CN215597374U

CN215597374U - Fume exhaust fan

Info

Publication number: CN215597374U
Application number: CN202121690753.1U
Authority: CN
Inventors: 刘畅; 成卫松; 张鲁涛
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-01-21
Anticipated expiration: 2031-07-23

Abstract

The utility model provides a range hood, which comprises a range hood main body, lighting equipment, a controller and optical signal acquisition equipment arranged in the range hood main body; the cigarette machine main body comprises a first panel and a glass panel arranged on the outer side of the first panel, at least one glass silk-screen opening is formed in the glass panel, and the optical signal acquisition equipment is fixedly arranged on the first panel through a liftable supporting structure and is arranged corresponding to the glass silk-screen opening; the light signal acquisition equipment acquires light signals in a cooking scene through the glass silk screen printing open holes and sends the light signals to the controller, and the controller compares the light signals and generates a trigger signal to trigger the lighting equipment to be turned on or turned off according to a comparison result. When realizing that light signal collection equipment avoids being infected with of other pollutants such as greasy dirt in this embodiment, can successfully gather the light signal of ambient light, guaranteed data acquisition's accuracy, improved the sensitivity of opening or closing the trigger operation to the light in the lampblack absorber, promoted user's use and experienced the sense.

Description

Fume exhaust fan

Technical Field

The utility model relates to the technical field of intelligent equipment, in particular to a range hood.

Background

The light of lampblack absorber on the existing market is acquiescently opened under the control states such as gesture or smoke stove linkage. However, in an actual cooking scene, a user often does not need illumination of an illumination lamp under a bright condition, the user needs to manually turn off the illumination lamp at the moment, and the user also needs to manually turn on the illumination lamp under a dark condition, so that the user experience is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a range hood, aiming at overcoming the defect that the use experience of a user is poor due to the fact that a lighting lamp of the range hood in the prior art needs to be manually turned on and off by the user according to the use requirement of an actual cooking scene.

The utility model solves the technical problems through the following technical scheme:

the utility model provides a range hood which comprises a range hood main body, lighting equipment, a controller and at least one optical signal acquisition device arranged in the range hood main body, wherein the lighting equipment and the optical signal acquisition device are in communication connection with the controller;

the cigarette machine main body comprises a first panel and a glass panel arranged on the outer side of the first panel, at least one glass silk-screen opening is formed in the glass panel, and the optical signal acquisition equipment is arranged corresponding to the position of one glass silk-screen opening;

the optical signal acquisition equipment is arranged on a supporting structure so as to be fixedly arranged on the first panel through the supporting structure, the supporting structure comprises a telescopic supporting piece and a driving piece, and the driving piece is electrically connected with the controller;

the light signal collecting device is used for collecting light signals in a cooking scene through the glass silk screen printing open holes, converting the light signals into corresponding electric signals and sending the electric signals to the controller, the controller is used for receiving the electric signals, comparing the electric signals, generating trigger signals according to comparison results and sending the trigger signals to the lighting device, and the lighting device is used for being turned on or turned off according to the trigger signals.

Preferably, the driving part is used for driving the supporting part to drive the optical signal acquisition device to move, so that the distance between the probe of the optical signal acquisition device and the glass silk-screen opening is smaller than a set value.

Preferably, the support structure is welded or screwed to the first panel.

Preferably, the cigarette machine main body further comprises a cover plate arranged between the first panel and the glass panel, and a second hole structure is formed in the position, corresponding to the position of the optical signal acquisition equipment, on the cover plate.

Preferably, a side of the second hole structure close to the optical signal acquisition device is provided with a lead angle structure adapted to a probe structure of the optical signal acquisition device.

Preferably, the first panel is a printed circuit board, the optical signal acquisition device and the controller are both fixedly arranged on the printed circuit board, and the optical signal acquisition device and the controller are in communication connection through a copper wire on the printed circuit board.

Preferably, the controller comprises an MCU (micro control unit).

Preferably, the optical signal acquisition device comprises an optical sensor.

Preferably, the diameter of the opening of the glass silk-screen opening is larger than that of the probe of the optical sensor.

Preferably, the range hood includes one the light signal collecting device and is arranged at one side of the first panel.

On the basis of the common knowledge in the field, the preferred conditions can be combined randomly to obtain the preferred embodiments of the utility model.

