CN112786056A - Sound and gas composite detection method and device - Google Patents
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Abstract
The invention provides a sound and gas composite detection method, which comprises the following steps: starting the active air suction module to work; receiving a sound signal to be detected of a user; controlling the active air suction module to collect the gas to be detected exhaled by the user while sending the sound signal to be detected based on a preset time sequence, and detecting the gas to be detected by the gas detection module to generate a gas detection result; detecting the voiceprint information of the sound signal to be detected under the condition that the actual detection distance of the user does not exceed a preset detection distance so as to generate a voiceprint recognition result; generating the composite detection result based on the gas detection result and the voiceprint recognition result. The invention also provides a sound and gas composite detection device. The sound and gas composite detection method detects sound signals to identify the identity of a user, and simultaneously collects and detects gas to be detected to generate a gas detection result to judge the body state of the user, so that the effect of simultaneously detecting sound and gas is realized. In addition, before the composite detection, air purification operation is carried out, so that the detection accuracy of the gas to be detected is prevented from being interfered.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a sound and gas composite detection method and device.
Background
Various sensors have been widely used in industrial production and daily life. Sound detection and in particular voiceprint recognition techniques are important for some areas where security requirements are high. In addition, some working properties or working environments have requirements on the physical conditions of workers, such as the industrial and mining environments have strict requirements on the alcohol content in the bodies of the workers, and further, such as some medical working environments also have specific requirements on the physical states of medical workers, and the working environments and the working properties have high requirements on detection accuracy so as to avoid causing adverse consequences. At present, most detection means use a detection instrument of a single sensor to realize single feature detection, such as voiceprint recognition detection, face recognition detection, alcohol content detection, body temperature detection and the like. If meet the detection demand that needs aim at multinomial characteristic simultaneously, it is comparatively low to adopt the detection efficiency that various single sensor detected corresponding characteristic one by one, and in the gaseous detection process in succession, the residual gas in the sensor easily influences the detection accuracy of the gas that awaits measuring.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for detecting acoustic gas recombination with high efficiency.
In order to achieve the purpose of the invention, a sound and gas composite detection method is provided. The sound gas composite detection method comprises the following steps: starting the active air suction module to work; receiving a sound signal to be detected of a user; controlling the active air suction module to collect the gas to be detected exhaled by the user while sending the sound signal to be detected based on a preset time sequence, and detecting the gas to be detected by the gas detection module to generate a gas detection result; detecting the voiceprint information of the sound signal to be detected under the condition that the actual detection distance of the user does not exceed a preset detection distance so as to generate a voiceprint recognition result; generating the composite detection result based on the gas detection result and the voiceprint recognition result.
Optionally, after the step of activating the active inspiration module, the sound and gas composite detection method further includes: and controlling the active air suction module to perform air purification operation before detection based on a preset time sequence.
Optionally, the step of controlling, based on a preset time sequence, the active inspiration module to collect the gas to be detected that is exhaled by the user while emitting the sound signal to be detected, and the gas detection module to detect the gas to be detected to generate a gas detection result further includes: controlling the active air suction module to collect the gas to be detected for the first time based on a preset time sequence; the active air suction module suspends work; the gas detection module detects the gas to be detected for the first time to generate a first gas detection result; the gas detection result comprises the first gas detection result.
Optionally, the step of controlling, based on a preset time sequence, the active inspiration module to collect the gas to be detected that is exhaled by the user while emitting the sound signal to be detected, and the gas detection module to detect the gas to be detected to generate a gas detection result further includes: controlling the active air suction module to recover based on a preset time sequence, and collecting the gas to be detected for the second time; the gas detection module detects the gas to be detected for the second time to generate a second gas detection result; the gas detection result comprises the first gas detection result and the second gas detection result.
Optionally, after receiving the sound signal to be detected of the user, the sound-gas composite detection method further includes: and detecting the sound signal to be detected to limit the preset detection distance of the user.
Optionally, after the step of generating the composite detection result based on the gas detection result and the voiceprint recognition result, the method for detecting a composite sound-gas further includes: judging whether the gas detection result meets a preset standard or not; if not, controlling the active air suction module to start working based on a preset time sequence, and carrying out air purification operation after detection; and if so, stopping the active air suction module to wait for the next composite detection operation.
