Engineering experiment safety early warning device and method based on virtual reality technology

Abstract

The invention belongs to the technical field of early warning devices, and discloses an engineering experiment safety early warning device and method based on the virtual reality technology, and the device comprises a housing, the front side of the housing is provided with a protection door, one side of the protection door is provided with a display, the interior of the housing is provided with a controller, the top of the housing is provided with an alarm lamp, and the top of the controller is provided with a mounting block. The two sides of the mounting block are fixedly mounted on the inner wall of the shell, a mounting groove is formed in the mounting block, a double-shaft motor is fixedly mounted in the mounting groove, the output ends of the two sides of the double-shaft motor are fixedly connected with threaded rods, and one end of each threaded rod is rotationally connected with the inner wall of the mounting groove. When the alarm lamp is moved into the shell, the standby lamp is moved out of the shell, the alarm lamp and the standby lamp are automatically replaced, when the alarm lamp breaks down, safety early warning can be conveniently conducted through the rapidly-replaced standby lamp, the working efficiency is conveniently improved, accidents are conveniently prevented, and the life safety of experimenters is conveniently prevented from being affected.

Description

Technical Field

[0001] The invention belongs to the technical field of early warning devices, and in particular relates to an engineering experiment safety early warning device and method based on virtual reality technology. Background Art

[0002] The engineering experiment based on virtual reality technology is a VR virtual simulation laboratory. The VR virtual simulation laboratory is an open networked virtual experimental teaching system built based on Web technology and VR virtual reality technology, which realizes the digitization and virtualization of various teaching training rooms. This laboratory integrates a variety of interactive hardware settings to simulate each link of experimental teaching, share teaching facilities, save real teaching resources, stimulate students' learning interest, and promote the cultivation of students' practical operation ability. The formal commissioning of this laboratory marks a new model of deep integration of information technology and education and teaching, aiming to promote the innovation of education and teaching methods. The preventive measures and emergency plans for laboratory safety accidents are also an important part of the engineering experiment safety early warning device. By using the safety early warning device, safety hazards can be discovered and dealt with in a timely manner, accidents can be effectively prevented, and the safety of laboratory personnel and property can be guaranteed.

[0003] In the prior art, the alarm light of the early warning device is prone to poor contact after long-term use, causing it to flash continuously or remain on all the time. The faulty alarm light needs to be disassembled before it can be repaired or replaced. When an emergency occurs, it cannot be discovered and handled in time, which is not conducive to improving work efficiency and affects the safety of laboratory personnel and property. Summary of the invention

[0004] The present invention aims at the problems in the prior art and proposes the following technical solutions: an engineering experiment safety warning device based on virtual reality technology, comprising a shell, a protective door is arranged on the front side of the shell, a display is arranged on one side of the protective door, a controller is arranged inside the shell, an alarm light is arranged on the top of the shell, a mounting block is arranged on the top of the controller, both sides of the mounting block are fixedly mounted to the inner wall of the shell, a mounting groove is arranged inside the mounting block, a double-axis motor is fixedly mounted inside the mounting groove, threaded rods are fixedly connected to the output ends of both sides of the double-axis motor, one end of the threaded rod is rotatably connected to the inner wall of the mounting groove, one end of the threaded rod is threadedly connected to a moving block, the bottom of the moving block is slidably connected to the inner wall of the mounting groove, a fixing plate is arranged at the bottom of the alarm light, and both ends of the bottom of the fixing plate are fixedly connected to support blocks. A supporting plate is provided at the bottom of the supporting block, a rotating rod is fixedly connected to the bottom of the supporting plate, a rotating groove is provided at the top of the mounting block, the rotating rod is located inside the rotating groove, and both ends of the rotating rod are rotatably connected to the rotating groove, a sliding groove is provided on one side of the supporting plate, a sliding block is slidably connected inside the sliding groove, a rotating plate is hinged on one side of the sliding block, one end of the rotating plate is hinged to the top of the moving block, a connecting rod is fixedly connected to the bottom of the fixed plate and located on one side of the supporting block, one end of the connecting rod is fixedly connected to a first rack, a gear is meshed on one side of the first rack, a movable rod is fixedly connected to the middle part of the gear, both ends of the movable rod are rotatably connected to the inner wall of the shell, a second rack is meshed on one side of the gear, a movable plate is fixedly installed on one side of the second rack, one side of the movable plate is movably connected to the inner wall of the shell, and a spare light is provided on the top of the movable plate.

[0005] As a preferred embodiment of the above technical solution, a first moving opening is opened at the bottom of the alarm light and located at the top of the shell, a second moving opening is opened on one side of the first moving opening and located at the top of the shell, a moving hole is arranged between the first moving opening and the second moving opening, a fixed plate is arranged inside the first moving opening, a fixed structure is arranged on both sides of the second moving opening and located at the top of the shell, the second rack is arranged at the bottom of the moving hole, a compression spring is fixedly connected to the bottom of the fixing plate, one end of the compression spring is fixedly installed to the top of the mounting block, and the compression spring is arranged between the support block and the support plate.

[0006] As a preferred embodiment of the above technical solution, two movable grooves are opened on the top of the mounting block, the moving block is located at the end of the threaded rod away from the dual-axis motor, the top of the moving block and the end of the rotating plate away from the support plate are located in the movable groove, the bottom of the support block is in contact with the top of the support plate, the connecting rod is located at the top of the support plate, the shape of the connecting rod is L-shaped, and the support plate, support block, slider, rotating plate and moving block are symmetrically arranged with the center of the fixed plate.

