CN217506530U - Touch pad and touch glasses - Google Patents
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- CN217506530U CN217506530U CN202221769731.9U CN202221769731U CN217506530U CN 217506530 U CN217506530 U CN 217506530U CN 202221769731 U CN202221769731 U CN 202221769731U CN 217506530 U CN217506530 U CN 217506530U
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Abstract
The utility model provides a touch pad relates to the electron field. The touch panel includes: the circuit board, the first face of circuit board is provided with a plurality of touch-control collection electrodes, the second face of circuit board is provided with touch-sensitive chip, still be provided with a plurality of through-holes on the circuit board, so that a plurality of touch-control collection electrodes follow the first face pass and with a plurality of touch pin electricity on the touch-sensitive chip is connected, and the user is through operations such as slip touch-control collection electrode, click touch-sensitive collection electrode, and the touch-sensitive chip can be with the input control information transmission that user operation corresponds to the interactive interface of man-machine among the touch glasses, realizes man-machine interaction, compares general input device such as mouse, control rod among the prior art, and the user operation that this touch pad corresponds is more simple and convenient, has improved the efficiency to the input control of augmented reality virtual reality glasses, simultaneously, has improved user's experience sense.
Description
Technical Field
The utility model relates to an electron field particularly, relates to a touch pad.
Background
Augmented Reality (AR)/Virtual Reality (VR) glasses may generate Virtual information, such as images, sounds, videos, or other types of Virtual information, such that a user may see a Virtual scene formed by the Virtual information.
In an application scene of the augmented reality/virtual reality glasses, due to factors such as a size, power consumption and cost, efficiency of common general input equipment (a mouse, a joystick, a rolling ball and the like) is low when the common general input equipment is used for input control of the augmented reality/virtual reality glasses, and user experience is poor.
Disclosure of Invention
An object of the utility model is to provide a touch pad to solve the input control's of general input device among the prior art efficiency lower, user experience feels relatively poor technical problem.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides a touch panel, including: the circuit board, the first face of circuit board is provided with a plurality of touch-control collection electrodes, the second face of circuit board is provided with touch-sensitive chip, still be provided with a plurality of through-holes on the circuit board, so that a plurality of touch-control collection electrodes follow first face pass and with a plurality of touch pin electricity on the touch-sensitive chip is connected.
Optionally, a first electrode and a last electrode of the plurality of touch collecting electrodes sequentially arranged on the first surface are electrically connected;
and at least two other electrodes in the plurality of touch acquisition electrodes are electrically connected with at least two touch pins on the touch sensing chip after penetrating through corresponding through holes, wherein the at least two other electrodes are electrodes except the last electrode in the plurality of touch acquisition electrodes.
Optionally, at least two matching resistors are arranged on the second surface, the at least two other electrodes are electrically connected with the at least two matching resistors after passing through corresponding through holes, and the at least two matching resistors are electrically connected with the at least two touch pins on the touch sensing chip.
Optionally, the touch acquisition electrodes are a plurality of copper layers linearly arranged on the first surface, and a preset gap exists between two adjacent copper layers.
Optionally, each copper paving body is a polygonal copper paving body, and two adjacent copper paving bodies are distributed in a zigzag staggered manner, so that a preset gap exists between the two adjacent copper paving bodies.
Optionally, the circuit board comprises: a rigid circuit board, and a flexible circuit board;
the touch control acquisition electrodes and the touch sensing chip are arranged on the hard circuit board, the flexible circuit board is further provided with a connector, an interrupt pin and a serial pin of the touch sensing chip are both connected with the connector, and the connector is used for connecting an external application circuit.
Optionally, the external application circuit is a master control circuit of virtual reality glasses or augmented reality glasses.
Optionally, the serial pin comprises: a data pin and a clock pin; the first surface of the circuit board is also provided with a first resistor, a second resistor and a third resistor;
an interrupt pin of the connector is connected with a power supply through the first resistor, and the first resistor is also connected with an interrupt pin of the touch sensing chip; the data pin of the connector is connected with a power supply through the second resistor, and the second resistor is also connected with the data pin of the touch sensing chip; and the clock pin of the connector is connected with a power supply through the third resistor, and the third resistor is also connected with the clock pin of the touch sensing chip.
