CN211571633U - Sluice four-gear stroke remote control device - Google Patents
Sluice four-gear stroke remote control device Download PDFInfo
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- CN211571633U CN211571633U CN201921371101.4U CN201921371101U CN211571633U CN 211571633 U CN211571633 U CN 211571633U CN 201921371101 U CN201921371101 U CN 201921371101U CN 211571633 U CN211571633 U CN 211571633U
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Abstract
The utility model discloses a floodgate four grades of stroke remote control device, including four grades of stroke control circuit, motor positive and negative rotation control circuit, the motor of being connected with motor positive and negative rotation control circuit, the gate of being connected with motor drive, the rising and the decline of motor drive gate, motor positive and negative rotation control circuit is including contactor KM1 that is used for controlling motor positive rotation, contactor KM2 that is used for controlling motor negative rotation, the gate is connected with stay cord displacement sensor, stay cord displacement sensor includes potentiometre T, potentiometre T gathers the voltage signal that the gate rose or descends; the utility model discloses a remove the rising and the decline of end cooperation four grades of stroke control power remote control floodgate, can deal with the processing by the very first time when emergency, reduced the probability that the accident took place, its operation mode is swift, convenient, need not go field operation, has improved work efficiency.
Description
Technical Field
The utility model relates to a sluice four-gear stroke remote control device.
Background
Gates are devices used in hydraulic buildings to control the on, off or regulate the flow of water. The number of small water gates is large, manual operation is mainly used at present, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough in the current product, provide a sluice four grades of stroke remote control devices.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model provides a floodgate four grades of stroke remote control devices which characterized in that: the device comprises a four-gear stroke control circuit, a motor forward and reverse rotation control circuit, a motor connected with the motor forward and reverse rotation control circuit, and a gate in transmission connection with the motor, wherein the motor drives the gate to ascend and descend, the motor forward and reverse rotation control circuit comprises a contactor KM1 for controlling the motor to rotate forward and a contactor KM2 for controlling the motor to rotate reversely,
the gate is connected with a pull rope displacement sensor, the pull rope displacement sensor comprises a potentiometer T, and the potentiometer T acquires a voltage signal of the rising or falling of the gate;
the four-gear stroke control circuit comprises a four-gear WiFi interlocking switch and a voltage detection module;
the four-gear WiFi interlocking switch is connected with a mobile terminal through network communication and comprises a control 1 path, a control 2 path, a control 3 path and a control 4 path which are connected with a 12V positive power supply in parallel;
the voltage detection module comprises a voltage detection relay MK1, a voltage detection relay MK2, a voltage detection relay MK3, a voltage detection relay MK4, a voltage detection relay MK5 and a voltage detection relay MK6,
the positive power end of the voltage detection relay MK1 is connected with the controlled side of the control 1 circuit, the positive power end of the voltage detection relay MK2 is connected with the controlled side of the control 2 circuit, the positive power end of the voltage detection relay MK3 is connected with the controlled side of the control 3 circuit, and the positive power end of the voltage detection relay MK6 is connected with the controlled side of the control 4 circuit;
the measured positive voltage input end of the voltage detection relay MK1, the measured positive voltage input end of the voltage detection relay MK2, the measured positive voltage input end of the voltage detection relay MK3 and the measured positive voltage input end of the voltage detection relay MK6 are connected in parallel with the sliding end of the potentiometer T,
the normally open ends of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3 and the voltage detection relay MK6 are connected with a coil KM1-1 of the contactor KM1 through an intermediate relay KB;
a positive power supply end of the voltage detection relay MK4 is connected with a positive power supply end of the voltage detection relay MK2, and a detected positive voltage end of the voltage detection relay MK4 is connected with a detected positive voltage end of the voltage detection relay MK 2;
a positive power supply end of the voltage detection relay MK5 is connected with a positive power supply end of the voltage detection relay MK3, and a detected positive voltage end of the voltage detection relay MK5 is connected with a detected positive voltage end of the voltage detection relay MK 3;
the normally open ends of the voltage detection relay MK4, the voltage detection relay MK5 and the voltage detection relay MK6 are connected to the coil KM2-1 of the contactor KM2 through an intermediate relay KC.
