JPH09132025A - Rotary type heater control device for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the rotary type heater control device for an automobile, excellent in operability, which can bring both its diffuser and its air flow rate in an automatic control condition by operation of a single lug in relation to the rotary type heater control device for an automobile to be mounted onto the forward part of a driver's seat for the automobile. SOLUTION: An air flow rate automatic control position 14B is provided for the air flow rate change-over lug 15 of an air flow rate change-over part, concurrently an auxiliary control part which automatically controls the setting of its diffuser while being interlocked with the aforesaid air flow rate automatic control, is provided for the inside of a main control part, and furthermore, an ON indicator 18 indicating the operation of the auxiliary control part, is also provided. By this constitution, since the setting of the diffuser is automatically shifted to a diffuser automatic control condition only by operating and setting only the air flow rate change-over lug 15, the setting of diffuser can thereby be shifted to a diffuser automatic control condition, its operability can thereby be enhanced, and concurrently a control. condition for the diffuser can visually be recognized with ease with the ON indicator 18 lighted even if a heater control device is in operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary heater control device for an automobile, which is mainly used for automobiles and which switches each operation position by a manual operation.

[0002]

2. Description of the Related Art As shown in FIG. 4, an automotive rotary heater control device 8 of this type is mounted on the front part of a driver's seat in a vehicle in order to set and switch each operation position by manual operation. The configuration includes an air volume switching unit, an outlet switching unit, a temperature adjusting unit, and a control unit that controls these.

FIG. 5 shows a front view of an operation panel of a conventional rotary heater control device for an automobile. The operation panel 1 is provided with a switching position between a manually set position 2A of a wind outlet and an automatic control position 2B. An outlet switching knob 3 which has, an air volume switching knob 5 which has switching positions of a manual air volume setting position 4A, an automatic control position 4B and a system OFF position 4C,
A temperature adjusting knob 7 having a switching position of a temperature manual setting position 6A is arranged, and pointers 3A, 5A, 7A are provided on the end faces of the above-mentioned three kinds of switching knobs 3, 5, 7 respectively. The driver can visually confirm the set positions of 3, 5, and 7.

Next, the operation of this apparatus will be described.
When the driver operates the air outlet switching knob 3, the air volume switching knob 5, and the temperature adjusting knob 7 to set the desired air outlet, air volume, and temperature, signals corresponding to the set positions are output to the control unit (not shown). The air conditioner in the automobile is controlled by the air conditioner.

When the pointer 3A of the outlet switching knob 3 is set to the outlet automatic control position 2B, the outlet selection of the air conditioner in the automobile is automatically controlled, and similarly, the pointer 5A of the air volume switching knob 5 is automatically controlled. When the position 4B is set, the air volume is automatically controlled.

[0006]

However, in the above-mentioned conventional rotary heater control device for an automobile, since the automatic outlet control position 2B and the automatic air volume control position 4B are independent, both of them are switched to the automatic control state. In order to do so, it is necessary to operate and set the outlet switching knob 3 and the air volume switching knob 5 separately,
There was a difficulty in operability.

The present invention is to solve such a conventional problem, and to operate the air outlet and the air volume of the air conditioner in an automatic control state by operating a single knob. An object of the present invention is to provide a rotary type heater control device for an automobile, which has excellent properties.

[0008]

In the rotary heater control device for an automobile according to the present invention, an automatic control position is provided only in the air volume switching unit, and an auxiliary control unit for automatically controlling the blowout port switching unit is interlocked with this control position. The control unit is provided in the main control unit, and the display unit for displaying the operation of the sub control unit is provided.

According to the present invention, it is possible to provide a convenient rotary heater control device for an automobile, which is excellent in operability when the air outlet and the air volume are simultaneously controlled automatically.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is a rotary type air flow rate switching unit for switching each operation position by a manual operation, a blowout port switching unit, a temperature adjusting unit and a main controller for controlling these. The air volume switching unit is provided with an automatic control position, and a sub-control unit for automatically controlling the outlet switching unit in conjunction with the automatic control position is provided in the main control unit, and the sub-control unit is also provided. It is configured with a display unit that displays the operation of the blower, and by simply setting the air volume switching unit to the automatic control position, the blower outlet selection switches to the automatic control state without switching the blower outlet switching unit. It has the effect of changing.

An embodiment of the present invention will be described below with reference to FIGS. 1 to 3. FIG. 1 is a front view of an operation panel of a rotary heater control device for an automobile of the present invention, FIG. 2 is a block diagram of a circuit configuration, and FIG. 3 is a flow chart for explaining a control state.

In the figure, the operation panel 11 has an outlet switching knob 13 having a switching position of a wind outlet manual setting position 12A, an air volume manual setting position 14A, an air volume automatic control position 14B, and a system OFF position. An air volume switching knob 15 having a switching position of 14C and a temperature adjusting knob 17 having a switching position of a temperature manual setting position 16A are arranged, and the end faces of the three types of switching knobs 13, 15 and 17 are the same as in the conventional case. The pointers 13A, 15A and 17A are provided on the respective wheels so that the driver can visually check the set positions of the respective switching knobs 13, 15 and 17.

Further, the operation panel 11 is lit O when the operation of the air outlet of the air conditioner shifts to the automatic control state.
An N indicator 18 is also arranged.

