CN107393435A - Virtual image display system and flight simulator - Google Patents

Abstract

The invention relates to the field of imaging technology, in particular to a virtual image display system and a flight simulator. The virtual image display system includes: a flexible LED display screen and a collimating mirror; the flexible LED display screen and the collimating mirror are used to be arranged on a flight simulator at intervals; the flexible LED display screen and the collimating mirror are both It is arc-shaped, and the flexible LED display screen and the collimating mirror are bent in the same direction. The virtual image display system provided by the present invention realizes the display of virtual images through the cooperation of a flexible LED display screen and a collimating mirror for viewers to watch. Compared with the virtual image display system in the related art, the present invention saves the rear projection screen and reduces the manufacturing difficulty and cost. At the same time, the present invention does not need a projector, reduces noise and heat radiation, and the power of the flexible LED display screen is relatively low, which saves power and has a long service time. Therefore, the virtual image display system provided by the invention is convenient to use.

Description

Virtual image display system and flight simulator

technical field

The invention relates to the field of imaging technology, in particular to a virtual image display system and a flight simulator.

Background technique

The virtual image display system is a commonly used display system for flight simulation simulators at present, and is especially suitable for flight simulation simulators of side-by-side two-seater models. The virtual image display system has the advantages of good depth of field, strong stereoscopic effect, high brightness, good contrast, and high imaging resolution, and the parallax between the left and right pilots is small during simulated takeoff and landing, which is convenient for crew coordination.

The virtual image display system in the related art mainly includes a projector, a rear projection screen and a spherical collimating mirror. The current rear projection screen is a rear projection type projection screen, and its shape is also spherical or hyperboloid. The projector projects the image onto the projection screen and presents a real image on the convex surface of the projection screen. The image presented on the projection screen is then projected onto the concave surface of the spherical reflector, and is erected on the concave surface of the spherical reflector. Magnified virtual image.

However, in the imaging method of the projector and the rear projection screen, the rear projection screen usually adopts extra-large aviation-grade plexiglass and is heated and negative-pressurized in a special mold, which is difficult to manufacture and expensive to manufacture. At the same time, due to the need to use professional projection equipment, the purchase cost is high, and the projector produces high noise, high heat radiation and relatively high electricity consumption during use; the projector bulb can only be used for hundreds of hours, and the use and maintenance cost is high. Therefore, the imaging methods of the projector and the rear projection screen are inconvenient to use.

Contents of the invention

The object of the present invention is to provide a virtual image display system and a flight simulator to solve the technical problem of inconvenient use of the virtual image display system existing in the prior art.

A virtual image display system provided by the present invention comprises: a flexible LED display screen and a collimating mirror; Both the LED display screen and the collimating mirror are arc-shaped, and the flexible LED display screen and the collimating mirror are bent in the same direction.

Further, the flexible LED display screen includes a flexible substrate and a plurality of LED light-emitting tubes; the flexible substrate is in a grid shape; and a plurality of the LED light-emitting tubes are fixed on the flexible substrate.

Further, the flexible LED display is wrapped with a waterproof layer.

Further, the virtual image display system also includes a fixing frame; one end of the flexible LED display screen is fixed on the fixing frame; and the fixing frame is used to be fixed on a flight simulator.

Further, the fixed frame includes a vertical rod and a plurality of horizontal rods;

A plurality of the horizontal rods are arranged in sequence from top to bottom, and one end of the plurality of horizontal rods is fixedly connected to the vertical rod, and the other ends of the plurality of horizontal rods are connected to the flexible LED display screen. Fixed connection at one end.

Further, there are two fixing frames; the two fixing frames are respectively located at two ends of the flexible LED display screen.

Further, the virtual image display system also includes a lifting mechanism;

The vertical rod comprises a vertical fixed rod and a vertical sliding rod; the vertical sliding rod is slidably connected with the vertical fixed rod; the horizontal rod is fixedly connected with the vertical sliding rod; the lifting mechanism It is connected with the vertical sliding rod and is used to drive the vertical sliding rod to move up and down.

