CN111489908B - Intelligent knob module of gas stove - Google Patents
Intelligent knob module of gas stove Download PDFInfo
- Publication number
- CN111489908B CN111489908B CN201910072332.3A CN201910072332A CN111489908B CN 111489908 B CN111489908 B CN 111489908B CN 201910072332 A CN201910072332 A CN 201910072332A CN 111489908 B CN111489908 B CN 111489908B
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- China
- Prior art keywords
- knob
- key
- encoder
- circuit board
- steering knuckle
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
- H01H25/065—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement using separate operating parts, e.g. a push button surrounded by a rotating knob
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention provides an intelligent knob module of a gas stove, which comprises a knob cap, a coupler, a coder and an electric control box, wherein the knob cap is provided with a knob hole; the encoder is arranged in the electric control box, the knob cap is arranged above the electric control box, at least part of the knob cap extends into the electric control box, and the coupler is connected with the knob cap and the encoder. The intelligent knob module of the gas stove is friendly to interaction, good in waterproof effect and safe and reliable in operation and control.
Description
Technical Field
The invention relates to the technical field of gas stove equipment, in particular to an intelligent knob module of a gas stove.
Background
The existing gas stove switches mainly comprise the following four types: the device comprises a mechanical knob switch, a separable magnetic rotation control module, a touch control panel and a non-contact control module; however, the four gas range switches described above have the following drawbacks:
1. the mechanical knob switch is simple in man-machine interaction mode, single in control function and poor in user experience, is not waterproof, and is prone to causing the condition that a control system fails due to splashing or oil smoke pollution on a circuit board.
2. The control technology of the separable rotary control module is complex to realize, the requirement on working conditions is high, the technology is not mature at present, the control reliability needs to be further improved, the popularization rate of commercial application is low, and the design and manufacturing cost is high.
3. The touch control panel has the problem of failure after water spraying or wet hand control.
4. The control module cost of the non-contact control module is high, and the control precision and the sensitivity are not guaranteed.
Disclosure of Invention
The invention provides the intelligent knob module of the gas stove, which is friendly in interaction, good in waterproof effect and safe and reliable in operation and control.
The technical scheme adopted by the invention is as follows: the utility model provides a gas-cooker intelligence knob module which characterized in that includes: the rotary knob cap, the coupling, the encoder and the electric control box;
the electric control box comprises an upper shell, a lower shell and a circuit board; the lower shell is detachably connected with the upper shell, and the lower shell and the upper shell are enclosed to form an accommodating cavity; the encoder and the circuit board are both positioned in the accommodating cavity;
the circuit board is internally provided with an MCU module, the bottom of the encoder is inserted into the circuit board, the bottom of the knob cap downwardly protrudes to form a connecting rod, at least part of the connecting rod extends into the accommodating cavity, the upper end of the coupler is inserted into the connecting rod, a key support is sleeved outside the connecting rod, a support frame is convexly arranged on the lower shell, the lower end of the key support is provided with a steering knuckle, and the steering knuckle penetrates through the key support to abut against the support frame;
a key bridge is clamped between the key support and the circuit board, a conductive base is arranged at the position of the circuit board corresponding to the key bridge, and the conductive base is abutted against the key bridge; the upper end of the encoder penetrates through the steering knuckle, a knob joint is arranged at the top of the encoder, and the knob joint is connected with the lower end of the coupler.
Furthermore, the lower extreme of shaft coupling is equipped with the spread groove, the upper end of knob joint stretches into the spread groove.
Furthermore, the key support and the steering knuckle are matched through a shaft hole to form a pair of revolute pairs, and the steering knuckle and the support frame are matched through the shaft hole to form another pair of revolute pairs, so that the key support, the steering knuckle and the support frame are matched through two pairs of revolute pairs to form a cross steering knuckle mechanism.
Further, the coupler and the knob joint form a pair of spherical kinematic pairs.
Further, the coupling overcoat is equipped with the sealing washer, the sealing washer with the inner wall butt of button support
Furthermore, the upper shell is convexly provided with a connecting part, and the periphery of the connecting part is connected with a locking decoration part.