Preferably, the motor forward and reverse rotation control circuit comprises a thermal relay FR, a fuse FU1 and a fuse FU2, one end of a main contact of the contactor KM1 is connected with a motor winding through the thermal relay FR after being connected with a main contact of the contactor KM2 in parallel, the other end of the main contact is connected with a three-phase alternating current power supply through the fuse FU1, one end of a dynamic break contact of the thermal relay FR is connected with one phase of the three-phase alternating current power supply, the other end of the dynamic break contact is connected with a stop switch SB1, the other end of the stop switch SB1 is connected with a normally open contact KB-1 of an intermediate relay KB and a normally open contact KC-1 of an intermediate relay KC, the other end of the normally open contact KB-1 of the intermediate relay KB is connected with an interlocking contact KM2-2 of the contactor KM2, the other end of the interlocking contact KM2-2 of the contactor KM2 is connected with one end of a coil KM1-1 2, the other end of the interlocking contact KM1-2 of the contactor KM1 is connected with one end of a coil KM2-1 of the contactor KM2, and the other end of the coil KM1-1 of the contactor KM1 is connected with the other end of a coil KM2-2 of the contactor KM2 in parallel and then connected with the other phase of the three-phase alternating current power supply in series.
Preferably, the main contact of the contactor KM1 is connected to control the motor to rotate forward, and the main contact of the contactor KM2 is connected to control the motor to rotate backward.
Preferably, the common terminal COM of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3 and the voltage detection relay MK6 are connected in parallel and then connected to the 12V power supply, the normally open terminals of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3 and the voltage detection relay MK6 are connected to the coil of the relay KB for controlling power supply, and the normally open contact KB-1 of the intermediate relay KB closes to control power supply of the coil KM1-1 of the contactor KM 1.
Preferably, the common terminal COM of the voltage detection relay MK4, the voltage detection relay MK5 and the voltage detection relay MK6 are connected in parallel and then connected with the 12V power supply, the normally open ends of the voltage detection relays MK4 and MK5 and the voltage detection relay MK6 are conducted to control the coil KC coil to be electrified and pulled in, and the normally open contact of the intermediate relay KC is closed to control the coil KM2-1 of the contactor KM2 to be electrified.
Preferably, a relay KA11 is connected between the positive power source terminal of the voltage detection relay MK1 and the controlled side of the control 1 line, a relay KA21 is connected between the positive power source terminal of the voltage detection relay MK2 and the controlled side of the control 2 line, a relay KA31 is connected between the positive power source terminal of the MK3 and the controlled side of the control 3 line, and a relay KA41 is connected between the positive power source terminal of the voltage detection relay MK6 and the controlled side of the control 4 line.
Preferably, a relay KA12 is connected between the measured positive voltage input terminal of the voltage detection relay MK1 and the sliding terminal of the potentiometer T, a relay KA22 is connected between the measured positive voltage input terminal of the voltage detection relay MK2 and the sliding terminal of the potentiometer T, a relay KA32 is connected between the measured positive voltage input terminal of the voltage detection relay MK3 and the sliding terminal of the potentiometer T, and a relay KA42 is connected between the measured positive voltage input terminal of the voltage detection relay MK6 and the sliding terminal of the potentiometer T.
The utility model discloses a remove the rising and the decline of end cooperation four grades of stroke control power remote control floodgate, can deal with the processing by the very first time when emergency, reduced the probability that the accident took place, its operation mode is swift, convenient, need not go field operation, has improved work efficiency.
Drawings
FIG. 1 is a schematic diagram of a WiFi four-way interlock switch circuit;
FIG. 2 is a schematic diagram of a voltage sensing relay control;
FIG. 3 is a schematic diagram of a motor forward and reverse rotation control circuit;
fig. 4 is a schematic diagram of a voltage detection relay.
