CN115549305A - Pressing plate state detection system - Google Patents
Pressing plate state detection system Download PDFInfo
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- CN115549305A CN115549305A CN202211324082.6A CN202211324082A CN115549305A CN 115549305 A CN115549305 A CN 115549305A CN 202211324082 A CN202211324082 A CN 202211324082A CN 115549305 A CN115549305 A CN 115549305A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The application discloses a pressing plate state detection system, which belongs to the technical field of power equipment and comprises a pressing plate, a pressing plate state detection module and a field condition detection module, wherein the pressing plate state detection module is connected with the pressing plate, and generates a pressing plate state detection signal according to the opening and closing state of the pressing plate and sends the pressing plate state detection signal to a control terminal; and the field condition detection module generates a field condition detection signal according to the field working condition of the operator and sends the field condition detection signal to the control terminal. The main website personnel can learn through control terminal that operating personnel is being in near distribution terminal and carry out maintenance operation, and then make main website personnel can not carry out the closing operation to the clamp plate of disconnection this moment, prevent to a certain extent that long-range main website operating personnel maloperation from carrying out clamp plate combined floodgate operation, lead to on-the-spot fortune dimension personnel to take place to electrocute the incident, and then improve operating personnel operation process's security.
Description
Technical Field
The application relates to the technical field of power equipment, in particular to a pressing plate state detection system.
Background
The clamp plate is the very important secondary equipment among the electric power system, and the accuracy of clamp plate operation is closely relevant with the degree of safety of electric wire netting operation, and improves the prerequisite of clamp plate operation accuracy and can reliably detect the clamp plate state, and when clamp plate state detection mode is improper, will influence the correct execution of the original operation function of clamp plate certainly.
The traditional Chinese patent with publication number CN203104111U discloses a pressing plate state detection device, which comprises an induction accessory, a sensor module, an intelligent detection module, a physical connecting piece and a pressing plate controller, wherein the sensor module detects a pressing plate on-off operation action signal transmitted by the induction accessory, so that the detection of the pressing plate on-off state and the pressing plate state indication are realized; the intelligent detection module is used for collecting output information of the sensor module, the intelligent detection module transmits collected pressing plate state information to the pressing plate controller through the communication circuit, and the pressing plate controller sends the pressing plate state information to the computer management system.
At present, a remote control pressing plate is commonly used on domestic power distribution terminals and used for cutting off a remote control loop. When an operator needs to perform maintenance operation on a power distribution terminal on the site, the operator needs to manually disconnect the remote control pressing plate, so that the circuit maintenance environment is in a power-off state. In the process, although the master station personnel can detect the state of the pressing plate through the control terminal, the master station personnel cannot know the operation condition of the operator on the site, when the operator still carries out maintenance operation on the site, and when the master station personnel operates the remote control pressing plate to be communicated, the operator can carry out maintenance operation on the power distribution terminal under the power-on condition, and further the operation risk coefficient of the site operator is improved.
Disclosure of Invention
This application provides a clamp plate state detecting system to not enough that prior art exists, can make operating personnel in operation process, and the difficult easy master station personnel remote control of clamp plate is closed, and then guarantees operating personnel operation process's degree of safety.
The technical scheme for solving the technical problems is as follows:
a pressing plate state detection system comprises a pressing plate, a pressing plate state detection module and a field condition detection module, wherein the pressing plate state detection module is connected with the pressing plate, and generates a pressing plate state detection signal according to the opening and closing state of the pressing plate and sends the pressing plate state detection signal to a control terminal; and the field condition detection module generates a field condition detection signal according to the field working condition of an operator and sends the field condition detection signal to the control terminal.
Through adopting above-mentioned technical scheme, when fortune dimension personnel maintained the operation at the scene, fortune dimension personnel manual work disconnection remote control clamp plate, the state detection module real-time detection clamp plate of pressing plate opened and close the state this moment to according to the opening and close state generation clamp plate state detection signal of clamp plate, clamp plate state detection module sends clamp plate state detection signal for control terminal in real time, makes the master station personnel can learn the opening and close state of clamp plate through control terminal. When an operator carries out maintenance operation near a power distribution terminal, the position of the operator is identified by the field condition detection module through detection, a field condition detection signal is generated according to the field working condition of the operator and is sent to the control terminal, so that the master station worker can know that the operator is in the vicinity of the power distribution terminal through the control terminal to carry out maintenance operation, the master station worker can not carry out closing operation on a disconnected pressing plate at the moment, the pressing plate is prevented from being operated by the remote master station operator by mistake to a certain extent to carry out closing operation, an electric shock event is caused to the field operation and maintenance worker, and the safety of the operation process of the operator is improved.