Furthermore, the connecting part is communicated with the accommodating cavity, and the key support, the coupler and the connecting rod are accommodated in the connecting part.
Further, a sealing gasket is mounted at the bottom of the locking decoration piece.
Furthermore, the upper end sleeve of the key support is provided with a sealing element, and the outer periphery of the sealing element is fixed on the inner wall of the connecting part.
Further, the outer periphery of the sealing element is fixed with the inner wall of the connecting part through a clamping ring.
Compared with the prior art, the intelligent knob module of the gas stove is characterized in that the steering knuckle is arranged at the lower end of the inner wall of the key support and penetrates through the key support to be abutted against the support frame; a key bridge is clamped between the key support and the circuit board, and a conductive base is arranged at the position of the circuit board corresponding to the key bridge and is abutted against the key bridge; the upper end of the encoder penetrates through the steering knuckle, and a knob joint is arranged at the top of the encoder; the lower end of the coupling is connected with the knob joint. When the knob cap drives the coupler to rotate radially and spherically around the contact point of the spherical kinematic pair, the key support is driven to rotate in a small thread mode, the key bridge is pressed, the conductive base is triggered to be in short circuit with a circuit on the circuit board, an electric signal is sent to the MCU module, and the function of pulling or pressing in the up-down direction, the left-right direction and the central pressing function are achieved; when the rotary knob cap drives the coupler to rotate, the coupler drives the knob joint to rotate around the axis of the knob, the potential of the encoder changes in the rotating process of the knob joint, different electric signals are generated and sent to the MCU module, the function of rotary control is achieved, and the rotary knob cap is interactive and friendly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings, there is shown in the drawings,
FIG. 1: the invention relates to a sectional view of an intelligent knob module of a gas stove;
FIG. 2: the invention relates to a three-dimensional exploded view of an intelligent knob module of a gas stove;
FIG. 3: the invention relates to a circuit schematic diagram of an MCU module;
FIG. 4: the invention relates to a circuit schematic diagram of the communication between an MCU module and an external main control circuit;
FIG. 5: a schematic circuit diagram of an encoder of the present invention;
FIG. 6: the invention relates to a circuit schematic diagram of a key bridge.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1 and 2, the intelligent knob module of the gas stove of the invention comprises a knob cap 1, a coupling 2, an encoder 3 and an electric control box 4; wherein, encoder 3 is installed in automatically controlled box 4, and knob cap 1 is installed in the top of automatically controlled box 4, and at least part stretches into in automatically controlled box 4, and shaft coupling 2 connects knob cap 1 and encoder 3.
As shown in fig. 1 to 3, the electronic control box 4 includes an upper case 40, a lower case 41, and a circuit board 5; wherein, inferior valve 41 can dismantle with epitheca 40 and be connected, like: snap-fit or threaded connection. The circuit board 5 is installed in the lower shell 41 through a plurality of screws, and the lower shell 41 and the upper shell 40 are enclosed to form an accommodating cavity 401; the encoder 3 and the circuit board 5 are located in the accommodating chamber 401. Further, the bottom of the encoder 3 is inserted into the circuit board 5, so that the encoder 3 is electrically connected with the circuit board 5, and the circuit board 5 is internally provided with an MCU module. When the encoder 3 outputs a group of orthogonal square waves to the MCU module during clockwise or counterclockwise rotation, the MCU module judges whether the signals are clockwise or counterclockwise signals by identifying the phase difference of the waveforms, and then the MCU module sends the signals to an external main control circuit. In addition, the MCU module is reserved with lighting effects, so that different operations are accompanied with different lighting effects, and the experience effect of a user is improved.
The bottom of the knob cap 1 protrudes downwards to form a connecting rod 101, at least part of the connecting rod 101 extends into the accommodating cavity 401, and the upper end of the coupler 2 is inserted into the connecting rod 101, so that the coupler 2 is mechanically connected with the knob cap 1. Further, connecting rod 101 overcoat is equipped with key- press support 6, and 2 overcoat of shaft coupling is equipped with sealing washer 7, and sealing washer 7 and key-press support 6's inner wall butt seal the clearance between knob cap 1 and the key-press support 6, play fine waterproof effect, make simultaneously the perpendicular press motion and the rotary motion of knob cap 1 can normally be implemented and not interfered. In this embodiment, the sealing ring 7 is a felt, and it can be understood that in other embodiments, the sealing ring 7 may also be a rubber ring or a silicone ring, which is not limited thereto.
