JP2008230499A - Vehicular air conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To quickly cool the inside of a cabin by simple operation in a vehicular air conditioner for performing air-conditioning at the inside of the cabin of the vehicle such as a truck. <P>SOLUTION: The vehicular air conditioner is provided with a control means for controlling an air amount adjustment means, a temperature adjustment means, a suction port setting means, and a blowing out port setting means, and a quick cooling switch connected to the control means. The control means starting a quick cooling mode for cooling the inside of the cabin at the approximately maximum cooling ability by ON of the quick cooling switch. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a vehicle air conditioner that air-conditions a passenger compartment of a vehicle such as a truck.

Conventionally, control of a manual air conditioner has been performed based on a set temperature set by a driver, a blowing air volume, a suction port position, and a blowing port position. In addition, the control of the automatic air conditioner is performed by determining the blowing air volume, the inlet position, and the outlet position according to the outside air temperature sensor value, the vehicle interior temperature sensor value, the solar radiation sensor value, and the set temperature.
Japanese Patent Application Laid-Open No. 2004-217027 No. 7-19864

In vehicles such as trucks, there is a demand for rapidly cooling the interior of the vehicle because the interior of the vehicle is hot when the vehicle enters the vehicle in summer. Also, for example, when getting into a vehicle after unloading and loading a truck, even if the passenger compartment is not so hot, we want to cool it with the maximum cooling capacity for a certain period of time to eliminate the heat of the body. There is a request.
However, in the manual air conditioner, in order to obtain the maximum cooling capacity, it is necessary to change the set temperature, the amount of blown air, the position of the suction port, and the position of the blow port, and there is a problem that the operation is very troublesome. In addition, in order to obtain the maximum cooling capacity, the auto air conditioner needs to cancel the auto control and change the set temperature, blowing air volume, inlet position, and outlet position, which is very troublesome. There was a problem.

  The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a vehicle air conditioner capable of rapidly cooling a vehicle interior with a simple operation.

  An air conditioner for a vehicle according to claim 1 includes an air volume adjusting unit that adjusts an air blowing amount to the vehicle interior, a temperature adjusting unit that adjusts an air blowing temperature to the vehicle interior, and an air flow rate to the vehicle interior. Suction port setting means for setting the circulation to the inside air circulation or the outside air circulation, a blowing port setting means for setting the position of the air blowing port into the vehicle interior, the air volume adjusting means, the temperature adjusting means, and the suction port setting. Means for controlling the outlet setting means, and a rapid cooling switch connected to the control means, and the control means has a substantially maximum cooling capacity when the rapid cooling switch is turned on. A rapid cooling mode for cooling the battery is started.

The vehicular air conditioner according to claim 2 is the vehicular air conditioner according to claim 1, wherein the quick cooling mode is configured such that the amount of air blown into the vehicle interior is substantially maximum and the air is blown into the vehicle interior. The mode is characterized in that the temperature is set to a substantially minimum temperature, the air circulation into the vehicle interior is set to the internal air circulation, and the position of the air outlet to the vehicle interior is set to the vent position.
The vehicle air conditioner according to claim 3 is the vehicle air conditioner according to claim 1 or 2, wherein the air volume adjusting means, the temperature adjusting means, the inlet setting means and the outlet setting means are manually operated. It has the operation member to set, It is characterized by the above-mentioned.

A vehicle air conditioner according to a fourth aspect of the present invention is the vehicle air conditioner according to the third aspect, wherein the quick air cooling mode is canceled after a predetermined time has elapsed from the start of the rapid air cooling mode, and the manual operation-set control is performed. It is characterized by that.
The vehicle air conditioner according to claim 5 is the vehicle air conditioner according to claim 4, wherein the engine is stopped with the rapid cooling switch turned on, and the rapid cooling is performed when the engine is started after a predetermined time has elapsed. The mode is automatically started.

A vehicle air conditioner according to a sixth aspect of the present invention is the vehicle air conditioner according to any one of the first to third aspects, wherein the temperature of the vehicle interior is detected, the air volume adjusting means, the temperature adjusting means, An automatic control mode for automatically controlling the inlet setting means and the outlet setting means is provided.
The vehicle air conditioner according to claim 7 is the vehicle air conditioner according to claim 6, wherein the quick cooling mode is canceled when the temperature in the passenger compartment reaches a predetermined temperature, and the operation is set manually. Alternatively, the control is performed in the automatic control mode.