Furthermore, the on-site condition detection module comprises an infrared detection submodule arranged on the power distribution terminal, the infrared detection submodule is used for detecting whether an operator exists nearby the power distribution terminal in real time, and the infrared detection submodule generates an infrared detection signal according to the existence condition of the operator and sends the infrared detection signal to the control terminal.
Furthermore, a timer connected with the infrared detection submodule is arranged in the power distribution terminal, the timer responds to the infrared detection signal sent by the infrared detection submodule and accumulates time length, and when the timing time length of the timer reaches a preset time threshold value, the timer generates a timing control signal and sends the timing control signal to the control terminal.
Furthermore, a remote pressing plate standby module connected with the pressing plate in parallel is arranged in the power distribution terminal, and the remote pressing plate standby module operates in response to a remote control signal of the control terminal.
Further, the control terminal controls the operation of the remote platen standby module in response to a control signal of the timer.
Further, an indication module connected with the remote pressing plate standby module is arranged in the power distribution terminal, and the indication module operates in response to a starting signal of the remote pressing plate standby module.
Further, when the remote pressing plate standby module is closed, if the pressing plate state detection module detects that the pressing plate state is the closed state, the pressing plate state detection module generates a pressing plate closed state detection signal according to the closed state of the pressing plate and sends the pressing plate closed state detection signal to the control terminal, and the control terminal controls the remote pressing plate standby module to be disconnected in response to the pressing plate closed state detection signal.
Further, the pressing plate state detection module comprises an FPGA sub-module, a pressing plate front detection sub-module and a pressing plate rear detection sub-module;
the front pressing plate detection submodule is used for detecting the on-off condition of a front pressing plate loop, and generates a front pressing plate detection signal according to the on-off condition of the front pressing plate loop and sends the front pressing plate detection signal to the FPGA submodule;
the pressing plate rear detection submodule is used for detecting the on-off condition of a pressing plate rear loop, and the pressing plate rear detection submodule generates a pressing plate rear detection signal according to the on-off condition of the pressing plate rear loop and sends the pressing plate rear detection signal to the FPGA submodule;
the FPGA submodule is used for analyzing and judging the opening and closing states of the pressing plate according to the detection signal before the pressing plate and the detection signal after the pressing plate.
Furthermore, the pressing plate is connected with a passage detection module, the passage detection module is used for detecting the electrifying condition of the circuit, and the passage detection module generates a passage detection signal according to the electrifying condition of the circuit and sends the passage detection signal to the control terminal.
In summary, compared with the prior art, the beneficial effects of the above technical scheme are:
when the operation and maintenance personnel maintain the operation on the spot, the operation and maintenance personnel manually disconnect the remote control pressing plate, the pressing plate state detection module detects the opening and closing state of the pressing plate in real time at the moment, a pressing plate state detection signal is generated according to the opening and closing state of the pressing plate, the pressing plate state detection module sends the pressing plate state detection signal to the control terminal in real time, and the master station personnel can know the opening and closing state of the pressing plate through the control terminal. When an operator carries out maintenance operation near a power distribution terminal, the position of the operator is identified by the field condition detection module through detection, a field condition detection signal is generated according to the field working condition of the operator and is sent to the control terminal, so that the master station worker can know that the operator is in the vicinity of the power distribution terminal through the control terminal to carry out maintenance operation, the master station worker can not carry out closing operation on a disconnected pressing plate at the moment, the pressing plate is prevented from being operated by the remote master station operator by mistake to a certain extent to carry out closing operation, an electric shock event is caused to the field operation and maintenance worker, and the safety of the operation process of the operator is improved.
Drawings
FIG. 1 is a schematic overall circuit diagram in an embodiment of the present application;
fig. 2 is a block diagram of modules in an embodiment of the present application.
