CN216594044U - Gas tightness detection system for inflatable seal ring for isolator - Google Patents
Gas tightness detection system for inflatable seal ring for isolator Download PDFInfo
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- CN216594044U CN216594044U CN202122409423.7U CN202122409423U CN216594044U CN 216594044 U CN216594044 U CN 216594044U CN 202122409423 U CN202122409423 U CN 202122409423U CN 216594044 U CN216594044 U CN 216594044U
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Abstract
The utility model provides an air tightness detection system of an inflatable sealing ring for an isolator, which comprises a sealing ring, an air pipeline arranged in the sealing ring and a detection device arranged on an air inlet pipeline, wherein the air pipeline is communicated to the sealing ring, the air pipeline provides compressed air for the sealing ring, the detection device comprises an electromagnetic valve arranged on the air pipeline, air pressure sensors respectively arranged on two sides of the electromagnetic valve and an alarm, the electromagnetic valve and the alarm are both electrically connected to the air pressure sensors, the opening degree of the electromagnetic valve in the air pipeline is controlled by the air pressure sensors, the supply flow rate of the compressed air in the air pipeline is controlled by the electromagnetic valve, an air pressure sensor is additionally arranged on the air inlet pipeline, a controller is additionally arranged on the air pressure sensor, the controller controls the electromagnetic valve and the alarm, therefore, the air pressure in the sealing ring can be controlled, and the phenomenon that the air pressure in the sealing ring is too low to cause leakage of disinfectant gas in the isolator is avoided.
Description
Technical Field
The utility model relates to the technical field of airtightness detection, in particular to an airtightness detection system for an inflatable sealing ring for an isolator.
Background
When using the isolator to disinfect the material, need put into the disinfection intracavity of isolator with the material, and spun disinfectant solution is high temperature high pressure state in the disinfection chamber, need seal the disinfection chamber when using, consequently need set up the sealing washer on the frame edge in disinfection chamber, for guaranteeing the packing shutoff of sealing washer, the sealing washer adopts gas filled mode to fill, make the sealing washer fill under the effect of physiosis to the concatenation gap in disinfection chamber, and the disinfection intracavity is in the high temperature high pressure environment for a long time, the inside glue of sealing washer takes place to warp easily, and the position laminating of warping on the sealing washer is to the chamber wall in sealed chamber, difficult discovery during the inspection, make the disinfectant steam leakage in the disinfection chamber after using for a long time, influence the disinfection effect.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the sealing ring is easy to deform, so that steam leakage of the disinfectant is caused, and the disinfection effect is influenced.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the air tightness detection system for the inflatable sealing ring for the isolator comprises a sealing ring, an air pipeline arranged in the sealing ring and a detection device arranged on an air inlet pipeline, wherein the air pipeline is communicated to the sealing ring and provides compressed air for the sealing ring, the detection device comprises an electromagnetic valve arranged on the air pipeline, air pressure sensors arranged on two sides of the electromagnetic valve respectively and an alarm, the electromagnetic valve and the alarm are electrically connected to the air pressure sensors, the air pressure sensors control the opening degree of the electromagnetic valve in the air pipeline, and the electromagnetic valve controls the supply flow rate of the compressed air in the air pipeline.
Further, install the controller on the solenoid valve, controller still electric connection to baroceptor with on the alarm, the controller is according to baroceptor's numerical control the degree of opening of solenoid valve with opening of alarm stops.
Further, the air pipeline is communicated with the sealing ring and an air compressor, and the air compressor provides compressed air for the sealing ring through the air pipeline.
Furthermore, the sealing ring is of an annular strip structure with a U-shaped section and is made of rubber.
Further, the air tightness detection system for the inflatable sealing ring further comprises an air inlet pipe head arranged on the sealing ring, and the air inlet pipe head is connected to the air pipeline.
Further, the air pressure sensor is of the type: PTG503 pressure sensor.