[0007] As a preferred embodiment of the above technical solution, connecting plates are fixedly connected on both sides of the first rack and the second rack, the connecting plate is away from the first rack and one end of the second rack is slidably connected to the inner wall of the shell, two first telescopic rods are fixedly connected to the bottom of the movable plate, the bottom of the first telescopic rod is fixedly connected to the inner wall of the shell, and the first telescopic rod is located on one side of the mounting block.

[0008] As a preferred embodiment of the above technical solution, a fixing groove is opened on the inner wall of the top of the shell, the fixing groove is located on one side of the second moving opening, an electric push rod is fixedly installed inside the fixing groove, one end of the electric push rod is fixedly connected to a baffle, the baffle is located inside the second moving opening, and the baffle is located on the top of the standby lamp.

[0009] As a preferred embodiment of the above technical solution, two first fixed blocks are fixedly connected to the top of the shell, and limiting plates are slidably connected inside the two first fixed blocks. Limiting blocks are fixedly connected on both sides of the limiting plates. The limiting blocks are slidably connected to the inner walls of the first fixed blocks, one end of the limiting plate is located outside the first fixed block, and a magnetic block is fixedly connected to one side of the limiting block.

[0010] As a preferred embodiment of the above technical solution, the first fixed block, the limiting plate, the limiting block and the magnetic block are symmetrically arranged with respect to the center of the shell. There are two magnetic blocks and two limiting plates. The two magnetic blocks are magnetically connected. The magnetic blocks are located on both sides of the alarm light. Two circular grooves are provided on the side of the limiting plate away from the magnetic block. Two connecting springs are fixedly connected inside the circular grooves. One end of the connecting spring is fixedly connected to the inner wall of the first fixed block.

[0011] As a preferred embodiment of the above technical solution, the fixed structure includes two second fixed blocks, one side of the two second fixed blocks is fixedly connected with a fixing spring, one end of the fixing spring is fixedly connected with a clamping block, the opposite side of the two fixed blocks is fixedly connected with a second telescopic rod, both sides of the clamping blocks are fixedly connected with a support rod, one end of the support rod is fixedly connected with the second telescopic rod, and a fixing rod is fixedly connected between the second telescopic rods.

[0012] As a preferred embodiment of the above technical solution, the pressing blocks are located on both sides of the second moving opening, the opposite side of the pressing block is arc-shaped, and the second telescopic rod and the fixed rod are located on both sides of the pressing block.

[0013] The present invention also provides a method for using the engineering experiment safety warning device based on virtual reality technology, the method comprising the following steps:

[0014] Step 1: When the alarm light fails, the controller is used to rotate the dual-axis motor, and the dual-axis motor drives the threaded rod to rotate. The bottom of the moving block is limited by the sliding connection with the inner wall of the installation groove, so that the moving block moves along the direction of the threaded rod toward the dual-axis motor. When the moving block moves, it drives the rotating plate at the top to rotate. The other end of the rotating plate rotates to make the slider move along the slide groove of the support plate, so that the support plate moves from a vertical state to a horizontal direction. When the moving block moves to one side of the dual-axis motor, the rotating plate rotates to make the slider move to one end of the slide groove, thereby rotating the support plate to a horizontal state, and the top of the support plate is no longer in contact with the bottom of the support block.

[0015] Step 2: When the support block and the fixed plate are no longer supported, the fixed plate drives the top warning light through the first moving opening to the inside of the shell, so that the compression spring at the bottom of the fixed plate is compressed. When the fixed plate drives the support block to move to the top of the support plate in a horizontal state, the warning light moves completely to the inside of the shell. At the same time, through the magnetic effect of the magnetic blocks on both sides of the first moving opening, the limiting blocks connected to the two sides of the limiting plate move inside the first fixed block, and the connecting spring is stretched, so that the limiting plates move closer to each other toward the outside of the first fixed block. When the two magnetic blocks are attracted to each other, the limiting plate moves to the top of the first moving opening to block the first moving opening.

[0016] Step 3: When the fixed plate moves toward the inside of the shell, the fixed plate drives the connecting rod and the first rack to move downward, so that the connecting plates on both sides of the first rack move downward along the inner wall of the shell, thereby driving the gear and the movable rod to rotate along the inner wall of the shell, and the second rack drives the movable plate to move upward, and the first telescopic rod is extended, so that the standby light on the top of the movable plate moves toward the second movable opening;

[0017] Step 4: When the moving plate drives the backup light to move, the electric push rod is started at the same time to drive the baffle to move to the inside of the fixed groove to expose the second moving opening, so that the backup light can move to the top of the shell through the second moving opening. When the top of the backup light moves to the top of the shell, the clamping block is squeezed to make the clamping block move to both sides of the second moving opening, the fixed spring is compressed, and the clamping block shrinks the second telescopic rod through the support rod. When the moving plate moves to the bottom of the second moving opening, one end of the second rack moves to the top of the shell through the moving hole, and the backup light is completely moved to the top of the shell, so that the clamping block clamps and fixes both sides of the backup light, thereby fixing the backup light on the top of the shell, which is convenient for the device to continue to provide safety warnings.

