CN115876500A - Vacuum tube wire loop network type control and monitoring system of maglev train - Google Patents
Vacuum tube wire loop network type control and monitoring system of maglev train Download PDFInfo
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- CN115876500A CN115876500A CN202211320714.1A CN202211320714A CN115876500A CN 115876500 A CN115876500 A CN 115876500A CN 202211320714 A CN202211320714 A CN 202211320714A CN 115876500 A CN115876500 A CN 115876500A
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Abstract
The invention discloses a magnetic suspension train vacuum tube wire loop network type control monitoring system, which is used for collecting and processing vacuum key parameters of an environment sensor in a magnetic suspension train vacuum pipeline and comprises an upper computer and a lower computer; the upper computer is used for sending a control signal to the environment sensor to the lower computer; the lower computer is used for collecting the vacuum key parameters of the environment sensor through the control network according to the control signal and feeding the collected vacuum key parameters back to the upper computer for processing and displaying; the control network adopts a ring network type, namely all the slave switches are connected sequentially through optical fibers, and the head and tail slave switches are connected to form a ring network; the invention can make up the blank of a control and monitoring system suitable for a vacuum pipeline of a magnetic suspension train, a vacuum pump of an accessory facility, a repressing valve, an escape door, a gate valve, a connection corridor bridge and an environment sensor.
Description
Technical Field
The invention belongs to the technical field of magnetic levitation trains, and particularly relates to a vacuum tube wire loop network type control and monitoring system for a magnetic levitation train.
Background
The magnetic suspension train is a new technology, has no contact with the track and no friction, has the characteristics of high speed, stability, comfort, low energy consumption and low noise, and gradually becomes an important development direction of future traffic. China has many breakthrough progresses in the technical aspect of magnetic suspension trains, and is in the lead of the world. Unlike conventional high speed trains, magnetic levitation trains must operate in a low vacuum containment environment.
The vacuum pipeline of the magnetic suspension train provides a stable low-vacuum environment and a high-quality linear and smooth precision track for the low-vacuum magnetic suspension train so as to ensure the safety and stability of the train during high-speed running. The construction scale and scale of the vacuum pipeline of the magnetic suspension train far exceed those of the existing vacuum system, and verification research needs to be carried out on related key technical problems and engineering technical problems. The vacuum sealing capability, the pressure building and restoring capability, the vacuum monitoring capability, the temperature deformation compensation capability and the like of the vacuum pipeline of the magnetic suspension train are required to meet the requirements of stable operation.
In order to realize the magnetic suspension train speed reaching 1000km/h under the low vacuum condition, a magnetic suspension train vacuum pipeline needs to be designed, and technical support is provided for magnetic suspension train system optimization, standard formulation and commercial operation line construction. The operation and control of supporting facilities such as a vacuum pump, a pressure recovery valve, an escape door, a gate valve, a connection corridor bridge and the like are not fully considered in the operation environment of the existing magnetic suspension train, and the engineering feasibility of the existing method is poor. Meanwhile, a control monitoring system suitable for a vacuum pipeline and an accessory facility vacuum pump, a repressurization valve, an escape door, a gate valve, a connection corridor bridge and an environmental sensor of the maglev train is still lacked in China.
Disclosure of Invention
In view of this, the invention provides a vacuum tube wire loop network type control and monitoring system for a magnetic suspension train, which can make up for the blank of a control and monitoring system suitable for vacuum tubes and auxiliary facilities of a magnetic suspension train, vacuum pumps, repressurization valves, escape doors, gate valves, connection corridor bridges and environmental sensors.
The invention is realized by the following technical scheme:
a magnetic suspension train vacuum tube wire loop network type control monitoring system is used for collecting and processing vacuum key parameters of an environment sensor in a magnetic suspension train vacuum pipeline and comprises an upper computer and a lower computer;
the upper computer is used for sending a control signal to the environment sensor to the lower computer; the lower computer is used for collecting the vacuum key parameters of the environment sensor through the control network according to the control signal and feeding the collected vacuum key parameters back to the upper computer for processing and displaying;
the control network includes: the environment sensor is arranged at a monitoring point, each monitoring point is provided with one relay slave station and one converter, and the converters and the relay slave stations positioned at the same monitoring point are electrically connected; setting a slave switch at every ten monitoring points, wherein every adjacent ten relay slave stations, corresponding ten converters and one slave switch form a group, the ten converters in the same group are respectively connected with the slave switch through optical fibers, one slave switch in each group adopts a trunk line form and is communicated with the ten relay slave stations in the same group, and each monitoring point relay slave station is connected to the slave switch after being converted into an optical signal through the converter; the control network adopts a ring network type, namely all the slave switches are connected in turn through optical fibers, and the head and the tail of the slave switches are connected to form a ring network.
