WO2019008945A1 - Dispositif de mesure pour véhicule - Google Patents

Dispositif de mesure pour véhicule Download PDF

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Publication number
WO2019008945A1
WO2019008945A1 PCT/JP2018/020460 JP2018020460W WO2019008945A1 WO 2019008945 A1 WO2019008945 A1 WO 2019008945A1 JP 2018020460 W JP2018020460 W JP 2018020460W WO 2019008945 A1 WO2019008945 A1 WO 2019008945A1
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WO
WIPO (PCT)
Prior art keywords
measurement
notification
sensor
mode
air
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Application number
PCT/JP2018/020460
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English (en)
Japanese (ja)
Inventor
竹田　弘
政幸 児玉
佑太 辻
尚敬 石山
健太 中嶋
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株式会社デンソー
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Publication of WO2019008945A1 publication Critical patent/WO2019008945A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/24—Devices purely for ventilating or where the heating or cooling is irrelevant

Definitions

  • the present disclosure relates to a measuring device for a vehicle.
  • the vehicle is equipped with a vehicle measuring device for measuring a specific physical quantity.
  • a vehicle measuring device for vehicles an outside air temperature sensor for measuring outside air temperature, a particle sensor for measuring the concentration of the minute particle (PM2.5) which drifts in the air, etc. are mentioned, for example.
  • the result measured by the vehicle measurement device is notified to the occupant by, for example, a display device or the like provided in the vicinity of the driver's seat.
  • Patent Document 1 describes that the value measured by the outside air temperature sensor may be higher than the actual outside air temperature due to the influence of radiant heat from the engine. If such measured values are directly displayed (notified) to the occupant, the occupant will recognize a value different from the actual value as the outside air temperature.
  • the occupant looking at the outside air temperature display device described in the above-mentioned patent document 1 is a value which is held so that the displayed value is a value actually measured or is not affected by radiation. I can not know what it is.
  • the measuring device for vehicles measures a physical quantity
  • various situations may arise besides the situation where measurement becomes inaccurate by an external factor as mentioned above.
  • an optical particle concentration sensor it may occur that the dew condensation on the light receiving surface makes the measurement difficult.
  • the vehicular measuring device In order to cause the occupant to accurately grasp the condition of the vehicle, it is not sufficient that the vehicular measuring device merely report only the measurement result, and it is preferable to notify the occupant of the condition of measurement as well.
  • An object of the present disclosure is to provide a vehicle measurement device capable of notifying an occupant of the measurement condition in addition to the measurement result.
  • the measuring apparatus for vehicles concerning this indication is provided with the sensor which measures a specific physical quantity, and the reporting part which reports a measurement result by a sensor to a crew member.
  • the notification unit notifies the occupant in one notification mode selected according to the situation from among a plurality of notification modes set in advance.
  • notification to the occupant is performed in the notification mode selected according to the situation. Therefore, the occupant can not only know the measurement result but also know the state of measurement based on the notification mode.
  • a vehicle measurement device capable of notifying an occupant of the condition of measurement in addition to the measurement result.
  • FIG. 1 is a view schematically showing the configuration of a measurement apparatus for a vehicle according to the present embodiment.
  • FIG. 2 is a view showing a normal mode which is one of the notification modes of the notification unit.
  • FIG. 3 is a diagram showing an aspect of stopping the control which is one of the notification aspects of the notification unit.
  • FIG. 4 is a diagram showing another example of the control suspension state shown in FIG.
  • FIG. 5 is a figure which shows the aspect in preparation which is one of the alerting modes of an alerting
  • FIG. 6 is a diagram showing an abnormal state which is one of the notification modes of the notification unit.
  • FIG. 7 is a diagram showing an insufficient control mode, which is one of the notification modes of the notification unit.
  • FIG. 8 is a flowchart showing the flow of processing executed by the control unit.
  • the measuring apparatus 10 for vehicles which concerns on this embodiment is demonstrated, referring FIG.
  • the measuring apparatus 10 for vehicles is an apparatus provided in a vehicle (the whole is not shown), and is comprised as an apparatus which measures the density
  • the measuring device 10 for vehicles measures the said density
  • concentration measured by the vehicle measuring device 10 is hereinafter also referred to as "particle concentration".
