Manufacture procedure controller capable of adjusting electric quantity and method for adjusting electric quantity
A technology for controllers and adjustment programs, applied in the direction of adjusting electrical variables, control/regulation systems, instruments, etc., can solve problems such as failure to operate, insufficient unsteady power sources of field devices, etc., to save power consumption and avoid power consumption Try to avoid the effect of communication failure
Inactive Publication Date: 2013-11-13
上海凡宜科技电子有限公司 +1
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Problems solved by technology
[0007] The purpose of the present invention is to provide a method for process controller to adjust the power to solve the technical problem in the prior art that the field device cannot operate when the unsteady power source is insufficient
[0008] Another object of the present invention is to provide a power-adjustable process controller to solve the technical problem in the prior art that the field device cannot operate when the non-steady-state power source is insufficient.
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[0043] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0044] The unit time in the following description is one hour as a unit time.
[0045] see figure 2 , the process controller with power regulation function of the present invention is used to connect a field device, and includes:
[0046] a transmission unit 10;
[0047] A backup power supply unit 20 further includes an unsteady power module 21, a power conversion module 22 and a rechargeable battery 23, and the unsteady power module 21 is connected to the rechargeable battery through the power conversion module 22 The battery 23 is used to charge the rechargeable battery 23, and the unsteady power module 21 and the rechargeable battery 23 are used to supply the power required by the process controller and the external field device 83. In this embodiment, the standby The carrying power unit 20 further includes a switch 24 and a current detection circuit 25, and t...
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The invention provides a manufacture procedure controller capable of adjusting electric quantity and a method for adjusting the electric quantity. The method comprises the following steps: providing a control unit which is internally provided with an electric quantity detection and driving frequency adjusting procedure; after executing the electric quantity detection and driving frequency adjusting procedure to detect the electric quantity that can be provided by a reserved power supply unit and the electric quantity for driving a field device, increasing and decreasing times of driving the field device in each unit time; and outputting a reporting message though a transmission unit after the field device is driven. Therefore, even if the reserved power supply unit cannot provide enough electric quantity when being influenced by the weather, the consumption of the electric quantity of the reserved power supply unit can be reduced through reducing the times of driving the field device in each unit time, so as to avoid rapidly exhausting the electric quantity of the reserved power supply unit.
Description
technical field [0001] The invention relates to a process controller, in particular to a process controller with power regulation function and a method for regulating power. [0002] Background technique [0003] Process Control System (Process Control System) is usually used in various pharmaceuticals, chemicals, precision electronics and even large-scale construction projects to monitor and adjust the temperature, air pressure, water level of various liquids and flow etc. [0004] see figure 1 , the existing process control system includes a plurality of process controllers 81 and a monitoring host 82. The plurality of process controllers 81 are arranged on various engineering sites or workshops, and communicate with the monitoring system through a wired or wireless Internet network. Host 82 links, the figure 1 Taking the wired Internet as an example, each process controller 81 will be electrically connected to a field device 83 (Field Device). The field device 83 can ...
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IPC IPC(8): G05F1/565
Inventor 吴定国
Owner 上海凡宜科技电子有限公司