JP7488558B2 - Biological information measuring device and biological information measuring system - Google Patents

Description

The present invention relates to a biological information measuring device and a biological information measuring system.

In recent years, alcohol checks using alcohol detection devices have become common for drivers of commercial vehicles, aircraft, ships, trains, etc. during roll calls, etc.

At this point, there is a possibility that fraudulent conduct may occur, such as someone impersonating the person who should be conducting the alcohol test and conducting the alcohol test. In order to prevent such fraud, there are devices that take a picture of the face of the person undergoing the alcohol test, as disclosed in Patent Documents 1 and 2.

Furthermore, Patent Document 3 discloses an alcohol measurement system in which an alcohol measurement device outputs a flashing light signal emitted by a light-emitting device as an image acquisition command during measurement. As a result, if an image captured by the imaging device contains a flashing light signal that is an image acquisition command during measurement, the imaging device acquires an image during alcohol measurement.

Patent document 4 discloses a mobile phone equipped with an alcohol detection device that has a cylindrical breath introduction section extending from the case of the phone body. One end of this breath introduction section is supported by a universal joint that can rotate relative to the case, and the other end is equipped with a mouthpiece through which the test subject blows their breath.

Japanese Patent No. 4063663 JP 2014-119943 A JP 2019-164028 A JP 2005-72765 A

Here, in the alcohol measurement system disclosed in Patent Document 3, in addition to the face of the person being measured, the image during alcohol measurement also includes the light-emitting device that indicates that the alcohol measurement device has been used to measure the alcohol, which is expected to be more effective in preventing fraud. However, the alcohol measurement system disclosed in Patent Document 3 requires a light-emitting device that is a dedicated component for indicating that the alcohol measurement device has been used to measure the alcohol, which increases manufacturing costs.

In addition, the mobile phone disclosed in Patent Document 4 has an exhalation air inlet supported by a rotatable universal joint. Because the exhalation air inlet is connected to the back of the mobile phone, the alcohol test results displayed on a display unit normally provided on mobile phones are also photographed together with the subject's face. However, because the exhalation air inlet is connected to the back of the mobile phone, the mobile phone is positioned in front of the subject's face during alcohol detection. Therefore, even if an attempt is made to photograph the face of the subject undergoing alcohol detection with a camera, the subject's face will be blocked by the mobile phone. In addition, because the exhalation air inlet is connected to the back of the mobile phone, it is difficult to provide an exhalation air outlet downstream in the direction of the exhalation flow, and there is a concern that saliva may flow into the main body.

As such, there is room for improvement in preventing saliva from entering the main body of the breathalyzer while simultaneously capturing an image of the display unit of the breathalyzer and the face of the person being measured, in order to improve the effectiveness of fraud prevention.

The bioinformation measuring device of one aspect of the present invention includes a display unit provided on the front of a main body unit and displaying information, an exhalation inlet provided on the outer circumferential surface of the main body unit and connected to a measurement sensor, through which the exhalation of the subject flows, and a blowing member attached to the outer circumferential surface on which the exhalation inlet is provided, with an inlet for the exhalation of the subject located on the rear side of the main body unit.

According to this configuration, when the subject blows breath into the blowing port of the blowing member to perform the measurement, the subject's face will be located on the rear side of the main body. Therefore, by positioning the camera to capture the front of the main body, it is possible to simultaneously capture the information displayed on the display and the subject's face, and the blowing member can be positioned to minimize the portion of the face hidden by the main body. Furthermore, according to this configuration, by positioning the blowing member on the outer circumferential surface of the main body, an exhalation outlet can be provided downstream of the flow of exhaled breath, and saliva can be prevented from flowing into the main body.

In the above bioinformation measuring device, the breath inlet may be provided on a side of the main body. For example, if the breath inlet is attached to the top side of the main body, there is a risk that saliva that reaches the breath inlet from the blowing member may flow into the inside of the main body due to gravity. However, if the breath inlet is provided on the side of the main body, saliva is less likely to move laterally against gravity, so it is possible to prevent saliva from flowing into the inside of the main body.

In the above bioinformation measuring device, the blowing member is a hollow member extending from the rear side to the front side of the main body, with one end serving as the blowing port and the other end serving as an exhaust port for discharging exhaled air, and the blowing port may be located behind the rear side of the main body, and the exhaust port may be located forward of the front side of the main body. According to this configuration, by positioning the exhaust port forward of the front side of the main body, it is possible to prevent saliva discharged from the exhaust port from adhering to the main body.

In the above-mentioned bioinformation measuring device, the blowing member may be attached to the outer peripheral surface of the main body at an angle so that the blowing port is located above the attachment part provided on the outer peripheral surface of the main body. With this configuration, when taking an image from the front side of the main body, the area of the subject's face that is hidden by the main body can be reduced. Also, with this configuration, saliva contained in the exhaled breath flows downward, so that the flow of saliva into the main body can be suppressed.

In the above bioinformation measuring device, the blowing member and the attachment portion provided on the outer circumferential surface of the main body are detachable by fitting between a concave shape and a convex shape. This configuration allows the blowing member to be easily attached and detached from the main body.

