Display control method for uninterrupted power supply or stabilized voltage power supply

A display control method and a technology for stabilizing power supplies, which are applied in the field of power supplies, can solve the problems of complex programming of the control logic display screen interface and the inability to add aesthetics to the product, and achieve simple control circuit and display screen interface, and simplify control logic and program writing , The effect of reducing product cost

Inactive Publication Date: 2011-07-13
EAST GRP CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Both uninterruptible power supply (UPS) and regulated power supply are equipped with a display device to allow users to know the current operating data and status of the equipment at any time. At present, the well-known display screens are connected by liquid crystal, backlight, PCB, and logic chips. , Assembled, through the control chip, use the dot matrix display method to display numbers and icons to display the relevant data of the equipment. For the product, it is just a dry number, not only can not add beauty to the product, but also, the control of the product The shortcomings of logic, circuit, display interface (8-16 I / O ports), and programming are very complicated

Method used

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  • Display control method for uninterrupted power supply or stabilized voltage power supply
  • Display control method for uninterrupted power supply or stabilized voltage power supply
  • Display control method for uninterrupted power supply or stabilized voltage power supply

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Embodiment Construction

[0022] The present invention will be further described in conjunction with the following examples.

[0023] The display control method of uninterruptible power supply and regulated power supply of the present invention is as follows: figure 1 As shown, the steps include:

[0024] A: Send initialization data to clear the LCD screen of the display device;

[0025] B: The LCD controller reads the input voltage and output voltage of the uninterruptible power supply or regulated power supply;

[0026] C: The liquid crystal display controller judges whether the voltage value of the input voltage and output voltage is greater than 150V. If it is greater than 150V, the displayed voltage is (voltage value-150V) / 30+(voltage value-150)% 30 / 3; if less than or equal to 150V, the displayed voltage is (voltage value / 30+voltage value%30 / 3);

[0027] D: Light up the corresponding DB or DD, DA or DC according to the value of the displayed voltage obtained in step C;

[0028] E: Light up the...

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PUM

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Abstract

The invention relates to a display control method for an uninterrupted power supply or a stabilized voltage power supply, comprising the following steps of: A, sending initial data; B, reading the input voltage and the output voltage of the uninterrupted power supply or the stabilized voltage power supply by a liquid crystal display screen controller; C, judging whether the values of the input voltage and the output voltage are more than 150 V by the liquid crystal display screen controller; D, lightening corresponding DB or DD, DA or DC according to the value of the display voltage obtained in the step C; E, lightening corresponding dial pointers P1-P30 or P31-P60 according to the value of the display voltage obtained in the step C; F, looking up an LCD (Liquid Crystal Display) address table, sending and displaying data. The method simplifies the control logic and program writing of an upper computer, reduces the product cost (MCU resources) of a display device and enables a control circuit and a display screen interface to be simpler.

Description

technical field [0001] The invention relates to the field of power supply technology, in particular to a display control method for an uninterruptible power supply and a stabilized power supply. Background technique [0002] Both uninterruptible power supply (UPS) and regulated power supply are equipped with a display device to allow users to know the current operating data and status of the equipment at any time. At present, the well-known display screens are connected by liquid crystal, backlight, PCB, and logic chips. , Assembled, through the control chip, use the dot matrix display method to display numbers and icons to display the relevant data of the equipment. For the product, it is just a dry number, not only can not add beauty to the product, but also, the control of the product The shortcomings of logic, circuit, display interface (8-16 I / O ports), and programming are very complicated. Contents of the invention [0003] The object of the present invention is to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
Inventor 宋青华郑少忠
Owner EAST GRP CO LTD
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