CN213690126U

CN213690126U - Wireless helmet display

Info

Publication number: CN213690126U
Application number: CN202120004246.1U
Authority: CN
Inventors: 曹金秋; 凃劲超
Original assignee: Infiray Technologies Co Ltd
Current assignee: Infiray Technologies Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-07-13
Anticipated expiration: 2031-01-04

Abstract

The utility model relates to a wireless helmet display, including casing, eyepiece subassembly, display screen and the display screen drive plate of setting in the casing, still including setting up the Wi-Fi board in the casing, the Wi-Fi board is connected with display screen drive plate electricity, the Wi-Fi board is connected with external equipment through wireless. The Wi-Fi board further comprises an operation key, and the operation key is arranged on the Wi-Fi board. The front side of the shell is provided with a front cover, and the front cover is provided with a silica gel key corresponding to the operation key. The rear side of the shell is provided with a detachable eyeshade. The shell is also provided with a battery cabin component. The shell is also provided with an aerial plug. The top of the shell is provided with a helmet interface used for being connected with a helmet. The utility model discloses simple structure can receive the image signal who comes from other external device through the Wi-Fi board, also can use as the remote controller through the button, controls the external device who is connected with it, has greatly expanded helmet mounted display's applied scene.

Description

Wireless helmet display

Technical Field

The utility model relates to a wireless helmet mounted display belongs to helmet mounted display technical field.

Background

With the rapid development of optical design and electronic communication technology, a helmet-mounted display that allows a micro OLED display to pass through an optical system and then perform magnified imaging plays an increasingly important role. The helmet display is generally applied to modern advanced military electronic technology and becomes a necessary assembly of an individual combat system, and has wide application prospect in civil fields such as virtual reality, medical treatment, industrial production, fire fighting, simulation training and entertainment.

The helmet display is a head-mounted display device comprising a micro-display and a corresponding optical system, and the main function of the helmet display is to receive image signals to be displayed on the micro-display, and then to obtain an enlarged image for human eyes to watch after the image signals are processed by the optical system. The helmet display has the advantages of small size, light weight, low power consumption and the like, and has the characteristics of large view field, high resolution, diversified application scenes and the like.

The existing helmet display has the following defects: for example, in patent document with publication number CN 109782444 a entitled head-mounted AR display based on transparent liquid crystal display and its interaction method, the image signal source is from its own storage file, and the head-mounted display can only play the existing file and cannot receive the image signal of other devices in real time. In patent document CN 110543019 a entitled modular augmented reality military helmet display, the signals are derived from the visible light camera and infrared camera which are carried by the helmet, and only the image signals of the device itself can be received, but not the image signals of other display devices. The image signal source of the existing helmet display generally originates from the helmet display itself, and cannot receive image signals of other devices such as a mobile phone, an unmanned aerial vehicle, a camera, a thermal infrared imager and the like through a wireless Wi-F i technology, so that the application scene of the helmet display is limited.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists, provide a simple structure, convenient operation can receive other external device's image signal, the wide wireless helmet mounted display of range of application.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a wireless helmet display, includes the casing, sets up eyepiece subassembly, display screen and the display screen drive plate in the casing, still includes the setting Wi-Fi board in the casing, the Wi-Fi board with display screen drive plate electricity is connected, the Wi-Fi board is connected with external equipment through wireless.

The utility model has the advantages that: a Wi-Fi wireless transmission module is added, so that image signals of other equipment can be received through Wi-Fi; and image signals are transmitted to the display screen through the flat cable, corresponding image information can be displayed on the display screen after the display screen is lightened by the driving board, the image on the display screen can be amplified through the eyepiece component, and the image on the display screen can be clearly observed by human eyes. In a word, the utility model discloses simple structure, convenient operation can not only show the image signal of self equipment through Wi-F i board, also can receive the image signal who comes from other external equipment, has greatly expanded helmet mounted display's application scene.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the system also comprises an operation key.

