CN213521717U - Electric actuator operating device and control system - Google Patents
Electric actuator operating device and control system Download PDFInfo
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- CN213521717U CN213521717U CN202022089216.3U CN202022089216U CN213521717U CN 213521717 U CN213521717 U CN 213521717U CN 202022089216 U CN202022089216 U CN 202022089216U CN 213521717 U CN213521717 U CN 213521717U
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Abstract
The utility model relates to an electric actuator operating means and control system. The electric actuating mechanism control system comprises an electric actuating mechanism control loop, a switchboard side switch control loop and an electric actuating mechanism operating device; the electric actuator operating device is connected between the first power supply on the panel side and the electric actuator control loop in a pluggable and serial manner, and the first power supply on the panel side is provided for the panel side switch control loop through the electric actuator operating device and the electric actuator control loop, so that the operation requirement of starting and stopping the valve at any time is met, the limitation and complexity of telephone communication are eliminated, the risk of human errors such as information transmission and the like is reduced, the working flow is simplified, the input quantity of single maintenance workers is reduced, and the maintenance time is shortened; in addition, the device is beneficial to shortening the working time, greatly reduces the irradiation dose of personnel and reduces the potential safety hazard.
Description
Technical Field
The utility model relates to a valve system debugs technical field, especially relates to an electric actuator operating means and control system.
Background
The Bernard and Yangshui mechanical electric actuating mechanism is widely applied to an important valve system of a nuclear island of a nuclear power plant, the usability of the Bernard and Yangshui mechanical electric actuating mechanism is directly related to nuclear safety, and the Bernard and Yangshui mechanical electric actuating mechanism is an important guarantee of the nuclear safety. The mechanical electric actuator is widely applied to the electric isolating valves of RCV/RIS/EAS systems of multi-base multi-unit systems such as Yangjiang, Ningde, Hongda river, urban defense harbor, Taishan mountain and the like.
The control power supply and the power supply of the Bonnet and Yangtze repair mechanical electric actuating mechanism are connected in a PJ plug closed type mode, foreign matters are effectively prevented from being connected inside a junction box, local switch valve operation of the actuating mechanism cannot be realized due to a sealing structure of the PJ plug closed type connection, a control area is required to be in telephone communication with two places of an upstream power supply panel cabinet of an electric LX factory building in a debugging process, and a remote valve is realized in the LX factory building.
The work flow increases the maintenance workload of the electric actuating mechanism, inevitably prolongs the debugging time, is complicated in maintenance flow and has the uncontrollable risk of remote operation of the electric actuating mechanism which is not debugged. Meanwhile, the environmental dose rate of a control area is high, surface pollution exists in a part of areas, and the exposure dose of personnel is increased meaninglessly due to the increased overhaul time of telephone communication and matching operation, so that the contamination risk of the personnel is increased, and potential safety hazards are generated.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides an electric actuator operating means and control system for realize carrying out the meticulous operation of electric actuator ooff valve by equipment, and then accelerate work efficiency, eliminate the work hidden danger.
The utility model provides an electric actuator control system, which comprises an electric actuator control loop, a panel side switch control loop and an electric actuator operating device;
the electric actuator operating device is connected in series between the switchboard side first power supply and the electric actuator control loop in a pluggable manner, and the switchboard side first power supply is supplied to the switchboard side switch control loop through the electric actuator operating device and the electric actuator control loop.
In one embodiment, the electric actuator operating device includes a switch operating circuit;
the switch operation loop is connected in series between the panel side first power supply and the electric actuator control loop and provides the panel side first power supply to one input end of the electric actuator control loop.
In one embodiment, the switch-operating circuit comprises:
the switch control selection switch comprises a movable end and two immovable ends, wherein the movable end of the switch control selection switch is connected with the first power supply on the side of the distribution panel; and
the positive and negative rotation selection control switch comprises two movable ends and two groups of immovable ends, wherein the first movable end of the positive and negative rotation selection control switch is connected with the first immovable end of the switch control selection switch, the second movable end of the positive and negative rotation selection control switch is connected with the second immovable end of the switch control selection switch, and the two groups of immovable ends are respectively connected with two input ends of a control loop of the electric actuating mechanism.
