CN219140866U

CN219140866U - Range hood with wind speed monitoring function

Info

Publication number: CN219140866U
Application number: CN202320089569.4U
Authority: CN
Inventors: 黎振豪; 张浩明
Original assignee: Guangdong Atlan Electronic Appliance Manufacture Co Ltd
Current assignee: Guangdong Atlan Electronic Appliance Manufacture Co Ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-06-06
Anticipated expiration: 2033-01-31

Abstract

The utility model discloses a range hood with a wind speed monitoring function, which comprises a housing, wherein a centrifugal fan is arranged in the housing, a smoke exhaust port used for being arranged at the rear upper part of a kitchen range is arranged at the front side of the housing, the centrifugal fan is provided with a fan housing, the fan housing comprises a front side plate, a fan air inlet is formed in the front side plate, an impeller is arranged in the fan housing, the axis of the impeller is obliquely arranged, the fan air inlet and the impeller are coaxially arranged, the fan air inlet is arranged facing the front lower part, the fan air inlet is arranged at the rear upper part of the smoke exhaust port, a fan air outlet used for being connected with an exhaust pipe is arranged at the upper end of the fan housing, a wind speed sensor is arranged in the fan air outlet, the wind speed sensor is arranged on the inner wall of the front side plate, and a control circuit is electrically connected with a wind speed sensor and a display module. The range hood provided by the utility model enables a user to more intuitively know whether maintenance work of the range hood is required to be arranged or not by displaying the real-time working condition of the desorption range hood through the display module.

Description

Range hood with wind speed monitoring function

Technical Field

The utility model relates to the field of range hoods, in particular to a range hood with a wind speed monitoring function.

Background

At present, a kitchen of a residence is generally provided with a range hood, and a traditional range hood product only simply sets a gear switch (such as a high gear, a middle gear and a low gear) to enable a user to desorb the current working state of the range hood on the surface, but the actual working state of the range hood is not obtained by the user, particularly after the range hood is used for a period of time, oil stains are accumulated on the inner wall area of the range hood, a certain amount of oil stains are accumulated on the impeller of a fan of the range hood, so that the smoke discharging performance of the range hood is greatly reduced, the user cannot know the specific reduction range of the smoke discharging performance, and the time for cleaning the interior of the range hood cannot be mastered, so that the range hood in the prior art is necessary to be improved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a range hood with a wind speed monitoring function, which can enable a user to desorb real-time working conditions of the range hood and more intuitively enable the user to know whether maintenance work of the range hood is required to be arranged.

The aim of the utility model is achieved by the following technical scheme.

The utility model discloses a range hood with a wind speed monitoring function, which comprises a housing, wherein a centrifugal fan is arranged in the housing, a smoke exhaust inlet used for being arranged at the rear upper part of a kitchen range is arranged at the front side of the housing, the centrifugal fan is provided with a fan housing, the fan housing comprises a front side plate, a fan air inlet is formed in the front side plate, an impeller is arranged in the fan housing, the axis of the impeller is obliquely arranged, the fan air inlet and the impeller are coaxially arranged, the fan air inlet is arranged at the front lower part, the fan air inlet is arranged at the rear upper part of the smoke exhaust inlet, a fan air outlet used for being connected with an exhaust pipe is arranged at the upper end of the fan housing, a wind speed sensor is arranged in the fan air outlet, and the wind speed sensor is arranged on the inner wall of the front side plate; the wind speed sensor is characterized by further comprising a control circuit and a display module, wherein the control circuit is electrically connected with the wind speed sensor and the display module.

Preferably, the control circuit is electrically connected with a WIFI module for connecting with a mobile phone.

Preferably, a front upper portion of the housing is provided with a panel glass, and the control circuit and the display module are disposed at a rear side of the panel glass.

Preferably, a casing air outlet is formed in the top of the casing, an air box is arranged on the upper side of the casing, the lower end of the air box is connected with the casing air outlet in a communicated mode, an air box top plate is arranged at the upper end of the air box, a smoke machine air outlet is formed in the air box top plate, an air outlet flange which is horizontally arranged is arranged at the air outlet of the fan, the air outlet flange is connected with the edge part of the smoke machine air outlet in an installation mode, and the centrifugal fan penetrates through the casing air outlet to be arranged.

Preferably, the air inlet of the fan is provided with a protective net.

Compared with the prior art, the utility model has the beneficial effects that: the upper end through setting up the fan shell is equipped with the fan air outlet that is used for connecting the exhaust pipe, is equipped with wind speed sensor in the fan air outlet, and wind speed sensor installs on the inner wall of preceding curb plate, and wind speed sensor and display module are connected to the control circuit electricity for the user can have made the real-time operating condition of desorption lampblack absorber through display module, lets the user know more directly perceivedly whether need arrange the maintenance work to the lampblack absorber.

Drawings

Fig. 1 is a schematic view showing a rear plan view of a range hood according to the present utility model.

Fig. 2 is a schematic diagram of a partial structure at a in fig. 1.

Fig. 3 is a schematic perspective view of the range hood according to the present utility model.

