CN218001593U

CN218001593U - Adopt lampblack absorber of air quality detection module

Info

Publication number: CN218001593U
Application number: CN202221269470.4U
Authority: CN
Inventors: 任勇; 李�杰; 岑振宙
Original assignee: Foshan Jingwei Technology Co ltd
Current assignee: Foshan Jingwei Technology Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-12-09
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a range hood adopting an air quality detection module, which comprises a top cover and a panel, and further comprises a main air duct provided with a smoke exhaust fan, and an electric control cavity between the top cover and the panel, wherein the top cover is provided with a detection air inlet; compared with the prior art, the utility model discloses a collection bellows subassembly and have its lampblack absorber, in whole lampblack absorber working process, air quality detection module carries out real-time detection and monitoring to kitchen air quality to in real time according to the kitchen air quality condition adjustment smoke exhaust fan's that detects power, the air quality who makes the kitchen keeps the healthy level of suitable user, and not too much waste electric power simultaneously again.

Description

Adopt lampblack absorber of air quality detection module

Technical Field

The utility model relates to a lampblack absorber technical field specifically relates to an adopt air quality detection module's lampblack absorber.

Background

The range hood is arranged above the kitchen range and used for extracting and discharging oil smoke generated in the process of cooking food when a user cooks the food. When the range hood works, the power of a smoke exhaust fan of the range hood is controlled by a user, but a general user judges the smoke exhaust effect of the range hood according to personal smell, for example, when the user feels that the air in a kitchen has a relatively sharp or people-irritating taste, the user can automatically increase the power of the smoke exhaust fan to increase the air exhaust amount of the range hood so as to quickly exhaust the oil smoke in the kitchen, but when food cooked by the user cannot generate the people-irritating taste, the user can clean the air in the kitchen, and the user can accurately judge whether the content of harmful substances in the air in the kitchen reaches the standard through the judgment of the user's personal smell, if the content of the harmful substances in the kitchen is too high, the user can absorb more harmful substances in the long-term cooking process, and the health can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adopt air quality detection module's lampblack absorber, it is used for solving above-mentioned technical problem.

The utility model provides an adopt lampblack absorber of air quality detection module, includes top cap and panel, still including the main wind channel that is provided with smoke exhaust fan, the automatically controlled chamber between top cap and panel, is provided with the detection air intake on the top cap, forms panel air intake intercommunication main wind channel on the panel, is formed with the guide wind gap on the panel, and the electrically controlled chamber communicates through detecting the air intake with the outside, detects the air intake and leads the wind gap intercommunication and form the detection wind channel, is provided with air quality detection module in detecting the wind channel.

According to the utility model discloses an embodiment, it forms the air inlet clearance to detect between outer wall and the top cap that the air intake is the main air duct, and/or the detection wind gap that forms on the top cap, air quality detection module is including fixed frame, the automatically controlled intracavity of fixed frame detachably connection between top cap and panel, air quality detection module includes the module casing, be provided with module air intake and module air outlet on it, both communicate and be provided with detection module on intercommunication passageway between them, detection module is used for detecting dust particle or is used for detecting the VOCs composition, the detection wind gap on the module air intake intercommunication top cap.

According to an embodiment of the present invention, the range hood is provided with a driving wind direction portion for forming a unidirectional air flow in the communicating channel, the driving wind direction portion is a fan disposed in the detection air channel and located in the module housing, and/or a fan disposed outside the module housing; the driving wind direction part is a heater arranged in the module shell, and the heater is independently used as the driving wind direction part, or the heater and a fan arranged on the inner side of the panel are jointly used as the driving wind direction part.

According to one embodiment of the utility model, the fan arranged outside the module shell is a guide fan which is arranged outside the module shell and arranged inside the panel and used for supplying air to the outside of the guide air port, and the guide fan is independently used for forming one-way airflow in the communication channel; the fan is an inner fan and is positioned in the module shell, and the inner fan is used for independently forming unidirectional airflow in the communication channel; or the inner fan and the guide fan are simultaneously arranged to jointly form one-way airflow in the electric control cavity and one-way airflow in the module shell and communicated with the module air inlet and the module air outlet.

According to one embodiment of the present invention, the heater disposed in the module housing heats air to form natural convection air flow, and the air flow forms one-way air flow in the communicating channel; or the driving air direction part comprises a heater arranged in the module shell and a guide fan arranged outside the module shell, the guide fan is arranged outside the module shell and is arranged on the inner side of the panel, the heater and the guide fan jointly form one-way air flow in the electric control cavity, and the one-way air flow is communicated with a communication channel of the module air inlet and the module air outlet in the module shell.

According to the utility model discloses an embodiment, the main air duct cuts off with the detection wind channel, and both inside do not communicate each other, and guide wind gap exhaust gas through the detection gets into the main air duct through setting up the panel air intake on the panel.

According to the utility model discloses an embodiment, cavity in the middle of outer wall, top cap and the panel in main wind channel enclose, and the bottom surface in main wind channel is the minimum face of lampblack absorber, cavity in the middle of detecting the air intake intercommunication, middle cavity intercommunication test passage, main wind channel and detection wind channel do not communicate.

According to one embodiment of the utility model, the outer wall surface, the top cover and the panel of the main air duct enclose a middle cavity, the bottom surface of the main air duct is positioned in the middle cavity, the main air duct is communicated with the middle cavity through an oil leakage hole arranged on the main air duct, and the oil leakage hole is positioned in the negative pressure region of the main air duct; the electric control cavity is communicated with the middle cavity, and the module air inlet is positioned between the communicated position and the detection air inlet.

