CN110703907B - Head-mounted intelligent device and glasses for augmented reality - Google Patents

Abstract

The application discloses a head-mounted intelligent device and glasses for augmented reality. Such a head-mounted smart device includes: the intelligent assembly and with the bandeau that intelligent assembly links to each other be provided with the elastic component that is prepared by shape memory alloy in the bandeau, the elastic component with intelligent assembly heat conduction formula is connected. By utilizing the shape memory characteristics of the shape memory alloy, the stretching state and the storage state of the headband can be accurately controlled, so that the head-mounted intelligent equipment can be stored conveniently.

Description

Head-mounted intelligent device and glasses for augmented reality

Technical Field

The application relates to electronic equipment, in particular to head-mounted intelligent equipment. The application also relates to glasses for augmented reality.

Background

The mixed reality, MR, is a combination of virtual reality VR and augmented reality AR. Typically, a user may be immersed in a completely new three-dimensional environment with computer-generated real world and virtual things superimposed by means of a head-mounted smart device, such as MR glasses. Taking MR glasses as an example, a plurality of electronic elements such as a processor, a sensor and the like are arranged on the MR glasses so as to superimpose computer-generated virtual things in a real scene, thereby forming a brand new three-dimensional environment.

Disclosure of Invention

The invention provides a head-mounted intelligent device. An elastic member made of a shape memory alloy is provided in a headband of the head-mounted smart device. By utilizing the shape memory characteristics of the shape memory alloy, the stretching state and the storage state of the headband can be accurately controlled, so that the head-mounted intelligent equipment can be stored conveniently.

The head-mounted intelligent device according to the first aspect of the present invention comprises: the intelligent assembly and with the bandeau that intelligent assembly links to each other be provided with the elastic component that is prepared by shape memory alloy in the bandeau, the elastic component with intelligent assembly heat conduction formula is connected.

In one embodiment, the elastic member forms at least one fold region of the headband.

In one embodiment, the shape memory alloy has a transition temperature between 40 ℃ and 45 ℃ below which the elastic member is in a folded state; above the transition temperature, the elastic member is in an extended state.

In one embodiment, the shape memory alloy is a TiNi alloy or a TiNiCu alloy.

In one embodiment, the headband includes a body, the elastic member being disposed within the body.

In one embodiment, a receiving groove is provided in the body, and the elastic member is mounted in the receiving groove.

In one embodiment, the elastic member is further fixedly connected with the body through a screw.

In one embodiment, a plurality of heat dissipation holes extending to the elastic member are provided on the body.

In one embodiment, a signal wire is also disposed within the headband, the signal wire extending over the elastic member in a fixed attachment.

In one embodiment, the resilient member is configured as a resilient metal sheet.

According to a second aspect of the invention, glasses for augmented reality comprise a glasses frame carrying an intelligent component and glasses legs connected with the glasses frame, wherein elastic metal sheets made of shape memory alloy are arranged on the glasses legs, and the elastic metal sheets are connected with the intelligent component in a heat conduction mode and form folding parts of the glasses legs.

In one embodiment, the shape memory alloy has a transition temperature between 40 ℃ and 45 ℃ below which the resilient metal sheet is in a folded state; above the transition temperature, the resilient metal sheet is in an extended state.

In one embodiment, the eyeglass frame is made of a metallic material, and the shape memory alloy is a TiNi alloy or a TiNiCu alloy.

In one embodiment, the resilient metal sheet is located within 1/3 of the area of the temple adjacent the eyeglass frame.

In one embodiment, the glasses leg further comprises a body, a containing groove is arranged in the body, and the elastic metal sheet body is installed in the containing groove.

In one embodiment, the elastic metal sheet body is fixedly connected with the body through a screw.

In one embodiment, a plurality of heat dissipation holes extending to the elastic metal sheet body are provided on the body.

In one embodiment, a signal wire is also provided in the temple, which extends over the resilient metal sheet in a fixed attachment.

Compared with the prior art, the invention has the following beneficial effects: the head-mounted intelligent device provided by the invention is provided with a foldable head belt, wherein an elastic piece made of shape memory alloy is arranged in the head belt and is in heat conduction connection with the intelligent component. Thus, the stretching state and the storage state of the headband can be accurately controlled by utilizing the shape memory characteristics of the shape memory alloy, so that the head-mounted intelligent equipment can be stored conveniently. In addition, the deformation performance of the headband can be improved by using the superelasticity of the shape memory alloy. Furthermore, the shape memory alloy can assist the heat dissipation of the intelligent device, thereby improving the use feeling of the user.