[0018] The beneficial effects of the present invention are:

[0019] (1) In the present invention, when the alarm light moves to the inside of the housing, the backup light moves to the outside of the housing, so that the alarm light and the backup light are automatically replaced. When the alarm light fails, a safety warning can be issued by the quickly replaced backup light, thereby improving work efficiency and preventing accidents from occurring and affecting the life safety of experimenters.

[0020] (2) The present invention uses the abutment block, the second telescopic rod, the fixing rod, the support rod and the compression spring to fix the standby lamp when the standby lamp moves to the top of the housing, thereby improving the stability of the standby lamp and facilitating its use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 What is shown is a schematic diagram of the overall structure of the embodiment;

[0022] Figure 2 Shown is a top view of an embodiment housing;

[0023] Figure 3 What is shown is the internal structure diagram of the housing of the embodiment;

[0024] Figure 4 Shown is a cross-sectional view of an embodiment housing;

[0025] Figure 5 Shown is a structural diagram of an embodiment housing;

[0026] Figure 6 Shown is a structural diagram of the embodiment mounting block, warning light and backup light;

[0027] Figure 7 Shown is a structural diagram of a mounting block and a support plate of an embodiment;

[0028] Figure 8 What is shown is a structural diagram of a fixing plate and a supporting plate of an embodiment;

[0029] Fig. 9 Shown is a diagram of the internal structure of the mounting block of the embodiment;

[0030] Fig.10 What is shown is a structural diagram of the first fixing block and the limiting plate of the embodiment structure;

[0031] Fig.11 Shown is a structural diagram of a fixing structure of an embodiment.

[0032] In the figure: 1, shell; 2, protective door; 3, display; 4, controller; 5, warning light; 6, mounting block; 7, dual-axis motor; 8, threaded rod; 9, moving block; 10, fixed plate; 11, support block; 12, support plate; 13, rotating rod; 14, slider; 15, rotating plate; 16, connecting rod; 17, first rack; 18, gear; 19, second rack; 20, moving plate; 21, standby light; 22, fixed structure; 221, second fixed block; 222, fixed spring; 223, pressing block; 224, second telescopic rod; 225, support rod; 226, fixed rod; 23, compression spring; 24, connecting plate; 25, electric push rod; 26, baffle; 27, first fixed block; 28, limiting plate; 29, limiting block; 30, magnetic block; 31, first telescopic rod. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0034] The present invention provides an engineering experiment safety warning device based on virtual reality technology, such as Figures 1 to 9As shown, it includes a shell 1, a protective door 2 is arranged on the front side of the shell 1, a display 3 is arranged on one side of the protective door 2, a controller 4 is arranged inside the shell 1, an alarm light 5 is arranged on the top of the shell 1, a mounting block 6 is arranged on the top of the controller 4, both sides of the mounting block 6 are fixedly installed with the inner wall of the shell 1, a mounting groove is opened inside the mounting block 6, a double-axis motor 7 is fixedly installed inside the mounting groove, threaded rods 8 are fixedly connected to the output ends of both sides of the double-axis motor 7, one end of the threaded rod 8 is rotatably connected to the inner wall of the mounting groove, one end of the threaded rod 8 is threadedly connected to a moving block 9, the bottom of the moving block 9 is slidably connected to the inner wall of the mounting groove, a fixing plate 10 is arranged at the bottom of the alarm light 5, both ends of the bottom of the fixing plate 10 are fixedly connected to support blocks 11, a support plate 12 is arranged at the bottom of the support block 11, and a rotating rod 13 is fixedly connected to the bottom of the support plate 12. A rotating groove is provided on the top of the mounting block 6, and a rotating rod 13 is located inside the rotating groove, and both ends of the rotating rod 13 are rotatably connected to the rotating groove. A sliding groove is provided on one side of the supporting plate 12, and a slider 14 is slidably connected inside the sliding groove. A rotating plate 15 is hinged on one side of the slider 14, and one end of the rotating plate 15 is hinged to the top of the moving block 9. A connecting rod 16 is fixedly connected to the bottom of the fixed plate 10 and located on one side of the supporting block 11, and one end of the connecting rod 16 is fixedly connected to a first rack 17, and a gear 18 is meshed on one side of the first rack 17. A movable rod is fixedly connected to the middle part of the gear 18, and both ends of the movable rod are rotatably connected to the inner wall of the shell 1, and a second rack 19 is meshed on one side of the gear 18. A movable plate 20 is fixedly installed on one side of the second rack 19, and one side of the movable plate 20 is movably connected to the inner wall of the shell 1, and a spare lamp 21 is arranged on the top of the movable plate 20.

