CN116616720A - Smell transmission smell detection equipment and control method thereof - Google Patents

Abstract

The invention discloses smell transmission olfactory detection equipment and a control method thereof, and relates to the field of biological sensory detection, wherein the smell transmission olfactory detection equipment comprises a central control system, a main air pump, a filter and main air pipes, wherein the main air pipes are respectively connected with a plurality of test smell sources and a ventilation source through branch air pipes, each two corresponding branch air pipes are respectively connected with the main air pipes through a remote control multidirectional valve, each test smell source is respectively connected with a first valve group and a second valve group through a group of smell conveying pipes, and each group of smell conveying pipes comprises a smell conveying pipe R and a smell conveying pipe L; the first valve group is internally provided with a plurality of one-way valves R and a ventilation valve R, the second valve group is internally provided with a plurality of one-way valves L and a ventilation valve L, the first valve group is connected with a detection object through a left-way gas circuit transmission pipe, and the second valve group is connected with the detection object through a right-way gas circuit transmission pipe; and the left gas path transmission pipe and the right gas path transmission pipe are respectively provided with a gas flow rate sensor, a micro fan and an electrochemical sensor.

Description

Smell transmission smell detection equipment and control method thereof

Technical Field

The invention relates to the field of biological sensory detection, in particular to smell transmission olfactory detection equipment and a control method thereof.

Background

Olfactory disorder refers to the problem or damage of the olfactory function of an individual, which leads to the reduction or loss of olfactory sensing, identifying and distinguishing ability, and the olfactory disorder can seriously affect the life of the individual, such as the reduction or loss of the identifying ability of dangerous environment, and even seriously threaten the life safety of the individual; olfactory disorders can be caused by a variety of causes, such as colds, sinusitis, viral infections, neurological diseases, head injuries, and drug side effects, to name a few; currently, methods for detecting olfaction are mainly classified into subjective detection of olfaction and objective detection of olfaction, and compared with subjective detection of olfaction, the methods are mainly auxiliary diagnosis methods due to high reliability of objective detection of olfaction, but current objective detection equipment and technology of olfaction are high in cost, and control modes are single, so that accuracy of detection of olfaction is required to be improved.

At present, the existing smell transmission smell detection equipment and a control method thereof are mainly designed aiming at cost efficiency, for example, chinese patent of an authorized bulletin number CN102379687B discloses a smell transmission smell tester and a control method thereof, for example, chinese patent of an authorized bulletin number CN105628879B discloses a smell transmission smell test standard box and a smell test method thereof, for example, chinese patent of an authorized bulletin number CN202365756U discloses a smell transmission smell tester, and the invention has the advantages that the test is convenient and simple, but the equipment automation degree and compatibility are lower, the limitation and the defect are higher, and the influence of various detection is easy, such as mismatching of gas residues in a trachea and a medical detection analysis system, so that the smell obstacle degree and the smell detection authenticity of a tested person cannot be accurately obtained, and accurate judgment of the smell state of the tested person is difficult to assist doctors; in addition, the existing method has single control mode, cannot realize multi-mode control, and automatically performs test mode and link switching, so that multi-aspect multi-angle olfactory detection cannot be provided for a tested person, influence factors cannot be eliminated, and the tested person experiences poor.

In view of the above, the present invention proposes an odor-transmitting smell detection apparatus and a control method thereof to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides smell transmission smell detection equipment and a control method thereof.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the smell transmission smell detection device comprises a central control system, a main air pump, a filter and main air pipes, wherein the main air pipes are respectively connected with a plurality of smell sources and a ventilation source through branch air pipes, each two corresponding branch air pipes are respectively connected with the main air pipes through a remote control multidirectional valve, each smell source is respectively connected with a first valve group and a second valve group through a group of smell pipes, and each group of smell pipes comprises a smell pipe R and a smell pipe L; the first valve group is internally provided with a plurality of one-way valves R and a ventilation valve R, the second valve group is internally provided with a plurality of one-way valves L and a ventilation valve L, the first valve group is connected with a detection object through a left-way gas circuit transmission pipe, and the second valve group is connected with the detection object through a right-way gas circuit transmission pipe; the left gas path transmission pipe and the right gas path transmission pipe are respectively provided with a gas flow rate sensor, a micro fan and an electrochemical sensor; wherein, the liquid crystal display device comprises a liquid crystal display device,

When only the left gas path transmission pipe is used, each test flavor source or ventilation source is communicated with the left gas path transmission pipe through a flavor transmission pipe R and a one-way valve R, and the ventilation source is communicated with the right gas path transmission pipe through a flavor transmission pipe L and a one-way valve L;

when only the right-way gas path transmission pipe is used, each test flavor source or ventilation source is communicated with the right-way gas path transmission pipe through a flavor transmission pipe L and a one-way valve L, and the ventilation source is communicated with the left-way gas path transmission pipe through a flavor transmission pipe R and a one-way valve R.

Further, each of the test flavor source and the ventilation source is connected with a gas heater, and the central control system is respectively in communication with or/and electrically connected with a main gas pump, a filter, a remote control multi-way valve, the test flavor source, the ventilation source, the gas heater, a one-way valve R, a ventilation valve R, a one-way valve L, a ventilation valve L, a gas flow rate sensor, a micro fan, an electrochemical sensor, a detection device assembly and compatible devices.

The system comprises a detection device component, a medical detection analysis system and a power supply, wherein the detection device component is used for detecting the smell of a person, and the detection device component is used for detecting the smell of the person; the detection device assembly includes, but is not limited to, a camera, a heart rate sensor, a blood pressure sensor, and a measurement electrode.

Further, the miniature fan comprises miniature fan blades and a miniature motor, the miniature fan blades are arranged in the left-channel gas circuit transmission pipe and the right-channel gas circuit transmission pipe, the gas flow rate sensor is arranged at one end of the miniature fan close to the first valve group or the second valve group, and the electrochemical sensor is arranged at the other end of the miniature fan.

