CN112485908B - Wearable electronic device - Google Patents
Wearable electronic device Download PDFInfo
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- CN112485908B CN112485908B CN202011496350.3A CN202011496350A CN112485908B CN 112485908 B CN112485908 B CN 112485908B CN 202011496350 A CN202011496350 A CN 202011496350A CN 112485908 B CN112485908 B CN 112485908B
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- absorbing medium
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- heat
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
Abstract
The application discloses wearable electronic device relates to the electronic product field. The wearable electronic device comprises a first base and a second base which is movably connected with the first base; the first substrate is provided with a cavity, and a flexible heat absorption medium for absorbing heat is arranged in the cavity; the wearable electronic device also comprises a first driving component arranged at the joint of the first substrate and the second substrate and a second driving component at least partially arranged in the cavity; the second substrate moves from the first state to the second state, the first driving assembly extrudes the flexible heat-absorbing medium along the first direction, and the flexible heat-absorbing medium extrudes the second driving assembly along the second direction; the second substrate moves from the second state to the first state, the second drive assembly presses the flexible heat absorbing medium in a direction opposite to the second direction, and the flexible heat absorbing medium presses the first drive assembly in a direction opposite to the first direction. The invention solves the technical problems that the heat dissipation position cannot be changed, the internal space of the device cannot be fully utilized and the like.
Description
Technical Field
The invention relates to the field of electronic products, in particular to a wearable electronic device.
Background
The relatively common heat dissipation mode of wearable electronic device is to contact the heat dissipation device (e.g., heat sink, etc.) of a fixed form with the device that generates heat, for example, paste heat pipe, etc. on the mainboard, or, set up the container in the region of the device that generates heat, then be equipped with liquid heat dissipation medium in the container, restrict liquid heat dissipation medium's form, etc. through the container. The above heat dissipation methods all have certain defects, and the shapes of the heat dissipation device and the container filled with the liquid heat dissipation medium and the contact position between the heat dissipation device and the container filled with the liquid heat dissipation medium are not changeable, so that heat dissipation can be performed only on a certain fixed position on the wearable electronic device.
In addition, when the heat dissipation device is installed in an area close to the heat generating device, additional occupied space is usually required, and further the volume of the shell is increased, so that the whole device is heavy.
Disclosure of Invention
An embodiment of the present application provides a wearable electronic device, includes: a first base and a second base movably connected to the first base; the first substrate is provided with a cavity, and a flexible heat absorbing medium for absorbing heat generated by a heating element in the wearable electronic device is arranged in the cavity; the wearable electronic device further comprises a first driving component arranged at the joint of the first substrate and the second substrate and a second driving component at least partially arranged in the cavity; the second substrate moving relative to the first substrate from a first state to a second state, the first drive assembly configured to compress the flexible heat absorbing medium in a first direction, the flexible heat absorbing medium compressing the second drive assembly in a second direction; the second substrate moves relative to the first substrate from a second state to a first state, the second drive assembly is configured to compress the flexible heat absorbing medium in a direction opposite the second direction, and the flexible heat absorbing medium compresses the first drive assembly in a direction opposite the first direction.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments described in the present application, and for those skilled in the art, other drawings may be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a wearable electronic device in which a second substrate is in a first state relative to a first substrate, according to one embodiment of the invention;
FIG. 2 is a schematic view of a wearable electronic device with a second substrate in a second state relative to a first substrate in accordance with one embodiment of the invention;
FIG. 3 is a schematic view of a wearable electronic device in which a second substrate is in a first state relative to a first substrate, according to another embodiment of the invention;
FIG. 4 is a schematic view of a wearable electronic device in which a second substrate is in a second state relative to a first substrate, according to another embodiment of the invention;
fig. 5 is a schematic view of an elastic pushing part formed by a flexible member and an elastic member according to an embodiment of the invention.
Description of reference numerals:
100-a first substrate; 110-a cavity;
200-a second substrate; 210-a pushing portion;
300-a flexible heat absorbing medium;
400-a flexible non-heat absorbing medium; 410-a contact;
500-a first drive assembly; 510-a push-against portion; 511-a first wall; 512-a second wall; 513-third wall; 520-a moving member; 530-a resilient abutment; 531-an elastic member; 532-abutment;
600-a second drive assembly; 610-elastic pushing part; 611-an elastic member; 612-a pushing part; 613-a flexible member; 620-a sensor; 630-a drive member; 640-a pusher;
700-a heating element;
800-element to be heat absorbed.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.
Referring to fig. 1 to 4, a wearable electronic device disclosed in an embodiment of the present invention includes a first substrate 100 and a second substrate 200.
The first base 100 is a basic mounting member of the wearable electronic device, the first base 100 is used for providing a mounting base for other structural members of the wearable electronic device, and the second base 200 is movably connected to the first base 100. In one specific embodiment, the second base 200 is rotatably coupled to the first base 100. For example, the first base 100 is a frame and the second base 200 is a temple, and the temple is rotatably mounted on the frame. In another specific embodiment, the second substrate 200 is slidably coupled to the first substrate 100. For example, the first base body 100 is a head-mounted fixing frame, the second base body 200 is an augmented reality display main body, the head-mounted fixing frame and the augmented reality display main body are respectively provided with a sliding rail and a sliding groove, and the head-mounted fixing frame can slide into the augmented reality display main body.