In the above-mentioned bioinformation measuring device, the concave shape and the convex shape may be shaped so that the blowing member can be attached only when the blowing port is located behind the rear surface of the main body and is oriented above the main body. This configuration makes it possible to prevent the blowing member from being attached in the wrong direction.

In the above-mentioned bioinformation measuring device, the outlet may be formed with a notch that discharges the exhaled air in a direction different from the front of the main body. With this configuration, the exhaled air discharged from the notch is not directed toward the display unit, so that fogging of the display unit by the exhaled air can be suppressed.

The above-mentioned bioinformation measuring device may be provided with a notification unit that notifies the subject of the timing to start measurement. With this configuration, the subject can know the timing to start measuring the bioinformation without visually checking the display unit, and measurement failures can be reduced.

The above-mentioned biological information measuring device may be provided with an operation unit that is operated when starting the measurement. With this configuration, the subject can perform the measurement at his/her own timing.

In the above-mentioned bioinformation measuring device, the operating unit may be provided on the back surface of the main body. With this configuration, the subject can operate the operating unit, for example, with his/her thumb while holding the blowing member in his/her mouth, so that the subject can easily operate the bioinformation measuring device.

The above-mentioned biometric information measuring device may include a transmitting means for transmitting the measurement results to an information processing device. With this configuration, the measurement results can be stored in an information processing device other than the biometric information measuring device.

In the above biometric measuring device, an extension member that extends the blowing member may be attached to the blowing port in a detachable manner. With this configuration, the extension member allows the position of the face of the biometric measuring device and the person being measured to be adjusted.

In the above-mentioned bioinformation measuring device, the extension member may be attached to the air inlet via a holding member that is detachable from the air inlet. According to this configuration, since the extension member is detachable from the holding member, the used extension member can be discarded or washed, and the bioinformation measuring device can be kept clean.

In the above-mentioned bioinformation measuring device, the holding member may be provided with a rotation prevention portion that prevents rotation in the circumferential direction of the blowing port. With this configuration, it is possible to prevent a decrease in measurement accuracy due to the holding member rotating while blowing in the breath and changing the state of the breath flowing into the bioinformation measuring device.

The bioinformation measuring system of one aspect of the present invention comprises a bioinformation measuring device having a display unit provided on the front of a main body unit and displaying information, an exhalation inlet provided on the outer periphery of the main body unit and connected to a measurement sensor, through which the exhalation of the subject flows, and a blowing member attached to the outer periphery on which the exhalation inlet is provided and having an inlet for the exhalation of the subject located on the rear side of the main body unit, and a photographing device arranged so that the display unit of the bioinformation measuring device and the face of the subject holding the inlet are included in the angle of view.

According to the present invention, in order to improve the effectiveness of fraud prevention, it is possible to simultaneously capture an image of the display unit of the breathalyzer and the face of the person being measured, while preventing saliva from entering the main body of the breathalyzer.

FIG. 1 is a schematic diagram of an alcohol detection system according to the present embodiment. FIG. 2 is a functional block diagram of the alcohol detection system according to the present embodiment. FIG. 3 is an external view of the alcohol detection device of this embodiment, where (A) is a front perspective view of the alcohol detection device, and (B) is a rear perspective view of the alcohol detection device. 4A and 4B are external views of the breathalyzer of this embodiment with the mouthpiece removed, where (A) is a front perspective view of the breathalyzer, and (B) is a rear perspective view of the breathalyzer. FIG. 5 is a schematic diagram showing the expiratory air inlet of this embodiment. FIG. 6 is a schematic diagram showing the photographing state by the alcohol detection system of this embodiment, in which (A) shows the positional relationship between the alcohol detection device, the subject, and the camera, and (B) shows an image photographed by the camera. FIG. 7 is an external view of the mouthpiece of this embodiment, where (A) is a bottom view of the mouthpiece, and (B) is a side view of the mouthpiece. FIG. 8 is a schematic diagram showing the positional relationship between the breathalyzer, the subject, and the camera with the straw attached. FIG. 9 is an external view of the straw-holding attachment of this embodiment, in which (A) shows the straw-holding attachment attached to the mouthpiece, and (B) is a rear perspective view of the straw-holding attachment. 10A and 10B are external views showing an attachment portion of a mouthpiece in the alcohol detection device, where (A) is a front view of the alcohol detection device and (B) is a rear view of the alcohol detection device. 11A and 11B are external views showing an attachment portion of a mouthpiece in the alcohol detection device, where (A) is a left side view of the alcohol detection device, and (B) is a right side view of the alcohol detection device. 12A and 12B are external views showing an attachment portion of a mouthpiece in the alcohol detection device, where (A) is a top view of the alcohol detection device and (B) is a bottom view of the alcohol detection device. FIG. 13 is an external view showing an attachment portion of a mouthpiece in the alcohol detection device, where (A) is a front perspective view of the alcohol detection device, and (B) is a rear perspective view of the alcohol detection device.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Note that the embodiment described below is an example of how the present invention can be implemented, and the present invention is not limited to the specific configuration described below. When implementing the present invention, a specific configuration according to the embodiment may be appropriately adopted.

