TWM647857U - Control system for kitchen appliance storage cabinet - Google Patents

Abstract

A control system for a kitchen appliance storage cabinet. The kitchen appliance storage cabinet has a storage space inside and is provided with at least one socket. The control system includes: a current sensor, a temperature sensor, a humidity sensor, A central processing unit and an exhaust motor; the central processing unit is electrically connected to the current sensor, the temperature sensor and the humidity sensor. When the central processing unit executes an automatic exhaust mode, the central processing unit The processing unit receives a current sensing signal, a temperature sensing signal and a humidity sensing signal respectively, and generates an automatic control according to the size of one of the current sensing signal, the temperature sensing signal and the humidity sensing signal. The exhaust motor receives the automatic control signal and starts or shuts down according to the automatic signal.

Description

Control system for kitchen appliance storage cabinets

The present invention relates to a control system, in particular to an exhaust control system used in kitchen appliance storage cabinets.

With the advancement of science and technology, a variety of household appliances such as electronic pots, electric pots, and air fryers are installed in modern people's kitchens for modern people to cook. Nowadays, people not only pursue diversity in cooking, but also The requirements for kitchen design and planning are also increasing day by day. For example, the pursuit of smooth flow lines when cooking (for example, not affected by the wiring of the aforementioned home appliances), beauty (for example, the color matching of home appliances and kitchen decoration channels), etc., in order to achieve In order to meet the above-mentioned various needs of modern people in the kitchen, the industry has developed a kitchen appliance storage cabinet.

When the home appliance is not in use, the kitchen appliance storage cabinet has a storage function so that the home appliance is not exposed to achieve a beautiful effect; when the user wants to use the home appliance, there is no need to move it to the kitchen appliance storage Take it out of the cabinet for use. The kitchen appliance storage cabinet is provided with at least one socket. The user can directly connect the home appliance to the at least one socket for use. The kitchen appliance storage cabinet has an exhaust function. Through sensing Changes in the output current of the at least one socket start/stop the exhaust. When the at least one socket outputs a larger current, it means that the household appliance may be cooking, and the kitchen appliance storage cabinet will exhaust and discharge the steam. , reduce the humidity and temperature in the kitchen appliance storage cabinet, and prevent the household appliances from being affected by adverse factors such as moisture, temperature, etc.

When the home appliance stops cooking, the output current of the at least one socket will become smaller, and the kitchen appliance storage cabinet will stop exhausting air. However, there may still be a large amount of water vapor and high temperature in the kitchen appliance storage cabinet. down, it will cause the appliance to malfunction or be damaged, so the existing kitchen appliances The electrical storage cabinet only senses the current change of at least one socket, which is still insufficient as a basis for determining whether to control exhaust, so it must be improved.

The existing kitchen appliance storage cabinet only senses the current change in at least one socket as a basis for determining whether to control the exhaust, but there are problems as described in the previous technology. In view of this, the present invention proposes a kitchen appliance A control system for a storage cabinet is provided for a kitchen appliance storage cabinet. The kitchen appliance storage cabinet has a storage space inside and is provided with at least one socket. The control system includes: a current sensor for sensing the at least one socket. An output current of a socket to generate a current sensing signal; a temperature sensor to sense the temperature in the accommodation space to generate a temperature sensing signal; a humidity sensor to sense the The humidity in the accommodation space is generated to generate a humidity sensing signal; a central processing unit is electrically connected to the current sensor, the temperature sensor and the humidity sensor. When the central processing unit executes an automatic exhaust In mode, the central processing unit generates an automatic control signal according to the magnitude of one of the current sensing signal, the temperature sensing signal and the humidity sensing signal; an exhaust motor is electrically connected to the central processing unit to Receive the automatic control signal and activate or deactivate according to the automatic signal.

The control system of this new type of kitchen appliance storage cabinet uses three sensing mechanisms (current, temperature and humidity) as a basis for judging whether to exhaust, so that no matter whether an appliance in the kitchen appliance storage cabinet is in use or not, the central The processing unit can control the exhaust motor to run and exhaust, thereby preventing the home appliance product from being affected by adverse factors such as high temperature and water vapor for a long time.

