CN216536602U - Escape device of pressure-bearing building - Google Patents
Escape device of pressure-bearing building Download PDFInfo
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- CN216536602U CN216536602U CN202123415361.7U CN202123415361U CN216536602U CN 216536602 U CN216536602 U CN 216536602U CN 202123415361 U CN202123415361 U CN 202123415361U CN 216536602 U CN216536602 U CN 216536602U
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Abstract
The utility model provides an escape device of a pressure-bearing building, which comprises a first pressure detection piece, an escape door, a refuge chamber, a second pressure detection piece and a fireproof door, wherein the refuge chamber is arranged in the pressure-bearing building, the first air supply valve and a pressure release valve are arranged in the refuge chamber, the fireproof door is communicated with the refuge chamber and the pressure-bearing building, and the escape door is communicated with the refuge chamber and the outside; the second pressure detection piece is arranged in the refuge chamber and used for detecting the air pressure in the refuge chamber, and the first pressure detection piece is arranged outdoors and used for detecting the air pressure outside the chamber. When a fire disaster happens, personnel can wait for pressure relief in the refuge chamber, the personnel are prevented from being exposed to a dangerous environment during the pressure relief period, and when the indoor and outdoor pressure is balanced, the escape door is opened to enter an external safe environment.
Description
Technical Field
The utility model relates to the technical field of high-altitude area buildings, in particular to an escape device for a pressure-bearing building.
Background
Mineral products and natural resources of the Qinghai-Tibet plateau are rich, but the development of local economy and society and the construction of national defense are severely restricted by the influence of severe cold and oxygen deficiency of high altitude. Various altitude diseases are easy to appear after personnel enter a plateau area from a plain area, the physical and psychological health of the personnel is seriously damaged, and the working efficiency of the personnel is reduced. In order to solve the problem of altitude sickness, people can live and work comfortably by building the positive pressure house in the low-pressure environment of the plateau. The positive pressure room is a completely closed space, and the escape probability of personnel can be increased by designing a special escape device in consideration of the fire escape condition.
At present, no special escape device is designed in the existing positive pressure house, and only a normal living channel is adopted for escape. This life passageway's pressure-bearing door need often open and shut the business turn over that satisfies personnel, and the use frequency is high, and the probability of breaking down is high. When a fire disaster happens, people can escape after waiting for pressure relief, and the people are exposed in a dangerous environment for a long time.
The existing escape device is a pressure-resistant heat-insulating fire-retardant sealed space, so that people can hide in danger, and short-time emergency materials are arranged in the space. The escape device is only used in a normal pressure environment and is not suitable for a pressure-bearing environment. And the escape device is always in a dangerous environment, is not communicated with a safe environment and can only be used as a short-term safe place.
In view of the above, there is a need for an escape device for pressure-bearing buildings to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an escape device for a pressure-bearing building, which aims to solve the problem of personnel escape when fire alarm occurs in the pressure-bearing building, and the specific technical scheme is as follows:
an escape device of a pressure-bearing building comprises a first pressure detection piece, an escape door, a refuge chamber, a second pressure detection piece and a fireproof door, wherein the refuge chamber is arranged in the pressure-bearing building, a first air supply valve and a pressure release valve are arranged in the refuge chamber, the fireproof door is communicated with the refuge chamber and the pressure-bearing building, and the escape door is communicated with the refuge chamber and the outside; the second pressure detection piece is arranged in the refuge chamber and used for detecting the air pressure in the refuge chamber, and the first pressure detection piece is arranged outdoors and used for detecting the outdoor air pressure.
Preferably, in the technical scheme, the escape door further comprises a locking device and an indicator, wherein the locking device is interlocked with a fire protection system of a pressure-bearing building, the locking device is used for locking the escape door, and the indicator is used for indicating the state of the escape door.
Preferably among the above technical scheme, still include air supply arrangement, be equipped with the second blast valve in the pressure-bearing building, air supply arrangement is all connected to second blast valve and first blast valve.
Preferred among the above technical scheme, prevent fire door including fire door curtain and thermal-insulated fire relief door, thermal-insulated fire relief door passes through detection switch and detects whether close the target in place.
In the above technical scheme, preferably, the edges of the heat-insulating fire-retardant door and the escape door are provided with sealing strips; the heat-insulation fire-retardant door is compressed and sealed by the air pressure in the pressure-bearing building, and the escape door is compressed and sealed by the air pressure in the refuge chamber.
Preferably among the above technical scheme, all be equipped with the handle on thermal-insulated back-fire relief door and the emergency exit, thermal-insulated back-fire relief door and emergency exit are all opened or are closed through the handle is manual.
