CN107168164B - Safety double-authorization system for field training equipment - Google Patents
Safety double-authorization system for field training equipment Download PDFInfo
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- CN107168164B CN107168164B CN201710392178.9A CN201710392178A CN107168164B CN 107168164 B CN107168164 B CN 107168164B CN 201710392178 A CN201710392178 A CN 201710392178A CN 107168164 B CN107168164 B CN 107168164B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Abstract
The safety double-authorization system for the on-site practical training equipment comprises a double-authorization management device, wherein the double-authorization management device is provided with a power input interface for being connected with a power supply and a power output interface for supplying power to the practical training equipment, a first power control switch and a second power control switch are connected in series between the power input interface and the power output interface, a controller of the double-authorization management device respectively sends a power-on request signal and a power-off request signal to a first management platform and a second management platform, the first management platform sends power-on authorization and power-off authorization instructions to the controller, and the controller receives the power-on authorization and power-off authorization instructions sent by the first management platform and controls the first power control switch to be closed and opened and reminded by a prompting device; the second management platform issues authorized power-on and power-off instructions to the controller, and the controller is used for receiving the authorized power-on and power-off instructions issued by the second management platform, controlling the second power control switch to be closed and opened and reminding through the reminding device. It greatly improves the electricity safety.
Description
Technical Field
The invention relates to the field of power control of practical training equipment, in particular to a safety double-authorization system of the field practical training equipment.
Background
The traditional training equipment is powered on through the breaker control equipment, a student can directly power on without agreeing to the power on by a teacher in training, and if wrong wiring occurs in a connecting circuit of the student operation equipment, the equipment can be burnt out, and the conditions such as fire disaster and the like are more seriously caused.
Disclosure of Invention
Aiming at the corresponding defects of the prior art, the invention provides a safety double-authorization system of field training equipment, which greatly improves the electricity safety.
The invention is realized by adopting the following scheme: a safety double-authorization system of field training equipment comprises a double-authorization management device. One training device corresponds to one double-authorization management device. Each double-authorization management device is respectively arranged on the top of the training equipment in each station. The double-authorization management device is provided with a power converter, a controller, a request input device, a prompt device, a power input interface used for being connected with a power supply and a power output interface used for being connected with a training device to supply power to the training device, a first power control switch and a second power control switch are connected in series on a main line between the power input interface and the power output interface, and the first power control switch is positioned between the power input interface and the second power control switch; the power converter is used for providing power for the controller; the request input device is used for collecting power-on requests and power-off requests of operators and transmitting the power-on requests and the power-off requests to the controller; the controller is used for respectively sending a power-on request signal and a power-off request signal to the first management platform and the second management platform, the first management platform is used for receiving the power-on request signal and the power-off request signal uploaded by the double-authorization management device, issuing an authorized power-on command and a power-off command to the controller of the double-authorization management device, and the controller is used for receiving the authorized power-on command and the authorized power-off command issued by the first management platform, controlling the first power control switch to be turned on and turned off and reminding through the reminding device; the second management platform is used for receiving the power-on and power-off request signals uploaded by the double-authorization management device, issuing power-on and power-off authorization instructions to the controller of the double-authorization management device, and the controller is used for receiving the power-on and power-off authorization instructions issued by the second management platform, controlling the second power supply to control the switch to be turned on and off and reminding through the reminding device. The prompting device is used for prompting the on state of each power control switch connected in series between the power input interface and the power output interface. The prompting device can adopt modes such as sound, light and the like, for example, an LED indicator lamp, a touch screen and the like.
Because each training room is provided with a plurality of training devices, a plurality of double-authorization management devices are arranged. Preferably, a signal centralized processor is arranged in each training room, the controllers of each double-authorization management device send request signals to the signal centralized processor, the request signals are respectively uploaded to two control centers through the signal centralized processor, and the instructions issued by the two control centers are transmitted to the corresponding double-authorization management devices after passing through the signal centralized processor.
