CN218756078U - Electrolytic cell control machine control circuit with double contactors for controlling motor operation - Google Patents
Electrolytic cell control machine control circuit with double contactors for controlling motor operation Download PDFInfo
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- CN218756078U CN218756078U CN202222813247.8U CN202222813247U CN218756078U CN 218756078 U CN218756078 U CN 218756078U CN 202222813247 U CN202222813247 U CN 202222813247U CN 218756078 U CN218756078 U CN 218756078U
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Abstract
The utility model belongs to the technical field of control circuit, concretely relates to electrolysis trough cell accuse machine control circuit of double contact ware control motor operation, including motor operation circuit, motor control circuit, motor, 380V three-phase AC commercial power and 220V AC commercial power, 380V three-phase AC commercial power passes through motor operation circuit and motor electric connection, motor control circuit and motor operation circuit electric connection, 220V AC commercial power and motor control circuit electric connection. The utility model discloses a reform transform ascending and decline contactor in a return circuit, by originally for a set of contactor control be two sets of contactor control, two sets of contactors have 0.3 seconds time difference when obtaining signal action closure, have avoided the load starter motor simultaneously. And the utility model discloses install contact adhesion alarm device additional on two sets of contactors, take place the adhesion and will have the fault suggestion if any one contactor, avoid the cell-controlled machine to cause the abnormal operation of cell accuse motor because of the fault on the follow primary circuit completely.
Description
Technical Field
The utility model belongs to the technical field of control circuit, concretely relates to electrolysis trough cell-control machine control circuit of double contactor control motor operation.
Background
The cell control machine is an important control device in the production of electrolytic aluminum, and plays a role in measuring cell voltage, controlling anode lifting and ensuring the normal production of the electrolytic cell in the operation of the electrolytic cell. Although the cell control machine has a series of protective effects in daily operation, the cell control machine is mainly applied to a secondary control system, if the secondary control system is adhered by contacts of a rising contactor or a falling contactor, the secondary control system cannot break a power supply, the phenomenon of adhesion of the contacts of the rising contactor is easy to occur, and the anode rises all the time, so that the power failure accident of the electrolytic cell occurs.
SUMMERY OF THE UTILITY MODEL
The technical problem of contactor contact adhesion that rises takes place easily in daily operation to above-mentioned cell accuse machine, the utility model provides an electrolysis cell accuse machine control circuit of high, convenient to use, efficient two contactor control motor operation of security.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides an electrolysis trough cell accuse machine control circuit of double contactor control motor operation, includes motor operation circuit, motor control circuit, motor, 380V three-phase alternating current commercial power and 220V alternating current commercial power, 380V three-phase alternating current commercial power passes through motor operation circuit and motor electric connection, motor control circuit and motor operation circuit electric connection, 220V alternating current commercial power and motor control circuit electric connection.
The motor control circuit comprises a first contactor, a second contactor, a third contactor, a fourth contactor, a first button switch, a second button switch and a time delay contactor, the 220V alternating current commercial power is electrically connected with a first contact of the second contactor through the first button switch, the first contact of the second contactor is electrically connected with a coil of the first contactor, and the coil of the first contactor is electrically connected with the 220V alternating current commercial power.
The 220V alternating current commercial power is electrically connected with the first contact of the first contactor through the second button switch, the first contact of the first contactor is electrically connected with the coil of the second contactor, and the coil of the second contactor is electrically connected to the 220V alternating current commercial power.
The first contactor electric connection of second contactor has the time delay contact of first contactor, the time delay contact electric connection of first contactor has the coil of third contactor, the coil electric connection of third contactor is on the 220V alternating current commercial power.
The first contactor electric connection of first contactor has the time delay contact of second contactor, the time delay contact electric connection of second contactor has the coil of fourth contactor, the coil electric connection of fourth contactor is on the 220V alternating current commercial power.
The 220V exchanges the commercial power and has the coil of time delay contactor through the second contact of first contactor, the second contact of second contactor, the first contact of third contactor, the first contact electric connection of fourth contactor respectively, the coil electric connection of time delay contactor is on the 220V exchanges the commercial power, the second contact of first contactor, the second contact of second contactor, the first contact of third contactor, the first contact parallel connection of fourth contactor.
220V exchanges commercial power electric connection and has the contact of time delay contactor, the contact electric connection of time delay contactor has the alarm, alarm electric connection is on 220V exchanges the commercial power.
The motor control circuit comprises a third contact of the first contactor, a third contact of the second contactor, a second contact of the third contactor and a second contact of the fourth contactor, the 380V three-phase alternating current city electricity is electrically connected to a forward rotation terminal of the motor through the third contact of the first contactor and the second contact of the third contactor, the 380V three-phase alternating current city electricity is electrically connected to a reverse rotation terminal of the motor through the third contact of the second contactor and the second contact of the fourth contactor, the third contact of the first contactor is connected with the second contact of the third contactor in series, and the third contact of the second contactor is connected with the second contact of the fourth contactor in series.