Furthermore, the operation key is used for controlling the external device.

The beneficial effect of adopting above-mentioned further scheme is that, can use as the remote controller through the button, control the external device who is connected with it.

Furthermore, the Wi-F i board is arranged on the front side of the display driving board, the operation keys are arranged on the Wi-F i board, the front side of the shell is provided with a front cover, and the front cover is provided with silica gel keys corresponding to the operation keys.

The helmet display has the advantages that most of the existing helmet displays are single in function, can only display images, do not have control functions and cannot perform human-computer interaction. The button is added, the button can be used as a remote controller to control equipment connected with the button, when the button is operated, the Wi-F i board can control other equipment through corresponding instruction signals through the Wi-F i, and meanwhile, the button can send instructions to the display screen driving board to control the display screen. The silicone keys facilitate manipulation of keys integrated on the Wi-F i board.

Further, a key cushion block is arranged between the silica gel key and the operation key.

The beneficial effect who adopts above-mentioned further scheme is that, the effect of button cushion is the promotion button and feels, prevents the maloperation.

Furthermore, a detachable eye cover is arranged at the front part of the shell.

The beneficial effect of adopting the further scheme is that the display device is convenient to be applied to different scenes.

Further, a battery compartment assembly is further arranged on the shell.

Further, the battery compartment subassembly includes battery compartment, battery compartment lid, locates battery, positive pole contact, negative pole spring and the battery circuit board in the battery compartment, the one end of battery compartment lid through the pivot with the casing is articulated, and the other end passes through battery compartment lid latch mechanism and locks.

The beneficial effect who adopts above-mentioned further scheme is that, the built-in battery of battery storehouse, built-in battery are convenient for the portable use of the device is portable, also make things convenient for the change to maintain when the battery became invalid.

Further, battery compartment lid latch mechanism includes button and padlock, the middle part of button with the casing is articulated, one end pass through expanding spring with the casing is connected, is equipped with on the other end with battery compartment lid matched with buckle.

The beneficial effect who adopts above-mentioned further scheme is that, only when pressing the button, the lid just is opened to the battery compartment, after loosening the button, the button pushes up in the battery compartment lid under the spring action, and the button can not close the lid on time but can not open, and battery compartment is covered and is installed 0 shape circle in the battery compartment, and when the battery compartment lid was closed, it covered to break off the padlock into with the fingers and thumb the battery compartment, and the battery compartment lid compressed O shape circle under the pressure of padlock this moment to reach sealed effect.

Furthermore, the shell is also provided with an aerial plug.

The technical scheme has the advantages that the sealing device is used for supplying power to an external power supply and/or updating programs, and the aviation plug connection position is sealed by the O-shaped ring and the sealing glue in order to ensure the sealing performance of the whole machine.

Further, a helmet interface used for being connected with a helmet is arranged at the top of the shell.

Adopt above-mentioned further scheme's beneficial effect be, be convenient for helmet mounted display and helmet are connected.

Further, eyepiece subassembly includes eyepiece lens and eyepiece supporting seat, the eyepiece supporting seat is installed on the casing, the eyepiece lens passes through the eyepiece picture frame and installs on the eyepiece supporting seat, the display screen drive plate passes through the drive plate support mounting and is in on the eyepiece supporting seat, the display screen passes through on the display screen clamp plate installation display screen support, the display screen support sets up the eyepiece supporting seat reaches between the drive plate support.

The technical scheme has the advantages that the display screen is small in size, so that the image on the display screen cannot be directly observed by human eyes, the eyepiece assembly is designed for the purpose that the human eyes can clearly see the image, and meanwhile, the display screen and the display screen driving board are positioned and installed.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;

fig. 3 is a left side view structure diagram of the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 5 is a schematic perspective view of the present invention;

fig. 6 is a schematic view of the split structure of the display screen and eyepiece assembly of the present invention;

fig. 7 is a schematic structural view of the front cover of the present invention;

fig. 8 is a schematic block diagram of the present invention.