The first power control switch and the second power control switch are contactors, a main contact of the first contactor KM1 and a main contact of the second contactor KM2 are connected in series between a power input interface and a power output interface, two relays KA3 and KA4 are respectively connected to the output end of the controller, the controller is used for respectively controlling the power on or power off of coils of the two relays KA3 and KA4 according to received authorized power on instructions and authorized power off instructions, the coil of the first contactor KM1 and a normally open contact of the third relay KA3 are connected in series in a power supply loop of the first contactor KM1, and the coil of the second contactor KM2 and a normally open contact of the fourth relay KA4 are connected in series in a power supply loop of the second contactor KM 2. The power supply loop of the first contactor KM1 or the power supply loop of the second contactor KM2 is also connected in series with a normally closed contact for emergency stop.
When power-on is requested, the first power control switch can be closed, the second power control switch can be closed, and when power-off is requested, the second power control switch can be opened, and then the first power control switch can be opened. This function may be realized by a program inside the controller or by a circuit configuration. When power off is requested, if the first power control switch is turned off without turning off the second power control switch, power on is requested when the next operator uses the first power control switch, and the second power control switch is directly turned on.
The invention adopts the following circuits to realize the functions: the double-authorization management device further comprises a fifth relay KA5 and a first relay KA1, one end of a coil of the fifth relay KA5 is connected with a phase line between the first power supply control switch and the second power supply control switch, the other end of the coil of the fifth relay KA5 is connected with a zero line, and a normally open contact of the fifth relay KA5 is connected with the input end of the controller. When the normally open contact of the fifth relay KA5 is closed, the controller sends a power-on request signal to the second management platform, and when the normally open contact of the fifth relay KA5 is closed, the controller sends a power-off request signal to the first management platform. One end of a coil of the first relay KA1 is connected with a phase line between the second power supply control switch and the power supply output interface, the other end of the coil of the first relay KA1 is connected with a zero line, and a normally closed contact of the first relay KA1 is connected with a coil of the fifth relay KA5 in series. The fifth relay KA5 is used for triggering the controller to send a second power-on request signal and a power-off request signal. The request power-on switch SB1 is used for triggering the controller to send a first request power-on signal. The power-off request switch SB2 is used for triggering the controller to send a power-off request signal for the first time.
When only the first power control switch and the second power control switch are arranged between the power input interface and the power output interface, the prompting device comprises a first indicator lamp and a second indicator lamp, one end of the first indicator lamp is connected with a phase line between the first power control switch and the second power control switch, the other end of the first indicator lamp is connected with a zero line, one end of the second indicator lamp is connected with the phase line between the second power control switch and the power output interface, the other end of the second indicator lamp is connected with the zero line, the first indicator lamp is connected with a normally closed contact of the first relay KA1 in series, one end of a coil of the first relay KA1 is connected with the phase line between the second power control switch and the power output interface, and the other end of the coil of the first relay KA1 is connected with the zero line.
The first power control switch and the second power control switch are respectively controlled by a monitor remote control of an operator requesting two management platforms, the third power control switch is directly controlled by the operator, and a prompt device prompts after the double-authorization management device outputs electricity. At this time, the prompting device of the invention comprises a first indicator lamp, a second indicator lamp and a third indicator lamp, wherein one end of the first indicator lamp is connected with a phase line between a first power supply control switch and a second power supply control switch, the other end of the first indicator lamp is connected with a zero line, one end of the second indicator lamp is connected with a phase line between the second power supply control switch and the third power supply control switch, the other end of the second indicator lamp is connected with the zero line, one end of the third indicator lamp is connected with a phase line between the third power supply control switch and a power output interface, the other end of the third indicator lamp is connected with the zero line, the first indicator lamp is connected with a normally closed contact of a first relay KA1 in series, one end of a coil of the first relay KA1 is connected with a phase line between the second power supply control switch and the third power supply control switch, the other end of a coil of the first relay KA1 is connected with the zero line, the normally closed contact of the second indicator lamp is connected with a normally closed contact of a second relay KA2 in series, and the other end of a coil of the second relay KA2 is connected with the zero line. The first indicator light is a safety state indicator light. The second indicator light is a ready state indicator light. The third indicator light is an operating state indicator light. The invention realizes the three-state control of all practical training equipment through the 3 power control switches connected in series between the power input interface and the power output interface, and can realize the three-state prompt function through the three indicator lamps.
The third power control switch is a breaker QF1. Of course, the third power control switch can also adopt a contactor, and the opening or closing of the contactor can be directly controlled by an operator through a button connected with the input end of the controller.