  • particle concentration Prior to the description of the configuration of the vehicle measurement device 10, the configuration of the air conditioner 20 will be described first.
  • the air conditioner 20 is a device for performing air conditioning of the vehicle interior.
  • the air conditioner 20 includes an air conditioning case 200, a fan 250, a particle filter 240, and a heat exchange unit 260.
  • the air conditioning case 200 is a tubular member for guiding the air to be air conditioned into the vehicle compartment. Inside the air conditioning case 200, the air flows from the left side to the right side in FIG. In the air conditioning case 200, an inside air introducing unit 210, an outside air introducing unit 220, a face duct 270, and a foot duct 280 are formed.
  • the inside air introduction unit 210 is an introduction port for introducing the air (inside air) inside the vehicle compartment into the inside of the air conditioning case 200.
  • the outside air introduction unit 220 is an introduction port for introducing the air outside the vehicle (outside air) into the inside of the air conditioning case 200.
  • the inside air introducing unit 210 and the outside air introducing unit 220 are formed to be aligned in the upstream side portion of the air conditioning case 200.
  • An inside / outside air switching door 230 is provided between the inside air introduction unit 210 and the outside air introduction unit 220.
  • the inside / outside air switching door 230 is a door for switching between the state where only the inside air introducing unit 210 is opened (FIG. 1) and the state where only the outside air introducing unit 220 is opened.
  • FIG. 1 the state where only the inside air introducing unit 210 is opened
  • the inside air taken in from the vehicle compartment is air-conditioned and blown into the vehicle room, that is, the inside air circulating state.
  • the outside air introducing unit 220 is open, the outside air taken in from the outside of the vehicle is air-conditioned and blown out into the vehicle interior, that is, the outside air circulating state.
  • the operation of the inside / outside air switching door 230 is controlled by a control unit 130 described later.
  • the face duct 270 and the foot duct 280 are both exhaust ports for introducing the conditioned air into the vehicle compartment.
  • the face duct 270 and the foot duct 280 are formed on the downstream side of the air conditioning case 200.
  • the face duct 270 is connected to a face outlet (not shown) for blowing conditioned air toward the face of the occupant.
  • the foot duct 280 is connected to a foot outlet (not shown) for blowing conditioned air toward the feet of the occupant.
  • a face door 271 is provided at the inlet of the face duct 270.
  • conditioned air is supplied from the face duct 270 toward the face outlet.
  • a foot door 281 is provided at the inlet of the foot duct 280.
  • conditioned air is supplied from the foot duct 280 toward the foot outlet.
  • the operations of the face door 271 and the foot door 281 are controlled by the control unit 130.
  • downstream side of the face duct 270 may be branched into two, and one of them may be connected to a defroster outlet (not shown) formed in the vicinity of the window.
  • the fan 250 is a blower for delivering air to the downstream side inside the air conditioning case 200.
  • the control unit 130 controls the number of rotations of the fan 250, that is, the amount of conditioned air blown out from the air conditioner 20.
  • the particle filter 240 is a filter for removing the microparticles contained in the air from the air passing through the air conditioning case 200.
  • the particle filter 240 is provided at a position downstream of the inside air introducing unit 210 and the outside air introducing unit 220 and on the upstream side of the fan 250.
  • the heat exchange unit 260 is a portion that performs air conditioning by heat exchange with a refrigerant or the like.
  • the heat exchange unit 260 is provided downstream of the fan 250 and upstream of the face duct 270 and the foot duct 280.
  • the heat exchange unit 260 includes an evaporator for dehumidifying and cooling the air, a heater core for heating the air, an air mix door for adjusting the flow rate of the air passing through them, and the like. ) Is provided.
  • omitted since a well-known thing can be employ
  • the configuration of the vehicle measuring device 10 will be described with reference to FIG. 1 continuously.
  • the vehicular measurement device 10 includes a particle sensor 110, a notification unit 120, and a control unit 130.
