SU758008A1 - Resonance frequency meter - Google Patents

Description

The invention relates to microwave technology.

Known resonant frequency meter, comprising a housing on which a three-dimensional resonator is installed, the piston of which is pivotally connected to the first shoulder of the two upper arms and the scale of reference [1].

However, the known frequency meter does not provide high accuracy.

The purpose of the invention is to improve accuracy.

To do this, a resonant frequency meter, comprising a housing on which a three-dimensional resonator is installed, the piston of which is pivotally connected to the first shoulder of the two shoulders' lever and the reference scale, is inserted into a micrometer screw with a nut made with guide grooves in which the frame and the correction ruler are installed, at the same time, the frame with one 'side perpendicular to the guide grooves is pivotally connected with the second shoulder of the double-arm lever, and the other opposite side is pressed to the corrective ruler reinforced

2

on the body with the possibility of changing the curvature along its length and parallel to the axis of the micrometric screw, on which the reference scale is fixed.

The invention is illustrated by drawings.

FIG. 1 shows the design of the resonant frequency meter; in fig. 2 section A — A in FIG. one.

The resonant frequency meter includes a housing 1, on which a cavity resonator 2 is installed, the piston 3 of which is pivotally connected to the first arm of the two shoulders lever 4, the reference scale 5, the micrometer screw 6 with a nut 7 made with guide grooves in which the frame 8 and a correction line 9 are installed , while the frame 8 with one side perpendicular to the guide grooves is pivotally connected with the second shoulder of the double-arm lever 4 and the other opposite side pressed to the correction ruler 9, mounted on the housing 1 with the possibility of changing rivizny along its length and parallel to the axis,

3

758008

4 micrometer screw 6, which is fixed scale 5 reference.

Resonant frequency works as follows.

When adjusting the cavity resonator <2, the piston 3 receives translational movement from the two-arm lever 4, which is connected with the first shoulder to the piston 3, and the second shoulder to the frame 8.

Nut 7 and frame 8 mounted on it

receives translational movement from the micrometric screw 6.

Since the frame 8 has the ability to move in a plane perpendicular to the plane of movement of the nut 1 and 7, and at one end is preloaded by the spring 10 to the correction ruler 9, when the nut 7 is moved, the point of engagement of the frame 8 with the two shoulders lever 4 changes its position in accordance with 2 with the shape of the corrective ruler 9, which leads to a change in the gear ratio - micrometric screw 6 - piston 3. Since the 5 scale of reference is rigidly connected with the micrometric 2 screw 6, then changing the form of the corrective ruler 9 these resonant frequency meters, the resonance frequency meter (piston position 3) coincides with the 3 reading scale, the most systematic errors of the resonance frequency meter are eliminated. In the range

2 3

1

frequency 5 3.5 - 78.5 Hz frequency measurement accuracy is (1-2) -10 ^-

Claims (1)

Claim A resonant frequency meter comprising a housing on which a cavity resonator is mounted, the piston of which is articulated About it is connected with the first shoulder of the two shoulders lever, and the scale of reference, which differs in hem, that, in order to increase the accuracy, a micrometer screw with a nut made from the direction of 5 stitching grooves, in which the frame and the correction ruler are installed, with the frame one side, perpendicular to the guide grooves, pivotally connected with the second shoulder of the two shoulders About the lever and the other opposite side is pressed to the corrective ruler mounted on the body with the possibility of changing the curvature along its length and parallel to the axis of the micrometric screw on which the reference scale is fixed.