CN210861206U

CN210861206U - Knob device and cooker applying same

Info

Publication number: CN210861206U
Application number: CN201920312978.XU
Authority: CN
Inventors: 周华; 肖胜清; 史井雄; 褚武建; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-06-26
Anticipated expiration: 2029-03-13

Abstract

The utility model relates to a knob device, which comprises an electrical component arranged below a panel and a knob body which can be arranged above the panel corresponding to the electrical component, wherein the electrical component comprises a first control circuit board and at least two capacitance pieces which are circumferentially arranged on the first control circuit board, and each capacitance piece is electrically connected with the first control circuit board; the knob body comprises a shell, a second control circuit board and a temperature probe, wherein the second control circuit board and the temperature probe are arranged in the shell, and the temperature probe corresponds to the capacitance piece and is electrically connected with the second control circuit board. The utility model discloses still relate to a cooking utensils, including cooking utensils panel and aforementioned knob device. The knob device can simultaneously realize knob rotation detection and can also carry out temperature detection. The cooking utensil using the knob device has better cooking experience.

Description

Knob device and cooker applying same

Technical Field

The utility model relates to a knob device still relates to an applied this knob device's cooking utensils.

Background

The knob that uses on the current electrical apparatus usually needs punch on the panel, and then the installation knob, and then carries out regulation and control, but this kind of knob leakproofness often is not good, intakes easily and causes the damage of inside electrical apparatus. Chinese utility model patent that the bulletin number is CN206320810U (application number is 201621167593.1) "a kitchen range of firepower knob control", wherein the kitchen range of disclosing firepower knob control, including furnace body, face, adorn in the furnace body adjust the control valve of kitchen range firepower size and adorn in the face carry out the control piece of controlling to the control valve, the control valve includes hall sensor, carries out the circuit board of being connected with hall sensor's sensing signal, and hall sensor includes magnet piece, drives magnet piece pivoted rotor piece, carries out the hall element that detects to the position of magnet piece, and wherein the magnet piece is including the semi-circular magnet a and the semi-circular magnet B of separation setting. The voltage detected by the Hall element is different, and if the Hall element is applied to a fire power adjusting switch, the adjustment of 180 degrees from small fire to continuous large fire can be realized. The operating control piece is independently arranged on the furnace surface, holes do not need to be dug on the furnace surface during installation, the use is attractive and convenient, and the knob has a single function.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that a knob device that can realize simultaneously that the knob rotates and detects, can also carry out temperature detection simultaneously is provided to above-mentioned prior art.

The utility model discloses the second technical problem that will solve provides one kind and can detect the culinary art temperature at the culinary art in-process to above-mentioned prior art, promotes the cooking utensils that the culinary art was experienced.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a knob device includes an electrical component disposed below a panel, and a knob body capable of being disposed above the panel corresponding to the electrical component, characterized in that: the electric assembly comprises a first control circuit board and at least two capacitor pieces arranged on the first control circuit board along the circumferential direction, and each capacitor piece is electrically connected with the first control circuit board;

the knob body comprises a shell, a second control circuit board and a temperature probe, wherein the second control circuit board and the temperature probe are arranged in the shell, and the temperature probe is arranged corresponding to the capacitance piece and is electrically connected with the second control circuit board.

In order to effectively transmit the detection information of the knob body into the electrical assembly, the electrical assembly further comprises a first wireless communication module electrically connected with the first control circuit board, a second wireless communication module electrically connected with the second control circuit board is arranged in the shell, and the second wireless communication module is in wireless communication connection with the first wireless communication module.

In order to facilitate the positioning and the placement of the knob body, the electric assembly also comprises a first magnet which is fixedly arranged;

the center of the knob body is provided with a second magnet which can be attracted with the first magnet, and the temperature probe is arranged on one side of the second magnet.

In order to facilitate the installation of the electrical assembly below the panel, the limiting placement of the second magnet and the capacitor is facilitated, the accuracy of the placement positions of the second magnet and the capacitor is ensured, the first control circuit board is fixedly connected below the panel, a gap is formed between the first control circuit board and the panel, and the capacitor and the first magnet are both fixed on the upper surface of the control circuit board;

the gap is internally provided with a limiting part, the limiting part is supported and arranged on a first control circuit board, the lower surface of the limiting part is provided with a first limiting groove used for limiting a first magnet and a second limiting groove used for limiting a capacitance part, and the second limiting groove is arranged outside the first limiting groove along the circumferential direction.