Preferably, in the above technical scheme, the heat-insulating fire-retardant door and the escape door are respectively provided with a driving device, and both the heat-insulating fire-retardant door and the escape door are automatically opened or closed through the driving devices; the driving device is powered by a standby power supply.
Preferably among the above technical scheme, still include the control unit, blocking device, indicator, second blast valve, first blast valve, relief valve, detection switch, first pressure detection spare, second pressure detection spare and drive arrangement all are connected with the control unit.
The technical scheme of the utility model has the following beneficial effects:
according to the escape device, when a fire disaster occurs, personnel can wait for pressure relief in the refuge chamber, the personnel are prevented from being exposed to a dangerous environment during the pressure relief period, and when the indoor pressure and the outdoor pressure are balanced, the escape door is opened to enter an external safe environment; the escape device is provided with the special escape door, the locking device is interlocked with the fire fighting system, safety and reliability are high, the escape door cannot be opened in normal conditions, the locking device is automatically unlocked when fire fighting alarm is triggered, and the condition that the escape door is frequently opened to cause critical time faults is prevented.
After the fireproof door curtain is used, the air circulation between the pressure-bearing building and the refuge room can be reduced, the air supply to the pressure-bearing building is stopped, the air supply to the refuge room is kept, the refuge room is in a micro-positive pressure state relative to the pressure-bearing building, smoke and dust are prevented from entering the refuge room, and the escape probability of people is improved.
Thermal-insulated back-fire relief door and emergency exits all can adopt manual or automatic form to open or close, and drive arrangement passes through stand-by power supply, has promoted escape device's reliability greatly. When the refuge chamber is in a normal condition, the refuge chamber can be used as a place for daily activities, and the use space of a pressure-bearing building is increased.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of a pressurized building and escape apparatus;
figure 2 is a schematic view of a fire rated door;
FIG. 3 is a schematic view of an escape door;
fig. 4 is a control flow chart of the escape apparatus for pressure bearing buildings;
the fire door comprises a first air supply valve 1, a first pressure detection piece 2, an escape door 3, an escape door 4, a refuge chamber 5, a second air supply valve 6, a second pressure detection piece 7, a fire door 8, a pressure bearing building 9, a transition area 10, a fire door curtain 11, a sealing strip 12, a heat insulation fire resisting door 13, a handle 14, a wallboard 15 and a locking device.
Detailed Description
In order that the utility model may be more fully understood, a more particular description of the utility model will now be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Example 1:
referring to fig. 1-3, the escape device for the pressure-bearing building comprises a first pressure detection piece 2, an escape door 3, a refuge chamber 4, a second pressure detection piece 6 and a fireproof door 7, wherein the refuge chamber 4 is arranged in the pressure-bearing building 8, a first air supply valve 1 and a pressure release valve are arranged in the refuge chamber 4, the fireproof door 7 is communicated with the refuge chamber 4 and the pressure-bearing building 8, and the escape door 3 is communicated with the refuge chamber 4 and the outside; the second pressure detection piece 6 is arranged in the refuge chamber 4 and used for detecting the air pressure in the refuge chamber 4, and the first pressure detection piece 2 is arranged outdoors and used for detecting the outdoor air pressure.
Preferably, the first pressure detection piece 2 and the second pressure detection piece 6 are both pressure sensors, and the refuge chamber has a flame-retardant and heat-insulating function.
Preferably, the escape device further comprises a locking device 15 and an indicator, wherein the locking device 15 is interlocked with a fire protection system of the pressure-bearing building 8, the locking device 15 is used for locking the escape door 3, and the indicator is used for indicating the state of the escape door 3. Referring to the prior art, the specific structural form of the locking device 15, the locking device 15 is interlocked with the fire protection system of the pressure bearing building 8, that is: when the fire alarm does not occur, the locking device is in a locking state, and when the fire alarm is triggered, the locking device is automatically unlocked. The indicator can be an indicator lamp, an alarm, a display screen and the like, is used for displaying the state of the escape door, comprises three states of non-opening (namely locking), unlocking and opening, and is used for indicating personnel to operate the escape door.
Preferably, the escape device further comprises an air supply device, a second air supply valve 5 is arranged in the pressure-bearing building 8, and the second air supply valve 5 and the first air supply valve 1 are both connected with the air supply device. In the embodiment, the air supply device is originally equipped in the pressure-bearing building 8, namely, the pressure-bearing building and the refuge chamber can share one set of air supply device, and air supply to the refuge chamber and the pressure-bearing building or air supply stop can be respectively controlled through the first air supply valve and the second air supply valve.