According to the utility model discloses an embodiment, the air that enters into automatically controlled intracavity through detecting the air intake gets into the intercommunication passageway and is detected by the detection module through the module air intake on the module casing, and the air that is detected by the detection module is discharged through the guide wind gap, or along the lateral wall face downward flow in main air duct to middle cavity.

According to the utility model discloses an embodiment, still include collection bellows subassembly, collection bellows subassembly has the bellows air intake, bellows air outlet and oil leak, form main wind channel between bellows air intake and the bellows air outlet, smoke exhausting fan locates one side that main wind channel is close to the bellows export, main wind channel sets up smoke exhausting fan's part is the wind channel section of discharging fume, form the air inlet clearance between the outer wall of the wind channel section of discharging fume and the top cap, top cap and panel enclose into the casing that has the cavity, the part that collection bellows subassembly is located the wind channel section below of discharging fume arranges the cavity of casing in, the outer wall of the part that collection bellows subassembly is located the wind channel section of discharging fume and the part between top cap and the panel form middle cavity.

Compared with the prior art, the utility model discloses an adopt air quality detection module's lampblack absorber has following advantage:

the utility model discloses an adopt air quality detection module's lampblack absorber, in whole lampblack absorber working process, air quality detection module carries out real-time detection and monitoring to kitchen air quality to in real time according to the kitchen air quality condition adjustment smoke exhaust fan's that detects power, the air quality who makes the kitchen keeps the healthy level of suitable user, and not too much waste electric power simultaneously again.

Drawings

Fig. 1 is a schematic structural view of the range hood adopting the air quality detection module of the present invention;

FIG. 2 is an exploded view of the cover plate and the air quality detection module of the range hood adopting the air quality detection module of the present invention;

fig. 3 is a front view of the range hood adopting the air quality detection module of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a partial enlarged view of A in FIG. 4;

fig. 6 is a schematic structural diagram of a panel of the range hood adopting the air quality detection module of the present invention;

FIG. 7 is a schematic structural view of the air collecting box assembly of the range hood adopting the air quality detecting module of the present invention;

in the figure: a. the air quality detection module comprises an air inlet gap, a b electric control cavity, a d main air duct, a 1 top cover, a 11 top cover body, a 111 air duct through hole, a 112 inspection opening, a 12 top cover side plate, a 13 front plate, a 131 display frame, a 14 inspection cover, a 141 detection air opening, a 2 panel, a 21 inclined section, a 211 panel air inlet, a horizontal section, a 221 guide air opening, a 3 smoke exhaust fan, a 4 air quality detection module, a 41 fixing frame, a 42 module shell, a 421 module air inlet, a 422 module air outlet, a 43 guide fan, a 44 air duct assembly, a 5 air collection box assembly, a 51 oil leakage hole, a 52 air box air inlet and a 6 display component

The utility model discloses realization and advantage of function will combine the embodiment, will make further explanation with reference to the attached drawing.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of various embodiments of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings for the sake of simplicity.

It should be noted that all the directional indicators (such as up, down, left and right, front and back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

For a further understanding of the contents, features and effects of the present invention, the following embodiments will be illustrated in detail in conjunction with the accompanying drawings:

when the user cooks the work, the lampblack absorber is used for the oil smoke extraction and the discharge that produce the culinary art in-process to make the air in the kitchen keep clean, avoid the oil smoke to pollute kitchen wall and cupboard, but current lampblack absorber, the during operation, the smoke exhaust fan of album of bellows starts, and the oil smoke that the extraction user cooks the in-process and produces, when smoke exhaust fan extraction oil smoke, the oil smoke gets into album of bellows and is discharged from the oil smoke entry. When the range hood works, the power of a smoke exhaust fan of the range hood is controlled by a user, but a general user judges the smoke exhaust effect of the range hood according to personal smell, for example, when the user feels that the kitchen air has a relatively sharp or choking smell, the user can automatically increase the power of the smoke exhaust fan to increase the air exhaust amount of the range hood so as to quickly exhaust the oil smoke in the kitchen, but when food cooked by the user does not smell the choking smell, the user can possibly clean the kitchen air, and the user can accurately judge whether the content of harmful substances in the kitchen air reaches the standard through the judgment of the user personal smell alone. If the lampblack absorber is when the oil smoke is being extracted, there is air detection device, detects the oil smoke content of air to remind the user to increase the wind-force of lampblack absorber or automatically increase the wind-force of lampblack absorber when oil smoke content is too high, the lampblack absorber can be better to the extraction effect of oil smoke, can avoid the user to inhale too much oil smoke in the long-term culinary art in-process.

