CN211876113U - An energy-saving range hood - Google Patents

Abstract

The utility model discloses an energy-conserving range hood, including the cigarette machine body, the cigarette machine body includes electrical components, shell and impeller, still includes generating set, generating set installs in the cigarette machine body, generating set includes magnetic field subassembly, magnetizer and accumulator, the impeller is in do the back-and-forth movement in the magnetic field, the magnetizer is fixed on the impeller, the battery is connected with the magnetizer electricity, the accumulator is installed in the cigarette machine body, just the accumulator is connected with the electrical components electricity of cigarette machine body. The utility model discloses an increase generating set in the cigarette machine is originally internal, utilize generating set's electromagnetic induction principle to collect the cigarette machine and close and the impeller continues pivoted kinetic energy and generates electricity to carry out the nondestructive braking to the impeller, compare with prior art, can not only realize energy recuperation, the energy saving can reduce range hood's fan unnecessary wearing and tearing moreover, prolongs the life of fan.

Description

An energy-saving range hood

technical field

The utility model relates to a range hood, in particular to an energy-saving range hood.

Background technique

In recent years, with the popularity of range hoods and people's preference for high-volume range hoods, the energy consumption of range hoods has gradually attracted people's attention. The “Limited Values and Energy Efficiency Levels of Hoods” stipulates the energy-saving evaluation values of range hoods, etc., to guide the development direction of the industry and guide people’s consumption. In the GB 29539 standard, there are evaluation requirements for the power consumption of stand-by and shutdown when the range hood is not running. Although the range hoods on the market now meet the energy efficiency requirements, they still consume a certain amount of power in the standby and shutdown states. resulting in wasted energy. At present, there is no effective solution to the above problems for the hood products on the market.

Utility model content

The technical problem to be solved by the utility model is to provide an energy-saving range hood that solves the above problems.

The solution of the utility model to solve the technical problem is as follows: an energy-saving range hood, including a hood body, the hood body includes electrical components, a casing and an impeller, and a generator set, and the generator set is installed on the hood. In the main body, the generator set includes a magnetic field assembly, a magnetic conductor and an accumulator, the magnetic field assembly is installed in the casing, and the magnetic field assembly forms a magnetic field passing through the impeller, and the impeller rotates in the magnetic field The magnetic conductor is fixed on the impeller, the battery is electrically connected to the magnetic conductor, the accumulator is installed in the hood body, and the accumulator is electrically connected to the electrical components of the hood body.

The beneficial effects of the utility model are as follows: the utility model adds a generator set in the hood body, uses the electromagnetic induction principle of the generator set to collect the kinetic energy of the hood when the hood is closed and the impeller continues to rotate to generate electricity, and performs non-destructive braking on the impeller. Compared with the prior art, it can not only realize energy recovery and save energy, but also reduce unnecessary wear of the fan of the range hood and prolong the service life of the fan.

As a further improvement of the above technical solution, the magnetic field assembly includes a fixed permanent magnet and a movable permanent magnet, the housing includes a fan cover, the impeller is installed in the fan cover, and the fixed magnet is embedded on the surface of the fan cover, so The movable permanent magnet is movably connected with the housing through a driving device. The magnetic field is formed by two opposite permanent magnets. When the range hood is working normally, by rotating the movable permanent magnet, the fixed permanent magnet and the movable permanent magnet can be staggered from each other, so as to prevent the impeller from generating electromagnetic induction. Braking affects smoke extraction.

As a further improvement of the above technical solution, the driving device includes a driving motor, a rotating shaft and a rotating frame, the movable permanent magnet is fixed on the rotating frame, the driving motor is fixed on the casing, and the driving motor drives the rotating frame through the rotating shaft. turn. When the range hood is turned off, the drive motor drives the turret to rotate, and the turret drives the movable permanent magnets, so that the fixed permanent magnets and the movable permanent magnets form a relatively strong magnetic field, and when the impeller rotates in the magnetic field, Through electromagnetic induction, the kinetic energy of the impeller is converted into electrical energy.

As a further improvement of the above technical solution, it also includes a door panel, the door panel is movably connected to the housing, the hood body includes an air inlet, the door panel is installed on the air inlet, and the door panel is connected to the driving device. By adding a door panel, the air inlet can be blocked when the hood is closed; at the same time, the closing action of the door panel is associated with the action of the movable permanent magnet, so that when the door panel is closed, the movable permanent magnet and the fixed permanent magnet can form a better the magnetic field.

As a further improvement of the above technical solution, the impeller is annular, and the magnet conducting body is a plurality of metal wires, and the plurality of metal wires are surrounded on the surface of the impeller.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly describes the accompanying drawings that are used in the description of the embodiments. Obviously, the described drawings are only a part of the embodiments of the present invention, but not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings according to these drawings without creative work.

Fig. 1 is the three-dimensional schematic diagram of the range hood of the present invention;

2 is a side view of the range hood of the present invention;

3 is a schematic structural diagram of the impeller of the range hood of the present invention.

Detailed ways

The concept, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, those skilled in the art can obtain other embodiments without creative work, All belong to the protection scope of the present invention. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphs, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. , but it cannot be construed as a limitation on the protection scope of the present invention.

In the description of the present utility model, it should be understood that the orientation descriptions related to orientations, such as up, down, front, rear, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution . At the same time, various technical features in the present invention can be combined interactively on the premise of not contradicting each other.

