CN112013425B - Electric quantity detection method and detection system for gas cooker - Google Patents
Electric quantity detection method and detection system for gas cooker Download PDFInfo
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- 238000004364 calculation method Methods 0.000 claims description 10
- 238000010304 firing Methods 0.000 claims description 9
- 238000010411 cooking Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims 3
- 239000007789 gas Substances 0.000 description 68
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
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Abstract
The invention relates to a method for detecting electric quantity of a gas cooker, which comprises the following steps: acquiring ignition sound data of the gas cooker; calculating and obtaining each sparking characteristic data and corresponding time data in the sparking sound data; by comparing the time difference between each adjacent ignition characteristic data with a time difference threshold value TNAnd comparing to obtain the electric quantity information of the gas cooker. The electric quantity detection method of the gas cooker can realize the electric quantity detection of the power supply on the cooker in a voice recognition mode in the environment with voice recognition hardware, and further reduces the hardware cost of the cooker. The invention also relates to an electric quantity detection system of the gas cooker, which comprises a controller, and a sound acquisition unit and an information output unit which are in communication connection with the controller. The electric quantity detection system of the gas cooker can collect, analyze and calculate the ignition sound of the cooker, and further acquire the electric quantity information of the power supply of the cooker.
Description
Technical Field
The invention relates to the technical field of electric quantity detection, in particular to an electric quantity detection method of a gas stove, and further relates to an electric quantity detection system of the gas stove.
Background
With the development of times, gas cookers are increasingly used. At present, most of gas cookers use dry batteries as power supplies, but the dry batteries have service lives, and when the electric quantity of the dry batteries is about to run out, the dry batteries can not be ignited, thereby bringing unnecessary troubles to users. A Chinese utility model patent with an authorization publication number of CN207797133U (application number of 201820175306.4) 'a fuel gas cooker electric quantity display reminding system', wherein the disclosed system comprises a battery, an electric quantity detector, an electric quantity grading processor and an electric quantity display; the battery is connected with the electric quantity detector, the electric quantity detector is connected with the electric quantity grading processor, and the electric quantity grading processor is connected with the electric quantity display; the electric quantity detector detects the electric quantity of the battery and transmits the electric quantity to the electric quantity grading processor in a signal transmission mode; the electric quantity grading processor grades the electric quantity of the battery according to the received signals and transmits the electric quantity grade to the electric quantity display. This gas cooking utensils electric quantity shows warning system can be through the battery electric quantity that detects the gas-cooker to the battery electric quantity of demonstration gas-cooker can make the user in time know the electric quantity of gas-cooker, in order can in time change the gas-cooker power. However, the technology realizes the detection of the power supply capacity by adding a circuit, and the cost of the cooker is additionally increased.
With the continuous development of the intelligent control technology, people also put higher requirements on the functionality of the kitchen range, for example, the chinese patent application publication No. CN106839031A (application No. 201710046839.2) discloses a control method and a notification device for a range hood, wherein the disclosed method is as follows: detecting whether a target object exists in a preset identification area of the range hood; if the target object is detected to exist, acquiring a sound signal of the environment where the range hood is located; comparing the sound signal with a preset cooking sound signal; if the sound signal belongs to the preset cooking sound signal, the range hood is started, and the intelligent control effect of the range hood is improved. That is, the voice recognition technology has been effectively applied to cooking appliances, and on the basis, the corresponding detection components are specially arranged for different detection contents, which causes resource waste and hardware cost increase.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a method for detecting power of a gas cooker, which can detect power of a gas cooker by voice recognition in an environment with voice recognition hardware, so as to reduce hardware cost of the gas cooker.
The second technical problem to be solved by the present invention is to provide an electric quantity detection system for a gas cooker, which can collect, analyze and calculate the ignition sound of the gas cooker, and further obtain the electric quantity information of the power supply of the gas cooker, aiming at the above prior art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: a method for detecting electric quantity of a gas cooker is characterized in that: the method comprises the following steps:
acquiring ignition sound data of the gas cooker;
calculating and obtaining each sparking characteristic data and corresponding time data in the sparking sound data;
by comparing the time difference between each adjacent ignition characteristic data with a time difference threshold value TNAnd comparing to obtain the electric quantity information of the gas cooker.