The utility model has the advantages that compressed air is injected into the sealing ring through the air pipeline, the attaching force of the sealing ring can be improved by the expansion force of the compressed air, and further the sealing strength of the sealing ring is changed, so that the pressure intensity in the sealing ring corresponds to the sealing strength, the pressure intensity of the sealing ring is controlled through the electromagnetic valve, the electromagnetic valve controls the opening degree of the air pipeline according to the air pressure sensor, the pressure intensity in the sealing ring is controlled, and when the pressure intensity in the sealing ring is reduced to a low level, the alarm sends out an audible and visual signal to remind an operator to carry out shaping inspection on the sealing ring.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a block diagram showing the structure of a gas tightness detection system for a pneumatic sealing ring for an isolator according to the present invention.
In the figure: the air tightness detection system 100, the sealing ring 10, the intake pipe head 20, the air pipe 30, the detection device 40, the electromagnetic valve 410, the air pressure sensor 420, the alarm 430 and the controller 411.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
As shown in fig. 1, the present invention provides a gas tightness detecting system 100 for a pneumatic sealing ring for an isolator, which includes a sealing ring 10, an air inlet pipe head 20 disposed in the sealing ring 10, an air pipe 30 communicated to the air inlet pipe head 20, and a detecting device 40 mounted on the air pipe 30.
The sealing ring 10 is installed on the isolator, the sealing ring 10 is a square annular structure with a U-shaped section, specifically, the isolator is provided with a plugging door plate, the plugging door plate is provided with an observation port, the observation port is formed by a glass plate, the glass plate and the plugging door plate are connected through the sealing ring 10, and a gap between the glass plate and the plugging door plate can be plugged through the sealing ring 10, so that disinfectant steam in the isolator is prevented from leaking from the gap between the glass plate and the plugging door plate.
Specifically, it inlays the groove to open on the lateral wall of observation mouth, and the glass board alternates to inlaying the inslot, and the groove width of inlaying the groove is greater than the wall thickness of glass board, and the glass integrated circuit board inlays to inlaying the inslot back, fills in sealing ring 10 again and inlays in the gap between groove and the glass board, and sealing ring 10 adopts elastic material such as rubber to make, and sealing ring 10 can make the glass board fix and inlay the inslot through the expanded effect of self elasticity. Open on the cell wall of inlaying the groove and have the air inlet, intake pipe head 20 can fix and alternate to the air inlet in, intake pipe head 20 stretches into to sealing ring 10 after seeing through the air inlet in, air pipeline 30 communicates intake pipe head 20 and air compressor, inject compressed air into sealing ring 10 through air pipeline 30 and intake pipe head 20 after the air compressor starts for can extrude after the sealing ring 10 physiosis and support to inlaying on cell wall and the glass board in groove, prevent the disinfectant steam leakage in the isolator simultaneously.
The sensing device 40 includes a solenoid valve 410 mounted on the air line 30, a pressure sensor 420 disposed on each side of the solenoid valve 410, and an alarm 430.
The solenoid valve 410 is fixedly installed in the air pipe 30, and the solenoid valve 410 can control the air supply speed inside the air pipe 30, so that the leakage rate of the sealing ring 10 is matched, the instantaneous pressure in the sealing ring 10 is ensured, the air inflation degree of the sealing ring 10 is stabilized, and the leakage of disinfectant steam from a gap between the sealing ring 10 and a glass plate is avoided. The controller 411 is installed on the electromagnetic valve 410, the controller 411 can control the rotation stroke of the electromagnetic valve 410, and the controller 411 can change the supply voltage of the electromagnetic valve 410, so that the blocking strength of the electromagnetic valve 410 is changed. The air pressure sensor 420 is arranged on a pipeline between the electromagnetic valve 410 and the sealing ring 10, and the air pressure sensor 420 is of the type: PTG503 pressure sensor. The air pressure sensor 420 is electrically communicated with the controller 411, the air pressure sensor 420 can control the opening degree of the electromagnetic valve 410 through the controller 411, the air pressure sensor 420 also monitors the air pressure in the air pipeline 30, the air pipeline 30 is communicated with the sealing ring 10, the air pressures in the air pipeline 30 and the sealing ring 10 are the same, the air pressure sensor 420 judges the air pressure in the sealing ring 10 by detecting the real-time air pressure in the air pipeline 30 and detecting the air pressure in the air pipeline 30, and when the air pressure in the sealing ring 10 is too high, the electromagnetic valve 410 is adjusted until the air pressure in the sealing ring 10 is always maintained at a reasonable level. The alarm 430 is electrically connected to the controller 411, the controller 411 can start the alarm 430 according to the detection value of the air pressure sensor 420, and the alarm 430 generates a photoacoustic signal, so that a worker can be reminded to check the air leakage rate of the sealing ring 10.
