CN109958382B - Emergency door opening/closing button device and door opening/closing method - Google Patents
Emergency door opening/closing button device and door opening/closing method Download PDFInfo
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- CN109958382B CN109958382B CN201910325055.2A CN201910325055A CN109958382B CN 109958382 B CN109958382 B CN 109958382B CN 201910325055 A CN201910325055 A CN 201910325055A CN 109958382 B CN109958382 B CN 109958382B
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- valve
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- emergency
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0002—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets
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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
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses an emergency door opening and closing button device which comprises an air source, a ball valve, a distributor, a first pressure reducing valve, an air storage one-way valve, an air storage tank, an emergency door opening button, an air bottle, a second pressure reducing valve, an emergency door closing button, an inflation valve, a filter, a deflation valve, an electromagnetic valve, an air control one-way valve and a door sealing strip. The invention also discloses an emergency door opening and closing method, which can realize the emergency door closing function, and the device can still close the door to complete the inflation sealing in the evacuation process by taking compressed gas of the gas storage tank as power, thereby isolating the function of polluting the environment in the biosafety laboratory.
Description
Technical Field
The invention belongs to the field of sealing devices, in particular to an emergency door opening and closing button device and an emergency door opening and closing method, which are applied to houses and facility equipment with strict sealing requirements, such as life science, physical and chemical and biological safety laboratories, medical operating rooms, biopharmaceutical workshops and the like.
Background
The airtight door is a metal door with high airtight requirement and capable of being interlocked to control opening and closing. The airtight door comprises: door frame, door leaf, inflatable sealing rubber strip, inflation and deflation control system, door lock controlling means.
The common airtight door is sealed and locked by means of electromagnetic attraction of an electromagnetic lock and expansion of a door sealing strip, emergency door opening is divided into two steps, a release valve on the sealing strip is opened to release gas, an emergency button is pressed to demagnetize the electromagnetic lock, and the airtight door can be opened.
The prior art needs to have the following defects: 1. the airtight door can be opened only by two steps of operation under emergency conditions such as gas-break and power-off, the operation is complex, and the escape door opening time of personnel is prolonged; 2. the release valve is arranged on the indoor door leaf, the sealing strip can be directly communicated with the indoor and the outdoor in the air release process, and the indoor polluted air has the risk of outward leakage; 3. after the airtight door is opened in an emergency, the airtight door can not be closed again due to equipment failure reasons such as air supply, power failure and the like;
the device uses the emergency door opening and closing button device, presses the emergency button, releases gas in the sealing strip through the pneumatic control loop, and simultaneously demagnetizes the electromagnetic lock, so that one-key door opening operation is simple, and the escape time of people is shortened; the problem that the air storage tank is limited by external electrical conditions is solved, the door can be opened in an emergency at any time, the door can be closed again, and the risk that the door cannot be closed in time and the pollution source is diffused outwards can be effectively reduced; the control valve and the air inlet and outlet of the door are all outdoor, and the door sealing strip can not be communicated with the indoor and outdoor through air exhaust, so that the pollution source leakage risk can be reduced.
Disclosure of Invention
The present invention has been made in view of the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide an emergency door opening/closing button device and an emergency door opening/closing method.
In order to achieve the above object, the present invention provides the following technical solutions:
the emergency door opening and closing button device comprises an air source, wherein the air source is connected with the input end of a distributor through a ball valve, one output end of the distributor is connected with one end of an air storage check valve through a first pressure reducing valve, the other end of the air storage check valve is respectively connected with an air storage tank and one end of an air passage in an emergency door opening button through a tee joint, the other end of the air passage in the emergency door opening button is connected with an air control port of an air control check valve, the air source is connected with the air control port of the air control check valve through an air passage in an electromagnetic valve,
the other output end of the distributor is connected with one end of a gas passage in the inflation valve, the gas cylinder is connected with one end of a gas passage in the emergency door closing button through the second pressure reducing valve, the filter is connected with one end of the gas passage in the deflation valve, the other end of the gas passage in the inflation valve, the other end of the gas passage in the emergency door closing button and the other end of the gas passage in the deflation valve are connected with one end of the pneumatic control one-way valve, and the other end of the pneumatic control one-way valve is communicated with the door sealing strip.
The air release valve is an air control valve, an air source is connected with an air control port of the air release valve through an air passage in the electromagnetic valve, and one end of the air passage in the emergency door opening button, which is connected with the air control port of the air control check valve, is connected with the air control port of the air release valve.
The control end of the air charging valve and the control end of the electromagnetic valve are connected with a control cabinet,
the switch board still is connected with button, red pilot lamp, green pilot lamp, electromagnetic lock and contact switch that opens the door respectively.
