CN113238682B - Electronic equipment - Google Patents
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- CN113238682B CN113238682B CN202110515125.8A CN202110515125A CN113238682B CN 113238682 B CN113238682 B CN 113238682B CN 202110515125 A CN202110515125 A CN 202110515125A CN 113238682 B CN113238682 B CN 113238682B
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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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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G21/00—Input or output devices integrated in time-pieces
- G04G21/02—Detectors of external physical values, e.g. temperature
Abstract
The application discloses electronic equipment relates to the technical field of electronic equipment. The electronic device specifically comprises: the touch electronic fabric, the reference capacitor and the capacitor detection piece; the touch-sensitive electronic fabric comprises: at least one group of detection lines and grounding wires, wherein the detection lines and the grounding wires are all woven and connected together along the length direction of the detection lines and the grounding wires, and each detection line and the grounding wire is provided with a conductive wire core and an elastic compressible insulating skin layer coated outside the conductive wire core; one end of the conductive wire core of the detection line is connected with the capacitance detection piece, and the other end of the detection line is connected with the first end of the reference capacitance; one end of the conductive wire core of the grounding wire is connected with the capacitance detection piece, and the other end of the conductive wire core of the grounding wire is connected with the second end of the reference capacitance and grounded; the capacitance detection piece is used for detecting parasitic capacitance between the detection line and the grounding wire and triggering corresponding functions of the electronic equipment according to the parasitic capacitance.
Description
Technical Field
The application belongs to the technical field of electronic equipment, and particularly relates to electronic equipment.
Background
With the rapid development of textile technology, in recent years, touch-sensitive electronic fabrics having functions of sensing and reacting to the outside have been widely used. For example, application of the touch-sensitive electronic textile to an electronic device (e.g., a mobile terminal, a wearable device, etc.), may enable more diversification of the functional implementation of the electronic device.
Currently, when a touch-sensitive electronic fabric is applied to an electronic device, a plurality of microelectronic components (for example, pressure sensors) are disposed on a fabric cloth, thereby realizing a pressing touch-sensitive function of the electronic fabric. However, when the touch-sensitive electronic fabric manufactured in the above manner is applied in a large area, not only the function of the mapped electronic device is relatively single, but also the cost, volume and weight of the electronic device are relatively high.
Disclosure of Invention
An object of the embodiments of the present application is to provide an electronic device, which can solve the problems of high cost, large volume and large weight of the electronic device caused by sensing an electronic fabric.
In a first aspect, an embodiment of the present application provides an electronic device, including: the touch electronic fabric, the reference capacitor and the capacitor detection piece;
the touch-sensitive electronic textile comprises: at least one group of detection lines and grounding lines, wherein the detection lines and the grounding lines are all connected together in a weaving mode along the length direction of the detection lines and the grounding lines, and the detection lines and the grounding lines are all provided with elastic compressible insulating skins;
one end of the conductive wire core of the detection line is connected with the capacitance detection piece, and the other end of the conductive wire core of the detection line is connected with the first end of the reference capacitance; one end of the conductive wire core of the grounding wire is connected with the capacitance detection piece, and the other end of the conductive wire core of the grounding wire is connected with the second end of the reference capacitor and grounded;
the capacitance detection piece is used for detecting parasitic capacitance between the detection line and the grounding line and triggering corresponding functions of the electronic equipment according to the parasitic capacitance.
In this application embodiment, because detection line and earth connection all have conductive core to and the cladding is in the outer elasticity compressible insulating cortex of conductive core, consequently, under detection line and earth connection receive external force extrusion's the circumstances, detection line and earth connection both insulating cortex receive extrusion compression, and the distance between the conductive core of both reduces, and then parasitic capacitance between detection line and the earth connection that the electric capacity detection piece detected changes, and the electric capacity detection piece can trigger electronic equipment's different functions according to parasitic capacitance's variation. In this embodiment of the application, utilize the change of parasitic capacitance between detection line and the earth connection in the inductance electronic fabric, need not to set up electronic device such as pressure sensor on the inductance electronic fabric, can map and realize the multiple different functions of electronic equipment according to the change of parasitic capacitance, realization mode is simple, with low costs, volume and weight are also less.