In one embodiment, the switch control selection switch is a single-pole double-throw switch, and the forward and reverse rotation selection control switch is a double-pole double-throw switch.
In one embodiment, the panel-side switch control loop comprises:
the primary control circuit is connected in series between the first power supply on the side of the distribution board and the electric actuator operating device; and
and the secondary control circuit is connected between the second power supply on the side of the distribution panel and the electric actuating mechanism operating device in series, and controls the conduction state of the secondary control circuit through the primary control circuit.
In one embodiment, the primary control circuit comprises coils of a first relay and a second relay and a normally closed contact group;
wherein the coil of the first relay and the normally closed contact group of the second relay are connected in series between the switchboard-side first power supply and the electric actuator operating device; the coil of the second relay and the normally closed contact group of the first relay are connected in series between the first power supply on the switchboard side and the electric actuator operating device.
In one embodiment, the secondary control circuit comprises normally open contact sets of the first and second relays, coils of first and second contactors, and normally closed contact sets of the first and second contactors;
wherein, the normally open contact group of first relay the normally closed contact group of first contactor and the coil of second contactor is established ties between the positive negative pole of panel side second power, the normally open contact group of second relay the normally closed contact group of second contactor and the coil of first contactor is established ties between the positive negative pole of panel side second power.
In one embodiment, the electric actuator control system further comprises a power supply circuit comprising: the normally open node of first contactor of establishing ties between power supply and electric actuator power supply input end and establish ties power supply with between the electric actuator power supply input end the normally open node of second contactor.
In one embodiment, the electric actuator operating device further comprises two feedback loops, and the electric actuator control system further comprises two sets of feedback switches;
the first feedback loop is connected between the first power supply on the switchboard side and a first group of feedback switches in series, and the first power supply on the switchboard side is provided for the indicating circuit on the switchboard side through the first feedback loop and the first group of feedback switches; the second feedback loop is connected in series between the first power supply on the distribution board side and the second group of feedback switches, and the first power supply on the distribution board side is provided for the master control indicating circuit through the second feedback loop and the second group of feedback switches.
In one embodiment, the first feedback loop includes a first indication control switch and the second feedback circuit includes a second indication control switch.
Based on same design, the embodiment of the utility model provides a still provides an electric actuator operating means, including the on-off operation return circuit, the pluggable series connection of on-off operation return circuit is between switchboard side first power and electric actuator control circuit, will switchboard side first power provides an input among the electric actuator control circuit.
In one embodiment, the switch-operating circuit comprises:
the switch control selection switch comprises a movable end and two immovable ends, wherein the movable end of the switch control selection switch is connected with the first power supply on the side of the distribution panel; and
the positive and negative rotation selection control switch comprises two movable ends and two groups of immovable ends, wherein the first movable end of the positive and negative rotation selection control switch is connected with the first immovable end of the switch control selection switch, the second movable end of the positive and negative rotation selection control switch is connected with the second immovable end of the switch control selection switch, and the two groups of immovable ends are respectively connected with two input ends of a control loop of the electric actuating mechanism.
In one embodiment, the electric actuator operating device further comprises two feedback loops;
the first feedback loop is connected between the first power supply on the switchboard side and a first group of feedback switches in the electric actuating mechanism control system in series, and the first power supply on the switchboard side is provided for the indicating circuit on the switchboard side through the first feedback loop and the first group of feedback switches; the second feedback loop is connected in series between the first power supply on the side of the distribution board and a second group of feedback switches in the electric actuating mechanism control system, and the first power supply on the side of the distribution board is provided for the master control indicating circuit through the second feedback loop and the second group of feedback switches.