The first substrate 100 is provided with a cavity 110, a flexible heat absorbing medium 300 is provided in the cavity 110, and the flexible heat absorbing medium 300 is a flexible medium for absorbing heat. The cavity 110 accommodates electronic components, such as a heat generating component 700 and a component 800 to be heat absorbed, and the flexible heat absorbing medium 300 can absorb heat generated by the electronic components in the wearable electronic device. The flexible heat absorbing medium 300 can be coated outside the electronic component to absorb heat generated during operation of the electronic component, and the flexible heat absorbing medium 300 is filled in the gap of the cavity 110, so that no additional space is occupied, and the volume of the whole wearable electronic device is reduced.
The flexible heat absorbing medium 300 can be deformed in the cavity 110, and in order to deform the flexible heat absorbing medium 300 in the cavity 110 of the first base 100, a first driving assembly 500 and a second driving assembly 600 are provided, wherein the first driving assembly 500 is disposed at the connection position of the first base 100 and the second base 200, and at least a part of the second driving assembly 600 is disposed in the cavity 110 of the first base 100. The first driving assembly 500 and the second driving assembly 600 extrude the flexible heat absorbing medium 300 through at least partial movement, the flexible heat absorbing medium 300 deforms in the cavity 110, the shape of the wrapped electronic component changes, and the efficiency of absorbing heat generated by the electronic component is different. Through the action of the first driving assembly 500 and the second driving assembly 600, the shape of the flexible heat-absorbing medium 300 wrapping the electronic component is changed, and the heat generated by the electronic component is dissipated with different efficiency.
Specifically, when the second substrate 200 moves from the first state to the second state relative to the first substrate 100, the first driving assembly 500 extrudes the flexible heat absorbing medium 300, the flexible heat absorbing medium 300 moves towards the first direction, and the flexible heat absorbing medium 300 can deform, so that the flexible heat absorbing medium 300 moves in the second direction simultaneously in the cavity 110 under the combined action of the extrusion of the first driving assembly 500 and the limit of the inner wall of the cavity 110, the flexible heat absorbing medium 300 extrudes the portion of the second driving assembly 600 disposed in the cavity 110, and the second driving assembly 600 deforms or displaces after being extruded. When the second substrate 200 moves from the second state to the first state relative to the first substrate 100, the second driving assembly 600 generates a squeezing action on the flexible heat absorbing medium 300 in a direction opposite to the second direction, the flexible heat absorbing medium 300 moves in the direction opposite to the second direction, the flexible heat absorbing medium 300 deforms, and simultaneously moves in the cavity 110 in the direction opposite to the first direction, the flexible heat absorbing medium 300 generates a squeezing action on the first driving assembly 500, and the first driving assembly 500 deforms or displaces. Wherein the first direction and the second direction may refer to directions shown in the figures, which are perpendicular, but the solution of the present application is not limited to a relationship in which the first direction and the second direction are perpendicular to each other.
For example, the first state is a state in which the temple is folded with respect to the frame (see fig. 1 and 3), and is generally a state when the eyeglasses are stored, and the second state is a state in which the temple is unfolded with respect to the frame (see fig. 2 and 4), and is generally a state when the eyeglasses are used. The second base 200 is moved from the first state to the second state with respect to the first base 100, for example, the second base 200 may be rotated from the first state to the second state with respect to the first base 100, and specifically, the temple may be rotated from the folded state to the unfolded state with respect to the frame. The second base 200 is moved from the second state to the first state with respect to the first base 100, for example, the second base 200 may be rotated from the first state to the second state with respect to the first base 100, and specifically, the temple may be rotated from the unfolded state to the folded state with respect to the frame.
Through flexible heat absorbing medium 300 producing deformation and motion in cavity 110, changed flexible heat absorbing medium 300 and the electronic component's of setting in cavity 110 contact condition, cool off or dispel the heat to electronic component, meanwhile, can also make full use of cavity 110's inner space to, under the condition that does not increase the whole appearance volume of wearable electronic device, can enough reach good radiating effect, again can make full use of wearable electronic device's inner space.
In some embodiments of the present invention, a flexible non-heat absorbing media 400 is disposed between the first drive assembly 500 and the flexible heat absorbing media 300. Specifically, the flexible non-heat absorbing medium 400 is disposed in the cavity 110, and in order to ensure good contact, both ends of the flexible non-heat absorbing medium 400 are respectively formed with contact portions 410, i.e., the contact portions 410 are formed at a side opposite to the first driving assembly 500 for contact with the first driving assembly 500, and the contact portions 410 are also formed at a side opposite to the flexible heat absorbing medium 300 for contact with the flexible heat absorbing medium 300. In a particular embodiment, the contact portion 410 may be a portion of the flexible non-heat absorbing medium 400 that is in contact with the flexible heat absorbing medium 300 and the first drive assembly 500. By providing the flexible non-heat-absorbing medium 400, the flexible heat-absorbing medium 300 can wrap different electronic components, so as to perform heat dissipation or cooling treatment on the different electronic components.
According to the technical scheme of the embodiment of the invention, by operating the second base 200 to move relative to the first base 100, when the second base 200 moves from the first state to the second state relative to the first base 100, in the process, the second base 200 presses the flexible heat absorbing medium 300 in the first direction through the first driving assembly 500, so that the flexible heat absorbing medium 300 changes shape and moves position in the cavity 110 of the first base 100, and thus the contact condition between the flexible heat absorbing medium 300 and the heating element changes, and at the same time, the pressed flexible heat absorbing medium 300 presses the second driving assembly 600 in the second direction, so that the second driving assembly 600 deforms or moves, and thus the change of the volume in the cavity 110 is counteracted through the deformation or movement of the second driving assembly 600. When the second base 200 moves from the second state to the first state with respect to the first base 100, in the process, the second base 200 gradually releases the action on the first driving assembly 500, the second driving assembly 600 presses the flexible heat absorbing medium 300 in the direction opposite to the second direction, the pressed flexible heat absorbing medium 300 deforms and moves in the cavity 110, and the first driving assembly 500 can deform or move because the first driving assembly 500 is not pressed by the second base 200, so that the change of the volume in the cavity 110 is offset by the deformation or movement of the first driving assembly 500.