Drawings
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
FIG. 2 is a schematic structural view of a touch-sensitive electronic fabric according to an embodiment of the present application;
FIG. 3 is one of the circuit schematic diagrams of the electronic device according to the embodiments of the present application;
FIG. 4 is a schematic cross-sectional view of the electronic textile shown in FIG. 3;
FIG. 5 is a schematic view of one state of the touch-sensitive electronic fabric shown in FIG. 3;
FIG. 6 is a schematic view of another state of the touch-sensitive electronic fabric shown in FIG. 5;
FIG. 7 is a schematic view of a structure of an elastic connector before being stressed according to an embodiment of the present application;
FIG. 8 is a schematic view of a structure of an elastic connector according to an embodiment of the present application after being stressed;
FIG. 9 is a schematic view of a zonal structure of an electronic fabric according to an embodiment of the present application;
FIG. 10 is a second schematic circuit diagram of an electronic device according to an embodiment of the present application;
FIG. 11 is a schematic diagram of a time-phased control of an electronic device according to an embodiment of the present disclosure;
fig. 12 is a third schematic circuit diagram of the electronic device according to the embodiment of the present application.
Reference numerals illustrate:
1: a watch body; 10: a touch-sensitive electronic fabric; 20: a reference capacitance; 30: a capacitance detecting member; 40: an elastic connection member; 11: a conductive wire core; 12: an insulating skin layer; 101: a detection line; 102: a ground wire; 103: a feedback line; 104: a light emitting member; 105: a tactile switch; 106: enable line.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The electronic device provided by the embodiment of the application is described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.
The electronic device in the embodiment of the application may be a smart phone, a computer, a multimedia player, an electronic reader, a wearable device, a camera, and the like. In the embodiment of the application, the structure and the principle of the electronic device are explained in detail by taking the smart watch as an example, and other references are only needed.
Referring to fig. 1, a schematic structural diagram of an electronic device according to an embodiment of the present application is shown. Referring to fig. 2, a schematic structural diagram of a touch-sensitive electronic fabric according to an embodiment of the present application is shown. Referring to fig. 3, one of the circuit schematics of the electronic device according to an embodiment of the present application is shown.
In this embodiment of the present application, the electronic device may specifically include: a touch-sensitive electronic fabric 10, a reference capacitance 20, and a capacitance detecting member 30; the touch-sensitive electronic textile 10 comprises: at least one group of detection lines 101 and grounding lines 102, wherein the detection lines 101 and the grounding lines 102 are connected together in a weaving manner along the length direction, and the detection lines 101 and the grounding lines 102 are provided with conductive wire cores 11 and elastic compressible insulating skin layers 12 coated outside the conductive wire cores 11; one end of the conductive wire core 11 of the detection line 101 is connected with the capacitance detection piece 30, and the other end is connected with the first end of the reference capacitance 20; one end of the conductive wire core 11 of the grounding wire 102 is connected with the capacitance detection piece 30, and the other end is connected with the second end of the reference capacitance 20 and grounded; the capacitance detecting member 30 is configured to detect a parasitic capacitance between the detecting line 101 and the ground line 102, and trigger a corresponding function of the electronic device according to the parasitic capacitance.
In this embodiment of the present application, because the detection line 101 and the ground wire 102 both have the conductive wire core 11 and the elastic compressible insulating cortex 12 coated outside the conductive wire core 11, therefore, under the condition that the detection line 101 and the ground wire 102 are extruded by external force, the insulating cortex 12 of the detection line 101 and the ground wire 102 are extruded and compressed, the distance between the conductive wire cores 11 of the two is reduced, and then the parasitic capacitance between the detection line 101 and the ground wire 102 detected by the capacitance detection element 30 is changed, and the capacitance detection element 30 can trigger different functions of the electronic device according to the change amount of the parasitic capacitance.
In this embodiment, by using the change of the parasitic capacitance between the detection line 101 and the ground line 102 in the sensing electronic fabric 10, various functions of the electronic device can be mapped and realized according to the change of the parasitic capacitance, and electronic devices such as a pressure sensor and the like are not required to be arranged on the sensing electronic fabric 10, so that the implementation mode is simple, the cost is low, and the volume and the weight are also small.
In practical applications, the touch sensitive electronic fabric 10 may be applied to various fields such as data lines, electronic clothing, and the like.
