CN219084831U - Kitchen appliance and knocking detection device thereof - Google Patents
Kitchen appliance and knocking detection device thereof Download PDFInfo
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- CN219084831U CN219084831U CN202320179690.6U CN202320179690U CN219084831U CN 219084831 U CN219084831 U CN 219084831U CN 202320179690 U CN202320179690 U CN 202320179690U CN 219084831 U CN219084831 U CN 219084831U
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Abstract
The utility model provides a kitchen appliance and a knocking detection device thereof, wherein the knocking detection device comprises a control module, a vibration detection module and a touch detection module, wherein the vibration detection module and the touch detection module are electrically connected with the control module; a preset knocking area is arranged on the panel of the kitchen appliance, and a touch detection module is correspondingly arranged in the preset knocking area; the vibration detection module collects vibration signals generated by knocking a preset knocking area by a user within a preset time period and sends the vibration signals to the control module; the touch detection module collects touch signals generated by a user knocking a preset knocking area within a preset time period and sends the touch signals to the control module; the control module responds to the knocking operation of the user according to the vibration signal and the touch signal. The device provided by the utility model collects the vibration signals and the touch signals generated by the user striking the preset striking area of the kitchen appliance within the preset time period to respond to the instruction of the user, has good universality, can meet the actual requirements, and improves the product performance of the kitchen appliance and the use experience of the user.
Description
Technical Field
The utility model relates to the technical field of intelligent household appliances, in particular to a kitchen appliance and a knocking detection device thereof.
Background
At present, a user gives an instruction to a kitchen appliance (such as a range hood) mainly through a key or touch mode so as to control the corresponding operation function of the kitchen appliance; generally, the physical keys or the control touch keys are arranged on the kitchen appliance and are realized by clicking the corresponding keys by lifting hands of a user; and for use scenes that some users feel that the hand lifting operation mode is troublesome or the height is low and the operation is inconvenient, the existing intelligent household appliances cannot have better universality and cannot meet the actual demands of the users.
Disclosure of Invention
The utility model aims to overcome the defects that in the prior art, a user controls a kitchen appliance to execute instructions in a key or touch mode, so that the universality is low, the actual requirements of the user cannot be met, the use experience of the user is low and the like.
The utility model solves the technical problems by the following technical scheme:
the utility model provides a knocking detection device in a kitchen appliance, which comprises a control module, and a vibration detection module and a touch detection module which are respectively and electrically connected with the control module, wherein the control module and the vibration detection module are both arranged in a main body structure of the kitchen appliance;
a preset knocking area is arranged on a panel of the kitchen appliance, and the touch detection module is correspondingly arranged in the preset knocking area;
the vibration detection module is used for collecting vibration signals generated by the fact that a user knocks the preset knocking area within a preset time period and sending the vibration signals to the control module;
the touch detection module is used for collecting touch signals generated by the user striking the preset striking area in the preset time period and sending the touch signals to the control module;
the control module is used for responding to the knocking operation of the user according to the vibration signal and the touch signal.
Preferably, the tapping operation in the preset tapping area determines whether to be valid based on a preset tapping response rule;
the control module is used for executing corresponding user instructions based on the effective knocking operation control.
Preferably, N preset knocking areas are arranged on the panel of the kitchen appliance; wherein N is a positive integer;
wherein each preset knocking area corresponds to one vibration detection module.
Preferably, different preset tapping areas are used for triggering different types of user instructions so as to perform different adapting adjustments on the kitchen appliance.
Preferably, the vibration detection module comprises an acceleration sensor;
and/or the number of the groups of groups,
the control module comprises an MCU (Microcontroller Unit, micro control unit).
Preferably, the knocking detection device further comprises a power supply module;
the power supply module is used for supplying power to the knocking detection device.
