CN2532090Y - Electronic Positioning brake controller for weaving machine - Google Patents

Abstract

Disclosed is an electronic fix brake controller of a loom. Current signals acquired by a mutual inductor L1 during the running of the loom are converted by a light electric coupler IC1 into signals which can promote the continuity of a signal detection executive circuit T1 and the attracting of a J1 after the rectification and filtering by a filtering rectification circuit, and then driving voltage regulation judging time delay circuits IC2, IC3 are opened for making a normally running hold circuit T2 and an LED enter the brake waiting state; because the loom can not detect the current signals because of the mutual inductor, the lower voltage level of the IC, 1 and 4 pin releases the J1 and switches the T3 into conduction, then the braking signal extraction control circuits IC4, IC5 are electrified, oscillation signals produced by the IC4 are set with a set point by the IC5 to which the follower promotes the signals to switch the T4 into conduction, so as to supply power to the braking time control circuit IC6, and the signals output by the IC6 promote the continuity of the T5, and relays J2, J3 are attracted with each other for promoting the high voltage rectification module to implement dynamic braking to a motor. The utility model has advantages of convenient adjustment and accurate braking and locating, and effectively overcomes the defects of horizontal stopping and weaving flaws due to the braking inertia movement, thus improving the product quality.

Description

Loom electronics position brake controller

Affiliated technical field

The utility model belongs to electronic technology field, and what relate generally to is a kind of loom electronics position brake controller.

Background technology

At present, the loom that uses in the domestic textile industry has quite a few still for traditional the rib loom to be arranged.Because this loom mode of braking is mechanical braking, thereby loom is when fault stops looking into, the machinery in the braking procedure cooperate and braking after the inertia slippage be difficult to make loom to prepare the location, very easily cause the crosspiece float of product, the quality of product is affected.In addition, caused by loom stop position uncertain also can increase a grade car working strength of workers.

Technology contents

The purpose of this utility model promptly produces thus, propose a kind of loom electronics position brake controller, this controller is not only easy to adjust, cost is low, and the location is accurate after can making caused by loom stop, efficiently solve the inertia slippage behind the caused by loom stop and cause crosspiece float, improved the quality of product.

For achieving the above object, the utility model is achieved through the following technical solutions: it is mainly by mutual inductor (L1), current rectifying and wave filtering circuit (D1,-D4, C1), photoelectrical coupler (IG1), starting signal detects executive circuit (T1, J1), delay circuit (IC2 is differentiated in the driving voltage stabilizing, IC3), normal operation holding circuit (T2, LED2), brake signal extracts control circuit (IC4, ICs), brake time control circuit (IC6) and executive circuit (T5, J2, J3) and high-voltage rectifying module (GZ) form, current signal during the loom operation of being obtained by mutual inductor is by behind the current rectifying and wave filtering circuit rectifying and wave-filtering, promote the T1 conducting that starting signal detects executive circuit through the photoelectrical coupler conversion, relay J 1 adhesive, then open the driving voltage stabilizing and differentiate delay circuit IC2, IC3 makes and normally moves holding circuit T2, LED2 enters the brake wait state; During the loom brake, because of detecting, mutual inductor L1 holds in the month less than the electric current letter, the low level of photoelectrical coupler IC1,1,4 pin makes relay J 1 discharge, the T3 conducting, brake signal extracts control circuit IC4, IC5 and gets, set counting by the oscillator signal that IC4 produces by IC5, the driving signal of IC5 output promotes the T4 conducting and gives brake time control circuit IC6 power supply when setting value, signal by IC6 output promotes executive circuit T5 conducting, relay J 2, J3 adhesive in pairs promotes high-voltage rectifying module (GZ) then motor is implemented dynamic braking.

The utility model is skillfully constructed, use easy to adjust reliable, cost is low, because its detection signal that enters controller is through shaping, isolation, judgement, time-delay, maintenance, computing again, adjustment, regularly, finally promote the purpose that executive circuit is finished position brake, thereby efficiently solve the mould shelves float that existing loom causes because of the inertia slippage after parking, improve the quality of product greatly, avoided unnecessary loss.Its accurate back heart stops and can satisfy grade turner successful needs of once driving, thereby has alleviated a shelves car working strength of workers.The silicon rectifier cell that adopts carries out dynamic braking, and is not only fast convenient, but also can increase the service life.This controller adopts integrated circuit to carry out three grades of time sets, can guarantee that the location of loom is accurate, and angle controller adopts the high-accuracy adjuster of single-point to carry out angle adjustment, can satisfy the parking requirement.