The request input device comprises a request power-on switch SB1 and a request power-off switch SB2, wherein the request power-on switch SB1 and the request power-off switch SB2 are respectively connected with the input end of the controller and are used for respectively acquiring power-on requests and power-off requests of operators and transmitting the power-on requests and the power-off requests to the controller. The power-on request switch SB1 and the power-off request switch SB2 are normally open button switches. The request input device can also be a touch screen and the like, and the touch screen system can also be provided with a function of simulating a power-on request button, a function of requesting a power-off button, a scram function, a three-state prompt function and the like.
The dual-authorization management device is provided with an emergency power-off switch, and the emergency power-off switch is used for controlling the first power control switch or the second power control switch to be disconnected. Preferably, the emergency power-off switch is a normally closed switch, which is connected in series in the power supply circuit of the first contactor KM1 or in series in the power supply circuit of the second contactor KM 2. The normally closed switch adopts a button switch.
The invention has the advantages that: the invention sets the two-stage authorization mechanism, and the power can be turned on only by the consent of the teacher, and the students cannot directly turn on the power, thereby improving the problem of safe operation. The operator can only send a request, and after the trainee requests power-on, the monitor of the management platform can receive the request. After receiving the power-on request of an operator, a monitor of the management platform can remotely operate the 1-level power supply control device in the starting device and has a prompting device for prompting, and the device has the prompting device for prompting after the power-on request. The supervision teacher in the training room can remotely start the 2-level power supply and has a prompting device for prompting.
If the practical training equipment of a certain practical training room needs to be powered on, an operator of the practical training equipment clicks a power-on request button on a dual-authorization management device corresponding to the practical training equipment, the dual-authorization management device feeds back the power-on request to a first management platform of a comprehensive practical training room control center, after the first management platform receives the power-on request instruction corresponding to the device of the certain practical training room, the control center starts a power supply of the corresponding practical training room device if the power-on request instruction corresponding to the device of the practical training room is approved, the power supply is authorized to be started, the power supply is 1-level authorization, after the first management platform authorizes the power-on, a ' safe ' state prompt is arranged on a safe dual-authorization system control cabinet of the field practical training equipment, a signal is fed back to a teacher control center corresponding to the practical training equipment, the power-on request is prompted on the teacher control center, after the teacher control center receives the power-on request instruction, the power-on request instruction corresponding to the practical training equipment is started, the power-on-off state prompt is arranged on the safe dual-authorization system control cabinet of the field practical training equipment, and the ' safe state prompt ' operation state prompt ' is arranged on the safe dual-authorization system control cabinet is arranged in the field training equipment, and the operator can be prompted to see the state prompt after the operation platform is ready to run.
If the device of a training room does not need to use electricity, an operator of the device clicks a 'request outage' on a safety double-authorization system control cabinet of the field training equipment corresponding to the device, and closes a breaker in the safety double-authorization system control cabinet of the field training equipment, an 'operation' state prompt is extinguished, the safety double-authorization system of the field training equipment feeds back the request to a second management platform of a teacher control center of the training room, after the second management platform receives the power outage request prompt corresponding to the training device, the teacher control center cuts off the power supply of the training device, the 'preparation' state prompt is extinguished, the power outage request is fed back to the comprehensive first management platform, and after the comprehensive first management platform receives the power outage request, the comprehensive first management platform cuts off the power supply of the training device, and the 'safety' state prompt is extinguished. If the device encounters an emergency situation and needs to be powered off in the operation process, the emergency stop on the safety double-authorization system control cabinet of the field training device can be pressed, and the safety double-authorization system of the field training device stops powering on.
The invention realizes that the comprehensive training room remotely controls the power supply of the double-authorization management device to be 1-level authorization; the power supply control of the double-authorization management device by a field supervision teacher is 2-level authorization, so that the interference or the false power supply caused by equipment failure is avoided, and the power utilization safety is greatly improved; when a student requests power supply, the programmable double-authorization management device can feed back the request to equipment of a comprehensive training room and a supervision teacher.
Drawings
FIG. 1 is a circuit diagram of a dual authorization management device according to the present invention;
FIG. 2 is a schematic flow chart of a power-on request implementation of the present invention;
fig. 3 is a schematic flow chart of a power-off request implementation of the present invention.