The wearable electronic device in the embodiment of the invention can be matched with the first driving assembly 500 and the second driving assembly 600 when the relative position of the first base 100 and the second base 200 is changed, so that the flexible heat-absorbing medium 300 is deformed and moves in the cavity 110, the internal space of the first base 100 can be fully utilized, the heat dissipation effect on the heating element is changed by changing the contact condition of the flexible heat-absorbing medium 300 and the heating element, and meanwhile, the heat generated by the heating element can be evacuated to other places through the flexible heat-absorbing medium 300. Therefore, the wearable electronic device in the embodiment of the invention can achieve good heat dissipation effect and fully utilize the internal space of the device under the condition of not increasing the overall appearance volume of the device.
Referring to fig. 1 and fig. 2, in an alternative embodiment of the invention, the first driving assembly 500 includes a pushing portion 510, the pushing portion 510 is disposed on the second substrate 200, and the pushing portion 510 pushes the contact portion 410 of the flexible non-heat absorbing medium 400, so that the flexible non-heat absorbing medium 400 deforms and moves in the cavity 110, and the flexible non-heat absorbing medium 400 extrudes the flexible heat absorbing medium 300 along the first direction.
For example, referring to fig. 1 and 2, the push part 510 may include first and second opposite walls 511 and 512 and a third wall 513 vertically connected to the first and second walls 511 and 512. A first end of the first wall 511 is rotatably connected to the first base 100, a second end of the first wall 511 opposite to the first end is connected to the third wall 513, and a connection portion between the third wall 513 and the second end of the first wall 511 gradually pushes the contact portion 410 until the third wall 513 is completely contacted with the contact portion 410 by rotating the second base 200 relative to the first base 100 from the first state to the second state. In the process that the second base 200 rotates from the first state to the second state relative to the first base 100, the pushing portion 510 of the second base 200 pushes the contact portion 410 of the flexible non-heat-absorbing medium 400, so that the flexible non-heat-absorbing medium 400 deforms and moves, the pushing portion 510 of the flexible non-heat-absorbing medium 400 presses the flexible heat-absorbing medium 300 along the first direction, deformation and movement of the flexible heat-absorbing medium 300 in the cavity 110 are achieved, and the flexible heat-absorbing medium 300 can wrap different electronic elements.
For example, the pushing portion 510 may include a slider disposed on the second substrate 200, the slider has a pushing surface facing the contact portion 410, and when the slider slides along a slide rail on the first substrate 100, the pushing surface of the slider may push the contact portion 410 all the time. In the process that the second substrate 200 slides relative to the first substrate 100 from the first state to the second state, the pushing portion 510 on the second substrate 200 pushes the contact portion 410 of the flexible non-heat-absorbing medium 400, the flexible non-heat-absorbing medium 400 deforms and moves, the pushing portion 510 of the flexible non-heat-absorbing medium 400 presses the flexible heat-absorbing medium 300 along the first direction, so that the flexible heat-absorbing medium 300 deforms and moves in the cavity 110, and the flexible heat-absorbing medium 300 can wrap different electronic elements.
The cavity wall of the first base 100 may be provided with a stopper at a position close to the second base 200, for example, the stoppers may be provided at two opposite sides of the cavity wall, the stoppers may prevent the flexible non-heat absorbing medium 400 from overflowing from the cavity 110, and the stoppers do not prevent the third wall 513 from pushing the contact portion 410.
Referring to fig. 1 and 2, the second driving assembly 600 includes an elastic pushing portion 610, and the elastic pushing portion 610 is disposed in the cavity 110 and connected to a sidewall of the cavity 110. The elastic pushing portion 610 is at least partially disposed opposite to the flexible heat absorbing medium 300, and the elastic pushing portion 610 can store energy and release energy. When the flexible heat absorbing medium 300 is pressed, the elastic pushing portion 610 receives the pressing action from the flexible heat absorbing medium 300 by shrinking, and at the same time, the elastic pushing portion 610 can store the pressing force of the flexible heat absorbing medium 300 in the form of potential energy. The elastic pushing portion 610 can also push the flexible heat absorbing medium 300 by releasing potential energy corresponding to the stored elastic force, so that the flexible heat absorbing medium 300 is deformed and moved. When the flexible non-heat-absorbing medium 400 is acted by the first driving assembly 500, the flexible non-heat-absorbing medium 400 is changed from an initial state to generate deformation and movement in the cavity 110, the flexible non-heat-absorbing medium 400 presses the flexible heat-absorbing medium 300 along the first direction, the flexible heat-absorbing medium 300 generates deformation and movement, the flexible heat-absorbing medium 300 presses the elastic pushing portion 610 along the second direction, and the elastic pushing portion 610 stores potential energy. When the elastic pushing portion 610 releases the stored potential energy, the elastic pushing portion 610 presses the flexible heat absorbing medium 300 in a direction opposite to the second direction, the flexible heat absorbing medium 300 deforms and moves, the flexible heat absorbing medium 300 presses the flexible non-heat absorbing medium 400 in a direction opposite to the first direction, and the flexible non-heat absorbing medium 400 deforms and moves until the initial state is restored. The initial state of the flexible non-heat absorbing medium 400 is a state in which it is not acted upon by the first drive assembly 500.
