CN112947686A - Electronic device - Google Patents
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- CN112947686A CN112947686A CN202110231430.4A CN202110231430A CN112947686A CN 112947686 A CN112947686 A CN 112947686A CN 202110231430 A CN202110231430 A CN 202110231430A CN 112947686 A CN112947686 A CN 112947686A
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- housing
- shell
- electronic device
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- driving
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1624—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with sliding enclosures, e.g. sliding keyboard or display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the application provides an electronic device, which comprises a first shell, a second shell, a flexible screen assembly, at least one detection device and a driving device, wherein the second shell can move relative to the first shell to realize the folding and unfolding of the first shell and the second shell, the flexible screen assembly can move along with the relative movement of the first shell and the second shell, the at least one detection device is arranged on the first shell and the second shell, and the at least one detection device is configured to detect whether an obstacle which obstructs the folding of the first shell and the second shell exists between the first shell and the second shell in the relative movement process of the first shell and the second shell; the driving device is arranged on the first shell and is configured to stop driving the first shell and the second shell to move relatively when the detecting device detects that an obstacle exists between the first shell and the second shell. The embodiment of the application can avoid damage to the two shells in the relative movement process.
Description
Technical Field
The present application relates to the field of electronic technologies, and in particular, to an electronic device.
Background
With the development of electronic technology, electronic devices such as smart phones have become more and more intelligent. The display device can display a picture through a display screen thereof.
Among them, the flexible display screen is receiving attention due to its foldable and bendable characteristics, and the overall size of the electronic device can be reduced by folding or bending the flexible display screen. In the related art, a driving mechanism is usually adopted to drive the two carriers to move relatively, so that the flexible display screen can move along with the relative movement of the two shells, and thus a part of the flexible display screen can be unfolded outside the electronic device or retracted inside the electronic device, but the two shells are easily damaged during the relative movement.
Disclosure of Invention
The embodiment of the application provides an electronic device, which can avoid damage to two shells in the relative movement process.
In a first aspect, an embodiment of the present application provides an electronic device, including:
a first housing;
a second housing movable relative to the first housing to effect folding and unfolding of the first and second housings;
a flexible screen assembly movable following relative movement of the first and second housings;
the detection device is configured to detect whether an obstacle which obstructs the folding of the first shell and the second shell exists between the first shell and the second shell or not in the process of relative movement of the first shell and the second shell; and
a driving device disposed on the first housing, the driving device being configured to stop driving the first housing and the second housing to move relatively when the detecting device detects that the obstacle is present between the first housing and the second housing.
In a second aspect, an embodiment of the present application provides an electronic device, including:
a first housing;
a second housing movable relative to the first housing;
a flexible screen assembly movable with relative movement of the first and second housings to effect folding and unfolding of the first and second housings;
at least one detection device for detecting whether an obstacle exists in the folding process of the first shell and the second shell which move relatively; and
and the driving device is used for stopping driving the first shell and the second shell to move relatively when an obstacle exists in the process of folding the first shell and the second shell when the first shell and the second shell are detected to move relatively.
By providing at least one detection device, the detection device can be configured to detect whether an obstacle which obstructs the folding of the first shell and the second shell exists between the first shell and the second shell in the relative movement process of the first shell and the second shell. If the detection device detects the obstacle, the detection result can be fed back to the driving device, and after the driving device receives the detection result, the driving device can stop driving the first shell and the second shell to move relatively, so that the driving device can be prevented from continuously driving the two shells to move relatively under the condition that the obstacle exists, and the damage condition is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a first structural schematic diagram of an electronic device according to an embodiment of the present application.
Fig. 2 is a second schematic structural diagram of an electronic device according to an embodiment of the present application.
FIG. 3 is a schematic cross-sectional view of the electronic device shown in FIG. 2 taken along the direction P1-P1.
Fig. 4 is a third schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 5 is a fourth schematic structural diagram of an electronic device according to an embodiment of the present application.
FIG. 6 is a schematic cross-sectional view of the electronic device shown in FIG. 5 taken along the direction P2-P2.
Fig. 7 is an exploded view of the electronic device shown in fig. 4.
Fig. 8 is a schematic diagram of a first partial structure of the electronic device shown in fig. 4.
Fig. 9 is a second partial structure diagram of the electronic device shown in fig. 4.
Fig. 10 is a schematic diagram of a first partial structure of the electronic device shown in fig. 1.
Fig. 11 is a schematic structural diagram of a third part of the electronic device shown in fig. 4.
Fig. 12 is a schematic structural diagram of a driving device in the electronic device shown in fig. 10.
Fig. 13 is an exploded view of the driving device of fig. 12.
Fig. 14 is a second partial structure diagram of the electronic device shown in fig. 1.
Fig. 15 is a schematic diagram of a fourth partial structure of the electronic device shown in fig. 4.
Detailed Description
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. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 6, fig. 1 is a first schematic structural diagram of an electronic device according to an embodiment of the present disclosure, fig. 2 is a second schematic structural diagram of the electronic device according to the embodiment of the present disclosure, fig. 3 is a schematic cross-sectional structural diagram of the electronic device shown in fig. 2 along a direction P1-P1, fig. 4 is a third schematic structural diagram of the electronic device according to the embodiment of the present disclosure, fig. 5 is a fourth schematic structural diagram of the electronic device according to the embodiment of the present disclosure, and fig. 6 is a schematic cross-sectional structural diagram of the electronic device shown in fig. 5 along a direction P2-P2. The electronic device 20 may include a first housing 100, a second housing 200, and a flexible screen assembly 300. The first and second housings 100 and 200 are relatively movable in directions toward and away from each other, so that switching between the expanded state and the collapsed state can be achieved. In this regard, the closed state can refer to fig. 1 to 3, that is, the state in which the first casing 100 and the second casing 200 are relatively moved in the direction of approaching each other and finally formed. In this regard, the unfolded state may refer to fig. 4 to 6, that is, a state in which the first casing 100 and the second casing 200 are relatively moved in a direction away from each other.