To sum up, the utility model provides an electric actuator operating means and control system. The electric actuating mechanism control system comprises an electric actuating mechanism control loop, a switchboard side switch control loop and an electric actuating mechanism operating device; the electric actuator operating device is connected in series between the switchboard side first power supply and the electric actuator control loop in a pluggable manner, and the switchboard side first power supply is supplied to the switchboard side switch control loop through the electric actuator operating device and the electric actuator control loop. The embodiment of the utility model provides an among the actuating mechanism control system moves, can realize starting at any time and stop the operation demand of valve through electric actuator operating means, save limitation and the complexity that the phone communicates, reduced people such as information transfer because of the error risk, simplified work flow, reduce single maintenance work personnel and drop into quantity, shortened maintenance time, fundamentally has reduced cost of maintenance and has saved the maintenance route, has both guaranteed maintenance quality, the while has also improved maintenance efficiency. In addition, the device is beneficial to shortening the working time, greatly reduces the irradiation dose of personnel and reduces the potential safety hazard.
Drawings
Fig. 1 is a schematic circuit diagram of an embodiment of the present invention, which provides an electric actuator control system.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
Referring to fig. 1, an embodiment of the present invention provides an electric actuator control system, which includes an electric actuator control circuit 10, a panel side switch control circuit 20, and an electric actuator operating device 30; wherein the electric actuator operating device 30 is pluggable and serially connected between the panel-side first power source VDC1 and the electric actuator control circuit 10, and the panel-side first power source VDC1 is supplied to the panel-side switch control circuit 20 through the electric actuator operating device 30 and the electric actuator control circuit 10.
In the embodiment, the embedded access design does not damage the original closed structure and function of the equipment; the middle soft connection ensures that the original PJ plug can not be stressed by an external access device, and the safety of the original structure is ensured. Moreover, the operation device 30 of the electric actuating mechanism can meet the operation requirements of starting and stopping the valve at any time, thereby saving the limitation and complexity of telephone communication, reducing the risk of human errors such as information transmission, simplifying the working process, reducing the input quantity of single maintenance workers, shortening the maintenance time, fundamentally reducing the maintenance cost, saving the maintenance path, ensuring the maintenance quality and simultaneously improving the maintenance efficiency. In addition, the device is beneficial to shortening the working time, greatly reduces the irradiation dose of personnel and reduces the potential safety hazard.
In one embodiment, the electric actuator operating device 30 includes a switch operating circuit 310;
the switch operation circuit 310 is connected in series between the panel-side first power source VDC1 and the electric actuator control circuit 10, and supplies the panel-side first power source VDC1 to one input terminal of the electric actuator control circuit 10.
In this embodiment, the switch operation circuit 310 is connected in series between the panel-side first power source VDC1 and the electric actuator control circuit 10, the panel-side first power source VDC1 is provided to an input terminal of the electric actuator control circuit 10, and is returned to the panel-side control circuit by a connection wire of the electric actuator control circuit 10, so as to realize the switch control of the panel-side first-stage control circuit power source VDC1 (i.e., the panel-side first power source), and then the panel-side second-stage control circuit power source VDC2 (i.e., the panel-side second power source) and the power supply circuit are driven step by step, so as to realize the forward and reverse rotation of the electric actuator.
In one embodiment, the switch operation circuit 310 includes a switch control selection switch T01 and a forward/reverse rotation selection control switch T02.
The switch control selection switch T01 comprises a movable end and two fixed ends, wherein the movable end of the switch control selection switch T01 is connected with the first power VDC1 on the side of the power distribution panel.
The forward and reverse rotation selection control switch T02 comprises two movable ends and two groups of immobile ends, wherein the first movable end of the forward and reverse rotation selection control switch T02 is connected with the first immobile end of the switch control selection switch T01, the second movable end of the forward and reverse rotation selection control switch T02 is connected with the second immobile end of the switch control selection switch T01, and the two groups of immobile ends are respectively connected with two input ends of the electric actuator control loop 10.