Furthermore, the lower shell 41 is convexly provided with a support frame 8, the lower end of the key support 6 is provided with a steering knuckle 9, and the steering knuckle 9 penetrates through the key support 6 to be abutted against the support frame 8. A key bridge 10 is clamped between the key support 6 and the circuit board 5, a conductive base 11 is arranged at the position of the circuit board 5 corresponding to the key bridge 10, and the conductive base 11 is abutted to the key bridge 10. In this embodiment, the number of the key bridges 10 is four, and the four key bridges are uniformly distributed between the key support 6 and the circuit board 5; the conductive base 11 is made of conductive metal or conductive liquid, and the number of the key bridges 10 may be set according to the actual production requirement, but is not limited thereto. The upper end of the encoder 3 penetrates through the steering knuckle 9, and the top of the encoder 3 is provided with a knob joint 12; the lower extreme of shaft coupling 2 is equipped with spread groove 201, and spread groove 201 is gone into to the upper end card of knob joint 12, realizes shaft coupling 2 and encoder 3's electric connection.
Specifically, the key support 6 and the knuckle 9 are matched through shaft holes to form a pair of revolute pairs, and the knuckle 9 and the support frame 8 are matched through shaft holes to form another pair of revolute pairs, so that the key support 6, the knuckle 9 and the support frame 8 are matched through two pairs of revolute pairs to form a cross knuckle mechanism; the coupler 2 and the knob joint 12 form a pair of high-freedom spherical kinematic pairs.
The shaft coupling 2 is driven to rotate radially and spherically around the contact point of the spherical kinematic pair through the knob cap 1, so that the key support 6 is driven to rotate around a small thread of the axis of the cross steering knuckle, the key bridge 10 is pressed, the conductive base 11 and the circuit on the circuit board 5 are triggered to be in short circuit, an electric signal is sent to the MCU module, the MCU module sends the electric signal to an external main control circuit, and the functions of pulling or pressing in the up-down direction, the left-right direction and the central pressing function are realized, and the interactive environment-friendly effect is achieved.
The rotary knob cap 1 is rotated to drive the coupler 2, the coupler 2 drives the knob joint 12 to rotate around the axis of the knob, the encoder 3 is used for generating different electric signals to be sent to the MCU module in the rotating process of the knob joint 12 due to the fact that the potential changes, the MCU module sends the electric signals to an external main control circuit, the function of rotary control is achieved, and the rotary knob cap is interactive and friendly.
In this embodiment, the encoder 3 is a rotary position encoder 3, and in other embodiments, a hall switch, an optical coupler, or a programmable non-contact potentiometer may be used to replace the encoder 3 in this embodiment, which is not limited thereto.
Furthermore, a connecting portion 402 is convexly arranged on the upper shell 40, the connecting portion 402 is communicated with the accommodating cavity 401, the key support 6, the coupler 2 and the connecting rod 101 are accommodated in the connecting portion 402, and the locking decoration 13 is connected to the periphery of the connecting portion 402. The method specifically comprises the following steps: the periphery wall of connecting portion 402 is equipped with external screw thread structure 403, and locking decoration 13 is equipped with internal thread structure 130, and external screw thread structure 403 and internal thread structure 130 spiro union, the gas-cooker panel clamp is between locking decoration 13 and epitheca 40 to install whole gas-cooker intelligence knob module on the gas-cooker panel. Moreover, the locking decoration piece 13 also plays a role of decoration, so that the intelligent control knob of the gas stove is beautiful in appearance. In addition, the bottom of the locking decoration 13 is provided with a sealing gasket 14, and the internal thread of the locking decoration 13 is matched with the external thread of the connecting part 402 to apply pressure to the sealing gasket 14, so that the tightness and the water resistance are realized, and the water on the panel of the gas stove is effectively prevented from entering the lower part of the panel of the gas stove.
