CN209860835U - Forward and reverse rotation control circuit of stepping motor - Google Patents
Forward and reverse rotation control circuit of stepping motor Download PDFInfo
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- CN209860835U CN209860835U CN201920865814.XU CN201920865814U CN209860835U CN 209860835 U CN209860835 U CN 209860835U CN 201920865814 U CN201920865814 U CN 201920865814U CN 209860835 U CN209860835 U CN 209860835U
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Abstract
The utility model discloses a belong to motor control technical field, specifically be a step motor is control circuit just reversing, including main circuit and control circuit, the main circuit includes three-phase power cord L1, L2, L3, three-phase power cord L1, L2, L3 respectively with motor M's U, V, W terminal connection, be connected with switch FU GS, main circuit safety switch FU1 and main circuit thermal relay protector FR1 between three-phase power cord L1, L2, L3 and motor M's U, V, W terminal, all establish ties on three-phase power cord L1, L2, L3 and have relay switch KM1, through succinct control circuit, can be quick carry out the control of just reversing to motor M, the feedback is comparatively rapid; through simple circuit design, the cost is lower, and electric devices which are commonly used in the market are adopted, so that the maintenance and the replacement are more convenient; and the loss of electric energy can be reduced by fewer electric devices.
Description
Technical Field
The utility model relates to a motor control technology field specifically is a step motor is control circuit just reversing.
Background
The stepping motor is an open-loop control motor which converts an electric pulse signal into angular displacement or linear displacement, is a main executive element in a modern digital program control system, and is extremely widely applied. In the non-overload condition, the rotation speed and stop position of the motor only depend on the frequency and pulse number of the pulse signal, and are not influenced by the load change, when the stepping driver receives a pulse signal, the stepping driver drives the stepping motor to rotate by a fixed angle in a set direction, namely a stepping angle, and the rotation of the stepping motor is operated by one step at the fixed angle. The angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled; meanwhile, the rotating speed and the rotating acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled.
For example: chinese patent publication No. CN208445504U a three-phase roller shutter door motor is with control circuit that just reverses, including three-phase roller shutter door motor power cord L4, L5 and L6 and for three-phase power cord L1 of three-phase roller shutter door motor power supply, L2 and L3, be provided with between motor power cord and the three-phase power cord and just reverse control circuit M and motor switch control circuit N, just reverse control circuit M includes relay J1 and relay J2, motor switch control circuit N includes relay J10, relay J11 and relay J12. The existing forward and reverse rotation control circuit is complex, the situation of large electric energy loss is easily caused when the control circuit is used, the energy waste is caused, and the control response is not sensitive enough. For this reason, a corresponding technical scheme needs to be designed for solution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a step motor is control circuit just reversing to current just reversing control circuit who proposes in solving above-mentioned background art is comparatively complicated, when using, causes the great condition of electric energy loss easily, causes the waste of the energy, and the not sensitive problem of control reaction.
In order to achieve the above object, the utility model provides a following technical scheme: a stepping motor forward and backward rotation control circuit comprises a main circuit and a control circuit, wherein the main circuit comprises three-phase power lines L1, L2 and L3, the three-phase power lines L1, L2 and L3 are respectively connected with U, V, W binding posts of a motor M, a switch GS, a main circuit safety switch FU1 and a main circuit thermal relay protector FR1 are connected between the three-phase power lines L1, L2 and L3 and a U, V, W binding post of the motor M, relay switches KM1 are connected on the three-phase power lines L1, L2 and L3 in series, two relay switches KM2 are connected between the three-phase power line L1 and the three-phase power line L3 in parallel through a lead, and a relay switch KM2 is also connected on the three-phase power line L2 in parallel;
control circuit includes two control circuit insurance switch FU2, and a terminal of two control circuit insurance switch FU2 passes through the wire and is connected with three-phase power line L1, L2 respectively, and pass through the wire and the circuit connection that button SB1, the button SB2 formed after parallelly connected between another terminal of two control circuit insurance switch FU2, button SB1, button SB2 control three relay switch KM1, three relay switch KM 2's break-make respectively.
As an improvement of the technical scheme, a main switch button SB3 is connected in series between a circuit formed by connecting the button SB1 and the button SB2 in parallel and the three-phase power line L1.
As an improvement of the technical scheme, a control circuit thermal relay protector FR2 is also connected in series between a circuit formed by connecting the button SB1 and the button SB2 in parallel and the three-phase power line L1.
As an improvement of the above technical solution, the control circuit fuse FU2 and the main circuit fuse FU1 are all thermal fuses.