In a specific embodiment, referring to fig. 1 and 2, the first driving assembly 500 further comprises a moving member 520, and specifically, the moving member 520 is disposed in the cavity 110, and the moving member 520 can move reciprocally in the cavity 110 in a second direction and a direction opposite to the second direction. For example, the cavity 110 of the first substrate 100 has a partial cavity along the second direction, the partial cavity is close to the joint of the first substrate 100 and the second substrate 200, and the moving member 520 is slidably disposed in the partial cavity 110. The moving member 520 is located between the flexible non-heat absorbing medium 400 and the second substrate 200, and the moving member 520 has two opposite side surfaces, one of which is opposite to the contact portion 410 of the flexible non-heat absorbing medium 400, and the other of which is opposite to the pushing portion 510 of the second substrate 200 in the second state. In this way, in the process that the second base 200 moves from the first state to the second state relative to the first base 100, the pushing portion 510 directly acts on the moving member 520, so that the moving member 520 moves along the second direction, the moving member 520 presses the contact portion 410 of the flexible non-heat absorbing medium 400, so that the flexible non-heat absorbing medium 400 deforms and moves in the cavity 110, and the flexible non-heat absorbing medium 400 presses the flexible heat absorbing medium 300 along the first direction, so that the flexible heat absorbing medium 300 deforms and moves in the cavity 110. When the flexible heat absorbing medium 300 is pressed by the elastic pressing part 610, the flexible heat absorbing medium 300 is deformed and moved in the cavity 110, and presses the flexible non-heat absorbing medium 400 in a direction opposite to the first direction, so that the flexible non-heat absorbing medium 400 is deformed and moved in the cavity 110, the flexible non-heat absorbing medium 400 presses the moving member 520 in a direction opposite to the second direction, and at this time, the second base 200 gradually releases the pressing effect on the moving member 520, so that the moving member 520 can move in the cavity 110 in a direction opposite to the second direction. In some examples, the moving member 520 may be a plate or a block, such as a moving plate or a moving block, and the inner wall of the cavity 110 is provided with a slideway, and the moving plate or the moving block is slidably connected in the slideway to realize the reciprocating movement in the second direction and the direction opposite to the second direction, but the specific shape thereof is not limited. The limiting block may be disposed on an inner wall of the cavity 110, and is used to limit the moving member 520, so that the moving member 520 does not slip out of the cavity 110.
In one specific embodiment, the elastic pushing portion 610 includes an elastic member 611 and a pushing member 612, one end of the elastic member 611 is connected to the pushing member 612, the other end is connected to the inner wall of the cavity 110, and the pushing member 612 is at least partially disposed opposite to the flexible heat absorbing medium 300. Specifically, the elastic member 611 may be a spring. Of course, the spring is not limited to any other member having the characteristics of storing energy and releasing energy. In addition, the pushing member 612 may be a plate or a block, but the shape thereof is not limited. Thus, when the flexible heat absorbing medium 300 deforms and moves in the cavity 110 after being pressed, the flexible heat absorbing medium 300 presses the pushing element 612 along the second direction, so that the pushing element 612 moves along the second direction, and the elastic element 611 is compressed and stores energy for subsequent release. The elastic member 611 can push the pushing member 612 to move in a direction opposite to the second direction by the stored elastic force, and the pushing member 612 presses the flexible heat absorbing medium 300 to deform and move in the cavity 110.
Referring to fig. 5, in another specific embodiment, the elastic pushing portion 610 includes an elastic member 611 and a flexible member 613, the flexible member 613 has a certain space therein, and the elastic member 611 is wrapped inside the flexible member 613. The flexible member 613 has one side connected to the sidewall of the cavity 110 and the other side at least partially disposed opposite to the flexible heat absorbing medium 300. Specifically, the elastic member 611 may be a spring, but is not limited to a spring, and any other member having the characteristics of storing energy and releasing energy may be used. The flexible element 613 may be a rubber shell, a plastic shell, etc., and the specific material and shape thereof are not limited. The elastic member 611 may push the flexible member 613 by its own elastic force to deform the flexible member 613 in the second direction or a direction opposite to the second direction. The flexible heat absorbing medium 300 is deformed and moved in the cavity 110 after being pressed, and presses the flexible member 613 in the second direction, so that the flexible member 613 contracts in the second direction, as shown in a in fig. 5, at which time the elastic member 611 contracts and stores energy for subsequent release. The flexible member 613 releases the stored energy and expands in a direction opposite to the second direction, as shown by b in fig. 5, and the flexible member 613 presses the flexible heat absorbing medium 300, so that the flexible heat absorbing medium 300 deforms and moves in the cavity 110.
