Detection method for current output type transmitter and system thereof

A detection method and detection system technology, applied in the direction of instruments, etc., can solve problems such as low process efficiency, achieve the effects of improving efficiency, ensuring uninterrupted power supply, and improving detection efficiency

Pending Publication Date: 2017-11-21
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If each detection point is processed by the operation of the above process, the efficiency of the whole process will be extremely low

Method used

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  • Detection method for current output type transmitter and system thereof
  • Detection method for current output type transmitter and system thereof
  • Detection method for current output type transmitter and system thereof

Examples

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Embodiment Construction

[0030] In the following, the present invention will be further described in conjunction with the embodiments, but it does not constitute any limitation to the present invention. Any limited modification made within the scope of the claims of the present invention is still within the scope of the claims of the present invention.

[0031] Such as Figure 1-Figure 2 As shown, the present invention provides a detection method for a current output transmitter, which includes the following processing steps:

[0032] Step 1: Simultaneously supply power to several tested transmitters 2 in parallel through the power supply 1, so that each tested transmitter 2 can be warmed up at the same time;

[0033] Step 2: Provide each tested transmitter 2 with a set detection value, and connect a current detection device 3 to each tested transmitter 2 through the set detection switch K, and the tested transmitter 2 corresponds After the detection switch K works, the original preheating circuit of the te...

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PUM

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Abstract

The invention discloses a detection method for a current output type transmitter and a system thereof. On one hand, the invention provides a detection method for a current output type transmitter. The method comprises the following processing steps: step 1, a power supply supplying power to a plurality of detected transmitters which are connected in parallel; step 2, connecting a current detection device with each detected transmitter respectively through arranged detection switches, the detected transmitters and the current detection device and the power supply forming a series-connected detection circuit to detect; step 3, after each detected transmitter is detected, comparing detection actual values with corresponding set detection values, to determine whether the detected transmitters are qualified; step 4, in a detection process, after the same set detection value of all detected transmitters is detected, the next set detection values of the detected transmitters are detected again. On the other hand, the invention provides a detection system for a current output type transmitter. The method and the system can effectively improve detection efficiency and save cost.

Description

Technical field [0001] The invention relates to the field of transmitter detection, in particular to a detection method of a current output type transmitter, and also to a current output type transmitter detection system. Background technique [0002] Instruments used in industrial production process measurement and control, such as pressure transmitters, temperature transmitters, flow transmitters, electrical parameter transmitters, etc. In the process of measuring physical parameters, these instruments transform the measured value into an industrial standard uniform electrical signal, which is generally 0-10V voltage, 1-5V voltage, 4-20mA current, etc. If the pressure is 0~1MPa, it will output 4~20mA current, if the temperature is -5~55℃, it will output 4~20mA current. If the humidity is 0~100%RH, it will output voltage of 0~10V. The accuracy of these measuring instruments requires testing or periodic verification. In the detection, the standard equipment generates and provid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D18/00
CPCG01D18/00
Inventor 陈夏
Owner GUANGXI YUCHAI MASCH CO LTD
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