CN110647283B - Touch panel, touch panel cleaning locking judgment method and range hood - Google Patents

Touch panel, touch panel cleaning locking judgment method and range hood Download PDF

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Publication number
CN110647283B
CN110647283B CN201910893909.7A CN201910893909A CN110647283B CN 110647283 B CN110647283 B CN 110647283B CN 201910893909 A CN201910893909 A CN 201910893909A CN 110647283 B CN110647283 B CN 110647283B
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Prior art keywords
range hood
touch
controller
functional unit
locking
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CN110647283A (en
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徐新建
袁金伟
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Zhejiang Shuaikang Electric Stock Co Ltd
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Zhejiang Shuaikang Electric Stock Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0414Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ventilation (AREA)

Abstract

A touch panel comprises a touch panel and at least one touch key arranged on the touch panel, and further comprises a controller, wherein the touch key is connected with the controller, a range hood function unit is connected with the touch key through the controller, one touch key can send a locking/unlocking signal to the controller, and the controller receives the locking/unlocking signal and controls the range hood function unit to be invalid/effective according to the locking/unlocking signal; the range hood functional unit can also execute a functional instruction from one of the touch keys. Compared with the prior art, the invention has the following advantages: the locking/unlocking function is combined on the functional touch key, the touch key only having a single locking/unlocking function does not need to be independently arranged, the intelligent degree is higher, and the function unit of the range hood cannot be frequently triggered when a user cleans the touch panel.