The positive progress effects of the utility model are as follows:

(1) the optical signal acquisition equipment is arranged in the range hood, and the glass screen printing opening matched with the optical signal acquisition equipment is arranged on the glass panel, so that the optical signal acquisition equipment is prevented from being contaminated by other pollutants such as oil stains and the like, and meanwhile, the optical signal of ambient light can be successfully acquired, the accuracy of data acquisition is ensured, the sensitivity of the operation of starting or closing the illuminating lamp in the range hood is improved, and the use experience of a user is effectively improved; (2) the optical signal acquisition equipment is fixed on the first panel by adopting the supporting structure, and the controller drives and adjusts the telescopic condition of the supporting structure while ensuring the stable structure, so that the probe of the optical signal acquisition equipment can be close to the glass panel as much as possible, and the accuracy of optical signal acquisition is improved; (3) all set firmly light signal acquisition equipment and controller on PCB printed circuit board and both carry out data signal transmission through the copper line on the printed circuit board, need not to fix through other communication connection lines and plus structure, when having reduced product cost, guaranteed data transmission's reliability, promoted the whole product property ability of lampblack absorber.

Drawings

Fig. 1 is a schematic structural diagram of a range hood according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a first panel according to a preferred embodiment of the utility model.

FIG. 3 is a schematic structural diagram of a glass panel according to a preferred embodiment of the utility model.

Fig. 4 is a schematic diagram of a connection relationship of first equipment in the range hood according to the preferred embodiment of the present invention.

Fig. 5 is a schematic diagram of a connection relationship of second equipment in the range hood according to the preferred embodiment of the present invention.

Fig. 6 is a schematic diagram of a connection relationship of third equipment in the range hood according to the preferred embodiment of the utility model.

FIG. 7 is a schematic diagram of the position relationship between the glass screen printing holes and the photo sensors according to the preferred embodiment of the utility model.

Fig. 8 is a schematic structural diagram of a light sensor according to a preferred embodiment of the utility model.

FIG. 9 is a first structural schematic diagram of a supporting structure according to a preferred embodiment of the utility model.

FIG. 10 is a second structural diagram of the supporting structure according to the preferred embodiment of the utility model.

Fig. 11 is a first structural diagram of a cover plate according to a preferred embodiment of the utility model.

Fig. 12 is a second structural diagram of the cover plate according to the preferred embodiment of the utility model.

FIG. 13 is a schematic view of the structure under the glass panel according to the preferred embodiment of the utility model.

Detailed Description

The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.

As shown in fig. 1, the range hood of this embodiment includes a cigarette machine main body 1, a lighting device 2, a controller 3 and at least one light signal collecting device 4 arranged in the cigarette machine main body 1, and the lighting device 2 and the light signal collecting device 4 are both in communication connection with the controller 3.

Wherein, the controller 3 includes but is not limited to a MCU, and the optical signal collection device 4 includes but is not limited to a light sensor.

The layout number and the layout position of the optical signal acquisition devices 4 can be designed and adjusted according to requirements. As shown in figure 2, in general culinary art scene, including an optical signal collection equipment 4 in the cigarette machine main part 1 and lay in one side of first panel 5, the design is satisfying the ambient light and is detecting the time like this, has also reduced product cost, establishes the position that is close to the border at first panel 5 simultaneously, has reduced the influence that sets up other functions on the lampblack absorber to a great extent.

As shown in fig. 3, the cigarette machine main body 1 comprises a first panel 5 and a glass panel 6 arranged on the outer side of the first panel 5, at least one glass silk-screen opening 7 is formed in the glass panel 6, and the optical signal acquisition device 4 is fixedly arranged on the first panel 5 and corresponds to the position of the glass silk-screen opening 7.

The glass silk-screen opening is a circle center displayed on the surface of the glass by adopting a silk-screen process or an opening in other shapes such as an oval shape, is a substantially schematic hole, is convenient for an optical signal acquisition device to acquire light and cannot pass through the opening.

The optical signal collection equipment 4 is provided with the glass silk screen printing open hole 7, so that the optical signal collection equipment 4 is prevented from being contaminated by other pollutants such as oil stains, the reliability of long-term detection of the probe is ensured, the service life of the optical signal collection equipment 4 is prolonged, the optical signal of ambient light can be successfully collected, and the accuracy of data collection is ensured.

In addition, it should be noted that the illumination intensity at the glass panel 6 collected by the optical signal collecting device 4 is easier to feed back to the illumination intensity at the cooking bench than that installed at the smoke collecting hood, specifically, see the following table:

it can be known that the detected illumination intensity at the glass panel 6 can be more closely reflected to the illumination intensity at the cooking bench.

