KR100795058B1 - Apparatus for display and keypad of heavy equipment's operating - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for displaying driving conditions such as fuel, voltage and pressure in a heavy equipment such as a forklift, a bulldozer, and a crane, and a keypad device used for driving operation of an air conditioner, The display device is attached at a position that is easy to view, the keypad device is attached at a position where operation is easy, and the data exchange between the display device and the keypad device is connected by a CAN communication method which is a serial data link method To a heavy equipment control display and a keypad device.

Heavy Equipment, Key Pat, Display, CAN

Description

≪ Desc / Clms Page number 1 > Apparatus for display and keypad of heavy equipment &

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a conceptual diagram of a heavy equipment control display and a keypad device according to the present invention;

2 is a block diagram of a heavy equipment manipulation keypad of the present invention,

3 is a view showing an example in which the heavy equipment operation display and the keypad apparatus of the present invention are installed.

Description of the Related Art [0002]

100; Main subject group

200; Display stage

300; Keypad stage

310; A microprocessor unit 320; CAN transceiver part

330; A keypad unit 340; The filter unit

350; An LED driver 360; LED part

370; A buzzer driver 380; The constant-

381; A power supply unit 390; Buzzer part

400; console

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for displaying driving conditions such as fuel, voltage and pressure in a heavy equipment such as a forklift, a bulldozer, and a crane, and a keypad device used for driving operation of an air conditioner, The display device is attached at a position that is easy to view, the keypad device is attached at a position where operation is easy, and the data exchange between the display device and the keypad device is connected by a CAN communication method which is a serial data link method To a heavy equipment control display and a keypad device.

Generally, the driver's seat of a heavy equipment such as a forklift, a bulldozer, and a crane is provided with a display module for informing various conditions of a hydraulic device, a motor, and the like according to general conditions such as heavy fuel, electricity, A keypad for operation of the air conditioner, the wind direction, automatic switching, a washer, a defrosting operation, menu selection for canceling a special equipment operation, canceling, and sound control. The display module and the keypad, which are integrally formed as described above, are usually housed in a box-shaped housing and installed in a space below the driver's seat, which is convenient for the driver to watch.

However, as described above, the display module and the keypad integrally installed in the front or lower portion of the driver's seat are easy to handle on the driver's side. However, when the keypad is operated, the driver must operate the keypad by bending the upper body during operation of the heavy equipment. .

In order to facilitate the operation of the keypad while ensuring easy viewing of the display device by the driver, the display device and the keypad device of the present invention for solving the above- And a data communication between the devices is connected by a CAN communication method, which is a serial data link method, and there is a technical problem to provide a display and a keypad device of a heavy equipment.

According to an aspect of the present invention, there is provided a display device including a display device attached at a position that is easy for a driver to see, a keypad device attached at a position where operation is easy, and data exchange between the display device and the keypad device And a serial data link type CAN communication method.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the configuration of a heavy equipment control display and a keypad according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual diagram of a heavy equipment control display and a keypad device according to the present invention. The display stage 200 and the keypad stage 300 of the present invention can perform data communication between the display stage 200 and the keypad stage 300 using a CAN (Controller Area Network) communication method which is a data communication method of a serial data link method. .

As shown in the drawing, the display unit 200 displays various displays such as a caution display, a fuel flow rate display, a cooling water temperature display, an oil pressure display, an oil level display, and an operation status display of a battery or a headlight. 200 are housed in a box-shaped housing and are installed at the lower end of the driver's seat so as to facilitate the driver's attention.

As shown in the figure, the keypad stage 300 includes various keys 330 for controlling air conditioning temperature, wind direction control, air conditioner operation, defrosting, menu selection arrows, selection, LEDs 360 indicating the depressed state of the key 330 are provided corresponding to the key 330 and are illuminated when the key 330 is pressed, It turns off when returning to the state before pressing.

At this time, the keypad stage 300 is housed in a box-shaped housing separately formed from the display stage 200, and is installed on the right or left side of the driver's seat so that the driver can easily operate the device. It is desirable that the structure is provided at a comfortable height.

The main control unit 100 performs data communication with the display unit 200 and the keypad unit 300 using a CAN (Controller Area Network) communication method as described above, and transmits a signal input from the keypad unit 300 For example, when the driver presses the keypad of the 'A / C' at the keypad stage 300, the main controller 100 receives the input signal, (Not shown) installed in the air conditioner.

The detailed configuration and operation of the main controller 100 may be configured using known techniques, and therefore, a detailed description thereof will be omitted.