Description

Touch panel, touch panel cleaning locking judgment method and range hood
Technical Field
The invention relates to the field of touch control of range hoods, in particular to a touch panel, a touch panel cleaning locking judgment method and a range hood,
background
With the continuous improvement of living standard, people pay more and more attention to health problems, and the range hood has gone into thousands of households as a kitchen appliance for purifying and discharging smoke and updating indoor air. However, although the range hood on the market has a large suction force and can discharge a large amount of oil smoke outdoors, the range hood still easily leaves a lot of oil stains and oil stains on the touch panel of the range hood after long-term accumulation. When a user cleans grease on the touch panel, the user is easy to accidentally trigger the range hood functional unit (such as the operation of a fan system and the illumination of an illumination system) due to touch, extrusion and other error actions, so that the fan or the lamp is frequently started, and troubles are caused. Therefore, it is urgently needed to develop a range hood with a locking function to prevent frequent starting work of a functional unit of the range hood caused by misoperation.
For example, a Chinese utility model patent with an authorization publication number of CN208794462U and entitled cooking utensils discloses a cooking utensil which comprises a cooking utensil body and a cooking utensil functional unit; the master control switch is used for generating an unlocking signal or a locking signal according to a user trigger instruction and is arranged on the stove body; and the controller is respectively connected with the master control switch and the cooker functional unit and is used for outputting an opening instruction to the cooker functional unit when the unlocking signal is detected or outputting a closing instruction to the cooker functional unit when the locking signal is detected. The technical scheme of the utility model have following not enough: the master control switch can only generate an unlocking signal or a locking signal, and cannot be combined with the functional keys, so that the intelligent degree is low.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a touch panel cleaning and locking method which combines the locking/unlocking function to a functional touch key, does not need to separately set a touch key only having a single locking/unlocking function, has a touch panel with higher intelligent degree, and ensures that a user cannot frequently trigger a functional unit of a range hood when cleaning the touch panel, and the range hood.
The invention mainly adopts the following technical scheme:
a touch panel comprises a touch panel and at least one touch key arranged on the touch panel, and further comprises a controller, wherein the touch key is connected with the controller, a range hood function unit is connected with the touch key through the controller, one touch key can send a locking/unlocking signal to the controller, and the controller receives the locking/unlocking signal and controls the range hood function unit to be invalid/effective according to the locking/unlocking signal; the range hood functional unit can also execute a functional instruction from one of the touch keys.
And when the range hood functional unit is in a failure/effective state, the range hood functional unit does not execute/execute the functional instruction from the touch key.
The controller is integrated on the touch panel, the touch keys are connected with the controller through circuits on the printed circuit board, and the controller is connected with the range hood functional unit through a control circuit.
The touch key comprises a touch chip, and the touch chip is welded on the printed circuit board through a spring.
The range hood comprises a range hood functional unit, and is characterized by further comprising a display, wherein the display is arranged on the touch panel and used for displaying the state of the range hood functional unit.
A touch panel cleaning locking judgment method uses the touch panel.
The touch panel is provided with at least two touch keys, the touch keys respectively generate signals corresponding to the touch keys after receiving touch from a user, the controller judges whether misoperation exists according to the time difference of the signals corresponding to the touch keys, if the time difference of the signals does not exceed a preset time threshold value, the misoperation is judged, and the controller controls the range hood functional unit to be in a failure state; and if the signal time difference exceeds a preset time threshold, judging that the operation is valid, and receiving a signal sent by the touch key by the controller and executing an instruction corresponding to the signal.
After a user inputs a locking/unlocking instruction to the touch key which can send a locking/unlocking signal, the touch key sends the locking/unlocking signal to the controller, and the controller controls the range hood functional unit to be in an invalid/effective state according to the locking/unlocking signal.
And when the range hood functional unit is in a failure/effective state, the range hood functional unit does not execute/execute the functional instruction from the touch key.
When the touch panel is used for cleaning, the functional unit of the range hood is in a failure state by adopting the touch panel cleaning locking judgment method.
The range hood functional unit comprises a fan system and a lighting system, the fan system comprises a rotating speed control unit and a fan, the lighting system comprises a lighting control unit and a lamp, and the rotating speed control unit and the lighting control unit are connected with the controller.
According to the technical scheme of the invention, the method has the following beneficial effects: the touch keys can execute functional instructions, one of the touch keys can also send a locking/unlocking signal to the controller, the controller controls the functional units of the range hood to be invalid/effective according to the locking/unlocking signal of the touch keys, and the locking/unlocking function is combined on the functional touch keys without independently arranging the touch keys with only a single locking/unlocking function, so that the layout design of the touch keys on the touch panel is more reasonable, and the intelligent degree of the touch panel is higher; when a user cleans the touch panel, the functional unit of the range hood is easily and frequently triggered, and the touch panel can be effectively ensured to be in a locking state (the functional unit of the range hood is invalid) in the cleaning process by adopting a cleaning mode that the signal time difference does not exceed a preset time threshold.
Drawings
Fig. 1 is a schematic view of a touch panel structure according to the present invention.
Fig. 2 is a flow chart of a functional unit of a touch panel controlling a range hood according to the present invention.