The door opening button and the emergency door opening button are positioned on the inner side of the door leaf, and the emergency door closing button is positioned on the outer side of the door leaf.
The emergency door opening and closing method comprises the steps of:
the control cabinet receives a door opening signal of the switch button, controls the electromagnetic lock to lose electricity, controls the red indicator lamp to flash, controls the gas path channel in the electromagnetic valve to be on, and controls the inflation valve to be off; compressed air of the air source enters the pneumatic control port of the pneumatic control check valve and the pneumatic control port of the air release valve through the electromagnetic valve, and air in the door sealing strip is discharged through the pneumatic control check valve, the air release valve and the filter; after the set time, the control cabinet controls the electromagnetic valve to be disconnected, the air passage in the air release valve is disconnected, the door sealing strip stops releasing air, the control cabinet controls the red indicator lamp to be extinguished, the green indicator lamp is normally on, and the door leaf is opened.
The emergency door opening and closing method further comprises the step of closing the door:
closing the door leaf, and after the control cabinet obtains a door closing signal of the contact switch and a door locking signal of the electromagnetic lock, controlling the green indicator lamp to flash by the control cabinet, and extinguishing the red indicator lamp; the control cabinet controls the gas path channel in the inflation valve to be communicated, the control cabinet controls the gas path channel in the electromagnetic valve to be disconnected, and gas in the gas source sequentially passes through the ball valve, the distributor, the inflation valve and the pneumatic control one-way valve to inflate the door sealing strip; the inflation time is set, and the control cabinet controls the gas path channel in the inflation valve to be disconnected; the control cabinet controls the green indicator lamp to be extinguished, and the red indicator lamp is always on.
The emergency door opening and closing method further comprises the step of emergency door opening:
the emergency door opening button is pressed down, the air passage of the emergency door opening button is turned into conduction from disconnection, air in the air storage tank enters the air control port of the air control check valve and the air control port of the air release valve through the air passage in the emergency door opening button, the air passage in the air release valve is conducted, the air passage in the air charging valve is controlled by the control cabinet to be disconnected from the air passage in the electromagnetic valve, the electromagnetic lock is controlled by the control cabinet to be disconnected from power failure, and air in the door sealing strip is discharged through the air control check valve, the air release valve and the filter in sequence, and the door leaf is opened.
The emergency door opening and closing method further comprises the step of emergency door closing:
resetting the emergency door opening button, switching the air passage in the emergency door opening button from communication to disconnection, after the control cabinet detects that the emergency door opening button is reset, the control cabinet controls the air passage in the inflation valve and the air passage in the electromagnetic valve to be disconnected, controlling the electromagnetic lock to be electrified,
closing the door leaf, pressing the emergency door closing button, switching the air passage in the emergency door closing button from off to on, inflating the door sealing strip by compressed gas in the gas cylinder through the second pressure reducing valve, the air passage in the emergency door closing button and the pneumatic control one-way valve, resetting the emergency door closing button, switching the air passage in the emergency door closing button from on to off, and enabling the pneumatic control opening of the pneumatic control one-way valve not to be connected with gas.
Compared with the prior art, the invention has the following beneficial effects:
1) The emergency door opening button is arranged right above one side of the door opening button, the position is striking, and the operation is simple and quick.
2) The invention integrates electric and gas double-way control, and the electromagnetic lock release and sealing strip air leakage door opening can be realized by pressing the door opening button/emergency door opening button by one key, so that the door opening action is reduced, the requirement of personnel operation skill is lowered, and the personnel risk is reduced.
3) The emergency door opening button, the emergency door closing button and the door opening button are all installed and fixed on the door frame, and the opening of the door frame is not affected by external force and is easier to seal;
4) The airtight door can not be inflated and sealed again after emergency evacuation relative to the common airtight door; the device is provided with the air storage tank, can realize the emergency door closing function, can still close the door to complete inflation sealing in the evacuation process by taking compressed air of the air storage tank as power, has the function of isolating the polluted environment in the biosafety laboratory, and ensures the dual functions of personnel and laboratory environment safety under the emergency conditions of air interruption, power failure and the like.
Drawings
FIG. 1 is a schematic view of a door frame and a door leaf according to the present invention;
FIG. 2 is a schematic electrical structure of embodiment 1 of the present invention;
fig. 3 is an electrical schematic of embodiment 2 of the present invention.