  The vehicle air conditioner according to claim 8 is the vehicle air conditioner according to claim 7, wherein the engine is stopped with the quick cooling switch turned on, and the temperature in the vehicle interior is a predetermined temperature when the engine is restarted. The quick cooling mode is automatically started when the value exceeds the value.

In the vehicle air conditioner according to the first aspect, when the rapid cooling switch is turned on, a rapid cooling mode is started in which the room is cooled with a substantially maximum cooling capacity, so that the vehicle interior can be rapidly cooled by a simple operation. .
According to another aspect of the vehicle air conditioner of the present invention, the rapid cooling mode is set such that the amount of air blown into the vehicle interior is set to a substantially maximum air flow, the temperature of air blown into the vehicle interior is set to a substantially minimum temperature, Is set to the inside air circulation mode and the position of the air outlet to the vehicle interior is set to the vent position, so that the room can be cooled with substantially maximum cooling capacity.

In the vehicle air conditioner according to the third aspect, the air volume adjusting means, the temperature adjusting means, the inlet setting means and the outlet setting means can be manually set.
In the vehicle air conditioner according to the fourth aspect of the present invention, the rapid cooling mode is canceled after a lapse of a predetermined time from the start of the rapid cooling mode and the manually set operation is performed. The control set by the driver can be performed.

In the vehicle air conditioner according to the fifth aspect of the present invention, the engine is stopped with the rapid cooling switch turned on, and the rapid cooling mode is automatically started when the engine is started after a predetermined time has elapsed. The passenger compartment can be rapidly cooled just by getting into the room and driving the engine.
In the vehicle air conditioner of the sixth aspect, the air volume adjusting means, the temperature adjusting means, the inlet setting means and the outlet setting means can be automatically controlled by setting the automatic control mode.

In the vehicle air conditioner according to the seventh aspect of the invention, the quick cooling mode is canceled when the temperature in the passenger compartment reaches a predetermined temperature, and the control is performed by the manually set operation or the automatic control mode. It is possible to automatically cancel the rapid cooling mode that has become and to perform control in accordance with the control set by the driver or the automatic control mode.
In the vehicle air conditioner according to claim 8, when the engine is stopped with the rapid cooling switch turned on and the temperature of the passenger compartment exceeds a predetermined temperature when the engine is restarted, the rapid cooling mode is automatically set. Since the engine is started, it is possible to rapidly cool the passenger compartment simply by getting into the passenger compartment and starting the engine.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
(First embodiment)
FIG. 1 shows a heater control panel of the vehicle air conditioner of this embodiment. In this embodiment, the present invention is applied to a truck air conditioner.
The heater control panel 11 is provided with an air conditioner switch 13, an inside / outside air changeover switch 15, and a rapid cooling switch 17.

  The air conditioner switch 13 is a switch for turning on and off the air conditioner. When the air conditioner switch 13 is pressed, the LED indicator 19 is turned on and the air conditioner is turned on. When the air conditioner switch 13 is pressed again, the LED indicator 19 is turned off and the air conditioner is turned off. A fan dial 21 is disposed so as to be manually rotatable surrounding the air conditioner switch 13. The fan dial 21 is provided with a scale portion 21a for displaying a selected position. When the fan dial 21 is rotated, the amount of air blown into the passenger compartment is set.

  The inside / outside air changeover switch 15 includes an inside air circulation switch 23 and an outside air circulation switch 25. When the inside air circulation switch 23 is pressed, the LED indicator 27 is turned on, and the blowing of air into the passenger compartment is set to the inside air circulation. When the outside air circulation switch 25 is pressed, the LED indicator 29 is turned on, and the blowing of air into the passenger compartment is set to the outside air circulation. A temperature control dial 31 is disposed so as to be rotatable around the inside / outside air changeover switch 15. The temperature adjustment dial 31 is provided with a scale portion 31a for displaying a selected position. When the temperature control dial 31 is manually rotated, the temperature of air blown into the passenger compartment is set.

