CN115359717B - Reel structure, reel screen terminal and screen display area switching method - Google Patents
Reel structure, reel screen terminal and screen display area switching method Download PDFInfo
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- CN115359717B CN115359717B CN202210840176.2A CN202210840176A CN115359717B CN 115359717 B CN115359717 B CN 115359717B CN 202210840176 A CN202210840176 A CN 202210840176A CN 115359717 B CN115359717 B CN 115359717B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 31
- 230000033001 locomotion Effects 0.000 claims abstract description 30
- 238000010276 construction Methods 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001186 cumulative effect Effects 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/03—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays
- G09G3/035—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays for flexible display surfaces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Computer Hardware Design (AREA)
- Digital Computer Display Output (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a scroll structure, a scroll screen terminal and a screen display area switching method, wherein the scroll structure comprises a first base, a second base, a driving mechanism and a winding mechanism; the first base is connected with the second base through a driving mechanism, and the second base can perform translational movement relative to the first base; the first base is provided with a first guide groove, the second base is provided with a second guide groove, and the first guide groove and the second guide groove are respectively used for accommodating two end parts of the flexible screen; the winding mechanism comprises a first guide rail, a second guide rail, a reel sliding seat and a reel; the sliding seat is arranged on the first guide rail and the second guide rail, the scroll is arranged on the sliding seat, and the scroll is provided with a first position moving to the first guide groove and a second position moving to the second guide groove. Compared with the prior art, the invention is provided with the two guide grooves and the slidable scroll, so that the display areas on two sides of the flexible screen can be switched between the hidden state and the display state, and the consistency of the display effect is ensured.
Description
Technical Field
The invention relates to the field of intelligent terminals, in particular to a scroll structure, a scroll screen terminal and a screen display area switching method.
Background
With the development of technology, engineers and designers are exploring the form of mobile terminals, and mobile terminal products are also updating iterations. The scroll screen terminal is a new form of mobile terminal, and the screen of scroll screen terminal can shrink and extend, also can provide bigger display area when guaranteeing portability to promote user's use experience.
The existing scroll screen terminal adopts a single scroll design, the screen comprises a fixed display area and an expansion display area, the fixed display area is fixedly connected with a scroll screen terminal body, the expansion display area is connected with a scroll, and the scroll is used for enabling the expansion display area to shrink or stretch by winding the expansion display area, so that the area of the current display area of the screen is changed. Therefore, the difference of the working states of the fixed display area and the extended display area of the screen is larger, the extended display area is often bent, the fixed display area is not bent, the abrasion ageing conditions of the screen devices of the fixed display area and the extended display area are greatly different, after long-time use, the display effects of the fixed display area and the extended display area of the screen are greatly different, the consistency of the display effects is poor, even an obvious boundary line appears between the fixed display area and the extended display area when serious, and the user experience is poor.
Disclosure of Invention
Based on the above, the invention aims to provide a scroll structure, a scroll screen terminal and a screen display area switching method, so that the two ends of a flexible screen can be switched between a display state and a hidden state, the loss values at the two sides of the flexible screen are more balanced, and the consistency of display effects is ensured.
In a first aspect, the present invention provides a spool structure including a first base, a second base, a driving mechanism, and a winding mechanism; the first base is connected with the second base through the driving mechanism, and the second base can perform translational movement relative to the first base; the first base is provided with a first guide groove, the second base is provided with a second guide groove, and the first guide groove and the second guide groove are respectively used for accommodating two end parts of the flexible screen; the winding mechanism comprises a first guide rail, a second guide rail, a scroll sliding seat and a scroll; the first guide rail and the second guide rail are adjacent and are arranged in parallel, the first guide rail is fixedly connected with the first base, the second guide rail is fixedly connected with the second base, and the extending direction of the first guide rail and the extending direction of the second guide rail are consistent with the direction of translational movement of the second base relative to the first base; the sliding seat is arranged on the first guide rail and the second guide rail, the scroll is rotatably arranged on the sliding seat, the sliding seat and the scroll can move along the extending direction of the first guide rail and the second guide rail, and the sliding seat and the scroll are provided with a first position moving to the first guide groove and a second position moving to the second guide groove.
