CN110770813A

CN110770813A - Folding mechanism control method, folding mechanism and terminal

Info

Publication number: CN110770813A
Application number: CN201780092140.8A
Authority: CN
Inventors: 张强; 陈松亚
Original assignee: Shenzhen Royole Technologies Co Ltd
Current assignee: Shenzhen Royole Technologies Co Ltd
Priority date: 2017-08-03
Filing date: 2017-08-03
Publication date: 2020-02-07
Also published as: WO2019024045A1

Abstract

The utility model provides a folding mechanism and include this folding mechanism's terminal (100), folding mechanism includes supporter (1) and locates controlling means (10) in the flexible casing, and supporter (1) is at least partly flexible to the flexible part of supporter (1) is filled with magnetorheological suspensions (152), and controlling means (10) are used for controlling magnetorheological suspensions (152) solidification or liquefaction, in order to realize buckling and the location of supporter (1).

Description

Folding mechanism control method, folding mechanism and terminal

Technical Field

The invention relates to the technical field of terminal equipment, in particular to a folding mechanism control method, a folding mechanism and a terminal.

Background

In order to improve the operation performance and the viewing performance of the existing part of mobile phones or notebook computers, full screen setting is adopted, for example, the notebook computer comprises two parts of main bodies which are connected in a rotating shaft mode to realize folding and unfolding, and screens are also respectively arranged on the two parts of main bodies for operation and display.

Disclosure of Invention

The embodiment of the invention provides a folding mechanism capable of improving bending performance and a terminal.

The folding mechanism comprises a supporting body and a control device arranged in the flexible shell, wherein at least part of the supporting body is flexible, magnetorheological fluid is filled in the flexible part of the supporting body, and the control device is used for controlling the magnetorheological fluid to be solidified or liquefied so as to realize bending and positioning of the supporting body.

The terminal comprises a flexible screen and the folding mechanism, wherein the flexible screen is fixed on the supporting body.

The invention relates to a control method of a folding mechanism, which comprises the following steps

Sensing an operation signal in which the supporting body is operated by a sensor;

the control device charges or cuts off the power of the electromagnet after receiving the operation signal transmitted by the sensor so as to enable the magnetorheological fluid of the electromagnet to be the flexible part to be solidified to generate a magnetic field, or enable the magnetorheological fluid of the electromagnet to be the flexible part to be liquefied to eliminate the magnetic field, and therefore the support body is positioned or turned over.

The folding mechanism can control the bending angle and the fixed state of the flexible bending part in the process of holding the folding mechanism to realize the folding state and the positioning of the folding mechanism, the operation is random and simple, and the terminal using the folding mechanism has higher bending performance.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a structural schematic diagram of a folding mechanism provided by the present invention in a folded state.

Fig. 2 is a structural diagram illustrating a bent state of one mode of the folding mechanism provided by the present invention.

Fig. 3 is a schematic plan view of the folding mechanism shown in fig. 2 in an unfolded state.

Fig. 4 is a schematic diagram of a terminal provided in the present invention.

Fig. 5 is a flowchart of a folding mechanism control method provided by the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 and 4, an embodiment of the invention provides a folding mechanism and a terminal 100 having the same. The terminal 100 may be a tablet Computer, a mobile phone, a flexible display, an e-reader, a remote controller, a Personal Computer (PC), a notebook Computer, a vehicle-mounted device, a network television, a wearable device, and the like.

Referring to fig. 1, in an embodiment of the present invention, the folding mechanism includes a supporting body 1 and a control device 10 disposed in the supporting body 1, where at least a portion of the supporting body 1 is flexible, and a flexible portion of the supporting body 1 is filled with a magnetorheological fluid, and the control device 10 is configured to control the magnetorheological fluid to solidify or liquefy so as to realize bending and positioning of the supporting body 1. Specifically, when the support body 1 is entirely flexible, the support body includes a flexible outer shell and a magnetorheological fluid filled in the flexible outer shell. When the magnetorheological fluid is liquefied, the support body 1 can be bent at any angle, and is positioned at the bent angle after the magnetorheological fluid is solidified. The flexible screen of the terminal using the folding mechanism can be supported by the support body 1 after the magnetorheological fluid is solidified, and the flexible screen is bent at any angle when the magnetorheological fluid is liquefied, so that the display performance of a large screen can be realized, and the bending at any angle and the angle positioning of the flexible screen can be realized.

