CN111522457A - Touch screen control device and touch screen assembly - Google Patents
Touch screen control device and touch screen assembly Download PDFInfo
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- CN111522457A CN111522457A CN201910106879.0A CN201910106879A CN111522457A CN 111522457 A CN111522457 A CN 111522457A CN 201910106879 A CN201910106879 A CN 201910106879A CN 111522457 A CN111522457 A CN 111522457A
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- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005096 rolling process Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
The invention discloses a touch screen control device, which comprises: the fixing seat is used for being fixed on the touch screen; the rotating piece is sleeved on the fixed seat and is rotatably connected with the fixed seat by taking a central shaft of the fixed seat as a rotating shaft, the rotating piece is provided with a first conductive contact, and the first conductive contact is used for sliding on the touch screen along with the rotation of the rotating piece; the fixing seat is in a hollow form, and the touch screen is visible corresponding to the hollow part of the fixing seat. The invention also discloses a touch screen assembly. The touch screen control device is installed on the touch screen through the fixing seat, when a user operates the rotating piece to rotate by taking the central shaft of the fixing seat as a rotating shaft, the first conductive contact slides on the touch screen, the first conductive contact realizes corresponding touch operation on the touch screen, and the user can operate a specific function on the touch screen under the condition of not observing the touch screen.
Description
Technical Field
The invention relates to the technical field of electronic equipment, in particular to a touch screen control device and a touch screen assembly.
Background
With the progress of science and technology, touch screens have been widely applied to various electronic devices or systems, such as smart phones, tablet computers, vehicle-mounted electronic display screens, and the like, due to the convenience of operation.
In the prior art, when a user operates application software, the user needs to watch a screen by eyes to find a corresponding touch position, the operation is inconvenient, and particularly, for a vehicle-mounted electronic display screen, a driver can bring certain potential safety hazards due to distraction of the screen.
Disclosure of Invention
The invention provides a touch screen control device and a touch screen assembly, which aim to solve the problem of inconvenient operation caused by the fact that a touch screen cannot be operated blindly in the prior art.
To solve the above problem, in one aspect, the present invention provides a touch screen control device, including:
the fixing seat is used for being fixed on the touch screen;
the rotating piece is sleeved on the fixed seat and is rotatably connected with the fixed seat by taking a central shaft of the fixed seat as a rotating shaft, the rotating piece is provided with a first conductive contact, and the first conductive contact is used for sliding on the touch screen along with the rotation of the rotating piece; the fixing seat is in a hollow form, and the touch screen is visible corresponding to the hollow part of the fixing seat.
The touch screen control device is installed on the touch screen through the fixing seat, when a user operates the rotating piece to rotate by taking the central shaft of the fixing seat as a rotating shaft, the first conductive contact slides on the touch screen, the first conductive contact realizes corresponding touch operation on the touch screen, the user can operate a specific function on the touch screen under the condition of not observing the touch screen, the operation mode is simple and convenient, and the implementation cost is low.
In one embodiment, the touch screen control device further includes a conductive coil, the conductive coil is fixed on the fixing base, and the conductive coil is used for sensing with the touch screen.
After the conductive coil contacts the touch screen, the controller can identify the position of the touch screen control device, a user does not need to find a specific position to install the touch screen control device, the installation mode is simple, the user can place the touch screen control device according to own preference and habit, and user experience is improved.
In one embodiment, the central axis of the conductive coil coincides with the rotation axis of the rotating member. When the first conductive contact moves, the distance between the first conductive contact and the edge of the functional area is unchanged, so that the situation that the identification effect is poor due to the fact that the first conductive contact moves out of the functional area is avoided.
In one embodiment, the touch screen control device further includes a sliding member, the sliding member is slidable relative to the fixing base, the sliding member is provided with a second conductive contact, and the second conductive contact can be far away from or close to the touch screen.
The motion process of the sliding part and the second conductive contact is similar to that of a button, clicking operation can be performed on the touch screen, the function of the touch screen control device is increased, various different operations can be realized by combining the functions of the first conductive contact and the second conductive contact, and the function diversification of the touch screen control device is improved.
In one embodiment, the sliding member is sleeved on the fixing seat and slidably connected to the rotating member. By rotating the rotating piece, the second conductive contact can be adjusted to a specific position and then the sliding piece is pressed, so that the second conductive contact can be clicked for touch control. The second conductive contact can be clicked at different positions of the touch screen to provide different operation information.