The first contact of first contactor, the first contact of second contactor all adopt normally closed contact, the second contact of second contactor, the first contact of third contactor, the first contact of fourth contactor, the third contact of first contactor, the third contact of second contactor, the second contact of third contactor, the second contact of fourth contactor, the delay contact of first contactor, the delay contact of second contactor and the contact of delay contactor all adopt normally open contact.
Compared with the prior art, the utility model, the beneficial effect who has is:
the utility model discloses a reform transform ascending and decline contactor in a return circuit, by originally for a set of contactor control be two sets of contactor control, two sets of contactors have 0.3 seconds time difference when obtaining signal action closure, have avoided the load starter motor simultaneously. And the utility model discloses install contact adhesion alarm device additional on two sets of contactors, take place the adhesion and will have the fault suggestion if any one contactor, avoid the cell-controlled machine to cause the abnormal operation of cell accuse motor because of the fault on the follow primary circuit completely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed in the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.
Fig. 1 is an overall circuit diagram of the present invention;
fig. 2 is a circuit diagram of the motor operation circuit of the present invention;
fig. 3 is a circuit diagram of the motor control circuit of the present invention.
Wherein: 1 is motor operation circuit, 2 is motor control circuit, 3 is the motor, 4 is 380V three-phase alternating current commercial power, 5 is 220V alternating current commercial power, KM1 is first contactor, KM2 is the second contactor, KM3 is the third contactor, KM4 is the fourth contactor, SB1 is first button switch, SB2 is the second button switch, ST is the time delay contactor, HA is the alarm.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more comprehensible, embodiments of the present invention are described in detail below, it being understood that the described embodiments are only some of the embodiments of the present invention, rather than all of the embodiments, and that the description is only for further explanation of the features and advantages of the present invention, rather than for limitation of the claims of the present invention; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
Throughout the description of the present application, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present embodiment, as shown in fig. 1-3, the operation of the motor 3 is controlled by two sets of contactors, the motor 3 is controlled by the first contactor KM1 and the third contactor KM3 to rotate forward, the positive electrode in the electrolytic cell is driven to rise by the motor 3 rotating forward, the motor 3 is controlled by the second contactor KM2 and the fourth contactor KM4 to rotate backward, and the positive electrode in the electrolytic cell is driven to fall by the motor 3 rotating backward.
Further, when the first button switch SB1 is pressed, the coil of the first contactor KM1 is energized, the third contact of the first contactor KM1 is closed, the delay contact of the first contactor KM1 is closed after 0.3 second delay, the coil of the third contactor KM3 is energized, the second contact of the third contactor KM3 is closed, the forward rotation terminal of the motor 3 is connected with a 380V three-phase alternating current mains supply, and thus the forward rotation of the motor 3 drives the anode in the electrolytic bath to rise. Because the first contact of the first contactor KM1 is a normally closed contact, the first contact of the first contactor KM1 is open, and at this time, even if the second button switch SB2 is pressed by mistake, the coil of the second contactor KM2 cannot be energized, that is, when the motor 3 rotates forward to drive the anode in the electrolytic cell to rise, the motor 3 cannot be triggered to rotate reversely.
Further, when the second button switch SB2 is pressed, the coil of the second contactor KM2 is energized, the third contact of the second contactor KM2 is closed, the delay contact of the second contactor KM2 is closed after 0.3 second delay, the coil of the fourth contactor KM4 is energized, the second contact of the fourth contactor KM4 is closed, the reverse terminal of the motor 3 is connected with a 380V three-phase alternating current mains supply, and the motor 3 reverses to drive the anode in the electrolytic cell to rise. Because the first contact of the second contactor KM2 is a normally closed contact, the first contact of the first contactor KM1 is open, and at this time, even if the first button switch SB1 is pressed by mistake, the coil of the first contactor KM1 cannot be energized, that is, when the motor 3 rotates reversely to drive the anode in the electrolytic cell to rise, the motor 3 cannot be triggered to rotate forwardly.
Further, if the contacts of the first contactor KM1, the second contactor KM2, the third contactor KM3 or the fourth contactor KM4 are adhered, the second contact of the first contactor KM1, the second contact of the second contactor KM2, the first contact of the third contactor KM3 or the first contact of the fourth contactor KM4 are continuously closed, the coil of the delay contactor ST is powered on, and the contact of the delay contactor ST is closed after 60 seconds of delay, that is, when the contact of the first contactor KM1, the second contactor KM2, the third contactor KM3 or the fourth contactor KM4 is adhered for more than 60 seconds, the contact of the delay contactor ST is closed, and at this time, the alarm HA is powered on to send an alarm, and an operator can remove the problem of the adhesion of the contactors according to the alarm of the alarm HA.
The above description is only for the detailed description of the preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of the ordinary skilled person in the art, and all such changes are included in the scope of the present invention.
Claims (9)
1. The utility model provides an electrolysis trough cell-control machine control circuit of double contactor control motor operation which characterized in that: including motor operation circuit (1), motor control circuit (2), motor (3), 380V three-phase alternating current commercial power (4) and 220V alternating current commercial power (5), 380V three-phase alternating current commercial power (4) are through motor operation circuit (1) and motor (3) electric connection, motor control circuit (2) and motor operation circuit (1) electric connection, 220V alternating current commercial power (5) and motor control circuit (2) electric connection.