A method of controlling an odor delivery olfactory detection device, the method comprising:

s101: when a detection object plugs the left gas path transmission pipe and the right gas path transmission pipe into nostrils, a detection request sent by a medical detection analysis system is obtained according to compatible equipment, and a control instruction is generated;

s102: starting a remote control multi-way valve according to a control instruction, controlling the remote control multi-way valve to convey generated air to a test flavor source n, and respectively inputting the corresponding test flavor source into a left-way air channel transmission pipe and a right-way air channel transmission pipe based on a first valve group and a second valve group;

s103: collecting data to be analyzed in real time when a detection object sucks a test flavor source through a left gas path transmission pipe and a right gas path transmission pipe respectively; the data to be analyzed comprises human body data, air flow detection data, smell source surplus and residual gas data;

S104: analyzing based on the human body data, the air flow detection data, the smell source residual quantity and the residual gas data respectively to obtain an air flow detection result, a test actual state and a first smell detection value;

s105: controlling based on the air flow detection result and the test actual state to detect the next link;

s106: repeating the steps S102-S105 until the detection object stops detecting all the test flavor sources, and obtaining a first olfactory detection result.

Further, the protocol conversion module is arranged in the compatible device and is used for acquiring the device type of the medical detection analysis system and carrying out communication protocol conversion on the interaction data according to the device type of the medical detection analysis system.

Further, the processing procedure of the compatible device is as follows:

reading the communication protocol types of the medical detection analysis system and the central control system;

inputting the communication protocol type of the medical detection analysis system and the communication protocol type of the central control system into a pre-stored communication protocol table for traversing, and respectively obtaining the communication rule of the communication protocol type of the medical detection analysis system and the communication rule of the communication protocol type of the central control system;

Judging whether the communication rule of the communication protocol type of the medical detection analysis system is consistent with the communication rule of the communication protocol type of the central control system;

if the communication rules are inconsistent, respectively determining a data transmission object and a data receiving object, and converting the communication rules of the data transmission object into the communication rules of the data receiving object based on the communication protocol table;

if the data are consistent, the data transmission is directly carried out.

Further, controlling the remotely controlled multi-directional valve to deliver the generated air to the test flavor source n comprises:

the method comprises the steps of calling a pre-constructed pipeline diagram based on a control instruction, and marking a corresponding remote control multi-directional valve as a target remote control multi-directional valve based on a layout relation of the pipeline diagram;

judging whether at least one remote control multi-way valve exists between the target remote control multi-way valve and the filter based on the layout relation of the pipeline diagram;

if the air exists, controlling the valve direction of each remote control multi-way valve between the target remote control multi-way valve and the filter, and adjusting the valve direction of the target remote control multi-way valve to convey the generated air to the test flavor source n;

if not, directly adjusting the valve direction of the target remote control multi-directional valve to convey the generated air to the test flavor source n.

Further, the air flow detection data comprise air flow rates of a left air channel transmission pipe and a right air channel transmission pipe; the residual gas data includes a residual gas amount and a residual gas type; based on the human body data, the air flow detection data, the smell source remaining amount and the residual gas data, respectively, the method comprises the following steps:

Obtaining a standard gas flow velocity value pre-stored in a database;

respectively extracting the gas flow rates of a left gas path transmission pipe and a right gas path transmission pipe;

marking the difference value between the gas flow rate of the left gas path transmission pipe and the standard gas flow rate value as a first difference value, and marking the difference value between the calculated gas flow rate of the right gas path transmission pipe and the standard gas flow rate value as a second difference value;

judging whether the first difference value and the second difference value are equal to preset reference values, if not, indicating that the gas flow rate of the left gas channel transmission pipe or the gas flow rate of the right gas channel transmission pipe does not meet the standard, and generating an air flow detection result, wherein the air flow detection result comprises a display word of the first difference value and the 'gas flow rate of the left gas channel transmission pipe does not meet the standard', or a display word of the second difference value and the 'gas flow rate of the right gas channel transmission pipe does not meet the standard'; if the flow rate of the gas in the left gas path transmission pipe and the flow rate of the gas in the right gas path transmission pipe are equal to the standard, the gas flow detection result is not required to be generated.

Further, the method performs analysis based on the human body data, the air flow detection data, the remaining amount of the odor source, and the residual gas data, respectively, and further includes:

The method comprises the steps of obtaining the residual quantity of a flavor source of a test air source through an air volume meter, and respectively obtaining the residual gas quantity in a left air channel transmission pipe and a right air channel transmission pipe through an electrochemical sensor;

judging whether the residual quantity of the flavor source is smaller than a preset residual threshold value of the flavor source, if so, comparing the type of residual gas in the left gas path transmission pipe or the right gas path transmission pipe with the type of the corresponding test gas source; if the test flavor source is larger than or equal to the left air channel transmission pipe and the right air channel transmission pipe, continuously inputting the corresponding test flavor source into the left air channel transmission pipe and the right air channel transmission pipe respectively;

when the residual gas type in the left gas path transmission pipe or the right gas path transmission pipe is compared with the corresponding test gas source respectively, if the residual gas type is consistent with the corresponding test gas source, a test actual state is generated, and the test actual state is displayed as 'the corresponding test gas source is tested and contains residual gas'; if the residual gas type is inconsistent with the corresponding test gas source, a test actual state is generated, wherein the test actual state is displayed as 'the corresponding test gas source is tested and does not contain residual gas'.

Further, the control based on the airflow detection result and the test actual state includes:

extracting the airflow detection result;

If the air flow detection result is a display character of a first difference value and that the air flow rate of the left air channel transmission pipe does not accord with the standard, the micro fan controls the air flow rate of the left air channel transmission pipe based on the first difference value;

and if the air flow detection result is a second difference value and a display character that the air flow rate of the right air channel transmission pipe does not accord with the standard, controlling the air flow rate of the right air channel transmission pipe based on the second difference value by the micro fan.

Further, the control based on the airflow detection result and the test actual state further includes:

extracting a test actual state;

when the actual testing state shows that the corresponding testing air source is tested and residual air is contained, the micro fan is controlled to remove the residual air in the left air channel transmission pipe or the right air channel transmission pipe; thereby being beneficial to avoiding the residual gas in the upper stage from being fused to enter the next link for detection, and further being beneficial to further improving the accuracy of testing the olfactory state of the tested person;

when the actual testing state is displayed as 'the corresponding testing air source is tested and does not contain residual air', the main air pump, the filter, the remote control multi-way valve, the testing flavor source n, the first valve group, the second valve group, the air flow rate sensor, the micro fan and the electrochemical sensor are controlled to carry out next link detection.