In this embodiment, the biometric information is the alcohol concentration contained in the breath of the person being measured, and the biometric information measuring device is an alcohol detection device. In this embodiment, the people being measured are, as examples, the pilot and flight attendant who are crew members of an aircraft. The aircraft is, for example, a passenger plane or a cargo plane, but is not limited to these, and may be other aircraft such as a business jet.

FIG. 1 is a schematic diagram of an alcohol detection system 10 according to this embodiment. The alcohol detection system 10 includes an alcohol detection device 12, a tablet terminal 14, and an authentication server 16. In this embodiment, as an example, each person to be tested owns an alcohol detection device 12 and a tablet terminal 14, but this is not limited thereto, and multiple people to be tested may share one alcohol detection device 12, or multiple people to be tested may share one tablet terminal 14.

The alcohol detection device 12 is a device that measures the alcohol concentration from the breath of the subject (hereinafter also referred to as "alcohol detection"), and is equipped with a mouthpiece 22, a display unit 24, and an operation unit 26 on a main body unit 20.

An inlet 22A and an outlet 22B are formed at both ends of the mouthpiece 22. When the person being measured holds the inlet 22A close to their mouth and blows into it, the alcohol concentration in the breath blown into the mouthpiece 22 is measured, and the breath blown into the mouthpiece 22 is discharged from the outlet 22B.

The display unit 24 is provided on the front surface 20A of the main body 20 and displays information. Examples of the information displayed on the display unit 24 include an alcohol measurement value and a device-specific ID. The alcohol measurement value is the measurement result of the alcohol concentration contained in the breath of the person being measured. The device-specific ID is identification information that is uniquely set for each alcohol detection device 12.

The operation unit 26 is operated by the subject, and includes a power button for turning the alcohol detection device 12 on or off, a measurement start button for starting alcohol detection, and a setting button for changing various settings, etc.

The tablet terminal 14 is a portable information processing device and includes a computer such as a CPU (Central Processing Unit) capable of executing programs, a storage device such as an SSD (Solid State Drive), a communication device for connecting to the Internet or an intranet, various connectors, a touch panel display 30 that displays images and accepts operations on the tablet terminal 14, a camera 32 that captures an image of a subject, and an operation unit 34 that accepts operations on the tablet terminal 14.

The tablet terminal 14 receives the alcohol measurement value and the like transmitted from the alcohol detection device 12. When the subject undergoes alcohol detection using the alcohol detection device 12, the camera 32 captures an image of the subject's face and the display unit 24 so that they are included in the angle of view A, and displays the captured image on the touch panel display 30. The tablet terminal 14 then transmits the alcohol measurement value, image information acquired by the image capture by the camera 32 (hereinafter referred to as "camera image information"), and the like to the authentication server 16.

In addition, application software (hereinafter referred to as the "alcohol detection app") for performing alcohol detection processing using the alcohol detection device 12 is installed on the tablet terminal 14. When performing alcohol detection, the subject starts up the alcohol detection app on the tablet terminal 14 and performs alcohol detection according to the procedures indicated by the alcohol detection app. Furthermore, the alcohol detection app displays not only the alcohol detection procedures but also the authentication results received from the authentication server 16 on the touch panel display 30.

The authentication server 16 is an information processing device that includes a computer such as a CPU (Central Processing Unit) capable of executing a program, a storage device such as a HDD (Hard Disk Drive), a communication device for connecting to the Internet or an intranet, various connectors, etc. The authentication server 16 of this embodiment performs various information processing such as identity verification of the person being tested, and pre-stores various pieces of information required for identity verification as described in detail below, and sequentially stores the measurement results (alcohol measurement values) obtained by the alcohol detection device 12 in association with the person being tested.

In the alcohol detection system 10 of this embodiment, information is transmitted and received between the alcohol detection device 12 and the tablet terminal 14 by wired communication using, for example, a USB (Universal Serial Bus) cable 38, but this is not limiting and information may be transmitted and received by short-range wireless communication such as Bluetooth. In addition, information is transmitted and received between the tablet terminal 14 and the authentication server 16 via the Internet or an intranet via wireless communication such as Wi-Fi.

The alcohol detection system 10 configured in this way performs identity verification to determine whether the person being tested is the person performing alcohol detection using the alcohol detection device 12. In other words, the alcohol detection system 10 of this embodiment prevents someone other than the person being tested from impersonating the person being tested and performing unauthorized alcohol detection. More specifically, the authentication server 16 performs facial authentication of the person being tested using an image captured by the camera 32, and authenticates whether the alcohol detection device 12 is the one that the person being tested should be using by reading the device-specific ID displayed on the display unit 24 of the alcohol detection device 12.

Figure 2 is a functional block diagram of the alcohol detection process executed by the alcohol detection system 10 of this embodiment. In this embodiment, each function shown in Figure 2 is executed by, as an example, a computer provided in the alcohol detection device 12, the tablet terminal 14, and the authentication server 16. However, this is not limited to this, and each function may be realized by individual hardware such as an ASIC (Application Specific Integrated Circuit) provided in the alcohol detection device 12, the tablet terminal 14, and the authentication server 16.