1-an air source; 2-ball valve; 3-dispensers; 4-an inflation valve; 5-a filter; 6-a bleed valve; 7-emergency door opening button; 8-a door opening button; 9-door sealing strips; 10-an air-controlled one-way valve; 11-an air storage tank; 12-a gas storage one-way valve; 13-a first pressure reducing valve; 14-an electromagnetic valve; 15-gas cylinder; 16-a second pressure relief valve; 17-emergency door closing button;
31-contact switch; 32-electromagnetic lock; 33-door frame; 34-door leaf; 36-red indicator light; 37-green indicator lights; 38-front control panel; 39-rear control panel.
Detailed Description
The present invention will be further described in detail below in conjunction with the following examples, for the purpose of facilitating understanding and practicing the present invention by those of ordinary skill in the art, it being understood that the examples described herein are for the purpose of illustration and explanation only and are not intended to limit the invention.
Example 1:
as shown in fig. 2, the emergency opening and closing door button device comprises an air source 1, wherein the air source 1 is connected with the input end of a distributor 3 through a ball valve 2, one output end of the distributor 3 is connected with one end of a gas storage one-way valve 12 through a first pressure reducing valve 13, the other end of the gas storage one-way valve 12 is respectively connected with one end of a gas channel in a gas storage tank 11 and an emergency opening door button 7 through a tee joint, the other end of the gas channel in the emergency opening door button 7 is connected with a pneumatic control port of a pneumatic control one-way valve 10, the air source 1 is connected with the pneumatic control port of the pneumatic control one-way valve 10 through the gas channel in a solenoid valve 14,
the other output end of the distributor 3 is connected with one end of an air passage channel in the air charging valve 4, the air bottle 15 is connected with one end of an air passage channel in the emergency closing button 17 through the second pressure reducing valve 16, the filter 5 is connected with one end of an air passage channel in the air discharging valve 6, the other end of the air passage channel in the air charging valve 4, the other end of the air passage channel in the emergency closing button 17 and the other end of the air passage channel in the air discharging valve 6 are all connected with one end of the air control check valve 10, and the other end of the air control check valve 10 is communicated with the door sealing strip 9.
In this embodiment, the air release valve 6 is an air control valve, the air source 1 is connected with the air control port of the air release valve 6 through an air passage in the electromagnetic valve 14, and one end of the air passage in the emergency door opening button 7 connected with the air control port of the air control check valve 10 is connected with the air control port of the air release valve 6.
The control cabinet is also respectively connected with a door opening button 8, a red indicator light 36, a green indicator light 37, an electromagnetic lock 32 and a contact switch 31.
The control end of the charging valve 4 and the control end of the electromagnetic valve 14 are connected with a control cabinet, and the control cabinet controls the on-off of the gas path channels in the charging valve 4 and the electromagnetic valve 14.
The door opening button 8 and the emergency door opening button 7 are positioned on the inner side of the door leaf, and the emergency door closing button 17 is positioned on the outer side of the door leaf.
As shown in fig. 1, the door opening button 8, the red indicator light 36, the green indicator light 37, and the emergency door opening button 7 are provided on the front control panel 38, the emergency door opening button 7 is located above the door opening button 8, and the emergency door closing button 17 is provided on the rear control panel 39; the front side of the door frame 33 is provided with a front panel mounting concave groove, the rear side of the door frame 33 is provided with a rear panel mounting concave groove, the front control panel 38 is buckled on the front panel mounting concave groove and fixed by a screw, and a sealing ring is arranged at the contact part of the front control panel 38 and the groove edge of the front panel mounting concave groove; the rear control panel 39 is buckled on the rear panel mounting concave groove and is fixed by a screw, a sealing ring is arranged at the contact position of the rear control panel 39 and the groove edge of the rear panel mounting concave groove, and cables connected with the door opening button 8, the red indicator light 36, the green indicator light 37 and the emergency door opening button 7 penetrate through the front panel mounting concave groove to enter the door frame 33, penetrate out of the door frame 33 from the door frame 33 and are connected with the control cabinet; the cable connected with the emergency door closing button 17 passes through the rear panel mounting concave groove to enter the door frame 33, and passes out of the door frame 33 from the door frame 33 to be connected with the control cabinet.
The door frame 33 is provided with a contact switch mounting groove and an electromagnetic lock mounting groove at the inner edge opposite to the door leaf, the contact switch 31 is mounted on a contact switch mounting panel, the contact switch mounting panel is buckled on the contact switch mounting groove and fixed by a screw, and a sealing ring is arranged at the contact position of the contact switch mounting panel and the groove edge of the contact switch mounting groove; the electromagnetic lock 32 is installed on the electromagnetic lock installation panel, and the electromagnetic lock installation panel is detained and is established on the electromagnetic lock mounting groove to through the screw fixation, the electromagnetic lock installation panel is provided with the sealing washer with the groove edge contact department of contact switch mounting groove. The cable connected with the contact switch 31 passes through the contact switch mounting groove to enter the door frame 33, and passes out of the door frame 33 from the door frame 33 to be connected with the control cabinet; the cable connected with the electromagnetic lock 32 passes through the electromagnetic lock mounting groove to enter the door frame 33, and passes out of the door frame 33 from the door frame 33 to be connected with the control cabinet.
