31 results about "Kitchen ventilation" patented technology

A fire detection and warning system includes a kitchen exhaust hood connected to an exhaust fan configured to ventilate convective heat and cooking fumes released by one or more cooking appliances installed under the kitchen exhaust hood, the kitchen exhaust hood having a plenum. A fire suppression system is operatively connected to the hood and positioned above the one or more cooking appliances and configured to be triggered by one or more fusible links with a predefined melting temperature. At least one temperature sensor is installed inside the plenum of the kitchen exhaust hood and provides temperature measurements to a control module. The control module is configured to generate a fire warning signal in response to a fume temperature reaching a predefined temperature threshold Tset for a predefined period of time Tdur, where Tset and the time Tdur are selected based on a melting temperature rating the fusible links.

To provide a cooking system which can handle controlling of a kitchen ventilation device in automatic cooking, and to provide the kitchen ventilation device, a heating cooker, and a control method of the cooking system.SOLUTION: A cooking system 400 has a kitchen ventilation device 100, an acquisition unit 510, and a control unit 130. The acquisition unit 510 acquires cooking data including recipe information including cooking procedure and operation contents of the kitchen ventilation device 100 appropriate to the recipe information and used to perform processing selected according to the recipe information. The control unit 130 controls the kitchen ventilation device 100 based on the cooking data so as to perform the processing selected according to each recipe information.SELECTED DRAWING: Figure 5

The utility model relates to the technical field of kitchen ventilation, and provides a kitchen ventilation and air exchange device with an oil removal function, which comprises a ventilation pipe, a cleaning cover is arranged outside one end of the ventilation pipe, telescopic rods are screwed at four corners in the cleaning cover, a movable frame is arranged in the cleaning cover, and the movable frame is connected with the telescopic rods through bolts. The telescopic end of the telescopic rod is screwed and fixed with the movable frame; according to the kitchen ventilation and air exchange device with the oil removal function, the ventilation pipe is sleeved with the cleaning cover, the movable frame moves to be close to the oil contamination position, the oil contamination is scraped away through the scraping plate, the oil contamination is wiped through the cleaning cotton after being scraped away, meanwhile, the cleaning cotton can rapidly absorb moisture, drying treatment can be conducted through the heating pipe after cleaning, and meanwhile the cleaning cover is arranged on the ventilation pipe in a sleeving mode. In addition, the heating pipe can heat sticky oil dirt before cleaning, the sticky oil dirt can be melted, the scraping plate can better scrape the oil dirt conveniently, the oil dirt can be washed through the spraying frame, the viscosity of the oil dirt can be reduced easily, and the cleaning effect can be improved.

The utility model discloses commercial kitchen ventilation equipment, and relates to the technical field of kitchen ventilation equipment, the commercial kitchen ventilation equipment comprises a shell, the front end and the rear end of the shell are detachably connected with protective nets, the rear ends of the four corners of the rear end of the shell are provided with a plurality of L-shaped sliding grooves, and the top of the shell is movably connected with a loading and unloading device through the L-shaped sliding grooves; a fixing device is fixedly connected to the rear end of the interior of the shell, a driving device is fixedly connected to the front end of the fixing device, a ventilation fan is fixedly connected to the outer surface of the driving device, and a clearing device is fixedly connected to the outer surface of the driving device. The whole device can be easily disassembled, the cleaning process is more convenient, a ventilation fan and a driving device can be disassembled, the situation that the ventilation fan is not cleaned in place is effectively avoided, oil stains and dust adhering to the inner wall of the ventilation device can be cleaned together, and the ventilation device is convenient to clean. And the cleaning burden increased due to the fact that oil stains adhere to the equipment surface and the surrounding wall during manual cleaning is avoided.

