CN206878738U

CN206878738U - A kind of motor controller

Info

Publication number: CN206878738U
Application number: CN201720406215.2U
Authority: CN
Inventors: 朱福栋; 由国艳; 任艳茹; 郝巧梅
Original assignee: Ordos vocational college
Current assignee: Ordos vocational college
Priority date: 2017-04-18
Filing date: 2017-04-18
Publication date: 2018-01-12
Anticipated expiration: 2027-04-18

Abstract

The utility model discloses a kind of motor controller, by first resistor, second resistance, first electric capacity to the 3rd electric capacity, first triode, second triode, transformer, rectifier, three terminal regulator, potentiometer, light emitting diode, optical coupler and bidirectional triode thyristor composition, the utility model is using a small number of electronic component compositions, cost is cheap, controlled in particular by optical coupler indirect, non-substantivity controls, closed control inside optical coupler, it is anti-interference so as to serve, control sensitive, system without deaerator, improve service life, it is easy to use, value with popularization and application.

Description

A kind of motor controller

Technical field

It the utility model is related to a kind of electronic controller, more particularly to a kind of motor controller.

Background technology

Motor is a kind of equipment for converting electrical current into mechanical energy.It is to use the power on coil (namely stator winding) Produce rotating excitation field and act on rotor (such as squirrel-cage closure aluminium frame) and form electro-magnetic motor force rotation torque.Motor is pressed using electricity Source difference is divided into dc motor and ac motor, and the motor in power system is largely alternating current generator, can be same Step motor either asynchronous machine (motor stator rotational speed of magnetic field does not keep synchronous speed with rotor rotary rpm).Motor mainly by Stator forms with rotor, and the direction of electrified wire movement under force in magnetic field is with the sense of current and magnetic induction line (magnetic direction) direction It is relevant.Electric motor operation principle is effect of the magnetic field to electric current stress, makes motor rotation.

In the prior art, various for the control circuit species of motor, function respectively has quality, in line with excelsior essence God is, it is necessary to constantly improve and innovate.

Utility model content

The purpose of this utility model is that to solve the above problems and provides a kind of motor controller.

The utility model is achieved through the following technical solutions above-mentioned purpose：

The utility model is by first resistor, second resistance, the first electric capacity to the 3rd electric capacity, the first triode, the two or three pole Pipe, transformer, rectifier, three terminal regulator, potentiometer, light emitting diode, optical coupler and bidirectional triode thyristor composition, first resistor For 100 Ω, second resistance be 400 Ω, the first electric capacity is 300uf, the second electric capacity is 470uf, the 3rd electric capacity is 100uf, first Triode and the second triode be NPN type triode, the transformer be 12V transformers, the rectifier be model Bridge rectifier, the three terminal regulator model 7805, the potentiometer of IN4001 four diodes composition are 10k Ω, light emitting diode 1W, the optical coupler model 4N25, the bidirectional triode thyristor model MCR100-6/0.8A/ 400V。

Further, one end of AC power connects with the transformer input side first end and the first end of motor simultaneously Connecing, the other end of AC power is connected with the first end at the end of transformer input side second and the bidirectional triode thyristor simultaneously, The both ends of the transformer outlet side are connected with the input of the rectifier, the cathode output end of the rectifier simultaneously with institute The input for stating three terminal regulator connects with the first end of first electric capacity, the cathode output end of the rectifier simultaneously with institute State the second end of the first electric capacity, the negative pole of the three terminal regulator, the first end of second electric capacity, the of the 3rd electric capacity One end connects with the emitter stage of second triode, the output end of the three terminal regulator simultaneously with second electric capacity the Two ends, the first end of the potentiometer, the sliding end of the potentiometer, the colelctor electrode of first triode and second electricity The first end connection of resistance, the second end of the potentiometer is connected with the first end of the first resistor, and the of the first resistor Two ends are connected with the base stage of first triode and the second end of the 3rd electric capacity simultaneously, the transmitting of first triode Pole is connected with the base stage of second triode, and the second end of the second resistance is connected with the positive pole of the light emitting diode, The negative pole of the light emitting diode is connected with the positive pole of light emitting diode in the optical coupler, light emitting diode in the optical coupler Negative pole be connected with the colelctor electrode of second triode, the emitter stage of photosensitive tube and the bidirectional triode thyristor in the optical coupler Control terminal connection, the second end of the bidirectional triode thyristor simultaneously with the colelctor electrode of photosensitive tube in the optical coupler and motor Second end connects.

The beneficial effects of the utility model are：

The utility model is a kind of motor controller, and the utility model is using a small number of electronic component compositions, cost It is cheap, controlled in particular by optical coupler indirect, non-substantivity control, closed control inside optical coupler is anti-so as to serve Disturb, control sensitive, system without deaerator, improve service life, it is easy to use, there is the value of popularization and application.