The door sealing strip 9 is sleeved on the door leaf 34, an air pipe connected with the door sealing strip 9 passes through an air pipe inlet hole formed in the door leaf 34 to enter the door leaf 34, and passes through an air pipe outlet hole formed in the door leaf 34 to exit the door leaf 34, and an air pipe penetrating out of the door leaf 34 passes through the door frame 33 to be connected with the control cabinet.
The red indicator light 36 and the green indicator light 37 indicate the state of inflation and deflation of the door weather strip 9 and the state of opening and closing of the door leaf 34:
a red indicator light 36 blinks, indicating that the door seal 9 is being inflated;
the red indicator light 36 is normally on, which indicates that the door sealing strip 9 is completely inflated, and the door leaf 34 is sealed and closed;
the red indicator light 36 is extinguished, indicating that the door leaf 34 is open.
The green indicator lamp 37 blinks, indicating that the door seal 9 is venting;
the green indicator lamp 37 is normally on, which indicates that the air leakage of the door sealing strip 9 is completed, and the door leaf 34 is opened;
the green indicator light 37 is extinguished, indicating that the door leaf 34 is sealed closed.
Personnel can judge the state of door through the pilot lamp.
As shown in fig. 2, the main loop is an airtight door inflation and deflation loop; the dashed frame is the emergency door opening and closing loop of the airtight door.
An emergency door opening and closing method includes the steps of:
in a normal state, an external air source 1 supplies compressed air, the compressed air charges the air storage tank 11 through the ball valve 2, the distributor 3, the first pressure reducing valve 13 and the air storage one-way valve 12, so that the air storage tank 11 is in a floating charge state, the red indicator light 36 is always on, the green indicator light 37 is extinguished, and the door sealing strip 9 is in an inflation and expansion state; the inflation valve 4, the deflation valve 6, the electromagnetic valve 14 and the emergency door closing button 17 are all in a closed state, the air passage is closed, and the pneumatic control one-way valve 10 is closed in the forward circulation and the reverse direction;
a door opening step: when the door opening button 8 is pressed, the control cabinet receives a door opening signal of the switch button 8, the control cabinet controls the electromagnetic lock 32 to be powered off, controls the red indicator light 36 to flash, controls the gas path channel in the electromagnetic valve 14 to be on, and controls the inflation valve 4 to be off; compressed air of the air source 1 respectively enters the pneumatic control port of the pneumatic control check valve 10 and the pneumatic control port of the air release valve 6 through the electromagnetic valve 14, the pneumatic control check valve 10 is opened, the air can flow in the reverse direction (the direction of outward exhaust of the door sealing strip 9 through the pneumatic control check valve 10 is reverse), and the air release valve 6 is opened; the gas in the door sealing strip 9 is discharged through the pneumatic check valve 10, the air release valve 6 and the filter 5; the air is exhausted for a certain time, the control cabinet controls the electromagnetic valve 14 to be disconnected, compressed air of the air source 1 cannot enter the air control port of the air control check valve 10 and the air control port of the air release valve 6 through the air passage channel of the electromagnetic valve 14, the air control check valve 10 circulates positively (the direction of inflating the door sealing strip 9 through the air control check valve 10 is positive), the air passage channel in the air release valve 6 is disconnected, the door sealing strip 9 stops venting, the control cabinet controls the red indicator lamp 36 to be extinguished, the green indicator lamp 37 is always on, and the door leaf 34 is manually opened;
closing the door: closing the door leaf 34, and after the control cabinet obtains a door closing signal of the contact switch 31 and a door locking signal of the electromagnetic lock 32, controlling the green indicator lamp 37 to flash by the control cabinet, and extinguishing the red indicator lamp 36; the control cabinet controls the gas passage in the charging valve 4 to be communicated, the control cabinet controls the gas passage in the electromagnetic valve 14 to be disconnected, and the gas in the gas source 1 sequentially passes through the ball valve 2, the distributor 3, the charging valve 4 and the pneumatic control one-way valve 10 to charge the door sealing strip 9; the inflation time is set, the control cabinet controls the gas path channel in the inflation valve 4 to be disconnected, the pneumatic check valve 10 is reversely cut off, and the gas in the door sealing strip 9 cannot leak outwards through the pneumatic check valve 10, so that inflation is completed; the control cabinet controls the green indicator lamp 37 to be turned off, and the red indicator lamp 36 is always on;
emergency door opening step: the emergency door opening button 7 is pressed down, the air passage in the emergency door opening button 7 is changed from off to on, air in the air storage tank 11 respectively enters the air control one-way valve 10 and the air control opening of the air release valve 6 through the air passage in the emergency door opening button 7, the air control opening of the air control one-way valve 10 is opened, the air control one-way valve 10 can flow reversely, the air control opening of the air release valve 6 is air-filled, and the air passage in the air release valve 6 is on; when the control cabinet detects that the emergency door opening button 7 is pressed (namely, the air passage of the emergency door opening button 7 is detected to be changed from the off state to the on state), the control cabinet controls the air passage in the inflation valve 4 and the air passage in the electromagnetic valve 14 to be disconnected, and controls the electromagnetic lock 32 to lose electricity. The gas in the door sealing strip 9 is discharged through the pneumatic check valve 10, the air release valve 6 and the filter 5 in sequence until the gas leakage of the door sealing strip is completed, and the door leaf 34 is opened manually.
