CN117537426A - Passive ventilation equipment for kitchen and ventilation method thereof - Google Patents
Passive ventilation equipment for kitchen and ventilation method thereof Download PDFInfo
- Publication number
- CN117537426A CN117537426A CN202311462721.XA CN202311462721A CN117537426A CN 117537426 A CN117537426 A CN 117537426A CN 202311462721 A CN202311462721 A CN 202311462721A CN 117537426 A CN117537426 A CN 117537426A
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- Prior art keywords
- kitchen
- air inlet
- air
- preheating box
- passive
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- 238000009423 ventilation Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 3
- 241000238631 Hexapoda Species 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010411 cooking Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
- A01M29/34—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water specially adapted for insects
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
-
- 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
- F24F7/065—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 fan combined with single duct; mounting arrangements of a fan in a duct
-
- 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
- F24F7/00—Ventilation
- F24F2007/001—Ventilation with exhausting air ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Insects & Arthropods (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Birds (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a passive ventilation equipment for a kitchen and a ventilation method thereof, comprising the following steps: the embedded pipe joint is embedded in the kitchen outer wall and is provided with an indoor end and an outdoor end which are opposite to each other, the outdoor end is connected with an air inlet pipe, and a flue check valve is arranged in the air inlet pipe; the preheating box is arranged in the room, the preheating box is provided with an air inlet and an air outlet which are opposite, the air inlet is hermetically arranged at the inner end of the room, and a heating element and a temperature sensor are arranged in the preheating box; an electric shutter installed at the exhaust port; and the controller is arranged on the preheating box and is connected with the heating element, the temperature sensor and the electric shutter. The invention solves the problems that when a kitchen is used under the condition of closing doors and windows, air leaks at various gaps due to air pressure difference formed between the indoor and the outdoor, and the gaps are easy to become large after a long time.
Description
Technical Field
The invention relates to the technical field of indoor ventilation equipment, in particular to passive ventilation equipment for a kitchen and a ventilation method thereof.
Background
Because the range hood in the residential kitchen is a unidirectional device for exhausting air outside the image, under the condition that doors and windows in the residence are tightly closed, especially in winter, the outside air temperature is lower and is below zero, when the kitchen is used for cooking, the range hood is started to exhaust air outside, at the moment, the indoor air pressure is reduced, the outdoor air pressure is high, the outside air pressure can enter the room through various gaps, and air leakage is caused at various positions of doors, windows and the like. There is no ventilating device in market for balancing the exhaust pressure difference of fume exhaust fan.
Disclosure of Invention
In order to overcome the defects existing in the prior art, the invention provides a passive ventilation device for a kitchen and a ventilation method thereof, so as to solve the problem that various gaps are leaked due to the fact that air pressure difference is formed between the indoor and the outdoor of a kitchen when the kitchen is closed by using a range hood, and the gaps are easily enlarged after a long time.
To achieve the above object, there is provided a passive ventilation device for a kitchen, comprising:
the embedded pipe joint is embedded in the kitchen outer wall and is provided with an indoor end and an outdoor end which are opposite to each other, the outdoor end is connected with an air inlet pipe, and a flue check valve is arranged in the air inlet pipe;
the preheating box is arranged in the room, the preheating box is provided with an air inlet and an air outlet which are opposite, the air inlet is hermetically arranged at the inner end of the room, and a heating element and a temperature sensor are arranged in the preheating box;
an electric shutter installed at the exhaust port;
and the controller is arranged on the preheating box and is connected with the heating element, the temperature sensor and the electric shutter.
Further, a port of the air inlet pipe, which is far away from the embedded pipe joint, is arranged downwards.
Further, the air inlet pipe is an elbow pipe.
Further, an insect-proof net is installed at the port.
Further, an air filter screen is arranged in the embedded pipe section.
Further, the heating element is a PTC heater.
Further, a flame-retardant protective net is arranged in the air inlet.
The invention provides a ventilation method of a passive ventilation device for a kitchen, which comprises the following steps:
starting the smoke exhaust ventilator in a kitchen to enable the indoor air pressure of the kitchen to be smaller than the outdoor air pressure;
the flue check valve in the pre-buried pipe section is passively opened, so that outdoor air flow enters the pre-buried pipe section through the air inlet pipe and is discharged into the preheating box;
a temperature sensor in the preheating box collects real-time temperature values of air flow in the preheating box;
the controller obtains the real-time temperature value, and when the real-time temperature value is smaller than a preset threshold value, a heating element in the preheating box is started, so that the temperature of the air flow in the preheating box is increased;
the controller opens the electric shutter such that the warmed air flow is adjusted in a direction of the air flowing through the electric shutter and then enters the kitchen to balance the indoor air pressure of the kitchen.
