JPWO2008044435A1 - Air conditioning system for open car - Google Patents

Abstract

An air conditioning system that can perform comfortable air conditioning control when an open car is driven in an open state. A cooling / heating system 100 in an open car includes a vehicle speed detection sensor (vehicle speed detection means) 1 for detecting a vehicle speed, and an air conditioner (air conditioning equipment for in-vehicle equipment) based on the vehicle speed detected by the vehicle speed detection sensor 1. A set value computing device (set value computing means) 2 for obtaining the set value of the vehicle and an operating condition control device (operating condition) for controlling the operating conditions of the air conditioner for in-vehicle equipment according to the set value obtained by the set value computing device 2 Control means) 3 and is configured to automatically control the operating conditions of the air conditioner for in-vehicle equipment according to the vehicle speed.

Description

  The present invention relates to an air conditioning system in an open car.

  Conventionally, when an open car is driven in an open state (with the roof open), outside air enters the inside of the vehicle, and the effect of cooling and heating is less likely to act, and the amount of outside air entering the inside of the vehicle increases or decreases depending on the vehicle speed. There is a problem that it is difficult to perform stable air conditioning control during traveling. For this reason, it is difficult to keep the passenger's sensible temperature constant, there is a problem that it is easy to feel heat at low speed driving in summer when the outside temperature is high, and cold at high speed driving in winter when the outside air temperature is low It was difficult to ride comfortably.

  Therefore, in Patent Document 1, when the open car is in the open state, control is performed to increase the air conditioning in the vehicle as compared with the closed state (the roof is closed), and the open car is driven in the open state. It has been proposed that the air conditioning control be performed efficiently.

Moreover, in patent document 2 and patent document 3, even if it drive | workes in an open state, a heating apparatus is provided in in-vehicle equipment, such as a steering wheel, a backrest part of a seat, and a headrest, so that it can run comfortably at high speed without feeling cold. It is known to provide.
Japanese Patent Laid-Open No. 7-266841 Japanese Patent Laid-Open No. 2003-19964 JP 2005-349864 A

  However, in the air conditioner described in Patent Document 1 described above, when the open car is traveled in an open state, the temperature of sensation varies depending on the vehicle speed. There was room for improvement.

  Moreover, in the heating apparatus for in-vehicle equipment described in Patent Document 2 and Patent Document 3 described above, the passenger is configured to adjust the temperature by switching the switch by himself, so that the open car travels in an open state. In this case, it is necessary for the occupant to switch the switch appropriately according to the sensory temperature that changes depending on the vehicle speed, and there is room for further improvement in terms of comfortable air conditioning control in the open state. .

  Then, this invention is made | formed in view of the said situation, and makes it a subject to provide the air conditioning system for open cars which can perform comfortable air-conditioning control, when an open car drive | works in an open state.

  In order to solve such a problem, the present invention is an air conditioning system for an open car, which is a vehicle speed detecting means for detecting a vehicle speed, and an air conditioning apparatus for in-vehicle equipment based on the vehicle speed detected by the vehicle speed detecting means. A set value calculating means for obtaining the set value, and an operating condition control means for controlling the operating condition of the air conditioner for in-vehicle equipment according to the set value obtained by the set value calculating means, according to the vehicle speed, Provided is an air conditioner system for an open car that automatically controls the operating conditions of the air conditioner for interior equipment.

  Here, in the cooling / heating system for an open car according to the present invention, the vehicle further includes a roof opening / closing detection means for detecting opening / closing of the roof, and the vehicle speed detection means, You may comprise so that the process by a setting value calculating means and the said operating condition control means may be controlled automatically.

  Further, in the air conditioning system for an open car according to the present invention, further comprising a temperature detection means for detecting an outside temperature, based on the outside temperature detected by the temperature detection means and the vehicle speed detected by the vehicle speed detection means, You may comprise so that the setting value of the said setting value calculating means may be calculated | required.

  Furthermore, in the air conditioning system for an open car according to the present invention, the air conditioning system for in-vehicle equipment includes at least one selected from an air conditioning system, a steering wheel heater, a necklace heater, and a seat heater.