In this embodiment, a sensor 18 is disposed on the supporting body 1, and the control device 10 is electrically connected to the sensor 18 and controls the magnetorheological fluid to solidify or liquefy after detecting a sensing signal of the sensor 18. The supporting body 1 is provided with an electromagnet 17, and the control device 10 controls the electromagnet 17 to be charged or powered off so that the electromagnet 17 generates a magnetic field or closes the magnetic field to the magnetorheological fluid.

Referring to fig. 2 and fig. 3, when the support body 1 is partially flexible, the flexible portion filled with the magnetorheological fluid is a flexible bending portion 15, the flexible bending portion 15 includes a flexible housing 151 for accommodating the magnetorheological fluid 152, and the support body connected to two opposite sides of the flexible bending portion 15 is a first support body and a second support body. The control device 10 is used for controlling the magnetorheological fluid 152 to solidify or liquefy so as to realize the positioning or turning of the first support body 11 relative to the second support body 13.

The first supporting body 11 and the second supporting body 13 are rectangular hollow shells, or may be plate bodies, and are determined according to design requirements, and the interiors of the first supporting body 11 and the second supporting body 13 may be used for accommodating a power supply and circuit board lamp devices. The flexible housing 151 is a rectangular sealing structure made of flexible materials such as rubber, the interior of the flexible housing is filled with magnetorheological fluid 152, and the form of the flexible housing 151 is determined by the curing or liquid change of the magnetorheological fluid 152. Two opposite sides of the flexible casing 151 are respectively connected to one side of the first supporting body 11 and one side of the second supporting body 13. The first support 11 and the second support 13 may be made of plastic, metal, or other materials. Of course, the flexible body may be supported by a support body, and may be integrally formed with the flexible housing 151 of the flexible bending portion. The first supporting body 11 includes a first surface 111, the second supporting body 13 includes a second surface 131, it should be noted that the first surface 111 and the second surface 131 may form a plane and have the same orientation.

As shown in fig. 3, in the present embodiment, a power supply 16 connected to the control device 10 is provided in the first support 11. The control device 10 is a flexible circuit board or a printed circuit board, and the control device 10 is arranged in the second support body 13. Of course, the power source may be disposed in the second support body 13. The control device 10 is disposed in the first support body 11. The flexible bending portion 15 is connected between the first supporting body 11 and the second supporting body 13. The flexible casing 151 and the first support 11 and the second support 13 may be filled with magnetorheological fluid by two-shot molding, or may be filled with magnetorheological fluid to form an independent whole and then fixed by fixing means such as hot melting and colloid.

The first supporting body 11 and/or the second supporting body 13 are/is provided with the electromagnet 17, and the control device 10 controls the electromagnet 17 to be charged or powered off, so that the electromagnet generates a magnetic field or closes the magnetic field to the flexible bending portion 15. In this embodiment, the first supporting body 11 and the second supporting body 13 are both provided with electromagnets 17. Specifically, one of the electromagnets 17 is located at a connection end portion of the first support 11 and the flexible bending portion 15, and the other electromagnet 17 is located at a connection end portion of the second support 13 and the flexible bending portion 15. The two electromagnets 17 are close to the flexible bending part 15, the magnetic field is generated and disappears, and the magnetic rheological fluid 152 of the flexible bending part 15 can sense the magnetic field instantly, so that the shape of the magnetic rheological fluid is changed at any time, and the flexible deformation and fixation of the flexible bending part 15 are realized. In this embodiment, the control device 10 is a circuit board. It may be a circuit board of the control electromagnet 17 belonging to the folding mechanism, or a circuit board of the terminal to which the folding mechanism is applied.