Preferably, the acceleration sensor comprises an acceleration chip, a first resistor and a second resistor;
the first acceleration pin of the acceleration chip is electrically connected with one end of the first resistor, the other end of the first resistor is electrically connected with one end of the second resistor, and the other end of the second resistor is electrically connected with the second acceleration pin of the acceleration chip;
and the third acceleration pin of the acceleration chip and the fourth acceleration pin of the acceleration chip are grounded.
Preferably, the touch detection module includes a touch sensing chip, a touch chip, a first capacitor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a first MOS (Metal Oxide Semiconductor ) transistor, a second MOS transistor, and a first diode;
one end of the touch sensing piece is electrically connected with one end of the first capacitor and one end of the third resistor respectively, the other end of the first capacitor is grounded, and the other end of the third resistor is electrically connected with a first touch pin of the touch chip;
the source electrode of the first MOS tube is electrically connected with a second touch pin of the touch chip, the grid electrode of the first MOS tube is electrically connected with one end of the eighth resistor, the drain electrode of the first MOS tube is respectively electrically connected with one end of the fourth resistor and one end of the fifth resistor, the other end of the fourth resistor is electrically connected with a fifth acceleration pin of the acceleration chip, and the other end of the fifth resistor is respectively electrically connected with one end of the sixth resistor, one end of the seventh resistor and the other end of the eighth resistor;
the grid electrode of the second MOS tube is electrically connected with the other end of the seventh resistor, the source electrode of the second MOS tube is respectively and electrically connected with the other end of the sixth resistor, a sixth acceleration pin of the acceleration chip and the anode of the first diode, the drain electrode of the second MOS tube is respectively and electrically connected with the cathode of the first diode and one end of the ninth resistor, and the other end of the ninth resistor is respectively and electrically connected with one end of the tenth resistor and a third touch pin of the touch chip;
the vibration detection module transmits the vibration signal to the touch detection module in a serial port communication mode through the fifth acceleration pin and the sixth acceleration pin;
the touch sensing piece is made of metal foil.
Preferably, the touch detection module further includes an eleventh resistor, a twelfth resistor, a thirteenth resistor, a second capacitor, a third capacitor, a fourth capacitor, a second diode, a third diode, and an interface;
a fourth touch pin of the touch chip is electrically connected with one end of the second capacitor and one end of the eleventh resistor respectively, and the other end of the second capacitor is grounded;
the other end of the eleventh resistor is electrically connected with one end of the twelfth resistor, one end of the third capacitor, the cathode of the second diode and the first end of the interface respectively;
a fifth touch pin of the touch chip is electrically connected with one end of the thirteenth resistor;
the other end of the thirteenth resistor is electrically connected with one end of the fourth capacitor, the cathode of the third diode and the second end of the interface respectively;
the other end of the third capacitor, the anode of the second diode, the other end of the fourth capacitor and the anode of the third diode are grounded.
Preferably, the power supply module comprises a fifth capacitor, a sixth capacitor, a seventh capacitor and a voltage source;
the output end of the voltage source is electrically connected with one end of the fifth capacitor;
the input end of the voltage source is electrically connected with one end of the sixth capacitor, one end of the seventh capacitor and the third end of the interface;
the ground terminal of the voltage source, the other end of the fifth capacitor, the other end of the sixth capacitor, the other end of the seventh capacitor and the fourth terminal of the interface are all grounded.
The utility model also provides a kitchen appliance comprising the knocking detection device in the kitchen appliance.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the utility model.
The utility model has the positive progress effects that:
according to the knocking detection device in the kitchen appliance, the vibration signal and the touch signal generated when a user knocks a preset knocking area of the kitchen appliance within the preset time period are collected, the knocking operation of the user is responded, and the preset user instruction is executed, so that the kitchen appliance is adaptively regulated, the response precision and timeliness to the user instruction are ensured, the good universality is achieved, the actual requirements of the user can be met, and the product performance of the kitchen appliance and the use experience of the user are improved.
Drawings
Fig. 1 is a schematic block diagram of a knock detection device in a kitchen appliance according to embodiment 1 of the present utility model.