Optionally, the average value Δ T of the time differences between adjacent ignition characteristic data is compared with a time difference threshold TNComparing if DeltaT is more than or equal to TNAnd judging that the power supply of the gas cooker is insufficient.
Optionally, the time difference Δ T between each adjacent firing characteristic data is calculatediRespectively with a time difference threshold value TNComparing, if the number of the delta T exceeds the set number proportioni≥TNAnd judging that the power supply electric quantity of the gas cooker is insufficient, wherein i is a natural number, and i represents a serial number of a time difference between two adjacent ignition characteristic data.
Simply, the method for acquiring the ignition characteristic data comprises the following steps:
sampling data of the ignition sound of the gas cooker, and further acquiring the ignition sound data of the gas cooker;
the amplitude | x (m) | of the sparking sound of each sampling point m and the threshold value x of the amplitude of the sparking characteristic soundthMaking a comparison if | x (m) | ≧ xthIf the sound data corresponding to the sampling point m is the ignition characteristic data, recording the sampling time t corresponding to the sampling point mmWhere m is a natural number and m represents the serial number of the sampling point.
In order to avoid the interference of external noise on the acquisition of the firing sound data, the method for acquiring the firing sound data comprises the following steps:
sampling to obtain a section of sound data, and comparing the sound amplitude x of each sampling point in the sound data with the threshold value x of the sound amplitude of the ignition characteristicthComparing, and statistically calculating whether the sound amplitude x is greater than or equal to the threshold value x of the sound amplitude of the ignition characteristicthThe number N of the characteristic data, and simultaneously calculating the time difference delta t between the sampling times corresponding to each adjacent characteristic data;
if N ≧ N0And Δ t ∈ [ t1, t2 ]]Judging the collected sound data as the firing sound data, wherein N is0For making a fire soundThreshold value of the number of ignition characteristics in the data, [ t1, t2 ]]Is a threshold range of time differences between adjacent fire signature data.
Preferably, the time difference threshold TNA + T0, where a is a positive number, and a represents the minimum allowable difference between the average value of the time difference between each adjacent ignition feature data and the time difference reference value T0 between the adjacent ignition feature data when the power supply of the gas cooker is insufficient.
The setting mode of T0 is as follows:
after the gas cooker leaves a factory, when a user uses the gas cooker for ignition for the first time, storing the average value delta T0 of the time difference between every two adjacent ignition characteristic data obtained through calculation as a time difference reference value T0 between the two adjacent ignition characteristic data;
during use of the gas cooker, if the average value Δ T of the time differences between the adjacent ignition feature data calculated and acquired at the time of the next ignition is smaller than the time difference reference value T0 between the currently stored adjacent ignition feature data, the current Δ T is stored as T0.
Preferably, the method for judging whether to replace a new power supply during the use of the gas cooker comprises the following steps:
storing the average value delta T of the time difference between every two adjacent ignition characteristic data calculated every time as U when the gas cooker is ignitedjU obtained by current calculationj+1And the last calculation obtained UjMaking a comparison if Uj+1＜UjJudging that a new power supply is replaced;
when the power supply is replaced by a new one, the time difference threshold T is determined againN。
The technical scheme adopted by the invention for solving the second technical problem is as follows: an electric quantity detection system of a gas cooker is characterized in that: the voice recognition system comprises a controller, a voice acquisition unit and an information output unit, wherein the voice acquisition unit and the information output unit are in communication connection with the controller.
Optionally, the information output unit is a display screen and/or a voice player.
Optionally, the controller is a controller of a cooker or a controller arranged outside the cooker, the sound collection unit is arranged near an ignition needle of the cooker or outside the cooker, and the information output unit is arranged on the cooker or outside the cooker.
Compared with the prior art, the invention has the advantages that: the electric quantity detection method of the gas cooker realizes the detection of the electric quantity of the battery by using a sound detection mode, expands the application range of sound identification in an intelligent kitchen, does not have the influence of external power supply factors such as electric quantity detection hardware faults or voltage fluctuation when detecting the electric quantity by using hardware, and is more accurate in detection of the electric quantity of the battery. In addition, in order to realize the electric quantity detection of the power supply of the gas cooker, the electric quantity detection method of the gas cooker can be applied to the environment with the voice recognition hardware, the hardware cost is not additionally increased, only software updating is needed, and the gas cooker is not needed to be replaced.
