CN112735216B - Public transformer station district town power consumption information acquisition system of virtual reality - Google Patents
Public transformer station district town power consumption information acquisition system of virtual reality Download PDFInfo
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Abstract
The invention discloses a virtual reality public transformer district town electricity consumption information acquisition system, which comprises: a virtual scene model and hardware facilities supporting the scene model; the virtual scene model comprises: an overhead line; the low-voltage comprehensive distribution box is internally provided with a wire inlet chamber, a metering chamber, a wire outlet chamber and a reactive compensation chamber; a three-phase batch meter; the single-phase metering box is internally provided with a single-phase intelligent electric energy meter, an incoming line switch, an outgoing line switch and a II-type collector; a low voltage overhead line; and an electrical load model; the hardware facility for supporting the scene model comprises: a sensing layer; an application layer; a network layer; and a device layer. The virtual reality public transformer town transformer district power consumption information acquisition system capable of being used repeatedly is designed, the presentation forms of multimedia such as texts, graphs, three-dimensional images, three-dimensional animations and sounds are fully utilized, the vision and the hearing of students are stimulated, the learning enthusiasm and the initiative of the students are mobilized, the training purpose is achieved, and meanwhile the training effect is improved.
Description
Technical Field
The invention relates to the technical field of power utilization information acquisition of power systems, in particular to a virtual reality public transformer area town power utilization information acquisition system which is mainly used for power utilization information acquisition and safety production teaching and training of power systems and power occupational technology universities.
Background
With the deep development of the unified bidding of the intelligent electric meters and the comprehensive popularization of the electricity consumption information acquisition system by the national power grid company, a large amount of intelligent meter equipment and corresponding electric energy data acquisition terminal equipment are put into each province and city, and the full coverage of the intelligent meters and the full coverage of remote acquisition are basically and completely realized. The operation and maintenance of the related equipment of the electric energy metering are completed by the related marketing personnel on site. Due to the complex structure of the system, the requirement on the skills of field workers is higher, and the work flow is more complicated. When a fault occurs, the types of faults are also various. With the heavy use of field devices, the workload of maintenance personnel is increased geometrically. How to help field measurement acquisition operation and maintenance personnel to quickly locate the problem, master the acquisition correlation principle, and efficiently, quickly and normatively solve the problem of field faults becomes an important subject in the power grid construction work of our province.
The method is limited to the objective limitations that the voltage of a power supply line of a public transformer town transformer district can not be short-circuited and the current can not be open-circuited, the abstraction of a power utilization information acquisition signal transmission path and attenuation characteristics and the non-correlation of spatial arrangement and topological structures among user lines in the transformer district, so that the effect of a real public transformer town transformer district after the fault is repeatedly demonstrated by using real equipment cannot be built, and in addition, the traditional electric power safety training method is old in content and single in means, mainly explains students by pictures or videos and is not vivid and comprehensive enough.
In addition, in view of the safety of the safe operation and training of the power grid, the safety education and training are unlikely to be carried out on the electricity utilization site of the public transformer town transformer district, so that the virtual reality public transformer town district electricity utilization information acquisition system is designed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a virtual reality public transformer district town electricity consumption information acquisition system to solve the technical problem in the background technology, upgrade the existing electricity consumption information acquisition simulation laboratory environment and realize demonstration or remote sharing of the operation process. Building an immersive virtual reality scene model, 1: 1 reducing a typical consumer site environment. By utilizing the virtual reality technology, the personnel wearing the virtual reality equipment can exercise real exercises in the virtual reality scene. Through network connection, real-time interaction of a plurality of virtual reality clients is realized, and real-time synchronization of characters, real-time synchronization of virtual reality operation and real-time synchronization of voice are included.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
Public transformer station district town power consumption information acquisition system of virtual reality includes: a virtual scene model and hardware facilities supporting the scene model;
the virtual scene model comprises:
the method comprises the steps that an overhead line builds a virtual scene model according to a real pole change scene of a public distribution transformer area, and a vivid virtual overhead line operation scene is built for students;
the low-voltage comprehensive distribution box is internally provided with a wire inlet chamber, a metering chamber, a wire outlet chamber and a reactive compensation chamber; the measuring room is provided with an examination summary table, an I-type concentrator and a combined junction box; through the control of VR control software, the data of the check general table can be summoned and tested by a simulation master station in the metering room, the transmission path of the data signal of the general table can be summoned and tested, students can be prompted to practice wiring in a voice mode, and the voltage and current loop wiring between the metering room joint junction box and the electric energy meter can be adjusted through virtual action;
the three-phase metering box comprises a three-phase one-user straight-through type and a three-phase one-user mutual inductor type; through the control of VR control software, the method can simulate the master station to call the data of the user electric energy meter, and highlight and display the call and test signal transmission path in different networking modes;
the single-phase metering box is internally provided with a single-phase intelligent electric energy meter, an incoming switch, an outgoing switch and a II-type collector, and can simulate a master station to call and test data of the single-phase user electric energy meter and highlight and display signal transmission paths under different networking modes under the control of VR control software;
the low-voltage overhead line is built according to a real overhead line environment;
the power utilization load model is used as a power utilization load and has a function of simulating the lighting power utilization state;
the hardware facility for supporting the scene model comprises:
the perception layer is used for receiving the information of the operating handle of the student and transmitting video animation information;
the application layer is used for managing various model material libraries and transmitting light effect, sound and smoke module data;
the network layer is used for sharing the VR training video information in the local area network;
the equipment layer is used for enabling the student to walk freely and capturing and automatically positioning the position of the student; and installing VR control software, receiving the data information of the perception layer, and transmitting each model scene and data to the perception layer.
