CN2650302Y

CN2650302Y - Contactless rectification and magnetizing control circuit

Info

Publication number: CN2650302Y
Application number: CN 200320108730
Authority: CN
Inventors: 李剑; 梅德权
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-10-01
Filing date: 2003-10-01
Publication date: 2004-10-20
Anticipated expiration: 2013-10-01

Abstract

The utility model is a non-contact rectification magnetizing control circuit, which comprises an electronic commutation and voltage regulating circuit, a programming time control module and a magnetizing coil, and is characterized in that: four thyristors are arranged between the output end of the commutation and the voltage regulating circuit and the magnetizing coil, the control poles of the four thyristors are respectively connected with four wiring terminals of the programming time control module. The utility model is mainly for solving the problems of prior art such as demagnetizing unstable, magnetizing and demagnetizing inaccurate, electromagnetic interference and magnetizing current non-adjustable, etc. The utility model has the advantages of long service life, no noise, no spark, low electromagnetic interference, and small volume, the main circuit is controlled by SCM electronics, thereby rendering an accurate demagnetizing time and adjustable magnetizing current, etc.

Description

The contactless rectification control circuit that magnetizes

Technical field

The utility model relates to a kind of contactless rectification control circuit that magnetizes, and especially relates to a kind of to filling the isostructural improvement of demagnetization circuit.

Background technology

A kind of capacitive magnetizing apparatus (patent No. 89109721.X), this machine is made up of magnet charger shell and magnet charger circuit, the magnet charger shell is a body structure, there are ammeter, voltmeter, mains switch, voltage to adjust the turn-knob and the knob that resets in the shell mounted on surface, and having louvre at shell, the magnet charger circuit comprises the rectification of boosting, capacitor pulse-discharging circuit, switching circuit and overvoltage holding circuit.It has mainly solved the charge circuit little problem in orientation that magnetizes, and the contact electric spark is big but its existence is magnetized, demagnetized, and burns the contact, technical problems such as demagnetization shakiness.So there is the people to apply for a kind of contactless alternating electromagnetic device silent running device (patent No. 88219414.3), mainly by housing, rectification circuit, phase-shift circuit, delay circuits etc. are partly formed, principal character is to have contactless automatic adhesive one and keeps handoff functionality, it is a kind of contactless, muting energy saver that is used for the alternating electromagnetic element, the technical problems such as the contact electric spark is big that magnetize, demagnetize have been solved to a certain extent, but it is unstable to there is demagnetization, problems such as it is inaccurate to fill demagnetization, and the electromagnetic interference and the electric current that magnetizes are unadjustable.

Summary of the invention

The utility model mainly is to solve existing in prior technology demagnetization shakiness, it is inaccurate to fill demagnetization, problems such as the electromagnetic interference and the electric current that magnetizes are unadjustable, provide a kind of life-span length, noiselessness, no-spark, electromagnetic interference is less, volume is less, main circuit is by the single-chip microcomputer Electronic Control, the demagnetization time is accurate, the adjustable contactless rectification of the electric current that the magnetizes control circuit that magnetizes.

Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: comprise the electronic rectifier regulating circuit, the program time control module and the line bag that magnetizes, it is characterized in that at the output of described regulator rectifier circuit and magnetize being provided with four controllable silicons between the line bag, described four silicon controlleds control utmost point joins with four binding posts of described program time control module respectively, the anode of described controllable silicon KK3 links to each other with an output of regulator rectifier circuit and the binding post of program time control module, and negative electrode links to each other with an end of the line bag that magnetizes; The anode of described controllable silicon KK4 links to each other with the anode of controllable silicon KK3, and negative electrode links to each other with the other end of the line bag that magnetizes; The anode of described controllable silicon KK5 links to each other with an end of the line bag that magnetizes, and negative electrode links to each other with another output port of electronic rectifier circuit; The anode of described controllable silicon KK6 links to each other with the other end of the line bag that magnetizes, and negative electrode links to each other with another output port of electronic rectifier circuit.Can make the line that magnetizes wrap in the circuit stage of magnetizing by four silicon controlled switches of program time control module control is in the state of magnetizing, is in demagnetized state in the circuit demagnetization phase.

As preferably, between described electronic rectifier circuit and program time control module, be provided with the rectifying and pressure-regulating control circuit, it comprises three potentiometers that are connected on described electronic rectifier circuit two binding posts, one lead-out wire is respectively arranged on described potentiometer, described lead-out wire respectively with succeed the electrical equipment control contact and join, the relay control contact other end is connected to a binding post of electronic rectifier circuit.Wherein said lead-in wire can be that the tap from the potentiometer is drawn, and also can be the sliding contact contact from potentiometer.Wherein rectifying and pressure-regulating control circuit may command control electronic rectifier circuit under the comprehensive function of three potentiometers is exported stack magnetize electric current, normally magnetize electric current and demagnetization current respectively in the different stages, the stack differentiation of electric current and the electric current that normally the magnetizes line bag of can avoiding magnetizing that magnetizes works long hours under current conditions greatly, the line bag that prevents to magnetize heating has prolonged useful life of the present utility model; The program time control module is a single-chip microcomputer, can control the time of magnetization, demagnetization and the operation of entire circuit accurately.

