CN110822515A - Anti-false touch panel, range hood and anti-touch method of touch panel - Google Patents
Anti-false touch panel, range hood and anti-touch method of touch panel Download PDFInfo
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- CN110822515A CN110822515A CN201911077182.1A CN201911077182A CN110822515A CN 110822515 A CN110822515 A CN 110822515A CN 201911077182 A CN201911077182 A CN 201911077182A CN 110822515 A CN110822515 A CN 110822515A
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- touch
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- touch panel
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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
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
Abstract
The invention relates to a false touch prevention touch panel, which comprises a panel and a touch key embedded in the panel, and is characterized in that: the touch key further comprises at least two brightness sensors embedded in the panel, and the brightness sensors are located on the periphery of the touch key. The invention relates to a range hood, which comprises a range hood body, a controller arranged in the range hood body and an anti-false touch panel arranged on the range hood body, wherein each brightness sensor and each touch key in the anti-false touch panel are electrically connected with the controller. The invention also relates to a touch panel touch prevention method, which is characterized in that: and after more than one brightness sensor detects the shielding signal, the touch key is controlled to be locked for a long time. The anti-false touch panel, the range hood and the anti-touch method of the touch panel can reduce the probability of false triggering in the wiping and cleaning process and greatly improve the cleaning convenience.
Description
Technical Field
The invention relates to an anti-false touch panel, a touch panel with the anti-false touch panel, and an anti-touch method of the touch panel.
Background
The touch type keys are mostly adopted in various electric appliances in the market, so that the electric appliance is convenient to operate and clean. However, due to the principle characteristics of the touch key, false triggering occurs, and the use experience of the user is greatly influenced.
Chinese invention patent No. CN15361707 (application No. 201410441525.9) entitled "electric cooking device and control method thereof", wherein the control method disclosed therein is to detect the capacitance value of the touch key in real time after the electric cooking device is powered on; calculating a difference value DF1 between the capacitance value of the touch key and the current value on the first change baseline of the touch key every time the first preset time is reached, and calculating a difference value DF2 between the current value on the first change baseline of the touch key and the current value on the second change baseline of the touch key, wherein the change rate of the first change baseline is greater than that of the second change baseline; judging whether the touch key is triggered by mistake according to the difference value DF1 and the difference value DF 2; if yes, the electric cooker is subjected to false triggering processing. The control method can prevent the touch key from being interfered by external factors and being triggered by mistake to cause the misoperation of the electric cooker, and meets the requirements of users. The method can prevent false triggering during normal operation, but in the using process, a user can wipe the touch panel, the retention time on the touch key is relatively long in the wiping process, and the condition that the touch key is triggered can be met.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a touch panel capable of preventing a user from mistakenly triggering during a cleaning process, aiming at the above prior art.
The second technical problem to be solved by the present invention is to provide a range hood capable of reducing the probability of false triggering during the wiping and cleaning process and greatly improving the convenience of cleaning, aiming at the above prior art.
A third technical problem to be solved by the present invention is to provide a touch panel touch prevention method for effectively determining whether a cleaning operation is performed, so as to avoid false triggering during the cleaning process.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides a prevent mistake and touch panel, includes the panel and inlays the touch key of establishing in the panel which characterized in that: the touch key further comprises at least two brightness sensors embedded in the panel, and the brightness sensors are located on the periphery of the touch key.
In order to reduce the influence on the detection signal of the brightness sensor when normal touch key operation is carried out, the diameter or the diameter of the circumscribed circle of the touch key is d, and the shortest distance b between the brightness sensor and each touch key is more than or equal to 3 d.
Preferably, the plurality of the brightness sensors are horizontally and uniformly arranged above and below the distribution area of the touch keys.
Preferably, the luminance sensors include an even number, and the luminance sensors located above the distribution area of the touch keys are aligned in a vertical direction with the luminance sensors located below the distribution area of the touch keys.
Preferably, the distance between two adjacent brightness sensors in the horizontal direction is c, 50mm ≦ c ≦ 100mm, and the distance between two brightness sensors in the vertical direction is a, 120mm ≦ a ≦ 200 mm.
The technical scheme adopted by the invention for solving the second technical problem is as follows: a range hood, its characterized in that: the anti-false-touch control system comprises a range hood body, a controller arranged in the range hood, and the anti-false-touch control panel as claimed in any one of claims 1 to 5 arranged on the range hood body, wherein each brightness sensor and each touch key in the anti-false-touch control panel are electrically connected with the controller.