2. An electrolytic cell controller control circuit for controlling the operation of an electric motor by double contactors as claimed in claim 1, wherein: motor control circuit (2) include first contactor (KM 1), second contactor (KM 2), third contactor (KM 3), fourth contactor (KM 4), first button switch (SB 1), second button switch (SB 2), time delay contactor (ST), 220V exchanges first contact electric connection of commercial power (5) through first button switch (SB 1) and second contactor (KM 2), the first contact electric connection of second contactor (KM 2) has the coil of first contactor (KM 1), the coil electric connection of first contactor (KM 1) is on 220V exchanges commercial power (5).
3. An electrolyzer control circuit for controlling the operation of an electric motor by two contactors as claimed in claim 2, characterized in that: 220V exchanges commercial power (5) and passes through the first contact electric connection of second button switch (SB 2) and first contactor (KM 1), the first contact electric connection of first contactor (KM 1) has the coil of second contactor (KM 2), the coil electric connection of second contactor (KM 2) is on 220V exchanges commercial power (5).
4. An electrolyzer control circuit for controlling the operation of an electric motor by two contactors as claimed in claim 2, characterized in that: the first contact of the second contactor (KM 2) is electrically connected with a delay contact of the first contactor (KM 1), the delay contact of the first contactor (KM 1) is electrically connected with a coil of the third contactor (KM 3), and the coil of the third contactor (KM 3) is electrically connected to 220V alternating current mains supply (5).
5. An electrolyzer control circuit for controlling the operation of an electric machine by two contactors as claimed in claim 2 wherein: the first contact of first contactor (KM 1) electric connection has the time delay contact of second contactor (KM 2), the time delay contact electric connection of second contactor (KM 2) has the coil of fourth contactor (KM 4), the coil electric connection of fourth contactor (KM 4) is on 220V alternating current commercial power (5).
6. An electrolyzer control circuit for controlling the operation of an electric machine by two contactors as claimed in claim 2 wherein: 220V exchanges commercial power (5) and has the coil of time delay contactor (ST) through the second contact of first contactor (KM 1), the second contact of second contactor (KM 2), the first contact of third contactor (KM 3), the first contact electric connection of fourth contactor (KM 4) respectively, the coil electric connection of time delay contactor (ST) is on 220V exchanges commercial power (5), the second contact of first contactor (KM 1), the second contact of second contactor (KM 2), the first contact of third contactor (KM 3), the first contact parallel connection of fourth contactor (KM 4).
7. An electrolyzer control circuit for controlling the operation of an electric machine by two contactors as claimed in claim 6 wherein: 220V exchanges commercial power (5) electric connection HAs the contact of time delay contactor (ST), the contact electric connection of time delay contactor (ST) HAs Alarm (HA), alarm (HA) electric connection is on 220V exchanges commercial power (5).
8. An electrolyzer control circuit for controlling the operation of an electric motor by two contactors as claimed in claim 2, characterized in that: the motor control circuit (2) comprises a third contact of a first contactor (KM 1), a third contact of a second contactor (KM 2), a second contact of a third contactor (KM 3) and a second contact of a fourth contactor (KM 4), the 380V three-phase alternating current mains supply (4) is electrically connected to a forward rotation terminal of the motor (3) through the third contact of the first contactor (KM 1) and the second contact of the third contactor (KM 3), the 380V three-phase alternating current mains supply (4) is electrically connected to a reverse rotation terminal of the motor (3) through the third contact of the second contactor (KM 2) and the second contact of the fourth contactor (KM 4), the third contact of the first contactor (KM 1) is connected in series with the second contact of the third contactor (KM 3), and the third contact of the second contactor (KM 2) is connected in series with the second contact of the fourth contactor (KM 4).
9. An electrolyzer control circuit for controlling the operation of an electric machine by two contactors as claimed in claim 2 wherein: the normally-closed contactor is adopted by the first contact of the first contactor (KM 1) and the first contact of the second contactor (KM 2), and the normally-closed contact is adopted by the second contact of the first contactor (KM 1), the second contact of the second contactor (KM 2), the first contact of the third contactor (KM 3), the first contact of the fourth contactor (KM 4), the third contact of the first contactor (KM 1), the third contact of the second contactor (KM 2), the second contact of the third contactor (KM 3), the second contact of the fourth contactor (KM 4), the delay contact of the first contactor (KM 1), the delay contact of the second contactor (KM 2) and the contact of the delay contactor (ST).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222813247.8U CN218756078U (en) | 2022-10-25 | 2022-10-25 | Electrolytic cell control machine control circuit with double contactors for controlling motor operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222813247.8U CN218756078U (en) | 2022-10-25 | 2022-10-25 | Electrolytic cell control machine control circuit with double contactors for controlling motor operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218756078U true CN218756078U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222813247.8U Active CN218756078U (en) | 2022-10-25 | 2022-10-25 | Electrolytic cell control machine control circuit with double contactors for controlling motor operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218756078U (en) |
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2022
- 2022-10-25 CN CN202222813247.8U patent/CN218756078U/en active Active
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