WO2014201987A1

WO2014201987A1 - Helmet device

Info

Publication number: WO2014201987A1
Application number: PCT/CN2014/080022
Authority: WO
Inventors: 王浩
Original assignee: Wang Hao
Priority date: 2013-06-16
Filing date: 2014-06-16
Publication date: 2014-12-24
Also published as: CN204091105U; CN104287270A

Abstract

Disclosed is a helmet device. A connecting piece (102) is arranged between a helmet (101) and a display device (103), wherein the connecting piece (102) comprises a connecting arm (1022), and a first connecting part (1021) and a second connecting part (1023) arranged on both ends of the connecting arm, wherein the first connecting part (1021) is connected with the helmet (101), the second connecting part (1023) is connected with the display device (103); and the connecting piece (102) is an adjustable component and is used for adjusting the height, width and distance between the display device (103) and the helmet (101) wearer's eyes as well as the angle between the user's sight line and the display device (103).

Description

Description book helmet device

TECHNICAL FIELD The present invention relates to a helmet device. BACKGROUND OF THE INVENTION Currently, helmet devices are used in various industries, for example, patent 201010502802.4 discloses a helmet device suitable for thermal image observation. The prior art helmet device is usually observed by a monocular or binocular; the prior art eyepiece shown in Fig. 4 is easy to face the user when the display device is in the viewing position, because it is located directly in front of the eye. (at least one eye) The observation of the scene environment produces a normal occlusion of the front view (the pupil is in the direct view of the center of the eye); wherein, when it is a monocular, there is an observation of the outside world and observation between the eyes of the user. The visual difference of the image is easy to feel dizzy when used in walking; and when the binocular is used, the user is inconvenient to walk because of the occlusion of the eyepiece by the eyepiece. In summary, prior art helmet devices, such as display devices, have a greater impact on the user's walking when adjusted in the viewing position. In order to facilitate viewing of the displayed image and reduce the impact on the user's walking, the prior art eyepieces are usually adjusted, such as the adjustment of the eyelids up and down, the adjustment of the left and right flips, and the adjustment of the lift; There is such a problem that it is necessary to adjust the observation position of the display device, such as flipping the eyepiece during walking, so as to facilitate the observation of the eye to the outside under walking, and then down the eyepiece when the display image needs to be observed, so as to observe the image. State; when the user holds other items in both hands, the adjustment operation is inconvenient; in addition, when used at night, if the display device of the helmet device is close to the eyes, the visual difference between the display device and the external brightness may easily cause the human eye to feel Discomfort. Further, for example, when performing infrared photographing, it is sometimes necessary to continuously compare the infrared thermal image and the actual subject to be photographed, and it is necessary to facilitate both eyes to observe; it is apparent that the display device of the prior art helmet device is inconvenient or comfortable to operate. SUMMARY OF THE INVENTION In view of the above problems of the prior art, the present invention provides a user-friendly viewing image and an observation environment. It reduces the impact on walking, improves the comfort of the eye observation display image, facilitates the adjustment of the display device, and has a simple helmet device. To this end, the present invention adopts the following technical solutions.

a helmet device, comprising a helmet and a display device, wherein the display device is connected to the helmet through a connecting member; wherein: the connecting member comprises a connecting arm and a first connecting portion and a second connecting portion at both ends of the connecting arm, a first connecting portion is connected to the helmet, the second connecting portion is connected to the display device; the connecting member is an adjustable component for adjusting up and down, left and right between the display device and the helmet wearer's eyes , the distance, the angle of view of the user's eyes and the angle of the display device.

The invention has the beneficial effects that: the display device is conveniently disposed at a position away from the human eye, and the display device can be disposed outside the normal line of the human eye; etc.; the existing display device is often disposed in the human eye. Facing the front of the line of sight, and often close to the human eye, the resulting visual comfort is poor, and it is easy to block the human eye from observing the external environment; the operator can adjust the display device according to any direction and a certain range of distance, It adapts to the needs of different operators' eyes to be comfortable from the display, such as observation distance and observation angle; thus, it can not obstruct the line of sight, and can easily observe the display image and the external environment.

