CN114413528A

CN114413528A - Air bag valve vacuum working condition execution device

Info

Publication number: CN114413528A
Application number: CN202111470653.2A
Authority: CN
Inventors: 周道选; 刘军; 张文凯
Original assignee: Panzhihua Gangcheng Group Ruitong Refrigeration Equipment Co ltd
Current assignee: Panzhihua Gangcheng Group Ruitong Refrigeration Equipment Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-29

Abstract

The invention discloses an air bag valve vacuum working condition execution device which comprises a compressor, a condenser, a solution collector and a fin component which are sequentially connected through a pipeline, wherein the tail end of the pipeline is communicated to the initial end of the pipeline in a backflow mode, and a closed loop is formed by the pipeline, a pipe sleeve of the air bag valve and a cavity between the pipeline and a valve body; an outlet electromagnetic valve is arranged on a pipeline between the compressor and the air bag valve, and an inlet electromagnetic valve is arranged between the fin assembly and the air bag valve; the air bag valve actuating device is reliable in structure and good in use performance, rapid and reliable execution operation of the air bag valve under a vacuum working condition is effectively achieved through the actuating device, meanwhile, the problems of air tightness such as blockage and untight closing cannot be caused in the execution operation process, and the working technical requirements of the air bag valve can be greatly met.

Description

Air bag valve vacuum working condition execution device

Technical Field

The invention relates to the technical field of valve body control, in particular to an air bag valve vacuum working condition executing device.

Background

The air bag valve is a valve with excellent wear resistance and corrosion resistance, and is a good substitute for traditional ball valves, butterfly valves, diaphragm valves and the like. Under the vacuum working condition, after the inside of a cavity between the pipe sleeve and the valve body exhausts, the material side of the pipe sleeve is adhered under the influence of negative pressure, the air bag valve cannot be opened and closed smoothly, the material conveying and control are influenced, and the process operation is influenced in severe cases. However, the traditional pneumatic butterfly valve, pneumatic ball valve and pneumatic gate valve are influenced by material particles, and are easy to block and scrape to cause untight closing of the valve body, thereby influencing the air tightness of the system. Therefore, under the vacuum working condition, an actuating mechanism which is matched with an air bag valve and can be opened and closed forcibly, quickly and reliably and is simple to operate is urgently needed.

Disclosure of Invention

In order to solve the technical problem, the invention provides an air bag valve vacuum working condition executing device.

The technical scheme for solving the technical problems is as follows: a vacuum working condition execution device for an air bag valve comprises a compressor, a condenser, a solution collector and a fin assembly which are sequentially connected through a pipeline, wherein the tail end of the pipeline is communicated to the initial end of the pipeline in a backflow mode, and a closed loop is formed by the pipeline, a pipe sleeve of the air bag valve and a cavity between the pipeline and a valve body;

an outlet electromagnetic valve is arranged on a pipeline between the compressor and the air bag valve, and an inlet electromagnetic valve is arranged between the fin component and the air bag valve.

Further, the condenser is including having the condensation casing of import and export and setting at the inside spiral condenser pipe of condensation casing, and spiral condenser pipe distributes along the condensation casing spiral from top to bottom, and the entrance point of spiral condenser pipe and the import intercommunication of condensation casing, the exit end of spiral condenser pipe and the export intercommunication of condensation casing.

Further, the solution collector is including collecting the casing and setting up at the inside refrigeration layer of collecting the casing, collects the import of casing and the export intercommunication of condensation casing, and the export of collecting the casing passes through the pipe connection with the fin subassembly.

Further, the fin assembly comprises a flow tube and a plurality of fins arranged on the flow tube, gaps are formed between every two adjacent fins, the inlet end of the flow tube is connected to the solution collector, and the outlet end of the flow tube is communicated with the pipeline in a backflow mode.

Further, the fins comprise arched bodies and extension pieces respectively arranged at two ends of each arched body, heat dissipation gaps are formed between the arched bodies of the adjacent fins, and the heat dissipation gaps are of curved flow guide structures along the directions of the extension pieces.

Furthermore, the outlet electromagnetic valve and the inlet electromagnetic valve are in communication connection with the controller, and the outlet electromagnetic valve and the inlet electromagnetic valve are controlled to be opened and closed through the controller respectively.