Brief description of the drawings

Fig. 1 is circuit structure schematic diagram of the present utility model.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings：

As shown in Figure 1：The utility model is by first resistor R1, second resistance R2, the first electric capacity C1 to the 3rd electric capacity C3, One triode VT1, the second triode VT2, transformer T, rectifier DR, three terminal regulator IC, potentiometer RP, light emitting diode LED, optical coupler RG and bidirectional triode thyristor SCR compositions, first resistor R1 is 100 Ω, second resistance R2 is 400 Ω, the first electric capacity C1 is 300uf, the second electric capacity C2 is 470uf, the 3rd electric capacity C3 is 100uf, the first triode VT1 and the second triode VT2 are equal Four diode groups that for NPN type triode, the transformer T be 12V transformers, the rectifier DR is model IN4001 Into bridge rectifier, the three terminal regulator IC models 7805, the potentiometer RP be 10k Ω, LED For 1W, the optical coupler RG models 4N25, the bidirectional triode thyristor SCR models MCR100-6/0.8A/400V.

Further, AC power AC one end connects with transformer T input sides first end and motor FZ first end simultaneously Connect, the AC power AC other end is connected with the first end at the second end of transformer T input sides and bidirectional triode thyristor SCR simultaneously, is become The both ends of depressor T outlet sides are connected with rectifier DR input, rectifier DR cathode output end while and three terminal regulator IC input and the first electric capacity C1 first end connect, rectifier DR cathode output end while second with the first electric capacity C1 End, three terminal regulator IC negative pole, the second electric capacity C2 first end, the 3rd electric capacity C3 first end and the second triode VT2 Emitter stage connects, three terminal regulator IC output end the second end with the second electric capacity C2, potentiometer RP first end, electricity simultaneously Position device RP sliding end, the first triode VT1 colelctor electrode connects with second resistance R2 first end, potentiometer RP the second end It is connected with first resistor R1 first end, first resistor R1 the second end is simultaneously electric with the first triode VT1 base stage and the 3rd Hold C3 the second end connection, the first triode VT1 emitter stage is connected with the second triode VT2 base stage, second resistance R2's The positive pole of second end and LED connects, the negative pole of LED with light emitting diode in optical coupler RG just Pole is connected, and the negative pole of light emitting diode is connected with the second triode VT2 colelctor electrode in optical coupler RG, photosensitive tube in optical coupler RG Emitter stage be connected with bidirectional triode thyristor SCR control terminal, bidirectional triode thyristor SCR the second end simultaneously with light in optical coupler RG The colelctor electrode of quick pipe connects with motor FZ the second end.

Operation principle of the present utility model is as follows：

Bidirectional triode thyristor SCR has cut off motor M power supply, and bidirectional triode thyristor SCR control terminal is exported by optical coupler RG Signal is controlled, the rectified device DR rectifications of transformer T output ends, the first electric capacity C1 filtering, three terminal regulator IC voltage stabilizings, Two electric capacity C2 export 12V power voltage supplies, the first triode VT1 and the second triode VT2 composition direct coupled type amplifications after filtering again Device, improve reliability.Potentiometer RP output currents charge to the 3rd electric capacity C3, when charge saturation after electric discharge lead triode It is logical, the luminous tube and LED in optical coupler RG are lighted, photosensitive tube turns in optical coupler RG, makes bidirectional triode thyristor SCR is turned on, and connects motor M power supplys, and regulation potentiometer RP adjusts the charging rate to the 3rd electric capacity C3, so as to change delay control The time of system.

The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims

A kind of 1. motor controller, it is characterised in that：By first resistor, second resistance, the first electric capacity to the 3rd electric capacity, first Triode, the second triode, transformer, rectifier, three terminal regulator, potentiometer, light emitting diode, optical coupler and two-way controllable Silicon forms, and first resistor is 100 Ω, second resistance is 400 Ω, the first electric capacity is 300uf, the second electric capacity is 470uf, the 3rd electricity Hold for 100uf, the first triode and the second triode be NPN type triode, the transformer be 12V transformers, it is described whole Flow bridge rectifier, the three terminal regulator model 7805, the electricity that four diodes that device is model IN4001 form Position device is 10k Ω, light emitting diode 1W, the optical coupler model 4N25, the bidirectional triode thyristor model MCR100-6/ 0.8A/400V；

One end of AC power is connected with the first end of the transformer input side first end and motor simultaneously, AC power The other end is connected with the first end at the end of transformer input side second and the bidirectional triode thyristor simultaneously, the transformer output The both ends of side are connected with the input of the rectifier, the cathode output end of the rectifier simultaneously with the three terminal regulator Input connects with the first end of first electric capacity, the cathode output end of the rectifier simultaneously with first electric capacity the Two ends, the negative pole of the three terminal regulator, the first end of second electric capacity, the first end and described second of the 3rd electric capacity The emitter stage connection of triode, the output end of the three terminal regulator while the second end with second electric capacity, the current potential The first end of device, the sliding end of the potentiometer, the first end of the colelctor electrode of first triode and the second resistance connect Connect, the second end of the potentiometer is connected with the first end of the first resistor, the second end of the first resistor simultaneously with institute The base stage for stating the first triode connects with the second end of the 3rd electric capacity, the emitter stage of first triode and described second The base stage connection of triode, the second end of the second resistance are connected with the positive pole of the light emitting diode, the light-emitting diodes The negative pole of pipe is connected with the positive pole of light emitting diode in the optical coupler, in the optical coupler negative pole of light emitting diode with it is described The colelctor electrode of second triode connects, and the control terminal of the emitter stage of photosensitive tube and the bidirectional triode thyristor connects in the optical coupler Connect, the second end of the bidirectional triode thyristor connects with the colelctor electrode of photosensitive tube in the optical coupler and the second end of motor simultaneously Connect.