CN206211893U

CN206211893U - A kind of speed stabilizing control device of motor

Info

Publication number: CN206211893U
Application number: CN201621208131.XU
Authority: CN
Inventors: 孙建民; 张国海
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-09
Filing date: 2016-11-09
Publication date: 2017-05-31
Anticipated expiration: 2026-11-09

Abstract

The utility model discloses a kind of speed stabilizing control device of motor, by first resistor to the 6th resistance, the first electric capacity, the second electric capacity, potentiometer, when base integrated chip, diode, triode, dc source and motor constitute, compared with prior art, the utility model using when base integrated chip output switch pulse rotate motor through the first triode.When base integrated chip second pin be negative-feedback signal input.Speed stabilizing control is realized by feedback control loop, when the base external potentiometer of integrated chip second pin, speed can be finely adjusted.The pin of base integrated chip the 5th when being fed back to after the 4th resistance detection motor current signal is filtered, through when base integrated chip detection and compare, again by when the pin output controlled variable signal of base integrated chip the 3rd, so as to reach the purpose of speed stabilizing, circuit structure is simple, with low cost, it is easy to use, the value with popularization and application.

Description

A kind of speed stabilizing control device of motor

Technical field

The utility model is related to a kind of motor control assembly, more particularly to a kind of motor speed stabilizing control device.

Background technology

Motor refers to a kind of calutron that electric energy conversion or transmission are realized according to the law of electromagnetic induction.Word is used in circuit Female M (old plant D) represents.Its Main Function is to produce driving torque, used as electrical appliance or the power source of various machineries.Hair Motor is represented with letter G in circuit.Its Main Function is to be converted into mechanical energy using electric energy.In the prior art, for electricity The stabilization of speed regulation of machine is both needed to use in every field, and such as the mobile of conveyer belt needs stabilization can just make work flow stabilization, As tape broadcasting needs the stable rotation of motor just to can guarantee that the output of sound, but in the prior art, the control of motor is mostly The size for changing input current changes, but can because motor internal resistance in itself or motor use time are more long after can cause electric current Input after power consumption change, so as to cause speed uncontrollable accurate, accordingly, there exist room for improvement.

Utility model content

The purpose of this utility model is that the speed stabilizing control dress that a kind of motor is provided to solve the above problems Put.

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

The utility model by first resistor to the 6th resistance, the first electric capacity, the second electric capacity, potentiometer, when base integrated chip, Diode, triode, dc source and motor composition, first resistor is 100 Ω, second resistance is 400 Ω, 3rd resistor For 500 Ω, the 4th resistance be 2k Ω, the 5th resistance be 27k Ω, the 6th resistance be 200 Ω, the first electric capacity be 300uf, second electricity Hold for 470uf, potentiometer be 10k Ω, when basis set be that NE555, diode model IN4001, triode are into chip model NPN type triode, dc source are 15V, motor is 12V/0.3A motors.

Specifically, the positive pole of dc source first end, the first of the second resistance simultaneously with the potentiometer End, it is described when base integrated chip the 4th the 8th pin and the triode emitter stage connection, the negative pole of the dc source Simultaneously with the second end of the potentiometer, it is described when the first pin of the base integrated chip, first end of first electric capacity, described The first end connection of the first end of the second electric capacity, the positive pole of the diode and the 6th resistance, the slip of the potentiometer End be connected with the first end of the first resistor, the second end of the first resistor and meanwhile with it is described when base integrated chip second The first end connection of pin, the second end of second electric capacity and the 5th resistance, the second end of the second resistance and institute The 6th pin connection of base integrated chip when stating, 5th pin of base integrated chip is simultaneously with the of first electric capacity when described The first end connection of two ends and the 4th resistance, the 3rd pin and the first of the 3rd resistor of base integrated chip when described End connection, the second end of the 3rd resistor be connected with the colelctor electrode of the triode, the colelctor electrode of the triode at the same with The first end connection of the negative pole of the diode, the second end of the 4th resistance and the motor, the motor The second end simultaneously be connected with the second end of the 5th resistance and the second end of the 6th resistance.

The beneficial effects of the utility model are：

The utility model is a kind of speed stabilizing control device of motor, and compared with prior art, the utility model is used When base integrated chip output switch pulse rotate motor through the first triode.When base integrated chip second pin be negative anti- Feedback signal input.Speed stabilizing control is realized by feedback control loop, when the base external potentiometer of integrated chip second pin, can be to speed It is finely adjusted.The pin of base integrated chip the 5th when being fed back to after the 4th resistance detection motor current signal is filtered, through when The detection of base integrated chip and compare, then by when the pin output controlled variable signal of base integrated chip the 3rd, so as to reach speed stabilizing Purpose, circuit structure is simple, with low cost, easy to use, the value with popularization and application.

