CN114087725A - Method for preventing mistaken awakening of air conditioner by combining WIFI channel state detection - Google Patents
Method for preventing mistaken awakening of air conditioner by combining WIFI channel state detection Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
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- 238000007781 pre-processing Methods 0.000 claims description 9
- 230000002618 waking effect Effects 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 4
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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Abstract
The invention discloses a method for preventing mistaken awakening of an air conditioner by combining WIFI channel state detection, which relates to the technical field of air conditioner control and comprises the following steps: additionally arranging a deep awakening unit, acquiring channel state information, setting a trigger switch for the voice air conditioner to enter a deep awakening state and setting the trigger switch for the voice air conditioner to enter the awakening state; according to the method, the WIFI module is used for obtaining the channel state information between the WIFI module and the wireless access point through the communication of the base WIFI module based on the interior of the voice air conditioner, then the channel state information is combined to judge whether the installation environment of the voice air conditioner is occupied, different voice air conditioner awakening mechanisms are set based on the judgment result, and the voice air conditioner is prevented from being mistakenly awakened by a deep awakening unit, so that the user experience is improved, and meanwhile, the subsequent series of misoperation caused by mistaken identification of the air conditioner due to mistaken awakening is prevented.
Description
Technical Field
The invention relates to the technical field of air conditioner control, in particular to a method for preventing mistaken awakening of an air conditioner by combining WIFI channel state detection.
Background
With the development of intelligent air conditioners, man-machine interaction modes in the field of air conditioners are more and more diversified and humanized, and at present, the air conditioners can be controlled in a voice mode besides the traditional mode of controlling the air conditioners through a control panel or a remote controller;
when the existing voice air conditioner is used by a user, the frequent condition of mistaken awakening exists, and the most common reasons are as follows: the voice air conditioner can be mistakenly awakened due to self broadcasting of the voice air conditioner, and can be mistakenly awakened in quiet and noisy environments when no person exists or someone exists, so that bad experience is brought to users; therefore, the invention provides a method for preventing false wake-up of an air conditioner by combining WIFI channel state detection, so as to solve the defects in the prior art.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a method for preventing an air conditioner from being mistakenly awakened by combining with WIFI channel state detection, which includes communicating with a base WIFI module based on the interior of a voice air conditioner, acquiring channel state information between the WIFI module and a wireless access point by using the WIFI module, then determining whether a person is in an installation environment of the voice air conditioner by combining with the channel state information, then setting different voice air conditioner awakening mechanisms based on the determination result, and avoiding a mistaken awakening behavior of the voice air conditioner by setting a deep awakening unit, so as to prevent a subsequent series of false operations caused by mistaken identification of the air conditioner due to the mistaken awakening while improving user experience.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for preventing mistaken awakening of an air conditioner by combining WIFI channel state detection comprises the following steps:
s1: adding deep wake-up unit
A deep wake-up mode is additionally arranged in a wake-up control module of the voice air conditioner, so that the wake-up state of the air conditioner comprises a deep wake-up state and a wake-up state;
s2: obtaining channel state information
Acquiring channel state information between a WIFI module and a wireless access point by using a built-in WIFI module of the voice air conditioner;
s3: trigger switch for setting voice air conditioner to enter deep awakening state
S3-1: when the voice air conditioner broadcasts and outputs audio, the voice air conditioner is controlled to enter a deep awakening state;
s3-2: when a WIFI module arranged in the voice air conditioner detects channel state information and the voice air conditioner is not awakened within a period of time, controlling the voice air conditioner to enter a deep awakening state;
s3-3: when the WIFI module built in the voice air conditioner does not detect the channel state information, controlling the voice air conditioner to enter a deep awakening state;
s4: trigger switch for setting voice air conditioner to enter awakening state
S4-1: the voice air conditioner broadcasts the output audio, monitors the output audio, judges whether the awakening word in the output audio is the output audio contained in the voice air conditioner, and controls the voice air conditioner to enter an awakening state when the awakening word in the output audio is not the output audio contained in the voice air conditioner;
s4-2: when the WIFI module built in the voice air conditioner detects channel state information, monitoring a wakeup word collected by the voice air conditioner at the moment, performing tone analysis on the wakeup word, monitoring whether other continuous voice contents exist behind the wakeup word under the same tone, and controlling the voice air conditioner to enter a wakeup state when the voice air conditioner does not monitor the continuous voice contents.