Light signal collection equipment 4 is arranged in gathering the light signal in the culinary art scene through glass silk screen printing trompil 7, converts light signal into corresponding signal of telecommunication and sends controller 3, and controller 3 is used for receiving the signal of telecommunication, compares the signal of telecommunication to generate trigger signal and send to lighting apparatus 2 according to the comparative result, lighting apparatus 2 is used for opening or closing according to trigger signal.

Specifically, the controller 3 compares the input electrical signal with a set electrical signal through a comparator to obtain a comparison result, and then generates a trigger signal and sends the trigger signal to the lighting device 2; when the collected electric signal is smaller than an AD (alternating current) value, an illuminating lamp of the illuminating device 2 is triggered to start to work; on the contrary, when the collected electric signal is greater than or equal to the AD value, the lighting lamp of the lighting device 2 is triggered to turn off. It should be noted that the whole data processing process in this embodiment completely depends on the hardware structure implementation.

In an embodiment, as shown in fig. 4, the first panel 5 is a printed circuit board, the optical signal collection device 4 and the controller 3 are both fixed on the printed circuit board, and the optical signal collection device 4 and the controller 3 are communicatively connected by a metal wire. The metal lines include, but are not limited to, copper lines on a printed circuit board. Specifically, the first panel 5 is fixed on a positioning hole of the smoke collection cavity behind the glass panel 6 of the range hood through a plastic shell, namely a cover plate and a rear top plate.

All set firmly light signal acquisition equipment 4 and controller 3 on PCB printed circuit board and both carry out data signal transmission through the copper line on the printed circuit board, need not to be fixed through other communication connection lines and plus structure, when having reduced product cost, guaranteed data transmission's reliability, promoted the whole product property performance of lampblack absorber and produced property

In an embodiment, as shown in fig. 5, the light signal collecting device 4 is built in the lighting device 2, and the light signal collecting device 4 is connected to the controller 3 by using a communication connection line.

In an embodiment, as shown in fig. 6, the controller 3 and the optical signal acquisition device 4 are independently installed at different positions in the cigarette machine body 1, and the optical signal acquisition device 4 is connected with the controller 3 by a communication connection line.

In an embodiment, the diameter of the glass screen printing opening 7 is larger than the diameter of the probe of the optical sensor.

Specifically, as shown in fig. 7, the larger the glass silk-screen opening is, the higher the stability of the light of the optical sensor is, but in order to make the glass panel beautiful in the actual process, the size of the glass silk-screen opening is generally set within a certain size range. In addition, when the size of the glass silk screen printing hole is matched with the installation position of the optical sensor, the accuracy of optical signal acquisition can be ensured.

In addition, a plurality of key areas are arranged on the glass panel 6, and the glass silk-screen holes 7 and the key areas can be arranged on the same horizontal line, so that the attractiveness of the glass panel 6 is guaranteed. Of course, other design modes can be adopted according to actual requirements.

In a scheme that can be implemented, the optical signal acquisition device 4 is arranged on the supporting structure to be fixedly arranged on the first panel 5 through the supporting structure 8, and the distance between the probe of the optical signal acquisition device 4 and the glass silk-screen opening 7 is smaller than a set value;

wherein the support structure 8 is fixed to the first panel 5 by welding or by a screw structure.

Specifically, as shown in fig. 8, the optical signal collection device 4 includes a probe structure a1 and a wiring pin a2, and as shown in fig. 9, the support structure 8 is provided with a first hole structure adapted to the wiring pin, and the optical signal collection device 4 is fixed in the first hole structure by inserting the wiring pin.

Adopt bearing structure 8 to fix optical signal collection equipment 4 on first panel 5, when guaranteeing stable in structure, through choosing bearing structure 8 of take the altitude for optical signal collection equipment 4's probe can be pressed close to glass panels 6 as far as possible, thereby has improved optical signal collection's precision.

The following is illustrated by way of example: as shown in fig. 2, the highest component is an I-shaped planar tube, and assuming that the height is a1, the height of the probe of the ambient light sensor (i.e., photosensor) is a2, and the height of the support structure 8 below the ambient light sensor is A3; an A3 height supporting column is added under the ambient light sensor to make the ambient light sensor probe height rise to A4, higher than the I-shaped plane tube, and make the ambient light sensor probe protrude the plastic shell (A4-A1) of the cover plate; the button cap and the foam of the shell of the cover plate are tightly attached to the glass panel 6; after the supporting structure 8 is heightened, the probe of the ambient light sensor is slightly lower than the foam and the key cap, so that the probe of the ambient light sensor is closer to the glass panel 6, the light guide angle of the ambient light sensor is reduced, and the light source collected by the probe is closer to the outside of the glass panel 6. In an embodiment, as shown in fig. 10, the supporting structure 8 includes a retractable supporting member b1 (e.g., a telescopic rod structure, etc.) and a driving member b2, the driving member b2 is electrically connected to the controller 3;

the driving piece is used for driving the supporting piece to drive the optical signal acquisition equipment 4 to move, so that the distance between a probe of the optical signal acquisition equipment 4 and the glass silk-screen opening 7 is smaller than a set value.