2 is a block diagram of a keypad stage 300 of the present invention,

A filter unit 340 for filtering the noise signal generated when the key 330 is input and a controller 340 for controlling the operation of the air conditioner temperature control, Various key input signals for control of heavy equipment such as defrost, menu selection arrows, selection, cancellation, and time setting are received and a data signal for starting the corresponding equipment is generated by analyzing the key input signal And a microprocessor unit 310 for generating a driving signal for driving the LED or buzzer for transmitting the key input signal to the main control unit 100 and displaying the input state of the key 330 corresponding to the key input signal.

The microprocessor unit 310 receives a data signal for starting the corresponding equipment from the microprocessor unit 310 and transmits the data signal to the main control unit 100 using the CAN communication method. An LED driving unit 350 for driving the LED unit 360 according to the pressed state of the key 330 by receiving the LED driving signal transmitted from the microprocessor unit 310, A buzzer driving unit 370 for receiving the buzzer driving signal transmitted from the microprocessor unit 31 and driving the buzzer unit 390 and a buzzer driving unit 370 for controlling the input voltage applied to the keypad unit 300 from the power supply unit 381 And includes a constant voltage section 380 that is constant-voltage.

The keypad stage 300 configured as described above performs data communication by performing CAN communication with the display terminal 200 so that data on the operation status of the corresponding equipment controlled by the keypad stage 300 is displayed on the display 200) to display various displays such as a caution display, a fuel flow rate display, a cooling water temperature display, an oil pressure display, an oil level display, and a battery or a headlight operation status display.

When data corresponding to various dangerous conditions controlled by the main controller 100 during operation are transmitted to the keypad stage 300, the buzzer driver 370 is driven to display a caution display of the display terminal 200, (390) rings and outputs an alarm sound.

3 is a view showing an example in which the heavy equipment operation display and the keypad apparatus of the present invention are installed.

As shown in the drawings, the heavy equipment control display and the keypad apparatus of the present invention are installed inside a driver seat of a heavy equipment such as a forklift, a bulldozer, and a crane, and are provided with a warning display, a fuel flow rate display, a cooling water temperature display, The display unit 200, in which various displays such as the operation status of the battery and the headlight are displayed, is housed in a box-shaped housing, and is installed at the lower end of the driver's seat so that the driver can easily watch.

In addition, the keypad stage 300 having the various keys 330 for controlling the equipment of the heavy equipment such as the air conditioning temperature control, the wind direction control, the air conditioner operation, the defrosting, the arrow for menu selection, And is stored and installed in a console 400 formed at a position on the right side or left side of the driver's seat so as to be easy to operate by the driver.

At this time, the display unit 200 and the keypad unit 300 are internally connected by the CAN communication method, so that they can exchange information with the main controller 100 as well as with each other.

The present invention configured as described above allows the driver to easily operate the keypad stage 300 installed on the right or left side of the driver's seat without bending the body or stretching the arm more than necessary while watching the display stage 200 installed at the lower end So that it is possible to perform the operation.

Claims (3)

A display stage 200 in which a display of a state of the heavy equipment, a fuel flow rate display, a cooling water temperature display, an oil pressure display, an oil level display, and an operation state of a battery or a headlight are displayed, A keypad stage 300 to which keys for controlling the convenience equipment of the heavy equipment such as an arrow for selecting, canceling, and setting a time are removed and a signal input from the keypad stage 300 is received, (100) which carries out the main processing, The display stage 200 is housed in a box-shaped housing and is installed at a lower end of the driver's seat so that the operator can easily watch the display, The keypad stage 300 includes keys 330 formed on a keypad, a filter 340 for filtering a noise signal generated when a key 330 is input, An LED or buzzer for analyzing the key input signal to generate a data signal for starting the corresponding equipment and transmitting the data signal to the main control unit 100 and displaying the input state of the key 330 corresponding to the key input signal, A microprocessor unit 310 for generating a driving signal for driving the corresponding device from the microprocessor unit 310 using the CAN communication method and transmitting the data signal to the main controller 100, A CAN transceiver unit 320 for receiving an input signal from the main controller 200 or the main controller 100 and a controller 330 for receiving the LED driving signal transmitted from the microprocessor unit 310, And a constant voltage unit 380 for constantly applying an input voltage to the keypad unit 300 from the power supply unit 381. The constant voltage unit 380 is a constant voltage unit, The display stage 200 and the keypad stage 300 are disposed on the right or left side of the driver's seat so that the keypad stage 300 can be easily operated by the driver. And data on the operation status of the corresponding equipment controlled by the keypad unit 300 is transmitted from the keypad unit 300 to the display unit 200 so that the operation status display is displayed. Heavy duty manipulation display and keypad device. delete The apparatus according to claim 1, further comprising a buzzer driving unit (370) for receiving a buzzer driving signal transmitted from the microprocessor unit (310) and driving a buzzer unit (390) .

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