CN210574420U

CN210574420U - Multi-person object display device in virtual reality environment

Info

Publication number: CN210574420U
Application number: CN201921429603.8U
Authority: CN
Inventors: 邹勇; 秦萃丽; 周龙兴; 唐钰翔; 李沛; 张正林; 丁新; 张刚; 赵岩
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-19
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a multi-person display device for realizing virtual reality environment, which comprises a cabinet, wherein the cabinet is divided into three parts from top to bottom, wherein the uppermost part is hinged at the concave part in the upper end surface of the middle part, a groove is arranged in the concave part, the groove is embedded into a display, and a keyboard and a mouse are arranged at the concave part in the upper end surface of the middle part; the front side of the middle part is provided with an electromagnetic suction door, an HTC handle and an HTC helmet are placed in the inner cavity, the position above the right side of the electromagnetic suction door is a perforated position for threading, the right side of the middle part is provided with a side wall opening and a hook, the side wall opening is used for inserting an HTC external junction box, and the hook is used for hanging the HTC helmet; the lowest part is internally provided with a plurality of PC desktops, the internal PC desktops are connected through a local area network, one of the plurality of PC desktops is used for the host, and the rest of the plurality of PC desktops become clients. The utility model discloses can adopt host computer and HTC equipment to carry out the operation flow of analog simulation electric power system, the customer end corresponds the operation training, improves training simulation effect to can correct the feedback to the action of every customer end.

Description

Multi-person object display device in virtual reality environment

Technical Field

The utility model belongs to the technical field of many people are mutual in coordination, a realize many people thing display device in virtual reality environment is related to.

Background

In the power industry, safety awareness and control of safety production operation regulations are of great importance, and currently, the safety production and operation capacity of power grid staff are mainly improved in a traditional teaching mode or a simulation live-action operation mode. In the whole training and practicing link, students lack visual experience and interaction. Therefore, the traditional electric power safety production operation capability and the examination mode cannot be efficiently completed. A virtual reality training environment is set up for the power grid safety production business by combining a virtual reality technology. On the other hand, although the existing motion capture technology can achieve a good motion simulation effect, the practical application has the characteristics of complex equipment wearing and great motion limitation, and the defect is particularly obvious when the problem of practicing to the work flow of the power industry is faced. The distributed virtual reality mode has the defects of high requirements on hardware and environment, high cost and high software and hardware deployment and debugging time in practical application, cannot meet the requirement of collaborative training of multiple students, improves the safety consciousness and safety skills of the students, cannot effectively realize training process control and closed-loop feedback, is difficult to correct habitual violation and realize quick multi-role collaborative drilling.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the utility model provides a realize many people's thing display device in virtual reality environment to solve the technical problem that exists among the prior art.

The utility model discloses the technical scheme who takes does: a multi-person display device for realizing a virtual reality environment comprises a cabinet, wherein the cabinet is divided into three parts from top to bottom, the uppermost part is hinged to a concave part in the upper end face of the middle part, a groove is arranged in the concave part, the groove is embedded into a display, and a keyboard and a mouse are arranged in the concave part in the upper end face of the middle part; the front side of the middle part is provided with an electromagnetic suction door, an HTC handle and an HTC helmet are placed in the inner cavity, the position above the right side of the electromagnetic suction door is a perforated position for threading, the right side of the middle part is provided with a side wall opening and a hook, the side wall opening is used for inserting an HTC external junction box, and the hook is used for hanging the HTC helmet; the lowest part is internally stored with a plurality of PC desktops, the internal PC desktops are connected through a local area network, one of the PC desktops is used for a host computer, the rest PC desktops become clients, and the host computer is used for running a server program and storing a network program example and managing network objects shared by all the clients and states needing synchronization.

The PC desktop is connected with three trackers, two handles and a helmet, the three trackers are respectively installed on the feet and the waist of a user, the two handles are installed on the two hands of the user, and the helmet is fixedly installed on the head of the user.