In one embodiment, the fixing seat is provided with a first accommodating hole, and the conductive coil is located in the first accommodating hole. The conductive coil is simple in installation mode, and the movement of the rotating piece and the sliding piece is not influenced.
In one embodiment, the sliding member is located in the hollow portion of the fixing base and is slidably connected to the fixing base. The second conductive contact is fixedly contacted with a certain specific position of the touch screen, namely the second conductive contact clicks the certain specific position of the touch screen, and specific operation is carried out in a button mode by setting the function of the touch screen corresponding to the clicked area.
In one embodiment, a groove is formed in one side end face of the fixing seat, and the conductive coil is fixed in the groove. The conductive coil is simple in installation mode, and the movement of the rotating piece and the sliding piece is not influenced.
On the other hand, the invention provides a touch screen assembly, which comprises a touch screen and a touch screen control device, wherein the fixed seat is detachably fixed on the touch screen, and the first conductive contact slides on the touch screen along with the rotation of the rotating piece.
The touch screen control device is installed on the touch screen through the fixing seat, when a user operates the rotating piece to rotate by taking the central shaft of the fixing seat as a rotating shaft, the first conductive contact slides on the touch screen, the first conductive contact realizes corresponding touch operation on the touch screen, the user can operate a specific function on the touch screen under the condition of not observing the touch screen, the operation mode is simple and convenient, and the implementation cost is low.
In one embodiment, an orthographic projection part of the rotating member on a plane where a touch surface of the touch screen is located on the touch surface. The shielding of the touch screen control device on the touch screen can be reduced, so that the touch screen can provide a larger display area.
In one embodiment, the cross section of the rotating member is circular, the number of the first conductive contacts is multiple, the multiple first conductive contacts are distributed on the rotating member at equal intervals, and the orthographic projection part of at least one first conductive contact on the plane where the touch surface of the touch screen is located on the touch surface. In the rotating process of the rotating piece, at least one first conductive contact is located on the touch screen, and the use is prevented from being influenced by the condition of breaking contact.
In one embodiment, the touch screen includes a plurality of touch units arranged in an array, and a size of an orthographic projection of the first conductive contact on the touch surface of the touch screen is not smaller than a size of the touch unit. So that the touch screen can recognize the second conductive contact.
The invention has the following beneficial effects: the touch screen control device is installed on the touch screen through the fixing seat, when a user operates the rotating piece to rotate by taking the central shaft of the fixing seat as a rotating shaft, the first conductive contact slides on the touch screen, the first conductive contact realizes corresponding touch operation on the touch screen, the user can operate a specific function on the touch screen under the condition of not observing the touch screen, the operation mode is simple and convenient, and the implementation cost is low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 other obvious modifications can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a top view of a touch screen control device according to an embodiment of the invention.
Fig. 2 is a sectional view taken along the line a-a in fig. 1.
Fig. 3 is a schematic view illustrating a touch screen control device installed on a touch screen according to an embodiment of the present invention.
FIG. 4 is a cross-section taken along the line A-A of a touch screen control device according to an embodiment.
FIG. 5 is a top view of a touch screen control device according to an embodiment.
FIG. 6 is a top view of a touch screen control device according to another embodiment.
Fig. 7 is a top view of a touch screen control device according to a second embodiment of the present invention.
Fig. 8 is a sectional view taken along the line B-B of fig. 7.
Fig. 9 is a schematic view illustrating a touch screen control device installed on a touch screen according to a second embodiment of the present invention.
Fig. 10 is a top view of a touch screen control device according to a third embodiment of the present invention.
FIG. 11 is a cross-sectional view of the touch screen control device in the C-C direction when the slider is close to the touch screen.
FIG. 12 is a cross-sectional view of the touch screen control device in a C-C direction when the slider is away from the touch screen.
Fig. 13 is a top view of a touch screen control device according to a fourth embodiment of the present invention.
FIG. 14 is a cross-sectional view of the touch screen control device in the D-D direction.
Fig. 15 is a side view of a touch screen assembly according to an embodiment of the invention.
Fig. 16 is a top view of a touch screen assembly according to an embodiment of the invention.