The passive ventilation equipment for the kitchen has the beneficial effects that by arranging the air inlet pipe, the embedded pipe joint, the preheating box and the controller, when the indoor air pressure difference is outside, the outside air can automatically enter through the air inlet pipe and the embedded pipe joint, and the real-time temperature of the air is monitored through the temperature sensor, so that the controller can automatically monitor the temperature change, and when the temperature is low, the heating element can be started to heat, the temperature of the air inlet can be manually regulated, the temperature comfort of the air inlet is ensured, and the expansion of gaps in the kitchen is avoided.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is a schematic structural view of a passive ventilation device for kitchen according to an embodiment of the present invention.
Fig. 2 is an exploded view of a passive ventilation device for kitchen according to an embodiment of the present invention.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 and 2, the present invention provides a passive ventilation device for a kitchen, comprising: the preheating device comprises a pre-buried pipe joint 1, a preheating box 2, an electric shutter 3 and a controller 4.
Wherein, the embedded pipe joint 1 is embedded in the kitchen outer wall. The embedded pipe joint 1 is provided with an indoor end and an outdoor end which are opposite. The outdoor end is connected with an air inlet pipe 11. A flue check valve is arranged in the air inlet pipe 11.
The preheating tank 2 is provided indoors. The preheating box 2 is provided with an air inlet and an air outlet which are opposite. The air inlet of the preheating tank 2 is arranged at the indoor end in a sealing way. A heating element 21 and a temperature sensor are installed in the preheating tank 2.
The electric louver 3 is installed at the exhaust port of the preheating tank 2.
The controller 4 is mounted on the preheating tank 2. The controller 4 is connected to the heating element 21, the temperature sensor and the electric blind 3.
In this embodiment, an end of the air inlet pipe 11, which is far from the embedded pipe section 1, is disposed downward.
As a preferred embodiment, the air inlet pipe 11 is an elbow pipe.
An insect-proof net is installed at one port of the air inlet pipe 11.
As a preferred embodiment, an air filter 14 is installed in the pre-buried pipe section 1.
As a preferred embodiment, the heating element 21 is a PTC heater.
As a preferred embodiment, a flame-retardant protective net is arranged in the air inlet.
According to the kitchen passive ventilation equipment, one port (port of the air inlet end) of an air inlet pipe of the kitchen passive ventilation equipment is provided with a 304 stainless steel insect-proof net which is welded with the air inlet pipe, and the other end of the air inlet pipe is provided with a one-way opening flue check valve. The flue check valve is made of ABS material, is fixedly connected with the air inlet pipe, and is provided with a decorative ring outside, wherein the outer diameter of the decorative ring is 2cm larger than that of the air inlet pipe. The other end of the air inlet pipe is fixed with the embedded pipe joint by a screw.
The outside of the embedded pipe joint is a steel sleeve embedded in the construction stage of the main body structure. The inner diameter of the steel sleeve pipe is larger than the outer diameter of the embedded pipe joint by 1cm. The length of the embedded pipe joint is the total thickness of the steel sleeve and the inner and outer wall heat insulation and decoration layers is +15mm. And the other end of the embedded pipe joint is provided with a PM2.5 air filter screen. The circumferential ring of the PM2.5 air filter screen is provided with a rubber U-shaped groove which is connected with the embedded pipe joint in a socket-spigot manner. The other end of the pre-buried pipe joint and the PM2.5 air filter screen are combined together to be connected with an air inlet of the preheating box. The flame-retardant protective net is arranged in the air inlet and is used for protecting the PM2.5 air filter screen.
The PTC heater (PTC ceramic heating element) and the flame-retardant protective net, the electric shutter of the electric shutter are fixed on an internal circular ring structure, the periphery of the PTC heater is seamless, and the PTC heater is concentric with the embedded pipe joint, so that the wind is prevented from overflowing. A controller is fixed on the preheating box. The controller is connected with a power line and a plug. The controller is connected with the temperature sensor, the PTC heater and the electric shutter through signals. The preheating box shell is made of flame-retardant PP material.
The working principle of the passive ventilation equipment for the kitchen is as follows: when the kitchen cooking starts the range hood, the indoor shape is subjected to pressure difference, so that a flue check valve in the air inlet pipe is opened, and outdoor air enters the preheating box through the air inlet pipe, the embedded pipe joint and the air filter screen. When the temperature sensor in the preheating box senses that the temperature of the air entering outdoors is lower than 20 ℃, the controller starts the PTC heater to heat, the temperature of the air entering indoors is raised, and finally the air after the temperature rise enters a kitchen through the wind direction adjusting louver of the electric louver, the wind direction entering can be adjusted through the wind direction adjusting louver, and the four wind direction adjustment can be performed. The control panel on the preheating box shell is provided with a temperature display screen, a temperature up-down adjusting button and a power button, so that the temperature of the indoor air can be controlled, and the heating function can be closed, thereby realizing the passive ventilation function, balancing the indoor and outdoor air pressure, and avoiding the risk that the external air pressure is overlarge and enters the room from various gaps.
