CN115046277A - Use pressure-fired new trend system between danger of keeping away - Google Patents

Use pressure-fired new trend system between danger of keeping away Download PDF

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Publication number
CN115046277A
CN115046277A CN202210746594.5A CN202210746594A CN115046277A CN 115046277 A CN115046277 A CN 115046277A CN 202210746594 A CN202210746594 A CN 202210746594A CN 115046277 A CN115046277 A CN 115046277A
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CN
China
Prior art keywords
air
air supply
control module
module
fresh air
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Pending
Application number
CN202210746594.5A
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Chinese (zh)
Inventor
钟里明
钟里东
严汉生
李忠忠
钟耀锋
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN202210746594.5A priority Critical patent/CN115046277A/en
Publication of CN115046277A publication Critical patent/CN115046277A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B31/00—Containers or portable cabins for affording breathing protection with devices for reconditioning the breathing air or for ventilating, in particular those that are suitable for invalids or small children
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F24F11/526—Indication arrangements, e.g. displays giving audible indications
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
    • F24F2011/0004—Control or safety arrangements for ventilation for admittance of outside air to create overpressure in a room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/40—Pressure, e.g. wind pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • 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

Abstract

The invention provides a micro-positive pressure fresh air system for a risk avoiding room, which comprises a system main body; the system main body comprises a sensing module, a control module connected with the sensing module and an alarm module connected with the control module; the sensing module comprises an emergency button and a smoke sensor which are arranged inside and outside the danger avoiding room and can feed back signals to the control module; the plurality of emergency buttons are connected in parallel; a plurality of smoke receptors are connected in parallel. In the practical implementation process, when a fire disaster occurs, the first mode is to transmit a signal to the control module automatically through the smoke sensor, and the second mode is to transmit a signal to the control module by manually pressing an emergency button; at the moment, the fresh air system is started, the control module controls the alarm module to give an alarm, and personnel can move in the danger avoiding room after hearing the alarm, so that the danger can be avoided nearby, and the safety of the personnel can be effectively improved. Wherein the control module comprises a plc controller.

