KR20090089050A - Controller of air conditioning system for automotive vehicles - Google Patents

Abstract

A controller of a heating, ventilation and cooling system for a vehicle is provided to reduce manufacturing cost and size of a device by controlling system and minimizing the number of switches. A controller of a heating, ventilation and cooling system for a vehicle includes an item selecting part(20), a detailed setting value adjusting part(40), a display device(14), and a control part(30). The item selecting part selects a desired item installed at a housing. The detailed setting value adjusting part inputs a detail setting value of the selected item about the item selecting part. The display device indicates the item. The control part authorizes the inputted detail setting value through the detailed setting value adjusting part. The item selecting part is formed to a button type.

Description

CONTROLLER OF AIR CONDITIONING SYSTEM FOR AUTOMOTIVE VEHICLES}

The present invention relates to a controller of a vehicle air conditioning system, and more particularly, to a controller of a vehicle air conditioning system capable of reducing the overall size and reducing manufacturing costs by minimizing and simplifying the number and configuration of switches.

The vehicle is provided with a controller for adjusting the air conditioning system. The controller is installed in the center facia panel in front of the driver's seat, and as shown in FIG. 1, the housing 1 and the plurality of switches 3, 5, 7, 8, 10, 12).

The switches 3, 5, 7, 8, 10, and 12 are composed of a button type switch, and the air conditioner switch 3 for operating the air conditioner and the internal and external air switching for switching the internal / external air. Switch 5, temperature control switch 7 for adjusting the temperature, air volume control switch 8 for adjusting the air volume, auto switch 10 for selecting automatic control, and for selecting the wind direction A mode switch 12 and the like.

The controller includes a display device 14. The display apparatus 14 is provided with the display parts 14a, 14b, 14c, 14d, 14e, and 14f corresponding to each switch 3, 5, 7, 8, 10, and 12. As shown in FIG. For example, the air conditioner operation display unit 14a corresponding to the air conditioner switch 3, the internal and external air display unit 14b corresponding to the internal / external air changeover switch 5, and the temperature display unit corresponding to the temperature control switch 7 ( 14c), the air volume display unit 14d corresponding to the air volume control switch 8, the auto display unit 14e corresponding to the auto switch 10, the mode display unit 14f corresponding to the mode switch 12, and the like. Equipped.

This display device 14 displays the operating status of the air conditioning system and a series of operating procedures. In particular, when the set value is input by operating each switch (3, 5, 7, 8, 10, 12), the corresponding data may be displayed, and according to the input data, The discharge direction may also be indicated.

By the way, such a conventional controller, since a plurality of switches (3, 5, 7, 8, 10, 12) for controlling the air conditioning system is required for each function, there is a disadvantage that the configuration is very complicated, because of this disadvantage There is a problem that the size of and the production cost also increases.

In particular, in recent years, since a lot of small and low-cost vehicles have been developed, there is a problem that conventional controllers that are large in size and high in manufacturing cost cannot meet the needs of small and low-cost vehicles. There is a drawback that the price competitiveness of low-end cars is inferior.

On the other hand, in view of this, by simplifying the switch structure of the controller, a technique that can reduce the size and manufacturing cost has been proposed.

As an example, there is Japanese Patent Laid-Open No. 2005-81906. This technology has a number of item selection buttons for selecting items such as temperature control, air volume control, mode control, etc., and an integrated rotary to adjust detailed settings of the selected item when any item selection button is pressed. With a knob.

However, this conventional technology has a disadvantage in that the structure is still complicated because a plurality of item selection buttons for selecting an item such as temperature, air volume, mode, and the like are still complicated. There is a limit, there is a problem in that there is a limit in reducing the manufacturing cost.

The present invention has been made to solve the above-mentioned conventional problems, an object of the present invention is to provide a controller of a vehicle air conditioning system that can control the system in detail while minimizing the number of switches.

Another object of the present invention is to provide a controller of a vehicle air conditioning system which can reduce the size and reduce the manufacturing cost by enabling the detailed control of the system while minimizing the number of switches.