The support member is fixed to the first panel 5 by welding or a screw structure.

Adopt bearing structure 8 to fix optical signal collection equipment 4 on first panel 5, when guaranteeing stable in structure, through the flexible condition of 3 drives regulation bearing structure 8 of controller for optical signal collection equipment 4's probe can press close to glass panels 6 as far as possible, thereby has improved optical signal collection's precision.

In addition, as shown in fig. 11, the cigarette machine body 1 further comprises a cover plate 9 arranged between the first panel 5 and the glass panel 6, and as shown in fig. 12, a second hole structure 100 is arranged on the cover plate 9 corresponding to the position of the optical signal acquisition device 4.

One side of the second hole structure 100 close to the optical signal acquisition device 4 is provided with a lead angle structure 11 adapted to the probe structure of the optical signal acquisition device 4.

Through the design of the angle guiding structure, the optical sensor is convenient to install and plays a role in protecting the probe of the optical sensor; in addition, based on the structure, the light sensor can only collect the illumination at the top of the probe, and the periphery of the probe of the light sensor is not collected by the illumination, so that the structure adopts the treatment of surrounding the light sensor, only the top of the probe of the light sensor is not surrounded, only the top of the light sensor is collected by the illumination, and the reliability and the accuracy of light signal collection are effectively ensured.

In addition, as shown in figure 13, the cigarette maker body 1 further comprises another bottom panel 12 on the other side of the first panel 5, which covers the cover panel and then envelopes the first panel 5 within the resulting space. In addition, the bottom plate is also provided with a connecting piece which is fixedly connected with other parts on the range hood.

In the embodiment, the optical signal acquisition equipment is arranged in the range hood, and then the glass screen printing opening matched with the optical signal acquisition equipment is arranged on the glass panel, so that the optical signal acquisition equipment is prevented from being contaminated by other pollutants such as oil stains and the like, and meanwhile, the optical signal of ambient light can be successfully acquired, the accuracy of data acquisition is ensured, the sensitivity of the operation of starting or closing the illuminating lamp in the range hood is improved, and the use experience of a user is effectively improved; simultaneously, all set firmly light signal acquisition equipment and controller on PCB printed circuit board and both carry out data signal transmission through the copper line on the printed circuit board, need not to fix through other communication connection lines and plus structure, when having reduced product cost, guaranteed data transmission's reliability, promoted the whole product property ability of lampblack absorber.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims

1. A range hood is characterized by comprising a range hood main body, lighting equipment, a controller and at least one optical signal acquisition device arranged in the range hood main body, wherein the lighting equipment and the optical signal acquisition device are in communication connection with the controller;

2. The range hood according to claim 1, wherein the driving member is used for driving the supporting member to drive the optical signal acquisition device to move, so that the distance between a probe of the optical signal acquisition device and the glass screen printing hole is smaller than a set value.

3. A range hood as set forth in claim 1, wherein said support structure is welded or threaded to said first panel.

4. The range hood according to claim 1, wherein the range hood body further comprises a cover plate arranged between the first panel and the glass panel, and a second hole structure is formed in the cover plate corresponding to the position of the optical signal acquisition device.

5. A range hood as set forth in claim 4, characterized in that one side of said second hole structure near said light signal collection device is provided with a chamfered structure adapted to a probe structure of said light signal collection device.

6. The range hood of claim 1, wherein the first panel is a printed circuit board, the optical signal acquisition device and the controller are both fixedly arranged on the printed circuit board, and the optical signal acquisition device and the controller are in communication connection through a copper wire on the printed circuit board.

7. The range hood of claim 1, wherein the controller comprises an MCU.

8. A range hood as set forth in claim 1, wherein said light signal collection device comprises a light sensor.

9. The range hood of claim 8, wherein the diameter of an opening of the glass screen printing opening is larger than the diameter of a probe of the optical sensor.

10. A hood as set forth in claim 1, including said light signal collecting device and disposed at one side of said first panel.