The utility model discloses an adopt air quality detection module's lampblack absorber just can be at the quality of lampblack absorber during operation real-time detection kitchen air, and the power of the smoke exhaust fan of automatic adjustment lampblack absorber is come according to the parameter of the air quality that detects, when air quality is qualified, keep the current power of smoke exhaust fan or turn down the current power of smoke exhaust fan, when air quality is unqualified, the power of smoke exhaust fan is increaseed, make smoke exhaust fan to the extraction volume grow that has the oil smoke, so that outside fresh air can in time supply in the kitchen, in order to ensure that the user is not harmed by the harmful substance in the kitchen air in long-term culinary art operation. Please refer to fig. 1 to 4, the utility model discloses an adopt lampblack absorber of air quality detection module includes top cap 1 and panel 2, still including the main air flue d that is provided with smoke exhaust fan 3, automatically controlled chamber b between top cap 1 and panel 2, be provided with the detection air intake on top cap 1, form panel air intake 211 intercommunication main air flue d on the panel 2, be formed with guide air port 221 on the panel 2, automatically controlled chamber b communicates with the outside through detecting the air intake, detect the air intake and guide air port 221 intercommunication and form the detection wind channel, be provided with air quality detection module 4 in detecting the wind channel. When the top cover 1 and the panel 2 are used for enclosing a shell of a range hood, the shell is internally provided with an air collecting box assembly 5, the air collecting box assembly 5 is provided with an inner cavity and an air box air inlet 52 communicated with the inner cavity, the inner cavity of the air collecting box assembly 5 is a main air duct d of the range hood, when the air collecting box assembly 5 is arranged in the shell, one section positioned above the air collecting box assembly 5 penetrates out of the shell and is communicated with a smoke exhaust duct of a kitchen through a pipeline, the part extending out of the shell is called a smoke exhaust duct section of the air collecting box assembly 5, a smoke exhaust fan 3 is arranged in the smoke exhaust duct section, the top cover 1 and the panel 2 enclose a control cavity b at the same time of enclosing the shell, when the air collecting box assembly 5 is arranged in the shell, the air collecting box assembly 5 is provided with an air box air inlet 52 which is prevented from being connected with the panel 2, the air box air inlet 52 is communicated with the panel air inlet 211, and an intermediate cavity is formed between the outer wall surface of the air collecting box assembly 5 and the inner wall surface of the shell, the top cover 1 is provided with a detection air inlet which is communicated with the internal cavity and the electric control cavity b, a panel air inlet 211 on the panel 2 is communicated with a main air duct d of the air collection box component 5 through an air inlet 52 of the air box, oil smoke in the cooking process of a user can enter the air inlet 52 of the air box through the panel air inlet 211 under the action of the smoke exhaust fan 3, then enters the main air duct d from the air inlet 52 of the air box and is finally exhausted by the smoke exhaust fan 3, the panel 2 is also provided with a guide air inlet 221, the detection air inlet is communicated with the guide air inlet 221 to form a detection air duct, an air quality detection module 4 is arranged in the detection air duct, when the range hood works, air above the top cover 1 in a kitchen enters the electric control cavity b through the detection air inlet on the top cover 1 and is exhausted to the guide air inlet 221, and when the air flows in the detection air duct formed between the detection air inlet and the guide air inlet 221, through the air quality detection module 4, the air quality detection module 4 detects dust particles and VOCs components in the air, when the dust particles and the VOCs components in the air reach the standard, the smoke exhaust fan 3 of the range hood can continuously keep the current power to perform the oil smoke extraction operation, when the air quality detection module 4 detects that the dust particles and the VOCs components in the air exceed the standard, the control system of the range hood can automatically adjust the power of the smoke exhaust fan 3, so that the power of the smoke exhaust fan 3 is increased, the force is increased to extract the oil smoke, and when the air quality in a kitchen is detected to reach the standard by the air quality detection module 4 again, the control system of the range hood can adjust the power of the smoke exhaust fan 3 again, so that the power of the smoke exhaust fan 3 is properly reduced; in a word, in the whole working process of the range hood, the air quality detection module 4 detects and monitors the air quality of a kitchen in real time, and adjusts the power of the smoke exhaust fan 3 according to the detected air quality condition of the kitchen in real time, so that the air quality of the kitchen is kept at a level suitable for the health of a user, and meanwhile, the electric power is not wasted excessively. Certainly, when the air quality detection module 4 detects that the air quality does not reach the standard, the range hood can also send out an early warning signal to remind; the early warning signal can be the pilot lamp, and the condition of air quality is judged through the change of pilot lamp colour to the user, then manual adjustment exhaust fan 3's power. In addition, detect the air intake and also communicate middle cavity, at the lampblack absorber during operation, the kitchen is located in the air intake entering middle cavity of top cap 1 top, form the air interlayer in the middle cavity, at the lampblack absorber during operation, the noise that produces and the noise that the oil smoke flows and produces in main wind channel d can be weakened by the air interlayer when smoke exhaust fan 3 starts, make the noise that transmits the kitchen space diminish, and when the oil smoke got into main wind channel d, the heat of oil smoke can be transmitted to the casing of air collection box subassembly 5, make the casing temperature of air collection box subassembly 5 rise, heat can transmit to the kitchen space on the casing of air collection box subassembly 5, but because the existence of the air interlayer, the volume of the outside transmission of heat can reduce on air collection box subassembly 5's the casing, avoid influencing the kitchen temperature.