As preferably, the described contactless rectification control circuit that magnetizes is characterized in that described potentiometer is an adjustable potentiometer, and its power is 1-5W, and total resistance is 10K Ω, and described lead-out wire picks out for the sliding contact from potentiometer.Wherein adjustable potentiometer can change the position of sliding contact on potentiometer, thereby the stack of adjusting the output of electronic rectifier circuit is magnetized electric current, normally magnetize the size of electric current and demagnetization current to satisfy in the use needs to the different amounts of magnetizing of line bag that magnetize.

As preferably, described program time control module is provided with relay and power transformer of three control relays control contacts, and the binding post SC15 of program time control module, SC16 meet the output SC12 of electronic rectifier circuit, SC13 respectively.Wherein three relays are controlled unlatching and the closure that is located at three relay control contacts on the potentiometer lead-out wire respectively; Power transformer is as the power supply of program time control module, and its primary coil two ends are connected with general supply of the present utility model, and the two ends of its secondary coil are connected with the power input terminal of program time control module.

Therefore, life-span length, noiselessness, no-spark, no electromagnetic interference, volume are little, and main circuit is by the single-chip microcomputer Electronic Control, and the demagnetization time is accurate, and characteristics such as electric current scalable magnetize.Wherein rectifying and pressure-regulating control circuit may command control electronic rectifier circuit under the comprehensive function of three potentiometers is exported stack magnetize electric current, normally magnetize electric current and demagnetization current respectively in the different stages, the stack differentiation of electric current and the electric current that normally the magnetizes line bag of can avoiding magnetizing that magnetizes works long hours under current conditions greatly, the line bag that prevents to magnetize heating has prolonged useful life of the present utility model; The program time control module is a single-chip microcomputer, can control the time of magnetization, demagnetization and the operation of entire circuit accurately.Can make the line that magnetizes wrap in the circuit stage of magnetizing by four silicon controlled switches of program time control module control is in the state of magnetizing, is in demagnetized state in the circuit demagnetization phase.Wherein adjustable potentiometer can change the position of sliding contact on potentiometer, thereby the stack of adjusting the output of electronic rectifier circuit is magnetized electric current, normally magnetize the size of electric current and demagnetization current to satisfy in the use needs to the different amounts of magnetizing of line bag that magnetize.

Description of drawings

Accompanying drawing 1 is a kind of electrical block diagram of the present utility model.

Embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment: as shown in Figure 1, comprise electronic rectifier regulating circuit 1, the program time control module MC2 and the line bag L0 that magnetizes, between electronic rectifier circuit 1 and program time control module MC2, be provided with rectifying and pressure-regulating control circuit 2, it comprises that three are connected to 1 liang of binding post SC9 of electronic rectifier circuit, adjustable potentiometer W2 on the SC10, W3, W4, its power is 3W, total resistance is 10K Ω, potentiometer W2, W3, respectively be connected to a lead-out wire on the last sliding contact of W4, described lead-out wire is controlled contact KJ2 with relay respectively, KJ3, KJ4 joins, relay control contact KJ2, KJ3, the KJ4 other end is connected to a binding post SC11 of electronic rectifier circuit 1.At the output of regulator rectifier circuit 1 with magnetize and be provided with four controllable silicon KK3, KK4, KK5, KK6 between the line bag L0, wherein the anode of controllable silicon KK3 links to each other with an output SC12 of regulator rectifier circuit 1 and the binding post SC15 of program time control module MC2, negative electrode links to each other with the end SL1 of the line bag L0 that magnetizes, and the control utmost point links to each other with the binding post SC8 of program time control module MC2; Wherein the anode of controllable silicon KK4 links to each other with the anode of controllable silicon KK3, and negative electrode links to each other with the other end SL2 of the line bag L0 that magnetizes, and the control utmost point links to each other with the binding post SC5 of program time control module MC2; Wherein the anode of controllable silicon KK5 links to each other with the end SL1 of the line bag L0 that magnetizes, and negative electrode links to each other with another output port SC13 of electronic rectifier circuit 1, and the control utmost point links to each other with the binding post SC7 of program time control module MC2; Wherein the anode of controllable silicon KK6 links to each other with the other end SL2 of the line bag L0 that magnetizes, and negative electrode links to each other with another output port SC13 of electronic rectifier circuit 1, and the control utmost point links to each other with the binding post SC6 of program time control module MC2.Wherein program time control module MC2 is provided with relay K M2, KM3, KM4 and the transformer B1 of three control relay controls contact KJ2, KJ3, KJ4, and binding post SC15, the SC16 of program time control module MC2 meet output SC12, the SC13 of electronic rectifier circuit respectively.Its repeat circuit control contact KJ5 is controlled by relay K M5, controllable silicon KK3 wherein, KK4, KK5, KK6 is the moment actuating switch, electronic rectifier regulating circuit 1 is by the potentiometer W2 of three parallel connections, W3, W4 carries out rectifying and pressure-regulating control, as relay control contact KJ2, KJ3 conducting simultaneously, be relay K M2, during KM3 adhesive simultaneously, electronic rectifier regulating circuit 1 output be running current 1.5-2 doubly, at this moment the line bag L0 that magnetizes produces high-intensity magnetic field, by disconnecting behind the preface time control module MC2 control KM2 adhesive certain hour, the KM3 adhesive, electronic rectifier regulating circuit 1 changes running current over to, do not cause the line bag to be operated under the big current conditions always, avoid the heating of line bag, when product reaches pressure, compacting is finished S1 and is disconnected, the S2 closure, program time control module MC2 changes the demagnetization program automatically over to, relay K M2, KM3 disconnects, relay K M4 adhesive, electronic rectifier regulating circuit 1 output output demagnetization current, controllable silicon KK3, KK6 disconnects, controllable silicon KK4, the KK5 conducting, the line bag L0 that magnetizes demagnetization, the preface time control module MC2 control demagnetization time is finished demagnetization, and program time control module MC2 detects signal next time.