The utility model has the advantages that: compared with the prior art, the utility model discloses mutual display device, client personnel can follow operating personnel's in the host computer action simulation in virtual environment, carry out the training of electric power operation flow, and the student who participates in the training need see in the training that the action detail of operator can have comparatively deep impression to the operation flow, to a series of operations violating the regulations that produce in the training, the system need let all personnel that participate in the exercise audio-visual seeing, the utility model discloses an acquire the equipment current position information that equipment was acquireed that different personalities were worn at different clients, realize the tracking of many people's thing action through host computer transmission these position information, make the model skeleton can follow the action of human action under the LAN environment and catch to can feed back the action of catching in real time in the personage model of the VR environment of different personalities. The utility model is mainly applied to the virtual reality environment of multiple people, and realizes the real-time capture of multiple people by improving the current single action capture technology; the problems that the equipment is complex to wear and has large limitation on actions are solved; the multi-person moving capture can be completed under one set of positioner, the problems of high requirements on hardware and environment and high cost are solved, and a virtual power grid production operation environment can be set at any place.

Drawings

FIG. 1 is a schematic view of the device of the present invention;

FIG. 2 is a schematic view of the back design of the device of the present invention;

FIG. 3 is a schematic view of the structural connection of the device of the present invention;

FIG. 4 is a data flow diagram of a server and a client;

FIG. 5 is a diagram of server and client module calls.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in fig. 1-5, a multi-character display device for realizing a virtual reality environment comprises a cabinet, the cabinet is divided into three parts from top to bottom, wherein the uppermost part is hinged to a concave part in the upper end surface of the middle part, a groove is arranged in the concave part, the groove is embedded into a display for observation of visitors, a keyboard and a mouse are arranged in the concave part in the upper end surface of the middle part, and collision and extrusion between the screen and the keyboard and the mouse are avoided when the uppermost part is closed; the front side of the middle part is provided with an electromagnetic suction door which can be opened downwards, an HTC handle and an HTC helmet are placed in an internal cavity, the upper right position of the electromagnetic suction door is a hole opening position for threading, the HTC helmet needs to be stored in a dustproof manner, the helmet can be placed in the layer of cabinet, a wire hole in the cabinet door is used for threading, the right side of the middle part is provided with a side wall opening and a hook, the side wall opening is used for inserting an HTC external connection wire box, and the hook is used for hanging the HTC helmet; the lowest part is internally stored with a plurality of PC desktops, the internal PC desktops are connected through a local area network, one of the PC desktops is used for a host computer, the rest PC desktops become clients, and the host computer is used for running a server program and storing a network program example and managing network objects shared by all the clients and states needing synchronization.

The reset button is arranged on the right side of the cabinet and used for replacing a key for starting a desktop power supply of a PC (personal computer), and the back panel of the cabinet can be detached, so that wiring arrangement of the PC and the HTC equipment and line descending arrangement of the display are conveniently carried out. A gap is reserved between the back panel and the interlayer plate in the cabinet body, so that up-and-down wiring and wiring adjustment of various circuits are facilitated.

As shown in fig. 2, is a schematic view of the structural connection of the present invention. Any one virtual reality multi-person object display device can be used for establishing a host through a built-in system to become a client, the other devices are used as clients and connected with the host, the host is used for running a server program, and the server is used for storing a network program example and managing network objects shared by all the clients and synchronous position information states. Any user can establish the host computer, becomes the server side, and all the other users can add the LAN after the host computer is established, and server side and all the other clients all run a client example in local, and different users pass through HTCVIVE equipment, acquire user action data including interior three tracker, two handles and a helmet, realize local action through HTCVIVE locator on local client example and catch, and HTCVIVE equipment of different users only controls action and the state of local personage model promptly, the utility model discloses support under the same set of HTCVIVE locator of 5 bit users 1 at most including the server side.

In each client, all network objects including characters and scene objects of different users in a client scene are set by a network management module, and the network objects can be uniformly processed in the whole local area network system by the network identification. The client must receive the objects and the attributes thereof from the server, generate a user character model in a hatching mode when the client is added into a local area network scene, and manage the life cycle, displacement and state synchronization of the distributed character objects by a hatching system of the server. The network objects comprise character objects and scene objects, which are all objects registered on the server and managed by the hatching system, and must contain a network identification. The character object is a special network object, which means that a client user joins in a local area network virtual reality scene, and the server creates and hatches a network object controlled by the client. Program instances running on the client can control their state and are automatically synchronized by the server to the clients of other users. All users running locally only have the control authority on the local character model and the control authority hatched from the scene object of the local client.