It can be understood that the switch control selection switch T01 is used for controlling the on-off of the switch loop of the first-stage control loop 210 on the side of the switchboard to realize the switching action of the electric actuator; the forward and reverse rotation selection control switch T02 judges and selects the forward rotation and the reverse rotation of the electric actuating mechanism in the early debugging period of the electric actuating mechanism so as to lead the forward rotation and the reverse rotation of the electric actuating mechanism to be consistent with the action condition of the valve switch valve. In addition, the switch operation circuit 310 further includes a switch operation circuit 310 communicating connection for connecting the electric actuator switch control circuit and the switchboard side switch control circuit 20. In this embodiment, the switch operation circuit 310 is composed of a switch control selection switch T01, a forward/reverse rotation selection control switch T02, and a switch control circuit connection wire. The movable end of the switch control selection switch T01 is connected to the panel side first power VDC1, the first movable end of the forward/reverse rotation selection control switch T02 is connected to the first stationary end of the switch control selection switch T01 (indicating state "on" when connected to the stationary end of the switch control selection switch T01), the second movable end of the forward/reverse rotation selection control switch T02 is connected to the second stationary end of the switch control selection switch T01 (indicating state "off" when connected to the stationary end of the switch control selection switch T01), and the two stationary ends are respectively connected to two input ends of the electric actuator control circuit 10. Each set of stationary terminals includes one stationary terminal indicating the status "on" and one stationary terminal indicating the status "off".
The positive electrode of the first power supply VDC1 on the switchboard side is connected to the control loop of the electric actuating mechanism through the switch control selection switch T01 and the positive and negative rotation selection control switch T02 of the electric actuating mechanism operating device 30 (the equivalent circuit is O1/F1, and O1/F1 is a limit switch), and then the positive and negative rotation of the electric actuating mechanism is realized through the connection wire of the switch loop of the electric actuating mechanism operating device 30 and the connection wire back to the switchboard side switch control loop 20, and other switchboard side control loops and power source loops are gradually carried out.
In one embodiment, the switch control selection switch is a single-pole double-throw switch, and the forward and reverse rotation selection control switch is a double-pole double-throw switch.
By the case where the switch control selection switch T01 is selected to be off, that is, T01 (off) is closed, the panel-side first power source VDC1 should be able to perform a valve-closing operation by the switch control selection switch T01 (off) and the forward/reverse rotation selection control switch T02 (positive). Accordingly, when the switch control selection switch T01 is selected to be "on", that is, the switch T01 (on) is closed, the panel-side first power source VDC1 is switched between the switch control selection switch T01 (off) and the forward/reverse rotation selection control switch T02 (positive), and the valve opening operation is performed. If the action condition of the electric actuator does not conform to the expectation, the forward and reverse rotation selection control switch T02 is adjusted to be in reverse, namely, T02 (reverse) is closed, the switch control selection switch T01 is selected to be in OFF, namely, T01 (OFF) is closed, and the first power supply VDC1 on the switchboard side can realize valve closing operation through the switch control selection switch T01 (OFF) and the forward and reverse rotation selection control switch T02 (reverse); accordingly, by selecting "on" of the switch control selection switch T01, that is, closing the switch T01 (on), the panel-side first power source VDC1 can be operated to open the valve by the switch control selection switch T01 (on) and the forward/reverse rotation selection control switch T02 (reverse).
In one embodiment, the panel-side switch control loop 20 includes:
a primary control circuit 210 connected in series between the panel-side first power source VDC1 and the electric actuator operating device 30; and
and the secondary control circuit 220 is connected in series between the panel side second power source VDC2, and controls the conducting state of the secondary control circuit 220 through the primary control circuit 210.
In this embodiment, the switch control of the switchboard side primary control circuit 210 is realized by the switch control selection switch T01 and the forward/reverse rotation selection control switch T02, and then the switchboard side secondary control circuit 220 and the power supply circuit are driven step by step, so that forward/reverse rotation of the electric actuator is realized.
In one embodiment, the primary control circuit 210 includes coils of a first relay and a second relay and a set of normally closed contacts;
wherein a coil of the first relay (i.e., relay 001XF) and a normally closed contact group of the second relay (i.e., relay 001X0) are connected in series between the panel-side first power source VDC1 and the electric actuator operating device 30; the coil of the second relay and the normally closed contact group of the first relay are connected in series between the panel-side first power source VDC1 and the electric actuator operating device 30.
In one embodiment, the secondary control circuit 220 comprises the normally open contact sets of the first and second relays, the coils of the first contactor (i.e., contactor 001JA) and the second contactor (i.e., contactor 002JA), and the normally closed contact sets of the first and second contactors;
the normally open contact group of the first relay, the normally closed contact group of the first contactor and the coil of the second contactor are connected in series between the positive pole and the negative pole of the panel side second power VDC2, and the normally open contact group of the second relay, the normally closed contact group of the second contactor and the coil of the first contactor are connected in series between the positive pole and the negative pole of the panel side second power VDC 2.