The further improvement lies in that: step S1 further includes adding a voice monitoring unit in the control system of the voice air conditioner, where the voice monitoring unit is configured to monitor the voice air conditioner body to broadcast the output audio and monitor the wake-up word.
The further improvement lies in that: the voice monitoring unit consists of an audio collector, an audio preprocessing module and an audio analyzer.
The further improvement lies in that: the audio collector is used for collecting audio information, the audio preprocessing module is used for preprocessing the collected audio information, and specifically comprises the steps of denoising, feature extraction and semantic completion processing on the audio information, and the audio analyzer is used for analyzing the frequency and the color of the audio information.
The further improvement lies in that: in step S2, the state where the channel state information is acquired by the WIFI module is marked as an indoor manned state, and the state where the channel state information is not acquired by the WIFI module is marked as an indoor unmanned state.
The further improvement lies in that: the voice monitoring unit is also internally provided with a matching degree analysis module which is used for setting similarity matching threshold values of the audio information and the awakening words in different awakening modes, matching the similarity of the audio information and the awakening words acquired by the audio acquisition device and then controlling the voice air conditioner to enter the corresponding awakening mode according to the matching degree values.
The further improvement lies in that: in step S3, when the voice air conditioner enters the deep wake-up state, the matching threshold of the similarity between the audio information and the wake-up word set by the matching degree analysis module is greater than 95%, and when the similarity between the audio information and the wake-up word is greater than 95%, the voice air conditioner is controlled to enter the deep wake-up state.
The further improvement lies in that: in step S3, when the voice air conditioner enters the wake-up state, the matching threshold of the similarity between the audio information and the wake-up word set by the matching degree analysis module is greater than 90%, and when the similarity between the audio information and the wake-up word is greater than 90%, the voice air conditioner is controlled to enter the wake-up state.
The further improvement lies in that: in the step S4-2, when the voice air conditioner monitors the continuous voice content, the content of the continuous voice content is analyzed, and when the analysis result shows that the continuous voice content is a new wake-up word, the voice air conditioner is controlled to enter a wake-up state, and the control operation is performed according to a new wake-up word instruction.
The further improvement lies in that: in the step S4-2, when the voice air conditioner monitors the continuous voice content, the content of the continuous voice content is analyzed, and when the analysis result shows that the continuous voice content is the discussion sound of the user and not the intention of waking up the air conditioner, the voice air conditioner is controlled not to enter the wake-up state.
The invention has the beneficial effects that: the invention uses the WIFI module to acquire the channel state information between the WIFI module and the wireless access point through the communication of the base WIFI module based on the voice air conditioner, then judging whether the voice air conditioner installation environment is occupied or not by combining with the channel state information, then setting different voice air conditioner awakening mechanisms based on the judgment result, the voice air conditioner enters a deep awakening state when no one is available, and judges whether to enter the awakening state by judging whether to finish speaking after the awakening word under the same tone before entering the awakening state when the person is available, can comprehensively and effectively avoid the false awakening action which is easy to happen when the voice air conditioner is broadcasted and is awakened when no person or someone exists, the method and the device can improve user experience and simultaneously prevent the subsequent series of error operations caused by error identification caused by error awakening of the air conditioner.
