阅读说明：本技术 柔性电子设备及其弯曲速度检测装置 (Flexible electronic equipment and bending speed detection device thereof ) 是由 胡小冬 陶波波 刘占超 于 2018-10-22 设计创作，主要内容包括：本申请提供一种柔性电子设备(100)及其弯曲速度检测装置(20),所述柔性电子设备(100)包括柔性壳体(10),所述弯曲速度检测装置(20)设置于所述柔性壳体(10)中。所述弯曲速度检测装置(20)包括极性相反且相对设置的第一磁性件(211)和第二磁性件(212)、线圈(22)、驱动机构(24)以及检测电路(25)。所述线圈(22)可旋转地设置于所述第一磁性件(211)和第二磁性件(212)之间,所述线圈(22)在旋转时做切割磁感线运动并产生感应电流。所述驱动机构(24)在所述柔性壳体(10)发生弯曲时驱动所述线圈(22)旋转。所述检测电路(25)用于检测所述线圈(22)上产生的感应电动势,并根据所述感应电动势确定所述柔性壳体(10)的弯曲速度。(The application provides a flexible electronic device (100) and a bending speed detection device (20) thereof, wherein the flexible electronic device (100) comprises a flexible shell (10), and the bending speed detection device (20) is arranged in the flexible shell (10). The bending speed detection device (20) comprises a first magnetic piece (211) and a second magnetic piece (212) which are opposite in polarity and are oppositely arranged, a coil (22), a driving mechanism (24) and a detection circuit (25). The coil (22) is rotatably arranged between the first magnetic piece (211) and the second magnetic piece (212), and the coil (22) performs cutting magnetic induction line movement and generates induction current when rotating. The drive mechanism (24) drives the coil (22) to rotate when the flexible housing (10) is bent. The detection circuit (25) is used for detecting the induced electromotive force generated on the coil (22) and determining the bending speed of the flexible shell (10) according to the induced electromotive force.)

A bending speed detecting device provided in a flexible case, characterized by comprising:

the first magnetic part and the second magnetic part are opposite in polarity and are oppositely arranged;

the coil is rotatably arranged between the first magnetic part and the second magnetic part, and the coil performs cutting magnetic induction line movement and generates induction current when rotating;

the driving mechanism is fixed in the flexible shell and fixedly connected with the coil, and is used for driving the coil to rotate when the flexible shell is bent; and

and the detection circuit is electrically connected with the coil and used for detecting an induced electrical signal generated on the coil and determining the bending speed of the flexible shell according to the detected induced electrical signal.

The bending speed detecting apparatus according to claim 1, further comprising a fixing terminal for fixing the coil, the fixing terminal extending in a direction parallel to a plane in which the coil is located, the coil being rotatably fixed in the flexible case by the fixing terminal.

The bending speed detecting apparatus according to claim 2, wherein a first connecting portion is provided at an end of the fixed terminal remote from the coil, and a second connecting portion matching the first connecting portion is provided on the flexible housing, the first connecting portion and the second connecting portion being connected to rotatably fix the coil to the flexible housing.

The bending speed detecting device according to claim 3, wherein the first connecting portion is at least one protrusion disposed on an outer surface of an end portion of the fixed terminal, and the protrusion includes a contact surface perpendicular to the fixed terminal and away from an end surface of the fixed terminal; the second connecting part is an accommodating hole arranged on the flexible shell, a butting wall is arranged at the opening of the accommodating hole, the bulge is inserted into the accommodating hole and can rotate in the accommodating hole, and the butting surface butts against the inner surface of the butting wall, so that the coil is rotatably fixed in the flexible shell.

The bending speed detecting apparatus according to claim 2, wherein the flexible housing includes a first side and a second side opposite to each other, the first magnetic member is disposed adjacent to the first side, and the second magnetic member is disposed adjacent to the second side, and wherein the plane in which the coil is disposed is perpendicular to the first side and the second side, respectively, when the flexible housing is in the non-bent state.

The bending speed detecting device according to claim 5, wherein the flexible housing further comprises first and second opposing ends, the first and second sides being located between the first and second ends;

the coil comprises a first side part and a second side part which are opposite, when the flexible shell is in a non-bending state, the first side part is close to the first magnetic part, and the second side part is close to the second magnetic part;

the driving mechanism comprises a first driving piece and a second driving piece, one end of the first driving piece is fixedly connected with the first side part of the coil, and the other end of the first driving piece extends towards the first end of the flexible shell and is fixed on the flexible shell; one end of the second driving piece is fixedly connected with the second side part of the coil, and the other end of the second driving piece extends towards the direction of the second end of the flexible shell and is fixed on the flexible shell;

when the flexible shell is bent, the first driving piece and the second driving piece are elastically deformed respectively to drive the coil to rotate along a first direction, so that the coil performs cutting magnetic induction line motion.

The bending speed detecting device according to claim 6, wherein the extending direction of the first driving member is parallel to the extending direction of the second driving member, and the extending direction of the fixed terminal is perpendicular to the extending directions of the first driving member and the second driving member, respectively, when the flexible housing is in the non-bending state.

The bending speed detecting apparatus according to claim 6, wherein the flexible housing is provided with a plurality of limiting posts along an extending direction of the first driving member and the second driving member, and the limiting posts are used for limiting the first driving member and the second driving member at predetermined positions respectively and enabling the first driving member and the second driving member to stretch and contract along a predetermined path.

The bending speed detecting apparatus according to claim 2, wherein the fixed terminal includes a first electrode and a second electrode, the first electrode and the second electrode being electrically connected to both free ends of the coil, respectively.

The bending speed detecting apparatus according to claim 9, wherein the detecting circuit comprises:

the signal adjusting circuit is electrically connected with the coil through a first electrode or a second electrode of the fixed terminal and is used for detecting an induced electrical signal generated by the coil and outputting an adjusting voltage after the detected induced electrical signal is subjected to signal adjustment;

the sampling circuit is electrically connected with the output end of the signal adjusting circuit and is used for sampling the adjusted voltage, performing AD conversion and outputting a corresponding sampling voltage signal; and

and the processor is electrically connected with the sampling circuit and used for receiving the sampling voltage signal output by the sampling circuit and determining the bending speed corresponding to the sampling voltage signal according to the preset corresponding relation between the voltage and the bending speed.

The bending speed detecting apparatus according to claim 10, wherein the induced electric signal is an induced electromotive force, and the signal adjusting circuit includes an operational amplifying circuit for detecting the induced electromotive force generated by the coil, and amplifying the detected induced electromotive force and outputting an amplified voltage.

The bending speed detection apparatus according to claim 10, wherein the processor is further configured to determine a bending mode of the flexible housing according to the bending speed, wherein the bending mode includes at least a fast bending mode, a normal bending mode, and a slow bending mode.

The bending speed detecting apparatus according to claim 12, wherein the processor is further configured to control an operation mode of the flexible electronic device in which the bending speed detecting apparatus is located, an application program running on the flexible electronic device, or a human-machine interface displayed on the flexible electronic device according to the determined bending mode.

The bending speed detecting apparatus according to claim 12, wherein the processor is further configured to generate a corresponding prompt message according to the determined bending mode to prompt the bending mode to which the current bending operation belongs.

A flexible electronic device comprising a flexible housing and the bending speed detecting apparatus according to any one of claims 1 to 14, the bending speed detecting apparatus being disposed within the flexible housing.