CN204611882U - Smoke exhaust ventilator automatic switching and automatic speed regulation control device - Google Patents

Abstract

The utility model discloses an automatic on/off machine and an automatic speed regulation control device for a range hood, which comprises a range hood body. The wind cabinet assembly, the upper glass plate arranged at the upper part of the front end of the box body, the lower panel arranged at the lower part of the front end of the box body, and the main switch arranged on the upper glass plate, and the upper glass plate and the lower panel are formed with An air inlet, a first temperature sensor and a smoke sensor are arranged below the box, a second temperature sensor is arranged above the box, and a light-sensing transmitter and a light-sensing receiver are arranged on both sides of the air inlet , The box body is also provided with a control assembly. The utility model can realize switching on and off through temperature sensing and smoke sensing, and realize automatic speed regulation through light sensing, with a high degree of automation.

Description

Range hood automatic switch and automatic speed control device

technical field

The utility model relates to the field of range hoods, in particular to an automatic switch and an automatic speed regulation control device for a range hood.

Background technique

As a common electrical appliance in our daily life, range hoods are widely used. However, during the use of current range hoods, there are operations that require manual opening, manual speed regulation, and manual closing. Turn on the hood and turn on the corresponding function keys one by one. The operation is cumbersome. During use, users often ignore the adjustment of the gear speed and habitually use the high-speed gear. When the amount of smoke is low, they will not go to the Speed regulation, thus causing a waste of resources.

Utility model content

The technical problem to be solved by the utility model is: in order to solve the problems existing in the prior art in the above-mentioned background technology, a range hood automatic switch machine and an automatic speed regulation control device are provided to solve the problem that the range hood in the prior art cannot automatically Control switch machine and automatic speed regulation.

The technical scheme that the utility model solves its technical problem adopts is:

An automatic switch and automatic speed control device for a range hood, including a range hood body, the range hood body includes a coaming, a box inside the coaming, a wind cabinet assembly inside the box, The upper glass plate arranged at the upper part of the front end of the box body, the lower panel arranged at the lower part of the front end of the box body, and the main switch arranged on the upper glass plate, an air inlet is formed between the upper glass plate and the lower panel, and the box body A first temperature sensor and a smoke sensor are provided at the lower part close to the cooker, a second temperature sensor is provided above the box body, a light sensor transmitting end and a light sensor receiving end are set on both sides of the air inlet, and the box body A control assembly is also provided on the body, and the control assembly is electrically connected to the first temperature sensor, the second temperature sensor, the smoke sensor, the light-sensing transmitting end, and the light-sensing receiving end.

Further, the wind cabinet assembly includes a cabinet body, a motor installed in the cabinet body, a wind wheel installed on the motor, and an air inlet net installed on the cabinet body.

Further, the control assembly includes a signal receiving circuit electrically connected to the first temperature sensor, the second temperature sensor, the smoke sensor, the light sensor transmitting end, and the light sensor receiving end, and a signal output circuit electrically connected to the motor circuit, a single-chip microcomputer electrically connected with the signal receiving circuit and the signal output circuit.

The beneficial effects of the utility model:

The utility model relates to an automatic switch and automatic speed regulation control device for a range hood, which senses the temperature above the cooker through the first temperature sensor arranged at the bottom of the box close to the cooker and the second temperature sensor arranged at the top of the box. and the ambient temperature, when the temperature difference exceeds 5°C, the range hood is automatically turned on; the utility model also automatically turns on the range hood when the smoke is sensed by the smoke sensor; The sensing receiving end senses the light intensity and then indirectly senses the smoke concentration, and controls the rotation speed of the motor through the smoke concentration.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a structural representation of the utility model.

In the figure: 1. range hood body, 11. coaming, 12. box body, 13. air cabinet assembly, 13a. cabinet body, 13b. motor, 13c. wind wheel, 13d. air intake net, 14. upper Glass plate, 15. Lower panel, 16. Main switch, 2. First temperature sensor, 3. Second temperature sensor, 4. Smoke sensor, 5. Light sensor transmitter, 6. Light sensor receiver, 7 .Control assembly.

Detailed ways

Now in conjunction with accompanying drawing, the utility model is described in further detail. These drawings are all simplified schematic diagrams, and only schematically illustrate the basic structure of the utility model, so they only show the configurations related to the utility model.

