CN212256628U

CN212256628U - Simulation platform for engineering VR skill teaching based on three-dimensional digital model

Info

Publication number: CN212256628U
Application number: CN202021206109.8U
Authority: CN
Inventors: 叶曙光; 王晓刚; 范同瑞; 赵鹏
Original assignee: Shandong Huiyi Information Technology Co ltd
Current assignee: Shandong Huiyi Information Technology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-12-29
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a simulation platform for engineering VR skill teaching based on a three-dimensional digital model, which comprises a practice matching platform and a VR skill display platform arranged on the practice matching platform; the VR skill display platform comprises a VR model memory and a VR system in communication connection with the VR model memory, and the VR system is in communication connection with a VR head-mounted display screen; the practice matching platform comprises a control mechanism for controlling an action piece of the engineering equipment; and a power supply for supplying power to the control mechanism; the utility model discloses an analog platform of engineering class VR skill teaching based on three-dimensional digital model utilizes GIS's path planning, realizes unified deployment and unified scheduling to send the planning path to rescue unit terminal respectively, can improve rescue efficiency.

Description

Simulation platform for engineering VR skill teaching based on three-dimensional digital model

Technical Field

The utility model relates to a VR skill teaching simulation platform, concretely relates to simulation platform of engineering class VR skill teaching based on three-dimensional digital model belongs to VR skill teaching simulation platform technical field.

Background

The engineering teaching involves the application of later equipment; therefore, a large number of experimental and practical training links are needed in the teaching process, the existing teaching mode is still stopped in the traditional teaching mode, the engineering skill teaching is still stopped in the theoretical teaching and practical training operation, no transition process exists between the theoretical teaching and the practical training operation, and the practical training equipment is mostly engineering entities, so that the direct operation of the engineering equipment is easy to cause equipment damage, and the operation risk is easy to bring to an operator; in recent years, with the rapid development of science and technology, VR technology is applied to teaching, and is a multi-source information fusion interactive system simulation of three-dimensional dynamic real scenes and entity behaviors, so that a user can enter a virtual environment to sense and operate various objects in a virtual world in real time, but no good VR teaching platform exists for engineering skill teaching.

Disclosure of Invention

In order to solve the problem, the utility model provides a simulation platform of engineering class VR technical skill teaching based on three-dimensional digital model carries out the outdoor scene show through VR technical skill show platform to utilize the practice to match platform cooperation outdoor scene operation, thereby reach good teaching effect.

The utility model discloses a simulation platform for engineering VR skill teaching based on a three-dimensional digital model, which comprises a practice matching platform and a VR skill display platform arranged on the practice matching platform; the VR skill display platform comprises a VR model memory and a VR system in communication connection with the VR model memory, and the VR system is in communication connection with a VR head-mounted display screen; the VR system calls a three-dimensional digital model in a VR model memory, and the three-dimensional digital model can be modeled or collected by an Insta360 Pro 2 professional VR panoramic camera and is seamlessly edited by utilizing an integrated Adobe plug-in of the professional VR panoramic camera without splicing; the camera is allowed to record at the maximum code rate, the single-shot video code rate is 120Mbps at most, the optimal image quality and the flexibility of post-production are ensured, and stable data and low-resolution proxy files optimized for Adobe Permieerpo editing can be stored; the agent files are automatically identified and spliced to form a preview stream of 30 frames/second, so that a three-dimensional digital model is manufactured; therefore, the engineering equipment can be acquired in a whole operation process by 360 degrees, and the VR can be displayed through the VR head-mounted display screen; after one process display or partial process display is suspended, the actual operation of a student is needed; during operation, students carry out field control through the practice matching platform; the practice matching platform comprises a control mechanism for controlling an action piece of the engineering equipment; and a power supply for supplying power to the control mechanism; the control mechanism comprises a plurality of analog action output mechanisms and digital action output mechanisms; the analog action output mechanism is electrically connected to the singlechip minimum control system through an AD converter; the digital action output mechanism is directly and electrically connected to the minimum control system of the single chip microcomputer; the single chip microcomputer minimum control system is provided with a memory and a data programming port; and the memory establishes a step control point and a threshold alarm value according to the three-dimensional digital model timeline.

Further, the control mechanism is an engineering equipment mounting control mechanism, and is directly modified by adopting the existing scrapped engineering equipment and a control platform thereof, or the control platform is established according to the 1:1 ratio of the engineering equipment control platform.

Furthermore, a pause playing key is arranged at the VR system, and VR video playing is stopped after the pause playing key is pressed.

Furthermore, a three-dimensional digital model acquired by VR panoramic camera equipment and post-processed and/or a three-dimensional digital model established by three-dimensional modeling software is stored in the VR model memory.

Further, the step display screen is electrically connected to the minimum control system of the single chip microcomputer, and the step display screen displays the completed steps.

Further, a threshold alarm is also arranged on the singlechip minimum control system; the threshold alarm carries out threshold alarm and error shutdown alarm through long sound and short sound respectively.

Compared with the prior art, the utility model discloses a simulation platform of engineering class VR skill teaching based on three-dimensional digital model utilizes GIS's path planning, realizes unified deployment and unified scheduling to send the planning path to rescue unit terminal respectively, can improve rescue efficiency.

Drawings

Fig. 1 is the utility model discloses a VR skill show platform structure sketch map.

Fig. 2 is a schematic diagram of the structure of the practice matching platform of the present invention.