Referring to fig. 3 and 4, another form of wearable electronic device is disclosed in the embodiment of the present invention, wherein the first driving assembly 500 includes an elastic abutting portion 530, the elastic abutting portion 530 is disposed in the cavity 110 of the first substrate 100, one side of the elastic abutting portion 530 is connected to a sidewall of the cavity 110, and the other side of the elastic abutting portion 530 is disposed opposite to the flexible non-heat absorbing medium 400. The elastic abutment 530 is capable of storing energy and releasing energy. The elastic abutting part 530 releases the stored energy, when the flexible non-heat-absorbing medium 400 is pressed, the elastic abutting part 530 presses the flexible non-heat-absorbing medium 400 along the first direction by releasing the energy corresponding to the stored elastic force, so as to realize the deformation and movement of the flexible non-heat-absorbing medium 400 in the cavity 110, and further presses the flexible heat-absorbing medium 300 along the first direction through the flexible non-heat-absorbing medium 400, so as to realize the deformation and movement of the flexible heat-absorbing medium 300 in the cavity 110. The flexible heat absorbing medium 300 presses the flexible non-heat absorbing medium 400 in a direction opposite to the first direction, the flexible non-heat absorbing medium 400 deforms and moves, the flexible non-heat absorbing medium 400 presses the elastic abutting portion 530 in the direction opposite to the first direction, the elastic abutting portion 530 receives the pressing action from the flexible non-heat absorbing medium 400 through contraction, and the elastic abutting portion 530 stores the pressing force of the flexible non-heat absorbing medium 400 in the form of potential energy.
Referring to fig. 3 and 4, the second driving assembly 600 includes a sensor 620, a driving member 630, and a pushing member 640. The driver 630 may be disposed within the cavity 110, or the portion of the driver 630 that is coupled to the pusher 640 may be disposed within the cavity 110. The pusher 640 is disposed in the cavity 110 at least partially opposite the flexible heat absorbing medium 300 and is reciprocally movable in the cavity 110 in and opposite to a second direction. Specifically, the pusher member 640 may be a plate or block, although the specific shape of the pusher member 640 is not limited. The pushing member 640 is connected to the driving end of the driving member 630, and the driving member 630 may be an electromagnetic telescopic rod, an electric telescopic rod, an air rod, a hydraulic rod, or the like. The elastic abutting part 530 releases energy, the flexible non-heat-absorbing medium 400 deforms and moves by pressing the flexible non-heat-absorbing medium 400 along the first direction, the flexible non-heat-absorbing medium 400 presses the flexible heat-absorbing medium 300 along the first direction, so that the flexible heat-absorbing medium 300 deforms and moves in the cavity 110, and the driving part 630 does not generate driving force for the pushing part 640, so that the pushing part 640 does not generate pressing action for the flexible heat-absorbing medium 300, and therefore the flexible heat-absorbing medium 300 can press the pushing part 640 along the second direction. The driving member 630 drives the pushing member 640 to push the flexible heat absorbing medium 300 in a direction opposite to the second direction through expansion and contraction, so that the flexible heat absorbing medium 300 deforms and moves in the cavity 110, the flexible heat absorbing medium 300 pushes the flexible non-heat absorbing medium 400 in a direction opposite to the first direction, the flexible non-heat absorbing medium 400 deforms and moves, and the flexible non-heat absorbing medium pushes the elastic abutting portion 530 in a direction opposite to the first direction, so that the elastic abutting portion 530 contracts and stores energy.
In an embodiment of the present invention, in order to detect a change in a motion state of the second substrate 200 with respect to the first substrate 100, and to apply a control signal including an actuation signal and a stop signal to the driving member 630 to actuate or stop the actuation of the driving member 630, a sensor 620 may be disposed at a connection between the first substrate 100 and the second substrate 200, and the sensor 620 is electrically connected to the driving member 630. When the second substrate 200 moves from the second state to the first state relative to the first substrate 100, the sensor 620 detects the information and sends an actuation signal to the driving member 630, the driving member 630 drives the pushing member 640 to press the flexible heat absorbing medium 300 in a direction opposite to the second direction after receiving the actuation signal, the flexible heat absorbing medium 300 presses the elastic abutting portion 530 through the flexible non-heat absorbing medium 400, and the elastic abutting portion 530 is compressed to store energy. When the second base 200 moves from the first state to the second state relative to the first base 100, the sensor 620 detects the information and sends a stop signal to the driving member 630, the driving member 630 stops applying a driving force to the pushing member 640 after receiving the stop signal, at this time, the elastic abutting portion 530 releases the stored energy, and under the elastic force of the elastic abutting portion 530, the flexible non-heat absorbing medium 400 and the flexible heat absorbing medium 300 both deform and move in the cavity 110, so that the flexible heat absorbing medium 300 presses the driving member 630 in the second direction. The motion state of the second substrate 200 with respect to the first substrate 100 may include a first state and a second state as described in the above embodiments.
In a specific embodiment, referring to fig. 3 and 4, the elastic abutment 530 includes an elastic member 531 and an abutment 532, the elastic member 531 is disposed in the cavity 110, connected to a sidewall of the cavity 110, and the elastic member 531 extends in the first direction. Specifically, the elastic member 531 may be a spring or the like. The abutting member 532 is disposed in the cavity 110 and can reciprocate in a first direction and a direction opposite to the first direction by the elastic member 531, and the abutting member 532 is disposed opposite to the flexible non-heat absorbing medium 400.
In some embodiments, the resilient abutment 530 may be a structure such as that shown in fig. 5.