The multi-mode ultra-low energy consumption building kitchen makes-up air exhaust air coupling multi-stage heat recovery system relates to the kitchen ventilation technical field.The present application solves the problems of high operation cost and maintenance workload of the existing kitchen heat recovery system, increases the complexity and installation difficulty of the system, and affects the heat recovery efficiency of the system. In the normal working mode, the make-up air and exhaust air system runs simultaneously, fresh air enters the kitchen through the make-up air channel, and waste air is discharged through the exhaust air channel. When the temperature in the exhaust air exceeds the set threshold, the control system will trigger the heat energy recovery mode. In this mode, the excess heat energy will be introduced into the heat energy storage tank to store the excess heat. During the energy demand peak period, the control system will start the energy supply mode. At this time, the heat energy in the heat energy storage tank can be released to supply the additional heat energy demand. The present application realizes heat energy recovery and efficient use of energy by coupling the kitchen make-up air and exhaust air system, heat exchange and energy storage device.

The invention provides a restaurant exhaust air recovery type kitchen ventilation system and method based on air volume self-adaption. The system comprises a restaurant ventilation subsystem, a kitchen non-open fire area ventilation subsystem and an air path switching controller. A restaurant main exhaust pipe of the restaurant exhaust fan is connected with a restaurant first exhaust branch pipe and a restaurant second exhaust branch pipe, the restaurant first exhaust branch pipe is communicated into a public walkway of a kitchen non-open fire area, a second air valve is arranged on the restaurant first exhaust branch pipe, the restaurant second exhaust branch pipe is communicated to the outside, and a third air valve is arranged on the restaurant second exhaust branch pipe; the kitchen non-open-fire area fresh air fan and the kitchen non-open-fire area indoor fresh air pipe are communicated with the kitchen non-open-fire area, a first air valve is arranged on the kitchen non-open-fire area indoor fresh air pipe, and the first air valve, the second air valve, the third air valve and the restaurant fresh air fan are all connected with the air path switching controller. The invention relates to the technical field of building ventilation and air conditioning, and can solve the problems of energy waste and uneconomical system operation in the prior art.

The present invention relates to a kitchen ventilation system (100) for regulating air quality in a kitchen space. The ventilation system (100) comprising a motorized extraction system (2) configured to extract air (10) from the kitchen space, a motorized pulsion system (3) configured to supply air (10) into the kitchen space, at least one environmental sensor unit (40, 50) configured to detect a hotspot (9) in the kitchen space; and a first controller (5) operatively connected to the sensor unit (40, 50), the extraction system (2) and the pulsion system (3). The first controller (5) is configured to receive directly or indirectly data from the at least one sensor unit (40, 50), and regulate operation of the extraction system (2) and the pulsion system (3) one the basis of the received data, such that airflow being extracted from the kitchen space by the extraction system (2) and / or airflow being supplied to the kitchen space by the pulsion system (3) changes responsive to the received data from the at least one environmental sensor unit (40, 50).

This invention relates to F24 15 / 20, specifically to an intelligent kitchen fume extraction system. The intelligent kitchen fume extraction system includes a stove, a fume hood, a temperature sensor, a main control unit, a frequency converter, an electric fume extraction regulating valve, a fan unit, an electric air conditioning fresh air regulating valve, an air conditioning fan, and a power supply for the main control unit. The intelligent kitchen fume extraction system provided by this invention facilitates data monitoring by staff, improves kitchen ventilation while achieving high efficiency and energy saving. Furthermore, through the coordinated operation of multiple modules, this invention enhances kitchen comfort and effectively prevents malfunctions, ensuring stability and reliability.

