CN214466485U

CN214466485U - Control system with sweep structure valve

Info

Publication number: CN214466485U
Application number: CN202023039223.9U
Authority: CN
Inventors: 何明洪; 丁金伟; 洪凯伦; 陈国华
Original assignee: Zhejiang Yaguang Technology Co ltd
Current assignee: Zhejiang Yaguang Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-10-22
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a control system with sweep structure valve, including the valve, including first air supply line, the inflation channel intercommunication of first air supply line and valve, be equipped with the first control valve of its break-make of control on the first air supply line, the position that lies in between the inflation channel of first control valve and valve on the first air supply line is equipped with pressure sensor, the last electricity of pressure sensor is connected with the controller, the controller is connected and controls it with first control valve electricity and opens and close. The utility model has the advantages of it is following and effect: the utility model discloses whether can audio-visual observation the sealing washer take place the wearing and tearing that the damage and reduction case caused the sealing washer opening and close the in-process to avoid the potential safety hazard that equipment exists, guarantee its life and safe in utilization.

Description

Control system with sweep structure valve

Technical Field

The utility model relates to a dry or mixing apparatus technical field of single awl, in particular to control system with sweep structure valve.

Background

In the pharmaceutical industry, some materials need to be dried or mixed, so that the moisture content or uniformity of the materials meets the process requirements, and the operation process is totally closed, thereby avoiding the pollution of foreign matters or microorganisms.

The tank body of the drying equipment is often provided with a valve for discharging materials, for example, the applicant previously applied a chinese patent with publication number CN111457124A and discloses a valve with a purging structure, which comprises a valve body, a valve core and a valve core driving device, wherein a flow channel is arranged in the valve body, the flow channel is provided with a communicating end communicated with the tank body of the drying equipment and a cutting port hermetically matched with the valve core, the valve core driving device drives the valve core to be close to or far away from the cutting port to form cutting and communication of the flow channel, the flow channel is located in a region between the communicating end and the cutting port to serve as a communicating region, the flow channel is located in the communicating region and is provided with a plurality of purging ports, the valve body is provided with purging channels extending from the flow channel to the outer side of the valve body corresponding to the purging ports, and the purging channels are located on the outer side of the valve body and are communicated with a gas source.

The sealing ring of the valve with the purging structure is provided with an inflation cavity, and high-pressure gas is introduced into the inflation cavity to expand the sealing ring to be matched with the valve core to form sealing. Because the sealing ring is aged in the process of long-term use, when the sealing ring in the valve body is damaged, the position of the sealing ring is difficult to observe, and if the gas in the damaged sealing ring is always inflated to the inner cavity of the valve body, the potential safety hazard of equipment and the material pollution risk can be caused; in addition, in order to eliminate the abrasion of the valve core to the sealing ring in the opening and closing process, the safety interlocking control of the valve core and the inflatable sealing ring is required.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a control system with sweep structure valve, this control system with sweep structure valve can audio-visual observation the sealing washer whether take place the damage and reduce the case and open and close the wearing and tearing that the in-process caused the sealing washer to avoid the potential safety hazard that equipment exists, guarantee its life and safe in utilization.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a control system with sweep structure valve, includes the valve, includes first air supply line, the inflation passageway intercommunication of first air supply line and valve, be equipped with the first control valve of its break-make of control on the first air supply line, the position that lies in between the inflation passageway of first control valve and valve on the first air supply line is equipped with pressure sensor, the last electricity of pressure sensor is connected with the controller, the controller is connected and controls its opening and closing with first control valve electricity.

Through adopting above-mentioned technical scheme, the air supply is through the inflation channel air feed of first air supply line for the valve, when the sealing washer of valve takes place the damage at the in-process that uses, inflation channel internal pressure is less than set pressure and when maintaining a certain time, pressure sensor passes through the first control valve of controller control and closes and send alarm signal for cut off first air supply line, make gas can not aerify to the inner chamber of valve body, thereby avoid the potential safety hazard that equipment exists, guarantee its life and safe in utilization.

Further setting the following steps: and a first pressure reducing valve and a first pressure gauge are arranged on the first air supply pipeline between the air inlet end and the first control valve.

Through adopting above-mentioned technical scheme, the setting of first relief pressure valve reduces air supply pressure to make the staff can audio-visually observe air supply pressure through first manometer, thereby ensure the steady operation of first air supply line.