Further, the upper computer comprises a main controller and an upper switch; the lower computer comprises a test line controller, a lower switch, a master switch and a control network; the main controller is electrically connected with the upper switch; the lower switchboard is connected with the upper switchboard through an optical fiber; the master switch is electrically connected with the lower switch and the test line controller respectively, wherein the slave switch closest to the master switch in the control network is connected with the master switch through an optical fiber;
the work flow of the control network is as follows: the main controller sends a control signal for collecting the vacuum key parameters of the environment sensor to the test line controller; the test line controller receives a control signal acquired by vacuum key parameters of the environment sensor, and then transmits the control signal to the relay slave station of each monitoring point through the master switch, the slave switch and the converter, the relay slave station of each monitoring point has the function of executing the digital operation of the programmable logic controller, and after receiving the control signal, the relay slave station respectively acquires the vacuum key parameters in the vacuum pipeline, wherein the vacuum key parameters comprise vacuum degree, pressure, temperature, noise and humidity, and transmits the vacuum key parameters to the master controller through the converter of each monitoring point, the slave switch, the master switch, the slave switch and the upper switch for processing and displaying, so that the vacuum degree monitoring, the pressure monitoring, the temperature monitoring, the noise monitoring and the humidity monitoring of the vacuum pipeline of the magnetic suspension train are realized.
Furthermore, the control monitoring system is also used for controlling a repressing valve in a vacuum pipeline of the magnetic suspension train;
the lower computer also comprises a repressing valve controller which is electrically connected with the test line controller; the relay slave station of the monitoring point closest to the complex pressure valve is added with the functions of controlling the on-off of the complex pressure valve and acquiring the on-off and opening states of the complex pressure valve;
the main controller is also used for sending a control signal for the reset valve to the lower computer; and after receiving a control signal of the double-pressure valve, the double-pressure valve controller transmits the control signal to the corresponding relay slave station through the test line controller, the master switch, the slave switch and the converter of the monitoring point closest to the double-pressure valve in sequence, and after receiving the control signal, the corresponding relay slave station controls the on-off of the double-pressure valve and collects state signals of the opening, closing and opening of the double-pressure valve, and transmits the state signals to the master controller for processing and displaying through the slave switch, the master switch, the lower switch and the upper switch of the corresponding monitoring point.
Furthermore, the control monitoring system is also used for controlling an escape door of a vacuum pipeline of the magnetic suspension train;
the upper computer further comprises an escape door man-machine interaction machine, and the escape door man-machine interaction machine is electrically connected with the upper switch;
the lower computer also comprises an escape door controller which is electrically connected with the test line controller; the relay slave station of the monitoring point closest to the escape door is added with the functions of controlling the opening and closing of the escape door and collecting the opening, closing and opening states of the escape door;
the escape door man-machine interaction machine is used for sending a control signal for the escape door to the lower computer; after receiving the control signal of the escape door, the escape door controller transmits the control signal to the corresponding relay slave station through the test line controller, the master switch, the slave switch and the converter of the monitoring point closest to the complex pressure valve in sequence, after receiving the control signal, the corresponding relay slave station controls the opening and closing of the escape door and collects the state signals of the opening, closing and opening of the escape door, and transmits the state signals to the escape door human-computer interaction machine for processing and displaying through the slave switch, the master switch, the lower switch and the upper switch of the corresponding monitoring point.