Further, racks are arranged on the first guide rail and the second guide rail, a sliding motor is arranged on the sliding seat, a gear is arranged on the shaft of the sliding motor, the gear is meshed with the racks on the first guide rail and the second guide rail, and the sliding motor is used for driving the sliding seat to perform translational movement along the extending direction of the first guide rail and the extending direction of the second guide rail.
Further, the scroll comprises a scroll motor and a scroll body, the scroll motor is arranged on the sliding seat, the scroll body is fixedly connected with a shaft of the scroll motor, and the scroll motor is used for driving the scroll body to rotate.
Further, the driving mechanism comprises a driving motor, a screw rod and a nut, wherein the driving motor is arranged on the first base, the nut is arranged on the second base, the screw rod is connected with a shaft of the driving motor, the screw rod penetrates through the nut, and the driving motor drives the second base to perform translational motion relative to the first base.
Further, a chute is arranged on the first base, a raised line is arranged on the second base, the extending direction of the chute and the raised line is consistent with the translational movement direction of the second base relative to the first base, and the raised line is sunk into the chute.
Further, the screen support mechanism comprises a first support bar connected with the first base and a second support bar connected with the second base;
the first support bars and the second support bars are multiple, the first support bars and the second support bars are arranged in a staggered mode, and the extending directions of the first support bars and the second support bars are the same as the sliding direction of the second base;
the first supporting bar, the second supporting bar, the inlet of the first guiding groove and the inlet of the second guiding groove are positioned on the same plane.
Further, the tail ends of the first supporting bar and the second supporting bar are provided with round corners or chamfers.
In a second aspect, the present invention further provides a scroll screen terminal, which includes a flexible screen and the above-mentioned scroll structure, where the flexible screen includes a first display area and a second display area, the first display area enters the interior of the first guide groove through the entrance of the first guide groove, and the second display area enters the interior of the second guide groove through the entrance of the second guide groove.
In a third aspect, the present invention further provides a screen display area switching method, which is applied to the scroll screen terminal, and is characterized in that the process of switching the scroll screen terminal from the extended state to the contracted state includes the following steps:
s30: respectively acquiring loss values of the first display area and the second display area;
s40: and comparing the loss values of the first display area and the second display area, switching the display area with low control loss value to a hidden state, and keeping the display area with high control loss value in a display state.
Further, before step S30, the method further includes:
s10: respectively acquiring one or more of screen winding loss values, screen accumulated winding time length and screen winding frequency of the first display area and the second display area;
s20: and respectively calculating the loss values of the first display area and the second display area according to one or more of the acquired screen winding loss value, the screen accumulated winding time and the screen winding frequency.
Compared with the prior art, the invention has the following beneficial effects:
1. two guide grooves and a slidable scroll are arranged, so that display areas on two sides of the flexible screen can be switched between a hidden state and a display state, loss values on two sides of the flexible screen are more balanced, and consistency of display effects on two sides of the flexible screen is ensured.
2. The sliding groove is formed in the first base, the convex strip is arranged on the second base and falls into the sliding groove, and the first base and the second base are prevented from deviating through the sliding groove and the convex strip, so that the relative movement of the first base and the second base is smoother.
3. Set up screen supporting mechanism, prevent that flexible screen's display area from taking place to warp, promoted user's use experience, increased flexible screen's life.
Drawings
FIG. 1 is a schematic view of a reel structure in an expanded state in one embodiment;
FIG. 2 is a schematic view of the reel structure in an expanded state in one embodiment;
FIG. 3 is a schematic view of the spool arrangement in one embodiment in a closed state;
FIG. 4 is a schematic view of the spool arrangement in one embodiment in a closed state;
FIG. 5 is a schematic view of a scroll screen terminal in a first extended state in one embodiment;
FIG. 6 is a schematic view of a scroll screen terminal in a second extended state in one embodiment;
FIG. 7 is a schematic view of a spool screen terminal in a first closed state in one embodiment;
fig. 8 is a schematic view of a spool screen terminal in a second closed state in one embodiment.