Optionally, the preset time sequence includes a preset sequence of operation steps, a time arrangement, and an operation time of each operation step, the active air suction module is an air pump or a silent fan, the step controls the active air suction module to perform air purification operation before detection for 4 seconds based on the preset time sequence, the step controls the active air suction module to collect the gas to be detected for the first time for 4 seconds based on the preset time sequence, the step controls the active air suction module to suspend working for 2 seconds based on the preset time sequence, the step controls the active air suction module to resume working based on the preset time sequence, and the time to collect the gas to be detected for the second time is 4 seconds.
The invention also provides a sound and gas composite detection device. The sound and gas composite detection device is used for identifying a sound signal to be detected sent by a user and detecting gas to be detected exhaled by the user, the sound and gas composite detection device comprises a sound acquisition module and a gas detection module, the sound acquisition module is used for limiting a preset detection distance of the user and detecting the sound signal to be detected, the gas detection module is used for acquiring and detecting the gas to be detected and generating gas detection data, the sound and gas composite detection device analyzes the sound signal to be detected to generate a voiceprint identification result and the gas detection data to generate a gas detection result, and generates a composite detection result based on the voiceprint identification result and the gas detection result; the gas detection module comprises a gas detection module and an active air suction module, the gas detection module is used for detecting the gas to be detected and generating the gas detection data, and the active air suction module is used for collecting the gas to be detected according to a preset time sequence and transmitting the gas to the gas detection module.
Optionally, the sound and gas composite detection apparatus further includes a main control system module and a human-computer interaction module, the sound collection module performs noise reduction processing on the sound signal to be detected to generate a noise reduction sound signal and transmits the noise reduction sound signal to the main control system module when detecting that the detection distance of the user exceeds the preset detection distance, the main control system module generates a distance prompt signal after receiving the noise reduction sound signal and transmits the distance prompt signal to the human-computer interaction module, the human-computer interaction module outputs distance prompt information to the user based on the distance prompt signal, the main control system module is further configured to receive the sound signal to be detected and the gas detection data, analyze the sound signal to be detected to generate the voiceprint recognition result, and analyze the gas detection data to generate the gas detection result, the gas detection result comprises that gas detection is passed and gas detection is not passed, and the human-computer interaction module is also used for providing the detection guide information, the composite detection result and the result that the gas detection is not passed for the user and receiving the input instruction of the user.
Optionally, the master control system module comprises a control module and a timer; the timer is used for timing so that the control module can work based on a preset time sequence, and the preset time sequence comprises a preset sequence and a preset frequency arrangement of operation steps and the running time of each operation step; the control module controls the active air suction module to work based on a preset time sequence of the timer, generates the composite detection result based on the voiceprint recognition result and the gas detection result, and outputs the composite detection result and the result that the gas detection does not pass to the man-machine interaction module.
The sound and gas composite detection method provided by the invention detects the sound signal to identify the identity of the user, and simultaneously collects and detects the gas to be detected to generate a gas detection result to judge the body state of the user, thereby realizing the effect of simultaneously detecting the sound and the gas; and the sound gas composite detection method controls the active air suction module to collect the gas to be detected exhaled by the user while sending the sound signal to be detected based on the preset time sequence, and the gas detection module detects the gas to be detected to generate a gas detection result, so that accurate connection of gas collection operation to be detected, gas detection operation to be detected with each other and other front and back operation steps can be realized, and inaccurate detection results caused by untimely collection or untimely gas detection are avoided. In addition, before gaseous detection, the gaseous compound detection device of sound further carries out the air purification operation before detecting, avoids disturbing the detection accuracy of the gas that awaits measuring.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.
Fig. 1 is a schematic view of a sound-gas composite detection apparatus according to an embodiment of the present invention.
Fig. 2 is a detailed schematic diagram of the sound gas composite detection device shown in fig. 1.
Fig. 3 is a flowchart of a sound-gas composite detection method according to an embodiment of the present invention.