Emergency closing the door:
the emergency door opening button 7 is reset after the emergency door is opened, the air passage in the emergency door opening button 7 is turned from the connection to the disconnection, and when the control cabinet detects that the emergency door opening button 7 is reset (namely, the air passage in the emergency door opening button is detected to be turned from the connection state to the disconnection state), the control cabinet controls the air passage in the inflation valve 4 to be disconnected from the air passage in the electromagnetic valve 14, the air control port of the air control one-way valve 10 is not connected with air, the air control one-way valve 10 cannot reversely circulate and can only positively circulate, the air control port of the air release valve 6 is not connected with air, and the air passage in the air release valve 6 is disconnected to control the electromagnetic lock 32 to be electrified.
Closing the door leaf 34, pressing the emergency door closing button 17, turning on the air passage in the emergency door closing button 17 from off, inflating the compressed air in the air bottle 15 to the door sealing strip 9 through the second pressure reducing valve 16, the air passage in the emergency door closing button 17 and the air control one-way valve 10, expanding and pressing the sealing by the door sealing strip 9, resetting the emergency door closing button 17, turning on the air passage in the emergency door closing button 17 from on to off, wherein the air control opening of the air control one-way valve 10 is not connected with air, the air control one-way valve 10 positively circulates and cannot reversely circulate, and the air in the door sealing strip 9 cannot be discharged.
The on-off state of the air passage of the emergency door opening button 7 and the emergency door closing button 17 can be detected, for example, the on-off state can be detected in a flow monitoring mode. Or the pressing and resetting of the emergency door opening button 7 and the emergency door closing button 17 generate corresponding electric signals to the control cabinet, and the two embodiments of the emergency door opening button 7 and the emergency door closing button 17 are both in the prior art.
Example 2:
as shown in fig. 3, the emergency opening and closing door button device comprises an air source 1, wherein the air source 1 is connected with the input end of a distributor 3 through a ball valve 2, one output end of the distributor 3 is connected with one end of a gas storage one-way valve 12 through a first pressure reducing valve 13, the other end of the gas storage one-way valve 12 is respectively connected with one end of a gas channel in a gas storage tank 11 and an emergency opening door button 7 through a tee joint, the other end of the gas channel in the emergency opening door button 7 is connected with a pneumatic control port of a pneumatic control one-way valve 10, the air source 1 is connected with the pneumatic control port of the pneumatic control one-way valve 10 through the gas channel in a solenoid valve 14,
the other output end of the distributor 3 is connected with one end of an air passage channel in the air charging valve 4, the air bottle 15 is connected with one end of an air passage channel in the emergency closing button 17 through the second pressure reducing valve 16, the filter 5 is connected with one end of an air passage channel in the air discharging valve 6, the other end of the air passage channel in the air charging valve 4, the other end of the air passage channel in the emergency closing button 17 and the other end of the air passage channel in the air discharging valve 6 are all connected with one end of the air control check valve 10, and the other end of the air control check valve 10 is communicated with the door sealing strip 9.
In this embodiment, the air release valve 6 is an electric control valve, and the control end of the air charging valve 4, the control end of the electromagnetic valve 14, and the control end of the air release valve 6 are all connected with the control cabinet.
The control cabinet controls the on-off of the air passage channels in the charging valve 4, the electromagnetic valve 14 and the air release valve 6.
The control cabinet is also respectively connected with a door opening button 8, a red indicator light 36, a green indicator light 37, an electromagnetic lock 32 and a contact switch 31.
