CN206207520U - Range hood with double-suction exhaust duct system - Google Patents

Abstract

The utility model discloses a range hood with a double-suction type air draft air duct system, which comprises a left air inlet mesh enclosure, a right air inlet mesh enclosure, a left wind wheel, a right wind wheel, a front wind cabinet shell, a rear wind cabinet shell, a motor bracket, a motor driving circuit board and a junction box, wherein the front wind cabinet shell and the rear wind cabinet shell are semicircular shells and are oppositely connected to form a wind cabinet; the motor rotates to drive the wind wheel to rotate, so that air flows to generate suction force, oil smoke is sucked from two ends of the wind cabinet, the suction force is strong, the sucked oil smoke is blown out relatively, and the exhaust speed of an air outlet at the upper end is accelerated; the motor is a variable-frequency speed regulating motor, so that the control of the wind speed and the setting of the wind speed gear are facilitated, the power consumption can be reduced and the noise during air suction can be reduced compared with the range hood on the market under the same air suction amount. The energy efficiency grade (A +) of the range hood can be improved.

Description

Range hood with double-suction exhaust duct system

technical field

The utility model relates to the field of range hoods, in particular to a range hood with a double-suction exhaust air duct system.

Background technique

Range hood, also known as range hood, is a kitchen appliance that purifies the kitchen environment. It is installed above the healthy and energy-saving range hood stove in the kitchen. It can quickly take away the waste burned by the stove and the oil fume harmful to the human body produced during the cooking process, and discharge it to the outside, reduce pollution, purify the air, and have anti-virus and explosion-proof safety guarantees. effect. The range hood is mainly composed of an organic shell, an air duct, a fan, a check valve, an oil collection and discharge device, a lighting device, a power switch and a power cord. The motor is the core part of the range hood. The motors in the range hoods currently on the market are basically fixed-frequency, and the power consumption is high. For the range hood with a large air volume, the noise is high and the power is high.

Utility model content

The main purpose of the utility model is to provide a range hood with adjustable wind speed and double-suction air duct system which can reduce power consumption and noise.

The utility model proposes a range hood with a double-suction exhaust duct system. Cabinet shell, rear wind cabinet shell, motor bracket, motor, motor drive circuit board, junction box, the front wind cabinet shell and the rear wind cabinet shell are semicircular shells, relatively connected to form a wind cabinet, the upper end of the wind cabinet An air outlet is provided, and air inlets are provided at the left and right ends; the motor bracket is installed in the inner cavity of the wind cabinet, and two motors placed back to back are installed on the motor bracket, and the left wind wheel is installed on the The left end of the inner chamber of the wind cabinet, the air inlet end of the left wind wheel is facing the left air inlet, the right wind wheel is installed on the right end of the inner cavity of the wind cabinet, the air inlet end of the right wind wheel Facing the right air inlet, the two motors respectively drive the left wind wheel and the right wind wheel in one-to-one correspondence; The cover is installed on the right air inlet; the motor is a variable frequency speed regulating motor, and the motor drive circuit board is electrically connected to the motor, and the motor drive circuit board is installed in the junction box, and the junction box is connected to at the bottom of the wind cabinet.

Preferably, a control switch electrically connected to the motor-driven circuit board is also included, and the control switch is a mechanical key switch, a light touch electronic key switch, a touch electronic switch or a remote control switch.

Preferably, a number of installation holes are provided on the left and right ends of the wind cabinet, and the edges of the left and right air inlet grilles are provided with connection holes corresponding to the installation holes one by one, and the corresponding Threaded fasteners are installed in the connection holes and the mounting holes, so that the left air intake net cover and the right air intake net cover are fixed.

The beneficial effects of the range hood with the double-suction air duct system of the utility model are as follows:

The double-suction exhaust duct system of the range hood of the utility model adopts left and right double wind wheels and double motors. Strong, the inhaled oil fumes are relatively blown out, and the discharge speed from the upper air outlet is accelerated; the utility model uses two smaller power wind wheels and motors to replace the existing high-power wind wheels and motors, reducing noise.

The utility model adopts a frequency conversion motor, which is beneficial to the control of the wind speed and the setting of the wind speed gear. The user can choose different gears according to the amount of cooking fumes in the kitchen. Choose high-grade, which has a large amount of exhaust air, which can instantly extract the oily fume and achieve the effect of quickly removing the oily fume. Compared with range hoods on the market, under the same air volume, the power consumption will be reduced, and the noise will also be reduced during air extraction. It can improve the energy efficiency class (A+) of the cooker hood.

Description of drawings

Fig. 1 is the structural exploded schematic view of the double-suction exhaust air duct system of the range hood of the present invention;

Fig. 2 is a perspective view of the double-suction exhaust air duct system of the range hood of the present invention.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 1 and Fig. 2, an embodiment of the range hood with double-suction exhaust air duct system of the present utility model is proposed:

A range hood with a double-suction exhaust duct system, the double-suction exhaust duct system includes a left air intake net cover 7, a right air intake net cover 8, a left wind wheel 5, a right wind wheel 6, a front wind Cabinet shell 2, rear wind cabinet shell 1, motor support 3, motor 4, motor drive circuit board 10, junction box 9 and control switch. The front wind cabinet shell 2 and the rear wind cabinet shell 1 are semicircular shells, which are relatively connected to form the wind cabinet 11. The upper end of the wind cabinet 11 is provided with an air outlet, and the left and right ends are provided with an air inlet. Wind cabinet 11 is the wind direction flow channel of the ventilation system for this purpose.

