CN112081513A - Air-tight door control system and control method - Google Patents
Air-tight door control system and control method Download PDFInfo
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- CN112081513A CN112081513A CN201911353402.9A CN201911353402A CN112081513A CN 112081513 A CN112081513 A CN 112081513A CN 201911353402 A CN201911353402 A CN 201911353402A CN 112081513 A CN112081513 A CN 112081513A
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- electromagnetic valve
- air bag
- door
- airtight door
- magnetic lock
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
- E06B7/23—Plastic, sponge rubber, or like strips or tubes
- E06B7/2318—Plastic, sponge rubber, or like strips or tubes by applying over- or under-pressure, e.g. inflatable
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses an airtight door control system and a control method, which comprise an air source, a pressure reducing valve, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve, a sixth electromagnetic valve, a seventh electromagnetic valve, a first pressure transmitter, a second pressure transmitter, a third pressure transmitter, an air storage tank, a first airtight door, a second airtight door, a first vacuum generator, a second vacuum generator, a first exhaust device and a second exhaust device. The airtight door control system and the airtight door control method manufactured by the technical scheme inflate the airtight door air bag through the control electromagnetic valve, so that reliable sealing is realized.
Description
Technical Field
The invention relates to a control system and a control method of an airtight door.
Background
The airtight door is a metal door which has higher tightness requirement and can be controlled to open and close in an interlocking way. The airtight door comprises a door frame, a door leaf, an inflatable sealing rubber strip, an inflatable air path, an deflating air path, a door lock and the like, and realizes the functions of inflating the sealing strip when the door is closed and releasing air when the door is opened and the interlocking function of the first airtight door and the second airtight door. High-grade laboratories are often provided with inflatable containment doors to achieve contaminant isolation.
The prior art cannot well monitor and control the airtight door, so that an airtight door control system and a control method capable of well monitoring the airtight door are needed.
Disclosure of Invention
In order to solve the problems, the invention provides an airtight door control system and a control method, wherein the airtight door air bag is inflated by controlling an electromagnetic valve, so that reliable sealing is realized.
The invention relates to an airtight door control system which comprises an air source, a pressure reducing valve, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve, a sixth electromagnetic valve, a seventh electromagnetic valve, a first pressure transmitter, a second pressure transmitter, a third pressure transmitter, an air storage tank, a first airtight door, a second airtight door, a first vacuum generator, a second vacuum generator, a first exhaust device and a second exhaust device, wherein the pressure reducing valve is connected with the air source, the first electromagnetic valve is connected with the pressure reducing valve, the first pressure transmitter is connected with the air storage tank, the second electromagnetic valve, the third electromagnetic valve, the fifth electromagnetic valve and the sixth electromagnetic valve are all connected with the air storage tank, the first vacuum generator is connected with the third electromagnetic valve, the fourth electromagnetic valve is connected with the first vacuum generator, the first vacuum generator is also connected with the first exhaust device, the first airtight door is provided with a first air bag, the second airtight door is provided with a second air bag, the second pressure transmitter is connected with the first air bag, the first air bag is respectively connected with the fourth electromagnetic valve, the second electromagnetic valve and the second pressure transmitter, the second vacuum generator is connected with the sixth electromagnetic valve, the seventh electromagnetic valve is connected with the second vacuum generator, the second vacuum generator is further connected with the second exhaust device, the third pressure transmitter is connected with the second air bag, and the second air bag is respectively connected with the fifth electromagnetic valve, the seventh electromagnetic valve and the third pressure transmitter.
In the above scheme, the first airtight door is provided with a first air bag, a first magnetic lock, a first emergency button, a first yellow indicator lamp, a first red indicator lamp, a first green indicator lamp and a first door opening button.
In the above scheme, the second airtight door is provided with a second air bag, a second magnetic lock, a second emergency button, a second yellow indicator light, a second red indicator light, a second green indicator light and a second door opening button.
