JPH0414256Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field The present invention relates to a cooler compressor control device for an automobile air conditioner, and in particular, it has a mode setting lever and a temperature control device for controlling the air conditioner's cooler compressor, which has both heating and cooling functions. This invention relates to a device that can perform ON-OFF control in relation to the switching operation of a lever.

BACKGROUND TECHNOLOGY Generally, the instrument panel in the driver's cabin of a car is equipped with an operation panel for an air conditioner. A mode setting lever for switching to each mode such as face, foot or defroster, a temperature control lever for adjusting the temperature, and an operating switch for operating the cooler compressor are provided. Then, with the temperature control set to the desired temperature, ventilation or heating is performed by switching the air volume control lever and operating the blower, and then turning on the cooler compressor operation switch to perform cooling or dehumidifying heating. I am trying to get it.

In addition, as a device that can automatically control the operation stop temperature of the cooler compressor based on the outside air temperature, there is a device disclosed in Utility Model Application Publication No. 55-92515 and Japanese Patent Application Publication No. 1988-
There is one described in Publication No. 209609.

Problems that the invention aims to solve According to the conventional cooler compressor control device,
When using the defroster for the purpose of dehumidification or when performing dehumidification and heating, first switch the mode setting lever to the desired mode, then switch the same amount adjustment lever to operate the blower, and then It is necessary to turn on the switch manually, which poses a problem of extremely complicated operation and poor operability.

SUMMARY OF THE INVENTION An object of the present invention is to provide a cooler compressor control device for an automobile air conditioner that is easy to operate and has a simple structure.

Means for Solving the Problems The present invention was proposed in order to achieve the above object. arranged to be capable of switching operation, and
A mode setting lever is partially equipped with a micro switch for operating the cooler compressor, a temperature control lever is arranged parallel to the mode setting lever so that it can be switched in a linear direction, and the mode setting lever is located in the switching path of the mode setting lever. A fixed cam is installed in the switching path of the temperature control lever, and is capable of protruding toward the switching path of the mode setting lever in conjunction with the switching operation of the control lever. and a movable cam that changes the operating position of the microswitch when the mode setting lever is switched.

Effects According to the present invention, the cooler compressor can be controlled ON-OFF simply by switching the mode setting lever to the desired blowout mode. Moreover, by changing the temperature control lever, the operating position of the micro switch attached to the mode setting lever can be changed, and the operating range of the cooler compressor can be changed.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 and 2. In the drawing, reference numeral 1 denotes the operation panel surface of an air conditioner installed on the instrument panel in the driver's cabin of an automobile.The upper part of this operation panel surface 1 has a blowout mode in which face mode 2a, foot mode 2b, and defroster mode 2c are displayed on the panel. A display section 2 is provided, and a set temperature display section 3 displaying "COOL", "MID", and "HOT" is provided at the bottom. Reference numeral 4 denotes a mode setting lever arranged at the middle upper part of the operation panel surface 1 so that it can be switched intermittently in a linear direction along the blowout mode display section 2. The device has been assembled. Reference numeral 5 denotes a micro switch attached to a part of the knob side of the mode setting lever 4, and a cooler compressor (not shown) is controlled by the ON/OFF operation of this micro switch. Reference numeral 6 denotes a temperature control lever disposed at the middle lower part of the operation panel surface 1 so that it can be switched intermittently in a linear direction along the set temperature display section 3. This temperature control lever 6 controls the temperature setting of the blown air. conduct. A fixed cam 7 is installed in the switching path of the mode setting lever 4 and below the defroster mode 2c of the blowout mode display section 2. An inclined cam surface 8 is formed which abuts against the roller 5b at the tip. Reference numeral 9 denotes a horizontally elongated movable cam that is disposed in the switching path of the temperature control lever 6 and at a position below the foot mode 2b and defroster mode 2c displayed on the blowout mode display section 2 so as to be movable up and down. The cam 9 is pressed and held so as to be able to protrude toward the mode setting lever 4 by the elastic force of an elastic member (not shown) such as a spring. The movable cam 9 has a distal end 10 formed with a wedge-shaped notch and is provided with inclined cam surfaces 11 and 12 on the upper and lower sides, and an upper surface on the base 13 side that prevents interference with the fixed cam 7 when protruding upward. In order to avoid this, a notch 14 into which the fixed cam 7 can fit is formed.

Next, the operation procedure of the device of the present invention will be explained with reference to the diagram illustrating the operating state of the cooler compressor shown in FIG. 1B.