In the figure: 10. a first base; 11. a first guide groove; 12. a chute; 20. a second base; 21. a second guide groove; 22. a convex strip; 40. a winding mechanism; 41. a first guide rail; 42. a second guide rail; 43. a sliding seat; 44. a reel; 442. a spool body; 50. a flexible screen; 51. a first display area; 52. and a second display area. 60. A screen support mechanism; 61. a first support bar; 62. and a second support bar.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
The present invention provides a reel structure including a first base 10, a second base 20, a driving mechanism, and a winding mechanism 40.
The first base 10 and the second base 20 are connected through a driving mechanism, and the second base 20 can perform translational movement relative to the first base 10. The reel structure of the present embodiment has an expanded state as shown in fig. 1 and 2, and a closed state as shown in fig. 3 and 4, driven by the driving mechanism.
The first base 10 is provided with a first guide groove 11, the second base 20 is provided with a second guide groove 21, and the first guide groove 11 and the second guide groove 21 are oppositely arranged and are respectively used for accommodating two end parts of the flexible screen. In an alternative embodiment, the first guide groove 11 is divided into a first groove section and a second groove section, the first groove section is in a semicircular arc shape, one side of an opening of the semicircular arc is opposite to the second guide groove 21, and the upper end of the first groove section is an inlet of the first guide groove 11; the second groove section is in a straight shape, and an inlet of the second groove section is connected with and tangent to the lower end of the first groove section; an end of the flexible screen passes over the upper end of the first channel section into the first channel section and bends 180 ° in the first channel section and then into the second channel section where it stretches straight. The second guide groove 21 has the same structure as the first guide groove 11, and will not be described again.
The winding mechanism 40 includes a first guide rail 41, a second guide rail 42, a spool slide seat 43, and a spool 44; the first guide rail 41 and the second guide rail 42 are adjacent and parallel, the first guide rail 41 is fixedly connected with the first base 10, the second guide rail 42 is fixedly connected with the second base 20, and the extending direction of the first guide rail 41 and the second guide rail 42 is consistent with the translating direction of the second base 20 relative to the first base 10; the slide mount 43 is provided on the first rail 41 and the second rail 42, the spool 44 is rotatably provided on the slide mount 43, the slide mount 43 and the spool 44 are movable in the extending direction of the first rail 41 and the second rail 42, and the slide mount 43 and the spool 44 have a first position moved to the first guide groove 11 and a second position moved to the second guide groove 21. When the scroll 44 is located at the first position, the scroll 44 can abut against the flexible screen in the first guiding slot 11 and drive the flexible screen to move; similarly, when the spool 44 is located at the second position, the spool 44 may abut against the flexible screen in the second guiding slot 21 and drive the flexible screen to move.
In an alternative embodiment, the first guide rail 41 is fixedly connected with the first base 10 through the inner side groove wall of the first guide groove 11, and the second guide rail 42 is fixedly connected with the second base 20 through the inner side groove wall of the second guide groove 21, so that the space occupied by the first guide rail 41 and the second guide rail 42 is reduced, and the movable space of the sliding seat 43 is made larger; the first guide rail 41 and the second guide rail 42 are all provided with a plurality of, the first guide rail 41 and the second guide rail 42 are arranged in a staggered mode, corresponding guide rail holes are formed in the sliding seat 43, and the first guide rail 41 and the second guide rail 42 penetrate through the guide rail holes so as to improve stability in the translation process of the sliding seat 43.