Next, the operation of this apparatus will be described.
The driver selects the air outlet switching knob 13, the air volume switching knob 15,
Set the temperature control knob 17 to each manual setting position 12
Operate according to A, 14A, 16A to select the desired outlet
When the air volume / temperature is set, signals corresponding to the respective set positions are output from the air outlet switching position detection circuit 19, the air volume switching position detection circuit 20, and the temperature switching position detection circuit 21 of FIG. It is input to the air conditioner (not shown) and the control of the air outlet, air volume, and temperature of the air conditioner is executed in the same manner as before, but when the air volume switching knob 15 is set to the air volume automatic control position 14B, the air volume is switched. The signal from the position detection circuit 20 is
A sub-control unit 23 (details not shown) provided in the main control unit 22 is adapted to be input, and the sub-control unit 23 ignores the signal from the outlet switching position detection circuit 19 and blows it together with the air volume. The outlet selection is also controlled to shift to the automatic state, and the ON indicator circuit 24 is operated,
It has a function of turning on the ON indicator 18.

Further, referring to the flow chart of FIG. 3, the flow control condition of the air outlet and air flow will be described. In order for the driver to get into the automobile and turn on the air conditioner, the pointer 15A of the air flow switching knob 15 of the present device is turned off. When the position 14C is set to the manual position 14A, as shown by the thin outline arrows in FIG. 3, the control states of the air outlet and the air volume are from the system OFF state A to the air outlet manual control state B and the air volume manual control state C. Then, the wind of the set strength is blown from the outlets set by the switching knobs 13 and 15.

Next, the pointer 1 of the air volume switching knob 15 of this apparatus
When 5A is set to the air volume automatic control position 14B,
The signal from the air volume switching position detection circuit 20 enters the sub control unit 23 provided in the main control unit 22 and, as shown by the thick white outline arrow in FIG. Outlet even from state B, C
Both air volume control modes are in the automatic control state D (D1, D
Go to 2).

At this time, the sub-control unit 23 provided in the main control unit 22 ignores the signal from the pointer 13A of the outlet switching knob 13 and sets the outlet control state to the automatic control state D1 and the operation panel. The ON indicator 18 arranged at 11 is turned on.

Next, when it is desired to release only the air volume control from the automatic control state D for both the outlet and the air volume to the manual control state C, if only the air volume switching knob 15 is operated, the black arrow in FIG. 3 indicates. As described above, only the air volume control mode is in the manual control state C, the outlet control mode remains in the automatic control state D1, and the ON indicator 18 is kept lit, and only the outlet control is released to the manual control state B. If desired, by operating only the outlet switching knob 13, only the outlet control mode is changed to the manual control state B, the ON indicator 18 is turned off, and the driver controls the outlet by turning on / off the ON indicator 18. It recognizes whether the mode is manual or automatic.

The pointer 15A of the air volume switching knob 15
Is set to the OFF position 14C, the system is in the OFF state A, as shown by the dotted arrow in FIG. 3, and the air conditioner is turned off.

As described above, by merely setting the air volume switching knob 15 to the automatic control position 14B, the outlet selection is automatically switched to the automatic control state D1 without operating the outlet switching knob 13, and It is possible to provide a rotary heater control device for an automobile with good operability that can easily release individual control states.

At present, the heater control device for automobiles is mainly of the push button type. However, the push button type requires an area larger than the area where each push button can be pressed by a finger and the number of operating functions. Since it is necessary to dispose the same number of push buttons on the operation panel, a large area for the operation panel is required.However, since the present invention employs the rotary type switching knob, the area of the operation panel can be made compact. It goes without saying that it will be done.

Further, although the present embodiment relates to the setting of the air outlet and the air volume, by adding an optimum temperature adjustment control function to the second control section, the air outlet, air volume and temperature can be adjusted by a single knob operation. Fully automatic control of adjustment is also possible.

[0023]

As described above, according to the present invention, an automatic control position is provided in the air volume switching unit, and a sub-control unit for automatically controlling the outlet switching unit in conjunction with this automatic control position is provided in the control unit. By providing the display unit that displays the operation of this sub-control unit, both the air outlet and the air volume can be automatically controlled by simply setting the air volume switching knob to the automatic control position, and individual automatic It is possible to provide a rotary heater control device for automobiles that can be easily released from the control, and the ON indicator is lit while the outlet is automatically controlled. The effect is that it is possible to easily confirm whether it is in the manual control state or in the manual control state.

[Brief description of the drawings]

FIG. 1 is a front view of an operation panel of an automotive rotary heater control device according to an embodiment of the present invention.

FIG. 2 is a block diagram of the same circuit configuration.

FIG. 3 is a flowchart explaining the control state.

FIG. 4 is an explanatory diagram of a state in which a rotary heater control device for an automobile is mounted on the automobile.

FIG. 5 is a front view of a conventional operation panel.

[Explanation of symbols]

 11 Operation panel 12A Air outlet manual setting position 13 Air outlet switching knob 13A Air outlet switching knob pointer 14A Air volume manual setting position 14B Air volume automatic control position 14C System OFF position 15 Air volume switching knob 15A Air volume switching knob pointer 16A Temperature Manual setting position 17 Temperature adjustment knob 17A Temperature adjustment knob pointer 18 ON indicator 19 Air outlet switching position detection circuit 20 Air volume switching position detection circuit 21 Temperature switching position detection circuit 22 Main control unit 23 Sub control unit 24 ON indicator circuit A system OFF State B Air outlet manual control state C Air volume manual control state D Both outlet and air volume automatic control state D1 Air outlet auto control state D2 Air volume automatic control state

Claims (1)

[Claims] 1. A rotary type air flow rate switching unit for switching each operation position by manual operation, a blowout port switching unit, a temperature control unit and a main control unit for controlling these, and an automatic control position is provided for the air flow rate switching unit. A rotary type for automobiles that is provided with a sub-control unit that automatically controls the outlet switching unit in conjunction with this auto-control position, and that has a display unit that displays the operation of the sub-control unit. Heater control device.