FIG. 3 is a schematic view of a touch panel assembly structure according to the present invention
FIG. 4 is a block diagram illustrating a flow chart of a method for determining a cleaning lock of a touch panel according to the present invention.
Fig. 5 is a schematic structural diagram of the range hood of the invention.
1 touch panel, 10 touch keys, 11 touch panel and 12 displays.
Detailed Description
The invention will be further elucidated with reference to the drawings in which:
referring to fig. 1, a touch panel 1 includes a touch panel 11 and at least one touch key 10 disposed on the touch panel 11, and further includes a controller, where the touch key 10 is connected to the controller, a range hood function unit is connected to the touch key 10 through the controller, one of the touch keys 10 can send a lock/unlock signal to the controller, and the controller receives the lock/unlock signal and controls the range hood function unit to fail/be effective according to the lock/unlock signal; the range hood functional unit can also execute a functional instruction from one of the touch keys 10. Preferably, the functional instruction may be an instruction closely related to the operating state of the range hood functional unit, such as a fan operation instruction, a lighting lamp illumination instruction, and the like. Preferably, one of the touch keys can both lock/unlock the range hood functional unit through the controller and control the range hood functional unit to execute a function instruction input by a user from the touch key through the controller. The structural design can not separately set the 'main switch' with only a single locking/unlocking function, but the single 'main switch function' is combined on the touch keys for executing the functional instructions, so that the layout design of the touch keys on the touch panel is more reasonable, and the product intelligence degree is higher. Preferably, the touch panel 1 is wholly or partially disposed in the mounting box and is mounted on the panel of the range hood through a mounting hole on the mounting box. Preferably, the type of the touch key may be a touch type push switch, a touch screen switch, or the like.
Referring to fig. 2, when the range hood functional unit is in a disabled/valid state, the range hood functional unit does not execute/execute the function command from the touch key.
Referring to fig. 3, the controller is integrated on the touch panel 11, the touch keys 10 are connected with the controller through a circuit on the printed circuit board, and the controller is connected with the range hood functional unit through a control circuit.
Referring to fig. 3, the touch key 10 includes a touch chip soldered on a printed circuit board through a spring. Preferably, the touch key is a light touch type press switch.
Referring to fig. 1, the range hood further includes a display 12, the display 12 is disposed on the touch panel 11, and the display 12 is used for displaying a state of the range hood functional unit. Preferably, the display 12 can display the disabled/enabled state of the range hood functional unit, or the specific working state of the range hood functional unit in the enabled state, such as the running state of the fan, the lighting state of the lighting lamp, etc. Preferably, the display 10 may employ indicator lights, LED/LCD display screens, touch screens, or the like. Preferably, the display 12 is connected with a controller, and the controller can collect the state of the range hood functional unit and feed the state back to the display 12 for display.
A touch panel cleaning locking judgment method uses the touch panel 1.
Referring to fig. 4, at least two touch keys 10 are disposed on the touch panel 11, the touch keys 10 respectively generate a signal corresponding to each touch key 10 after receiving a touch from a user, the controller determines whether the signal is a false operation according to a time difference of the signal corresponding to each touch key 10, if the time difference of the signal does not exceed a preset time threshold, the controller determines that the false operation is performed, and the controller controls the range hood functional unit to be in a failure state; if the signal time difference exceeds the preset time threshold, the operation is determined to be valid, and the controller receives the signal sent by the touch key 10 and executes the instruction corresponding to the signal. Specifically, if the range hood functional unit is in a failure/valid state and a user has a misoperation, the controller controls the range hood functional unit to be in the failure state, for example, when the user cleans the touch panel 11, the time difference of the at least two touch keys 10 due to the careless scrubbing action is less than a predetermined time threshold, and preferably, the predetermined time threshold is set to 1 s. If the functional unit of the range hood is in a failure state and the user effectively operates, the controller controls the functional unit of the range hood to receive the unlocking signal sent by the touch key 10 to execute the unlocking instruction and then execute the functional instruction. If the range hood functional unit is in an effective state and the user performs effective operation, the controller controls the range hood functional unit to receive the functional signal sent by the touch key 10 and execute the functional instruction or receive the locking instruction to enable the range hood functional unit to be in an invalid state. Preferably, at least two touch keys 10 may have a touch key capable of sending a lock/unlock signal, or may not have a touch key capable of sending a lock/unlock signal.
Referring to fig. 2, after a user inputs a locking/unlocking instruction to the touch key 10 capable of sending a locking/unlocking signal, the touch key 10 sends the locking/unlocking signal to the controller, and the controller controls the range hood function unit to be in a disabled/valid state according to the locking/unlocking signal.
Referring to fig. 2, when the range hood functional unit is in a disabled/valid state, the range hood functional unit does not execute/execute the function command from the touch key 10.
A range hood uses the touch panel 1, and when the touch panel 11 is cleaned, the functional unit of the range hood is in a failure state by adopting the touch panel cleaning locking judgment method.
Referring to fig. 2, 4 and 5, the range hood function unit comprises a fan system and an illumination system, the fan system comprises a rotating speed control unit and a fan, the illumination system comprises an illumination control unit and a lamp, and the rotating speed control unit and the illumination control unit are connected with the controller.
Although the present invention has been described with reference to the above embodiments, it would be appreciated by those skilled in the art that changes may be made in this embodiment without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (7)