Please refer to fig. 1 to 5, the utility model discloses an adopt lampblack absorber of air quality detection module, detect the air intake and form air inlet clearance an and the detection wind gap 141 that forms on top cap 1 for outer wall and top cap 1 of main wind channel d, air quality detection module 4 is including fixed frame 41, fixed frame 41 detachably connects in the automatically controlled chamber b between top cap 1 and panel 2, air quality detection module 4 includes module housing 42, be provided with module air intake 421 and module air outlet 422 on it, both communicate and be provided with detecting element on both's intercommunication passageway, detecting element is used for detecting dust particle or is used for detecting the VOCs composition, module air intake 421 communicates the detection wind gap 141 on the top cap. The utility model discloses a lampblack absorber adopting air quality detection module, top cap 1 includes top cap body 11 and top cap lateral plate 12 connected with left and right sides of top cap body 11 as a whole, air duct through hole 111 is formed at the rear side of top cap body 11, air duct through hole 111 is used for making the exhaust air duct section of air collection box assembly 5 pass and forming air inlet gap a with the outer wall of exhaust air duct section, access opening 112 is also provided at the front side of air duct through hole 111, access cover 14 is sealed on access opening 112, access cover 14 aligns with electrical control cavity b, opening access cover 14 can open the electrical control cavity, detection air port 141 is provided on access cover 14, when air collection box assembly 5 is arranged in the casing enclosed by top cap 1 and panel 2, the exhaust air duct section of air collection box assembly 5 passes through the air duct through hole and is located above top cap body 11, top cap body 11 and panel 2 are located in front of the wall of air collection box assembly 5 with air inlet 52, electrical control cavity b is enclosed as electrical control cavity b, air quality detection module 421 b can be connected with air inlet module in air inlet gap detection module 21 b, air inlet module 21 b can also be connected with electrical control cavity 42 b from air inlet detection module in air inlet cavity 22 b when air inlet module working chamber of air inlet module 21 b, air quality detection module in air inlet detection module 21 b, air detection module 21 b is formed in air inlet module 21 b, and flows to the module air outlet 422 along the communicating channel, when the air flows along the communicating channel, the air flows through the detecting element, the detecting element detects the air flowing through the detecting element, detects dust particles and VOCs components in the air, feeds the detection result back to the control system of the range hood, the control system performs the next operation according to the detection result, and the air flowing through the communicating channel is discharged through the module air outlet 422 after being detected by the detecting element and is discharged below the panel 2 from the guide air outlet 221.

Referring to fig. 2, 4 and 6, in the illustrated embodiment, the front side of the top cover body 11 extends downward to form a front plate 13 having an appearance surface, the left and right ends of the front plate 13 extend toward the top cover side plate 12 on the corresponding side and are connected to the top cover side plate 12 on the corresponding side, and the display frame 131 is formed on the front plate 13. That is to say, the front plate 13 is a U shape, two ends of the U shape are connected with the top cover side plate 12 of the corresponding side, the top cover body 11, the top cover side plate 12 and the front plate 13 are integrally formed, the top cover side plate 12 and the front plate 13 are appearance surfaces, the surface can be seen by a user, the side of the top cover side plate 12 away from the oil smoke space is an appearance surface, the side of the front plate 13 facing the user is an appearance surface, a display frame 131 is formed on the front plate 13, when the display part 6 of the range hood is installed in the electric control cavity b, the display part 6 is aligned with the display frame 131 and installed in the display frame 131, the display surface of the display part 6 is aligned with the edge of the display frame 131, the display surface of the display part 6 and the front plate 13 are located on the same plane, the display part 6 is a control panel for the user to input a program to the range hood and display the working condition of the range hood, when the control system of the range hood cannot automatically adjust the power of the smoke exhaust fan 3, the air quality, the working condition of the range hood and the like can be displayed to the user through the display part 6. The panel 2 is provided with an inclined section 21 and a horizontal section 22, the inclined section 21 is connected with the wall surface of the air collecting box assembly 5 provided with an air box air inlet 52, the panel air inlet 211 is arranged on the inclined section 21, the horizontal section 22 is connected with the front plate 13, a guide air inlet 221 is arranged on the horizontal section 22, the front plate 13, the part of the top cover body 11 positioned in front of the air channel through hole 111, the part of the front plate 13 extending towards the left side and the right side of the top cover side plate 12 and the corresponding part of the air collecting box assembly 5 and the front plate 13 jointly form an electric control cavity b, and the electric control cavity b is respectively the bottom wall surface, the front wall surface, the top wall surface, the left wall surface, the right wall surface and the rear wall surface of the electric control cavity b; in use, the vertical downward projection of the guide air inlet 221 exceeds the vertical downward projection boundary of the panel air inlet 211, so that the vertical downward projection of the guide air inlet 221 exceeds the vertical downward projection boundary of the panel air inlet 211, namely, the distance from the leftmost end surface of the guide air inlet 221 to the left side of the panel 2 is smaller than the distance from the left side of the panel air inlet 211 to the left side of the panel 2, and meanwhile, the distance from the rightmost end surface of the guide air inlet 221 to the right side of the panel 2 is smaller than the distance from the right side of the panel air inlet 211 to the right side of the panel 2.

The utility model discloses an adopt air quality detection module's lampblack absorber, lampblack absorber are provided with the drive wind direction portion that forms one-way air current in the intercommunication passageway. When a user carries out cooking operation, oil smoke emitted by a cooker moves upwards, the panel 2 faces the cooker, oil smoke exists in air below the panel 2, and due to high temperature of the oil smoke, the oil smoke enters the electric control cavity b along the guide air inlet 221, if the air containing the oil smoke entering the electric control cavity b enters a communication channel formed by communicating the module air inlet 421 and the module air outlet 422 through the module air outlet 422, and the air flows reversely along the communication channel, the detection result is inaccurate, the oil smoke condition of the current kitchen air cannot be reflected, misjudgment of a control system of the range hood can be guided, and power waste is caused, so that a driving air direction portion is arranged in the communication channel formed by communicating the module air inlet 421 and the module air outlet 422, the driving air direction portion is used for forming one-way air flow in the communication channel, the air direction of the one-way air flow enters the communication channel from the module air inlet 421 and then flows to the module air outlet 422 along the communication channel, and finally the air is discharged from the module air outlet 422, the air direction portion can only enter the communication channel through the module air inlet 421, and the situation that the power waste of the range hood cannot be detected by the detection element can not occur. The principle of driving the wind direction part to form unidirectional airflow is that the module air inlet 421 is positioned in a low-pressure area, the module air outlet 422 is positioned in a high-pressure area, and air flows from the high-pressure area to the low-pressure area; drive wind direction portion is for setting up the fan in detecting the wind channel, and the fan is located module housing 42, the air intake of fan is towards module air intake 421, the air outlet of fan is towards module air outlet 422, like this when the lampblack absorber during operation, the fan starts, there is air inlet clearance an and the air that detects wind gap 141 and enter into automatically controlled chamber b in the module air intake 421 get into the intercommunication passageway, then flow to module air outlet 422 along the intercommunication passageway, flow through detecting element at the flow in-process, discharge through module air outlet 422 after being detected by the detecting element, the air that detecting element detected is the air of top cap body 11 top, the quality condition of kitchen air during operation of lampblack absorber can be represented to this air can be detected as the result that detecting element detected this air is kitchen air quality promptly, the control system of lampblack absorber can carry out operation on next step according to detecting element to the detection result of this air.