  • the particle sensor 110 is a sensor for measuring the particle concentration in the air. As shown in FIG. 1, one end of an introduction pipe 290 is connected to the air conditioning case 200 at a position downstream of the particle filter 240 and upstream of the fan 250. The other end of the introduction pipe 290 is open to the passenger compartment. The particle sensor 110 is provided at a position in the middle of the introduction pipe 290. When the air is flowing inside the air conditioning case 200, the negative pressure generated on the air conditioning case 200 side also causes the air flow in the introduction pipe 290. That is, a flow of air from the vehicle interior to the inside of the air conditioning case 200 through the introduction pipe 290 occurs. The particle sensor 110 measures the concentration of microparticles contained in the air, and transmits the concentration to the control unit 130 as an electrical signal.
  • the particle sensor 110 has a light emitting unit and a light receiving unit, and air is configured to flow between the two. As the particle concentration of the air increases, the amount of light received by the light receiving unit decreases accordingly. The particle sensor 110 measures the particle concentration based on the amount of light received by the light receiving unit.
  • the air flow in the introduction pipe 290 needs to occur. For this reason, the measurement of the particle concentration by the particle sensor 110 in the present embodiment is performed only in a state in which the air conditioner 20 is performing air conditioning.
  • the notification unit 120 is a part that notifies the occupant of the measurement result by the particle sensor 110 (that is, the magnitude of the particle concentration).
  • the notification unit 120 is configured as a liquid crystal display panel. That is, the notification to the occupant in the present embodiment is performed by visual display. Instead of such an aspect, the notification to the occupant by the notification unit 120 may be performed by voice or the like.
  • the operation of the notification unit 120 is controlled by the control unit 130.
  • the control unit 130 is a device for controlling the overall operation of the vehicular measuring device 10.
  • the control unit 130 is configured as a computer system provided with a CPU, a ROM, a RAM, and the like. As described above, the control unit 130 controls the operation of the inside / outside air switching door 230, the fan 250, and the like. That is, the control unit 130 in the present embodiment is configured as a device that also controls the operation of the air conditioner 20.
  • an ECU for controlling the operation of the air conditioner 20 may be provided separately from the control unit 130.
  • part of the operation of the air conditioner 20 may be indirectly controlled by the control unit 130 communicating with the ECU.
  • the control unit 130 is capable of performing particle removal control.
  • the particle removal control is control for efficiently removing particulates by the particle filter 240.
  • the control unit 130 increases the rotational speed of the fan 250 to a predetermined value or more after setting the inside air introduction unit 210 to the open state by the inside / outside air switching door 230, that is, the inside air circulation state. This makes it possible to efficiently remove the particulates by the particle filter 240 while preventing the particulates from entering the vehicle compartment from the outside.
  • Such particle removal control can be said to be control that affects the measurement of particle concentration by the particle sensor 110.
  • the particle removal control may be automatically started, or may be started based on an operation performed by an occupant on a switch or the like.
  • reporting part 120 is demonstrated.
  • the notification to the occupant by the notification unit 120 is not always performed by the same notification mode, but is performed by one notification mode selected according to the situation from among a plurality of preset notification modes.
  • FIG. 2 What is shown in FIG. 2 is a notification mode used when the measurement by the particle sensor 110 is normally performed. Such a notification mode indicates to the occupant that the measurement by the particle sensor 110 is normally performed. Therefore, the notification mode of FIG. 2 is hereinafter also referred to as a “normal mode”.
  • FIG. 3 shows a notification mode used when the particle removal control described above is not performed. Such notification mode indicates to the occupant that the particle removal control is stopped. Therefore, the notification mode of FIG. 3 is hereinafter also referred to as the “control in-stop mode”.
  • the notification mode shown in FIG. 3 can also be said to be an “in-stop mode” indicating that the measurement by the particle sensor 110 is stopped. That is, in the present embodiment, the control stop mode and the stop mode are set as the same mode, and they are used in the same scene.
  • measurement of the particle concentration by the particle sensor 110 may be performed even in a situation where particle removal control is not performed.
  • the notification mode illustrated in FIG. 4 may be used.
  • the bars (B1 to B5) are displayed in the same manner as in the normal mode of FIG. 2, while the character string ST "in control stop” is also displayed.
