TWM495488U - Smoke exhaust machine for automatically detecting sensing temperature to automatically change speed - Google Patents

Description

Automatic detection of induction temperature and automatic shifting range hood

The present invention relates to a range hood that can automatically change the speed of the motor according to the temperature generated by the gas stove in the cooking to efficiently discharge the soot or hot air in the most energy efficient manner.

The range hood is an essential tool for modern home kitchens. Its main job is to discharge the cooking fumes and hot air from the outside. Although the general range hood can switch between different speeds, it must be operated by humans. Therefore, there are often oily fumes or hot gases. The speed of the fan of the range hood fan is not enough to be discharged outside, or the oil smoke and hot air are low. At the same time, the speed of the exhaust fan fan motor is too high and the power is wasted.

The purpose of this creation is to provide a range hood that can automatically change the operating speed of the motor according to the temperature change above the gas stove when cooking in the kitchen, so that the cooking work is more convenient, and the power consumption of the range hood is more efficient. .

The feature of the creation is that a hood is provided with a microcomputer controller, a temperature detecting unit, a variable speed motor, a one-hand automatic control unit and a power supply unit; when switching to the automatic operation mode, the microcomputer controller is based on the The temperature sensing unit senses the temperature signal and transmits a corresponding command to the variable speed motor to automatically operate at the corresponding speed; in the manual operation In the mode, the temperature detecting unit does not operate, and the rotational speed of the variable speed motor is artificially controlled.

The technical means of the creation is provided in a row of range hoods: a microcomputer controller; a temperature detecting unit electrically connected to the microcomputer controller; a variable speed motor electrically connected to the microcomputer controller; and an electrical connection a microcomputer controller and a manual automatic control unit of the variable speed motor; a power supply unit electrically connected to the manual automatic control unit; when the power supply unit supplies power, and the manual automatic control unit is switched to the automatic operation mode, The temperature detecting unit senses the change of the ambient temperature of the ambient and transmits a signal to the microcomputer controller, and the microcomputer controller transmits a corresponding command to the variable speed motor according to the sensed temperature change signal to correspond to When the automatic control unit is switched to the manual operation mode, the temperature detecting unit does not operate, and the rotational speed of the variable speed motor is artificially controlled.

The creation further includes a temperature operation display interface electrically connected to the microcomputer controller, so that the user can operate the display interface via the temperature operation to automatically operate the variable speed motor and display the operation state.

The temperature detecting unit of the present invention comprises a room temperature sensor for sensing the indoor temperature of the kitchen and a target temperature sensor for sensing a specific target (for example, a gas stove) The temperature above is provided to provide a reference for the microcomputer controller to determine the change in temperature.

Based on the function of providing a variable speed motor to automatically change the rotational speed, the circuit between the automatic control unit, the variable speed motor and the microcomputer controller is provided with a high speed switching relay, a medium speed switching relay and a low speed switching relay to automatically Control the variable speed motor to run at high speed, medium speed or low speed.

Based on the function of providing a variable speed motor to manually change the rotational speed, the circuit between the manual automatic control unit, the variable speed motor and the microcomputer controller is provided with a high speed switch, a medium speed switch and a low speed for manual control. The switch is used to manually control the variable speed motor to run at high speed, medium speed or low speed.

1‧‧‧Microcomputer controller

2‧‧‧Temperature operation display interface

3‧‧‧Power unit

31‧‧‧Regulator IC

32‧‧‧Transformers

4‧‧‧Hand automatic control unit

41‧‧‧Switch button

42‧‧‧Hand automatic switch

43A‧‧‧High speed switch

43B‧‧‧ medium speed switch

43C‧‧‧Low speed switch

44A‧‧‧High Speed Switching Relay

44B‧‧‧ medium speed switching relay

44C‧‧‧Low speed switching relay

5‧‧‧ Variable speed motor

6‧‧‧ Temperature detection unit

6A‧‧ ‧ room temperature sensor

6B‧‧‧Target temperature sensor

The first picture shows the circuit diagram of the range hood that automatically detects the induction temperature and automatically shifts the temperature.

The implementation of the present invention will be described in more detail below with reference to the drawings and component symbols, so that those skilled in the art can implement the present invention after reading this specification.

As shown in the first figure, the hood provided by the present invention for automatically detecting the induction temperature and automatically shifting the range hood is provided with a microcomputer controller 1 and a temperature detecting unit electrically connected to the microcomputer controller 1 in a row of range hoods. 6. The variable speed motor 5 is electrically connected to the microcomputer controller 1 and the manual automatic control unit 4 of the variable speed motor 5, and the power supply unit 3 electrically connected to the manual automatic control unit 4; and even further electrically connected to the microcomputer control A temperature operation display interface 2 is provided in the device 1.

The temperature operation display interface 2 includes a display, and the display may be a touch panel for the user to operate the set temperature and display the status information of the operation; the temperature operation display interface 2 may also include a general display and cooperate The button used to set the temperature.

The power supply unit 3 includes a voltage regulator IC 31 and a transformer 32 for converting household AC power into DC power and supplying it to the manual control unit 4.

