CN206489458U

CN206489458U - A kind of motor automatic controller

Info

Publication number: CN206489458U
Application number: CN201720149632.3U
Authority: CN
Inventors: 苏海青
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-02-20
Filing date: 2017-02-20
Publication date: 2017-09-12
Anticipated expiration: 2027-02-20

Abstract

The utility model discloses a kind of motor automatic controller, by first resistor to the 5th resistance, first electric capacity, second electric capacity, transformer, potentiometer, rectifier, controllable silicon, speed probe and motor unit into, compared with prior art, signal output is by potentiometer control signal intensity after the rotating speed that the utility model passes through speed probe detection motor, signal output is to first resistor, 3rd resistor to controllable silicon control end, to trigger the angle of flow of controllable silicon, so as to connect AC power and the power strength of motor, so as to control the rotating speed of motor, the resistance of regulation potentiometer can adjust the rotating speed of motor, the stabilization of speed of motor can also be made, value with popularization and application.

Description

A kind of motor automatic controller

Technical field

The utility model is related to a kind of motor control assembly, more particularly to a kind of motor automatic 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 it is main by Stator is constituted 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, Motor Control The device of rotating speed is varied, and its quality is each has something to recommend him, in line with excelsior spirit, it is necessary to constantly improve and innovation.

Utility model content

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

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

The utility model is by first resistor to the 5th resistance, the first electric capacity, the second electric capacity, transformer, potentiometer, rectification Device, controllable silicon, speed probe and motor unit are that 80 Ω, second resistance are that 200 Ω, 3rd resistor are 400 into, first resistor Ω, the 4th resistance are that 5k Ω, the 5th resistance are that 1k Ω, the first electric capacity are that 0.1uf, the second electric capacity are that 0.01uf, transformer are 220V transformers, potentiometer be the diode composition that 0-10k Ω, rectifier are four model IN4001 bridge rectifier, can Control silicon model MCR100-6/0.8A/400V, speed probe are that photoelectric tachometric transducer, motor are 150W motor；

The speed probe is connected with the rotating shaft sensing of the motor, and the positive pole of the speed probe passes through the 5th The cathode output end connection of resistance and rectifier, the negative pole of speed probe and the cathode output end of rectifier are connected, and rotating speed is passed The signal output part of sensor is connected with the first end and sliding end of potentiometer simultaneously, and the second end of potentiometer is simultaneously defeated with transformer Go out the tap at end and the first end connection of first resistor, the first ends of transformer inputs one end simultaneously with AC power, electricity The input first end connection of one end of motivation and rectifier, the end of transformer inputs second simultaneously with AC power second The second input connection at end, the positive pole of controllable silicon and rectifier, transformer output end first end and the first end of the first electric capacity Connection, the second end of transformer output end and the first end of second resistance are connected, and the second end of the first electric capacity is simultaneously electric with first Second end of resistance, the first end connection of the second end of second resistance and 3rd resistor, the second end of 3rd resistor simultaneously with it is controllable The first end connection of the control end of silicon, the first end of the second electric capacity and the 4th resistance, the second end of the second electric capacity is simultaneously with the 4th The second end connection at the second end of resistance, the negative pole of controllable silicon and motor.

The beneficial effects of the utility model are：

The utility model is a kind of motor automatic controller, and compared with prior art, the utility model is passed by rotating speed Signal output is by potentiometer control signal intensity, signal output to first resistor, 3rd resistor after the rotating speed of sensor detection motor To the control end of controllable silicon, to trigger the angle of flow of controllable silicon, so that AC power and the power strength of motor are connected, so that The rotating speed of motor is controlled, the resistance of regulation potentiometer can adjust the rotating speed of motor, moreover it is possible to make the rotating speed of motor steady It is fixed, the value with 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 to the 5th resistance R5, the first electric capacity C1, the second electric capacity C2, change Depressor T, potentiometer RP, rectifier DR, controllable silicon SCR, speed probe IC and motor M composition, first resistor R1 be 80 Ω, Second resistance R2 is that 200 Ω, 3rd resistor R3 are that 400 Ω, the 4th resistance R4 are that 5k Ω, the 5th resistance R5 are 1k Ω, the first electricity It is that 0.1uf, the second electric capacity C2 are that 0.01uf, transformer T are that 220V transformers, potentiometer RP are 0-10k Ω, rectifier DR to hold C1 For the bridge rectifier of four model IN4001 diode composition, controllable silicon SCR model MCR100-6/0.8A/400V, turn Fast sensor IC is that photoelectric tachometric transducer, motor M are 150W motor；