It is understood that the first housing 100 and the second housing 200 may perform relative movement to achieve lateral stretching of the electronic device 20. Wherein, the lateral drawing refers to a manner of drawing in a direction parallel to the display direction of the flexible screen assembly 300. So, can freely adjust the size of the screen display region of electronic equipment 20, can expand electronic equipment 20's display part and improve user's operation experience when needs use the large screen, simultaneously, when need not use the large screen, can not expand display part to make the complete machine size less, conveniently carry.
It should be noted that the unfolded state of the first casing 100 and the second casing 200 may be various, such as that the maximum moving distance of the first casing 100 and the second casing 200 in the direction away from each other is H, and the first casing 100 and the second casing 200 may move away from each other in the folded state to achieve the unfolded state with different distances formed by equal distances of one quarter H, one half H, and three quarters H. The state of the distance gradually becoming farther may be defined as a first developed state, a second developed state, a third developed state, and the like in this order.
It should be noted that when the first casing 100 and the second casing 200 are in the first unfolded state, such as the distance of the relative moving away of the first casing 100 and the second casing 200 in the first unfolded state is a quarter H, the first casing 100 and the second casing 200 can still perform the relative moving away to reach the second unfolded state, such as the distance of the relative moving away of the first casing 100 and the second casing 200 in the second unfolded state is a half H.
It is to be understood that the one or more unfolded states of the first and second housings 100 and 200 according to the embodiment of the present application are only examples, and do not limit the unfolded states of the first and second housings 100 and 200 according to the embodiment of the present application.
One end of the flexible screen assembly 300 is connected to the first casing 100, the other end of the flexible screen assembly 300 is wound around the end of the second casing 200 far away from the first casing 100, and the flexible screen assembly 300 is configured to move along with the relative movement of the first casing 100 and the second casing 200, so that a part of the flexible screen assembly 300 extends out of the electronic device 20 or retracts into the electronic device 20.
It is understood that the electronic device 20 may include opposing first and second sides, wherein the first side may be a front side of the electronic device 20 and the second side may be a back side of the electronic device 20. The first housing 100 and the second housing 200 can drive the flexible screen assembly 300 to move together or drive the flexible screen assembly 300 to move during the relative movement, so that the length of the flexible screen assembly 300 can be adjusted, and the size of the display area of the electronic device can be changed. When the first casing 100 and the second casing 200 are in the folded state, a part of the flexible screen assembly 300 is directly exposed outside the electronic device 20, and a part of the flexible screen assembly 300 is received inside the electronic device 20; or a portion of the flexible screen assembly 300, is located on a first side of the electronic device 20 and a portion of the flexible screen assembly 300 is located on a second side of the electronic device 20, i.e., the flexible screen assembly 300 is located on both the front and back sides of the electronic device 20 in the collapsed state. When the first casing 100 and the second casing 200 are relatively moved from the folded state to be unfolded, the portion of the flexible screen assembly 200 originally housed inside the electronic device 20 may gradually move to the outside of the electronic device 20, and finally, the portion of the flexible screen assembly 300 originally housed inside the electronic device 20 is exposed outside the electronic device 20, and may display a picture together with the portion of the flexible screen assembly 300 originally exposed outside the electronic device 20.
Referring to fig. 7 to 9, fig. 7 is an exploded view of the electronic device shown in fig. 4, fig. 8 is a first partial view of the electronic device shown in fig. 4, and fig. 9 is a second partial view of the electronic device shown in fig. 4. The first casing 100 and the second casing 200 are used to form an outer contour of the electronic device 20, the first casing 100 may be a regular shape, such as a rectangular parallelepiped structure or a rounded rectangular structure, and the first casing 100 may also be an irregular shape. The first housing 100 may be formed from plastic, glass, ceramic, fiber composite, metal (e.g., stainless steel, aluminum, etc.), other suitable materials, or a combination of any two or more of these materials. The first housing 100 may be integrally formed such that the first housing 100 may be machined or molded as a single structure, or may be formed using a combination of structures (e.g., an inner frame structure forming one or more structures of an outer shell surface, etc.).
The first casing 100 may include a middle frame 110 and a first side frame 120, the middle frame 110 may serve as a carrier for other components of the electronic device 20, for example, the middle frame 110 may carry a driving device 500 of the electronic device 20, and the driving device 500 may be disposed at a position substantially in the middle of the substrate. The first bezel 120 surrounds the edge of the middle frame 110, and can cover the edge of the middle frame 110 to maintain the aesthetic appearance of the electronic device 20. The driving device 500 may drive the first casing 100 and the second casing 200 to move relatively to realize the engagement and disengagement of the first casing 100 and the second casing 200.
For example, the first casing 100 may be fixed, and the driving device 500 may drive the second casing 200 to move in a direction away from the first casing 100, so that a portion of the second casing 200 protrudes from the inside of the electronic device 20 to achieve separation between the first casing 100 and the second casing 200. The driving device 500 may also drive the second casing 200 to move towards the direction close to the first casing 100 together, so that a part of the second casing 200 enters the inside of the electronic device 20 and is received in the inside of the electronic device 20 to realize the fitting between the first casing 100 and the second casing 200. It is understood that the first housing 100 and the second housing 200 may reciprocate in a direction parallel to the first housing 100 or the second housing 200, thereby achieving separation and engagement between the first housing 100 and the second housing 200.