In a preferred embodiment, racks are provided on the first rail 41 and the second rail 42, a slide motor is provided on the slide seat 43, a gear is provided on an output shaft of the slide motor, the gear is engaged with the racks on the first rail 41 and the second rail 42, and the slide motor is used for driving the slide seat 43 to perform translational movement along the extending direction of the first rail 41 and the second rail 42. In other embodiments, the sliding seat 43 may be driven by a screw to make the sliding seat 43 perform translational movement.
In a preferred embodiment, the spool 44 includes a spool motor and a spool body 442, the spool motor is disposed on the sliding seat 43, the spool body 442 is fixedly connected to a shaft of the spool motor, and the spool motor is used to rotate the spool body 442. In other embodiments, the spool motor may be disposed inside the spool body 442, and the output shaft of the spool motor is fixedly connected to the sliding seat 43.
In a preferred embodiment, the driving mechanism comprises a driving motor, a screw rod and a nut, wherein the driving motor is arranged on the first base 10, the nut is arranged on the second base 20, the screw rod is connected with a shaft of the driving motor, and passes through the nut, and the driving motor drives the second base 20 to perform translational motion relative to the first base 10; the driving motor drives the screw rod to rotate, the nut converts the rotation motion of the screw rod into translational motion, and the second base 20 is driven to perform translational motion relative to the first base 10. In other embodiments, the second base 20 may be driven in translational movement relative to the first base 10 by a gear and rack, or by a linkage mechanism.
In order to enable the second base 20 to perform a smooth translational movement with respect to the first base 10, to prevent loosening or deviation, in a preferred embodiment, the first base 10 is provided with a chute 12, the second base 20 is provided with a protruding strip 22, the extending directions of the chute 12 and the protruding strip 22 are consistent with the direction of the translational movement of the second base 20 with respect to the first base 10, the protruding strip 22 is sunk into the chute 12, the chute 11 and the protruding strip 21 have a limiting effect on the movement of the second base 20, to prevent loosening or deviation, and to enable the translational movement of the second base 20 to be smoother. In other embodiments, a rail, linkage, or other mechanism may be used to limit movement of the second base 20, preventing loosening or misalignment between the first base 10 and the second base 20.
Because the strength of the flexible screen is limited, when a user performs touch operation on the current display area of the flexible screen, the flexible screen can deform under the pressure action of fingers, so that the use experience of the user is affected, and the flexible screen is easily damaged; in a preferred embodiment, further comprising a screen support mechanism 60, the screen support mechanism 60 comprising a first support bar 61 connected to the first base 10 and a second support bar 62 connected to the second base 20; the first support bars 61 and the second support bars 62 are multiple, the first support bars 61 and the second support bars 62 are staggered, and the extending directions of the first support bars 61 and the second support bars 62 are the same as the direction of the second base 20 moving in a translation way relative to the first base 10; the first support bar 61 and the second support bar 62 are on the same plane with the inlet of the first guide groove 11 and the inlet of the second guide groove 21.
In order to prevent the ends of the first and second support bars 61 and 62 from tilting to affect movement of the flexible screen or to cause damage to the inside of the flexible screen, the ends of the first and second support bars 61 and 62 are provided with rounded corners or chamfers in a preferred embodiment.
In a second aspect, the present application also provides a scroll screen terminal comprising a flexible screen 50 and the scroll structure described above; the flexible screen 50 includes a first display area 51 and a second display area 52, an end of the first display area 51 entering the inside of the first guide groove 11 through an entrance of the first guide groove 11, and an end of the second display area 52 entering the inside of the second guide groove 21 through an entrance of the second guide groove 21.
The state in which the spool screen terminal is located may be divided into an expanded state and a closed state, wherein the expanded state includes a first expanded state and a second expanded state, and the closed state includes a first closed state and a second closed state.
As shown in fig. 5, fig. 5 is a schematic structural view of the scroll screen terminal in the first unfolded state, where the first display area 51 and the second display area 52 are located between the first guide groove 11 and the second guide groove 21, and the first display area 51 and the second display area 52 are both in the display state, and the scroll 44 is located in the first position, that is, the scroll body 442 of the scroll 44 abuts against the inner side of the first display area 51 in the first guide groove 11.