When the control device 10 charges the electromagnet 17, the electromagnet 17 generates a magnetic field, and the magnetic field sensed by the magnetorheological fluid of the flexible bending part 15 is instantly solidified, so that the flexible bending part 15 is fixed in any form. Then, when the user turns over the first supporting body 11 relative to the second supporting body 13 and then needs to fix the first supporting body at a certain angle, as long as the electromagnet 17 generates a magnetic field, the magnetorheological fluid of the flexible bending portion 15 senses that the magnetic field is instantly solidified, and the flexible bending portion 15 can position the angle between the first supporting body 11 and the second supporting body 13 at any angle. When the control device 10 is powered off for the electromagnet 17, the magnetic field of the electromagnet 17 disappears, the magnetorheological fluid 152 of the flexible bending part 15 cannot induce the magnetic field and can be instantly liquefied, and the flexible bending part 15 can be bent by 360 degrees. Then, when the user turns over and bends the first supporting body 11 relative to the second supporting body 13, the flexible bending portion 15 can be turned over along with the first supporting body 11 and the second supporting body 13 at any angle as long as the magnetic field of the electromagnet 17 disappears and the magnetorheological fluid of the flexible bending portion 15 is liquefied. The flexible bending part 15 has no counterforce and no limitation of a bending angle, so that the bending performance is better, and the use experience of a user is improved.

The sensor 18 is disposed in the first supporting body 11 and/or the second supporting body 13, and the control device 10 is electrically connected to the sensor 18 and controls the magnetorheological fluid 152 to solidify or liquefy after detecting a sensing signal of the sensor 18. The sensor 18 transmits an operation signal to the control device 10 to control the electromagnet 17 to be charged or de-energized when detecting the operation signal. The sensor 18 is one of a pressure sensor, a distance sensor, a fingerprint identification module, a tension sensor and a multi-point sensor. The sensor 18 in this embodiment is a pressure sensor.

In this embodiment, the sensors are disposed on both the first supporting body 11 and the second supporting body 13, the sensor 18 on the first supporting body 11 is located at an end of the first supporting body 11 away from the flexible bending portion, and the sensor 18 on the second supporting body 13 is located at an end of the second supporting body 13 away from the second supporting body 13 opposite to the flexible bending portion 15. When the user both hands hold first supporter 11 with second supporter 13 to first supporter 11 with when second supporter 13 turns over a book, the position of two sensors 18 is the position that most conveniently grips, senses operating signal and transmits for simultaneously when sensor 18 controlling means 10, controlling means 10 gives the electro-magnet outage with control after the sensing signal that detects sensor 18 magnetorheological suspensions 152 liquefaction, just can make first supporter 11 with second supporter 13 is through the flexible book of turning over an arbitrary angle of portion 15. And after the user found first supporter 11 with second supporter 13 relative bending angle, can let go of the hand of holding sensor 18 position, as long as a sensor 18 sensing to cancel the operating signal of operation and transmit for controlling means 10, controlling means 10 does electro-magnet 17 charges, and the magneto-rheological fluid 152 of flexible portion of bending 15 senses magnetic field and can solidify in the twinkling of an eye, makes flexible portion of bending 15 is fixed at current angle, first supporter 11 with second supporter 13 has just also realized turning over the location of turning over back angle. The torsion of the flexible bending part 15 does not need to be considered in the process, and the bending angle of the flexible bending part 15 does not need to be limited.