DRAWINGS

Figure 1 (a) - (c) is a schematic view of the helmet of the first embodiment;

Figure 2 (a) - (c) is a schematic view of the helmet wearing of the first embodiment;

Figure 3 (a) - (c) is a schematic view of the appearance of the helmet of the embodiment 1;

Figure 4 (a) - (c) is a schematic view of a prior art helmet wearing;

Figure 5 (a) - (d) is a schematic view of the connector of the embodiment 1;

Figure 6 (a) - (c) is a schematic view of the appearance of the display device of the first embodiment, a hood, and a hood; Figure 7 (a) - (d) is the helmet, display device, and connector of the first embodiment Connection diagram

8(a)-(b) are schematic views showing the mounting of a thermal image capturing apparatus in the helmet of Embodiment 1;

Figure 9 is a schematic view of the connector of Embodiment 2; Figure 10 is a schematic view showing the socket of the helmet and the display device of the second embodiment;

Figure 11 is a schematic view showing the connection of the helmet 101, the connecting member 102, and the display device 103 of the second embodiment;

Figure 12 is a schematic view showing the connection of the connecting member of the embodiment 3 to the helmet;

Figure 13 is a schematic view showing the mounting of a thermal imaging device inside the helmet of Embodiment 4;

Figure 14 (a), (b) is a schematic view of the helmet of the fourth embodiment;

Figure 15 is a schematic view showing the structure of a display device of Embodiment 5.

detailed description

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

Example 1

Embodiment 1 is explained with reference to Figs. 1 to 8, in which components of the same type are given the same reference numerals.

1 and 2 are schematic views showing the wearing of the helmet device of the first embodiment.

In Fig. 1, Fig. 1(a) is a front view of the user wearing the helmet device, wherein Fig. 1(b) is a left side view of the user wearing the helmet device, and Fig. 1(c) is after the user wears the helmet device. A top view; the helmet device includes a helmet 101, a connector 10 ^{2 of the} helmet 101 and the display device 103, and a display device 1 (wherein the display device 1C is adjusted to be located on the side of the user's eyes).

In Fig. 2, Fig. 2(a) is a front view of the user wearing the helmet device, wherein Fig. 2(b) is a left side view of the user wearing the helmet device, and Fig. 2(c) is a top view of the helmet; The device includes a helmet 101, a connector 102 of the helmet 101 and the display device 103, and a display device 103. Display device 103 is positioned above the user's eyes.

In FIGS. 1-2, the display device 103 can be disposed outside the normal line of the human eye. When the length of the connector 102 is about 30 CM, the display device 103 can be disposed from the human eye by adjusting the connector 102. It can be set between 8CM and 30CM, and can be set at a position that does not block the normal line of the human eye. Obviously, when the connecting member 102 is a flexible shaped serpentine tube, the user can realize the position setting of the display device 103 shown in FIGS. 1-2 by bending the serpentine tube. The total length of the connecting member 102 should be sufficient to meet the adjustment range of the distance from the human eye to the display screen; for example, when the adjustment range of the design is between 8 and 30 CM, the total length of the connecting member 102 should take into account the first connecting portion and The mounting portion of the helmet 101, for example, when mounted on the front of the helmet 101, assumes that the front portion is substantially in the same vertical plane as the human eye, and the total length of the connecting member 102 can be designed to be about 30 cm to satisfy the realization of the display device 103. The approximate adjustment range between 8CM and 30CM.

In order to ensure the comfort of the human eye, it does not affect the user's walking. A liquid crystal display of a certain size (for example, 1.5 inches - 5 inches) can be used to facilitate the observation of both eyes; in the case of adding a lens, the human eye can Observing the display screen at a closer distance, but increasing the weight of the LCD screen, affecting the falling position that causes the floating position of the display device during walking, so the lens can be omitted; at this time, because the human eye observes the distance limit of the liquid crystal screen, such as human eye observation The distance varies from person to person by about 15 cm. In order to ensure the comfort of observation, it is necessary to satisfy the realization that the display device 103 is larger than 15 cm from the human eye. Depending on the adjustable range and the position at which the connector 102 is mounted on the helmet 101, the length of the connector 102 can be generally configured, for example, between 15CM and 35CM.