The upper end of the key support 6 is sleeved with a sealing element 15, and the outer periphery of the sealing element 15 is fixed with the inner wall of the connecting part 402 through a snap ring 16; the gap between the key support 6 and the upper shell 40 is sealed, so that external water or oil stains are prevented from entering the accommodating cavity 401, and the overall waterproof effect is improved. In this embodiment, sealing member 15 is the rubber packing cup, because the rubber packing cup has great extension surplus for knob cap 1 can not be torn by the tractive and lose water-proof effects when upper and lower, left and right sides quadriversal is pulled. Besides, a connector 17 is mounted on the circuit board 5 for connecting with an external main control circuit.
As shown in fig. 1, 4 to 6, the operation principle of the intelligent knob module for gas cookers of the present invention is as follows:
the knob cap 1 is operated in the up-down direction, the left-right direction and the radial spherical rotation of the coupler 2 around the contact point of the spherical kinematic pair are realized, so that the key support 6 is driven to rotate around the axis of the cross knuckle in a small thread mode, the key bridge 10 is pressed, the conductive base 11 is triggered to be in short circuit with a circuit on the circuit board 5 and is sent to different instructions of the MCU module, the MCU module reads related numerical values and then performs mathematical operation to calculate the operation states of the knob cap 1 and the coupler 2, and therefore the four-way pulling or pressing function and the central pressing function are realized; or the shaft coupling 2 is driven to rotate by rotating the knob cap 1, the knob joint 12 is driven to rotate around the axis of the knob by the shaft coupling 2, the potential of the encoder 3 changes in the rotating process of the knob joint 12, different electric signals are generated, and an instruction is sent to the MCU module, so that the rotating operation is realized.
In conclusion, the intelligent knob module for the gas stove has the following advantages:
1. the steering knuckle 9 is arranged at the lower end of the key support 6, so that the key support 6 is matched with the steering knuckle 9 to form a pair of rotating pairs; the steering knuckle 9 penetrates through the key support 6 to be abutted against the support frame 8, so that the steering knuckle 9 and the support frame 8 are matched to form another pair of rotating pairs, and the key support 6, the steering knuckle 9 and the support frame 8 are matched to form a cross steering knuckle mechanism through two pairs of rotating pairs; a key bridge 10 is clamped between the key support 6 and the circuit board 5, a conductive base 11 is arranged at the position of the circuit board 5 corresponding to the key bridge 10, and the conductive base 11 is abutted against the key bridge 10. When the knob cap 1 drives the coupler 2 to rotate radially and spherically around the contact point of the spherical kinematic pair, the key support 6 is driven to rotate around the small thread of the axis of the cross steering knuckle, the key bridge 10 is pressed, the conductive base 11 is triggered to be in short circuit with a circuit on the circuit board 5, an electric signal is sent, the functions of pulling or pressing in the up-down direction, the left-right direction and the central pressing are achieved, and the interactive effect is good.
2. The upper end of the encoder 3 is arranged to penetrate through the steering knuckle 9, and the top of the encoder 3 is provided with a knob joint 12; the lower extreme of shaft coupling 2 sets up spread groove 201, and spread groove 201 is gone into to the upper end card of knob joint 12. When the rotary knob cap 1 is rotated to drive the coupler 2 to rotate, the coupler 2 drives the rotary knob joint 12 to rotate around the axis of the rotary knob, and the electric potential of the encoder 3 changes in the rotating process of the rotary knob joint 12 to generate different electric signals, so that the function of rotary control is realized, and the interaction is friendly.
3. The sealing element 15 is sleeved at the upper end of the key support 6, the outer edge of the sealing element 15 is clamped on the inner wall of the connecting part 402 by the clamping ring 16, and a gap communicated between the key support 6 and the upper shell 40 is sealed, so that external water or oil stains are prevented from entering the accommodating cavity 401, and the overall waterproof effect is improved; meanwhile, the sealing element 15 has a large extension allowance, so that the waterproof effect cannot be lost by pulling and tearing when the knob cap 1 is pulled in four directions, namely up and down and left and right.