Fig. 5 is a graph showing a relationship between the stroke of the shutter and the set voltage of the voltage detection relay.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings of the specification:
as shown in fig. 1 to 5, a water gate four-gear stroke remote control device is characterized in that: the device comprises a four-gear stroke control circuit, a motor forward and reverse rotation control circuit, a motor connected with the motor forward and reverse rotation control circuit, and a gate in transmission connection with the motor, wherein the motor drives the gate to ascend and descend, the motor forward and reverse rotation control circuit comprises a contactor KM1 for controlling the motor to rotate forward and a contactor KM2 for controlling the motor to rotate reversely,
the gate is connected with a pull rope displacement sensor, the pull rope displacement sensor comprises a potentiometer T, and the potentiometer T acquires a voltage signal of the rising or falling of the gate;
the four-gear stroke control circuit comprises a four-gear WiFi interlocking switch and a voltage detection module;
the four-gear WiFi interlocking switch is connected with a mobile terminal through network communication and comprises a control 1 path, a control 2 path, a control 3 path and a control 4 path which are connected with a 12V positive power supply in parallel;
the voltage detection module comprises a voltage detection relay MK1, a voltage detection relay MK2, a voltage detection relay MK3, a voltage detection relay MK4, a voltage detection relay MK5 and a voltage detection relay MK6,
the positive power end of the voltage detection relay MK1 is connected with the controlled side of the control 1 circuit, the positive power end of the voltage detection relay MK2 is connected with the controlled side of the control 2 circuit, the positive power end of the voltage detection relay MK3 is connected with the controlled side of the control 3 circuit, and the positive power end of the voltage detection relay MK6 is connected with the controlled side of the control 4 circuit;
the measured positive voltage input end of the voltage detection relay MK1, the measured positive voltage input end of the voltage detection relay MK2, the measured positive voltage input end of the voltage detection relay MK3 and the measured positive voltage input end of the voltage detection relay MK6 are connected in parallel with the sliding end of the potentiometer T,
the normally open ends of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3 and the voltage detection relay MK6 are connected with a coil KM1-1 of the contactor KM1 through an intermediate relay KB;
a positive power supply end of the voltage detection relay MK4 is connected with a positive power supply end of the voltage detection relay MK2, and a detected positive voltage end of the voltage detection relay MK4 is connected with a detected positive voltage end of the voltage detection relay MK 2;
a positive power supply end of the voltage detection relay MK5 is connected with a positive power supply end of the voltage detection relay MK3, and a detected positive voltage end of the voltage detection relay MK5 is connected with a detected positive voltage end of the voltage detection relay MK 3;
the normally open ends of the voltage detection relay MK4, the voltage detection relay MK5 and the voltage detection relay MK6 are connected to the coil KM2-1 of the contactor KM2 through an intermediate relay KC.
The motor forward and reverse rotation control circuit comprises a thermal relay FR, a fuse FU1 and a fuse FU2, one end of a main contact of the contactor KM1 is connected with a motor winding through the thermal relay FR after being connected with a main contact of the contactor KM2 in parallel, the other end of the main contact is connected with a three-phase alternating current power supply through the fuse FU 4834, one end of a dynamic break contact of the thermal relay FR is connected with one phase of the three-phase alternating current power supply, the other end of the dynamic break contact is connected with a stop switch SB1, the other end of the stop switch SB1 is connected with a normally open contact KB-1 of an intermediate relay KB and a normally open contact KC 865-1 of the intermediate relay KB, the other end of the normally open contact KB-1 of the intermediate relay KB is connected with an interlocking contact KM2-2 of the contactor KM2, the other end of the interlocking contact KM2-2 of the contactor KM2 is connected with one end of a coil KM1-1 of The other end of the interlocking contact KM1-2 of the contactor KM1 is connected with one end of a coil KM2-1 of the contactor KM2, and the other end of the coil KM1-1 of the contactor KM1 and the other end of the coil KM2-2 of the contactor KM2 are connected in parallel and then connected in series with the other phase of the three-phase alternating current power supply.
The main contact of the contactor KM1 is connected to control the motor to rotate forward, and the main contact of the contactor KM2 is connected to control the motor to rotate backward.
The common end COM of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3 and the voltage detection relay MK6 is connected in parallel and then connected with the 12V power supply, the normally-open ends of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3 and the voltage detection relay MK6 are connected with the coil of the conduction control relay KB to be electrified and pulled in, and the normally-open contact KB-1 of the intermediate relay KB is closed to control the coil KM1-1 of the contactor KM1 to be electrified.