The door opening button 8 and the emergency door opening button 7 are positioned on the inner side of the door leaf, and the emergency door closing button 17 is positioned on the outer side of the door leaf.
Other constituent members and connection relationships of the emergency opening/closing door button device in the present embodiment are the same as those of embodiment 1.
An emergency door opening and closing method includes the steps of:
in a normal state, an external air source 1 supplies compressed air, the compressed air charges the air storage tank 11 through the ball valve 2, the distributor 3, the first pressure reducing valve 13 and the air storage one-way valve 12, so that the air storage tank 11 is in a floating charge state, the red indicator light 36 is always on, the green indicator light 37 is extinguished, and the door sealing strip 9 is in an inflation and expansion state; the inflation valve 4, the deflation valve 6, the electromagnetic valve 14 and the emergency door closing button 17 are all in a closed state, the air passage is closed, and the pneumatic control one-way valve 10 is closed in the forward circulation and the reverse direction;
a door opening step: when the door opening button 8 is pressed, the control cabinet receives a door opening signal of the switch button 8, the control cabinet controls the electromagnetic lock 32 to be powered off, controls the red indicator lamp 36 to flash, controls the gas path channel in the electromagnetic valve 14 and the gas path channel in the air release valve 6 to be connected, and controls the inflation valve 4 to be disconnected; compressed air of the air source 1 enters the pneumatic control port of the pneumatic control check valve 10 through the electromagnetic valve 14, the pneumatic control check valve 10 is opened, and the air can flow in the reverse direction (the direction of outward exhaust of the door sealing strip 9 through the pneumatic control check valve 10 is reverse); the gas in the door sealing strip 9 is discharged through the pneumatic check valve 10, the air release valve 6 and the filter 5; the air is exhausted for a certain time, the air passage in the control cabinet controls the electromagnetic valve 14 to be disconnected from the air passage in the air release valve 6, compressed air of the air source 1 cannot enter the air control port of the air control one-way valve 10 through the air passage of the electromagnetic valve 14, the air control one-way valve 10 circulates positively (the direction of inflating the door sealing strip 9 through the air control one-way valve 10 is positive), the air passage in the air release valve 6 is disconnected, the door sealing strip 9 stops releasing air, the control cabinet controls the red indicator lamp 36 to be extinguished, the green indicator lamp 37 is always on, and the door leaf 34 is opened manually;
closing the door: closing the door leaf 34, and after the control cabinet obtains a door closing signal of the contact switch 31 and a door locking signal of the electromagnetic lock 32, controlling the green indicator lamp 37 to flash by the control cabinet, and extinguishing the red indicator lamp 36; the control cabinet controls the gas passage in the inflation valve 4 to be communicated, the control cabinet controls the gas passage in the electromagnetic valve 14 to be disconnected from the gas passage in the deflation valve 6, and the gas in the gas source 1 sequentially passes through the ball valve 2, the distributor 3, the inflation valve 4 and the pneumatic control one-way valve 10 to inflate the door sealing strip 9; the inflation time is set, the control cabinet controls the gas path channel in the inflation valve 4 to be disconnected, the pneumatic check valve 10 is reversely cut off, and the gas in the door sealing strip 9 cannot leak outwards through the pneumatic check valve 10, so that inflation is completed; the control cabinet controls the green indicator lamp 37 to be turned off, and the red indicator lamp 36 is always on;
emergency door opening step: the emergency door opening button 7 is pressed down, the air passage in the emergency door opening button 7 is changed from off to on, air in the air storage tank 11 enters the air control port of the air control one-way valve 10 through the air passage in the emergency door opening button 7, the control cabinet controls the air passage in the air release valve 6 to be on, the air control port of the air control one-way valve 10 is opened, and the air control one-way valve 10 can flow reversely; when the control cabinet detects that the emergency door opening button 7 is pressed (namely, the air passage of the emergency door opening button 7 is detected to be changed from the off state to the on state), the control cabinet controls the air passage in the inflation valve 4 and the air passage in the electromagnetic valve 14 to be disconnected, and controls the electromagnetic lock 32 to lose electricity. The gas in the door sealing strip 9 is discharged through the pneumatic check valve 10, the air release valve 6 and the filter 5 in sequence until the gas leakage of the door sealing strip is completed, and the door leaf 34 is opened manually.