  According to the air conditioning system for an open car according to the present invention, the operation conditions of the air conditioning equipment for in-vehicle equipment are automatically controlled according to the vehicle speed, thereby efficiently performing the air conditioning control when traveling in the open state. Can be done.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
<First Embodiment>

FIG. 1 is a block diagram showing an example of an air conditioning system for an open car according to the present invention.
The air conditioning system 100 according to the present embodiment is applied to an open car having a roof that can be freely opened and closed. As shown in FIG. 1, a vehicle speed detection sensor (vehicle speed detection means) 1 that detects a vehicle speed and the vehicle speed detection sensor 1 Based on the detected vehicle speed, an air flow calculation device (setting value calculation means) 2 that determines a set value of the air flow rate and the air temperature sent from the air outlet of the air conditioner (air conditioner for in-vehicle equipment), and the air flow calculation device And an operating condition control device (operating condition control means) 3 for controlling the operating condition of the air conditioner according to the set value obtained in 2. The operating condition of the air conditioner is automatically controlled according to the vehicle speed. It is configured to be.

  This air-conditioning system 100 can be switched from a normal air-conditioning mode that can be operated manually or automatically regardless of the vehicle speed by turning on an air-conditioning operation changeover switch provided in the vehicle. It has become.

  The vehicle speed detection sensor 1 is configured to detect the vehicle speed by detecting an induced current generated according to the rotation of a pulse generator attached to the mission and obtaining it through a predetermined waveform correction circuit.

  The air blow calculation device 2 is configured to determine set values for the air flow rate and the air blowing temperature based on the vehicle speed detected by the vehicle speed detection sensor 1. Here, as shown in FIGS. 2 and 3, the calculation for determining the set values of the blowing amount and the blowing temperature is performed by a program written in advance in ROМ or the like.

  Here, when the air conditioner is used as heating, as shown in FIG. 2, as a program, a command for determining the set value of the blowing amount and the blowing temperature is set so that the heating action is enhanced as the vehicle speed increases. Has been written.

  On the other hand, when the air conditioner is used for cooling, as shown in FIG. 3, a command for determining the setting values of the blowing amount and the blowing temperature is written as a program so that the cooling action is enhanced as the vehicle speed becomes slow. It is.

  At this time, according to the vehicle speed, the set value of the blowing amount and the blowing temperature may be adjusted in a well-balanced manner, or the setting value of at least one of the blowing amount and the blowing temperature is fixed within a predetermined range, and the other setting value is set. May be adjusted according to the vehicle speed.

  Also, as shown in FIGS. 4 and 5, a program of a plurality of patterns is written in advance in ROMA and the pattern is selected manually or automatically, and calculation is performed based on the selected pattern. It is also possible to determine the set temperature value.

  The operating condition control device 3 is configured to control the air flow rate based on the rotation speed of the blower fan and the air temperature based on the opening degree of the air mix damper according to the set value obtained by the air flow calculation device 2. ing.

Next, an operation example of the above-described air conditioning system 100 will be described with reference to the drawings.
FIG. 6 is a flowchart showing an operation state of the open-car air conditioning system according to the first embodiment.

  This air conditioning system 100 is started by opening the roof of an open car and turning on an air conditioning operation changeover switch that commands activation / deactivation of the air conditioning system 100. If the roof of the open car is closed, the air conditioning operation switch is turned off to switch to the normal air conditioning mode, and the operating conditions of the air conditioner can be controlled automatically or manually regardless of the vehicle speed. preferable.

Next, the vehicle speed is detected by the vehicle speed detection sensor 1 (step S1).
Next, vehicle speed data detected by the vehicle speed detection sensor 1 is sent to the air flow calculation device 2, and the air flow calculation device 2 uses the calculation method shown in FIGS. A set value of temperature is determined (step S2).

  And according to the setting value calculated | required by the ventilation calculation apparatus 2, the driving | running condition control apparatus 3 automatically controls the driving | running condition of an air conditioner, and the blast volume and blast temperature sent from the blower outlet of an air conditioning apparatus are automatic. (Step S3).

  In addition, the process in step S1-S3 mentioned above is performed continuously until the air-conditioning operation switch instruct | indicating the action | operation / stop of the air conditioning system 100 is turned off.