For the glasses for augmented reality, the elastic metal sheet body prepared by the shape memory alloy forms the folding part of the glasses leg, and the stretching and the storage of the glasses leg are completed by means of the shape memory characteristic of the shape memory alloy, so that the number of parts of the glasses is greatly reduced, and the manufacturing difficulty and the manufacturing cost of the glasses are reduced. Furthermore, the elastic metal sheet body can also be used as a heat dissipation component to assist heat dissipation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

fig. 1 schematically shows the whole of a head mounted smart device according to one embodiment of the invention.

Fig. 2 schematically shows a B-B cross-sectional view of a headband of a head-mounted smart device.

Figure 3 schematically illustrates one positional relationship of the elastic members to the headband body in a partially hollowed out fashion.

Fig. 4 schematically illustrates another positional relationship of the elastic member to the headband body in a partially hollowed-out manner.

Fig. 5 schematically shows an entirety of glasses for augmented reality according to another embodiment of the present invention.

Fig. 6 schematically shows a cross section of the resilient metal sheet in an extended state.

Fig. 7 schematically shows a cross section of the resilient metal sheet in a folded state.

Fig. 8 schematically shows another form of attachment of the resilient metal sheet to the body.

Detailed Description

For the purposes, technical solutions and advantages of the present application, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Fig. 1 schematically shows a head mounted smart device 1 according to one embodiment of the invention as a whole. As shown in fig. 1, a head-mounted smart device 1 (hereinafter referred to simply as a smart device 1) includes a smart component 100 and a headband 200 connected to the smart component 100. The headband 200 is configured to be foldable. For example, an elastic member 300 made of a shape memory alloy is provided in the headband 200, and the elastic member 300 is thermally connected with the smart assembly 100.

In this way, the stretching state and the receiving state of the headband 200 can be precisely controlled by utilizing the shape memory characteristics of the shape memory alloy, thereby facilitating the receiving of the smart device 1 and the use of the user. In further embodiments, the headband 200 is removably attached to the smart device 1.

When the intelligent module 100 operates, the electronic components of the intelligent module 100 generate heat, so that the intelligent module 100 forms a heat generating component of the intelligent device 1. For example, for smart glasses, the temperature of the smart assembly 100 may reach above 40 ℃ when it is in operation. In this case, the transformation temperature of the shape memory alloy used in the present invention is between 40 ℃ and 45 ℃. In addition, when the temperature of the shape memory alloy is lower than its transition temperature, the elastic member 300 is in a folded state; the elastic member 300 is in an extended state when the temperature of the shape memory alloy is higher than its transition temperature. In this way, the deformation of the elastic member 300 can be controlled by the ambient temperature and the heat emitted from the smart assembly 100, thereby precisely controlling the extended state and the received state of the headband 200.

For example, when the ambient temperature is 15 ℃, after the smart device 1 is removed from the storage box, the elastic member 300 may be first preheated to a temperature higher than the transition temperature of the shape memory alloy, so that the elastic member 300 becomes in an extended state, and the headband 200 also becomes in an extended state conformably for the user. In this case, the heat dissipated from the smart assembly 100 may maintain the elastic member 300 in the extended state. When the smart device 1 is stored, it is necessary to lower the temperature of the elastic member 300 below its transition temperature without paying special attention to the folded shape of the elastic member 300, which is determined by the characteristics of the shape memory alloy. Thereby, the user is greatly facilitated to store the smart device 1. In this case, the elastic member 300 forms at least one folding region of the headband 200.

Furthermore, the elastic sheet 300 has very good elasticity above the transition temperature of the shape memory alloy. This greatly improves the deformation performance of the headband 200 to accommodate the shape of the head of different users.

In a specific embodiment, the shape memory alloy is a TiNi alloy or a TiNiCu alloy. By controlling the element ratio of the alloy and the proper heat treatment process, the transformation temperature of the alloy can be controlled between 40 ℃ and 45 ℃, and the details are not repeated here.