The technical scheme is further optimized, the overhead line is a 10kV overhead line and comprises a 10kV overhead bus, a cement wire pole, a line switch, a lightning arrester, a pole transformer, a cross arm, a hoop and an insulator, and the installation sequence and the installation process of each part are consistent with those of a real environment.
According to the technical scheme, the lower end of the combined junction box is connected with the low-voltage bus and the current transformer through the color separation wires for the second time, the upper end of the combined junction box is connected with the checking master meter and the I-type concentrator meter tail terminal through the color separation wires, and the 485 communication terminals of the checking master meter and the I-type concentrator are connected through the wires.
According to the technical scheme, a three-phase four-wire straight-through intelligent electric energy meter, an incoming line breaker switch and an outgoing line breaker switch are installed in the three-phase one-user straight-through metering box according to a real metering environment; and a three-phase one user installs a three-phase four-wire intelligent cost control electric energy meter, an incoming line molded case circuit breaker, an I-type collector, a current transformer, a combined junction box and an outgoing line molded case circuit breaker through the transformer type metering box according to a real metering environment.
According to the technical scheme, the line length from the low-voltage overhead line to the metering box is set to be different numerical values so as to show the attenuation of the length of the simulated overhead line to the strength of the power utilization information acquisition signal and the phenomenon of failure of power utilization information acquisition;
the space range between low pressure overhead line and the batch meter is arranged with the building of different degrees and is sheltered from for show different buildings shelter from the phenomenon to power consumption information acquisition signal intensity's decay and arouse power consumption information acquisition failure.
According to the technical scheme, the checking total meter is a three-phase four-wire intelligent fee control electric energy meter accessed through a mutual inductor, and has the appearance and meter tail terminal wiring which are consistent with those of a real three-phase four-wire intelligent fee control electric energy meter; the liquid crystal screen on the panel of the checking summary table can display simulated low-voltage overhead bus total power consumption data and can display 485 communication state symbols in a simulated mode; the active pulse indicator lamp and the reactive pulse indicator lamp on the panel of the checking summary table can simulate the metering state of the low-voltage overhead bus during normal power utilization.
According to the technical scheme, the single-phase intelligent cost control electric energy meter has the appearance and the meter tail terminal wiring which are consistent with those of a real single-phase intelligent cost control electric energy meter; the liquid crystal screen on the panel of the single-phase intelligent cost control electric energy meter can display simulated single-phase user electricity consumption data and can display a carrier communication state symbol in a simulated manner; the on-panel pulse indicator lamp of the single-phase intelligent charge control electric energy meter can simulate the metering state of normal electricity consumption of a user, the on-panel trip indicator lamp can simulate remote switching-off and switching-on states, the on-panel display button can simulate the button logic of a switching-on allowable state, and the on-off state of an internal current circuit of the electric energy meter can be highlighted and corresponds to the switching-off and switching-on states of the electric energy meter one by one.
Further optimizing the technical scheme, the power load model comprises:
the urban resident users build a virtual model according to urban resident houses, and the virtual model is used as the power load of the single-phase metering box and has a lighting power utilization state simulation function;
the method comprises the following steps that a virtual model is built according to a town workshop building and serves as an electric load of a three-phase one-user through metering box, and the virtual model has a lighting power utilization state simulation function and a sound effect simulation electric device frequent starting function;
the virtual model is built according to real factory building in the minilab, and as the power consumption load of three-phase user through mutual-inductor access formula batch meter, has illumination power consumption state analog function, has the frequent start-up function of audio simulation electrical equipment simultaneously.
Further optimizing the technical scheme, the sensing layer comprises:
the handle is used for inputting data information and realizing interactive operation;
VR head display glasses;
the device layer includes:
the VR host is a control center of the whole virtual reality power utilization information acquisition system, is provided with VR control software, receives data information input by the positioning capture device and the handle, and transmits each model scene and data to VR head display glasses;
the network layer includes:
the VR traveling platform adopts a metal frame, a pair of wireless positioning, tracking and capturing devices and a multimedia liquid crystal television are arranged above the metal frame, a student can freely travel within the range of the platform frame, and the wireless tracking and capturing devices automatically position the student; the output end of the VR host is connected with the input end of the multimedia liquid crystal television;
the application layer comprises:
the output end of the VR host is connected to the input end of the overhead line model material library, and the output end of the overhead line model material library is connected to the input end of the meter model material library;
the output end of the VR host is connected to the input end of the electrical equipment model material library, the output end of the electrical equipment model material library is connected to the input end of the electrical load model material library, and the output end of the electrical load model material library is connected to the input end of the tool model material library;
the output end of the VR host is connected with the input end of the light generation module, and the output end of the light generation module is connected with the input end of the smoke generation module;
the output end of the VR host is connected with the input end of the sound effect generation module;
the application layer is connected with the handle in an interactive mode, and the output end of the application layer is connected with the input end of the VR head display glasses.