Referring to fig. 4, an embodiment of the present invention provides a terminal 100, which includes a flexible screen 120 and the folding mechanism, wherein the flexible screen 120 is fixed on the first supporting body 11 and the second supporting body 13. Specifically, the flexible panel 120 is a rectangular panel, one part of which is mounted on the first surface 111 of the first support 11, the other part of which is mounted on the second surface 131 of the second support plate 13, and the middle part of which is stacked opposite to the flexible bending part 15. The control device 10 is electrically connected to the flexible screen 120. And the power supply 10 may also provide power to the flexible screen 120. The folding mechanism enables support of the flexible screen 120. When needs are folding flexible screen 120 or the angle of observation of adjusting the flexible screen, make first supporter 11 relative second supporter 13 turns over to turn over and drives flexible screen 120 and turns over and fold, for example need accomodate terminal 100 with flexible screen 120 fifty percent discount, it is relative to hold first supporter 11 second supporter 13 tip, sensor 18 sensing sense gives the operating signal who grips and transmits controlling means 10, controlling means 10 does 17 outage of electro-magnet eliminates magnetic field, magnetorheological suspensions 152 liquefaction just can make first supporter 11 with second supporter 13 is through the 15 fifty percent discount of bending of flexibility, and then with flexible screen 120 fifty percent discount. Then, the first supporting body 11 and the second supporting body 13 are loosened, the control device 10 charges the electromagnet 17 to enable the electromagnet 17 to generate a magnetic field, and the magnetorheological fluid 152 senses the magnetic field and is instantly solidified, so that the flexible bending part 15 is fixed at the current angle. When it is desired to flatten the flexible screen 120, the first support 11 is fully unfolded with respect to the second support 13, and the first surface 111 and the second surface 131 are located on the same plane and oriented in the same direction.

The terminal supports and folds the flexible screen through the folding mechanism, the folding angle and the fixed state of the flexible bending part 15 can be controlled in the process of holding and folding the flexible screen to realize the folding state and the positioning of the flexible screen, excessive torsion and resistance cannot be generated, the operation is random and simple, and the terminal has higher folding performance.

The surface of the flexible bending part 15 is provided with a flexible support plate (not shown), and the flexible support plate 19 is attached to the flexible screen 120 and changes along with the deformation of the bending area of the flexible screen 120. When the flexible screen 120 is completely unfolded, the flexible support plate 19 supports a bending area of the flexible screen 120 opposite to the flexible bending part 15, so that the flexible screen can be better flattened. When the flexible screen 120 is bent, the flexible support plate 19 is bent along with the bending area, so that the bending area is prevented from being pressed or damaged by bending, and a protection effect is achieved.

Referring to fig. 5, the present invention further provides a method for controlling the folding mechanism, the method comprising

Step 1, sensing an operation signal of the support body 1 operated by the sensor 18,

step 2, after receiving the operation signal transmitted by the sensor 18, the control device 10 charges or cuts off the power of the electromagnet 17, so that the magnetorheological fluid 152 of the electromagnet 17 serving as the flexible bending part is solidified to generate a magnetic field, or the magnetorheological fluid 152 of the electromagnet 17 serving as the flexible bending part 15 is liquefied to eliminate the magnetic field; to achieve positioning or folding of the support body 1.

When the flexible portion of the support body is the flexible bending portion 15, the first support body 11 and the second support body 13 included in the support body 1 are positioned or folded through the flexible bending portion 15.

The sensor 18 senses that the first supporting body 11 and the second supporting body 13 are touched, the control device 10 powers off the electromagnet 17 after receiving the touched operation signal transmitted by the sensor 18, so that the magnetorheological fluid 152 of the electromagnet 17, which is the flexible bending portion 15, is liquefied to eliminate a magnetic field, and the first supporting body 11 and the second supporting body 13 are bent at an angle through the flexible bending portion 15.

The sensor 18 senses an operation signal indicating that the first support body 11 and the second support body 13 cancel the operation (the hands are away from the support body), the control device 10 charges the electromagnet 17 after receiving the operation signal indicating that the sensor 18 cancels the operation, so that the magnetorheological fluid 152 of the electromagnet 17 serving as the flexible bending portion 15 is solidified to generate a magnetic field, and the first support body 11 and the second support body 13 are positioned by the flexible bending portion 15.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