Description

Use pressure-fired new trend system between danger of keeping away
Technical Field
The invention relates to the technical field of fire danger prevention, in particular to a micro-positive pressure fresh air system for a danger prevention room.
Background
When the existing high-rise buildings are more and more, the building height is higher, but the defects brought by the high-rise buildings are gradually exposed, particularly when a fire disaster occurs, on one hand, the existing fire rescue equipment and technology are limited, even if firefighters arrive at the scene in time, the firefighters face the high-rise buildings, the firefighters are restrained, and even only a fire grief can be expected; according to statistical analysis, most casualties on the site of a fire accident fall on an escape way escaping from a fire sea site, the main causes of casualties are high temperature, oxygen deficiency and toxic and harmful gas suction, and if a micro-positive pressure fresh air system can be arranged in the danger avoiding room, the toxic and harmful gas and smoke are prevented from entering, on-site danger avoiding can be effectively realized, the rescue time of fire fighters is prolonged, and the safety of the fire fighters is improved.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
The invention aims to provide a micro-positive pressure fresh air system for a risk avoiding room, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a micro-positive pressure fresh air system for a risk avoiding room comprises a system main body; the system main body comprises a sensing module, a control module connected with the sensing module and an alarm module connected with the control module; the sensing module comprises an emergency button and a smoke sensor which are arranged inside and outside the danger avoiding room and can feed back signals to the control module; a plurality of smoke receptors are connected in parallel; the plurality of emergency buttons are connected in parallel.
The alarm module comprises a loudspeaker and a fire-fighting emergency broadcast host connected between the loudspeaker and the control module; the loudspeaker is arranged in the danger avoiding room; the fire emergency broadcast host comprises a transmitter; the loudspeakers are connected in parallel and are respectively arranged in the risk avoiding rooms.
The system main body also comprises an air supply module connected with the control module; the air supply module comprises an air supply air conditioner arranged outside the danger avoiding room; the air supply air conditioner is connected with the head end of the air supply channel; the air supply air conditioner comprises a filter screen, a fresh air host, a first electric air valve and a refrigeration module.
The air supply module comprises a second electric air valve arranged at the tail end of the air supply channel; the plurality of risk avoiding rooms are connected between the head end and the tail end of the air supply channel.
The air supply module further comprises a first switch and a second switch which are respectively arranged on the fireproof door and the fireproof window of the danger-avoiding room; the first switch is disconnected along with the opening of the fireproof door and closed along with the closing of the fireproof door; the second switch is opened along with the opening of the fireproof window and closed along with the closing of the fireproof window; the air supply module also comprises an air supply device arranged on the wall surface of the refuge room; the air supply device comprises a third electric air valve; the first switch, the second switch and the third electric air valve are connected in series and then connected with the control module.
The system main body also comprises an independent exhaust device, a lighting device and an interlocking relay connected between the independent exhaust device and the lighting device; the interlocking relay comprises a coil connected with the lighting device in parallel and a normally closed contact connected with the independent air exhausting device in series; the independent air exhaust device comprises an independent power supply and an exhaust fan.
The sensing module also comprises a pressure sensor arranged in the air supply channel; and the pressure sensor feeds the air pressure in the air supply channel back to the control module.
The system body also includes a stop switch connected to the control module.
The system body also includes a power supply box.
The air pressure range of the air supply channel is 5-40 Pa.
After adopting above-mentioned technical scheme, a keep away and use pressure-fired new trend system between danger has following beneficial effect at least:
in the practical implementation process, when a fire disaster occurs, the first mode is to transmit a signal to the control module automatically through the smoke sensor, and the second mode is to transmit a signal to the control module by manually pressing an emergency button; at the moment, the fresh air system is started, the control module controls the alarm module to give an alarm, and personnel can rapidly move into the danger avoiding room after hearing the alarm; under the action of the micro-positive pressure fresh air system, a micro-positive pressure fresh air environment is formed in the danger avoiding room, toxic and harmful gases and smoke are effectively prevented from entering the danger avoiding room, on-site danger avoiding is achieved, and the safety of personnel can be effectively improved. Wherein the control module comprises a plc controller.
Drawings
FIG. 1 is a circuit diagram of a fresh air system according to an embodiment of the present invention;
FIG. 2 is an enlarged view of area A according to an embodiment of the present invention;
FIG. 3 is a layout view of a fresh air system according to an embodiment of the present invention;
in the figure:
a feeling module 1; a control module 2; an alarm module 3; a smoke receptor 11; an emergency button 12; a speaker 31; a fire emergency broadcast host 32; a microphone 321; an air supply air conditioner 41; an air inlet 410; a strainer 411; a fresh air host 412; a first electric blast valve 413; a refrigeration module 414; a second electric damper 42; a first switch 43; a second switch 44; a third electric damper 45; a smoke outlet 46; an independent air exhaust device 5; an independent power supply 51; an exhaust fan 52; an illumination device 6; an interlock relay 7; a coil 71; a normally closed contact 72; a pressure sensor 13; a stop switch 8; a power supply box 9; an air supply passage a 1; escape booth a 2.
Detailed Description
In order to further explain the technical solution of the present invention, the following detailed description of the specific embodiments is made with reference to fig. 1-3.
A micro-positive pressure fresh air system for a risk avoiding room comprises a system main body; the system main body comprises a sensing module 1, a control module 2 connected with the sensing module 1 and an alarm module 3 connected with the control module 2; the sensing module 1 comprises an emergency button 12 and a smoke receptor 11 which are positioned inside and outside the danger avoiding room a2 and can feed back signals to the control module 2; a plurality of aerosol sensors 11 are connected in parallel; the plurality of emergency buttons 12 are connected in parallel. In the practical implementation process, when a fire disaster occurs, the smoke sensor 11 automatically transmits a signal to the control module 2, and the emergency button 12 is manually pressed to transmit a signal to the control module 2; at the moment, the fresh air system is started, the control module 2 controls the alarm module 3 to give an alarm, personnel can move into the danger avoiding room a2 after hearing the alarm, and under the action of the micro-positive pressure fresh air system, a micro-positive pressure fresh air environment is formed in the danger avoiding room a2, so that poisonous and harmful gas and smoke are effectively prevented from entering the danger avoiding room a2, on-site danger avoidance is realized, and the safety of the personnel can be effectively improved. Wherein the control module 2 comprises a plc controller.