In the above embodiment, alternatively, the second housing 200 may be fixed, and the driving device 500 jointly drives the first housing 100 to reciprocate along the direction parallel to the second housing 200. Or the driving device 500 may also drive the first casing 100 and the second casing 200 to move simultaneously to achieve the engagement and disengagement of the first casing 100 and the second casing 200.
For example, the first frame 120 may include a first side 122, a second side 124 and a third side 126, the first side 122, the second side 124 and the third side 126 are sequentially connected, the first side 122 is disposed opposite to the second side 124 in a direction substantially perpendicular to the relative movement direction of the first casing 100 and the second casing 200, and the third side 126 is connected between ends of the same side of the first side 122 and the second side 124. It is understood that the first side 122 is located at the top of the electronic device 20, the second side 124 is located at the bottom of the electronic device 20, and the third side 126 is located at a side member of a side of the electronic device 20.
The second housing 200 may include a bracket 210 and a second frame 220, the bracket 210 may be slidably connected to the middle frame 110 of the first housing, and the bracket 210 is connected to a driving device 500, and the driving device 500 may drive the bracket 210 to reciprocate in a direction substantially parallel to the first housing 100 to realize the relative movement of the first housing 100 and the second housing 200.
The second bezel 220 may include a plurality of side members, for example, the second bezel 220 may include a first side member 222, a second side member 224 and a third side member 226, the first side member 222, the second side member 224 and the third side member 226 are sequentially connected, the first side member 222 is disposed opposite to the second side member 224 in a direction substantially perpendicular to a relative movement direction of the first casing 100 and the second casing 200, the first side member 222 is disposed opposite to the first side edge 122 in the relative movement direction of the first casing 100 and the second casing 200, and the second side member 224 is disposed opposite to the second side edge 124 in the relative movement direction of the first casing 100 and the second casing 200. The third side member 226 is connected between ends of the same sides of the first and second side members 222 and 224 and is disposed opposite the third side edge 126 in the direction of relative movement of the first and second housings 100 and 200.
It is understood that the first side member 222 is located at the top of the electronic device 20, and may form a top frame of the electronic device 20 together with the first side edge 110; the second side member 224 is positioned at the bottom of the electronic device 20 and may form a bottom bezel of the electronic device 20 together with the second side 124, and the third side member 226 is positioned at a side member at the other side of the electronic device 20.
When the first casing 100 and the second casing 200 are folded by relatively moving toward the direction of approaching each other, the end of the first side edge 122 close to the first side edge 222 abuts against the end of the first side edge 222 close to the first side edge 122, and the end of the second side edge 124 close to the second side edge 224 abuts against the end of the second side edge 224 close to the second side edge 124, as shown in fig. 1; when the first casing 100 and the second casing 200 are expanded by relatively moving from the collapsed state in a direction away from each other, an end portion of the first side edge 122 close to the first side edge 222 and an end portion of the first side edge 222 close to the first side edge 122 change from relative abutment to gradual separation, and an end portion of the second side edge 124 close to the second side edge 224 and an end portion of the second side edge 224 close to the second side edge 124 change from relative abutment to gradual separation, as shown in fig. 4.
In practical applications, when an obstacle (such as a finger of a user, another soft object, or a rigid object) exists between the first side 122 and the first side member 222, and/or an obstacle (such as a finger of a user, another soft object, or a rigid object) exists between the second side 224 and the second side member 224 during the relative movement of the first casing 100 and the second casing 200, if the two casings are forcibly moved, damage to the first casing 100, the second casing 200, and/or the driving device 500 may occur.
From the practical application point of view, by providing at least one detection device 400, the detection device 400 may be configured to detect whether an obstacle that obstructs the folding of the first casing 100 and the second casing 200 exists between the first casing 100 and the second casing 200 during the relative movement of the first casing 100 and the second casing 200. If the detection device 400 detects an obstacle, the detection result can be fed back to the driving device 500, and after receiving the detection result, the driving device 500 can stop driving the first casing 100 and the second casing 200 to move relatively, so that the driving device 500 can be prevented from continuously driving the two casings to move relatively under the condition that the obstacle exists, and the damage can be avoided.
The detection apparatus 400 may also feed back the detection result to other devices of the electronic device, such as a processor, and the processor may issue a prompt after receiving the detection result, such as an audible alarm, a pop-up window, a vibration alarm, and the like, to prompt the user that an obstacle exists. The user may remove the obstruction upon receiving the alert. The detection device 400 can perform real-time detection, and when it is detected that the obstacle is removed, the driving device 500 can be prompted to continue driving the two shells to move relatively.
With continued reference to fig. 7 to 9, the at least one detecting device 400 may include a first detecting device 420 and a second detecting device 440, the first detecting device 420 is disposed on the first side 122, and the first detecting device 420 is configured to detect whether there is an obstacle between an end of the first side 122 and an end of the first side 222 during the relative movement of the first casing 100 and the second casing 200. For example, the first side 122 may have an inner surface that is not visible from the outside of the electronic device 20 and an outer surface that is visible from the outside of the electronic device 20, and the first detecting device 420 is disposed on the inner surface of the first side 122. The second detecting means 440 is disposed on the second side 122, and the first detecting means 420 is used for detecting whether there is an obstacle between an end of the second side 124 and an end of the second side member 224 during the relative movement of the first casing 100 and the second casing 200, for example, the second side 124 may have an inner surface and an outer surface, the inner surface is a surface invisible from the outside of the electronic device 20, the outer surface is a surface visible from the outside of the electronic device 20, and the first detecting means 420 is disposed on the inner surface of the second side 124.