Any combination of the various embodiments of the present invention should be considered as disclosed in the present invention, unless the inventive concept is contrary to the present invention; within the scope of the technical idea of the invention, any combination of various simple modifications and different embodiments of the technical solution without departing from the inventive idea of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a gas-cooker intelligence knob module which characterized in that includes: the rotary knob comprises a rotary knob cap (1), a coupler (2), an encoder (3) and an electric control box (4);
the electric control box (4) comprises an upper shell (40), a lower shell (41) and a circuit board (5); the lower shell (41) is detachably connected with the upper shell (40), and the lower shell (41) and the upper shell (40) enclose to form an accommodating cavity (401); the encoder (3) and the circuit board (5) are both positioned in the accommodating cavity (401);
the circuit board (5) is internally provided with an MCU module, the bottom of the encoder (3) is inserted into the circuit board (5), the bottom of the knob cap (1) downwardly protrudes to form a connecting rod (101), at least part of the connecting rod (101) extends into the accommodating cavity (401), the upper end of the coupler (2) is inserted into the connecting rod (101), the connecting rod (101) is externally sleeved with a key support (6), the lower shell (41) is convexly provided with a support frame (8), the lower end of the key support (6) is provided with a steering knuckle (9), and the steering knuckle (9) penetrates through the key support (6) to be abutted against the support frame (8); the key support (6) and the steering knuckle (9) are matched through shaft holes to form a pair of rotating pairs, the steering knuckle (9) and the support frame (8) are matched through shaft holes to form another pair of rotating pairs, and the key support (6), the steering knuckle (9) and the support frame (8) are matched through the two pairs of rotating pairs to form a cross steering knuckle mechanism;
a key bridge (10) is clamped between the key support (6) and the circuit board (5), a conductive base (11) is arranged at the position, corresponding to the key bridge (10), of the circuit board (5), and the conductive base (11) is abutted to the key bridge (10); the upper end of the encoder (3) penetrates through the steering knuckle (9), and a knob joint (12) is arranged at the top of the encoder (3); the lower extreme of shaft coupling (2) is equipped with spread groove (201), the upper end of knob joint (12) stretches into spread groove (201), shaft coupling (2) with knob joint (12) form a pair of spherical kinematic pair.
2. The gas range intelligent knob module according to claim 1, wherein: and a sealing ring (7) is sleeved outside the coupler (2), and the sealing ring (7) is abutted to the inner wall of the key support (6).
3. The gas range intelligent knob module according to claim 1, wherein: the upper shell (40) is convexly provided with a connecting part (402), and the periphery of the connecting part (402) is connected with a locking decoration part (13).
4. The gas range intelligent knob module according to claim 3, wherein: the connecting portion (402) is communicated with the accommodating cavity (401), and the key support (6), the coupler (2) and the connecting rod (101) are partially accommodated in the connecting portion (402).
5. The gas range intelligent knob module according to claim 4, wherein: and a sealing gasket (14) is arranged at the bottom of the locking decoration piece (13).
6. The gas range intelligent knob module according to claim 4, wherein: the upper end cover of key-press support (6) is equipped with sealing member (15), the outer peripheral edges of sealing member (15) are fixed in the inner wall of connecting portion (402).
7. The gas range intelligent knob module according to claim 6, wherein: the outer periphery of the sealing member (15) is fixed to the inner wall of the connecting portion (402) by a snap ring (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910072332.3A CN111489908B (en) | 2019-01-25 | 2019-01-25 | Intelligent knob module of gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910072332.3A CN111489908B (en) | 2019-01-25 | 2019-01-25 | Intelligent knob module of gas stove |
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| Publication Number | Publication Date |
|---|---|
| CN111489908A CN111489908A (en) | 2020-08-04 |
| CN111489908B true CN111489908B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910072332.3A Active CN111489908B (en) | 2019-01-25 | 2019-01-25 | Intelligent knob module of gas stove |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111489908A (en) | 2020-08-04 |
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