  According to the air conditioning system 100 for open cars in this embodiment, it is provided with the vehicle speed detection sensor 1, the ventilation calculating device 2, and the driving condition control device 3, and the driving condition of the air conditioner is automatically set according to the vehicle speed. By configuring to control, the air conditioner's operating conditions are automatically adjusted so that the cooling action is enhanced during low-speed driving in summer when the outside temperature is high and the heating action is enhanced during high-speed running in winter when the outside temperature is low It becomes possible to control to. Therefore, according to this open car cooling and heating system 100, since the air conditioning control when the open car is run in the open state can be efficiently performed, the passenger can get on comfortably.

<Second Embodiment>
FIG. 7 is a block diagram showing an open car air conditioning system according to the second embodiment.

  As shown in FIG. 7, the air conditioning system 100A according to the present embodiment has a roof open / close detection sensor (roof open / close detection means) that detects the opening / closing of the roof in the open car air conditioning system 100 described in the first embodiment. 4 and a temperature detection sensor (temperature detection means) 5 for detecting the temperature outside the vehicle.

  The roof open / close detection sensor 4 is configured to be able to detect whether the roof is in an open state or a closed state by a switch provided on the ceiling of the vehicle body.

  The temperature detection sensor 5 is configured so that the temperature outside the vehicle can be detected by a sensor attached outside the vehicle.

  The air blow calculation device 2 of the present embodiment is configured to determine the set value of the air flow and the air blowing temperature based on the vehicle speed detected by the vehicle speed detection sensor 1 and the outside temperature detected by the temperature detection sensor 5. Has been.

  Here, the calculation for determining the setting values of the air flow rate and the air temperature is first performed based on the vehicle speed by the program shown in FIGS. 2 and 3 described above or by the program shown in FIGS. 4 and 5 described above. And after calculating the setting value of ventilation temperature, it corrects the calculated setting value based on vehicle exterior temperature.

  At this time, the correction of the set value of the blowing amount and the blowing temperature calculated based on the vehicle speed is such that the outside temperature is lower than the predetermined value so that the cooling action is further enhanced when the outside temperature is higher than the predetermined value. In some cases, it is performed by a program previously written in a ROM or the like so that the heating action is further enhanced.

  That is, in the air conditioning system 100A according to the present embodiment, when the roof opening / closing detection sensor 4 detects that the roof is in the open state, the air conditioning operation changeover switch is automatically turned on, and air conditioning is performed based on the vehicle speed. The apparatus is configured to switch to an automatic control mode in which the operating conditions of the apparatus are automatically controlled.

  Further, in the air conditioning system 100A according to the present embodiment, when the roof opening / closing detection sensor 4 detects that the roof is closed, the air conditioning operation changeover switch is automatically turned off regardless of the vehicle speed. It is configured to switch to a normal air conditioning mode in which the operating conditions of the air conditioner can be controlled automatically or manually.

Next, an operation example of the above-described air conditioning system 100A will be described with reference to the drawings.
FIG. 8 is a flowchart showing an operation state of the air conditioning system 100A according to the second embodiment.

  In the air conditioning system 100A, first, the roof opening / closing detection sensor 4 determines whether or not the roof of the open car is opened and closed (step S10). When the determination in step S10 is “YES”, the air conditioning operation changeover switch of the air conditioning system 100A in this embodiment is automatically switched to the automatic control mode, and the operation of the air conditioning system 100A is started.

  On the other hand, if the determination in step S10 is “NO”, the air conditioning operation changeover switch automatically switches to the normal air conditioning mode, and the operation of the air conditioning system 100A stops.

  Next, the vehicle speed is detected by the vehicle speed detection sensor 1 (step S11) and the temperature outside the vehicle is detected by the temperature detection sensor 5 (step S12) in the same procedure as in the first embodiment described above.

  Next, the vehicle speed data detected by the vehicle speed detection sensor 1 and the vehicle outside temperature data detected by the temperature detection sensor 5 are sent to the air blow calculation device 2. And in the ventilation calculating device 2, after setting the setting value of the blowing amount and the blowing temperature based on the vehicle speed in the same procedure as the first embodiment described above, the calculated setting value is based on the outside temperature. It correct | amends and the setting value of ventilation volume and ventilation temperature is determined (step S13).