The technical scheme is further optimized, the VR control software system architecture is built according to five layers of an interface layer, a service control layer, a physical layer, a database control layer and a database, and a physical object is defined as a standard format for information transmission;
interface layer: presenting the value object of the service processing layer to a user in a 3D form, and simultaneously, taking charge of interacting with the user and feeding back the input information of the user to the service control layer;
and (3) a service control layer: the service control layer is responsible for processing interaction and feedback from the interface layer, performing service logic processing and transmitting a processing result to the database control layer; on the other hand, the service control layer processes the data transmitted from the database control layer and displays the processed data to the user through the interface layer;
the database control layer: the database management system is responsible for accessing the database and realizing query, insertion, update and deletion operations of the data table;
a physical layer: defining entity objects and finishing logic mapping of database tables, views and fields;
a database: is a warehouse store that organizes, stores, and manages data according to certain data structures.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows.
The invention relates to an immersive VR training platform for carrying out power utilization information acquisition and on-duty safety education and training on newly-enrolled staff and old staff by a power training system. The virtual reality public transformer town transformer district power utilization information acquisition system carries out analog simulation on power utilization information acquisition technicians, installation construction personnel, field operation and maintenance personnel and the like in the aspects of power utilization information acquisition equipment basic knowledge, equipment installation and use, common fault processing, common power acquisition tool use, the work flow of the whole acquisition system and the like by means of an informatization means. The system is mainly used for teaching and training of power utilization information acquisition and safety production of power systems and power occupational technical institutions.
The virtual reality public transformer town transformer district power consumption information acquisition system capable of being used repeatedly is designed, the presentation forms of multimedia such as texts, graphs, three-dimensional images, three-dimensional animations and sounds are fully utilized, the vision and the hearing of students are stimulated, the learning enthusiasm and the initiative of the students are mobilized, the training purpose is achieved, and meanwhile, the training effect is improved. The problems that the existing practical training cannot be tried, touched and entered and the like are solved, the defects of simulation and training equipment are overcome, and the power grid development cannot be kept up with the updating and upgrading of the simulation and training equipment.
The invention upgrades the existing power utilization information acquisition simulation laboratory environment and realizes demonstration or remote sharing of the operation process. Building an immersive virtual reality scene model, 1: 1 reducing a typical consumer site environment. By utilizing the virtual reality technology, the personnel wearing the virtual reality equipment can exercise real exercises in the virtual reality scene. Through network connection, real-time interaction of a plurality of virtual reality clients is realized, and real-time synchronization of characters, real-time synchronization of virtual reality operation and real-time synchronization of voice are included.
The system of the invention improves and upgrades the structures and the appearances of hardware equipment such as VR digital helmets, operating handles and the like by deeply researching and learning key technologies in the fields of human body basic data, human body action domains and the like in human engineering, realizes seamless connection between three major elements of human-VR equipment-VR contents, organically unifies and achieves healthy, comfortable and effective learning effects.
The invention can simulate the wiring of the voltage and current metering loop at the junction box and the meter tail through the handle according to the voice prompt. The student experiences through the first apparent equipment of VR is virtual 220V alternating voltage electrical characteristics, can touch smoke generator, sound generator, light generator when wrong wiring, can act according to certain rule according to current fault, voltage fault type, builds the audio-visual effect of shake, if in person, guarantees experience person's personal safety. Meanwhile, VR control software can draw the wiring schematic diagram of wrong wiring automatically, and by comparing with the correct wiring schematic diagram, the reason causing the harm of wrong wiring is analyzed, and the impression of students on the harm of wrong wiring is deepened.
The invention adopts a virtual caption button to simulate instruction data sent by a master station, and displays the uplink and downlink transmission paths of the electricity utilization information acquisition signals in different networking modes by summarizing the urban distribution transformer panoramic view through the view angle of the god and adopting a water lamp and a dynamic color separation highlight means.
The method uses a virtual caption button to simulate instruction data sent by a master station, uses virtual dynamic data to show different overhead line lengths and different building shelters in a staring view panoramic mode, uses a sound effect generator and a light generator to simulate frequent starting of high-power electric equipment, uses floating window dynamic data to show changes of carrier signals and wireless signal amplitude values caused by the overhead line lengths, the building shelters and the frequent starting of the high-power electric equipment, and simulates and shows the phenomenon of failure detection of a synchronous voice sounding master station when the amplitude value changes below a set threshold value.
Drawings
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a block diagram of a VR control software module architecture in accordance with the present invention;
FIG. 3 is a data processing flow of VR control software in accordance with the present invention;
FIG. 4 is a standard wiring diagram of the three-phase four-wire transformer type of the present invention;
fig. 5 is a phase-to-ground short-circuit wiring diagram of the three-phase four-wire transformer of the invention.
Detailed Description
The invention will be described in further detail below with reference to the figures and specific examples.
A virtual reality public transformer district town electricity information collection system is shown in combination with figures 1-5, and a public transformer town district electricity information collection environment built according to a real use environment comprises: a virtual scene model and hardware facilities for supporting the scene model.
