Five-hole ball head probe holder
A ball head and probe technology, applied in the direction of measuring devices, instruments, fluid velocity measurement, etc., can solve the problems of distortion of measurement results, exceeding the measurement range of the probe, and inaccurate measurement after adjusting the angle, so as to achieve the effect of accurate marking
Active Publication Date: 2016-05-04
STATE GRID CORP OF CHINA +1
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Problems solved by technology
[0003] When the five-hole ball head probe measures the three-dimensional flow velocity field, there are certain requirements for the angle (α, β) between the wind speed direction and the probe. If the angle is too large, it will exceed the measurement range of the probe and distort the measurement results.
However, the current commonly used brackets are mainly for adjusting the position of the measuring point, and it is impossible to adjust the angle without changing the position of the measuring point of the five-hole ball head, and the adjustment angle cannot be accurately measured
Method used
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[0016] The implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.
[0017] A five-hole ball head probe holder, such as figure 2 Or as shown in 3 or 4, the upper rod 1 of the pluggable bracket is fixedly equipped with a cross sleeve 2 on the upper rod of the bracket, the longitudinal sleeve 14 of the cross sleeve is fixed on the upper rod of the bracket, and the horizontal sleeve of the cross sleeve A scale sleeve 17 is installed in the barrel, and the port section of the scale sleeve is marked with a β angle scale. A five-hole ball head probe 2 is installed in the scale sleeve, and the lower end of the upper rod of the bracket is inserted into the bracket In the lower rod 4, the lower end of the lower rod of the bracket is vertically fixed at the eccentric position of the base...
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The invention relates to a five-hole-bulb probe support. The support comprises a support upper rod, wherein a longitudinal sleeve of a crossed sleeve is fixedly arranged on the support upper rod, a scale sleeve is arranged in a transverse sleeve of the crossed sleeve in a penetrating mode, a five-hole-bulb probe is arranged in the scale sleeve in a penetrating mode, the support upper rod is inserted into a support lower rod, the support lower rod is vertically fixed to an eccentric position of a base inner disc, a center indication needle is arranged in the circle center of the base inner disc, scales are carved on the edge of the base inner disc, a horizontal bubble is made at the eccentric position of the base inner disc, the base inner disc is arranged in a disc-shaped groove of a base, the base inner disc and a rotating bearing fixed to the lower portion of the base are coaxially connected, and four corners of the lower portion of the base are fixedly provided with adjustment pads. The five-hole-bulb probe support solves the angle measurement problem of the five-hole-bulb probe, the five-hole-bulb probe can move and rotate in a three-dimensional space, accurate marking can be achieved, and real measurement requirements of the five-hole-bulb probe are met.
Description
technical field [0001] The invention belongs to the technical field of engineering measurement, in particular to a five-hole ball head probe bracket. Background technique [0002] Five-hole ball tip probes, such as figure 1 As shown, not only the velocity scalar value of the flow field can be measured, but also the flow velocity direction can be measured, which is a common method for measuring the scalar and vector characteristics of the complex three-dimensional flow field. Because of its advantages of high precision, simple equipment and low cost, it is widely used. [0003] When the five-hole ball head probe measures the three-dimensional flow velocity field, there are certain requirements for the angle (α, β) between the wind speed direction and the probe. If the angle is too large, it will exceed the measurement range of the probe and distort the measurement results. When measuring the flow velocity at a fixed point in space, it is necessary to adjust the direction of...
Claims
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IPC IPC(8): G01P5/00G01P13/02
Inventor 王桂林周义刚薛泽海边疆王森孙国通
Owner STATE GRID CORP OF CHINA