The common end COM of the voltage detection relay MK4, the voltage detection relay MK5 and the voltage detection relay MK6 is connected in parallel and then is connected with the 12V power supply, the normally-open ends of the voltage detection relays MK4 and MK5 and the voltage detection relay MK6 are conducted to control the coil KC to be electrified and attracted, and the normally-open contact of the intermediate relay KC is closed to control the coil KM2-1 of the contactor KM2 to be electrified.
The relay KA11 is connected between the positive power source end of the voltage detection relay MK1 and the controlled side of the control 1 circuit, the relay KA21 is connected between the positive power source end of the voltage detection relay MK2 and the controlled side of the control 2 circuit, the relay KA31 is connected between the positive power source end of the voltage detection relay MK3 and the controlled side of the control 3 circuit, and the relay KA41 is connected between the positive power source end of the voltage detection relay MK6 and the controlled side of the control 4 circuit. (the negative electrodes of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3, the voltage detection relay MK4, the voltage detection relay MK5 and the voltage detection relay MK6 are connected in parallel and then connected with a zero line; and a normally closed end NC is suspended).
The relay KA12 is connected between the measured positive voltage input end of the voltage detection relay MK1 and the sliding end of the potentiometer T, the relay KA22 is connected between the measured positive voltage input end of the voltage detection relay MK2 and the sliding end of the potentiometer T, the relay KA32 is connected between the measured positive voltage input end of the voltage detection relay MK3 and the sliding end of the potentiometer T, and the relay KA42 is connected between the measured positive voltage input end of the voltage detection relay MK6 and the sliding end of the potentiometer T.
The working principle is as follows: the user moving end is in communication connection with the WIFI four-way interlocking switch through a network, the 1-way control relay KA11 is controlled to be conducted through the WIFI four-way interlocking switch, and then the normally open end of the voltage detection relay MK1 is controlled to be opened and closed; the control 2-way control relay KA21 of the WIFI four-way interlocking switch is conducted, and then the opening and the closing of the normally open end of the voltage detection relay MK2 are controlled or the opening and the closing of the normally open end of the voltage detection relay MK4 are controlled;
when the normally open end of the voltage detection relay MK1 is in a pull-in state, the coil of the intermediate relay KB is electrified and pulled in, the normally open contact KB-1 of the intermediate relay KB is closed, the coil KM1-1 of the contactor KM1 is electrified, the main contact of the contactor KM1 is electrified and pulled in, the motor positively rotates to link the gate to ascend, the potentiometer T on the pull rope displacement sensor generates voltage change and feeds the voltage change back to the positive voltage input end of the voltage detection relay MK1, and the voltage detection relay MK1 is set with reference voltages V1 and V2; when the voltage value fed back by the potentiometer T is the same as the reference voltage V1, and the normally-open end of the voltage detection relay MK1 is in the off state, the coil of the intermediate relay KB is powered off, the normally-open contact of the intermediate relay KB is disconnected, the coil KM1-1 of the contactor KM1 is powered off, the main contact of the contactor KM1 is disconnected, and the motor stops running;
when the normally open end of the voltage detection relay MK2 is in a pull-in state, the coil of the intermediate relay KB is electrified and pulled in, the normally open contact KB-1 of the intermediate relay KB is closed, the coil KM1-1 of the contactor KM1 is electrified, the main contact of the contactor KM1 is electrified and pulled in, the motor positively rotates to link the gate to ascend, the potentiometer T on the pull rope displacement sensor generates voltage change and feeds the voltage change back to the positive voltage input end of the voltage detection relay MK2, and the voltage detection relay MK2 is set with reference voltages V1 and V2; when the voltage value fed back by the potentiometer T is the same as the reference voltage V1, and the normally-open end of the voltage detection relay MK2 is in the off state, the coil of the intermediate relay KB is powered off, the normally-open contact of the intermediate relay KB is disconnected, the coil KM1-1 of the contactor KM1 is powered off, the main contact of the contactor KM1 is disconnected, and the motor stops running;