The virtual scene model comprises: the system comprises an overhead line, a cement pole, a line switch, a cross arm, a hoop, an insulator, a lightning arrester, an oil immersed pole upper transformer, a low-voltage comprehensive distribution box, a combined junction box, an examination master meter, an I-type concentrator and a communication module, a single-phase cost control intelligent electric energy meter and a communication module, a three-phase four-wire through-type cost control intelligent electric energy meter and a communication module, a three-phase four-wire through-transformer type cost control intelligent electric energy meter and a communication module, an I-type collector, an II-type collector, a single-phase user metering box and an in-box external member, a three-phase one-user through-type metering box and an in-box external member, a three-phase one-user through-transformer type metering box and an in-box external member, town residents, a small workshop, a small factory and the like.
And the overhead line builds a virtual scene model according to the real pole change scene of the public distribution transformer station area, and builds a vivid virtual overhead line operation scene for students.
The overhead line is a 10kV overhead line and comprises a 10kV overhead bus, a cement pole, a line switch, a lightning arrester, an on-pole transformer, a cross arm, a hoop and an insulator, wherein the installation sequence and the installation process of each part are consistent with the real environment, and a vivid virtual overhead line operation scene can be created for students.
The low-voltage comprehensive distribution box is internally provided with an incoming line chamber, a metering chamber, an outgoing line chamber and a reactive compensation chamber according to the appearance of a real distribution box. The measuring room is provided with an examination summary table, an I-type concentrator and a combined junction box. The lower end of the combined junction box is connected with the low-voltage bus and the current transformer through the color separation wires for the second time, the upper end of the combined junction box is connected with the examination master meter and the tail terminal of the I-type concentrator through the color separation wires, and the 485 communication terminals of the examination master meter and the I-type concentrator are connected through the wires.
Through the control of VR control software, the data of the checking general table can be summoned and measured by a master station in a measuring room simulation, the transmission path of data signals of the checking general table can be summoned in high brightness, students can be prompted to practice wiring at the position of the combined junction box through voice, and the voltage and current loop wiring between the combined junction box of the measuring room and the electric energy meter can be adjusted through virtual action according to the principles that the voltage transformer can not be short-circuited secondarily and the current transformer can not be open-circuited secondarily.
When the metering loop is in wrong wiring, the sound effect module and the smoke module are triggered, and the damage of insulation breakdown of the loop wire and line fire explosion caused by wrong wiring such as phase line short circuit, overload and the like is created.
The three-phase metering box comprises a three-phase one-user straight-through type and a three-phase one-user through mutual inductor type. The three-phase four-wire straight-through type intelligent electric energy meter, the incoming line breaker switch and the outgoing line breaker switch are installed in the three-phase one-user straight-through type metering box according to a real metering environment; a three-phase one-user installs a three-phase four-wire intelligent charge control electric energy meter, an incoming molded case circuit breaker, an I-type collector, a current transformer, a combined junction box and an outgoing molded case circuit breaker through a transformer type metering box according to a real metering environment.
Through VR control software's control, can simulate the main website and call and survey three-phase four-wire through user's electric energy meter data through mutual-inductor, can highlight show the signal transmission path of calling and surveying under the different network deployment modes of carrier mode, half carrier mode, micropower wireless mode, when the network deployment mode is changed, can remind the student to change concentrator and electric energy meter end local communication module automatically.
The single-phase metering box is a single-phase user metering box, and a single-phase intelligent electric energy meter, an incoming line switch, an outgoing line switch and a II-type collector are arranged in the metering box according to a real metering environment.
Through the control of VR control software, can simulate the master station and call and survey single-phase user electric energy meter data, can highlight show the signal transmission path of calling and surveying under the different network deployment modes of carrier mode, half carrier mode, micropower wireless mode. When the networking mode is changed, a student can be automatically prompted to change the concentrator and the local communication module of the electric energy meter terminal.
The low-voltage overhead line is built according to a real overhead line environment.
The line length from the low-voltage overhead line to the metering box can be set to different values so as to show the attenuation of the length of the simulated overhead line to the strength of the power utilization information acquisition signal and the phenomenon of failure of power utilization information acquisition;
the space range between low pressure overhead line and the batch meter is arranged with the building of different degrees and is sheltered from for show different buildings shelter from the phenomenon to power consumption information acquisition signal intensity's decay and arouse power consumption information acquisition failure.
The checking general meter is a three-phase four-wire intelligent charge control electric energy meter accessed through a mutual inductor, and has the appearance and meter tail terminal wiring which are consistent with those of a real three-phase four-wire intelligent charge control electric energy meter. The liquid crystal screen on the panel of the checking summary table can display simulated low-voltage overhead bus total power consumption data and can simulate and display 485 communication state symbols. The active pulse indicator lamp and the reactive pulse indicator lamp on the panel of the checking summary table can simulate the metering state of the low-voltage overhead bus during normal power utilization.
Can carry out the wiring exercise at the table tail by voice prompt student through VR control software, when measurement return circuit wiring error, trigger audio generator, light generator, alternate short circuit, the harm that the circuit was fired and exploded that the simulation wrong wiring arouses.
The I-type concentrator has the appearance that the real concentrator is consistent and the wiring of a meter tail terminal, a liquid crystal screen on a panel can display simulated power utilization information acquisition data, and a local communication module can be freely replaced between a carrier module and a micropower wireless communication module. The student simply clicks on the module to be replaced according to the system voice prompt, and the VR control software automatically executes the operation steps of detaching the cover screws, opening the cover, taking out the old module, installing the new module, closing the cover and fixing the cover screws. The receiving and transmitting indicator lamps on the carrier communication module and the micropower wireless communication module have the color and communication state indicating function of the real module indicator lamp.
