CN210292025U

CN210292025U - Smoke exhaust ventilator

Info

Publication number: CN210292025U
Application number: CN201921200169.6U
Authority: CN
Inventors: 胡小帝; 熊校; 张豆豆; 许宁
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-10
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to the technical field of household appliances, concretely relates to range hood. Range hood includes the lampblack absorber main part to and can to the user with distance between the lampblack absorber main part and user with the sensor that the lampblack absorber main part lasts the time under the certain distance detects, sensor and controller and light electricity are connected, and the sensor sets up and the certain distance of interval with lampblack absorber main part components of a whole that can function independently, and then makes the sensor can be accurate measure the distance and the time that the user leaves the lampblack absorber main part, and range hood can obtain better measurement accuracy for the automation of light is opened and is closed the actual condition that accords with the user more, and range hood's use is more humanized, and user experience is better.

Description

Smoke exhaust ventilator

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to range hood.

Background

At present, range hood on the market generally can be equipped with the light on the lampblack absorber, sets up lighting switch on the panel, when cooking the work, the user opens lighting switch and opens the light, and after the culinary art was finished, the user closed lighting switch and closed the light. The above process requires the user to perform the on-off operation of the switch, the convenience of use is poor, and the user leaves the situation of forgetting to turn off the lamp, the illuminating lamp can be powered on all the time to work, and unnecessary electric quantity is consumed.

In view of the above, the prior art discloses a method for controlling a range hood, which comprises detecting whether people exist around the range hood by a pyroelectric human body infrared sensor before the range hood starts to extract oil smoke, and transmitting a detection result to a microprocessor, wherein the microprocessor controls on/off of an illuminating lamp, an indicator lamp and a display panel according to the detection result; after the range hood starts to extract oil smoke, whether people exist around the range hood is detected by the pyroelectric human body infrared sensor, a detection result is transmitted to the microprocessor, and the microprocessor controls the on/off of the illuminating lamp according to the detection result.

According to the scheme, the automatic opening and closing of the illuminating lamp of the range hood can be realized, but the control precision is poor, the situation of mistakenly opening or closing can occur, and the user experience is influenced. Simultaneously the user when range hood uses, especially when using at night, range hood's lighting lamp can have the condition of opening suddenly or closing, and user experience is not good.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a range hood to illumination lamp automatic control precision is not good among the range hood among the solution prior art, the not good problem of user experience.

In order to achieve the above object, the utility model provides a range hood, including the lampblack absorber main part, still include the controller, and with sensor and light that the controller electricity is connected, the sensor be used for detecting the user with distance between the lampblack absorber main part and user with the lampblack absorber main part lasts the time under the certain distance to convey the testing result to the controller, the controller basis the testing result control the switch of light.

Further, the controller and/or the sensor are/is installed on the range hood main body.

Further, the sensor and the range hood main body are arranged in a split mode.

Further, the sensor is an ultrasonic sensor, a microwave radar sensor or a video sensor.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an among the range hood, sensor and lampblack absorber main part components of a whole that can function independently set up, and then the sensor that the components of a whole that can function independently set up more accurate to measuring and calculating of the interval between user and the lampblack absorber main part, the reliability of measuring and calculating is better, and the automation of range hood light is opened and is closed the actual condition who accords with the user more.

2. The utility model provides an among the range hood, interval between sensor and the lampblack absorber main part is between 1 meter to 5 meters, through the components of a whole that can function independently setting between sensor and the lampblack absorber main part and reserve between 1 meter to 5 meters, and then can be accurate measure the user from the distance and the time of lampblack absorber main part, range hood's reliability is better.

3. The utility model provides an among the range hood, the quantity of sensor is preferred a plurality ofly, and then a plurality of sensors encircle the setting of lampblack absorber main part, has further promoted and has carried out measuring accurate degree from the distance and the time of lampblack absorber main part to the user, has further promoted range hood's reliability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. In the drawings:

fig. 1 is a schematic view of a front view structure of a range hood according to an embodiment of the present invention.