Fig. 4 is a specific flowchart of the sound gas composite detection method shown in fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Referring to fig. 1, a sound-gas composite detection apparatus 900 according to an embodiment of the present invention is configured to detect a sound signal to be detected sent by a user, generate a voiceprint recognition result by determining a voiceprint, detect a gas to be detected exhaled by the user to generate a gas detection result, and generate a composite detection result based on the voiceprint recognition result and the gas detection result, that is, whether identity authentication is passed or not. The sound and gas composite detection device 900 includes a human-computer interaction module 100, a sound collection module 200, a gas detection module 300, and a main control system module 400. The human-computer interaction module 100 is configured to provide the detection guidance information, the distance prompt information, the composite detection result, and the result of the failed gas detection of the sound gas composite detection apparatus 900 to the user, and receive an input instruction of the user. And the user produces sound under the guidance of the detection guide information to generate a sound signal to be detected and exhales gas to be detected. In the present embodiment, the detection guidance information is expressed as: requesting a user to input an instruction to start a detection program, displaying random password information to the user, and requesting the user to read the random password information; in other embodiments, the detection guidance information may also be represented by initiating the detection procedure in other ways, or asking the user to speak other content, or perform other related operations. The sound collection module 200 is configured to receive an input instruction from the human-computer interaction module 100, start collecting and detecting a sound signal to be detected, and transmit the collected sound signal to be detected to the main control system module 400. The sound collection module 200 is also used to define a preset detection distance for the user. When detecting that the detection distance between the user and the sound gas composite detection device 900 exceeds the preset detection distance, the sound collection module 200 performs noise reduction processing on the sound signal to be detected to generate a noise reduction sound signal, and transmits the noise reduction sound signal to the main control system module 400; the sound collection module 200 directly transmits the sound signal to be detected to the main control system module 400 when detecting that the detection distance between the user and the sound gas composite detection device 900 is not more than the preset detection distance. The main control system module 400 determines the volume based on the preset standard volume after receiving the sound signal to be detected or the noise reduction sound signal, generates a distance prompt signal when the sound signal to be detected or the noise reduction sound signal is lower than the preset standard volume, and transmits the distance prompt signal to the human-computer interaction module 100 to prompt the user to approach the sound gas composite detection device 900. The human-computer interaction module 100 outputs distance prompt information to the user based on the distance prompt signal. The gas detection module 300 is configured to collect and detect the gas to be detected to generate gas detection data, and send the gas detection data to the main control system module 400.
The main control system module 400 is configured to receive a sound signal to be detected or a noise reduction sound signal and gas detection data, determine a volume of the sound signal to be detected or the noise reduction sound signal, generate a distance prompt signal when the volume of the noise reduction sound signal is lower than a preset standard volume, transmit the distance prompt signal to the human-computer interaction module 100, analyze the sound signal to be detected to generate a voiceprint recognition result when the volume of the sound signal to be detected is not lower than the preset standard volume, and analyze the gas detection data to generate a gas detection result. The main control system module 400 further generates a composite detection result based on the voiceprint recognition result and the gas detection result, and outputs the composite detection result to the human-computer interaction module 100. The gas detection result comprises that the gas detection is passed and not passed, the voiceprint recognition result comprises that the voiceprint recognition is passed and not passed, and the composite detection result also comprises that the composite detection is passed and not passed. In this embodiment, the passing of the composite detection is represented as passing of the authentication, and the failing of the composite detection is represented as failing of the authentication. In this embodiment, the master control system module 400 generates a result that the composite detection passes only when the gas detection passes and the voiceprint recognition passes, and the master control system module 400 generates a result that the composite detection fails in other cases. In this embodiment, the main control system module 400 is a microprocessor.
Further reference is made to fig. 2 for more specific structure of this embodiment. The human-computer interaction module 100 includes a touch display module 110 and a speaker 120. The touch display module 110 is configured to display detection guide information, distance prompt information, and a composite detection result to a user, receive an input instruction generated by a user touch operation, and transmit the input instruction to the sound collection module 200. The speaker 120 is used to display the result of the gas detection failure to the user. In this embodiment, the sound collection module 200 is a short-distance sound pickup, and the detection distance thereof is within 5 cm of the forward straight line, and the deviation angle is smaller than 30 degrees. If the distance exceeds the preset detection distance, the sound collection module 200 performs noise reduction processing on the sound signal to be detected to generate a noise reduction sound signal, and transmits the noise reduction sound signal to the main control system module 400. If the predetermined detection distance is not exceeded, the sound collection module 200 directly transmits the sound signal to be detected to the main control system module 400.