In practical use, all users need to be equipped with a set of HTCVIVE equipment and a computer with a client program and a configured Steam VR environment, and in addition, three trackers, two handles and a helmet are needed, and all the equipment are connected with the computer through a patch cord. Any one party can establish a host, other users can access the local area network through inputting the IP address of the local area network of the host, after entering a virtual reality scene, a client program is input into a computer through data of access equipment to be initialized and enters the scene, a model binding module is used for correspondingly and binding positions of the waist, the feet, the hands and the head which are collected by three trackers, two handles and a helmet in the scene and positions corresponding to the model, a motion capture module tracks the motion condition of the currently bound skeleton in real time through the trackers and the handles, a human skeleton part without the trackers is calculated by a reverse dynamics method, and finally, the acquired character motion data are synchronized to all clients through a network management module.

Wherein network management module improves based on native Unet's basic network management module, has realized the utility model discloses the basic networking function of bottom, it has defined the personage model prefabricated part of all mount network signs, including operator, supervisor and assistant, through setting up different user signs, correspond different generation positions, user personage model generation method generates for the polling in virtual scene, generates user control's personage model according to the position that has stipulated in proper order promptly. In the program running process, the client calls a Command Command of a network object corresponding to the server to upload character model actions and state data to the server and execute the character model actions and the state data on the server, and then the server calls related methods of all network objects corresponding to the client by using a ClientRPC Command to transmit the character model actions and the state data back to the client, so that the action and state synchronization of the character model is completed, and in addition, a syncVar Command is used for synchronizing related variables between the server and the client to realize data synchronization.

The network conversion module is a sub-module of the network management module, can synchronize the transformation, displacement and action of the character model of the user on the local area network, and judges whether the character model is the local user identifier, and only the local user can move the network object of the local user. This network object transformation, including placement, rotation, and scaling, is synchronized between the server and all clients through the network transformation component. Currently, all network applications are subject to some degree of delay, often limited by the speed of data transfer between the client and server. The network conversion component has network sending rate setting and can be used for setting the frequency of the network conversion component for sending synchronous data, the network updating frequency between the client and the server can have great influence on the feeling of the network multi-person network, and the most intuitive effect is the fluency of the actions of the network objects of the two parties. Compelling to the current network, hardware and other foundations, the synchronization of a multi-person network cannot be perfect, and two or more remote clients cannot be in the same state.

The utility model discloses an among the LAN display system, the server generates the network object that has network identity through the mode of hatching. This will automatically create them on the client connected to the server and assign them a network instance ID for identifying network objects between all participants in the network. It is assigned at runtime by the server when the object is derived. The utility model discloses in, operator, supervisor and assistant correspond the personage model prefabrication body among the different virtual reality to bind the network identification subassembly, as their only sign in virtual scene. For scene objects, when a client connects to the server, the server sends a derived message telling the client which scene network objects to enable, along with their latest state information.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention, therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. The utility model provides a realize many people's thing display device in virtual reality environment which characterized in that: the mouse-free keyboard comprises a cabinet, wherein the cabinet is divided into three parts from top to bottom, the uppermost part is hinged to a concave part on the upper end face of the middle part, a groove is arranged in the concave part, the groove is embedded into a display, and a keyboard and a mouse are arranged in the concave part on the upper end face of the middle part; the front side of the middle part is provided with an electromagnetic suction door, an HTC handle and an HTC helmet are placed in the inner cavity, the position above the right side of the electromagnetic suction door is a perforated position for threading, the right side of the middle part is provided with a side wall opening and a hook, the side wall opening is used for inserting an HTC external junction box, and the hook is used for hanging the HTC helmet; the lowest part is internally stored with a plurality of PC desktops, the internal PC desktops are connected through a local area network, one of the PC desktops is used for a host computer, the rest PC desktops become clients, and the host computer is used for running a server program and storing a network program example and managing network objects shared by all the clients and states needing synchronization.

2. The apparatus for enabling multi-character presentation in a virtual reality environment of claim 1, wherein: the PC desktop is connected with three trackers, two handles and a helmet, the three trackers are respectively installed on the feet and the waist of a user, the two handles are installed on the two hands of the user, and the helmet is fixedly installed on the head of the user.