阅读说明：本技术 一种旋钮及其控制方法和包含其的设备 (Knob, control method thereof and equipment comprising knob ) 是由 任杨杰 于 2019-09-12 设计创作，主要内容包括：本发明公开了一种旋钮及其控制方法和包含其的设备,旋钮包括转动件和固定件,转动件可转动地安装在固定件上,固定件上设置有第一光电传感器、第二光电传感器和磁体,转动件上设置有多个沿周向等间隔分布的第一挡光部,第一挡光部在转动件被旋转时先后接近第一光电传感器和第二光电传感器中的一者、第一光电传感器和第二光电传感器中的另一者,第一挡光部接近第一光电传感器时切断第一光电传感器的第一光信号,第一挡光部接近第二光电传感器时切断第二光电传感器的第二光信号,转动件上还设置有周向的齿形边缘部,齿形边缘部靠近于磁体以使其任一凸齿被磁体吸引。该旋钮结构设计巧妙,旋转手感极佳,交互体验感更强；该旋钮的控制方法简单易行。(The invention discloses a knob and a control method thereof and equipment comprising the knob, wherein the knob comprises a rotating part and a fixed part, the rotating part is rotatably arranged on the fixed part, the fixed part is provided with a first photoelectric sensor, a second photoelectric sensor and a magnet, the rotating part is provided with a plurality of first light blocking parts which are distributed at equal intervals along the circumferential direction, the first light blocking parts are successively close to one of the first photoelectric sensor and the second photoelectric sensor when the rotating part is rotated, the other one of the first photoelectric sensor and the second photoelectric sensor cuts off a first optical signal of the first photoelectric sensor when the first light blocking part is close to the first photoelectric sensor, cuts off a second optical signal of the second photoelectric sensor when the first light blocking part is close to the second photoelectric sensor, and the rotating part is also provided with a circumferential tooth-shaped edge part which is close to the magnet so that any convex tooth of the tooth-shaped edge part is attracted by the magnet. The knob is ingenious in structural design, excellent in rotary hand feeling and stronger in interactive experience feeling; the control method of the knob is simple and easy to implement.)

1. A knob, characterized by: the rotating part is rotatably arranged on the fixing part, a first photoelectric sensor, a second photoelectric sensor and a magnet are arranged on the fixing part, a plurality of first light blocking parts which are distributed at equal intervals along the circumferential direction are arranged on the rotating part, the first light blocking parts are successively close to one of the first photoelectric sensor and the second photoelectric sensor and the other of the first photoelectric sensor and the second photoelectric sensor when the rotating part is rotated, a first optical signal of the first photoelectric sensor is cut off when the first light blocking parts are close to the first photoelectric sensor, the first optical signal of the first photoelectric sensor is switched on when the first light blocking parts are separated from the first photoelectric sensor, and a second optical signal of the second photoelectric sensor is cut off when the first light blocking parts are close to the second photoelectric sensor, and when the first light blocking part leaves the second photoelectric sensor, a second light signal of the second photoelectric sensor is switched on, and the rotating piece is also provided with a circumferential tooth-shaped edge part which is close to the magnet so that any convex tooth of the magnet is attracted by the magnet.

2. The knob of claim 1, wherein: the elastic piece is installed between the fixed piece and the rotating piece, a third photoelectric sensor is further arranged on the fixed piece, an annular second light blocking portion is further arranged on the rotating piece, the second light blocking portion is close to the third photoelectric sensor when the rotating piece is pressed so as to cut off a third optical signal of the third photoelectric sensor, and the second light blocking portion leaves the third photoelectric sensor when the rotating piece is released so as to connect the third optical signal of the third photoelectric sensor.

3. The knob according to claim 2, wherein: the elastic piece is a spring.

4. The knob of claim 1, wherein: the rotating piece comprises a knob main body, a tooth-shaped piece, a light blocking disc and a central rotating shaft, one end of the central rotating shaft sequentially penetrates through the light blocking disc, the back of the tooth-shaped piece and the knob main body to be fixedly connected, the light blocking disc, the tooth-shaped piece and the knob main body are fixedly connected into a whole, a first light blocking portion is arranged on one side, facing the fixing piece, of the light blocking disc, a tooth-shaped edge portion is arranged on the tooth-shaped piece, and the magnet is located on the side of the tooth-shaped piece.

5. The knob of claim 4, wherein: the mounting contains PCB board and base, the other end of center pivot passes it installs to rotate behind the PCB board on the base, the PCB board with base fixed connection becomes integrative, the magnet is fixed on the base, the magnet passes behind the PCB board be close to in the profile of tooth piece, first photoelectric sensor with the second photoelectric sensor sets up on the PCB board.