1: Kitchen appliance storage cabinet

10: Cabinet

11:Door panel

12: Accommodation space

13: Tray

14:Socket

15:Exhaust hole

16:Exhaust channel

17:Fan

20:Current sensor

21:Temperature sensor

22:Humidity sensor

23: Central processing unit

24:Exhaust motor

25: Human-computer interface

25A: Mode switching button

25B:Manual exhaust button

26: Door panel status sensor

27:Lighting module

28:Power module

C1: Automatic control signal

C2: Manual control signal

C3: Lighting control signal

S1: Current sensing signal

S2: Temperature sensing signal

S3: Humidity sensing signal

S4: Mode switching signal

S5: Manual exhaust signal

S6: Door panel sensing signal

Figure 1: Schematic diagram of the three-dimensional appearance of the kitchen appliance storage cabinet used in this new application.

Figure 2: A schematic front view of the kitchen appliance storage cabinet of this new application, in which the kitchen appliance storage cabinet is equipped with home appliances.

Figure 3: Partial three-dimensional cross-sectional view of the kitchen appliance storage cabinet used in this new type of application.

Figure 4: Circuit block diagram of the control system of this new kitchen appliance storage cabinet.

In order to understand the technical characteristics and practical effects of the present invention in detail, and to realize it according to the content of the new model, the detailed description is as follows:

The present invention is a control system for a kitchen appliance storage cabinet, which is provided for a kitchen appliance storage cabinet 1 as shown in Figure 1. First, the structure of the kitchen appliance storage cabinet 1 is briefly described. The kitchen appliance storage cabinet 1 includes a cabinet body. 10 and a door panel 11.

Please refer to Figure 2. The cabinet 10 has an accommodating space 12 inside. The accommodating space 12 is connected to the outside through an opening. The door panel 11 is provided on the cabinet 10 and can be operated to open or close the opening. As shown in Figure 2, the door panel 11 can be, for example, a lift-up door panel, and the top of the accommodation space 12 has a door panel storage slot. When the door panel 11 is operated to open the opening, the door panel 11 is lifted up. The door panel 11 can be extended into the door panel storage slot; the cabinet 10 also includes a tray 13 and at least one socket 14. The tray 13 can be operated to pull out or push into the accommodation space 12. The tray 13 is used to For placing at least one electrical appliance, how the tray 13 can be operated to be pulled out or pushed into the accommodation space 12 is not the technical focus of the present invention and will not be described further; the at least one socket 14 is provided in the cabinet 10 The inside of the socket 14 is used to provide a working power. Specifically, when the at least one electrical appliance is installed in the accommodation space 12, the at least one socket 14 can provide the working power required by the at least one electrical appliance.

At least one exhaust hole 15 is provided on the outside of the cabinet 10. Preferably, the at least one exhaust hole 15 and the door panel 11 are provided on the same side of the cabinet 10. The at least one exhaust hole 15 is used for exhaust. The steam or hot air in the accommodation space 12, specifically, please refer to Figure 3, the at least one exhaust hole 15 is connected to An exhaust channel 16. The other end of the exhaust channel 16 is connected to the accommodation space 12. How the kitchen appliance storage cabinet 1 discharges the steam or hot air in the accommodation space 12 will be discussed later in conjunction with the present invention. The control system is explained.

Please refer to Figure 4. The control system of the new kitchen appliance storage cabinet includes: a current sensor 20, a temperature sensor 21, a humidity sensor 22, a central processing unit 23 and an exhaust motor 24.

The current sensor 20 is disposed in the cabinet 10 and is used to sense an output current of the at least one socket 14 to generate a current sensing signal S1. For example, the current sensor 20 can be a Hall sensor. Er current sensor.

The temperature sensor 21 is disposed in the cabinet 10 for sensing the temperature in the accommodation space 12 to generate a temperature sensing signal S2. For example, the temperature sensor 21 can be a contact type temperature sensor or a non-contact temperature sensor.

The humidity sensor 22 is disposed in the cabinet 10 for sensing the humidity in the accommodation space 12 to generate a humidity sensing signal S3. For example, the humidity sensor 22 can be a resistive hygrometer or a capacitive hygrometer.