As shown in fig. 6, fig. 6 is a schematic structural view of the scroll screen terminal in the second unfolded state, where the first display area 51 and the second display area 52 are located between the first guide groove 11 and the second guide groove 21, and the first display area 51 and the second display area 52 are both in the display state, and the scroll 44 is located in the second position, that is, the scroll body 442 of the scroll 44 abuts against the inner side of the second display area 52 in the second guide groove 21.
As shown in fig. 7, fig. 7 is a schematic structural view of the spool screen terminal in the first closed state, the first display area 51 is hidden in the first guide groove 11, the second display area 52 is located between the first guide groove 11 and the second guide groove 21, and the spool 44 is located in the first position, that is, the spool body 442 of the spool 44 abuts against the inner side of the first display area 51 in the first guide groove 11.
As shown in fig. 8, fig. 8 is a schematic structural view of the spool screen terminal in the second closed state, where the first display area 51 is located between the first guide groove 11 and the second guide groove 21, the second display area 52 is hidden in the second guide groove 21, and the spool 44 is located in the second position, that is, the spool body 442 of the spool 44 abuts against the inner side of the second display area 52 in the second guide groove 21.
When the reel screen terminal is switched from the first unfolded state to the first closed state, the driving mechanism drives the second base 20 to move in a translational manner in a direction approaching the first base 10, and simultaneously the reel 44 rotates clockwise, and the linear speed of rotation of the reel 44 is equal to the speed of movement of the second base 20 to the first base 10, so that the flexible screen 50 between the first guide groove 11 and the second guide groove 21 is kept flat during the switching process.
When the reel screen terminal is switched from the first closed state to the first opened state, the driving mechanism drives the second base 20 to move in a translational manner in a direction away from the first base 10, and simultaneously the reel 44 rotates anticlockwise, and the linear speed of rotation of the reel 44 is equal to the speed of movement of the second base 20 to the first base 10, so that the flexible screen 50 between the first guide groove 11 and the second guide groove 21 is kept flat during the switching process.
When the reel screen terminal is switched from the second unfolded state to the second closed state, the driving mechanism drives the second base 20 to move in a translational manner in a direction approaching the first base 10, and simultaneously the reel 44 rotates anticlockwise, and the linear speed of rotation of the reel 44 is equal to the speed of movement of the second base 20 to the first base 10, so that the flexible screen 50 between the first guide groove 11 and the second guide groove 21 is kept flat during the switching process.
When the reel screen terminal is switched from the second closed state to the second opened state, the driving mechanism drives the second base 20 to move in a translational manner in a direction away from the first base 10, and simultaneously the reel 44 rotates clockwise, and the linear speed of rotation of the reel 44 is equal to the speed of movement of the second base 20 to the first base 10, so that the flexible screen 50 between the first guide groove 11 and the second guide groove 21 is kept flat during the switching process.
The drive mechanism causes the spool 44 to switch between the first and second positions when the spool screen terminal switches between the first and second extended states, or between the first and second closed states.
If the inner side of the flexible screen 50 and the reel body 442 of the reel 44 slide relatively, the reel body 442 cannot accurately drive the flexible screen 50 to move; in a preferred embodiment, the side wall of the reel body 442 is provided with a gear, the inner side of the flexible screen 50 is provided with a rack, and the reel body 442 drives the flexible screen 50 to move through the gear and the rack; in other embodiments, rubber pads may be provided on the side walls of the reel body 442 and the inside of the flexible screen 50 to increase friction.
In a third aspect, the present invention further provides a screen display area switching method, which is applied to the above scroll screen terminal, and a process of switching the scroll screen from an unfolded state to a closed state includes the following steps:
s30: respectively acquiring loss values of the first display area 51 and the second display area 52;
s40: the first display area 51 is compared with the second display area 52 in terms of loss value, the display area with low control loss value is switched to the hidden state, and the display area with high control loss value is kept in the display state.
