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Gear type flow direction flow transmitter

A gear and flow technology, used in the field of automated instruments, can solve problems such as the inability to measure the direction of fluid flow

Inactive Publication Date: 2014-03-26
天津有序环境科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the disadvantage that the known flow meters have a common defect, although they have different principles, that is, they cannot measure the direction of fluid flow. The present invention provides a gear type flow rate transmitter

Method used

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  • Gear type flow direction flow transmitter

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Embodiment Construction

[0019] in figure 1 In the first embodiment shown, a gear pump structure (1) with a length of 150mm, a width of 200mm, and a height of 100mm is used, and the shaft of one of the two gears constituting the gear pump extends out of the shell, and the shaft ( 2) There is a seal (3) between the shell and the shell, so that it can not only allow the shaft to rotate freely, but also prevent the fluid in the shell from leaking out. In this way, the rotation speed of the shaft extending out of the shell is within the range of the volume flow rate of the fluid in the shell. Proportional, the shaft end extending out of the shell is connected to a tachometer encoder (4) with a direction signal, and the shaft extending out of the shell is fixedly connected to the tachometer encoder coaxially, and the speed and direction of rotation of the shaft can be measured, and finally Obtain flow direction and flow signal.

[0020] In the second embodiment, the diameter of the shaft protruding out of th...

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PUM

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Abstract

The invention relates to a flow instrument which can measure flow and the flow direction as well. A gear type flow direction flow transmitter comprises at least one rotating speed and rotating direction measuring device and a gear pump structure. A shaft of at least one of two gears which form a gear pump extends out of a shell, seal exists between the shaft extending out of the shell and the shell, due to the seal, the shaft can freely rotate, liquid can not leak out of the shell, and the shaft extending out of the shell is coaxially and synchronously connected with an element to be measured by the rotating speed and rotating direction measuring device. The shaft extending out of the shell is coaxially and fixedly connected with the rotating speed and rotating direction measuring device containing a speed measurement encoder. The gear type flow direction flow transmitter is particularly suitable for the situations where liquid flows in and out and suitable for manufacturing a new generation of automated instruments.

Description

Technical field [0001] The invention relates to an automatic instrument, especially a flow measuring instrument. Background technique [0002] At present, the known flow measuring instruments mainly include thermal diffusion type, ultrasonic type, differential pressure type target type, etc. Take the target type flow measurement method as an example, the principle is: install a target facing the fluid in the flow pipe The device, when the target device receives the impact of the fluid in the tube, the pitch deflection occurs, which is the flow signal. The greater the deflection angle, the greater the flow. Other flowmeters, such as thermal diffusion and ultrasonic, have different principles, but they have a common shortcoming that they cannot measure the direction of fluid flow. The present invention proposes and solves this problem. Summary of the invention [0003] In order to overcome the known flow meters, although their principles are different, they have a common shortcomi...

Claims

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Application Information

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IPC IPC(8): G01F1/05G01P13/02
Inventor 林峰
Owner 天津有序环境科技发展有限公司