Compared with the prior art, the application has the beneficial effects that:

(1) The application discloses smell transfer olfactory detection equipment and a control method thereof, wherein the equipment is simple in structure, low in cost and diversified in control, the residual gas data of a left gas path transmission pipe and a right gas path transmission pipe are removed through an electrochemical sensor and a gas volume meter matched with a micro fan, and the automatic switching of the next link test is realized, so that the gas fusion at the upper stage is prevented from entering the next link test, the accuracy of the test on the olfactory state of a tested person is improved, the accurate judgment of the olfactory state of the tested person by an auxiliary doctor is facilitated, and the degree of automation is improved;

(2) The application discloses smell transfer smell detection equipment and a control method thereof, wherein the application is provided with compatible equipment which realizes the communication protocol conversion of a medical detection analysis system based on built-in processing logic, thereby being beneficial to solving the problem of incompatibility with various medical detection analysis systems in the prior art and further being beneficial to improving the universality of the smell transfer smell detection equipment;

(3) The application discloses smell transmission olfactory detection equipment and a control method thereof, wherein the application respectively extracts the gas flow rates of a left gas path transmission pipe and a right gas path transmission pipe; and based on the analysis regulation and control, the gas circulation in the left gas path transmission pipe and the right gas path transmission pipe is balanced, discomfort caused by overlarge gas of a tested person is avoided, and further the experience of the tested person is improved.

(4) The application discloses smell transfer olfactory detection equipment and a control method thereof, wherein the smell transfer olfactory detection equipment is beneficial to realizing independent detection of a left nostril or a right nostril of a tested person by controlling the switching of a one-way valve R in a first valve group and a one-way valve L in a second valve group, so that the smell transfer olfactory detection equipment is beneficial to knowing the olfactory disorder degree of an independent nostril of the tested person, and further can provide multi-aspect and multi-angle smell detection service for the tested person.

Drawings

The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate the application and together with the embodiments of the application, serve to explain the application.

FIG. 1 is a schematic diagram of the overall structure of an smell-transmitting smell detection device according to the present application;

fig. 2 is a flowchart illustrating a control method of an smell transmission smell detection device according to the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.

In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Example 1

Referring to fig. 1, the present embodiment discloses an smell transmission and smell detection device, which includes a central control system 10, a main air pump 11, a filter 12 and a main air pipe 13, wherein the main air pipe 13 is respectively connected with a plurality of test smell sources 15 and a gas exchange source 16 through branch air pipes, each two corresponding branch air pipes are respectively connected with the main air pipe 13 through a remote control multi-way valve 14, each test smell source 15 is respectively connected with a first valve group 18 and a second valve group 19 through a group of smell conveying pipes, and each group of smell conveying pipes comprises a smell conveying pipe R and a smell conveying pipe L; the first valve group 18 is internally provided with a plurality of check valves R181 and a ventilation valve R182, the second valve group 19 is internally provided with a plurality of check valves L191 and a ventilation valve L192, the first valve group 18 is connected with a detection object through a left gas path transmission pipe 21, and the second valve group 19 is connected with the detection object through a right gas path transmission pipe 20; the left gas path transmission pipe 21 and the right gas path transmission pipe 20 are respectively provided with a gas flow rate sensor 22, a micro fan 23 and an electrochemical sensor 24; wherein, the liquid crystal display device comprises a liquid crystal display device,

when only the left gas path transmission pipe 21 is used, each test flavor source 15 or the air exchange source 16 is communicated with the left gas path transmission pipe 21 through a flavor transmission pipe R and a one-way valve R181, and the air exchange source 16 is communicated with the right gas path transmission pipe 20 through a flavor transmission pipe L and a one-way valve L191;

When only the right gas path transmission pipe 20 is used, each of the test flavor source 15 or the air exchange source 16 is communicated with the right gas path transmission pipe 20 through the flavor transmission pipe L and the check valve L191, and the air exchange source 16 is communicated with the left gas path transmission pipe 21 through the flavor transmission pipe R and the check valve R181.

Optionally, each of the test flavor source 15 and the air exchange source 16 is connected with a gas heater 17, the gas heater 17 is used for heating each of the test flavor source 15 and the air exchange source 16 to facilitate improving the volatility of the gas, and the plurality of test flavor sources 15 comprise a first test flavor source, a second test flavor source, … and an Nth test flavor source, wherein N is a positive integer greater than zero;

it should be noted that: the central control system 10 is respectively in communication with or/and electrically connected with a main air pump 11, a filter 12, a remote control multi-way valve 14, a test flavor source 15, a gas exchange source 16, a gas heater 17, a one-way valve R181, a gas exchange valve R182, a one-way valve L191, a gas exchange valve L192, a gas flow rate sensor 22, a micro fan 23, an electrochemical sensor 24, a detection device assembly 25 and a compatible device 26;

optionally, the system further comprises a medical detection analysis system 27 and a power supply, wherein the medical detection analysis system 27 is electrically connected with the central control system 10 through a compatible device 26, the medical detection analysis system 27 is also electrically connected with a detection device assembly 25, and an acquisition end of the detection device assembly 25 is arranged on or in front of the body of the detected object and is used for acquiring human body data of the detected object during olfactory detection; the detection device assembly 25 includes, but is not limited to, a camera, heart rate sensor, blood pressure sensor, measurement electrode, and the like;