Detailed Description
Referring to fig. 1, a field training device safety dual-authorization system includes a dual-authorization management device. One training device corresponds to one double-authorization management device. Each double-authorization management device is respectively arranged on the top of the training equipment in each station. The double-authorization management device is provided with a power converter, a controller, a request input device, a power input interface used for being connected with a power supply and a power output interface used for being connected with a training device to supply power to the training device, a first power control switch and a second power control switch are connected in series on a main line between the power input interface and the power output interface, and the first power control switch is positioned between the power input interface and the second power control switch; the power converter is used for providing power for the controller; the request input device is used for collecting power-on requests and power-off requests of operators and transmitting the power-on requests and the power-off requests to the controller; the controller is used for respectively sending the power-on request signals to the first management platform and the second management platform. The first management platform adopts a computer. The second management platform adopts a computer or a mobile phone and the like. The first management platform is used for receiving the request power-on signal uploaded by the double-authorization management device, sending the authorization power-on instruction of the monitoring personnel to the controller of the double-authorization management device, and the controller is used for receiving the authorization power-on instruction issued by the first management platform, controlling the first power supply control switch to be closed and reminding through the reminding device. The second management platform is used for receiving the request power-on signal uploaded by the double-authorization management device, sending the authorization power-on instruction of the monitoring personnel to the controller of the double-authorization management device, and receiving the authorization power-on instruction issued by the second management platform, controlling the second power control switch to be closed and reminding the monitoring personnel through the reminding device; the controller is used for receiving a power-off request of an operator, respectively sending power-off request signals to the second management platform and the first management platform, wherein the second management platform is used for receiving the power-off request signals uploaded by the double-authorization management device, sending an authorized power-off instruction of a monitor to the controller of the double-authorization management device, receiving the authorized power-off instruction issued by the second management platform, controlling the second power control switch to be disconnected, reminding through the reminding device, the first management platform is used for receiving the power-off request signals uploaded by the double-authorization management device, sending the authorized power-off instruction of the monitor to the controller of the double-authorization management device, and receiving the authorized power-off instruction issued by the first management platform, controlling the first power control switch to be disconnected and reminding through the reminding device. The prompting device is used for prompting the on state of each power control switch connected in series between the power input interface and the power output interface. The prompting device can adopt modes such as sound, light and the like, for example, an LED indicator lamp, a touch screen and the like.
Because each training room is provided with a plurality of training devices, a plurality of double-authorization management devices are arranged. Preferably, a signal centralized processor is arranged in each training room, the controllers of each double-authorization management device send request signals to the signal centralized processor, the request signals are respectively uploaded to two control centers through the signal centralized processor, and the instructions issued by the two control centers are transmitted to the corresponding double-authorization management devices after passing through the signal centralized processor.
The first power control switch and the second power control switch are contactors, a main contact of the first contactor KM1 and a main contact of the second contactor KM2 are connected in series between a power input interface and a power output interface, two relays KA3 and KA4 are respectively connected to the output end of the controller, the controller is used for respectively controlling the power on or power off of coils of the two relays KA3 and KA4 according to received authorized power on instructions and authorized power off instructions, the coil of the first contactor KM1 and a normally open contact of the third relay KA3 are connected in series in a power supply loop of the first contactor KM1, and the coil of the second contactor KM2 and a normally open contact of the fourth relay KA4 are connected in series in a power supply loop of the second contactor KM 2. The power supply loop of the first contactor KM1 or the power supply loop of the second contactor KM2 is also connected in series with a normally closed contact for emergency stop.
When power-on is requested, the first power control switch can be closed, the second power control switch can be closed, and when power-off is requested, the second power control switch can be opened, and then the first power control switch can be opened. This function may be realized by a program inside the controller or by a circuit configuration. When power off is requested, if the first power control switch is turned off without turning off the second power control switch, power on is requested when the next operator uses the first power control switch, and the second power control switch is directly turned on.