Brief description of the drawings

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

Specific 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 the resistance R6 of first resistor R1 to the 6th, the first electric capacity C1, the second electric capacity C2, electricity Position device RP1, when basis set into chip IC, diode D, triode VT, dc source DC and motor M, first resistor R1 is 100 Ω, second resistance R2 are that 400 Ω, 3rd resistor R3 are that 500 Ω, the 4th resistance R4 are that 2k Ω, the 5th resistance R5 are 27k Ω, the Six resistance R6 be 200 Ω, the first electric capacity C1 be 300uf, the second electric capacity C2 be 470uf, potentiometer RP1 be 10k Ω, when basis set into Chip IC model NE555, diode D models IN4001, triode VT are NPN type triode, dc source DC is 15V, Motor M is 12V/0.3A motors.

Specifically, the positive pole of dc source DC first end, the first end of second resistance R2, Shi Ji simultaneously with potentiometer RP The emitter stage connection of the 4th the 8th pin and triode VT of integrated chip IC, the negative pole of dc source DC is while and potentiometer Second end of RP1, when basis set into the first pin of chip IC, the first end of the first electric capacity C1, the second electric capacity C2 first end, two The first end connection of the positive pole of pole pipe D and the 6th resistance R6, the sliding end of potentiometer RP is connected with the first end of first resistor R1, Second end of first resistor R1 simultaneously with when basis set into the second pin of chip IC, second end of the second electric capacity C2 and the 5th resistance The first end connection of R5, second end of second resistance R2 with when basis set be connected into the 6th pin of chip IC, when base integrated chip 5th pin of IC is connected with second end of the first electric capacity C1 and the first end of the 4th resistance R4 simultaneously, when basis set into chip IC 3rd pin is connected with the first end of 3rd resistor R3, and second end of 3rd resistor R3 is connected with the colelctor electrode of triode VT, and three The colelctor electrode of pole pipe VT negative pole simultaneously with diode D, second end of the 4th resistance R4 and the first end of motor M are connected, Second end of motor M is connected with second end of the 5th resistance R5 and second end of the 6th resistance R6 simultaneously.

Operation principle of the present utility model is as follows：

Using when basis set into the pulse of chip IC output switch through the first triode VT1 make motor M rotate.When basis set into Chip IC second pin is negative-feedback signal input.Speed stabilizing control is realized by feedback control loop, when basis set into chip IC second The external potentiometer RP1 of pin, can be finely adjusted to speed.It is anti-after 4th resistance R4 detection motor M current signals are filtered Basis set is into the pin of chip IC the 5th when being fed to, through when basis set into chip IC detection and compare, then by when basis set into chip IC Three pins export controlled variable signal, so as to reach the purpose of speed stabilizing.

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 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 appending claims and its equivalent thereof.

Claims

1. the speed stabilizing control device of a kind of motor, it is characterised in that：By first resistor to the 6th resistance, the first electric capacity, Two electric capacity, potentiometer, when base integrated chip, diode, triode, dc source and motor composition, first resistor is 100 Ω, second resistance are 400 Ω, 3rd resistor is 500 Ω, the 4th resistance is 2k Ω, the 5th resistance is 27k Ω, the 6th resistance is 200 Ω, the first electric capacity be 300uf, the second electric capacity be 470uf, potentiometer be 10k Ω, when basis set into chip model be NE555, Diode model IN4001, triode are NPN type triode, dc source is 15V, motor is 12V/0.3A motors； The positive pole of dc source first end simultaneously with the potentiometer, the first end of the second resistance, it is described when basis set into The emitter stage connection of the 4th the 8th pin of chip and the triode, the negative pole of the dc source simultaneously with the potentiometer The second end, it is described when base integrated chip the first pin, the first end of first electric capacity, the first of second electric capacity The first end connection of end, the positive pole of the diode and the 6th resistance, the sliding end of the potentiometer and the described first electricity The first end connection of resistance, the second end of the first resistor simultaneously with it is described when base integrated chip second pin, described second Second end of electric capacity and the 5th resistance first end connection, the second end of the second resistance with it is described when base integrated chip The 6th pin connection, when described base integrated chip the 5th pin simultaneously with the second end of first electric capacity and the described 4th The first end connection of resistance, 3rd pin of base integrated chip is connected with the first end of the 3rd resistor when described, and described the Second end of three resistance is connected with the colelctor electrode of the triode, and the colelctor electrode of the triode is simultaneously negative with the diode The first end connection of pole, the second end of the 4th resistance and the motor, the second end of the motor simultaneously with The second end connection at second end and the 6th resistance of the 5th resistance.