Preinstallation of a pressure sensor module

A pressure sensor and isolator technology, applied in the direction of measuring fluid pressure, measuring fluid pressure through electromagnetic components, instruments, etc., can solve problems such as damage and pollution

Inactive Publication Date: 2002-10-23
ROSEMOUNT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, before the modules are assembled together, the exposed electronic components in the sensor module may be contaminated and damaged by human contact, leaked or corrosive chemicals in the environment, or other environmental conditions

Method used

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  • Preinstallation of a pressure sensor module
  • Preinstallation of a pressure sensor module
  • Preinstallation of a pressure sensor module

Examples

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Embodiment Construction

[0020] As shown in FIG. 1, the improved pressure sensor module housing has an integrally formed threaded process fluid inlet and an integrally formed threaded boss or support housing for supporting the wiring structure. The bushing also provides support for the converter module. In the pressure sensor module, the casing seals the sensor and electronic components, so that it can be installed independently on site without installing the converter module first, and it can ensure that the electronic components of the pressure sensor are not exposed to harsh on-site air. middle. Process fluid piping can be connected and pressure tested with the modified pressure sensor module at an early stage of process system construction even when the transducer module does not yet exist. In process system construction, the improved pressure sensor module can be stored outdoors or in the field environment for an extended period of time without damage to the sensor or the electronic components i...

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Abstract

A pressure sensor module and method for pre-installation without a converter module. The pressure sensor module is hermetically sealed and can remain undamaged in an installation environment without a converter module. The pressure sensor module can be assembled later with a converter module in the installation environment. The pressure sensor module includes an isolator, a pressure sensor and a circuit that provides a bus for energization, control and a digital pressure output. The bus is connected to contacts in an insulating feedthrough. An integrally formed hermetic external support structure surrounds the pressure sensor and circuit. The hermetic external support structure has a threaded process fluid inlet around the isolator, and a threaded support sleeve supporting the feedthrough.

Description

technical field [0001] The present invention relates to industrial process systems; more particularly, to pressure transmitters used in industrial process systems. Background technique [0002] Pressure transmitters are typically installed in a clean and controlled factory or workshop environment by assembling a pressure sensor module with a transducer module. The shells of the above two modules all have a connection structure with threads, through which the electronic circuit can protrude and be connected with other modules. The above two threaded connection structures are connected together by threads, and each module is sealed by its connection structure with other modules, thereby forming a complete pressure transmitter and providing protection for its internal electronic circuit. [0003] But before the modules are assembled together, the exposed electronic components in the sensor module may be contaminated and damaged by human contact, spilled or corrosive chemicals ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L19/14G01D1/00G01L9/00H01R29/00
CPCG01L19/0046G01D1/00G01L19/0084G01L19/0663G01L19/141H01R29/00
Inventor 史蒂文·M·贝恩理查德·L·尼尔森罗伯特·黑特克罗格·弗瑞克斯科特·D·尼尔森马克·范德赖西奥多·H·施纳瑞布瑞·L·韦斯特费尔德马克·S·舒马克韦斯顿·罗佩尔
Owner ROSEMOUNT INC
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