In this embodiment of the application, the electronic device may be a smart watch, and the smart watch includes: a wristwatch body 1, a band, and the like. In the embodiment of the application, the touch sensing electronic textile 10 can be manufactured into a watchband of the smart watch. Specifically, the sensing electronic textile 10 may be divided into a plurality of functional areas along the length direction of the watchband, each functional area corresponds to one or more functions of the smart watch, and the capacitance detection member 30 detects the change of the parasitic capacitance of the sensing electronic textile 10 corresponding to each functional area, so that the corresponding one or more functions can be triggered according to the change of the parasitic capacitance, thus, the watchband function of the smart watch is more diversified, and the inherent components of the smart watch can be utilized to realize multiple functions without adding other components, so that the smart watch is smaller in volume and more compact in structure.
In practice, the capacitance detecting member 30 includes, but is not limited to, a capacitance detecting chip. Specifically, the capacitance detection chip can be integrated on the main control board of the watch body 1, and also can be independently arranged on the watch band of the intelligent watch.
In the present embodiment, the detection line 101 and the ground line 102 include, but are not limited to, a common conductive cable. The detection line 101 and the ground line 102 may be the same type of cable, or may be different types of cable, and those skilled in the art may select the types or models of the detection line 101 and the ground line 102 according to actual situations, which is not specifically limited in the embodiment of the present application.
In practical applications, in order to further enhance the aesthetic appearance of the touch-sensitive electronic fabric 10, the insulating skins 12 of the detection line 101 and the ground line 102 may be provided with different colors.
In the embodiment of the present application, the sensing wire 101 and the ground wire 102 may be woven and connected together along the length direction thereof in any manner, and specific weaving manners include, but are not limited to, weaving manners of warp yarns and weft yarns in existing textiles. The present embodiment takes the case that the detection line 101 and the ground line 102 are cross-woven with other knitting lines of the sensing electronic textile 10, and the principle of the sensing electronic textile 10 is explained.
Optionally, the touch-sensitive electronic textile 10 may further comprise: a feedback line 103 and at least one light 104; the feedback line 103 is connected with the detection line 101 and the grounding line 102 in a braiding manner along the length direction, one end of the conductive wire core 11 of the feedback line 103 is connected with the grounding line 102, and the other end is connected with the capacitance detection piece 30 to form a feedback loop; the elastic connecting piece 40 corresponds to at least one light emitting piece 104, and the light emitting pieces 104 are connected in series on the feedback loop; when the elastic connection member 40 corresponding to the light emitting member 104 is elastically deformed, the capacitance detection member 30 turns on the feedback loop corresponding to the light emitting member 104 according to the detected parasitic capacitance to light the light emitting member 104.
In this embodiment of the present application, the light emitting element 104 may be an LED lamp, and the feedback wire 103 may be the same type or different types of cables as the detection wire 101 or the ground wire 102. In practical applications, the feedback wire 103 and the light emitting element 104 may be made by using a lamp strip in the prior art, or may be made by using a cable (feedback wire 103) +a lamp (light emitting element 104). In this embodiment, by conducting the feedback loop corresponding to the light emitting element 104, on one hand, the function of reminding the user that the corresponding function is started and operated in time can be achieved, and on the other hand, the function of beautifying the appearance of the electronic device can be achieved.
As shown in fig. 2, the touch-sensitive electronic textile 10 may comprise three strands: the wire 101, the ground wire 102, and the feedback wire 103 are detected, and the three strands are woven into a woven member having an approximately circular cross section. In this embodiment, the three-strand wire is woven with each other to be a woven rope, and parasitic capacitance between the detection wire 101 and the ground wire 102 exists at each position of the detection wire 101. In practical applications, the feedback wire 103 may be the same as the detection wire 101 and the ground wire 102, and the feedback wire 103 is a cable formed by a conductive wire core 11 and an elastic compressible insulating sheath 12 covering the conductive wire core 11. In addition, other functional components can be arranged on the feedback line 103 in series or in parallel, so that the watchband of the smart watch can have more functions. Of course, the feedback wire 103 may be a non-conductive braided wire having only a beautification effect, and may have an effect of connecting the detection wire 101 and the ground wire 102 and beautifying the appearance of the watchband.