The first detecting device 420 may include a plurality of components, one or more components of the first detecting device 420 may be disposed on the first frame 120, and one or more components of the first detecting device 420 may be disposed on the second frame 140. For example, the first detecting device 420 may include a first detecting member and a second detecting member, the first detecting member may be a detector 422, the second detecting member may be a reflector 424, the detector 422 and the reflector 424 are oppositely disposed in the relative movement direction of the first casing 100 and the second casing 200, the detector 422 may be disposed on the first side 122, the reflector 424 may be disposed on the first side 222, the detector 422 may emit a detection signal (an optical signal such as an infrared light signal, a red light signal, a green light signal, or a blue light signal, or an ultrasonic signal, or other signals), the reflector 424 may receive and reflect the detection signal emitted by the detector 422 to form a reflection signal, and the detector 422 may receive the reflection signal.
When there is no obstacle between the end of the first side edge 122 and the end of the first side member 221, the detector 422 may normally receive the reflected signal reflected by the reflector 424; when there is an obstruction between the end of the first side edge 122 and the end of the first side member 221, the reflected signal is not received by the detector 422 because the obstruction blocks the transmission of the reflected signal. Based on this, the detector may determine that an obstacle is present and instruct the driving device 500 to stop driving when the reflected signal is not received.
In order to allow the detector 422 to distinguish between the effective reflected signal and the reflected radiation signal in the background environment, thereby providing a large detection range with good effect, the detector 422 can avoid misjudging the reflected signal reflected by the non-reflector 424 as the signal reflected by the reflector 424. The detection apparatus of the embodiment of the present application may further include a frequency detector (not shown in the figure), the detector 422 is configured to emit an optical signal in a preset frequency range, the reflector may reflect the optical signal to form a reflected optical signal, the frequency detector may detect a frequency of the reflected optical signal received by the detector 422, and when the frequency of the reflected optical signal detected by the frequency detector falls within the preset frequency range, it may be determined that the reflected optical signal received by the detector 422 is the reflected optical signal formed by reflection of the reflector 424, and is not a reflected radiation signal in the background environment or a reflected signal of another object. The detector 422 may determine that no obstruction is present after determining that the received reflected light signal is a reflected signal formed by reflection by the reflector 424.
The detector 422 may have a frequency modulation circuit (not shown), which may modulate the original detection signal emitted by the detector 422, so that the original detection signal is modulated into a modulated optical signal with a predetermined frequency range. The frequency modulation circuit can also suppress the noise inherent in each link of the first detection device 420 and the interference of external electromagnetic field, so that the first detection device 420 has higher detection capability.
The first detection device 420 of the embodiment of the present application may also be configured to start detection when the relative distance between the first casing 100 and the second casing 200 is less than or equal to a preset value, so as to prevent a hand or other object from being clamped by the two casings. It can be understood that the first detecting device 420 starts the detecting operation when the two housings are folded to a smaller distance, so as to avoid the situation that the first detecting device 420 is in the detecting state all the time and consumes a lot of power.
In other embodiments, a preset time may be set, and when the detector 422 does not receive the reflection signal reflected by the reflector 424 beyond the preset time, the driving device 500 is instructed to stop driving.
In the embodiment of the present application, the first detecting device 400 may be a photoelectric switch, and specifically, the first detecting device 400 may be a diffuse reflection photoelectric switch, which is a short for diffuse reflection photoelectric proximity switch, and detects whether there is an obstacle by using diffuse reflection of a detected object to a light beam and gating a circuit by a synchronous loop.
In other embodiments, the first detecting device 420 may further include a pressure sensor (not shown), and the pressure sensor may be disposed on a portion of the edge corresponding to the first frame 120. For example, the middle frame 110 may have a first edge 112 and a second edge 114, the first edge 112 and the second edge 114 are oppositely disposed in the relative movement direction of the first casing 100 and the second casing 200, the first edge 112 is disposed adjacent to the first side edge 122, and the second edge 114 is disposed adjacent to the second side edge 114. A piezoelectric sensor may be disposed on the first edge 112 and a pressure sensor may detect a pressure value acting on the first edge 112. The driving device 500 may stop driving the first housing 100 and the second housing 120 to move relatively when the detector 420 does not detect the reflection signal and/or the pressure value detected by the pressure sensor is greater than the threshold value. It is understood that the pressure sensor may be used in combination with the detector 420 to improve the detection accuracy of the first detection device 400.
With continued reference to fig. 7-9, the second detection device 440 may include multiple components, one or more components of the first detection device 420 may be disposed on the first frame 120, and one or more components of the second detection device 440 may be disposed on the second frame 140. The second detecting device 440 has the same structure as the first detecting device 420, and may also include a detector 442 and a reflector 444, wherein the detector 442 may be disposed on the second side edge 124, and the reflector 444 may be disposed on the second side edge. The detailed descriptions of the detector 442 and the reflector 444 can be found in the description of the detector 422 and the reflector 424 in the above embodiments, and are not repeated herein.
The second detecting means 440 may further comprise a pressure sensor (not shown in the figure), which may be arranged at the second edge 114, which may detect the force acting on the second edge 114, which may cooperate with the detector 442 and the reflector 444 for obstacle detection to improve the detection accuracy of the second detecting means 440.
