CN218722062U - Linkage smoke-proof intelligent control device for air port fan - Google Patents
Linkage smoke-proof intelligent control device for air port fan Download PDFInfo
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- CN218722062U CN218722062U CN202222368662.7U CN202222368662U CN218722062U CN 218722062 U CN218722062 U CN 218722062U CN 202222368662 U CN202222368662 U CN 202222368662U CN 218722062 U CN218722062 U CN 218722062U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a wind gap fan linkage smoke prevention intelligent control device, which comprises an air supply channel arranged at each floor of a high-rise building, an air supply pipe communicated with the air supply channel and an air discharge channel communicated with the air supply pipe, wherein the air supply pipe is provided with a positive pressure air supply outlet, the positive pressure air supply outlet is provided with a positive pressure fan, a bypass relief valve which can be opened or closed is arranged at the communication part of the air supply pipe and the air discharge channel, and the bypass relief valve is connected and controlled by an air valve actuator; the air supply channel is provided with a residual pressure sensor, and the positive air fan, the air valve actuator and the residual pressure sensor are connected with and controlled by the smoke-proof intelligent controller. The utility model discloses a device is controlled to wind gap fan linkage smoke prevention intelligence can effectively solve the evacuation and prevent that fire door both sides pressure differential is too big and lead to preventing the accident that fire door can't normally open, has guaranteed that evacuation passageway's safety is unobstructed, makes the pressurization forced draught blower be in reasonable, effectual operating condition to personnel's installation under conflagration emergency is sparse and effective rescue.
Description
Technical Field
The utility model relates to a building smoke protection technical field especially relates to a wind gap fan linkage smoke protection intelligence accuse device.
Background
When a building is in fire, a large amount of high-temperature smoke is generated along with the combustion of combustible materials, and the smoke contains a large amount of incompletely combusted toxic and harmful substances, so that the life safety of personnel is seriously threatened. Smoke-proof staircases, refuge walkways and front rooms are life passages for people to evacuate and passage walkways for fire fighters to put out fire, and the requirements of smoke-proof performance of buildings must be determined. From the perspective of smoke prevention, the excessive pressure of the mechanical pressurization air supply system is too low to prevent smoke, and the excessive pressure can lead to the serious consequence that the fire door cannot be opened due to too large pressure difference at two sides of the evacuation door between the staircase and the front room, and between the front room and the walkway.
Therefore, the design of the pressurization air supply system is firstly established on the basis of safe evacuation, namely, the smoke-proof intelligent control device is required to be designed and installed to solve the problem that the fire door cannot be normally opened due to overlarge pressure difference between two sides of the evacuation fire door, so that the safety of an evacuation channel is ensured to be smooth, the pressurization air supply system is in a reasonable and effective working state, and therefore people under the fire emergency are installed to be evacuated and effectively rescued. Although there are many residual pressure monitoring systems on the market, none of them can completely solve the above problems.
Disclosure of Invention
The utility model aims at solving the above problem, provide a device is controlled to wind gap fan linkage smoke prevention intelligence, solve the evacuation and prevent that fire door both sides pressure differential is too big and lead to preventing the accident that fire door can't normally open, guaranteed that evacuation channel's safety is unobstructed, make the pressurization air supply system be in reasonable, effectual operating condition to personnel's installation under conflagration emergency is sparse and effectively rescues.
In order to realize the purpose, the technical scheme of the utility model is that:
an intelligent linked smoke-proof control device for a tuyere fan comprises an air supply channel arranged at each floor of a high-rise building, an air supply pipe communicated with the air supply channel and an air discharge channel communicated with the air supply pipe, wherein the air supply pipe is provided with a positive pressure air supply outlet, a positive pressure fan is arranged at the positive pressure air supply outlet, a bypass pressure release valve which can be opened or closed is arranged at the communication part of the air supply pipe and the air discharge channel, and the bypass pressure release valve is connected and controlled by an air valve actuator; the air supply channel is provided with a residual pressure sensor, and the positive air fan, the air valve actuator and the residual pressure sensor are connected with and controlled by the smoke-proof intelligent controller.
As an improvement to the above technical solution, the smoke prevention intelligent controller is a PLC controller, and the PLC controller comprises a PL control module.
As an improvement to the above technical scheme, the air supply channel is provided with a normally closed air opening, and the excess pressure sensor is arranged at the normally closed air opening of the air supply channel.
As an improvement to the above technical scheme, the residual pressure sensor is a JEA9-YC residual pressure sensor.
As an improvement to the above technical scheme, the bypass relief valve is an electric bypass relief valve.