Further, a slider is arranged on the vertical sliding rod; a guide groove is arranged on the vertical fixing rod; and the slider is arranged in the guide groove.

Further, the virtual image display system further includes a controller; the controller is connected with the lifting mechanism, and is used to control the opening and closing of the lifting mechanism.

Further, the present invention also provides a flight simulator, which includes a simulator body and the virtual image display system of the present invention; the flexible LED display screen and the collimating mirror are arranged on the simulator body at intervals .

The virtual image display system provided by the present invention includes a flexible LED display screen and a collimating mirror, the flexible LED display screen and the collimating mirror are arranged on the flight simulator at intervals, the flexible LED display screen is arranged in an arc shape, and faces the same direction as the collimating mirror bending. The flexible LED display screen displays an image and projects the image onto the concave surface of the collimating mirror, and the user can observe the image from the concave surface of the collimating mirror.

The virtual image display system provided by the present invention realizes the display of virtual images through the cooperation of a flexible LED display screen and a collimating mirror for viewers to watch. Compared with the virtual image display system in the related art, the present invention saves the rear projection screen and reduces the manufacturing difficulty and cost. At the same time, the present invention does not need a projector, reduces noise and heat radiation, and the power of the flexible LED display screen is relatively low, which saves power and has a long service time. Therefore, the virtual image display system provided by the invention is convenient to use.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

FIG. 1 is a schematic structural diagram of a virtual image display system provided by an embodiment of the present invention;

2 is a schematic structural diagram of a flexible LED display in a virtual image display system provided by an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a fixing frame in a virtual image display system provided by an embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a fixing frame in a virtual image display system provided by another embodiment of the present invention.

Reference signs:

1-collimating mirror; 2-flexible LED display; 3-fixing frame;

4-lifting mechanism; 21-flexible substrate; 22-LED light-emitting tube;

31-vertical bar; 32-horizontal bar; 311-vertical fixed bar;

312 - Vertical sliding rod.

detailed description

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Fig. 1 is a schematic structural diagram of a virtual image display system provided by an embodiment of the present invention; as shown in Fig. 1 , an embodiment of the present invention provides a virtual image display system, which includes: a flexible LED display screen 2 and a collimating mirror 1; The flexible LED display 2 and the collimating mirror 1 are used to be arranged on the flight simulator at intervals; the flexible LED display 2 and the collimating mirror 1 are both curved, and the flexible LED display 2 and the collimating mirror 1 are bent in the same direction .

The virtual image display system provided by the present invention includes a flexible LED display screen 2 and a collimating mirror 1, the flexible LED display screen 2 and the collimating mirror 1 are arranged on the flight simulator at intervals, the flexible LED display screen 2 is arranged in an arc shape, and is connected to the collimator Straight mirror 1 bends in the same direction. The flexible LED display screen 2 displays an image and projects the image onto the concave surface of the collimating mirror 1 , and the user can observe the image from the concave surface of the collimating mirror 1 .

The virtual image display system provided by the present invention realizes the display of virtual images through the cooperation of the flexible LED display screen 2 and the collimating mirror 1 for viewers to watch. Compared with the virtual image display system in the related art, the present invention saves the rear projection screen and reduces the manufacturing difficulty and cost. At the same time, the present invention does not require a projector, reduces noise and heat radiation, and the flexible LED display screen 2 has low power, saves power and has a long service time. Therefore, the virtual image display system provided by the invention is convenient to use.

FIG. 2 is a schematic structural diagram of a flexible LED display in a virtual image display system provided by an embodiment of the present invention; as shown in FIG. 1 and FIG. and a plurality of LED light-emitting tubes 22; the flexible substrate 21 is in a grid shape; a plurality of LED light-emitting tubes 22 are fixed on the flexible substrate 21.

