CN210573727U

CN210573727U - Input device and electronic product

Info

Publication number: CN210573727U
Application number: CN201921340514.6U
Authority: CN
Inventors: 刘汉峰; 张浩林; 尹嘉雯; 杨浩昌
Original assignee: Varitronix Heyuan Display Technology Co Ltd
Current assignee: Varitronix Heyuan Display Technology Co Ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-19
Anticipated expiration: 2029-08-16

Abstract

The utility model provides an input device and an electronic product, wherein the input device comprises a rotating base, a first induction sheet connected with the rotating base, a second induction sheet connected with the rotating base and a rotating button capable of being electrically communicated with a human body, a first capacitor is arranged between the first induction sheet and a capacitance sensing device, the first capacitor can be changed when the first induction sheet does circular motion, so that the capacitance sensing device acquires a first instruction, and a second capacitor is arranged between the second induction sheet and the capacitance sensing device; the rotary button is provided with a first working position and a second working position, wherein the first working position is arranged at an interval with the second induction sheet, and the second working position is electrically communicated with the second induction sheet; the second capacitor can be changed when the rotating button is touched by a human body and the rotating button is located at the second operation position, so that the capacitor sensing equipment can obtain a second instruction. The input device is convenient for a user to accurately input instructions to the capacitance sensing equipment, and the user is prevented from being distracted by looking over the capacitance sensing equipment in the driving process.

Description

Input device and electronic product

Technical Field

The utility model belongs to the technical field of input device, especially, relate to an input device and electronic product.

Background

With the popularization of the touch virtual input mode, the physical input device still has advantages and unique functions, a user can obtain more real operation experience by operating the physical input device, and input errors possibly generated by input through a touch screen are reduced. At present, a large amount of capacitance sensing equipment is applied to a vehicle-mounted input device, but in the driving process, if a user needs to input an instruction by operating the capacitance sensing equipment, the user needs to look over an option position and perform touch screen operation with a distraction, so that potential safety hazards in the driving process exist, and the user is not convenient to input the instruction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an input device and electronic product aims at solving among the prior art electric capacity sensing equipment and is not convenient for user input instruction and easily makes the user drive the in-process distracted technical problem.

The utility model discloses a realize like this, an input device for connect electric capacity sensing equipment, electric capacity sensing equipment is used for sensing electrostatic capacity, include:

the rotating base is arranged opposite to the capacitance sensing equipment and can rotate around the central axis of the rotating base;

the first induction sheet is connected with the rotating base and arranged at an interval with the capacitance sensing equipment, a first capacitor is arranged between the first induction sheet and the capacitance sensing equipment, the first induction sheet can do circular motion around the central axis along with the rotation of the rotating base, and the first capacitor can change when the first induction sheet does circular motion so that the capacitance sensing equipment can obtain a first instruction;

the second induction sheet is connected to the rotating base and arranged at intervals with the capacitance sensing equipment, and a second capacitor is arranged between the second induction sheet and the capacitance sensing equipment;

a rotary button capable of electrically communicating with a human body and having a first working position spaced apart from the second sensing piece and a second working position electrically communicating with the second sensing piece, the rotary button being capable of reciprocating between the first working position and the second working position;

the second capacitor can be changed when the rotating button is touched by a human body and is located at the second operation position, so that the capacitance sensing equipment acquires a second instruction.

Further, the rotating button is slidably connected to the rotating base and is capable of moving towards or away from the capacitance sensing device, and the second operating position is located between the first operating position and the capacitance sensing device.

Further, the rotary button is electrically connected to the first sensing piece, the first sensing piece has an off state when a human body does not touch the rotary button and an on state when the first capacitance is changed due to the human body touching the rotary button, and the first sensing piece can input the first command to the capacitance sensing device while performing a circular motion and in the on state.

Further, the input device further comprises a fixed base connected to the capacitance sensing device, and the rotating base is rotatably connected to the fixed base.

Further, unable adjustment base is the cyclic annular, rotatory base cup joint in unable adjustment base, rotatory button is located rotatory base and is deviated from one side of electric capacity sensing equipment.

Further, the input device further comprises a first elastic member for connecting and electrically conducting the rotary button and the first sensing piece, wherein the first elastic member has a compressed state in which an external force is applied and the rotary button is in the second working position, and a released state in which the external force is removed and the rotary button is in the first working position.