Fig. 2 is a schematic block diagram of a knock detection device in a kitchen appliance according to embodiment 2 of the present utility model.
Fig. 3 is a schematic circuit diagram of a knock detection device in a kitchen appliance according to embodiment 2 of the present utility model.
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.
Example 1
The embodiment provides a knocking detection device in a kitchen appliance, as shown in fig. 1, the knocking detection device comprises a control module 1, and a vibration detection module 2 and a touch detection module 3 which are respectively and electrically connected with the control module 1, wherein the control module 1 and the vibration detection module 2 are both arranged in a main body structure of the kitchen appliance;
the panel of the kitchen appliance is provided with a preset knocking area, and the preset knocking area is correspondingly provided with a touch detection module 3.
The vibration detection module 2 is configured to collect a vibration signal generated by a user striking a preset striking area within a preset time period, and send the vibration signal to the control module 1.
The touch detection module 3 is configured to collect a touch signal generated by a user striking a preset striking area within a preset time period, and send the touch signal to the control module 1.
In this embodiment, the vibration detection module detects a tapping analog signal of a user performing a tapping operation, converts the tapping analog signal into a tapping vibration electric signal, and sends the tapping vibration electric signal to the control module; the touch detection module detects a touch analog signal of the knocking operation executed by the user, converts the touch analog signal into a touch electric signal and sends the touch electric signal to the control module.
The control module 1 is used for responding to the knocking operation of a user according to the vibration signal and the touch signal.
In this embodiment, the knock detection device in the kitchen appliance responds to the knock operation of the user by collecting the vibration signal and the touch signal generated when the user knocks the preset knocking area of the kitchen appliance in the preset time period, and executes the preset user instruction, so as to perform the adaptation adjustment on the kitchen appliance, ensure the response precision and timeliness to the user instruction, have good universality, can meet the actual demands of the user, and promote the use experience of the user.
Example 2
The present embodiment provides a knock detection device in a kitchen appliance, as shown in fig. 2 and 3, which is a further improvement of embodiment 1.
In one embodiment, a tap operation in a preset tap region determines whether it is valid based on a preset tap response rule;
the control module 1 is used for controlling execution of corresponding user instructions based on effective tapping operation.
In this embodiment, the preset tapping response rules include, but are not limited to: and if the vibration signal and the touch signal with the preset times are detected within the preset time period, determining that the knocking operation of the user is effective. The preset number of times is two, and then the knocking operation is double-clicking. The preset number of times can be set or adjusted according to a specific usage scenario, and is not particularly limited herein.
In one embodiment, N preset striking areas are provided on a panel of the kitchen appliance; wherein N is a positive integer;
wherein, each preset knocking area corresponds to one vibration detection module 2.
In this embodiment, every is preset to beat regional also can correspond a plurality of vibration detection module, guarantees when a vibration detection module breaks down, beats detection device still can normal operating, has guaranteed the accuracy that beats the detection, and then has guaranteed the precision and the timeliness of responding to user's instruction, has promoted user's use experience and has felt.
In one embodiment, different preset tap areas are used to trigger different types of user commands to make different adaptations to the kitchen appliance.
In this embodiment, for kitchen appliances, such as a range hood, the user instruction includes adjusting power, adjusting light brightness, and the like; for example, a stove, the user instructions include adjusting fire, etc. Tapping at different preset tapping areas of the kitchen appliance can trigger different types of instructions of the user.
In an embodiment, the vibration detection module 2 comprises an acceleration sensor 21;
the control module 1 comprises an MCU11.
In one embodiment, the acceleration sensor 21 includes an acceleration chip 211, a first resistor R1, and a second resistor R2;
the first acceleration pin 2111 of the acceleration chip 211 is electrically connected to one end of the first resistor R1, the other end of the first resistor R1 is electrically connected to one end of the second resistor R2, and the other end of the second resistor R2 is electrically connected to the second acceleration pin 2112 of the acceleration chip 211;
the third acceleration pin 2113 of the acceleration chip 211 and the fourth acceleration pin 2114 of the acceleration chip 211 are both grounded.
