat the electric heating wire layer 13 in the constant temperature heating lantern ring body 7, constant temperature heating lantern ring body 7 has certain insulating nature, and then guarantee the security of electrical heating wire layer 13 when using, valve switch body 5 passes through the wire and is connected with electrical heating wire layer 13, the heat after the heating passes through heat-conducting layer 14 and transmits for the inside valve rod 3 of mounting hole 15, the temperature when making the temperature of valve rod 3 reach anti-freezing, when the temperature reaches the setting value, PLC controller 8 makes control valve switch body 5 stop to heat electrical heating wire layer 13, and then the temperature of valve rod 3 in the messenger valve body 1 can keep the constant temperature, lantern ring casing 12 parcel is at the surface of electrical heating wire layer 13.

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. The utility model provides an electrical control valve of frostproofing formula of constant temperature, includes valve body (1), its characterized in that: one end of the valve body (1) is provided with a support (2), a valve switch body (5) is fixed on the support (2), a valve rod (3) is arranged inside the support (2), the valve rod (3) penetrates through the inside of the lubricating oil ring (4), an oil absorption cotton layer (11) is fixed on the surface of the lubricating oil ring (4), a pressing seat (10) is arranged on one side of the lubricating oil ring (4), a constant-temperature heating lantern ring body (7) is arranged inside the valve body (1), a lantern ring shell (12), an electric heating wire layer (13), a heat conducting layer (14) and a mounting hole (15) are sequentially arranged inside the constant-temperature heating lantern ring body (7), the lantern ring shell (12), the electric heating wire layer (13), the heat conducting layer (14) and the mounting hole (15) are sequentially attached from outside to inside, a PLC (8) and a temperature inductor (9) are symmetrically arranged on two sides of the constant-temperature heating lantern ring body (7), and sealing connecting ports (6) are symmetrically arranged on two sides of the valve body (1).

2. A thermostatic antifreeze electrically variable valve as set forth in claim 1 wherein: the lubricating oil ring (4) and the oil absorption cotton layer (11) are mutually attached, and the lubricating oil ring (4) is in threaded connection with the pressing seat (10).

3. A thermostatic antifreeze electrically variable valve as set forth in claim 1 wherein: the constant-temperature heating lantern ring body (7) is movably connected with the valve rod (3), and the constant-temperature heating lantern ring body (7) is in threaded connection with the valve body (1).

4. A thermostatic antifreeze electrically variable valve as set forth in claim 1 wherein: the electric heating wire layer (13) is uniformly distributed along the surface of the heat conduction layer (14), and the lantern ring shell (12) wraps the outer surface of the electric heating wire layer (13).

5. A thermostatic antifreeze electrically variable valve as set forth in claim 1 wherein: and the PLC controller (8), the temperature sensor (9) and the constant-temperature heating lantern ring body (7) are in threaded connection, and the PLC controller (8) is electrically connected with the temperature sensor (9) through a lead.

6. A thermostatic antifreeze electrically variable valve as set forth in claim 1 wherein: the sealing connecting port (6) is tightly attached to the valve body (1), and the sealing connecting port (6) is welded with the valve body (1).