JP2018103946A - Air conditioner for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air conditioner for a vehicle capable of providing occupants of the vehicle including a driver with a comfortable air conditioning feeling.SOLUTION: An air conditioner 10 for a vehicle comprises: a priority area selection part 201 which divides the inside of a cabin into a plurality of areas and allows selection of a priority air conditioning area to which a priority is given in air conditioning; a detection area determination part 202 for determining a priority detection area to which a priority is given in temperature detection on the basis of a selection result of the priority area selection part 201; and a display control part 203 for making a display panel 42 display a hot feeling display which reflects the temperature detected on the basis of a determination result of the detection area determination part 202.SELECTED DRAWING: Figure 1

Description

  The present disclosure relates to a vehicle air conditioner.

  As a vehicle air conditioner, for example, as described in Patent Document 1 below, the vehicle air conditioner is specialized for the case where there is only one driver in the passenger compartment and is intended to give a comfortable feeling of air conditioning to the driver. Are known.

JP 2009-292293 A

  In Patent Document 1, the driver's sense of heat cannot be grasped, and there are cases where the air conditioning is not necessarily comfortable for the driver. Moreover, in addition to not being able to grasp the driver's feeling of heat, and also not being able to grasp the feeling of heat of other passengers, it is not always possible to provide comfortable air conditioning for all passengers. It cannot be said that it is.

  An object of the present disclosure is to provide a vehicle air conditioner capable of giving a comfortable feeling of air conditioning to a vehicle occupant including a driver.

  The present disclosure is an air conditioner for a vehicle, which divides a vehicle interior into a plurality of regions and selects a priority air conditioning region that prioritizes air conditioning, and a selection result by the priority region selecting unit. A detection region determination unit (202) that determines a priority detection region that prioritizes temperature detection, and a display control unit that causes the display panel to display a thermal sensation that reflects the temperature detected based on the determination result of the detection region determination unit (203).

  According to the present disclosure, a priority air-conditioning area that prioritizes air-conditioning is selected, and a priority detection area is determined so as to correspond to the selected priority air-conditioning area. Therefore, priority is given to the thermal sensation of a passenger seated in the selected priority air-conditioning area. Thus, temperature detection can be performed. Furthermore, by displaying the thermal feeling reflecting the temperature detected in the priority detection area, it is possible to confirm the thermal feeling of the passenger seated in the priority air conditioning area.

  Reference numerals in parentheses described in “Means for Solving the Problems” and “Claims” indicate a correspondence relationship with “Mode for Carrying Out the Invention” described later, It does not indicate that “means for solving the problems” and “claims” are limited to “mode for carrying out the invention” described later.

  According to the present disclosure, it is possible to provide a vehicle air conditioner capable of giving a comfortable air conditioning feeling to a vehicle occupant including a driver.

FIG. 1 is a block configuration diagram showing a functional configuration of a vehicle air conditioner. FIG. 2 is a diagram for explaining the operation panel shown in FIG. FIG. 3 is a diagram for explaining the display panel shown in FIG. FIG. 4 is a diagram for explaining the behavior of the infrared sensor shown in FIG. FIG. 5 is a diagram for explaining the behavior of the infrared sensor shown in FIG. 1.

  Hereinafter, the present embodiment will be described with reference to the accompanying drawings. In order to facilitate the understanding of the description, the same constituent elements in the drawings will be denoted by the same reference numerals as much as possible, and redundant description will be omitted.

  As shown in FIG. 1, the vehicle air conditioner 10 according to this embodiment includes a temperature detection control unit 20, a sensor holding unit 30, an air conditioning control unit 40, an operation panel 41, and a display panel 42. I have.

  The temperature detection control unit 20 and the sensor holding unit 30 are configured to be capable of data communication with each other. The air conditioning control unit 40 controls a refrigeration cycle, a blower fan, and an air mix door (all not shown) included in the vehicle air conditioner 10 and air-conditions the vehicle interior in which the vehicle air conditioner 10 is mounted. is there. The air conditioning control unit 40 air-conditions the vehicle interior based on information output from the temperature detection control unit 20.