Description of the reference numerals: 1. a pressing plate state detection module; 11. an FPGA submodule; 12. a front pressing plate detection submodule; 13. pressing a plate and then detecting a submodule; 2. a field condition detection module; 3. an infrared detection submodule; 4. a remote platen standby module; 5. an indication module; 6. a path detection module; 7. a local remote control module; 8. a remote control module; 9. and (5) breaking the wire and putting into the module.
Detailed Description
The principles and features of the present application are described below in conjunction with the accompanying fig. 1-2, which are presented by way of example only to illustrate the present application and not to limit the scope of the present application.
The embodiment of the application discloses a pressing plate state detection system. Referring to fig. 1 and 2, a platen state detection system includes a platen Y1, a platen state detection module 1, and a field condition detection module 2. The pressing plate Y1, the pressing plate state detection module 1 and the field condition detection module 2 are all arranged in the power distribution terminal, and the pressing plate state detection module 1 is connected with the pressing plate Y1.
The pressing plate state detection module 1 generates a pressing plate state detection signal according to the opening and closing state of the pressing plate Y1 and sends the pressing plate state detection signal to the control terminal for detecting the working state of the pressing plate Y1 in real time; the field condition detection module 2 generates a field condition detection signal according to the field working condition of an operator and sends the field condition detection signal to the control terminal, and the field condition detection signal is used for detecting whether the operator performing maintenance work exists near the power distribution terminal.
When the operation and maintenance personnel maintain the operation on the spot, the operation and maintenance personnel manually break the remote control pressing plate Y1, the pressing plate state detection module 1 detects the opening and closing state of the pressing plate Y1 in real time at the moment, a pressing plate state detection signal is generated according to the opening and closing state of the pressing plate Y1, the pressing plate state detection module 1 sends the pressing plate state detection signal to the control terminal in real time, and the main station personnel can know the opening and closing state of the pressing plate Y1 through the control terminal.
When operating personnel maintain near the distribution terminal, on-the-spot condition detection module 2 passes through the position of detection discernment operating personnel, on-the-spot condition detection signal is generated and is sent to control terminal according to operating personnel's on-the-spot behavior, make main website personnel can learn operating personnel near being in the distribution terminal through control terminal and maintain the operation, and then make main website personnel can not carry out the closure operation to the clamp plate Y1 of disconnection this moment, prevent long-range main website operating personnel maloperation to a certain extent and carry out clamp plate Y1 combined floodgate operation, lead to on-the-spot fortune dimension personnel to take place the electric shock incident, and then improve operating personnel operation process's security.
The pressing plate state detection module 1 comprises an FPGA submodule 11, a pressing plate front detection submodule 12 and a pressing plate rear detection submodule 13. The FPGA sub-module 11 includes an FPGA chip, and specifically, the model of the FPGA chip may be EF2L15LG144B; one end of the sub-module 12 is connected with the FPGA chip, the other end of the sub-module 12 is connected with the pressing plate Y1, one end of the sub-module 13 is connected with the FPGA chip, and the other end of the sub-module 13 is connected with the pressing plate Y1. The pressing plate front detection submodule 12 and the pressing plate rear detection submodule 13 are respectively electrically connected with two ends of the pressing plate Y1.
As an embodiment, the detection submodule 12 in front of the pressing plate includes a triode Q1, the triode Q1 is an NPN-type triode, a collector of the triode Q1 is connected to a 5V power supply through a resistor R4, an emission set of the triode Q1 is grounded, one side of the triode Q1 is connected to a diode D1 through an optocoupler E1, an anode of the diode D1 is connected to a 48V power supply through a resistor R3, and a cathode of the diode D1 is connected to an end of the pressing plate rear detection submodule 13 away from the pressing plate Y1.
As an implementation manner, the pressing plate rear detection submodule 13 includes a triode Q2, the triode Q2 is an NPN type triode, a collector of the triode Q2 is connected to a 5V power supply through a resistor R5, an emission set of the triode Q2 is grounded, one side of the triode Q2 is connected to a diode D2 through an optocoupler E2, an anode of the diode D2 is connected to a 48V power supply through a resistor R6, and a cathode of the diode D2 is connected to an end of the diode D1 far away from the pressing plate Y1.