when the normally open end of the voltage detection relay MK3 is in a pull-in state, the coil of the intermediate relay KB is electrified and pulled in, the normally open contact KB-1 of the intermediate relay KB is closed, the coil KM1-1 of the contactor KM1 is electrified, the main contact of the contactor KM1 is electrified and pulled in, the motor positively rotates to link the gate to ascend, the potentiometer T on the pull rope displacement sensor generates voltage change and feeds the voltage change back to the positive voltage input end of the voltage detection relay MK3, and the voltage detection relay MK3 is set with reference voltages V1 and V2; when the voltage value fed back by the potentiometer T is the same as the reference voltage V1, and the normally-open end of the voltage detection relay MK3 is in the off state, the coil of the intermediate relay KB is powered off, the normally-open contact of the intermediate relay KB is disconnected, the coil KM1-1 of the contactor KM1 is powered off, the main contact of the contactor KM1 is disconnected, and the motor stops running;
when the normally open end of the voltage detection relay MK4 is in an attraction state, a coil of an intermediate relay KC is electrified and attracted, a normally open contact KC-1 of the intermediate relay KC is closed, a coil KM2-1 of a contactor KM2 is electrified, a main contact of the contactor KM2 is electrified and attracted, a motor is reversely linked with a gate to descend, a potentiometer T on a pull rope displacement sensor generates voltage change and feeds the voltage change back to a positive voltage input end to be detected of the voltage detection relay MK4, and reference voltages V1 and V2 are set in the voltage detection relay MK 4; when the voltage value fed back by the potentiometer T is the same as the reference voltage V1, and the normally-open end of the voltage detection relay MK4 is in the off state, the coil of the intermediate relay KC is powered off, the normally-open contact of the intermediate relay KC is disconnected, the coil KM2-1 of the contactor KM2 is powered off, the main contact of the contactor KM2 is disconnected, and the motor stops running;
when the normally open end of the voltage detection relay MK5 is in an attraction state, a coil of an intermediate relay KC is electrified and attracted, a normally open contact KC-1 of the intermediate relay KC is closed, a coil KM2-1 of a contactor KM2 is electrified, a main contact of the contactor KM2 is electrified and attracted, a motor is reversely linked with a gate to descend, a potentiometer T on a pull rope displacement sensor generates voltage change and feeds the voltage change back to a positive voltage input end to be detected of the voltage detection relay MK5, and reference voltages V1 and V2 are set in the voltage detection relay MK 5; when the voltage value fed back by the potentiometer T is the same as the reference voltage V1, and the normally-open end of the voltage detection relay MK5 is in the off state, the coil of the intermediate relay KC is powered off, the normally-open contact of the intermediate relay KC is disconnected, the coil KM2-1 of the contactor KM2 is powered off, the main contact of the contactor KM2 is disconnected, and the motor stops running;
when the normally open end of the voltage detection relay MK5 is in an attraction state, a coil of an intermediate relay KC is electrified and attracted, a normally open contact KC-1 of the intermediate relay KC is closed, a coil KM2-1 of a contactor KM2 is electrified, a main contact of the contactor KM2 is electrified and attracted, a motor is reversely linked with a gate to descend, a potentiometer T on a pull rope displacement sensor generates voltage change and feeds the voltage change back to a positive voltage input end to be detected of the voltage detection relay MK5, and reference voltages V1 and V2 are set in the voltage detection relay MK 5; when the voltage value fed back by the potentiometer T is the same as the reference voltage V1, and the normally-open end of the voltage detection relay MK5 is in the off state, the coil of the intermediate relay KC is powered off, the normally-open contact of the intermediate relay KC is disconnected, the coil KM2-1 of the contactor KM2 is powered off, the main contact of the contactor KM2 is disconnected, and the motor stops running.
Principle analysis:
forward rotation: when the voltage is lower than the voltage V1, the relay is closed, and when the voltage is higher than V2, the relay is opened;
reversing: when the voltage is measured to be higher than the voltage V2, the relay is closed, and when the voltage is lower than the voltage V1, the relay is opened;
the voltage V1, the voltage V2 (voltage V1 is less than V2) and the corresponding displacement of the gate are set according to actual conditions, referring to figure 5,
note that: the voltages V1 and V2 set voltages of the voltage detection relay module MK1, the voltage detection relay module MK2, the voltage detection relay module MK3, the voltage detection relay module MK4, the voltage detection relay module MK5 and the voltage detection relay module MK6 may have other values.