1 to 3, an energy-saving range hood includes a hood body 100, the hood body 100 includes electrical components, a casing 110 and an impeller 120, and also includes a generator set 200, the generator set 200 is installed in the hood In the machine body 100, the generator set 200 includes a magnetic field assembly 210, a magnetic conductor 220 and an accumulator, the magnetic field assembly 210 is installed in the casing 110, and the magnetic field assembly 210 forms a magnetic field passing through the impeller 120, so The impeller 120 rotates in the magnetic field, the magnetic conductor 220 is fixed on the impeller, the battery is electrically connected to the magnetic conductor 220, the accumulator is installed in the hood body 100, and the accumulator is connected to the hood. The electrical components of the hood body 100 are electrically connected.

As a further preferred embodiment, the magnetic field assembly 210 includes a fixed permanent magnet 211 and a movable permanent magnet 212, the housing 110 includes a fan cover 111, the impeller 120 is installed in the fan cover 111, and the fixed magnet 211 is embedded in the fan cover 111. On the surface of the fan cover 111 , the movable permanent magnet 212 is movably connected to the housing 110 through the driving device 300 .

As a further preferred embodiment, the driving device 300 includes a driving motor 310, a rotating shaft 320 and a rotating frame 330, the movable permanent magnet 212 is fixed on the rotating frame 330, the driving motor 310 is fixed on the casing 110, and the The driving motor 310 drives the rotating frame 330 to rotate through the rotating shaft 320 .

As a further preferred embodiment, it also includes a door panel 130, the door panel 130 is movably connected to the housing 110, the hood body 100 includes an air inlet, the door panel 130 is installed on the air inlet, and the door panel 130 is connected to the air inlet. The drive device 300 is connected.

As a further preferred embodiment, the impeller 120 is annular, the magnetic conductor 220 is a plurality of metal wires, and a plurality of the metal wires surround the surface of the impeller.

When the range hood is not started, the door panel 130 is in a closed state, so that the door panel 130 blocks the air inlet, which not only makes the range hood more beautiful, but also prevents insects and other small animals from crawling into the interior of the hood, causing damage to the hood. It is unnecessary to damage; and at this time, the movable permanent magnet 212 is also opposite to the fixed permanent magnet 211, and the two form a strong magnetic field around the impeller.

When the range hood is started, the drive motor 310 drives the door panel 130 and the movable permanent magnet 212 to rotate, the air inlet is opened, and the impeller 120 rotates at a high speed under the drive of the fan, thereby rapidly discharging the kitchen fumes. . At this time, referring to the dotted line and the structure in FIG. 2 , the door panel 130 is opened outward, and the movable permanent magnet 212 swings downward, and the movable permanent magnet 212 and the fixed permanent magnet 211 are staggered from each other. When it is lowered, the impeller 120 is hardly affected by the magnetic field when it rotates at a high speed.

When the range hood is turned off, the impeller is kept at about 1000 r/min. At this time, the drive motor drives the door panel 130 and the movable permanent magnet 212. The door panel 130 blocks the air inlet, and the movable permanent magnet 212 approaches the The above-mentioned fixed permanent magnet 211, the two permanent magnets form a strong magnetic field, the impeller 120 continues to perform a circular cutting magnetic field line motion in this strong magnetic field due to the usual reasons, and the metal wire on the impeller 120 will generate current. Then, through the conversion circuit board of the generator set, the alternating current is converted into direct current, and then the direct current is stored in the accumulator, and the electric energy stored in the accumulator can be used for the lighting of the range hood, etc., saving the comprehensive energy of the range hood consumption. At the same time, by adding a generator set, the principle of electromagnetic induction is used to generate electricity, and the principle of electromagnetic induction is used to perform non-destructive braking of the fan.

The preferred embodiments of the present invention have been specifically described above, but the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or variations without departing from the spirit of the present invention. Alternatives, these equivalent modifications or substitutions are all included within the scope defined by the claims of the present application.

Claims (5)

1. The utility model provides an energy-conserving range hood, includes the cigarette machine body, the cigarette machine body includes electrical components, shell and impeller, its characterized in that: still include generating set, generating set installs in the cigarette machine body, generating set includes magnetic field subassembly, magnetizer and accumulator, the magnetic field subassembly is installed in the shell, the magnetic field subassembly forms one and passes the magnetic field of impeller, the impeller is in do the gyration motion in the magnetic field, the magnetizer is fixed on the impeller, the accumulator is connected with the magnetizer electricity, the accumulator is installed in the cigarette machine body, just the accumulator is connected with the electrical components electricity of cigarette machine body.

2. The energy-saving range hood of claim 1, wherein: the magnetic field component comprises a fixed permanent magnet and a movable permanent magnet, the shell comprises a fan cover, the impeller is installed in the fan cover, the fixed permanent magnet is embedded on the surface of the fan cover, and the movable permanent magnet is movably connected with the shell through a driving device.

3. The energy-saving range hood of claim 2, wherein: the driving device comprises a driving motor, a rotating shaft and a rotating frame, the movable permanent magnet is fixed on the rotating frame, the driving motor is fixed on the shell, and the driving motor drives the rotating frame to rotate through the rotating shaft.

4. The energy-saving range hood of claim 3, wherein: the cigarette making machine is characterized by further comprising a door plate, the door plate is movably connected with the shell, the cigarette making machine body comprises an air inlet, the door plate is installed on the air inlet, and the door plate is connected with the driving device.

5. The energy-saving range hood of claim 1, wherein: the impeller is annular, the magnetizer is a plurality of metal wires, and the metal wires are surrounded on the surface of the impeller.

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