The alcohol detection device 12 includes an operation control unit 40, an alcohol sensor 41, an image display control unit 42, a memory unit 43, a data transmission/reception unit 44, and an alarm unit 45.

The operation control unit 40 accepts operations performed by the subject on the operation unit 26, and performs control in response to the operations, such as turning the alcohol detection device 12 on and off, and instructing the start of alcohol detection.

After the measurement start button included in the operation unit 26 is operated, the alcohol sensor 41 measures the alcohol concentration contained in the breath blown through the mouthpiece 22 and outputs the alcohol measurement value.

The image display control unit 42 controls the display state of the display unit 24, such as displaying the alcohol measurement value and the device-specific ID, etc.

The memory unit 43 stores the device-specific ID of the alcohol detection device 12, the setting status of the alcohol detection device 12, etc.

The data transmission/reception unit 44 transmits and receives information between the tablet terminal 14 and other information processing devices via wired or wireless communication, and transmits the alcohol measurement value to the other information processing devices. Note that this corresponds to claim 8. The bottom surface 20D (see Figures 3 and 4) of the alcohol detection device 12 has a built-in connector for USB connection to the tablet terminal 14, etc.

The notification unit 45 notifies the subject of the timing to start measurement. In this embodiment, the notification unit 45 is, for example, a speaker, and the subject blows breath into the mouthpiece 22 in response to the sound from the speaker. Note that the notification unit 45 is not limited to a speaker, and may be, for example, a vibration generating unit that generates vibrations.

The tablet terminal 14 includes an operation control unit 50, a camera control unit 51, an image display control unit 52, a memory unit 53, and a data transmission/reception unit 54.

The operation control unit 50 accepts operations by the subject on the touch panel display 30 and the operation unit 34, and performs control in response to the operations, such as running an alcohol detection app.

The camera control unit 51 controls the camera 32 in response to the operation by the subject.

The image display control unit 52 controls the image display on the touch panel display 30. In this embodiment, the image display control unit 52 causes the touch panel display 30 to display the image captured by the camera 32 and the authentication result by the authentication server 16.

The memory unit 53 stores the alcohol detection app and camera image information, etc.

The data transmission/reception unit 54 transmits and receives information between the alcohol detection device 12, the authentication server 16, and other information processing devices via a wired or wireless connection. In this embodiment, the data transmission/reception unit 54 transmits the alcohol measurement value and camera image information transmitted from the alcohol detection device 12 to the authentication server 16, and receives authentication results, etc. from the authentication server 16.

The authentication server 16 includes a data transmission/reception unit 60, a memory unit 61, an ID determination unit 62, and a face authentication unit 63.

The data transmission/reception unit 60 receives camera image information, etc. sent from the tablet terminal 14, and sends authentication results, etc. to the tablet terminal 14.

The memory unit 61 stores a list of subjects and an ID list. The list of subjects includes various registered information such as the subject's name and affiliation, as well as image information showing the subject's face (hereinafter referred to as "registered face image information"), registered for each registered subject. The ID list registers the device-specific IDs of the alcohol detection devices 12 used in the alcohol detection system 10 in association with the subjects. In other words, the alcohol detection devices 12 to be used by the subjects are managed by the device-specific IDs. The memory unit 61 also stores the alcohol measurement values, camera image information, etc. transmitted from the tablet terminal 14 for each registered subject.

The ID determination unit 62 extracts a device-specific ID from the camera image information. Then, based on the extracted device-specific ID, the ID determination unit 62 determines that the subject is undergoing alcohol detection using an appropriate alcohol detection device 12. In this embodiment, the ID determination unit 62 determines that the subject is undergoing alcohol detection using a predetermined alcohol detection device 12 when the device-specific ID extracted from the camera image information matches the device-specific ID registered for the subject in the ID list.

The face authentication unit 63 of this embodiment performs face authentication of the person being measured based on face image information showing the face of the person being measured shown by the camera image information. The face authentication unit 63 of this embodiment performs face authentication of the person being measured using face image information showing the face of the person being measured shown by the camera image information and registered face image information that is registered in advance in the person being measured list. The face authentication unit 63 also has a function of extracting the face of the person being measured from the camera image information and acquiring face image information.

Next, the details of the configuration of the alcohol detection device 12 will be described with reference to Figures 3 and 4.

Figure 3 is an external view of the alcohol detection device 12 of this embodiment, and Figure 4 is an external view of the alcohol detection device 12 of this embodiment with the mouthpiece 22 removed. Figures 3(A) and 4(A) are front perspective views of the alcohol detection device 12, and Figures 3(A) and 4(B) are rear perspective views of the alcohol detection device 12.

When the camera 32 captures an image of the device-specific ID displayed on the display unit 24 of the alcohol detection device 12 and the face of the person being tested, the display unit 24 and the face of the person being tested need to be positioned in front of the camera 32. However, in conventional alcohol detection devices 12, when the face of the person being tested is positioned in front of the camera 32, the display unit 24 is not always in front of the camera 32, and when the display unit 24 is positioned in front of the camera 32, the face of the person being tested is not always in front of the camera 32.