The central processing unit 23 is electrically connected to the current sensor 20 , the temperature sensor 21 and the humidity sensor 22 , and has an automatic exhaust mode or a manual exhaust mode; when the central processing unit 23 executes In the automatic exhaust mode, the central processing unit 23 receives the current sensing signal S1, the temperature sensing signal S2 and the humidity sensing signal S3 respectively, and the central processing unit 23 responds to the current sensing signal S1, the The magnitude of one of the temperature sensing signal S2 and the humidity sensing signal S3 generates an automatic control signal C1. Specifically, the central processing unit 23 presets a current threshold, a temperature threshold and a humidity threshold. When the value of the current sensing signal S1 received by the central processing unit 23 is greater than the current threshold, the central processing unit 23 The processing unit 23 generates the automatic control signal C1; or when the value of the temperature sensing signal S2 received by the central processing unit 23 is greater than the temperature threshold, the central processing unit 23 generates the automatic control signal C1; or when the value of the humidity sensing signal S3 received by the central processing unit 23 is greater than the humidity threshold, the central processing unit 23 generates the automatic control signal C1, wherein the automatic control signal C1 can It is a start signal or a shutdown signal.

The exhaust motor 24 is electrically connected to the central processing unit 23 to receive the automatic control signal C1 and start or shut down according to the automatic control signal C1. Specifically, the exhaust motor 24 is disposed between the exhaust channel 16 and the exhaust channel 16. The connection of the accommodation space 12, and the exhaust motor 24 is connected to a fan 17 as shown in Figure 3. When the automatic control signal C1 is a start signal, the exhaust motor 24 will start to drive the fan 17 to rotate. To generate an air extraction flow, the air extraction flow will be discharged from the exhaust channel 16 from the at least one exhaust hole 15, and the steam or hot air in the accommodation space 12 will be discharged with the air extraction flow; when the automatic When the control signal C1 is a closing signal, the exhaust motor 24 stops operating and the fan 17 stops rotating.

In an embodiment of the present invention, the control system also includes a human-machine interface 25. The human-machine interface 25 is electrically connected to the central processing unit 23. As shown in Figure 1, the human-machine interface 25 is disposed on the cabinet 10. For example, the human-machine interface 25 includes a mode switching button 25A and a manual exhaust button 25B. When the mode switching button 25A is pressed or touched, a mode switching signal is transmitted. S4 is given to the central processing unit 23 to cause the central processing unit 23 to execute the automatic exhaust mode or the manual exhaust mode.

When the central processing unit 23 executes the automatic exhaust mode, the central processing unit 23 will generate a signal according to the magnitude of one of the current sensing signal S1, the temperature sensing signal S2 and the humidity sensing signal S3 as described above. The automatic control signal C1 causes the exhaust motor 24 to start or shut down according to the automatic control signal C1; when the central processing unit 23 executes the manual exhaust mode and the manual exhaust button 25B is pressed or touched, a A manual exhaust signal S5 is sent to the central processing unit 23, causing the central processing unit 23 to send a manual control signal C2 to the exhaust motor 24 according to the manual exhaust signal S5, and the exhaust motor 24 will be based on the manual control signal C2. Start or shut down.

In an embodiment of the present invention, the control system also includes a door panel status sensor 26 and a lighting module 27. The door panel status sensor 26 and the lighting module 27 are electrically connected to the central processing unit 23 respectively. Connected, the door panel status sensor 26 is used to sense the opening and closing status of the door panel 11 to generate a door panel sensing signal S6 to the central processing unit 23. The central processing unit 23 generates a light according to the door panel sensing signal S6. The control signal C3 is sent to the lighting module 27 so that the lighting module 27 is activated or deactivated according to the lighting control signal C3.

For example, the door panel status sensor 26 is a micro switch disposed adjacent to the opening, and the lighting module 27 is a light-emitting element formed by a light-emitting diode (LED). When the door panel 11 is closed, the door panel 11 When the micro switch (the door panel status sensor 26) is pressed, the central processing unit 23 receives a first potential signal and controls the lighting module 27 to turn off; when the door panel 11 is opened, the door panel 11 stops pressing the micro switch ( The door panel status sensor 26), the central processing unit 23 will receive a second potential signal to control the activation of the lighting module 27, wherein the first potential signal and the second potential signal are the door panel sensing signals. S6, and the potential relationship between the first potential signal and the second potential signal is relative.

In addition, in an embodiment of the present invention, the control system also includes a power module 28. The power module 28 is electrically connected to the central processing unit 23 to provide a task required for the operation of the central processing unit 23. Power, for example, the power module 28 includes an external power connector and a transformer. The external power connector is connected to the transformer, and the external power connector is electrically connected to an external socket to receive the external power supply. , the external power supply converts the working power required by the central processing unit 23 through the transformer.