[0035] The protective door 2 is used to protect the controller 4 inside the shell 1, the display 3 is used to display the data inside the laboratory, and the alarm light 5 is used to give an early warning to the inside of the laboratory. When the alarm light 5 fails, the dual-axis motor 7 is rotated through the controller 4, and the dual-axis motor 7 drives the threaded rod 8 to rotate. The bottom of the moving block 9 is slidingly connected with the inner wall of the installation groove, so that the moving block 9 moves toward the dual-axis motor 7 along the direction of the threaded rod 8. When the moving block 9 moves, it drives the rotating plate 15 on the top to rotate. The other end of the rotating plate 15 rotates to make the slider 14 move along the slide groove of the support plate 12, so that the support plate 12 moves from a vertical state to a horizontal direction. When the moving block 9 moves to one side of the dual-axis motor 7, the rotating plate 15 rotates to make the slider 14 move to one end of the slide groove, thereby rotating the support plate 12 to a horizontal state, and the top of the support plate 12 is no longer aligned with the bottom of the support block 11 The parts are fitted together, the support block 11 and the fixed plate 10 are no longer supported, and the fixed plate 10 drives the top warning light 5 through the first moving opening to the inside of the shell 1. When the fixed plate 10 drives the support block 11 to move to the top of the horizontal support plate 12, the warning light 5 is completely moved to the inside of the shell 1. At the same time, the fixed plate 10 drives the connecting rod 16 and the first rack 17 to move downward, so that the gear 18 and the movable rod rotate along the inner wall of the shell 1, and the second rack 19 drives the moving plate 20 to move upward, so that the standby light 21 on the top of the moving plate 20 moves toward the second moving opening. When the moving plate 20 moves to the bottom of the second moving opening, the standby light 21 is completely moved to the top of the shell 1, and the two sides of the standby light 21 are tightly fixed by the fixing structure 22 to improve stability, facilitate the device to continue to provide safety warnings, and prevent accidents from occurring, affecting the life safety of experimenters.

[0036] like Figures 2 to 8 As shown, a first moving opening is opened at the bottom of the alarm light 5 and located at the top of the shell 1, a second moving opening is opened at one side of the first moving opening and located at the top of the shell 1, a moving hole is set between the first moving opening and the second moving opening, the fixing plate 10 is located inside the first moving opening, and a fixing structure 22 is set on both sides of the second moving opening and located at the top of the shell 1, the second rack 19 is located at the bottom of the moving hole, a compression spring 23 is fixedly connected to the bottom of the fixing plate 10, one end of the compression spring 23 is fixedly installed on the top of the mounting block 6, and the compression spring 23 is located between the support block 11 and the support plate 12.

[0037] The first moving opening makes it easy for the alarm light 5 to move to the inside of the shell 1 when a fault occurs, so that the backup light 21 can be moved to the outside of the shell 1 through the second moving opening, so that the alarm light 5 and the backup light 21 can be automatically replaced, and a safety warning can be given by the quickly replaced backup light 21, which is convenient for improving work efficiency. When the fixed plate 10 drives the alarm light 5 to move to the inside of the shell 1 through the first moving opening, the compression spring 23 is compressed. With the support of the compression spring 23, the alarm light 5 remains stable when moving. The movement of the fixed plate 10 causes the connecting rod 16 to drive the first rack 17 to move, so that the gear 18 rotates and moves the second rack 19. Through the moving hole, when the movable plate 20 drives the backup light 21 to move upward, one end of the second rack 19 moves toward the moving hole. When the backup light 21 moves to the top of the shell 1, one end of the second rack 19 passes through the moving hole and moves to the top of the shell 1. When the backup light 21 moves to the top of the shell 1, the two sides of the backup light 21 are fixed by the fixing structure 22 to improve the stability of the backup light 21 at the top of the shell 1, so as to facilitate use.

[0038] like Figures 6 to 9 As shown, two movable grooves are provided on the top of the mounting block 6, the moving block 9 is located at the end of the threaded rod 8 away from the dual-axis motor 7, the top of the moving block 9 and the end of the rotating plate 15 away from the support plate 12 are located in the movable groove, the bottom of the support block 11 is in contact with the top of the support plate 12, the connecting rod 16 is located at the top of the support plate 12, and the shape of the connecting rod 16 is L-shaped, and the support plate 12, the support block 11, the slider 14, the rotating plate 15 and the moving block 9 are symmetrically arranged with the fixed plate 10 as the center.

[0039] The movable groove facilitates the movement of the movable block 9, thereby driving the rotating plate 15 at the top to deflect, so that the slider 14 moves inside the slide groove on one side of the support plate 12, and the support plate 12 is rotated so that the support plate 12 is no longer in contact with the bottom of the support block 11. The symmetrically arranged support plate 12, support block 11, slider 14, rotating plate 15 and movable block 9 facilitate the support plate 12 to further improve the stability of the bottom support of the support block 11 and the fixed plate 10. When the support block 11 and the fixed plate 10 are no longer supported and fixed, the fixed plate 10 drives the warning light 5 to move toward the inside of the shell 1, and the fixed plate 10 is connected to the first rack 17 through the L-shaped connecting rod 16. When the connection moves, it drives the first rack 17 to move, which facilitates the movement of the gear 18 and the second rack 19, so that the movable plate 20 can drive the spare light 21 to move to the top of the shell 1, replace the warning light 5, and improve the use effect of the early warning device.

[0040] like Figure 4 , Figure 6As shown, connecting plates 24 are fixedly connected on both sides of the first rack 17 and the second rack 19, and one end of the connecting plate 24 away from the first rack 17 and the second rack 19 is slidably connected to the inner wall of the shell 1, and two first telescopic rods 31 are fixedly connected to the bottom of the movable plate 20, and the bottom of the first telescopic rod 31 is fixedly connected to the inner wall of the shell 1, and the first telescopic rod 31 is located on one side of the mounting block 6.

