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WO2014157053A1 - Steering unit and vehicular living body information display device - Google Patents

Steering unit and vehicular living body information display device Download PDF

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Publication number
WO2014157053A1
WO2014157053A1 PCT/JP2014/058016 JP2014058016W WO2014157053A1 WO 2014157053 A1 WO2014157053 A1 WO 2014157053A1 JP 2014058016 W JP2014058016 W JP 2014058016W WO 2014157053 A1 WO2014157053 A1 WO 2014157053A1
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WO
WIPO (PCT)
Prior art keywords
biological information
driver
light
steering
measuring device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2014/058016
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French (fr)
Japanese (ja)
Inventor
好幸 水野
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Yazaki Corp
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Yazaki Corp
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Filing date
Publication date
Application filed by Yazaki Corp filed Critical Yazaki Corp
Publication of WO2014157053A1 publication Critical patent/WO2014157053A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6829—Foot or ankle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
    • A61B5/6893—Cars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/027—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems between relatively movable parts of the vehicle, e.g. between steering wheel and column
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2503/00—Evaluating a particular growth phase or type of persons or animals
    • A61B2503/20—Workers
    • A61B2503/22—Motor vehicles operators, e.g. drivers, pilots, captains
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1446—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means controlled by mechanically actuated switches
    • B60Q1/1453—Hand actuated switches
    • B60Q1/1461—Multifunction switches for dimming headlights and controlling additional devices, e.g. for controlling direction indicating lights
    • B60Q1/1469—Multifunction switches for dimming headlights and controlling additional devices, e.g. for controlling direction indicating lights controlled by or attached to a single lever, e.g. steering column stalk switches
    • B60Q1/1476—Multifunction switches for dimming headlights and controlling additional devices, e.g. for controlling direction indicating lights controlled by or attached to a single lever, e.g. steering column stalk switches comprising switch controlling means located near the free end of the lever, e.g. press buttons, rotatable rings