When the sealing ring air tightness detection system 100 is used, the electromagnetic valve 410 is opened, compressed air is injected into the sealing ring 10 through the air pipe 30, when the air pressure sensor 420 detects that the air pressure in the air pipe 30 reaches 3bar, the controller 411 controls the electromagnetic valve 410 to be closed according to a signal of the air pressure sensor 420, when the air pressure in the sealing ring 10 is reduced to below 2bar, the controller 411 controls the electromagnetic valve 410 to be opened until the air pressure in the sealing ring 10 is reset to above 3bar again under the supply of the air pipe 30, because the sealing ring 10 and the glass plate are not in sealing fit, the sealing ring 10 has a corresponding leakage rate, after the electromagnetic valve 410 closes the air pipe 30, the time required for reducing the air pressure in the sealing ring 10 to 2bar each time is approximately the same, when the sealing ring 10 deforms, the leakage rate is increased, and the time for reducing the air pressure in the sealing ring 10 is shortened, when the time for reducing the air pressure is too short, the controller 411 controls the alarm 430 to send out an audible and visual signal, and an operator on site performs shaping inspection on the sealing ring 30, so that the sealing performance of the door panel can be ensured.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides an isolator is with inflatable seal circle gas tightness detecting system which characterized in that: the air inlet device comprises a sealing ring, an air pipeline arranged in the sealing ring and a detection device arranged on an air inlet pipeline, wherein the air pipeline is communicated to the sealing ring and provides compressed air for the sealing ring, the detection device comprises an electromagnetic valve arranged on the air pipeline, air pressure sensors arranged on two sides of the electromagnetic valve respectively and an alarm, the electromagnetic valve and the alarm are electrically connected to the air pressure sensors, the air pressure sensors control the opening degree of the electromagnetic valve in the air pipeline, and the electromagnetic valve controls the supply flow rate of the compressed air in the air pipeline.
2. The system for detecting the airtightness of the inflatable sealing ring for the isolator according to claim 1, wherein: install the controller on the solenoid valve, controller still electric connection to baroceptor with on the alarm, the controller is according to baroceptor's numerical control the degree of opening of solenoid valve with opening of alarm stops.
3. The system for detecting the airtightness of the inflatable sealing ring for the isolator according to claim 1, wherein: the air pipeline is communicated with the sealing ring and the air compressor, and the air compressor provides compressed air for the sealing ring through the air pipeline.
4. The system for detecting the airtightness of the inflatable sealing ring for the isolator according to claim 1, wherein: the sealing ring is of an annular strip structure with a U-shaped section and is made of rubber.
5. The system for detecting the airtightness of the inflatable sealing ring for the isolator according to claim 1, wherein: the air tightness detection system for the inflatable sealing ring further comprises an air inlet pipe head arranged on the sealing ring, and the air inlet pipe head is connected to the air pipeline.
6. The system for detecting the airtightness of the inflatable sealing ring for the isolator according to claim 1, wherein: the air pressure sensor is characterized in that the air pressure sensor has the following types: PTG503 pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409423.7U CN216594044U (en) | 2021-09-30 | 2021-09-30 | Gas tightness detection system for inflatable seal ring for isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122409423.7U CN216594044U (en) | 2021-09-30 | 2021-09-30 | Gas tightness detection system for inflatable seal ring for isolator |
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| Publication Number | Publication Date |
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| CN216594044U true CN216594044U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122409423.7U Active CN216594044U (en) | 2021-09-30 | 2021-09-30 | Gas tightness detection system for inflatable seal ring for isolator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122671A (en) * | 2022-12-06 | 2023-05-16 | 江苏奥新新能源汽车有限公司 | Mobile laboratory sealing door system and working method thereof |
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2021
- 2021-09-30 CN CN202122409423.7U patent/CN216594044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116122671A (en) * | 2022-12-06 | 2023-05-16 | 江苏奥新新能源汽车有限公司 | Mobile laboratory sealing door system and working method thereof |
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