The operation is divided into two states:
the gate rises: for example, when the current travel is 1.0m (2.5V), if the current travel is to be increased to 4m (10.0V), the control 1 path of the four-path WiFi interlocking switch is closed, and the voltage detection relay MK1 is powered to operate; MK1 judges that the valve is closed at the normally open end, when the gate rises, the voltage detected by the pull rope displacement sensor rises, and when the detected voltage rises to 10.0V, the valve is stopped.
The gate descends: for example, when the current travel is 2.5m (6.25V), if the current travel is reduced to 1.0m (2.5V), 3 control paths of the four-path WiFi interlocking switch are closed, the voltage detection relays MK3 and MK5 are powered on to operate, the MK3 judges that the normally open end is disconnected, and the MK5 judges that the normally open end is attracted; when the gate descends, the pull rope transfer sensor detects the voltage drop, and the machine is stopped when the detected voltage drops to 2.54V.
The utility model discloses a remove the rising and the decline of end cooperation four grades of stroke control power remote control floodgate, can deal with the processing by the very first time when emergency, reduced the probability that the accident took place, its operation mode is swift, convenient, need not go field operation, has improved work efficiency.
It should be noted that the above list is only one specific embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications can be made, and in short, all modifications that can be directly derived or suggested by the person skilled in the art from the disclosure of the present invention should be considered as the protection scope of the present invention.
Claims (7)
1. The utility model provides a floodgate four grades of stroke remote control devices which characterized in that: the device comprises a four-gear stroke control circuit, a motor forward and reverse rotation control circuit, a motor connected with the motor forward and reverse rotation control circuit, and a gate in transmission connection with the motor, wherein the motor drives the gate to ascend and descend, the motor forward and reverse rotation control circuit comprises a contactor KM1 for controlling the motor to rotate forward and a contactor KM2 for controlling the motor to rotate reversely,
the gate is connected with a pull rope displacement sensor, the pull rope displacement sensor comprises a potentiometer T, and the potentiometer T acquires a voltage signal of the rising or falling of the gate;
the four-gear stroke control circuit comprises a four-gear WiFi interlocking switch and a voltage detection module;
the four-gear WiFi interlocking switch is connected with a mobile terminal through network communication and comprises a control 1 path, a control 2 path, a control 3 path and a control 4 path which are connected with a 12V positive power supply in parallel;
the voltage detection module comprises a voltage detection relay MK1, a voltage detection relay MK2, a voltage detection relay MK3, a voltage detection relay MK4, a voltage detection relay MK5 and a voltage detection relay MK6,
the positive power end of the voltage detection relay MK1 is connected with the controlled side of the control 1 circuit, the positive power end of the voltage detection relay MK2 is connected with the controlled side of the control 2 circuit, the positive power end of the voltage detection relay MK3 is connected with the controlled side of the control 3 circuit, and the positive power end of the voltage detection relay MK6 is connected with the controlled side of the control 4 circuit;
the measured positive voltage input end of the voltage detection relay MK1, the measured positive voltage input end of the voltage detection relay MK2, the measured positive voltage input end of the voltage detection relay MK3 and the measured positive voltage input end of the voltage detection relay MK6 are connected in parallel with the sliding end of the potentiometer T,
the normally open ends of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3 and the voltage detection relay MK6 are connected with a coil KM1-1 of the contactor KM1 through an intermediate relay KB;
a positive power supply end of the voltage detection relay MK4 is connected with a positive power supply end of the voltage detection relay MK2, and a detected positive voltage end of the voltage detection relay MK4 is connected with a detected positive voltage end of the voltage detection relay MK 2;
a positive power supply end of the voltage detection relay MK5 is connected with a positive power supply end of the voltage detection relay MK3, and a detected positive voltage end of the voltage detection relay MK5 is connected with a detected positive voltage end of the voltage detection relay MK 3;
the normally open ends of the voltage detection relay MK4, the voltage detection relay MK5 and the voltage detection relay MK6 are connected to the coil KM2-1 of the contactor KM2 through an intermediate relay KC.