[0041] When the first rack 17 and the second rack 19 move, they drive the connecting plate 24 to move along the inner wall of the shell 1, so as to improve the stability of the first rack 17 and the second rack 19 when they move. At the same time, the movement of the second rack 19 drives the movable plate 20 connected to one side to move, so that the telescopic rod at the bottom of the movable plate 20 is telescoped, thereby improving the stability of the movement of the backup light 21 on the top of the movable plate 20, so that the backup light 21 can be moved to the top of the shell 1 through the second moving port to give an alarm prompt, and by opening the protective door 2, the faulty alarm light 5 can be replaced. When the device continues to be used, the alarm light 5 can be removed and replaced, so as to improve work efficiency.

[0042] like Figures 3 to 5 As shown, a fixing groove is opened on the inner wall of the top of the shell 1, and the fixing groove is located on one side of the second moving opening. An electric push rod 25 is fixedly installed inside the fixing groove. A baffle 26 is fixedly connected to one end of the electric push rod 25. The baffle 26 is located inside the second moving opening and on the top of the standby lamp 21.

[0043] The electric push rod 25 is installed through the fixing groove, and the baffle 26 is driven to move by starting the electric push rod 25 to expose the second moving opening, so that the backup light 21 can move to the top of the shell 1 through the second moving opening. When the electric push rod 25 drives the baffle 26 to move to the second moving opening, the second moving opening is blocked to prevent dust or other impurities from falling into the shell 1 and affecting use.

[0044] like Figure 2 , Figure 3 , Figure 4 , Fig.10 As shown, two first fixed blocks 27 are fixedly connected to the top of the shell 1, and limiting plates 28 are slidably connected inside the two first fixed blocks 27. Limiting blocks 29 are fixedly connected on both sides of the limiting plates 28. The limiting blocks 29 are slidably connected to the inner walls of the first fixed blocks 27, and one end of the limiting plate 28 is located outside the first fixed block 27. A magnetic block 30 is fixedly connected to one side of the limiting block 29. The first fixed block 27, the limiting plate 28, the limiting block 29 and the magnetic block 30 are symmetrically arranged around the center of the shell 1. There are two magnetic blocks 30 and the limiting plates 28. The two magnetic blocks 30 are magnetically connected. The magnetic blocks 30 are located on both sides of the alarm light 5. Two circular grooves are provided on the side of the limiting plate 28 away from the magnetic block 30. Two connecting springs are fixedly connected inside the circular grooves, and one end of the connecting spring is fixedly connected to the inner wall of the first fixed block 27.

[0045] When the fixed plate 10 drives the warning light 5 on the top through the first moving opening to the inside of the shell 1, the magnetic action of the magnetic blocks 30 on both sides of the first moving opening causes the limiting blocks 29 connected on both sides of the limiting plate 28 to move inside the first fixed block 27, and one end of the connecting spring is stretched and moved to the outside of the circular groove, so that the limiting plates 28 move closer to each other outside the first fixed block 27. When the two magnetic blocks 30 are adsorbed, the limiting plate 28 moves to the top of the first moving opening to block the first moving opening, thereby preventing dust and impurities from falling into the shell 1 through the first moving opening, and preventing them from falling onto the warning light 5 inside the shell 1, which is inconvenient to clean and affects use.

[0046] like Figure 2 , Figure 3 , Fig.11 As shown, the fixed structure 22 includes two second fixed blocks 221, one side of the two second fixed blocks 221 is fixedly connected with a fixing spring 222, one end of the fixing spring 222 is fixedly connected with a tightening block 223, the opposite side of the two fixed blocks is fixedly connected with a second telescopic rod 224, both sides of the tightening block 223 are fixedly connected with a support rod 225, one end of the support rod 225 is fixedly connected to the second telescopic rod 224, and a fixing rod 226 is fixedly connected between the second telescopic rods 224. The tightening blocks 223 are located on both sides of the second moving port, and the opposite side of the tightening block 223 is arc-shaped, and the second telescopic rod 224 and the fixing rod 226 are located on both sides of the tightening block 223.

[0047] When the backup light 21 moves upward through the second moving opening, the top of the backup light 21 moves to the top of the shell 1 and squeezes the clamping block 223, so that the clamping block 223 moves to both sides of the second moving opening, the fixed spring 222 is compressed, and the clamping block 223 drives the second telescopic rod 224 to contract through the support rod 225. When the moving plate 20 moves to the bottom of the second moving opening, one end of the second rack 19 moves to the top of the shell 1 through the moving hole, and the backup light 21 is completely moved to the top of the shell 1. The fixing spring 222 makes the clamping block 223 clamp and fix both sides of the backup light 21, so that the backup light 21 is fixed to the top of the shell 1, so that the device can continue to provide safety warnings.

[0048] The present invention also provides a method for using the engineering experiment safety warning device based on virtual reality technology, the method comprising the following steps:

[0049] Step 1: When the warning light 5 fails, the controller 4 is used to rotate the dual-axis motor 7, and the dual-axis motor 7 drives the threaded rod 8 to rotate. The bottom of the moving block 9 is limited by the sliding connection with the inner wall of the installation groove, so that the moving block 9 moves along the direction of the threaded rod 8 toward the dual-axis motor 7. When the moving block 9 moves, it drives the rotating plate 15 on the top to rotate. The other end of the rotating plate 15 rotates to make the slider 14 move along the slide groove of the support plate 12, so that the support plate 12 moves from a vertical state to a horizontal direction. When the moving block 9 moves to one side of the dual-axis motor 7, the rotating plate 15 rotates to make the slider 14 move to one end of the slide groove, thereby rotating the support plate 12 to a horizontal state, and the top of the support plate 12 is no longer in contact with the bottom of the support block 11.