Fig. 3 is a schematic view showing the external configuration of the helmet device of the first embodiment.

3(a) is a front view, FIG. 3(b) is a side view; FIG. 3(c) is a plan view; the helmet device has an outer appearance comprising: a helmet 101, a connector 10 ² , and a display device 10 ³ ; In the first embodiment, a thermal image capturing device is mounted in the helmet 101, and the lens 104 of the thermal image capturing device is visible in the front portion of the helmet 101.

4 is a schematic view of the wearing of a prior art helmet device. 4(a) is a front view of the wearing state of the user, wherein FIG. 4(b) is a left side view of the wearing state of the user, and FIG. 4(c) is a top view of the wearing state of the user; the helmet device includes a helmet, A connector 401 of the helmet and the display device 402, and a display device 402 for the user to observe a thermal image or the like. The difference from the first embodiment is that the display device 402 is disposed in front of the human eye, that is, on the front view normal line of the human eye, and forms an occlusion on the front view of the human eye to the outside; and, when the distance from the human eye is close, for example, When it is within 8cm, it is easy to cause discomfort to the user.

According to FIG. 1, FIG. ² , FIG. 3; obviously, in Embodiment 1, the suspension position of the display device 103 is set by the stereotype adjustment connector 102, and the normal normal of any one of the eyes of the user Can be unobstructed, users can pass the main The observation of the display device 103 is determined by the consciousness, and since the display device 103 is at a certain distance from the human eye, the parallax of light and dark can be reduced. The user can observe or not observe, and has little effect on the use in walking. When it is necessary to observe, the user can use the corner of the eye (such as rotating the eyeball) to observe the nature, ensuring, for example, walking in the substation. Use security. Moreover, the display device 103 can adopt a suitable size according to the needs of use; the position of the assembly is extremely flexible, for example, it can be disposed on the side of the eye (as shown in FIG. 1), above (as in FIG. 2), below, etc.; The display device 103 is disposed on a normal vertical plane of the position after the human eye rotates, but there may be other flexible manners, such as setting a normal clip for allowing the display device 103 to observe the viewing angle of the screen with the human eye. Angles, such as angles of suitable viewing of less than 90, are also suitable for use in applications where there is a suitable viewing distance, for example around 30 CM.

An embodiment of the connector 1 of the embodiment 1 will be described with reference to FIG.

As shown in FIG. 5(a), the connecting member 102 includes a connecting portion 1022 and a first connecting portion 1021 and a second connecting portion 10 ² 3 at both ends of the connecting arm 1022. The connecting arm 10 ²² can be shaped and curved. a tube, such as a metal serpentine tube; the first connecting portion 1021 and the second connecting portion 1023 may be connected with a threaded connecting end, and the connecting arm 1022 may be inserted into the other end of the connecting head to be connected to each other, such as a pressure. Pick up.

In another embodiment, as shown in FIG. 5(b), the connecting member 102 includes a connecting arm 1022 and a first connecting portion 10 ² 1 and a second connecting portion 10 ² 3 of the connecting arm. The connecting arm 10 ²² can be A serpentine tube, such as a metal serpentine tube is used; the first connecting portion 102K is connected to the second connecting portion 10 ²³ with a threaded connector at one end, and the other end of the connecting head can be inserted into the connecting arm (hollow serpentine tube) Connections between each other, such as crimping.

Further, as shown in Fig. 5(c), the serpentine tube can be bent and shaped by the user for adjusting the angles of the upper and lower sides, the left and right sides, the distance, and the line of sight and the display device 103 between the display device 103 and the wearer's eyes. It is advisable to use a serpentine tube that is easy to bend and shape, has a good shape, and has no bending and sound, and the serpentine tube should conform to a hollow diameter that is easy to pass through the cable wire. The outer wall of the serpentine tube can be wrapped with rubber and heat insulation. Set of sheaths.

The above-described connector 102 including a serpentine tube can be used as an embodiment of an adjustable member.