2. The remote control device for the four-gear stroke of the water gate according to claim 1, wherein the control circuit for the forward and reverse rotation of the motor comprises a thermal relay FR, a fuse FU1 and a fuse FU2, the main contact of the contactor KM1 is connected with the main contact of the contactor KM2 in parallel, one end of the main contact is connected with the motor winding through the thermal relay FR, the other end of the main contact is connected with a three-phase alternating current power supply through the fuse FU1, one end of the dynamic break contact of the thermal relay FR is connected with one phase of the three-phase alternating current power supply, the other end of the dynamic break contact is connected with a stop switch SB1, the other end of the stop switch SB1 is connected with the normally open contact KB-1 of an intermediate relay KB and the normally open contact KC-1 of an intermediate relay KC, the other end of the normally open contact KB-1 of the intermediate relay KB-1 is connected with the interlock contact KM2-2 of the contactor KM2, the other end of, the other end of a normally open contact KC-1 of the intermediate relay KC is connected with an interlocking contact KM1-2 of the contactor KM1, the other end of an interlocking contact KM1-2 of the contactor KM1 is connected with one end of a coil KM2-1 of the contactor KM2, and the other end of the coil KM1-1 of the contactor KM1 and the other end of the coil KM2-2 of the contactor KM2 are connected in parallel and then connected in series with the other phase of the three-phase alternating current power supply.
3. The device as claimed in claim 2, wherein the main contact of the contactor KM1 is turned on to control the motor to rotate forward, and the main contact of the contactor KM2 is turned on to control the motor to rotate backward.
4. The floodgate four-gear stroke remote control device according to claim 1, wherein the common terminal COM of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3 and the voltage detection relay MK6 are connected in parallel and then connected to the 12V power supply, the normally open terminals of the voltage detection relay MK1, the voltage detection relay MK2, the voltage detection relay MK3 and the voltage detection relay MK6 are connected to control the coil KB 1-1 of the contactor KM1 to be powered on and closed by the normally open contact KB-1 of the intermediate relay KB.
5. The device for remotely controlling the four-gear stroke of the water gate as claimed in claim 1, wherein the common terminal COM of the voltage detection relay MK4, the voltage detection relay MK5 and the voltage detection relay MK6 are connected in parallel and then connected with the 12V power supply, the normally open terminals of the voltage detection relays MK4, MK5 and the voltage detection relay MK6 are conducted to control the coil KC to be electrified and attracted, and the normally open contact of the intermediate relay KC is closed to control the coil KM2-1 of the contactor KM2 to be electrified.
6. The device as claimed in claim 4, wherein a relay KA11 is connected between the positive power supply end of the voltage detection relay MK1 and the controlled side of the control 1 circuit, a relay KA21 is connected between the positive power supply end of the voltage detection relay MK2 and the controlled side of the control 2 circuit, a relay KA31 is connected between the positive power supply end of the voltage detection relay MK3 and the controlled side of the control 3 circuit, and a relay KA41 is connected between the positive power supply end of the voltage detection relay MK6 and the controlled side of the control 4 circuit.
7. The device as claimed in claim 4, wherein the relay KA12 is connected between the measured positive voltage input terminal of the voltage detection relay MK1 and the sliding terminal of the potentiometer T, the relay KA22 is connected between the measured positive voltage input terminal of the voltage detection relay MK2 and the sliding terminal of the potentiometer T, the relay KA32 is connected between the measured positive voltage input terminal of the voltage detection relay MK3 and the sliding terminal of the potentiometer T, and the relay KA42 is connected between the measured positive voltage input terminal of the voltage detection relay MK6 and the sliding terminal of the potentiometer T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371101.4U CN211571633U (en) | 2019-08-22 | 2019-08-22 | Sluice four-gear stroke remote control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371101.4U CN211571633U (en) | 2019-08-22 | 2019-08-22 | Sluice four-gear stroke remote control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211571633U true CN211571633U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921371101.4U Active CN211571633U (en) | 2019-08-22 | 2019-08-22 | Sluice four-gear stroke remote control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211571633U (en) |
-
2019
- 2019-08-22 CN CN201921371101.4U patent/CN211571633U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221009 Address after: 315400 No.1 D26, No. 88, Chengdong Road, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Yuyao Jianghe water conservancy Architectural Design Co.,Ltd. Address before: 315400 Yuyao River Water Conservancy Design Company, D26, Building 1, No. 88, Chengdong Road, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Chen Qihong Patentee before: Tong Minjuan |
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| TR01 | Transfer of patent right |