The manual automatic control unit 4 includes a switch button 41, and a manual switch 44 for electrically connecting the switch button 41, the microcomputer controller 1 and the variable speed motor 5, and high-speed switching. The switch 43A, the intermediate speed change switch 43B, the low speed change switch 43C, the high speed switching relay 44A, the medium speed switching relay 44B, and the low speed switching relay 44C. When the manual automatic switch 42 is switched to the m position, it is the manual operation mode. At this time, the high speed switch 43A, the medium speed switch 43B or the low speed switch 43C can be operated to control the speed motor 5 at high speed, medium speed or low speed. Running. When the manual automatic switch 42 is switched to the a position, the automatic operation mode is obtained. At this time, the microcomputer controller 1 can control the high speed switching relay 44A, the medium speed switching relay 44B or the low speed switching relay 44C to operate according to the detected temperature change value. Further, the shift motor 5 is controlled to operate at a high speed, a medium speed, or a low speed.

The temperature detecting unit 6 of the present invention comprises a room temperature sensor 6A and a target temperature sensor 6B; the room temperature sensor 6A is for sensing the indoor temperature of the kitchen, and the target temperature sensor 6B is used for sensing The temperature above the gas furnace is measured, and the sensed temperature is converted into a signal, and then transmitted to the microcomputer controller 1 to determine the temperature change, and then the microcomputer controller 1 controls the high-speed switching relay 44A and the medium-speed switching relay according to the temperature change value. The 44B or low speed switching relay 44C is actuated to control the speed change motor 5 to operate at high speed, medium speed or low speed.

The manner of using the hood of the present invention is: in a state where the power supply unit 3 supplies power, the user can select to operate the switch button 41 to switch the hand automatic control unit 4 to the automatic operation mode a or the manual mode m; when switching to In the automatic operation mode, the temperature operation display interface 2 can be further operated to set the microcomputer controller 1 to automatically control the variable speed motor 5 to operate at high speed, medium speed or low speed upon receiving the set temperature change value.

When in the automatic operation mode, the room temperature sensor 6A of the temperature detecting unit 6 senses the indoor temperature of the kitchen, and the target temperature sensor 6B senses the temperature above the gas furnace, and senses the indoor temperature. Converted to a signal and transmitted to the microcomputer controller 1 as a reference value, and sensed The temperature above the gas furnace is converted into a signal and transmitted to the microcomputer controller 1 as a parameter value, thereby calculating the difference between the parameter value and the reference value, thereby judging the temperature change, and then the microcomputer controller 1 controls the temperature change value according to the temperature change value. The high speed switching relay 44A, the medium speed switching relay 44B or the low speed switching relay 44C is actuated to control the speed change motor 5 to operate at a high speed, a medium speed or a low speed; that is, when the temperature change is high (the temperature rises to a high level), the high speed switching relay is activated. 44A, the variable speed motor 5 is operated at a high speed; when the temperature changes moderately (the temperature rises to a normal level), the medium speed switching relay 44B is activated to operate the speed change motor 5 at a medium speed; when the temperature change is low (the temperature rises not high) The low speed switching relay 44C is activated to operate the speed change motor 5 at a low speed.

When in the manual operation mode, the temperature detecting unit 6 does not operate. At this time, the user manually controls the high speed switch 43A, the medium speed switch 43B or the switch 43C to operate, thereby controlling the speed motor 5 at a high speed and a medium speed. Or run at low speed.

The above description is only for the purpose of explaining the preferred embodiment of the present invention, and is not intended to impose any limitation on the present creation, so that any modifications or changes to the creation made in the same creative spirit are made. , should still be included in the scope of protection of this creative intent.

1‧‧‧Microcomputer controller

2‧‧‧Temperature operation display interface

3‧‧‧Power unit

31‧‧‧Regulator IC

32‧‧‧Transformers

4‧‧‧Hand automatic control unit

41‧‧‧Switch button

42‧‧‧Hand automatic switch

43A‧‧‧High speed switch

43B‧‧‧ medium speed switch

43C‧‧‧Low speed switch

44A‧‧‧High Speed Switching Relay

44B‧‧‧ medium speed switching relay

44C‧‧‧Low speed switching relay

5‧‧‧ Variable speed motor

6‧‧‧ Temperature detection unit

6A‧‧ ‧ room temperature sensor

6B‧‧‧Target temperature sensor

Claims (4)

A range hood that automatically detects an induction temperature and automatically shifts, comprising: a row of range hoods: a microcomputer controller; a temperature detecting unit electrically connected to the microcomputer controller; and a variable speed motor Electrically connecting the microcomputer controller; an automatic control unit is electrically connected to the microcomputer controller and the variable speed motor; a power supply unit is electrically connected to the automatic control unit; the power unit supplies power, the hand When the automatic control unit is switched to the automatic operation mode, the temperature detecting unit senses the ambient temperature of the ambient control unit and transmits a signal to the microcomputer controller, and the microcomputer controller transmits a corresponding command according to the sensed temperature signal. When the shift motor is operated at the corresponding rotational speed and the manual automatic control unit is switched to the manual operation mode, the temperature detecting unit does not operate, and the rotational speed of the variable speed motor is artificially controlled. The range hood that automatically shifts the temperature according to the automatic detection of the sensing temperature according to claim 1 of the patent application, further comprising a temperature operation display interface electrically connected to the microcomputer controller. An automatic range shifting range hood according to claim 1, wherein the temperature detecting unit comprises a room temperature sensor and a target temperature sensor. An electric range hood that automatically detects an induction temperature according to the first aspect of the patent application, wherein the manual control unit, the circuit between the variable speed motor and the microcomputer controller are provided with a manual control A high speed switch, a medium speed switch and a low speed switch, and a high speed switching relay, a medium speed switching relay and a low speed switching relay for automatic control.