When the driving member 630 receives the stop signal sent by the sensor 620, the pushing of the pushing member 640 is released, under the action of the elastic force of the elastic member 531, the abutting member 532 moves along the first direction and presses the flexible non-heat-absorbing medium 400, so that the flexible non-heat-absorbing medium 400 deforms and moves in the cavity 110, the flexible non-heat-absorbing medium 400 presses the flexible heat-absorbing medium 300 along the first direction, the flexible heat-absorbing medium 300 deforms and moves in the cavity 110, the position of the flexible heat-absorbing medium 300 in the cavity 110 is changed, and the flexible heat-absorbing medium 300 presses the pushing member 640 along the second direction. When the driving member 630 receives an action signal sent by the sensor 620, the driving member 630 drives the pushing member 640 in a direction opposite to the second direction, the pushing member 640 presses the flexible heat-absorbing medium 300 in the direction opposite to the second direction, the flexible heat-absorbing medium 300 deforms and moves, the flexible heat-absorbing medium 300 presses the flexible non-heat-absorbing medium 400 in the direction opposite to the first direction, the flexible non-heat-absorbing medium 400 deforms and moves, the flexible non-heat-absorbing medium 400 presses the abutting member 532 in the direction opposite to the first direction, the abutting member 532 presses the elastic member 531, and finally the elastic member 531 contracts and stores energy.
In a specific embodiment, the sensor 620 includes a touch switch disposed at a junction of the first base 100 and the second base 200, and the push portion 210 is disposed on the second base 200. When the pushing unit 210 pushes the touch switch, the touch switch sends a stop signal to the driving unit 630, and when the pushing unit 210 stops pushing the touch switch, the touch switch sends an operation signal to the driving unit 630.
The touch switch may include a base mounted on the first substrate 100 and a touch end disposed toward the second substrate 200. The pushing portion 210 is similar in structure to the pushing portion 510 of the above embodiment. When the pushing portion 210 rotates or slides to press the touch end, the touch switch sends a control signal to the driving member 630.
When the second base 200 is a temple, the pushing portion 210 is a bending structure of the temple close to one end of the frame, and when the second base 200 moves from the first state to the second state relative to the first base 100, the pushing portion 210 presses a touch end of the touch switch, the driving member 630 receives a stop signal sent by the touch switch, because the flexible heat-absorbing medium 300 is not pressed by the pushing member 640, the flexible heat-absorbing medium 400 is pressed by the pressing force along the first direction under the elastic force of the elastic member 531, the flexible heat-absorbing medium 400 and the flexible heat-absorbing medium 300 both deform and move in the cavity 110, and the pushing member 640 is pressed by the flexible heat-absorbing medium 300 along the second direction. When the second base 200 moves from the second state to the first state with respect to the first base 100, the pushing portion 210 releases the pressing action on the touch end of the touch switch, and at this time, the driving member 630 receives the operation signal, the driving member 630 presses the flexible heat absorbing medium 300 in the direction opposite to the second direction through the pushing member 640, and the flexible heat absorbing medium 300 presses the abutting member 532 through the flexible non-heat absorbing medium 400, so that the abutting member 532 moves in the direction opposite to the first direction, and energy is stored.
In some embodiments, the sensor 620 may also be a piezoelectric sensor disposed on the first substrate 100 and facing the push part 210. When the piezoelectric sensor is pressed by the push part 210 or stops being pressed by the push part 210, a control signal may be sent to the driving member 630, respectively.
In the embodiment of the present invention, a plurality of heat generating elements 700 are disposed in the cavity 110, and the plurality of heat generating elements 700 are arranged in the cavity 110 at intervals along the first direction. Specifically, the heating element 700 may be an electrical element such as a circuit board, a chip, or the like, and the heating element 700 generates heat and emits the heat to the outside during operation, so as to adjust the heat dissipation effect by changing the contact condition between the flexible heat-absorbing medium 300 and the heating element 700. For example, when the second substrate 200 is in the first state relative to the first substrate 100, the flexible heat absorbing medium 300 is pressed by the second driving component 600 in a direction opposite to the second direction, so that the flexible heat absorbing medium 300 deforms and moves in a direction opposite to the first direction, and the tiled area in the direction opposite to the first direction is enlarged, so that the flexible heat absorbing medium 300 can wrap all the heat generating elements 700, and further, all the heat generating elements 700 are thermally conducted through the flexible heat absorbing medium 300, and the heat dissipation effect of the wearable electronic device is greatly improved. When the second substrate 200 is in the second state relative to the first substrate 100, the flexible heat absorbing medium 300 is pressed by the first driving assembly 500 along the first direction, so that the flexible heat absorbing medium 300 deforms and moves towards the first direction, and the tiled area in the first direction is reduced, so that the flexible heat absorbing medium 300 can only wrap part of the heat generating element 700, and further, the heat of the partially wrapped heat generating element 700 is conducted through the flexible heat absorbing medium 300.
Based on the above, when the wearable electronic device operates in the low power mode, only a part of the heating elements 700 emit more heat, and in this case, the heating elements 700 emitting more heat may be disposed at the end along the first direction according to practical situations, so that the flexible heat-absorbing medium 300 wraps the part of the heating elements 700 when the wearable electronic device operates in this mode, so as to achieve the targeted heat dissipation. When the wearable electronic device works in a high-power mode, all the heating elements 700 emit more heat, and at the moment, the flexible heat-absorbing medium 300 can wrap all the heating elements 700 so as to dissipate heat of all the heating elements 700.