Furthermore, the rotating base faces the capacitance sensing device, a containing groove extending annularly is formed in the capacitance sensing device, the rotating button cover is arranged on the containing groove, the input device further comprises a second elastic piece used for connecting the rotating base and the rotating button, the second elastic piece has conductivity and is electrically communicated with the rotating button, and the first elastic piece and the second elastic piece are both located in the containing groove.

Further, the input device further comprises a contact piece connected to the second elastic member and electrically communicated with the rotary button, and the rotary base can drive the contact piece to move towards the second sensing piece when moving from the first working position to the second working position and make the contact piece and the second sensing piece electrically communicated when being at the second working position.

Furthermore, a plurality of positioning grooves are formed in the circumferential direction of the outer ring wall of the fixed base, the plurality of positioning grooves are circumferentially arranged at intervals along the outer ring wall of the fixed base, the input device further comprises a positioning element which is connected to the inner ring wall of the rotating base and is matched with the positioning grooves, and the positioning element comprises a positioning block matched with the positioning grooves and a third elastic element which is used for connecting the positioning block with the inner ring wall of the rotating base.

The utility model also provides an electronic product, including electric capacity sensing equipment and as above input device.

The utility model discloses technical effect for prior art is: the input device of the utility model enables the first induction sheet to do circular motion along with the rotation of the rotating base by arranging the rotating base which can rotate around the central axis, a first capacitor exists between the first induction sheet and the capacitance sensing equipment, when a user rotates the rotating base, the first induction sheet does circular motion, the first capacitor changes due to the position movement of the first induction sheet, the capacitance sensing equipment can obtain a first instruction by sensing the change of the first capacitor, a second capacitor exists between the second induction sheet and the capacitance sensing equipment, the rotating button is provided with a first operation position and a second operation position, when the user contacts the rotating button and presses the rotating button from the first operation position to the second operation position, the rotating button is electrically communicated with the second induction sheet, because the electric quantity of the second induction sheet changes due to the electric communication between the human body and the rotating button, thereby causing the second capacitance to change, the capacitance sensing device being capable of acquiring the second instruction by sensing the change in the second capacitance. The input device is convenient for a user to accurately input instructions to the capacitance sensing equipment, and the user is prevented from being distracted by looking over the capacitance sensing equipment in the driving process.

Drawings

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

Fig. 1 is a three-dimensional structure diagram of an input device according to an embodiment of the present invention;

fig. 2 is an exploded view of an input device provided in an embodiment of the present invention;

fig. 3 is a cross-sectional view of a cross-section of an input device according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of another cross-section of an input device according to an embodiment of the present invention.

Description of reference numerals:

10. rotating the base; 101. a containing groove; 102. a chute; 20. rotating the button; 21. a sliding connection block; 30. a fixed base; 301. positioning a groove; 40. a first sensing piece; 50. a second sensing piece; 61. a first elastic member; 62. a second elastic member; 63. a contact piece; 64. snap dome; 70. a positioning member; 71. positioning blocks; 72. a third elastic member; 80. position limiting piece

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

An embodiment of the utility model provides an input device for connect electric capacity sensing equipment, electric capacity sensing equipment is used for sensing electrostatic capacitance. In an embodiment of the present invention, the capacitance sensing device is a touch screen.

Referring to fig. 1 and 2, the input device includes a rotating base 10 disposed opposite to the capacitance sensing device, a fixed base 30 connected to the rotating base 10, a first sensing piece 40 connected to the rotating base 10, a second sensing piece 50 connected to the rotating base 10, a rotating button 20 capable of electrically communicating with a human body, a first elastic member 61 for connecting and electrically communicating the rotating button 20 and the first sensing piece 40, a second elastic member 62 for connecting the rotating button 20 and the rotating base 10, a contact piece 63 connected to the second elastic member 62 and electrically communicating with the rotating button 20, a snap sheet 64 connected to the contact piece 63, a positioning member 70 connected to the rotating base 10 and abutting against the fixed base 30, and a limiting member 80 sleeved on the first elastic member 61 and/or the second elastic member 62.