The speed probe IC is connected with the rotating shaft sensing of the motor M, and the positive pole of the speed probe IC leads to Cross the 5th resistance R5 to be connected with rectifier DR cathode output end, speed probe IC negative pole is exported with rectifier DR negative pole End connection, speed probe IC signal output part is connected with potentiometer RP first end and sliding end simultaneously, potentiometer RP's Second end is connected with the tap of transformer T output ends and first resistor R1 first end simultaneously, the first end of transformer T inputs It is connected simultaneously with the input first end of AC power AC one end, motor M one end and rectifier DR, transformer T inputs The second end is held while being connected with AC power AC the second end, the positive pole of controllable silicon SCR and rectifier DR the second input, is become Depressor T output ends first end is connected with the first electric capacity C1 first end, and the second end of transformer T output ends is with second resistance R2's First end is connected, the first electric capacity C1 the second end simultaneously with first resistor R1 the second end, second resistance R2 the second end and the Three resistance R3 first end connection, 3rd resistor R3 the second end control end simultaneously with controllable silicon SCR, the of the second electric capacity C2 One end and the 4th resistance R4 first end connection, it is the second electric capacity C2 the second end the second end simultaneously with the 4th resistance R4, controllable The second end connection of silicon SCR negative pole and motor M.

Operation principle of the present utility model is as follows：

It is depressured by transformer T and inputs 12V power supplys to circuit, by the 5th resistance after the rectified device DR rectification of AC power AC With speed probe IC offer power supplys after R5 current limlitings, signal output is by potentiometer RP after the rotating speed of speed probe IC detection motors Control signal intensity, the control end of signal output to first resistor R1,3rd resistor R3 to controllable silicon SCR, to trigger controllable silicon The SCR angle of flow, so as to connect AC power AC and motor M power strength, so as to control motor M rotating speed, is adjusted Nodal potential device RP resistance can adjust motor M rotating speed, moreover it is possible to make motor M stabilization of speed.

General principle of the present utility model and principal character and advantage of the present 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 utility model spirit and scope are not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims

1. a kind of motor automatic controller, it is characterised in that：By first resistor to the 5th resistance, the first electric capacity, the second electric capacity, Transformer, potentiometer, rectifier, controllable silicon, speed probe and motor unit are that 80 Ω, second resistance are into, first resistor 200 Ω, 3rd resistor are that 400 Ω, the 4th resistance are that 5k Ω, the 5th resistance are that 1k Ω, the first electric capacity are 0.1uf, the second electric capacity It is 220V transformers, the diode group that potentiometer is 0-10k Ω, rectifier is four model IN4001 for 0.01uf, transformer Into bridge rectifier, controllable silicon model MCR100-6/0.8A/400V, speed probe be photoelectric tachometric transducer, electricity Motivation is 150W motor；

The speed probe is connected with the rotating shaft sensing of the motor, and the positive pole of the speed probe passes through the 5th resistance It is connected with the cathode output end of rectifier, the negative pole of speed probe and the cathode output end of rectifier are connected, speed probe Signal output part be connected simultaneously with the first end and sliding end of potentiometer, the second end of potentiometer at the same with transformer output end Tap and first resistor first end connection, the first ends of transformer inputs one end simultaneously with AC power, motor One end and rectifier the connection of input first end, the end of transformer inputs second simultaneously with the second end of AC power, can The second input connection of the positive pole and rectifier of silicon is controlled, transformer output end first end is connected with the first end of the first electric capacity, The first end of second end of transformer output end and second resistance is connected, the second end of the first electric capacity simultaneously with first resistor the The first end connection at two ends, the second end of second resistance and 3rd resistor, the control of the second end of 3rd resistor simultaneously with controllable silicon The first end connection at end processed, the first end of the second electric capacity and the 4th resistance, the second end of the second electric capacity simultaneously with the 4th resistance The second end connection at the second end, the negative pole of controllable silicon and motor.