SU590625A2 - Double-channel measuring device to balancing machine - Google Patents

Description

one

The invention relates to the field of balaasis technology and can be used in high-precision balancing machines.

But auth. St. No. 532777, a two-channel measuring device for a balancing machine is known, which contains a photosensor of a reference signal, a reference voltage driver connected to it and an imbalance sensor in each channel, kO | Mplecony electrodynamic vector meter with two fixed and one moving windings and a two-coordinate transducer. A vector of a constant source, ka, is connected to the successively connected between the moving windings vector of meters.

D | device integrated converter device is made in the form of a wideband amplifier (C (with an input connected to an imbalance sensor and two electronic switches with outputs connected to stationary windings of the vector meter) and with inputs connected to the outputs of the amplifier and driver.

This device is the closest to the description of the technical essence and the achieved effect.

However, in this device, the dependence of unbalance parameter measurements on the rotor speed and the eO of its application on the ipoTop space for children, which requires a complete stop of the rotor, reduces the measurement accuracy and performance of the balancing process.

The goal of | | retention is to improve measurement accuracy and performance of the balancing process.

For this, the proposed device is equipped with a two-phase generator of fixed frequency, each phase of which is connected to the same windings of a complex electrodynamic vector meter for each channel, with two resonant circuits, one for each channel

between the motive winding of the vector meter and the input of the corresponding two-coordinate transducer, l two actuators, each of which is connected to the output of the two-coordinate transducer.

The drawing shows the proposed two-channel device to the balancing machine. It contains a photo sensor 1 of the reference signal, a driver connected to it

2 supporting voltage, two measuring channels, each of which contains a sensor

3 and 4 unbalances, a complex electrodynamic vector meter 5 and 6 with two unsuitable windings 7, 8 and 9, 10 and one

movable winding 11, 12, Istochiyk 13, 14 direct current, connected to the corresponding moving Faint m 11, 12, broadband amplifier 15, 16 with input voltage connected to sensor 3 and 4 unbalance, two electronic switches 17, 18 and 19 , 20 with outputs connected to fixed windings. In the first channel, the output of the key 17 is connected to the winding 7, the output of the il8 key is connected to the winding 8. In the Second channel, the output of the key 19 to the winding 9, the output of the key 20 to the winding 10. The windings 7 and 9 are interconnected via a chain of capacitors 21 , 22 razvki, and about 8 and 10 - through a chain of capacitors 23 and 24 razkki. The inputs of electronic switches 17-20 are connected to the outputs of the corresponding amplifier 15, 16 and to the outputs of the driver 2 of the same voltage. The device also contains a two-phase generator 25 of fixed frequency, the first phase of which is connected to windings 7 and 9, and the second phase - to windings 8 and 10. At the output of vector meters 5 and .6, two-coordinate converters 26 and 27 are installed, and converters 26 and 27 both the channels are connected to each other, and the common connection point is connected to: Generator 25. Resonant circuits 28 and 29 are installed between the Lod.plus windings 11 and 12 and converter 26 and 27. One of the outputs of converter 26 and 27 is connected to the reference voltage driver 2 friend d - with actuators 30 and 31, most significantly unbalance with the surface of the product 32.

The device works as follows.

The voltages at the output of the unbalance sensors 3 and 4 are amplified by wideband amplifiers 15 and 16 n, respectively, to the signal inputs of the corresponding electronic switches 17, 18 and 19, 20. Simultaneously from the output of shaper 2, two phase-wise 90 onon voltages are applied to the control The corresponding inputs of the corresponding electronic keys 17, 18 and 19, 20. The voltages from the output of the electronic keys 17, 18 and 19, 20 are respectively supplied to the fixed windings 7, 8 and 9, 10 of the vector meters 5 and 6. Under the action of these voltages in the windings difficult currents flow s, and are only useful in the permanent components of these currents. Since the degree of damping of the movable windings of And and 12 vector meters 5 and 6 is greater than one, their own frequency does not exceed 1 Hz and only direct current flows in them, the mobile system deviates simultaneously in mutually perpendicular directions to angles proportional only to these components of the currents in the fixed windings 7, 8 and Q, 10. Moreover, the deviation of the moving windings I and 12 occurs in a rotating magnetic field with induction generated by the fixed windings 7, 8 and 9, 10 connected to the two-phase generator 25.

When the movable windings 11 and 12 are deflected in a magnetic field, an electromotive force is induced, the active component of which is highlighted by resonant circuits 28 and 29 and is fed to two-coordinate converters 26 and 27, which control the operation of actuators 30 and 31 acting on the surface of the product 32.

By connecting movable windings 11 and 12 through resonant circuits 28 and 29 with two-coordinate transducers 26 and 27 and a two-phase fixed frequency generator 25 with 1 and windings 7, 8 and 9, 10, the device creates the ability to balance the product regardless of the speed of rotation of the product from simultaneous control of residual imbalance

and the scales of komplektny vector meters 5 and 6, which improves the measurement accuracy and the performance of the balance process. Increased productivity is also achieved due to the presence of executive devices in the device.

mechanisms 30 and 31, whose operation is controlled by two-coordinate transducers 26 and 27.

Claims (1)

Invention Formula Measuring two-channel device to the balancing machine according to author. St. No. 532777, distinguished by TeiM, which, in order to improve measurement accuracy and performance of the balancing process, equipped with a two-phase fixed frequency generator, each phase of which is connected to the same windings of the complex electrodynamic vector meter of each channel, two resonant circuits connected one to each channel between the moving winding of the vector meter and the input of the corresponding two-coordinate converter, and two actuators, each of which is connected to the output M converter. . 22 25 L 12J : L hch /four PT -w-t 4g Yu 27 -1 S / n I b .29 U