Definitions

  • the present invention relates to a steering unit that measures biological information of a driver, and a biological information display device for a vehicle including the steering unit.
  • Patent Document 1 Conventionally, as a device for measuring a driver's biological information, a device provided with a sensor in a steering has been proposed (for example, see Patent Document 1).
  • sensors are provided on both the left and right sides of the steering in the vehicle width direction to measure biological information.
  • An object of the present invention is to provide a steering unit and a biological information display device for a vehicle that can measure biological information reliably without the driver's visual observation.
  • the steering unit according to the present invention is a steering unit including a steering and a rod-shaped lever combination switch having a tip portion arranged near the outer periphery of the steering wheel, and a driver's finger touches the tip portion. Or a biological information measuring device for measuring the driver's biological information by approaching the vehicle.
  • the biological information measuring device is provided at the tip of the lever combination switch, the driver does not visually observe the living body as in the case of operating the lever combination switch during driving.
  • a finger can be brought close to the information measuring device.
  • the tip of the lever combination switch is operated by a finger, a biological information measuring device is provided at the tip, so that biological information can be reliably measured during operation.
  • the lever combination switch provided with the biological information measuring device has a switch function of a direction indicator, and according to such a configuration, every time the driver gives a direction instruction, the driver is connected to the biological information measuring device. The finger is brought closer, and the measurement can be performed with high frequency without the driver's intention.
  • the biological information measuring device is provided in the lever combination switch, it is not necessary to perform wiring for power supply and signal transmission / reception in the steering, and the configuration of the steering can be simplified.
  • the lever combination switch an electric wire is routed in order to transmit a switch operation as an electric signal, so that wiring for the biological information measuring device can be easily added.
  • the biological information measuring device includes a light source that irradiates light toward the driver's finger, and a light receiving unit that receives reflected light from the driver's finger. It is preferable to be configured.
  • the measurement range can be expanded by measuring with light, and the measurement can be performed even when the lever combination switch is operated in a short time.
  • the biological information can be measured more reliably.
  • the lever combination switch has a cylindrical lever body that is supported and operated near the center of the steering, and an axial direction in which the lever body extends and is provided at the tip portion.
  • the biological information display device for a vehicle includes the biological information measurement device provided in the steering unit, and a display unit that displays the biological information to the driver and other passengers. It is characterized by comprising.
  • the biological information can be measured as described above. Furthermore, by displaying the biometric information to the driver and other passengers, the driver can check whether there is a problem with his / her health condition, and the driver does not notice any abnormalities. However, other passengers can be aware and alert the driver or stop driving.
  • the biological information measuring device is provided at the distal end portion of the lever combination switch, so that the biological information can be reliably obtained without the driver's visual observation. Can be measured.
  • the vehicle includes a vehicle biological information display device 1 including a biological information measurement device 11 that measures a driver's biological information, and a steering unit 2.
  • the biometric information display device 1 for a vehicle has a biometric information measurement device 11 and a position that is visible from the driver and the passenger on the passenger seat (for example, an intermediate position between the driver seat and the passenger seat on the passenger side of the instrument panel ), A control unit 13 for displaying information transmitted from the lever combination switch 3 on the display unit 12, and a speaker 14 for performing an alarm.
  • a steering 2A having an annular handle portion 21 and two bar-shaped lever combination switches 3 are configured.
  • the lever combination switch 3 is provided on the right side in the vehicle width direction and includes a direction indicating lever 3A for instructing a direction, and a wiper lever 3B disposed on the left side and operating the wiper. It is configured.
  • the direction indicating lever 3A is provided with a substantially cylindrical lever main body 31 and an operation portion that is provided at the distal end portion 31a and that is rotated around an axial direction in which the lever main body 31 extends.
  • a rotation switch 32 and a push switch 33 as an operation unit that is arranged on the distal end surface of the lever main body 31 and that is pushed in the axial direction. 11 is stored.
  • the direction indicating lever 3A is provided with a tip 31a in the vicinity of the handle 21 and supported near the center of the steering unit 2, and a direction is indicated by a turning operation that moves the tip 31a up and down around the support 3O. Shall be performed.
  • the rotary switch 32 turns on and off the headlamp, and the push switch 33 is used, for example, for switching the display of a head-up display (hereinafter referred to as HUD) or switching the display in a meter.
  • the operation surface 33 a is formed by the light transmitting portion 331.
  • the biological information measuring apparatus 11 measures, for example, blood pressure and blood glucose level by irradiating infrared rays, and includes a light source 111 that emits infrared rays as light and a light receiving unit 112 that receives infrared rays reflected by a finger. And is configured.
  • infrared rays have a wavelength that is easily absorbed by molecules constituting blood vessels or blood, and molecules that absorb infrared rays are excited and emit infrared rays when returning to the ground state.
  • infrared absorption and radiation are combined to produce infrared reflection.
  • the light source 111 is controlled to emit infrared light by the control unit 13, and the light receiving unit 112 transmits a light reception signal corresponding to the received infrared light to the control unit 13.
  • the control unit 13 is configured by, for example, an ECU provided in the junction box, and stores a calculation formula for calculating biological information set in advance.
  • the control unit 13 stores biological information based on the received light signal and the calculation formula.
  • the biological information is calculated and displayed on the display unit 12.
  • control unit 13 controls the biological information measuring device 11 and the display unit 12 to perform measurement and display will be described.
  • the control unit 13 When the ignition switch is turned on, the control unit 13 is activated to start measurement display processing. First, the control unit 13 turns off the light source 111, erases the display on the display unit 12, and stops the alarm of the speaker 14 (step S0). Next, the light source 111 is irradiated with weak detection light for detecting a finger to enter a standby state (step S1), and the presence or absence of reflection of the detection light due to the approach of the finger is determined (step S2). If the detection light reflected by the light receiving unit 112 is received and a light reception signal is transmitted to the control unit 13 (Y in step S2), the control unit 13 causes the light source 111 to emit measurement infrared rays for measuring biological information. (Step S3).
  • the control part 13 determines the presence or absence of reflection of measurement infrared rays (step S4). If the received light signal by the reflection of the measurement infrared ray is received (Y in step S4), the display on the display unit 12 is deleted (step S5), and the biometric information is calculated and the newly calculated biometric information is displayed on the display unit 12. (Step S6). Next, it is determined whether or not the biometric information is equal to or greater than the threshold (step S7). If the biometric information is equal to or greater than the threshold (Y in step S7), an alarm is given by the speaker 14 (step S8), and the process returns to step S3 again. On the other hand, if it is less than the threshold value (N in step S7), the alarm by the speaker 14 is stopped (step S10), and the process returns to step S3 again.
  • Step S2 when the control unit 13 does not receive the light reception signal due to the reflection of the detection light (N in Step S2), the control unit 13 returns to Step S1 and continues the standby state, and receives the light reception signal due to the reflection of the measurement infrared light. Is not received (N in step S4), the light source 111 is turned off (step S9), and the process returns to step S1 again.
  • the measurement display process is repeatedly performed while the ignition switch is on.
  • the biological information measuring device 11 is provided in the lever combination switch 3 and measurement is performed when a finger approaches the distal end portion 31a, so that measurement is reliably performed when the driver operates the lever combination switch 3. be able to.
  • the finger can be easily brought close to the front end portion 31a disposed in the vicinity of the handle portion 21 of the steering 2A without visual observation.
  • the biological information measuring device 11 is provided in the direction indicating lever 3A, it is possible to perform measurement when using a direction indicator that is used more frequently than a wiper, and to perform measurement with high frequency. .
  • a light transmitting part 331 is formed in the push switch 33, and by allowing infrared light to pass through the light transmitting part 331, measurement can be performed without impairing the function of the push switch 33. It is possible to prevent the shape from becoming complicated and to prevent a decrease in operability.
  • the display unit 12 is provided at a substantially intermediate position between the driver seat and the passenger seat on the instrument panel, the measured biological information can be read not only by the driver but also by the passenger in the passenger seat. Even if the passenger does not notice an abnormality, the passenger in the passenger seat can notice the abnormality and alert the user or urge the driver to stop driving. Furthermore, when the measured biological information exceeds a threshold value, the speaker 14 generates an alarm sound, so that passengers including the driver can more reliably notice abnormalities.
  • the present invention is not limited to the above-described embodiment, and includes other configurations and the like that can achieve the object of the present invention, and the following modifications and the like are also included in the present invention.
  • the translucent portion 331 is formed on the push switch 33, but it may be formed on at least one of the rotary switch 32 and the push switch 33. If a light transmitting part is formed on the rotary switch 32, biological information can be measured when the side surface of the tip part 31a is operated with a finger.
  • biometric information measuring apparatus 11 shall measure the blood glucose level and blood pressure as biometric information with infrared rays
  • biometric information can be measured with fingertips, such as a body temperature, a heart rate, and a pulse wave, for example. Any appropriate measurement method corresponding to the biological information to be measured may be used.
  • the biological information measuring device may be a combination of a plurality of measuring methods.
  • the biological information measuring device 11 is provided on the direction indicating lever 3A.
  • the biological information measuring device 11 may also be provided on the wiper lever 3B. Is provided on the two levers 3A and 3B, the measurement frequency can be increased and a failure of the biological information measuring device 11 can be detected when a large difference occurs between the two measurement values.
  • the direction indication lever 3A includes the headlight rotation switch 32 and the HUD display switching push switch 33.
  • the switches 32 and 33 are used for an appropriate operation of a target. If it is not mounted on the vehicle, it may be omitted.
  • the alarm is given by the speaker 14 when the measured biological information exceeds the threshold.
  • the speaker 14 may be omitted. For example, when the threshold exceeds the threshold, the display is displayed. You may call attention by blinking in the part 12. If the speaker 14 is omitted, the configuration can be simplified and the cost can be reduced.
  • control unit 13 irradiates the light source 111 with the detection light and performs the measurement when the reflection by the finger is detected.
  • detection light irradiation and the reflection detection are omitted. It suffices to perform an appropriate process of measuring biological information by irradiating infrared light and receiving reflected light with a finger.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Steering Controls (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Switches With Compound Operations (AREA)