In the figure, 1-1, a housing; 1-2, eye cover; 1-3, a helmet interface; 2-1, a window; 2-2, aerial plug; 3-1, a display screen; 3-2, a display screen pressing plate; 3-3, a display screen bracket; 3-4, eyepiece lenses; 3-5, an eyepiece frame; 3-6, an eyepiece supporting seat; 3-7, driving a plate bracket; 3-8, a driving plate; 3-9, damping foam; 4-1, silica gel keys; 4-2, a front cover; 4-3, a front cover O-shaped ring; 4-4, a key cushion block; 4-5, Wi-F i board; 5-1, a battery; 5-2, positive electrode contact; 5-3, a negative spring; 5-4, a rotating shaft; 5-5, a limiting block; 5-6, a battery compartment circuit board; 5-7, battery compartment cover O-shaped ring; 5-8, buckling and locking; 5-9, a button; 5-10 parts of spring; 6-1, flat cable.

Detailed Description

The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1-8, a wireless helmet display comprises a housing 1-1, an eyepiece assembly, a display screen 3-1, a display screen driving board and a Wi-Fi board 4-5, wherein the eyepiece assembly, the display screen 3-1 and the display screen driving board are arranged in the housing, the Wi-Fi board is electrically connected with the display screen driving board, and the Wi-Fi board is wirelessly connected with an external device.

Also comprises an operation key. The operation key is used for controlling the external equipment. The remote controller can be used as a remote controller through keys to control external equipment connected with the remote controller.

The operation keys are arranged on the Wi-Fi board, the Wi-Fi board is arranged on the front side of the display drive board, a front cover 4-2 is arranged on the front side of the shell, and silica gel keys 4-1 corresponding to the operation keys are arranged on the front cover. Most of the existing helmet displays are single in function, only can display images, do not have control functions and cannot perform human-computer interaction. The button is added, the button can be used as a remote controller to control equipment connected with the button, when the button is operated, the Wi-Fi board can control other equipment through a corresponding instruction signal through the Wi-F i, and meanwhile, the instruction can be sent to the display screen driving board to control the display screen. The silica gel key is convenient for controlling the integrated key on the Wi-Fi board.

And a key cushion block 4-4 is also arranged between the silica gel key and the operation key. The function of button cushion promotes the button and feels, prevents the maloperation.

The front part of the shell is provided with a detachable eyeshade 1-2. The display device is convenient to be applied to different scenes.

The shell is also provided with a battery bin assembly.

The battery compartment assembly comprises a battery compartment, a battery compartment cover, a battery 5-1 arranged in the battery compartment, a positive contact, a negative spring and a battery circuit board, wherein one end of the battery compartment cover is hinged with the shell through a rotating shaft, and the other end of the battery compartment cover is locked through a battery compartment cover locking mechanism. The battery is arranged in the battery compartment, the built-in battery is convenient for the mobile and portable use of the device, and the replacement and maintenance are also convenient when the battery is invalid.

The battery compartment cover lock mechanism comprises a button 5-9 and a buckle 5-8, the middle of the button is hinged with the shell, one end of the button is connected with the shell through an expansion spring 5-10, and the other end of the button is provided with a buckle matched with the battery compartment cover. Only when pressing down the button, the lid just was opened to the battery storehouse, loosens the button after, the button pushes up in the battery storehouse lid under the spring action, the button can close the lid on time but can not open, installs 0 shape circle of battery storehouse lid on the battery storehouse lid, when the battery storehouse lid was closed, breaks the padlock off with the fingers and thumb on the battery storehouse lid, and the battery storehouse lid compresses O shape circle under the pressure of padlock this moment to reach sealed effect.

The shell is also provided with an aerial plug 2-2. The sealing device is used for external power supply and/or program updating, and in order to ensure the sealing performance of the whole machine, the aviation plug joint is sealed by an O-shaped ring and sealing glue.