As shown in fig. 3, a basic principle circuit diagram of an embodiment of the present application is shown. The capacitance detection part 30 is externally connected with 3 long wires, namely a detection line 101, a grounding line 102 and a lamp strip. The capacitance detection chip calculates the size of parasitic capacitance between the detection line 101 and the ground wire 102 by continuous charge and discharge on the detection line 101 and utilizes the charge and discharge rate, and when the size of the parasitic capacitance exceeds a set threshold value, the capacitance detection chip applies voltage on the lamp strip to light the lamp strip, so that external feedback is realized. In practical application, the parasitic capacitance detection and calibration can be performed in real time through a software algorithm, when the parasitic capacitance is at a certain fixed capacitance value for a long time, the capacitance value is used as a calibration value, so that only the capacitance variation is detected, and the function of the electronic equipment is prevented from being triggered by mistake.
Referring to fig. 4, a schematic cross-sectional view of the electronic textile of fig. 3 is shown. Referring to fig. 5, a schematic diagram of one state of the touch-sensitive electronic fabric of fig. 3 is shown. Referring to fig. 6, a schematic diagram of another state of the touch sensitive electronic fabric of fig. 5 is shown.
In this embodiment, the insulating skin 12 of the detection line 101 and the insulating skin 12 of the ground wire 102 may be connected at intervals by other intermediate members (as shown in fig. 4), and the insulating skin 12 of the detection line 101 and the insulating skin 12 of the ground wire 102 may also be directly connected in contact (as shown in fig. 5). As shown in fig. 5, when any one of the positions of the touch electronic textile 10 composed of the three strands is pressed, deformation between the detection line 101 and the ground line 102 occurs, so that parasitic capacitance corresponding to the detection line 101 is increased, and the parasitic capacitance is detected by the capacitance detection chip, thereby triggering a corresponding function. In practical applications, the capacitance detecting member 30 may be continuously charged and discharged on the detecting line 101, and the parasitic capacitance between the detecting line 101 and the ground line 102 is calculated using the charge and discharge rate. The parasitic capacitance formed between the sensing wire 101 and the ground wire 102 is related to the distance between the sensing wire 101 and the conductive wire core 11 of the ground wire 102, and therefore, when the sensing electronic textile 10 is deformed by an external force, the insulating skin 12 of the sensing wire 101 and the ground wire 102 is compressed by being pressed (as shown in fig. 6), so that the distance between the sensing wire 101 and the conductive wire core 11 of the ground wire 102 is reduced, thereby causing a change in the parasitic capacitance between the sensing wire 101 and the ground wire 102. The capacitance detecting member 30 can detect the magnitude of the parasitic capacitance between the detecting line 101 and the ground line 102 in real time, and trigger the corresponding function of the electronic device according to the variation amount or the frequency of the parasitic capacitance.
In this embodiment, for some deformation of the detection line 101 and the ground line 102 caused by pressure inherently existing in the outside, for example, when the wrist is used as the pressure of the wrist when the watchband is worn on the hand or the watchband is leaning on an external object, the parasitic capacitance change value caused by the inherent pressing can be calibrated through the function of real-time calibration, so that only the real-time parasitic capacitance change value is detected. In the embodiment of the application, the change frequency of the parasitic capacitance detected in real time can be detected, and different functions are correspondingly triggered. For example, as a watchband, the emergency call function may be triggered by five presses causing a change in parasitic capacitance five times; the parasitic capacitance is changed twice by the two presses, thereby turning on the lighting function. Specifically, the parasitic capacitance variable quantity and the variable frequency can be combined to correspond to more functions of the electronic equipment, and the parasitic capacitance variable quantity and the variable frequency can be set by a person skilled in the art according to actual conditions.
It will be appreciated that in practice, the touch sensitive electronic textile 10 may be configured in different shapes depending on the requirements of different products. For example, the touch-sensitive electronic textile 10 may be provided in a flat long-track shape to be more suitable as a wristband or the like of a wearable device such as a smart watch. The touch-sensitive electronic textile 10 may be provided in a three-dimensional thick and long trace shape as a data line or the like. Those skilled in the art may weave touch-sensitive electronic fabric 10 into any desired shape according to actual needs, and the embodiments of the present application are not limited in this regard.
In practical applications, the user may directly press the touch electronic fabric 10, so that when the detection line 101 and the ground line 102 are subjected to external force, the insulation skin 12 of the detection line 101 and the ground line 102 is compressed, and the distance between the conductive wire cores 11 of the two is changed. Of course, the sensing line 101 and the grounding line 102 of the sensing electronic fabric 10 can also be indirectly stressed, so as to trigger the deformation of the insulating skin 12 of the sensing electronic fabric 10 and the deformation of the distance between the conductive wire cores 11 of the sensing electronic fabric and the grounding line. The person skilled in the art can choose any of the above ways according to the actual circumstances.