FIG. 17 is a top view of a touch screen assembly in accordance with one embodiment.
FIG. 18 is a top view of a touch screen assembly in accordance with one embodiment.
FIG. 19 is a top view of a touch screen assembly in accordance with one embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The touch screen control device provided by the embodiment of the invention is applied to touch screen equipment and is used for realizing functions of knobs, buttons and the like. Specifically, the touch screen on the touch screen device is a capacitive touch screen, and the touch screen may be a touch screen only used for implementing touch operation or a touch screen integrated with a display function. The touch screen device includes, but is not limited to, a mobile phone, a tablet computer, a vehicle-mounted touch display device, and the like.
Referring to fig. 1 to fig. 3, in which fig. 1 is a top view of a touch screen control device 100 according to an embodiment of the present invention, fig. 2 is a sectional view taken along the direction a-a of fig. 1, and fig. 3 is a schematic view illustrating the touch screen control device 100 mounted on a touch screen 200 according to an embodiment of the present invention.
In this embodiment, the touch screen control device 100 includes a fixing base 10 and a rotating member 20, the fixing base 10 is used for being fixed on the touch screen 200, the rotating member 20 is sleeved on the fixing base 10, and the rotating member 20 is rotatably connected to the fixing base 10 by using a central axis of the fixing base 10 as a rotating axis, the rotating member 20 is provided with a first conductive contact 32, and the first conductive contact 32 is used for sliding on the touch screen 200 along with the rotation of the rotating member 20.
Specifically, the fixing base 10 is cylindrical, and the rotating member 20 is sleeved outside the fixing base 10 and can rotate by using the central shaft of the fixing base 10 as a rotating shaft. In one embodiment, the inner surface of the rotating member 20 contacts the outer surface of the fixing base 10, and the rotating shaft of the rotating member 20 is limited to be fixed to the central shaft of the fixing base 10. Further, when the rotating member 20 rotates, sliding friction occurs between the inner surface of the rotating member 20 and the outer surface of the fixing seat 10, or a bearing is disposed on the inner surface of the rotating member 20 or the outer surface of the fixing seat 10, so that when the rotating member 20 rotates, rolling friction occurs between the inner surface of the rotating member 20 and the outer surface of the fixing seat 10, and mutual friction between the rotating member 20 and the fixing seat 10 is reduced. In another embodiment, one of the inner surface of the rotary member 20 and the outer surface of the fixed base 10 is provided with a guide rail, and the other is provided with a slider engaged with the guide rail, and the slider slides on the guide rail to rotate the rotary member 20 along the extending direction of the guide rail.
Referring to fig. 2 and 3, in the present embodiment, the first conductive contact 32 is a conductive electrode made of a metal material, the first conductive contact 32 is located at one axial end of the rotating element 20, for example, the first conductive contact 32 may be a metal sheet adhered to an axial end face of the rotating element 20. The number of the first conductive contacts 32 may be one or more. The first conductive contact 32 is used for contacting the touch screen 200, the principle of the first conductive contact 32 for controlling the touch screen 200 is the same as that of a finger contacting the touch screen 200, the first conductive contact 32 and the touch surface form a coupling capacitor, because the first conductive contact 32 is connected with a high-frequency signal, a very small current is absorbed by the first conductive contact 32, the current respectively flows out from the electrodes on the four corners of the screen, theoretically, the current flowing through the four electrodes is proportional to the distance from the first conductive contact 32 to the four corners, and the controller obtains the position by precisely calculating the proportion of the four currents. Further, when the rotating member 20 rotates, the first conductive contact 32 slides on the touch screen 200 along with the rotation of the rotating member 20, the touch screen 200 calculates the rotation direction of the rotating member 20 according to the motion track of the first conductive contact 32, reports the corresponding coordinates to the controller, and the controller controls the device to perform corresponding adjustment and display actions. In this embodiment, the sliding track of the first conductive contact 32 is arc-shaped, and functions like a knob, and can be used for adjusting the function parameters of the device, such as volume and temperature, which can be linearly changed.