The invention adopts the following circuits to realize the functions: the double-authorization management device further comprises a fifth relay KA5 and a first relay KA1, one end of a coil of the fifth relay KA5 is connected with a phase line between the first power supply control switch and the second power supply control switch, the other end of the coil of the fifth relay KA5 is connected with a zero line, and a normally open contact of the fifth relay KA5 is connected with the input end of the controller. When the normally open contact of the fifth relay KA5 is closed, the controller sends a power-on request signal to the second management platform, and when the normally open contact of the fifth relay KA5 is closed, the controller sends a power-off request signal to the first management platform. One end of a coil of the first relay KA1 is connected with a phase line between the second power supply control switch and the power supply output interface, the other end of the coil of the first relay KA1 is connected with a zero line, and a normally closed contact of the first relay KA1 is connected with a coil of the fifth relay KA5 in series. The fifth relay KA5 is used for triggering the controller to send a second power-on request signal and a power-off request signal. The request power-on switch SB1 is used for triggering the controller to send a first request power-on signal. The power-off request switch SB2 is used for triggering the controller to send a power-off request signal for the first time.
When only the first power control switch and the second power control switch are arranged between the power input interface and the power output interface, the prompting device comprises a first indicator lamp and a second indicator lamp, one end of the first indicator lamp is connected with a phase line between the first power control switch and the second power control switch, the other end of the first indicator lamp is connected with a zero line, one end of the second indicator lamp is connected with the phase line between the second power control switch and the power output interface, the other end of the second indicator lamp is connected with the zero line, the first indicator lamp is connected with a normally closed contact of the first relay KA1 in series, one end of a coil of the first relay KA1 is connected with the phase line between the second power control switch and the power output interface, and the other end of the coil of the first relay KA1 is connected with the zero line.
The first power control switch and the second power control switch are respectively controlled by a monitor remote control of an operator requesting two management platforms, the third power control switch is directly controlled by the operator, and a prompt device prompts after the double-authorization management device outputs electricity. At this time, the prompting device of the invention comprises a first indicator lamp, a second indicator lamp and a third indicator lamp, wherein one end of the first indicator lamp is connected with a phase line between a first power supply control switch and a second power supply control switch, the other end of the first indicator lamp is connected with a zero line, one end of the second indicator lamp is connected with a phase line between the second power supply control switch and the third power supply control switch, the other end of the second indicator lamp is connected with the zero line, one end of the third indicator lamp is connected with a phase line between the third power supply control switch and a power output interface, the other end of the third indicator lamp is connected with the zero line, the first indicator lamp is connected with a normally closed contact of a first relay KA1 in series, one end of a coil of the first relay KA1 is connected with a phase line between the second power supply control switch and the third power supply control switch, the other end of a coil of the first relay KA1 is connected with the zero line, the normally closed contact of the second indicator lamp is connected with a normally closed contact of a second relay KA2 in series, and the other end of a coil of the second relay KA2 is connected with the zero line. The first indicator light is a safety state indicator light. The second indicator light is a ready state indicator light. The third indicator light is an operating state indicator light. The invention realizes the three-state control of all practical training equipment through the 3 power control switches connected in series between the power input interface and the power output interface, and can realize the three-state prompt function through the three indicator lamps.
The third power control switch is a breaker QF1. Of course, the third power control switch can also adopt a contactor, and the opening or closing of the contactor can be directly controlled by an operator through a button connected with the input end of the controller.
The request input device comprises a request power-on switch SB1 and a request power-off switch SB2, wherein the request power-on switch SB1 and the request power-off switch SB2 are respectively connected with the input end of the controller and are used for respectively acquiring power-on requests and power-off requests of operators and transmitting the power-on requests and the power-off requests to the controller. The power-on request switch SB1 and the power-off request switch SB2 are normally open button switches. The request input device can also be a touch screen and the like, and the touch screen system can also be provided with a function of simulating a power-on request button, a function of requesting a power-off button, a scram function, a three-state prompt function and the like.
The dual-authorization management device is provided with an emergency power-off switch, and the emergency power-off switch is used for controlling the first power control switch or the second power control switch to be disconnected. Preferably, the emergency power-off switch is a normally closed switch, which is connected in series in the power supply circuit of the first contactor KM1 or in series in the power supply circuit of the second contactor KM 2. The normally closed switch adopts a button switch. The emergency power-off button on the double-authorization management device can be pressed when the equipment encounters an emergency condition in the operation process and needs to be powered off, and the safety double-authorization system of the field training equipment stops powering on.