The folding mechanism is characterized by comprising a support body and a control device arranged in the support body, wherein at least part of the support body is flexible, magnetorheological fluid is filled in the flexible part of the support body, and the control device is used for controlling the magnetorheological fluid to be solidified or liquefied so as to realize bending and positioning of the support body.
The folding mechanism of claim 1, wherein a sensor is disposed on the supporting body, and the control device is electrically connected to the sensor and controls the magnetorheological fluid to solidify or liquefy after detecting a sensing signal of the sensor.
The folding mechanism of claim 2, wherein an electromagnet is disposed on the support body, and the control device controls the electromagnet to be charged or de-energized, so that the electromagnet generates a magnetic field or closes the magnetic field to the magnetorheological fluid.
The folding mechanism according to any one of claims 1 to 3, wherein the flexible portion of the support body filled with the magnetorheological fluid is a flexible bending portion, the flexible bending portion includes a flexible housing for accommodating the magnetorheological fluid, and the control device connected to two opposite sides of the flexible bending portion controls the magnetorheological fluid to solidify or liquefy so as to position or fold the first support body relative to the second support body.
A folding mechanism according to claim 4, wherein said sensor is provided in said first support and/or said second support.
The folding mechanism of claim 4, wherein the electromagnet is disposed on the first supporting body and/or the second supporting body, and the control device controls the electromagnet to be charged or powered off, so that the electromagnet generates a magnetic field or closes the magnetic field to the flexible bending portion.
A folding mechanism as claimed in claim 6, wherein said sensor transmits an operating signal to said control means to control the charging or de-charging of said electromagnet.
The folding mechanism of claim 7 wherein said sensors are located on both said first support and said second support, and wherein said sensor on said first support is located at an end of said first support remote from said flexible bend and said sensor on said second support is located at an opposite end of said flexible bend remote from said second support.
A folding mechanism according to claim 5 or 7, wherein said sensor is one of a pressure sensor, a distance sensor, a fingerprint recognition module, a tension sensor, a multipoint sensor.
The folding mechanism of claim 6 wherein said first support and said second support each have an electromagnet, said electromagnets being located at the connecting ends of said first support, said second support and said flexible bend.
A folding mechanism according to claim 1, wherein said support body is provided with a power source connected to said control means.
The folding mechanism of claim 1 wherein said control means is a flexible circuit board disposed on said support body.
A terminal, comprising a flexible screen and a folding mechanism according to any of claims 1 to 11, said flexible screen being secured to said support.
The terminal of claim 13, wherein the control device is a circuit board disposed on the terminal of the support, the circuit board being electrically connected to the flexible screen.
The terminal of claim 13, wherein the surface of the flexible bending portion is provided with a flexible supporting plate, and the flexible supporting plate is attached to the flexible screen and changes along with the deformation of the bending area of the flexible screen.
A method of controlling a folding mechanism, the method comprising: sensing an operation signal in which the supporting body is operated by a sensor;

the control device charges or cuts off the power of the electromagnet after receiving the operation signal transmitted by the sensor so as to enable the magnetorheological fluid of the electromagnet to be the flexible part to be solidified to generate a magnetic field, or enable the magnetorheological fluid of the electromagnet to be the flexible part to be liquefied to eliminate the magnetic field, and therefore the support body is positioned or turned over.
The method of controlling a folding mechanism of claim 16,

when the flexible part of the support body filled with the magnetorheological fluid is a flexible bending part, sensing an operation signal of the first support body and the second support body by a sensor;

the control device charges or cuts off the power of the electromagnet after receiving the operation signal transmitted by the sensor so as to solidify the magnetorheological fluid of the flexible bending part of the electromagnet to generate a magnetic field, or liquefy the magnetorheological fluid of the flexible bending part of the electromagnet to eliminate the magnetic field;

the first support body and the second support body are positioned or turned over through solidification or liquefaction of the flexible bending part.
The method for controlling a folding mechanism according to claim 17, wherein the sensor senses that the first supporting body touches the second supporting body, the control device turns off the power of the electromagnet after receiving the touched operation signal transmitted by the sensor, so that the magnetorheological fluid of the electromagnet serving as the flexible bending portion is liquefied to eliminate the magnetic field, and the first supporting body and the second supporting body are folded at an angle through the flexible bending portion.
The method for controlling a folding mechanism according to claim 17, wherein the sensor senses an operation signal for canceling the operation of the first supporting body and the second supporting body, the control device charges the electromagnet after receiving the operation signal for canceling the operation transmitted by the sensor, so that the magnetic rheological fluid of the electromagnet serving as the flexible bending portion is solidified to generate a magnetic field, and the first supporting body and the second supporting body are positioned by the flexible bending portion.