The control system of the new kitchen appliance storage cabinet senses the output current of at least one socket inside the cabinet through a current sensor 20, a temperature sensor 21 to sense the temperature inside the cabinet, and a humidity sensor 22 to sense its internal temperature. Internal humidity, when the signal value sensed by the current sensor 20 is greater than a preset current threshold, it indicates that the home appliances installed in the kitchen appliance storage cabinet may be in use. The central processing unit 23 will control an exhaust motor 24 to operate; and when the household appliance has just stopped being used, the steam remaining inside the kitchen appliance storage cabinet will cause the temperature or humidity to be in a higher state, such as If the signal value sensed by the temperature sensor 21 is greater than a preset temperature threshold, or the signal value sensed by the humidity sensor 22 is greater than a preset humidity threshold, the central processing unit 23 will also control the The exhaust motor 24 is operated to prevent the home appliance product from being affected by high temperature and moisture for a long time.

The above description only describes the implementation modes or examples of the technical means used to solve the problems of the present invention, and is not intended to limit the scope of the patent implementation of the present invention. That is to say, all changes and modifications that are consistent with the literal meaning of the application scope of this new patent, or are equivalent changes and modifications made in accordance with the scope of this new patent, are covered by the scope of this new patent.

20:Current sensor

21:Temperature sensor

22:Humidity sensor

23: Central processing unit

24:Exhaust motor

25: Human-computer interface

25A: Mode switching button

25B:Manual exhaust button

26: Door panel status sensor

27:Lighting module

28:Power module

C1: Automatic control signal

C2: Manual control signal

C3: Lighting control signal

S1: Current sensing signal

S2: Temperature sensing signal

S3: Humidity sensing signal

S4: Mode switching signal

S5: Manual exhaust signal

S6: Door panel sensing signal

Claims (7)

A control system for a kitchen appliance storage cabinet, which is provided for a kitchen appliance storage cabinet. The kitchen appliance storage cabinet has an internal storage space and at least one socket. The control system includes: a current sensor for sensing an output current of the at least one socket to generate a current sensing signal; a temperature sensor for sensing the temperature in the accommodation space to generate a temperature sensing signal; a humidity sensor for sensing the humidity in the accommodation space to generate a humidity sensing signal; A central processing unit is electrically connected to the current sensor, the temperature sensor and the humidity sensor. When the central processing unit executes an automatic exhaust mode, the central processing unit based on the current sensing signal, The magnitude of one of the temperature sensing signal and the humidity sensing signal generates an automatic control signal; An exhaust motor is electrically connected to the central processing unit to receive the automatic control signal and start or shut down according to the automatic signal. The control system of the kitchen appliance storage cabinet as described in claim 1, wherein the central processing unit presets a current threshold, a temperature threshold and a humidity threshold. When the value of the current sensing signal is greater than the current threshold value, the automatic control signal is generated; or when the value of the temperature sensing signal is greater than the temperature threshold, the automatic control signal is generated; or when the value of the humidity sensing signal is greater than the humidity threshold, the automatic control signal is generated . The control system for kitchen appliance storage cabinets as described in claim 1, wherein the control system further includes: A human-machine interface is electrically connected to the central processing unit and includes a mode switching button. The mode switching button is used to switch the central processing unit to execute the automatic exhaust mode or a manual exhaust mode. The control system of the kitchen appliance storage cabinet as described in claim 3, wherein the human-machine interface further includes a manual exhaust button. When the central processing unit executes the manual exhaust mode and the manual exhaust button is pressed or When touched, the central processing unit sends a manual control signal to the exhaust motor, causing the exhaust motor to start or shut down according to the manual control signal. The control system of the kitchen appliance storage cabinet as described in claim 1, wherein the kitchen appliance storage cabinet further includes a door panel, and the control system further includes: a door panel status sensor, electrically connected to the central processing unit, for sensing the opening and closing status of the door panel to generate a door panel sensing signal to the central processing unit; A lighting module is electrically connected to the central processing unit for receiving a lighting control signal transmitted by the central processing unit and turning on or off according to the lighting control signal. The control system of the kitchen appliance storage cabinet as described in claim 5, wherein the door panel status sensor is a micro switch. When the door panel is closed, the door panel presses the micro switch, and the central processing unit controls the lighting module. Close; when the door panel is opened, the door panel stops pressing the micro switch, and the central processing unit controls the lighting module to start. The control system for kitchen appliance storage cabinets as described in claim 1, wherein the control system further includes: A power module is electrically connected to the central processing unit, and the power module is used to provide a working power required for the operation of the central processing unit.