The utility model discloses a theory of operation is:
when the nth floor is on fire, the positive pressure air supply outlet is opened, the positive pressure fan is started, when the residual pressure value of the fire-fighting front chamber is higher than 30Pa (50 Pa for a staircase), the residual pressure detection and smoke prevention panel transmits a signal to the smoke prevention intelligent controller, and the smoke prevention intelligent controller opens the electric bypass pressure release valve for pressure release; when the residual pressure value of the n layers is lower than 25Pa (40 Pa for a staircase), the residual pressure detection and smoke prevention panel transmits a signal to the smoke prevention intelligent controller, and the smoke prevention intelligent controller closes the electric bypass pressure relief valve to stop pressure relief.
The utility model discloses a device is controlled to smoke protection intelligence is special to the control product in a section of high-rise building malleation air supply system, collects industrial computer technique, anti-electromagnetic interference, digital sensing technique, fire control communication bus in the intelligent system of an organic whole. A high-sensitivity pressure sensor is adopted, working states such as pressure changes of areas of a front room and a staircase are automatically inspected and collected in real time for 24 hours, and an alarm signal is sent and recorded for faults such as overpressure. When the residual pressure value of the smoke-proof stairs or the front chamber reaches an overpressure monitoring value, the residual pressure sensor sends an alarm signal, and the smoke-proof intelligent controller opens an electric bypass pressure release valve on a blast pipe of the pressurization fan; after the residual pressure loop reaches the normal interval value, the smoke-proof intelligent controller closes the pressure release valve, and the residual pressure value is kept stable in the interval value required by the full stack through controlling the opening of the bypass pressure release valve. The smoke-proof and smoke-discharging system completely meets and is higher than the functional requirements in related national standards such as GB51251-2017 technical Standard of building smoke-proof and smoke-discharging System, GB50045-95 fireproof Specification of high-rise civil buildings, GB50016 fireproof Specification of building design and the like.
Compared with the prior art, the utility model has the advantages and positive effect be:
the utility model discloses a device is controlled to wind gap fan linkage smoke prevention intelligence can effectively solve the evacuation and prevent that fire door both sides pressure differential is too big and lead to preventing the accident that fire door can't normally open, has guaranteed that evacuation passageway's safety is unobstructed, makes the pressurization forced draught blower be in reasonable, effectual operating condition to personnel's installation under conflagration emergency is sparse and effective rescue. Specifically, the method comprises the following steps: 1. the electric actuator of the positive pressure air supply outlet can be connected to the residual pressure detection and smoke prevention panel of the floor, and the residual pressure detection and smoke prevention panels of all the floors are connected to the smoke prevention intelligent controller through two buses; 2. the positive pressure air supply outlet has independent interlocking control function outside the acceptance and elimination: the air inlet is opened manually and mechanically on site, the air inlet is opened manually by a smoke-proof panel on site, and the air inlet is opened manually in a remote way, so that the fan can be interlocked and automatically opened and the excess pressure control can be carried out; when the fire disaster is confirmed manually or when automatic inspection is carried out, the smoke-proof control system can independently and remotely open specific or all air ports. The evacuation and rescue of people under the fire condition can be effectively and safely guaranteed to provide powerful guarantee.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the circuit control structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.
As shown in fig. 1 and 2, the intelligent control device for smoke prevention in linkage of air port fans of the present invention comprises an air supply channel 1 arranged on each floor of a high-rise building, an air supply pipe 2 communicated with the air supply channel 1, and an air discharge channel 3 communicated with the air supply pipe 2, wherein the air supply pipe 2 is provided with a positive pressure air supply outlet, the positive pressure air supply outlet is provided with a positive pressure fan 4, the communication part between the air supply pipe 2 and the air discharge channel 1 is provided with a bypass relief valve 5 which can be opened or closed, and the bypass relief valve 5 is connected and controlled by an air valve actuator 6; the air supply channel 1 is provided with a residual pressure sensor 7, and the positive air fan 4, the air valve actuator 6 and the residual pressure sensor 7 are connected with the smoke-proof intelligent controller 8 and controlled by the smoke-proof intelligent controller 8.
The smoke-proof intelligent controller 8 is a PLC controller, and the PLC controller comprises a PL control module. The air supply channel 1 is provided with a normally closed air opening, and the excess pressure sensor 7 is arranged at the normally closed air opening of the air supply channel. The residual pressure sensor 7 is a JEA9-YC residual pressure sensor. The bypass pressure relief valve 5 is an electric bypass pressure relief valve.
The utility model discloses a theory of operation is:
when the nth floor is on fire, the positive pressure air supply outlet is opened, the positive pressure fan is started, when the residual pressure value of the fire-fighting front chamber is higher than 30Pa (50 Pa for a staircase), the residual pressure detection and smoke prevention panel transmits a signal to the smoke prevention intelligent controller, and the smoke prevention intelligent controller opens the electric bypass pressure release valve for pressure release; when the residual pressure value of the n layers is lower than 25Pa (40 Pa for the staircase), the residual pressure detection and smoke prevention panel transmits a signal to the smoke prevention intelligent controller, and the smoke prevention intelligent controller closes the electric bypass pressure release valve to stop pressure release.