Further, the refrigerant layer of the solution collector is located at the lower portion of the collecting housing.

Further, a viewing window is arranged on the condensation shell.

The invention has the following beneficial effects: the air bag valve vacuum working condition execution device provided by the invention is reliable in structure and good in service performance, the air bag valve is quickly and reliably operated under the vacuum working condition effectively, meanwhile, the air tightness problems of blockage, untight closing and the like cannot be caused in the operation execution process, and the working technical requirements of the air bag valve can be greatly met.

Drawings

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

fig. 2 is an enlarged schematic view of a structure in fig. 1.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1, the air bag valve vacuum working condition execution device comprises a compressor 2, a condenser 3, a solution collector 4 and a fin assembly 5 which are sequentially connected through a pipeline 1, wherein the tail end of the pipeline 1 is communicated with the initial end of the pipeline 1 in a backflow mode, and a closed loop is formed by the pipeline 1 and a cavity 11 between a pipe sleeve 7 and a valve body 8 of an air bag valve 6. An outlet electromagnetic valve 9 is arranged on the pipeline 1 between the compressor 2 and the air bag valve 6, and an inlet electromagnetic valve 10 is arranged between the fin assembly 5 and the air bag valve 6.

The direction of the arrows in the figure is the direction of flow of the gaseous coolant. When the air bag valve 61 is closed, the inlet solenoid valve 10 is opened and the outlet solenoid valve 9 is closed in the actuator. The liquid refrigeration layer 41 in the solution collector 4 spontaneously vaporizes, exchanges heat with air near the fins 51 through a pipeline, flows to the inlet electromagnetic valve 10, and enters the cavity 11 between the pipe sleeve 7 and the valve body 8 through the control fluid inlet. The pressure of the cavity 11 rises rapidly, the pipe sleeve 711 is deformed and intercepted under the pressure of the refrigerant, and the air bag valve 6 is closed.

When the air bag valve 6 is opened, an inlet electromagnetic valve 10 in the execution device is closed, and an outlet electromagnetic valve 9 in the execution device is opened. The compressor 2 and the condenser 3 are operated, and the gaseous refrigerant in the cavity 11 is forced to flow to the compressor 2 and the condenser 3 to become liquid refrigerant and is collected in the solution collector 4. The gaseous refrigerant in the cavity 11 is pumped by the compressor 2, the pressure is rapidly and continuously reduced, the axial pressure and the radial pressure of the pipe sleeve 7 are forced to be balanced, and the air bag valve 6 is opened.

In order to improve the refrigeration effect of the refrigerant, in the present invention, the condenser 3 includes a condensation shell 30 having an inlet and an outlet, and a spiral condensation pipe 31 disposed inside the condensation shell 30, and the spiral condensation pipe 31 is spirally distributed along the condensation shell 30 from top to bottom, the inlet end of the spiral condensation pipe 31 is communicated with the inlet of the condensation shell 30, and the outlet end of the spiral condensation pipe 31 is communicated with the outlet of the condensation shell 30. The acting time of the gas refrigerant is prolonged through the spiral condensation pipe 31, so that the effect of processing the gas refrigerant into the liquid refrigerant is further improved, the refrigeration effect is improved, and no bedding is provided by the work of the solution collector 4. A viewing window is provided in the condensation housing 30.

The solution collector 4 comprises a collecting shell 40 and a refrigerating layer 41 arranged inside the collecting shell 40, wherein the inlet of the collecting shell 40 is communicated with the outlet of the condensing shell 30, and the outlet of the collecting shell 40 is connected with the fin assembly 5 through a pipeline. The refrigeration layer 41 is filled with a refrigerant, after the liquid refrigerant is filled into the collection shell 40 of the solution collector 4, the refrigerant in the collection shell 40 is continuously cooled to keep low temperature, so that the pressure in the cavity 11 in the airbag valve 6 can be quickly and continuously reduced, the axial pressure and the radial pressure of the pipe sleeve 7 are forcibly balanced, and the airbag valve 6 is opened. The refrigerant layer 41 of the solution collector 4 is located at the lower portion of the collecting housing 40.