A control method of an airtight door is characterized by comprising the following steps:
step S1: the first air bag is inflated to be attracted by the first magnetic lock, the second air bag is inflated to be attracted by the second magnetic lock, at the moment, the first red indicator lamp on the side of the first airtight door is normally on, and the second red indicator lamp on the side of the second airtight door is normally on;
step S2: detecting whether the first door opening button is activated or not, resetting the first emergency button, if so, continuing to execute the step S3, otherwise, executing the step S1;
step S3: the first magnetic lock is released, the first air bag exhausts air through the first exhaust device, the first red indicator lamp flickers during the air exhaust, the first red indicator lamp is turned off after the air exhaust is finished, the first green indicator lamp is turned on, the first airtight door is opened at the moment, and the second airtight door is kept in an inflated and closed state;
step S4: the first magnetic lock is closed, the state of the first magnetic lock is detected, if the first magnetic lock is opened, the step S5 is executed, and if the first magnetic lock is closed, the step S6 is executed;
step S5: alarming, wherein a first yellow indicator lamp is lightened;
step S6: the first air bag is inflated, the first green indicator lamp flickers during the inflation period, the first green indicator lamp is turned off after the inflation is finished, the first red indicator lamp is turned on, and at the moment, the first airtight door keeps the inflation closed state;
step S7: detecting whether the second door opening button is activated or not, resetting the second emergency button, if so, continuing to execute the step S8, otherwise, executing the step S6;
step S8: the second magnetic lock is released, the second air bag exhausts, the second red indicator light flickers during the air exhausting, the second red indicator light is turned off after the air exhausting is finished, the second green indicator light is turned on, at the moment, the first air-tight door keeps the state of being inflated and closed, and the second air-tight door is opened;
step S9: closing the second magnetic lock, detecting the state of the second magnetic lock, if the second magnetic lock is opened, executing the step S10, and if the second magnetic lock is closed, executing the step S11;
step S10: alarming, and lighting a second yellow indicator light;
step S11: and the second air bag is inflated, the second green indicator lamp flickers during the inflation, after the inflation is finished, the second green indicator lamp is turned off, the second red indicator lamp is turned on, and the second airtight door is kept in the state of closed inflation.
The invention has the advantages and beneficial effects that: the invention provides an airtight door control system and a control method, wherein an airtight door air bag is inflated by controlling an electromagnetic valve, so that reliable sealing is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a block diagram of the system of the present invention.
Fig. 2 is a schematic diagram of the present invention.
FIG. 3 is a flow chart of the present invention.
In the figure: 1. a pressure reducing valve 2, a first electromagnetic valve 3, a second electromagnetic valve 4, a third electromagnetic valve 5, a fourth electromagnetic valve 6, a fifth electromagnetic valve 7, a sixth electromagnetic valve 8, a seventh electromagnetic valve 9, a first pressure transmitter 10, a second pressure transmitter 11, a third pressure transmitter 12, an air storage tank 13, a first airtight door 14, a second airtight door 15 and a first vacuum generator 16, the second vacuum generator 17, the first air bag 18, the first magnetic lock 19, the first emergency button 20, the first yellow indicator light 21, the first red indicator light 22, the first green indicator light 23, the first door-opening button 24, the second air bag 25, the second magnetic lock 26, the second emergency button 27, the second yellow indicator light 28, the second red indicator light 29, the second green indicator light 30 and the second door-opening button.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2, the present invention is an airtight door control system, which includes an air source, a pressure reducing valve 1, a first electromagnetic valve 2, a second electromagnetic valve 3, a third electromagnetic valve 4, a fourth electromagnetic valve 5, a fifth electromagnetic valve 6, a sixth electromagnetic valve 7, a seventh electromagnetic valve 8, a first pressure transmitter 9, a second pressure transmitter 10, a third pressure transmitter 11, an air storage tank 12, a first airtight door 13, a second airtight door 14, a first vacuum generator 15, a second vacuum generator 16, a first exhaust device and a second exhaust device, wherein the first airtight door 13 is provided with a first air bag, the second airtight door 14 is provided with a second air bag, the pressure reducing valve 1 is connected with the air source, the first electromagnetic valve 2 is connected with the pressure reducing valve 1, the first pressure transmitter 9 is connected with the air storage tank 12, the second electromagnetic valve 3, the third electromagnetic valve 4, the fifth electromagnetic valve 6 and the sixth electromagnetic valve 7 are all connected with the air storage tank 12, the first vacuum generator 15 is connected with the third electromagnetic valve 4, the fourth electromagnetic valve 5 is connected with the first vacuum generator 15, the first vacuum generator 15 is further connected with the first exhaust device, the second pressure transmitter 10 is connected with the second electromagnetic valve 3, the first airtight door 13 is respectively connected with the fourth electromagnetic valve 5, the second electromagnetic valve 3 and the second pressure transmitter 10, the second vacuum generator 16 is connected with the sixth electromagnetic valve 7, the seventh electromagnetic valve 8 is connected with the second vacuum generator 16, the second vacuum generator 16 is further connected with the second exhaust device, the third pressure transmitter 11 is connected with the fifth electromagnetic valve 6 and the seventh electromagnetic valve 8, and the second airtight door 14 is respectively connected with the seventh electromagnetic valve 8, the fourth electromagnetic valve 5 and the third pressure transmitter 11.