Of course, the driving wind direction portion may also be a fan disposed outside the module housing 42, the fan disposed outside the module housing 42 is a guiding fan 43, the guiding fan 43 is disposed outside the module housing 42 and inside the panel 2, and is configured to supply air to the outside of the guiding air port 221, guide the air inlet of the fan 43 toward the module air outlet 422 of the module housing 42, and guide the air outlet of the fan 43 toward the guiding air port 221; when the range hood works, the guiding fan 43 is started and extracts air in the electric control cavity b, the guiding fan 43 discharges the extracted air to the guiding air inlet 221 and forms a negative pressure area in the electric control cavity b, the air above the top cover body 11 enters the electric control cavity b through the air inlet gap a and the detection air inlet 141, the air at the module air outlet 422 of the module shell 42 is close to the air inlet of the guiding fan 43, so the air pressure at the module air outlet 422 of the module shell 42 is lower than the air pressure at the module air inlet 421 of the module shell 42, the air entering the electric control cavity b enters the communication channel from the module air inlet 421 of the module shell 42 and then flows along the communication channel, flows to the module air outlet 422 of the module shell 42 after being detected by the detection module through the detection element, is sucked by the air inlet of the guiding fan 43 and is discharged from the air outlet of the guiding fan 43, and finally is discharged below the panel 2 through the guiding air inlet 221.

In other embodiments, the driving air direction portion includes a blower disposed in the detection air duct and a guiding blower 43 disposed outside the module housing 42 and inside the electronic control cavity b, an air inlet of the blower in the module housing 42 faces the module air inlet 421, an air outlet of the blower in the module housing 42 faces the module air outlet 422, an air inlet of the guiding blower 43 faces the module air outlet 422 of the module housing 42, and an air outlet of the guiding blower 43 faces the guiding air outlet 221, when the range hood is in operation, the guiding blower 43 starts and extracts air in the electronic control cavity b, the guiding blower 43 discharges the extracted air to the guiding air outlet 221 and forms a negative pressure region in the electronic control cavity b, air above the top cover body 11 enters the electronic control cavity b through the air inlet gap a and the detection air inlet 141, since the module air outlet 422 of the module housing 42 is close to the air inlet of the guiding blower 43, air pressure at the module air outlet 422 of the module housing 42 is lower than air pressure at the module air inlet 421 of the module housing 42, and since the air inlet of the blower in the module housing 42 faces the module air inlet 421, air inlet of the module housing 42 is guided to flow to the detection module housing b, and then flows to the detection module housing 42, and then flows to the detection module housing 2, and is guided to the detection module housing b, and then flows to the detection module housing 42.

In other embodiments, the driving wind direction portion is a heater disposed in the module housing 42, the heater heats air to form natural convection air flow, the air flow forms a unidirectional air flow in the communication channel, the unidirectional air flow flows along the communication channel with the module wind inlet 421 of the module housing 42 to the module wind outlet 422 of the module housing 42, and passes through the detection element during the flow process, the air passing through the detection element is detected by the detection element and then discharged through the module wind outlet 422 of the module housing 42, and when the heater heats air, the air entering the electric control cavity b through the wind inlet gap a is continuously extracted by the communication channel and discharged to the guiding wind inlet 221.

In still other embodiments, the driving air direction portion includes a guiding blower 43 disposed outside the module housing 42 and inside the electrical control chamber b and a heater disposed inside the module housing 42, an air inlet of the guiding blower 43 faces the module air outlet 422 of the module housing 42, and an air outlet of the guiding blower 43 faces the guiding air outlet 221, when the range hood is in operation, the guiding blower 43 is activated and draws air inside the electrical control chamber b, the guiding blower 43 discharges the drawn air toward the guiding air outlet 221 and forms a negative pressure region inside the electrical control chamber b, air above the top cover body 11 enters the electrical control chamber b through the air inlet gap a and the detection air inlet 141, since the module air outlet 422 of the module housing 42 is close to the air inlet of the guiding blower 43, air pressure at the module air outlet 422 of the module housing 42 is lower than air pressure at the module air inlet 421 of the module housing 42, and since the heater is disposed inside the communication channel in the module housing 42, the heater heats air in the communication channel and forms natural convection air flow, air in the communication channel flows, air entering the electrical control chamber b enters the module housing 42 under the dual action of the module housing 42 and flows through the detection panel 43, and is guided to flow toward the detection panel 2, and then flows through the detection panel, and is detected.