The alcohol detection device 12 of this embodiment is provided with an exhalation inlet 27 that is provided on the outer circumferential surface of the main body 20 and leads to the alcohol sensor 41, through which the subject's exhaled breath flows. The mouthpiece 22 of this embodiment is attached to the outer circumferential surface on which the exhalation inlet 27 is provided, and the mouthpiece 22A for the subject's exhaled breath is located on the rear surface 20C side of the main body 20.

The breath inlet 27 of this embodiment is provided on the side surface 20B of the main body 20. FIG. 5 is a schematic diagram showing the breath inlet 27 of this embodiment, showing a vertical cross section of the main body 20. As shown in FIG. 5, the breath of the subject flowing in from the breath inlet 27 provided on the side surface 20B is sent by a pump (not shown) to the alcohol sensor 41 built into the main body 20.

Here, for example, if the breath inlet 27 is attached to the top surface 20E of the main body 20, there is a risk that saliva that reaches the breath inlet 27 will flow into the inside of the main body 20 due to gravity. However, if the breath inlet 27 is provided on the side surface 20B of the main body 20 as in this embodiment, saliva is less likely to move laterally against gravity, so saliva can be prevented from flowing into the inside of the main body 20.

Figure 6 is a schematic diagram showing the state of photography by the alcohol detection system 10 of this embodiment. Figure 6 (A) shows the positional relationship between the alcohol detection device 12, the subject, and the camera 32, and Figure 6 (B) shows an image captured by the camera 32.

As shown in FIG. 6(A), according to the configuration of the alcohol detection device 12 of this embodiment, when the subject blows breath into the mouthpiece 22A to perform the measurement, the subject's face is located on the rear surface 20C side of the main body 20. Therefore, in the alcohol detection system 10 of this embodiment, by positioning the camera 32 to capture the front surface 20A of the main body 20, the subject's face and the display unit 24 are included in the same angle of view A, and it is possible to simultaneously capture the information displayed on the display unit 24 (the device-specific ID and alcohol measurement value) and the subject's face, thereby improving the effectiveness of preventing fraud. Furthermore, according to the configuration of the alcohol detection device 12 of this embodiment, the mouthpiece 22 can be positioned to minimize the portion of the face hidden by the main body 20.

In addition, by arranging the mouthpiece 22 on the side surface 20B, the alcohol detection device 12 of this embodiment can provide an outlet 22B downstream of the flow of exhaled air. This causes saliva contained in the exhaled air to flow downward, preventing the saliva from flowing into the main body 20. As a result, the alcohol detection device 12 can be kept in good hygienic condition and can also be prevented from being soiled by saliva. Furthermore, this configuration makes it difficult for saliva to adhere to the alcohol detection device 12, so even when multiple subjects share one alcohol detection device 12, a higher level of hygiene can be maintained, which also contributes to the prevention of infectious diseases such as colds transmitted through saliva.

Furthermore, the mouthpiece 22 of this embodiment is a hollow member that has one end as an inlet 22A and the other end as an outlet 22B for discharging exhaled air, and extends from the rear surface 20C side to the front surface 20A side of the main body 20. The inlet 22A of the mouthpiece 22 is located behind the rear surface 20C of the main body 20, and the outlet 22B is located forward of the front surface 20A of the main body 20. In other words, the inlet 22A of the mouthpiece 22 is provided at a position protruding from the rear surface 20C of the main body 20, and the outlet 22B is provided at a position protruding from the front surface 20A of the main body 20. In this way, by having the outlet 22B located forward of the front surface 20A of the main body 20, it is possible to prevent saliva discharged from the outlet 22B from adhering to the main body 20.

In addition, the mouthpiece 22 in this embodiment is, as an example, cylindrical with a circular cross section, but is not limited to this, and the cross section may be polygonal, such as a square.

The mouthpiece 22 in this embodiment has a linear shape. If the mouthpiece 22 were provided with a bent portion, it would be easier to align the camera 32, the subject's face, and the display unit 24. However, condensation would be more likely to occur at the bent portion, and alcohol components would accumulate in the condensation, which could prevent accurate alcohol detection. For this reason, in this embodiment, the mouthpiece 22 has a linear shape, which makes it less likely for condensation to occur within the mouthpiece 22 and enables more accurate alcohol detection.

The mouthpiece 22, which has a linear shape, is attached to the outer peripheral surface (side surface 20B) of the main body 20 at an incline so that the blowing port 22A is located above the attachment portion 28 provided on the outer peripheral surface (side surface 20B) of the main body 20. That is, as shown in FIG. 6(A), the mouthpiece 22 is attached to the main body 20 at an inclination angle θ. Note that the inclination angle θ is preferably within the range of 20° to 90° with respect to the longitudinal direction of the main body 20.