The gas detection module 300 includes a gas chamber 310, a gas detection module 320, and an active gettering module 330. The air chamber 310 is a cavity structure arranged in front of the user, and provides a larger storage space and a larger air passage for the gas to be tested exhaled by the user. The gas detection module 320 is configured to detect a gas to be detected and generate gas detection data for generating a gas detection result. In this embodiment, the gas detection module 320 is an alcohol sensor, and is configured to detect an alcohol concentration in the gas to be detected, where the generated gas detection data includes alcohol concentration information. The active gettering module 330 is disposed between the plenum 310 and the gas detection module 320. Active inspiratory module 330 provides inspiratory power to plenum 310 and delivers the aspirated gas to be tested to gas detection module 320. In this embodiment, the active air suction module 330 is an air pump, which discharges air in the pump to form a relatively low pressure, and opens the air inlet valve to suck in the gas to be measured. In other embodiments, the gas detection module 320 may also be a respiration-related physiological parameter detection element, and the active inspiration module 330 may also be a silent fan. The active air suction module 330 is disposed near the air chamber 310 and near the user, so as to further increase the collection amount of the air to be measured actively collected by the air chamber 310. The active air suction module 330 is further configured to perform air purification operation on the sound and gas composite detection device 900 before and after gas detection, so as to prevent residual gas in the sound and gas composite detection device 900 from affecting the detection accuracy of the gas to be detected.
The main control system module 400 includes a voice size determination module 410, a voiceprint recognition module 420, a voiceprint database 430, a control module 440, a gas analysis module 450, and a timer 460. The sound size determining module 410 is configured to receive the sound signal to be detected or the noise reduction sound signal from the sound collecting module 200, and determine the volume size of the sound signal to be detected or the noise reduction sound signal based on a preset standard volume. In this embodiment, the preset standard volume is 65 db. When the volume of the sound signal to be detected or the noise reduction sound signal is lower than the preset standard volume, the sound size determination module 410 generates a distance prompt signal and transmits the distance prompt signal to the touch display module 110 to prompt the user to approach the sound gas composite detection device 900; under the condition that the volume of the sound signal to be detected or the noise reduction sound signal is not lower than the preset standard volume, the sound size determination module 410 transmits the sound signal to be detected or the noise reduction sound signal to the voiceprint recognition module 420. The voiceprint recognition module 420 is configured to receive the to-be-detected sound signal or the noise reduction sound signal from the sound size determination module 410, and call a standard voiceprint signal preset by the user from the voiceprint database 430, so as to analyze and compare the to-be-detected sound signal or the noise reduction sound signal with the standard voiceprint signal to generate a voiceprint recognition result. The voiceprint recognition module 420 sends the voiceprint recognition result to the control module 440. The voiceprint database 430 is configured to store a standard voiceprint signal preset by a user, and provide the standard voiceprint signal to the voiceprint recognition module 420 when the voiceprint recognition module issues a call instruction.
The timer 460 is used for timing so that the control module 440 can operate based on a preset timing. The control module 440 controls the operation of the active inspiration module 330 based on the preset timing of the timer 460. The control module 440 is configured to receive an input command from the touch display module 110 and control the gas detection module 300 to collect and detect the gas to be detected. Specifically, after receiving the input command from the touch display module 110, the control module 440 controls the active inspiration module 330 to provide inspiration power to the air chamber 310 at a preset time sequence of the timer 460, so as to collect the gas to be detected exhaled by the user. The gas detection module 320 sends the gas detection data to the gas analysis module 450. The gas analysis module 450 analyzes whether the gas detection data meets a predetermined value and generates a gas detection result, and if the gas detection data meets the predetermined value, the gas detection result is that the gas detection passes, and if the gas detection data does not meet the predetermined value, the gas detection result is that the gas detection does not pass. The control module 440 controls the active suction module 330 to collect the gas to be detected for the second time to generate a detection result of the second gas, so as to improve the detection accuracy of the gas to be detected. In the case that the gas detection result is that the gas detection is not passed, the gas analysis module 450 transmits the result of the gas detection not passed to the speaker 120 to be played back to the user for notification. In the present embodiment, the gas detection data includes alcohol concentration information, and if the alcohol concentration does not meet a predetermined value, the gas analysis module 450 outputs the result of the gas detection failure to the user through the speaker 120 in the form of an alarm.