As described above, when the intelligent module 100 operates, the respective electronic components of the intelligent module 100 generate heat. Heating of the electronic components may result in a slow operation of the intelligent component 100 and even a delayed image and/or sound, which may result in poor user experience. In the smart device 1 of the present application, the smart component 100 can not only dissipate heat to the surrounding environment by itself, but also the heat generated by it can be transferred to the elastic member 300 on the headband to assist in heat dissipation, which is equivalent to increasing the heat dissipation area of the smart component 100. Thus, the headband 200 with the elastic member 300 can greatly improve the heat dissipation capability of the smart assembly 100, thereby improving the use feeling of the user using the smart device 1.

In one embodiment, the resilient member 300 is configured as a resilient metal sheet 301. The elastic metal sheet 301 has good heat transfer and heat dissipation properties, thereby facilitating heat dissipation from the intelligent module 100. In addition, the elastic metal sheet 301 is easier to deform and has good elasticity due to the smaller thickness, which helps to stably wear the intelligent device 1 on the head, so that a user can see more stable images, and the use feeling is further improved.

In other embodiments, the thickness of the elastic metal sheet 301 may be 0.1mm or more and 3.5mm or less, preferably 0.3mm or more and 1.2mm or less, and more preferably 0.8mm or less. The inventor finds that the elastic metal sheet 301 with such a thickness is thinner, has better heat dissipation capability, has a high deformation speed when the temperature is higher than the transition temperature of the shape memory alloy, has smaller weight and better elasticity, contributes to reducing the weight of the intelligent device 1, and enables the intelligent device 1 to be worn more stably.

As shown in fig. 2, the elastic member 300 is disposed within the body 201. In this way, the elastic member 300 is not seen from the outside, thereby improving the aesthetic appearance of the smart device 1. In a preferred embodiment, a plurality of heat dissipation holes 310 (shown in fig. 1) extending to the elastic member 300 are provided on the body 201. The heat dissipation holes help to improve the heat dissipation capability of the elastic member 300, and do not affect the aesthetic appearance of the smart device 1.

In one embodiment, as shown in fig. 3, a receiving groove 202 is provided in the body 201, and the elastic member 300 is installed in the receiving groove 202. More preferably, the elastic member 300 is also fixedly coupled to the body 201 by a screw, so that the elastic member 300 is disposed in the body 201.

In a specific embodiment, for the elastic metal sheet 301, screw holes are preset on the elastic metal sheet 301 and screw holes are preset on the body 201 accordingly, after the elastic metal sheet 301 is mounted in the receiving groove 202, the screw holes on the elastic metal sheet 301 are aligned with the screw holes on the body 201, and then screws are mounted in the two screw holes, thereby fixing the elastic metal sheet 301 in the body 201.

In another specific embodiment, as shown in fig. 4, two receiving cavities 204 are provided on the body 201 at intervals, and a groove 205 is formed between the two receiving cavities 204. The receiving cavity 204 and the recess 205 together form a receiving groove of the body 201. The body 201 further comprises a cover plate (not shown) which fits into the recess 205. Both ends of the elastic metal sheet 301 are inserted into the two receiving cavities 204, respectively (as shown by the broken lines in fig. 4), and are entirely within the grooves 205. The cover plate is detachably mounted in the groove 205 and covers the elastic metal sheet 301, thereby disposing the elastic metal sheet 301 in the body 201.

In other embodiments, the body is a plastic piece, such that the resilient metal sheet 301 can be directly fixed in the body 201 by injection molding.

A signal line 210 is also provided within the headband 200 of the smart device 1 to enable data transmission. As shown in fig. 3, the signal line 210 extends across the elastic member 300 in a fixed attachment manner. The planar elastic metal sheet 301 is more advantageous for fixing the signal line 210. In the embodiment shown in fig. 4, the signal line 210 may also extend over the elastic metal sheet 301 in a fixed manner. For example, the signal line 210 may be fixed to the elastic metal sheet 301 by bonding or by forming an extension groove on the surface of the elastic metal sheet 301. The elastic metal sheet 301 may have a large bending radius (e.g., a bending radius of 2mm to 100mm, preferably 1.5mm to 2.5mm, and more preferably 1.8 mm) when the headband 200 is received. Therefore, when the elastic metal sheet 301 is bent, the signal wire 210 fixedly attached to the elastic metal sheet 301 can bend with a larger bending radius in compliance with the bending of the elastic metal sheet 301, so that the probability of accidental breakage of the signal wire 210 is reduced, and the service life of the intelligent device 1 is prolonged.