The utility model relates to the technical field of rail transit especially, a kind of motor car kitchen ventilation waste exhaust system;Including heavy oil waste gas air duct and residual waste gas air duct, the heavy oil waste gas air duct with the residual waste gas air duct is communicated and is collectively communicated to outside the car, the collection air duct end of the heavy oil waste gas air duct with the residual waste gas air duct is provided with collection fan;The heavy oil waste gas air duct is provided with heavy oil waste gas fan, heavy oil waste gas grille, heavy oil waste gas filter screen, the heavy oil waste gas grille is opened in the heavy oil waste gas air duct suction port, the heavy oil waste gas fan is set in the heavy oil waste gas air duct inside and with the heavy oil waste gas grille position compatible structure, reach the effect that the waste gas in the entire area of motor car kitchen can be collected and discharged to outside the car to avoid polluting indoor facilities and equipment, while oil fume can be filtered, it is convenient to disassemble and wash, air volume can also be adjusted.

TITLE: Heat recovery unit and kitchen ventilation system Heat recovery unit (3) comprising: a heat exchanger (34); a supply inlet (20) and a supply outlet (21) for a supply airflow (F2); an inlet compartment (32), an exhaust inlet (22) and an exhaust outlet (23), for a stale airflow (F1); and a sprayer (37) for cleaning the heat exchanger (34).According to the invention, the heat recovery unit (3) comprises a bypass duct (35) and a shut-off system (36), which, in a recovery configuration, connects the inlet compartment (32) to the heat exchanger (34) so ​​that the exhaust airflow (F1) circulates through the heat exchanger (34), and which, in a bypass configuration, fluidly connects the exhaust inlet (22) to the bypass duct (35), so that the exhaust airflow (F1) circulates through the bypass duct (35) without circulating through the heat exchanger (34). Figure 1 for the abstract.

The present invention discloses an automated residential, commercial, or professional multi-hood (multiple hoods within a single kitchen layout or a single building) kitchen ventilation system. This system is designed to enhance energy efficiency by integrating one or more thermal cameras in combination with variable airflow valves to regulate extraction and pulsion motor speeds. In kitchens where a single motor serves multiple hoods, the system employs thermal cameras to detect hotspots, considering factors such as size, temperature, location and thermal patterns, including changes in temperature, size, or location of hotspots over a period of time. The thermal data is being processed by a hood controller to calculate the demand of the hood. These individual demands are being recalculated by a central controller to an overall motor speed and airflow valve positions for each individual hood to dynamically optimize ventilation output based on real-time cooking conditions. By precisely modulating airflow in response to detected hotspots, the system minimizes noise and energy consumption while ensuring effective ventilation throughout the kitchen space. The innovative combination of thermal imaging technology and Variable airflow valves offers significant improvements in energy efficiency, operational performance for residential, commercial or professional kitchen environments and wellbeing of kitchen personnel.

The invention relates to a storage unit for carbon capture technology integrated into building ventilation systems (HVAC), particularly kitchen hood and extractor systems.

The utility model belongs to the house car kitchen equipment technical field, concretely relates to a kitchen ventilation system for house car, including kitchen backboard, one side of kitchen backboard is fixedly connected with ventilation board, the inside of ventilation board is rotatably connected with fan, the both sides of kitchen backboard close to ventilation board are provided with closed subassembly, detachable subassembly is arranged on ventilation board, closed subassembly includes the strip -shaped groove of being opened in the both sides of kitchen backboard close to ventilation board, the bottom of two strip -shaped grooves is opened with rectangle slot, the both sides of rectangle slot inner wall are rotatably connected with two -way screw rod, one side of kitchen backboard is fixedly installed with motor and the output of motor is fixedly connected on two -way screw rod. The utility model can be tightly closed exhaust port under non -exhaust state, effectively insulate the invasion of outside dust, peculiar smell, rain and insect, thereby maintain the cleanliness of kitchen and the health safety of food, provide more healthy, comfortable cooking environment for house car user.