In this embodiment, the chip type of the acceleration chip is selected or adjusted according to the actual requirement. The acceleration chip is used for sensing the vibration of the panel and converting the vibration into an electric signal.
In an embodiment, the touch detection module 3 includes a touch sensing chip 31, a touch chip 32, a first capacitor C1, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, a first MOS transistor Q1, a second MOS transistor Q2, and a first diode D1;
one end of the touch sensing piece 31 is electrically connected with one end of the first capacitor C1 and one end of the third resistor R3 respectively, the other end of the first capacitor C1 is grounded, and the other end of the third resistor R3 is electrically connected with the first touch pin 321 of the touch chip 32;
the source electrode of the first MOS tube Q1 is electrically connected with the second touch pin 322 of the touch chip 32, the grid electrode of the first MOS tube Q1 is electrically connected with one end of the eighth resistor R8, the drain electrode of the first MOS tube Q1 is respectively electrically connected with one end of the fourth resistor R4 and one end of the fifth resistor R5, the other end of the fourth resistor R4 is electrically connected with the fifth acceleration pin 2115 of the acceleration chip 211, and the other end of the fifth resistor R5 is respectively electrically connected with one end of the sixth resistor R6, one end of the seventh resistor R7 and the other end of the eighth resistor R8;
the grid electrode of the second MOS tube Q2 is electrically connected with the other end of the seventh resistor R7, the source electrode of the second MOS tube Q2 is respectively electrically connected with the other end of the sixth resistor R6, a sixth acceleration pin 2116 of the acceleration chip 211 and the anode of the first diode D1, the drain electrode of the second MOS tube Q2 is respectively electrically connected with the cathode of the first diode D1 and one end of a ninth resistor R9, and the other end of the ninth resistor R9 is respectively electrically connected with one end of a tenth resistor R10 and a third touch pin 323 of the touch chip 32;
the vibration detection module 2 transmits a vibration signal to the touch detection module 3 in a serial communication mode through a fifth acceleration pin 2115 and a sixth acceleration pin 2116;
the touch sensing sheet 31 is made of metal foil.
In this embodiment, the touch sensing sheet is used for sensing a touch of a user and converting the touch sensing sheet into an electrical signal. The touch sensing sheet is made of metal foil, specifically aluminum foil. The metal foil can ensure the fitting and the fastening. The first capacitor is a touch capacitor, and the touch sensing piece senses the touch of a user to change the capacitance value of the first capacitor. The chip type of the touch chip is selected or adjusted according to actual requirements.
In an embodiment, the touch detection module 3 further includes an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a second diode D2, a third diode D3, and an interface 33;
the fourth touch pin 324 of the touch chip 32 is electrically connected with one end of the second capacitor C2 and one end of the eleventh resistor R11, and the other end of the second capacitor C2 is grounded;
the other end of the eleventh resistor R11 is electrically connected to one end of the twelfth resistor R12, one end of the third capacitor C3, the cathode of the second diode D2, and the first end 331 of the interface 33, respectively;
the fifth touch pin 325 of the touch chip 32 is electrically connected to one end of the thirteenth resistor R13;
the other end of the thirteenth resistor R13 is electrically connected to one end of the fourth capacitor C4, the cathode of the third diode D3, and the second end 332 of the interface 33, respectively;
the other end of the third capacitor C3, the anode of the second diode D2, the other end of the fourth capacitor C4 and the anode of the third diode D3 are all grounded.
In this embodiment, the touch detection module communicates with the MCU through the interface, and transmits the touch signal and the vibration signal to the MCU.
In an embodiment, the knocking detection device further comprises a power supply module 4;
the power supply module 4 is used for supplying power to the knocking detection device.
In this embodiment, the power supply module can supply voltages of 5V and 3.3V to the knock detection device.