In the embodiment of the present invention, an element to be heat-absorbed 800 is further disposed in the cavity 110, and the element to be heat-absorbed 800 is located on a side of the heat generating element 700 adjacent to the first driving assembly 500. Specifically, the element to be heat-absorbed 800 may be a battery or the like, which needs to be heated before operation to improve the operation efficiency. When the second base 200 is in the first state with respect to the first base 100, the flexible heat sink 300 is pressed from the second driving assembly 600 in a direction opposite to the second direction, so that the flexible heat absorbing medium 300 is moved in the direction opposite to the first direction while being deformed, thereby enlarging a tiling area in a direction opposite to the first direction, so that the flexible heat absorbing medium 300 can wrap the heat generating element 700 and the element 800 to be heat-absorbed at the same time, the heat generated by the heating element 700 is transferred to the element 800 to be heat absorbed through the flexible heat absorbing medium 300, thereby not only realizing the cooling of the heating element 700, but also realizing the heating of the element 800 to be heat absorbed, therefore, a heating element for heating the element 800 to be heat-absorbed is not required to be separately arranged, the volume of the whole device occupied by the heating element is reduced, the working efficiency of the element 800 to be heat-absorbed is ensured, and the energy consumption of the wearable electronic device is not increased.
In an embodiment of the present invention, the flexible heat absorbing medium 300 includes a first flexible container and water, oil or liquid metal disposed in the first flexible container, and the first flexible container is used for limiting the water, oil or liquid metal to flow freely. Because be equipped with some electrical elements in the cavity 110, can separate water, oil, liquid metal and electrical elements through first flexible container to can effectively avoid electrical elements to appear the circumstances of alliing oneself with the electricity, guarantee wearable electronic device's normal operating. Specifically, the first flexible container may be made of plastic, silica gel, or the like, and the specific material is not limited in the embodiment of the present invention.
Likewise, the flexible non-heat absorbing medium 400 includes a second flexible container for limiting the random flow of the thermal insulation aerogel or the inert gas or preventing leakage, and the thermal insulation aerogel or the inert gas disposed in the second flexible container. Through the second flexible container, the thermal insulation aerogel or the inert gas can be separated from the electric element, so that the influence of the thermal insulation aerogel or the inert gas on the electric element is effectively avoided. Specifically, the second flexible container may be made of plastic, silica gel, or the like, and the specific material is not limited in the embodiment of the present invention.
The wearable electronic device disclosed by the embodiment of the invention can be virtual reality glasses, augmented reality glasses or mixed reality glasses and the like. The first base 100 is a frame and the second base 200 is a temple. When the temple and the frame are connected in a rotating manner, the process of unfolding the temple with respect to the frame is performed when the second base 200 is moved from the first state to the second state with respect to the first base 100, and the process of folding the temple with respect to the frame is performed when the second base 200 is moved from the second state to the first state with respect to the first base 100. When the temple and the frame are connected in a sliding manner, the process of sliding the temple toward the frame is performed when the second base 200 is moved from the first state to the second state with respect to the first base 100, and the process of sliding the temple away from the frame is performed when the second base 200 is moved from the second state to the first state with respect to the first base 100.
Therefore, in the embodiment of the invention, the shape and the position of the flexible heat absorbing medium 300 in the frame can be changed in the process of folding or unfolding the glasses legs relative to the frame, so that the inner space of the frame can be fully utilized. Generally, when various glasses are charged, the glasses legs are folded relative to the glasses frame, at this time, the heating element 700 and the element to be heat-absorbed 800, such as a battery, are wrapped by the flexible heat-absorbing medium 300, and the flexible heat-absorbing medium 300 can absorb heat generated by the battery during the charging process, so as to achieve a good heat dissipation effect. When the glasses normally work, the glasses legs are unfolded relative to the glasses frame, at the moment, the heating elements 700, such as a chip, a circuit board and the like, are wrapped by the flexible heat-absorbing medium 300, and the flexible heat-absorbing medium 300 can absorb heat generated by the heating elements 700, such as the chip, the circuit board and the like, in the working process, so that a good heat dissipation effect is achieved. After the work of the glasses is finished, the glasses legs are rotated to the folding state from the unfolding state, and the flexible heat absorbing medium 300 is converted into a wrapping chip, a circuit board and a battery through the wrapping chip and the circuit board, so that heat generated by the chip and the circuit board can be transferred to the battery, the temperature of the battery is raised, and the charging efficiency of the battery is improved.
In summary, the wearable electronic device disclosed in the embodiments of the present invention not only ensures a good heat dissipation effect, but also makes full use of the internal space of the device, and can reuse heat to reduce the energy consumption of the device due to additional heating.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (12)
1. A wearable electronic device, comprising: a first base (100) and a second base (200) movably connected to the first base (100), the first base (100) being a base mounting member of a wearable electronic device for providing a mounting base;
the first base body (100) is provided with a cavity (110), and a flexible heat absorbing medium (300) used for absorbing heat generated by a heating element (700) in the wearable electronic device is arranged in the cavity (110);
the wearable electronic device further comprises a first driving component (500) arranged at the joint of the first base (100) and the second base (200) and a second driving component (600) at least partially arranged in the cavity (110);
the second substrate (200) moving relative to the first substrate (100) from a first state to a second state, the first drive assembly (500) configured to compress the flexible heat absorbing medium (300) in a first direction, the flexible heat absorbing medium (300) compressing the second drive assembly (600) in a second direction;
the second substrate (200) moves from a second state to a first state relative to the first substrate (100), the second drive assembly (600) is configured to compress the flexible heat absorbing medium (300) in a direction opposite the second direction, and the flexible heat absorbing medium (300) compresses the first drive assembly (500) in a direction opposite the first direction.
2. The wearable electronic device according to claim 1, further comprising a flexible non-heat absorbing medium (400) for pressing against the flexible heat absorbing medium (300), the flexible non-heat absorbing medium (400) being arranged within the cavity (110), the flexible non-heat absorbing medium (400) comprising contacts (410) for contacting the first driving component (500) and the flexible heat absorbing medium (300), respectively.