The I type collector has the appearance and the table tail terminal wiring that real I type collector is unanimous, and the receiving and dispatching pilot lamp has the colour and the communication state indicating function of real collector pilot lamp on the panel.
The II type collector has the appearance that real II type collector is unanimous, and the receiving and dispatching pilot lamp on the panel has the colour and the communication state instruction function of real collector pilot lamp.
The single-phase intelligent cost control electric energy meter has the appearance consistent with the real single-phase intelligent cost control electric energy meter and is connected with a meter tail terminal; the liquid crystal screen on the panel of the single-phase intelligent cost control electric energy meter can display simulated single-phase user electricity consumption data and can display a carrier communication state symbol in a simulated mode; the on-panel pulse indicator lamp of the single-phase intelligent charge control electric energy meter can simulate the metering state of normal electricity consumption of a user, the on-panel trip indicator lamp can simulate remote switching-off and switching-on states, the on-panel display button can simulate the button logic of a switching-on allowable state, and the on-off state of an internal current circuit of the electric energy meter can be highlighted and corresponds to the switching-off and switching-on states of the electric energy meter one by one.
The local communication module can be freely replaced between the carrier module and the micropower wireless communication module. The student simply clicks on the module to be replaced according to the system voice prompt, and the VR control software automatically executes the operation steps of detaching the cover screws, opening the cover, taking out the old module, installing the new module, closing the cover and fixing the cover screws. The receiving and transmitting indicator lamps on the carrier communication module and the micropower wireless communication module have the color and communication state indicating function of the real module indicator lamp.
The three-phase four-wire intelligent charge control electric energy meter is divided into a three-phase four-wire direct access type charge control intelligent electric energy meter and a three-phase four-wire through mutual inductor access type charge control intelligent electric energy meter. The appearance and the meter tail terminal wiring that the accuse electric energy meter is unanimous are taken to true three-phase four-wire intelligence have. The liquid crystal screen on the panel can display simulated three-phase four-wire direct users or three-phase four-wire through mutual inductor type user electricity consumption data, and can display 485 communication state symbols and carrier communication state symbols in a simulated mode. The active pulse indicating lamp and the idle pulse indicating lamp on the panel can simulate the metering state of the user during normal power utilization. The tripping indicator lamp on the panel can simulate remote switching-off and switching-on states, and the display button on the panel can simulate button logic of a switching-on allowable state. The on-off state of the current circuit in the electric energy meter can be highlighted and corresponds to the on-off state of the electric energy meter one by one. The local communication module can be freely replaced between the carrier module and the micropower wireless communication module. The student simply clicks on the module to be replaced according to the system voice prompt, and the VR control software automatically executes the operation steps of detaching the cover screws, opening the cover, taking out the old module, installing the new module, closing the cover and fixing the cover screws. The receiving and transmitting indicator lights on the carrier communication module and the micropower wireless communication module have the color and communication state indicating functions of the real module indicator light.
The urban resident user builds a virtual model according to the urban resident residence, and has a lighting power consumption state simulation function as a power consumption load of the single-phase metering box. The remote power failure and recovery operation process can be displayed through VR control software.
The individual workshop builds a virtual model according to the town workshop building, is used as the power load of the three-phase one-user through metering box, has the function of simulating the lighting power utilization state, and has the function of frequently starting the sound effect simulation electrical equipment. The remote power failure and recovery operation process can be displayed through VR control software, and the phenomena of carrier signal intensity attenuation and power utilization information acquisition failure caused by frequent starting of high-power electrical equipment can be displayed.
The virtual model is built according to real factory building in little mill, as three-phase user through the power consumption load of mutual-inductor access formula batch meter, has illumination power consumption state analog function, has the frequent start-up function of audio simulation electrical equipment simultaneously. The remote power failure and recovery operation process can be displayed through VR control software, and the phenomena of carrier signal intensity attenuation and power utilization information acquisition failure caused by frequent starting of high-power electrical equipment can be displayed.
The hardware facilities for supporting the scene model comprise: a sensing layer, an application layer, a network layer and a device layer. VR walking platform, VR host computer, VR head show glasses, handle, multimedia liquid crystal television constitute virtual reality power consumption information acquisition system's hardware supporting platform.
And the sensing layer is used for receiving the information of the operating handle of the student and transmitting video animation information. The sensing layer includes: handle and VR head show glasses. The handle is used for inputting data information and realizing interactive operation.
And the application layer is used for managing various model material libraries and transmitting light effect, sound and smoke module data.
And the network layer is used for sharing in the VR training video information local area network, enabling the student to walk freely and capturing and automatically positioning the position of the student.
The equipment layer is used for enabling the student to walk freely and capturing and automatically positioning the position of the student; and the system is used for installing VR control software, receiving the data information of the perception layer, and transmitting each model scene and data to the perception layer.
The device layer includes a VR host. The VR host is a control center of the whole virtual reality power utilization information acquisition system, is provided with VR control software, receives data information input by the positioning capture device and the handle, and transmits each model scene and data to VR head display glasses;
the network layer includes: VR walking platform, multimedia liquid crystal TV. The VR walking platform adopts a regular octagonal metal frame with the diameter of 3 meters, a pair of positioning capture devices and a multimedia liquid crystal display television are arranged above the metal frame, a student can freely walk within the range of the platform frame, and the capture devices automatically position the student. The VR host computer is whole virtual reality power consumption information acquisition system's control center, installs VR control software, receives the data message of location trapping apparatus, handle input to give VR head display glasses with each model scene and data transmission. Meanwhile, the VR host and the multimedia liquid crystal television are connected through an HDMI high-definition cable, and therefore local sharing of VR video information can be achieved. The output end of the VR host is connected with the input end of the multimedia liquid crystal television.