[0050] Step 2: When the support block 11 and the fixed plate 10 are no longer supported, the fixed plate 10 drives the top warning light 5 through the first moving opening to the inside of the shell 1, so that the compression spring 23 at the bottom of the fixed plate 10 is compressed. When the fixed plate 10 drives the support block 11 to move to the top of the horizontal support plate 12, the warning light 5 is completely moved to the inside of the shell 1. At the same time, through the magnetic effect of the magnetic blocks 30 on both sides of the first moving opening, the limiting blocks 29 connected to the two sides of the limiting plate 28 move inside the first fixed block 27, and the connecting spring is stretched, so that the limiting plates 28 move closer to each other outside the first fixed block 27. When the two magnetic blocks 30 are attracted to each other, the limiting plate 28 moves to the top of the first moving opening to block the first moving opening;

[0051] Step 3: When the fixed plate 10 moves toward the inside of the housing 1, the fixed plate 10 drives the connecting rod 16 and the first rack 17 to move downward, so that the connecting plates 24 on both sides of the first rack 17 move downward along the inner wall of the housing 1, thereby driving the gear 18 and the movable rod to rotate along the inner wall of the housing 1, and the second rack 19 drives the movable plate 20 to move upward, and the first telescopic rod 31 extends, so that the standby lamp 21 on the top of the movable plate 20 moves toward the second movable opening;

[0052] Step 4: When the moving plate 20 drives the backup light 21 to move, the electric push rod 25 is started at the same time to drive the baffle 26 to move to the inside of the fixed groove to expose the second moving opening, so that the backup light 21 can move to the top of the shell 1 through the second moving opening. When the top of the backup light 21 moves to the top of the shell 1, the clamping block 223 is squeezed, so that the clamping block 223 moves to both sides of the second moving opening, the fixed spring 222 is compressed, and the clamping block 223 shrinks the second telescopic rod 224 through the support rod 225. When the moving plate 20 moves to the bottom of the second moving opening, one end of the second rack 19 moves to the top of the shell 1 through the moving hole, and the backup light 21 is completely moved to the top of the shell 1, so that the clamping block 223 clamps and fixes the two sides of the backup light 21, so that the backup light 21 is fixed to the top of the shell 1, which is convenient for the device to continue to perform safety warnings.

[0053] Working principle: During use, when the alarm light 5 fails, the controller 4 is used to rotate the dual-axis motor 7, and the dual-axis motor 7 drives the threaded rod 8 to rotate. The bottom of the moving block 9 is limited by the sliding connection with the inner wall of the mounting groove, so that the moving block 9 moves toward the dual-axis motor 7 along the direction of the threaded rod 8. When the moving block 9 moves, it drives the rotating plate 15 on the top to rotate. The other end of the rotating plate 15 rotates to make the slider 14 move along the slide groove of the support plate 12, so that the support plate 12 moves from a vertical state to a horizontal direction. When the moving block 9 moves to one side of the dual-axis motor 7, the rotating plate 15 rotates to make the slider 14 move to one end of the slide groove, thereby rotating the support plate 12 to a horizontal state, and the top of the support plate 12 is no longer in contact with the bottom of the support block 11. When the support block 11 and the fixed plate 10 are no longer supported, the fixed plate 10 drives the top alarm light 5 through When the fixed plate 10 moves toward the inside of the shell 1 through the first moving opening, the compression spring 23 at the bottom of the fixed plate 10 is compressed, and the fixed plate 10 drives the support block 11 to move to the top of the horizontal support plate 12, the warning light 5 is completely moved to the inside of the shell 1, and when the fixed plate 10 moves toward the inside of the shell 1, the fixed plate 10 drives the connecting rod 16 and the first rack 17 to move downward, so that the connecting plates 24 on both sides of the first rack 17 move downward along the inner wall of the shell 1, thereby driving the gear 18 and the movable rod to rotate along the inner wall of the shell 1, and the second rack 19 drives the moving plate 20 to move upward, and the first telescopic rod 31 is extended. When the moving plate 20 moves to the bottom of the second moving opening, one end of the second rack 19 moves to the top of the shell 1 through the moving hole, and the spare light 21 is completely moved to the top of the shell 1, so that the warning light 5 and the spare light 21 are automatically replaced.

[0054] When the fixed plate 10 drives the alarm light 5 to move into the shell 1, the magnetic action of the magnetic blocks 30 on both sides of the first moving opening causes the limiting blocks 29 connected on both sides of the limiting plate 28 to move inside the first fixed block 27, and the connecting spring is stretched, causing the limiting plates 28 to move toward the outside of the first fixed block 27. When the two magnetic blocks 30 are attracted to each other, the limiting plate 28 moves to the top of the first moving opening to block the first moving opening, so that the alarm light 5 moves to the inside of the shell 1. By opening the protective door 2, it is convenient to replace the faulty alarm light 5. When the spare light 21 on the top of the moving plate 20 moves toward the second moving opening, the spare light 21 on the top of the moving plate 20 moves toward the second moving opening. When moving, the electric push rod 25 is started at the same time to drive the baffle 26 to move to the inside of the fixed groove to expose the second moving opening, so that the backup light 21 can move to the top of the shell 1 through the second moving opening. When the top of the backup light 21 moves to the top of the shell 1, the clamping block 223 is squeezed, so that the clamping block 223 moves to both sides of the second moving opening, the fixing spring 222 is compressed, and the clamping block 223 contracts the second telescopic rod 224 through the support rod 225, so that the clamping block 223 clamps and fixes the two sides of the backup light 21, thereby fixing the backup light 21 on the top of the shell 1, so that the device can continue to provide safety warnings.