Drawings
Fig. 1 is a flowchart of a method for detecting electric quantity of a gas cooker in an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
When the gas cooker is ignited, continuous 'Da, Da …' sounds can be generated. When the battery is fully charged, the 'Da, Da …' sounds generated when the gas cooker is ignited are rapid, namely the time interval between the adjacent characteristic sounds 'Da', 'Da' is short; when the battery is insufficient, the gas cooker generates adjacent characteristic sounds of 'Da' and 'Da' when striking a fire, and the time interval between the adjacent characteristic sounds is longer. Based on the basis, the following electric quantity detection system and method of the gas cooker are provided.
The electric quantity detection system of the gas cooker in the embodiment comprises a controller, and a sound acquisition unit and an information output unit which are in communication connection with the controller. The information output unit adopts a display screen and/or a voice player according to specific product requirements.
According to different designs, the controller is a controller of the cooker or a controller arranged outside the cooker, the sound acquisition unit is arranged near an ignition needle of the cooker or outside the cooker, and the information output unit is arranged on the cooker or outside the cooker. In an existing intelligent kitchen, a sound collection unit is usually designed in different products, and for example, a sound collection unit is usually arranged in a range hood. The information output unit is designed in the range hood and the kitchen range. The electric quantity detection system of the gas cooker in the embodiment is applied to a kitchen application environment with modules of a controller, a sound acquisition unit and an information output unit, so that the electric quantity detection work of the gas cooker can be completed on the basis of not increasing the hardware cost. When the gas cooker is used, the electric quantity detection of the gas cooker can be finished only by modifying software in the controller according to the electric quantity detection content of the gas cooker. In the working process of the electric quantity detection system of the gas cooker, the sound acquisition unit is used for acquiring the ignition sound signal of the gas cooker, then the controller is used for calculating and analyzing the current power supply electric quantity condition of the gas cooker, and the information output unit is used for prompting a user to obtain a better battery under the condition of insufficient electric quantity.
As shown in fig. 1, the method for detecting electric quantity of a gas cooker in this embodiment includes the following steps:
and S1, acquiring the firing sound data of the gas cooker.
When acquiring the sound data of striking sparks of the gas cooker, because there are many other extra noises in the kitchen environment that can influence the sound data of striking sparks of the gas cooker and confirm, in order to guarantee that the sound data of gathering is the sound data of striking sparks of the gas cooker, the acquisition method of the sound data of striking sparks of the gas cooker in this embodiment is: sampling to obtain a section of sound data, and comparing the sound amplitude x of each sampling point in the sound data with the threshold value x of the sound amplitude of the ignition characteristicthComparing to obtain the sound amplitude x greater than or equal to the threshold value x of the striking characteristic sound amplitudethStatistically calculating that the sound amplitude x is greater than or equal to the threshold value x of the striking characteristic sound amplitudethThe number N of the characteristic data, and simultaneously calculating the time difference delta t between the sampling times corresponding to each adjacent characteristic data; x is the number ofthSet in advance in the controller, xthThe setting can be carried out according to the average value of the amplitude corresponding to the sparking sound detected by the product in the experimental stage.
If N ≧ N0And Δ t ∈ [ t1, t2 ]]And judging that the collected section of sound data is ignition sound data, further performing the following calculation analysis process, and if not, judging that the sound data is not the ignition sound data of the gas cooker.
Wherein N is0The number of the fire striking feature data in the fire striking sound data is the threshold value, usually more than 10 times of 'Da' sound occurs when the gas cooker is operated to strike fire, and N can be used0Set to a value of 10 or greater; [ t1, t2]For the time difference threshold range between adjacent firing profiles, [ t1, t2 ]]This time difference threshold range may also be obtained during the experimental phase of the product, or may be obtained according to the time difference threshold T described belowNSet, such as can be set to [ a1T ]N,a2TN]I.e. t1 ═ a1TN，t2＝a2TNWherein a1 is less than or equal to 1, a2 is more than 1, such as a1 is 0.8, and a2 is 1.2. The time difference threshold range [ t1, t2 ]]In t1, when the gas cooker is ignited, the minimum interval time value which can be reached by two adjacent 'clicks' when the battery is sufficiently charged is represented; t2 represents the maximum interval time value that two adjacent "clicks" can reach when the battery is low when the gas range is ignited.