Abstract

Provided are a steering unit that can accurately measure living body information without visual observation by the driver, and a vehicular living body information display device. A living body information measurement device (11) for measuring living body information such as blood-sugar level and blood pressure is provided to a distal end part (31a) near a handle part (21) in a lever combination switch (3), whereby blood-sugar level and blood pressure can be measured from a finger near or in contact with the distal end part (31a) when the driver is about to operate the lever combination switch (3), and living body information can be accurately measured without visual observation by the driver.

Description

ステアリングユニット及び車両用生体情報表示装置Steering unit and biological information display device for vehicle

　本発明は、運転者の生体情報を測定するステアリングユニット、及び、該ステアリングユニットを備えた車両用生体情報表示装置に関する。 The present invention relates to a steering unit that measures biological information of a driver, and a biological information display device for a vehicle including the steering unit.

　従来、運転者の生体情報を測定する装置として、ステアリングにセンサが設けられたものが提案されている（例えば、特許文献１参照）。特許文献１に記載された生体情報測定装置では、ステアリングの車両幅方向左右両側にセンサが設けられ、生体情報の測定を行っている。 Conventionally, as a device for measuring a driver's biological information, a device provided with a sensor in a steering has been proposed (for example, see Patent Document 1). In the biological information measuring device described in Patent Document 1, sensors are provided on both the left and right sides of the steering in the vehicle width direction to measure biological information.

特開２００９－２１３６３７号公報JP 2009-213637 A

　しかしながら、特許文献１に記載の生体情報測定装置では、センサが左右両側に設けられているものの、ステアリングを握る位置は運転者によって異なり、さらに、同じ運転者であっても状況によって握る位置は変化し得るため、生体情報を確実に測定することができないという不都合があった。さらに、運転者が意図的にセンサ付近を握ろうとした場合であっても、目視せずにセンサを探すことは困難であり、運転時に測定に失敗しても再度測定を行うことが困難であるという不都合があった。 However, in the biological information measuring device described in Patent Document 1, although the sensors are provided on both the left and right sides, the position at which the steering wheel is gripped varies depending on the driver, and even the same driver changes depending on the situation. Therefore, there is a disadvantage that the biological information cannot be reliably measured. Furthermore, even if the driver intentionally tries to grasp the vicinity of the sensor, it is difficult to search for the sensor without visual inspection, and it is difficult to perform measurement again even if measurement fails during driving. There was an inconvenience.

　本発明の目的は、運転者が目視することなく確実に生体情報を測定することのできるステアリングユニット、及び、車両用生体情報表示装置を提供することにある。 An object of the present invention is to provide a steering unit and a biological information display device for a vehicle that can measure biological information reliably without the driver's visual observation.

　本発明のステアリングユニットは、ステアリングと、先端部が前記ステアリングの外周付近に配された棒状のレバーコンビネーションスイッチと、を備えたステアリングユニットであって、前記先端部には、運転者の指が触れるか、又は、接近することで該運転者の生体情報を測定する生体情報測定装置が設けられていることを特徴とする。 The steering unit according to the present invention is a steering unit including a steering and a rod-shaped lever combination switch having a tip portion arranged near the outer periphery of the steering wheel, and a driver's finger touches the tip portion. Or a biological information measuring device for measuring the driver's biological information by approaching the vehicle.

　以上のような本発明によれば、生体情報測定装置がレバーコンビネーションスイッチの先端部に設けられていることで、運転時にレバーコンビネーションスイッチを操作する場合と同様に、運転者は目視することなく生体情報測定装置に指を接近させることができる。さらに、レバーコンビネーションスイッチは先端部が指によって操作されるものであるため、先端部に生体情報測定装置が設けられることで、操作時には確実に生体情報の測定を行うことができる。また、生体情報測定装置が設けられるレバーコンビネーションスイッチは方向指示器のスイッチ機能を有していることが好ましく、このような構成によれば、運転者は方向指示を行うたびに生体情報測定装置に指を近づけることとなり、運転者が意図することなく高い頻度で測定を行うことができる。 According to the present invention as described above, since the biological information measuring device is provided at the tip of the lever combination switch, the driver does not visually observe the living body as in the case of operating the lever combination switch during driving. A finger can be brought close to the information measuring device. Furthermore, since the tip of the lever combination switch is operated by a finger, a biological information measuring device is provided at the tip, so that biological information can be reliably measured during operation. Moreover, it is preferable that the lever combination switch provided with the biological information measuring device has a switch function of a direction indicator, and according to such a configuration, every time the driver gives a direction instruction, the driver is connected to the biological information measuring device. The finger is brought closer, and the measurement can be performed with high frequency without the driver's intention.