[0055] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them.

Claims

1. An engineering experiment safety warning device based on virtual reality technology, comprising a housing (1), characterized in that: A protective door (2) is arranged on the front side of the shell (1), a display (3) is arranged on one side of the protective door (2), a controller (4) is arranged inside the shell (1), an alarm light (5) is arranged on the top of the shell (1), a mounting block (6) is arranged on the top of the controller (4), both sides of the mounting block (6) are fixedly mounted to the inner wall of the shell (1), a mounting groove is arranged inside the mounting block (6), a dual-axis motor (7) is fixedly mounted inside the mounting groove, and output terminals on both sides of the dual-axis motor (7) are connected to the output terminals of the dual-axis motor (7). The warning light (5) is fixedly connected with a threaded rod (8), one end of which is rotatably connected to the inner wall of the installation groove, one end of which is threadedly connected to a moving block (9), the bottom of which is slidably connected to the inner wall of the installation groove, a fixing plate (10) is arranged at the bottom of the warning light (5), both ends of the bottom of the fixing plate (10) are fixedly connected with a supporting block (11), a supporting plate (12) is arranged at the bottom of the supporting block (11), and a rotating rod (13) is fixedly connected to the bottom of the supporting plate (12). The top of the mounting block (6) is provided with a rotation groove, the rotation rod (13) is located inside the rotation groove, and both ends of the rotation rod (13) are rotatably connected to the rotation groove, one side of the support plate (12) is provided with a slide groove, the slide groove is slidably connected with a slider (14), one side of the slider (14) is hinged with a rotation plate (15), one end of the rotation plate (15) is hinged with the top of the moving block (9), the bottom of the fixed plate (10) and located on one side of the support block (11) is fixedly connected with a connecting rod (16), the connecting rod (16) ) is fixedly connected to one end of a first rack (17), a gear (18) is meshed on one side of the first rack (17), a movable rod is fixedly connected to the middle of the gear (18), both ends of the movable rod are rotatably connected to the inner wall of the shell (1), a second rack (19) is meshed on one side of the gear (18), a movable plate (20) is fixedly installed on one side of the second rack (19), one side of the movable plate (20) is movably connected to the inner wall of the shell (1), and a spare light (21) is arranged on the top of the movable plate (20).

2. According to claim 1, a safety warning device for engineering experiments based on virtual reality technology is characterized in that: A first moving opening is provided at the bottom of the alarm light (5) and located at the top of the shell (1); a second moving opening is provided on one side of the first moving opening and located at the top of the shell (1); a moving hole is provided between the first moving opening and the second moving opening; the fixing plate (10) is located inside the first moving opening; fixing structures (22) are provided on both sides of the second moving opening and located at the top of the shell (1); the second rack (19) is located at the bottom of the moving hole; a compression spring (23) is fixedly connected to the bottom of the fixing plate (10); one end of the compression spring (23) is fixedly installed to the top of the mounting block (6); and the compression spring (23) is located between the support block (11) and the support plate (12).

3. According to claim 1, a safety warning device for engineering experiments based on virtual reality technology is characterized in that: Two movable grooves are provided on the top of the mounting block (6); the movable block (9) is located at the end of the threaded rod (8) away from the dual-axis motor (7); the top of the movable block (9) and the end of the rotating plate (15) away from the support plate (12) are located in the movable groove; the bottom of the support block (11) is in contact with the top of the support plate (12); the connecting rod (16) is located at the top of the support plate (12); the connecting rod (16) is in an L-shape; the support plate (12), the support block (11), the slider (14), the rotating plate (15) and the movable block (9) are symmetrically arranged around the center of the fixed plate (10).

4. According to claim 1, a safety warning device for engineering experiments based on virtual reality technology is characterized in that: Both sides of the first rack (17) and the second rack (19) are fixedly connected with connecting plates (24); one end of the connecting plate (24) away from the first rack (17) and the second rack (19) is slidably connected to the inner wall of the shell (1); the bottom of the movable plate (20) is fixedly connected with two first telescopic rods (31); the bottom of the first telescopic rods (31) is fixedly connected to the inner wall of the shell (1); and the first telescopic rods (31) are located on one side of the mounting block (6).

5. According to claim 1, the engineering experiment safety warning device based on virtual reality technology is characterized in that: A fixing groove is provided on the inner wall of the top of the housing (1), the fixing groove is located on one side of the second moving opening, an electric push rod (25) is fixedly installed inside the fixing groove, one end of the electric push rod (25) is fixedly connected to a baffle (26), the baffle (26) is located inside the second moving opening, and the baffle (26) is located on the top of the standby lamp (21).