The pressing plate is connected with a channel detection module 6, the channel detection module 6 is used for detecting the electrifying condition of the circuit, and the channel detection module 6 generates a channel detection signal according to the electrifying condition of the circuit and sends the channel detection signal to the control terminal. As an embodiment, the path detection module 6 includes a primary switch coil M, one end of the primary switch coil M is connected to the end of the pressing plate close to the diode D2, and the other end of the primary switch coil M is grounded.
The control terminal judges the current power-on operation condition of the circuit according to the working state of the primary switch coil M, when the primary switch coil M is in a normal state, the fact that a circuit breaking phenomenon does not exist in the circuit operation process is shown, when the primary switch coil M is in a circuit breaking state, the fact that a breakpoint exists on the primary switch coil M and the primary switch coil M is damaged possibly, wiring at a certain place of the circuit is not correct possibly, and the current circuit cannot normally perform switching-off and switching-on operations.
The detection submodule 12 before the clamp plate is used for detecting the on-off condition of the circuit before the clamp plate, when the clamp plate Y1 is closed and the primary switch coil M normally operates, the front stage of an optical coupler of the detection submodule 12 before the clamp plate is conducted, the rear stage of the optical coupler of the detection submodule 12 before the clamp plate is conducted, the detection submodule 12 before the clamp plate inputs the low level signal of the voltage signal to the FPGA chip, and the function that the detection submodule 12 before the clamp plate generates the detection signal before the clamp plate according to the on-off condition of the circuit before the clamp plate and sends the detection signal to the FPGA submodule 11 is realized.
Similarly, the detection submodule 13 behind the pressing plate is used for detecting the on-off condition of the circuit behind the pressing plate, when the primary switch coil M normally operates, the front stage of the optical coupler of the detection submodule 13 behind the pressing plate is conducted, so that the rear stage of the optical coupler of the detection submodule 13 behind the pressing plate is conducted, the detection submodule 13 behind the pressing plate inputs the low level signal of the voltage signal to the FPGA chip, and the detection submodule 13 behind the pressing plate generates the detection signal behind the pressing plate according to the on-off condition of the circuit behind the pressing plate and sends the detection signal to the FPGA submodule 11.
The FPGA submodule 11 is used for analyzing and judging the opening and closing state of the pressing plate Y1 according to the detection signal before the pressing plate and the detection signal after the pressing plate, and can learn the on-off condition of the current circuit connection.
When the pressing plate front detection submodule 12 and the pressing plate rear detection submodule 13 both input low level signals to the FPGA submodule 11, the pressing plate Y1 is closed at the moment, and the primary switch coil M normally operates; when the high-level signal is input to the FPGA submodule 11 by the front pressing plate detection submodule 12 and the low-level signal is input to the FPGA submodule 11 by the rear pressing plate detection submodule 13, the pressing plate Y1 is disconnected at the moment, and the primary switch coil M normally operates.
Detect submodule 12 before the clamp plate and detect submodule 13 behind the clamp plate respectively with clamp plate Y1's both ends electricity and be connected, when clamp plate Y1 belongs to the closed state, 48V's voltage passes through R3 resistance, and through opto-coupler E1's preceding stage, reach clamp plate Y1, reach switch coil M once more, then ground connection, possess the route back like this, detect submodule 12 before the clamp plate because E1 opto-coupler switches on, output low level this moment, and in the same way, detect submodule 13 also output low level behind the clamp plate, when detecting submodule 12 and clamp plate behind the clamp plate and detecting submodule 13 and all outputting low level, show that clamp plate Y1 is the closed state this moment, external coil is normal condition.
When clamp plate Y1 is in the off-state, opto-coupler E1 can't switch on this moment, detect submodule 12 before the clamp plate so under the effect of 5V voltage, output high level this moment, detect submodule 13 output low level behind the clamp plate simultaneously, consequently, when detecting submodule 12 output high level before the clamp plate, detect submodule 13 output low level behind the clamp plate, show that clamp plate Y1 is the off-state, once switch coil M is in normal condition.