  The sensor holding unit 30 includes an infrared sensor 301 and a sensor driving unit 302. The sensor holding unit 30 is a part that holds the infrared sensor 301. The sensor driving unit 302 is configured to be able to move the infrared sensor 301 to a predetermined range in a predetermined direction. The sensor driving unit 302 drives the infrared sensor 301 based on the instruction signal output from the temperature detection control unit 20.

  In the infrared sensor 301, a plurality of infrared detection elements are arranged in a matrix. The temperature data detected by the infrared detection element is output to the temperature detection control unit 20.

  The temperature detection control unit 20 includes a CPU, a RAM, a ROM, and an input / output port. The temperature detection control unit 20 is configured to be able to communicate information with other ECUs (Electronic Control Units) mounted on the vehicle through the in-vehicle network. The temperature detection control unit 20 includes a priority region selection unit 201, a detection region determination unit 202, a display control unit 203, and a drive control unit 204 as functional components.

  The priority area selection unit 201 is a part that divides the vehicle interior into a plurality of areas and selects a priority air-conditioning area that prioritizes air conditioning. The priority area selection unit 201 can accept information input to the operation panel 41 as selection information for an area where air conditioning is prioritized.

  An example of the operation panel 41 will be described with reference to FIG. As shown in FIG. 2, “all seats”, “Fr left”, “Fr right”, “Rr left”, “Rr” can be selected and input to the operation panel 41 as the “temperature detection position” so that an area where air conditioning is prioritized can be selected. A selection button such as “Right” is displayed.

  When “all seats” is selected, the priority area selection unit 201 recognizes that all the seats have been selected as the priority air conditioning areas. When “Fr left” is selected, it is recognized that the left seat of the front seat is selected as the priority air conditioning area. When “Fr right” is selected, it is recognized that the right seat of the front seat is selected as the priority air-conditioning area. When “Rr left” is selected, it is recognized that the left seat on the left side of the rear seat is selected as the priority air-conditioning area. When “Rr right” is selected, it is recognized that the right seat of the rear seat is selected as the priority air conditioning area. The priority area selection unit 201 outputs information for identifying the recognized priority air conditioning area to the detection area determination unit 202.

  The detection area determination unit 202 is a part that determines a priority detection area that prioritizes temperature detection based on the selection result by the priority area selection unit 201. When the selection result by the priority area selection unit 201 is “all seats”, the detection area determination unit 202 determines an area including at least occupants seated in all seats as the priority detection area. When the selection result by the priority area selection unit 201 is “Fr left”, the detection area determination unit 202 determines an area including at least an occupant seated on the left seat of the front seat as the priority detection area. When the selection result by the priority area selection unit 201 is “Fr right”, the detection area determination unit 202 determines an area including at least an occupant seated on the right seat of the front seat as the priority detection area. When the selection result by the priority area selection unit 201 is “Rr left”, the detection area determination unit 202 determines, as the priority detection area, an area including at least an occupant seated in the left seat of the rear seat. When the selection result by the priority area selection unit 201 is “Rr right”, the detection area determination unit 202 determines an area including at least an occupant seated in the right seat of the rear seat as the priority detection area.

  The detection area determination unit 202 determines an area including at least an occupant seated in each priority area as the priority detection area. The priority detection area may be a narrow area including only the occupant, or may be set as a relatively wide area including a seat, window glass, or ceiling near the occupant.

  The display control unit 203 is a part that causes the display panel 42 to display a thermal sensation that reflects the temperature detected based on the determination result of the detection region determination unit 202. An example of the thermal display displayed on the display panel 42 will be described with reference to FIG. In FIG. 3, a region having a relatively low thermal sensation is indicated by light gray, and a region having a relatively high thermal sensation is indicated by dark gray.