The top of the shell is provided with helmet interfaces 1-3 used for being connected with a helmet. The helmet display can be conveniently connected with the helmet.

The eyepiece assembly comprises 3-4 parts of eyepiece lenses and 3-6 parts of eyepiece supporting seats, the eyepiece supporting seats are installed on the shell, the eyepiece lenses are installed on the eyepiece supporting seats through eyepiece mirror frames, 3-8 parts of display screen driving plates are installed on the eyepiece supporting seats through 3-7 parts of driving plate supports, the display screens are installed on the 3-3 parts of display screen supports through 3-2 parts of display screen pressing plates, and the display screen supports are arranged between the eyepiece supporting seats and the driving plate supports. Because the size of the display screen is small, human eyes cannot directly observe images on the display screen, an eyepiece assembly is designed in order to enable the human eyes to clearly see the images, and meanwhile, the display screen and the display screen driving board are positioned and installed.

The Wi-F i board in the front cover component can receive and process image signals from other devices and transmit the image signals to the display screen through the flat cable; after the display screen is lightened by the display screen driving board, corresponding image information can be displayed on the display screen; because the OLED display screen is small in size, the image on the display screen cannot be directly observed by human eyes, and the image can be observed by the human eyes after the image is amplified by an eyepiece; the helmet display device is provided with 5 keys which are an upper key, a lower key, a left key, a right key and an M key respectively, wherein the functions of the upper direction key, the lower direction key, the left direction key and the right direction key are menu switching and parameter selection, and the function of the M key is confirmation and startup and shutdown; the battery compartment contains 2 CR123A type batteries, provide the power for the whole helmet display; the shell, the protective window and the like provide structural support and protection for the helmet display, and meet the protection grade requirement of I P67.

The helmet display is mounted layer by layer in a stacking mode, the window 2-1 is mounted firstly, and the window is adhered to the shell 1-1 through silica gel, so that the protection and sealing of an eyepiece can be realized. After the window is installed, the eyepiece lenses 3-4 are placed on the eyepiece supports 3-6, the eyepiece lenses are tightly pressed by the eyepiece frame 3-5, and screws are screwed down. Then, the eyepiece holder is placed in the housing together with the eyepiece, and the eyepiece holder is fixed with screws.

The display screen 3-1 is one of core components of the helmet display, in order to ensure stable imaging of the display screen under different use conditions, the display screen is fixed on the display screen support 3-3, vibration reduction foam 3-9 is attached to the upper side of the wire connector on the display screen, and then the display screen is pressed tightly by the display screen pressing plate 3-2. By doing so, on one hand, the display screen can be prevented from being damaged by directly receiving the pressing force of the screw, and on the other hand, the display screen can be normally used under the condition of vibration or impact. After the display screen is installed, the display screen support is fixed on an eyepiece support 3-6 through 4 studs, a drive plate support 3-7 and a drive plate 3-8 are sequentially installed, a flat cable 6-1 is installed on the drive plate, and the drive plate is fixed through screws.

The aviation plug 2-2 is used for external power supply and program updating, is arranged on the side surface of the shell, and is sealed by an O-shaped ring and sealant in order to ensure the sealing of the whole machine.

The front cover assembly comprises a silica gel key 4-1, a front cover 4-2, a front cover O-shaped ring 4-3, a key cushion block 4-4 and a Wi-F i board 4-5, the silica gel key is installed in the front cover, then 5 key cushion blocks are plugged into the silica gel key, and the key cushion block is used for improving the hand feeling of the key and preventing misoperation. The Wi-F i board was then mounted in the bezel in the orientation shown and locked with screws. And finally, installing the O-shaped ring of the front cover on the front cover for sealing.