The control module 440 is further configured to receive the voiceprint recognition result from the voiceprint recognition module 420 and the gas detection result from the gas analysis module 450, generate a composite detection result based on the voiceprint recognition result and the gas detection result, and output the composite detection result to the touch display module 110. The composite detection result comprises composite detection passing and composite detection failing. Under the condition that the gas detection passes and the voiceprint recognition passes, the control module 440 generates a result of the composite detection passing and outputs the result to the touch display module 110; in the case where the voiceprint recognition is not passed or the gas detection is not passed, the control module 440 generates a result of the composite detection not being passed and outputs the result to the touch display module 110.
The control module 440 controls the operation of the active inspiration module 330 based on the preset timing of the timer 460. The preset time sequence comprises the preset sequence and the time arrangement of the operation steps and the running time of each operation step. The preset time sequence can be set according to different requirements of users, and the preset time sequence in this embodiment includes: the control module 440 controls the active air suction module 330 to perform 4 seconds of pre-detection air purification operation, performs 4 seconds of first acquisition of the gas to be detected when the detection starts, performs 4 seconds of second acquisition of the gas to be detected after pausing for 2 seconds, and performs 4 seconds of post-detection air purification operation when the gas detection result does not meet the preset standard. In other embodiments, the sequence and the order of the operation steps in the preset time sequence, the time arrangement, and the operation time of each operation step may be adjusted, for example, the control module 440 controls the active air suction module 330 to perform the pre-detection air purification operation for 2 seconds first, perform the first operation of collecting the gas to be detected for 2 seconds when the detection starts, perform the second operation of collecting the gas to be detected for 4 seconds after the detection stops for 2 seconds, perform the third operation of collecting the gas for 4 seconds after the detection stops for 2 seconds, and finally perform the post-detection air purification operation for 2 seconds when the gas detection result does not meet the preset standard.
Gaseous compound detection device 900 of sound passes through sound collection module 200 and restricts user's the detection distance of predetermineeing to ensure that gaseous detection module 300 can obtain sufficient gaseous collection volume of awaiting measuring when improving the sound signal definition of awaiting measuring, thereby improve the degree of accuracy that sound detected and gaseous detection simultaneously, and then ensure compound detection degree of accuracy. The gas detection module 300 adopts the active air suction module 330 to provide air suction power, so that the collection amount of the gas to be detected is further increased, and the gas detection accuracy is further improved.
The sound-gas composite detection method of the present invention is implemented based on the sound-gas composite detection apparatus 900. FIG. 3 is a flow chart of the method for detecting acoustic gas recombination according to the present invention, which includes the following steps 602-622.
In step 602, the active inspiration module 330 starts operation. The control module 440 receives a user input command from the touch display module 110 and controls the active inspiration module 330 to start operation.
In step 604, the active inspiration module 330 is controlled to perform pre-detection air purification operations based on a predetermined timing sequence. The control module 440 controls the active inspiration module 330 to start based on the preset time sequence of the timer 460, and the active inspiration module 330 performs the air purification operation before detection, and the air purification operation time is 4 seconds. The air purification operation can discharge residual gas in the sound gas composite detection device 900 before detection, and the detection accuracy of the gas to be detected is prevented from being influenced.
In step 612, the active inspiration module 330 stops working and waits for a composite detection result. The active inspiration module 330 stops working according to the preset timing sequence of the timer 460, and waits for the composite detection result.
And 614, detecting the voiceprint information of the sound signal to be detected to generate a voiceprint recognition result under the condition that the actual detection distance of the user does not exceed the preset detection distance. The voiceprint recognition module 420 retrieves a standard voiceprint signal preset by the user from the voiceprint database 430 and analyzes and compares the sound signal to be detected or the noise reduction sound signal with the standard voiceprint signal to generate a voiceprint recognition result.
And 616, generating a composite detection result based on the gas detection result and the voiceprint recognition result. The control module 440 generates a composite detection result based on the voiceprint recognition result and the gas detection result, and outputs the composite detection result to the human-computer interaction module 100.
In step 618, it is determined whether the gas detection result meets a predetermined value. The gas analysis module 450 determines whether the gas detection result meets a predetermined value.
