CN110794715B - Electric appliance control method and device and electric appliance - Google Patents
Electric appliance control method and device and electric appliance Download PDFInfo
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Abstract
An electric appliance control method and device, the electric appliance comprises a human body detection device, wherein the method comprises the following steps: acquiring a detection signal intensity value output by a human body detection device, wherein the detection signal intensity value is negatively correlated with the distance between a human body and an electric appliance; comparing the detection signal intensity value with a first preset value; and if the detection signal intensity value is larger than a first preset value, controlling the electric appliance to start. An appliance including the appliance control device is also provided. Through the detection signal intensity value of the human detection device output that will acquire and preset the numerical value and contrast, just control the electrical apparatus and start when detection signal intensity value is greater than preset numerical value, improved the accuracy of electrical apparatus control, overcome the defect that the electrical apparatus starts promptly when human distance is far away, reduced the mistake start-up rate of electrical apparatus, prolonged the life of electrical apparatus, improved the experience sense that the user used.
Description
Technical Field
The invention relates to the technical field of electric appliance control, in particular to an electric appliance control method, an electric appliance control device and an electric appliance.
Background
At present, more and more intelligent control technologies are adopted by household appliances, and the intelligent level is higher and higher. In order to detect the users who move in the area nearby, the household appliance adopts the human body detection device to detect the users with close distance and starts the household appliance, so that the users can conveniently operate the household appliance. The existing human body detection device generally detects the human body of a user by adopting modes such as infrared detection, ultrasonic detection, microwave radar detection and the like.
In the prior art, the human body detection device can realize the detection of a human body, but the existing electric appliance comprising the human body detection device can only realize the detection of the human body and the detection of the approaching or the leaving condition of the human body when detecting the human body, and can output a control signal for controlling the starting of the electric appliance after detecting the human body, thereby failing to realize the accurate judgment of the human body detection signal, having poor control precision and reducing the experience of a user when in use.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defects that the detection precision of the human body detection device of the electrical appliance in the prior art is poor, and the electrical appliance cannot be started when the distance between the human body and the electrical appliance is in a reasonable range, so as to provide an electrical appliance control method, which comprises the following steps:
acquiring a detection signal intensity value output by the human body detection device, wherein the detection signal intensity value is inversely related to the distance between the human body and the electric appliance;
comparing the detection signal intensity value with a first preset value;
and if the detection signal intensity value is larger than the first preset value, controlling the electric appliance to start.
Preferably, after obtaining the detection signal intensity value output by the human body detection device, the method further includes:
comparing the detection signal intensity value with a second preset value, wherein the second preset value is positively correlated with the signal noise of the detection signal;
and if the detection signal intensity value is larger than the second preset value, judging that the detection signal is a valid detection signal.
Preferably, the acquiring a detection signal intensity value output by the human body detection device includes:
acquiring a plurality of detection signal intensity values output by the human body detection device according to preset time;
the comparing the detection signal strength value with a second preset value comprises:
and comparing the detection signal strength values with the second preset value respectively.
Preferably, the determining that the detection signal is a valid detection signal if the detection signal strength value is greater than the second preset value includes:
acquiring the number of the effective detection signals;
comparing the number of valid detection signals with a third preset value;
and if the number of the effective detection signals is larger than the third preset value, judging the effective detection signals to be effective detection signal groups.
Preferably, if the detection signal strength value is greater than the first preset value, controlling the electric appliance to start includes:
calculating an average intensity value of the set of valid detection signals;
comparing the average intensity value of the set of valid detection signals to the first predetermined value;
and if the average intensity value of the effective detection signal group is larger than the first preset value, controlling the electric appliance to start.
Preferably, the controlling the electrical appliance to start if the detection signal is greater than the first preset value includes:
calculating an average intensity value of the plurality of detection signals;
comparing the average intensity values of the plurality of detection signals with the first preset value;
and if the average intensity values of the plurality of detection signals are larger than the first preset value, controlling the electric appliance to start.
Preferably, the controlling the electric appliance to start includes:
and controlling a control panel of the electric appliance to start.
Correspondingly, the invention also provides an electric appliance control device, wherein the electric appliance comprises a human body detection device, and the electric appliance control device comprises:
the acquisition module is used for acquiring a detection signal intensity value output by the human body detection device, and the detection signal intensity value is inversely related to the distance between the human body and the electric appliance;
the first comparison module is used for comparing the detection signal intensity value with a first preset value;
and the control module is used for controlling the electric appliance to be started when the detection signal intensity value is greater than the first preset value.