However, the present invention is not limited thereto. In other examples, the connection between the helmet and the display device may be connected, for example, two or two. The above rigid member is connected to each other by a universal adjusting mechanism (such as a ball head with damping and a mechanism for mating with the ball head), and realizes universal adjustment to constitute a connecting arm; and a second connected to the display device The connecting portion can be connected with the display device by using a universal adjusting mechanism (such as a ball head with damping and a mechanism for mating with the ball head), thereby adjusting the up, down, left and right, and the distance between the display device and the helmet wearer's eyes. The role of the line of sight and the angle of the display device.

As shown in Fig. 5(d), the connection of the first connecting portion 1021 with the helmet 101, and the connection of the second connecting portion 1023 with the display device 103 can obviously be connected and fixed by means of a nut 1024 or the like.

An embodiment of the display device 103 will be described with reference to FIG. 6;

Fig. 6(a) is an external view of the display screen 1031, Fig. 6(b) is a schematic view of the hood 1032, and Fig. 6(c) is a schematic view of the display device 103 constructed by the display screen 1031 on which the hood 1032 is mounted.

The display 1031 can be a normal TFT liquid crystal display, or a display such as an STN, an OLED, an LED, etc.; it can be a liquid crystal display of various sizes, and is preferably 1.5 inches to 5 inches according to an actual application. LCD screen; easy for the user to observe the eyes. On the upper and opposite sides of the outer casing of the display screen 1031, there are projections 1033 corresponding to the buckles 1034 of the hood 1032 to facilitate the attachment and detachment of the hood 1032.

The display device 103 is provided with a hood 1032, and the hood 1032 is detachable. The above design includes display 1031 and hood 1032, which combines the features of a large display, easy viewing and no interference from sunlight. Obviously, the display device 103 may also not include the hood 1032; or a hood that is fixed rather than detachable.

The manner in which the helmet 101 and the connector 102 of the display device 103 are assembled will be described with reference to the drawings; the connector 102 is constructed as shown in Fig. 5(b).

Figure 7 (a) is a top view of the helmet device;

Figure 7 (b) is a cross-sectional view taken along line A-A of Figure 7 (a);

Figure 7 (c) is an enlarged view of the detail I in Figure 7 (b); wherein the second connecting portion 10 ²³ is connected to the outer casing 1031 of the display screen by a nut 10 ²⁴ , and further, the helmet 101 and the display device 103 The cable conductors ⁷ <31 are connected to the circuit board 702 in the display device 103 through the hollow serpentine tube 1022. Figure 7 (d) is an enlarged view of the detail Π according to Figure 7 (b); wherein the first connecting portion 10 ² 1 is connected by a nut 10 ²⁴ to the boss 1011 of the helmet 101 housing 1012, and conductors of the cable between the helmet 101 and the display device is connected to ^{1,037,011,022} helmet of the circuit board 101 through the hollow tube serpentine. Obviously, the cable conductor 701 of this mode is located in the connecting member, and has strong protection and a simple and beautiful appearance.

Referring to FIG. 8, an embodiment in which a thermal image capturing device is mounted in a helmet will be described;

Figure 8 (a) is a top view of the helmet device;

Figure 8 (b) is a cross-sectional view taken along line B-B of Figure 8 (a); wherein the thermal image capturing device includes an infrared sensor 1013, a circuit board 1014, and a lens 104; wherein the lens 104 is mounted to the opening of the helmet 101, for example The thread on the outer wall of the lens is fixed to the opening by a nut, or a rubber band, and receives external light through the opening. Further, the partition 1015 is used to isolate the human head or the like.

The thermal image capturing device is mounted inside the helmet to capture data such as infrared thermal images by external light passing through the optical material at the opening or opening of the helmet. Mounting the thermal imager inside the helmet can achieve the following benefits:

1) Mounted inside the helmet, the components that make up the thermal imaging device can be made as a whole, or can be made into separate components, which is easy to configure load balancing, and improves helmet wear compared with the prior art. Comfort.

2) Mounted inside the helmet, the thermal imager itself is in a highly shielded internal environment of the helmet. Since the protection is much simpler than the prior art, even the thermal imaging device does not require a protective casing. The weight and cost of the thermal imaging device can be greatly reduced.