When the driving wind direction part is the guide fan 43 or comprises the guide fan 43, the number of the guide fans 43 is two, the guide fans comprise a first fan and a second fan, an air duct assembly 44 matched with the first fan and the second fan is further arranged in the electric control cavity b, the air duct assembly 44 comprises a first air duct assembly and a second air duct assembly, the first fan and the first air duct assembly are positioned on one side of the electric control cavity b, the second fan which is arranged in bilateral symmetry with the first fan and the second air duct assembly which is connected with the second fan are arranged on the other side of the electric control cavity b, the first end of the first air duct assembly is arranged opposite to the first end of the second air duct assembly, the first fan is positioned at the first end of the first air duct assembly, and the second fan is arranged at the first end of the second air duct assembly; the first end to the second end of the first air duct assembly and the second air duct assembly are gradually reduced in cross section. The horizontal section 22 of the panel 2 is provided with two guiding air ports 221, the two guiding air ports 221 are symmetrically arranged on the horizontal section 22 by taking the center line of the horizontal section 22 of the panel 2 in the height direction as a symmetrical line, the first fan and the first air duct assembly are matched with one guiding air port 221, and the second fan and the second air duct assembly are matched with the other guiding air port 221. If the first fan and the first air duct component are matched with the guide air opening 221 positioned on the left side of the center line in the height direction of the horizontal section 22, the second fan and the second air duct component are matched with the guide air opening 221 positioned on the right side of the center line in the height direction of the horizontal section 22, the right side of the first air duct component is the first end, the left side is the second end, the first fan is arranged close to the right side of the first air duct component, the left side of the second air duct component is the first end, the right side of the second air duct component is the second end, the second fan is arranged close to the left side of the second air duct component, air sucked by the first fan from the electric control cavity b enters the first air duct component from the air outlet of the first fan, then flows along the first air duct component, and is blown out downwards from the outlet of the first air duct component to the guide air opening 221 positioned on the left side, air sucked by the second fan from the electric control cavity b enters the second air channel assembly from an air outlet of the second fan, then flows along the second air channel assembly, and is blown out downwards from an outlet of the second air channel assembly to a guide air inlet 221 positioned on the right side, air outlets of the first air channel assembly and the second air channel assembly are aligned with the corresponding guide air inlet 221, the lengths of the first air channel assembly and the second air channel assembly are matched with the length of the corresponding guide air inlet 221, the section of the first air channel assembly from the right side to the left side is gradually reduced, so that the size of air flow blown out from the air outlet of the first air channel assembly in the length direction is uniform, the section of the second air channel assembly from the left side to the right side is gradually reduced, and the size of air flow blown out from the air outlet of the second air channel assembly in the length direction is uniform.

Referring to fig. 4, in the range hood using the air quality detection module of the present invention, the main air duct d is communicated with the middle chamber through the oil leakage hole 51 formed in the main air duct d, and the oil leakage hole 51 is located in the negative pressure region of the main air duct d; the electronic control cavity b is communicated with the middle chamber, and the module air inlet 421 is located between the communication position and the detection air inlet. Top cap 1 and panel 2 enclose into the casing that has the cavity, the part that collection bellows subassembly 5 is located the wind channel section below of discharging fume arranges the cavity of casing in, the outer wall that collection bellows subassembly 5 is located the part of the wind channel section of discharging fume forms middle cavity with the part between top cap 1 and the panel 2, the bottom height that highly is higher than the casing of the bellows bottom plate of collection bellows subassembly 5, the part that middle cavity is located bellows bottom plate below is the oil smoke chamber, and the lampblack absorber during operation, can accumulate a lot of waste oil in the exhaust ventilator, these waste oil can fall on the bellows bottom plate of collection bellows subassembly 5, set up oil leak hole 51 on the bellows bottom plate, the waste oil that falls on the bellows bottom plate of collection bellows subassembly 5 can flow out along oil leak hole 51. Because the bottom plate of the air box collecting component 5 is positioned in the middle chamber, the middle chamber is communicated with the main air channel d through the oil leakage hole 51, and because the middle chamber is communicated with the electric control cavity b, the main air channel d is communicated with the electric control cavity b. However, when the smoke exhaust fan 3 is started, firstly, the oil smoke in the oil smoke cavity is extracted and exhausted, so the oil smoke cavity is a negative pressure region, the oil leakage hole 51 is positioned in the negative pressure region, so the air in the middle cavity can enter the main air duct d through the oil leakage hole 51, the oil smoke in the main air duct d can not enter the middle cavity through the oil leakage hole 51, thus when the driving air direction part fails and the start fails, because the electric control cavity b is communicated with the middle cavity, the middle cavity is communicated with the main air duct d through the oil leakage hole 51, when the smoke exhaust fan 3 is started, even if the driving air direction part fails and the start fails, the air in the electric control cavity b can be extracted to the middle cavity under the action of the smoke exhaust fan 3, and then enters the oil smoke cavity of the main air duct d through the oil leakage hole 51, the smoke exhaust fan can also form negative pressure in the electric control cavity b, air above the top cover body 11 can enter the electric control cavity b through the air inlet gap a and the detection air inlet 141, because the module air inlet 421 of the module shell 42 is positioned between the communication part of the electric control cavity b and the middle cavity and the detection air inlet, when the air in the electric control cavity b enters the middle cavity under the action of the smoke exhaust fan 3, the air enters the communication channel through the module air inlet 421 of the module shell 42 and then flows to the module air outlet 422 of the module shell 42 along the communication channel, the air is detected by the detected element in the flowing process, the air detected by the detected element enters the middle cavity after being discharged from the module air outlet 422 of the module shell 42 and then enters the main air channel d through the oil leakage hole 51, after the driving air direction part fails and fails to start, because the smoke exhaust fan 3 forms negative pressure in the electric control cavity b, and the module air inlet 421 is positioned between the communication part and the detection air inlet, a one-way airflow can still be formed in a communication channel formed between the module air inlet 421 of the module housing 42 and the module air outlet 422 of the module housing 42, the air detected by the detection element is still the air in the kitchen space, and the detection result is not affected by the failure of the driving air direction part and the start failure.