As shown in fig. 2, the fin assembly 5 includes a flow tube 50 and a plurality of fins 51 arranged on the flow tube 50, gaps are formed between adjacent fins 51, the inlet end of the flow tube 50 is connected to the solution collector 4, and the outlet end of the flow tube 50 is in backflow communication with the pipeline 1. The liquid refrigeration layer 41 is spontaneously vaporized by the fins 51, exchanges heat with air near the fins 51 through a pipeline, flows to the inlet electromagnetic valve 10, and enters the cavity 11 between the pipe sleeve 7 and the valve body 8 through the control fluid inlet. The pressure of the cavity 11 rises rapidly, the pipe sleeve 7 deforms and shuts off under the pressure of the refrigerant, and the air bag valve 6 is closed. The fins 51 comprise arched bodies 510 and extending pieces 511 respectively arranged at two ends of the arched bodies 510, heat dissipation gaps 512 are formed between the arched bodies 510 of adjacent fins 51, and the heat dissipation gaps 512 are in a curved flow guide structure along the direction of the extending pieces 511. Through the arch structure, the heat exchange effect is filled in the heat dissipation gap 512, the heat exchange efficiency is improved, and the rapid closing of the air bag valve 6 is further ensured.

The outlet electromagnetic valve 9 and the inlet electromagnetic valve 10 are both in communication connection with the controller, and the controller respectively controls the opening and closing of the outlet electromagnetic valve 9 and the inlet electromagnetic valve 10. The controller adopts the model to be STM32 singlechip or chip, through the intelligent control of controller to import solenoid valve 10 and outlet solenoid valve 9, improves the convenience of using.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The air bag valve vacuum working condition execution device is characterized by comprising a compressor (2), a condenser (3), a solution collector (4) and a fin assembly (5) which are sequentially connected through a pipeline (1), wherein the tail end of the pipeline (1) is communicated to the initial end of the pipeline (1) in a backflow mode, and a closed loop is formed by the pipeline (1) and a cavity (11) between a pipe sleeve (7) and a valve body (8) of an air bag valve (6);

be provided with outlet solenoid valve (9) on pipeline (1) between compressor (2) and gasbag valve (6), fin subassembly (5) with be provided with between gasbag valve (6) import solenoid valve (10).

2. The air bag valve vacuum condition executing device according to claim 1, wherein the condenser (3) comprises a condensation shell (30) with an inlet and an outlet and a spiral condensation pipe (31) arranged inside the condensation shell (30), the spiral condensation pipe (31) is spirally distributed along the condensation shell (30) from top to bottom, the inlet end of the spiral condensation pipe (31) is communicated with the inlet of the condensation shell (30), and the outlet end of the spiral condensation pipe (31) is communicated with the outlet of the condensation shell (30).

3. An air bag valve vacuum condition actuating device according to claim 2, characterized in that the solution collector (4) comprises a collecting shell (40) and a refrigerating layer (41) arranged inside the collecting shell (40), the inlet of the collecting shell (40) is communicated with the outlet of the condensing shell (30), and the outlet of the collecting shell (40) is connected with the fin assembly (5) through a pipeline.

4. The air bag valve vacuum condition actuating device according to claim 1, wherein the fin assembly (5) comprises a flow tube (50) and a plurality of fins (51) arranged on the flow tube (50), gaps are formed between adjacent fins (51), the inlet end of the flow tube (50) is connected to the solution collector (4), and the outlet end of the flow tube (50) is communicated with a pipeline (1) in a backflow mode.

5. The air bag valve vacuum condition actuating device according to claim 4, wherein the fins (51) comprise an arched body (510) and extension pieces (511) respectively arranged at two ends of the arched body (510), a heat dissipation gap (512) is formed between the arched bodies (510) of the adjacent fins (51), and the heat dissipation gap (512) is of a curved flow guide structure along the direction of the extension pieces (511).

6. An air bag valve vacuum working condition execution device according to any one of claims 1 to 5, characterized in that the outlet electromagnetic valve (9) and the inlet electromagnetic valve (10) are both in communication connection with a controller, and the opening and closing of the outlet electromagnetic valve (9) and the inlet electromagnetic valve (10) are respectively controlled by the controller.

7. A balloon valve vacuum condition actuator according to claim 3, characterized in that the refrigerant layer (41) of the solution collector (4) is located in the lower part of the collection housing (40).

8. An air bag valve vacuum condition actuator as claimed in claim 2, characterized in that the condensation housing (30) is provided with a viewing window.