Digital manipulator for inverter and image display method for digital manipulator

Abstract

A digital manipulator for an inverter and an image display method for the digital manipulator are disclosed. The digital manipulator is connected to and an external computer. The images used by the digital manipulator are edited by editing software in an external computer and are downloaded to LCM of the digital manipulator to display. The digital manipulator has a plurality of function buttons. Corresponding functions of the function buttons are assigned via editing software by a user. As a result, the digital manipulator is more flexible to use, and users are allowed to configure a digital manipulator based on own individual requests and operating habits.

1 . A digital manipulator used for an inverter, the inverter being electrically connected to an external computer to download an image edited by editing software in the external computer, the digital manipulator comprising:
 a liquid crystal display (LCD) for displaying the downloaded image;   a plurality of control buttons for configuring and controlling the inverter;   a plurality of function buttons; and   a micro controller unit (MCU) being electrically connected to the LCD, the plurality of control buttons, and the plurality of function buttons for receiving and processing signals transmitted by the plurality of control buttons and the a plurality of function buttons, and transmitting the downloaded image to the LCD to display;   wherein, the function buttons are defined by the editing software in the external computer for assigning digital manipulator functions to each function button correspondingly.   
     
     
         2 . The digital manipulator of  claim 1 , wherein the external computer has a Universal Serial Bus (USB) interface port, the digital manipulator has a RS-485 communication interface port electrically connected to the MCU, the digital manipulator electrically connected to the external computer via a USB to RS-485 converter. 
     
     
         3 . The digital manipulator of  claim 1 , wherein the image is composed of one or multiple graphic components. 
     
     
         4 . The digital manipulator of  claim 3 , wherein the one or multiple graphic components are stationary graphics or dynamic graphics. 
     
     
         5 . The digital manipulator of  claim 4 , wherein the image is a power on image the digital manipulator. 
     
     
         6 . The digital manipulator of  claim 4 , wherein the image is a main image of the digital manipulator. 
     
     
         7 . The digital manipulator of  claim 6 , wherein the image comprises a plurality of labels being edited by the editing software in the external computer and corresponding to the functions of each function button respectively. 
     
     
         8 . The digital manipulator of  claim 7 , wherein the quantity of the plurality of function buttons and the plurality of labels is four. 
     
     
         9 . The digital manipulator of  claim 1 , wherein further comprising a memory electrically connects to the MCU for saving the downloaded image. 
     
     
         10 . An image display method for a digital manipulator of an inverter, the digital manipulator electrically connected to an inverter and an external computer, an image being edited by editing software in the external computer, and being download to the digital manipulator to display, the image display method comprising:
 a) analyzing quantity of graphic objects constituting the image;   b) analyzing types each graphic object as stationary graphics or dynamic graphics;   c) providing a stationary display temporary storage matrix at the digital manipulator, and filling the graphic object of a stationary graphics type into the stationary display temporary storage matrix;   d) providing a dynamic display temporary storage matrix at the digital manipulator, and filling the graphic object of a dynamic graphics into the dynamic display temporary storage matrix; and   e) mixing the stationary display temporary storage matrix and the dynamic display temporary storage matrix for generating a final display image.   
     
     
         11 . The image display method of  claim 10 , wherein further comprising:
 f) providing a liquid crystal module (LCM) at the digital manipulator for displaying the final display image.   
     
     
         12 . The image display method of  claim 11 , wherein the step c further comprising:
 c11) calculating the display position of the graphic object on the LCM if the graphic object is a stationary graphics following step b; and   c12) filling the graphic object into the stationary display temporary storage matrix.   
     
     
         13 . The image display method of  claim 12 , wherein the actual coordinates of the graphic object in the stationary display temporary storage matrix are calculated in the step c11. 
     
     
         14 . The image display method of  claim 10 , wherein the step d further comprising:
 d11) retrieving the inverter a real-time numeric value based on a predetermined communication address if the graphic object is a dynamic graphics following step b;   d12) applying the real-time numeric value on the graphic object for generating a numeric value graphics;   d13) calculating the display position of the numeric value graphics displayed on the LCM;   d14) filling in the numeric value graphics into the dynamic display temporary storage matrix.   
     
     
         15 . The image display method of  claim 14 , wherein the actual coordinates of the numeric value graphics in the dynamic display temporary storage matrix are calculated the step d13. 
     
     
         16 . The image display method of  claim 14 , wherein the method further comprises steps before the inverter or the digital manipulator are powered off:
 g) repeating executing the step d11 to the step d14 following the step e; and   h) repeating executing the step e following the step d14.   
     
     
         17 . The image display method of  claim 12 , wherein the temporary storage matrix of the stationary display has matrix space as large as the display size of the LCM. 
     
     
         18 . The image display method of  claim 14 , wherein the temporary storage matrix of the dynamic display has matrix space as large as the display size of the LCM.