  The rapid cooling switch 17 is a switch for setting a rapid cooling mode. When the rapid cooling switch 17 is pressed, the LED indicator 33 is turned on and the rapid cooling mode is set. When the rapid cooling switch 17 is pressed again, the LED indicator 33 is turned off and the rapid cooling mode is released. A blow-out mode dial 37 is rotatably disposed around the rapid cooling switch 17. The balloon mode dial 37 is provided with a scale portion 37a for displaying the selected position. When the blowing mode dial 37 is manually rotated, the position of the air blowing port into the passenger compartment is set.

FIG. 2 is a block diagram showing the vehicle air conditioner of this embodiment.
The control unit 41 inputs signals from the air conditioner switch 13, the fan dial 21, the inside / outside air changeover switch 15, the temperature adjustment dial 31, the blowing mode dial 37, and the rapid cooling switch 17. Then, the air volume adjusting unit 43, the temperature adjusting unit 45, the inlet setting unit 47, and the outlet setting unit 49 are controlled.

The air volume adjusting unit 43 adjusts the amount of air blown into the passenger compartment. The temperature adjustment unit 45 adjusts the temperature at which air is blown into the passenger compartment. The inlet setting unit 47 sets the circulation of air into the passenger compartment to the inside air circulation or the outside air circulation. The outlet setting unit 49 sets the position of the air outlet into the passenger compartment.
When the rapid cooling switch 17 is turned on, the control unit 41 starts a rapid cooling mode in which the room is cooled with a substantially maximum cooling capacity. In the rapid cooling mode, the air volume adjusting unit 43 is controlled so that the air volume blown into the passenger compartment is substantially the maximum air volume. In addition, the temperature adjustment unit 45 is controlled so that the temperature of the air blown into the passenger compartment becomes a substantially minimum temperature. In this embodiment, the temperature adjustment unit 45 is controlled to a full cool state, that is, a state in which outside air is not mixed. In addition, the circulation of air into the passenger compartment is controlled to the inside air circulation. Further, the position of the air outlet into the vehicle compartment is controlled to the vent position.

FIG. 3 is a flowchart for explaining the operation when the rapid cooling switch 17 is on in the above-described vehicle air conditioner.
Step S1: It is determined whether or not the rapid cooling switch 17 is turned on.
Step S2: When the rapid cooling switch 17 is turned on, the rapid cooling mode is set. Thereby, the cooling of the vehicle interior is started with substantially the maximum cooling capacity.

Step S3: It is determined whether or not a predetermined time, for example, 5 minutes has elapsed.
Step S4: When a predetermined time has passed, the rapid cooling mode is canceled and the manually set operation is performed. At this time, the LED indicator 33 of the rapid cooling switch 17 is kept off without being turned off.
Step S5: It is determined whether or not the engine has been stopped by turning off the ignition switch.

  Step S6: When the engine is stopped, it is determined whether or not the ignition switch is turned on and the engine is started within a predetermined time, for example, 10 minutes after the stop. That is, when the engine is started again in a short time after the engine is stopped, the vehicle interior is sufficiently cooled, and therefore it is not necessary to set the rapid cooling mode. Therefore, in this case, the process returns to step S4, and the manually set operation control is performed.

Step S7: If the engine is started after a predetermined time after stopping, the rapid cooling mode is set. And it returns to step S3 and repeats a process.
When the rapid cooling switch 17 is turned off during operation in the above-described flow, the rapid cooling mode is canceled and the manually set control is performed.
In the vehicle air conditioner described above, when the rapid cooling switch 17 is turned on, a rapid cooling mode is started in which the room is cooled with a substantially maximum cooling capacity, so that the vehicle interior can be rapidly cooled with a simple operation.

  In other words, in order to obtain the maximum cooling capacity with a manual air conditioner, it was necessary to change the set temperature, air flow rate, inlet position, and outlet position. The passenger compartment can be rapidly cooled. When the vehicle gets into the vehicle in summer, the passenger compartment is hot, but the passenger compartment can be rapidly cooled with a simple operation. Also, when getting into the vehicle after unloading and loading the truck, even if the cabin is not so hot, it can be cooled with the maximum cooling capacity for a certain period of time to eliminate the heat of the body. it can.