6. The knob according to claim 2, wherein: the rotating piece comprises a knob main body, a tooth-shaped piece, a light blocking disc and a central rotating shaft, one end of the central rotating shaft sequentially penetrates through the elastic piece, the light blocking disc and the tooth-shaped piece and then is fixedly connected with the knob main body, the light blocking disc, the tooth-shaped piece and the knob main body are fixedly connected into a whole, the first light blocking part and the second light blocking part are arranged on one side, facing the fixing piece, of the light blocking disc, the tooth-shaped edge part is arranged on the tooth-shaped piece, and the magnet is located on the side of the tooth-shaped piece.

7. The knob of claim 6, wherein: the mounting contains PCB board and base, the other end of center pivot passes it installs to rotate behind the PCB board on the base, the magnet is fixed on the base, the magnet passes be close to behind the PCB board in the profile of tooth piece, first photoelectric sensor second photoelectric sensor with the third photoelectric sensor all sets up on the PCB board.

8. A method of controlling a knob according to claim 1, 4 or 5, comprising:

when a user manually rotates a rotating member, a tooth-shaped edge portion of the rotating member is attracted by a magnet to generate a rotation resistance, a tooth-shaped edge portion of the rotating member is attracted by the magnet to generate a rotation assisting force, each first light blocking portion of the rotating member cuts off a first optical signal of a first photoelectric sensor when passing through the first photoelectric sensor, the first photoelectric sensor generates a first electric signal for control each time the first optical signal is cut off, each first light blocking portion of the rotating member cuts off a second optical signal of a second photoelectric sensor when passing through the second photoelectric sensor, the second photoelectric sensor generates a second electric signal for control each time the second optical signal is cut off, and then the rotation direction of the rotating member is determined according to the time sequence of the first electric signal and the second signal, increasing or decreasing the preset parameters of the control target object according to the rotation direction; after a user releases his hand, the tooth-shaped edge portion of the rotating piece, which is closest to the magnet, is attracted by the magnet, so that the rotating piece slightly rotates until the closest tooth just faces the magnet, and at the moment, the first optical signal of the first photoelectric sensor is switched on, and the second optical signal of the second photoelectric sensor is switched on.

9. A method of controlling a knob according to claim 2, 3, 6 or 7, comprising:

when a user manually rotates a rotating piece, a convex tooth of the rotating piece, which is to be separated from a magnet, is attracted by the magnet to generate rotation resistance, a convex tooth of the rotating piece, which is to be close to the magnet, is attracted by the magnet to generate rotation assistance, each first light blocking part of the rotating piece cuts off a first optical signal of a first photoelectric sensor when passing through the first photoelectric sensor, the first photoelectric sensor generates a first electric signal for control each time the first optical signal is cut off, each first light blocking part of the rotating piece cuts off a second optical signal of a second photoelectric sensor when passing through the second photoelectric sensor, the second photoelectric sensor generates a second electric signal for control each time the second optical signal is cut off, and then the rotation direction of the rotating piece is judged according to the time sequence generated by the first electric signal and the second electric signal, increasing or decreasing the preset parameters of the control target object according to the rotation direction; after a user releases his hand, the convex tooth at the tooth-shaped edge part of the rotating piece, which is closest to the magnet, is attracted by the magnet, so that the rotating piece slightly rotates until the closest convex tooth just faces the magnet, and at the moment, the first optical signal of the first photoelectric sensor is switched on, and the second optical signal of the second photoelectric sensor is switched on;

when a user manually presses the rotating piece, the second light blocking part of the rotating piece is close to the third photoelectric sensor, so that the third optical signal of the third photoelectric sensor is cut off, and the third photoelectric sensor generates a second electric signal for control when the third optical signal is cut off; after the user releases his hand, the rotating member is reset under the action of the elastic force of the elastic member, and the second light blocking portion of the rotating member leaves the third photoelectric sensor, so that the third optical signal of the third photoelectric sensor is switched on.

10. An apparatus comprising a knob according to any one of claims 1 to 7.

Technical Field

The invention belongs to the technical field of knobs, and particularly relates to a knob, a control method thereof and equipment comprising the knob.

Background

At present, a plurality of knobs are arranged on the fitness equipment such as a running machine and a walking machine, parameters of the fitness equipment can be adjusted and controlled through the knobs, such as speed, and a certain module switch of the fitness equipment can be controlled through the knobs. The traditional knob is generally formed by directly welding an encoder on a PCB (printed circuit board), and then buckling a knob shell on the encoder. The knob with the structure is easy to deflect and collide and rub with surrounding parts, and the hand feeling is not good when the knob is rotated.