Furthermore, the control monitoring system is also used for controlling a gate valve, a vacuum pump set, a connection corridor bridge, an image acquisition device and an illumination system of a vacuum pipeline of the magnetic suspension train;
the upper computer also comprises a vacuum pump measuring and controlling machine, a connection corridor bridge measuring and controlling machine and an image monitoring machine;
the vacuum pump measuring and controlling machine, the connection corridor bridge measuring and controlling machine and the image monitoring machine are respectively electrically connected with the upper switch, and the main controller is also used for sending a control signal for the flashboard to the lower computer; the vacuum pump measuring and controlling machine is used for sending a control signal for the vacuum pump set to the lower computer; the corridor bridge testing and controlling machine is used for sending a control signal of the corridor bridge to the lower computer; the image monitoring machine is used for sending control signals of the image acquisition device and the lighting system to the lower computer;
the lower computer also comprises a vacuum pump controller, a connection corridor bridge controller, a gate valve controller and an image acquisition controller;
the vacuum pump controller, the access corridor bridge controller, the gate valve controller and the image acquisition controller are respectively electrically connected with the lower switch; the vacuum pump controller is used for receiving control signals for the vacuum pump set through the lower switch and the upper switch, controlling the opening and closing and the pumping speed of the vacuum pump set according to the control signals, and feeding action signals of the vacuum pump set back to the vacuum pump measuring and controlling machine for displaying; the connection corridor bridge controller is used for receiving a control signal of the connection corridor bridge through the lower exchanger and the upper exchanger, controlling the connection corridor bridge and acquiring environment parameters of the connection corridor bridge according to the control signal, and feeding back an action signal of the connection corridor bridge to the connection corridor bridge measurement and control machine for displaying; the gate valve controller is used for receiving control signals for the gate valve through the lower switch and the upper switch, realizing on-off control of the gate valve according to the control signals, acquiring the states of opening, closing and opening of the gate valve, and feeding action signals of the gate valve back to the main controller for display; the image acquisition controller is used for receiving control signals of the image acquisition device and the illumination system through the lower switchboard and the upper switchboard, controlling the image acquisition device and the illumination system according to the control signals, and feeding back an image video acquired by the image acquisition device to the image monitoring machine for displaying.
Has the advantages that:
(1) The ring network type control monitoring system realizes the collection of vacuum key parameters of an environment sensor in a vacuum pipeline of a magnetic suspension train through a control network, wherein the control network comprises a plurality of slave switches, a plurality of converters and a plurality of relay slave stations, and each monitoring point is provided with one relay slave station and one converter; setting a slave switch at every ten monitoring points, wherein every adjacent ten relay slave stations, corresponding ten converters and one slave switch form a group, the ten converters in the same group are respectively connected with the slave switch through optical fibers, and one slave switch in each group adopts a trunk line form and is communicated with the ten relay slave stations in the same group; the control network adopts a ring network type, namely all the slave switches are connected in sequence through optical fibers, and the head and the tail of the slave switches are connected to form a ring network; the structure is simple, the safety and the reliability are realized, the control method is scientific, the reliability of a core link is guaranteed, any control node makes mistakes, the communication of other nodes is not influenced, and the requirements of vacuum degree monitoring, leak detection and automatic control system testing can be met.
(2) The control network of the ring network type control monitoring system increases the control of a complex pressure valve and an escape door in a vacuum pipeline of a maglev train, and the relay station of a monitoring point closest to the complex pressure valve increases the on-off control of the complex pressure valve and acquires the opening, closing and opening states of the complex pressure valve; the relay slave station of the monitoring point closest to the escape door is added with the functions of controlling the opening and closing of the escape door and collecting the opening, closing and opening states of the escape door; the device has the advantages of simple structure, convenient wiring, low cost, safety, reliability and scientific control method, and can support the performance test requirements of auxiliary vacuum equipment such as a complex pressure valve, an escape door and the like.
(3) The ring network type control monitoring system can also realize the control of a gate valve, a vacuum pump group, a connection corridor bridge, an image acquisition device and an illumination system of a vacuum pipeline of the magnetic suspension train; the device provides technical support for system optimization, standard formulation and commercial operation line construction of the magnetic suspension train, can solve the problem that the vacuum pipeline and accessory facilities of the magnetic suspension train lack cooperative control monitoring, can support the requirements of technical verification and sealing performance test of large-scale pipeline sealing structure design, support the requirements of vacuum establishment and vacuum pump group performance test, support the requirements of performance test of accessory vacuum equipment such as a connection corridor bridge and the like, and provides a high-speed, comfortable, low-energy-consumption and low-noise operation environment for the magnetic suspension train.