In order to display information, the knob body further comprises a display screen which is arranged on the shell and is electrically connected with the second control circuit board.

In order to facilitate the operation and control, the knob body further comprises a key which is arranged on the shell and is electrically connected with the second control circuit board.

In order to improve the metal volume of the temperature probe to match the capacitor body to detect the rotating direction and the angle and improve the detection sensitivity, the shell is a metal shell, a metal mounting seat extends inwards on the inner side wall of the shell, and the temperature probe is arranged on the mounting seat.

In order to improve the detection sensitivity, the temperature probe is embedded in the bottom plate of the shell and is flush with the bottom plate of the shell.

Preferably, the temperature probe is an infrared probe.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: a cooking utensil comprises a cooking utensil panel and the knob device.

Compared with the prior art, the utility model has the advantages of: the utility model provides a knob device can utilize temperature probe and electric capacity piece cooperation to use in order to detect knob body rotation direction and turned angle, and then adjusts the regulation work among its applied environment, when this knob device is used in cooking utensils, can be through the size of the rotatory regulation firepower of the knob body and the break-make of control cooking utensils. Meanwhile, the temperature probe can also be used as a temperature probe for temperature measurement, namely the rotating body can be independently used as a thermometer. The cooking stove with the knob device can be used for taking up the knob body to detect the temperature in the cooking process, so that the cooking effect is optimized according to the firepower of the detected temperature control cooking stove, and the cooking experience is improved.

Drawings

Fig. 1 is a perspective view of a cooker in an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a knob assembly in an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The knob device in this embodiment can be applied to various electric appliances requiring polarity gear adjustment, and this embodiment takes the application of the knob device in a kitchen range as an example, and the knob device and the kitchen range using the knob device are explained in detail at the same time.

As shown in fig. 1 and 2, the cooktop in the present embodiment includes a cooktop panel 300 and a knob device. The knob device includes an electrical component 100 disposed below the cooktop panel 300, and a knob body 200 disposed above the cooktop panel 300 corresponding to the electrical component 100.

The electrical component 100 includes a first control circuit board 1, a first magnet 6, a limiting member 8, a first wireless communication module, and at least two capacitor members 2, wherein the first wireless communication module and the capacitor members 2 are electrically connected to the first control circuit board 1, respectively. Four corners of the first control circuit board 1 are fixedly connected to the lower surface of the panel 300 through connecting parts, a gap is formed between the first control circuit board 1 and the cooker panel 300, and the first magnet 6 and each capacitor 2 are arranged in the gap. In order to realize that the first magnet 6 and the limiting installation of each capacitor 2 are matched with each other to ensure that the components in the knob body 200 are used, the limiting member 8 comprises a flat plate horizontally arranged and a limiting wall connected below the flat plate, the flat plate is arranged close to the lower surface of the cooker panel 300, the limiting wall is supported and arranged on the first control circuit board 1, the limiting wall forms a first limiting groove 81 and a second limiting groove 82 of the limiting member 8 below the flat plate, the first limiting groove 81 is positioned in the middle of the limiting member 8 and is circular, the second limiting groove 82 is annular and is positioned outside the first limiting groove 81 along the circumferential direction, so that the first magnet 6 is limited and arranged in the first limiting groove 81, and each capacitor 2 is uniformly distributed and arranged along the circumferential direction and is limited and arranged in the second limiting groove 82.

The knob body 200 comprises a shell 3, a temperature probe 5, a second control circuit board 4, a first magnet 6, a display screen 9 and a key 10, wherein the temperature probe 5, the second control circuit board 4 and the first magnet are arranged in the shell 3. Wherein the temperature probe 5, the display screen 9 and the key 10 are respectively and electrically connected with the second control circuit board 4. And a second wireless communication module electrically connected with the second control circuit board 4 is arranged in the housing 3, the second wireless communication module can be matched with the first wireless communication module for communication connection, and the communication between the second control circuit board 4 and the first control circuit board 1 can be realized through the communication between the first wireless communication module and the second wireless communication module.