In one embodiment, the electric actuator control system further comprises a power supply circuit comprising: the normally open node of first contactor of establishing ties between power supply and electric actuator power supply input end and establish ties power supply with between the electric actuator power supply input end the normally open node of second contactor.
In this embodiment, the process of implementing the valve closing operation includes:
first, the switch control selection switch T01 is selected to be off, that is, T01 (off) is closed, and the circuit of the panel-side first power source VDC1 is: VDC1+ -switch control selection switch T01 (OFF) -positive and negative rotation selection control switch T02 (positive) -internal equivalent circuit limit switch F1 of the electric actuator control loop 10 is conducted-an internal communication line of the operation device-a normally closed node of a relay 001XO is kept closed-a relay 001XF coil is charged to excite the relay 001 XF; at the moment, the normally closed node of the relay 001XF is disconnected, and the loop where the relay 001XO on the side of the power distribution panel is located is disconnected to achieve locking.
Secondly, in secondary control circuit 220, relay 001XF normally open node is closed, and the return circuit that panel side second power VDC2 is located is: VDC2+ -a closed relay 001XF normally open node-a contactor 001JA normally closed node-a contactor 002JA coil is electrified to excite the contactor 002JA, and the normally open node of the contactor 002JA in the power supply circuit is closed. And the normally closed node of the contactor 002JA is opened, and the second power supply VDC2 on the side of the distribution board in the secondary control loop on the side of the distribution board and the loop where the contactor 001JA is located are opened to realize locking.
Finally, a power supply 380VAC in the power supply circuit enables the electric actuator to act through a normally open node closed by 002 JA.
Correspondingly, the process of realizing the valve opening operation mainly comprises the following steps:
first, the switch control selection switch T01 is selected to be "on", that is, T01 (on) is closed, and the circuit of the panel-side first power source VDC1 is: VDC1+ -switch control selection switch T01 (on) -positive and negative rotation selection control switch T02 (positive) -limit switch O1 of the internal equivalent circuit of the electric actuator control loop 10-the internal communication line of the electric actuator operation device 30-the normally closed node of the relay 001 XF-the coil of the relay 001XO is electrified to excite the relay 001 XO; at the moment, the normally closed node of the relay 001XO is disconnected, and the circuit where the relay 001XF on the side of the power distribution panel is located is disconnected to achieve locking.
In the panel side secondary control circuit, relay 01XO normally opens the node closure, and panel side second voltage VDC2 place return circuit is: VDC2+ -the closed relay 001XO normally open node-the contactor 002JA normally closed node-the coil of the contactor 001JA charges, so that the 001JA is excited, and the contactor 001JA normally open node in the power supply loop is closed. At this time, the normally closed node of the contactor 001JA is opened, and the circuit where the panel-side secondary switch control circuit VDC2 and the contactor 002JA are located is opened to realize latching.
A power supply 380VAC in the power supply loop drives the electric actuator through a normally open node closed by a contactor 001JA, so that the electric actuator generates corresponding action.
After verifying whether the valve can be normally closed and opened, it is usually necessary to verify whether the valve switch setting is normal. Therefore, in the embodiment, the on/off position is set by setting the state of the equivalent circuit limit switch O1/F1 in the movable actuator, and when the electric actuator reaches the valve stroke on/off position in the next on/off action, the on/off control circuit of the VDC1 in the switchboard side primary control circuit 210 is disconnected, and then the VDC2 and the power supply circuit in the switchboard side secondary switch control circuit 220 are driven to be disconnected step by step, so that the stop operation of the electric actuator is realized, and whether the valve switch setting is normal or not is verified.
If the operation of the electric actuator does not match the expectation, for example, if the forward/reverse rotation selection control switch T01 selects "on", the electric actuator performs the valve closing operation, and at this time, the forward/reverse rotation selection control switch T02 needs to be selected "reverse" to close T02 (reverse). The switching control selection switch T01 (on)/T01 (off) is realized to control the interchange of the closing conditions of the relay 001X0 and the relay 001XF in the switchboard side primary control circuit 210, and then the interchange of the closing conditions of the contactor in the switchboard side secondary control circuit 220 and the contactor in the power supply circuit is driven step by step, so that the change of the action condition of the electric actuator is realized.