　また、レバーコンビネーションスイッチに生体情報測定装置が設けられていることで、ステアリング内に電力供給及び信号の送受信のために配線を行う必要がなく、ステアリングの構成を簡単化することができる。一方、レバーコンビネーションスイッチは、スイッチ操作を電気信号として送信するために内部に電線が配索されるものであるため、生体情報測定装置のための配線を容易に追加することができる。 Also, since the biological information measuring device is provided in the lever combination switch, it is not necessary to perform wiring for power supply and signal transmission / reception in the steering, and the configuration of the steering can be simplified. On the other hand, in the lever combination switch, an electric wire is routed in order to transmit a switch operation as an electric signal, so that wiring for the biological information measuring device can be easily added.

　この際、本発明のステアリングユニットでは、前記生体情報測定装置は、前記運転者の指に向けて光を照射する光源と、前記運転者の指による反射光を受光する受光部と、を有して構成されていることが好ましい。 In this case, in the steering unit of the present invention, the biological information measuring device includes a light source that irradiates light toward the driver's finger, and a light receiving unit that receives reflected light from the driver's finger. It is preferable to be configured.

　このような構成によれば、光によって測定が行われることで、測定可能な範囲を広げることができるとともに、レバーコンビネーションスイッチの操作が短時間で行われる場合であっても測定を行うことができ、より確実に生体情報を測定することができる。 According to such a configuration, the measurement range can be expanded by measuring with light, and the measurement can be performed even when the lever combination switch is operated in a short time. The biological information can be measured more reliably.

　さらに、本発明のステアリングユニットでは、前記レバーコンビネーションスイッチは、前記ステアリングの中心付近において支持されて操作が行われる筒状のレバー本体と、前記先端部に設けられるとともに前記レバー本体が延びる軸方向を中心とした回動操作、又は、前記軸方向への押操作が行われる操作部と、を有して構成され、前記操作部には、透光部が設けられ、前記生体情報測定装置は、前記レバー本体内部に格納されるとともに、前記透光部に光を透過させて測定を行うことが好ましい。 Furthermore, in the steering unit of the present invention, the lever combination switch has a cylindrical lever body that is supported and operated near the center of the steering, and an axial direction in which the lever body extends and is provided at the tip portion. A rotation operation centered or an operation unit that performs a push operation in the axial direction, and the operation unit is provided with a translucent part, and the biological information measuring device includes: It is preferable that the measurement is performed while the light is transmitted through the light transmitting portion while being stored in the lever main body.

　このような構成によれば、透光部に光を透過させて生体情報を測定することで、生体情報測定装置が測定を行うためのスペースを追加する必要がなく、レバーコンビネーションスイッチの大型化を防ぐことができる。さらに、レバーコンビネーションスイッチの外部の形状を操作部が設けられた既存のものと同様とすることができるため、生体情報測定装置が設けられても操作性が損なわれることがない。 According to such a configuration, it is not necessary to add a space for the biological information measuring device to perform measurement by transmitting the light to the translucent part, thereby increasing the size of the lever combination switch. Can be prevented. Furthermore, since the external shape of the lever combination switch can be the same as the existing one provided with the operation unit, the operability is not impaired even if the biological information measuring device is provided.

　一方、本発明の車両用生体情報表示装置は、前記ステアリングユニットに設けられた前記生体情報測定装置と、前記生体情報を前記運転者及び他の搭乗者に向けて表示する表示部と、を有して構成されることを特徴とする。 On the other hand, the biological information display device for a vehicle according to the present invention includes the biological information measurement device provided in the steering unit, and a display unit that displays the biological information to the driver and other passengers. It is characterized by comprising.

　このような本発明の車両用生体情報表示装置によれば、前述のように生体情報を測定することができる。さらに、生体情報を運転者及び他の搭乗者に向けて表示することで、運転者が自身の健康状態に問題がないかを確認することができるとともに、運転者が異常に気付かない場合であっても、他の搭乗者が気付いて運転者に注意を促したり運転を停止させたりすることができる。 According to the vehicular biological information display apparatus of the present invention, the biological information can be measured as described above. Furthermore, by displaying the biometric information to the driver and other passengers, the driver can check whether there is a problem with his / her health condition, and the driver does not notice any abnormalities. However, other passengers can be aware and alert the driver or stop driving.

　以上のような本発明のステアリングユニット及び車両用生体情報表示装置によれば、生体情報測定装置がレバーコンビネーションスイッチの先端部に設けられていることで、運転者が目視することなく確実に生体情報を測定することができる。 According to the steering unit and the biological information display device for a vehicle of the present invention as described above, the biological information measuring device is provided at the distal end portion of the lever combination switch, so that the biological information can be reliably obtained without the driver's visual observation. Can be measured.