3) The thermal imager mounted inside the helmet can reduce or even eliminate the need for user installation and wiring, reducing the failure rate and damage rate.

Further, the thermal image capturing device is not limited to being mounted inside the helmet, and may be mounted outside the helmet or the like. In addition to the thermal image capturing device, it is also possible to mount various image capturing devices such as visible light, ultraviolet light, etc.; or it is also possible to mount two or more shooting devices of the same or different types of image sensors at the same time. The helmet device is not limited to including the imaging device. For example, the display device may receive the display signal of the imaging device via a communication interface included, for example, by wireless reception.

As shown in FIG. 1 to FIG. 8 above, the structure of the connecting member 102 obviously realizes the adjustment of the display device 103, such as the angles of the upper and lower sides, the left and right sides, the distance of the human eye, and the line of sight of the display device 103 and the human eye. Adjust so that the user can get a comfortable observation. Moreover, since the cable wires between the helmet 101 and the display device 103 are connected through the hollow connecting member 102, since the bending points of the wires are not always at the same position during the adjustment, it is not easy to be broken, and is neat and tidy.

Example 2

Embodiment 2 will be described with reference to Figs. 9-11;

An embodiment of the connector 102 of the helmet 101 and the display device 103 in Embodiment 2 will be described with reference to FIG. 9; the connector 102 includes a first connecting portion 91, a second connecting portion 93, and a connecting arm 92, and the connecting arm 92 is generally employed. a flexible shaped serpentine tube, such as a metal serpentine tube, the length of the serpentine tube being generally about 15CM-35CM, for example;

The first connecting portion 91 and the second connecting portion 93 adopt a pluggable electrical interface, and the helmet 101 is provided with an electrical interface 97 that cooperates with the electrical interface of the first connecting portion 91; the display device 103 is provided with An electrical interface 98 that mates with the electrical interface of the second connection portion 93. An electrical interface, such as an electrical plug, located at the two ends of the connector, is located at the electrical interface of the helmet 101 and the display device 103, such as an electrical receptacle; obviously, an electrical plug having an insertion rail 94, a locking projection 95, and a release locking projection member is preferably employed. Ensure the reliability of the connection with the matching electrical socket and the convenience of plugging and unplugging.

Figure 10 (a) shows the electrical interface 9 ⁷ on the helmet 101, such as an electrical socket that mates with the first connection portion 91 (electrical plug). Preferably, the electrical interface 97 can be disposed on the front side, the left side, the right side, etc. of the helmet 101 as shown in FIG. 10(a), and obviously can be disposed at other positions on the helmet 101.

Figure 10 (b) shows the electrical interface 98 on the display unit 103, such as an electrical receptacle that mates with a second connection portion 93 (electrical plug).

Figure 10 (c) is an enlarged schematic view of the electrical socket with the electrical plug. An embodiment of connecting the helmet 101 to the connector 102 of the display device 103 will be described with reference to FIG. 11;

Figure 11 (a) shows the helmet 101 to be connected, the display device 103, and the connector 102.

Figure 11 (b) shows the connected helmet 101, display device 103, and connector 102.

The electrical connection lines of the helmet 101 and the display device 103 are all wrapped in a serpentine tube. In use, the first connecting portion 91 of the connecting member 102 is inserted into the electrical interface 97 of the helmet, and then the second connecting portion 93 is inserted into the electrical device of the display device 103. The interface 98 can be arbitrarily arranged to adjust the position of the display device 103 because the connecting arm 92 adopts a bendable metal serpentine tube, so as to avoid obstructing the line of sight and facilitating the human eye to observe the display image and the outside world. The purpose of the environment. In this example, the first connecting portion 91, the second connecting portion 93, and the connecting arm 92 are of an integrated design, and both ends of the connecting arm 92 are directly designed as an electrical interface.

