CN104639006A - Control circuit for controlling inching, continuous operation and stopping of motor via single button - Google Patents
Control circuit for controlling inching, continuous operation and stopping of motor via single button Download PDFInfo
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- CN104639006A CN104639006A CN201410687274.2A CN201410687274A CN104639006A CN 104639006 A CN104639006 A CN 104639006A CN 201410687274 A CN201410687274 A CN 201410687274A CN 104639006 A CN104639006 A CN 104639006A
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- relay
- contactor
- coil
- time relay
- time delay
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- Stopping Of Electric Motors (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
The invention discloses a control circuit for controlling inching, continuous operation and stopping of a motor via a single button. The single button is connected with a cathode of a power supply through a coil of a time relay; a normally closed contact of the time relay is serially connected with a coil of an intermediate relay to form a branch which is parallelly connected to two ends of the coil of the time relay; one end of a non-delay transient contact of the time relay is connected with an anode of the power supply; one end of the non-delay transient contact of the time relay is also connected with the cathode of the power supply through a coil of an AC contactor; a normally closed contact of the immediate relay is serially connected with a first normally open contact of the AC contactor, forming a branch which is parallelly connected to two ends of the non-delay transient contact of the time relay; a second normally open contact of the AC contactor is connected between the power supply which is a three-phase power supply and the motor. The control circuit allows the inching, continuous operation and stopping to be easily operated, is convenient to operate and is simple in circuit structure.
Description
Technical field
The control circuit the present invention relates to a kind of Single button control motor crawl, running, stop continuously.
Background technology
Operationally, some motors can adopt a control mode for fortune to motor, and some motors can adopt long dynamic control mode.So-called point operation control: press the button rear motor with hand and obtain electric operation, after hand unclamps, motor dead electricity, out of service.Point operation control is used for the occasion such as the fast moving such as lathe cutter saddle, crossbeam, column and lathe tool setting.Long dynamic to control: press the button rear motor with hand and obtain electric operation, after hand unclamps, often open auxiliary contact self-locking because contactor utilizes, motor in the same old way electric operation, after only pressing stop button, just meeting dead electricity is out of service for motor.But, in existing control circuit, although combination, circuit structure and the equal more complicated of operating process that crawl and long dynamic control mode carry out by existing circuit.
Summary of the invention
For above-mentioned technical problem, the control circuit the invention provides a kind of Single button control motor crawl, running, stop continuously.The operation that the present invention can complete crawl, continuously operation like a cork and stop, not only easy to operate, and also circuit structure is also very simple
Technical scheme of the present invention is as follows:
Single button control motor crawl, continuous operation, the control circuit stopped, comprise button, obtain electric time delay relay, auxiliary relay and A.C. contactor, one end of button is connected with positive source, the other end of button is connected with power cathode by the coil of the time relay, the branch road that the normally closed interlock of the time relay and the coils connected in series of auxiliary relay are formed, be parallel to the two ends of the coil of the time relay, the time relay not time delay wink moving contact one end connect the positive source time relay not time delay wink moving contact one end connect power cathode by the coil of A.C. contactor, the normally closed interlock of auxiliary relay is connected with the first normally open contact of A.C. contactor the branch road be split into, be parallel to the time relay not time delay wink moving contact two ends, second normally open contact of A.C. contactor is connected between three phase supply power supply and motor.
Preferably, also comprise a thermal relay, the normally closed interlock of this thermal relay is connected between the coil of A.C. contactor and power cathode, and the heater element of thermal relay is connected between the second normally open contact of A.C. contactor and motor.
Have employed such scheme, the present invention is coordinated by button and the time relay, auxiliary relay and A.C. contactor, can complete crawl like a cork, run and the operation of stopping continuously, not only easy to operate, and circuit structure is also very simple, has the advantage that use cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
See Fig. 1, Single button control motor crawl, continuous operation, the control circuit stopped, comprise button SB, obtain electric time delay relay, auxiliary relay and A.C. contactor, one end of button SB is connected with positive source, the other end of button SB is connected with power cathode by the coil KT of the time relay, the normally closed interlock KT1 of the time relay connects with the coil KA of auxiliary relay the branch road formed, be parallel to the two ends of the coil KT of the time relay, one end of the not time delay wink moving contact KT2 of the time relay connects the coil KM connection power cathode of one end by A.C. contactor of the not time delay wink moving contact KT2 of the positive source time relay, the normally closed interlock KA1 of auxiliary relay connects with the first normally open contact KM1 of A.C. contactor the branch road be split into, be parallel to the two ends of the not time delay wink moving contact KT2 of the time relay, second normally open contact of A.C. contactor is connected between three phase supply power supply and motor M.Also comprise a thermal relay, the normally closed interlock FR1 of this thermal relay is connected between the coil KM of A.C. contactor and power cathode, and the heater element FR of thermal relay is connected between the second normally open contact KM2 of A.C. contactor and motor.
The course of work of the present invention is: (1) crawl, pin button SB in electric time delay relay delay time and do not unclamp, obtain the coil KT of electric time delay relay, the coil KA of auxiliary relay and obtain electric adhesive, the normally open contact KA1 of auxiliary relay disconnects, cut off the self-locking circuit of A.C. contactor, obtain electric time delay relay trigger, the normally open contact KT2 that moves in not time delay wink obtaining electric time delay relay closes, the coil KM of A.C. contactor obtains electric adhesive, second normally open contact KM2 of A.C. contactor closes, and motor M obtains electric operation.Release button SB in electric time delay relay delay time, obtain the coil KA dead electricity release of the coil KT of electric time delay relay, auxiliary relay, the normally open contact KT2 that moves in not time delay wink obtaining electric time delay relay disconnects, the normally closed interlock of auxiliary relay recovers normally off, the coil KM dead electricity release of A.C. contactor, second normally open contact KM2 of A.C. contactor disconnects, and motor dead electricity is out of service, thus realizes crawl operation.