With this configuration, when photographing from the front 20A side of the main unit 20, as shown in FIG. 6(B), the subject's face is positioned above the main unit 20, so the area of the subject's face hidden by the main unit 20 can be reduced. Note that part of the subject's face, such as the mouth, may be hidden by the main unit 20, but at least the subject's eyes and nose must be photographed by the camera 32 for facial authentication. In addition, by attaching the mouthpiece 22 at an angle to the side 20B, saliva contained in the exhaled air flows downward, preventing saliva from flowing into the main unit 20.

In addition, the mouthpiece 22 of this embodiment and the attachment portion 28 provided on the outer peripheral surface (side surface 20B) of the main body portion 20 are detachable by fitting together a concave shape and a convex shape.

Figure 7 is an external view of the mouthpiece 22 of this embodiment, with Figure 7(A) being a bottom view of the mouthpiece 22 and Figure 7(B) being a side view of the mouthpiece 22. The bottom surface 22C of the mouthpiece 22 shown in Figure 7(A) abuts against the side surface 20B of the main body 20, and the mouthpiece 22 is attached to the main body 20.

As shown in FIG. 7(A), the bottom surface 22C of the mouthpiece 22 is provided with an opening 70 that fits with the attachment portion 28 of the main body 20. That is, as shown in FIG. 4, the attachment portion 28 of this embodiment is convex and can fit with the opening 70 of the mouthpiece 22, which is concave. This configuration allows the mouthpiece 22 and the main body 20 to be easily attached and detached. Note that the mouthpiece 22 may be convex and the attachment portion 28 of the main body 20 may be concave.

The concave and convex shapes are such that the mouthpiece 22 can be attached only when the mouthpiece 22A is positioned rearward of the rear surface 20C of the main body 20 and above the main body 20. As an example, this shape is asymmetric with respect to the extension direction (long axis direction X) of the mouthpiece 22.

This prevents the mouthpiece 22 from being attached in the wrong direction. In this embodiment, as shown in FIG. 7A, the opening 70 of this embodiment is a pentagon having two sides parallel to the long axis direction X and three sides in the short axis direction Y perpendicular to the long axis direction X. One side of the opening 70 in the short axis direction Y is a single side, and the other is formed of two short sides. The mounting portion 28 of this embodiment is a convex shape into which the opening 70 having such a concave shape is fitted. The shapes of the opening 70 and the mounting portion 28 are one example, and are not limited to this as long as the concave shape and the convex shape are asymmetric with respect to the long axis direction X.

Furthermore, a cut 72 is formed in the outlet 22B of the mouthpiece 22 in the extension direction (long axis direction X) of the mouthpiece 22. With this configuration, the breath blown into the mouthpiece 22 is dispersed and discharged from the outlet 22B. As a result, even if the outlet 22B is blocked for some reason when breath is blown into the mouthpiece 22, the breath is discharged from the cut 72, making it possible to perform alcohol detection.

In this embodiment, the notch 72 is formed on the side surface 22D of the outlet 22B of the mouthpiece 22 as shown in FIG. 7B. That is, the notch 72 is formed so as to exhaust the exhaled air in a direction different from the front surface 20A of the main body 20. Note that the direction different from the front surface 20A is, for example, a direction perpendicular to the front surface 20A. As a result, the exhaled air exhausted from the notch 72 diffuses in a direction different from the front surface 20A on which the display unit 24 is provided, and the exhaled air exhausted from the notch 72 does not proceed toward the display unit 24, so that the display unit 24 can be prevented from fogging up due to the exhaled air. In addition, instead of the notch 72, a hole for diffusing the exhaled air may be provided near the outlet 22B of the mouthpiece 22.

As shown in FIG. 3, the alcohol detection device 12 is provided with a measurement start button 26A as the operation unit 26, which is operated to start alcohol detection. In this embodiment, the measurement start button 26A is provided on the rear surface 20C of the main body 20.

By providing this measurement start button 26A on the alcohol detection device 12, the subject can carry out alcohol detection at his or her own timing. Also, by providing the measurement start button 26A on the back surface 20C, the subject can operate the measurement start button 26A, for example, with his or her thumb, while still holding the mouthpiece 22 in their mouth. Therefore, the subject can easily operate the alcohol detection device 12.

Furthermore, the measurement start button 26A is provided below the display unit 24. This prevents the display unit 24 from being covered by the other four fingers holding the main body unit 20 when the measurement start button 26A is operated with the thumb. Therefore, the device-specific ID displayed on the display unit 24 can be prevented from being covered by the fingers while alcohol detection is being performed.

In the alcohol detection device 12 of this embodiment, when the measurement start button 26A is operated, the notification unit 45 notifies the subject of the timing to start the measurement. This allows the subject to know the timing to start the alcohol detection, in other words, the timing to blow in, without visually checking the display unit 24, thereby reducing failure of the alcohol detection.

In addition, an extension member that extends the mouthpiece 22 is attached detachably to the mouthpiece 22 in the present embodiment. Figure 8 is a schematic diagram showing the relative positions of the alcohol detection device 12, the subject, and the camera 32 when the straw 75, which is an extension member, is attached. The straw 75 may be a commercially available one, and is, for example, a hollow member with an outer diameter of 3 mm to 6 mm.