It is to be understood that: the medical detection analysis system 27 is a system for performing olfactory objective detection, which implements olfactory objective detection of a user by built-in medical detection devices including, but not limited to, a physiological index meter, a nuclear magnetic resonance meter, an electroencephalogram meter, and the like;

optionally, the micro fan 23 includes a micro fan blade and a micro motor, the micro fan blade is disposed in the left air path transmission pipe 21 and the right air path transmission pipe 20, the air flow rate sensor 22 is disposed at a position where one end of the micro fan 23 is close to the first valve group 18 or the second valve group 19, and the electrochemical sensor 24 is disposed at the other end of the micro fan 23;

optionally, a gas volume meter is arranged in each of the test flavor source 15 and the ventilation source 16, and the gas volume meter is used for measuring the residual quantity of the flavor source in each of the test flavor source 15 and one of the ventilation sources 16;

it should be appreciated that: the test flavor source 15 includes test flavor source 1, test flavor sources 2, …, and test flavor source n, n being a positive integer greater than zero; each of the test flavor sources 15 stores different types of gases including a strong-irritation gas, a general-irritation gas, a low-irritation gas, and a non-irritation gas according to an irritation classification; the ventilation source 16 stores a cleaning gas including, but not limited to, pure oxygen or air; further to be described is: the present invention is not limited to the strong-stimulative gas, the general-stimulative gas, the low-stimulative gas, and the non-stimulative gas, and any harmless gas that can be used for olfactory detection can be used as the application object of the strong-stimulative gas, the general-stimulative gas, the low-stimulative gas, and the non-stimulative gas of the present invention, for example: peppermint, onion, tobacco, chilli, garlic and the like, which are classified and attributed according to a preset irritation threshold, and the invention is not repeated;

Example 2

Referring to fig. 2, the disclosure of the present embodiment provides a control method of an smell transmission smell detection device, including:

s101: when a detection object plugs the left gas path transmission pipe and the right gas path transmission pipe into nostrils, a detection request sent by a medical detection analysis system is obtained according to compatible equipment, and a control instruction is generated;

specifically, the protocol conversion module is arranged in the compatible device and is used for acquiring the device type of the medical detection analysis system and carrying out communication protocol conversion on the interaction data according to the device type of the medical detection analysis system; the invention is beneficial to solving the problem that the existing various medical detection and analysis systems are incompatible by converting the communication rules through compatible equipment, thereby being beneficial to improving the universality of the smell transmission smell detection equipment;

it should be noted that: the prestored communication protocol table stores communication rules of the smell transmission smell detection device and communication rules of devices such as a physiological index measuring instrument, a nuclear magnetic resonance instrument, an electroencephalogram instrument and the like existing in the market, wherein the communication rules comprise grammar, semantics, time rules and the like;

specifically, the processing procedure of the compatible device is as follows:

Reading the communication protocol types of the medical detection analysis system and the central control system;

inputting the communication protocol type of the medical detection analysis system and the communication protocol type of the central control system into a pre-stored communication protocol table for traversing, and respectively obtaining the communication rule of the communication protocol type of the medical detection analysis system and the communication rule of the communication protocol type of the central control system;

judging whether the communication rule of the communication protocol type of the medical detection analysis system is consistent with the communication rule of the communication protocol type of the central control system;

if the communication rules are inconsistent, respectively determining a data transmission object and a data receiving object, and converting the communication rules of the data transmission object into the communication rules of the data receiving object based on the communication protocol table;

if the data are consistent, directly transmitting the data;

it should be noted that: in this embodiment, the data transmission object is a medical detection and analysis system, and the data receiving object is a central control system, and if a communication rule of a communication protocol type of the medical detection and analysis system is consistent with a communication rule of a communication protocol type of the central control system, the detection request is directly sent to the central control system, so that the central control system generates a corresponding control instruction, and the corresponding control instruction is formed according to a preset instruction generation rule; otherwise, the communication rule of the communication protocol type of the medical detection analysis system is converted into the communication rule of the communication protocol type of the central control system, and then the detection request is sent to the central control system;

S102: starting a remote control multi-way valve according to a control instruction, controlling the remote control multi-way valve to convey generated air to a test flavor source n, and respectively inputting the corresponding test flavor source into a left-way air channel transmission pipe and a right-way air channel transmission pipe based on a first valve group and a second valve group;

it should be noted that: in the step, a test flavor source n is a test flavor source 1, specifically, a main air pump and a filter are started according to a control instruction, air is conveyed to the filter by the main air pump through air pressure and then conveyed to the test flavor source 1 after being filtered, a corresponding one-way valve R and a corresponding one-way valve L are started according to the control instruction, and the corresponding test flavor source is respectively input into a left-way air channel transmission pipe and a right-way air channel transmission pipe based on a corresponding flavor transmission pipe R, a corresponding flavor transmission pipe L, a corresponding one-way valve R and a corresponding one-way valve L;

specifically, the remote control multi-way valve is controlled to convey generated air to the test flavor source n, and the remote control multi-way valve comprises:

the method comprises the steps of calling a pre-constructed pipeline diagram based on a control instruction, and marking a corresponding remote control multi-directional valve as a target remote control multi-directional valve based on a layout relation of the pipeline diagram;

it should be noted that: the pipeline diagram is pre-stored in a database, serial numbers of each test flavor source and the remote control multi-directional valve are recorded in the pipeline diagram, and layout relations among each test flavor source, each remote control multi-directional valve, a filter and a main gas pipe are recorded, the serial numbers of the remote control multi-directional valves are matched with serial numbers of corresponding test flavor sources one by one, and the serial numbers of one remote control multi-directional valve correspond to the serial numbers of two test flavor sources at most;

Judging whether at least one remote control multi-way valve exists between the target remote control multi-way valve and the filter based on the layout relation of the pipeline diagram;

it should be noted that: judging whether at least one remote control multi-way valve exists between the target remote control multi-way valve and the filter based on the layout relation of the pipeline diagram, wherein if the at least one remote control multi-way valve exists between the target remote control multi-way valve and the filter or the serial number of the at least one remote control multi-way valve exists between the target remote control multi-way valve and the filter, the logic is used for indicating that the at least one remote control multi-way valve exists between the target remote control multi-way valve and the filter; otherwise, the fact that the target remote control multi-way valve is not adjacent to the filter is indicated that the target remote control multi-way valve is not arranged between the target remote control multi-way valve and the filter;

if the air exists, controlling the valve direction of each remote control multi-way valve between the target remote control multi-way valve and the filter, and adjusting the valve direction of the target remote control multi-way valve to convey the generated air to the test flavor source n;

it should be noted that: the remote control multi-way valve has at least three valve directions;

illustrative of the above procedure are: because the test flavor source n in the step is the test flavor source 1, when a plurality of remote control multi-directional valves exist between the target remote control multi-directional valve and the filter, the plurality of remote control multi-directional valves between the target remote control multi-directional valve and the filter are required to be in a certain valve direction, and further the further explanation is that the valve directions of the plurality of remote control multi-directional valves between the target remote control multi-directional valve and the filter are adjusted, so that air flows in the main air pipe and cannot enter the branch air pipe of the non-test flavor source 1; and simultaneously adjusting the valve direction of the target remote control multi-directional valve, and conveying the generated air to the corresponding branch air conveying pipe, so that the air is conveyed to the test flavor source 1 based on the corresponding branch air conveying pipe;