The touch screen control device 100 is installed on the touch screen 200 through the fixing base 10, when the user operates the rotating member 20 to rotate by taking the central shaft of the fixing base 10 as a rotating shaft, the first conductive contact 32 slides on the touch screen 200, the first conductive contact 32 realizes corresponding touch operation on the touch screen 200, the user can operate a specific function on the touch screen 200 under the condition of not observing the touch screen 200, the operation mode is simple and convenient, and the implementation cost is low. Further, when the touch screen control device is applied to the vehicle-mounted touch display device, a user can blindly operate the touch screen control device 100, driving of the vehicle by the user is not affected, and potential safety hazards are avoided.
In one embodiment, a suction cup is disposed at one end of the fixing base 10, and the suction cup is used for being adsorbed on the touch screen 200, so that the touch screen control device 100 is fixed on the touch screen 200. Further, the suction cup can repeatedly fix or peel off the touch screen 200, and is convenient to detach and install.
Referring to fig. 2, in an embodiment, the touch screen control device 100 is a hollow structure, that is, the fixing base 10 is hollow, and the touch screen 200 is visible corresponding to the hollow portion of the fixing base 10. Specifically, the fixing base 10 is provided with a first accommodating hole 42, the first accommodating hole 42 penetrates through the rotating member 20 along the axial direction of the fixing base 10, the rotating member 20 is provided with a second accommodating hole 44, the second accommodating hole 44 penetrates through the rotating member 20 along the axial direction of the rotating member 20, the fixing base 10 is located in the second accommodating hole 44, and the first accommodating hole 42 is communicated with the second accommodating hole 44. The first and second receiving holes 42 and 44 form a hollow portion of the touch screen control device 100, in other words, image light displayed on the touch screen 200 passes through the touch screen control device 100 through the first and second receiving holes 42 and 44 in sequence, so as to be observed. Further, the touch screen 200 may display the currently adjusted parameter type corresponding to the hollow portion to play a role of identification, or display the currently adjusted parameter size, so as to facilitate observation by the user.
Referring to fig. 4, in another embodiment, the touch screen control device 100 may also be a solid structure, that is, the second receiving hole 44 is a blind hole, and the second receiving hole 44 does not penetrate through an end surface of the rotating member 20 on a side away from the touch screen 200. On one hand, the structural stability of the touch screen control device 100 is enhanced, and on the other hand, the deposition of a gray layer and the like in the second accommodating hole 44 can be prevented.
In the present embodiment, the cross-sectional shape of the rotary member 20 is not limited. Specifically, as shown in fig. 1, the cross section of the rotating member 20 may be circular, as shown in fig. 5, the cross section of the rotating member 20 may also be square, as shown in fig. 6, the cross section of the rotating member 20 may also be fan-shaped, and the like.
Fig. 7 to 9 are also shown, in which fig. 7 is a top view of the touch screen control device 100 according to the second embodiment of the present invention, fig. 8 is a cross-sectional view taken along the direction B-B of fig. 7, and fig. 9 is a schematic view of the touch screen control device 100 installed on the touch screen 200 according to the second embodiment of the present invention.
The touch screen control device 100 provided in the second embodiment of the present invention is substantially the same as the first embodiment, except that the touch screen control device 100 further includes a conductive coil 50, the conductive coil 50 is located in the first accommodating hole 42, and the conductive coil 50 is used for sensing the touch screen 200. Specifically, the conductive coil 50 may be an annular coil formed by winding a metal wire, when the fixing base 10 is fixed on the touch screen 200, the conductive coil 50 contacts the touch screen 200, the touch screen 200 recognizes a signal of the conductive coil 50, the controller controls an area of the touch screen 200, which is a certain area and centered on the conductive coil 50, to form a functional area through calculation of an algorithm, and the touch screen 200 recognizes movement of the first conductive contact 32 in the functional area.
Specifically referring to fig. 8, in this embodiment, a central axis of the conductive coil 50 coincides with a rotation axis of the rotating member 20, a center of a circle of an orthographic projection of the rotating member 20 on the touch surface of the touch screen 200 coincides with a center of a circle of the functional area, a motion trajectory of the first conductive contact 32 is an arc centered on the center of the circle, and when the first conductive contact 32 moves, a distance between the first conductive contact 32 and an edge of the functional area is not changed, so that a situation that the recognition effect is not good when the first conductive contact 32 moves out of the functional area is avoided.