Fig. 5 schematically shows the entirety of glasses 6 for augmented reality according to another embodiment of the present invention. The glasses 6 have similarities to the smart device 1 described above, only the differences between them being described here. As shown in fig. 5, the eyeglasses 6 include an eyeglass frame 600 and temples 700 connected to the eyeglass frame 600. The smart assembly 100 as described above is provided on the eyeglass frame 600, and the elastic metal sheet 701 (shown in the form of a cut-away eyeglass leg 700 in fig. 5) made of a shape memory alloy is provided on the eyeglass leg 700. The resilient metal sheet 701 is thermally conductively coupled to the smart assembly 100 and forms a fold of the temple 700. The elastic metal sheet 701 is the same as the elastic metal sheet 301 described above, and thus also has shape memory, good heat transfer, heat dissipation, and a large bending radius. In this way, the traditional mechanical shaft for folding the temples 700 is omitted in the glasses 6, thereby greatly reducing the number of parts of the glasses 6 and reducing the manufacturing difficulty and cost of the glasses 6.

It should be understood that "thermally conductive connection of the resilient metal sheet 701 to the intelligent module 100" means that the resilient metal sheet 701 is directly connected to the intelligent module 100, or indirectly connected through a heat transfer element. In one embodiment, the eyeglass frame 600 is made of aluminum or an aluminum alloy, and the elastic metal sheet body 701 is indirectly connected to the intelligent module 100 through the eyeglass frame 600. The aluminum or aluminum alloy has good heat dissipation performance and high heat transfer coefficient, and is beneficial to rapidly transferring the heat generated by the intelligent component 100 to the elastic metal sheet 701, so that the heat dissipation capability of the glasses 6 or the intelligent component 100 is further improved. In addition, the lower density of aluminum or aluminum alloy helps to reduce the weight of the eyeglass 6, which also helps to improve the user's feel of using the eyeglass 6. Furthermore, aluminum or aluminum alloy also facilitates heat transfer between the eyeglass frame 600 and the resilient metal sheet 701, thereby facilitating the temperature of the resilient metal sheet 701 to quickly reach above the transition temperature of the shape memory alloy and remain, thereby allowing the temple 700 to be in an extended state.

As mentioned above, the transition temperature of the shape memory alloy is between 40 ℃ and 45 ℃, which may reach temperatures above 40 ℃ when the intelligent component 100 is in operation. When the temperature of the shape memory alloy is lower than the transition temperature thereof, the elastic metal sheet body 701 is in a folded state; the elastic metal sheet 701 is in an extended state when the temperature of the shape memory alloy is above its transition temperature. In this way, the stretching state and the receiving state of the elastic metal sheet body 701 can be controlled by the ambient temperature and the heat emitted from the smart assembly 100, so that the glasses leg 700 is in the stretching state or the receiving state. For example, when the temperature of the resilient metal sheet 701 is above its transition temperature, the resilient metal sheet 701 is in the extended state, the temple 700 is extended and the eyeglasses 6 are in the wearable state. When the glasses 6 are stored, the temperature of the elastic metal sheet 701 needs to be reduced to or below the transition temperature.

In one embodiment, the shape memory alloy is a TiNi alloy or a TiNiCu alloy. The inventors have found that above the transition temperature of such shape memory alloys, the shape memory alloys also have superelasticity. In this way, the temple 700 is more flexible and less prone to damage, which helps accommodate the size of the head of different wearers.

Preferably, the resilient metal sheet 701 is located in the 1/3 region of the temple 700 associated with the eyeglass frame 600. The inventor found that with this structure, when the user wears the glasses 6, the elastic metal sheet body 701 does not contact the face of the wearer, which avoids discomfort of the face of the wearer caused by the elastic metal sheet body 701 having a high temperature.

In addition, the temple 700 further includes a body 710, a receiving groove 711 is provided in the body 710, and the elastic metal sheet 701 is mounted in the receiving groove 711. The elastic metal sheet 701 can also be fixedly connected with the body 710 by a screw 712. The body 710 is provided with a plurality of heat dissipation holes 713 extending to the elastic metal sheet body 701. A signal wire 714 is also provided in the temple 700, the signal wire 714 extending over the resilient metal sheet 701 in a fixed attachment. These features are similar to those described above and will not be repeated here.

