CN209926404U

CN209926404U - Waterproof residual range hood

Info

Publication number: CN209926404U
Application number: CN201822204769.1U
Authority: CN
Inventors: 吴先锋; 李桂玉
Original assignee: Nanjing Ying Wei Science And Technology Service Co Ltd
Current assignee: Nanjing Ying Wei Science And Technology Service Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2020-01-10
Anticipated expiration: 2028-12-26
Also published as: DE202019101197U1

Abstract

The application provides a waterproof range hood that remains, including shell, exhaust pipe, fan, blowing pipeline and controller. When cooking, the controller controls the fan to rotate forwards, so that air flowing to the outside is generated in the smoke exhaust pipeline, and oil smoke generated by the cooker is absorbed. After the cooker is cleaned, the controller firstly controls the electric shutter to close and plug the smoking port. And then the fan is controlled to rotate reversely, so that air flowing to the indoor is generated in the smoke exhaust pipeline, air is blown to the pot from the air blowing port through the air blowing pipeline, and evaporation of residual moisture in the pot is accelerated. The application provides a range hood is remained in waterproof, through addding the pipeline that blows of intercommunication exhaust pipe to utilize the fan reversal, make range hood can blow the air current to the pan, make remaining moisture rapid evaporation on the pan, maintain the pan dry, thereby avoid the pan to rust because of remaining moisture, solve traditional pan and remain moisture after wasing, make the easy rusty problem of pan.

Description

Waterproof residual range hood

Technical Field

The application relates to the technical field of smart homes, in particular to a waterproof residual range hood.

Background

In the life, need wash the clearance to the pan after cooking the end at every turn, often remain moisture in the pan after wasing, if not clear up in time, under the effect of remaining moisture, the pan rusts very easily. In order to avoid the pot rusting, the pot needs to be cleaned through the cleaning cloth after being cleaned every time, and residual water on the pot is wiped. In practical application, the residual moisture in the pot can be removed by reheating or vertically placing the pot. Therefore, the existing method not only brings inconvenience to users, but also can scald users due to the fact that the cookware has waste heat after cooking is finished every time.

In order to avoid rusting of the pot, the pot material can be prevented from contacting with air and residual water by arranging a coating, such as polytetrafluoroethylene, on the inner surface of the pot. However, the coating on the surface of the pot is easily damaged during cooking, so that a user has to use a wooden slice or a plastic slice, which is also inconvenient. In addition, if the coating on the pot is poor in quality, harmful substances can be decomposed and generated under the respective high-temperature and acidic conditions, and the food health is affected.

SUMMERY OF THE UTILITY MODEL

The application provides a waterproof range hood that remains to solve traditional pan and remain moisture after wasing, make the easy rusty problem of pan.

The application provides a waterproof residual range hood, which comprises a shell, a smoke exhaust pipeline and a fan, wherein the fan is arranged on the smoke exhaust pipeline to form airflow in the smoke exhaust pipeline; the range hood also comprises an air blowing pipeline and a controller;

the blowing pipeline is communicated with the smoke exhaust pipeline above the electric shutter, extends from the smoke exhaust pipeline to a blowing port, and is arranged at the bottom of the shell and close to the placement position of the pot; the controller is connected respectively the fan with electronic shutter, in order to control electronic shutter shutoff smoke absorption mouth, and control the fan reversal operation, through blow the pipeline to the pan carries the air current.

In practical application, when normal cooking is carried out, the controller controls the fan to rotate forwards, so that air flowing to the outside is generated in the smoke exhaust pipeline, and oil smoke generated by the cooker is absorbed. After the cooker is cleaned, the controller firstly controls the electric shutter to close and plug the smoking port. And then the fan is controlled to rotate reversely, so that air flowing to the indoor is generated in the smoke exhaust pipeline, air is blown to the pot from the air blowing port through the air blowing pipeline, and evaporation of residual moisture in the pot is accelerated. The application provides a range hood is remained in waterproof, through addding the pipeline that blows of intercommunication exhaust pipe to utilize the fan reversal, make range hood can blow the air current to the pan, make remaining moisture rapid evaporation on the pan, maintain the pan dry, thereby avoid the pan to rust because of remaining moisture, solve traditional pan and remain moisture after wasing, make the easy rusty problem of pan.

Drawings

Fig. 1 is a schematic structural view of a water residue-proof range hood according to the present application;

fig. 2 is a front sectional structure view of the waterproof residue range hood of the present application;

FIG. 3 is a side view cross-sectional structure diagram of the waterproof residue range hood of the present application;

FIG. 4 is a schematic view of an electric blind according to the present application;

fig. 5 is a schematic perspective view of the range hood with waterproof residue.

Detailed Description

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a range hood with waterproof residue, and fig. 2 is a front sectional structural diagram of the range hood with waterproof residue. The application provides a waterproof range hood that remains, including shell 1, exhaust pipe 2 and fan 3.

Wherein, the shell 1 is used for installing and protecting internal components. As shown in fig. 1 and 5, the housing 1 in the present application may include three portions, i.e., an upper portion, a middle portion, and a lower portion. Wherein, the upper part of the casing 1 is used for installing the fan 3 and the smoke exhaust duct 2, and can be arranged into a suitable shape according to the structures of the fan 3 and the smoke exhaust duct 2, for example, the rectangular structure shown in fig. 1; the middle part of the shell 1 is used for installing the controller 6 and a control panel of the range hood, the shape of the middle part of the shell 1 can be matched with the shape of the upper part, and the middle part is positioned at a height convenient for a user to operate; the lower part of the housing 1 is used for mounting the blowing duct 5, the blowing port 51, and sensors for detecting when blowing is required, such as the temperature sensor 11 or a camera. For example, as shown in fig. 5, the middle part and the lower part of the housing 1 may form a right-angled structure, so as to facilitate the installation of the range hood on a wall.

As shown in fig. 2 and 3, the fan 3 is disposed on the smoke exhaust duct 2, so that a negative pressure is formed by the operation of the fan 3, and an air flow is formed in the smoke exhaust duct 2. In this application, fan 3 can adopt power, rotational speed and direction of rotation adjustable fan, and in order to obtain better smoke exhaust effect, fan 3 can adopt turbine formula fan or high-power exhaust fan. The smoke exhaust pipe 2 can adopt a cylindrical structure, one end of the smoke exhaust pipe 2 is provided with a smoke suction port 21, and the other end is provided with a smoke exhaust port 22. As shown in fig. 2, the smoke exhaust pipe 2 may be vertically arranged, the smoke exhaust port 21 is located on the lower end surface of the smoke exhaust pipe 2, and the smoke exhaust port 22 is located on the upper end surface of the smoke exhaust pipe 2. A smoke suction port 21 and a smoke discharge port 22 are provided on the housing 1, and the smoke discharge port 22 is connected to a flue of a building or extends to the outside. The smoke suction port 21 is located above the pot 4 to absorb the oil smoke generated by the pot 4.

In practical application, during cooking, the range hood needs to be used for absorbing oil smoke, namely, the fan 3 runs in a positive rotation mode, so that the smoke exhaust pipeline 2 generates air pressure change, gas in the smoke exhaust pipeline 2 flows towards the outdoor or flue direction, and negative pressure and airflow are generated at the smoke exhaust port 21. The cooker 4 can generate oil smoke in the cooking process, the oil smoke is upwards diffused and diffused all around, reaches the position close to the smoke suction port 21, and can be discharged outdoors along with the airflow in the smoke exhaust pipeline 2, so that the effect of absorbing the oil smoke is achieved.

In order to accelerate the evaporation of residual moisture on the pan 4, this application provides be equipped with electronic shutter 23 on range hood's the exhaust pipe 2, electronic shutter 23 can set up in exhaust pipe 2's smoking mouth 21 position, but electronic shutter 23 shutoff smoking mouth 21, and range hood still includes air blowing pipeline 5 and controller 6. The electric louver 23 may be a plurality of vane-shaped members disposed at the position of the smoking port 21, and the opening and closing of the passageway of the smoking port 21 may be realized by turning over each vane structure in the louver.

As shown in fig. 4, the electric blind 23 may be driven by a motor to turn over a plurality of blade-shaped members. Specifically, in some embodiments of the present application, the electric blind 23 includes a motor 231, a transmission mechanism 232, and blades 233; the plurality of blades 233 are connected to the motor 231 through the transmission mechanism 232, and the motor 231 is connected to the controller 6. The transmission mode of the transmission mechanism 232 may be chain transmission, a chain wheel is disposed at one end of each blade 233, the transmission mechanism 232 includes a chain, a chain wheel is also disposed at the output end of the motor 231, and the chain wheel on the motor 231 is connected to the chain wheels on the plurality of blades 233 through the chain to drive the blades 233 to rotate when the motor 231 rotates.

In practical application, when the smoke suction port 21 needs to be blocked by the electric shutter 23, the controller 6 can send a start signal to control the motor 231 to rotate for a preset angle or a preset number of turns, the chain wheel on the motor 231 drives the chain to drive the chain wheel on each blade 233 to rotate, so that the blades 233 are turned over, and the plurality of blades 233 form a blocking barrier to block the smoke suction port 21. To facilitate control of the rotation of the motor 231, the motor 231 may be a servo motor or a stepping motor. In addition, the transmission mechanism 232 may further include a transmission component such as a speed reducer to output a specific transmission ratio, so as to control the motor 231.

As shown in fig. 3, the air blowing duct 5 communicates with the smoke discharge duct 2 above the electric louver 23, and the air blowing duct 5 extends from the smoke discharge duct 2 to an air blowing port 51 at the bottom of the housing 1. The air blowing opening 51 is positioned at the bottom of the shell 1 and is close to the placement position of the pot 4, so that the air flow flowing out of the air blowing opening 51 can directly act on the pot 4, the air flow rate acting on the pot 4 is increased, and the evaporation speed of the residual moisture is accelerated. The controller 6 is respectively connected with the fan 3 and the electric shutter 23 to control the electric shutter 23 to plug the smoke suction port 21 and control the fan 3 to reversely rotate, and air flow is conveyed to the cooker 4 through the air blowing pipeline 5. The controller 6 used in the present application refers to a processor chip capable of implementing information judgment and automatic control, such as a single chip microcomputer, a programmable logic controller, and the like. The controller 6 can be installed in the middle of the housing 1 and is the same as the control panel, so as to realize circuit connection and make the whole structure of the range hood more compact.

In practical application, in a normal cooking state, the electric shutter 23 is in an open state, the fan 3 rotates forward, oil smoke generated in the cooker 4 is sucked by airflow generated in the smoke exhaust pipeline 2 from the smoke exhaust port 21, passes through the smoke exhaust pipeline 2 to the smoke exhaust port 22 and is exhausted outdoors, and normal oil smoke suction operation is performed. When a user cleans the pot 4 and needs to remove residual moisture in the pot 4, the controller 6 sends a reverse signal to the fan 3 to control the fan 3 to rotate reversely, so that airflow towards the indoor is generated in the smoke exhaust pipeline 2. At the same time, the controller 6 sends a closing signal to the electric louver 23 to control the motor 231 in the electric louver 23 to rotate, so that the blades 233 of the electric louver 23 are turned over to close the smoking opening 21. At this time, the discharge flue 2 communicates only with the air blowing duct 5, and therefore the air current to the room generated in the discharge flue 2 flows from the air blowing duct 5 to the air blowing port 51. Finally acting on the pot 4, the air flow speed of the area where the pot 4 is located is increased, namely, air drying operation is carried out, and evaporation of residual moisture on the pot 4 is accelerated.

In the technical scheme that this application provided, the time of fan 3 reversal operation can set up according to pan 4's size and shape. For example, the area of water remaining on the pan is large, and the evaporation speed is also high, so that the reverse operation time of the fan 3 can be set to be short; the water in the round-bottom pot is remained at the bottom of the pot, so that the water can be completely evaporated only by reversely rotating the fan 3 for a long time.

Among the technical scheme that this application provided, through increase the pipeline 5 that blows in range hood to utilize 3 reversal operation of fan to blow the air current to pan 4, with the evaporation of remaining moisture in the acceleration pan 4. Therefore, in the technical scheme that this application provided, prevent the rusty scheme of pan 4 with the mode of air-drying operation, can be suitable for any type pan, can not change user's culinary art custom. In addition, during normal cooking, the air blowing port 51 and the smoke suction port 21 can absorb oil smoke at the same time, and the oil smoke absorption efficiency is improved.

In the technical scheme provided by the application, the gas conveyed outwards in the air blowing pipeline 5 is from the smoke exhaust pipeline 2, in practical application, the smoke exhaust pipeline 2 is generally communicated with the outdoor or the flue of a building, and when the building adopts a shared flue design, oil smoke generated by other rooms often exists in the shared flue, and the oil smoke is influenced by the air flow flowing into the room and is easily absorbed into the smoke exhaust pipeline 2, so that the gas blown by the air blowing port 51 also contains the oil smoke, which generates peculiar smell and influences the indoor air quality. In order to avoid the oil smoke in the shared flue from entering the room, in some embodiments of the present application, the range hood further includes an air inlet duct 7, a first valve 24 capable of blocking the exhaust port 22 is disposed at the position of the exhaust port 22, and the air inlet duct 7 is disposed between the first valve 24 and the fan 3 and is communicated with the exhaust duct 2. The air inlet pipeline 7 is provided with a second valve 71 which can block the air inlet pipeline 7; the first valve 24 and the second valve 71 are connected to the controller 6.