Referring to fig. 2, the rotating base 10 can rotate around a central axis thereof, the first sensing piece 40 and the second sensing piece 50 can both move circularly around the central axis along with the rotation of the rotating base 10, a first capacitor is disposed between the first sensing piece 40 and the capacitance sensing device, a second capacitor is disposed between the second sensing piece 50 and the capacitance sensing device, and the first sensing piece 40 and the second sensing piece 50 are preferably disposed on one side of the rotating base 10 facing the capacitance sensing device, so as to prevent the rotating base 10 from blocking the sensing of the first capacitor and the second capacitor by the capacitance sensing device. Preferably, the rotating base 10 includes a screw portion for screwing and a base portion for connecting the first sensing piece 40 and the second sensing piece 50.

First response piece 40 and capacitance sensing equipment and second response piece 50 and capacitance sensing equipment all prefer the interval setting, can keep the stability of first electric capacity like this, can also prevent that capacitance sensing equipment from receiving to press or colliding with and leading to the maloperation. The first capacitance can be changed when the first sensing piece 40 makes a circular motion, so that the capacitance sensing device acquires a first command. At this time, neither the first sensing piece 40 nor the second sensing piece 50 has any direct electrical contact with the capacitive sensing device, and is non-contact. The capacitance sensing device sends out a first instruction based on the change of the first capacitance, the change of the first capacitance can be caused by the position change of the first sensing piece 40, the distance change between the first sensing piece 40 and the capacitance sensing device or whether the first sensing piece 40 is grounded, and the capacitance sensing device can obtain the change information of the rotation action, the movement direction or the movement amplitude of the first sensing piece 40 through the change of the first capacitance, so that different first instructions are obtained, and the diversification of operation commands is realized.

The rotary button 20 has a first operation position spaced apart from the second sensing piece 50 and a second operation position electrically connected to the second sensing piece 50, the rotary button 20 is capable of reciprocating between the first operation position and the second operation position, the rotary button 20 is preferably slidably coupled to the rotary base 10 such that a movement path of the rotary button 20 is fixed, and the second sensing piece 50 is located on a sliding path of the rotary button 20 to prevent contact with the second sensing piece 50 from being deviated. The position of the rotary base 10, i.e., the position of the second sensing piece 50, is not changed during the sliding of the rotary button 20. More preferably, the rotary button 20 is movable towards and away from the capacitive sensing device, the second working position being located between the first working position and the capacitive sensing device. In this way, the rotary button 20 is moved from the first working position to the second working position by the user's pressing operation, which is more suitable for the user's usage habit.

The second capacitor can be changed when the human body touches the rotary button 20 and the rotary button 20 is at the second operation position, so that the capacitive sensing device obtains the second instruction. The second capacitance is changed due to a change in the self-power of the second sensing piece 50 after the human body touches. In order to electrically conduct the rotary knob 20, the rotary knob 20 is made of a conductive metal material.

The input device of the utility model is provided with the rotating base 10 which can rotate around the central axis, so that the first induction sheet 40 can do circular motion along with the rotation of the rotating base 10, a first capacitor exists between the first induction sheet 40 and the capacitance sensing device, when a user rotates the rotating base 10, the first induction sheet 40 does circular motion, the first capacitor changes due to the position movement of the first induction sheet 40, the capacitance sensing device can obtain a first instruction by sensing the change of the first capacitor, a second capacitor exists between the second induction sheet 50 and the capacitance sensing device, the rotating button 20 is provided with a first operation position and a second operation position, when the user contacts the rotating button 20 and presses the rotating button 20 from the first operation position to the second operation position, the rotating button 20 is electrically communicated with the second induction sheet 50, because the electric quantity of the second induction sheet 50 is changed due to the electric communication between the human body and the rotating button 20, thereby causing the second capacitance to change, the capacitance sensing device being capable of acquiring the second instruction by sensing the change in the second capacitance. The input device is convenient for a user to accurately input instructions to the capacitance sensing equipment, and the user is prevented from being distracted by looking over the capacitance sensing equipment in the driving process.

The input device controls the capacitance sensing equipment to obtain the first instruction or the second instruction through the first capacitor and the second capacitor, and no electric contact exists between the capacitance sensing equipment and the input device, so that an external power supply or an electric wire is not required to be added, the input device is not required to be electrified, the process cost is saved, the structure is simple, and the processing is easy.