Referring to fig. 2, the fireproof door 7 comprises a fireproof door curtain 10 and a heat-insulation fire-retardant door 12, namely, the fireproof door curtain 10 and the heat-insulation fire-retardant door 12 are arranged on a wallboard 14, wherein the fireproof door curtain 10 is made of fireproof materials, is light in design and can be manually opened, the heat-insulation fire-retardant door 12 is a steel structure door, and the heat-insulation fire-retardant door 12 is detected by a detection switch to be closed in place.
Referring to fig. 2 and 3, the edges of the heat-insulating fire-retardant door 12 and the escape door 3 are both provided with sealing strips 11; when the air pressure in the pressure-bearing building 8 is greater than the air pressure in the refuge room, the heat insulation fire-retardant door 12 is compressed and sealed by the air pressure in the pressure-bearing building 8; when the air pressure in the refuge chamber is larger than the external air pressure, the escape door 3 is compressed and sealed by the air pressure in the refuge chamber 4.
Preferably, handles 13 are arranged on the heat-insulating fire-retardant door 12 and the escape door 3, and the heat-insulating fire-retardant door 12 and the escape door 3 are manually opened or closed through the handles 13.
Preferably, the heat-insulation fire-retardant door 12 and the escape door 3 are respectively provided with a driving device, and the heat-insulation fire-retardant door 12 and the escape door 3 are automatically opened or closed through the driving devices; the driving device is powered by a standby power supply, and the driving device can be in the form of electric, pneumatic or hydraulic.
Namely, the heat insulation fire retardant door 12 and the escape door 3 can be opened and closed manually or automatically; for the specific construction of the drive, the construction of the insulating fire barrier 12 and the escape door 3, reference is made to the prior art; the heat-insulation fire-retardant door 12 and the escape door can be sliding doors, or can be vertical hinged doors, side-by-side hinged doors or sliding and folding doors, and the opening modes and the opening directions of the heat-insulation fire-retardant door and the escape door can be selected according to actual structural forms.
When a fire disaster occurs (namely fire alarm occurs), when a person enters the refuge chamber, the fireproof door curtain is started (namely the fireproof door curtain is closed), air circulation between the pressure-bearing building and the refuge chamber is reduced, the second air supply valve is closed to stop supplying air to the pressure-bearing building, the first air supply valve is kept open to continue supplying air to the refuge chamber, the refuge chamber is enabled to be in a micro-positive pressure state relative to the pressure-bearing building, and harmful substances are prevented from entering the refuge chamber. After the personnel completely enter the refuge chamber, the personnel can safely close the heat-insulating fire-retardant door at the inner side of the refuge chamber. The heat-insulation fire-retardant door is flame-retardant and heat-insulation, and after the door is closed and the pressure of the refuge chamber is relieved, the sealing strip of the door frame is pressed to be dead under the pressure towards the refuge chamber, so that the sealing effect is ensured.
When a fire disaster does not happen, the pressure in the refuge chamber is higher than the outdoor pressure, and the escape door is pressed to be dead by the pressure facing the outdoor, so that the sealing effect is ensured.
Preferably, the escape device further comprises a control unit, and the locking device 15, the indicator, the second air supply valve 5, the first air supply valve 1, the pressure release valve, the detection switch, the first pressure detection piece 2, the second pressure detection piece 6 and the driving device are all connected with the control unit. The control unit may be a commonly used control device, such as a PLC or the like.
Referring to fig. 4, the control method of the escape apparatus according to the present embodiment is as follows:
the control method when the fire alarm occurs is as follows:
step S1: the fire-fighting system triggers a fire-fighting alarm, the control unit controls the locking device 15 to unlock, and the indicator displays that the escape door 3 is in an unlocked state;
step S2: the fire-proof door curtain 10 is started manually (namely, the fire-proof door curtain is in a closed state, and a person can manually stir the door curtain to enter the refuge chamber), so that the air circulation between the pressure-bearing building 8 and the refuge chamber 4 is reduced; meanwhile, the control unit controls the second air supply valve 5 to stop supplying air into the pressure-bearing building 8, and the first air supply valve 1 continues supplying air into the refuge chamber 4, so that the air pressure in the refuge chamber 4 is greater than the air pressure in the pressure-bearing building 8 (namely micro-positive pressure), and harmful substances (namely smoke and dust) in the pressure-bearing building 8 are prevented from entering the refuge chamber 4;
step S3: after all the people enter the refuge chamber 4, the people manually close the heat-insulating fire-retardant door 12 through a handle or automatically close the heat-insulating fire-retardant door 12 through a driving device, the detection switch sends a signal to the control unit after the heat-insulating fire-retardant door 12 is closed in place, the control unit closes the first air supply valve 1, stops supplying air into the refuge chamber 4, opens a pressure release valve in the refuge chamber 4, and the heat-insulating fire-retardant door 12 is tightly pressed and sealed under the action of the air pressure in the pressure-bearing building 8;
step S4: the second pressure detection piece detects the pressure in the refuge chamber, the first pressure detection piece detects the pressure outside the chamber and feeds back signals to the control unit, and when the air pressure of the refuge chamber 4 is balanced with the external air pressure, the control unit controls the indicator to display that the escape door 3 can be opened currently;
step S5: the person can open the escape door 3 manually through the handle or automatically through the driving device, and then the person can escape.