Fig. 2 is a schematic view of a control structure of the oil smoke suction shown in fig. 1.

Wherein the reference numerals in the above figures are:

10. a range hood main body; 20. an illuminating lamp; 30. a sensor; 40. and a controller.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

According to the utility model discloses range hood control method in the embodiment includes:

in the standby state of the range hood, the sensor 30 detects whether the distance between the user and the range hood main body 10 is greater than a critical opening distance L1 m and the duration is greater than T1 s;

if the distance between the user and the range hood main body 10 is greater than L1 m, or the distance between the user and the range hood main body 10 is less than L1 m and the duration is less than T1 s, the voltage or current output to the illuminating lamp 20 is less than N1;

if the distance between the user and the range hood main body 10 is less than L1 m and the duration is more than T1 s, the voltage or current output to the illuminating lamp 20 is more than N2;

the voltage or current input to the illumination lamp 20 is less than N1, the illumination lamp 20 cannot be turned on and is in an off state, the voltage or current input to the illumination lamp 20 is greater than N2, and the illumination lamp 20 can be turned on and is in an on state.

Further, by adopting the range hood control method in this embodiment, the range hood has the advantages that the lighting lamp 20 is turned on and off by the distance between the user and the range hood main body 10 and the time for measuring and calculating the time at a certain distance from the range hood main body 10, compared with the prior art that the lighting lamp 20 is controlled to be turned on and off by acquiring the distance through the infrared sensor 30, the state measurement and calculation of the user are more accurate, the automatic turning on and off of the lighting lamp 20 is more in line with the actual state of the user, the use of the range hood is more humanized, and the user experience is better.

Preferably, the range hood control method in this embodiment further includes:

in the on state of the lighting lamp 20, the sensor 30 detects whether the distance between the user and the range hood main body 10 is less than L2 meters;

if the distance between the user and the range hood main body 10 is less than L2 m, the voltage or current output to the lighting lamp 20 is greater than or equal to N3;

wherein, L2 m is less than L1 m, N3 is greater than N2, the voltage or current input into the illuminating lamp 20 is greater than or equal to N3, and the brightness of the illuminating lamp 20 is greater than the voltage or current input into the illuminating lamp 20 and is greater than N2 and less than the brightness of N3.

Furthermore, by adopting the range hood control method in the embodiment, in the starting state of the range hood illuminating lamp 20, the range hood can obtain the brightness of two different illuminating lamps 20 according to the distance from a user to the range hood main body 10, when the user uses the range hood, especially when the user uses the range hood at night, the illuminating lamp 20 of the range hood can be turned on from dark to bright, the situation of suddenly and completely turning on or off can not exist, the softness is better, the user is more humanized, and the user experience is better.

Preferably, in a modified embodiment of this embodiment, the range hood control method includes:

in the on state of the lighting lamp 20, the sensor 30 detects whether the distance between the user and the range hood main body 10 is less than L1 meters and continuously decreases;

if the distance between the user and the range hood main body 10 is less than L1 m and continuously decreases, the voltage or current output to the lighting lamp 20 is greater than N2 and continuously increases;

if the distance between the user and the range hood main body 10 is less than L3 m and is continuously reduced, the voltage or current output to the illuminating lamp 20 keeps N4 unchanged;

wherein L3 m is less than L1 m, and N4 is greater than N2.

Furthermore, according to the above control method of the range hood, in the on state of the lighting lamp 20 of the range hood, the range hood can obtain the brightness of the lighting lamp 20 which changes continuously according to the distance from the user to the range hood main body 10, when the user uses the range hood, especially when the user uses the range hood at night, the lighting lamp 20 of the range hood can change gradually from dark to bright until the lighting lamp is in a proper brightness, the situation that the lighting lamp is suddenly and completely turned on or turned off can not occur, the softness is better, the user is more humanized, and the user experience is better.

in the on state of the lighting lamp 20, the sensor 30 detects whether the distance between the user and the range hood main body 10 is greater than L3 meters and continuously increases;

if the distance between the user and the range hood main body 10 is greater than L3 m and is continuously increasing, the voltage or current output to the illumination lamp 20 is less than N4 and is continuously decreasing;

if the distance between the user and the range hood body 10 is greater than L3 m and increased to L1 m and the duration is greater than T1 seconds, the voltage or current output to the illumination lamp 20 is less than N1.