In this embodiment, the conductive coil 50 is annular, and image light displayed by the touch screen 200 may pass through the touch screen control device 100 sequentially through the center of the conductive coil 50 and the second receiving hole 44, so that the image light may be observed and the shielding of the touch screen control device 100 on the display area of the touch screen 200 may be reduced.
Touch screen control device 100 can be installed at any position of touch screen 200 through fixing base 10, and after conductive coil 50 contacts touch screen 200, the controller can identify the position of touch screen control device 100, and the user need not to look for specific position and install touch screen control device 100, and the mounting means is simple to the user can place touch screen control device 100 according to own hobby and custom, has improved user experience.
Referring to fig. 10 to 12 together, fig. 10 is a top view of a touch screen control device 100 according to a third embodiment of the present invention, and fig. 11 and 12 are cross-sectional views taken along the direction C-C of fig. 10.
The touch screen control device 100 provided by the third embodiment of the invention is substantially the same as the second embodiment, and the difference is that the touch screen control device 100 further includes a sliding member 60, the sliding member 60 is located in the second accommodating hole 44 and sleeved on the fixing base 10, the sliding member 60 is connected to the fixing base 10 in a sliding manner along the axial direction of the fixing base 10, the sliding member 60 is provided with a second conductive contact 34, and the second conductive contact 34 is used for contacting the touch screen 200. In this embodiment, the second conductive contact 34 is used to realize the function of clicking the touch screen 200. The number of the second conductive contacts 34 may be one or more. Specifically, the second conductive contact 34 is a conductive electrode made of a metal material, the second conductive contact 34 is located at one axial end of the sliding member 60, and the second conductive contact 34 may be a metal sheet adhered to an axial end face of the sliding member 60. The second conductive contact 34 is used for contacting the touch screen 200, the principle of the second conductive contact 34 for controlling the touch screen 200 is the same as that of the touch screen 200 contacted by a finger, the second conductive contact 34 and the touch surface form a coupling capacitor, because the second conductive contact 34 is connected with a high-frequency signal, the second conductive contact 34 absorbs a small current, the current respectively flows out from the electrodes on the four corners of the screen, theoretically, the current flowing through the four electrodes is proportional to the distance from the second conductive contact 34 to the four corners, and the controller obtains the position by precisely calculating the proportion of the four currents.
Referring to fig. 11 and 12, fig. 11 is a schematic view of the sliding member 60 approaching the touch panel 200, and fig. 12 is a schematic view of the sliding member 60 departing from the touch panel 200. In this embodiment, the sliding member 60 can slide in the axial direction of the fixing base 10, and when the sliding member 60 approaches the touch screen 200, the second conductive contact 34 can approach the touch screen 200 along with the sliding member 60 and contact the touch screen 200, so as to click on the touch screen 200; when the sliding member 60 moves away from the touch screen 200, the second conductive contact 34 may move away from the touch screen 200 along with the sliding member 60. In one embodiment, an elastic member may be disposed between the sliding member 60 and the touch screen 200, and when an external force is applied to the sliding member 60, the second conductive contact 34 contacts the touch screen 200, and the elastic member is compressed; when the external force applied to the sliding member 60 is removed, the elastic force of the elastic member moves the sliding member 60 away from the touch panel 200, and the second conductive contact 34 is separated from the touch panel 200. The movement process of the sliding member 60 and the second conductive contact 34 is similar to a button, and a click operation can be performed on the touch screen 200, so that the function of the touch screen control device 100 is increased, and the function of combining the first conductive contact 32 and the second conductive contact 34 can realize various different operations, thereby improving the function diversity of the touch screen control device 100.
In this embodiment, the sliding element 60 and the rotating element 20 can rotate synchronously with respect to the fixing base 10, specifically, the rotating element 20 is rotatably connected to the fixing base 10, so that the rotating element 20 can rotate with respect to the fixing base 10, the sliding element 60 is separately slidably connected to the rotating element 20, and the sliding element 60 is not connected to the fixing base 10, so that the sliding element 60 does not interfere with the sliding connection between the rotating element 20 and the fixing base 10, in other words, the sliding element 60 is slidably connected to the rotating element 20, the sliding element 60 can rotate with the rotating element 20 with respect to the fixing base 10, and the sliding element 60 can slide with respect to the rotating element 20, and the rotating element 20. Further, the second conductive contact 34 can change the position of the second conductive contact 34 contacting the touch screen 200 with the rotation of the rotating member 20 or the sliding member 60, and by rotating the rotating member 20, the second conductive contact 34 can be adjusted to a specific position and then the sliding member 60 is pressed to make the second conductive contact 34 click touch. The second conductive contact 34 can be clicked at different positions of the touch screen 200 to provide different operational information.