As an improvement, one of the first connecting portion 91 or the second connecting portion 93 is designed as an electrical interface, and the other connecting portion is fixedly connected to the helmet 101 or the display device 103. The advantage of the above design is that the structure is simple, the serpentine tube can wrap various communication and power connection lines, and the shaping and adjustment are convenient, the structure is simple, the cost is low, and the modular assembly is easy to realize. The above pluggable electrical interface, according to the needs of the power supply and video signals, for example, a Lemo (LEMO) connector with more than 4 cores (for example, LM.SG767, FGG 0B 305, etc., including plugs for use) And socket). Obviously, the plugs of the first connecting portion 91 and the second connecting portion 93 may adopt the same or different plugs, and the helmet 101, the socket 97 of the display device 103, and the socket 98 adopt a corresponding electrical interface such as a mating socket.

Example 3

Another assembly of the connector 102 of the helmet 101 and the display device 103 will be described with reference to FIG.

Figure 12 (a) is a top view of the helmet device;

Figure 12 (b) is a cross-sectional view taken along line A-A of Figure 12 (a);

Figure I ² (c) is an enlarged view of the detail Π according to Figure I ² (b); wherein the first connecting portion 10 ² 1 is connected to the outer wall 101 ^{2 of the} helmet 101 by a nut 10 ²⁴ , in addition, the helmet 101 and The cable conductor 1 ² <31 between the display devices 103 passes through An empty serpentine tube 1022 is coupled to the circuit board in the helmet 101. Obviously, the first connecting portion is connected to the helmet, may be connected to the outer wall of the helmet, or may be connected to the member connected to the outer wall of the helmet as in the first embodiment.

Example 4

Embodiment 4 will be described with reference to Figs. 13 to 14;

Figure 13 (a) is a top view of the helmet device;

Figure 13 (b) is a cross-sectional view taken along line B-B of Figure 13 (a); wherein the thermal imaging device includes an infrared sensor 1013, a circuit board 1014, and a lens 104; wherein the lens 104 is located inside the helmet through the helmet The optical window 132 at the opening receives external light. Further, the partition of the human head or the like is realized by the partition plate 1015.

The optical window 132 may be various materials capable of transmitting infrared light, such as an artificial crystal material. Preferably, a single crystal germanium is used as a window material, and the transmittance of infrared light of 3-5 or 8-14 micrometers is 95. More than %, further, an anti-reflection film is further coated on the window material to enhance the transmittance of infrared light. The infrared window can be attached to the opening of the helmet with adhesive. Obviously, compared with the embodiment 1, the utility model has the advantages of simple appearance, concealment and good protection. However, this type of lens 104 should be an ESC lens or a lens that does not require manual focusing.

Figure 14 (a), (b) is a schematic view of the user wearing;

Figure 14 (a) is a side view, the connecting member includes a first connecting portion 142, a connecting arm composed of a rigid member 143 and a shapeable adjusting member 144, and a second connecting portion 145; the rigid member 143 has a long size, for example The design is about 15 cm; the adjustable adjustment member 144 can be adjusted by any type of bending, for example, by using a serpentine tube, and the installation position of the display device 103 as realized in FIG. 14(b) can be realized. It can guarantee the convenient and beautiful double effect of adjustment.

The first connecting portion 142 in the structure is connected to the helmet, and can be fixedly connected to the helmet in an unadjustable manner; and can also be connected in an adjustable manner, for example, by using a rotating or adjustable rotating mechanism and a helmet. Connection; a rotating mechanism such as a gear with damping for rotation; or a pluggable structure.

Example 5 In order to ensure the comfort of the human eye, the walking of the user is not affected; in the display device 103 described above, it may be arranged that the human eye does not constitute a normal occlusion, and preferably, a liquid crystal display of a certain size is suitable (for example) 1.5 inches - 5 inches) for easy viewing of both eyes.

Wherein, if the display device 103 directly adopts an ordinary liquid crystal display screen without a lens, since the human eye observes that the liquid crystal screen has a distance limitation, if the human eye observation distance varies from person to person by about 15 cm, most people will be close to the distance. The display screen cannot be seen or is prone to fatigue; in order to ensure the comfort of the observation, the connector 102 is required to be long, for example, generally designed to be in the range of 15CM-35CM, which sometimes affects the convenience of use. An embodiment of a display device that facilitates closer viewing is illustrated with reference to FIG.