In the embodiment of the present application, in order to make the functions of the electronic device more, the implementation manner is more diversified, and the touch electronic fabric 10 may be further segmented and partitioned to correspond to different functions. Specifically, the touch-sensitive electronic textile 10 may further comprise: an elastic connection member 40; the elastic connecting piece 40 is respectively connected with the insulating skin layer 12 of the detection line 101 and the grounding wire 102, and the elastic expansion and contraction direction of the elastic connecting piece 40 is perpendicular to the length direction of the detection line 101 and the grounding wire 102, and the elastic connecting piece 40 expands and contracts to drive the detection line 101 and the grounding wire 102 to be close to or far from each other. In this embodiment of the present application, the elastic connection piece 40 not only can enable the user to more accurately press the touch electronic fabric 10, but also can enable different functions to be achieved on the electronic device by pressing different parts of the watchband.
In practice, the elastic attachment 40 includes, but is not limited to, springs, elastic cords, elastic fabrics, and the like. For example, when the elastic connection member 40 is an elastic fabric, before being pressed, the elastic fabric is in a relaxed state (or in a natural state), and the distance between the detection line 101 and the ground line 102 in the corresponding sensing electronic fabric 10 is also in a default distance, when the user presses the elastic fabric, the elastic fabric is stressed and stretched to drive the detection line 101 and the ground line 102 to deform, the insulating skin layer 12 between the detection line 101 and the ground line 102 is compressed, the distance between the detection line 101 and the conductive core 11 of the ground line 102 is reduced, and the parasitic capacitance between the detection line 101 and the ground line 102 is changed, so that the corresponding function of the electronic device can be triggered according to the change of the parasitic capacitance.
In this embodiment, when the elastic connecting piece 40 is a sheet elastic fabric, the cost of the sheet elastic fabric is low, the flexibility is good, and the number of patterns is large, so that the cost of the watchband is low, the functions are multiple, and the wearing comfort is better.
In the embodiment of the present application, the number of the elastic connection pieces 40 is at least one, and at least one elastic connection piece 40 is distributed along the length direction of the detection line 101 and the grounding line 102; the capacitance detecting member 30 is configured to detect parasitic capacitances between the detection lines 101 and the ground lines 102 corresponding to the one or more elastic connecting members 40, respectively, and trigger corresponding functions of the electronic device according to the parasitic capacitances. In the case where the number of elastic connectors 40 is one, the length of one elastic connector 40 may be the same as the length of the touch-sensitive electronic textile 10 composed of the sensing wire 101 and the ground wire 102. Under the condition that the elastic connecting piece 40 is elastically deformed, the elastic connecting piece 40 drives the detection line 101 and the grounding wire 102 to be close to or far away from each other, so that the insulating skin layer 12 between the detection line 101 and the grounding wire 102 is compressed or stretched, and further the distance between the detection line 101 and the conductive wire core 11 of the grounding wire 102 is driven to be reduced or increased, and finally parasitic capacitance formed by the detection line 101 and the grounding wire 102 is changed. When the capacitance detection chip detects the change of the parasitic capacitance, different functions of the electronic device can be triggered according to the change amount, the change frequency and the like of the parasitic capacitance.
Alternatively, the touch-sensitive electronic textile 10 may comprise: a plurality of groups of detection lines 101 and ground lines 102; one or more elastic connectors 40 are arranged between each two groups of detection lines 101 and the grounding wire 102, and two ends of each elastic connector 40 are respectively connected to the insulating skin 12 of the detection line 101 and the grounding wire 102 of different groups.
In this embodiment, the watchband may include multiple groups of detection lines 101 and ground lines 102, where the multiple groups of detection lines 101 and ground lines 102 may be connected to the same capacitance detection element 30 and the same reference capacitance 20; alternatively, each group of the detection lines 101 and the ground line 102 may be provided with a reference capacitor 20, and the plurality of groups of the detection lines 101 and the ground line 102 are connected to the same capacitor detection member 30, thereby being more beneficial to saving cost. Those skilled in the art may set the setting according to the actual situation, and the embodiment of the present application is not particularly limited thereto.