The utility model discloses a smoke protection intelligence is controlled device is special to a control product in high-rise building malleation air supply system, collects industrial computer technique, anti-electromagnetic interference, digital sensing technique, fire control communication bus in the intelligent system of an organic whole. A high-sensitivity pressure sensor is adopted, working states such as pressure changes of areas of a front room and a staircase are automatically inspected and collected in real time for 24 hours, and an alarm signal is sent and recorded for faults such as overpressure. When the residual pressure value of the smoke-proof stairs or the front chamber reaches an overpressure monitoring value, the residual pressure sensor sends an alarm signal, and the smoke-proof intelligent controller opens an electric bypass pressure release valve on a blast pipe of the pressurization fan; after the residual pressure loop reaches the normal interval value, the smoke-proof intelligent controller closes the pressure release valve, and the residual pressure value is kept stable in the interval value required by the full stack through controlling the opening of the bypass pressure release valve. The smoke-proof and smoke-discharging system completely meets and is higher than the functional requirements in relevant national standards such as GB51251-2017 technical standards of building smoke-proof and smoke-discharging systems, GB50045-95 fire-proof standards of high-rise civil buildings, GB50016 fire-proof standards of building design and the like.
As can be seen from fig. 2, the utility model adopts mature circuit technology of mature prior art, 1) fully meets the functional requirements in the national standard of building smoke prevention and exhaust system technical standard and GB50016 of building design fire prevention standard and other related national standards; 2) Performing power distribution control on the positive pressure fan; 3) An intelligent controller is arranged in the monitoring system, and the working state of the residual pressure and the fault alarm information of all monitored areas are monitored in real time; 4) The fire-fighting secondary bus is adopted for communication and power supply with the residual pressure sensor, so that the construction and cable cost is saved; 5) PID accurately controls the electric bypass relief valve, and adjusts the residual pressure value of the monitoring area within a safety range; 6) Automatic inspection function: monitoring the on-off state of a normally closed electric air port, a floor pressure difference value, starting control of a positive pressure fan and the on-off state of an electric bypass pressure relief valve; and monitoring whether the communication with a fire alarm system (or a fire control system) is normal. The accident that the fire door can not be normally opened due to overlarge pressure difference between two sides of the fire door can be effectively solved, the safety and smoothness of an evacuation channel are guaranteed, and the pressurizing air supply system is in a reasonable and effective working state, so that people under the emergency condition of fire can be installed and evacuated and effectively rescued.
Claims (5)
1. The utility model provides a wind gap fan linkage smoke prevention intelligent control device which characterized in that: the air supply pipe is provided with a positive pressure air supply outlet, a positive pressure fan is arranged at the positive pressure air supply outlet, a bypass pressure relief valve which can be opened or closed is arranged at the communication part of the air supply pipe and the air relief passage, and the bypass pressure relief valve is connected and controlled by an air valve actuator; the air supply channel is provided with a residual pressure sensor, and the positive pressure fan, the air valve actuator and the residual pressure sensor are connected with the smoke-proof intelligent controller and controlled by the smoke-proof intelligent controller.
2. The air outlet fan linkage smoke-proof intelligent control device as claimed in claim 1, characterized in that: the smoke-proof intelligent controller is a PLC controller, and the PLC controller comprises a PL control module.
3. The air outlet fan linkage smoke-proof intelligent control device as claimed in claim 1, characterized in that: the air supply channel is provided with a normally closed air opening, and the excess pressure sensor is arranged at the normally closed air opening of the air supply channel.
4. The air outlet fan linkage smoke-proof intelligent control device as claimed in claim 1, characterized in that: the residual pressure sensor is a JEA9-YC residual pressure sensor.
5. The air outlet fan linkage smoke-proof intelligent control device as claimed in claim 1, characterized in that: the bypass pressure relief valve is an electric bypass pressure relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222368662.7U CN218722062U (en) | 2022-09-07 | 2022-09-07 | Linkage smoke-proof intelligent control device for air port fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222368662.7U CN218722062U (en) | 2022-09-07 | 2022-09-07 | Linkage smoke-proof intelligent control device for air port fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218722062U true CN218722062U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222368662.7U Active CN218722062U (en) | 2022-09-07 | 2022-09-07 | Linkage smoke-proof intelligent control device for air port fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218722062U (en) |
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2022
- 2022-09-07 CN CN202222368662.7U patent/CN218722062U/en active Active
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