Preferably, the false touch prevention touch panel is arranged on a front panel of the range hood body.
The technical scheme adopted by the invention for solving the third technical problem is as follows: a touch panel touch prevention method characterized by: the method comprises the following steps:
s1, acquiring detection signals of each brightness sensor;
s2, if the shading signal of the brightness sensor is not detected, responding to the trigger operation of the touch key;
when a shielding signal of a brightness sensor is detected, controlling the touch key to be locked for T seconds to prohibit triggering response, and returning to S1;
when the shielding signal of more than one brightness sensor is detected, controlling the touch key to be locked for T1 seconds to forbid triggering response, and returning to S1;
T1＞T。
alternatively, 0.3 ≦ T ≦ 1; t1 is more than or equal to 180 and less than or equal to 600.
In order to effectively perform abnormal alarm of the brightness sensor shielded by foreign matters and avoid the influence on the accuracy of the judgment result of whether the kitchen appliance is in a cleaning state, if the shielding signal of the brightness sensor is detected within the continuous time length of T0, the brightness sensor is judged to be shielded by the foreign matters, and the brightness sensor is controlled to perform the alarm of the shielding of the foreign matters, wherein T0 is the threshold time for wiping the touch panel.
Compared with the prior art, the invention has the advantages that: according to the anti-false-touch panel and the anti-touch method of the touch panel, the brightness sensor can be used for detecting the shielding condition of the periphery of the touch key, so that whether a user cleans the touch key by using a cleaning cloth or not is judged, if the touch panel is cleaned, the brightness sensor can be shielded, the false triggering of the touch key during the cleaning of the touch panel can be avoided, and the working reliability of a kitchen appliance such as a range hood applying the anti-false-touch panel is high.
Drawings
Fig. 1 is a schematic structural diagram of a false touch prevention touch panel according to an embodiment of the present invention.
FIG. 2 is a flowchart illustrating a touch panel touch protection method according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The false touch prevention touch panel in this embodiment can be applied to various electrical appliances with touch panels, and in this embodiment, the application of the false touch prevention touch panel in the range hood is taken as an example, and detailed description is performed on the range hood and the false touch prevention touch panel.
As shown in fig. 1, the range hood in this embodiment includes a range hood body, a controller disposed in the range hood, and a touch panel disposed on the range hood body for preventing accidental touch. The false touch prevention touch panel is arranged on the front panel of the range hood body.
The anti-false touch panel comprises a panel 1, a touch key 2 and at least two brightness sensors 3, wherein the touch key 2 and the brightness sensors 3 are embedded in the panel 1, and the touch key 2 and the brightness sensors 3 are electrically connected with a controller.
The luminance sensors 3 are located on the outer periphery of the touch key 2, so that the number of the luminance sensors 3 is specifically determined according to the shape and the area of the distribution area of the touch key 2, and when the distribution range of the touch key 2 is circular, the luminance sensors 3 are distributed along the circumferential direction of the distribution range of the touch key 2. If the distribution range of the touch keys 2 is rectangular, the luminance sensors 3 are horizontally distributed along the upper and lower sides of the touch keys 2, and may also be vertically distributed on both sides of the distribution range of the touch keys 2.
The touch keys 2 in the range hood are generally arranged in a straight line shape along the horizontal direction, and the brightness sensors 3 are respectively and uniformly arranged above and below the distribution area of the touch keys 2. In the present embodiment, the number of the luminance sensors 3 is even, specifically 6, three luminance sensors 3 are respectively arranged in a line shape in the horizontal direction above and below the distribution area of the touch key 2, and the luminance sensor 3 located above the distribution area of the touch key 2 and the luminance sensor 3 located below the distribution area of the touch key 2 are aligned in the vertical direction.
The touch key 2 is generally circular or square, and assuming that the diameter of the touch key 2 or the diameter of a circumscribed circle is d, the shortest distance b between the luminance sensor 3 and each touch key 2 is not less than 3 d. Therefore, the misjudgment that whether the detection result of the brightness sensor 3 is triggered by mistake or not is influenced by shielding the brightness sensor 3 when the normal touch key 2 is operated can be effectively avoided. Certainly, the condition that the shortest distance between the brightness sensor 3 and each touch key 2 is too large to identify false triggering is avoided, and b is less than or equal to 4 d.