Wherein, the pressure reducing valve 1 is used for adjusting the pressure of gas source gas, the first pressure transmitter 9 is used for measuring the pressure of a gas storage tank 12, the second pressure transmitter 10 is used for monitoring the pressure of an air bag at the side of a first airtight door 13, the first vacuum generator 15 is used for controlling the pressure of the air bag at the time of exhausting, the air in the air bag at the side of the first airtight door 13 is rapidly evacuated by opening the exhaust third electromagnetic valve 4 and the fourth electromagnetic valve 5, the second electromagnetic valve 3 is an air bag inflation electromagnetic valve at the side of the first airtight door 13, the fifth electromagnetic valve 6 is an air bag inflation electromagnetic valve at the side of the second airtight door 14, the third pressure transmitter 11 is a second air bag pressure transmitter at the side of the second airtight door 14, for monitoring the pressure of the air bag on the side of second airtight door 14, second vacuum generator 16 for generating, when exhausting, the air in the air bag on the side of the second airtight door 14 is quickly evacuated by opening the exhaust solenoid valve 7 and the seventh solenoid valve 8.
When the first airtight door 13 is inflated, the first electromagnetic valve 2 controls an air source to inflate the first air bag through the pressure reducing valve 1, the air storage tank 12 and the second electromagnetic valve 3; when the first airtight door 13 exhausts, the fourth electromagnetic valve 5 controls the air in the first air bag to be exhausted through the first vacuum generator 15;
when the second airtight door 14 is inflated, the first electromagnetic valve 2 controls an air source to inflate the second air bag through the pressure reducing valve 1, the air storage tank 12 and the fifth electromagnetic valve 6; when the second airtight door 14 is exhausted, the seventh electromagnetic valve 8 controls the gas in the second air bag to be exhausted through the second vacuum generator.
Specifically, the first airtight door 13 is provided with a first air bag 17, a first magnetic lock 18, a first emergency button 19, a first yellow indicator light 20, a first red indicator light 21, a first green indicator light 22 and a first door opening button 23.
The second airtight door 14 is provided with a second air bag 24, a second magnetic lock 25, a second emergency button 26, a second yellow indicator lamp 27, a second red indicator lamp 28, a second green indicator lamp 29 and a second door opening button 30.
The first airtight door and the second airtight door are interlocked, namely, the first airtight door and the second airtight door can be opened only at one side under normal conditions. When the door is closed, the system controls the electromagnetic valve to inflate the air-tight door air bag, so that reliable sealing is realized. The door opening button and the state indicating lamp are arranged on two sides of the door frame respectively, the airtight door is opened by operating the electromagnetic lock of the door and exhausting of the air bag through the door opening button, the state indicating lamp is informed to indicate the current state, and after the door is closed again after being opened, the airtight door is automatically locked and inflated.
