CS227633B1 - Monolytic fluidized planar side shift sensor - Google Patents

Abstract

The invention belongs to the field of automation, measuring technology and robotics and solves the task of sensing lateral displacement for adaptive control circuits of position servo systems. Its essence lies in the fact that it is created by a pair of fluidic planar flexible distance sensors, arranged in space so that their planes of horizontal and transverse symmetry are offset from each other, which makes it possible to significantly increase the resolution y0 for sensing lateral displacement, as well as to significantly simplify its production, since the pair of sensors forms one monolithic functional block. The invention is shown in the attached drawing in Fig. 5·

Description

The invention relates to a monolytic fluid planar lateral displacement transducer for adaptive control circuits of positional servo systems.

It is known to use planar fluid proximity sensors for measuring the relative lateral displacement of the sensor and in the shaped reflective surface, based on the principle of evaluating the overlap area of the sensor orifice reflective plane, suitable for two-valued position control as well as dispersive displacement arrangements. three-position control.

The basic disadvantage of this arrangement is the considerable constructional complexity of the sensor mounting, the complicated adjustment of the initial position of the sensor pair as well as the limited resolution, proportional to the spacing of the supply channels of the planar proximity sensor or the distance of symmetry planes.

These drawbacks are overcome by a monolytic fluid planar lateral displacement transducer forming a single monolytic functional block according to the invention, which consists of a pair of fluid planar reflectance distance sensors asymmetrically positioned in space with mutually displaced planes of their lateral and lateral symmetry.

The advantages of the monolytic fluid planar sensor according to the invention are in the simple constructional difficulty of mounting the sensors and in the ease of adjusting the initial position of the sensor itself.

In the accompanying drawing, FIG. 1 axonometric view of

227 633 basic geometrical arrangement of the working space of the fluid planar proximity sensor, Fig. 2 shows its positioning in the space when measuring distance and lateral displacement, Fig. 3 shows the transmission characteristics of the sensor when changing the axial distance between the sensor orifice and the reflection plane FIG. 4 shows the transverse displacement characteristic of the transducer in the lateral displacement area of the shaped reflecting surface, characterized by the edge AB; FIG. 3 shows the geometrical arrangement of the monolytic fluid planar transverse transducer according to the invention; £ transmission characteristics of its two parts ·

The planar reflective distance sensor 10 - Fig. 1 consists of a pair of supply channels 12, 13 with a spacing R and a receiving-output channel 11. The plane of the longitudinal symmetry of the sensor is guided through the axis of the output channel 11. sensor symmetry. The transmission characteristic of the fluid planar reflective distance sensor 10 at lateral displacement - FIG. 4 is generally characterized by a section of continuous change in outlet pressure P

Z between the two limit values ^p z 1 ^{and P} z 2 * which, in the most unfavorable case, has a width R, that is, to fully change the output pressure of the sensor, complete overlap or expose the orifice of both supply channels. The monolytic fluid planar lateral displacement transducer arrangement of FIG. 5 is characterized by displacement of the transverse symmetry planes of the transducers by S> 0 and transverse symmetry planes by the value of _{Q Q} + H / y _by # 0 / Z. 6 shows that by processing the output signals of the fluid planar reflection sensors of distance 10 by means of fluid or electronic comparators and their subsequent logical evaluation, it can be used for three-position position control with a maximum non-sensitivities.

Claims (1)

OBJECT OF THE INVENTION 227 633 A monolytic fluid planar lateral displacement transducer forming a single monolytic functional block characterized in that it consists of a pair of fluid planar reflective distance sensors (10) asymmetrically positioned in a space with mutually displaced planes of their longitudinal and transverse symmetry.