The invention belongs to the technical field of exhaust fans, and particularly relates to an energy-saving exhaust fan based on kitchen ventilation, which comprises a main body and a flushing assembly arranged on the main body, and further comprises a thermal expansion and cold contraction desorption mechanism and an energy-saving assembly, the thermal expansion and cold contraction desorption mechanism is arranged on the main body, and the energy-saving assembly is arranged on the main body; the thermal expansion and cold contraction desorption mechanism comprises a steam heating assembly, a cold fog cooling assembly and a channel assembly, the steam heating assembly is arranged on the thermal expansion and cold contraction desorption mechanism, the cold fog cooling assembly is arranged on the thermal expansion and cold contraction desorption mechanism, and the channel assembly is arranged on the thermal expansion and cold contraction desorption mechanism; through the arrangement of the thermal expansion and cold contraction desorption mechanism, the thermal stress and shear stress difference is generated between the metal surface and an oil film through the temperature difference generated by the steam heating assembly and the cold fog cooling assembly, the oil film automatically cracks and peels off, the whole process does not depend on a chemical cleaning agent, and the device is safe, environmentally friendly and suitable for being used in families and commercial kitchens.

To provide a cooking system which can prevent or inhibit remote control from being performed by a person other than a cook while maintaining the remote control by the cook, and to provide a kitchen ventilation device, a heating cooker, and a control method of the cooking system.SOLUTION: In a cooking system, an operation command for an operation object device is acquired from the outside of the cooking system and whether or not cooking is performed in the cooking system is determined. Information on a cook of the cooking system is acquired, the cook is identified based on the information. Then, whether or not the operation command from the outside which is acquired during cooking in the cooking system is an operation command by the cook is determined based on a result of the identification. When it is determined that the operation command is the operation command by the cook, an operation for the operation object device based on the operation command is performed. On the other hand, when it is determined that the operation command is not the operation command by the cook, the operation for the operation object device based on the operation command is not performed.SELECTED DRAWING: Figure 5

The utility model relates to the technical field of kitchen ventilation, and provides a kitchen ventilation device convenient to install, according to the design, two sets of independent screwing assemblies are arranged on the two sides of a ventilation bin respectively, a screwing disc is screwed to drive a screwing rod to rotate, and then first conical teeth located at the tail end of the screwing rod rotate synchronously; at the moment, a lifting sliding seat in threaded connection to the outer side of a threaded rod rotates along with the threaded rod to synchronously move until a mounting pressing block on one side of the lifting sliding seat is sequentially separated from a pin groove and an insertion groove, and at the moment, a worker can quickly take down the filter plate from the inner side of the ventilation bin and clean the filter plate; similarly, the second conical teeth can move and sequentially penetrate through the insertion grooves and the pin grooves to complete the fixed mounting work of the filter plate on the inner side of the ventilation bin by rotating the screwing rod reversely, and through the design, workers can rapidly complete the dismounting work of the filter plate; and meanwhile, the filter plate is not easy to shake due to the influence of air supply of the fan plate when being fixedly mounted on the inner side of the ventilation bin.

The utility model discloses a kitchen ventilation device which is arranged above a range hood device and comprises a machine shell, a first fan and an air curtain pipe set, and the first fan and the air curtain pipe set are arranged in the machine shell. The first fan is used for introducing air outside a kitchen and outputting the air through the air curtain pipe group; the portion, corresponding to the front side of the range hood device, of the machine shell is provided with at least one front air curtain opening, the portions, corresponding to the two sides of the range hood device, of the machine shell are each provided with at least one side air curtain opening, and the air curtain pipe set is connected with the first draught fan, the front air curtain openings and the side air curtain openings. The front air curtain opening and the side air curtain openings are used for forming air curtains on the front side and the two sides of the range hood device. The utility model further discloses kitchen integrated equipment. The oil press device has the beneficial effects that the oil fume can be surrounded, the oil fume absorption efficiency of the oil press device is improved, and the oil fume is prevented from escaping to pollute the air quality of a kitchen environment.