As shown in fig. 3, a method for controlling an airtight door includes the steps of:
step S1: the first air bag 17 is inflated to the first magnetic lock 18 to be attracted, the second air bag 24 is inflated to the second magnetic lock 25 to be attracted, at the moment, the first red indicator light 21 on the first airtight door 13 side is normally on, and the second red indicator light 28 on the second airtight door 14 side is normally on;
step S2: detecting whether the first door opening button 23 is activated or not, resetting the first emergency button 26, if so, continuing to execute the step S3, otherwise, executing the step S1;
step S3: the first magnetic lock 18 is released, the first air bag 17 is exhausted through the first exhaust device, the first red indicator lamp 21 flickers during the exhaust, the first red indicator lamp 21 is turned off after the exhaust is finished, the first green indicator lamp 22 is turned on, at the moment, the first airtight door 13 is opened, and the second airtight door 14 keeps the state of being inflated and closed;
step S4: the first magnetic lock 18 is closed, the state of the first magnetic lock 18 is detected, if the first magnetic lock is opened, the step S5 is executed, and if the first magnetic lock is closed, the step S6 is executed;
step S5: alarming, namely, lightening a first yellow indicator lamp 20;
step S6: the first air bag 17 is inflated, the first green indicator lamp 22 flickers during the inflation period, the first green indicator lamp 22 is turned off after the inflation is finished, the first red indicator lamp 21 is turned on, and at the moment, the first airtight door 13 keeps the state of inflation closing;
step S7: detecting whether the second door opening button 30 is activated or not and the second emergency button 26 is reset, if so, continuing to execute the step S8, and if not, executing the step S6;
step S8: when the second magnetic lock 25 is released, the second air bag 24 exhausts, the second red indicator light 28 flickers during the exhausting, the second red indicator light 28 is turned off after the exhausting is finished, the second green indicator light 29 is turned on, and at the moment, the first airtight door 13 keeps the state of being inflated and closed, and the second airtight door 14 is opened;
step S9: closing the second magnetic lock 25, detecting the state of the second magnetic lock 25, if the second magnetic lock is opened, executing the step S10, and if the second magnetic lock is closed, executing the step S11;
step S10: alarming, and lighting a second yellow indicator lamp 27;
step S11: the second air bag 24 is inflated, the second green indicator lamp 29 blinks during the inflation, after the inflation is completed, the second green indicator lamp 29 is turned off, the second red indicator lamp 28 is turned on, and the second airtight door 14 is kept in the inflated closed state.
The invention has the advantages that:
1. the compressed air storage tank is arranged, so that the effects of buffering and stabilizing pressure can be achieved, a certain amount of compressed air can be stored, the situation that the compressed air stops being supplied under the emergency condition can be prevented, the longer inflation sealing time can be maintained, and particularly, the safety is higher in high-grade laboratories or occasions with higher requirements on preventing the risk of biological pollution leakage;
2. the main gas supply pipe is provided with a pressure reducing valve, the gas supply pressure can be adjusted according to the requirement, and a main gas supply pipe compressed air pressure monitoring sensor is arranged, so that the gas supply pressure of the main pipe can be monitored in real time, an alarm can be given when the gas supply of the main gas charging pipe is in pressure loss, and emergency measures can be taken in time;
3. the air bag pressure monitoring sensor is arranged, so that the air bag pressure can be monitored in real time, and the inflation pressure value of the air bag can be set by modifying the set parameters, so that the requirements of different application occasions are met; meanwhile, the air inflation source can be accurately controlled to be cut off when the air inflation pressure of the air bag reaches a set value, so that the air bag is prevented from being in a fatigue state higher than the requirement of the air inflation pressure for a long time;
4. each door is provided with an independent vacuum generator, and compressed air in the air bag can be rapidly exhausted when the door is opened. Not only the action of opening the door feels more smooth and easy, still can effectively avoid the long-time friction loss of natural exhaust lower gasbag and door frame, reduces and reveals the risk.