In order to achieve the above object, the controller of the vehicle air conditioning system of the present invention controls the corresponding device of the air conditioning system corresponding to the item according to the detailed setting value for each item input by the occupant, and displays the housing and the display installed in the housing. A controller of a vehicle air conditioning system having a device, comprising: a single item selector installed in the housing to select an item to be controlled; A single detailed setting value adjusting unit installed in the housing to input a detailed setting value of the item selected by the item selecting unit; The display unit of the display apparatus corresponding to the selected item may be displayed differently from the display unit corresponding to another item not selected so that the item selected by the item selection unit may be displayed, and is input through the detailed setting value adjusting unit. And a control unit for applying the detailed setting value to the selected item.

According to the controller of the vehicle air conditioning system according to the present invention, since the structure to select the item to be controlled with one switch, and then adjust the detailed setting value of the selected item with one switch, the number and configuration of the switches can be minimized and simplified. Can be.

In addition, since the number and configuration of the switches can be minimized and simplified, the size can be reduced, and manufacturing costs can be reduced accordingly. Therefore, when it is employed in low-cost vehicles that require cost reduction, there is an effect that can improve the price competitiveness.

Best Mode for Carrying Out the Invention Preferred embodiments of a controller of a vehicle air conditioning system according to the present invention will be described in detail with reference to the accompanying drawings (the same components will be described using the same reference numerals).

First, the controller of the vehicle air conditioning system according to the present invention, as shown in Figures 2 and 3, has an item selection unit 20.

The item selector 20 is a button type switch, which is installed at the front of the housing 1, and selects a specific item to be controlled according to the number of times of pressing.

In particular, as the user presses sequentially, the items to be controlled are sequentially selected. For example, press once to configure "Temperature control item", press twice to configure "Airflow control item", press three times to configure "Mode control item", and press four times to select "My / Outdoor control item "is configured to be selected. Thus, the user can select the item to be controlled.

The controller of the present invention includes a controller 30 for processing a signal input from the item selector 20.

The control unit 30 is equipped with a microprocessor. If any item is selected by the item selection unit 20 being pressed, the display units 14a, 14b, 14c, 14d of the display device 14 corresponding to the selected item are selected. , 14e, 14f) are displayed differently from the display portion corresponding to other items not selected. For example, it blinks. At the same time, an "applying signal" is output so that the detailed setting value of the selected item can be controlled.

Therefore, it is possible to display which item is currently selected by the user, and at the same time, adjust the detailed setting value of the selected item through the detailed setting value adjusting knob 40 which will be described later.

Preferably, the controller 30 flashes any one of the display units 14a, 14b, 14c, 14d, 14e, and 14f corresponding to the selected item, but blinks at a predetermined number of times and a predetermined time interval. More preferably, the display units 14a, 14b, 14c, 14d, 14e, and 14f may be flashed, but flashed three times at 0.3 second intervals, and after three flashes, the selected display units 14a, 14b, 14c, 14d, It is good to continuously light 14e, 14f).

In addition, the control unit 30 shortens the item switching time interval when the item selection unit 20 is continuously pressed from the item switching time interval when the item selection unit 20 is pressed once to switch each item sequentially. To control.

Preferably, when the control unit 30 switches each item sequentially by pressing the item selection unit 20 once, it controls the switching time interval between items to 0.7 seconds. On the other hand, when the item selection unit 20 is continuously pressed, the switching time interval between the items is shortened to 0.15 seconds.

Referring again to FIGS. 2 and 3, the controller of the present invention includes a detailed set value adjusting unit 40 for adjusting a detailed set value of the selected item.

The detailed set value adjusting unit 40 is composed of a rotary type switch and is installed at the front of the housing 1.

The detailed setting value adjusting unit 40 may adjust the detailed setting value of the selected specific item when the “applying signal” is output from the control unit 30.

In particular, as the user rotates, the detailed setting value of the selected specific item can be input. Therefore, the detailed setting value of the selected specific item can be adjusted, and the detailed setting value of the selected specific item can be adjusted, thereby controlling the selected item.

In the present invention, the item that can be selected through the item selector 20 is "temperature control item", "air volume control item", "mode control item", "inside / outside air control item", so the "temperature control item If the rotation of the detailed setting value control unit 40 is selected when " is selected, the temperature is adjusted, and if the " air volume control item " do. When the " mode control item " is selected and rotates the detailed set value control part 40, the air discharge mode is adjusted, and when the " in / out air control item " is selected, the detailed set value control part ( By rotating 40), the bet or the outside air is mutually regulated.