In this embodiment, the flexible LED display screen 2 includes a flexible substrate 21 and a plurality of LED light-emitting tubes 22. The plurality of LED light-emitting tubes 22 are fixed on the flexible substrate 21, and the substrate is in a grid shape, which reduces the weight of the substrate and is convenient for the substrate. Curved and formed.

Further, a battery is provided on the substrate, and the battery is electrically connected to the LED light emitting tube 22 to supply power to the LED light emitting tube 22 . In this way, the LED lighting tube 22 can be continuously powered without being affected by the position. Further, a solar battery panel is also included, and the solar battery panel is connected with the battery to supply power to the battery. Solar panels convert light energy into electrical energy, which can make full use of resources and reduce power consumption.

On the basis of the above embodiments, further, the flexible LED display screen 2 is wrapped with a waterproof layer.

In this embodiment, the flexible LED display 2 is wrapped with a waterproof layer, and the waterproof layer plays a waterproof role, preventing external water from entering the flexible LED display 2 and affecting the normal use of the flexible LED display 2 .

Wherein, the waterproof layer may be a plastic film.

Fig. 3 is a schematic structural diagram of a fixed frame in a virtual image display system provided by an embodiment of the present invention; as shown in Fig. 3 , on the basis of the above embodiment, further, the virtual image display system further includes a fixed frame 3; a flexible LED display screen One end of 2 is fixed on the fixed frame 3; The fixed frame 3 is used for being fixed on the flight simulator.

In this embodiment, one end of the flexible LED display 2 is fixed on the fixing frame 3, and the flexible LED display 2 is fixed on the flight simulator through the fixing frame 3, which facilitates the fixing of the flexible LED display 2.

The structure of the fixing frame 3 can be various, for example, the fixing frame 3 is in the shape of a square frame, and the flexible LED display screen 2 is fixed in the square frame.

For another example, the fixing frame 3 is in the shape of an I-shaped, and the lower end of the flexible LED display screen 2 is fixed on the top of the fixing frame 3. The supporting effect makes the flexible LED display screen 2 of this embodiment more stable during use.

For another example, the fixing frame 3 is two fixing rods, and the two fixing rods are respectively located at two ends of the flexible LED display screen 2 , and both are fixedly connected with the flexible LED display screen 2 . The arrangement of the two fixing rods makes the flexible LED display screen 2 symmetrical and stable under force.

Further, the fixing frame 3 and the flexible LED display screen 2 can be fixedly connected in various ways, for example, the fixing frame 3 is provided with a fixing groove, and the flexible LED display screen 2 is provided with a fixing protrusion, and the fixing protrusion is stuck in the fixing groove Inside, so that the fixing frame 3 is fixedly connected with the flexible LED display screen 2 .

For another example, the fixing frame 3 and the flexible LED display screen 2 are fixedly connected by bolts, or fixedly connected by bonding.

On the basis of the above embodiment, further, the fixed frame 3 includes a vertical bar 31 and a plurality of horizontal bars 32; The rods 31 are fixedly connected, and the other ends of the plurality of horizontal rods 32 are fixedly connected with one end of the flexible LED display screen 2 .

In this embodiment, the fixing frame 3 includes a vertical rod 31 and a plurality of horizontal rods 32 , one end of the multiple horizontal rods 32 is fixedly connected to the vertical rod 31 , and the other end is fixedly connected to the flexible LED display screen 2 .

In this embodiment, a plurality of horizontal rods 32 are sequentially connected with the flexible LED display 2 from top to bottom, so that the flexible LED display 2 can be evenly stressed and fixed firmly. The arrangement of the vertical bar 31 and the horizontal bar 32 can make the structure of the fixed frame 3 stable.

In this embodiment, the vertical rods 31 and the horizontal rods 32 can be made of various materials, such as metal or plastic.