A plurality of emergency buttons 12 or smoke receptors 11 can be activated only once in a short time; specifically, the plc controller is triggered by the emergency buttons 12 in sequence and only responds to the earliest signal, so that the influence of repeated triggering on normal work of the fresh air system is avoided.
Optionally, the alarm module 3 includes a speaker 31 and a fire emergency broadcasting host 32 connected between the speaker 31 and the control module 2; (ii) a The plurality of loudspeakers 31 are connected in parallel and are arranged in the plurality of different refuge rooms a 2; the fire emergency broadcasting host 32 includes a microphone 321. In the actual implementation process, the firefighter can transmit signals to the loudspeaker 31 in each danger avoiding room a2 through the microphone 321 of the fire emergency broadcasting host 32, and broadcast and transmit information to the personnel in the danger avoiding room a2, so as to soothe the mind of the firefighter; the end of fire information may also be reported.
Optionally, the system main body further comprises an air supply module connected with the control module 2; the air supply module comprises an air supply air conditioner 41 arranged outside the danger avoiding room a 2; the air supply air conditioner 41 is connected with the head end of the air supply channel a 1; the air supply air conditioner 41 includes a filter screen 411, a fresh air host 412, a first electric air valve 413 and a refrigeration module 414. In the practical implementation process, the control module 2 controls the air supply module to start, and supplies air through an air supply channel a1, the air supply air conditioner 41 is usually arranged outside the building, and the danger avoiding room a2 is arranged in the building and is connected through an air supply channel a 1; after the air supply module is started, the first electric air valve 413 in the normally closed state is changed into the open state, the fresh air host 412 is started to convey fresh air into the air supply channel a1, the refrigeration module 414 can reduce the temperature of the fresh air, the temperature in the danger avoiding room a2 is reduced, and the filter screen 411 can filter air.
Optionally, the air supply module comprises a second electric air valve 42 arranged at the tail end of the air supply channel a 1; the refuge room a2 is connected between the head end and the tail end of the air supply channel a 1. When an alarm occurs, the air supply module sends fresh air into the air supply channel a1, the second electric air valve 42 in the normally open state is changed into the closed state after 10-20s, and the fresh air can discharge smoke and toxic and harmful gases entering the air supply channel a1 within 10-20s, so that self-purification is realized; after the second electric air valve 42 is closed, the fresh air is continuously sent into the air supply channel a1 under the action of the fresh air host 412, and the air supply channel a1 quickly forms a fresh air environment with micro-positive pressure.
Optionally, the air supply module further includes a first switch 43 and a second switch 44 respectively disposed on the fire door and the fire window of the refuge room a 2; the first switch 43 is opened following the opening of the fire door and closed following the closing of the fire door; the second switch 44 opens following the opening of the fire window and closes following the closing of the fire window; the air supply module also comprises an air supply device arranged on the wall surface of the danger-avoiding room a 2; the air supply device comprises a third electric air valve 45; the first switch 43, the second switch 44 and the third electric air valve 45 are connected in series and then connected to the control module 2. After self-purification is completed, the danger avoiding personnel enter the danger avoiding room a2, the fireproof door and the fireproof window of the danger avoiding room a2 are closed, at the moment, the control module 2 changes the third electric air valve 45 in a normally closed state into an open state, and the micro-positive pressure fresh air enters the danger avoiding room a2 from the air supply channel a 1; the refuge room a2 is provided with a smoke outlet 46, the fresh air system can efficiently replace air in the refuge room a2, smoke and other toxic and harmful gases are effectively prevented from entering the refuge room a2, and the breathing safety of people in the refuge room a2 is ensured; on the contrary, for the other risk avoiding rooms a2 without people entering, because the fireproof door and the window are not closed, the third electric air valve 45 of the risk avoiding room a2 does not form a closed loop, and the third electric air valve 45 is not opened, so that the fresh air is effectively prevented from leaking, the micro-positive pressure fresh air environment is damaged, and the safety and the reliability of the micro-positive pressure fresh air system are ensured.
Optionally, the system main body further includes an independent air-exhausting device 5, a lighting device 6, and an interlock relay 7 connected between the independent air-exhausting device 5 and the lighting device 6; the interlock relay 7 includes a coil 71 connected in parallel with the lighting device 6 and a normally closed contact 72 connected in series with the independent air-exhausting device 5; the independent air-discharging device 5 includes an independent power supply 51 and an exhaust fan 52. In the actual implementation process, after the fresh air system is started, the control module 2 supplies power to the lighting device 6 and the coil 71, and the normally closed contact 72 is opened while lighting, so that the exhaust fan 52 cannot work; the exhaust fan 52 can work normally when the fresh air system stops, and can exhaust the air in the danger avoiding room a2 to the air supply channel a 1; after a fire occurs, the closed loop of the exhaust fan 52 is forcibly disconnected, so that the exhaust fan 52 is forced to stop working, and smoke and other toxic and harmful gases sent to the air supply channel a1 by the exhaust fan 52 can be effectively prevented from polluting fresh air; wherein the lighting device 6 is a led lamp.
Optionally, the sensing module 1 further includes a pressure sensor 13 disposed in the blowing passage a 1; the pressure sensor 13 feeds back the pressure of the fresh air in the air supply channel a1 to the control module 2. In the practical implementation process, the pressure of the fresh air in the air supply channel a1 is fed back to the control module 2 through the pressure sensor 13, and the power of the fresh air host 412 is adjusted through the control module 2, so that the amount of the fresh air entering the air supply channel a1 is adjusted, the pressure of the fresh air in the danger avoiding room a2 is constantly guaranteed to be slightly larger than the pressure of the surrounding environment of the danger avoiding room a2, under the condition of the micro-positive pressure fresh air environment, smoke and other toxic and harmful gases are effectively prevented from entering the air supply channel a1 and the danger avoiding room a2, and the breathing safety of people in the danger avoiding room a2 is guaranteed.
Optionally, the system body further comprises a stop switch 8 connected to the control module. After the fire disaster is over, the fresh air system stops working by pressing the stop switch 8, each switch and each air valve return to the initial state, and the independent exhaust device 5 can work normally.
Optionally, the system body further comprises a power supply box 9. In the actual implementation process, a power supply is provided for the fresh air system through the power supply box 9 so as to ensure the normal work of the fresh air system.
Optionally, the system body further comprises an air inlet 410, and the air inlet 410 for fresh air should be selected to be a safe location that is wide on the ground, far away from the building, and far away from the combustible objects and avoids the smoke and toxic and harmful gases.
Alternatively, a spare fresh air inlet 410 is constructed at a different safety position and connected to the air supply passage by switching.
The air pressure range of the air supply channel is 5-40 Pa.
The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.

Claims (10)

1. The utility model provides a keep away and use pressure-fired new trend system between danger which characterized in that: comprises a system main body; the system main body comprises a sensing module, a control module connected with the sensing module and an alarm module connected with the control module; the sensing module comprises an emergency button and a smoke sensor which are arranged inside and outside the danger avoiding room and can feed back signals to the control module; a plurality of smoke receptors are connected in parallel; the plurality of emergency buttons are connected in parallel.
2. The micro-positive pressure fresh air system for the refuge room according to claim 1, characterized in that: the alarm module comprises a loudspeaker and a fire-fighting emergency broadcast host connected between the loudspeaker and the control module; the loudspeaker is arranged in the danger avoiding room; the fire emergency broadcast host comprises a transmitter; the loudspeakers are connected in parallel and are respectively arranged in the risk avoiding rooms.
3. The micro-positive pressure fresh air system for the refuge room according to claim 2, characterized in that: the system main body also comprises an air supply module connected with the control module; the air supply module comprises an air supply air conditioner arranged outside the danger avoiding room; the air supply air conditioner is connected with the head end of the air supply channel; the air supply air conditioner comprises a filter screen, a fresh air host, a first electric air valve and a refrigeration module.
4. The micro-positive pressure fresh air system for the refuge room according to claim 3, characterized in that: the air supply module comprises a second electric air valve arranged at the tail end of the air supply channel; the plurality of risk avoiding rooms are connected between the head end and the tail end of the air supply channel.
5. The micro-positive pressure fresh air system for the refuge room according to claim 4, wherein: the air supply module further comprises a first switch and a second switch which are respectively arranged on the fireproof door and the fireproof window of the danger-avoiding room; the first switch is disconnected along with the opening of the fireproof door and closed along with the closing of the fireproof door; the second switch is opened along with the opening of the fireproof window and closed along with the closing of the fireproof window; the air supply module also comprises an air supply device arranged on the wall surface of the refuge room; the air supply device comprises a third electric air valve; the first switch, the second switch and the third electric air valve are connected in series and then connected with the control module.
6. The micro-positive pressure fresh air system for the refuge room according to claim 5, characterized in that: the system main body also comprises an independent exhaust device, a lighting device and an interlocking relay connected between the independent exhaust device and the lighting device; the interlocking relay comprises a coil connected with the lighting device in parallel and a normally closed contact connected with the independent air exhausting device in series; the independent air exhaust device comprises an independent power supply and an exhaust fan.
7. The micro-positive pressure fresh air system for the refuge room according to claim 6, characterized in that: the sensing module also comprises a pressure sensor arranged in the air supply channel; and the pressure sensor feeds the air pressure in the air supply channel back to the control module.
8. The micro-positive pressure fresh air system for the refuge room according to claim 7, wherein: the system body also includes a stop switch connected to the control module.
9. The micro-positive pressure fresh air system for the refuge room according to claim 8, characterized in that: the system body also includes a power supply box.
10. The micro-positive pressure fresh air system for the refuge room according to claim 9, wherein: the air pressure range of the air supply channel is 5-40 Pa.
CN202210746594.5A 2022-06-28 2022-06-28 Use pressure-fired new trend system between danger of keeping away Pending CN115046277A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210746594.5A CN115046277A (en) 2022-06-28 2022-06-28 Use pressure-fired new trend system between danger of keeping away

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210746594.5A CN115046277A (en) 2022-06-28 2022-06-28 Use pressure-fired new trend system between danger of keeping away

Publications (1)

Publication Number Publication Date
CN115046277A true CN115046277A (en) 2022-09-13

Family

ID=83163240

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210746594.5A Pending CN115046277A (en) 2022-06-28 2022-06-28 Use pressure-fired new trend system between danger of keeping away

Country Status (1)

Country Link
CN (1) CN115046277A (en)

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