It should be appreciated that in this application, the smart assembly 100 may include an image assembly, and a user may wear the headband 200 on his/her head and place the smart assembly 100 in front of his/her eyes while using the smart device 1, so that the user may see the image generated by the smart assembly 100. The intelligent component 100 may be imaged by virtual reality techniques, including but not limited to AR, VR and MR techniques. In another embodiment, the intelligent component 100 can also include an audio component to generate sound that is adapted to the image. Furthermore, the intelligent component 100 may also be a separate audio component.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims (19)

1. A head-mounted intelligent device, comprising: a smart component and a headband connected to the smart component, wherein an elastic member made of a shape memory alloy is provided in the headband, and the elastic member forms at least one folding area of the headband; controlling the stretching state and the receiving state of the headband by utilizing the shape memory characteristic of the shape memory alloy; the elastic piece is in heat conduction connection with the intelligent component; the intelligent component comprises an image component; the smart component dissipates heat to the surrounding environment by itself and transfers the generated heat to the elastic members on the headband to assist in dissipating heat; the heat dissipated by the intelligent component can keep the elastic piece in an extending state.

2. The head mounted smart device of claim 1, wherein the elastic member is in a folded state below a transition temperature of the shape memory alloy; above the transition temperature of the shape memory alloy, the elastic member is in an extended state.

3. The head mounted smart device of claim 2, wherein the shape memory alloy has a transition temperature of 40 ℃ to 45 ℃.

4. The head mounted smart device of claim 3, wherein the shape memory alloy is a TiNi alloy or a TiNiCu alloy.

5. The head mounted smart device of any one of claims 1 to 4, wherein the headband comprises a body within which the elastic member is disposed.

6. The head mounted smart device of claim 5, wherein a receiving slot is provided in the body, the resilient member being mounted in the receiving slot.

7. The head-mounted intelligent appliance of claim 6, wherein the elastic member is further fixedly connected with the body by a screw.

8. The head mounted smart device of claim 5, wherein a plurality of heat dissipating holes extending to the elastic member are provided on the body.

9. The head mounted smart device of claim 5, wherein a signal wire is further disposed within the headband, the signal wire extending across the elastic member in a fixed attachment.

10. The head mounted smart device of claim 9, wherein the resilient member is configured as a resilient metal sheet.

11. Glasses for augmented reality, characterized by comprising a glasses frame carrying an intelligent component and glasses legs connected with the glasses frame,

the glasses legs are provided with elastic metal sheets made of shape memory alloy, and the elastic metal sheets are connected with the intelligent component in a heat conduction mode and form folding parts of the glasses legs; the stretching and the storage of the glasses legs are completed by means of the shape memory characteristics of the shape memory alloy; the intelligent component comprises an image component; the heat generated by the intelligent component is transferred to the elastic metal sheet body, and the elastic metal sheet body is used as a heat dissipation part to assist in heat dissipation; the heat dissipated by the intelligent component can keep the elastic metal sheet body in an extending state.

12. The eyewear of claim 11, wherein said resilient metal sheet is in a folded state below a transition temperature of said shape memory alloy; above the transformation temperature of the shape memory alloy, the elastic metal sheet body is in a stretched state.

13. The eyewear of claim 12, wherein the shape memory alloy has a transition temperature between 40 ℃ and 45 ℃.

14. The eyewear of claim 13, wherein the frame is made of a metallic material and the shape memory alloy is a TiNi alloy or a TiNiCu alloy.

15. The eyewear of any one of claims 11-14, wherein the resilient metal sheet is within 1/3 of the temple adjacent the frame.

16. The eyeglass according to claim 15, further comprising a body within which is disposed a receiving slot within which the resilient metal sheet is mounted.

17. The eyewear of claim 16, wherein the resilient metal sheet is further fixedly attached to the body by screws.

18. The eyewear of claim 16, wherein a plurality of louvers extending to the resilient metal sheet are provided on the body.

19. The eyewear of claim 18, further comprising a signal wire disposed within the temple, the signal wire extending in a fixed attachment across the resilient metal sheet.