Specifically, the first command may be a calibration parameter value. In one embodiment, when the first sensing piece 40 rotates clockwise relative to the capacitance sensing device, the capacitance sensing device obtains an increasing instruction of a certain parameter, and when the first sensing piece rotates counterclockwise, the capacitance sensing device obtains a decreasing instruction of a certain parameter, wherein the certain parameter may be volume, temperature, brightness, etc. In another embodiment, the capacitance sensing device can obtain an instruction for inputting a certain value through the relative position of the first sensing piece 40 on the rotation track, and when the first sensing piece 40 moves from one position to another position, the capacitance sensing device switches the certain value to be input of another value. It should be noted that the first instruction includes, but is not limited to, the above embodiments.

In particular, the second instruction may be a handover parameter category. In the present embodiment, when the rotary button 20 moves from the first position to the second position, the capacitance sensing device obtains an instruction for switching the volume adjustment to the temperature adjustment, and at this time, whether the user presses the rotary button 20 or not, the user will adjust the value of the switched parameter type when rotating the rotary button 20. It should be noted that the second instruction includes, but is not limited to, the above embodiment.

The sample input device realizes the transmission of a plurality of instructions through two different operation modes of pressing and screwing, and simultaneously realizes the switching of parameter types and the adjustment of parameter values.

Preferably, the rotary button 20 is electrically connected to the first sensing piece 40 at all times, the first sensing piece 40 has an off state when the human body does not touch the rotary button 20 and an on state when the first capacitance is changed due to the touch of the human body on the rotary button 20, and the first sensing piece 40 can input a first command to the capacitance sensing device while making a circular motion and being in the on state. It can be understood that, the touch of the human body to the rotary button 20 can realize the switching of the first sensing piece 40 from the off state to the on state, when the human body leaves the rotary button 20, the first sensing piece 40 is switched from the on state to the off state, the human body can be electrically conducted with the first sensing piece 40 by the contact of the human body to the rotary button 20, so that the electric quantity of the first sensing piece 40 changes, the capacitance between the first sensing piece 40 and the capacitance sensing device changes accordingly, the capacitance sensing device learns that the first sensing piece 40 is in the on state by sensing the change, at this moment, the capacitance sensing device enters the standby working state and starts to sense the change of the first capacitance and the first capacitance.

The first sensing piece 40 and the second sensing piece 50 can be provided in plurality, so that the normal operation of the input device is not affected when one of the first sensing piece and the second sensing piece is in poor contact.

Referring to fig. 1, the fixing base 30 is preferably ring-shaped, so that a central hole of the fixing base 30 penetrates through the capacitance sensing device, and when the capacitance sensing device is a touch screen, a user can perform a touch screen operation or view display information on the touch screen through the central hole. In other embodiments, the central hole portion may also be provided with a transparent plate to enable a user to control the touch screen or view displayed information while increasing the connection area of the fixing base 30 and the touch screen. The thickness of the transparent plate is subject to the condition that the touch of a user on the touch screen is not influenced.

Referring to fig. 2 and 4, the rotating base 10 is sleeved on an outer annular wall of the fixed base 30, and an outer wall surface of the rotating base 10 is a rough surface, so that a user can perform a rotating operation and increase a friction force between a finger and the rotating base 10. The rotary button 20 protrudes from a side of the rotary base 10 facing away from the capacitance sensing device to facilitate pressing operation by a user. Preferably, the rotating base 10 is provided with a receiving groove 101 facing the capacitance sensing device, the receiving groove 101 extends along the axial direction of the rotating base 10 and is annular, and the rotating button 20 covers the receiving groove 101 to prevent water or dust from falling into the receiving groove 101. The inside wall of storage tank 101 sets up along its spout 102 that sets up the direction extension, and rotating button 20 is equipped with the sliding connection piece 21 with spout 102 sliding connection, the width and the spout 102 adaptation of sliding connection piece 21 to make rotating base 10 can drive rotating button 20 rotatory, the head and the tail both ends of spout 102 are the motion terminal point of sliding connection piece 21, prevent rotating button 20 and rotating base 10 slippage.

Referring to fig. 2, the connection line of the first sensing piece 40 and the second sensing piece 50 is preferably intersected with the central axis, that is, the first sensing piece 40 and the second sensing piece 50 are disposed at two opposite positions of the rotating base 10, so that the distance between the two sensing pieces is farthest, thereby preventing the capacitance sensing device from generating large interference or error in sensing the capacitance of the two sensing pieces.