Referring to fig. 11 and 12, in one embodiment, the touch screen control device 100 is hollow, that is, the content displayed on the touch screen 200 can be observed from the center of the touch screen control device 100. Specifically, the sliding element 60 is provided with a third receiving hole 46, the third receiving hole 46 penetrates through the sliding element 60 along the axial direction of the sliding element 60, the fixing base 10 is slidably connected with the sliding element 60 in the third receiving hole 46, and the first receiving hole 42 is communicated with the third receiving hole 46. The first receiving hole 42 and the third receiving hole 46 form a hollow portion of the touch screen control device 100, in other words, image light displayed on the touch screen 200 passes through the touch screen control device 100 through the first receiving hole 42 and the third receiving hole 46 in sequence, so as to be observed. Further, the touch screen 200 may display the currently adjusted parameter type corresponding to the hollow portion to play a role of identification, or display the currently adjusted parameter size, so as to facilitate observation by the user. In another embodiment, the touch screen control device 100 may also be a solid structure, that is, the third receiving hole 46 is a blind hole, and the third receiving hole 46 does not penetrate through an end surface of the rotating member 20 on a side away from the touch screen 200. On one hand, the structural stability of the touch screen control device 100 is enhanced, and on the other hand, the deposition of a gray layer and the like in the third accommodating hole 46 can be prevented.
Referring to fig. 13 and 14, in which fig. 13 is a top view of a touch screen control device 100 according to a third embodiment of the present invention, and fig. 14 is a cross-sectional view taken along a direction D-D of fig. 10.
The touch screen control device 100 provided in the fourth embodiment of the present invention is substantially the same as the third embodiment, except that the sliding member 60 is located in the hollow portion of the fixing base 10 and is slidably connected to the fixing base 10. In this embodiment, the fixing seat 10 is located between the sliding member 60 and the rotating member 20, the sliding member 60 is slidably connected to the fixing seat 10, so that the sliding member 60 can slide relative to the fixing seat, the rotating member 20 is rotatably connected to the fixing seat 10, the rotating member 20 can rotate relative to the fixing seat 10, and the movement of the rotating member 20 and the movement of the sliding member 60 have no influence on each other. Specifically, one of the outer surface of the sliding member 60 and the inner surface of the fixed base 10 may be provided with a guide rail, and the other may be provided with a sliding block engaged with the guide rail, the extending direction of the guide rail is along the axial direction of the sliding member 60, and the sliding block can slide on the guide rail, so that the sliding member 60 and the fixed base 10 only have the freedom of relative movement in the axial direction, and the sliding member 60 and the fixed base 10 are always relatively stationary in the rotating direction of the rotating member 20. Further, the second conductive contact 34 is fixedly contacted with a specific position of the touch screen 200, that is, the second conductive contact 34 clicks a specific position of the touch screen 200, and by setting a function of the touch screen 200 corresponding to the clicked area, a specific operation is performed in a button manner.
In this embodiment, a groove 110 is disposed on an end surface of one side of the fixing base 10, and the conductive coil 50 is fixed in the groove 110. Specifically, the conductive coil 50 is embedded in the fixing base 10 through the groove 110 to be fixedly connected to one end of the touch screen 200.
Referring to fig. 15 and fig. 16, an embodiment of the invention further provides a touch panel assembly 300, which includes a touch panel 200 and the touch panel control device 100 according to the embodiment of the invention, the fixing base 10 is detachably fixed on the touch panel 200, and the first conductive contact 32 slides on the touch panel 200 along with the rotation of the rotating member 20. In this embodiment, the touch screen 200 may be a capacitive touch screen, the principle of the first conductive contact 32 controlling the touch screen 200 is the same as that of the finger contacting the touch screen 200, the first conductive contact 32 and the touch surface form a coupling capacitor, because the first conductive contact 32 is connected with a high-frequency signal, a very small current is absorbed by the first conductive contact 32, the current flows out from the electrodes at the four corners of the screen, theoretically, the current flowing through the four electrodes is proportional to the distances from the first conductive contact 32 to the four corners, and the controller obtains the position by precisely calculating the proportions of the four currents.