And step 620, if the detected air is not met, controlling the active air suction module to start working based on a preset time sequence, and performing air purification operation after detection. If the gas detection result does not meet the predetermined value, the control module 440 controls the active air suction module 330 to start and perform post-detection air purification operation to discharge residual gas in the sound and gas composite detection apparatus 900, thereby avoiding interference to the next sound and gas composite detection. The air cleaning operation time was 4 seconds.
And 622, if so, stopping the active air suction module to wait for the next composite detection operation. And if the gas detection result meets the preset value, stopping the active air suction module to wait for the next sound and gas composite detection operation.
FIG. 4 is a more detailed flowchart of step 610, in which the active gettering module 330 collects the gas to be detected, and the gas detection module 320 detects the gas to be detected to generate a gas detection result, wherein step 610 further includes the following steps 702 and 710.
In step 702, the active inspiration module 330 is controlled to collect the gas to be measured for the first time based on a predetermined timing sequence. The control module 440 controls the active inspiration module 330 to start and collect the gas to be measured for the first time based on the preset timing of the timer 460. The time for the active inspiration module 330 to first acquire the gas to be measured is 4 seconds.
In step 704, the active inspiration module 330 suspends operation. The control module 440 controls the active inspiration module 330 to suspend operation at a predetermined timing of the timer 460. The active inspiration module 330 pauses for 2 seconds.
In step 706, the gas detection module 320 detects the gas to be detected for the first time to generate a first gas detection result. Gas detection module 320 detects the gas under test for the first time, generates first gas detection data, and sends the first gas detection data to gas analysis module 450 for generating a first gas detection result. Gas analysis module 450 analyzes the first gas detection data to generate a first gas detection result. The gas detection result comprises the first gas detection result.
In step 710, the gas detecting module 320 detects the gas to be detected for the second time to generate a second gas detecting result. Gas detection module 320 detects the gas under test a second time, generates second gas detection data, and sends to gas analysis module 450 for generating a second gas detection result. The gas analysis module 450 analyzes the second gas detection data to generate a second gas detection result. The gas detection result comprises the first gas detection result and the second gas detection result.
The sound and gas composite detection method provided by the invention detects the sound signal to identify the identity of the user, and simultaneously collects and detects the gas to be detected to generate a gas detection result to judge the body state of the user, thereby realizing the effect of simultaneously detecting the sound and the gas; and the sound gas composite detection method controls the active air suction module to collect the gas to be detected exhaled by the user while sending the sound signal to be detected based on the preset time sequence, and the gas detection module detects the gas to be detected to generate a gas detection result, so that accurate connection of gas collection operation to be detected, gas detection operation to be detected with each other and other front and back operation steps can be realized, and inaccurate detection results caused by untimely collection or untimely gas detection are avoided. In addition, before gaseous detection, the gaseous compound detection device of sound further carries out the air purification operation before detecting, avoids disturbing the detection accuracy of the gas that awaits measuring.
While the invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that the present invention is not limited to the details of construction and various changes in form and details may be made therein without departing from the spirit and scope of the invention. Accordingly, the scope of the present disclosure is not limited to the above-described embodiments, but should be determined by the claims and the equivalents thereof.
Claims (10)
1. A sound and gas composite detection method is characterized by comprising the following steps:
starting the active air suction module to work;
receiving a sound signal to be detected of a user;
controlling the active air suction module to collect the gas to be detected exhaled by the user while sending the sound signal to be detected based on a preset time sequence, and detecting the gas to be detected by the gas detection module to generate a gas detection result;
detecting the voiceprint information of the sound signal to be detected under the condition that the actual detection distance of the user does not exceed a preset detection distance so as to generate a voiceprint recognition result;
generating the composite detection result based on the gas detection result and the voiceprint recognition result.
2. The acoustic gas composite detection method of claim 1, wherein after the step of activating the active inspiration module, the acoustic gas composite detection method further comprises:
and controlling the active air suction module to perform air purification operation before detection based on a preset time sequence.
3. The method as claimed in claim 2, wherein the step of controlling the active inspiration module to collect the gas to be detected exhaled by the user while emitting the sound signal to be detected based on a predetermined timing sequence, and the step of detecting the gas to be detected by the gas detection module to generate the gas detection result further comprises:
controlling the active air suction module to collect the gas to be detected for the first time based on a preset time sequence;
the active air suction module suspends work;
the gas detection module detects the gas to be detected for the first time to generate a first gas detection result;
the gas detection result comprises the first gas detection result.