If the air does not exist, directly adjusting the valve direction of the target remote control multi-way valve to convey the generated air to a test flavor source n;

compared with the existing arrangement mode of one gas pipe and one valve, the invention is beneficial to reducing the number of the valves and the equipment cost, and meanwhile, based on the control mode of the remote control multi-directional valve provided by the invention, the invention is beneficial to stably conveying air to the corresponding test flavor source;

s103: collecting data to be analyzed in real time when a detection object sucks a test flavor source through a left gas path transmission pipe and a right gas path transmission pipe respectively; the data to be analyzed comprises human body data, air flow detection data, smell source surplus and residual gas data;

it should be noted that: the human body data includes, but is not limited to, a set of facial images, blood pressure, heart rate, and brain wave data;

s104: analyzing based on the human body data, the air flow detection data, the smell source residual quantity and the residual gas data respectively to obtain an air flow detection result, a test actual state and a first smell detection value;

specifically, the air flow detection data comprise air flow rates of a left air channel transmission pipe and a right air channel transmission pipe; the residual gas data includes a residual gas amount and a residual gas type;

In one embodiment, the analyzing based on the human body data, the air flow detection data, the taste source remaining amount, and the residual air data, respectively, includes:

obtaining a standard gas flow velocity value pre-stored in a database;

respectively extracting the gas flow rates of a left gas path transmission pipe and a right gas path transmission pipe;

marking the difference value between the gas flow rate of the left gas path transmission pipe and the standard gas flow rate value as a first difference value, and marking the difference value between the calculated gas flow rate of the right gas path transmission pipe and the standard gas flow rate value as a second difference value;

judging whether the first difference value and the second difference value are equal to preset reference values, if not, indicating that the gas flow rate of the left gas channel transmission pipe or the gas flow rate of the right gas channel transmission pipe does not meet the standard, and generating an air flow detection result, wherein the air flow detection result comprises a display word of the first difference value and the 'gas flow rate of the left gas channel transmission pipe does not meet the standard', or a display word of the second difference value and the 'gas flow rate of the right gas channel transmission pipe does not meet the standard'; if the flow rate of the gas in the left gas path transmission pipe and the flow rate of the gas in the right gas path transmission pipe are equal to the standard, the gas flow detection result is not required to be generated;

In another embodiment, the analyzing is performed based on the human body data, the air flow detection data, the taste source remaining amount, and the residual air data, respectively, further comprising:

the method comprises the steps of obtaining the residual quantity of a flavor source of a test air source through an air volume meter, and respectively obtaining the residual gas quantity in a left air channel transmission pipe and a right air channel transmission pipe through an electrochemical sensor;

judging whether the residual quantity of the flavor source is smaller than a preset residual threshold value of the flavor source, if so, comparing the type of residual gas in the left gas path transmission pipe or the right gas path transmission pipe with the type of the corresponding test gas source; if the test flavor source is larger than or equal to the left air channel transmission pipe and the right air channel transmission pipe, continuously inputting the corresponding test flavor source into the left air channel transmission pipe and the right air channel transmission pipe respectively;

when the residual gas type in the left gas path transmission pipe or the right gas path transmission pipe is compared with the corresponding test gas source respectively, if the residual gas type is consistent with the corresponding test gas source, a test actual state is generated, and the test actual state is displayed as 'the corresponding test gas source is tested and contains residual gas'; if the residual gas type is inconsistent with the corresponding test gas source, generating a test actual state, wherein the test actual state is displayed as 'the corresponding test gas source is tested and does not contain residual gas';

In a further embodiment step, analyzing based on the human body data, the air flow detection data, the taste source remaining amount, and the residual gas data, respectively, includes: extracting blood pressure, heart rate or brain wave data in the human body data, transmitting the blood pressure, heart rate or brain wave data to a medical detection and analysis system, and performing olfactory objective detection through the medical detection and analysis system to obtain a first olfactory detection value or a first olfactory detection result of a detected object; it should be appreciated that: the olfactory objective detection is the prior art, and is not the key point of the invention, so the invention is not repeated;

s105: controlling based on the air flow detection result and the test actual state to detect the next link;

in one embodiment, the controlling based on the airflow detection result and the test actual state includes:

extracting the airflow detection result;

if the air flow detection result is a display character of a first difference value and that the air flow rate of the left air channel transmission pipe does not accord with the standard, the micro fan controls the air flow rate of the left air channel transmission pipe based on the first difference value;

if the air flow detection result is a second difference value and a display character that the air flow rate of the right air channel transmission pipe does not accord with the standard, controlling the air flow rate of the right air channel transmission pipe based on the second difference value by the micro fan;

In another embodiment, the controlling based on the airflow detection result and the test actual state further includes:

extracting a test actual state;

when the actual testing state shows that the corresponding testing air source is tested and residual air is contained, the micro fan is controlled to remove the residual air in the left air channel transmission pipe or the right air channel transmission pipe; thereby being beneficial to avoiding the residual gas in the upper stage from being fused to enter the next link for detection, and further being beneficial to further improving the accuracy of testing the olfactory state of the tested person;

it should be noted that: the specific process of controlling the micro fan is to adjust the rotating speed of the micro fan to a preset rotating speed value so as to remove residual gas in a left-path gas path transmission pipe or a right-path gas path transmission pipe;

when the actual testing state shows that the corresponding testing air source is tested and does not contain residual air, the main air pump, the filter, the remote control multi-way valve, the testing flavor source n, the first valve group, the second valve group, the air flow rate sensor, the micro fan and the electrochemical sensor are controlled to perform next-stage detection;

it should be noted that: the process of controlling the main air pump, the filter, the remote control multi-way valve, the test flavor source n, the first valve group, the second valve group, the gas flow rate sensor, the micro fan 23 and the electrochemical sensor to detect the next link is consistent with the principle of the test flavor source 1, and details can be referred to above, and redundant description is omitted; it should be noted that: the states of the corresponding check valve R and the check valve L are changed after the replacement of each link;