The touch screen control device 100 is installed on the touch screen 200 through the fixing base 10, when the user operates the rotating member 20 to rotate by taking the central shaft of the fixing base 10 as a rotating shaft, the first conductive contact 32 slides on the touch screen 200, the first conductive contact 32 realizes corresponding touch operation on the touch screen 200, the user can operate a specific function on the touch screen 200 under the condition of not observing the touch screen 200, the operation mode is simple and convenient, and the implementation cost is low. Further, when the touch screen control device is applied to the vehicle-mounted touch display device, a user can blindly operate the touch screen control device 100, driving of the vehicle by the user is not affected, and potential safety hazards are avoided.
In this embodiment, the touch screen 200 includes a plurality of touch units arranged in an array, and the size of the orthographic projection of the first conductive contact 32 on the touch surface of the touch screen 200 is not smaller than the size of the touch unit, so that the touch screen 200 can identify the first conductive contact 32. Further, the size of the orthographic projection of the second conductive contact 34 on the touch surface of the touch screen 200 is not smaller than the size of the touch unit, so that the touch screen 200 can identify the second conductive contact 34.
In this embodiment, the touch screen control device 100 may be entirely located on the touch screen 200, or partially located on the touch screen 200. When the touch screen control device 100 is completely located on the touch screen 200, the orthographic projection of the rotating member 20 on the plane where the touch surface of the touch screen 200 is located is completely located on the touch surface, and the motion track of the first conductive contact 32 may be a complete circle, so that the functions of volume and the like can be correspondingly and greatly adjusted. When the touch screen control device 100 is partially located on the touch screen 200, the orthographic projection portion of the rotating member 20 on the plane of the touch surface of the touch screen 200 is located on the touch surface, so that the touch screen 200 can be shielded by the touch screen control device 100, and the touch screen 200 can provide a larger display area.
Referring to fig. 17 to 18, in an embodiment, a cross section of the rotating member 20 is circular, when the touch screen control device 100 is partially located on the touch screen 200, the number of the first conductive contacts 32 is multiple, the multiple first conductive contacts 32 are distributed on the rotating member 20 at equal intervals, and a normal projection portion of at least one first conductive contact 32 on a plane where the touch surface of the touch screen 200 is located on the touch surface. In other words, at least one first conductive contact 32 is located on the touch screen 200, so as to avoid the situation of breaking contact to affect the use.
In this embodiment, when the rotating member 20 is partially located on the touch screen 200, the orthographic projection of the rotating member 20 on the touch surface is a segment of circular arc, the circular arc is 1/n of circumference, and n first conductive contacts 32 are equally spaced on the rotating member 20, so as to ensure that at least one first conductive contact 32 always contacts the touch screen 200 when the rotating member 20 is rotated.
Specifically, the setting position of the touch screen control device 100 and the setting of the first conductive contact 32 include, but are not limited to, the following embodiments:
implementation mode one
Referring to fig. 17, 1/2 touch screen control devices 100 are disposed on a touch screen 200, 1/2 rotating members 20 are disposed on the touch screen 200, and an arc of the orthogonal projection of the rotating members 20 on the touch surface is 1/2 circles, so that 2 first conductive contacts 32 are disposed on the rotating members 20 at equal intervals, thereby ensuring that at least one first conductive contact 32 always contacts the touch screen 200 when the rotating members 20 are rotated.
Second embodiment
Referring to fig. 18, 1/3 touch screen control devices 100 are disposed on the touch screen 200, 1/3 rotating members 20 are disposed on the touch screen 200, and the arc of the orthographic projection of the rotating members 20 on the touch surface is 1/3 circles, so that 3 first conductive contacts 32 are disposed on the rotating members 20 at equal intervals, thereby ensuring that at least one first conductive contact 32 always contacts the touch screen 200 when the rotating members 20 are rotated.