The application layer comprises:
the output end of the VR host is connected with the input end of the overhead line model material library, and the output end of the overhead line model material library is connected with the input end of the meter model material library;
the output end of the VR host is connected with the input end of the electrical equipment model material library, the output end of the electrical equipment model material library is connected with the input end of the electrical load model material library, and the output end of the electrical load model material library is connected with the input end of the tool model material library;
the output end of the VR host is connected with the input end of the light generation module, and the output end of the light generation module is connected with the input end of the smoke generation module;
the output end of the VR host is connected with the input end of the sound effect generation module;
the application layer is connected with the handle in an interactive mode, and the output end of the application layer is connected with the input end of the VR head display glasses.
VR control software installs in VR host system, various virtual models have been built according to on-the-spot real environment, various virtual models are as required independent assortment builds different power consumption information acquisition environment, can receive the data of trapping apparatus and handle, trigger corresponding audio generator module and the lifelike experience effect that the light generator module needs through input/output interface, the video file that can utilize software internal configuration again explains wrong wiring harm, the relevant knowledge of the procedure of stopping and replying electricity, can also highlight acquisition signal transmission path in power consumption information acquisition process, show the frequent start-up of high-power electrical equipment, the collection signal intensity decay that the building sheltered from and arouses, the phenomenon of power consumption information acquisition failure.
The VR control software system architecture is built according to five layers of an interface layer, a service control layer, a physical layer, a database control layer and a database, and defines a physical object as a standard format for information transmission;
interface layer: a third-party general three-dimensional simulation engine is used for development, a DCI (Downlink control information) framework and an SLAM (simultaneous localization and mapping) technology are adopted, the space can be reconstructed, interaction is converted from a traditional 2D plane into a 3D space, and an xy axis is converted into an xyz axis. On one hand, the interface layer presents the value object of the service processing layer to the user in a 3D form, and is responsible for interacting with the user and feeding back the input information of the user to the service control layer.
And (3) a service control layer: on one hand, the service control layer is responsible for processing interaction and feedback from the interface layer, performing service logic processing, and transmitting a processing result to the database control layer (the latter completes storage processing of the database). On the other hand, the service control layer processes the data transmitted from the database control layer (for example, the entity object is converted into the value object), and the processed data is displayed to the user through the interface layer.
The database control layer: the database control layer, also called DAL layer, is sometimes called persistent layer, and its function is mainly responsible for accessing the database. And operations such as Select (query), Insert (Insert), Update (Update), Delete (Delete) and the like on the data table are realized. Supporting currently popular databases such as Oracle, SQL SERVER or MySql.
A physical layer: defining entity object, and finishing logic mapping to database table, view, field, etc. the entity object is standard transmission format between database control layer, service control layer and interface layer.
A database: the storage system is a warehouse storage for organizing, storing and managing data according to a certain data structure, and a collection of related data of the storage system is a data processing core of the whole system.
The principle of implementation of the invention is as follows.
Each model forms a three-dimensional virtual minimized public transformer town area environment. The method comprises the steps of acquiring the power utilization information of the urban scene of the public transformer area through model construction of main constituent elements, and analyzing the geometric relationship, the light rays, the viewpoints and the nested structure, so that a realistic typical user power utilization scene is generated. The student can experience various working conditions and operation processes when platform electricity information acquisition is normal, unusual and trouble in the scene in VR walking platform within range through wearing VR head show glasses, operating handle. Such as the phenomena of power utilization information acquisition signal transmission paths, metering device wrong wiring damage, remote power failure and power restoration processes, carrier or wireless signal attenuation caused by shielding of high-power electrical equipment by buildings with overhead line lengths, and power utilization information acquisition failure under different networking modes.
Due to the complex abstraction of the electricity utilization information acquisition flow, the electrical characteristics of a metering loop, the invisibility of the acquired signals, the inoperability of various hazards and the irregulability of overhead lines and building sheltering, a whole set of real platform area environment demonstration electricity utilization information acquisition signal flow cannot be repeatedly set up, and the consequences of wrong wiring hazards are avoided. Therefore, the virtual reality public transformer town area power consumption information acquisition system capable of being used repeatedly is designed, the presentation forms of multimedia such as texts, graphs, three-dimensional images, three-dimensional animations and sounds are fully utilized, the vision and the hearing of a student are stimulated, the learning enthusiasm and the initiative of the student are mobilized, the training purpose is achieved, and meanwhile the training effect is improved. The problems that the existing practical training cannot be tested, touched and entered and the like are solved, the problems that simulation and training equipment is insufficient, and the power grid development cannot be kept up with the updating are solved.
The system improves and upgrades the structures and the appearances of hardware equipment such as a VR digital helmet, an operating handle and the like by deeply researching and learning key technologies in the fields of human body basic data, human body action domains and the like in human engineering, realizes seamless connection between three major elements of human-VR equipment-VR contents, is organically unified, and achieves healthy, comfortable and effective learning effects.