本発明の実施形態に係る車両に設けられた生体情報表示装置を示す構成図である。It is a block diagram which shows the biometric information display apparatus provided in the vehicle which concerns on embodiment of this invention. 前記生体情報表示装置の要部を示す正面図である。It is a front view which shows the principal part of the said biometric information display apparatus. 前記生体情報表示装置の動作を示す動作図である。It is an operation | movement figure which shows operation | movement of the said biometric information display apparatus. 前記生体情報表示装置の要部を拡大して示す斜視図である。It is a perspective view which expands and shows the principal part of the said biometric information display apparatus. 前記生体情報表示装置が測定及び表示を行う際の処理手順を示すフローチャートである。It is a flowchart which shows the process sequence at the time of the said biometric information display apparatus performing a measurement and a display.

　以下、本発明の実施形態を図面に基づいて説明する。図１において、本実施形態の車両は、運転者の生体情報を測定する生体情報測定装置１１を備えた車両用生体情報表示装置１と、ステアリングユニット２と、を備えて構成されている。車両用生体情報表示装置１は、生体情報測定装置１１と、運転者及び助手席の搭乗者から視認可能な位置（例えば、インストゥルメントパネルの搭乗者側における運転席と助手席との中間位置）に設けられる表示部１２と、レバーコンビネーションスイッチ３から送信された情報を表示部１２に表示させる制御部１３と、警報を行うためのスピーカ１４と、を備えて構成され、ステアリングユニット２は、環状のハンドル部２１を有するステアリング２Ａと、二本の棒状のレバーコンビネーションスイッチ３と、を有して構成されている。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1, the vehicle according to the present embodiment includes a vehicle biological information display device 1 including a biological information measurement device 11 that measures a driver's biological information, and a steering unit 2. The biometric information display device 1 for a vehicle has a biometric information measurement device 11 and a position that is visible from the driver and the passenger on the passenger seat (for example, an intermediate position between the driver seat and the passenger seat on the passenger side of the instrument panel ), A control unit 13 for displaying information transmitted from the lever combination switch 3 on the display unit 12, and a speaker 14 for performing an alarm. A steering 2A having an annular handle portion 21 and two bar-shaped lever combination switches 3 are configured.

　レバーコンビネーションスイッチ３は、車両幅方向右側に配されるとともに方向指示を行うための方向指示用レバー３Ａと、左側に配されるとともにワイパーを動作させるためのワイパー用レバー３Ｂと、を有して構成されている。方向指示用レバー３Ａは、図２～４に示すように、略円筒状のレバー本体３１と、先端部３１ａに設けられるとともにレバー本体３１の延びる軸方向を中心に回動操作が行われる操作部としての回転スイッチ３２と、レバー本体３１の先端面に配されるとともに軸方向に押操作が行われる操作部としてのプッシュスイッチ３３と、を備え、レバー本体３１の内部には、生体情報測定装置１１が格納されている。 The lever combination switch 3 is provided on the right side in the vehicle width direction and includes a direction indicating lever 3A for instructing a direction, and a wiper lever 3B disposed on the left side and operating the wiper. It is configured. As shown in FIGS. 2 to 4, the direction indicating lever 3A is provided with a substantially cylindrical lever main body 31 and an operation portion that is provided at the distal end portion 31a and that is rotated around an axial direction in which the lever main body 31 extends. A rotation switch 32 and a push switch 33 as an operation unit that is arranged on the distal end surface of the lever main body 31 and that is pushed in the axial direction. 11 is stored.

　方向指示用レバー３Ａは、先端部３１ａがハンドル部２１付近に設けられるとともに、ステアリングユニット２の中心付近で支持され、この支持部３Ｏを中心として先端部３１ａを上下に動かす回動操作によって方向指示を行うものとする。また、回転スイッチ３２は前照灯の点灯及び消灯を行うものとし、プッシュスイッチ３３は、例えば、ヘッドアップディスプレイ（以下、ＨＵＤとする）の表示切替用又はメータ内ディスプレイの切換用として用いられるものであって、操作面３３ａが透光部３３１によって形成されている。 The direction indicating lever 3A is provided with a tip 31a in the vicinity of the handle 21 and supported near the center of the steering unit 2, and a direction is indicated by a turning operation that moves the tip 31a up and down around the support 3O. Shall be performed. The rotary switch 32 turns on and off the headlamp, and the push switch 33 is used, for example, for switching the display of a head-up display (hereinafter referred to as HUD) or switching the display in a meter. In addition, the operation surface 33 a is formed by the light transmitting portion 331.

　生体情報測定装置１１は、例えば、赤外線を照射することで血圧及び血糖値を測定するものであって、光としての赤外線を照射する光源１１１と、指によって反射された赤外線を受光する受光部１１２と、を有して構成されている。ここで、赤外線は血管又は血液を構成する分子に吸収されやすい波長を有するものとし、赤外線を吸収した分子は励起状態となり、基底状態に戻る際に赤外線を放射する。本実施形態において、このような赤外線の吸収と放射とを合わせて赤外線の反射とする。光源１１１は、制御部１３によって赤外線の照射を制御され、受光部１１２は、受光した赤外線に応じた受光信号を制御部１３に送信する。 The biological information measuring apparatus 11 measures, for example, blood pressure and blood glucose level by irradiating infrared rays, and includes a light source 111 that emits infrared rays as light and a light receiving unit 112 that receives infrared rays reflected by a finger. And is configured. Here, infrared rays have a wavelength that is easily absorbed by molecules constituting blood vessels or blood, and molecules that absorb infrared rays are excited and emit infrared rays when returning to the ground state. In the present embodiment, infrared absorption and radiation are combined to produce infrared reflection. The light source 111 is controlled to emit infrared light by the control unit 13, and the light receiving unit 112 transmits a light reception signal corresponding to the received infrared light to the control unit 13.