The battery compartment assembly comprises 5-1 parts of batteries, 5-2 parts of positive contacts, 5-3 parts of negative springs, 5-4 parts of rotating shafts, 5-5 parts of limiting blocks, 5-6 parts of battery compartment circuit boards, 5-7 parts of battery compartment cover O-shaped rings, 5-8 parts of buckles, 5-9 parts of buttons and 5-10 parts of springs. The positive contact and the negative spring are fixed on the battery compartment circuit boards in a welding mode, the two battery compartment circuit boards are respectively adhered to the battery compartment cover and the bottom of the battery compartment through glue, and the limiting blocks are arranged on the surfaces of the battery compartment circuit boards after the battery compartment circuit boards are installed, and are used for preventing the batteries from being reversely connected. Due to the action of the limiting block, under the condition that the battery is reversely connected, the negative electrode of the battery is not in contact with the positive electrode contact, and the helmet display is prevented from being damaged due to the fact that the battery is reversely connected. The opening and closing of the battery compartment are realized by the padlock, the button and the spring, the cover of the battery compartment is opened only when the button is pressed, the button is pushed into the cover of the battery compartment under the action of the spring after the button is loosened, and the cover can not be closed but can not be opened when the button is not pressed. The battery compartment cover is provided with a battery compartment cover 0-shaped ring, when the battery compartment cover is closed, the buckle lock is broken off from the battery compartment cover, and the battery compartment cover compresses the O-shaped ring under the pressure of the buckle lock, so that the sealing effect is achieved.

After the front cover assembly and the battery compartment assembly are installed, the front cover assembly can be installed on the shell and is locked by 3 countersunk head screws in the radial direction.

Signal processing principle of the helmet display: the Wi-Fi receives image signals transmitted by other equipment and the voltage of 2 CR123A batteries, the Wi-Fi transmits the image signals to the display screen driving board through a connecting wire, and the display screen driving board lights a screen through a flat cable and displays related image information. When the keys are operated, the Wi-Fi board can control other equipment through corresponding instruction signals through Wi-Fi, and can send instructions to the display screen driving board to control the display screen.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The wireless helmet display is characterized by comprising a shell, an eyepiece assembly, a display screen and a display screen driving board which are arranged in the shell, and further comprising a Wi-Fi board arranged in the shell, wherein the Wi-Fi board is electrically connected with the display screen driving board, and is wirelessly connected with external equipment.

2. The wireless head-mounted display of claim 1, further comprising an operation button.

3. The wireless helmet display of claim 2 wherein the operating keys are used to control an external device.

4. The wireless helmet display of claim 3, wherein the operating keys are disposed on the Wi-Fi board, the Wi-Fi board is disposed on a front side of the display driver board, a front cover is disposed on a front side of the housing, and silicone keys corresponding to the operating keys are disposed on the front cover.

5. The wireless helmet display of any of claims 1-4 wherein the rear side of the housing is provided with a removable eye shield.

6. The wireless helmet display of claim 5 wherein a battery compartment assembly is further disposed on the housing.

7. The wireless helmet display of claim 6 wherein the battery compartment assembly comprises a battery compartment, a battery compartment cover, a battery disposed in the battery compartment, a positive contact, a negative spring, and a battery circuit board, wherein one end of the battery compartment cover is hinged to the housing through a shaft, and the other end of the battery compartment cover is locked by a battery compartment cover locking mechanism.

8. The wireless helmet display of any of claims 1-4 wherein the housing further comprises an aerial plug.

9. The wireless helmet display of any of claims 1-4 wherein the top of the housing is provided with a helmet interface for connection to a helmet.

10. The wireless helmet display of any of claims 1-4 wherein the eyepiece assembly comprises an eyepiece lens and an eyepiece support mounted to the housing, the eyepiece lens being mounted to the eyepiece support via an eyepiece frame, the display screen drive board being mounted to the eyepiece support via a drive board bracket, the display screen being mounted to the display screen bracket via a display screen hold down, the display screen bracket being disposed between the eyepiece support and the drive board bracket.