When the scroll screen terminal is switched from the unfolded state to the closed state, loss values of the first display area 51 and the second display area 52 are respectively obtained, loss values of the first display area 51 and the second display area 52 are compared, a display area with low control loss is switched to the hidden state, and a display area with high control loss value is kept in the display state.
For example, when the loss value of the first display area 51 is smaller than that of the second display area 52, the scroll screen terminal is switched from the first unfolded state or the second unfolded state to the first closed state; when the loss value of the first display area 51 is larger than that of the second display area 52, the scroll screen terminal is switched from the first unfolded state or the second unfolded state to the second closed state.
In a preferred embodiment, the method further comprises the steps of:
s10: acquiring one or more of a screen wrapping loss value, a screen accumulated wrapping time length and a screen wrapping frequency of the first display area 51 and the second display area 52 respectively;
s20: the loss values of the first display area 51 and the second display area 52 are calculated from one or more of the acquired screen wrapping loss value, the screen cumulative wrapping time period, and the screen wrapping frequency, respectively.
One or more of a screen wrap-around loss value, a screen cumulative wrap-around time length, and a screen wrap-around frequency of the first display area 51 and the second display area 52 are acquired, respectively, and loss values of the first display area 51 and the second display area 52 are calculated according to the acquired one or more of the screen wrap-around loss value, the screen cumulative wrap-around time length, and the screen wrap-around frequency, respectively.
In a preferred embodiment, the loss value of the first display area 51 is calculated based on the screen wrap-around loss value, the screen cumulative wrap time period, and the screen wrap frequency of the first display area 51, and the loss value of the second display area 52 is calculated based on the screen wrap-around loss value, the screen cumulative wrap time period, and the screen wrap frequency of the second display area 52. Specifically, the loss value is calculated as follows:
S i ＝K 1 *(T t /T i )+K 2 *(C t /C i )+K 3 *(N t /N i )
wherein S is i For the screen wrap-around loss value, T t To accumulate the winding time, T i Is the winding life time; c (C) t To accumulate the winding times C i The number of times of winding life; n (N) t For average winding frequency, N i Is the maximum sustainable winding frequency; k (K) 1 、K 2 And K 3 Respectively a winding time length adjusting coefficient, a winding frequency adjusting coefficient and a winding frequency adjusting coefficient, which are used forIn the balanced winding time length, winding times and winding frequency proportion, K 1 、K 2 And K 3 Set according to the experimental measurement data.
Compared with the prior art, the invention has the following beneficial effects:
1. two guide grooves and a slidable scroll are arranged, so that display areas on two sides of the flexible screen can be switched between a hidden state and a display state, loss values on two sides of the flexible screen are more balanced, and consistency of display effects on two sides of the flexible screen is ensured.
2. The sliding groove is formed in the first base, the convex strip is arranged on the second base and falls into the sliding groove, and the first base and the second base are prevented from deviating through the sliding groove and the convex strip, so that the relative movement of the first base and the second base is smoother.
3. Set up screen supporting mechanism, prevent that flexible screen's display area from taking place to warp, promoted user's use experience, increased flexible screen's life.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (10)
1. A spool structure, characterized in that:
comprises a first base (10), a second base (20), a driving mechanism and a winding mechanism (40);
the first base (10) and the second base (20) are connected through the driving mechanism, and the second base (20) can perform translational movement relative to the first base (10);
the first base (10) is provided with a first guide groove (11), the second base (20) is provided with a second guide groove (21), and the first guide groove (11) and the second guide groove (21) are respectively used for accommodating two end parts of the flexible screen;
the winding mechanism (40) comprises a first guide rail (41), a second guide rail (42), a reel sliding seat (43) and a reel (44); the first guide rail (41) and the second guide rail (42) are adjacent and are arranged in parallel, the first guide rail (41) is fixedly connected with the first base (10), the second guide rail (42) is fixedly connected with the second base (20), and the extending direction of the first guide rail (41) and the extending direction of the second guide rail (42) are consistent with the direction of translational movement of the second base (20) relative to the first base (10); the sliding seat (43) is arranged on the first guide rail (41) and the second guide rail (42), the scroll (44) is rotatably arranged on the sliding seat (43), the sliding seat (43) and the scroll (44) can move along the extending direction of the first guide rail (41) and the extending direction of the second guide rail (42), and the sliding seat (43) and the scroll (44) are provided with a first position moving to the first guide groove (11) and a second position moving to the second guide groove (21).