　制御部１３は、例えば、ジャンクションボックス内に設けられたＥＣＵによって構成され、予め設定された生体情報算出用の計算式を記憶させられており、受光信号とこの計算式とに基づいて生体情報を算出し、この生体情報を表示部１２に表示させる。 The control unit 13 is configured by, for example, an ECU provided in the junction box, and stores a calculation formula for calculating biological information set in advance. The control unit 13 stores biological information based on the received light signal and the calculation formula. The biological information is calculated and displayed on the display unit 12.

　次に、制御部１３が生体情報測定装置１１と表示部１２とを制御して、測定及び表示を行う処理（測定表示処理）について説明する。 Next, a process (measurement display process) in which the control unit 13 controls the biological information measuring device 11 and the display unit 12 to perform measurement and display will be described.

　イグニッションスイッチがオンとなると、制御部１３が起動して測定表示処理を開始する。まず、制御部１３は、光源１１１の消灯、表示部１２の表示の消去、及び、スピーカ１４の警報停止を行う（ステップＳ０）。次に、光源１１１に指を検知するための微弱な検知用光を照射させて待機状態とし（ステップＳ１）、指の接近による検知用光の反射の有無を判定する（ステップＳ２）。受光部１１２が反射された検知用光を受光し、制御部１３に受光信号を送信すれば（ステップＳ２でＹ）、制御部１３は光源１１１に生体情報を測定するための測定赤外線を照射させる（ステップＳ３）。次に、制御部１３は、測定赤外線の反射の有無を判定する（ステップＳ４）。測定赤外線の反射による受光信号を受信すれば（ステップＳ４でＹ）、表示部１２の表示を消去し（ステップＳ５）、生体情報を算出するとともに新たに算出した生体情報を表示部１２に表示させる（ステップＳ６）。次に、この生体情報が閾値以上であるかを判定し（ステップＳ７）、閾値以上であれば（ステップＳ７でＹ）、スピーカ１４による警報を行い（ステップＳ８）、再びステップＳ３に戻る。一方、閾値未満であれば（ステップＳ７でＮ）、スピーカ１４による警報を停止し（ステップＳ１０）、再びステップＳ３に戻る。 When the ignition switch is turned on, the control unit 13 is activated to start measurement display processing. First, the control unit 13 turns off the light source 111, erases the display on the display unit 12, and stops the alarm of the speaker 14 (step S0). Next, the light source 111 is irradiated with weak detection light for detecting a finger to enter a standby state (step S1), and the presence or absence of reflection of the detection light due to the approach of the finger is determined (step S2). If the detection light reflected by the light receiving unit 112 is received and a light reception signal is transmitted to the control unit 13 (Y in step S2), the control unit 13 causes the light source 111 to emit measurement infrared rays for measuring biological information. (Step S3). Next, the control part 13 determines the presence or absence of reflection of measurement infrared rays (step S4). If the received light signal by the reflection of the measurement infrared ray is received (Y in step S4), the display on the display unit 12 is deleted (step S5), and the biometric information is calculated and the newly calculated biometric information is displayed on the display unit 12. (Step S6). Next, it is determined whether or not the biometric information is equal to or greater than the threshold (step S7). If the biometric information is equal to or greater than the threshold (Y in step S7), an alarm is given by the speaker 14 (step S8), and the process returns to step S3 again. On the other hand, if it is less than the threshold value (N in step S7), the alarm by the speaker 14 is stopped (step S10), and the process returns to step S3 again.

　これに対して、制御部１３が検知用光の反射による受光信号を受信しない場合（ステップＳ２でＮ）には、再びステップＳ１に戻って待機状態を継続し、測定用赤外線の反射による受光信号を受信しない場合（ステップＳ４でＮ）には、光源１１１を消灯し（ステップＳ９）、再びステップＳ１に戻る。測定表示処理は、イグニッションスイッチがオンの間、繰り返し行われる。 On the other hand, when the control unit 13 does not receive the light reception signal due to the reflection of the detection light (N in Step S2), the control unit 13 returns to Step S1 and continues the standby state, and receives the light reception signal due to the reflection of the measurement infrared light. Is not received (N in step S4), the light source 111 is turned off (step S9), and the process returns to step S1 again. The measurement display process is repeatedly performed while the ignition switch is on.

　このような本実施形態によれば、以下のような効果がある。即ち、生体情報測定装置１１がレバーコンビネーションスイッチ３に設けられるとともに、先端部３１ａに指が接近した場合に測定を行うことで、運転者がレバーコンビネーションスイッチ３を操作する際に確実に測定を行うことができる。また、運転者が測定を意図した場合においても、ステアリング２Ａのハンドル部２１付近に配された先端部３１ａに目視することなく容易に指を近づけることができる。 According to this embodiment, there are the following effects. That is, the biological information measuring device 11 is provided in the lever combination switch 3 and measurement is performed when a finger approaches the distal end portion 31a, so that measurement is reliably performed when the driver operates the lever combination switch 3. be able to. In addition, even when the driver intends to perform measurement, the finger can be easily brought close to the front end portion 31a disposed in the vicinity of the handle portion 21 of the steering 2A without visual observation.