The invention realizes that the comprehensive training room remotely controls the power supply of the double-authorization management device into level 1 authorization; the power supply control of the double-authorization management device by a field supervision teacher is realized as level 2 authorization, and the false power supply caused by interference or equipment failure is avoided; when a student requests power supply, the programmable double-authorization management device can feed back the request to equipment of a comprehensive training room and a supervision teacher.
Referring to fig. 2, the power-on request implementation flow of the present invention is as follows:
1) Requesting power-on upload
T-50D provides power for the controller, and according to SB1, the controller MCU receives the request power-on signal and uploads the signal to the first management platform of the comprehensive training room control center in a wired or wireless mode.
2) First-level authorized opening
After the comprehensive first management platform receives the request power-on signal, the comprehensive first management platform issues a controller MCU which agrees to power-on signal to the corresponding controller MCU of the request power-on signal, the controller MCU controls KA3 to be opened, KA3 controls KM1 to be opened, a safety prompt on a safety double-authorization system control cabinet of the on-site practical training equipment is opened, KA5 is closed, the controller MCU receives a second request power-on signal, and the signal is uploaded to a second management platform of a teacher control center of the practical training room.
3) Second level authorized opening
After receiving the request power-on signal, the teacher control center issues a controller MCU which agrees to power-on signal to the corresponding controller MCU of the request power-on signal, the controller MCU controls KA4 to be opened, KA4 controls KM5 to be opened, and a 'preparation' prompt is arranged on the safety double-authorization system control cabinet of the on-site practical training equipment.
4) Opening a circuit breaker
After the operator of the station device sees the 'preparation' state prompt, the breaker QF1 in the safety double-authorization system control cabinet of the field training equipment is started, and the station device can operate with the 'operation' state prompt.
Referring to fig. 3, the request power-off implementation flow of the present invention is as follows:
1) Closing circuit breaker
When the device is not required to consume power, the device operator turns off QF1 and presses SB2. And the "running" state indicates off, the station apparatus can stop the power supply.
2) Power outage request upload
According to SB2, the controller MCU receives the power-off request signal and uploads the power-off request signal to the second management platform of the training room teacher control center in a wired or wireless mode.
3) Secondary authorization shutdown
After receiving the power-off request signal, the teacher control center issues a power-off signal to a controller MCU corresponding to the power-off request signal, the controller MCU controls KA4 to be closed, KA4 controls KM2 to be closed, and a 'preparation' prompt is closed on a safety double-authorization system control cabinet of the on-site practical training equipment. And the signal is fed back to the controller MCU, and the controller MCU uploads the fed-back power-off signal to a first management platform of the comprehensive training room control center.
4) Primary authorization shutdown
After receiving the power-off request signal, the first management platform issues a power-off signal to a controller MCU corresponding to the power-on request signal, the controller MCU controls KA3 to be closed, KA3 controls KM1 to be closed, and a safety prompt on a safety double-authorization system control cabinet of the on-site practical training equipment is closed.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. The utility model provides a real standard equipment safety double authorization system in scene which characterized in that: the system comprises a double-authorization management device, a power supply controller, a request input device, a prompt device, a power input interface, a power output interface, a first power control switch and a second power control switch, wherein the power input interface is connected with a power supply, the power output interface is connected with training equipment to supply power to the training equipment, a main line between the power input interface and the power output interface is connected with the first power control switch and the second power control switch in series, and the first power control switch is positioned between the power input interface and the second power control switch; the power converter is used for providing power for the controller; the request input device is used for collecting power-on requests and power-off requests of operators and transmitting the power-on requests and the power-off requests to the controller; the controller is used for respectively sending a power-on request signal and a power-off request signal to the first management platform and the second management platform, the first management platform is used for receiving the power-on request signal and the power-off request signal uploaded by the double-authorization management device, issuing an authorized power-on command and a power-off command to the controller of the double-authorization management device, and the controller is used for receiving the authorized power-on command and the authorized power-off command issued by the first management platform, controlling the first power control switch to be turned on and turned off and reminding through the reminding device; the second management platform is used for receiving the power-on and power-off request signals uploaded by the double-authorization management device, issuing power-on and power-off authorization instructions to the controller of the double-authorization management device, receiving the power-on and power-off authorization instructions issued by the second management platform, controlling the second power supply to control the switch to be turned on and off, and reminding the controller through the reminding device