On the other hand, the control unit 30 of the present invention, when the detailed setting value is input from the detailed setting value adjusting unit 40, the control unit 30 of the display unit 14 of the display unit 14, 14b, 14c, 14d, 14e, 14f), and outputs a "control signal" corresponding to the input detailed set value, such as the temperature control door 50 or blower 52 or intake of each device of the corresponding air conditioning system. The door 54 or the like is controlled.

Thus, the air conditioning system can be automatically adjusted to suit the set value, and accordingly, the indoor environment of the vehicle can be made to suit the user's intention.

Next, an air conditioning system control method using a controller having such a configuration will be described with reference to FIGS. 2 to 4.

First, the item selection unit 20 is sequentially pressed to select any specific item to be controlled (S101).

When the selection of the item is completed, the control unit 30 blinks the display units 14a, 14b, 14c, 14d, 14e, and 14f of the display device 14 corresponding to the selected item, and simultaneously displays the selected item. An "applying signal" is outputted so as to be controlled (S103).

At this time, the control unit 30 blinks the display units 14a, 14b, 14c, 14d, 14e, and 14f corresponding to the selected item three times at 0.3 second intervals and then turns on.

On the other hand, when the "applying signal" is output, the detailed setting value of the selected item is in a state that can be adjusted, so that the detailed setting value adjusting unit 40 is rotated to input the detailed setting value (S105).

Then, the controller 30 outputs a "control signal" corresponding to the input detailed setting value to control the device of the corresponding item (S107). Therefore, the device of the item is automatically controlled according to the input setting value.

On the other hand, when the detailed setting value is input from the detailed setting value adjusting unit 40, the control unit 30 displays the input detailed setting value as the corresponding display units 14a, 14b, 14c, 14d, 14e, and 14f of the display apparatus 14. Of course.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope of the claims.

1 is a view showing a controller of a conventional vehicle air conditioning system,

2 is a view showing a controller of the vehicle air conditioning system according to the present invention;

3 is a block diagram showing a main configuration of a controller according to the present invention;

4 is a flowchart illustrating a method for controlling an air conditioning system using a controller according to the present invention.

♣ Explanation of symbols for main part of drawing ♣

1: housing 3, 5, 7, 8, 10, 12: switch

14: display device 14a, 14b, 14c, 14d, 14e, 14f: display unit

20: item selection unit 30: control unit

40: Detail setting knob

Claims (5)

A vehicle air conditioning system including a housing (1) and a display device (14) installed in the housing (1) for controlling the corresponding device of the air conditioning system corresponding to the item according to the detailed setting value for each item input by the occupant. In the controller of A single item selector 20 installed in the housing 1 to select an item to be controlled; A single detailed setting value adjusting unit (40) installed in the housing (1) to input detailed setting values of the items selected by the item selecting unit (20); The display units 14a, 14b, 14c, 14d, 14e, and 14f of the display device 14 corresponding to the selected item may be displayed on another item not selected so that the item selected by the item selector 20 is displayed. And a control unit (30) to be displayed differently from the corresponding display unit and to apply the detailed setting value input through the detailed setting value adjusting unit (40) to the selected item. The method of claim 1, The item selector 20 is a controller of a vehicle air conditioning system, characterized in that the button type to be sequentially selected according to the number of times the item is pressed. The method of claim 1, The control unit 30 blinks and displays the display units 14a, 14b, 14c, 14d, 14e, and 14f of the display device 14 corresponding to the selected item at predetermined times and at time intervals. A controller of an air conditioning system for a vehicle. The method of claim 2, The item selection unit 20, Controller of the air conditioning system for a vehicle, characterized in that configured to sequentially select the temperature control item, air volume control item, mode control item, internal / outdoor air control item according to the number of presses. The method of claim 4, wherein It is characterized in that the item switching time interval when the item selection unit 20 is continuously pressed shorter than the item switching time interval when the item selection unit 20 is pressed once to switch each item sequentially. Controller of vehicle air conditioning system.

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