Compared with the prior art, the beneficial effects of the utility model are that:
1) through a simple control circuit, forward and reverse rotation control can be rapidly carried out on the motor M, and feedback is rapid;
2) through simple circuit design, the cost is lower, and electric devices which are commonly used in the market are adopted, so that the maintenance and the replacement are more convenient;
3) and the loss of electric energy can be reduced by fewer electric devices.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1, the present invention provides a technical solution: the utility model provides a step motor is control circuit just reversing, includes main circuit and control circuit, its characterized in that: the main circuit comprises three-phase power lines L1, L2 and L3, wherein the three-phase power lines L1, L2 and L3 are respectively connected with an U, V, W binding post of a motor M, a switch GS, a main circuit safety switch FU1 and a main circuit thermal relay protector FR1 are connected between the three-phase power lines L1, L2 and L3 and a U, V, W binding post of the motor M, relay switches KM1 are connected in series on the three-phase power lines L1, L2 and L3, two relay switches KM2 are connected in parallel between the three-phase power line L1 and the three-phase power line L3 through a lead, and a relay switch KM2 is also connected in parallel on the three-phase power line L2;
control circuit includes two control circuit insurance switch FU2, and a terminal of two control circuit insurance switch FU2 passes through the wire and is connected with three-phase power line L1, L2 respectively, and pass through the wire and the circuit connection that button SB1, the button SB2 formed after parallelly connected between another terminal of two control circuit insurance switch FU2, button SB1, button SB2 control three relay switch KM1, three relay switch KM 2's break-make respectively.
A main switch button SB3 is connected in series between a circuit formed by connecting the button SB1 and the button SB2 in parallel and a three-phase power line L1;
a control circuit thermal relay protector FR2 is also connected in series between a circuit formed by connecting the button SB1 and the button SB2 in parallel and the three-phase power line L1;
the control circuit fuse FU2 and the main circuit fuse FU1 are all hot melt fuses.
The working principle is as follows: controlling the positive and negative rotation of the motor M mainly by changing the connection mode of three-phase power lines L1 and L3 and a U, W terminal of the motor M;
during forward rotation: by pressing the button SB1, three relay switches KM1 are closed (three relay switches KM2 are disconnected, and the relay switches KM1 and KM2 cannot be closed simultaneously) under the action of magnetic adsorption generated by pressing the button SB1, so that the three-phase power lines L1, L2 and L3 are respectively and correspondingly connected with an U, V, W binding post of the motor M in a closed manner;
when the rotation is reversed: the button SB1 is pressed, at the moment, the three relay switches KM1 are switched off, the motor M stops rotating, the button SB2 is pressed, the three relay switches KM2 are closed under the magnetic adsorption effect of the button SB2, the three-phase power line L1 is connected with a W wiring terminal of the motor M, and the three-phase power line L3 is connected with a U wiring terminal of the motor M;
the main switch button SB3 is the main switch of the control circuit, and the main circuit safety switch FU1 and the control circuit safety switch FU2 play the role of overload protection.
Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a step motor is control circuit just reversing, includes main circuit and control circuit, its characterized in that: the main circuit comprises three-phase power lines L1, L2 and L3, wherein the three-phase power lines L1, L2 and L3 are respectively connected with an U, V, W binding post of a motor M, a switch GS, a main circuit safety switch FU1 and a main circuit thermal relay protector FR1 are connected between the three-phase power lines L1, L2 and L3 and a U, V, W binding post of the motor M, relay switches KM1 are connected in series on the three-phase power lines L1, L2 and L3, two relay switches KM2 are connected in parallel between the three-phase power line L1 and the three-phase power line L3 through a lead, and a relay switch KM2 is also connected in parallel on the three-phase power line L2;
control circuit includes two control circuit insurance switch FU2, and a terminal of two control circuit insurance switch FU2 passes through the wire and is connected with three-phase power line L1, L2 respectively, and pass through the wire and the circuit connection that button SB1, the button SB2 formed after parallelly connected between another terminal of two control circuit insurance switch FU2, button SB1, button SB2 control three relay switch KM1, three relay switch KM 2's break-make respectively.
2. The forward and reverse rotation control circuit of the stepping motor according to claim 1, characterized in that: and a main switch button SB3 is connected in series between a circuit formed by connecting the button SB1 and the button SB2 in parallel and the three-phase power line L1.
3. The forward and reverse rotation control circuit of the stepping motor according to claim 1, characterized in that: and a control circuit thermal relay protector FR2 is also connected in series between a circuit formed by connecting the button SB1 and the button SB2 in parallel and the three-phase power line L1.
4. The forward and reverse rotation control circuit of the stepping motor according to claim 1, characterized in that: the control circuit fuse FU2 and the main circuit fuse FU1 are all hot melt fuses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920865814.XU CN209860835U (en) | 2019-06-11 | 2019-06-11 | Forward and reverse rotation control circuit of stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920865814.XU CN209860835U (en) | 2019-06-11 | 2019-06-11 | Forward and reverse rotation control circuit of stepping motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209860835U true CN209860835U (en) | 2019-12-27 |
Family
ID=68942837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920865814.XU Active CN209860835U (en) | 2019-06-11 | 2019-06-11 | Forward and reverse rotation control circuit of stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209860835U (en) |
-
2019
- 2019-06-11 CN CN201920865814.XU patent/CN209860835U/en active Active
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