Optionally, a first capacitor, a second capacitor and a third capacitor are further disposed on the first surface of the circuit board;
the first capacitor is electrically connected with a capacitor pin of the touch sensing chip, and the second capacitor and the third capacitor are electrically connected with a voltage pin of the touch sensing chip.
In a second aspect, an embodiment of the present invention provides a pair of touch glasses, including the touch pad described in any one of the above first aspects, and a main control circuit; the touch glasses are virtual reality glasses or augmented reality glasses;
and the connector in the touch pad is electrically connected with the main control circuit.
The utility model has the advantages that: the utility model provides a pair of touch pad, include: the circuit board, the first face of circuit board is provided with a plurality of touch-control collection electrodes, the second face of circuit board is provided with the touch-sensitive chip, still be provided with a plurality of through-holes on the circuit board, so that a plurality of touch-control collection electrodes pass from the first face and be connected with a plurality of touch pin electricity on the touch-sensitive chip, the user is through sliding touch-control collection electrode, click operations such as touch-control collection electrode, the touch-sensitive chip can be with the input control information transmission that user operation corresponds to the interactive interface of man-machine in the touch glasses, realize man-machine interaction, compare mouse among the prior art, general input device such as control rod, the user operation that this touch panel corresponds is more simple and convenient, the efficiency to the input control of augmented reality/virtual reality glasses has been improved, and simultaneously, user's experience sense has been improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a first side of a circuit board according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second surface of a circuit board according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second surface of another circuit board according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a touch panel according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second surface of another circuit board according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of another touch panel provided in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a first side of another circuit board according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a first side of another circuit board according to an embodiment of the present invention;
fig. 9 is a schematic circuit diagram of another touch panel provided in an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a pair of touch glasses according to an embodiment of the present invention.
Icon: a plurality of touch acquisition electrodes 100; a first touch acquisition electrode 110; a second touch capture electrode 120; a third touch acquisition electrode 130; a fourth touch acquisition electrode 140; a touch-sensitive chip 200; a first matching resistor 310; a second matching resistor 320; a third matching resistor 330; a hard circuit board 400; a flexible circuit board 500; a connector 600; a first resistor 710; a second resistor 720; a third resistor 730; a first capacitor 810; a second capacitor 820; a third capacitor 830; a touch panel 10; a master control circuit 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to solve the technical problem that the efficiency of general input device's input control among the prior art is lower, user experience feels relatively poor, the technical scheme of the utility model, provide a touch pad, the user can be through slip operation, click operation etc. control the augmented reality/virtual reality glasses that this touch pad corresponds, be used for human-computer interaction's interface among the control touch glasses promptly, realize human-computer interaction in the embodiment of the utility model provides an in, augmented reality/virtual reality glasses that the touch pad corresponds still can be called touch glasses. The user is easy and convenient to operate, the input control efficiency of the augmented reality/virtual reality glasses is improved, and meanwhile the experience of the user is improved.
In order to be used for the interactive interface of human-computer in the glasses of augmented reality/virtual reality through the touch pad control, improve the efficiency of augmented reality/virtual reality glasses's input control, improve user's experience and feel, the technical scheme of the utility model among, provide a touch pad, combine a plurality of examples as follows, right the utility model provides a touch pad carries out concrete explanation. Fig. 1 is a schematic structural diagram of a first surface of a circuit board according to an embodiment of the present invention, as shown in fig. 1, the touch panel includes: the first surface of the circuit board is provided with a plurality of touch collecting electrodes 100.
When a user performs a sliding operation or a clicking operation at a position corresponding to the touch collecting electrodes 100, the touch collecting electrodes 100 may generate corresponding touch signals according to the operation of the user.
In the embodiment of the present invention, the number of the plurality of touch-control collecting electrodes 100 may be four, for example, and of course, other numbers of touch-control collecting electrodes may also be used, which is not limited in the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second surface of the circuit board according to an embodiment of the present invention, as shown in fig. 2, the second surface of the circuit board is provided with a touch sensing chip 200. In the embodiment of the present invention, the touch sensing chip 200 can be a chip of VK38 series, and the cost is lower, exemplarily, the touch sensing chip 200 can be a chip of VK3809IP, a chip of VK3813IP, a chip of VK3816IP, a chip of VK380 3809IP-a, certainly, a chip of VK37 series, a chip of VK36 series, and other types of touch sensing chips, which is not limited in the embodiment of the present invention.
The circuit board is further provided with a plurality of through holes, so that the plurality of touch collecting electrodes 100 penetrate through the first surface and are electrically connected with the plurality of touch pins on the touch sensing chip 200. After the touch acquisition electrodes 100 generate corresponding touch signals according to the operation of the user, the touch sensing chip 200 may acquire the touch signals, where the touch signals are analog signals, and the touch sensing chip 200 may convert the acquired touch signals into digital signals and process the digital signals, so as to transmit input control information corresponding to the digital signals to the human-computer interaction interface in the augmented reality/virtual reality glasses.
The embodiment of the utility model provides a pair of touch pad, user's accessible slides touch-control and gathers the electrode, click operations such as touch-control and gather the electrode, touch-sensitive chip can be with the input control information transmission that user operation corresponds to the touch glasses in the man-machine interaction's interface, realize man-machine interaction, compare the mouse that uses among the prior art, general input device such as control rod, the user operation that this touch pad corresponds is more simple and convenient, the efficiency to the input control of augmented reality virtual reality glasses has been improved, and simultaneously, user's experience is felt has been improved.
Further, based on the structure of the first surface of the circuit board shown in fig. 1, a touch panel is further explained by using a possible implementation example of the touch collecting electrode. The first electrode and the last electrode of the plurality of touch collecting electrodes 100 sequentially arranged on the first surface of the circuit board are electrically connected.
For example, as shown in fig. 1 and fig. 2, when the number of the touch collecting electrodes 100 is four, the first touch collecting electrode 110 and the fourth touch collecting electrode 140 are electrically connected, so that the touch collecting electrodes 100 form an annular connection, at this time, the first touch collecting electrode 110 and the fourth touch collecting electrode 140 are the same touch collecting electrode, and the operation of the fourth touch collecting electrode 140 by the user is equivalent to the operation of the first touch collecting electrode 110.
At least two other electrodes of the touch collecting electrodes 100 are electrically connected to at least two touch pins of the touch sensing chip 200 after passing through the corresponding through holes. Wherein, the at least two other electrodes are electrodes other than the last electrode in the plurality of touch collecting electrodes 100. For example, as shown in fig. 2, the fourth touch collecting electrode 140 passes through the corresponding through hole and then is electrically connected to the corresponding touch pin on the touch sensing chip 200, the third touch collecting electrode 130 passes through the corresponding through hole and then is electrically connected to the corresponding touch pin on the touch sensing chip 200, the second touch collecting electrode 120 passes through the corresponding through hole and then is electrically connected to the corresponding touch pin on the touch sensing chip 200, and the first touch collecting electrode 110 passes through the corresponding through hole and then is connected to the fourth touch collecting electrode 140.
Optionally, the touch collecting electrodes 100 may also be electrically connected to the touch pins on the touch sensing chip 200 after passing through the corresponding through holes, for example, if there are four touch collecting electrodes, the touch collecting electrodes may be respectively connected to the four touch pins on the touch sensing chip 200, at this time, the connection between each touch collecting electrode and the corresponding touch pin of the touch sensing chip is mutually independent, and there is no other connection relationship.