The invention provides a ventilation method of a passive ventilation device for a kitchen, which comprises the following steps:
s1, starting the smoke exhaust ventilator in a kitchen, so that the indoor air pressure of the kitchen is smaller than the outdoor air pressure.
S2, a flue check valve in the pre-buried pipe joint 1 is passively opened, so that outdoor air flow enters the pre-buried pipe joint 1 through the air inlet pipe 11 and is discharged into the preheating box 2.
S3, a temperature sensor in the preheating box 2 collects real-time temperature values of air flow in the preheating box 2.
And S4, the controller 4 acquires a real-time temperature value, and when the real-time temperature value is smaller than a preset threshold value, the heating element 21 in the preheating box 2 is started, so that the temperature of the air flow in the preheating box 2 rises.
S5, the controller 4 opens the electric shutter 3, so that the air flow after temperature rise enters the kitchen after wind direction adjustment through the electric shutter 3 to balance the indoor air pressure of the kitchen.
The steel sleeve is embedded in the main structure construction stage of the passive ventilation equipment for the kitchen, the steel sleeve is embedded in the shear wall near a kitchen window, the passive ventilation equipment for the kitchen can be directly installed indoors after post-construction, the steel sleeve is connected and installed through main components such as an air inlet pipe, an embedded pipe joint and a preheating box, and the sleeve and the embedded pipe joint are densely filled by adopting two sealing rubber rings and foaming agents, so that the installation is convenient and quick.
According to the passive ventilation equipment for the kitchen, the air inlet pipe, the embedded pipe joint, the preheating box and the controller are arranged, when the indoor air is outside the air pressure difference, the outside air can automatically enter through the air inlet pipe and the embedded pipe joint, the real-time temperature of the air is monitored through the temperature sensor, so that the controller can automatically monitor the temperature change, the heating element can be started to heat when the temperature is low, the temperature of the air inlet can be manually adjusted, the temperature comfort of the air inlet is ensured while the natural ventilation is achieved, and the expansion of gaps in the kitchen is avoided.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (8)
1. A passive ventilation device for a kitchen, comprising:
the embedded pipe joint is embedded in the kitchen outer wall and is provided with an indoor end and an outdoor end which are opposite to each other, the outdoor end is connected with an air inlet pipe, and a flue check valve is arranged in the air inlet pipe;
the preheating box is arranged in the room, the preheating box is provided with an air inlet and an air outlet which are opposite, the air inlet is hermetically arranged at the inner end of the room, and a heating element and a temperature sensor are arranged in the preheating box;
an electric shutter installed at the exhaust port;
and the controller is arranged on the preheating box and is connected with the heating element, the temperature sensor and the electric shutter.
2. The passive ventilation device for kitchen according to claim 1, wherein an end of the air intake pipe far from the pre-buried pipe section is disposed downward.
3. A passive kitchen ventilator according to claim 2, wherein the air inlet duct is an elbow duct.
4. A passive kitchen ventilation device according to claim 2, characterized in that the one port is fitted with an insect screen.
5. The passive ventilation device for kitchen according to claim 1, wherein an air filter screen is installed in the pre-buried pipe section.
6. A passive kitchen ventilation device according to claim 1, characterized in that the heating element is a PTC heater.
7. The passive ventilation device for kitchen according to claim 1, wherein a flame retardant protection net is installed in the air inlet.
8. A method of ventilating a passive ventilation device for a kitchen according to any one of claims 1 to 7, comprising the steps of:
starting the smoke exhaust ventilator in a kitchen to enable the indoor air pressure of the kitchen to be smaller than the outdoor air pressure;
the flue check valve in the pre-buried pipe section is passively opened, so that outdoor air flow enters the pre-buried pipe section through the air inlet pipe and is discharged into the preheating box;
a temperature sensor in the preheating box collects real-time temperature values of air flow in the preheating box;
the controller obtains the real-time temperature value, and when the real-time temperature value is smaller than a preset threshold value, a heating element in the preheating box is started, so that the temperature of the air flow in the preheating box is increased;
the controller opens the electric shutter such that the warmed air flow is adjusted in a direction of the air flowing through the electric shutter and then enters the kitchen to balance the indoor air pressure of the kitchen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311462721.XA CN117537426A (en) | 2023-11-06 | 2023-11-06 | Passive ventilation equipment for kitchen and ventilation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311462721.XA CN117537426A (en) | 2023-11-06 | 2023-11-06 | Passive ventilation equipment for kitchen and ventilation method thereof |
Publications (1)
Publication Number | Publication Date |
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CN117537426A true CN117537426A (en) | 2024-02-09 |
Family
ID=89789076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202311462721.XA Pending CN117537426A (en) | 2023-11-06 | 2023-11-06 | Passive ventilation equipment for kitchen and ventilation method thereof |
Country Status (1)
Country | Link |
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CN (1) | CN117537426A (en) |
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2023
- 2023-11-06 CN CN202311462721.XA patent/CN117537426A/en active Pending
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