Description of drawings

The utility model accompanying drawing is circuit theory diagrams

Specific embodiments

In conjunction with the accompanying drawings, it is as follows to provide embodiment of the present utility model:

As shown in the figure: present embodiment mainly by mutual inductor L1, current rectifying and wave filtering circuit D1 ,-D4, C1, photoelectrical coupler IG, starting signal detect that executive circuit T1, J1, driving voltage stabilizing are differentiated delay circuit IC2, IC3, normally moved holding circuit T2, LED, brake signal extracts control circuit IC4, ICs, brake time control circuit IC6 and executive circuit T5, J2, J3 and high-voltage rectifying module GZ and forms.Its operation principle is: the starting signal after the loom running by mutual inductor L1 pick up through current rectifying and wave filtering circuit D1 ,-D4, C1 rectifying and wave-filtering after, make photoelectrical coupler IC1 conversion, the signal of output promotes the triode T1 conducting that starting signal detects executive circuit through R2, D9, the normally opened contact J1-1 that makes relay J 1 adhesive, power supply pass through relay J 1 differentiates delay circuit IC2, IC3 power supply for the driving voltage stabilizing.Because of the needs that circuit is formed, IC2 (555) will produce vibration, and the pulse signal one tunnel that vibration produces removes to trigger the clock end of the counting circuit of being made up of IC3 (4017), C4, R6 through the output of 6 pin; Another route 3 pin output makes LED1 glittering to indicate loom to enter running status through R13.When IC3 counts up to setting value when (about 2.5-3 second); the equipment that promptly confirms has entered the safe operation state; the triggering signal of 11 pin of IC3 counter output at this moment is through R7; D10 makes the T2 conducting of SCR control holding circuit and makes display circuit LED2 luminous through R8; to show that loom enters the brake wait state; driving voltage stabilizing judging circuit IC2; the phenomenon of avoiding grade car 2 the mistake brake to occur because of the frequent startup-shutdown of habituation when opening loom is also played in the setting of IC3; when loom is shut down for some reason; mutual inductor L1 detects and holds in the month less than the electric current letter; photoelectrical coupler 1; the low level of 4 pin makes relay J 1 discharge; at this moment; power supply is because of the self-sustaining effect of the controllable silicon T2 normally-closed contact J2-1 through relay J 2; resistance R 9; isolate diode D11; the normally-closed contact J1-2 of relay J 1 makes triode T3 conducting, extracts control circuit IC4 to brake signal respectively; the IC5 power supply.Because of the needs that circuit is provided with, IC4 will produce self-oscillation after electric, the frequency of its vibration is subjected to adjustable resistance R11 to adjust control, stops (heart parking promptly) rapidly in angle, the place of needs to satisfy loom.The pulse signal that IC4 vibration produces export by 3 pin, and one the tunnel enters braking state through R12, CED3 with the demonstration loom.Another road enters clock 14 foots of the counting circuit of being made up of ICs (4017), C6, R13 and counts, when reaching setting value, 11 pin output signals by ICs promote triode T4 conducting through R14, at this moment, power supply is given brake time control circuit IC6 power supply through T4, the high level that IC6 gets its 3 pin output of electric back makes the T5 conducting of executive circuit rapidly through R16, and makes relay J 2, J3 adhesive simultaneously.Power supply will carry out the short-circuit protection to triode T4 by the normally opened contact J2-2 of J2 after the J2 adhesive; power supply charges to C7 through R15; when C7 charges to the monostable circuit counter-rotating that has made IC5 enough; the 3 pin output low levels of brake control circuit IC6 are ended T5; relay J 2, J3 discharge attracting state and finish overall process, prepare and enter next time.When relay J 2, J3 adhesive, the effect of J3 makes high stream contactor CJ2 adhesive, high-voltage rectifying module CZ sends into direct current energy in the motor that the electricity went off by CJ2, and braking motor reaches the purpose of adjustable location rapidly, and the used high-voltage rectification element of this enforcement is a silicon rectifier cell.

Claims (4)

1, a kind of loom electronics position brake controller, it is characterized in that: mutual inductor (L1) hollow is around the electrical source of power three-phase wherein on one, its output and current rectifying and wave filtering circuit (D1,-D4) input connects, the output of current rectifying and wave filtering circuit is electrically connected with the input of photoelectrical coupler (IC1) by ripple filtering electric capacity (C1), the output of photoelectrical coupler is through current-limiting resistance (R2), isolating diode (D9) and starting signal detect the (T1 of executive circuit, J1) base stage of triode (T1) connects in, the colelctor electrode of this triode (T1) is connected with relay (J1), delay circuit (IC2 is differentiated in the normally opened contact of relay (J1) and driving voltage stabilizing, IC3) input connects, and the driving voltage stabilizing is differentiated the output of delay circuit by current-limiting resistance (D6, D7), isolating diode (D10) is connected with controllable silicon (T2); The normally closed contact of relay (J1) is connected with triode (T3), emitter stage of this triode (T3) and brake signal extract control circuit (IC4, IC5) input is electrically connected, the output that brake signal extracts control circuit is connected through the base stage of shunt resistance (R14) with triode (T3), the output of the emitter stage of triode (T3) and brake time control circuit (IC6) is through shunt resistance (R16) and executive circuit (T5, J2, J3) base stage of triode (T5) connects in, the colelctor electrode of triode (T5) and relay (J2, J3) connect, relay (J3) is electrically connected with high-voltage rectifying (G2).

2, according to stating the described loom electronics of claim 1 position brake controller, it is characterized in that: its dozen position cambered axle was positioned the back heart when described loom was braked.

3, loom electronics position brake controller according to claim 1 is characterized in that: what described high-voltage rectifying module (GZ) adopted is silicon rectifier cell.

4, loom electronics position brake controller according to claim 1 is characterized in that: be provided with one at oscillator (IC4) and can regulate the adjustable resistance (R11) of frequency of oscillation.