The arrangement of the detection devices is not limited to this, and all of the detection devices 420 may be arranged on the first frame 120 or the second frame 140. For example, a part of the first bezel 120 or the second bezel 140 may be directly used as a reflection member, or a part of the first bezel 120 or the second bezel 140 may be specially processed to have a function of reflecting a predetermined detection signal. The detecting device 420 may emit a predetermined detecting signal, and when the predetermined detecting signal is transmitted to the first frame 120 or the second frame 140, the first frame 120 or the second frame 140 may reflect the predetermined detecting signal to the detecting device 420.
Referring to fig. 10 to 13, fig. 10 is a schematic diagram of a first partial structure of the electronic device shown in fig. 1, fig. 11 is a schematic diagram of a third partial structure of the electronic device shown in fig. 4, fig. 12 is a schematic diagram of a driving device in the electronic device shown in fig. 10, and fig. 13 is a schematic diagram of an exploded structure of the driving device shown in fig. 12. The driving device 500 may include a driving assembly 520 and a transmission assembly 540, wherein the driving assembly 520 is used for driving the transmission assembly 540 to move the second housing 200.
The driving assembly 520 may include a driving motor 522 and a speed reducer 524, wherein an output shaft of the driving motor 522 is in transmission connection with the speed reducer 524, for example, the driving motor 522 may be coaxially connected with the speed reducer 524, and the speed reducer 524 may reduce the speed of the driving motor 522 to increase the torque. The reduction member 524 may be a reduction gear box, or a reduction gear (such as a planetary gear set arrangement or a multi-stage reduction gear set arrangement). For example, the speed reducer 524 of the embodiment of the present application may be a planetary gear set, which may include a sun gear 5242, a plurality of planet gears 5244, an inner ring gear 5246 and a planet carrier 5248, the sun gear 5242 serving as a driving member may be connected to a driving shaft of the driving motor 522, and the driving motor 522 may drive the sun gear 5242 to rotate via the driving shaft. A plurality of planet gears 5244 surround the periphery of the sun gear 5242 and are engaged with the sun gear 5242, respectively, an inner ring gear 5246 is fitted around the outer periphery of the plurality of planet gears 5244 and is engaged with the plurality of planet gears 5244, and the plurality of planet gears 5244 are mounted on a carrier 5248. The plurality of planet gears 5244, the inner ring gear 5246 and the carrier 5248 act as followers, which via meshing gear teeth, can rotate the plurality of planet gears 5244 together around the sun gear 5242 and the plurality of planet gears 5244 can rotate the inner ring gear 5246 and the carrier 5248 together.
The planetary gear set and the driving motor 522 can be connected through a first bearing 5262, the speed reducer 524 can be connected with a driving shaft of the sun gear 5242 through a second bearing 5264, and the first gear 5268 is sleeved on the driving shaft of the sun gear 5242. The planetary gear set, when rotated, may drive the rotation of the first gear 5268. The first gear 5268 is engaged with the second gear 570, such that rotation of the first gear 5268 causes the second gear 570 to rotate, and rotation of the second gear 570 drives the transmission assembly 540 to move together. The first gear 5268 and the second gear 570 can be bevel gears, which mesh with each other to achieve commutation while amplifying torque at a reduced speed.
In the present embodiment, the transmission assembly 540 can include a base 542, a transmission rod 544, a mover 546, and a pusher 548. The base 542 is disposed in the accommodating space of the first housing 100, the transmission rod 544 is rotatably connected to the base 542, the moving member 546 is sleeved on the transmission rod 544 and is in transmission connection with the transmission rod 544, and the driving assembly 520 can drive the transmission rod 544 to rotate so as to drive the moving member 546 to move on the transmission rod 544.
Illustratively, the base 542 may include a base body 5421 and a base cover 5422, and the base cover 5422 covers the base body 5421 to enclose a part of the device mounted on the base body 5421 in the base body 5421, or to shield a part of the device mounted on the base body 5421. The base body 5421 may be provided with a first mounting groove 5424, the transmission rod 544 may be mounted in the first mounting groove 5424, and one end of the transmission rod 544 may be in transmission connection with the second gear 570 through the third bearing 5442, so that when the second gear 570 rotates, the transmission rod 544 may be driven to rotate in the first mounting groove 5424. The other end of the drive link 544 may be coupled to the base body 5421 via a fourth bearing 5444.
As shown in fig. 10 and 11, drive assembly 520 of the embodiments of the present application is disposed generally perpendicular to the direction of movement of flexible screen assembly 300 and drive assembly 540 is disposed generally parallel to the direction of movement of flexible screen assembly 300. It will be appreciated that the drive assembly 520 and the transmission assembly 540 are generally "L" shaped.
When the flexible screen assembly 300 moves following the relative movement of the first and second housings 100 and 200 such that a portion of the flexible screen assembly 300 is received inside the electronic device 20, a portion of the flexible screen assembly 300 covers the transmission assembly 540, and the driving assembly 520 is exposed outside a portion of the flexible screen assembly 300. Generally speaking, the thickness of the driving component 520 is thicker, and the driving component 520 is disposed close to the side of the first casing 100 along the direction substantially perpendicular to the moving direction of the flexible screen component 300 (or along the length direction of the first casing 100) in the embodiment of the present application, when a portion of the flexible screen component 300 is received inside the electronic device 20, a portion of the flexible screen component 300 avoids the driving component 520 with the thicker thickness, and compared with directly covering the driving component 520, the internal stacking thickness of the electronic device 20 can be reduced.