Emergency closing the door:
the emergency door opening button 7 is reset after the emergency door is opened, the air passage in the emergency door opening button 7 is turned from the connection to the disconnection, when the control cabinet detects that the emergency door opening button 7 is reset (namely, the air passage in the emergency door opening button is detected to be turned from the connection state to the disconnection state), the control cabinet controls the air passage in the inflation valve 4 to be disconnected from the air passage in the electromagnetic valve 14, the air passage in the deflation valve 6 is controlled to be disconnected, the air control port of the air control one-way valve 10 is not connected with air, the air control one-way valve 10 cannot circulate reversely, only can circulate positively, and the electromagnetic lock 32 is controlled to be electrified.
Closing the door leaf 34, pressing the emergency door closing button 17, turning on the air passage in the emergency door closing button 17 from off, inflating the compressed air in the air bottle 15 to the door sealing strip 9 through the second pressure reducing valve 16, the air passage in the emergency door closing button 17 and the air control one-way valve 10, expanding and pressing the sealing by the door sealing strip 9, resetting the emergency door closing button 17, turning on the air passage in the emergency door closing button 17 from on to off, wherein the air control opening of the air control one-way valve 10 is not connected with air, the air control one-way valve 10 positively circulates and cannot reversely circulate, and the air in the door sealing strip 9 cannot be discharged.
The on-off state of the air passage of the emergency door opening button 7 and the emergency door closing button 17 can be detected, for example, the on-off state can be detected in a flow monitoring mode. Or the pressing and resetting of the emergency door opening button 7 and the emergency door closing button 17 generate corresponding electric signals to the control cabinet, and the two embodiments of the emergency door opening button 7 and the emergency door closing button 17 are both in the prior art.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (6)
1. The emergency door opening and closing button device comprises an air source (1), and is characterized in that the air source (1) is connected with the input end of a distributor (3) through a ball valve (2), one output end of the distributor (3) is connected with one end of a gas storage one-way valve (12) through a first pressure reducing valve (13), the other end of the gas storage one-way valve (12) is respectively connected with a gas storage tank (11) and one end of a gas channel in an emergency door opening button (7) through a tee joint, the other end of the gas channel in the emergency door opening button (7) is connected with a gas control port of a gas control one-way valve (10), the air source (1) is connected with the gas control port of the gas control one-way valve (10) through a gas channel in an electromagnetic valve (14),
the other output end of the distributor (3) is connected with one end of a gas passage in the air charging valve (4), the gas cylinder (15) is connected with one end of a gas passage in the emergency door closing button (17) through a second pressure reducing valve (16), the filter (5) is connected with one end of a gas passage in the air discharging valve (6), the other end of the gas passage in the air charging valve (4), the other end of the gas passage in the emergency door closing button (17) and the other end of the gas passage in the air discharging valve (6) are connected with one end of a pneumatic check valve (10), the other end of the pneumatic check valve (10) is communicated with a door sealing strip (9),
the air release valve (6) is an air control valve, the air source (1) is connected with the air control port of the air release valve (6) through an air passage in the electromagnetic valve (14), one end of the air passage in the emergency door opening button (7) connected with the air control port of the air control check valve (10) is connected with the air control port of the air release valve (6),
the control end of the charging valve (4) and the control end of the electromagnetic valve (14) are connected with a control cabinet,
the control cabinet is also respectively connected with a door opening button (8), a red indicator lamp (36), a green indicator lamp (37), an electromagnetic lock (32) and a contact switch (31).
2. The emergency opening and closing door button device according to claim 1, wherein the door opening button (8) and the emergency opening button (7) are positioned on the inner side of the door leaf, and the emergency closing button (17) is positioned on the outer side of the door leaf.
3. An emergency door opening/closing method using the emergency door opening/closing button device according to claim 1, comprising a door opening step of:
the door opening button (8) is pressed down, the control cabinet receives a door opening signal of the door opening button (8), the control cabinet controls the electromagnetic lock (32) to be powered off, the red indicator lamp (36) to flash, the control cabinet controls the gas path channel in the electromagnetic valve (14) to be conducted, and the control cabinet controls the inflation valve (4) to be disconnected; compressed air of the air source (1) enters the pneumatic control port of the pneumatic control check valve (10) and the pneumatic control port of the air release valve (6) through the electromagnetic valve (14), and air in the door sealing strip (9) is discharged through the pneumatic control check valve (10), the air release valve (6) and the filter (5); after a set time, the control cabinet controls the electromagnetic valve (14) to be disconnected, the air passage in the air release valve (6) is disconnected, the door sealing strip (9) stops releasing air, the control cabinet controls the red indicator lamp (36) to be extinguished, the green indicator lamp (37) is normally on, and the door leaf (34) is opened.