Referring to fig. 2 and 3, the first elastic element 61 is located in the receiving groove 101, one end of the first elastic element is connected to the rotary button 20, and the other end of the first elastic element is connected to the first sensing piece 40, and the first elastic element 61 has a compressed state in which an external force is applied and the rotary button 20 is located at the second operation position, and a released state in which the external force is removed and the rotary button 20 is located at the first operation position. When the user presses the rotary button 20 and moves the rotary button from the first working position to the second working position, the first elastic member 61 is in a compressed state, when the user removes the external force, the first elastic member 61 is switched from the compressed state to a released state, the rotary button 20 automatically returns from the second working position to the first working position under the action of the elastic restoring force, and the first elastic member 61 facilitates the user to operate the rotary button 20. Like this first elastic component 61 just rotates with rotating base 10 and rotating button 20 simultaneously, and the transmission structure who has been used for connecting rotating button 20 and first response piece 40 is usually located between unable adjustment base 30 and rotating base 10, and this often can increase rotating base 10 when rotatory and the frictional force between unable adjustment base 30, causes rotatory difficulty, and the utility model discloses this kind of first elastic component 61 and rotating button 20 and the setting of rotating base 10 synchronous revolution have reduced the frictional force between rotating base 10 and unable adjustment base 30, are favorable to the user to twist and twist the operation. The rotary button 20 covers the receiving groove 101, and plays a role in preventing water and dust for the first elastic member 61. Accordingly, in the present embodiment, the first sensing piece 40 is disposed below the rotating base 10, and in order not to hinder the rotation of the rotating base 10 relative to the fixed base 30, the first sensing piece 40 is disposed outside the fixed base 30 and is offset from the fixed base 30 in the axial direction.

Referring to fig. 2 and 3, the second elastic member 62 is disposed in the receiving groove 101 and is used for supporting the rotary button 20 to prevent the rotary button 20 from moving to the second working position under the action of gravity without being controlled by a user and causing an erroneous operation, and the second elastic member 62 also serves to drive the rotary button 20 to move from the second working position to the first working position.

Referring to fig. 2, the second elastic member 62 is conductive and electrically connected to the rotary button 20, the contact piece 63 has a certain elasticity and is connected to the bottom of the receiving groove 101 and abuts against the second elastic member 62, to increase the electrically conductive area of the second elastic member 62, the snap tabs 64 are electrically conducted and connected to the contact pieces 63, which is arranged at an interval with the second induction sheet 50, the cavity wall of the containing cavity is convexly provided with a pressing block, when the rotating button 20 moves from the first working position to the second working position, the pressing block can press the snap dome 64 and make the snap dome 64 abut against the second sensing piece 50, so as to realize the electrical conduction between the rotary button 20 and the second sensing piece 50, when the rotary knob 20 is restored from the second working position to the first working position by the second elastic member 62, the pressing block is far away from the snap dome 64, and the snap dome 64 is separated from the second sensing piece 50 under the elastic restoring force of the contact piece 63. The snap dome 64 may be located on an extension line of the second elastic member 62, or may be disposed in a staggered manner with respect to the second elastic member 62 to prevent a malfunction or an influence on the capacitance of the second sensing piece 50.

Referring to fig. 2, preferably, the first elastic member 61 and the second elastic member 62 are both springs. Referring to fig. 3, the position-limiting member 80 is tubular and is provided with an accommodating groove 101, the first elastic member 61 and the second elastic member 62 are both located in the position-limiting member 80, and the position-limiting member 80 limits the first elastic member 61 and the second elastic member 62 to prevent the first elastic member 61 and the second elastic member 62 from bending and deforming, so that the first elastic member and the second elastic member have better supporting force.

Referring to fig. 2, preferably, the outer circumferential wall of the fixed base 30 is circumferentially provided with a plurality of positioning grooves 301, the plurality of positioning grooves 301 are circumferentially spaced along the outer circumferential wall of the fixed base 30, referring to fig. 2 and 4, the positioning element 70 is connected to the inner circumferential wall of the rotating base 10 and is adapted to the positioning grooves 301, the positioning element 70 includes a positioning block 71 adapted to the positioning grooves 301 and a second elastic element 62 for connecting the positioning block 71 and the inner circumferential wall of the rotating base 10, and the positioning block 71 can be sequentially abutted to the plurality of positioning grooves 301 when the rotating base 10 rotates by compressing and releasing the second elastic element 62.

