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Temperature data acquisition method based on centralized temperature control system

A technology of temperature data and collection method, which is applied in the direction of control/regulation system, temperature control, comprehensive factory control, etc., and can solve problems such as lost data, missed acquisition cycle of upper computer, data loss, etc.

Inactive Publication Date: 2013-06-05
HUBEI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, when the upper computer collects data according to the theoretical maximum value of the temperature control point, there will be a possibility of data loss: 1) Due to environmental interference and other circumstances, the data sent by the inspection instrument to the upper computer is wrong, and the upper computer will lose the data. ;2) Due to too many temperature control points, the acquisition cycle of the upper computer is missed, and the data cannot be read, resulting in data loss

Method used

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  • Temperature data acquisition method based on centralized temperature control system
  • Temperature data acquisition method based on centralized temperature control system
  • Temperature data acquisition method based on centralized temperature control system

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Embodiment Construction

[0020] see Figure 1-Figure 3 , the embodiment of the present invention is based on the temperature data collection method of centralized temperature control system, and it comprises the following steps:

[0021] Step 1), the host computer of the system starts the serial port of the host computer to send the temperature control curve to the inspection instrument;

[0022] Step 2), the inspection instrument sends the temperature control curve to the temperature control base meter by segment;

[0023] Step 3), the upper computer reads the real-time temperature value of a base table in the memory of the patrol instrument according to the specified sampling period; if no temperature data is collected in the memory of the patrol instrument, perform step 4). If there is data, it will further judge whether the data sampling of this section is completed. If it is completed, the collected temperature data curve will be sent to the database before reading the next section of data. If i...

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Abstract

The invention relates to an intelligent centralized temperature control system, in particular to a temperature data acquisition method based on the centralized temperature control system. The method comprises the step that a principle computer of the system reads a real-time temperature value of a certain base table in a temperature inspecting instrument memorizer according to a specified sampling period. The method is capable of supplementing data of lost acquisition points to enable data in a database to be complete and a drawn real-time temperature curve to be complete, continuous and accordant with reality basically.

Description

technical field [0001] The invention relates to an intelligent centralized temperature control system, in particular to a method for collecting temperature data based on the centralized temperature control system. Background technique [0002] Centralized temperature control system, the hardware system structure see figure 1 , the uppermost layer is called the host computer, which is the center of the system, and all control input and output are completed here; the middle layer is the inspection instrument, which can connect up to 80 units, and the inspection instrument completes the distribution of temperature curves, base meter data collection and Base meter control; the bottom layer is the base meter (or temperature controller: including PID controller and temperature sensor\thermocouple), which can be connected to a maximum of 80 units to complete the functions of heating, cooling, constant temperature and alarm. The advantages of this structure are: 1), the scale of th...

Claims

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Application Information

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IPC IPC(8): G05B19/418G05D23/22
CPCY02P90/02
Inventor 李跃新刘建伟
Owner HUBEI UNIV