  When the priority detection area is an area including at least occupants seated in all the seats, naturally, a thermal sensation display as shown in FIG. 3 is displayed. If the priority detection area is an area that includes at least an occupant seated in any of the seats, only the occupants seated in any of the seats may display the thermal sensation. It is preferable to display a thermal feeling for a region including at least an occupant seated on the vehicle.

  For example, even when “Fr left” is selected as the priority air-conditioning area and the temperature is preferentially detected for the passenger sitting in the left seat of the front seat and the surrounding area, the passenger sitting in the other seats Further, the temperature may be detected for the surroundings. The priority air-conditioning area and priority detection area are areas that detect temperature preferentially. Therefore, after performing temperature detection for the priority detection area, perform temperature detection for non-priority areas other than the priority detection area. Can do.

  It is preferable to display on the display panel 42 when the temperature fluctuates in an uncomfortable direction in the priority detection area and the non-priority area. The indication that the temperature fluctuated in an uncomfortable direction may be displayed in text or in color.

  The drive control unit 204 is a part that outputs a drive instruction to the sensor drive unit 302 so that the detection direction of the infrared sensor 301 continuously changes. As shown in FIG. 4, the infrared sensor 301 is driven so that the detection direction continuously changes vertically and horizontally in order to detect the temperature in the passenger compartment 5.

  With reference to FIG. 5, a mode in which the infrared sensor 301 is driven to detect the temperature of the priority detection area will be described. As shown in FIG. 5, front seats 50, 51 are provided on the infrared sensor 301 side in the vehicle interior 5, and the rear seats are located on the far side of the infrared sensor 301 across the front seats 50, 51. 52 is provided. An occupant HFR is seated on the front seat 50, and an occupant HFL is seated on the front seat 51. An occupant HRR, an occupant HRC, and an occupant HRL are seated on the rear seat 52 in order from the right side when viewed from the infrared sensor 301.

  A side window 61 is provided on the side of the front seat 51. A side window 62 is provided on the side of the front seat 50. Side windows 63 and 64 are provided on the side of the rear seat 52. A rear glass 65 is provided behind the rear seat 52.

  For example, the infrared sensor 301 may use a narrow area around the occupant HFL as the priority detection area ZFL after setting the area including the front seat 51 as the priority air-conditioning area. By setting the narrow range as the priority detection area ZFL, temperature detection can be performed quickly. Further, in the priority detection area ZFL, the driving step of the infrared sensor 301 can be made fine so that the resolution is improved.

  The infrared sensor 301 uses, for example, a region including the front seat 50 as a priority air-conditioning region, and also uses a relatively wide range including the front seat 50 and the side window 62 as the priority detection region ZFR in addition to the occupant HFR. Good. Since not only the surface temperature of the occupant HFR but also the radiation temperature from the surroundings of the occupant HFR can be detected, the thermal feeling can be captured more accurately.

  As described above, the vehicle air conditioner 10 according to the present embodiment divides the interior of the passenger compartment 5 into a plurality of areas, and the priority area selection unit 201 that selects a priority air conditioning area that prioritizes air conditioning, and the priority area selection unit 201. Based on the selection result, the detection area determination unit 202 that determines the priority detection area that prioritizes temperature detection, and the display of the thermal feeling that reflects the temperature detected based on the determination result of the detection area determination unit 202 is performed on the display panel. A display control unit 203.

  According to this embodiment, the priority air-conditioning area that prioritizes air-conditioning is selected, and the priority detection area is determined so as to correspond to the selected priority air-conditioning area. Temperature detection can be performed so that priority is given. Furthermore, by displaying the thermal feeling reflecting the temperature detected in the priority detection area, it is possible to confirm the thermal feeling of the passenger seated in the priority air conditioning area.

