Wireless digital pressure measuring device
A measuring device, digital technology, applied in the direction of measuring device, pressure difference measurement between multiple valves, fluid pressure measurement, etc., can solve the inconvenient connection between the pipeline and the interface, the difficulty in ensuring the sealing of the joint, and the reliable connection Insufficient performance and other problems, to achieve the effect of eliminating hidden dangers of leakage, reliable sealing, and convenient disassembly and assembly
Inactive Publication Date: 2015-12-23
BENGBU SUNMOON INSTR INST
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Problems solved by technology
The shortcomings in its use are: 1. The connection between the pipeline and the interface is inconvenient, and the sealing of the connection is difficult to guarantee; 2. The reliability of the connection is not ideal.
Method used
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[0009] The present invention is further described below in conjunction with embodiment and accompanying drawing.
[0010] see figure 1
[0011] The wireless digital pressure measuring device provided by the present invention has a display meter 2 and a differential pressure sensor 3, and a connected data processor and a display module are installed in the display meter 2. The outside of the differential pressure sensor 3 is connected to the lower end of the display meter 2. The connection between the differential pressure sensor 3 and the data processor is connected by a data line 4 . The positive pressure end and the negative pressure end of the differential pressure sensor 3 respectively have a protruding joint 5, and each joint 5 is connected with a casing 7 through thread fit, and a section of connecting pipe 8 extends into each casing 7, The outer end of the casing 7 has a retaining ring 7b, and the connecting pipe 8 has a shoulder 8a on the part inside the casing. The...
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Provided is a wireless digital pressure measuring device, comprising a display header and a differential pressure sensor. The display header is internally provided with a data processor and a display module connected with each other. The differential pressure sensor is connected with the data processor. The positive pressure end and the negative pressure end of the differential pressure sensor are respectively provided with a tap. The tap is connected with a casing pipe. A connecting pipe extends into the casing pipe. The outer end of the casing pipe is provided with a check ring. The connecting pipe is provided with a shoulder. The conical surface of the port of the tap is cooperated with the spherical surface on one end of the connecting pipe in a sealing manner. A main flange on the tap and an assistant flange on the casing pipe are connected by a bolt. One end of a pipe is connected with a storage tank, and the other end of the pipe is connected with the connecting pipe, and then the casing pipe is connected with the taps, and the spherical surface on one end of the connecting pipe is cooperated with the conical surface of the port of the tap in a sealing manner, so as to ensure reliable sealing. The main flange and the assistant flange are connected by the bolt, and enhanced connection is further realized, connection looseness caused by vibration in use or transportation of the tank is prevented, and leakage hidden trouble is eliminated.
Description
technical field [0001] The invention relates to a pressure measuring device, in particular to a digital pressure measuring device. Background technique [0002] In the fields of petroleum, chemical industry, transportation, scientific research, etc., it is often necessary to measure the pressure of liquids and gases stored or transported. The basic structure of an existing digital pressure measuring device is as follows: a connected data processor and a display module are installed in a display gauge head, the lower part of the gauge head is connected to the shell of a differential pressure sensor, and the differential pressure sensor is connected to the data The processors are connected, and the positive pressure end and the negative pressure end of the differential pressure sensor respectively have an interface. During installation and use of this pressure measuring device, pipelines are connected to the interfaces at both ends of the differential pressure sensor, and the...
Claims
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IPC IPC(8): G01L11/00G01L13/00
Inventor 李剑陈海燕陈虹陈荡王锐吴列臣吴红军陈明业
Owner BENGBU SUNMOON INSTR INST