　さらに、生体情報測定装置１１が方向指示用レバー３Ａに設けられていることで、ワイパーよりも頻繁に使用する方向指示器の使用時に測定を行うことができ、高い頻度で測定を行うことができる。 Furthermore, since the biological information measuring device 11 is provided in the direction indicating lever 3A, it is possible to perform measurement when using a direction indicator that is used more frequently than a wiper, and to perform measurement with high frequency. .

　また、プッシュスイッチ３３に透光部３３１が形成されるとともに、赤外線を透光部３３１に透過させることで、プッシュスイッチ３３の機能を損なうことなく測定を行うことができ、レバーコンビネーションスイッチ３の外部形状の複雑化を防ぐとともに、操作性の低下を防ぐことができる。 In addition, a light transmitting part 331 is formed in the push switch 33, and by allowing infrared light to pass through the light transmitting part 331, measurement can be performed without impairing the function of the push switch 33. It is possible to prevent the shape from becoming complicated and to prevent a decrease in operability.

　また、表示部１２がインストゥルメントパネルにおける運転席と助手席との略中間位置に設けられることで、測定された生体情報を運転者だけでなく助手席の搭乗者も読み取ることができ、運転者が異常に気付かない場合であっても、助手席の搭乗者が異常に気付いて注意喚起したり、運転の停止を促したりすることができる。さらに、測定された生体情報が閾値を越えた場合にスピーカ１４が警報音を発生することで、運転者を含めた搭乗者がより確実に異常に気付くことができる。 Further, since the display unit 12 is provided at a substantially intermediate position between the driver seat and the passenger seat on the instrument panel, the measured biological information can be read not only by the driver but also by the passenger in the passenger seat. Even if the passenger does not notice an abnormality, the passenger in the passenger seat can notice the abnormality and alert the user or urge the driver to stop driving. Furthermore, when the measured biological information exceeds a threshold value, the speaker 14 generates an alarm sound, so that passengers including the driver can more reliably notice abnormalities.

　なお、本発明は、前記実施形態に限定されるものではなく、本発明の目的が達成できる他の構成等を含み、以下に示すような変形等も本発明に含まれる。例えば、前記実施形態では、透光部３３１がプッシュスイッチ３３に形成されるものとしたが、回転スイッチ３２とプッシュスイッチ３３とのうち少なくとも一方に形成されていればよい。回転スイッチ３２に透光部が形成されていれば、先端部３１ａの側面を指で操作する場合に生体情報の測定を行うことができる。 It should be noted that the present invention is not limited to the above-described embodiment, and includes other configurations and the like that can achieve the object of the present invention, and the following modifications and the like are also included in the present invention. For example, in the above-described embodiment, the translucent portion 331 is formed on the push switch 33, but it may be formed on at least one of the rotary switch 32 and the push switch 33. If a light transmitting part is formed on the rotary switch 32, biological information can be measured when the side surface of the tip part 31a is operated with a finger.

　また、前記実施形態では、生体情報測定装置１１は赤外線によって生体情報としての血糖値及び血圧の測定を行うものとしたが、生体情報は例えば、体温、心拍数、脈波等の指先で測定可能なものであればよく、測定する生体情報に対応した適宜な測定方法が用いられればよい。さらに、生体情報測定装置は複数の測定方法を組み合わせたものであってもよい。 Moreover, in the said embodiment, although the biometric information measuring apparatus 11 shall measure the blood glucose level and blood pressure as biometric information with infrared rays, biometric information can be measured with fingertips, such as a body temperature, a heart rate, and a pulse wave, for example. Any appropriate measurement method corresponding to the biological information to be measured may be used. Furthermore, the biological information measuring device may be a combination of a plurality of measuring methods.

　また、前記実施形態では、生体情報測定装置１１は方向指示用レバー３Ａに設けられるものとしたが、生体情報測定装置１１はワイパー用レバー３Ｂにも設けられていてもよく、生体情報測定装置１１が二つのレバー３Ａ、３Ｂに設けられていれば、測定頻度を高くすることができるとともに、二つの測定値に大きな差が生じた場合に生体情報測定装置１１の故障を検出することができる。 In the above embodiment, the biological information measuring device 11 is provided on the direction indicating lever 3A. However, the biological information measuring device 11 may also be provided on the wiper lever 3B. Is provided on the two levers 3A and 3B, the measurement frequency can be increased and a failure of the biological information measuring device 11 can be detected when a large difference occurs between the two measurement values.

　また、前記実施形態では、方向指示用レバー３Ａは前照灯用の回転スイッチ３２とＨＵＤ表示切替用のプッシュスイッチ３３とを備えるものとしたが、スイッチ３２、３３は適宜な対象の操作に用いられていればよく、操作の対象が車両に搭載されていなければ省略されていてもよい。 In the above-described embodiment, the direction indication lever 3A includes the headlight rotation switch 32 and the HUD display switching push switch 33. However, the switches 32 and 33 are used for an appropriate operation of a target. If it is not mounted on the vehicle, it may be omitted.