The control method when the fire alarm does not occur is as follows:
the refuge chamber 4 is communicated with a pressure-bearing building 8 through a normally-open fireproof door 7, the control unit controls the first air supply valve 1 and the second air supply valve 5 to normally supply air for ventilation, and the pressure of the pressure-bearing building 8 and the pressure of the refuge chamber 4 are balanced; personnel normally enter and exit the pressure-bearing building 8 through the transition area 9;
the locking device 15 is in a locking state, the escape door 3 is locked, the indicator shows that the escape door 3 can not be opened, and the escape door 3 is tightly pressed and sealed under the action of the air pressure in the refuge chamber 4.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The escape device for the pressure-bearing building is characterized by comprising a first pressure detection piece (2), an escape door (3), a refuge chamber (4), a second pressure detection piece (6) and a fireproof door (7), wherein the refuge chamber (4) is arranged in the pressure-bearing building (8), a first air supply valve (1) and a pressure release valve are arranged in the refuge chamber (4), the fireproof door (7) is communicated with the refuge chamber (4) and the pressure-bearing building (8), and the escape door (3) is communicated with the refuge chamber (4) and the outside; the second pressure detection piece (6) is arranged in the refuge chamber (4) and used for detecting the air pressure in the refuge chamber (4), and the first pressure detection piece (2) is arranged outdoors and used for detecting the outdoor air pressure.
2. An escape device for pressure bearing buildings according to claim 1, further comprising a locking device (15) and an indicator, wherein the locking device (15) is interlocked with the fire protection system of the pressure bearing building (8), the locking device (15) is used for locking the escape door (3), and the indicator is used for indicating the state of the escape door (3).
3. The escape device for the pressure-bearing building according to claim 2, further comprising an air supply device, wherein a second air supply valve (5) is arranged in the pressure-bearing building (8), and the second air supply valve (5) and the first air supply valve (1) are both connected with the air supply device.
4. An escape device for buildings according to claim 3, characterized in that the fire door (7) comprises a fire curtain (10) and a fire insulation and protection door (12), and the fire insulation and protection door (12) is detected by a detection switch whether it is closed in place.
5. The escape device for pressure-bearing buildings according to claim 4, characterized in that the edges of the heat-insulating fire-retardant door (12) and the escape door (3) are provided with sealing strips (11); the heat-insulation fire-retardant door (12) is compressed and sealed by the air pressure in the pressure-bearing building (8), and the escape door (3) is compressed and sealed by the air pressure in the refuge chamber (4).
6. The escape device for pressure-bearing buildings according to claim 4, characterized in that handles (13) are arranged on the heat insulation fire retardant door (12) and the escape door (3), and the heat insulation fire retardant door (12) and the escape door (3) are manually opened or closed through the handles (13).
7. The escape device for pressure-bearing buildings according to any one of claims 4 to 6, characterized in that the heat insulation fire retardant door (12) and the escape door (3) are respectively provided with a driving device, and the heat insulation fire retardant door (12) and the escape door (3) are automatically opened or closed through the driving devices; the driving device is powered by a standby power supply.
8. An escape device for pressure-bearing buildings according to claim 7, further comprising a control unit, wherein the locking device (15), the indicator, the second blast valve (5), the first blast valve (1), the pressure relief valve, the detection switch, the first pressure detection member (2), the second pressure detection member (6) and the driving device are all connected with the control unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123415361.7U CN216536602U (en) | 2021-12-31 | 2021-12-31 | Escape device of pressure-bearing building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123415361.7U CN216536602U (en) | 2021-12-31 | 2021-12-31 | Escape device of pressure-bearing building |
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| CN216536602U true CN216536602U (en) | 2022-05-17 |
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| CN202123415361.7U Active CN216536602U (en) | 2021-12-31 | 2021-12-31 | Escape device of pressure-bearing building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146332A (en) * | 2021-12-31 | 2022-03-08 | 中国铁建重工集团股份有限公司 | Escape device of pressure-bearing building and control method |
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2021
- 2021-12-31 CN CN202123415361.7U patent/CN216536602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146332A (en) * | 2021-12-31 | 2022-03-08 | 中国铁建重工集团股份有限公司 | Escape device of pressure-bearing building and control method |
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