Referring to fig. 10, 11, 14 and 15, fig. 14 is a second partial structural view of the electronic device shown in fig. 1, fig. 15 is a fourth partial structural view of the electronic device shown in fig. 4, the second housing 200 may further include a support 210, the support 210 may be connected to the pushing member 548, and the support 210 is slidably connected to the first housing 100, and the pushing member 548 moves to drive the support 210 to move together. When the bracket 210 moves away from the first housing 100, the bracket 210 and the first housing 100 may form a supporting surface to support the flexible screen assembly 300 when a portion of the flexible screen assembly 300 extends outside the electronic device 20. Illustratively, the support frame 210 may include a main frame 212 and a plurality of support bars 214, the plurality of support bars 214 are sequentially arranged, and each support bar 214 is independently disposed on the main frame 212, compared to the support bars 214 integrally formed as a unitary structure, the support bars 214 of the embodiment of the present application are independent of each other, so that the support bars 214 may be more flexible when being mounted on the main frame 212. It will be appreciated that each support bar 214 may be mounted with its respective position adjusted according to the position at which the main frame 212 is to be mounted. The first housing 100 may be provided with a plurality of sliding grooves 130, one support bar 214 is received in one sliding groove 130, and one support bar 214 may slide in the received sliding groove 130. The main frame 212 may be provided with fixing posts 2122, and the pushing member 548 may be provided with second connecting holes 5484, the second connecting holes 5484 are sleeved on the fixing posts 2222 to achieve the fixed connection of the pushing member 548 and the main frame 212.
The stent 210 may include a first side 216 and a first side 218 disposed opposite to each other, the first side 216 may be provided with a first guide 242, and the first guide 242 may be a circular ring structure or a three-dimensional structure having an arc-shaped surface. First side 218 may be provided with a second guide 244, and the structure of second guide 244 may be the same as that of first guide 242, for example, second guide 244 may also be a circular ring structure, or a three-dimensional structure with a circular arc surface. Of course, in other embodiments, the second guiding element 244 may have a different structure from the first guiding element 242, for example, when the first guiding element 242 has an annular structure, the second guiding element 244 may have a three-dimensional structure with an arc surface.
In this embodiment, the driving device 500 may further include a first pulling member 582 and a second pulling member 584, and the first pulling member 582 and the second pulling member 584 may pull the flexible screen assembly 300 together, so as to ensure that the flexible screen assembly 300 maintains a certain tension during the movement, and avoid a wrinkle caused by insufficient tension of the flexible screen assembly 300. Wherein, one end of the first pulling member 582 and one end of the second pulling member 584 are respectively and fixedly connected to the first casing 100, for example, the first casing 100 may be respectively provided with two fixing structures, one end of the first pulling member 582 is fixedly connected to one of the fixing structures, and one end of the second pulling member 584 is fixedly connected to the other fixing structure. The first pulling member 582 is wound around the first guide member 242, and the first pulling member 582 is slidable with respect to the first guide member 242; the second pulling member 584 is wound around the second guide member 244, and the second pulling member 584 is slidable with respect to the second guide member 244. The other end of the first pulling member 582 and the other end of the second pulling member 584 are respectively connected to the flexible screen assembly 300, for example, the other end of the first pulling member 582 may be connected to a portion of the flexible screen assembly 300 near the top of the electronic device 20, and the other end of the second pulling member 584 may be connected to a portion of the flexible screen assembly 300 near the bottom of the electronic device 20.
The pushing rod 548 of the driving device 500 may push the bracket 210 to move in a direction away from the first casing 100, so that the first guide 242 and the second guide 244 also move in a direction away from each other relative to the first casing 100, thereby driving the first pulling member 582 to slide around the first guide 242 in a first direction (such as a counterclockwise direction) and the second pulling member 584 to slide around the second guide 244 in the first direction (such as a counterclockwise direction), and the flexible screen assembly 300, under the pushing of the bracket 210 and the releasing of the pulling of the two pulling members, achieves that a part of the flexible screen assembly 300 slides and extends from the inside of the electronic device 20 to the front of the electronic device 20, as shown in fig. 4 and 15. The pushing rod 548 of the driving device 500 may push the bracket 210 to move toward the first casing 100, so that the first guiding element 242 and the second guiding element 244 also move away from each other relative to the first casing 100, thereby driving the first pulling element 582 to slide around the first guiding element 242 in the second direction (such as clockwise direction) and the second pulling element 584 to slide around the second guiding element 244 in the second direction (such as clockwise direction), and the flexible screen assembly 300 is retracted by the bracket 210 and pulled back by the two pulling elements, so that a portion of the flexible screen assembly 300 is drawn into the electronic device 20 from the front of the electronic device 20, as shown in fig. 1 and 14.
It is understood that the movement of the bracket 210 in the direction approaching the first casing 100 may bring the first pulling member 582 and the second pulling member 584 together to pull the flexible screen assembly 300 to move toward the inside of the electronic device 20. The first pulling member 582 and the second pulling member 584 may jointly achieve pulling of one end of the flexible screen assembly 300, so as to keep the flexible screen assembly 300 being pulled by an acting force all the time during the contraction process, and not to be prone to deformation such as loosening or wrinkling.
The first side 216 and the first side 218 may be respectively provided with a fixing column, the first guide 242 may be rotatably sleeved on the fixing column of the first side 216, and the second guide 244 may be rotatably sleeved on the fixing column of the first side 218, so that the first traction element 582 may drive the first guide 242 to rotate around the fixing column on the first side 216 when sliding around the first guide 242, and the second traction element 584 may drive the second guide 244 to rotate around the fixing column on the first side 218 when sliding around the second guide 244.
And, two guiding pieces can also be provided with spacing groove respectively, and this spacing groove can restrict the motion trail of the guiding piece of embedding wherein, improves its stability in the slip process.