(2) operate continuously, the time pinning button SB exceed electric time delay relay delay time after unclamp, the normally closed interlock KT1 obtaining electric time delay relay disconnects, cut off the coil KA power supply of auxiliary relay, the coil KA dead electricity release of auxiliary relay, the normally closed interlock KA1 of auxiliary relay recovers normally off, be supplied to A.C. contactor self-locking circuit, the coil KM of A.C. contactor move in not time delay wink normally open contact KT2 closed after electric adhesive, first normally open contact KM1 of A.C. contactor closes self-locking circuit and connects, second normally open contact KM2 of A.C. contactor closes, motor M obtains electric operation, the first normally open contact KM1 due to A.C. contactor closes self-locking circuit and connects, therefore, exchange phallus can work constantly, thus motor can work constantly.
(3) shut down, after motor operates continuously, SB is pressed the button for then instantaneous during stopping, now, obtain the coil KT of electric time delay relay, the coil KA of auxiliary relay all electric adhesive, although the normally open contact KT2 that moves in not time delay wink obtaining electric time delay relay closes, but the normally open contact KA1 be connected in A.C. contactor self-locking circuit disconnects, cut off the self-locking circuit of A.C. contactor, after release button SB, the normally open contact KT2 that moves in not time delay wink obtaining electric time delay relay disconnects, the normally closed interlock KA1 of auxiliary relay also recovers normally off, the coil KM dead electricity release of A.C. contactor, second normally open contact KM2 of A.C. contactor disconnects, motor dead electricity shuts down.
Claims (2)
1. Single button control motor crawl, continuous operation, the control circuit stopped, it is characterized in that: comprise button (SB), obtain electric time delay relay, auxiliary relay and A.C. contactor, one end of button (SB) is connected with positive source, the other end of button (SB) is connected with power cathode by the coil (KT) of the time relay, the normally closed interlock (KT1) of the time relay is connected with the coil (KA) of auxiliary relay the branch road formed, be parallel to the two ends of the coil (KT) of the time relay, the one end in not time delay wink moving contact (KT2) of the time relay connects the one end in not time delay wink moving contact (KT2) of the positive source time relay and connects power cathode by the coil (KM) of A.C. contactor, the normally closed interlock (KA1) of auxiliary relay is connected with first normally open contact (KM1) of A.C. contactor the branch road be split into, be parallel to the two ends in not time delay wink moving contact (KT2) of the time relay, second normally open contact of A.C. contactor is connected between three phase supply power supply and motor (M).
2. Single button control motor crawl according to claim 1, continuously operation, the control circuit stopped, it is characterized in that: also comprise a thermal relay, the normally closed interlock (FR1) of this thermal relay is connected between the coil (KM) of A.C. contactor and power cathode, and the heater element (FR) of thermal relay is connected between second normally open contact (KM2) of A.C. contactor and motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410687274.2A CN104639006A (en) | 2014-11-25 | 2014-11-25 | Control circuit for controlling inching, continuous operation and stopping of motor via single button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410687274.2A CN104639006A (en) | 2014-11-25 | 2014-11-25 | Control circuit for controlling inching, continuous operation and stopping of motor via single button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104639006A true CN104639006A (en) | 2015-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410687274.2A Pending CN104639006A (en) | 2014-11-25 | 2014-11-25 | Control circuit for controlling inching, continuous operation and stopping of motor via single button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104639006A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773420A (en) * | 2016-04-12 | 2016-07-20 | 常州市金牛研磨有限公司 | Abrasive belt feeding mechanism |
| CN106444615A (en) * | 2016-11-23 | 2017-02-22 | 淮南矿业(集团)有限责任公司 | Instant starting and stopping delaying circuit and adhesive tape machine including circuit |
| CN106873424A (en) * | 2017-04-27 | 2017-06-20 | 上海市农业机械鉴定推广站 | A kind of portable brush cutter simulator stand control device |
| CN112844653A (en) * | 2020-12-31 | 2021-05-28 | 济南重工股份有限公司 | Transmission control device of ball mill |
-
2014
- 2014-11-25 CN CN201410687274.2A patent/CN104639006A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773420A (en) * | 2016-04-12 | 2016-07-20 | 常州市金牛研磨有限公司 | Abrasive belt feeding mechanism |
| CN106444615A (en) * | 2016-11-23 | 2017-02-22 | 淮南矿业(集团)有限责任公司 | Instant starting and stopping delaying circuit and adhesive tape machine including circuit |
| CN106444615B (en) * | 2016-11-23 | 2023-04-28 | 淮南矿业(集团)有限责任公司 | Instant start and delay power failure circuit and tape machine comprising same |
| CN106873424A (en) * | 2017-04-27 | 2017-06-20 | 上海市农业机械鉴定推广站 | A kind of portable brush cutter simulator stand control device |
| CN106873424B (en) * | 2017-04-27 | 2023-09-01 | 上海市农业机械鉴定推广站 | Portable brush cutter analogue test platform controlling means |
| CN112844653A (en) * | 2020-12-31 | 2021-05-28 | 济南重工股份有限公司 | Transmission control device of ball mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |