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Test device of high-precision pressure transmitter aging test system

A technology for aging testing and testing equipment, which is applied in measuring equipment, calibration/testing of force/torque/power measuring instruments, and measurement of fluid pressure. It can solve problems such as low precision and difficulty in meeting high-precision requirements, and achieve high-precision testing. Reduced effect

Inactive Publication Date: 2020-06-05
天水逢泰科技有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a test device for a high-precision pressure transmitter aging test system, which aims to solve the problem that the existing pressure transmitter aging test device has generally low precision and is difficult to meet the high-precision requirements

Method used

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  • Test device of high-precision pressure transmitter aging test system

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element must have a particular orientation, be constructed, and operate in a ...

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Abstract

The invention belongs to the technical field of pressure transmitters, and particularly relates to a high-precision pressure transmitter aging test system test device, which comprises a basic test system, and the basic test system comprises 1-10 basic test boards, a power supply / control box, a computer and a display system. Each basic test board can comprise 1-24 measurement modules, the measurement modules adopt a modular design mode, each measurement module corresponds to one pressure transmitter, two extended junction box wiring terminals are arranged at the end part of each basic test board, and the basic test boards are connected through the extended junction box wiring terminals. A data acquisition component is arranged in each measurement module, gears in an automatic range conversion circuit at the front end of the data acquisition component are divided into a 0-5mA gear and a 0-25mA gear, and the automatic range conversion circuit at the front end of the data acquisition component is controlled by a single-chip microcomputer to automatically convert the range gears. A high-power direct-current stabilized power supply is arranged in the power supply / control box, and a desktop industrial computer is adopted as the computer.

Description

technical field [0001] The invention relates to the technical field of pressure transmitters, in particular to a test device for an aging test system of a high-precision pressure transmitter. Background technique [0002] With the advent of the Industry 4.0 era, the vigorous development of automation and other industries has provided a broad development platform for the pressure transmitter industry. Pressure transmitters are widely used in industrial automation fields such as coal, petroleum, chemical industry, electric power, metallurgy, light industry, and military industry. [0003] The pressure transmitter (sensor) is a precision electronic measurement product. The temperature drift of the internal electronic components has a great influence on the performance and stability of the product. In order to ensure the performance stability of the pressure transmitter and obtain high-precision measurement results, It is necessary to carry out aging test on the product, and ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L27/00G01L25/00
CPCG01L25/00G01L27/00
Inventor 张会军
Owner 天水逢泰科技有限责任公司
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