Please refer to fig. 4, the end surface of the positioning block 71 facing the fixing base 30 is an arc-shaped surface, the cross section of the positioning slot 301 is also arc-shaped, the arc-shaped arrangement guides the sliding-out of the positioning block 71 in the positioning slot 301, when the user rotates the rotating base 10, the positioning block 71 slides out of the positioning slot 301, the second elastic element 62 compresses and generates an elastic restoring force pushing the positioning block 71 to reset, when the positioning block 71 slides to the next positioning slot 301, the second elastic element 62 releases the elastic restoring force, the positioning block 71 slides into the positioning slot 301 to be inserted into the positioning slot 301, the insertion of the positioning slot 301 and the positioning block 71 plays a positioning role in the rotating base 10, so that the rotating base 10 has a plurality of positioning points, and the control feeling and hand feeling of the. The embodiment of the utility model provides an in, 30 constant head tanks 301 have been seted up to unable adjustment base 30 circumference, and the switching angle of every setpoint is 12, has realized rotating base 10's fine setting.

The utility model also provides an electronic product, including the input device in electric capacity sensing equipment and the above-mentioned embodiment. The input device has the same structural features as those of the input devices in the above embodiments, and the functions of the input device are the same, which are not described herein again.

The electronic product realizes the multidimensional control of a single button by arranging the input device, and by arranging the capacitance sensing equipment, a single sensing system uniformly senses multidimensional input, and various actions of countless devices are distinguished through the change of capacitance so as to recognize various commands.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An input apparatus for connecting a capacitance sensing device for sensing electrostatic capacitance, comprising:

2. An input device as described in claim 1, wherein the swivel button is slidably coupled to the swivel base and movable toward and away from the capacitive sensing device, and the second operating position is between the first operating position and the capacitive sensing device.

3. The input device as claimed in claim 1, wherein the rotary button is electrically connected to the first sensing piece, the first sensing piece has an off state when a human body does not touch the rotary button and an on state when the first capacitance is changed due to the human body touching the rotary button, and the first sensing piece is capable of inputting the first command to the capacitance sensing apparatus while making a circular motion and in the on state.

4. An input device as described in claim 1, further comprising a stationary base coupled to the capacitive sensing apparatus, the rotating base being pivotally coupled to the stationary base.

5. The input device as in claim 4, wherein the fixed base is ring-shaped, the rotating base is coupled to the fixed base, and the rotating button is disposed on a side of the rotating base facing away from the capacitance sensing device.

6. The input device as recited in claim 1, further comprising a first resilient member for connecting and electrically connecting the rotary button and the first sensing tab, the first resilient member having a compressed state in which an external force is applied and the rotary button is in the second operating position and a released state in which the external force is removed and the rotary button is in the first operating position.

7. The input device as claimed in claim 6, wherein the rotation base has a receiving slot extending annularly toward the capacitance sensing device, the rotation button is covered in the receiving slot, the input device further comprises a second elastic member for connecting the rotation base and the rotation button, the second elastic member is conductive and electrically connected to the rotation button, and the first elastic member and the second elastic member are both located in the receiving slot.

8. The input device as recited in claim 7, further comprising a contact plate connected to said second resilient member and in electrical communication with said rotary button, said rotary base being capable of driving said contact plate toward said second sensing plate when moving from said first operating position to said second operating position and electrically communicating said contact plate with said second sensing plate when in said second operating position.

9. The input device as claimed in claim 5, wherein the outer circumferential wall of the fixed base has a plurality of positioning slots formed therein at intervals along the circumferential direction of the outer circumferential wall of the fixed base, the input device further comprises a positioning element connected to the inner circumferential wall of the rotatable base and adapted to the positioning slots, the positioning element comprises a positioning block adapted to the positioning slots and a third elastic element for connecting the positioning block to the inner circumferential wall of the rotatable base.

10. An electronic product, comprising a capacitive sensing device and an input apparatus as claimed in any one of claims 1 to 9.