Drawings
FIG. 1 is a schematic view of a vacuum line of a magnetic levitation train;
FIG. 2 is a schematic diagram of the system of the present invention;
the system comprises a vacuum pipeline 1, a vacuum pump group 2, a pressure-restoring valve 3, an escape door 4, a gate valve 5, a connection corridor bridge 6 and an environment sensor 7.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment provides a vacuum tube wire loop network type control and monitoring system for a magnetic levitation train, wherein a vacuum tube of the magnetic levitation train is used for providing a low vacuum environment for the magnetic levitation train so as to reduce air resistance and noise borne by the train, providing high-quality linear and smooth precision for the magnetic levitation train so as to ensure safety and stability of the train when the train runs at high speed, and providing safe getting on and off and escaping environments for passengers, referring to the attached drawing 1, the vacuum tube wire loop network type control and monitoring system for the magnetic levitation train comprises: the system comprises a vacuum pipeline 1, a vacuum pump group 2, a repressing valve 3, an escape door 4, a gate valve 5, a connecting corridor bridge 6, an environment sensor 7, an image acquisition device, an illumination system, a vacuum electrode and the ring network type control monitoring system of the embodiment;
the vacuum pipeline 1 is a closed tubular channel, and more than two groups of vacuum pump sets 2, more than two complex pressure valves 3, more than two escape doors 4, more than two environment sensors 7, more than one connecting gallery bridge 6 and more than two gate valves 5 are arranged at intervals of a set length along the length direction of the vacuum pipeline 1; in the embodiment, an environment sensor 7 is arranged at the position of a vacuum pipeline 1 at intervals of 200 meters, a complex pressure valve 3 is arranged at intervals of 1000 meters, and an escape door 4 is arranged at intervals of 2000 meters;
the vacuum pipeline 1 is internally sealed and maintains a vacuum environment for a long time and is used for the running of a magnetic suspension train;
the vacuum pump group 2 is used for generating, improving and maintaining the vacuum state in the vacuum pipeline 1, so that the vacuumized vacuum pipeline 1 obtains the required working vacuum degree and ultimate vacuum degree;
the complex pressure valve 3 is used for opening when the vacuum pipeline 1 needs to recover the normal pressure, external air stably enters the vacuum pipeline 1, the impact on the vacuum pipeline 1 is reduced, and the vacuum pipeline 1 is recovered to the normal state of the atmospheric pressure from the vacuum state;
the escape door 4 is used for stopping the magnetic suspension train along the line when an emergency occurs, passengers in the magnetic suspension train escape from the vacuum pipeline 1 to the ground environment through the escape door 4, so that life danger is avoided, and maintenance personnel can conveniently enter the vacuum pipeline 1 through the escape door 4 to perform necessary inspection and maintenance work;
the connection corridor bridge 6 is a convenient and high-reliability connection mode, is used for realizing getting on and off of passengers on the magnetic suspension train, and realizes passenger transfer by utilizing pressure relief and repression in the connection corridor bridge 6;
the two gate valves 5 are in a group, a group of gate valves 5 is arranged at the position of each connection corridor bridge 6, and the group of gate valves 5 are used for cutting off or connecting the vacuum pipeline 1 under the conditions that the magnetic suspension train enters and exits and emergencies at the station, so that a closed normal-pressure section with a certain length can be formed at the position of the connection corridor bridge 6 of the vacuum pipeline 1 when the magnetic suspension train enters and exits and emergencies occur;
the environment sensor 7 comprises a vacuum gauge, a pressure sensor, a temperature sensor, a noise meter and a humidity sensor, and is respectively used for monitoring the vacuum degree, the pressure, the temperature, the noise and the humidity in the vacuum pipeline 1 and sending the parameters to the ring network type control monitoring system;
the image acquisition device and the illumination system are both positioned in the vacuum pipeline 1; the image acquisition device is used for acquiring video images in the vacuum pipeline 1 and sending the video images to the ring network type control monitoring system; the lighting system is used for lighting the inside of the vacuum pipeline 1;
the vacuum electrode is used for realizing power transmission and communication between a vacuum environment in the vacuum pipeline 1 and an external normal pressure environment (namely, the vacuum pump set 2, the repressing valve 3, the gate valve 5, the environment sensor 7, the image acquisition device and the illumination system are all electrically connected with the ring network type control monitoring system through the vacuum electrode), and can ensure that the vacuum pipeline 1 is not decompressed at the vacuum electrode;
the ring network type control and monitoring system is used for electrical control of vacuum pipeline equipment of a magnetic suspension train, and mainly comprises on-off control of a vacuum pump set 2, control of a repressing valve 3, control of an escape door 4, control of a gate valve 5, control of a connection corridor bridge 6, illumination control in a vacuum pipeline 1, acquisition of video images, acquisition, processing and display of vacuum key parameters of an environment sensor 7, automatic safe operation of the magnetic suspension train is guaranteed, the ring network type control and monitoring system has the functions of parameter storage, state alarm and the like, and the vacuum key parameters comprise vacuum degree, pressure, temperature, noise and humidity.