Disclosure of Invention

In view of the shortcomings of the prior art, the present invention is directed to a rotary knob, a control method thereof and a device including the same, which improve the problems of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a knob comprises a rotating part and a fixing part, wherein the rotating part is rotatably arranged on the fixing part, a first photoelectric sensor, a second photoelectric sensor and a magnet are arranged on the fixing part, a plurality of first light blocking parts which are distributed at equal intervals along the circumferential direction are arranged on the rotating part, the first light blocking parts are sequentially close to one of the first photoelectric sensor and the second photoelectric sensor and the other one of the first photoelectric sensor and the second photoelectric sensor when the rotating part is rotated, the first light blocking parts cut off a first optical signal of the first photoelectric sensor when approaching the first photoelectric sensor, the first light blocking parts are cut off a first optical signal of the first photoelectric sensor when leaving the first photoelectric sensor, and the first light blocking parts cut off a second optical signal of the second photoelectric sensor when approaching the second photoelectric sensor, and when the first light blocking part leaves the second photoelectric sensor, a second light signal of the second photoelectric sensor is switched on, and the rotating piece is also provided with a circumferential tooth-shaped edge part which is close to the magnet so that any convex tooth of the magnet is attracted by the magnet.

Preferably, the knob further includes an elastic member, the elastic member is installed between the fixed member and the rotating member, the fixed member is further provided with a third photoelectric sensor, the rotating member is further provided with a second light blocking portion in an annular shape, the second light blocking portion approaches the third photoelectric sensor when the rotating member is pressed so as to block a third optical signal of the third photoelectric sensor, and the second light blocking portion leaves the third photoelectric sensor when the rotating member is released so as to block the third optical signal of the third photoelectric sensor.

Preferably, the elastic member is a spring.

Preferably, the rotating part comprises a knob main body, a tooth-shaped piece, a light blocking disc and a central rotating shaft, one end of the central rotating shaft sequentially penetrates through the light blocking disc and the tooth-shaped piece and then is fixedly connected with the knob main body, the light blocking disc, the tooth-shaped piece and the knob main body are fixedly connected into a whole, the first light blocking part is arranged on one side, facing the fixing part, of the light blocking disc, the tooth-shaped edge part is arranged on the tooth-shaped piece, and the magnet is located on the side of the tooth-shaped piece.

Preferably, the mounting contains PCB board and base, the other end of center pivot passes rotate behind the PCB board and install on the base, the magnet is fixed on the base, the magnet passes be close to behind the PCB board the profile of tooth piece, first photoelectric sensor with the second photoelectric sensor sets up on the PCB board.

Preferably, the rotating part comprises a knob main body, a tooth-shaped piece, a light blocking disc and a central rotating shaft, one end of the central rotating shaft sequentially penetrates through the elastic piece, the light blocking disc and the tooth-shaped piece to be fixedly connected with the knob main body, the light blocking disc, the tooth-shaped piece and the knob main body are fixedly connected into a whole, the first light blocking part and the second light blocking part are arranged on one side, facing the fixing piece, of the light blocking disc, the tooth-shaped edge part is arranged on the tooth-shaped piece, and the magnet is located on the side of the tooth-shaped piece.

Another preferably, the mounting contains PCB board and base, the other end of center pivot passes rotate behind the PCB board and install on the base, the PCB board with base fixed connection becomes integrative, the magnet is fixed on the base, the magnet passes behind the PCB board be close to in the profile of tooth piece, first photoelectric sensor second photoelectric sensor with the third photoelectric sensor all sets up on the PCB board.

The invention also provides a control method of the knob, which comprises the following steps:

when a user manually rotates a rotating piece, a convex tooth of the rotating piece, which is to be separated from a magnet, is attracted by the magnet to generate rotation resistance, a convex tooth of the rotating piece, which is to be close to the magnet, is attracted by the magnet to generate rotation assistance, each first light blocking part of the rotating piece cuts off a first optical signal of a first photoelectric sensor when passing through the first photoelectric sensor, the first photoelectric sensor generates a first electric signal for control each time the first optical signal is cut off, each first light blocking part of the rotating piece cuts off a second optical signal of a second photoelectric sensor when passing through the second photoelectric sensor, the second photoelectric sensor generates a second electric signal for control each time the second optical signal is cut off, and then the rotation direction of the rotating piece is judged according to the time sequence generated by the first electric signal and the second electric signal, increasing or decreasing the preset parameters of the control target object according to the rotation direction; after a user releases his hand, the tooth-shaped edge portion of the rotating piece, which is closest to the magnet, is attracted by the magnet, so that the rotating piece slightly rotates until the closest tooth just faces the magnet, and at the moment, the first optical signal of the first photoelectric sensor is switched on, and the second optical signal of the second photoelectric sensor is switched on.

The invention also provides a control method of the knob, which comprises the following steps:

when a user manually rotates a rotating piece, a convex tooth of the rotating piece, which is to be separated from a magnet, is attracted by the magnet to generate rotation resistance, a convex tooth of the rotating piece, which is to be close to the magnet, is attracted by the magnet to generate rotation assistance, each first light blocking part of the rotating piece cuts off a first optical signal of a first photoelectric sensor when passing through the first photoelectric sensor, the first photoelectric sensor generates a first electric signal for control each time the first optical signal is cut off, each first light blocking part of the rotating piece cuts off a second optical signal of a second photoelectric sensor when passing through the second photoelectric sensor, the second photoelectric sensor generates a second electric signal for control each time the second optical signal is cut off, and then the rotation direction of the rotating piece is judged according to the time sequence generated by the first electric signal and the second electric signal, increasing or decreasing the preset parameters of the control target object according to the rotation direction; after a user releases his hand, the convex tooth at the tooth-shaped edge part of the rotating piece, which is closest to the magnet, is attracted by the magnet, so that the rotating piece slightly rotates until the closest convex tooth just faces the magnet, and at the moment, the first optical signal of the first photoelectric sensor is switched on, and the second optical signal of the second photoelectric sensor is switched on;

when a user manually presses the rotating piece, the second light blocking part of the rotating piece is close to the third photoelectric sensor, so that the third optical signal of the third photoelectric sensor is cut off, and the third photoelectric sensor generates a second electric signal for control when the third optical signal is cut off; after the user releases his hand, the rotating member is reset under the action of the elastic force of the elastic member, and the second light blocking portion of the rotating member leaves the third photoelectric sensor, so that the third optical signal of the third photoelectric sensor is switched on.

The invention also provides a device comprising a knob as described above.

Compared with the prior art, the invention has the following beneficial effects:

(1) according to the invention, the magnet and the tooth-shaped edge part are in attraction fit, so that the convex teeth of the tooth-shaped edge part which is about to leave the magnet are attracted by the magnet to generate rotation resistance when a user rotates the rotating piece, and the convex teeth of the tooth-shaped edge part which is about to approach the magnet are attracted by the magnet to generate rotation assistance, thereby generating a very interesting experience, having excellent rotation hand feeling and stronger interaction experience feeling; when the user releases his hand, the rotor will rotate slightly, causing the cam with the toothed edge closest to the magnet to rotate to the side of the magnet.

(2) According to the invention, through the matching of the first light blocking part, the first photoelectric sensor and the second photoelectric sensor, when the first light blocking part approaches the first photoelectric sensor, a first optical signal of the first photoelectric sensor is cut off, when the first light blocking part approaches the second photoelectric sensor, a second optical signal of the second photoelectric sensor is cut off, further, a first electric signal and a second electric signal are respectively generated through the change of the first optical signal and the second optical signal, the rotating direction of the rotating member is judged according to the time sequence generated by the first electric signal and the second signal, and then the increase and decrease of the preset parameters of the target object are controlled according to the rotating direction, such as the parameter value is increased clockwise, the parameter value is decreased anticlockwise, and vice versa.

(3) The knob structure of the invention is skillfully designed, and the control method of the invention is simple and easy to implement.

Drawings

Fig. 1 is an assembly view of a structure according to a first embodiment of the present invention.

Fig. 2 is a partial assembly view of the first embodiment of the present invention.

Fig. 3 is an exploded view of a structure according to a first embodiment of the present invention.

Fig. 4 is a schematic diagram illustrating a combination of the optical disc, the first photosensor and the third photosensor according to the first embodiment of the present invention.

The labels in the figure are: 100. a rotating member; 101. a first light blocking portion; 102. a toothed edge portion; 103. a second light blocking part; 110. a knob body; 120. a tooth-shaped sheet; 121. a second central through hole; 122. a first positioning through hole; 130. a light blocking disc; 131. a first central column; 132. a first positioning post; 133. a first central through hole; 134. a first fixing through hole; 140. a central rotating shaft; 141. an annular neck; 200. a fixing member; 201. a first photosensor; 202. a second photosensor; 203. a magnet; 204. a third photosensor; 210. a PCB board; 211. a third central through hole; 212. a second positioning through hole; 213. avoiding holes; 220. a base; 221. a first support column; 222. a central seat bore; 223. a second support column; 224. a second positioning column; 225. a second fixing through hole; 226. a magnet mounting base; 300. an elastic member.

Detailed Description

In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.