1. A touch panel comprises a touch panel and at least one touch key arranged on the touch panel, and is characterized in that: the range hood comprises a range hood functional unit, a controller and a control unit, wherein the range hood functional unit is connected with the controller through the controller, one touch key can send a locking/unlocking signal to the controller, and the controller receives the locking/unlocking signal and controls the range hood functional unit to be invalid/effective according to the locking/unlocking signal; the range hood function unit can also execute a function instruction from one of the touch keys, when the range hood function unit is in an invalid/effective state, the range hood function unit does not execute/execute the function instruction from the touch key, and the touch panel adopts the following touch panel cleaning and locking judgment method: the touch panel is provided with at least two touch keys, the touch keys respectively generate signals corresponding to each touch key after receiving touch from a user, the controller judges whether the misoperation is caused according to the time difference of the signals corresponding to each touch key, if the time difference of the signals does not exceed a preset time threshold value, the misoperation is judged, and the controller controls the range hood functional unit to be in a failure state; if the signal time difference exceeds a preset time threshold, effective operation is judged, the controller receives a signal sent by the touch keys and executes an instruction corresponding to the signal, no touch key capable of sending a locking/unlocking signal exists in at least two touch keys, after a user inputs the locking/unlocking instruction to the touch keys capable of sending the locking/unlocking signal, the touch keys send the locking/unlocking signal to the controller, the controller controls the range hood functional unit to be in an invalid/effective state according to the locking/unlocking signal, when the range hood functional unit is in the invalid/effective state, the range hood functional unit does not execute/execute the functional instruction from the touch keys, and if the range hood functional unit is in the invalid/effective state, if the user has misoperation, the controller controls the functional unit of the range hood to be in a failure state; if the functional unit of the range hood is in a failure state and effective operation occurs to a user, the controller controls the functional unit of the range hood to receive an unlocking signal sent by the touch key to execute an unlocking instruction and then can execute the functional instruction again; if the functional unit of the range hood is in an effective state and the user has effective operation, the controller controls the functional unit of the range hood to receive a functional signal sent by the touch key and execute the functional instruction or receive a locking instruction to enable the functional unit of the range hood to be in an invalid state; the controller is integrated on the touch panel, the touch keys are connected with the controller through circuits on the printed circuit board, and the controller is connected with the range hood functional unit through a control circuit; the touch key comprises a touch chip, and the touch chip is welded on the printed circuit board through a spring.
2. The touch panel of claim 1, wherein: still include the display, the display sets up on the touch panel, the display is used for showing lampblack absorber functional unit's state, the display with the controller is connected, the controller can collect lampblack absorber functional unit's state and feedback extremely the display shows.
3. A method for judging cleaning locking of a touch panel is characterized by comprising the following steps: the touch panel of claim 1 or 2 is adopted, at least two touch keys are arranged on the touch panel, the touch keys respectively generate signals corresponding to each touch key after receiving touch from a user, the controller judges whether the signals belong to misoperation according to the time difference of the signals corresponding to each touch key, if the time difference of the signals does not exceed a preset time threshold value, the controller judges the misoperation, and the controller controls the range hood functional unit to be in a failure state; and if the signal time difference exceeds a preset time threshold, judging that the operation is valid, and receiving a signal sent by the touch key by the controller and executing an instruction corresponding to the signal.
4. The method as claimed in claim 3, wherein the step of determining the cleaning locking of the touch panel comprises: after a user inputs a locking/unlocking instruction to the touch key which can send a locking/unlocking signal, the touch key sends the locking/unlocking signal to the controller, and the controller controls the range hood functional unit to be in an invalid/effective state according to the locking/unlocking signal.
5. The method as claimed in claim 4, wherein the step of determining the cleaning locking of the touch panel comprises: and when the functional unit of the range hood is in a failure/effective state, the functional unit of the range hood does not execute/execute the functional instruction from the touch key.
6. A range hood using the touch panel of claim 1 or 2, characterized in that: when the touch panel is cleaned, the functional unit of the range hood is in a failure state by adopting the touch panel cleaning locking judgment method as claimed in any one of claims 3 to 5.
7. The range hood according to claim 6, comprising said range hood functional unit, characterized in that: the range hood functional unit comprises a fan system and a lighting system, the fan system comprises a rotating speed control unit and a fan, the lighting system comprises a lighting control unit and a lamp, and the rotating speed control unit and the lighting control unit are connected with the controller.
CN201910893909.7A 2019-09-20 2019-09-20 Touch panel, touch panel cleaning locking judgment method and range hood Active CN110647283B (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7272295B2 (en) * 2020-01-31 2023-05-12 トヨタ自動車株式会社 vehicle
CN112115439A (en) * 2020-09-21 2020-12-22 珠海格力电器股份有限公司 Safety protection control method and device based on cooking equipment and cooking equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204178370U (en) * 2014-09-16 2015-02-25 闻泰通讯股份有限公司 The mobile terminal of the quick screen locking of energy
CN204517795U (en) * 2015-03-25 2015-07-29 擎宏电子企业有限公司 Have the composite push-button of page up and homepage function concurrently
CN106095282A (en) * 2016-05-31 2016-11-09 珠海市魅族科技有限公司 The touch operation method of key device, key device and terminal
CN109945246A (en) * 2017-12-20 2019-06-28 佛山市顺德区美的电热电器制造有限公司 Electric cooking device, the anti-error triggering method of electric cooking device and device
CN210568753U (en) * 2019-09-20 2020-05-19 浙江帅康电气股份有限公司 Touch panel assembly and range hood

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051548A (en) * 1975-08-14 1977-09-27 Tokao Murata Electric locking device
CN103076922B (en) * 2013-01-09 2017-01-18 浙江吉利汽车研究院有限公司杭州分公司 Touch central control panel for automobile
CN106201292A (en) * 2015-04-29 2016-12-07 小米科技有限责任公司 Terminal false-touch prevention method and apparatus
CN104852719A (en) * 2015-04-30 2015-08-19 浙江帅康电气股份有限公司 Light-operated touching-type keying operation-based range hood

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204178370U (en) * 2014-09-16 2015-02-25 闻泰通讯股份有限公司 The mobile terminal of the quick screen locking of energy
CN204517795U (en) * 2015-03-25 2015-07-29 擎宏电子企业有限公司 Have the composite push-button of page up and homepage function concurrently
CN106095282A (en) * 2016-05-31 2016-11-09 珠海市魅族科技有限公司 The touch operation method of key device, key device and terminal
CN109945246A (en) * 2017-12-20 2019-06-28 佛山市顺德区美的电热电器制造有限公司 Electric cooking device, the anti-error triggering method of electric cooking device and device
CN210568753U (en) * 2019-09-20 2020-05-19 浙江帅康电气股份有限公司 Touch panel assembly and range hood

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