Be provided with the broken string in the distribution terminal and put into module 9, the broken string is put into module 9 and is connected with primary switch coil M, as an embodiment, broken string is put into module 9 and is included diode D3, diode D3's anodal resistance R7 and FPGA chip connection through, diode D3's negative pole ground connection, one side of diode D3 is connected with triode Q3 through opto-coupler E3, triode Q3's transmission collection ground connection, triode Q2's collecting electrode is connected with the one end that primary switch coil M kept away from the ground connection side through resistance R8.
When the detection submodule 13 inputs a high level signal to the FPGA submodule 11 after the pressing plate, the detection submodule represents that the primary switch coil M is in a disconnection state, and at this time, the FPGA submodule 11 needs to output a high level signal to the disconnection input module 9, so that the reason that the primary switch coil M is in the disconnection state is continuously judged.
The condition that the primary switch coil M is in an abnormal state means that a control loop has a broken wire, at the moment, the optocoupler E2 is not conducted, the detection submodule 13 behind the pressing plate outputs a high level, when the detection submodule 13 behind the pressing plate is detected by the FPGA submodule 11 and is the high level, the FPGA submodule 11 immediately enables the broken wire input module 9 to output the high level, so that E3 is conducted, at the moment, the FPGA submodule 11 judges the states of the detection submodule 12 before the pressing plate and the detection submodule 13 behind the pressing plate again to judge whether the pressing plate Y1 is in a closed state or an open state.
When the front pressing plate detection submodule 12 outputs a low level to the FPGA submodule 11, the pressing plate Y1 is closed at the moment, and the external primary switch coil M is disconnected; when the front pressing plate detection sub-module 12 outputs a high level to the FPGA sub-module 11, the pressing plate Y1 is disconnected at the moment, and the external primary switch coil M is disconnected; through the logic judgment, the opening and closing state of the pressing plate Y1 can be accurately judged, and meanwhile, whether the external coil M is in a normal working state or not can be detected.
The field condition detection module 2 comprises an infrared detection submodule 3 arranged on the power distribution terminal, the infrared detection submodule 3 is used for detecting whether an operator exists nearby the power distribution terminal in real time, and the infrared detection submodule 3 generates an infrared detection signal according to the existence condition of the operator and sends the infrared detection signal to the control terminal.
The power distribution terminal is internally provided with a timer connected with the infrared detection submodule 3, the timer responds to an infrared detection signal sent by the infrared detection submodule 3 to accumulate time length, and when the timing time length of the timer reaches a preset time threshold value, the timer generates a timing control signal and sends the timing control signal to the control terminal.
As an implementation manner, the infrared detection sub-module 3 includes an infrared sensor connected to the FPGA chip, and the infrared sensor detects whether an operator exists near the power distribution terminal in real time, and when the operator exists, the infrared sensor outputs a high level to the FPGA chip, and when the operator does not exist, the infrared sensor outputs a low level to the FPGA chip.
The timer responds to an infrared detection signal sent by the infrared detection submodule 3 and accumulates time length, when the duration time of the FPGA chip detecting the high level is longer than 5 minutes, the FPGA chip judges that an operator exists nearby the power distribution terminal, and when the duration time of the FPGA chip detecting the low level is longer than 5 minutes, the FPGA chip judges that the operator does not exist nearby the power distribution terminal.
Specifically, in the embodiment of the application, the preset time threshold is set to be 24 hours, and if the timing duration of the timer reaches 24 hours, the timer generates a timing control signal and sends the timing control signal to the control terminal, so that the control terminal prompts a master station person that no operator exists in the vicinity of the power distribution terminal for 24 hours continuously, which indicates that the operator leaves due to forgetting to close the pressing plate Y1 at the moment with a high probability.
A remote pressing plate standby module 4 connected with the pressing plate Y1 in parallel is arranged in the power distribution terminal, and the remote pressing plate standby module 4 operates in response to a remote control signal of the control terminal. As an implementation, remote clamp plate spare module 4 includes the spare switch that connects in parallel with clamp plate Y1, clamp plate Y1 one side is connected with resistance R14 through relay J3, resistance R14 one end is connected with 5V's power, resistance R14's the other end is connected with resistance R11 and triode Q4, resistance R11 keeps away from the end connection of resistance R14 and has 5V's power, triode Q4's collecting electrode is connected with resistance R11, triode Q4's transmission collection ground, triode Q4's base passes through resistance R12 and is connected with the FPGA chip.