  • the notification mode shown in FIG. 3 corresponds to the “stopping mode”
  • the notification mode shown in FIG. 4 corresponds to the “control stopping mode”.
  • FIG. 5 Shown in FIG. 5 is a notification mode used when the particle sensor 110 is in preparation for measurement. Such notification mode indicates to the occupant that preparation for measurement by the particle sensor 110 is in progress. For this reason, the notification mode of FIG. 5 is hereinafter also referred to as the “under preparation mode”.
  • this preparation-in-progress mode is used.
  • the preparation mode none of the bars B1 to B5 of FIG. 2 are displayed on the screen of the notification unit 120, and only a circular arrow as shown in FIG. 5 is displayed.
  • FIG. 6 What is shown in FIG. 6 is a notification mode used when the measurement by the particle sensor 110 is not normally performed. Such a notification mode indicates to the occupant that measurement by the particle sensor 110 is not normally performed. Therefore, the notification mode of FIG. 6 is hereinafter also referred to as an “abnormal mode”.
  • this abnormal aspect is used.
  • it can be determined based on the temperature and humidity of the vehicle interior which were measured by another sensor, for example that it is the condition which dew condensation has produced on the light-receiving surface of the particle sensor 110.
  • this abnormal aspect may be used based on the result of the self-diagnosis performed by the particle sensor 110.
  • the bar B1 or the like is displayed in a blinking state.
  • such blinking bars B1 and the like are shown by dotted lines.
  • the bar B1 or the like may be displayed in a dimmed state.
  • FIG. 7 What is shown in FIG. 7 is a notification mode used when the particle removal control is not sufficiently executed. Such a notification mode indicates to the occupant that particle removal control is not sufficiently executed. For this reason, the notification mode of FIG. 7 is hereinafter also referred to as the “insufficient control mode”.
  • only one of the bars B1 to B5 indicates the current measurement value.
  • the highest bar B3 as shown in FIG. Only the lower bars B2 and B1 are not displayed.
  • examples of the situation where the particle removal control is not sufficiently executed include, for example, a situation where the number of rotations of the fan 250 is reduced by the operation of the occupant. be able to.
  • a process performed by the control unit 130 to switch the notification mode will be described with reference to FIG.
  • a series of processes shown in FIG. 8 are repeatedly executed by the control unit 130 each time a predetermined control cycle elapses.
  • step S01 it is determined whether or not particle removal control is being performed. If the particle removal control is being performed, the process proceeds to step S02.
  • step S02 it is determined whether preparation for measurement by the particle sensor 110 is completed. Here, the determination is performed based on whether or not a predetermined period has elapsed since the vehicle was activated. If it is determined that preparation for measurement by the particle sensor 110 is completed (that is, if a predetermined period has elapsed since activation), the process proceeds to step S03.
  • step S03 it is determined whether the measurement by the particle sensor 110 is normally performed.
  • the air temperature and humidity inside the vehicle compartment are such that the dew condensation does not occur on the light receiving surface of the particle sensor 110, it is determined that the measurement by the particle sensor 110 is normally performed.
  • the measurement by the particle sensor 110 is normally performed, it transfers to step S04.
  • step S04 it is determined whether particle removal control is sufficiently executed.
  • the particle removal control is sufficiently executed when the inside air introduction unit 210 is in the open state (that is, the inside air circulation state) and the rotational speed of the fan 250 is equal to or more than a predetermined value. Ru. Otherwise, it is determined that the particle removal control is not sufficiently executed.
  • step S05 notification to the occupant by the notification unit 120 is performed by using the normal mode of FIG.
  • step S04 If it is determined in step S04 that the particle removal control is not sufficiently executed, the process proceeds to step S06.
  • step S06 notification to the occupant by the notification unit 120 is performed by using the control insufficient state of FIG.
  • step S07 notification to the occupant by the notification unit 120 is performed by using the abnormality mode of FIG. Further, in step S07, information indicating a history that an abnormality has occurred in particle sensor 110 is recorded in a storage device (for example, non-volatile memory) (not shown) included in control unit 130. The information is used as so-called diagnostic information at the time of failure analysis or the like later.