The following are illustrated: as in fig. 1, it is assumed that the test flavor source 1 is connected to the check valve R1 through the flavor delivery pipe R and to the check valve L1 through the flavor delivery pipe L; the test flavor source 2 is connected with the check valve R2 through the flavor conveying pipe R, is connected with the check valve L2 through the flavor conveying pipe L, is … …, and the like, and the test flavor source n is connected with the check valve Rn through the flavor conveying pipe R, and is connected with the check valve Ln through the flavor conveying pipe L: when the test flavor source 1 is conveyed, the check valves R2 and … … and the check valve Rn are in a closed state, the check valves L2 and … … and the check valve Ln are in a closed state, only the check valves L1 and the check valves R1 are in an open state, at the moment, the main air pump conveys air to the main air conveying pipe through the filter, and conveys the air to the test flavor source 1 under the action of the remote control multi-directional valve, under the action of pressure, the test flavor source 1 is conveyed into the left-path air path conveying pipe and the right-path air path conveying pipe based on the corresponding flavor conveying pipe R, the check valves L1 and the check valves R1, after the test flavor source 1 is released, the check valves R2 are opened, the other check valves R are closed, the check valves L2 are opened, the other check valves L are closed, and then the release detection of the test flavor source 2 is realized based on the steps; cycling based on the steps until all the tested flavor sources are released and detected;

Also to be described is: before the main air pump, the filter, the remote control multi-way valve, the test flavor source n, the first valve group, the second valve group, the gas flow rate sensor, the micro fan 23 and the electrochemical sensor are controlled to carry out the detection of the next link, the detected object can carry out short ventilation and respiration through the clean gas stored in the ventilation source 16 so as to prevent the detected object from generating odor impression residue;

s106: repeating the steps S102-S105 until the detection object stops detecting all the test flavor sources, and obtaining a first olfactory detection result;

it should be noted that: repeating the steps S102-S105 until n is maximum, namely stopping when all the test flavor sources are detected;

also to be described is: the first olfactory detection result comprises a first olfactory detection value, a second olfactory detection value, … and a Kth olfactory detection value, and further comprises a face image set corresponding to each olfactory detection value, wherein the face image set comprises a first face image, a second face image, … and a Kth face image; the method also comprises a qualitative result of olfactory detection, wherein the qualitative result of olfactory detection comprises normal olfaction, slightly invasive olfaction, moderately invasive olfaction, severely invasive olfaction and malfunctioning olfaction.

Example 3

Based on the above embodiment 2, the present embodiment mainly performs olfactory detection around a single air channel transmission pipe for control design, where the single air channel transmission pipe in the present embodiment is a left air channel transmission pipe, and the present embodiment discloses a control method of an olfactory detection device for transmitting smell, and the method further includes:

s201: when a detection object plugs the left-path gas path transmission pipe into a nostril, acquiring a detection request sent by a medical detection analysis system according to compatible equipment, and generating a control instruction;

s202: starting a remote control multi-way valve according to a control instruction, controlling the remote control multi-way valve to convey generated air to a corresponding test flavor source, and inputting the corresponding test flavor source into a left-way gas circuit transmission pipe based on a first valve group and a second valve group;

s203: collecting data to be analyzed in real time when the detection objects respectively inhale the test flavor source through the left-path gas path transmission pipe; the data to be analyzed comprises human body data, air flow detection data, smell source surplus and residual gas data;

s204: analyzing based on the human body data, the air flow detection data, the smell source residual quantity and the residual gas data respectively to obtain an air flow detection result, a test actual state and a first smell detection value;

S205: controlling the corresponding test flavor source, the first valve group, the second valve group and the micro fan based on the air flow detection result and the test actual state so as to detect the next link;

s206: repeating the steps S202-S205 until the detection object stops detecting all the test flavor sources to obtain a second olfactory detection result;

it should be noted that: unlike example 2, when only the left gas path transfer pipe is used, each of the test flavor source or the ventilation source is communicated with the left gas path transfer pipe through the flavor transfer pipe R and the check valve R, and the ventilation source is communicated with the right gas path transfer pipe through the flavor transfer pipe L and the check valve L;

also to be described is: the second olfactory detection result comprises a first olfactory detection value, a second olfactory detection value, … and a Kth olfactory detection value, and further comprises a face image set corresponding to each olfactory detection value, wherein the face image set comprises a first face image, a second face image, … and a Kth face image; the method also comprises a qualitative olfactory detection result, wherein the qualitative olfactory detection result comprises normal olfactory, slightly invasive olfactory, moderately invasive olfactory, severely invasive olfactory and malfunctioning olfactory;

By controlling the switching of the one-way valve R in the first valve group and the one-way valve L in the second valve group, the invention is beneficial to realizing the independent detection of the left nostril of the tested person, thereby being beneficial to knowing the olfactory disorder degree of the independent left nostril of the tested person, and further being capable of providing multi-aspect and multi-angle olfactory detection service for the tested person.

Example 4

Based on the above embodiment 2, the present embodiment mainly performs olfactory detection around a single air channel transmission pipe for control design, where the single air channel transmission pipe in the present embodiment is a right air channel transmission pipe, and the present embodiment discloses a control method of an olfactory detection device for transmitting smell, and the method further includes:

s301: when a detection object plugs the right-path gas path transmission pipe into a nostril, acquiring a detection request sent by a medical detection analysis system according to compatible equipment, and generating a control instruction;

s302: starting a remote control multi-way valve according to a control instruction, controlling the remote control multi-way valve to convey generated air to a corresponding test flavor source, and respectively inputting the corresponding test flavor source into a right-way air channel transmission pipe based on a first valve group and a second valve group;

s303: when a detection object sucks a test flavor source through a right-path gas path transmission pipe, collecting data to be analyzed in real time; the data to be analyzed comprises human body data, air flow detection data, smell source surplus and residual gas data;