One end of the air inlet pipeline 7 is communicated with the smoke exhaust pipeline 2, and the other end of the air inlet pipeline is communicated with the indoor environment, namely the air inlet pipeline is arranged on the shell 1. In the normal cooking process, the first valve 24 on the smoke exhaust pipeline 2 is in an open state, so that the smoke exhaust pipeline 2 can normally discharge oil smoke outwards, and the second valve 71 on the air inlet pipeline 7 is in a closed state, so that the oil smoke in the smoke exhaust pipeline 2 is prevented from entering an indoor environment. When the range hood blows airflow to the cooker 4, the controller 6 sends a closing instruction to the first valve 24 to close the first valve 24, so that the smoke exhaust pipeline 2 and the flue are blocked. And simultaneously, an opening instruction is sent to the second valve 71, so that the second valve 71 is opened, and the smoke exhaust pipeline 2 is communicated with the air inlet pipeline 7. At this moment, the fan 3 is reversed, airflow towards the indoor is generated in the smoke exhaust pipeline 2, the airflow comes from the air inlet pipeline 7, and the air inlet pipeline 7 is communicated with the indoor environment, so that air in the indoor environment is conveyed to the air inlet pipeline 7, namely, oil smoke in a flue is prevented from entering the indoor.

In this embodiment, the first valve 24 and the second valve 71 may adopt a baffle structure, that is, the passage of the smoke exhaust duct 2 is controlled by the translation or the turning of the baffle. It should be noted that, the control of the first valve 24 and the second valve 71 is reduced, and the control is simplified, and in the technical solution provided in the present application, a check valve may be used instead of the first valve 24 and the second valve 71. In practical application, the first valve 24 may adopt a one-way valve to prevent gas in the flue from entering the smoke exhaust duct 2, that is, the one-way valve is opened in the direction from the smoke exhaust duct 2 to the flue and is closed in the direction from the flue to the smoke exhaust duct 2; the second valve 71 may adopt a one-way valve to prevent the gas in the smoke exhaust duct 2 from entering the air inlet duct 7, that is, the one-way valve is opened in the direction from the air inlet duct 7 to the smoke exhaust duct 2, and is closed in the direction from the smoke exhaust duct 2 to the air inlet duct 7.

In some embodiments of the present application, in order to accelerate the evaporation of the residual moisture on the pot 4, the heater 52 is further disposed on the blowing pipe 5, and the heater 52 is connected to the controller 6, so that when the fan 3 rotates reversely, the heater 52 is activated to blow hot air to the pot 4. In practical application, when the range hood is required to remove moisture on the pot 4, the controller 6 sends a heating start signal to the heater 52. The heater 52 is activated so that the heater 52 heats the gas flowing in the air blowing duct 5. In this embodiment, the heater 52 may be a high-power resistance wire to obtain high heat in a short time to form hot air.

In order to realize automatic control, in some embodiments of the present application, a temperature sensor 11 is disposed at the bottom of the housing 1, and the temperature sensor 11 is connected to the controller 6, so that the controller 6 controls the timing of the reverse rotation of the fan 3 according to the temperature detected by the temperature sensor 11. In practical application, after cooking is completed, the temperature of the pot 4 is gradually reduced. Therefore, the temperature of the pot 4 can be detected through the temperature sensor 11, and when the temperature is lower than the preset value, the controller 6 starts the corresponding air drying control program, namely, the fan 3 is controlled to rotate reversely. For more accurate detection of the temperature on the pot 4, the temperature sensor 11 may be a sensor based on infrared temperature sensing, i.e. a non-contact temperature sensor.

In addition, in order to prevent the occurrence of misjudgment, a corresponding judgment program may be built in the controller 6, and in combination with other sensors, such as a camera, a proximity sensor, and a human body detection sensor, the judgment program may detect when the air drying operation is started through the cooperation between the sensors. For example, in a possible determination scheme, the time when the pot 4 leaves the cooking position may be detected by the camera, if the leaving time is greater than a preset value, it is determined that the pot 4 is cleaned, and when the pot 4 returns to the cooking position again, an air drying operation is performed on the pot 4. It is also possible to judge whether or not moisture remains in the pot 4 by image recognition, and if moisture is contained, perform an air drying operation.