As shown in FIG. 8, the position of the alcohol detection device 12 and the subject's face can be adjusted by adjusting the length of the attached straw 75. This allows the subject's face and the display unit 24 to be appropriately positioned within the angle of view A of the camera 32.

In this embodiment, the straw 75 is attached to the blowing port 22A via a holding member (hereinafter referred to as the "straw holding attachment") 80 that is detachable from the blowing port 22A. The straw 75 may have a tapered shape in which the outer diameter of one end becomes thinner toward the tip, so that it can be easily inserted into the straw holding attachment 80.

Figure 9 is an external view of the straw-holding attachment 80 of this embodiment. Figure 9(A) shows the straw-holding attachment 80 attached to the mouthpiece 22, and Figure 9(B) is a rear perspective view of the straw-holding attachment 80.

The straw-holding attachment 80 has a hole 82 with a diameter corresponding to the outer diameter of the straw 75, and the straw 75 is inserted and held in this hole 82. The straw 75 can be freely attached and detached via the straw-holding attachment 80, so that the used straw 75 can be discarded or washed, and the alcohol detection device 12 can be kept clean. In addition, by using an individual straw 75 for each person to be measured, good hygienic conditions can be maintained when one alcohol detection device 12 is used by multiple people. In addition, the hole 82 may have a tapered shape to accommodate straws 75 with different outer diameters.

The straw-holding attachment 80 of this embodiment is provided with a rotation prevention part 84 that prevents the blowing port 22A from rotating in the circumferential direction. In addition, a member is provided on the inner circumference of the mouthpiece 22 that prevents the straw-holding attachment 80 from rotating by abutting against the rotation prevention part 84.

As shown in FIG. 7(B), the mouthpiece 22 of this embodiment has a larger diameter at the inlet 22A than at the outlet 22B, and the diameter of the body portion of the mouthpiece 22 decreases in the direction from the inlet 22A to the outlet 22B. The central axis C1 of the inlet 22A is offset from and does not coincide with the central axis C2 of the outlet 22B. In the following description, the central axis C2 will be referred to as the central axis C2 of the mouthpiece 22.

The straw 75 is attached by the straw holding attachment 80 so that the central axis of the straw 75 coincides with the central axis C2 of the mouthpiece 22. Therefore, when the straw holding attachment 80 rotates, the central axis of the straw 75 and the central axis C2 of the mouthpiece 22 may become misaligned, which may result in a change in the amount of exhaled air flowing into the exhaled air inlet 27 of the main body 20.

In this embodiment, the straw holding attachment 80 is prevented from rotating by the rotation prevention section 84, so that the straw holding attachment 80 can be prevented from rotating while breathing in, changing the state of the breath flow into the alcohol detection device 12 and reducing the accuracy of alcohol measurement.

Note that the anti-rotation portion 84 shown in FIG. 9(B) is a plate-shaped member, but this is just one example, and the shape is not limited as long as it can prevent the straw-holding attachment 80 from rotating.

Figures 10 to 13 are external views showing the attachment portion 28 of the mouthpiece 22 in the alcohol detection device 12, and the portion indicated by the solid line is the attachment portion 28.

Figure 10 (A) is a front view of the alcohol detection device 12, and Figure 10 (B) is a rear view of the alcohol detection device 12. Figure 11 (A) is a left side view of the alcohol detection device 12, and Figure 11 (B) is a right side view of the alcohol detection device 12. Figure 12 (A) is a top view of the alcohol detection device 12, and Figure 12 (B) is a bottom view of the alcohol detection device 12. Figure 13 (A) is a front oblique view of the alcohol detection device 12, and Figure 13 (B) is a rear oblique view of the alcohol detection device 12.

The present invention has been described above using the above embodiment, but the technical scope of the present invention is not limited to the scope described in the above embodiment. Various modifications or improvements can be made to the above embodiment without departing from the gist of the invention, and forms with such modifications or improvements are also included in the technical scope of the present invention.

For example, in the above embodiment, the alcohol concentration contained in the breath is detected as the biological information of the subject, but this embodiment is not limited to this, and other biological information may be detected as long as it is biological information that can be detected from the breath of the subject. Furthermore, the biological information is not limited to information detected from the breath of the subject, and may be biological information that can be detected from a sample of the subject (subject), such as blood, saliva, or a part of tissue.

In the above embodiment, the subject is described as an aircraft crew member, but this embodiment is not limited to this. The subject may be a crew member of a commercial vehicle such as a bus, taxi, truck, or motorcycle, a ship, or a train. The subject is not limited to an aircraft or vehicle crew member, but may also be an employee or manager working in a hospital, factory, store, office, etc.

In the above embodiment, the measurement start button 26A is provided on the back surface 20C of the main body 20, but this embodiment is not limited to this. The measurement start button 26A may be provided on the front surface 20A or side surface 20B of the main body 20, as long as it is provided in a position that makes it easy for the subject to start the operation to start the alcohol detection.

In the above embodiment, the straw 75 is attached to the mouthpiece 22 via the straw-holding attachment 85, but this embodiment is not limited to this. The mouthpiece 22 may be structured so that the straw 75 is attached to the mouthpiece 22A without using the straw-holding attachment 85.