The first and second pulling members 582, 584 may be steel cables, one end of each of which is welded to the first casing 100, and the other end of each of which is welded to the end of the flexible screen assembly 300. The steel wire rope may have a cylindrical structure, and the steel wire rope having the cylindrical structure may reduce a contact area between the steel wire rope and the first and second housings 100 and 200, and further reduce friction force during relative movement between the steel wire rope and the first and second housings 100 and 200, and may prolong the service life of the first and second towing members 582 and 584. Of course, in other embodiments, the first 582 and second 584 traction members may be a ribbon-like structure.
It can be understood that when the first casing 100 and the second casing 200 move in the direction of approaching each other, the first pulling member 582 and the second pulling member 584 will pull the flexible screen assembly 300 together and move in the direction of approaching the first casing 100 and the second casing 200, so that a portion of the flexible screen assembly 300 can be recycled to the inside of the electronic device 20, thereby reducing the overall size of the electronic device 20. And the first pulling member 582 and the second pulling member 584 cooperatively pull the other end of the flexible screen assembly 300, thereby preventing the flexible screen assembly 300 from rubbing against the housing of the electronic device 20 during movement and being easily damaged. In addition, the present embodiment connects the first pulling member 582 with the first guide 242 disposed at one side of the first housing 100, and the second pulling member 584 with the second guide 244 disposed at the other side of the first housing 100.
A first receiving space may be defined between the driving device 500 and the first side 216, a second receiving space may be defined between the driving device 500 and the second side 218, and the first receiving space and the second receiving space may receive other components of the electronic device 20, for example, the first receiving space may receive the circuit board 600, and the second receiving space may receive the battery 700. It is understood that the circuit board 600 of the electronic device 20 is disposed between the first traction member 582 and the driving device 500, and the battery 700 is disposed between the second traction member 584 and the driving device 500.
With continued reference to fig. 15, the flexible screen assembly 300 may include a flexible screen module 320 and a rigid plate 340. The flexible screen module 320 can be understood as a flexible display module, which can display a picture. The rigid plate 340 may be made of metal, such as the rigid plate 340 may be made of steel sheet, the rigid plate 340 is disposed at an end of the flexible screen module 320, and the other end of the first pulling member 582 and the other end of the second pulling member 584 are connected to the rigid plate 340, for example, by welding, clamping, or adhering. Compare and draw the piece directly to be connected with flexible screen module 320 in two, this application embodiment can prevent that flexible screen module 320 from being pulled bad.
The first housing 100 may also be provided with a first slide assembly 140 and a second slide assembly 160, with a portion of the first side 216 being coupled to the first slide assembly 140 and a portion of the first side 218 being coupled to the second slide assembly 160. The first slide assembly 140 may, in turn, be a first slide, an intermediate slide assembly, and a second slide slidably coupled to a portion of the first side 216, such as by a threaded screw. The intermediate sliding assembly may include one or more sliding members, for example, the intermediate sliding assembly may include one sliding member, two sliding members, or more than two sliding members. It is understood that the first sliding component 140 may be a three-section, four-section, five-section or other multi-section sliding structure, the multi-section sliding structure operates more stably, and the sliding distance between the first casing 100 and the second casing 200 can be increased in a limited space, so as to achieve a large sliding stroke.
The structure of the second sliding element 160 may be the same as that of the first sliding element 140, please refer to the related description of the first sliding element 140, and will not be described herein again. Of course, in other embodiments, the structure of the second slide assembly 160 may be different from the structure of the first slide assembly 140.
In other embodiments, a synchronization mechanism may be added that can hold down the two glide assemblies to synchronize the glide travel of the two glide assemblies, thereby improving the guidance of the two glide assemblies, balancing the load, and reducing the torque caused by the drag offset.
The electronic device provided by the embodiment of the application is described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (17)
1. An electronic device, comprising:
a first housing;
a second housing movable relative to the first housing to effect folding and unfolding of the first and second housings;
a flexible screen assembly movable following relative movement of the first and second housings;
the detection device is configured to detect whether an obstacle which obstructs the folding of the first shell and the second shell exists between the first shell and the second shell or not in the process of relative movement of the first shell and the second shell; and
a driving device disposed on the first housing, the driving device being configured to stop driving the first housing and the second housing to move relatively when the detecting device detects that the obstacle is present between the first housing and the second housing.
2. The electronic device of claim 1, wherein the first housing has a first bezel and the second housing has a second bezel, the first bezel and the second bezel being abuttable against each other when the first housing and the second housing are collapsed;
the detection device comprises a first detection piece and a second detection piece, wherein the first detection piece is arranged on the first frame, and the second detection piece is arranged on the second frame; or one detection device is arranged on the first frame or the second frame.
3. The electronic device according to claim 2, wherein the first detecting element is a detector, the second detecting element is a reflector, the detector and the reflector are disposed opposite to each other in a relative movement direction of the first housing and the second housing, the detector is configured to emit a detection signal, the reflector is configured to reflect the detection signal emitted by the detector to form a reflection signal, the detector is configured to receive the reflection signal reflected by the reflector, the detector is disposed on the first bezel and the reflector is disposed on the second bezel, or the reflector is disposed on the first bezel and the detector is disposed on the second bezel.
4. The electronic device as claimed in claim 3, wherein the first frame has a plurality of sides, the second frame has a plurality of side members, an end of each of the sides is capable of abutting an end of each of the side members when the first and second housings are folded, at least one detector of the at least one detecting means is disposed on at least one of the plurality of sides, and at least one reflector of the at least one detecting means is disposed on at least one of the plurality of side members.