An automatic switch and automatic speed control device for a range hood, comprising a range hood body 1, the range hood body 1 includes a coaming 11, a box 12 inside the coaming 11, a box 12 The wind cabinet assembly 13 inside, the upper glass plate 14 located at the upper part of the front end of the box body 12, the lower panel 15 located at the lower part of the front end of the box body, the main switch 16 located on the upper glass plate 14, the upper glass plate 14 1. An air inlet is formed between the lower panels 15, a first temperature sensor 2 and a smoke sensor 4 are provided at the bottom of the box 12 close to the cooker, and a second temperature sensor 3 is provided above the box 12, so Both sides of the air inlet are provided with a light sensor transmitter 5 and a light sensor receiver 6, and the box body 1 is also provided with a control assembly 7, and the control assembly 7 is connected to the first temperature sensor 2 and the second temperature sensor 2. The sensor 3, the smoke sensor 4, the light-sensing transmitting end 5, and the light-sensing receiving end 6 are respectively electrically connected.

Further, the wind cabinet assembly 13 includes a cabinet body 13a, a motor 13b arranged in the cabinet body 13a, a wind wheel 13c arranged on the motor 13b, and an air inlet net 13d arranged on the cabinet body 13a.

Further, the control assembly 7 includes a signal receiving circuit electrically connected to the first temperature sensor 2, the second temperature sensor 3, the smoke sensor 4, the light sensor transmitting end 5, and the light sensor receiving end 6, and The signal output circuit electrically connected to the motor 13b, and the single-chip microcomputer electrically connected to the signal receiving circuit and the signal output circuit.

Specific usage method:

When the utility model is in use, the temperature above the cooker and the ambient temperature are sensed by the first temperature sensor 2 located below the box body 12 close to the cooker and the second temperature sensor 3 arranged above the box body, and the temperature signal is received by the signal. The circuit is connected to the single-chip microcomputer, and the single-chip microcomputer judges the temperature difference of the above-mentioned temperature. When the temperature difference exceeds 5°C, the single-chip microcomputer controls the rotation of the motor 13b through the signal output circuit, and the range hood is automatically turned on; the utility model senses the smoke through the smoke sensor 4 , the smoke signal is transmitted to the single-chip microcomputer through the signal receiving circuit, and the single-chip microcomputer controls the rotation of the motor 13b through the output circuit, and the range hood is automatically opened; when the temperature difference is lower than 5°C and there is no smoke, the utility model is closed .

In the open state, the utility model senses the light intensity and indirectly senses the smoke concentration through the light sensor transmitting end 5 and the light sensor receiving end 6 arranged at the air inlet. When the light signal is strong, that is, the smoke concentration is low, the control motor 13b is at a low gear. Rotate, when the light signal is weak, that is, when the smog concentration is high, the control motor 13b rotates at a high gear.

Inspired by the above ideal embodiment according to the utility model, through the above description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (3)

1. An automatic switch and automatic speed control device for a range hood, including a range hood body (1), and the range hood body (1) includes a coaming (11), which is set inside the coaming (11) The box body (12), the wind cabinet assembly (13) set in the box body (12), the upper glass plate (14) set at the upper part of the front end of the box body (12), and the lower panel set at the lower part of the front end of the box body (15), the main switch (16) arranged on the upper glass plate (14), and an air inlet is formed between the upper glass plate (14) and the lower panel (15), which is characterized in that: A first temperature sensor (2) and a smoke sensor (4) are provided below the box (12) close to the cooker, and a second temperature sensor (3) is provided above the box (12). Both sides of the air inlet are provided with a light-sensing transmitter (5) and a light-sensing receiver (6), and a control assembly (7) is also provided on the box (1), and the control assembly (7) and the second The first temperature sensor (2), the second temperature sensor (3), the smoke sensor (4), the light-sensing transmitting end (5), and the light-sensing receiving end (6) are respectively electrically connected. 2. A cooker hood automatic switch and automatic speed control device according to claim 1, characterized in that: the wind cabinet assembly (13) includes a cabinet body (13a), which is located in the cabinet body (13a ), the wind wheel (13c) arranged on the motor (13b), and the wind inlet net (14d) arranged on the cabinet body (13a). 3. A range hood automatic switch and automatic speed control device according to claim 1, characterized in that: the control assembly (7) includes the first temperature sensor (2), the second The temperature sensor (3), the smoke sensor (4), the signal receiving circuit electrically connected to the light sensor transmitting end (5), the light sensor receiving end (6), the signal output circuit electrically connected to the motor (13b), and the A single-chip microcomputer electrically connected to the signal receiving circuit and the signal output circuit.