The present invention relates to an automated residential, commercial or professional kitchen ventilation system designed to optimize energy consumption, noise and kitchen air quality by intelligently regulating extraction and pulsion motors based on real-time thermal data. One or more thermal cameras (4) are employed to detect hotspots within the kitchen environment, analyzing their temperature, size, quantity, and thermal patterns. This information serves as input for a centralized controller, which dynamically adjusts the operation of extraction (2) and pulsion (3) systems to match the specific ventilation requirements. The system integrates seamlessly with both new or existing kitchen setups, and by using multiple thermal cameras (4), it accommodates various kitchen layouts and cooking activities. By controlling ventilation components in response to detected thermal conditions, the system minimizes unnecessary energy consumption while ensuring effective ventilation. The innovative approach offers significant energy savings, kitchen personnel wellbeing and enhances overall kitchen operational efficiency.

The kitchen ventilation device comprises a machine shell, a first fan, a second fan and a heat exchange system, wherein the first fan, the second fan and the heat exchange system are arranged in the machine shell; the first fan is used for introducing air outside a kitchen, the second fan is used for introducing air inside the kitchen, the heat exchange system comprises a first heat exchange unit and a second heat exchange unit which form a refrigerant reversible circulation loop, and the first heat exchange unit is used for exchanging heat with the air outside the kitchen introduced by the first fan; the second heat exchange unit is used for carrying out heat exchange with air in the kitchen introduced by the second fan; the machine shell is provided with at least one air curtain opening used for outputting air outside the kitchen subjected to heat exchange through the first heat exchange unit and forming an air curtain. The invention further discloses room integrated equipment based on the kitchen ventilation device and a control method. The air curtain has the beneficial effects that the air outside the kitchen forming the air curtain is heated or cooled, so that the temperature of the air curtain is in a state suitable for a user.

The invention relates to a ventilation device for an assembled kitchen, and belongs to the technical field of kitchen ventilation and air supplementation, the ventilation device comprises a window frame, a gauze element arranged on the inner side of the window frame, and mounting through grooves horizontally formed in cross beams on the upper side and the lower side of the window frame, and a flow guide assembly comprises a fan-shaped frame, an elastic self-rolling shaft, a flexible film wound on the elastic self-rolling shaft and a driving mechanism. Mounting through grooves are formed in the window frame, the fan-shaped frames are horizontally arranged in the mounting through grooves respectively, the elastic self-winding shaft is vertically arranged on a stand column on one side of the window frame, and the driving mechanism is arranged on the window frame. The fan-shaped frame supports the flexible film to form a vertical flow guide channel, so that the flowing direction of air entering a kitchen from a window is changed, the air is prevented from impacting lampblack and steam moving upwards, and the device can be directly installed on the window of the kitchen to be used so as to meet the requirements for low cost and high efficiency of kitchen ventilation and air supplement.

This utility model relates to a flue fireproof backflow preventer, comprising a valve body, a valve plate, and a hinge mechanism, as well as a valve plate locking mechanism. The valve plate locking mechanism includes a hinge seat, a locking element, a fusible link, and a limiting element. The hinge seat is mounted on the valve body. One end of the locking element is hinged to the hinge seat via a locking torsion spring. The locking element has a through hole, through which the free end of the fusible link passes and connects to the limiting element. The fusible link includes a first fusible link and a second fusible link. The limiting element is mounted on the first fusible link, and the second fusible link is connected to the hinge seat. The valve body has a positioning hole for the hinge seat or the second fusible link to extend. This utility model has a simple structure and is easy to operate. It can meet the requirements of normal kitchen ventilation and exhaust of smoke to the public flue, prevent the backflow of high-temperature smoke in the public flue, and prevent high-temperature smoke from entering the public flue during a kitchen fire. It can effectively prevent the spread of fire, giving this flue fireproof backflow preventer high fire resistance and wider application.

