Temperature measurement and acquisition system

A technology of acquisition system and temperature measuring device, applied in the field of acquisition system, can solve problems such as high power requirements, delayed measurement, low voltage, etc., and achieve the effect of solving the problem of too long lines

Inactive Publication Date: 2009-03-25
SHANGHAI CONSTRUCTION GROUP
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  • Abstract
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Problems solved by technology

Due to the complex conditions on the construction site, it is easy for a single sensor to be damaged or a certain line to be damaged. If the above situation occurs, the entire temperature measurement system will be paralyzed and cannot continue to work. Moreover, because of the complexity of the construction site conditions, It is often difficult to check immediately which section of the circuit is the problem, so the measurement work will be delayed
[0004] Secondly, the one-line temperature measurement method, when the site is large, the wiring will be particularly long, and a lot of voltage will be consumed on the line, so that the voltage obtained by some sensors at the far end is low, and the temperature measurement and transmission data cannot be effectively measured, which affects Normal measurement work, so the one-line temperature measurement method also has higher requirements on the power supply

Method used

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  • Temperature measurement and acquisition system

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Embodiment Construction

[0015] The invention will be further described below in conjunction with the accompanying drawings.

[0016] Please refer to figure 1 , figure 1 It is a structural schematic diagram of the temperature measurement and acquisition system of the present invention. It can be seen from the figure that a temperature measurement and acquisition system is mainly used to test the temperature of concrete, especially large concrete. The system includes a data acquisition device 12, and connected with it Power supply 11, multiple temperature measuring devices 10, data transmission device 13 and time management device 14. The data acquisition device 12 is the core of the entire system, including a processor and a memory, and the processor is connected to the temperature measuring device 10, the power supply 11, the data transmission device 13 and the time management device 14; the temperature measuring device 10 is a temperature sensor, This system uses 6 temperature measuring sensors 10...

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Abstract

The invention provides a temperature measurement acquisition system, which comprises a data acquisition device, as well as a power supply, a plurality of temperature measurement devices, a data transmission device, and a time management device which are connected with the data acquisition device, wherein the temperature measurement devices adopt a parallel connection mode, and the parallel connection mode avoids the breakdown of the whole system caused by the damage of a single sensor or the damage of certain line, and also solves the problems of overlong lines and excessive signal attenuation in the serial connection to ensure that all temperature sensors can normally work under normal situation.

Description

technical field [0001] The invention relates to an acquisition system, and in particular to a temperature measurement acquisition system. Background technique [0002] Existing concrete, including large-volume concrete, adopts a one-line temperature measurement method. The specific method is to connect all sensors for temperature measurement, data acquisition boxes and computers through a bus. Each sensor has a specific number. The temperature value of each test, together with the number, is transmitted to the computer through the data acquisition box for storage. Although this temperature measurement method is convenient and practical, it also has some shortcomings. [0003] First of all, the whole circuit is connected in series, when a point in the series circuit is disconnected, the whole circuit is disconnected. Due to the complex conditions on the construction site, it is easy for a single sensor to be damaged or a certain line to be damaged. If the above situation occ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K13/00G08C17/02
Inventor 伍小平杨兴富赵大鹏成康
Owner SHANGHAI CONSTRUCTION GROUP
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