Preferably, the appliance control device further includes:
the second comparison module is used for comparing the detection signal strength value with a second preset value, wherein the second preset value is positively correlated with the signal noise of the detection signal;
and the judging module is used for judging that the detection signal is an effective detection signal when the detection signal strength value is greater than the second preset value.
Preferably, the obtaining module is further configured to obtain a plurality of detection signal intensity values output by the human body detection device according to preset time;
the second comparison module is further configured to compare the plurality of detection signal strength values with the second preset value respectively.
Preferably, the judging module includes:
an acquisition unit configured to acquire the number of valid detection signals;
the first comparison unit is used for comparing the number of the effective detection signals with a third preset value;
and the judging unit is used for judging that the effective detection signals are effective detection signal groups when the number of the effective detection signals is greater than the third preset value.
Preferably, the judging module includes:
an acquisition unit configured to acquire the number of valid detection signals;
the first comparison unit is used for comparing the number of the effective detection signals with a third preset value;
and the judging unit is used for judging that the effective detection signals are effective detection signal groups when the number of the effective detection signals is greater than the third preset value.
Preferably, the obtaining module is further configured to obtain a plurality of detection signal intensity values output by the human body detection device according to preset time.
Preferably, the control module includes:
the second calculating unit is used for calculating the average intensity value of the plurality of detection signals;
the third comparison unit is used for comparing the average intensity value of the plurality of detection signals with the first preset value;
and the second control unit is used for controlling the electric appliance to start when the average intensity value of the plurality of detection signals is greater than the first preset value.
Preferably, the appliance further comprises a control panel;
the control module is used for controlling the control panel of the electric appliance to be started.
The invention also provides an electric appliance which comprises any one of the electric appliance control devices.
The invention also provides a computer storage medium, wherein the computer readable storage medium stores computer instructions, and the computer instructions correspond to any one of the electric appliance control methods.
The technical scheme of the invention has the following advantages:
according to the electrical appliance control method and device, the obtained detection signal intensity value output by the human body detection device is compared with the preset value, and the electrical appliance is controlled to be started when the detection signal intensity value is larger than the preset value, so that the accuracy of electrical appliance control is improved, the defect that the electrical appliance is started when the human body is far away is overcome, the false starting rate of the electrical appliance is reduced, the service life of the electrical appliance is prolonged, and the experience of a user is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of an electrical appliance control method according to a first embodiment of the present invention;
FIG. 2 is a flowchart of an electrical appliance control method according to a second embodiment of the present invention;
fig. 3 is a flowchart of an electrical appliance control method according to a third embodiment of the present invention;
FIG. 4 is a block diagram of an electrical control apparatus according to a fourth embodiment of the present invention;
FIG. 5 is a block diagram of a control module according to a fourth embodiment of the present invention;
fig. 6 is a block diagram of a determining module according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The technical solution of the present invention is further explained below by taking a common electric cooker in a household appliance as an example. The rice cooker is provided with the human body detection device, the human body detection device comprises two antenna pole plates, and the antenna emits 24G high-frequency signals, so that the rice cooker has the advantage of being difficult to interfere by the existing household wireless equipment. One antenna transmits a signal, the signal is reflected after encountering a human body of a user and is received by the other antenna, a human body detection signal enters the electric cooker control module for processing after being subjected to frequency conversion, filtering, amplification and AD conversion so as to judge the distance between the human body of the user and the electric cooker, and the electric cooker is started at a proper distance and time. The electric cooker in the embodiment of the invention is only used for explaining the technical scheme of the application, the electric appliance in each embodiment is the electric cooker, but the protection scope of the application is not limited to household appliances or electric cookers.
Example one
The embodiment provides a method for controlling an electrical appliance, the electrical appliance includes a human body detection device, please refer to fig. 1, and the method includes the following steps:
and S110, acquiring a detection signal intensity value output by the human body detection device, wherein the detection signal intensity value is in negative correlation with the distance between the human body and the electric appliance.
The detection signal output by the human body detection device is a distance detection signal between the human body and the electric appliance, and the strength value of the detection signal is inversely related to the distance between the human body and the electric appliance. Namely, the longer the distance between the human body and the electric appliance is, the smaller the detection signal intensity value is; the closer the distance between the human body and the electric appliance is, the larger the detection signal intensity value is.
S210, comparing the detection signal intensity value with a first preset value.