The width of a normal hand is 50-100 mm, and the length of the normal hand is 120-200 mm. The height of the panel 1 of the anti-false touch panel is usually between 40 and 80mm in the market. On this basis, the distance between two adjacent luminance sensors 3 in the horizontal direction is c, 50mm ≦ c ≦ 100mm, e.g., c ≦ 80 mm. Therefore, when the user performs wiping cleaning on the anti-false touch panel, the shielding signals of the two brightness sensors 3 can be detected more easily and simultaneously, and the condition that the user performs wiping cleaning can be judged more quickly. The distance between two brightness sensors 3 in the vertical direction is a, 40mm ≦ a ≦ 80mm, e.g., 60 mm. If the height of the panel 1 of the anti-false touch panel is high enough, a can be more than or equal to 80mm and less than or equal to 200mm, therefore, a can be selected within the range that a is more than or equal to 40mm and less than or equal to 200mm, the distance a is set, meanwhile, the shielding signals of the two brightness sensors 3 can be conveniently detected, and the condition that a user is wiping and cleaning can be judged more quickly.
The touch panel touch prevention method comprises the following steps: in a state where the touch panel is on standby:
s1, acquiring the detection signal of each luminance sensor 3, and normally, each luminance sensor 3 detects the luminance signal according to the sampling period; the brightness sensor 3 in this embodiment may adopt an infrared sensor, and a higher triggering condition of the infrared sensor may be set in this embodiment, that is, the brightness sensor 3 may be triggered to send a signal to the controller only when a larger amount of infrared rays need to be received, that is, a shielding object completely approaches the panel 1 of the anti-false touch panel and completely shields the brightness sensor 3, so that the detection accuracy of the shielding signal of the brightness sensor 3 may be improved;
s2, if the shielding signal of the luminance sensor 3 is not detected, it indicates that the luminance sensor 3 is not shielded by foreign matter, the user is not performing a trigger operation to affect the luminance sensor 3, and the user is not performing a wiping cleaning operation to shield the luminance sensor 3, at this time, if the user operates the touch key 2, the controller controls to respond to the trigger operation of the touch key 2;
when the shielding signal of one brightness sensor 3 is detected, due to the aforementioned distance between the brightness sensor 3 and the touch key 2, the user usually does not cause two brightness sensors 3 to detect shielding information at the same time when operating the touch key 2, therefore, it may be that the user covers one brightness sensor 3 to detect the shielding signal of one brightness sensor 3 when operating the touch key 2, or that the user shields one brightness sensor 3 during wiping the touch panel to detect the shielding signal of one brightness sensor 3, and at this time, since it cannot be determined whether the user is operating the touch key 2 or performing wiping cleaning, then, the touch key 2 may be controlled to lock for T seconds to prohibit triggering response, at this time, the locking time T for the touch key 2 is short, T is greater than or equal to 0.3 and less than or equal to 1 in this embodiment, for example, T is greater than or equal to 0.5 seconds;
after the touch key 2 is locked for T seconds, judging the specific conditions according to the detection signals of the brightness sensors 3 detected in real time;
if the shielding signal of the brightness sensor 3 is not detected after the touch key 2 is locked for T seconds, the lock of the touch key 2 can be released, so that the applied electric appliance can respond to the trigger operation of the touch key 2; this process is an operation process for unintentionally shielding the luminance sensor 3 when the user is performing an operation of the touch key 2;
if the touch key 2 detects the shielding signal of at least one brightness sensor 3 after being locked for T seconds, the corresponding work flow is correspondingly carried out;
when the shielding signal of more than one brightness sensor 3 is detected, it is determined that the user is performing the cleaning work of wiping the touch panel, because the user usually holds the cleaning cloth with hands to cover the touch panel and then performs the cleaning work during the wiping process of the touch panel, the cleaning cloth covers the touch panel in a large area during the cleaning process, and then more than two brightness sensors 3 are easily covered, so that the shielding signal of more than one brightness sensor 3 is detected;
at the moment, the touch key 2 is controlled to be locked for T1 seconds to prohibit triggering response;
t1 > T, where T1 may be a preset time for wiping the touch panel, that is, a general user can complete the cleaning work of wiping the touch panel within the time duration of T1, that is, the user is considered to perform the cleaning work within the preset time range for wiping the touch panel, at this time, the touch key 2 is locked to prevent the touch key 2 from being triggered, the user does not trigger a standby electrical appliance to work during the wiping process, and the cleaning work is very convenient. When the locking time of the touch key 2 reaches T1, the locking of the touch key 2 is released, and the operation can still be performed according to the foregoing process. In the embodiment, T1 is more than or equal to 180 and less than or equal to 600, such as T1 is 300 seconds.