Further, the horizontal rod 32 includes a horizontal fixed rod and a horizontal sliding rod; the horizontal sliding rod is slidably arranged on the horizontal fixed rod, the horizontal fixed rod is fixedly connected to the vertical rod, the horizontal sliding rod is fixedly connected to the flexible LED display screen 2, and the driving part It is connected with the horizontal sliding rod, and is used to drive the horizontal sliding rod to slide laterally relative to the horizontal fixed rod. The user can drive the horizontal sliding bar to slide left or right through the driving part, thereby driving the flexible LED display 2 to slide left or right to adjust the lateral position of the flexible LED display 2 .

On the basis of the above embodiments, further, there are two fixing frames 3 ; the two fixing frames 3 are respectively located at both ends of the flexible LED display screen 2 .

In this embodiment, two fixing frames 3 are provided, and the two are respectively located at both ends of the flexible LED display screen 2, that is, both ends of the flexible LED display screen 2 are fixedly connected to the fixing frame 3, so that the flexible LED display The force on the screen 2 is stable, preventing the flexible LED display 2 from being damaged by external forces.

Fig. 4 is a schematic structural view of a fixed frame in a virtual image display system provided by another embodiment of the present invention. As shown in Fig. 4, on the basis of the above embodiment, further, the virtual image display system also includes a lifting mechanism 4; Rod 31 comprises vertical fixed rod 311 and vertical sliding rod 312; Vertical sliding rod 312 is slidably connected with vertical fixed rod 311; Horizontal rod 32 is fixedly connected with vertical sliding rod 312; Lifting mechanism 4 is connected with vertical sliding rod 312 connected, used to drive the vertical slide bar 312 to move up and down.

In this embodiment, the vertical sliding rod 312 is slidably connected with the vertical fixed rod 311, the lifting mechanism 4 is connected with the vertical sliding rod 312, drives the vertical sliding rod 312 to move up and down, and the vertical sliding rod 312 drives the horizontal rod 32 and the flexible The LED display screen 2 moves up and down, thereby adjusting the height of the flexible LED display screen 2 .

In this embodiment, the setting of the lifting mechanism 4 can realize the height adjustment of the flexible LED display screen 2, and the user can adjust the height of the flexible LED display screen 2 according to the needs of the user, which is convenient for the user.

Wherein, the structural form of the lifting mechanism 4 can be various, for example, the lifting mechanism 4 is a hydraulic cylinder, and the piston rod of the hydraulic cylinder is connected with the vertical sliding rod 312 . As another example, the lifting mechanism 4 may be a cylinder. In addition, the lifting mechanism 4 can also be a gear and rack. The gear is engaged with the rack, and the rack is fixedly connected with the vertical sliding rod 312. The rotation of the gear drives the rack to move up and down, and the rack drives the vertical sliding rod 312 to move up and down.

On the basis of the above embodiments, further, a slider is provided on the vertical sliding rod 312; a guide groove is provided on the vertical fixing rod 311; and the slider is arranged in the guide groove.

In this embodiment, a slider is provided on the vertical sliding rod 312 , and a guide groove is provided on the vertical fixing rod 311 . When the vertical sliding rod 312 moves up and down relative to the vertical fixing rod 311 , the slider moves up and down in the guide groove.

In this embodiment, the cooperation between the slider and the guide groove plays a role in guiding the movement of the vertical sliding rod 312 , which improves the stability of the vertical sliding rod 312 when sliding.

Wherein, the structure that plays a guiding role can also be in other forms, for example, a guide hole is provided on the vertical fixing rod 311, a guide shaft is provided on the vertical sliding rod 312, and the guide shaft is slidably arranged in the guide hole. When the vertical sliding rod 312 moves up and down relative to the vertical fixing rod 311, the guide shaft moves up and down in the guide hole.

Further, a waterproof layer is included outside the vertical sliding rod and the vertical fixing rod to prevent external water from intruding into the vertical sliding rod and the vertical fixing rod, thereby improving the service life of the vertical sliding rod and the vertical fixing rod. On the basis of the above embodiments, further, the virtual image display system further includes a controller; the controller is connected with the lifting mechanism 4 and is used to control the opening and closing of the lifting mechanism 4 .

