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Transformer for measuring pressure

A pressure changing device and pressure technology, applied in the field of pressure changing devices, can solve problems such as inconvenience

Inactive Publication Date: 2015-08-12
李佳欣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This shows that above-mentioned existing pressure gauge obviously still has inconvenience and defect in structure and use, and urgently needs to be further improved

Method used

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  • Transformer for measuring pressure
  • Transformer for measuring pressure
  • Transformer for measuring pressure

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Embodiment Construction

[0017] In order to further explain the technical means and effects that the present invention adopts to achieve the intended purpose of the invention, the specific implementation, structure, Features and their functions are described in detail below.

[0018] refer to figure 1 , the first preferred embodiment of the pressure changing device of the present invention is used to measure the pressure of a test object 1, and includes: a hollow cylinder seat 2, a piston unit 3, and a display unit 4.

[0019] The hollow cylinder block 2 includes a hollow narrow tube section 21 installed on the object under test 1 , and a wide tube section 22 extending outward from the top of the narrow tube section 21 and having a cross section larger than the narrow tube section 21 . The narrow barrel section 21 is detachably screwed on the object under test 1 , and has a first port 211 away from the wide barrel section 22 and connected to the object under test 1 . The wide barrel section 22 has a...

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PUM

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Abstract

The invention relates to a variable pressure device for measuring pressure, which comprises a hollow cylinder seat arranged on an object to be measured and a piston unit installed moveably in the hollow cylinder seat. The hollow cylinder seat comprises a narrow cylinder section and a wide cylinder section which is greater than the narrow cylinder section in cross section. The narrow cylinder section has a first end opening far from the wide cylinder section. The wide cylinder section has a second end opening far from the narrow cylinder section. The piston unit comprises a piston installed in the wide cylinder section and a push rod installed between the wide and narrow cylinder sections so that the hollow cylinder seat is divided into a first pressure space between the push rod and the first end opening, a separating space between the narrow cylinder section and the piston and a second pressure space between the piston and the second end opening. Through the design, the pressure to be measured of the object to be measured after variable pressure buffering can be measured so that the invention has wider using effects.

Description

technical field [0001] The invention relates to a pressure changing device, in particular to a pressure changing device for measuring the pressure of an object to be measured. Background technique [0002] The force acting vertically and uniformly on the unit area is called pressure, also known as pressure. When the pressure is positive relative to the ambient atmospheric pressure, it is called positive pressure; when the pressure is negative relative to the ambient pressure, it is called negative pressure. Pressure is an important parameter in industrial production. For example, if the pressure of a high-pressure container exceeds the rated value, industrial safety accidents may occur, so it must be measured and controlled at any time. In some industrial production processes, pressure will directly affect product quality and production efficiency, and even under certain conditions, it can also be used to indirectly measure temperature, flow rate or liquid level. [0003] P...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L19/00
Inventor 李佳欣
Owner 李佳欣
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