After field operation and maintenance personnel maintain or debug, when forgetting to close the pressing plate Y1 and leaving the maintenance field, the master station personnel remotely control the remote pressing plate standby module 4 through the control terminal, so that the remote pressing plate standby module 4 controls the standby switch to be closed, the standby closing scheme of the pressing plate Y1 is further realized, and the remote standby control function of the pressing plate Y1 is realized.
The control terminal controls the operation of the remote platen standby module 4 in response to the control signal of the timer. When the timing duration of the timer is accumulated to 24 hours, the control terminal responds to the control signal of the timer to automatically control the operation of the remote pressure plate standby module 4, and the automatic closing process of the standby switch is realized.
An indicating module 5 connected with the remote pressing plate standby module 4 is arranged in the power distribution terminal, and the indicating module 5 operates in response to an enabling signal of the remote pressing plate standby module 4. As an embodiment, the indication module 5 includes a light emitting diode L1, an anode of the light emitting diode L1 is connected to the FPGA chip through a resistor R13, and a cathode of the light emitting diode L1 is grounded.
When long-range clamp plate spare module 4 put into operation, FPGA chip control emitting diode L1 lights, and emitting diode L1 is used for warning the fortune dimension personnel that come near distribution terminal once more, and long-range clamp plate spare module 4 puts into operation, and suggestion operating personnel can in time manual reset clamp plate Y1.
When the remote pressing plate standby module 4 is put into operation, if the pressing plate state detection module 1 detects that the state of the pressing plate Y1 is a closed state, the pressing plate state detection module 1 generates a pressing plate closed state detection signal according to the closed state of the pressing plate Y1 and sends the pressing plate closed state detection signal to the control terminal, and the control terminal controls the remote pressing plate standby module 4 to be disconnected in response to the pressing plate closed state detection signal.
When remote clamp plate spare module 4 puts into operation, if operating personnel manual reset clamp plate Y1, with clamp plate Y1 closure, clamp plate state detection module 1 then can detect the clamp plate state and be the closed condition, and at this moment, control terminal controls the disconnection of remote clamp plate spare module 4 in response to clamp plate closed condition detection signal of clamp plate state detection module 1. After the standby module 4 of the remote pressing plate is put into operation, when an operator resets the pressing plate Y1 manually, the standby module 4 of the remote pressing plate can be automatically disconnected, and the automatic control function of the standby module 4 of the remote pressing plate is realized.
Be provided with the remote control module in the power distribution terminal, the remote control module includes local remote control module 7 and remote control module 8, and when the circuit was in the state of separating brake outage, when needing to close a floodgate power transmission once more, operating personnel can be in the operation of local remote control module 7 of on-the-spot control, and the personnel of main website can operate through control terminal remote control module 8. The local remote control module 7 and the remote control module 8 can both transmit power to the primary switch coil M.
The local remote control module 7 and the remote control module 8 supply power to the primary switch coil M, the power is continuously supplied for 0.5-2 seconds generally, the primary switch coil M is instantly supplied with power, and after the primary switch coil M is closed, the circuit can be in a power-on state. After the circuit is electrified, the primary switching coil M is not electrified, and the primary switching coil M is electrified only when the switch-off or switch-on is needed. The drawings of the application only contain a primary switching coil M for opening.
Through local remote control module 7 and remote control module 8, make FPGA submodule 11 control remote control module's high-low level, when remote control module output high level, the current carries outside primary switch coil M through clamp plate Y1, realizes primary switch coil M's power transmission process to accomplish primary switch coil M's separating brake, combined floodgate operation, and then can realize whole circuit's break-make electric function.
