Method for controlling constant-voltage constant-current power supply
A technology of constant voltage, constant current and power supply, which is applied in the direction of control/regulation system, regulation of electrical variables, instruments, etc., and can solve the problems that the user does not have a host computer, the operator cannot make, and the operator is far away.
Active Publication Date: 2014-01-15
RIGOL
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Problems solved by technology
However, in practical applications, users often do not have the upper computer
Moreover, using the host computer to control the output of the constant voltage and constant current power supply often keeps the operator away from the power supply equipment. Once the load is abnormal, the operator is often unable to make a timely response
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[0043] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0044] A programming method designed in the present invention to locally complete the editing and output of the programming power supply based on the constant voltage and constant current power supply is realized based on the constant voltage and constant current power supply. The constant voltage constant current power supply structure is as figure 1As shown, can usually include:
[0045] Power output, control unit CPU, keyboard, display, peripheral interface, D / A converter, A / D converter, power output circuit. The CPU is the control part of the power supply and the control center of the entire power supply system, and all parts and resources of the power supply system are controlled, allocated and monitored by it. The keyboard is the most direct and common way of human-computer interaction. Users can control the output of the power supply and set ot...
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The invention provides a method for programming a constant-voltage constant-current power supply. The programming method makes that a user completes design and output of a programming power supply through local operation on the constant-voltage constant-current power supply possible by locally designing a set of conventional hardware platform-based program power supply editing, controlling and operating method on the constant-voltage constant-current power supply. The user can completely make the conventional constant-voltage constant-current power supply be independent of an upper computer by a method for programming the constant-voltage constant-current power supply, and directly completes edition, control and output operation on the programming power supply locally on the constant-voltage constant-current power supply, so that the method greatly facilitates the practical application of the user.
Description
technical field [0001] A control method for a constant voltage and constant current power supply of the present invention relates to the technical field of DC power supply equipment, in particular to the technical field of DC power supply equipment with constant voltage and constant current functions. Background technique [0002] In today's society, whether it is in scientific research institutes, laboratories, or production lines, power supply equipment is everywhere. Moreover, due to the continuous improvement of production test efficiency and output accuracy requirements, the demand for programmability, monitorability and security of power supply equipment is becoming more and more urgent. [0003] A programmable power supply is a power supply whose certain functions or parameters can be programmed and controlled by computer software. Therefore, programmable power supplies are generally equipped with interfaces such as RS-232, USB, LAN, and GPIB. Through these interface...
Claims
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IPC IPC(8): G05F1/46
Inventor 王悦王铁军李维森
Owner RIGOL