10. Alcohol detection system (fraud detection system)
12. Alcohol detection device (biometric information measuring device)
20 Main body 22 Mouthpiece (blow-in member)
22A: Inlet 22B: Outlet 24: Display 26A: Measurement start button (operation unit)
27 Exhalation inlet 32 Camera (photographing device)
41 Alcohol sensor (measurement sensor)
44 Data transmission/reception unit (transmission unit)
45 Notification unit 75 Straw (extension member)
80 Straw holding attachment (holding member)
85 Anti-rotation part

Claims (17)

A display unit that is provided on the front surface of the main body and displays information;
an exhalation inlet provided on an outer circumferential surface of the main body, which is connected to a measurement sensor and through which the exhalation of the subject flows;
a blowing member attached to the outer peripheral surface on which the breath inlet is provided, one end of which serves as an inlet for the breath of the subject and the other end of which serves as an outlet for discharging the breath toward the outside of the main body , the inlet for the breath of the subject being positioned on the rear side of the main body;
A biological information measuring device comprising: The blowing member is a hollow member extending from the rear side to the front side of the main body,
The air inlet is located rearward of the rear surface of the main body,
The outlet is located forward of the front surface of the main body.
2. The biological information measuring device according to claim 1. A display unit that is provided on the front surface of the main body and displays information;
an exhalation inlet provided on an outer circumferential surface of the main body, which is connected to a measurement sensor and through which the exhalation of the subject flows;
A blowing member is attached to the outer peripheral surface on which the breath inlet is provided, and a blowing port for the breath of the subject is located on the rear side of the main body.
Equipped with
the blowing member is a hollow member having one end serving as the blowing port and the other end serving as an exhaust port for exhausting exhaled air, the hollow member extending from the rear side to the front side of the main body,
The air inlet is located rearward of the rear surface of the main body,
The outlet is located forward of the front surface of the main body.
Biometric information measuring device. The bioinformation measuring device according to any one of claims 1 to 3, wherein the exhaled air inlet is provided on a side surface of the main body. The bioinformation measuring device according to any one of claims 1 to 4, wherein the blowing member is attached to the outer peripheral surface of the main body at an angle such that the blowing port is located above a mounting portion provided on the outer peripheral surface of the main body. The bioinformation measuring device according to any one of claims 1 to 5, wherein the blowing member and the attachment portion provided on the outer circumferential surface of the main body are detachably attached by fitting between a concave shape and a convex shape. The bioinformation measuring device according to claim 6, wherein the concave shape and the convex shape are shaped so that the blowing member can be attached only when the blowing port is located behind the rear surface of the main body and is oriented above the main body. The bioinformation measuring device according to claim 2 or 3, wherein the exhaust port has a notch formed therein for exhausting the exhaled air in a direction different from the front of the main body. The biological information measuring device according to any one of claims 1 to 8, further comprising a notification unit that notifies the subject of the timing for starting measurement. 10. The biological information measuring device according to claim 1, further comprising an operation unit that is operated when starting measurement . The bioinformation measuring device according to claim 10, wherein the operation unit is provided on the rear surface of the main body. The biological information measuring device according to any one of claims 1 to 11, further comprising a transmitting means for transmitting the measurement results to an information processing device. The bioinformation measuring device according to any one of claims 1 to 12, wherein an extension member that extends the blowing member is attached to the blowing port in a removable manner. The bioinformation measuring device according to claim 13, wherein the extension member is attached to the air inlet via a holding member that is detachable from the air inlet. The biological information measuring device according to claim 14, wherein the holding member is provided with a rotation prevention part that prevents the blowing port from rotating in a circumferential direction. A display unit that is provided on the front surface of the main body and displays information;
an exhalation inlet provided on an outer circumferential surface of the main body, which is connected to a measurement sensor and through which the exhalation of the subject flows;
a blowing member attached to the outer peripheral surface on which the breath inlet is provided, one end of which serves as an inlet for the breath of the subject and the other end of which serves as an outlet for discharging the breath toward the outside of the main body , the inlet for the breath of the subject being positioned on the rear side of the main body;
A biological information measuring device having
an image capturing device arranged so that the display unit of the biological information measuring device and the face of the subject holding the mouth of the mouth are included in an angle of view;
A biological information measuring system comprising: A display unit that is provided on the front surface of the main body and displays information;
an exhalation inlet provided on an outer circumferential surface of the main body, which is connected to a measurement sensor and through which the exhalation of the subject flows;
A blowing member is attached to the outer peripheral surface on which the breath inlet is provided, and a blowing port for the breath of the subject is located on the rear side of the main body.
A biological information measuring device having
an image capturing device arranged so that the display unit of the biological information measuring device and the face of the subject holding the mouth of the mouth are included in an angle of view;
Equipped with
the blowing member is a hollow member having one end serving as the blowing port and the other end serving as an exhaust port for exhausting exhaled air, the hollow member extending from the rear side to the front side of the main body,
The air inlet is located rearward of the rear surface of the main body,
The outlet is located forward of the front surface of the main body.
A biometric measurement system.

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