S3, after the shielding signal of the brightness sensor 3 is detected, timing the continuous time of the shielding signal of the brightness sensor 3, judging whether the time length of the shielding signal of the brightness sensor 3 reaches T0, if not, returning to S1 to continue working, if not, judging that the brightness sensor 3 is shielded by foreign matters, and controlling to alarm that the brightness sensor 3 is shielded by the foreign matters, wherein T0 is the threshold time for wiping the touch panel. If the condition that the luminance sensor 3 masks the signal is not detected within the time range of T0, the continuous time during which the luminance sensor 3 masks the signal is detected is cleared.
The anti-false touch panel, the range hood and the anti-touch method of the touch panel can reduce the probability of false triggering of the touch key 2 in the wiping and cleaning process, and greatly improve the convenience of cleaning the electric appliance.
Claims (10)
1. The utility model provides a prevent mistake and touch panel, includes panel (1) and inlays touch key (2) of establishing in panel (1), its characterized in that: the display panel further comprises at least two brightness sensors (3) embedded in the panel (1), wherein the brightness sensors (3) are located on the periphery of the touch key (2).
2. The false touch prevention touch panel according to claim 1, characterized in that: the diameter of the touch key (2) or the diameter of the circumscribed circle is d, and the shortest distance b between the brightness sensor (3) and each touch key (2) is more than or equal to 3 d.
3. The false touch prevention touch panel according to claim 1 or 2, characterized in that: the plurality of the brightness sensors (3) are arranged, and the brightness sensors (3) are respectively and uniformly arranged above and below the distribution area of the touch keys (2).
4. The false touch prevention touch panel according to claim 3, characterized in that: the luminance sensors (3) comprise an even number, and the luminance sensors (3) positioned above the distribution area of the touch keys (2) are aligned with the luminance sensors (3) positioned below the distribution area of the touch keys (2) along the vertical direction.
5. The false touch prevention touch panel according to claim 4, characterized in that: the distance between two adjacent brightness sensors (3) along the horizontal direction is c, c is more than or equal to 50mm and less than or equal to 100mm, the distance between two brightness sensors (3) along the vertical direction is a, and a is more than or equal to 40mm and less than or equal to 200 mm.
6. A range hood, its characterized in that: the anti-false-touch control system comprises a range hood body, a controller arranged in the range hood, and the anti-false-touch control panel as claimed in any one of claims 1 to 5 arranged on the range hood body, wherein each brightness sensor (3) and each touch key (2) in the anti-false-touch control panel are electrically connected with the controller.
7. The range hood of claim 6, wherein: the false touch prevention touch panel is arranged on the front panel of the range hood body.
8. A touch panel touch prevention method characterized by: the method comprises the following steps:
s1, acquiring detection signals of each brightness sensor (3);
s2, if the shading signal of the brightness sensor (3) is not detected, responding to the triggering operation of the touch key (2);
when a shielding signal of the brightness sensor (3) is detected, controlling the touch key (2) to lock for T seconds to prohibit triggering response, and returning to S1;
when the shielding signal of more than one brightness sensor (3) is detected, controlling the touch key (2) to be locked for T1 seconds to prohibit triggering response, and returning to S1;
T1＞T。
9. the touch panel touch prevention method according to claim 8, characterized in that: t is more than or equal to 0.3 and less than or equal to 1;
180≤T1≤600。
10. the touch panel touch prevention method according to claim 8, characterized in that: and if the shielding signal of the brightness sensor (3) is detected in the continuous time length of T0, judging that the brightness sensor (3) is shielded by foreign matters, and controlling to alarm that the brightness sensor (3) is shielded by the foreign matters, wherein T0 is the threshold time for wiping the touch panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911077182.1A CN110822515B (en) | 2019-11-06 | 2019-11-06 | Kitchen appliance false touch prevention touch panel, range hood and touch prevention method of touch panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911077182.1A CN110822515B (en) | 2019-11-06 | 2019-11-06 | Kitchen appliance false touch prevention touch panel, range hood and touch prevention method of touch panel |
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| CN110822515B CN110822515B (en) | 2022-08-26 |
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Cited By (1)
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