In this embodiment, the controller is connected to the lifting mechanism 4, the user can preset the controller, and the controller controls the start and stop of the lifting mechanism 4, thereby realizing the function of automatically adjusting the flexible LED display screen 2 and improving the performance of the virtual image display system. automaticity.

On the basis of the above embodiments, further, the embodiment of the present invention also provides a flight simulator, the flight simulator includes the simulator body and the virtual image display system provided by the embodiment of the present invention; the flexible LED display screen 2 and the collimation The mirrors 1 are arranged on the simulator body at intervals.

The flight simulator provided by the present invention includes a flexible LED display screen 2 and a collimating mirror 1, the flexible LED display screen 2 and the collimating mirror 1 are arranged on the simulator body at intervals, the flexible LED display screen 2 is arranged in an arc shape, and is connected to the collimator Straight mirror 1 bends in the same direction. The flexible LED display screen 2 displays an image and projects the image onto the concave surface of the collimating mirror 1 , and the user can observe the image from the concave surface of the collimating mirror 1 .

The virtual image display system provided by the present invention realizes the display of virtual images through the cooperation of the flexible LED display screen 2 and the collimating mirror 1 for viewers to watch. Compared with the virtual image display system in the related art, the present invention saves the rear projection screen and reduces the manufacturing difficulty and cost. At the same time, the present invention does not require a projector, reduces noise and heat radiation, and the flexible LED display screen 2 has low power, saves power and has a long service time. Therefore, the virtual image display system provided by the invention is convenient to use.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (10)

1. A kind of 1. virtual image display system, it is characterised in that including：Flexible LED display screen and collimating mirror；

   The flexible LED display screen is used to be disposed on flight simulator with the collimating mirror；The flexible LED display screen It is curved with the collimating mirror, and the flexible LED display screen is bent with the collimating mirror to same direction.
2. 2. virtual image display system according to claim 1, it is characterised in that the flexible LED display screen includes flexible base Plate and multiple LEDs；

   The flexible base board is in latticed；Multiple LEDs are fixed on the flexible base board.
3. 3. virtual image display system according to claim 1, it is characterised in that the flexible LED display screen is wrapped with anti- Water layer.
4. 4. virtual image display system according to claim 1, it is characterised in that also including fixed mount；

   One end of the flexible LED display screen is fixed on the fixed mount；The fixed mount is used to be fixed on flight simulator On.
5. 5. virtual image display system according to claim 4, it is characterised in that the fixed mount includes vertical bar and multiple water Flat bar；

   Multiple horizon bars are from top to bottom set gradually, and one end of multiple horizon bars is fixed with the vertical bar and connected Connect, the one end of the other ends of multiple horizon bars with the flexible LED display screen is fixedly connected.
6. 6. virtual image display system according to claim 5, it is characterised in that the fixed mount is two；Two described solid Determine the both ends that frame is located at the flexible LED display screen respectively.
7. 7. virtual image display system according to claim 5, it is characterised in that also including elevating mechanism；

   The vertical bar includes vertical fix bar and vertical sliding bar；The vertical sliding bar slides with the vertical fix bar to be connected Connect；The horizon bar is fixedly connected with the vertical sliding bar；The elevating mechanism is connected with the vertical sliding bar, for driving The vertical sliding bar is moved to move up and down.
8. 8. virtual image display system according to claim 7, it is characterised in that be provided with sliding block on the vertical sliding bar； Guide groove is provided with the vertical fix bar；The sliding block is arranged in the guide groove.
9. 9. virtual image display system according to claim 7, it is characterised in that also including controller；

   The controller is connected with the elevating mechanism, for controlling the opening and closing of the elevating mechanism.
10. 10. a kind of flight simulator, it is characterised in that including simulator body and as described in claim any one of 1-9 Virtual image display system；

    The flexible LED display screen is disposed on simulator body with the collimating mirror.