A third power control switch is connected in series between the second power control switch and the power output interface, the first power control switch and the second power control switch are respectively controlled by a monitor of an operator requesting two management platforms in a remote mode, the third power control switch is directly controlled by the operator, and a prompt device prompts after the double-authorization management device has electric output;
the third power supply control switch is a breaker QF1;
the prompting device comprises a first indicator lamp, a second indicator lamp and a third indicator lamp, wherein one end of the first indicator lamp is connected with a phase line between a first power supply control switch and a second power supply control switch, the other end of the first indicator lamp is connected with a zero line, one end of the second indicator lamp is connected with a phase line between the second power supply control switch and the third power supply control switch, the other end of the second indicator lamp is connected with the zero line, one end of the third indicator lamp is connected with a phase line between the third power supply control switch and a power supply output interface, the other end of the third indicator lamp is connected with the zero line, the first indicator lamp is connected with a normally closed contact of a first relay KA1 in series, one end of a coil of the first relay KA1 is connected with a phase line between the second power supply control switch and the third power supply control switch, the other end of a coil of the first relay KA1 is connected with the zero line, the normally closed contact of the second indicator lamp is connected with a normally closed contact of the second relay KA2 in series, one end of a coil of the second relay KA2 is connected with the zero line between the third power supply control switch and the power supply output interface, and the other end of the coil of the second relay KA2 is connected with the zero line.
2. The field training device security dual authorization system according to claim 1, wherein: the first power control switch and the second power control switch are contactors, a main contact of the first contactor KM1 and a main contact of the second contactor KM2 are connected in series between a power input interface and a power output interface, two relays KA3 and KA4 are respectively connected to the output end of the controller, the controller is used for respectively controlling the power on or power off of coils of the two relays KA3 and KA4 according to received authorized power on instructions and authorized power off instructions, the coil of the first contactor KM1 and a normally open contact of the third relay KA3 are connected in series in a power supply loop of the first contactor KM1, and the coil of the second contactor KM2 and a normally open contact of the fourth relay KA4 are connected in series in a power supply loop of the second contactor KM 2.
3. The field training device security dual authorization system according to claim 1, wherein: when power-on is requested, the first power control switch can be closed, the second power control switch can be closed, and when power-off is requested, the second power control switch can be opened, and then the first power control switch can be opened.
4. A field training apparatus safety dual authorization system according to claim 1 or 3, characterized in that: the double-authorization management device further comprises a fifth relay KA5 and a first relay KA1, one end of a coil of the fifth relay KA5 is connected with a phase line between the first power supply control switch and the second power supply control switch, the other end of the coil of the fifth relay KA5 is connected with a zero line, a normally open contact of the fifth relay KA5 is connected with an input end of the controller, one end of the coil of the first relay KA1 is connected with a phase line between the second power supply control switch and a power supply output interface, the other end of the coil of the first relay KA1 is connected with the zero line, and a normally closed contact of the first relay KA1 is connected with the coil of the fifth relay KA5 in series.
5. The field training device security dual authorization system according to claim 1, wherein: the prompting device comprises a first indicator lamp and a second indicator lamp, one end of the first indicator lamp is connected with a phase line between a first power supply control switch and a second power supply control switch, the other end of the first indicator lamp is connected with a zero line, one end of the second indicator lamp is connected with the phase line between the second power supply control switch and a power supply output interface, the other end of the second indicator lamp is connected with the zero line, the first indicator lamp is connected with a normally closed contact of a first relay KA1 in series, one end of a coil of the first relay KA1 is connected with the phase line between the second power supply control switch and the power supply output interface, and the other end of the coil of the first relay KA1 is connected with the zero line.
6. The field training device security dual authorization system according to claim 1, wherein: the request input device comprises a request power-on switch SB1 and a request power-off switch SB2, wherein the request power-on switch SB1 and the request power-off switch SB2 are respectively connected with the input end of the controller and are used for respectively acquiring power-on requests and power-off requests of operators and transmitting the power-on requests and the power-off requests to the controller.
7. The field training device security dual authorization system according to claim 1, wherein: the dual-authorization management device is provided with an emergency power-off switch, and the emergency power-off switch is used for controlling the first power control switch or the second power control switch to be disconnected.
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