The first preset value corresponds to a certain specific distance between the human body and the electric appliance, and when the specific distance is set to be larger, the first preset value is also set to be smaller correspondingly; when the specific distance value is set to be smaller, the first preset value is also set to be a larger value correspondingly, namely the first preset value is inversely related to the specific distance. Specifically, when the use environment of the electric appliance is narrow, the value of the specific distance can be set to be a smaller value, the first preset value is correspondingly a larger value, and the electric appliance is controlled to be started when the distance between the human body and the electric appliance is smaller; when the electric appliance is used in an open environment, the specific distance can be set to be a large value, the first preset value is correspondingly set to be a small value, and when the distance between the human body and the electric appliance is large, the electric appliance is controlled to be started. The specific distance is a judgment basis for judging whether the electric appliance is started.
And S310, if the detection signal intensity value is larger than a first preset value, controlling the electric appliance to start.
After the detection signal output by the human body detection device is obtained, the intensity value of the detection signal is compared with a first preset value. When the detection signal strength value is greater than the first preset value, which indicates that the user has entered the preset range of the electrical appliance, the electrical appliance may need to be operated. At this time, the control appliance is started to await the operation of the user. If the user does not operate the electric appliance within the preset time, the electric appliance automatically carries out the dormant state.
Optionally, the electrical appliance is provided with a control panel, and the control panel of the electrical appliance is controlled to be started so as to wait for a user to perform operation on the control panel of the electrical appliance.
Example two
The embodiment provides a method for controlling an electrical appliance, the electrical appliance includes a human body detection device, please refer to fig. 2, and the method includes the following steps:
and S120, acquiring a plurality of detection signal intensity values output by the human body detection device according to preset time, wherein the detection signal intensity values are in negative correlation with the distance between the human body and the electric appliance.
A plurality of detection signal intensity values output by the human body detection device are obtained according to preset time, and the data stability and reliability of detection signals can be improved by comparing and judging the plurality of detection signal intensity values with a first preset value.
S220, obtaining the average intensity values of a plurality of detection signals.
By obtaining the average intensity value of a plurality of detection signals, the rapid comparison between the intensity value of a plurality of detection signals output by the human body detection device and a first preset value can be realized, the operation efficiency of the system is improved, and the reliability of electric appliance control is also improved.
S320, comparing the average intensity values of the plurality of detection signals with a first preset value, wherein the first preset value is in negative correlation with the distance between the human body and the electric appliance.
The first preset value is still negatively related to the distance between the human body and the electrical appliance, that is, when the detection signal strength value is greater than the first preset value, it indicates that the human body has entered a specific distance of the electrical appliance, it is possible to operate the electrical appliance, and the electrical appliance needs to be awakened to be operated by a user.
And S420, controlling the electric appliance to start when the average intensity values of the plurality of detection signals are greater than a first preset value.
In order to further improve the data validity and reliability of the detection signals, the average intensity values of a plurality of detection signal data are compared with first preset data, and when the average intensity value is larger than the first preset value, the human body detection device detects the human body signal and the human body enters a specific range of the electric appliance, so that the electric appliance can be controlled to be started; when the average intensity value is smaller than a first preset value, the human body detection device detects a human body signal but the human body does not enter a specific range of the electric appliance, and the electric appliance does not need to be controlled to be started.
EXAMPLE III
The embodiment provides a method for controlling an electrical appliance, the electrical appliance includes a human body detection device, please refer to fig. 3, and the method includes the following steps:
s130, obtaining a plurality of detection signal intensity values output by the human body detection device according to preset time, wherein the detection signal intensity values are in negative correlation with the distance between the human body and the electric appliance.
A plurality of detection signal intensity values output by the human body detection device are obtained according to the preset time, and the data stability and reliability of the detection signals can be improved by comparing and judging the plurality of detection signal intensity values.
S230, comparing the detection signal strength values with a second preset value.
If one or more of the detection signal strength values are greater than a second preset value, it is determined that the one or more detection signals are valid detection signals, and step S320 is executed, where the second preset value is positively correlated to the signal noise of the detection signals.
Various signal noises inevitably occur in the process of detecting that a user approaches or leaves a detection signal output by a human body detection device of the electric appliance, and the signal noises are mixed into the detection, so that the human body detection device sends out wrong control signals to the control module, the electric appliance is started wrongly when the user does not appear in the surrounding environment, or the electric appliance is controlled wrongly to enter a dormant state when the user approaches the electric appliance to be used, the experience of the user is reduced, and the service life of the electric appliance is shortened. The second predetermined value is positively correlated with signal noise in the detection signal. By comparing the intensity value of the detection signal with the second preset value, only the detection signal intensity value larger than the second preset value is judged to belong to the effective detection signal, and the detection signal intensity value can be used as a basis for controlling the starting or dormancy of the electric appliance.