When the temperature control lever 6 is held in the "COOL" position of the set temperature display section 3 as shown in FIG. 1a, and the mode setting lever 4 is held in the face mode 2a, the micro switch 5 is
OFF, and the cooler compressor does not operate as shown in Figure 1b. When the mode setting lever 4 is switched to the foot mode 2b while the temperature control lever 6 is held at "COOL" on the set temperature display section 3, the cooler compressor is turned on as in the face mode 2a, as shown in Fig. 1b. It doesn't work. When the mode setting lever 4 is further switched to the defroster mode 2c, the roller 5b of the micro switch 5 attached to the mode setting lever 4 is activated.
collides with the inclined cam surface 8 of the fixed cam 7 and the upper surface 15
The micro switch 5 is turned on and the cooler compressor operates as shown in Figure 1b, and dehumidified cold air is blown out from the defroster nozzle (not shown).

Further, as shown in FIG.
2, the movable cam 9 enters the lower surface 16 and pushes the movable cam 9 upward against the biasing force of the elastic member. Then, the movable cam 9 is held at the middle upper part of the operation panel surface 1, and the fixed cam 7 is placed in the notch 14.
is accommodated and maintained. In this state, press the mode setting lever 4 to display the face mode 2a on the mode display section 2.
When held at 1, the micro switch 5 is turned off and the cooler compressor does not operate as shown in FIG. 1b. While holding the temperature control lever 6 above at "MID", press the mode setting lever 4.
When the mode setting lever 4 is switched to the foot mode 2b, the roller 5b of the micro switch 5 attached to the mode setting lever 4 collides with the upper inclined cam surface 11 of the movable cam 9 and rides on the upper surface 17.
When turned on, the cooler compressor operates as shown in FIG. 1b, and dehumidified warm air is blown out from the heater outlet to provide dehumidification and heating. When the mode setting bar 4 is further switched to the defroster mode 2c, the roller 5b of the micro switch 5 moves from the upper surface 19 of the movable cam 9 to the upper surface 15 of the fixed cam 7, the micro switch 5 is kept in the ON state, and the cooler Warm air dehumidified by the operation of the compressor is blown out from the defroster nozzle.

Furthermore, set the temperature control lever 6 to "MID".
When the switch is switched from "HOT" to "HOT", the lever 6 moves while slidingly contacting the lower surface 16 of the movable cam 9, and the movable cam 9 is positioned and held at the upper middle part of the operation panel surface section 1 as it is. Therefore, the mode setting lever 4 can be changed from "COOL" to "MID" and "HOT".
The operating state of the cooler compressor when switched to is the same as when the temperature control lever 6 is in the "MID" position as shown in FIG. 1B, and the explanation thereof will be omitted.

It should be noted that the present invention can be applied not only to the cooler compressor control device provided with the blowout mode on the operation panel surface portion of the above embodiment, but also to those provided with various other blowout modes.

Effects of the invention According to the invention, by simply switching the mode setting lever, the cooler compressor can be operated in various blowout modes, especially in the blowout mode that requires dehumidification, and the temperature control lever can also be operated. The operating range of the cooler compressor can be changed by switching.
The operation is extremely simple and easy compared to the conventional one, and the operability can be greatly improved.
Moreover, a complicated control device for controlling the cooler compressor is not required, and manufacturing is easy and manufacturing costs can be reduced.

[Brief explanation of the drawing]

Figure 1a is a schematic front view showing an embodiment of the device of the present invention, and Figure 1b is an explanatory diagram showing the operating states of the cooler compressor corresponding to the positions of the mode setting lever and temperature control lever shown in Figure 1a. , FIG. 2 is a schematic front view showing the operating procedure of the device of the present invention. DESCRIPTION OF SYMBOLS 1...Operation panel surface part, 2...Blowout mode display part, 4...Mode setting lever, 5...Micro switch, 6...Temperature control lever, 7...
...Fixed cam, 9...Movable cam.

Claims (1)

[Scope of utility model registration request] It is arranged so that it can be switched intermittently in a linear direction along the blowout mode display section that displays multiple blowout modes side by side on the operation panel surface, and is partially equipped with a micro switch for operating the cooler compressor. A mode setting lever, a temperature control lever disposed in parallel with the mode setting lever so as to be able to switch in a linear direction, and a temperature control lever installed in the switching path of the mode setting lever, and the micro switch is installed in a desired blowing mode. A fixed cam to be operated, and a micro cam set in the switching path of the temperature control lever so as to be able to protrude toward the switching path of the mode setting lever in conjunction with the switching operation of the control lever, and A cooler compressor control device for an automobile air conditioner, which consists of a movable cam that changes the operating position of a switch.