3. The wearable electronic device according to claim 2, wherein the first driving component (500) comprises a pushing portion (510) disposed on the second substrate (200), the pushing portion (510) causes the flexible non-heat absorbing medium (400) to press the flexible heat absorbing medium (300) in the first direction by pushing a contact portion (410) of the flexible non-heat absorbing medium (400) in contact with the first driving component (500), the second driving component (600) comprises an elastic pushing portion (610) disposed in the cavity (110) and connected to a side wall of the cavity (110), and the elastic pushing portion (610) presses the flexible heat absorbing medium (300) in a direction opposite to the second direction by releasing stored elastic force.
4. The wearable electronic device of claim 3, wherein the first drive assembly (500) further comprises a mover (520) disposed within the cavity (110) and reciprocally movable in the second direction and a direction opposite the second direction;
the displacement member (520) is located between a contact portion (410) of the flexible non-heat absorbing medium (400) that is in contact with the first drive assembly (500) and the second substrate (200).
5. The wearable electronic device according to claim 3, wherein the elastic pushing part (610) comprises an elastic member (611) and a pushing member (612) capable of moving back and forth along the second direction and a direction opposite to the second direction, one end of the elastic member (611) is connected to the pushing member (612), the other end of the elastic member is connected to the side wall of the cavity (110), and the pushing member (612) is at least partially disposed opposite to the flexible heat absorbing medium (300);
or, the elastic pushing part (610) comprises an elastic member (611) and a flexible member (613), the elastic member (611) is wrapped inside the flexible member (613), one side of the flexible member (613) is connected to the side wall of the cavity (110), and at least part of the flexible member (613) is arranged opposite to the flexible heat absorbing medium (300).
6. The wearable electronic device according to claim 2, wherein the first driving assembly (500) comprises an elastic abutting portion (530) disposed in the cavity (110) and connected to a side wall of the cavity (110), the elastic abutting portion (530) presses a contact portion (410) of the flexible non-heat absorbing medium (400) in the first direction in contact with the first driving assembly (500) by releasing the stored elastic force, the second driving assembly (600) comprises a sensor (620) detecting a change in a state of motion of the second base (200) with respect to the first base (100), a driving member (630) electrically connected to the sensor (620), and a pushing member (640) connected to the driving member (630), the pushing member (640) is disposed in the cavity (110) and is in contact with at least the flexible heat absorbing medium (300), the driving piece (630) receives the action signal sent by the sensor (620) and pushes the pushing piece (640) to press the flexible heat-absorbing medium (300) in the direction opposite to the second direction, and the driving piece (630) receives the stop signal sent by the sensor (620) and is partially pressed by the force of the pushing piece (640) in the second direction.
7. The wearable electronic device of claim 6, wherein the elastic abutment (530) comprises a spring (531) connected to a side wall of the cavity (110) and an abutment (532) connected to the spring (531) and reciprocally movable in the first direction and in a direction opposite to the first direction;
the abutment (532) is disposed opposite the flexible non-heat absorbing media (400).
8. The wearable electronic device according to claim 6, wherein the sensor (620) comprises a touch switch provided at a connection between the first base (100) and the second base (200), the second base (200) is provided with a push portion (210), the touch switch transmits the stop signal to the driving member (630) when the push portion (210) presses the touch switch, and the touch switch transmits the action signal to the driving member (630) when the push portion (210) stops pressing the touch switch.
9. The wearable electronic device according to any of claims 1-8, wherein a plurality of heat generating elements (700) are provided within the cavity (110), the plurality of heat generating elements (700) being arranged along the first direction;
the second substrate (200) is in a first state relative to the first substrate (100), the flexible heat absorbing medium (300) surrounds all of the heat generating elements (700);
the second substrate (200) is in a second state relative to the first substrate (100), and the flexible heat absorbing medium (300) wraps around a portion of the heat generating element (700).
10. The wearable electronic device according to any of claims 1-8, wherein an element (800) to absorb heat is further disposed within the cavity (110), the element (800) to absorb heat being located on a side of the heat generating element (700) adjacent to the first driving component (500);
the second substrate (200) is in a first state relative to the first substrate (100), the flexible heat absorbing medium (300) wraps the heat generating element (700) and the element (800) to be heat absorbed; the second substrate (200) is in a second state relative to the first substrate (100), and the flexible heat absorbing medium (300) encapsulates the heat generating element (700).
11. The wearable electronic device of any of claims 2-8, wherein the flexible heat sink medium (300) comprises a first flexible container and water, oil, or liquid metal disposed within the first flexible container;
the flexible non-heat absorbing medium (400) includes a second flexible container and an insulating aerogel or inert gas disposed within the second flexible container.
12. The wearable electronic device of any of claims 1-8, wherein the wearable electronic device is virtual reality glasses, augmented reality glasses, or mixed reality glasses.
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| JP2009031568A (en) * | 2007-07-27 | 2009-02-12 | Ricoh Co Ltd | Fixing device |
| TW201542079A (en) * | 2014-04-24 | 2015-11-01 | Wistron Corp | System and method for cooling an electronic element in an electronic device |
| US10433467B2 (en) * | 2017-06-21 | 2019-10-01 | Microsoft Technology Licensing, Llc | Thermal dissipation system for wearable electronic devices |
| CN207927112U (en) * | 2018-01-11 | 2018-09-28 | 海能达通信股份有限公司 | Electronic device and floating type radiator |
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