  In the same manner as in the first embodiment described above, the operating condition control device 3 automatically controls the operating condition of the air conditioner according to the set value obtained by the blower computing device 2, and the air outlet of the air conditioner. The amount of air sent and the air temperature are automatically controlled (step S14).

  The processing in steps S11 to S14 described above is switched to the normal air conditioning mode in which the roof is closed, the air conditioning operation changeover switch is automatically turned off, and the operating conditions of the air conditioner are controlled regardless of the vehicle speed. It is performed continuously.

  According to the cooling / heating system 100A in the present embodiment, the configuration is such that the open / closed state of the roof is detected, and when the roof is opened, the automatic control of the operating conditions in the air conditioner is automatically started. Air conditioning control can be performed efficiently.

  In addition, according to the cooling / heating system 100A in the present embodiment, the calculation of the set values of the air volume and the air temperature is determined according to the outside air temperature in addition to the vehicle speed, so that the air conditioning control can be performed more efficiently. .

  In the present embodiment, the air conditioner 100, 100A for open cars has been described as being applied to an air conditioner as an in-vehicle device. The present invention may be applied to at least one in-vehicle equipment selected from a heating device for a vehicle and a heating device for a seat. When applied to these heating devices, the set temperature of the heating device may be automatically controlled so that the set temperature of the heating device increases as the vehicle speed increases.

  In addition, the air conditioning system 100, 100A in the present embodiment may be applied to a cooling apparatus for a steering wheel configured such that air blown from an air conditioner passes through the inside of the steering wheel as in-vehicle equipment. When applied to such a cooling apparatus for a steering wheel, when the temperature of the steering wheel becomes high due to direct heat or the like, the air volume and the air temperature discharged from the air conditioner are controlled so that the cooling action is enhanced. Thus, the steering wheel temperature may be automatically controlled to a temperature that can be gripped by the driver.

  In addition, although the air-conditioning system 100,100A in this embodiment demonstrated the case where it applied to the open car which can open and close a roof, it may not be restricted to this but may be applied to the open car which does not have a roof.

It is a block diagram which shows the air conditioning system for open cars in 1st Embodiment. It is a graph which shows the relationship between a vehicle speed and the heating effect | action of an air conditioner. It is a graph which shows the relationship between a vehicle speed and the air_conditioning | cooling effect | action of an air conditioner. It is a graph which shows the relationship between a vehicle speed and the heating effect | action of an air conditioner. It is a graph which shows the relationship between a vehicle speed and the air_conditioning | cooling effect | action of an air conditioner. It is a block diagram which shows the air conditioning system for open cars in 2nd Embodiment. It is a flowchart which shows the air conditioning system for open cars in 2nd Embodiment. It is a flowchart which shows the operation | movement condition of the air conditioning system which concerns on 2nd Embodiment.

Explanation of symbols

1 Vehicle speed detection sensor (vehicle speed detection means)
2 Air blow calculation device (air blow calculation means)
3 Maneuver condition control device (motion condition control means)
4 Roof open / close detection sensor (roof open / close detection means)
5 Temperature detection sensor (temperature detection means)
100,100A Open car air conditioning system

Claims (4)

An air conditioning system for an open car,
Vehicle speed detecting means for detecting the vehicle speed, setting value calculating means for determining a setting value of the air conditioner for in-vehicle equipment based on the vehicle speed detected by the vehicle speed detecting means, and a setting value obtained by the setting value calculating means And an operating condition control means for controlling the operating condition of the air conditioner for in-vehicle equipment, and automatically controlling the operating condition of the air conditioner for in-vehicle equipment according to the vehicle speed. Air conditioning system. A roof opening / closing detection means for detecting opening / closing of the roof;
2. The process by the vehicle speed detection means, the set value calculation means, and the driving condition control means is automatically controlled according to the opening / closing of the roof detected by the roof opening / closing detection means. Air-conditioning system for open cars as described. A temperature detecting means for detecting an outside temperature;
The open car according to claim 1 or 2, wherein a set value of the set value calculating means is obtained based on an outside temperature detected by the temperature detecting means and a vehicle speed detected by the vehicle speed detecting means. Air conditioning system.   The air conditioner for interior equipment is at least one selected from an air conditioner, a steering wheel heater, a headrest heater, a necklace heater, and a seat heater. An open-air heating and cooling system according to claim 1.

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