Drawings
FIG. 1 is a schematic flow diagram of the process of the present invention;
FIG. 2 is a schematic diagram of an anti-wake-up error control flow of the voice air conditioner during self-reporting according to the present invention;
fig. 3 is a schematic diagram of a control flow chart of the voice air conditioner for preventing false wake-up when determining whether there is a person based on channel state information according to the present invention.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1 to 3, the present embodiment provides a method for preventing an air conditioner from being awoken by mistake by combining with WIFI channel state detection, including the following steps:
s1: adding deep wake-up unit
The method comprises the steps that a deep wake-up mode is additionally arranged in a wake-up control module of the voice air conditioner, the wake-up state of the air conditioner comprises a deep wake-up state and a wake-up state, then a voice monitoring unit is additionally arranged in a control system of the voice air conditioner and used for monitoring broadcast output audio of the voice air conditioner and monitoring wake-up words, the voice monitoring unit comprises an audio collector, an audio preprocessing module and an audio analyzer, the audio collector is used for collecting audio information, the audio preprocessing module is used for preprocessing the collected audio information, and specifically comprises the steps of noise reduction, feature extraction and semantic completion processing on the audio information, and the audio analyzer is used for analyzing the frequency and the color of the audio information;
the voice monitoring unit is also internally provided with a matching degree analysis module which is used for setting similarity matching threshold values of the audio information and the awakening words in different awakening modes, matching the similarity of the audio information and the awakening words acquired by the audio acquisition device and then controlling the voice air conditioner to enter the corresponding awakening mode according to the matching degree values;
s2: obtaining channel state information
Acquiring channel state information between a WIFI module and a wireless access point by using a built-in WIFI module of the voice air conditioner, marking the state of acquiring the channel state information by the WIFI module as an indoor manned state, and marking the state of acquiring the channel state information which is not acquired by the WIFI module as an indoor unmanned state;
s3: trigger switch for setting voice air conditioner to enter deep awakening state
S3-1: when the voice air conditioner broadcasts and outputs audio, the voice air conditioner is controlled to enter a deep awakening state;
s3-2: when a WIFI module arranged in the voice air conditioner detects channel state information and the voice air conditioner is not awakened within a period of time, controlling the voice air conditioner to enter a deep awakening state;
s3-3: when the WIFI module built in the voice air conditioner does not detect the channel state information, controlling the voice air conditioner to enter a deep awakening state;
when the voice air conditioner enters the deep awakening state, the similarity matching threshold value of the audio information and the awakening words set by the matching degree analysis module is greater than 95%, and when the similarity of the audio information and the awakening words is greater than 95%, the voice air conditioner is controlled to enter the deep awakening state
S4: trigger switch for setting voice air conditioner to enter awakening state
S4-1: the voice air conditioner broadcasts the output audio, monitors the output audio, judges whether the awakening word in the output audio is the output audio contained in the voice air conditioner, and controls the voice air conditioner to enter an awakening state when the awakening word in the output audio is not the output audio contained in the voice air conditioner;
s4-2: when a WIFI module arranged in the voice air conditioner detects channel state information, monitoring a wakeup word collected by the voice air conditioner at the moment, performing tone analysis on the wakeup word, monitoring whether other continuous voice contents exist behind the wakeup word under the same tone, controlling the voice air conditioner to enter a wakeup state when the voice air conditioner does not monitor the continuous voice contents, performing content analysis on the continuous voice contents when the voice air conditioner monitors the continuous voice contents, and controlling the voice air conditioner to enter the wakeup state and perform control operation according to a new wakeup word instruction when an analysis result shows that the continuous voice contents are new wakeup words; when the voice air conditioner monitors the continuous voice content, the content of the continuous voice content is analyzed, and when the analysis result shows that the continuous voice content is the discussion sound of the user and is not the intention of waking up the air conditioner, the voice air conditioner is controlled not to enter a waking state;
when the voice air conditioner enters the awakening state, the similarity matching threshold value of the audio information set by the matching degree analysis module and the awakening word is greater than 90%, and when the similarity of the audio information and the awakening word is greater than 90%, the voice air conditioner is controlled to enter the awakening state.
The invention uses the WIFI module to acquire the channel state information between the WIFI module and the wireless access point through the communication of the base WIFI module based on the voice air conditioner, then judging whether the voice air conditioner installation environment is occupied or not by combining with the channel state information, then setting different voice air conditioner awakening mechanisms based on the judgment result, the voice air conditioner enters a deep awakening state when no one is available, and judges whether to enter the awakening state by judging whether to finish speaking after the awakening word under the same tone before entering the awakening state when the person is available, can comprehensively and effectively avoid the false awakening action which is easy to happen when the voice air conditioner is broadcasted and is awakened when no person or someone exists, the method and the device can improve user experience and simultaneously prevent the subsequent series of error operations caused by error identification caused by error awakening of the air conditioner.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A method for preventing mistaken awakening of an air conditioner by combining WIFI channel state detection is characterized by comprising the following steps: the method comprises the following steps:
s1: adding deep wake-up unit
A deep wake-up mode is additionally arranged in a wake-up control module of the voice air conditioner, so that the wake-up state of the air conditioner comprises a deep wake-up state and a wake-up state;
s2: obtaining channel state information
Acquiring channel state information between a WIFI module and a wireless access point by using a built-in WIFI module of the voice air conditioner;
s3: trigger switch for setting voice air conditioner to enter deep awakening state
S3-1: when the voice air conditioner broadcasts and outputs audio, the voice air conditioner is controlled to enter a deep awakening state;
s3-2: when a WIFI module arranged in the voice air conditioner detects channel state information and the voice air conditioner is not awakened within a period of time, controlling the voice air conditioner to enter a deep awakening state;
s3-3: when the WIFI module built in the voice air conditioner does not detect the channel state information, controlling the voice air conditioner to enter a deep awakening state;
s4: trigger switch for setting voice air conditioner to enter awakening state
S4-1: the voice air conditioner broadcasts the output audio, monitors the output audio, judges whether the awakening word in the output audio is the output audio contained in the voice air conditioner, and controls the voice air conditioner to enter an awakening state when the awakening word in the output audio is not the output audio contained in the voice air conditioner;
s4-2: when the WIFI module built in the voice air conditioner detects channel state information, monitoring a wakeup word collected by the voice air conditioner at the moment, performing tone analysis on the wakeup word, monitoring whether other continuous voice contents exist behind the wakeup word under the same tone, and controlling the voice air conditioner to enter a wakeup state when the voice air conditioner does not monitor the continuous voice contents.