2. The spool construction according to claim 1 wherein:
the sliding seat (43) is provided with a sliding motor, a gear is arranged on the shaft of the sliding motor, the gear is meshed with the racks on the first guide rail (41) and the second guide rail (42), and the sliding motor is used for driving the sliding seat (43) to move in a translational mode along the extending direction of the first guide rail (41) and the extending direction of the second guide rail (42).
3. The spool construction according to claim 1 wherein:
the spool (44) comprises a spool motor and a spool body (442), the spool motor is arranged on the sliding seat (43), the spool body (442) is fixedly connected with a shaft of the spool motor, and the spool motor is used for driving the spool body (442) to rotate.
4. The spool construction according to claim 1 wherein:
the driving mechanism comprises a driving motor, a screw rod and a nut, wherein the driving motor is arranged on the first base (10), the nut is arranged on the second base (20), the screw rod is connected with a shaft of the driving motor, the screw rod penetrates through the nut, and the driving motor drives the second base (20) to perform translational motion relative to the first base (10).
5. The spool construction according to claim 1 wherein:
the sliding groove (12) is formed in the first base (10), the convex strip (22) is formed in the second base (20), the extending direction of the sliding groove (12) and the convex strip (22) is consistent with the direction of the second base (20) relative to the translational movement of the first base (10), and the convex strip (22) is sunk into the sliding groove (12).
6. The spool construction according to claim 1 wherein:
the screen support mechanism (60) comprises a first support bar (61) connected with the first base (10) and a second support bar (62) connected with the second base (20);
the first supporting strips (61) and the second supporting strips (62) are multiple, the first supporting strips (61) and the second supporting strips (62) are arranged in a staggered mode, and the extending directions of the first supporting strips (61) and the second supporting strips (62) are the same as the sliding direction of the second base (20);
the first support bar (61), the second support bar (62) are in the same plane with the inlet of the first guide groove (11) and the inlet of the second guide groove (21).
7. The spool construction according to claim 6 wherein:
the tail ends of the first supporting bar (61) and the second supporting bar (62) are provided with round corners or chamfers.
8. A scroll screen terminal, characterized by:
comprising a flexible screen (50) and a reel structure according to any of claims 1-7, the flexible screen (50) comprising a first display area (51) and a second display area (52), the end of the first display area (51) entering the interior of the first guide groove (11) through the entrance of the first guide groove (11), the end of the second display area (52) entering the interior of the second guide groove (21) through the entrance of the second guide groove (21).
9. A screen display area switching method applied to the scroll screen terminal according to claim 8, wherein the process of switching the scroll screen terminal from the expanded state to the contracted state comprises the steps of:
s30: respectively acquiring loss values of the first display area (51) and the second display area (52);
s40: and comparing the loss value of the first display area (51) with that of the second display area (52), switching the display area with low control loss value to a hidden state, and keeping the display area with high control loss value in a display state.
10. The screen display area switching method according to claim 9, further comprising, before step S30:
s10: acquiring one or more of a screen wrapping loss value, a screen accumulated wrapping duration and a screen wrapping frequency of the first display area (51) and the second display area (52) respectively;
s20: and respectively calculating the loss values of the first display area (51) and the second display area (52) according to one or more of the acquired screen winding loss values, the screen accumulated winding time and the screen winding frequency.
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