4. The method as claimed in claim 3, wherein the step of controlling the active inspiration module to collect the gas to be detected exhaled by the user while emitting the sound signal to be detected based on a predetermined timing sequence, and the step of detecting the gas to be detected by the gas detection module to generate the gas detection result further comprises:
controlling the active air suction module to recover based on a preset time sequence, and collecting the gas to be detected for the second time;
the gas detection module detects the gas to be detected for the second time to generate a second gas detection result;
the gas detection result comprises the first gas detection result and the second gas detection result.
5. The acoustic gas composite detection method according to claim 4, wherein after receiving the acoustic signal to be detected of the user, the acoustic gas composite detection method further comprises:
and detecting the sound signal to be detected to limit the preset detection distance of the user.
6. The acoustic gas composite detection method according to claim 5, wherein after the step of generating the composite detection result based on the gas detection result and the voiceprint recognition result, the acoustic gas composite detection method further comprises:
judging whether the gas detection result meets a preset standard or not;
if not, controlling the active air suction module to start working based on a preset time sequence, and carrying out air purification operation after detection;
and if so, stopping the active air suction module to wait for the next composite detection operation.
7. The method according to claim 6, wherein the preset time sequence includes a preset sequence of operation steps, a time arrangement, and a running time of each operation step, the active air suction module is an air pump or a silent fan, the step controls the active air suction module to perform an air purification operation before detection for 4 seconds based on the preset time sequence, the step controls the active air suction module to collect the gas to be detected for 4 seconds for the first time based on the preset time sequence, the step controls the active air suction module to pause for 2 seconds based on the preset time sequence, the step controls the active air suction module to resume working based on the preset time sequence, and the second time to collect the gas to be detected for 4 seconds.
8. A sound and gas composite detection device is characterized in that the sound and gas composite detection device is used for identifying a sound signal to be detected sent by a user and detecting the gas to be detected exhaled by the user, the sound and gas composite detection device comprises a sound acquisition module and a gas detection module, the sound acquisition module is used for limiting a preset detection distance of the user and detecting the sound signal to be detected, the gas detection module is used for acquiring and detecting the gas to be detected and generating gas detection data, the sound and gas composite detection device analyzes the sound signal to be detected to generate a voiceprint identification result and analyzes the gas detection data to generate a gas detection result, and a composite detection result is generated based on the voiceprint identification result and the gas detection result; the gas detection module comprises a gas detection module and an active air suction module, the gas detection module is used for detecting the gas to be detected and generating the gas detection data, and the active air suction module is used for collecting the gas to be detected according to a preset time sequence and transmitting the gas to the gas detection module.
9. The acoustic gas composite detection apparatus according to claim 8, further comprising a main control system module and a human-computer interaction module, wherein the sound collection module performs noise reduction processing on the acoustic signal to be detected to generate a noise reduction sound signal and transmits the noise reduction sound signal to the main control system module when detecting that the detection distance of the user exceeds the preset detection distance, the main control system module generates a distance prompt signal after receiving the noise reduction sound signal and transmits the distance prompt signal to the human-computer interaction module, the human-computer interaction module outputs distance prompt information to the user based on the distance prompt signal, and the main control system module is further configured to receive the acoustic signal to be detected and the gas detection data, and analyzing the voice signal to be detected to generate the voiceprint recognition result, analyzing the gas detection data to generate the gas detection result, wherein the gas detection result comprises that gas detection passes through and gas detection does not pass through, and the man-machine interaction module is also used for providing the detection guide information, the composite detection result and the result that the gas detection does not pass through for the user and receiving the input instruction of the user.
10. The acoustic gas composite detection apparatus according to claim 9, wherein the main control system module comprises a control module and a timer; the timer is used for timing so that the control module can work based on a preset time sequence, and the preset time sequence comprises a preset sequence and a preset frequency arrangement of operation steps and the running time of each operation step; the control module controls the active air suction module to work based on a preset time sequence of the timer, generates the composite detection result based on the voiceprint recognition result and the gas detection result, and outputs the composite detection result and the result that the gas detection does not pass to the man-machine interaction module.
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