2. The method for preventing false wake-up of an air conditioner in combination with WIFI channel state detection according to claim 1, wherein: step S1 further includes adding a voice monitoring unit in the control system of the voice air conditioner, where the voice monitoring unit is configured to monitor the voice air conditioner body to broadcast the output audio and monitor the wake-up word.
3. The method for preventing false wake-up of an air conditioner in combination with WIFI channel state detection according to claim 2, wherein: the voice monitoring unit consists of an audio collector, an audio preprocessing module and an audio analyzer.
4. The method for preventing false wake-up of an air conditioner in combination with WIFI channel state detection according to claim 3, wherein: the audio collector is used for collecting audio information, the audio preprocessing module is used for preprocessing the collected audio information, and specifically comprises the steps of denoising, feature extraction and semantic completion processing on the audio information, and the audio analyzer is used for analyzing the frequency and the color of the audio information.
5. The method for preventing false wake-up of an air conditioner in combination with WIFI channel state detection according to claim 1, wherein: in step S2, the state where the channel state information is acquired by the WIFI module is marked as an indoor manned state, and the state where the channel state information is not acquired by the WIFI module is marked as an indoor unmanned state.
6. The method for preventing false wake-up of an air conditioner in combination with WIFI channel state detection according to claim 2, wherein: the voice monitoring unit is also internally provided with a matching degree analysis module which is used for setting similarity matching threshold values of the audio information and the awakening words in different awakening modes, matching the similarity of the audio information and the awakening words acquired by the audio acquisition device and then controlling the voice air conditioner to enter the corresponding awakening mode according to the matching degree values.
7. The method for preventing false wake-up of an air conditioner in combination with WIFI channel state detection according to claim 6, wherein: in step S3, when the voice air conditioner enters the deep wake-up state, the matching threshold of the similarity between the audio information and the wake-up word set by the matching degree analysis module is greater than 95%, and when the similarity between the audio information and the wake-up word is greater than 95%, the voice air conditioner is controlled to enter the deep wake-up state.
8. The method for preventing false wake-up of an air conditioner in combination with WIFI channel state detection according to claim 6, wherein: in step S3, when the voice air conditioner enters the wake-up state, the matching threshold of the similarity between the audio information and the wake-up word set by the matching degree analysis module is greater than 90%, and when the similarity between the audio information and the wake-up word is greater than 90%, the voice air conditioner is controlled to enter the wake-up state.
9. The method for preventing false wake-up of an air conditioner in combination with WIFI channel state detection according to claim 1, wherein: in the step S4-2, when the voice air conditioner monitors the continuous voice content, the content of the continuous voice content is analyzed, and when the analysis result shows that the continuous voice content is a new wake-up word, the voice air conditioner is controlled to enter a wake-up state, and the control operation is performed according to a new wake-up word instruction.
10. The method for preventing false wake-up of an air conditioner in combination with WIFI channel state detection according to claim 1, wherein: in the step S4-2, when the voice air conditioner monitors the continuous voice content, the content of the continuous voice content is analyzed, and when the analysis result shows that the continuous voice content is the discussion sound of the user and not the intention of waking up the air conditioner, the voice air conditioner is controlled not to enter the wake-up state.
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