Referring to fig. 2, the ring network type control and monitoring system includes an upper computer and a lower computer; the upper computer and the lower computer are communicated with each other through the switch and the optical fiber;
the upper computer is positioned in the main control chamber and comprises a main controller, a vacuum pump measurement and control machine, a connection corridor bridge measurement and control machine, an image monitoring machine, an escape door man-machine interaction machine and an upper switch;
the main controller, the vacuum pump measurement and control machine, the connection corridor bridge measurement and control machine, the image monitoring machine and the escape door man-machine interaction machine are respectively connected with an upper switch through cables, the main controller is used for controlling the complex pressure valve 3, controlling the gate valve 5 and collecting vacuum key parameters of the environment sensor 7, and control signals of the complex pressure valve 3, the gate valve 5 and the environment sensor 7 are sent to a lower computer through the upper switch; the vacuum pump measurement and control machine is used for controlling the on-off of the vacuum pump set 2 and sending a control signal for the vacuum pump set 2 to the lower computer through the upper switch; the corridor bridge connection measuring and controlling machine is used for controlling the corridor bridge 6 and sending a control signal for connecting the corridor bridge 6 to the lower computer through the upper switch; the image monitoring machine is used for lighting control and video image acquisition in the vacuum pipeline 1 and sending control signals of the image acquisition device and the lighting system to the lower computer through the upper switch; the escape door man-machine interaction machine is used for controlling the escape door 4 and sending a control signal for the escape door 4 to the lower computer through the upper switch;
the next machine is located vacuum pipeline 1 outside, and the next machine includes: the system comprises a vacuum pump controller, a gateway bridge controller, a gate valve controller, an image acquisition controller, a test line controller, a repressing valve controller, an escape gate controller, a lower switch, a main switch and a control network; the vacuum pump controller, the access corridor bridge controller, the gate valve controller, the image acquisition controller, the test line controller, the repressing valve controller, the escape gate controller, the lower switch and the main switch are all positioned near the main control room;
the lower switch is connected with the upper switch through an optical fiber, and the vacuum pump controller, the access corridor bridge controller, the gate valve controller and the image acquisition controller are respectively connected with the lower switch through cables; the vacuum pump controller is used for receiving control signals for the vacuum pump set 2 through the lower switch and the upper switch, controlling the opening and closing and pumping speed of the vacuum pump set 2 according to the control signals, and feeding action signals of the vacuum pump set 2 back to the vacuum pump measuring and controlling machine for displaying; the access corridor bridge controller is used for receiving a control signal of the access corridor bridge 6 through the lower switch and the upper switch, controlling the access corridor bridge 6 and acquiring environmental parameters of the access corridor bridge 6 according to the control signal, and feeding back an action signal of the access corridor bridge 6 to the access corridor bridge testing and controlling machine for displaying; the gate valve controller is used for receiving control signals of the gate valve 5 through the lower switch and the upper switch, controlling the on-off of the gate valve 5 according to the control signals, acquiring the opening, closing and opening states of the gate valve 5, and feeding action signals (namely the opening, closing and opening states of the gate valve 5) of the gate valve 5 back to the main controller for displaying; the image acquisition controller is used for receiving control signals of the image acquisition device and the illumination system through the lower switchboard and the upper switchboard, controlling the image acquisition device and the illumination system according to the control signals, and feeding back an image video acquired by the image acquisition device to the image monitor for displaying;
the main switch is connected with the lower switch through a cable, the test line controller is connected with the main switch through a cable, and the repressing valve controller and the escape door controller are connected with the test line controller through cables; the double-pressure valve controller is used for receiving control signals of the double-pressure valve 3 sequentially through the upper switchboard, the lower switchboard, the main switchboard and the test line controller, realizing on-off control of the double-pressure valve 3 and acquisition of opening, closing and opening states of the double-pressure valve 3 through the test line controller according to the control signals, and feeding action signals (namely the opening, closing and opening states of the double-pressure valve 3) of the double-pressure valve 3 back to the main controller for display; the escape door controller is used for receiving control signals of the escape door 4 sequentially through the upper switchboard, the lower switchboard, the main switchboard and the test line controller, controlling the escape door 4 and acquiring the opening, closing and opening states