This utility model discloses a heat exchange system applied to a kitchen ventilation device. It includes a first heat exchange unit, a second heat exchange unit, a refrigerant pipeline, and a power pump. The refrigerant pipeline connects the first and second heat exchange units to form a reversible refrigerant circulation loop. The first and second heat exchange units have a height difference. Refrigerant circulation in one direction of the heat exchange system is achieved by gravity due to the height difference, while refrigerant circulation in the other direction is achieved by the power pump. The first heat exchange unit is used for heat exchange with outside air in the kitchen, and the second heat exchange unit is used for heat exchange with inside air in the kitchen. Outside air is output to the kitchen environment. This utility model also discloses a kitchen ventilation device and integrated kitchen equipment. The advantages of this utility model are that it ensures a suitable air temperature introduced into the kitchen environment and has low energy consumption.

To provide a system which enables reduction of operation of a cook conducted during proceeding of a cooking guide.SOLUTION: A cooking system 400 has an acquisition unit 510, cooking state detection units 135, 235, and a control unit 500. The acquisition unit acquires cooking data which includes recipe information including a cooking procedure and is used to perform a cooking guide selected according to the recipe information. The cooking state detection units detect a cooking state of a cooked object. The control unit exercises control based on the cooking data to perform the cooking guide selected according to the recipe information. The cooking data includes: a plurality of steps which are sequenced in advance according to the cooking procedure; and step transition conditions for determining whether or not it is possible to make a transition from a current step to a next step. The control unit compares the cooking state of the cooked object detected by the cooking state detection unit in the current step with the step transition condition to perform the cooking guide in the next step when the cooking state of the cooked object detected by the cooking state detection unit satisfies the step transition condition in the current step.SELECTED DRAWING: Figure 5

This utility model relates to the technical field of kitchen ventilation systems and discloses an energy-saving kitchen ventilation system, including a range hood. A ventilation duct is connected to the top of the range hood. Both the head and tail of the ventilation duct are equipped with air pressure display components. Each air pressure display component includes a cylinder. A cylinder is fixedly sleeved on the outside of the ventilation duct, and a first piston is movably sleeved inside the cylinder. A moving rod is fixedly installed on one side of the first piston. This energy-saving kitchen ventilation system, by having air pressure display components at both the head and tail of the ventilation duct, generates air pressure when airflow passes through the head and tail of the ventilation duct. This pressure compresses the first piston, causing the moving rod to extend out of the cylinder. By observing the length of the extended moving rod at the head and tail of the ventilation duct, the air pressure at the head and tail of the ventilation duct can be determined, allowing the user to understand whether there is a blockage in the middle of the ventilation duct and to address it promptly.

The utility model relates to the technical field of kitchen ventilation, in particular to a closed kitchen mechanical exhaust device which comprises a smoke collecting hopper, a smoke collecting box is fixedly installed on the top of the smoke collecting hopper, the bottom of the smoke collecting box is communicated with the interior of the smoke collecting hopper, and a control module and an oxygen sensor are fixedly installed on the top of the smoke collecting box. An air inlet smoke guiding mechanism is mounted on the smoke collecting hopper and the smoke collecting box, and a smoke discharging mechanism is mounted on the smoke collecting box; the air inlet smoke guiding mechanism comprises an air inlet fan, an air conveying pipe, an annular pipe, a connecting pipe, an air outlet and an air inlet pipe, and the annular pipe is fixedly installed at the bottom in the smoke collecting hopper. According to the mechanical air exhaust device for the closed kitchen, the smoke exhaust speed and the smoke exhaust effect of the closed kitchen can be effectively improved, the air quality in the kitchen is improved, external air participates, and the environment is protected. The oxygen content in the kitchen can be prevented from being reduced, carbon monoxide generated by insufficient gas combustion is prevented, and the ventilation and smoke exhaust effects of the sealed kitchen are improved.