The embodiment of the utility model provides a pair of touch pad, first electrode and last electrode electricity in the a plurality of touch-control collection electrodes that set gradually in proper order are connected in the first face, at least two other electrodes in a plurality of touch-control collection electrodes are connected with at least two touch pin electricity on the touch-sensitive chip after passing through the through-hole that corresponds, wherein, at least two other electrodes are the electrode outside last electrode in a plurality of touch-control collection electrodes, at this moment, first touch-control collection electrode is same touch-control collection electrode with fourth touch-control collection electrode, the user operates fourth touch-control collection electrode and is equivalent to operating first touch-control collection electrode, make user's operation more convenient, user's experience sense has been improved.
Further, based on the structure of the second surface of the circuit board shown in fig. 2, a touch panel is further explained by using a possible implementation example of the touch collecting electrode. Fig. 3 is a schematic diagram of a second surface of another circuit board according to an embodiment of the present invention, as shown in fig. 3, at least two matching resistors are disposed on the second surface of the circuit board, at least two other electrodes are electrically connected to at least two matching resistors after passing through corresponding through holes, and at least two matching resistors are electrically connected to at least two touch pins on the touch sensing chip.
Exemplarily, fig. 4 is a schematic circuit diagram of a touch panel according to an embodiment of the present invention, as shown in fig. 4, when the number of the plurality of touch collecting electrodes 100 is four, after the first touch collecting electrode 110 and the fourth touch collecting electrode 140 are electrically connected, the second surface of the circuit board may be provided with three matching resistors, wherein the fourth touch collecting electrode 140 is electrically connected to the first matching resistor 310 after passing through the corresponding through hole, and the first matching resistor 310 is electrically connected to the corresponding touch pin on the touch sensing chip 200; the third touch collecting electrode 130 is electrically connected with the second matching resistor 320 after passing through the corresponding through hole, and the second matching resistor 320 is electrically connected with the corresponding touch pin on the touch sensing chip 200; the second touch collecting electrode 120 is electrically connected to the third matching resistor 330 after passing through the corresponding through hole, and the third matching resistor 330 is electrically connected to the corresponding touch pin on the touch sensing chip 200.
In the embodiment of the present invention, the matching resistor can improve the electromagnetic Interference (EMI) performance of the whole circuit, so that the circuit reaches stable balance.
Optionally, if there is no electrical connection between the first touch collecting electrode 110 and the fourth touch collecting electrode 140, that is, the touch collecting electrodes 100 are independent from each other, the number of the matching resistors may be four, each touch collecting electrode may be connected to one matching resistor, and the matching resistors are electrically connected to corresponding touch pins on the touch sensing chip.
The embodiment of the utility model provides a pair of touch pad is provided with two at least matching resistance on the second face, and two at least other electrodes are connected with two at least matching resistance electricity after passing through the through-hole that corresponds, and two at least touch pin electricity on two at least matching resistance and the touch-sensitive chip are connected, can improve circuit's electromagnetic interference performance, make the circuit reach stable balance.
Further, based on the structure of the first surface of the circuit board shown in fig. 1, a touch panel is further explained by using a possible implementation example of the touch collecting electrode. As shown in fig. 1, the touch collecting electrodes 100 are a plurality of copper layers arranged linearly on the first surface, and a predetermined gap exists between two adjacent copper layers.
Two adjacent copper layers and a preset gap between two adjacent copper layers may form a capacitor structure, for example, when a user slides from one copper layer to the adjacent copper layer through the preset gap, the capacitance corresponding to the capacitor structure may change, and at this time, the change in capacitance may be a touch signal generated when the user slides on the touch pad, so that the touch sensing chip 200 may collect and process the touch signal.
In the embodiment of the present invention, the copper layer may also be referred to as a copper-clad layer.
Each copper paving is polygonal, and two adjacent copper paving bodies are distributed in a zigzag staggered mode, so that a preset gap exists between the two adjacent copper paving bodies. The capacitance can be more uniformly changed due to the zigzag staggered distribution, the accuracy of the touch signal is improved, and then the interface for man-machine interaction in the augmented reality/virtual reality glasses corresponding to the touch pad is accurately controlled through the touch sensing chip 200.
Of course, the shape of each copper laying is not limited to the shape in fig. 1, and may also be copper laying of other shapes, and the shape of the preset gap between two adjacent copper laying is not limited to the zigzag shape in fig. 1, and may also be other shapes, and is not particularly limited in the embodiment of the present invention.
The embodiment of the utility model provides a pair of touch pad, a plurality of touch-control is adopted the electrode and is a plurality of copper of spreading of linear arrangement in the first face, there is the preset clearance between two adjacent copper of spreading, form a plurality of electric capacity structures, wherein, every copper of spreading is the polygon copper of spreading, two adjacent copper of spreading adopt zigzag staggered distribution, so that there is the preset clearance between two adjacent copper of spreading, make electric capacity change more even, touch signal's accuracy has been improved, make the touch-sensitive chip can be used for the interactive interface of man-machine in the augmented reality virtual reality glasses that this touch pad of accurate control corresponds.
Further, on the basis of the structure of the second surface of the circuit board shown in fig. 2, a touch panel is further explained by way of possible implementation examples of the circuit board. Fig. 5 is a schematic structural diagram of a second surface of another circuit board according to an embodiment of the present invention, as shown in fig. 5, the circuit board includes: a rigid circuit board 400, and a flexible circuit board 500.
The touch collecting electrodes 100 and the touch sensing chip 200 are disposed on the hard circuit board 400. The hard Circuit Board 400 may be a Printed Circuit Board (PCB), which may also be referred to as a Printed Circuit Board, and has a high density, high reliability, and a long service life.
The flexible circuit board 500 is also provided with a connector 600. The flexible circuit board 500 can also be called as fpc (flexible Printed circuit) board, wherein the flexible circuit board 500 can be a single-sided flexible circuit board, can also be a double-sided flexible circuit board, can also be a multilayer flexible circuit board, do not make specific restrictions in the embodiment of the present invention.
In the embodiment of the present invention, the connector 600 is a board-to-board connector, which can connect different circuit boards together, the board-to-board connector is the connector with the strongest transmission capability among all the connector product types at present, and the pins passing through the connector 600 can connect the signals and the signals between the printed circuit boards.
The interrupt pin (INT) and the serial pin of the touch sensing chip 200 are both connected to the connector 600, the connector 600 is used for connecting an external application circuit, so that the touch sensing chip 200 can transmit an interrupt signal and a communication signal corresponding to the serial pin between the connection 600, and the connector 600 transmits a corresponding signal to the external application circuit, wherein the external application circuit is a main control circuit of the virtual reality glasses or the augmented reality glasses, and interface control for human-computer interaction in the virtual reality glasses or the augmented reality glasses can be realized through the external application circuit, for example, such as left-right sliding of a cursor, cursor clicking, cursor double clicking and the like.
The embodiment of the utility model provides a pair of touch pad, the circuit board includes: the touch sensing circuit comprises a hard circuit board and a flexible circuit board, wherein a plurality of touch collecting electrodes and a touch sensing chip are arranged on the hard circuit board, the flexible circuit board is also provided with a connector, an interrupt pin and a serial pin of the touch sensing chip are both connected with the connector, the connector is used for connecting an external application circuit, wherein, the external application circuit is a main control circuit of the virtual reality glasses or the augmented reality glasses, and in the process of practical application, when a user finger slides, clicks or leaves on the touch acquisition electrodes, the capacitance distribution and the capacitance size corresponding to the touch acquisition electrodes can be changed, the capacitance information is read and processed in real time through the touch sensing chip and converted into sliding action information, click information and the like, the sliding action information, the click information and the like are read by the external application circuit at regular time, the movement, the click, the double click and the like of a cursor are simulated, and the man-machine interaction is realized.
Further, on the basis of the circuit structure of the touch panel shown in fig. 4, a touch panel is further explained by a possible implementation example of the serial pin. Fig. 6 is a schematic circuit diagram of another touch panel according to an embodiment of the present invention, and as shown in fig. 6, the serial pin includes: the Data pin and the Clock pin, the transmission signal line corresponding to the Data pin is a Data signal line (SDA), and the transmission signal line corresponding to the Clock pin is a Clock signal line (SCL).
The touch sensing chip 200 and the connector 600 transmit information through a serial port, wherein a data pin and a clock pin can be used for transmitting and receiving data. The process of transmitting data has three types of signals in common, which are respectively: a start signal, an end signal and a response signal. When the clock signal line is at high level, the data signal line jumps from high level to low level to start data transmission, and when the clock signal line is at high level, the data signal line jumps from low level to high level to finish data transmission.
Fig. 7 is a schematic diagram of a first side of another circuit board provided in the embodiment of the present invention, as shown in fig. 7, a first resistor 710, a second resistor 720 and a third resistor 730 are further disposed on the first side of the circuit board, as shown in fig. 6, the interrupt pin of the connector 600 is connected to the power supply through the first resistor 710, the interrupt pin of the touch sensing chip 200 is further connected to the first resistor 710, the data pin of the connector 600 is connected to the power supply through the second resistor 720, the data pin of the touch sensing chip 200 is further connected to the second resistor 720, the clock pin of the connector 600 is connected to the power supply through the third resistor 730, and the clock pin of the touch sensing chip 200 is further connected to the third resistor 730.
The embodiment of the utility model provides an in, among the serial communication, when clock signal line and data signal line were idle, two signal lines need be the high level, and the interrupt signal line that connector 600's data signal line, clock signal line and interrupt pin correspond all connects the power through pull-up resistance, can realize the high level in the communication process through this pull-up resistance. If no pull-up resistor exists, the pins are in a floating state, the corresponding levels are uncertain, may be high levels, and may also be low levels, and according to a protocol of serial port communication, when a clock signal line and a data signal line are idle, both the two signal lines need to be high levels, and if no determined levels exist, once interference exists outside, a situation of false start of serial port communication may occur, so that the pull-up resistors (the first resistor 710, the second resistor 720 and the third resistor 730) can play roles of maintaining stable output levels and protecting chips.
The embodiment of the utility model provides a pair of touch pad, serial pin includes: the touch sensing circuit comprises a data pin and a clock pin, wherein a first resistor, a second resistor and a third resistor are further arranged on a first surface of the circuit board, the data pin and the clock pin can be used for sending and receiving data, and a pull-up resistor (the first resistor, the second resistor and the third resistor) can maintain the stability of an output level and protect a touch sensing chip.
Further, a touch panel is further explained by a possible implementation example of a capacitor on the basis of the structure of the first surface of the circuit board shown in fig. 7 described above. Fig. 8 is a schematic structural diagram of a first surface of another circuit board provided by an embodiment of the present invention, as shown in fig. 8, a first capacitor 810, a second capacitor 820 and a third capacitor 830 are further disposed on the first surface of the circuit board, and fig. 9 is a schematic circuit diagram of another touch pad provided by an embodiment of the present invention, as shown in fig. 9, the first capacitor 810 is electrically connected to a capacitor pin of the touch sensing chip 200, and the second capacitor 820 and the third capacitor 830 are electrically connected to a voltage pin of the touch sensing chip 200.
The embodiment of the utility model provides an in, the sensitivity of a plurality of touch-control collection electrodes is calibrated to the electric capacity size of accessible adjustment first electric capacity 810.
The embodiment of the present invention provides an embodiment, the second capacitor 820 and the third capacitor 830 are electrically connected to the voltage pin of the touch sensing chip 200, and the second capacitor 820 and the third capacitor 830 are connected in parallel, which can form a filter circuit to filter the ripple in the voltage.
Further, on the basis of the structure of the touch pad shown in fig. 1 to 9, the embodiment of the present invention further provides a pair of touch glasses. Fig. 10 is a schematic structural diagram of a pair of touch glasses according to an embodiment of the present invention, as shown in fig. 10, the pair of touch glasses includes: a touch panel 10, and a main control circuit 20.
The touch glasses are virtual reality glasses or augmented reality glasses, and the connector 600 in the touch panel 10 is electrically connected with the main control circuit 20.