In one embodiment, the electric actuator operating device 30 further comprises two feedback loops, and the electric actuator control system further comprises two sets of feedback switches;
wherein a first feedback loop is connected in series between the panel side first power source VDC1 and a first set of feedback switches through which the panel side first power source VDC1 is provided to a panel side indicating circuit; the second feedback loop is connected in series between the panel side first power source VDC1 and a second group of feedback switches, and the panel side first power source VDC1 is provided to the master indication circuit through the second feedback loop and the second group of feedback switches.
In one embodiment, the first feedback loop includes a first indicating control switch K01 and the second feedback circuit includes a second indicating control switch.
In this embodiment, the electric actuator operating device 30 further includes two feedback loops, namely a first feedback loop 321 (or referred to as a signal feedback loop 1) and a second feedback loop 322 (or referred to as a signal feedback loop 2). The signal feedback loop 1 is composed of a first indication control switch K01 and a signal feedback communication connection wire. The positive pole of a switchboard side external control power supply VDC1 is connected to a first group of feedback switches (equivalent circuits 02/F2 and 02/F2 are limit switches) in an electric actuating mechanism through an operating device signal feedback loop 1 and a first indication control switch K01, and then is returned to a switchboard side switch indication (equivalent circuit: L1/L2) through a signal feedback communication connection wire, so that the display of the valve opening state of the switchboard side is realized.
Specifically, the first indication control switch K01 is used to control whether the signal feedback loop 1 is connected to the system. The panel-side equivalent circuit indicator lamp L1 is normally on. The current loop at this time is: VDC1+ -a first indication control switch K01-an internal equivalent circuit limit switch O2 of an electric actuator-an internal communication line of an operating device-a panel side equivalent circuit indicator lamp L1-a cathode of VDC1, and a panel side equivalent circuit indicator lamp L1 is normally on. When the limit switch O2 of the equivalent circuit in the electric actuator reaches the corresponding limit disconnection, the equivalent circuit indicator lamp L1 of the switchboard side loses the light and goes out.
The panel-side equivalent circuit indicator lamp L2 is normally on. The current loop at this time is: the positive pole of VDC1, a control switch K01, an internal equivalent circuit limit switch F2 of an electric actuating mechanism, an internal communication line of an operating device, a panel side equivalent circuit indicator lamp L2, a negative pole of VDC1 and a panel side equivalent circuit indicator lamp L2 are normally on. When the limit switch F2 of the equivalent circuit in the electric actuator reaches the corresponding limit disconnection, the equivalent circuit indicator lamp L2 of the switchboard side loses the light and goes out.
The signal feedback loop 2 is composed of a second indication control switch K02 and a signal feedback communication connection wire. The positive electrode of the first power supply VDC1 on the side of the distribution panel is connected to a second group of feedback switches (equivalent circuits 03/F3 and 03/F3 are limit switches) in the electric actuating mechanism through a signal feedback loop 2 and a second indication control switch K02, and then is connected back to the indication of the main control switch through a signal feedback communication wire (equivalent circuit: L3/L4), so that the display of the opening state of the main control valve is realized.
Specifically, the second indicator control switch K02 is used to control whether the signal feedback loop 2 is connected to the system. The master side equivalent circuit indicator lamp L3 is off. When the limit switch O3 of the equivalent circuit in the electric actuator is closed because of reaching the limit, the positive pole of the VDC1 indicates the valve state at the moment through a control switch K02, an equivalent circuit limit switch O3 in the electric actuator, an internal communication line of the operating device and a master control side equivalent circuit indicator lamp L3.
The master side equivalent circuit indicator lamp L4 is off. When the limit switch F3 of the equivalent circuit in the electric actuator is closed because of reaching the limit, the positive pole of the VDC1 indicates the valve state at the moment through the control switch K02, the limit switch F3 of the equivalent circuit in the electric actuator, the internal communication line of the operating device and the equivalent circuit indicator lamp L4 of the master control side.