S304: analyzing based on the human body data, the air flow detection data, the smell source residual quantity and the residual gas data respectively to obtain an air flow detection result, a test actual state and a first smell detection value;

s305: controlling the corresponding test flavor source, the first valve group, the second valve group and the micro fan based on the air flow detection result and the test actual state so as to detect the next link;

s306: repeating the steps S302-S305 until the detection object stops detecting all the test flavor sources, and obtaining a third olfactory detection result;

it should be noted that: unlike example 2, when only the right gas path transmission pipe is used, each of the test flavor source or the ventilation source is communicated with the right gas path transmission pipe through the flavor transmission pipe L and the check valve L, and the ventilation source is communicated with the left gas path transmission pipe through the flavor transmission pipe R and the check valve R;

also to be described is: the first olfactory detection result comprises a first olfactory detection value, a second olfactory detection value, … and a Kth olfactory detection value, and further comprises a face image set corresponding to each olfactory detection value, wherein the face image set comprises a first face image, a second face image, … and a Kth face image; the method also comprises a qualitative olfactory detection result, wherein the qualitative olfactory detection result comprises normal olfactory, slightly invasive olfactory, moderately invasive olfactory, severely invasive olfactory and malfunctioning olfactory;

By controlling the switching of the one-way valve R in the first valve group and the one-way valve L in the second valve group, the invention is beneficial to realizing the independent detection of the right nostril of the tested person, thereby being beneficial to knowing the olfactory disorder degree of the independent right nostril of the tested person, and further being capable of providing multi-aspect and multi-angle olfactory detection service for the tested person.

Example 5

In order to prevent detection of a detection object from being falsified (for example, a porcelain touching person, which is falsified to make compensation when performing olfactory detection), this embodiment is designed mainly around improving the authenticity of olfactory detection, and this embodiment discloses a control method of an odor transfer olfactory detection device, which further includes:

when the false of the first olfactory detection result is detected, extracting a first detection value and a Kth detection value of the first olfactory detection result, and a first face image and a Kth face image corresponding to the first detection value and the Nth detection value;

calculating the similarity of the first face image and the K-th face image through a cosine similarity algorithm, if the similarity is larger than or equal to a preset similarity threshold value, indicating that the first olfaction detection result is true, and if the similarity is smaller than the preset similarity threshold value, indicating that the first olfaction detection result is false;

When the second olfactory detection result is checked to be true or false, the principle is the same as that of the above checking process of the first olfactory detection result, and the details can be referred to above;

when the third olfactory detection result is checked to be true or false, the principle is the same as that of the above checking process of the first olfactory detection result, and the details can be referred to above;

the invention is favorable for detecting the authenticity of the olfactory detection results of two nostrils or the authenticity of the olfactory detection result of a single nostril by detecting the first olfactory detection result, the second olfactory detection result and the third olfactory detection result.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (12)

1. The smell transmission smell detection device comprises a central control system, a main air pump, a filter and a main air pipe, and is characterized in that the main air pipe is connected with a plurality of test smell sources and a ventilation source through branch air pipes respectively, every two corresponding branch air pipes are connected with the main air pipe through a remote control multi-directional valve respectively, each test smell source is connected with a first valve group and a second valve group through a group of smell conveying pipes respectively, and each group of smell conveying pipes comprises a smell conveying pipe R and a smell conveying pipe L; the first valve group is internally provided with a plurality of one-way valves R and a ventilation valve R, the second valve group is internally provided with a plurality of one-way valves L and a ventilation valve L, the first valve group is connected with a detection object through a left-way gas circuit transmission pipe, and the second valve group is connected with the detection object through a right-way gas circuit transmission pipe; the left gas path transmission pipe and the right gas path transmission pipe are respectively provided with a gas flow rate sensor, a micro fan and an electrochemical sensor; wherein, the liquid crystal display device comprises a liquid crystal display device,

when only the left gas path transmission pipe is used, each test flavor source or ventilation source is communicated with the left gas path transmission pipe through a flavor transmission pipe R and a one-way valve R, and the ventilation source is communicated with the right gas path transmission pipe through a flavor transmission pipe L and a one-way valve L;

When only the right-way gas path transmission pipe is used, each test flavor source or ventilation source is communicated with the right-way gas path transmission pipe through a flavor transmission pipe L and a one-way valve L, and the ventilation source is communicated with the left-way gas path transmission pipe through a flavor transmission pipe R and a one-way valve R.

2. An odor delivery olfactory testing device of claim 1, wherein each of said test odor source and said ventilation source is connected to a gas heater, and said central control system is in communication with or/and electrically connected to a main air pump, a filter, a remote control multi-way valve, a test odor source, a ventilation source, a gas heater, a one-way valve R, a ventilation valve R, a one-way valve L, a ventilation valve L, a gas flow rate sensor, a micro fan, an electrochemical sensor, a testing device assembly, and a compatible device, respectively.

3. The smell delivery smell detection device of claim 2, further comprising a medical detection analysis system and a power supply, wherein the medical detection analysis system is electrically connected with the central control system through a compatible device, the medical detection analysis system is also electrically connected with a detection device component, and an acquisition end of the detection device component is arranged on or in front of the body of the detection object and is used for acquiring human body data of the detection object when the detection object performs smell detection; the detection device assembly includes, but is not limited to, a camera, a heart rate sensor, a blood pressure sensor, and a measurement electrode.

4. A scent delivery olfactory detection device according to claim 3, wherein the micro fan comprises a micro fan blade and a micro motor, the micro fan blade is disposed inside the left air channel transmission pipe and the right air channel transmission pipe, the gas flow rate sensor is disposed at one end of the micro fan near the first valve group or the second valve group, and the electrochemical sensor is disposed at the other end of the micro fan.

5. A control method of an odor-transmitting smell detection device according to any one of claims 1 to 4, characterized in that the method comprises:

s101: when a detection object plugs the left gas path transmission pipe and the right gas path transmission pipe into nostrils, a detection request sent by a medical detection analysis system is obtained according to compatible equipment, and a control instruction is generated;

s102: starting a remote control multi-way valve according to a control instruction, controlling the remote control multi-way valve to convey generated air to a test flavor source n, and respectively inputting the corresponding test flavor source into a left-way air channel transmission pipe and a right-way air channel transmission pipe based on a first valve group and a second valve group;

s103: collecting data to be analyzed in real time when a detection object sucks a test flavor source through a left gas path transmission pipe and a right gas path transmission pipe respectively; the data to be analyzed comprises human body data, air flow detection data, smell source surplus and residual gas data;

S104: analyzing based on the human body data, the air flow detection data, the smell source residual quantity and the residual gas data respectively to obtain an air flow detection result, a test actual state and a first smell detection value;

s105: controlling based on the air flow detection result and the test actual state to detect the next link;

s106: repeating the steps S102-S105 until the detection object stops detecting all the test flavor sources, and obtaining a first olfactory detection result.