Detailed Description

Example 1:

the simulation platform for engineering VR skill teaching based on the three-dimensional digital model shown in FIGS. 1 and 2 comprises a practice matching platform and a VR skill display platform arranged on the practice matching platform; the VR skill display platform comprises a VR model memory 111 and a VR system 112 in communication with the VR model memory, the VR system being in communication with a VR head mounted display screen 113; the VR system calls a three-dimensional digital model in a VR model memory, and the three-dimensional digital model can be modeled or collected by an Insta360 Pro 2 professional VR panoramic camera and is seamlessly edited by utilizing an integrated Adobe plug-in of the professional VR panoramic camera without splicing; the camera is allowed to record at the maximum code rate, the single-shot video code rate is 120Mbps at most, the optimal image quality and the flexibility of post-production are ensured, and stable data and low-resolution proxy files optimized for Adobe Permieerpo editing can be stored; the agent files are automatically identified and spliced to form a preview stream of 30 frames/second, so that a three-dimensional digital model is manufactured; therefore, the engineering equipment can be acquired in a whole operation process by 360 degrees, and the VR can be displayed through the VR head-mounted display screen; after one process display or partial process display is suspended, the actual operation of a student is needed; during operation, students carry out field control through the practice matching platform; the practice matching platform comprises a control mechanism for controlling an action piece of the engineering equipment; and a power supply for supplying power to the control mechanism; the manipulation mechanism comprises a plurality of analog motion output mechanisms 114 and digital motion output mechanisms 115; the simulation action output mechanism comprises a simulation action output mechanism, a power supply, a voltage or current sampling mechanism and a control system, wherein the simulation action output mechanism comprises an engineering vehicle steering wheel, a clutch plate, a brake plate, an arm angle control rod and the like; digital action output mechanisms such as a safety belt switch, a light switch, a horn switch and the like; the analog action output mechanism is electrically connected to a singlechip minimum control system 117 through an AD converter 116, samples current and voltage, converts the current and voltage through the AD converter, and finally sends the current and voltage to the singlechip minimum control system for metering and threshold judgment; the digital action output mechanism is directly and electrically connected to the singlechip minimum control system, and directly performs port detection judgment switching through the singlechip minimum control system; the single chip microcomputer minimum control system is provided with a memory 118 and a data programming port 119; the memory establishes a step control point and a threshold alarm value according to the three-dimensional digital model timeline; a student watches the three-dimensional digital model through the VR skill display platform, and synchronously acts according to teaching actions of the three-dimensional digital model, if the direction of an action arm of the excavator is adjusted firstly, then the action arm angle is controlled through an arm angle control rod, when the operation steps are wrong, an alarm is given, if the operation steps are correct, whether the control rod controls the action arm angle to reach a threshold value is detected, and when the threshold value is reached, the alarm gives a threshold value alarm and a wrong halt alarm through a long tone and a short tone respectively through the alarm; through threshold value alarming, the visual understanding of the control amplitude is provided for students.

The control mechanism is an engineering equipment mounting control mechanism, and is directly modified by an existing scrapped engineering equipment control platform or a control platform is built according to the 1:1 ratio of the engineering equipment control platform. VR system department is provided with the pause key of playing, presses the pause key of playing back, stops VR video broadcast. A three-dimensional digital model acquired by VR panoramic camera equipment and post-processed and/or a three-dimensional digital model established by three-dimensional modeling software are/is stored in the VR model memory; the step display screen 121 is electrically connected to the minimum control system of the single chip microcomputer and displays the completed steps; a threshold alarm 122 is also arranged on the singlechip minimum control system; the threshold alarm carries out threshold alarm and error shutdown alarm through long sound and short sound respectively.

The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a simulation platform of engineering class VR skill teaching based on three-dimensional digital model which characterized in that: the VR skill demonstration platform is arranged on the practice matching platform; the VR skill display platform comprises a VR model memory and a VR system in communication connection with the VR model memory, and the VR system is in communication connection with a VR head-mounted display screen; the practice matching platform comprises a control mechanism for controlling an action piece of the engineering equipment; and a power supply for supplying power to the control mechanism; the control mechanism comprises a plurality of analog action output mechanisms and digital action output mechanisms; the analog action output mechanism is electrically connected to the singlechip minimum control system through an AD converter; the digital action output mechanism is directly and electrically connected to the minimum control system of the single chip microcomputer; and the minimum control system of the single chip microcomputer is provided with a memory and a data programming port.

2. The three-dimensional digital model-based simulation platform for engineering VR skill teaching of claim 1, wherein: the control mechanism is an engineering equipment mounting control mechanism.

3. The three-dimensional digital model-based simulation platform for engineering VR skill teaching of claim 1, wherein: and a pause playing key is arranged at the VR system.

4. The three-dimensional digital model-based simulation platform for engineering VR skill teaching of claim 1, wherein: and a three-dimensional digital model acquired by VR panoramic camera equipment and post-processing and/or a three-dimensional digital model established by three-dimensional modeling software are/is stored in the VR model memory.

5. The three-dimensional digital model-based simulation platform for engineering VR skill teaching of claim 1, wherein: and the minimum control system of the single chip microcomputer is also electrically connected with a step display screen.

6. The three-dimensional digital model-based simulation platform for engineering VR skill teaching of claim 1, wherein: and a threshold alarm is also arranged on the singlechip minimum control system.