15 is a schematic diagram of the components of the display device. The hood 151, the lens 15 ² , the first member 153 , the second member 154 , the display screen 155 , the back cover 156 ;

The liquid crystal display 155 can be a common TFT liquid crystal display, or can be a display of various types such as STN, OLED, LED, etc. The lens 152 can be a magnifying glass, and can be selected from various materials (such as plastic using crystal materials, glass). Such materials and curvatures can be used to make such lenses, which can be convex lenses, semi-convex lenses, Fresnel lenses or other kinds of magnifiers. There are two main functions. First, the picture on the LCD screen is enlarged, second. Solving the problem that the image is not clear when the human eye is too close to the liquid crystal screen; wherein the display screen 155 is parallel to the lens 152, the lens is a magnifying glass, and the distance between the display screen and the lens is within a certain range, when When there is only one lens, the distance L between the display screen 155 and the lens 152 is preferably less than or equal to 1 times the focal length of the lens 152. When there is a set of lenses, the normal distance between the display screen 155 and the center point of the set of lenses It should be less than or equal to 1 times the focal length of the lens of the group.

As a preferred solution, in the first member 153 of the fixed lens 152 and the second member 154 of the fixed display screen, an adjustment mechanism may be provided for adjusting the distance between the lens 152 and the display screen 155, for example, the internal setting of the first member 153 and the The outer member of the two members 154 is threaded so that the distance between the lens 152 and the display screen 155 is adjusted by screwing in or out of the screw. Of course, as described above, the lens is fixed to the first member 153, and then the screw is released. 157 adjusting the position between the first member 153 and the second member 154 to achieve the distance between the lens 152 and the display screen 155 can also be considered as adjustment Institution. The display screen 155 can be a liquid crystal display screen of various sizes, and the above design of the display device 103 is easy to combine the three functions of a large display screen, a close-range observation and no sunlight interference.

The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the inventive concept, and these improvements and retouchings should also be considered. It is within the scope of protection of the present invention.

Claims

claims

1. Helmet device, including a helmet and a display device, and the display device is connected to the helmet through a connector; characterized in that: the connector includes a connecting arm and a first connecting portion and a second connecting portion at both ends of the connecting arm, The first connecting part is connected to the helmet, and the second connecting part is connected to the display device; the connecting piece is an adjustable component, used to adjust the up and down position between the display device and the eyes of the helmet wearer. , left and right, far and near, the angle between the user's eye line of sight and the display device.

2. The helmet device according to claim 1, characterized in that the distance between the connector-adjustable display device and the eyes of the helmet wearer can be approximately in the range of 8cm~30cm.

3. The helmet device according to claim 1, characterized in that the connecting arm adopts a bendable and shaped serpentine tube, or a component composed of a bendable and shaped serpentine tube and a rigid connecting component.

4. The helmet device according to claim 1, wherein the length of the connecting piece is configured to be between 15cm and 35cm.

5. The helmet device according to claim 1, wherein the display device is adjustable to a position outside the normal line of the human eye's direct line of sight.

6. The helmet device according to claim 1, characterized in that: the connecting arm adopts a bendable and shaped serpentine tube, the first connecting part is provided with a pluggable electrical interface, and the helmet is provided with a The electrical interface of the first connecting part matches the electrical interface.

7. The helmet device according to claim 1, wherein the connecting arm adopts a flexible and shaped serpentine tube, the second connecting part is provided with a pluggable electrical interface, and the display device is provided with An electrical interface matching the electrical interface of the second connection part.

8. The helmet device according to claim 1, wherein the display device adopts a 2-5 inch liquid crystal display.

9. The helmet device according to any one of claims 1 to 8, characterized in that the helmet is equipped with a thermal imaging device, and the thermal imaging device and the display device are connected by a connecting cable through a hollow connector. Make electrical connections.

10. The helmet device according to claim 9, characterized in that the thermal imaging device is installed inside the helmet and receives external infrared radiation through the helmet opening.

11. The helmet device according to claim 1, wherein the distance between the connector-adjustable display device and the eyes of the helmet wearer is greater than 15cm.