In addition, since the rapid cooling mode was canceled after a predetermined time from the start of the rapid cooling mode, and the manually set operation control was performed, the unnecessary rapid cooling mode was automatically canceled and the driver settings Control can be performed.
Furthermore, when the engine is stopped with the rapid cooling switch 17 turned on and the engine is started after a predetermined time has elapsed, the rapid cooling mode is automatically started. By simply doing this, the passenger compartment can be rapidly cooled.
(Second Embodiment)
4 to 6 show a second embodiment of the vehicle air conditioner of the present invention.

In this embodiment, the same members as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
In this embodiment, as shown in the heater control panel 11 </ b> A of FIG. 4, the automatic control mode can be selected by the blowing mode dial 37. The automatic control mode is selected by turning the scale portion 37a of the blowing mode dial 37 to the AUTO position. When the automatic control mode is selected, an automatic control mode signal is output to the control unit 41A shown in the block diagram of FIG.

  Further, as shown in FIG. 5, signals from the outside air temperature sensor 51, the vehicle interior temperature sensor 53, and the solar radiation sensor 55 are input to the control unit 41 </ b> A. When the automatic control mode is selected, the control unit 41A determines the air volume adjustment unit 43 according to the outside air temperature sensor 51 value, the vehicle interior temperature sensor 53 value, the solar radiation sensor 55 value, and the set temperature of the temperature adjustment dial 31. The temperature adjusting unit 45, the inlet setting unit 47, and the outlet setting unit 49 are automatically controlled.

FIG. 6 is a flowchart for explaining the operation when the rapid cooling switch 17 is on in the vehicle air conditioner of this embodiment.
Step S1: It is determined whether or not the rapid cooling switch 17 is turned on.
Step S2: When the rapid cooling switch 17 is turned on, the rapid cooling mode is set. Thereby, the cooling of the vehicle interior is started with substantially the maximum cooling capacity.

Step S3: It is determined whether or not the vehicle interior has reached a predetermined temperature. This determination is performed by inputting a signal from the indoor temperature sensor 53.
Step S4: When the predetermined temperature is reached, the rapid cooling mode is canceled, and the automatic control mode is set when the automatic control mode is selected, and the operation is manually set when the automatic control mode is not selected. Control. At this time, the LED indicator 33 of the rapid cooling switch 17 is kept off without being turned off.

Step S5: It is determined whether or not the engine has been stopped by turning off the ignition switch.
Step S6: When it is determined that the engine has stopped, it is determined from the signal of the room temperature sensor 53 whether or not the vehicle interior exceeds a predetermined temperature when the engine is started.

  Step S7: If the vehicle interior exceeds a predetermined temperature when the engine is started, the rapid cooling mode is set. And it returns to step S3 and repeats a process. Therefore, if the vehicle interior exceeds a predetermined temperature, the rapid cooling mode is set only when the engine is started. As a result, the maximum amount of wind is not suddenly blown out during traveling, and safety during traveling can be ensured.

When the rapid cooling switch 17 is turned off during operation in the above-described flow, the rapid cooling mode is canceled and the manually set control is performed.
In the vehicle air conditioner described above, when the rapid cooling switch 17 is turned on, a rapid cooling mode is started in which the room is cooled with a substantially maximum cooling capacity, so that the vehicle interior can be rapidly cooled with a simple operation.

  In other words, in order to obtain the maximum cooling capacity in an auto air conditioner, it is necessary to cancel the automatic control mode and change the set temperature, air flow rate, inlet position, and outlet position, which is very troublesome. However, the interior of the vehicle can be rapidly cooled with a simple operation. When the vehicle gets into the vehicle in summer, the passenger compartment is hot, but the passenger compartment can be rapidly cooled by a simple operation. Also, when getting into the vehicle after unloading and loading the truck, even if the passenger compartment is not so hot, it can be cooled with the maximum cooling capacity for a certain period of time to eliminate the heat of the body. it can.