In order to facilitate the installation of the device, the housing 3 in this embodiment includes a bottom plate 31, a side wall ring 32 fastened to the periphery of the bottom plate 31, and a top plate 33 covering the side wall ring 32, wherein the bottom plate 31, the side wall ring 32, and the top plate 33 enclose the space of the housing 3. The edge of the second control circuit board 4 is fixed to the inner wall surface of the sidewall ring 32. The display screen 9 can be arranged above the second control circuit board 4, and the position on the top plate 33 corresponding to the display screen 9 is arranged to be made of transparent material so as to conveniently observe the content displayed on the display, thus the sealing performance outside the knob body 200 can be ensured. The display screen 9 may be embedded in the top plate 33. The key 10 may be embedded in the housing, and a soft portion capable of pressing the key 10 is correspondingly disposed on the top plate 33, or the key 10 may be embedded in the top plate 33 and flush with the upper surface of the top plate 33.

The center of the bottom plate 31 is provided with a groove, the second magnet 7 is arranged in the groove, and the positioning of the second magnet 7 is further realized, and the positioning of the second magnet 7 is positioned below the second control circuit board 4. When the knob body 200 is placed on the panel 300 and located on the electrical component 100, the second magnet 7 can attract the first magnet 6 in the electrical component 100 to fix the knob body 200 on the panel 300.

Temperature probe 5 sets up in one side of second magnet 7, in addition for guaranteeing the good detection effect of temperature probe 5, offers the trompil that can hold temperature probe 5 on bottom plate 31, and the lower surface of temperature probe 5 flushes with the lower surface of this bottom plate 31 mutually, and then makes things convenient for placing of knob body 200. The temperature probe 5 is provided with a metal part which can work in cooperation with the capacitor part 2 in the electrical component 100, and the arrangement position of the temperature probe 5 is matched with the capacitor part 2, namely, the rotation path of the temperature probe 5 in the rotation process of the knob body 200 can be matched with the distribution position of the capacitor part 2. The detection capacitance value of the capacitance member 2 is changed according to the interaction between the temperature probe 5 and each capacitance member 2, so as to judge the rotation direction and the rotation angle of the knob body 200, and further transmit the detected capacitance data to the first control circuit board 1, and the first control circuit board 1 calculates and acquires the corresponding fire control signal.

In order to facilitate the installation of the temperature probe 5 in the housing, the inner side wall of the side wall ring 32 is provided with an installation seat 30 extending inwards, the temperature probe 5 is installed on the installation seat 30, and both the side wall ring 32 and the installation seat 30 in this embodiment are made of metal. So this metalwork can realize the electricity effect of connecting with temperature probe 5, increases the metal volume of temperature sugar lotus root, improves and the electric capacity piece 2 between the sensitivity that the cooperation detected, more accurate to the detection of the rotation direction and the turned angle of knob body 200.

The working method of the knob device comprises the following steps: the use mode of the knob body 200 can be selected by operating the key 10, when the knob body 200 is independently used as a thermometer, the knob body 200 can be placed at a temperature measuring position, a temperature probe 5 is further used for acquiring a temperature signal and transmitting the temperature signal to the second control circuit board 4, and the second control circuit board 4 converts the acquired temperature signal into a number and displays the number on the display screen 9. Meanwhile, the second control circuit board 4 transmits the temperature data to the first control circuit board 1 through the communication connection between the second wireless communication module and the first wireless communication module, so that the first control circuit can directly realize the firepower control in the cooker, or further transmits the temperature data to a controller for controlling firepower in the cooker, and further realizes the firepower control.

When the knob body 200 is used in cooperation with the electrical component 100, the temperature probe 5 rotates along with the rotation of the knob body 200, and then the capacitance of each capacitance member 2 changes, and then the capacitance members 2 transmit capacitance change data to the first control circuit board 13, the first control circuit board 13 calculates and obtains the rotation direction and rotation angle of the knob body 200, and transmits the data to the second control circuit board 4 through the communication module, and the second control circuit board 4 calculates corresponding adjustment control data, so as to realize control.