Furthermore, according to the above control method of the range hood, in the on state of the lighting lamp 20 of the range hood, the range hood can obtain the brightness of the lighting lamp 20 which changes continuously according to the distance from the user to the range hood main body 10, when the user does not use the range hood any more, especially when the user leaves the range hood at night, the lighting lamp 20 of the range hood can change gradually from bright to dark until being turned off, the situation of suddenly and completely turning on or off can not exist, the softness is better, the user is more humanized, and the user experience is better.

Wherein, in the above embodiment, 1.5 meters < L1<5 meters, 0< L3<1 meter; 0 seconds < T1<5 seconds, 0.5 seconds < T2<5 seconds; 0 ampere ≦ N1<1 ampere, 0.05 ampere < N2<2 amperes.

Further referring to fig. 1 and 2, the range hood in this embodiment includes a range hood main body 10, a controller 40, a sensor 30 and an illumination lamp 20 electrically connected to the controller 40, where the sensor 30 is configured to detect a distance between a user and the range hood main body 10 and a duration of the user and the range hood main body 10 at a certain distance, and transmit a detection result to the controller 40, and the controller 40 controls a switch of the illumination lamp 20 according to the detection result, so that the range hood is more accurate in measuring and calculating a state of the user, and an automatic turn-on and turn-off of the illumination lamp 20 more conforms to an actual state of the user, so that the range hood is more humanized in use and better in user experience.

In this embodiment, the controller 40 and the sensor 30 are mounted on the range hood main body 10, so that the whole range hood is more compact.

In a modified embodiment of this embodiment, the sensor 30 and the range hood main body 10 are separately arranged, and then the sensor 30 separately arranged measures the distance between the user and the range hood main body 10 more accurately, the reliability of the measurement is better, and the automatic on and off of the range hood lighting lamp 20 more conforms to the actual state of the user. The interval between specific sensor 30 and lampblack absorber main part 10 is between 1 meter to 5 meters, sets up and reserves between 1 meter to 5 meters through the components of a whole that can function independently between sensor 30 and the lampblack absorber main part 10, and then can be accurate measure the distance and the time that the user leaves lampblack absorber main part 10, and range hood's reliability is better. The number of the sensors 30 is preferably multiple, and the sensors can be arranged on the peripheral wall of the range hood, and then the sensors are arranged around the range hood main body 10, so that the accuracy of measuring the distance between a user and the range hood main body 10 and the time is further improved, and the reliability of the range hood is further improved.

Preferably, the sensor 30 is an ultrasonic sensor, a microwave radar sensor, or a video sensor. And then the sensor is at the testing process, calculates more accurate to user's state, and the automation of light is opened and is closed actual state that accords with the user more, and range hood's use is more humanized, and user experience is better.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a range hood, includes lampblack absorber main part (10), its characterized in that still includes controller (40), and with sensor (30) and light (20) that controller (40) electricity is connected, sensor (30) be used for detecting the user with distance between lampblack absorber main part (10) and user with lampblack absorber main part (10) time of lasting under the certain distance to with testing result conveying to controller (40), controller (40) basis testing result control the switch of light (20).

2. The range hood according to claim 1, wherein the controller (40) and/or the sensor (30) is mounted on the range hood body (10).

3. The range hood according to claim 1, wherein the sensor (30) is provided separately from the range hood body (10).

4. The extractor hood according to claim 1, wherein the sensor (30) is an ultrasonic sensor, a microwave radar sensor or a video sensor.