Third embodiment
Referring to fig. 19, 1/4 touch screen control devices 100 are disposed on a touch screen 200, 1/4 rotating members 20 are disposed on the touch screen 200, and an arc of the orthogonal projection of the rotating members 20 on the touch surface is 1/4 circles, so that 4 first conductive contacts 32 are disposed on the rotating members 20 at equal intervals, thereby ensuring that at least one first conductive contact 32 always contacts the touch screen 200 when the rotating members 20 are rotated.
In one embodiment, when the sliding member 60 and the rotating member 20 can rotate synchronously with respect to the fixing base 10, the number of the second conductive contacts 34 is also multiple, and the multiple second conductive contacts 34 are arranged in the same manner as the first conductive contacts 32, so that when the touch screen control device 100 is partially positioned on the touch screen 200, at least one second conductive contact 34 is positioned on the touch screen 200.
It should be understood that in the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the embodiments of the present application. 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.
In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.
In embodiments of the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the application. In order to simplify the disclosure of the embodiments of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. Furthermore, embodiments of the present application may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present application provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While the invention has been described with reference to a number of illustrative embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (12)
1. A touch screen control device, comprising:
the fixing seat is used for being fixed on the touch screen;
the rotating piece is sleeved on the fixed seat and is rotatably connected with the fixed seat by taking a central shaft of the fixed seat as a rotating shaft, the rotating piece is provided with a first conductive contact, and the first conductive contact is used for sliding on the touch screen along with the rotation of the rotating piece; the fixing seat is in a hollow form, and the touch screen is visible corresponding to the hollow part of the fixing seat.
2. The touch screen control device according to claim 1, further comprising a conductive coil fixed to the fixing base, wherein the conductive coil is configured to be induced by the touch screen.
3. The touch screen control device of claim 2, wherein a central axis of the conductive coil coincides with a rotation axis of the rotating member.
4. The touch screen control device according to claim 3, further comprising a sliding member, wherein the sliding member is slidable relative to the fixing base, and the sliding member is provided with a second conductive contact, and the second conductive contact is far away from or close to the touch screen.
5. The touch screen control device according to claim 4, wherein the sliding member is sleeved on the fixing base and slidably connected to the rotating member.
6. The touch screen control device according to claim 5, wherein the fixing base is provided with a first accommodating hole, and the conductive coil is located in the first accommodating hole.
7. The touch screen control device of claim 4, wherein the sliding member is located in the hollow portion of the fixing base and slidably connected to the fixing base.
8. The touch screen control device according to claim 7, wherein a groove is formed in an end face of one side of the fixing base, and the conductive coil is fixed in the groove.
9. A touch panel assembly, comprising a touch panel and the touch panel control device of any one of claims 1 to 7, wherein the fixing base is detachably fixed on the touch panel, and the first conductive contact slides on the touch panel along with the rotation of the rotating member.
10. The touch screen assembly of claim 9, wherein an orthographic projection of the rotating member on a plane of the touch surface of the touch screen is located on the touch surface.
11. The touch screen assembly according to claim 10, wherein the cross section of the rotating member is circular, the number of the first conductive contacts is plural, the plural first conductive contacts are distributed on the rotating member at equal intervals, and an orthogonal projection portion of at least one first conductive contact on a plane where a touch surface of the touch screen is located on the touch surface.
12. The touch screen assembly of claim 9, wherein the touch screen includes a plurality of touch units arranged in an array, and the size of the orthographic projection of the first conductive contact on the touch surface of the touch screen is not smaller than the size of the touch unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106879.0A CN111522457A (en) | 2019-02-02 | 2019-02-02 | Touch screen control device and touch screen assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106879.0A CN111522457A (en) | 2019-02-02 | 2019-02-02 | Touch screen control device and touch screen assembly |
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| CN111522457A true CN111522457A (en) | 2020-08-11 |
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| CN201910106879.0A Pending CN111522457A (en) | 2019-02-02 | 2019-02-02 | Touch screen control device and touch screen assembly |
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Cited By (1)
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| CN112214134A (en) * | 2020-11-25 | 2021-01-12 | 烟台正海科技股份有限公司 | Non-contact type press knob touch screen and function starting method thereof |
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Effective date of registration: 20210412 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Applicant after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 215143 Kangyang Road 233, Huangdi Town, Xiangcheng District, Suzhou City, Jiangsu Province Applicant before: Suzhou OFilm Tech. Co.,Ltd. |
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