Further setting the following steps: the pneumatic valve is characterized by comprising a second air supply pipeline, wherein a rotary actuating mechanism of the valve is a pneumatic head, the second air supply pipeline is communicated with an air port of the pneumatic head, a second control valve for controlling the on-off of the second air supply pipeline is arranged on the second air supply pipeline, a positioner is installed on the pneumatic head, a feedback device is electrically connected to the positioner, the feedback device and the positioner are electrically connected with a controller, and the second control valve is electrically connected with the controller.

Through adopting above-mentioned technical scheme, the air supply is used for driving pneumatic head action for pneumatic head air feed through the second air supply line, when pneumatic head rotated to required position, through a control signal of locator control feedback ware for controller output, the second control valve stop work is controlled to the controller, and control first control valve is opened first air supply line and is given the sealing washer air feed, make the sealing washer support tight case and form sealedly, just so avoided the case at the in-process sealing washer of opening and close just support tightly sealed in the case, avoid causing wearing and tearing to the sealing washer, thereby the life of extension sealing washer.

When the valve is closed, the controller controls the second control valve to be opened, the pneumatic head is closed and opened, and after the valve is closed in place, the feedback device controls the inflation channel to enter air through the controller to realize valve sealing; when the valve is opened, the controller controls the inflation channel to release pressure, then the second control valve is opened to control the pneumatic head to be opened, and when the pneumatic head is opened in place, the feedback device controls the second control valve to be closed through the controller. In addition, the opening angle of the valve can be realized by controlling the switch of the second control valve through the feedback controller of the positioner.

Further setting the following steps: and a second filter, a second pressure reducing valve, a second pressure gauge and an oil feeder are arranged on the second air supply pipeline between the air inlet end and the second control valve.

Through adopting above-mentioned technical scheme, the setting of second relief pressure valve reduces air supply pressure to make the staff can audio-visually observe air supply pressure through the second manometer, thereby ensure the steady operation of second air supply line. The second filter filters the gas and is matched with an oil feeder to lubricate the pneumatic head, so that the service life of the pneumatic head is ensured.

Further setting the following steps: the third air supply pipeline is communicated with a purging channel of the valve, a third control valve for controlling the on-off of the third air supply pipeline is arranged on the third air supply pipeline, and the third control valve is electrically connected with the controller.

Through adopting above-mentioned technical scheme, the valve feed is accomplished the back and before the case is closed, and the controller controls third control valve earlier and opens the third air supply line, and the air supply carries out the pulsed through third air supply line conveying into the passageway that sweeps, and the material that will be detained in the UNICOM area is blown into inside the valve body to ensure the abundant drying or the mixing of material in the valve body, promote the processing quality.

Further setting the following steps: and a third pressure reducing valve, a third pressure gauge and a sterilizing filter are arranged on the third air supply pipeline between the air inlet end and the third control valve.

Through adopting above-mentioned technical scheme, the setting of third relief pressure valve reduces air supply pressure to make the staff can audio-visual observation air supply pressure through the third manometer, thereby ensure the steady operation of third air supply line, filter gas in the cooperation bacteria removal filter, thereby guarantee the processing quality of material.

Further setting the following steps: the first control valve and the second control valve comprise electromagnetic directional valves.

Further setting the following steps: the third control valve comprises a diaphragm valve.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses whether can audio-visual observation the sealing washer take place the wearing and tearing that the damage and reduction case caused the sealing washer opening and close the in-process to avoid the potential safety hazard that equipment exists, guarantee its life and safe in utilization.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

In the figure: 1. a valve; 2. a first air supply line; 3. a first control valve; 4. a pressure sensor; 5. a controller; 6. a first pressure reducing valve; 7. a first pressure gauge; 8. a second gas supply line; 9. a pneumatic head; 10. a second control valve; 11. a positioner; 12. a feedback device; 13. a second filter; 14. a second pressure reducing valve; 15. a second pressure gauge; 16. an oil feeder; 17. a third gas supply line; 18. a third control valve; 19. a third pressure reducing valve; 20. a third pressure gauge; 21. and (5) a sterilizing filter.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a control system with a valve of a purging structure includes a valve 1, a first air supply line 2, a second air supply line 8 and a third air supply line 17, the first air supply line 2 is fixedly connected to an inflation channel of the valve 1, a first control valve 3 for controlling on-off of the first air supply line 2 is installed on the first air supply line 2, a pressure sensor 4 is installed at a position between the first control valve 3 and the inflation channel of the valve 1 on the first air supply line 2, a controller 5 is electrically connected to the pressure sensor 4, and the controller 5 is electrically connected to the first control valve 3 and controls on-off of the first control valve 3. A first pressure reducing valve 6 and a first pressure gauge 7 are installed on the first air supply pipe 2 at a position between the air inlet end and the first control valve 3.