5. The electronic device according to claim 3, wherein the first frame has a first side and a second side, the first side and the second side being disposed opposite to each other in a direction of relative movement of the first housing and the second housing;
the second frame has a first side member and a second side member, the first side member and the second side member are disposed oppositely in a relative movement direction of the first housing and the second housing, the first side member is disposed oppositely to the first side in a direction substantially perpendicular to the relative movement direction of the first housing and the second housing, the second side member is disposed oppositely to the second side in a direction substantially perpendicular to the relative movement direction of the first housing and the second housing;
the at least one detection device comprises a first detection device and a second detection device, the detector of the first detection device being arranged on the first side edge, the reflector of the first detection device being arranged on the first side member, the detector of the second detection device being arranged on the second side edge, the reflector of the second detection device being arranged on the second side member.
6. The electronic device of any of claims 3-5, wherein the detection apparatus further comprises a frequency detector, the detector is configured to emit an optical signal in a predetermined frequency range, the reflector is configured to reflect the optical signal to form a reflected optical signal, and the frequency detector is configured to detect whether the optical signal received by the detector is within the predetermined frequency range.
7. The electronic device according to claim 6, wherein the detection means is configured to initiate detection when a relative distance of the first housing and the second housing is less than or equal to a preset value.
8. The electronic device of claim 1, wherein the first housing further comprises a middle frame, the first border is disposed around an edge of the middle frame, and the one of the detecting devices comprises:
the detector is arranged on the first frame and used for emitting a detection signal;
a reflector disposed on the second bezel, the reflector configured to reflect the detection signal emitted by the detector to form a reflected signal, the detector being capable of receiving the reflected signal reflected by the reflector;
the pressure sensor is arranged on the partial edge of the middle frame corresponding to the first edge and used for detecting a pressure value acting on the partial edge of the middle frame corresponding to the first edge;
wherein the driving device stops driving the first housing and the second housing to move relatively when the detector does not detect the reflection signal and/or the pressure value detected by the pressure sensor is larger than a threshold value.
9. The electronic device according to any one of claims 1 to 5 or 8, wherein the driving device includes a driving component and a transmission component, the transmission component is connected to the second housing, the driving component is configured to drive the transmission component to move, and the transmission component moves to drive the second housing to move relative to the first housing.
10. The electronic device of claim 9, wherein the transmission assembly is disposed along a direction parallel to a movement direction of the flexible screen assembly, and the flexible screen assembly moves along with the relative movement of the first housing and the second housing such that when a portion of the flexible screen assembly is received inside the electronic device, a portion of the flexible screen assembly covers the transmission assembly, and the driving assembly is exposed outside a portion of the flexible screen assembly.
11. The electronic device of claim 9, wherein the transmission assembly includes a base, a transmission rod, a moving member, and a pushing member, the base is disposed on the first housing, the transmission rod is rotatably connected to the base, the moving member is sleeved on the transmission rod and is in transmission connection with the transmission rod, one end of the pushing member is connected to the moving member, the other end of the pushing member is connected to the second housing, the driving assembly can drive the transmission rod to rotate to drive the moving member to move on the transmission rod, and the moving member can drive the pushing member to move to push the second housing to move relative to the first housing when moving.
12. The electronic device of claim 11, wherein the driving assembly comprises a driving motor and a speed reducer, an output shaft of the driving motor is in transmission connection with the speed reducer, and the speed reducer is in transmission connection with the transmission rod.
13. The electronic apparatus according to claim 9, wherein the second casing is provided with a first guide and a second guide which are arranged relatively in a direction substantially perpendicular to a direction of relative movement of the first casing and the second casing, the driving device being located between the first guide and the second guide;
the driving device further comprises a first traction piece and a second traction piece, the first traction piece and the second traction piece are arranged, the first traction piece is arranged on the first guide piece in a winding mode, one end of the first traction piece is fixedly connected with the first shell, the second traction piece is arranged on the second guide piece in a winding mode, one end of the second traction piece is fixedly connected with the first shell, one end of the flexible screen assembly is fixedly connected with the first shell, the other end of the flexible screen assembly is simultaneously connected with the other end of the first traction piece and the other end of the second traction piece, and the second shell can drive the first traction piece and the second traction piece to move together to pull the flexible screen assembly to move towards the inside of the electronic device when moving towards the direction close to the first shell.
14. The electronic device of claim 13, wherein the flexible screen assembly comprises a flexible screen module and a rigid plate, the rigid plate is disposed at an end of the other end of the flexible screen module, and the other end of the first pulling member and the other end of the second pulling member are both connected to the rigid plate.
15. The electronic device of claim 14, further comprising a circuit board disposed between the first traction member and the drive device and a battery disposed between the second traction member and the drive device.
16. An electronic device, comprising:
a first housing;
a second housing movable relative to the first housing to effect folding and unfolding of the first and second housings;
a flexible screen assembly movable following relative movement of the first and second housings;
at least one detection device for detecting whether an obstacle exists in the folding process of the first shell and the second shell which move relatively; and
and the driving device is used for stopping driving the first shell and the second shell to move relatively when an obstacle exists in the process of folding the first shell and the second shell when the first shell and the second shell are detected to move relatively.
17. The electronic device of claim 16, wherein the detecting device comprises a detector and a reflector, the detector is configured to emit a detection signal, the reflector is configured to reflect the detection signal emitted by the detector to form a reflection signal, the detector can receive the reflection signal reflected by the reflector, and the driving device stops driving the first housing and the second housing to move relatively when the detector receives the reflection signal.
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CN113452820A (en) * | 2021-06-29 | 2021-09-28 | Oppo广东移动通信有限公司 | Electronic equipment with flexible screen and flexible screen contraction control method |
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