The motor support 3 is a device for fixing the motor 4 . The motor support 3 is installed in the inner cavity of the wind cabinet 11, and two motors 4 placed opposite to each other are installed on the motor support 3 . The left wind wheel 5 is installed on the left end of the inner chamber of the wind cabinet 11, the air inlet end of the left wind wheel 5 faces the left air inlet, the right wind wheel 6 is installed on the right end of the inner cavity of the wind cabinet 11, and the air inlet end of the right wind wheel 6 Facing the air inlet on the right. The two motors 4 respectively drive the left wind wheel 5 and the right wind wheel 6 in one-to-one correspondence. The motor 4 is a variable frequency speed regulating motor 4, the motor drive circuit board 10 is electrically connected with the motor 4, the motor drive circuit board 10 is installed in the junction box 9, and the junction box 9 is connected to the bottom of the wind cabinet 11. The motor 4 and the motor-driven circuit board 10 are devices that drive the left and right wind wheels 5 and 6 to rotate. The left and right wind wheels 5 and 6 make the airflow flow when rotating, and the oil fume is sucked into the wind cabinet 11, and then enters the air duct and is discharged outdoors.

The left air inlet net cover 7 is installed in the left air inlet, and the right air inlet mesh cover 8 is installed in the right air inlet. A number of mounting holes are provided on the left and right ends of the wind cabinet 11, and the edges of the left air intake net cover 7 and the right air intake net cover 8 are provided with connecting holes corresponding to the mounting holes one by one. Threaded fasteners are installed to fix the left air intake grille 7 and the right air intake grille 8. The left and right air intake guards 8 are protection devices, preventing the hand from entering and being injured when cleaning.

The control switch is a switch for controlling the motor 4 and adjusting the wind speed. The control switch is electrically connected with the motor driving circuit board 10 . The control switch is a mechanical key switch, a light touch electronic key switch, a touch electronic switch or a remote control switch.

When the range hood is started, the motor 4 rotates to drive the left and right wind wheels 5 and 6 to rotate, so that the gas flow generates suction, and the lampblack is sucked into the range hood from the outside of the range hood, and then enters the air duct of the exhaust system and then discharged outdoor. This ventilation system is designed with 5 different gears, and the highest gear is an intelligent gear, and the motor 4 will automatically jump to the next gear after running for 1 minute. Users can choose different gears according to the amount of cooking fume in the kitchen. When there is little cooking fume, choose a low-speed gear to use, and the power consumption will also be reduced. Effect. Compared with the range hoods on the market, under the same air volume, the power consumption will be reduced, and the noise during the air extraction will also be reduced. It can improve the energy efficiency class (A+) of the cooker hood.

The double-suction air duct system of the range hood adopts left and right double wind wheels and double motors 4. The rotation of the motors 4 drives the wind wheels to rotate to make the gas flow generate suction. Strong, the inhaled oil fume is relatively blown out, and the discharge speed from the upper exhaust port is accelerated. The double-suction exhaust air duct system of this range hood has the advantages of multi-level control, low noise, energy saving and environmental protection, and the energy efficiency reaches A+ level. The entire exhaust system can be installed on different styles of hoods.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (3)

1. A range hood with a double-suction air duct system, characterized in that its double-suction air duct system comprises a left air intake net cover, a right air intake net cover, a left wind wheel, a right wind wheel, The front wind cabinet shell, the rear wind cabinet shell, the motor bracket, the motor, the motor drive circuit board, and the junction box, the front wind cabinet shell and the rear wind cabinet shell are semicircular shells, which are relatively connected to form a wind cabinet, and the wind cabinet The upper end of the upper end is provided with an air outlet, and the left and right ends are provided with an air inlet; the motor bracket is installed in the inner cavity of the wind cabinet, and two motors placed with their backs are installed on the motor bracket, and the left wind wheel is installed At the left end of the inner cavity of the wind cabinet, the air inlet end of the left wind wheel faces the left air inlet, the right wind wheel is installed at the right end of the inner cavity of the wind cabinet, and the air inlet of the right wind wheel The air end faces the right air inlet, and the two motors respectively drive the left wind wheel and the right wind wheel in one-to-one correspondence; the left air inlet grille is installed on the left air inlet, and the right The air net cover is installed on the right air inlet; the motor is a variable frequency speed regulating motor, and the motor drive circuit board is electrically connected with the motor, and the motor drive circuit board is installed in the junction box, and the wiring The box is attached at the bottom of the wind cabinet. 2. The range hood with a double-suction air duct system according to claim 1, further comprising a control switch electrically connected to the motor drive circuit board, the control switch being a mechanical key switch , Light touch electronic key switch, touch electronic switch or remote control switch. 3. The range hood with a double-suction air duct system according to claim 1 or 2, characterized in that, a number of installation holes are provided on the left and right ends of the air cabinet, and the left air inlet net The edge of the cover and the right air inlet net cover are provided with connection holes corresponding to the installation holes one by one, and threaded fasteners are installed in the corresponding connection holes and installation holes, so that the left air intake net cover and the right air intake net The hood is fixed.