Claims

1. contactless rectification control circuit that magnetizes, comprise the electronic rectifier regulating circuit, the program time control module and the line bag that magnetizes, it is characterized in that at the output of described regulator rectifier circuit (1) and magnetize being provided with four controllable silicon (KK3 between the line bag (L0), KK4, KK5, KK6), described four controllable silicon (KK3, KK4, KK5, control utmost point KK6) respectively with four binding posts (SC8, SC5 of described program time control module (MC2), SC7, SC6) join, the anode of described controllable silicon (KK3) links to each other with an output (SC12) of regulator rectifier circuit (1) and the binding post (SC15) of program time control module (MC2), and negative electrode links to each other with an end (SL1) of the line bag (L0) that magnetizes; The anode of described controllable silicon (KK4) links to each other with the anode of controllable silicon (KK3), and negative electrode links to each other with the other end (SL2) of line bag (L0) that magnetize; The anode of described controllable silicon (KK5) links to each other with an end (SL1) of the line bag (L0) that magnetizes, and negative electrode links to each other with another output port (SC13) of electronic rectifier circuit (1); The anode of described controllable silicon (KK6) links to each other with the other end (SL2) of line bag (L0) that magnetize, and negative electrode links to each other with another output port (SC13) of electronic rectifier circuit (1).

2. the contactless rectification according to claim 1 control circuit that magnetizes, it is characterized in that between described electronic rectifier circuit (1) and program time control module (MC2), being provided with rectifying and pressure-regulating control circuit (2), it comprises that three are connected to described electronic rectifier circuit (1) two binding post (SC9, SC10) potentiometer (W2 on, W3, W4), (W2, W3 respectively have a lead-out wire on W4) at described potentiometer, described lead-out wire is controlled contact (KJ2 with relay respectively, KJ3 KJ4) joins, relay control contact (KJ2, KJ3, KJ4) other end is connected to a binding post (SC11) of electronic rectifier circuit (1).

3. the contactless rectification according to claim 1 and 2 control circuit that magnetizes is characterized in that described potentiometer (W2, W3, W4) be adjustable potentiometer, its power is 1-5W, and total resistance is 10K Ω, described lead-out wire is that (sliding contact W4) picks out for W2, W3 from potentiometer.

4. the contactless rectification according to claim 1 and 2 control circuit that magnetizes, it is characterized in that described program time control module (MC2) is provided with three control relay control contact (KJ2, KJ3, KJ4) relay (KM2, KM3, KM4) and transformer (B1), the binding post (SC15 of program time control module (MC2), SC16) connect respectively the electronic rectifier circuit output (SC12, SC13).

5. the contactless rectification according to claim 3 control circuit that magnetizes, it is characterized in that described program time control module (MC2) is provided with three control relay control contact (KJ2, KJ3, KJ4) relay (KM2, KM3, KM4) with a power transformer (B1), the binding post (SC15 of program time control module (MC2), SC16) connect respectively the electronic rectifier circuit output (SC12, SC13).