And S2, calculating and acquiring each sparking characteristic data and corresponding time data in the sparking sound data.
The ignition sound data of the gas cooker is obtained and determined by the sampling of the process; the method for acquiring each sparking characteristic data and corresponding sampling point time in the sparking sound data comprises the following steps:
the amplitude | x (m) | of the sparking sound of each sampling point m and the threshold value x of the amplitude of the sparking characteristic soundthMaking a comparison if | x (m) | ≧ xthIf the sound data corresponding to the sampling point m is the ignition characteristic data, recording the sampling time t corresponding to the sampling point mmWhere m is a natural number and m represents the serial number of the sampling point.
S3, igniting adjacent sparksTime difference between feature data and time difference threshold TNAnd comparing to obtain the electric quantity information of the gas cooker.
At a time difference threshold TNFor comparison, the following two methods can be employed:
the first method comprises the following steps: the average value Delta T of the time difference between each adjacent ignition characteristic data and a time difference threshold value TNMaking a comparison if Δ T-TNAnd if the power supply capacity of the gas cooker is not enough, the controller can output the capacity shortage information to the user through the information output unit, and prompt the user to replace the battery.
The second method is as follows: the time difference Delta T between each adjacent ignition characteristic dataiRespectively with a time difference threshold value TNComparing, if the number of the delta T exceeds the set number proportioni≥TNIf Δ T occursi≥TNThe number of the time difference between the two adjacent ignition characteristic data exceeds 70% of the number of the time difference between the total adjacent ignition characteristic data, the power supply electric quantity of the gas cooker is judged to be insufficient, at the moment, the controller can output the electric quantity insufficient information to a user through the information output unit to prompt the user to replace the battery, wherein i is a natural number, and i represents a serial number of the time difference between the two adjacent ignition characteristic data.
In the embodiment, the first method is adopted to obtain the electric quantity information of the gas cooker.
Time difference threshold T in this embodimentNA + T0, where a is a positive number, and a represents the minimum allowable difference between the average value of the time difference between each adjacent ignition feature data and the time difference reference value T0 between the adjacent ignition feature data when the power supply of the gas cooker is insufficient.
The setting mode of T0 is as follows:
after the gas cooker leaves a factory, when a user uses the gas cooker for ignition for the first time, storing the average value delta T0 of the time difference between every two adjacent ignition characteristic data obtained through calculation as a time difference reference value T0 between the two adjacent ignition characteristic data;
during use of the gas cooker, if the average value Δ T of the time differences between the adjacent ignition feature data calculated and acquired at the time of the next ignition is smaller than the time difference reference value T0 between the currently stored adjacent ignition feature data, the current Δ T is stored as T0.
The setting mode of the time difference reference value T0 between the adjacent ignition characteristic data can be continuously updated along with the difference of the batteries, the judgment of the insufficient power of the gas cooker is more accurate, and meanwhile, the problem that the battery power is obviously reduced in the gas cooker when the user is used for ignition for the first time is avoided, so that the subsequent condition of judging the insufficient power of the gas cooker is influenced.
Preferably, after each better new power supply, the time difference reference value T0 between adjacent firing profiles is re-determined, and the time difference threshold T is re-determinedN。
The method for judging whether to replace a new power supply in the use process of the gas cooker comprises the following steps:
storing the average value delta T of the time difference between every two adjacent ignition characteristic data calculated every time as U when the gas cooker is ignitedjU obtained by current calculationj+1And the last calculation obtained UjMaking a comparison if Uj+1＜UjThen, it is judged that the new power supply is replaced.