In some embodiments of the present application, the air blowing opening 51 is provided with at least two electric shutters 53, and the electric shutters 53 are connected to the controller 6 to control the opening and closing angle of the electric shutters 53 through the controller 6. In practical applications, the range hood also needs to span a wide width because a cooking area may have a plurality of placement positions of the cookware 4. However, since there may be only one pot 4 to be air-dried, a plurality of electric flaps 53 may be provided to control the air outlet 51 in different areas, that is, when the air-drying operation is required for the pot 4 in a certain area, the electric flap 53 in the corresponding area is opened. In the present embodiment, the electric damper 53 can reduce the opening area of the air blowing port 51 to obtain a larger air speed. In addition, through setting up electric baffle 53, can also guarantee to air-dry under the prerequisite that wind-force required, the power requirement when minimizing fan 3 reverses to avoid fan 3 when reversing, need too high speed, thereby avoid the greasy dirt on the 3 flabellums of fan to splash when reversing.

In some embodiments of the application, a communication module may be further built in the controller 6, and the controller 6 may establish a communication connection with a terminal of a user through the communication module to send the operating state and the prompt information of the range hood to the user terminal, so that the user can select a corresponding operating policy according to the operating state. For example, after cooking, the user does not wash the pot 4, then the controller 6 sends a prompt instruction to the user terminal to remind the user to wash the pot, and after the user washes the pot 4, blows the air current to the pot 4 to promote the evaporation of the residual water on the pot 4.

According to the technical scheme, the waterproof residual range hood provided by the application can control the fan 3 to rotate forwards when normal cooking is carried out, so that the smoke exhaust pipeline 2 generates air flowing to the outside, and oil smoke generated by the cooker 4 is absorbed. After the cooker 4 is cleaned, the controller 6 firstly controls the electric shutter 23 to close to plug the smoking port 21. The fan 3 is controlled to rotate reversely, so that air flowing into the room is generated in the smoke exhaust pipeline 2, air is blown to the pot 4 from the air blowing port 51 through the air blowing pipeline 5, and evaporation of residual water in the pot 4 is accelerated. The application provides a range hood is remained in waterproof, through addding intercommunication exhaust pipe 2's blowing pipe 5 to utilize the reversal of fan 3, make range hood can blow the air current to pan 4, make remaining moisture rapid evaporation on pan 4, maintain the pan dry, thereby avoid pan 4 to rust because of remaining moisture, solve traditional pan and remain moisture after wasing, make the easy rusty problem of pan 4.

Claims

1. A waterproof residual range hood comprises a shell, a smoke exhaust pipeline and a fan, wherein the fan is arranged on the smoke exhaust pipeline to form airflow in the smoke exhaust pipeline, one end of the smoke exhaust pipeline is provided with a smoke suction port, the other end of the smoke exhaust pipeline is provided with a smoke exhaust port, the smoke suction port and the smoke exhaust port are arranged on the shell, and the smoke suction port is positioned above a cooker to absorb oil smoke generated by the cooker; the range hood is characterized in that an electric shutter capable of plugging the smoke suction port is further arranged at the smoke suction port, and the range hood further comprises a blowing pipeline and a controller;

2. The range hood of claim 1, further comprising an air inlet duct, wherein a first valve capable of blocking the smoke outlet is disposed in the smoke outlet, and the air inlet duct is disposed between the first valve and the fan and is communicated with the smoke outlet duct;

the air inlet pipeline is provided with a second valve capable of plugging the air inlet pipeline; the first valve and the second valve are connected with the controller.

3. The range hood of claim 1, wherein the air blowing duct is further provided with a heater, and the heater is connected with the controller so as to be activated to heat the air flow in the air blowing duct when the fan rotates reversely.

4. The range hood of claim 1, wherein a temperature sensor is disposed at the bottom of the housing to detect the temperature of the pot; the temperature sensor is connected with the controller, so that the controller controls the reverse rotation time of the fan according to the temperature detected by the temperature sensor.

5. The range hood of claim 1, wherein the motorized window shade comprises a motor, a transmission mechanism, and vanes; the blades are connected with the motor through the transmission mechanism, and the motor is connected with the controller.

6. The range hood of claim 5, wherein the transmission mechanism is a chain transmission, the blades are provided with a sprocket at one end, the transmission mechanism comprises a chain, the output end of the motor is provided with a sprocket, and the sprocket on the motor is connected with the sprockets on the blades through the chain so as to drive the blades to rotate when the motor rotates.

7. The range hood of claim 1, wherein the air blowing port is provided with at least two electric baffles, and the electric baffles are connected with the controller so as to control the opening and closing angle of the electric baffles through the controller.