In an embodiment, the power supply module 4 includes a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, and a voltage source 41;
the output terminal 411 of the voltage source 41 is electrically connected to one end of the fifth capacitor C5;
an input end 412 of the voltage source 41 is electrically connected to one end of the sixth capacitor C6, one end of the seventh capacitor C7, and the third end 333 of the interface 33;
the ground 413 of the voltage source 41, the other end of the fifth capacitor C5, the other end of the sixth capacitor C6, the other end of the seventh capacitor C7 and the fourth end 334 of the interface 33 are all grounded.
For the other parts of the circuit configuration diagram of fig. 3, corresponding functions can be implemented synchronously, as will be clear to a person skilled in the art.
The operating principle of the knocking detection device in the kitchen appliance of the embodiment is as follows:
when a user knocks in a preset knocking area of a panel of the kitchen appliance, a touch detection module and a vibration detection module in a knocking detection device of the kitchen appliance respectively detect touch signals and vibration signals and send the touch signals and the vibration signals to a control module, and when the control module detects the touch signals and the vibration signals of preset times in a preset time period, a preset user instruction is executed in response to the knocking operation of the user, so that the kitchen appliance is adaptively adjusted.
In this embodiment, the knock detection device in the kitchen appliance responds to the knock operation of the user by collecting the vibration signal and the touch signal generated when the user knocks the preset knock area of the kitchen appliance in the preset time period, and executes the preset user instruction, so as to perform the adaptation adjustment on the kitchen appliance, improve the anti-interference capability of knock detection, ensure the accuracy of knock detection, further ensure the response precision and timeliness of the user instruction, have good universality, can meet the actual demands of the user, and promote the product performance of the kitchen appliance and the use experience of the user.
Example 3
The present embodiment provides a kitchen appliance including a tap detection device in the kitchen appliance as described in embodiment 1 or embodiment 2. Among them, kitchen appliances include, but are not limited to, range hoods.
Specifically, the knocking detection device in the kitchen appliance responds to the knocking operation of the user by collecting the vibration signal and the touch signal generated when the user knocks the preset knocking area of the kitchen appliance in the preset time period and executes the preset user instruction, so that the kitchen appliance is adaptively regulated, the response precision and timeliness to the user instruction are ensured, the good universality is realized, the actual requirements of the user can be met, and the product performance of the kitchen appliance and the use experience sense of the user are improved.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and 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 principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (10)
1. The knocking detection device in the kitchen appliance is characterized by comprising a control module, a vibration detection module and a touch detection module, wherein the vibration detection module and the touch detection module are respectively and electrically connected with the control module, and the control module and the vibration detection module are both arranged in a main body structure of the kitchen appliance;
a preset knocking area is arranged on a panel of the kitchen appliance, and the touch detection module is correspondingly arranged in the preset knocking area;
the vibration detection module is used for collecting vibration signals generated by the fact that a user knocks the preset knocking area within a preset time period and sending the vibration signals to the control module;
the touch detection module is used for collecting touch signals generated by the user striking the preset striking area in the preset time period and sending the touch signals to the control module;
the control module is used for responding to the knocking operation of the user according to the vibration signal and the touch signal.
2. The tap detection arrangement in a kitchen appliance according to claim 1, wherein the tap operation in the preset tap area determines whether it is valid based on a preset tap response rule;
the control module is used for executing corresponding user instructions based on the effective knocking operation control.
3. The tap detection arrangement in a kitchen appliance according to claim 2, wherein N of said preset tap areas are provided on said panel of said kitchen appliance; wherein N is a positive integer;
wherein each preset knocking area corresponds to one vibration detection module.
4. A tap detection arrangement in a kitchen appliance as claimed in claim 2 or 3, wherein different ones of said preset tap areas are used to trigger different types of said user instructions for different adaptation of said kitchen appliance.
5. The tap detection arrangement in a kitchen appliance according to claim 1, wherein the vibration detection module comprises an acceleration sensor;
and/or the number of the groups of groups,
the control module comprises an MCU.