6. The method for controlling a scent delivery smell detection device according to claim 5, wherein the compatible device has a built-in protocol conversion module, and the protocol conversion module is configured to obtain a device type of a medical detection analysis system, and perform communication protocol conversion on interaction data according to the device type of the medical detection analysis system.

7. The method for controlling an odor delivery scent detection device of claim 6, wherein said compatible device is processed as follows:

reading the communication protocol types of the medical detection analysis system and the central control system;

inputting the communication protocol type of the medical detection analysis system and the communication protocol type of the central control system into a pre-stored communication protocol table for traversing, and respectively obtaining the communication rule of the communication protocol type of the medical detection analysis system and the communication rule of the communication protocol type of the central control system;

Judging whether the communication rule of the communication protocol type of the medical detection analysis system is consistent with the communication rule of the communication protocol type of the central control system;

if the communication rules are inconsistent, respectively determining a data transmission object and a data receiving object, and converting the communication rules of the data transmission object into the communication rules of the data receiving object based on the communication protocol table;

if the data are consistent, the data transmission is directly carried out.

8. The method of claim 7, wherein controlling the remotely controlled multi-directional valve to deliver the generated air to the test scent source n comprises:

the method comprises the steps of calling a pre-constructed pipeline diagram based on a control instruction, and marking a corresponding remote control multi-directional valve as a target remote control multi-directional valve based on a layout relation of the pipeline diagram;

judging whether at least one remote control multi-way valve exists between the target remote control multi-way valve and the filter based on the layout relation of the pipeline diagram;

if the air exists, controlling the valve direction of each remote control multi-way valve between the target remote control multi-way valve and the filter, and adjusting the valve direction of the target remote control multi-way valve to convey the generated air to the test flavor source n;

if not, directly adjusting the valve direction of the target remote control multi-directional valve to convey the generated air to the test flavor source n.

9. The control method of an odor delivery smell detection device of claim 8, wherein the airflow detection data comprises gas flow rates of a left gas path transmission pipe and a right gas path transmission pipe; the residual gas data includes a residual gas amount and a residual gas type; based on the human body data, the air flow detection data, the smell source remaining amount and the residual gas data, respectively, the method comprises the following steps:

obtaining a standard gas flow velocity value pre-stored in a database;

respectively extracting the gas flow rates of a left gas path transmission pipe and a right gas path transmission pipe;

marking the difference value between the gas flow rate of the left gas path transmission pipe and the standard gas flow rate value as a first difference value, and marking the difference value between the calculated gas flow rate of the right gas path transmission pipe and the standard gas flow rate value as a second difference value;

judging whether the first difference value and the second difference value are equal to preset reference values, if not, indicating that the gas flow rate of the left gas channel transmission pipe or the gas flow rate of the right gas channel transmission pipe does not meet the standard, and generating an air flow detection result, wherein the air flow detection result comprises a display word of the first difference value and the 'gas flow rate of the left gas channel transmission pipe does not meet the standard', or a display word of the second difference value and the 'gas flow rate of the right gas channel transmission pipe does not meet the standard'; if the flow rate of the gas in the left gas path transmission pipe and the flow rate of the gas in the right gas path transmission pipe are equal to the standard, the gas flow detection result is not required to be generated.

10. The control method of an odor delivery smell detection device of claim 9, wherein the analysis is based on human body data, air flow detection data, smell source remaining amount, and residual gas data, respectively, further comprising:

the method comprises the steps of obtaining the residual quantity of a flavor source of a test air source through an air volume meter, and respectively obtaining the residual gas quantity in a left air channel transmission pipe and a right air channel transmission pipe through an electrochemical sensor;

judging whether the residual quantity of the flavor source is smaller than a preset residual threshold value of the flavor source, if so, comparing the type of residual gas in the left gas path transmission pipe or the right gas path transmission pipe with the type of the corresponding test gas source; if the test flavor source is larger than or equal to the left air channel transmission pipe and the right air channel transmission pipe, continuously inputting the corresponding test flavor source into the left air channel transmission pipe and the right air channel transmission pipe respectively;

when the residual gas type in the left gas path transmission pipe or the right gas path transmission pipe is compared with the corresponding test gas source respectively, if the residual gas type is consistent with the corresponding test gas source, a test actual state is generated, and the test actual state is displayed as 'the corresponding test gas source is tested and contains residual gas'; if the residual gas type is inconsistent with the corresponding test gas source, a test actual state is generated, wherein the test actual state is displayed as 'the corresponding test gas source is tested and does not contain residual gas'.

11. The control method of an odor delivery smell detection device of claim 10, wherein controlling based on the airflow detection result and the test actual state comprises:

extracting the airflow detection result;

if the air flow detection result is a display character of a first difference value and that the air flow rate of the left air channel transmission pipe does not accord with the standard, the micro fan controls the air flow rate of the left air channel transmission pipe based on the first difference value;

and if the air flow detection result is a second difference value and a display character that the air flow rate of the right air channel transmission pipe does not accord with the standard, controlling the air flow rate of the right air channel transmission pipe based on the second difference value by the micro fan.

12. The control method of an odor delivery smell detection device of claim 11, wherein the control is based on the airflow detection result and the test actual state, further comprising:

extracting a test actual state;

when the actual testing state shows that the corresponding testing air source is tested and residual air is contained, the micro fan is controlled to remove the residual air in the left air channel transmission pipe or the right air channel transmission pipe; thereby being beneficial to avoiding the residual gas in the upper stage from being fused to enter the next link for detection, and further being beneficial to further improving the accuracy of testing the olfactory state of the tested person;

When the actual testing state is displayed as 'the corresponding testing air source is tested and does not contain residual air', the main air pump, the filter, the remote control multi-way valve, the testing flavor source n, the first valve group, the second valve group, the air flow rate sensor, the micro fan and the electrochemical sensor are controlled to carry out next link detection.