Claims (9)
1. A method for detecting electric quantity of a gas cooker is characterized in that: the method comprises the following steps:
acquiring ignition sound data of the gas cooker;
calculating and obtaining each sparking characteristic data and corresponding time data in the sparking sound data;
by comparing the time difference between each adjacent ignition characteristic data with a time difference threshold value TNComparing to obtain the electric quantity information of the gas cooker;
time difference threshold TNA + T0, where a is a positive number, and a represents that when the power supply of the gas cooker is insufficient, the average value of the time difference between each two adjacent ignition characteristic data and the time difference reference value T0 between the two adjacent ignition characteristic data are allowedA permissible minimum difference;
the setting mode of T0 is as follows:
after the gas cooker leaves a factory, when a user uses the gas cooker for ignition for the first time, storing the average value delta T0 of the time difference between every two adjacent ignition characteristic data obtained through calculation as a time difference reference value T0 between the two adjacent ignition characteristic data;
during use of the gas cooker, if the average value Δ T of the time differences between the adjacent ignition feature data calculated and acquired at the time of the next ignition is smaller than the time difference reference value T0 between the currently stored adjacent ignition feature data, the current Δ T is stored as T0.
2. The method for detecting the electric quantity of a gas cooker according to claim 1, wherein: the average value Delta T of the time difference between each adjacent ignition characteristic data and a time difference threshold value TNComparing if DeltaT is more than or equal to TNAnd judging that the power supply of the gas cooker is insufficient.
3. The method for detecting the electric quantity of a gas cooker according to claim 1, wherein: the time difference Delta T between each adjacent ignition characteristic dataiRespectively with a time difference threshold value TNComparing, if the number of the delta T exceeds the set number proportioni≥TNAnd judging that the power supply electric quantity of the gas cooker is insufficient, wherein i is a natural number, and i represents a serial number of a time difference between two adjacent ignition characteristic data.
4. A method for detecting the quantity of electricity of a gas cooking appliance according to any one of claims 1 to 3, characterized in that: the method for acquiring the ignition characteristic data comprises the following steps:
sampling data of the ignition sound of the gas cooker, and further acquiring the ignition sound data of the gas cooker;
the amplitude | x (m) | of the sparking sound of each sampling point m and the threshold value x of the amplitude of the sparking characteristic soundthMaking a comparison if | x (m) | ≧ xthIf the sound data corresponding to the sampling point m is the ignition characteristic data, recording the sampling pointm corresponding to the sampling time tmWhere m is a natural number and m represents the serial number of the sampling point.
5. A method for detecting the quantity of electricity of a gas cooking appliance according to any one of claims 1 to 3, characterized in that: the method for acquiring the firing sound data comprises the following steps:
sampling to obtain a section of sound data, and comparing the sound amplitude x of each sampling point in the sound data with the threshold value x of the sound amplitude of the ignition characteristicthComparing, and statistically calculating whether the sound amplitude x is greater than or equal to the threshold value x of the sound amplitude of the ignition characteristicthThe number N of the characteristic data, and simultaneously calculating the time difference delta t between the sampling times corresponding to each adjacent characteristic data;
if N ≧ N0And Δ t ∈ [ t1, t2 ]]Judging the collected sound data as the firing sound data, wherein N is0A threshold value for the number of striking feature data in the striking sound data, [ t1, t2 ]]Is a threshold range of time differences between adjacent fire signature data.
6. A method for detecting the quantity of electricity of a gas cooking appliance according to any one of claims 1 to 3, characterized in that: the method for judging whether to replace a new power supply in the use process of the gas cooker comprises the following steps:
storing the average value delta T of the time difference between every two adjacent ignition characteristic data calculated every time as U when the gas cooker is ignitedjU obtained by current calculationj+1And the last calculation obtained UjMaking a comparison if Uj+1＜UjJudging that a new power supply is replaced;
when the power supply is replaced by a new one, the time difference threshold T is determined againN。
7. An electric quantity detection system of a gas cooker is characterized in that: the electric quantity detection method of the gas cooker applied to any one of claims 1 to 6 comprises a controller, a sound acquisition unit and an information output unit, wherein the sound acquisition unit and the information output unit are in communication connection with the controller.
8. The system for detecting electric quantity of a gas range according to claim 7, wherein: the information output unit is a display screen and/or a voice player.
9. The electric quantity detection system of a gas cooker as recited in claim 7 or 8, wherein: the controller is a controller of a cooker or a controller arranged outside the cooker, the sound acquisition unit is arranged near an ignition needle of the cooker or outside the cooker, and the information output unit is arranged on the cooker or outside the cooker.
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| CN112013425A (en) | 2020-12-01 |
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