The rotary actuating mechanism of the valve 1 is a pneumatic head 9, a second air supply pipeline 8 is fixedly connected with an air port of the pneumatic head 9, a second control valve 10 for controlling the on-off of the second air supply pipeline 8 is installed on the second air supply pipeline 8, a positioner 11 is installed on the pneumatic head 9, a feedback device 12 is electrically connected to the positioner 11, the feedback device 12 and the positioner 11 are both electrically connected with the controller 5, and the controller 5 is electrically connected with the second control valve 10. A second filter 13, a second pressure reducing valve 14, a second pressure gauge 15, and an oil feeder 16 are installed in the second air supply line 8 at a position between the air intake end and the second control valve 10.

The third air supply pipeline 17 is fixedly connected with the purging channel of the valve 1, a third control valve 18 for controlling the on-off of the third air supply pipeline 17 is installed on the third air supply pipeline 17, and the third control valve 18 is electrically connected with the controller 5. A third pressure reducing valve 19, a third pressure gauge 20, and a sterilizing filter 21 are installed in the third air supply line 17 at a position between the air intake end and the third control valve 18. The first control valve 3 and the second control valve 10 are both electromagnetic directional valves, the third control valve 18 is a diaphragm valve, and the controller 5 is a single chip microcomputer. The controller 5, the first control valve 3, the pressure sensor 4, the second control valve 10, the feedback device 12, the positioner 11 and the third control valve 18 are all powered by an external power supply, and the valve 1 of the present application is a valve with a purging structure, which has the prior application publication number of CN 111457124A.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A control system with purge structure valve, comprising a valve (1), characterized in that: including first air supply line (2), the inflation channel intercommunication of first air supply line (2) and valve (1), be equipped with first control valve (3) of its break-make of control on first air supply line (2), the position that lies in between the inflation channel of first control valve (3) and valve (1) on first air supply line (2) is equipped with pressure sensor (4), the electricity is connected with controller (5) on pressure sensor (4), controller (5) are connected and control its and open and close with first control valve (3) electricity.

2. A control system having a purge arrangement valve according to claim 1, wherein: and a first pressure reducing valve (6) and a first pressure gauge (7) are arranged at a position, between the air inlet end and the first control valve (3), of the first air supply pipeline (2).

3. A control system having a purge arrangement valve according to claim 1, wherein: including second air supply line (8), the rotatory actuating mechanism of valve (1) is pneumatic head (9), second air supply line (8) and the gas port intercommunication of pneumatic head (9), be equipped with second control valve (10) of its break-make of control on second air supply line (8), install locator (11) on pneumatic head (9), be connected with feedback ware (12) on locator (11), feedback ware (12) and locator (11) all are connected with controller (5) electricity, second control valve (10) are connected with controller (5) electricity.

4. A control system having a purge arrangement valve according to claim 3, wherein: and a second filter (13), a second pressure reducing valve (14), a second pressure gauge (15) and an oil feeder (16) are arranged at a position, between the air inlet end and the second control valve (10), of the second air supply pipeline (8).

5. A control system having a purge arrangement valve according to claim 1, wherein: including third air supply line (17), third air supply line (17) and the passageway intercommunication that sweeps of valve (1), be equipped with third control valve (18) of its break-make of control on third air supply line (17), third control valve (18) are connected with controller (5) electricity.

6. A control system having a purge arrangement valve according to claim 5, wherein: and a third pressure reducing valve (19), a third pressure gauge (20) and a sterilizing filter (21) are arranged at a position, between the air inlet end and the third control valve (18), of the third air supply pipeline (17).

7. A control system having a purge arrangement valve according to claim 3, wherein: the first control valve (3) and the second control valve (10) both comprise electromagnetic directional valves.

8. A control system having a purge arrangement valve according to claim 5, wherein: the third control valve (18) comprises a diaphragm valve.