6. The tap detection arrangement in a kitchen appliance of claim 5, wherein the tap detection arrangement further comprises a power supply module;
the power supply module is used for supplying power to the knocking detection device.
7. The tap detection arrangement in a kitchen appliance as claimed in claim 6, wherein the acceleration sensor comprises an acceleration chip, a first resistor and a second resistor;
the first acceleration pin of the acceleration chip is electrically connected with one end of the first resistor, the other end of the first resistor is electrically connected with one end of the second resistor, and the other end of the second resistor is electrically connected with the second acceleration pin of the acceleration chip;
and the third acceleration pin of the acceleration chip and the fourth acceleration pin of the acceleration chip are grounded.
8. The device of claim 7, wherein the touch detection module comprises a touch sensing chip, a touch chip, a first capacitor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, a first MOS transistor, a second MOS transistor, and a first diode;
one end of the touch sensing piece is electrically connected with one end of the first capacitor and one end of the third resistor respectively, the other end of the first capacitor is grounded, and the other end of the third resistor is electrically connected with a first touch pin of the touch chip;
the source electrode of the first MOS tube is electrically connected with a second touch pin of the touch chip, the grid electrode of the first MOS tube is electrically connected with one end of the eighth resistor, the drain electrode of the first MOS tube is respectively electrically connected with one end of the fourth resistor and one end of the fifth resistor, the other end of the fourth resistor is electrically connected with a fifth acceleration pin of the acceleration chip, and the other end of the fifth resistor is respectively electrically connected with one end of the sixth resistor, one end of the seventh resistor and the other end of the eighth resistor;
the grid electrode of the second MOS tube is electrically connected with the other end of the seventh resistor, the source electrode of the second MOS tube is respectively and electrically connected with the other end of the sixth resistor, a sixth acceleration pin of the acceleration chip and the anode of the first diode, the drain electrode of the second MOS tube is respectively and electrically connected with the cathode of the first diode and one end of the ninth resistor, and the other end of the ninth resistor is respectively and electrically connected with one end of the tenth resistor and a third touch pin of the touch chip;
the vibration detection module transmits the vibration signal to the touch detection module in a serial port communication mode through the fifth acceleration pin and the sixth acceleration pin;
the touch sensing piece is made of metal foil.
9. The tap detection arrangement in a kitchen appliance of claim 8, wherein the touch detection module further comprises an eleventh resistor, a twelfth resistor, a thirteenth resistor, a second capacitor, a third capacitor, a fourth capacitor, a second diode, a third diode, and an interface;
a fourth touch pin of the touch chip is electrically connected with one end of the second capacitor and one end of the eleventh resistor respectively, and the other end of the second capacitor is grounded;
the other end of the eleventh resistor is electrically connected with one end of the twelfth resistor, one end of the third capacitor, the cathode of the second diode and the first end of the interface respectively;
a fifth touch pin of the touch chip is electrically connected with one end of the thirteenth resistor;
the other end of the thirteenth resistor is electrically connected with one end of the fourth capacitor, the cathode of the third diode and the second end of the interface respectively;
the other end of the third capacitor, the anode of the second diode, the other end of the fourth capacitor and the anode of the third diode are grounded.
10. A kitchen appliance, characterized in that it comprises a tap detection arrangement in a kitchen appliance as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320179690.6U CN219084831U (en) | 2023-02-01 | 2023-02-01 | Kitchen appliance and knocking detection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320179690.6U CN219084831U (en) | 2023-02-01 | 2023-02-01 | Kitchen appliance and knocking detection device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219084831U true CN219084831U (en) | 2023-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320179690.6U Active CN219084831U (en) | 2023-02-01 | 2023-02-01 | Kitchen appliance and knocking detection device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219084831U (en) |
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2023
- 2023-02-01 CN CN202320179690.6U patent/CN219084831U/en active Active
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