In addition, the rapid cooling mode is canceled when the temperature in the passenger compartment reaches a predetermined temperature, and the control using the manually set operation or the automatic control mode is performed. The control can be released and the control set by the driver or the control in the automatic control mode can be performed.
Furthermore, the rapid cooling mode is automatically started when the engine is stopped with the rapid cooling switch 17 turned on and the vehicle interior temperature exceeds a predetermined temperature when the engine is started again. The vehicle interior can be rapidly cooled simply by getting into the vehicle interior and starting the engine.

  In the above-described embodiment, the example in which the present invention is applied to a truck has been described. However, the present invention can be widely applied to vehicles such as passenger cars.

It is explanatory drawing which shows the heater control panel of 1st Embodiment of the vehicle air conditioner of this invention. It is a block diagram which shows 1st Embodiment of the vehicle air conditioner of this invention. It is explanatory drawing which shows operation | movement of the vehicle air conditioner of 1st Embodiment. It is explanatory drawing which shows the heater control panel of 2nd Embodiment of the vehicle air conditioner of this invention. It is a block diagram which shows 2nd Embodiment of the vehicle air conditioner of this invention. It is explanatory drawing which shows operation | movement of the vehicle air conditioner of 2nd Embodiment.

Explanation of symbols

11, 11A Heater control panel 13 Air conditioner switch 15 Inside / outside air switch 17 Rapid cooling switch 21 Fan dial 31 Temperature control dial 37 Blow mode dial 41, 41A Control unit 43 Air volume adjustment unit 45 Temperature adjustment unit 47 Suction port setting unit 49 Blowout port Setting unit 51 Outside temperature sensor 53 Indoor temperature sensor 55 Solar radiation sensor

Claims (8)

An air volume adjusting means for adjusting the volume of air blown into the passenger compartment;
Temperature adjusting means for adjusting the temperature of air blown into the passenger compartment;
Suction port setting means for setting the circulation of air into the vehicle interior to internal air circulation or external air circulation;
Outlet setting means for setting the position of the outlet of air into the vehicle interior;
Control means for controlling the air volume adjusting means, the temperature adjusting means, the inlet setting means, and the outlet setting means;
A rapid cooling switch connected to the control means,
The vehicle air conditioner is characterized in that the controller starts a rapid cooling mode in which the interior of the vehicle is cooled with substantially maximum cooling capacity when the rapid cooling switch is turned on. The vehicle air conditioner according to claim 1,
In the rapid cooling mode, the amount of air blown into the vehicle interior is set to a substantially maximum air amount, the temperature of air blown into the vehicle interior is set to a substantially minimum temperature, and the circulation of air into the vehicle interior is set to an internal air circulation. The vehicle air conditioner is characterized in that the mode is a mode in which the position of the air outlet into the vehicle compartment is set to the vent position. The vehicle air conditioner according to claim 1 or 2,
An air conditioner for vehicles, comprising an operation member for manually setting the air volume adjusting means, the temperature adjusting means, the inlet setting means, and the outlet setting means. In the vehicle air conditioner according to claim 3,
A vehicle air conditioner that releases the rapid cooling mode after a lapse of a predetermined time from the start of the rapid cooling mode and performs the control that is manually set for operation. The vehicle air conditioner according to claim 4,
The vehicle air conditioner is characterized in that the rapid cooling mode is automatically started when the engine is stopped with the rapid cooling switch turned on and the engine is started after a predetermined time has elapsed. The vehicle air conditioner according to any one of claims 1 to 3,
A vehicle having an automatic control mode for detecting a temperature in the passenger compartment and automatically controlling the air volume adjusting means, the temperature adjusting means, the inlet setting means, and the outlet setting means. Air conditioner. The vehicle air conditioner according to claim 6,
The vehicle air conditioner is characterized in that when the temperature in the vehicle compartment reaches a predetermined temperature, the rapid cooling mode is canceled, and the control that is manually set for operation or the control in the automatic control mode is performed. The vehicle air conditioner according to claim 7,
The rapid cooling mode is automatically started when the temperature of the vehicle interior exceeds a predetermined temperature when the engine is stopped with the rapid cooling switch turned on and the engine is restarted. Vehicle air conditioner.

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