4. The emergency door opening and closing method according to claim 3, further comprising a door closing step of:
closing the door leaf (34), and after the control cabinet obtains a door closing signal of the contact switch (31) and a door locking signal of the electromagnetic lock (32), controlling the green indicator lamp (37) to flash by the control cabinet, and extinguishing the red indicator lamp (36); the control cabinet controls the gas path in the inflation valve (4) to be communicated, the control cabinet controls the gas path in the electromagnetic valve (14) to be disconnected, and the gas in the gas source (1) sequentially passes through the ball valve (2), the distributor (3), the inflation valve (4) and the pneumatic control one-way valve (10) to inflate the door sealing strip (9); the inflation time is set, and the control cabinet controls the gas path channel in the inflation valve (4) to be disconnected; the control cabinet controls the green indicator lamp (37) to be turned off, and the red indicator lamp (36) is always on.
5. The emergency door opening and closing method according to claim 4, further comprising an emergency door opening step of:
the emergency door opening button (7) is pressed down, the air passage of the emergency door opening button (7) is turned into conduction by disconnection, air in the air storage tank (11) enters the air control opening of the air control one-way valve (10) and the air control opening of the air release valve (6) through the air passage in the emergency door opening button, the air passage in the air release valve (6) is conducted, the control cabinet controls the air passage in the air charging valve (4) and the air passage in the electromagnetic valve (14) to be disconnected, the control cabinet controls the electromagnetic lock (32) to be disconnected in a power-losing mode, and air in the door sealing strip (9) is discharged through the air control one-way valve (10), the air release valve (6) and the filter (5) in sequence, and the door leaf (34) is opened.
6. The emergency door opening and closing method according to claim 5, further comprising an emergency door closing step of:
resetting the emergency door opening button (7), switching the air passage in the emergency door opening button (7) from on to off, after the control cabinet detects that the emergency door opening button (7) is reset, the control cabinet controls the air passage in the inflation valve (4) and the air passage in the electromagnetic valve (14) to be off, controlling the electromagnetic lock (32) to be electrified,
closing the door leaf (34), pressing the emergency door closing button (17), turning on the air passage in the emergency door closing button (17) from off, inflating the door sealing strip (9) by compressed air in the air bottle (15) through the second pressure reducing valve (16) and the air passage in the emergency door closing button (17) through the air control one-way valve (10), resetting the emergency door closing button (17), turning off the air passage in the emergency door closing button (17) from on, and enabling the air control opening of the air control one-way valve (10) not to be connected with air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325055.2A CN109958382B (en) | 2019-04-22 | 2019-04-22 | Emergency door opening/closing button device and door opening/closing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910325055.2A CN109958382B (en) | 2019-04-22 | 2019-04-22 | Emergency door opening/closing button device and door opening/closing method |
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| Publication Number | Publication Date |
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| CN109958382A CN109958382A (en) | 2019-07-02 |
| CN109958382B true CN109958382B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910325055.2A Active CN109958382B (en) | 2019-04-22 | 2019-04-22 | Emergency door opening/closing button device and door opening/closing method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112081513A (en) * | 2019-12-25 | 2020-12-15 | 上海厚普科技发展有限公司 | Air-tight door control system and control method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB884403A (en) * | 1959-08-12 | 1961-12-13 | Manganese Bronze And Brass Com | Improved door control mechanism |
| FR1491554A (en) * | 1966-07-01 | 1967-08-11 | Renault | Door locking and sealing system |
| JP2545322B2 (en) * | 1992-09-01 | 1996-10-16 | 東日本旅客鉄道株式会社 | Door closing device for vehicle door |
| NL1023562C2 (en) * | 2003-05-28 | 2004-11-30 | Elton Bv Ind & Handel | Sealing device for a door or the like, inflatable seal for such a sealing device, as well as a door or the like provided with such a sealing device or seal. |
| US8347649B1 (en) * | 2008-07-17 | 2013-01-08 | Alkar-Rapidpak-Mp Equipment, Inc. | Door seal arrangements and methods |
| CN203452598U (en) * | 2013-04-23 | 2014-02-26 | 中国人民解放军军事医学科学院卫生装备研究所 | Integrated inflation sealing airtight door |
| CN204002442U (en) * | 2014-07-22 | 2014-12-10 | 上海东富龙爱瑞思科技有限公司 | A kind of Aerated sealed slide air tight door |
| CN205153949U (en) * | 2015-11-13 | 2016-04-13 | 中国船舶重工集团公司第七○二研究所 | Gas -tight door seal structure and control system thereof |
| CN205605018U (en) * | 2016-05-12 | 2016-09-28 | 上海魁利洁净技术有限公司 | Inflatable sealed air tight door |
| CN210289567U (en) * | 2019-04-22 | 2020-04-10 | 中国科学院武汉病毒研究所 | Emergency opening and closing door button device |
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