Wireless electronic differential pressure transmitter
A differential pressure transmitter, wireless electronic technology, used in instruments, measuring fluid pressure, pressure difference measurement between multiple valves, etc., can solve problems such as device damage and inconvenient disassembly
Inactive Publication Date: 2019-07-12
合肥远江电源科技有限公司
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Problems solved by technology
However, in this technical solution, the installation plane and the cover are connected by glue. When the components inside the transmitter need to be overhauled, it is inconvenient to disassemble them and easily cause damage to the components.
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Embodiment 1
[0023] Such as Figure 1-3 As shown, a wireless electronic differential pressure transmitter includes a housing 1, a battery 2 is arranged inside the housing 1, and the battery 2 is electrically connected to a differential pressure measurement module 3, an A / D conversion module 4 and a wireless communication module 5. The differential pressure measurement module 3 is used to test the analog signal data of the differential pressure. The A / D conversion module 4 converts the analog signal data into digital signal data and then outputs the digital signal data. The digital signal data is sent to the external via the antenna 502 in the wireless communication module 5 Receiving equipment, the pressure difference measurement module 3 is composed of two pressure measurement probes 301 and a pressure difference comparison module 302, the wireless communication module 5 is composed of a HART module circuit 501 and an antenna 502, and the A / D conversion module 4 is connected to the shell 1...
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The invention relates to the technical field of differential pressure transmitters, and in particular to a wireless electronic differential pressure transmitter, comprising a shell, wherein a batteryis arranged in the shell, the battery is electrically connected with a differential pressure measurement module, an A / D conversion module and a wireless communication module, the differential pressuremeasurement module is composed of two pressure measurement probes and a differential pressure comparison module, the wireless communication module is composed of an HART module circuit and an antenna, the A / D conversion module is connected to an inner bottom wall of the shell, a positioning screw is rotated to drive a positioning convex plate to approach to a positioning circular ring, the positioning convex plate leans against the positioning circular ring through a rubber strip, due to the arrangement of the rubber strip, the connection between an upper shell and a lower shell is tighter, and it is easier to overhaul the internal components; and a circular truncated cone is arranged to fix the position of an irregular sleeve, so that the fixing effect of the shell is better, the shell is prevented from moving, an external thread through pipe with a cover body is connected with a mounting sleeve, and due to the threaded connection mode, the disassembly is simple and convenient, and no damage is generated easily.
Description
technical field [0001] The invention relates to the technical field of differential pressure transmitters, in particular to a wireless electronic differential pressure transmitter. Background technique [0002] The differential pressure transmitter is a typical self-balancing detection instrument. It uses the working principle of negative feedback to overcome the influence of unfavorable factors such as component materials and processing technology. The differential pressure transmitter is used to prevent the medium in the pipeline from directly entering the transmitter. used to measure the liquid level, flow and pressure of liquid, gas or steam. [0003] The application number is 201821169403.9, and the patent name is the technical solution of wireless electronic differential pressure transmitter. This technical solution can be used in any scene where wireless signal receiving equipment is deployed, eliminating the limitation of line laying, and can receive data at the same...
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IPC IPC(8): G01L13/00G08C17/02
CPCG01L13/00G08C17/02
Inventor 徐晓伟
Owner 合肥远江电源科技有限公司