The novel head-wearing type HTC Vive experience helmet HTC Vive helmet is simple in wearing method, and compared with other VR helmets, the helmet with the novel head-wearing type HTC Vive experience helmet adopts a three-section headband design, can be completely worn by a user, and is simple in matching mode.
The position of the HTC Vive helmet in contact with the face is made of sponge materials, so that too much oppression cannot be caused. Meanwhile, the design of the nose bridge does not take the nose bridge as a support, so the position of the nose bridge is released. The weight is not particularly great and the user hardly feels something to wear on the head when focusing on the picture during use. Meanwhile, the design takes the support of wearing the myopia glasses into consideration. The inner space is improved, and when the user wears the glasses, the user does not feel obvious oppression.
The handle is designed by ergonomics, the palm is attached in place, the size of the handle is similar to that of a remote controller of a smart television, the handle is light in hand feeling, and the handle can be kept for a user to use for a long time. The circle key at the top of the handle can realize interactive operation such as clicking, touch sliding and the like, and the confirmation key at the bottom can complete most of interactive operation tasks in the virtual reality scene.
The invention can simulate the wiring of a voltage and current metering loop at the junction box and the meter tail according to the voice prompt through the handle. The student experiences through the first apparent equipment of VR is virtual 220V alternating voltage electrical characteristics, can touch smoke generator, sound generator, light generator when wrong wiring, can act according to certain rule according to current fault, voltage fault type, builds the audio-visual effect of shake, if in person, guarantees experience person's personal safety. Meanwhile, VR control software can draw the wiring schematic diagram of wrong wiring automatically, and by comparing with the correct wiring schematic diagram, the reason causing the harm of wrong wiring is analyzed, and the impression of students on the harm of wrong wiring is deepened.
The invention adopts a virtual caption button to simulate instruction data sent by a master station, and displays the uplink and downlink transmission paths of the electricity utilization information acquisition signals in different networking modes by summarizing the urban distribution transformer panoramic view through the view angle of the god and adopting a water lamp and a dynamic color separation highlight means.
The method uses a virtual caption button to simulate instruction data sent by a master station, uses virtual dynamic data to show different overhead line lengths and different building shelters in a staring view panoramic mode, uses a sound effect generator and a light generator to simulate frequent starting of high-power electric equipment, uses floating window dynamic data to show changes of carrier signals and wireless signal amplitude values caused by the overhead line lengths, the building shelters and the frequent starting of the high-power electric equipment, and simulates and shows the phenomenon of failure detection of a synchronous voice sounding master station when the amplitude value changes below a set threshold value.
Claims (9)
1. Public transformer station district town power consumption information acquisition system of virtual reality, its characterized in that includes: a virtual scene model and hardware facilities supporting the scene model;
the virtual scene model comprises:
the method comprises the steps that an overhead line builds a virtual scene model according to a real pole change scene of a public distribution transformer area, and a vivid virtual overhead line operation scene is built for students;
the low-voltage comprehensive distribution box is internally provided with a wire inlet chamber, a metering chamber, a wire outlet chamber and a reactive compensation chamber; the measuring room is provided with an examination summary table, an I-type concentrator and a combined junction box; through the control of VR control software, the data of the check general table can be summoned and tested by a simulation master station in the metering room, the transmission path of the data signal of the general table can be summoned and tested, students can be prompted to practice wiring in a voice mode, and the voltage and current loop wiring between the metering room joint junction box and the electric energy meter can be adjusted through virtual action;
the three-phase metering box comprises a three-phase one-user straight-through type and a three-phase one-user mutual inductor type; through the control of VR control software, the method can simulate the master station to call the data of the user electric energy meter, and highlight and display the call and test signal transmission path in different networking modes;
the single-phase metering box is internally provided with a single-phase intelligent electric energy meter, an incoming switch, an outgoing switch and a II-type collector, and can simulate a master station to call and test data of the single-phase user electric energy meter and highlight and display signal transmission paths under different networking modes under the control of VR control software;
the low-voltage overhead line is built according to a real overhead line environment; the line length from the low-voltage overhead line to the metering box can be set to different values so as to show the attenuation of the length of the simulated overhead line to the power utilization information acquisition signal intensity and the phenomenon of power utilization information acquisition failure;
buildings with different degrees are arranged in the space range from the low-voltage overhead line to the metering box for shielding, so that the phenomena that the shielding of different buildings attenuates the intensity of power utilization information acquisition signals and causes failure of power utilization information acquisition are shown;
the power utilization load model is used as a power utilization load and has a function of simulating a lighting power utilization state;
the hardware facility for supporting the scene model comprises:
the perception layer is used for receiving the information of the operating handle of the student and transmitting video animation information;
the application layer is used for managing various model material libraries and transmitting light effect, sound and smoke module data;
the network layer is used for sharing the VR training video information in the local area network;
the equipment layer is used for enabling the student to walk freely and capturing and automatically positioning the position of the student; and installing VR control software, receiving the data information of the perception layer, and transmitting each model scene and data to the perception layer.
2. The system according to claim 1, wherein the overhead line is a 10kV overhead line, and comprises a 10kV overhead bus, a cement pole, a line switch, a lightning arrester, a pole transformer, a cross arm, a hoop and an insulator, and the installation sequence and the installation process of each part are consistent with the real environment.