Based on the same concept, the embodiment of the present invention further provides an electric actuator operating device 30, please continue to refer to fig. 1, the electric actuator operating device 30 includes a switch operating circuit 310, the switch operating circuit 310 is connected in series between the panel-side first power VDC1 and the electric actuator control circuit 10 in a pluggable manner, and the panel-side first power VDC1 is provided to an input end of the electric actuator control circuit 10.
In one embodiment, the switch operating circuit 310 includes:
the switch control selection switch comprises a movable end and two fixed ends, wherein the movable end of the switch control selection switch is connected with the first power VDC1 on the side of the distribution panel; and
the positive and negative rotation selection control switch comprises two movable ends and two groups of immovable ends, wherein the first movable end of the positive and negative rotation selection control switch is connected with the first immovable end of the switch control selection switch, the second movable end of the positive and negative rotation selection control switch is connected with the second immovable end of the switch control selection switch, and the two groups of immovable ends are respectively connected with two input ends of the electric actuating mechanism control loop 10.
In one embodiment, the electric actuator operating device 30 further includes two feedback loops;
wherein a first feedback loop is connected in series between the panel side first power source VDC1 and a first set of feedback switches in the electric actuator control system, the panel side first power source VDC1 being provided to a panel side indicating circuit through the first feedback loop and the first set of feedback switches; the second feedback loop is connected in series between the first power supply VDC1 on the side of the switch panel and a second group of feedback switches in the electric actuating mechanism control system, and the first power supply VDC1 on the side of the switch panel is provided for the main control indicating circuit through the second feedback loop and the second group of feedback switches.
To sum up, the utility model provides an electric actuator operating means 30 and control system. The electric actuator control system comprises an electric actuator control loop 10, a switchboard side switch control loop 20 and an electric actuator operating device 30; wherein the electric actuator operating device 30 is pluggable and serially connected between the panel-side first power source VDC1 and the electric actuator control circuit 10, and the panel-side first power source VDC1 is supplied to the panel-side switch control circuit 20 through the electric actuator operating device 30 and the electric actuator control circuit 10. The embodiment of the utility model provides an among the actuating mechanism control system moves, can realize starting at any time and stop the operation demand of valve through electric actuator operating means 30, the limitation and the complexity of telephone communication have been saved, people's because of error risks such as information transmission have been reduced, the work flow has been simplified, reduce single maintenance personnel and drop into quantity, the repair time has been shortened, fundamentally has reduced cost of maintenance and has saved the maintenance route, both guaranteed maintenance quality, maintenance efficiency has also been improved simultaneously. In addition, the device is beneficial to shortening the working time, greatly reduces the irradiation dose of personnel and reduces the potential safety hazard.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (13)
1. An electric actuator control system is characterized by comprising an electric actuator control loop, a switchboard side switch control loop and an electric actuator operating device;
the electric actuator operating device is connected in series between the switchboard side first power supply and the electric actuator control loop in a pluggable manner, and the switchboard side first power supply is supplied to the switchboard side switch control loop through the electric actuator operating device and the electric actuator control loop.
2. The electric actuator control system of claim 1, wherein the electric actuator operating device comprises a switch operating circuit;
the switch operation loop is connected in series between the panel side first power supply and the electric actuator control loop and provides the panel side first power supply to one input end of the electric actuator control loop.
3. The electric actuator control system of claim 2, wherein the switch operating circuit comprises:
the switch control selection switch comprises a movable end and two immovable ends, wherein the movable end of the switch control selection switch is connected with the first power supply on the side of the distribution panel; and
the positive and negative rotation selection control switch comprises two movable ends and two groups of immovable ends, wherein the first movable end of the positive and negative rotation selection control switch is connected with the first immovable end of the switch control selection switch, the second movable end of the positive and negative rotation selection control switch is connected with the second immovable end of the switch control selection switch, and the two groups of immovable ends are respectively connected with two input ends of a control loop of the electric actuating mechanism.
4. The electric actuator control system of claim 3, wherein the switch control selector switch is a single pole double throw switch and the forward and reverse rotation selector switch is a double pole double throw switch.