The utility model discloses a kitchen ventilation device which comprises a partition wall arranged on the periphery of a kitchen, a suspended ceiling is arranged on the top of the partition wall, a stainless steel transfer box is installed in the suspended ceiling, and a stainless steel round air pipe is connected to the stainless steel transfer box. The end, away from the stainless steel transfer box, of the stainless steel circular air pipe is connected with an anti-explosion pipeline fan, the anti-explosion pipeline fan is connected with a stainless steel flexible connecting pipe, the stainless steel flexible connecting pipe is connected with a wind-proof and rain-proof elbow through the stainless steel circular air pipe, and the wind-proof and rain-proof elbow extends out of the partition wall. And the bottom of the stainless steel transfer box is connected with an ultra-thin stainless steel rectangular finished vertical air pipe. According to the utility model, the ultrathin stainless steel rectangular finished vertical air pipe is adopted, and the air outlet and the propane detector are arranged at the lower part of the ultrathin stainless steel rectangular finished vertical air pipe, so that the device has an accident ventilation function of quickly detecting leaked liquefied petroleum gas and quickly discharging the leaked liquefied petroleum gas from the lower part; therefore, accidents such as explosion caused by the fact that leaked liquefied petroleum gas is not discharged in time and gathered on the lower portion of a kitchen are avoided.

The utility model relates to the technical field of kitchen ventilation, in particular to a kitchen ventilation device with an oil removal function, which comprises a ventilation device mounting main shell, a controller is mounted on the side surface of the ventilation device mounting main shell, and a clamping connecting shaft is mounted on the front surface of the ventilation device mounting main shell. And a protective opening and closing door is mounted on the surface of the side edge of the clamping connecting shaft. According to the kitchen ventilation device with the oil removal function, through mutual cooperation of the arranged clamping positioning plate and the installation opening, after a bolt is inserted into the installation opening, the ventilation device installation main shell can be used and installed, and through mutual cooperation and use of a pull handle and a protection type opening and closing door, the ventilation device can be conveniently and rapidly installed; after the protective opening and closing door is opened, gas generated in a kitchen can be used and absorbed through an output motor and fan blades after the fan blades rotate, and oil can drop into a protective storage shell through an oil absorption material plate.

To provide a ventilation device for kitchen which allow a user to know a state of ambient air.SOLUTION: A ventilation device 100 includes a ventilation part for ventilating a kitchen, an acquisition part 131 which acquires air information related to at least one of indoor air within a room in which the kitchen is provided and outdoor air outside the room, and an output part 132 which outputs the acquired air information.SELECTED DRAWING: Figure 7

The utility model discloses a fume exhaust ventilation cover, which relates to the technical field of kitchen ventilation equipment, and comprises a protective cover, a hollow ventilation pipe, a shutter, an illuminating lamp and a switch, the fume exhaust ventilation cover consists of the protective cover, the hollow ventilation pipe, the shutter, the illuminating lamp and the switch, the hollow ventilation pipe is arranged on the upper side wall of the protective cover, and the shutter is arranged on the lower side wall of the protective cover. A shutter is installed on the inner side wall of the protective cover, an illuminating lamp is installed on the lower side wall of the protective cover, a switch is installed on the outer side wall of the protective cover, the hollow ventilation pipe is slidably connected with a first sliding block through a sliding groove in the lower side wall, the lower side wall of the first sliding block is detachably and fixedly connected with a limiting block, and a sealing block is installed on the outer side wall of the hollow ventilation pipe. A protection assembly is installed on the inner side wall of the hollow ventilation pipe, and a protection assembly is installed on the inner side wall of the hollow ventilation pipe. The protective net of the protective assembly can prevent mosquitoes and dust, and the mosquitoes and the dust are prevented from entering the protective cover from the hollow ventilation pipe.

To provide an information processing unit and a ventilation device for kitchen which allow a user to know a state of operating equipment.SOLUTION: A ventilation device 100 includes an acquisition part 131 which acquires equipment information related to an operation state of equipment including at least one of a ventilation device 100 and a heating cooker 200, and an output part 132 which outputs the acquired equipment information.SELECTED DRAWING: Figure 7