Fig. 4 is an exploded view of the range hood of the present utility model.

Fig. 5 is a schematic view showing a sectional structure of the range hood according to the present utility model in a right view.

Fig. 6 is a schematic perspective sectional structure of the range hood of the present utility model.

Fig. 7 is a schematic view showing a sectional structure of a centrifugal fan of the range hood according to the present utility model in a right-hand view.

Fig. 8 is a schematic perspective view of a range hood according to the present utility model.

Description of the reference numerals: a housing 1; a smoke machine suction inlet 101; a housing outlet 102; a bellows 2; a bellows top plate 21; a smoke exhaust outlet 201; a centrifugal fan 3; a fan housing 30; a front side plate 31; a rear side plate 32; a worm plate 33; an impeller 34; a fan air inlet 301; a protective net 3011; a fan outlet 302; an outlet flange 3021; a wind speed sensor 4; a panel glass 5; a damper 6; and an exhaust duct 99.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The range hood with the wind speed monitoring function, as shown in fig. 4 and 5, comprises a housing 1, wherein a centrifugal fan 3 is arranged in the housing 1, as shown in fig. 3, a range hood air suction opening 101 for being arranged at the rear upper part of a kitchen range is arranged at the front side of the housing 1, that is, the range hood is a side-suction type range hood, as shown in fig. 5, and an air door 6 is correspondingly arranged at the range hood air suction opening 101. As shown in fig. 7, the centrifugal fan 3 is provided with a fan housing 30, the fan housing 30 includes a front side plate 31, a fan air inlet 301 is formed in the front side plate 31, an impeller 34 is provided in the fan housing 30, a rear side plate 32 and a volute plate 33 are further provided in the centrifugal fan 3, the volute plate 33 is arranged between the front side plate 31 and the rear side plate 32, the front side plate 31, the rear side plate 32 and the volute plate 33 enclose a volute structure, as shown in fig. 5, an axis of the impeller 34 is obliquely arranged, that is, an included angle is formed between an axis of the impeller 34 and a horizontal plane, the fan air inlet 301 and the impeller 34 are coaxially arranged, the fan air inlet 301 is arranged facing forward and downward, the fan air inlet 301 is arranged above and behind the smoke exhaust inlet 101, as shown in fig. 4 and 5, a fan air outlet 302 for connecting an exhaust pipe 99 is provided at an upper end of the fan housing 30, as shown in fig. 1, 2 and 6, a wind speed sensor 4 is provided in the fan air outlet 302, as shown in fig. 5 and 6, and the wind speed sensor 4 is mounted on an inner wall of the front side plate 31. The wind speed sensor 4 belongs to the prior art, and can be referred to a 'wind speed sensor' with the Chinese patent publication number of CN209387674U by way of example; the range hood also comprises a control circuit and a display module, wherein the control circuit is electrically connected with the wind speed sensor 4 and the display module.

As shown in fig. 5, when the range hood of the present utility model is in operation, the centrifugal fan 3 is operated, the cooking fume generated by the food in the cooker on the kitchen range is sucked by the range hood air suction port 101 and flows upward, the cooking fume enters the casing 1, the cooking fume enters the fan casing 30 through the fan air suction port 301, then the cooking fume is discharged upward to the exhaust duct 99 through the fan air outlet 302, the exhaust duct 99 is connected with the flue of the building or the outdoor environment, during which the cooking fume drives the "cup" of the wind speed sensor 4 to rotate, the wind speed sensor 4 correspondingly sends an electrical signal to the control circuit, the control circuit transmits the display signal to the display module, the display module can represent the speed of the current exhaust air of the range hood in the form of a percentage number (namely, can be understood as the smoke discharging performance of the range hood), or the display module represents the speed of the current exhaust air of the range hood in the form of a graph, or the display module directly displays the specific speed value of the current exhaust air of the range hood, thus the user can intuitively know whether the range hood needs to maintain the working condition of the range hood in real time. In addition, the control circuit can be electrically connected with the alarm, when the range hood is in a working state, if the speed value of the exhaust air flow of the range hood is monitored to be lower than a set value, the control circuit correspondingly controls the alarm to alarm, so that a user can be reminded of carrying out corresponding treatment. As shown in fig. 5, because the axis of the impeller 34 is obliquely arranged, the fan air inlet 301 is arranged to face forward and downward, and the fan air inlet 301 is arranged above the rear of the smoke machine air suction inlet 101, so that the fan air inlet 301 can be arranged close to the smoke machine air suction inlet 101, and the fan air inlet 301 is facilitated to suck the oil smoke air flow flowing upward and backward; the axial line of the impeller of the fan of the side-draught range hood in the prior art is horizontally arranged, so that the air inlet of the fan is arranged facing forward, and the lampblack flow can enter the volute only by turning greatly, so that the lampblack flow receives larger resistance, and the structure of the range hood is beneficial to improving the lampblack absorbing performance. As shown in fig. 5, since a section of the exhaust duct 99 connected to the fan outlet 302 is vertically arranged, and then the exhaust duct 99 is connected to the flue by turning left or right, the air flow discharged from the fan outlet 302 needs to flow upward with a small margin, and the air pressure at the front position (i.e. the outer side of the curve) where the exhaust duct 99 is connected to the fan outlet 302 is increased and the flow speed is reduced due to the inertia of the air flow.