　また、前記実施形態では、測定された生体情報が閾値を越えた場合にスピーカ１４による警報を行うものとしたが、スピーカ１４は省略されていてもよく、例えば、閾値を越えた場合には表示部１２において点滅表示を行って注意喚起してもよい。スピーカ１４が省略されれば、構成を簡単化するとともに低コスト化することができる。 In the above embodiment, the alarm is given by the speaker 14 when the measured biological information exceeds the threshold. However, the speaker 14 may be omitted. For example, when the threshold exceeds the threshold, the display is displayed. You may call attention by blinking in the part 12. If the speaker 14 is omitted, the configuration can be simplified and the cost can be reduced.

　また、前記実施形態では、制御部１３が光源１１１に検知用光を照射させるとともに指による反射を検出した際に測定を行うものとしたが、検知用光の照射と反射の検出は省略されていてもよく、赤外線の照射と指による反射光の受光とを行い生体情報を測定する適宜な処理が行われればよい。 In the embodiment, the control unit 13 irradiates the light source 111 with the detection light and performs the measurement when the reflection by the finger is detected. However, the detection light irradiation and the reflection detection are omitted. It suffices to perform an appropriate process of measuring biological information by irradiating infrared light and receiving reflected light with a finger.

　その他、本発明を実施するための最良の構成、方法などは、以上の記載で開示されているが、本発明は、これに限定されるものではない。すなわち、本発明は、主に特定の実施形態に関して特に図示され、且つ、説明されているが、本発明の技術的思想および目的の範囲から逸脱することなく、以上述べた実施形態に対し、形状、材質、数量、その他の詳細な構成において、当業者が様々な変形を加えることができるものである。従って、上記に開示した形状、材質などを限定した記載は、本発明の理解を容易にするために例示的に記載したものであり、本発明を限定するものではないから、それらの形状、材質などの限定の一部、もしくは全部の限定を外した部材の名称での記載は、本発明に含まれるものである。 In addition, the best configuration and method for carrying out the present invention have been disclosed in the above description, but the present invention is not limited to this. That is, the invention has been illustrated and described primarily with respect to particular embodiments, but may be configured for the above-described embodiments without departing from the scope and spirit of the invention. Various modifications can be made by those skilled in the art in terms of materials, quantity, and other detailed configurations. Therefore, the description limiting the shape, material, etc. disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded the limitation of one part or all of such is included in this invention.

　１          車両用生体情報表示装置
　２          ステアリングユニット
　２Ａ        ステアリング
　３          レバーコンビネーションスイッチ
　１１        生体情報測定装置
　１２        表示部
　３１        レバー本体
　３１ａ      先端部
　３２        回転スイッチ（操作部）
　３３        プッシュスイッチ（操作部）
　３３１      透光部
　１１１      光源
　１１２      受光部 DESCRIPTION OF SYMBOLS 1 Biological information display apparatus for vehicles 2 Steering unit 2A Steering 3 Lever combination switch 11 Biological information measuring apparatus 12 Display part 31 Lever main body 31a Tip part 32 Rotation switch (operation part)
33 Push switch (operation unit)
331 Light-transmitting part 111 Light source 112 Light-receiving part

Claims (4)

　ステアリングと、先端部が前記ステアリングの外周付近に配された棒状のレバーコンビネーションスイッチと、を備えたステアリングユニットであって、
　前記先端部には、運転者の指が触れるか、又は、接近することで該運転者の生体情報を測定する生体情報測定装置が設けられていることを特徴とするステアリングユニット。 A steering unit comprising: a steering; and a rod-shaped lever combination switch whose tip is arranged near the outer periphery of the steering,
A steering unit characterized in that a biological information measuring device that measures biological information of the driver by touching or approaching the finger of the driver is provided at the tip. 　前記生体情報測定装置は、前記運転者の指に向けて光を照射する光源と、前記運転者の指による反射光を受光する受光部と、を有して構成されていることを特徴とする請求項１に記載のステアリングユニット。 The biological information measuring device includes a light source that emits light toward the driver's finger, and a light receiving unit that receives light reflected by the driver's finger. The steering unit according to claim 1. 　前記レバーコンビネーションスイッチは、前記ステアリングの中心付近において支持されて操作が行われる筒状のレバー本体と、前記先端部に設けられるとともに前記レバー本体が延びる軸方向を中心とした回動操作、又は、前記軸方向への押操作が行われる操作部と、を有して構成され、
　前記操作部には、透光部が設けられ、
　前記生体情報測定装置は、前記レバー本体内部に格納されるとともに、前記透光部に光を透過させて測定を行うことを特徴とする請求項２に記載のステアリングユニット。 The lever combination switch is a cylindrical lever main body that is supported and operated near the center of the steering wheel, and a rotation operation centered on an axial direction that is provided at the tip and extends the lever main body, or An operation unit that performs a pressing operation in the axial direction,
The operation part is provided with a light-transmitting part,
3. The steering unit according to claim 2, wherein the biological information measuring device is stored in the lever main body and performs measurement by transmitting light to the light transmitting portion. 　請求項１～３いずれか１項に記載のステアリングユニットに設けられた前記生体情報測定装置と、
　前記生体情報を前記運転者及び他の搭乗者に向けて表示する表示部と、を有して構成されることを特徴とする車両用生体情報表示装置。 The biological information measuring device provided in the steering unit according to any one of claims 1 to 3,
A biological information display device for a vehicle, comprising: a display unit configured to display the biological information toward the driver and other passengers.
PCT/JP2014/058016 2013-03-25 2014-03-24 Steering unit and vehicular living body information display device Ceased WO2014157053A1 (en)

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