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 (4)
1. A gas tight door control system is characterized by comprising a gas source, a pressure reducing valve, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve, a sixth electromagnetic valve, a seventh electromagnetic valve, a first pressure transmitter, a second pressure transmitter, a third pressure transmitter, a gas storage tank, a first gas tight door, a second gas tight door, a first vacuum generator, a second vacuum generator, a first exhaust device and a second exhaust device, wherein the pressure reducing valve is connected with the gas source, the first electromagnetic valve is connected with the pressure reducing valve, the first pressure transmitter is connected with the gas storage tank, the second electromagnetic valve, the third electromagnetic valve, the fifth electromagnetic valve and the sixth electromagnetic valve are all connected with the gas storage tank, the first vacuum generator is connected with the third electromagnetic valve, the fourth electromagnetic valve is connected with the first vacuum generator, the first vacuum generator is also connected with the first exhaust device, the first airtight door is provided with a first air bag, the second airtight door is provided with a second air bag, the second pressure transmitter is connected with the first air bag, the first air bag is respectively connected with the fourth electromagnetic valve, the second electromagnetic valve and the second pressure transmitter, the second vacuum generator is connected with the sixth electromagnetic valve, the seventh electromagnetic valve is connected with the second vacuum generator, the second vacuum generator is further connected with the second exhaust device, the third pressure transmitter is connected with the second air bag, and the second air bag is respectively connected with the fifth electromagnetic valve, the seventh electromagnetic valve and the third pressure transmitter.
2. The airtight door control system of claim 1, wherein said first airtight door is provided with a first magnetic lock, a first emergency button, a first yellow indicator light, a first red indicator light, a first green indicator light and a first door opening button.
3. The airtight door control system of claim 2, wherein said second airtight door is provided with a second magnetic lock, a second emergency button, a second yellow indicator light, a second red indicator light, a second green indicator light and a second door opening button.
4. A method of controlling an air-tight door control system according to claim 3, including the steps of:
step S1: the first air bag is inflated to be attracted by the first magnetic lock, the second air bag is inflated to be attracted by the second magnetic lock, at the moment, the first red indicator lamp on the side of the first airtight door is normally on, and the second red indicator lamp on the side of the second airtight door is normally on;
step S2: detecting whether the first door opening button is activated or not, resetting the first emergency button, if so, continuing to execute the step S3, otherwise, executing the step S1;
step S3: the first magnetic lock is released, the first air bag exhausts air through the first exhaust device, the first red indicator lamp flickers during the air exhaust, the first red indicator lamp is turned off after the air exhaust is finished, the first green indicator lamp is turned on, the first airtight door is opened at the moment, and the second airtight door is kept in an inflated and closed state;
step S4: the first magnetic lock is closed, the state of the first magnetic lock is detected, if the first magnetic lock is opened, the step S5 is executed, and if the first magnetic lock is closed, the step S6 is executed;
step S5: alarming, wherein a first yellow indicator lamp is lightened;
step S6: the first air bag is inflated, the first green indicator lamp flickers during the inflation period, the first green indicator lamp is turned off after the inflation is finished, the first red indicator lamp is turned on, and at the moment, the first airtight door keeps the inflation closed state;
step S7: detecting whether the second door opening button is activated or not, resetting the second emergency button, if so, continuing to execute the step S8, otherwise, executing the step S6;
step S8: the second magnetic lock is released, the second air bag exhausts, the second red indicator light flickers during the air exhausting, the second red indicator light is turned off after the air exhausting is finished, the second green indicator light is turned on, at the moment, the first air-tight door keeps the state of being inflated and closed, and the second air-tight door is opened;
step S9: closing the second magnetic lock, detecting the state of the second magnetic lock, if the second magnetic lock is opened, executing the step S10, and if the second magnetic lock is closed, executing the step S11;
step S10: alarming, and lighting a second yellow indicator light;
step S11: and the second air bag is inflated, the second green indicator lamp flickers during the inflation, after the inflation is finished, the second green indicator lamp is turned off, the second red indicator lamp is turned on, and the second airtight door is kept in the state of closed inflation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353402.9A CN112081513A (en) | 2019-12-25 | 2019-12-25 | Air-tight door control system and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353402.9A CN112081513A (en) | 2019-12-25 | 2019-12-25 | Air-tight door control system and control method |
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| CN112081513A true CN112081513A (en) | 2020-12-15 |
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| CN201911353402.9A Withdrawn CN112081513A (en) | 2019-12-25 | 2019-12-25 | Air-tight door control system and control method |
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Application publication date: 20201215 |
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| WW01 | Invention patent application withdrawn after publication |