In the implementation, the knob device is applied and explained in several application scenes of the kitchen range so as to show the convenience of application. The knob body 200 can be taken up to be close to a cooking utensil for detecting the cooking temperature, after the temperature measurement of the knob body 200 is completed, the knob body 200 is put back to the position on the stove surface corresponding to the upper part of the electric component 100 within 5 seconds, and the knob body 200 sends the detected temperature to the first control circuit board 1. When the temperature is detected to reach the first preset temperature of about 290 ℃, the temperature in the pot is judged to be overhigh, the limiting knob body 200 can be adjusted to the highest gear within a period of time, so as to avoid the danger caused by overhigh temperature, and if the control can be carried out in a mode of not responding to the rotation signal of the knob body 200. When the temperature is detected to reach the second preset temperature 2 of about 200 ℃, the situation that the user is in frying cooking is judged, and the automatic entering of an oil temperature control program can be controlled to maintain the oil temperature, so that the oil temperature in the pot is prevented from being too high or too low. Therefore, better cooking experience is brought to the user, and great convenience is brought to the user.

Claims

1. A knob device comprising an electric component (100) disposed below a face plate (300), and a knob body (200) capable of being disposed above the face plate (300) in correspondence with the electric component (100), characterized in that: the electric assembly (100) comprises a first control circuit board (1) and at least two capacitance pieces (2) arranged on the first control circuit board (1) along the circumferential direction, wherein each capacitance piece (2) is electrically connected with the first control circuit board (1);

the knob body (200) comprises a shell (3), a second control circuit board (4) and a temperature probe (5), wherein the second control circuit board (4) and the temperature probe (5) are arranged in the shell (3), and the temperature probe (5) is arranged corresponding to the capacitor piece (2) and is electrically connected with the second control circuit board (4).

2. The knob device according to claim 1, wherein: the electric component (100) further comprises a first wireless communication module electrically connected with the first control circuit board (1), a second wireless communication module electrically connected with the second control circuit board (4) is arranged in the shell (3), and the second wireless communication module is in wireless communication connection with the first wireless communication module.

3. The knob device according to claim 1, wherein: the electrical assembly (100) further comprises a fixedly arranged first magnet (6);

the center of the knob body (200) is provided with a second magnet (7) which can be attracted with the first magnet (6), and the temperature probe (5) is arranged on one side of the second magnet (7).

4. The knob device according to claim 3, wherein: the first control circuit board (1) is fixedly connected below the panel (300), a gap is formed between the first control circuit board (1) and the panel (300), and the capacitor element (2) and the first magnet (6) are fixed on the upper surface of the control circuit board;

the gap is internally provided with a limiting piece (8), the limiting piece (8) is supported and arranged on the first control circuit board (1), the lower surface of the limiting piece (8) is provided with a first limiting groove (81) used for limiting the first magnet (6) and a second limiting groove (82) used for limiting the capacitor piece (2), and the second limiting groove (82) is arranged outside the first limiting groove (81) along the circumferential direction.

5. The knob device according to any one of claims 1 to 4, wherein: the knob body (200) further comprises a display screen (9) which is arranged on the shell (3) and is electrically connected with the second control circuit board (4).

6. The knob device according to any one of claims 1 to 4, wherein: the knob body (200) further comprises a key (10) which is arranged on the shell (3) and is electrically connected with the second control circuit board (4).

7. The knob device according to any one of claims 1 to 4, wherein: the shell (3) is a metal shell, a metal mounting seat (30) is arranged on the inner side wall of the shell (3) in an inward extending mode, and the temperature probe (5) is arranged on the mounting seat (30).

8. The knob device according to claim 7, wherein: the temperature probe (5) is embedded in the bottom plate of the shell (3) and is flush with the bottom plate of the shell (3).

9. The knob device according to any one of claims 1 to 4, wherein: the temperature probe (5) is an infrared probe.

10. A cooking utensil, its characterized in that: comprising a cooktop panel (300), further comprising a knob arrangement according to claims 1 to 9.