3. The system as claimed in claim 1, wherein the lower end of the junction box is connected to the low-voltage bus and the current transformer through color-separated wires for the second time, the upper end of the junction box is connected to the general assessment table and the tail terminal of the I-type concentrator through color-separated wires, and the 485 communication terminals of the general assessment table and the I-type concentrator are connected through wires.
4. The system for acquiring the town electricity consumption information of the virtual reality public transformer station as claimed in claim 1, wherein a three-phase four-wire through type intelligent electric energy meter, an incoming line breaker switch and an outgoing line breaker switch are installed in the three-phase one-user through type metering box according to a real metering environment; and a three-phase one user installs a three-phase four-wire intelligent cost control electric energy meter, an incoming line molded case circuit breaker, an I-type collector, a current transformer, a combined junction box and an outgoing line molded case circuit breaker through the transformer type metering box according to a real metering environment.
5. The system according to claim 1, wherein the assessment summary is a three-phase four-wire mutual inductor access type intelligent cost-control electric energy meter, and has a consistent appearance and tail terminal wiring of a real three-phase four-wire intelligent cost-control electric energy meter; the liquid crystal screen on the panel of the checking summary table can display simulated low-voltage overhead bus total power consumption data and can display 485 communication state symbols in a simulated mode; the active pulse indicator lamp and the reactive pulse indicator lamp on the panel of the checking summary table can simulate the metering state of the low-voltage overhead bus during normal power utilization.
6. The virtual reality public transformer station town electricity information collection system of claim 1, wherein the single-phase intelligent cost-control electric energy meter has a consistent appearance of a real single-phase intelligent cost-control electric energy meter and meter tail terminal wiring; the liquid crystal screen on the panel of the single-phase intelligent cost control electric energy meter can display simulated single-phase user electricity consumption data and can display a carrier communication state symbol in a simulated mode; the pulse indicator lamp on the panel of the single-phase intelligent charge control electric energy meter can simulate the metering state of normal electricity utilization of a user, the trip indicator lamp on the panel can simulate remote switching-off and switching-on states, the panel displays the key logic that the keys can simulate the allowable switching-on state in a circulating mode, and the on-off state of an internal current circuit of the electric energy meter can be highlighted and corresponds to the switching-off and switching-on states of the electric energy meter one by one.
7. The virtual reality public transformer station town electricity information collection system of claim 1, wherein the electricity load model comprises:
the urban resident users build a virtual model according to urban resident houses, serve as the power load of the single-phase metering box, and have a lighting power utilization state simulation function;
the method comprises the following steps that a virtual model is built according to a town workshop building and serves as an electric load of a three-phase one-user through metering box, and the virtual model has a lighting power utilization state simulation function and a sound effect simulation electric device frequent starting function;
the virtual model is built according to real factory building in the minilab, and as the power consumption load of three-phase user through mutual-inductor access formula batch meter, has illumination power consumption state analog function, has the frequent start-up function of audio simulation electrical equipment simultaneously.
8. The virtual reality public transformer station town electricity information collection system of claim 1, wherein the perception layer comprises:
the handle is used for inputting data information and realizing interactive operation;
VR head display glasses;
the device layer includes:
the VR host is a control center of the whole virtual reality power utilization information acquisition system, is provided with VR control software, receives data information input by the positioning capture device and the handle, and transmits each model scene and data to VR head display glasses;
the network layer includes:
the VR traveling platform adopts a metal frame, a pair of wireless positioning, tracking and capturing devices and a multimedia liquid crystal television are arranged above the metal frame, a student can freely travel within the range of the platform frame, and the wireless tracking and capturing devices automatically position the student; the output end of the VR host is connected with the input end of the multimedia liquid crystal television;
the application layer comprises:
the output end of the VR host is connected to the input end of the overhead line model material library, and the output end of the overhead line model material library is connected to the input end of the meter model material library;
the output end of the VR host is connected to the input end of the electrical equipment model material library, the output end of the electrical equipment model material library is connected to the input end of the electrical load model material library, and the output end of the electrical load model material library is connected to the input end of the tool model material library;
the output end of the VR host is connected with the input end of the light generation module, and the output end of the light generation module is connected with the input end of the smoke generation module;
the output end of the VR host is connected with the input end of the sound effect generation module;
the application layer is connected with the handle in an interactive mode, and the output end of the application layer is connected with the input end of the VR head display glasses.
9. The virtual reality public transformer station town electricity consumption information acquisition system of claim 1, wherein the VR control software system architecture is built according to five layers of an interface layer, a service control layer, a physical layer, a database control layer and a database, and defines a physical object as a standard format for information transmission;
interface layer: presenting the value object of the service processing layer to a user in a 3D form, and simultaneously, taking charge of interacting with the user and feeding back the input information of the user to the service control layer;
and (3) a service control layer: the service control layer is responsible for processing interaction and feedback from the interface layer, performing service logic processing and transmitting a processing result to the database control layer; on the other hand, the service control layer processes the data transmitted from the database control layer and displays the processed data to the user through the interface layer;
the database control layer: the database management system is responsible for accessing the database and realizing query, insertion, update and deletion operations of the data table;
a physical layer: defining entity objects and finishing logic mapping of database tables, views and fields;
a database: is a warehouse store that organizes, stores, and manages data according to certain data structures.
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