  • a storage device for example, non-volatile memory
  • step S02 When it is determined in step S02 that preparation for measurement by the particle sensor 110 is not completed (that is, when a predetermined period has not elapsed since activation), the process proceeds to step S08.
  • step S08 notification to the occupant by the notification unit 120 is performed by using the preparation in progress mode of FIG.
  • step S09 notification to the occupant by the notification unit 120 is performed by using the control in-stop mode of FIG.
  • the notification to the occupant is performed in one notification mode selected according to the situation from among a plurality of notification modes set in advance. Therefore, the occupant can not only know the measurement result (the size of the particle concentration) but also know the state of measurement based on the notification mode.
  • the plurality of notification modes set in advance may include notification modes other than the modes described above.
  • each of the notification modes shown in FIGS. 2 to 7 is merely an example, and a notification mode different from the above description may be used.
  • the particle concentration may not be displayed by the number of bars B1 or the like, but may be displayed by a numerical value.
  • the occupant instead of notifying the occupant by the screen display of the notification unit 120, for example, the occupant may be notified by voice. In this case, for example, the notification to the occupant may be performed in an insufficient control mode in which a voice such as "the PM removal efficiency is reduced because it is in the open air circulation state" is emitted. .
  • the specific physical quantity measured by the sensor has been described as being the concentration of microparticles floating in the air, but the physical quantity to be measured is other than the particle concentration May be For example, the inside temperature or the outside temperature may be used.
  • reporting aspects may occur simultaneously. For example, condensation may occur on the light receiving surface of the particle sensor 110, and particle removal control may not be performed. In such a situation, a dedicated notification mode corresponding to the situation may be used, or a notification mode corresponding to each situation occurring simultaneously may be alternately used. Further, among the notification modes corresponding to the respective situations occurring simultaneously, only the notification mode having the highest priority set in advance may be used.
  • the abnormal mode and the control stop mode are alternately alternated every several seconds, for example. It is also possible to switch. Also, among these, only the high-priority abnormal mode may be used. It is preferable to use only one notification mode with high priority, because the occupant can easily understand the situation. As the priority of the notification mode, it is preferable to set the priority of the abnormal mode to the highest.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

La présente invention a trait à un dispositif de mesure pour véhicule (10) qui est pourvu d'un capteur (110) pour mesurer une quantité physique spécifique et d'une unité de rapport (120) pour rapporter un résultat de mesure du capteur à un passager. L'unité de rapport utilise un mode de rapport sélectionné parmi une pluralité de modes de rapport prédéfinis en fonction des circonstances pour rendre compte à un passager.
PCT/JP2018/020460 2017-07-07 2018-05-29 Dispositif de mesure pour véhicule WO2019008945A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017133713A JP2019014391A (ja) 2017-07-07 2017-07-07 車両用測定装置
JP2017-133713 2017-07-07

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WO2019008945A1 true WO2019008945A1 (fr) 2019-01-10

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7484665B2 (ja) * 2020-10-30 2024-05-16 株式会社デンソー 車両用空調制御装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000089821A (ja) * 1998-09-10 2000-03-31 Toshiba Joho Seigyo System Kk 監視制御システム
JP2000177379A (ja) * 1998-12-21 2000-06-27 Equos Research Co Ltd 空気清浄システム
JP2009150581A (ja) * 2007-12-19 2009-07-09 Shinyei Technology Co Ltd 室内環境判定機
JP2009174937A (ja) * 2008-01-23 2009-08-06 Ngk Spark Plug Co Ltd ガス検出装置および車両用空調システム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000089821A (ja) * 1998-09-10 2000-03-31 Toshiba Joho Seigyo System Kk 監視制御システム
JP2000177379A (ja) * 1998-12-21 2000-06-27 Equos Research Co Ltd 空気清浄システム
JP2009150581A (ja) * 2007-12-19 2009-07-09 Shinyei Technology Co Ltd 室内環境判定機
JP2009174937A (ja) * 2008-01-23 2009-08-06 Ngk Spark Plug Co Ltd ガス検出装置および車両用空調システム

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