5. The electric actuator control system of claim 1, wherein the panel-side switch control loop comprises:
the primary control circuit is connected in series between the first power supply on the side of the distribution board and the electric actuator operating device; and
and the secondary control circuit is connected between the second power supplies on the side of the distribution panel in series and controls the conduction state of the secondary control circuit through the primary control circuit.
6. The electric actuator control system of claim 5, wherein the primary control circuit comprises coils of a first relay and a second relay and a set of normally closed contacts;
wherein the coil of the first relay and the normally closed contact group of the second relay are connected in series between the switchboard-side first power supply and the electric actuator operating device; the coil of the second relay and the normally closed contact group of the first relay are connected in series between the first power supply on the switchboard side and the electric actuator operating device.
7. The electric actuator control system of claim 6, wherein the secondary control circuit comprises a normally open set of contacts of the first and second relays, coils of first and second contactors, and a normally closed set of contacts of the first and second contactors;
wherein, the normally open contact group of first relay the normally closed contact group of first contactor and the coil of second contactor is established ties between the positive negative pole of panel side second power, the normally open contact group of second relay the normally closed contact group of second contactor and the coil of first contactor is established ties between the positive negative pole of panel side second power.
8. The electric actuator control system of claim 7, further comprising a power supply circuit, the power supply circuit comprising: the normally open node of first contactor of establishing ties between power supply and electric actuator power supply input end and establish ties power supply with between the electric actuator power supply input end the normally open node of second contactor.
9. The electric actuator control system of claim 2, wherein the electric actuator operating device further comprises two feedback loops, the electric actuator control system further comprising two sets of feedback switches;
the first feedback loop is connected between the first power supply on the switchboard side and a first group of feedback switches in series, and the first power supply on the switchboard side is provided for the indicating circuit on the switchboard side through the first feedback loop and the first group of feedback switches; the second feedback loop is connected in series between the first power supply on the distribution board side and the second group of feedback switches, and the first power supply on the distribution board side is provided for the master control indicating circuit through the second feedback loop and the second group of feedback switches.
10. The electric actuator control system of claim 9, wherein the first feedback loop comprises a first indication control switch and the second feedback circuit comprises a second indication control switch.
11. An electric actuator operating device comprising a switch operating circuit that is pluggable and pluggable in series between a panel-side first power source and an electric actuator control circuit, and that supplies the panel-side first power source to one input of the electric actuator control circuit.
12. The electric actuator operating device of claim 11, wherein the switch operating circuit comprises:
the switch control selection switch comprises a movable end and two immovable ends, wherein the movable end of the switch control selection switch is connected with the first power supply on the side of the distribution panel; and
the positive and negative rotation selection control switch comprises two movable ends and two groups of immovable ends, wherein the first movable end of the positive and negative rotation selection control switch is connected with the first immovable end of the switch control selection switch, the second movable end of the positive and negative rotation selection control switch is connected with the second immovable end of the switch control selection switch, and the two groups of immovable ends are respectively connected with two input ends of a control loop of the electric actuating mechanism.
13. The electric actuator operating device of claim 11, further comprising two feedback loops;
the first feedback loop is connected between the first power supply on the switchboard side and a first group of feedback switches in the electric actuating mechanism control system in series, and the first power supply on the switchboard side is provided for the indicating circuit on the switchboard side through the first feedback loop and the first group of feedback switches; the second feedback loop is connected in series between the first power supply on the side of the distribution board and a second group of feedback switches in the electric actuating mechanism control system, and the first power supply on the side of the distribution board is provided for the master control indicating circuit through the second feedback loop and the second group of feedback switches.
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| CN202022089216.3U CN213521717U (en) | 2020-09-22 | 2020-09-22 | Electric actuator operating device and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889289A (en) * | 2021-09-29 | 2022-01-04 | 中广核核电运营有限公司 | Electric head debugging tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113889289A (en) * | 2021-09-29 | 2022-01-04 | 中广核核电运营有限公司 | Electric head debugging tool |
| CN113889289B (en) * | 2021-09-29 | 2023-06-02 | 中广核核电运营有限公司 | Electric head debugging tool |
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