of the escape door 4 through the test line controller according to the control signals, and feeding action signals (namely the opening, closing and opening states of the escape door 4) of the escape door 4 back to the escape door human-computer interaction machine for displaying; the test line controller is used for receiving control signals for collecting the vacuum key parameters of the environment sensor 7 through the upper switch, the lower switch and the main switch in sequence, realizing the collection of the vacuum key parameters of the environment sensor 7 according to the control signals, and feeding the collected vacuum key parameters back to the main controller for processing and displaying, so as to realize the vacuum degree monitoring, the pressure monitoring, the temperature monitoring, the noise monitoring and the humidity monitoring of the vacuum pipeline of the maglev train;
the control network comprises: a plurality of slave switches, a plurality of converters and a plurality of relay slave stations; since in the present embodiment, the environmental sensors 7 are provided at every 200 meters intervals of the vacuum line 1; therefore, the environment sensor 7 is arranged as a monitoring point, namely, the monitoring point is arranged at every 200 meters of the vacuum pipeline 1, a relay slave station and a converter are arranged at each monitoring point, and the converter and the relay slave station which are positioned at the same monitoring point are connected through a cable; every ten monitoring points (2000 meters) are provided with a slave switch, every adjacent ten relay stations, corresponding ten converters and one slave switch form a group (because most switches in the same group are far away from the relay stations, cables cannot transmit and only optical fibers can be used, so that photoelectric conversion must be carried out through the converters, if the relay stations are close to the slave switches, the converters in the embodiment can not be provided, the converters and the relay stations are in one-to-one correspondence), the ten converters in the same group are respectively connected with the slave switches through the optical fibers, one slave switch in each group is in a trunk line form and is communicated with 10 relay stations in the same group, and each monitoring point relay station is connected to the slave switch after being converted into optical signals through the converters; the control network adopts a ring network type, namely all the slave switches are connected in turn through optical fibers, and the head and the tail of the slave switches are connected to form a ring network, namely the slave switch farthest from the master switch is connected with the slave switch closest to the master switch through the optical fibers; the slave switch closest to the master switch is connected with the master switch through an optical fiber;
the work flow of the control network is as follows: after receiving a control signal acquired by a vacuum key parameter of the environment sensor 7, the test line controller transmits the control signal to a relay slave station of each monitoring point through a master switch, a slave switch and a converter, the relay slave station of each monitoring point has a function of executing digital operation of a programmable logic controller, and after receiving the control signal, the relay slave station respectively acquires the vacuum degree, pressure, temperature, noise and humidity in a vacuum pipeline and transmits the vacuum key parameter to a master controller for processing and displaying through the converter, the slave switch, the master switch, a lower switch and an upper switch of each monitoring point, so that vacuum degree monitoring, pressure monitoring, temperature monitoring, noise monitoring and humidity monitoring of the vacuum pipeline of the maglev train are realized;
in the embodiment, the complex pressure valve 3 is arranged at intervals of 1000 meters in the vacuum pipeline 1, and the escape door 4 is arranged at intervals of 2000 meters, so that the relay station of the monitoring point at intervals of 1000 meters is added with the functions of controlling the opening and closing of the complex pressure valve 3 and acquiring the opening, closing and opening states of the complex pressure valve 3, and the relay station of the monitoring point at intervals of 2000 meters is added with the functions of controlling the opening and closing of the escape door 4 and acquiring the opening, closing and opening states of the escape door 4;
the workflow of the control network is increased as follows: after receiving the control signal of the double-pressure valve 3, the double-pressure valve controller transmits the control signal to the two converters in each group sequentially through the test line controller, the master switch and the slave switches in each group, the two converters transmit the control signal to the corresponding relay slave stations, and after the corresponding relay slave stations receive the control signal, the corresponding relay slave stations control the on-off of the double-pressure valve 3 and acquire state signals of opening, closing and opening of the double-pressure valve 3, and transmit the state signals to the master controller through the slave switches, the master switch, the lower switch and the upper switch of the corresponding monitoring points for processing and displaying; after receiving the control signal of the escape door 4, the escape door controller transmits the control signal to a corresponding converter in each group sequentially through the test line controller, the master switch and the slave switches of each group, one converter then forwards the control signal to the corresponding relay slave station, and after receiving the control signal, the corresponding relay slave station controls the opening and closing of the escape door 4, collects the state signals of the opening, the closing and the opening of the escape door 4, and transmits the state signals to the escape door man-machine interaction machine through the slave switches, the master switch, the lower switch and the upper switch of corresponding monitoring points to be displayed.