In a specific implementation manner of this embodiment, the step S230 further includes the following steps:
s231, the number of valid detection signals is acquired.
S232, comparing the number of the valid detection signals with a third preset value.
S233, if the number of the valid detection signals is greater than the third preset value, the valid detection signals are determined to be valid detection signal groups.
The number of effective detection signals which are larger than a second preset value in a plurality of detection signals output by the human body detection device within the preset time is obtained, the number of the effective detection signals is compared with a third preset value, and whether the plurality of detection signals obtained within the preset time are an effective detection signal set or not is judged. If the number of valid detection signals in the plurality of detection signals obtained within the preset time is smaller than a third preset value, that is, the data validity of the plurality of detection signals obtained within the preset time does not meet the requirement, the plurality of detection signals can be regarded as a group of invalid data, which is not used as a basis for controlling whether the electrical appliance is started, and the detection signals of the human body detection device are obtained again according to the preset time. And if the number of the effective detection signals in the plurality of detection signals acquired within the preset time is greater than a third preset value, that is, the data effectiveness of the plurality of detection signals within the preset time meets the requirement, the detection signals are regarded as a group of effective data and can be used as a basis for controlling whether the electric appliance is started.
S330, comparing the average intensity value of the effective detection signal group with a first preset value, wherein the first preset value is in negative correlation with the distance between the human body and the electric appliance.
After a plurality of detection signals output by the human body detection device within the preset time are regarded as a group of effective data, the average intensity value of the effective detection signal group is compared with a first preset value so as to judge whether to control the starting of the electric appliance. The average intensity value of the effective detection signal group is compared with the first preset data, so that the times of comparing the effective detection signals with the first preset value one by one are reduced, and the system operation efficiency is improved.
And S430, controlling the electric appliance to start if the average intensity value of the effective detection signal group is greater than a first preset value.
When the average intensity value of the effective detection signal group is larger than the first preset value, that is, the average intensity value of the effective detection signal in the preset time meets the requirement, the human body detection device of the electric appliance detects the effective signal of the human body, and the electric appliance can be started to operate for a user.
Optionally, a control panel is arranged on the electrical appliance, and after the human body detection device detects an effective signal of a human body, the control panel of the electrical appliance is controlled to be started for a user to operate.
Example four
The invention provides an electric appliance control device, a human body detection device is arranged in an electric appliance, please refer to fig. 4, the electric appliance control device comprises: the device comprises an acquisition module 1, a first comparison module 2 and a control module 3. The acquisition module 1 is used for acquiring a detection signal intensity value output by the human body detection device, wherein the detection signal intensity value is in negative correlation with the distance between a human body and an electric appliance. The first comparing module 2 is configured to compare the detection signal strength value with a first preset value. The control module 3 is used for controlling the electric appliance to start when the detection signal intensity value is larger than a first preset value.
Optionally, the electrical appliance control device further includes: a second comparing module 4 and a judging module 5. The second comparing module 4 is configured to compare the detection signal strength value with a second preset value. Wherein the second predetermined value is positively correlated with the signal noise of the detection signal. The judging module 5 is configured to judge that the detection signal is a valid detection signal when the detection signal strength value is greater than a second preset value.
Optionally, the obtaining module 1 is further configured to obtain a plurality of detection signal intensity values output by the human body detection device according to preset time. The second comparing module 4 is further configured to compare the plurality of detection signal strength values with a second preset value respectively.
Optionally, referring to fig. 5, the control module 3 includes: a first calculating unit 31, a second comparing unit 32, and a first control unit 33. The first calculation unit 31 is configured to calculate an average intensity value of the set of valid detection signals. The second comparing unit 32 is configured to compare the average intensity value of the valid detection signal group with a first preset value. The first control unit 33 is configured to control the electrical apparatus to start when the average intensity value of the effective detection signal group is greater than a first preset value.
Optionally, the control module 3 further includes: a second calculation unit 34, a third comparison unit 35 and a second control unit 36. The second calculation unit 34 is configured to calculate an average intensity value of the plurality of detection signals. The third comparing unit 35 is configured to compare the average intensity value of the plurality of detection signals with a first preset value. The second control unit 36 is configured to control the electrical appliance to start when the average intensity value of the plurality of detection signals is greater than a first preset value.
Optionally, referring to fig. 6, the determining module 5 includes: an acquisition unit 51, a first comparison unit 52 and a judgment unit 53. The acquisition unit 51 is used to acquire the number of valid detection signals. The first comparing unit 52 is configured to compare the number of valid detection signals with a third preset value. The determining unit 53 is configured to determine the valid detection signals as a valid detection signal group when the number of valid detection signals is greater than a third preset value.