Further, the control circuit is electrically connected with the WIFI module for connecting the mobile phone, specifically speaking, the WIFI module is wirelessly connected with the router of the family, the mobile phone of the user is simultaneously connected with the router of the family, the mobile phone of the user can install corresponding APP, the working state of the range hood (comprising the fume exhaust speed information of the range hood obtained through the wind speed sensor 4) is obtained through the APP, the router of the family can be connected with the Internet, so that the working state information of the range hood can be obtained when the user goes out, and the interconnection of people and the range hood is further promoted.

Further, as shown in fig. 3, the front upper portion of the casing 1 is provided with a panel glass 5, and as shown in fig. 5, the control circuit and the display module are provided at the rear side of the panel glass 5, so that the user can conveniently view the content displayed by the display module through the panel glass 5.

Further, as shown in fig. 4, a casing air outlet 102 is formed at the top of the casing 1, as shown in fig. 3, a bellows 2 is provided at the upper side of the casing 1, the lower end of the bellows 2 is connected with the casing air outlet 102, specifically, the lower end of the bellows 2 is adapted to be inserted into the casing air outlet 102, a downward folded edge is formed at the edge of the casing air outlet 102, and the lower end of the bellows 2 is fixedly connected with the folded edge through a screw. As shown in fig. 4, the upper end of the bellows 2 is provided with a bellows top plate 21, the bellows top plate 21 is provided with a smoke exhaust port 201, as shown in fig. 4 and 7, the fan air outlet 302 is provided with an air outlet flange 3021 which is horizontally arranged, the air outlet flange 3021 is connected with the edge part of the smoke exhaust port 201 in a mounting manner, specifically, the air outlet flange 3021 is attached to the lower side of the edge part of the smoke exhaust port 201, as shown in fig. 5 and 6, the centrifugal fan 3 passes through the casing air outlet 102 to be arranged, that is, the upper part of the centrifugal fan 3 is hidden in the bellows 2, the lower part of the centrifugal fan 3 is hidden in the casing 1, the bellows 2 and the casing 1 form a casing of the smoke exhaust ventilator, and through the arrangement, the volume of the casing of the smoke exhaust ventilator is reduced, and the occupation space of the smoke exhaust ventilator is reduced.

Further, as shown in fig. 8, the fan air inlet 301 is provided with a protective net 3011, so that impurities with larger volume are prevented from being sucked into the fan housing 30, and the wind speed sensor 4 is prevented from being damaged due to collision of the impurities.

Claims

1. The utility model provides a take range hood of wind speed monitoring function, includes casing (1), be equipped with centrifugal fan (3), its characterized in that in casing (1): the kitchen ventilator is characterized in that a ventilator air suction opening (101) used for being arranged above the rear of a kitchen range is formed in the front side of the kitchen range (1), a ventilator shell (30) is arranged on the centrifugal ventilator (3), the ventilator shell (30) comprises a front side plate (31), a ventilator air inlet (301) is formed in the front side plate (31), an impeller (34) is arranged in the ventilator shell (30), the axis of the impeller (34) is obliquely arranged, the ventilator air inlet (301) and the impeller (34) are coaxially arranged, the ventilator air inlet (301) is arranged below and above the rear of the ventilator air suction opening (101), a ventilator air outlet (302) used for being connected with an exhaust pipe (99) is formed in the upper end of the ventilator shell (30), a wind speed sensor (4) is arranged in the ventilator air outlet (302), and the wind speed sensor (4) is arranged on the inner wall of the front side plate (31); the wind speed sensor is characterized by further comprising a control circuit and a display module, wherein the control circuit is electrically connected with the wind speed sensor (4) and the display module.

2. The range hood with a wind speed monitoring function according to claim 1, wherein: the control circuit is electrically connected with a WIFI module for connecting a mobile phone.

3. The range hood with a wind speed monitoring function according to claim 1, wherein: the front upper part of the shell (1) is provided with a panel glass (5), and the control circuit and the display module are arranged on the rear side of the panel glass (5).

4. The range hood with a wind speed monitoring function according to claim 1, wherein: the top of casing (1) is formed with casing air outlet (102), the upside of casing (1) is equipped with bellows (2), the lower extreme of bellows (2) with casing air outlet (102) switch-on is connected, the upper end of bellows (2) is equipped with bellows roof (21), bellows roof (21) are formed with cigarette machine air outlet (201), fan air outlet (302) are equipped with air outlet flange (3021) that the level set up, air outlet flange (3021) with the marginal portion installation of cigarette machine air outlet (201) is connected, centrifugal fan (3) pass casing air outlet (102) set up.

5. The range hood with a wind speed monitoring function according to claim 1, wherein: the fan air inlet (301) is provided with a protective net (3011).