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A magnetic suspension train vacuum tube wire loop network type control monitoring system is characterized in that the control monitoring system is used for collecting and processing vacuum key parameters of an environment sensor in a magnetic suspension train vacuum pipeline and comprises an upper computer and a lower computer;
the upper computer is used for sending a control signal to the environment sensor to the lower computer; the lower computer is used for collecting the vacuum key parameters of the environment sensor through the control network according to the control signal and feeding the collected vacuum key parameters back to the upper computer for processing and displaying;
the control network includes: the environment sensor is arranged at a monitoring point, each monitoring point is provided with a relay slave station and a converter, and the converters and the relay slave stations positioned at the same monitoring point are electrically connected; setting a slave switch at every ten monitoring points, wherein every adjacent ten relay slave stations, corresponding ten converters and one slave switch form a group, the ten converters in the same group are respectively connected with the slave switch through optical fibers, one slave switch in each group adopts a trunk line form and is communicated with the ten relay slave stations in the same group, and each monitoring point relay slave station is connected to the slave switch after being converted into an optical signal through the converter; the control network adopts a ring network type, namely all the slave switches are connected in turn through optical fibers, and the head and the tail of the slave switches are connected to form a ring network.
2. The vacuum tube wire loop network type control and monitoring system for a magnetic levitation train as recited in claim 1, wherein said upper computer comprises a main controller and an upper switch; the lower computer comprises a test line controller, a lower switch, a master switch and a control network; the main controller is electrically connected with the upper switch; the lower switchboard is connected with the upper switchboard through an optical fiber; the master switch is electrically connected with the lower switch and the test line controller respectively, wherein the slave switch closest to the master switch in the control network is connected with the master switch through an optical fiber;
the work flow of the control network is as follows: the main controller sends a control signal for collecting the vacuum key parameters of the environment sensor to the test line controller; the test line controller receives a control signal acquired by vacuum key parameters of the environment sensor, transmits the control signal to the relay slave station of each monitoring point through the master switch, the slave switch and the converter, the relay slave station of each monitoring point has a function of executing digital operation of the programmable logic controller, and the relay slave station receives the control signal and respectively acquires the vacuum key parameters inside the vacuum pipeline, wherein the vacuum key parameters comprise vacuum degree, pressure, temperature, noise and humidity, and transmits the vacuum key parameters to the master controller for processing and displaying through the converter of each monitoring point, the slave switch, the master switch, the slave switch and the upper switch, so that vacuum degree monitoring, pressure monitoring, temperature monitoring, noise monitoring and humidity monitoring of the vacuum pipeline of the magnetic suspension train are realized.
3. The vacuum tube wire loop network type control and monitoring system of a magnetic levitation train as recited in claim 2, wherein the control and monitoring system is further used for controlling a re-pressurization valve in a vacuum line of a magnetic levitation train;
the lower computer also comprises a repressing valve controller which is electrically connected with the test line controller; the relay slave station of the monitoring point closest to the complex pressure valve is added with the functions of controlling the on-off of the complex pressure valve and acquiring the on-off and opening states of the complex pressure valve;
the main controller is also used for sending a control signal for the reset valve to the lower computer; after receiving a control signal of the double-pressure valve, the double-pressure valve controller transmits the control signal to the corresponding relay slave station through the test line controller, the master switch, the slave switch and the converter of the monitoring point closest to the double-pressure valve in sequence, and after receiving the control signal, the corresponding relay slave station controls the on-off of the double-pressure valve, collects state signals of the opening, closing and opening of the double-pressure valve, and transmits the state signals to the master controller through the slave switch, the master switch, the lower switch and the upper switch of the corresponding monitoring point for processing and displaying.