Optionally, the electric appliance further includes a control panel, and the control module 3 is configured to control the control panel of the electric appliance to start.
The embodiment of the invention also provides an electric appliance which comprises any one of the electric appliance control devices.
The embodiment of the invention also provides a computer storage medium, wherein a computer instruction is stored in the computer readable storage medium and corresponds to any one of the electric appliance control methods in the first embodiment, the second embodiment and the third embodiment.
According to the electrical appliance control method and device, the obtained detection signal intensity value output by the human body detection device is compared with the preset value, and the electrical appliance is controlled to be started when the detection signal intensity value is larger than the preset value, so that the accuracy of electrical appliance control is improved, the defect that the electrical appliance is started when the human body is far away is overcome, the false starting rate of the electrical appliance is reduced, the service life of the electrical appliance is prolonged, and the experience of a user is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. An electric appliance control method is characterized in that the electric appliance comprises a human body detection device, and the method comprises the following steps:
acquiring a detection signal intensity value output by the human body detection device, wherein the detection signal intensity value is inversely related to the distance between the human body and the electric appliance;
the obtaining of the detection signal intensity value output by the human body detection device includes:
acquiring a plurality of detection signal intensity values output by the human body detection device according to preset time;
after obtaining the detection signal intensity value output by the human body detection device, the method further comprises the following steps:
comparing the detection signal intensity value with a second preset value, wherein the second preset value is positively correlated with the signal noise of the detection signal;
if the detection signal intensity value is larger than the second preset value, judging that the detection signal is a valid detection signal;
the comparing the detection signal strength value with a second preset value comprises:
comparing the detection signal strength values with the second preset value respectively;
if the detection signal strength value is greater than the second preset value, determining that the detection signal is a valid detection signal, including:
acquiring the number of the effective detection signals;
comparing the number of valid detection signals with a third preset value;
if the number of the effective detection signals is larger than the third preset value, judging that the effective detection signals are effective detection signal groups;
comparing the effective detection signal strength value with a first preset value;
and if the effective detection signal intensity value is larger than the first preset value, controlling the electric appliance to start.
2. The electrical apparatus control method according to claim 1, wherein the controlling the electrical apparatus to start if the valid detection signal strength value is greater than the first preset value comprises:
calculating an average intensity value of the set of valid detection signals;
comparing the average intensity value of the set of valid detection signals to the first predetermined value;
and if the average intensity value of the effective detection signal group is larger than the first preset value, controlling the electric appliance to start.
3. The appliance control method according to any one of claims 1-2, wherein the controlling the appliance to be activated includes:
and controlling a control panel of the electric appliance to start.
4. An electric appliance control device, characterized in that the electric appliance comprises a human body detection device, comprising:
the acquisition module is used for acquiring a detection signal intensity value output by the human body detection device, and the detection signal intensity value is inversely related to the distance between the human body and the electric appliance;
the second comparison module is used for comparing the detection signal strength value with a second preset value, wherein the second preset value is positively correlated with the signal noise of the detection signal;
the judging module is used for judging that the detection signal is an effective detection signal when the detection signal strength value is larger than the second preset value;
the acquisition module is further used for acquiring a plurality of detection signal intensity values output by the human body detection device according to preset time;
the second comparison module is further configured to compare the plurality of detection signal strength values with the second preset value respectively;
the judging module comprises:
an acquisition unit configured to acquire the number of valid detection signals;
the first comparison unit is used for comparing the number of the effective detection signals with a third preset value;
the judging unit is used for judging that the effective detection signals are effective detection signal groups when the number of the effective detection signals is larger than the third preset value;
the first comparison module is used for comparing the effective detection signal intensity value with a first preset value;
and the control module is used for controlling the electric appliance to be started when the effective detection signal strength value is greater than the first preset value.
5. The appliance control device according to claim 4, wherein the control module comprises:
a first calculation unit for calculating an average intensity value of the set of valid detection signals;
a second comparing unit, configured to compare the average intensity value of the valid detection signal group with the first preset value;
and the first control unit is used for controlling the electric appliance to start when the average intensity value of the effective detection signal group is greater than the first preset value.
6. The appliance control device according to any one of claims 4 to 5,
the electric appliance also comprises a control panel;
the control module is used for controlling the control panel of the electric appliance to be started.
7. An electrical appliance comprising a human body detection device, characterized in that it further comprises an electrical appliance control device according to any one of claims 4-6.
8. A computer storage medium, characterized in that the computer-readable storage medium stores computer instructions corresponding to the appliance control method of any one of claims 1 to 3.
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