The embodiment of the utility model provides a pair of touch glasses, the user is when operating on a plurality of touch-control acquisition electrodes of touch pad, electric capacity distribution and electric capacity size among the electric capacity structure that a plurality of touch-control acquisition electrodes correspond can change, the touch-sensitive chip reads this electric capacity information in real time, handle, and turn into gliding action information with it, click information etc. transmit to master control circuit in through the connector, master control circuit reads this gliding action information, click information etc, and then the removal of simulation cursor, click, double click etc, realize human-computer interaction.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A touch panel, comprising: the circuit board, the first face of circuit board is provided with a plurality of touch-control collection electrodes, the second face of circuit board is provided with touch-sensitive chip, still be provided with a plurality of through-holes on the circuit board, so that a plurality of touch-control collection electrodes follow first face pass and with a plurality of touch pin electricity on the touch-sensitive chip is connected.
2. The touch panel according to claim 1, wherein a first electrode and a last electrode of the plurality of touch capture electrodes sequentially arranged in sequence on the first surface are electrically connected;
and at least two other electrodes in the plurality of touch acquisition electrodes are electrically connected with at least two touch pins on the touch sensing chip after penetrating through corresponding through holes, wherein the at least two other electrodes are electrodes except the last electrode in the plurality of touch acquisition electrodes.
3. The touch pad according to claim 2, wherein at least two matching resistors are disposed on the second surface, the at least two other electrodes are electrically connected to the at least two matching resistors after passing through the corresponding through holes, and the at least two matching resistors are electrically connected to at least two touch pins on the touch sensing chip.
4. The touch panel according to claim 1, wherein the plurality of touch acquisition electrodes are a plurality of copper layers linearly arranged on the first surface, and a predetermined gap is present between two adjacent copper layers.
5. The touch pad according to claim 4, wherein each copper layer is a polygonal copper layer, and the two adjacent copper layers are staggered in a zigzag manner so that a predetermined gap exists between the two adjacent copper layers.
6. The touch pad of claim 1, wherein the circuit board comprises: a rigid circuit board, and a flexible circuit board;
the touch control acquisition electrodes and the touch sensing chip are arranged on the hard circuit board, the flexible circuit board is further provided with a connector, an interrupt pin and a serial pin of the touch sensing chip are both connected with the connector, and the connector is used for connecting an external application circuit.
7. The touch pad of claim 6, wherein the external application circuit is a master control circuit for virtual reality glasses or augmented reality glasses.
8. The touch pad of claim 6, wherein the serial pin comprises: a data pin and a clock pin; the first surface of the circuit board is also provided with a first resistor, a second resistor and a third resistor;
an interrupt pin of the connector is connected with a power supply through the first resistor, and the first resistor is also connected with an interrupt pin of the touch sensing chip; the data pin of the connector is connected with a power supply through the second resistor, and the second resistor is also connected with the data pin of the touch sensing chip; and the clock pin of the connector is connected with a power supply through the third resistor, and the third resistor is also connected with the clock pin of the touch sensing chip.
9. The touch pad of claim 1, wherein the first side of the circuit board further has disposed thereon a first capacitance, a second capacitance, and a third capacitance;
the first capacitor is electrically connected with a capacitor pin of the touch sensing chip, and the second capacitor and the third capacitor are electrically connected with a voltage pin of the touch sensing chip.
10. Touch glasses, comprising: the touch pad of any of claims 1-9, and a host circuit; the touch glasses are virtual reality glasses or augmented reality glasses;
and the connector in the touch pad is electrically connected with the main control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769731.9U CN217506530U (en) | 2022-07-08 | 2022-07-08 | Touch pad and touch glasses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221769731.9U CN217506530U (en) | 2022-07-08 | 2022-07-08 | Touch pad and touch glasses |
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| CN217506530U true CN217506530U (en) | 2022-09-27 |
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| CN202221769731.9U Active CN217506530U (en) | 2022-07-08 | 2022-07-08 | Touch pad and touch glasses |
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| CN (1) | CN217506530U (en) |
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2022
- 2022-07-08 CN CN202221769731.9U patent/CN217506530U/en active Active
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