4. The vacuum tube wire loop network type control and monitoring system for the magnetic suspension train as claimed in claim 2, wherein the control and monitoring system is further used for controlling an escape door of the vacuum tube wire loop of the magnetic suspension train;
the upper computer further comprises an escape door man-machine interaction machine which is electrically connected with the upper switch;
the lower computer also comprises an escape door controller which is electrically connected with the test line controller; the relay slave station of the monitoring point closest to the escape door is added with the functions of controlling the opening and closing of the escape door and collecting the opening, closing and opening states of the escape door;
the escape door man-machine interaction machine is used for sending a control signal for the escape door to the lower computer; after receiving the control signal of the escape door, the escape door controller transmits the control signal to the corresponding relay slave station through the test line controller, the master switch, the slave switch and the converter of the monitoring point closest to the complex pressure valve in sequence, after receiving the control signal, the corresponding relay slave station controls the opening and closing of the escape door and collects the state signals of the opening, closing and opening of the escape door, and transmits the state signals to the escape door human-computer interaction machine for processing and displaying through the slave switch, the master switch, the lower switch and the upper switch of the corresponding monitoring point.
5. A maglev vehicle vacuum tube wire loop network type control and monitoring system according to any one of claims 2 to 4, wherein the control and monitoring system is further used for controlling a gate valve of a maglev vehicle vacuum line, a vacuum pump group, a corridor bridge, an image acquisition device and a lighting system;
the upper computer also comprises a vacuum pump measuring and controlling machine, a connection corridor bridge measuring and controlling machine and an image monitoring machine;
the vacuum pump measuring and controlling machine, the connection corridor bridge measuring and controlling machine and the image monitoring machine are respectively electrically connected with the upper switch, and the main controller is also used for sending a control signal for the flashboard to the lower computer; the vacuum pump measuring and controlling machine is used for sending a control signal for the vacuum pump set to the lower computer; the corridor bridge testing and controlling machine is used for sending a control signal of the corridor bridge to the lower computer; the image monitoring machine is used for sending control signals of the image acquisition device and the lighting system to the lower computer;
the lower computer also comprises a vacuum pump controller, a connection corridor bridge controller, a gate valve controller and an image acquisition controller;
the vacuum pump controller, the access corridor bridge controller, the gate valve controller and the image acquisition controller are respectively electrically connected with the lower switch; the vacuum pump controller is used for receiving control signals for the vacuum pump set through the lower exchanger and the upper exchanger, controlling the opening and closing and the pumping speed of the vacuum pump set according to the control signals and feeding action signals of the vacuum pump set back to the vacuum pump measurement and control machine for display; the connection corridor bridge controller is used for receiving a control signal of the connection corridor bridge through the lower exchanger and the upper exchanger, controlling the connection corridor bridge and acquiring environment parameters of the connection corridor bridge according to the control signal, and feeding back an action signal of the connection corridor bridge to the connection corridor bridge measurement and control machine for displaying; the gate valve controller is used for receiving control signals for the gate valve through the lower switch and the upper switch, realizing on-off control of the gate valve according to the control signals, acquiring the states of opening, closing and opening of the gate valve, and feeding action signals of the gate valve back to the main controller for display; the image acquisition controller is used for receiving control signals of the image acquisition device and the illumination system through the lower switchboard and the upper switchboard, controlling the image acquisition device and the illumination system according to the control signals, and feeding back an image video acquired by the image acquisition device to the image monitoring machine for displaying.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320714.1A CN115876500A (en) | 2022-10-26 | 2022-10-26 | Vacuum tube wire loop network type control and monitoring system of maglev train |
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| CN202211320714.1A CN115876500A (en) | 2022-10-26 | 2022-10-26 | Vacuum tube wire loop network type control and monitoring system of maglev train |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337491A (en) * | 2023-05-29 | 2023-06-27 | 眉山中车制动科技股份有限公司 | Train test bed data acquisition system and data acquisition method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116337491A (en) * | 2023-05-29 | 2023-06-27 | 眉山中车制动科技股份有限公司 | Train test bed data acquisition system and data acquisition method |
| CN116337491B (en) * | 2023-05-29 | 2023-08-29 | 眉山中车制动科技股份有限公司 | Train test bed data acquisition system and data acquisition method |
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