6. The engineering experiment safety warning device based on virtual reality technology according to claim 1 is characterized in that: Two first fixed blocks (27) are fixedly connected to the top of the shell (1), and limiting plates (28) are slidably connected inside the two first fixed blocks (27). Limiting blocks (29) are fixedly connected on both sides of the limiting plates (28), and the limiting blocks (29) are slidably connected to the inner walls of the first fixed blocks (27). One end of the limiting plate (28) is located outside the first fixed block (27), and one side of the limiting block (29) is fixedly connected to a magnetic block (30).

7. The engineering experiment safety warning device based on virtual reality technology according to claim 6 is characterized in that: The first fixed block (27), the limiting plate (28), the limiting block (29) and the magnetic block (30) are symmetrically arranged around the center of the shell (1); there are two magnetic blocks (30) and the limiting plate (28); the two magnetic blocks (30) are magnetically connected; the magnetic blocks (30) are located on both sides of the alarm light (5); two circular grooves are provided on a side of the limiting plate (28) away from the magnetic block (30); two connecting springs are fixedly connected inside the circular grooves; one end of the connecting spring is fixedly connected to the inner wall of the first fixed block (27).

8. The engineering experiment safety warning device based on virtual reality technology according to claim 2 is characterized in that: The fixing structure (22) comprises two second fixing blocks (221), one side of the two second fixing blocks (221) is fixedly connected with a fixing spring (222), one end of the fixing spring (222) is fixedly connected with a clamping block (223), one side of the two fixing blocks is fixedly connected with a second telescopic rod (224), both sides of the clamping block (223) are fixedly connected with a supporting rod (225), one end of the supporting rod (225) is fixedly connected with the second telescopic rod (224), and a fixing rod (226) is fixedly connected between the second telescopic rods (224).

9. The engineering experiment safety warning device based on virtual reality technology according to claim 9 is characterized in that: The abutting blocks (223) are located on both sides of the second moving opening, the opposite side of the abutting blocks (223) is arc-shaped, and the second telescopic rod (224) and the fixed rod (226) are located on both sides of the abutting blocks (223).

10. A method for using the engineering experiment safety warning device based on virtual reality technology according to any one of claims 1 to 8, characterized in that: The method comprises the following steps: Step 1: When the alarm light (5) fails, the controller (4) is used to rotate the dual-axis motor (7), and the dual-axis motor (7) drives the threaded rod (8) to rotate. The bottom of the moving block (9) is slidably connected to the inner wall of the mounting groove, so that the moving block (9) moves along the direction of the threaded rod (8) toward the dual-axis motor (7). When the moving block (9) moves, it drives the rotating plate (15) on the top to rotate. The other end of the rotating plate (15) rotates to make the slider (14) move along the slide groove of the support plate (12), so that the support plate (12) moves from a vertical state to a horizontal direction. When the moving block (9) moves to one side of the dual-axis motor (7), the rotating plate (15) rotates to make the slider (14) move to one end of the slide groove, thereby rotating the support plate (12) to a horizontal state, and the top of the support plate (12) is no longer in contact with the bottom of the support block (11); Step 2: When the support block (11) and the fixed plate (10) are no longer supported, the fixed plate (10) drives the top alarm light (5) to move through the first moving opening to the inside of the shell (1), so that the compression spring (23) at the bottom of the fixed plate (10) is compressed. When the fixed plate (10) drives the support block (11) to move to the top of the horizontal support plate (12), the alarm light (5) is completely moved to the inside of the shell (1). At the same time, through the magnetic action of the magnetic blocks (30) on both sides of the first moving opening, the limiting blocks (29) connected to the two sides of the limiting plate (28) move inside the first fixed block (27). The connecting spring is stretched, so that the limiting plates (28) move toward the outside of the first fixed block (27) and move closer to each other. When the two magnetic blocks (30) are attracted to each other, the limiting plate (28) moves to the top of the first moving opening to block the first moving opening. Step 3: When the fixed plate (10) moves toward the inside of the housing (1), the fixed plate (10) drives the connecting rod (16) and the first rack (17) to move downward, so that the connecting plates (24) on both sides of the first rack (17) move downward along the inner wall of the housing (1), thereby driving the gear (18) and the movable rod to rotate along the inner wall of the housing (1), and the second rack (19) drives the movable plate (20) to move upward, and the first telescopic rod (31) is extended, so that the standby light (21) on the top of the movable plate (20) moves toward the second movable opening; Step 4: When the moving plate (20) drives the standby light (21) to move, the electric push rod (25) is started at the same time to drive the baffle plate (26) to move to the inside of the fixed groove to expose the second moving opening, so that the standby light (21) can move to the top of the shell (1) through the second moving opening. When the top of the standby light (21) moves to the top of the shell (1), the pressing block (223) is squeezed, so that the pressing block (223) moves to both sides of the second moving opening, the fixing spring (222) is compressed, and the pressing block (223) causes the second telescopic rod (224) to contract through the support rod (225). When the moving plate (20) moves to the bottom of the second moving opening, one end of the second rack (19) moves to the top of the shell (1) through the moving hole, and the standby light (21) is completely moved to the top of the shell (1), so that the pressing block (223) presses and fixes both sides of the standby light (21), so that the standby light (21) is fixed to the top of the shell (1), which is convenient for the device to continue to perform safety warnings.

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