The utility model discloses an adopt lampblack absorber of air quality detection module, the air that enters into automatically controlled chamber b through detecting the air intake gets into the intercommunication passageway and is detected by the detection element through module air intake 421 on the module casing 42, and the air that is detected by the detection element is discharged through guide wind gap 221, or flows down to middle cavity along the lateral wall face of main air duct d. That is, when the driving wind direction portion normally works, the driving wind direction portion forms a negative pressure region in the electronic control cavity b, and air above the top cover body 11 enters the electronic control cavity b through the air inlet gap a and the detection air inlet 141, then enters the communication channel through the module air inlet 421 on the module housing 42 under the action of the driving wind direction portion, then flows along the communication channel and is detected by the detection element, and the air detected by the detection element is discharged through the module air outlet 422 of the module housing 42 and then is discharged outside through the guide air inlet 221; when the driving wind direction portion cannot work normally, when the smoke exhaust fan 3 extracts air in the middle cavity, the air in the electric control cavity b communicated with the middle cavity flows to the middle cavity, negative pressure is formed in the electric control cavity b, the air above the top cover body 11 enters the electric control cavity b through the air inlet gap a and the detection air inlet 141 under the action of the negative pressure, because the module air inlet 421 is located between the communication position and the detection air inlet, the air entering the electric control cavity b enters the communication channel through the module air inlet 421 on the module shell 42, then flows along the communication channel and is detected by the detected element, the air detected by the detected element is discharged through the module air outlet 422 of the module shell 42, flows downwards to the middle cavity along the side wall surface of the main air duct d, and finally enters the main air duct d through the oil leakage hole 51.

In other embodiments, the main air duct d is isolated from the detection air duct, and the interiors of the main air duct d and the detection air duct are not communicated with each other, so that the detected air exhausted from the air inlet 221 is guided to enter the main air duct d through the panel air inlet 211 arranged on the panel 2. When the range hood works, oil smoke generated by a cooker enters the main air duct d through the panel air inlet 211 on the panel 2, and then is discharged out of the main air duct d by the smoke exhaust fan 3, so that the air in the main air duct d is oil smoke, if the air in the main air duct d is communicated with the detection air duct, the oil smoke can enter the communication channel through the module air inlet 421 of the module shell 42, and then flows to the module air outlet 422 of the module shell 42 through the communication channel, and is detected by a detection element in the flowing process, and finally is discharged out of the module air outlet 422 of the module shell 42, because the air detected by the detection element contains the oil smoke in the main air duct d, the air quality detected by the detection element at the moment does not represent the time air quality of a kitchen space, if the structure is taken as a reference, a control system of the range hood can carry out misjudgment, and the power waste of the smoke exhaust fan 3 can be caused, so the range hood adopting the air quality detection module is separated from the main air duct d, the oil smoke in the main air duct can not enter the electric control cavity b, and only the air discharged on the panel 11 can enter the electric control cavity b through the gap a, and the validity of the detection result can be ensured. The main air duct d is separated from the detection air duct in a way that the bottom surface of the main air duct d is set as the lowest surface of the range hood, when the air collecting box assembly 5 is arranged in a shell enclosed by the top cover 1 and the panel 2, the bottom surface of the shell is sealed by an air box bottom plate of the air collecting box assembly 5, a middle cavity is formed between the outer wall surfaces of the top cover body 11, the top cover side plate 12 and the air collecting box assembly 5 below the top cover body 11, an air inlet gap a is communicated with the middle cavity, a detection air outlet 141 is communicated with the electric control cavity b, the middle cavity is communicated with the electric control cavity b, when the range hood works, the smoke exhaust fan 3 is started, oil smoke generated by a cooker enters the main air duct d through the panel air inlet 211 and the air box air inlet 52, then is extracted and exhausted by the smoke exhaust fan 3, meanwhile, a driving air direction part in the electric control cavity b is started, air in the electric control cavity b is extracted, negative pressure is formed in the electric control cavity b, then the air above the top cover body 11 enters the electric control cavity through the air inlet gap a and the detection air outlet 141 in the module shell 42, the detection module 422 flows out of the detection module, and the detection module 422. Wherein, a part of the air entering through the air inlet gap a flows downwards along the wall surface of the wind collection box component 5 aligned with the electric control cavity b and enters the electric control cavity b, the other part flows downwards along the side wall of the wind collection box component 5 and enters the middle cavity, and because the wind direction driving part forms negative pressure in the electric control cavity b, the air in the middle cavity enters the electric control cavity b from the communication part of the middle cavity and the electric control cavity b. The oil smoke in the oil smoke space aligned by the cooker enters the main air duct d through the panel air inlet 211 and is then discharged by the smoke exhaust fan 3, the air above the top cover body 11 enters the middle chamber and the electric control chamber b through the air inlet gap a and the detection air inlet 141, the flowing directions of the air at the two positions are different, and the main air duct d is separated from the detection air duct, so that the effectiveness of the detection result of the air quality detection module 4 is not influenced.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an adopt lampblack absorber of air quality detection module, includes top cap (1) and panel (2), its characterized in that: still including main wind channel (d) that is provided with smoke exhaust fan (3), at top cap (1) with automatically controlled chamber (b) between panel (2), be provided with the detection air intake on top cap (1), form panel air intake (211) intercommunication on panel (2) main wind channel (d), be formed with guide wind gap (221) on panel (2), electrically controlled chamber (b) and the outside are through detecting the air intake intercommunication, detect the air intake with guide wind gap (221) intercommunication and form and detect the wind channel be provided with air quality detection module (4) in the detection wind channel.