  In the present embodiment, the priority area selection unit 201 accepts selection of an area that prioritizes air conditioning. More specifically, based on information input to the operation panel 41, selection of an area where air conditioning is prioritized is accepted. By doing in this way, the priority air-conditioning area reflecting the passenger's intention can be selected. Moreover, since the thermal feeling display is performed on the display panel 42, an occupant can confirm the effect of designating the priority air-conditioning region, and the designated effect can be clearly recognized. In particular, if a passenger who is not able to convey the thermal feeling well in the back seat is on board, or if there is a passenger who has become less sensitive to thermal feeling, another passenger will recognize the specified effect. By being able to do so, it can be reflected in the temperature adjustment of the air conditioning. Furthermore, when the thermal sensation in the priority air conditioning area is improved as compared with other areas, it can be displayed that it is better to treat the thermal sensation outside the priority air conditioning area. The air-conditioning control unit 40 can operate so as to preferentially air-condition the priority air-conditioning region, or operate so as to perform air-conditioning that reflects the feeling of heat.

  Moreover, in this embodiment, the infrared sensor 301 which detects the temperature in the compartment 5 according to the determination result of the detection area determination part 202 is further provided. Since the infrared sensor 301 detects the temperature in the passenger compartment 5 according to the determination result of the detection area determination unit 202, only the vicinity of the designated occupant can be detected finely and quickly.

  In the present embodiment, a sensor drive unit 302 that drives the infrared sensor 301 is further provided. By driving the infrared sensor 301, the temperature detection range of the infrared sensor 301 can be made wider.

  In the present embodiment, the sensor driving unit 302 drives the infrared sensor 301 so that not only the passenger surface temperature but also the temperature around the passenger can be detected in the priority detection region. By detecting the temperature around the occupant, the occupant's thermal feeling can be captured more accurately.

  In this embodiment, the sensor driving unit 302 drives the infrared sensor 301 so that the resolution is improved in the priority detection area. By driving in this way, the accuracy of temperature detection in the priority detection region can be improved.

  In the present embodiment, the display control unit 203 can also display that when the temperature of the non-priority area other than the priority detection area fluctuates in an uncomfortable direction.

  The present embodiment has been described above with reference to specific examples. However, the present disclosure is not limited to these specific examples. Those in which those skilled in the art appropriately modify the design of these specific examples are also included in the scope of the present disclosure as long as they have the features of the present disclosure. Each element included in each of the specific examples described above and their arrangement, conditions, shape, and the like are not limited to those illustrated, and can be changed as appropriate. Each element included in each of the specific examples described above can be appropriately combined as long as no technical contradiction occurs. For example, using a wearable skin temperature sensor, it is also preferable to preferentially air-condition a seating location where the skin temperature is close to an uncomfortable region.

201: Priority area selection unit 202: Detection area determination unit 203: Display control unit

Claims (7)

A vehicle air conditioner,
A priority area selection unit (201) that divides the passenger compartment into a plurality of areas and selects a priority air conditioning area that prioritizes air conditioning;
A detection region determination unit (202) for determining a priority detection region that prioritizes temperature detection based on a selection result by the priority region selection unit;
A vehicle air conditioner comprising: a display control unit (203) that causes a display panel to display a thermal sensation reflecting a temperature detected based on a determination result of the detection region determination unit. The vehicle air conditioner according to claim 1,
The said priority area | region selection part is a vehicle air conditioner which receives selection of the area | region which gives priority to air conditioning. The vehicle air conditioner according to claim 1 or 2,
Furthermore, a vehicle air conditioner provided with the infrared sensor (301) which detects the temperature in the said vehicle interior according to the determination result of the said detection area determination part. The vehicle air conditioner according to claim 3,
Furthermore, the vehicle air conditioner provided with the sensor drive part (302) which drives the said infrared sensor. The vehicle air conditioner according to claim 4,
The vehicle air conditioner that drives the infrared sensor so that the sensor driving unit can detect not only the passenger surface temperature but also the temperature around the passenger in the priority detection region. The vehicle air conditioner according to claim 5,
The vehicle air conditioner that drives the infrared sensor so that the resolution is improved in the priority detection area. The vehicle air conditioner according to claim 1 or 2,
The said display control part is a vehicle air conditioner which displays that, when the temperature of non-priority area | regions other than the said priority detection area | region shakes in an unpleasant direction.

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