The implementation principle of the pressing plate state detection system in the embodiment of the application is as follows: when the operation and maintenance personnel maintain the operation on the spot, the operation and maintenance personnel manually disconnect the remote control pressing plate Y1, the state detection module detects the opening and closing state of the pressing plate Y1 in real time at the moment, a pressing plate state detection signal is generated according to the opening and closing state of the pressing plate Y1, the pressing plate state detection module 1 sends the pressing plate state detection signal to the control terminal in real time, and the main station personnel can know the opening and closing state of the pressing plate Y1 through the control terminal. When operating personnel maintain near the distribution terminal, on-the-spot condition detection module 2 passes through the position of detection discernment operating personnel, on-the-spot condition detection signal is generated and is sent to control terminal according to operating personnel's on-the-spot behavior, make main website personnel can learn operating personnel near being in the distribution terminal through control terminal and maintain the operation, and then make main website personnel can not carry out the closure operation to the clamp plate Y1 of disconnection this moment, prevent long-range main website operating personnel maloperation to a certain extent and carry out clamp plate Y1 combined floodgate operation, lead to on-the-spot fortune dimension personnel to take place the electric shock incident, and then improve operating personnel operation process's security.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. The pressing plate state detection system comprises a pressing plate and is characterized by further comprising: the device comprises a pressing plate state detection module (1) and a field condition detection module (2), wherein the pressing plate state detection module (1) is connected with a pressing plate, and the pressing plate state detection module (1) generates a pressing plate state detection signal according to the opening and closing state of the pressing plate and sends the pressing plate state detection signal to a control terminal; and the field condition detection module (2) generates a field condition detection signal according to the field working condition of an operator and sends the field condition detection signal to the control terminal.
2. The platen status detection system according to claim 1, wherein: the field condition detection module (2) comprises an infrared detection submodule (3) arranged on the power distribution terminal, the infrared detection submodule (3) is used for detecting whether an operator exists nearby the power distribution terminal in real time, and the infrared detection submodule (3) generates an infrared detection signal according to the existence condition of the operator and sends the infrared detection signal to the control terminal.
3. The platen status detection system according to claim 2, wherein: the power distribution terminal is internally provided with a timer connected with the infrared detection submodule (3), the timer responds to an infrared detection signal sent by the infrared detection submodule (3) and accumulates time, and when the timing time of the timer reaches a preset time threshold value, the timer generates a timing control signal and sends the timing control signal to the control terminal.
4. The platen status detection system according to claim 3, wherein: the power distribution terminal is internally provided with a remote pressing plate standby module (4) connected with the pressing plate in parallel, and the remote pressing plate standby module (4) operates in response to a remote control signal of the control terminal.
5. The platen status detection system according to claim 4, wherein: the control terminal responds to the control signal of the timer to control the operation of the remote pressing plate standby module (4).
6. The platen status detection system according to claim 4, wherein: an indication module (5) connected with the remote pressing plate standby module (4) is arranged in the power distribution terminal, and the indication module (5) operates in response to an enabling signal of the remote pressing plate standby module (4).
7. The platen status detection system according to claim 4, wherein: when the remote pressing plate standby module (4) is closed, if the pressing plate state detection module (1) detects that the pressing plate state is a closed state, the pressing plate state detection module (1) generates a pressing plate closed state detection signal according to the closed state of the pressing plate and sends the pressing plate closed state detection signal to the control terminal, and the control terminal responds to the pressing plate closed state detection signal and controls the remote pressing plate standby module (4) to be disconnected.
8. The platen status detection system according to claim 1, wherein: the pressing plate state detection module (1) comprises an FPGA submodule (11), a pressing plate front detection submodule (12) and a pressing plate rear detection submodule (13);
the pressing plate front detection submodule (12) is used for detecting the on-off condition of a pressing plate front loop, and the pressing plate front detection submodule (12) generates a pressing plate front detection signal according to the on-off condition of the pressing plate front loop and sends the pressing plate front detection signal to the FPGA submodule (11);
the pressing plate rear detection submodule (13) is used for detecting the on-off condition of a pressing plate rear loop, and the pressing plate rear detection submodule (13) generates a pressing plate rear detection signal according to the on-off condition of the pressing plate rear loop and sends the pressing plate rear detection signal to the FPGA submodule (11);
and the FPGA sub-module (11) is used for analyzing and judging the opening and closing states of the pressing plate according to the detection signal before the pressing plate and the detection signal after the pressing plate.
9. The platen status detection system according to claim 1, wherein: the circuit detection device is characterized in that the pressing plate is connected with a channel detection module (6), the channel detection module (6) is used for detecting the electrifying condition of the circuit, and the channel detection module (6) generates a channel detection signal according to the electrifying condition of the circuit and sends the channel detection signal to the control terminal.
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