2. The range hood adopting the air quality detection module according to claim 1, wherein the detection air inlet is an air inlet gap (a) formed between an outer wall surface of the main air duct (d) and the top cover (1), and/or a detection air inlet (141) formed on the top cover (1), the air quality detection module (4) comprises a fixed frame (41), the fixed frame (41) is detachably connected in an electric control cavity (b) between the top cover (1) and the panel (2), the air quality detection module (4) comprises a module shell (42), a module air inlet (421) and a module air outlet (422) are arranged on the module shell, the two are communicated, and a detection element is arranged on a communication channel between the two and is used for detecting dust particles or detecting VOCs components, and the module air inlet (421) is communicated with the detection air inlet (141) on the top cover.

3. The range hood adopting the air quality detection module as recited in claim 2, wherein the range hood is provided with a driving air direction part forming a unidirectional air flow in the communication channel, and the driving air direction part is a fan arranged in the detection air channel and located in the module housing (42) and/or a fan arranged outside the module housing (42); the driving wind direction part is a heater arranged in the module shell (42), and the heater is independently used as the driving wind direction part, or the heater and a fan arranged on the inner side of the panel (2) are jointly used as the driving wind direction part.

4. The range hood adopting the air quality detection module as recited in claim 3, wherein the fan arranged outside the module housing (42) is a guide fan (43), the guide fan (43) is arranged outside the module housing (42) and inside the panel (2) for supplying air to the outside of the guide air inlet (221), and the guide fan (43) is solely used for forming a unidirectional air flow in the communication channel; the fan is an inner fan and is positioned in the module shell (42), and the inner fan is used for independently forming unidirectional airflow in the communication channel; or the inner fan and the guide fan (43) form a one-way airflow in the electric control cavity (b) together, and the one-way airflow in the module shell (42) is communicated with the communication channels of the module air inlet (421) and the module air outlet (422).

5. The range hood adopting the air quality detection module as recited in claim 3, wherein a heater arranged in the module housing (42) heats air to form natural convection air flow, and the air flow forms unidirectional air flow in the communication channel; or the driving wind direction part comprises a heater arranged in the module shell (42) and a guide fan (43) arranged outside the module shell (42), the guide fan (43) is arranged outside the module shell (42) and arranged on the inner side of the panel (2), the guide fan and the guide fan jointly form one-way airflow in the electric control cavity (b), and the one-way airflow in the module shell (42) is communicated with the module air inlet (421) and the module air outlet (422) and communicated with the communication channel.

6. The range hood adopting the air quality detection module as claimed in any one of claims 1 to 5, wherein the main air duct (d) is separated from the detection air duct, the interiors of the main air duct and the detection air duct are not communicated with each other, and detected air exhausted from the guide air opening (221) enters the main air duct (d) through a panel air inlet (211) arranged on the panel (2).

7. The range hood adopting the air quality detection module as claimed in claim 6, wherein an outer wall surface of the main air duct (d), the top cover (1) and the panel (2) enclose into a middle chamber, a bottom surface of the main air duct (d) is the lowest surface of the range hood, the detection air inlet is communicated with the middle chamber, the middle chamber is communicated with the detection air duct, and the main air duct (d) is not communicated with the detection air duct.

8. The range hood adopting the air quality detection module according to any one of claims 2 to 5, wherein an outer wall surface of the main air duct (d), the top cover (1) and the panel (2) enclose an intermediate chamber, a bottom surface of the main air duct (d) is located in the intermediate chamber, the main air duct (d) is communicated with the intermediate chamber through an oil leakage hole (51) formed in the main air duct (d), and the oil leakage hole (51) is located in a negative pressure region of the main air duct (d); the electric control cavity (b) is communicated with the middle chamber, and the module air inlet (421) is positioned between the communication position and the detection air inlet.

9. The range hood adopting the air quality detection module as recited in claim 8, wherein air entering the electronic control cavity (b) through the detection air inlet enters the communication channel through a module air inlet (421) on a module housing (42) and is detected by the detection element, and the air detected by the detection element is discharged through the guide air inlet (221) or flows downwards along a side wall surface of the main air duct (d) to the middle chamber.

10. The range hood with the air quality detection module according to claim 1, further comprising an air collecting box assembly (5), wherein the air collecting box assembly (5) is provided with an air box air inlet (52), an air box air outlet and an oil leakage hole (51), a main air channel (d) is formed between the air box air inlet (52) and the air box air outlet, the main air channel (d) is arranged on one side, close to an air box outlet, of the main air channel (d), the part, provided with the smoke exhaust fan (3), of the main air channel (d) is a smoke exhaust channel section, an air inlet gap (a) is formed between the outer wall face of the smoke exhaust channel section and the top cover (1), the top cover (1) and the panel (2) are enclosed to form a shell with a cavity, the part, located below the smoke exhaust channel section, of the air collecting box assembly (5) is arranged in the cavity of the shell, and the part, located between the outer wall face of the part, located below the smoke exhaust channel section, of the air collecting box assembly (5) and the top cover (1) and the panel (2) forms a middle cavity.