Referring to fig. 7, a schematic structural diagram of an elastic connector according to an embodiment of the present application is shown before being stressed. Referring to fig. 8, a schematic structural diagram of an elastic connector according to an embodiment of the present application after being stressed is shown.
In practical application, since two ends of one elastic connecting piece 40 are connected with the insulating skin 12 of two adjacent groups of detection lines 101 and the grounding line 102, when each elastic connecting piece 40 is elastically deformed by the pressing force F, the two adjacent groups of detection lines 101 and the grounding line 102 can be driven to deform, so that parasitic capacitance between the two groups of detection lines 101 and the grounding line 102 is changed. In the embodiment of the application, the parasitic capacitance between the two groups of detection lines 101 and the ground wire 102 is detected simultaneously, so that the accuracy of the corresponding function of the electronic equipment can be triggered by the capacitance detection chip through detecting the parasitic capacitance. For example, the parasitic capacitance between the two sets of detection lines 101 and the ground line 102 can be used as a primary and a standby (i.e., one is the primary parasitic capacitance used in normal operation and one is the standby parasitic capacitance) to be mutually used as a reference for detection, so as to effectively avoid the problem of false triggering.
In this embodiment of the present application, a plurality of groups of detection lines 101 and ground lines 102 may be further set according to requirements, so that more functions are mapped, and functions of electronic devices are more diversified, and application ranges are wider.
Referring to fig. 9, a schematic diagram of a zoning structure of an electronic fabric according to an embodiment of the present application is shown. As shown in fig. 9, the watchband of the smart watch can be divided into functional areas 1, 2, 3, 4 and 5, … …, wherein each functional area is correspondingly provided with an elastic connecting piece 40, and the elastic connecting pieces 40 between each functional area are independent and not connected with each other, so that crosstalk between the areas can be effectively avoided. When the elastic connection piece 40 corresponding to each functional area is pressed to deform, the elastic connection piece 40 drives the corresponding section of detection line 101 and the grounding wire 102 to generate the largest deformation amount, so that the parasitic capacitance between the detection line 101 corresponding to the functional area and the grounding wire 102 changes the largest, and the corresponding function can be triggered when the parasitic capacitance change amount meets the preset condition. In practical applications, the preset condition may be one or more preset thresholds, and one function of the electronic device may be mapped for each preset threshold.
In practical application, when the area 1 is pressed, information such as a two-dimensional code of the electronic equipment can be quickly opened to pay or add friends; when the area 2 is pressed, a lamp band in the electronic braid can be turned on for illumination and the like; when the area 3 is pressed, the call can be accepted; when the area 4 is pressed, the call can be refused; when the area 5 is pressed, the movement data and the like can be quickly opened for the user to check; when the area 6 is pressed, operations such as music can be quickly played. It will be understood that only some of the functional mapping cases are listed here, and may be modified to different extents according to the needs, which is not limited in the embodiments of the present application.
In practical application, a plurality of sensing switches 105 may be serially arranged on the detection line 101, and the detection line 101 is segmented by opening or closing the sensing switches 105. Of course, it is also possible to trigger the corresponding function of the electronic device by detecting, in time periods, a change in parasitic capacitance between the detection line 101 and the ground line 102 corresponding to each elastic connection 40 through a detection line 101 corresponding to each elastic connection 40, which is separately connected to the capacitance detection chip.
In this embodiment of the present application, the electronic device may further include: at least one tactile switch 105; at least one of the tactile switches 105 is connected in series on the detection line 101, and in the same period, in a direction away from the capacitance detecting member 30, at least one of the tactile switches 105 is simultaneously opened or simultaneously closed; the capacitance detecting member 30 is configured to detect parasitic capacitance between the detection line 101 and the ground line 102 corresponding to one or more elastic connection members 40 when at least one of the tactile switches 105 is simultaneously opened or simultaneously closed, and trigger a corresponding function of the electronic device according to the parasitic capacitance.
It will be appreciated that without the tactile switch 105, the entire detection line 101 may correspond to one or more functions, in which case parasitic capacitance between the detection line 101 and the ground line 102 need not be detected for a period of time. In the case where the number of the tactile switches 105 is greater than or equal to one, in order to realize detection of the multi-segment detection line 101, it is necessary to detect the multi-segment detection line 101 in a time period, that is, only the parasitic capacitance between the corresponding one of the segments of detection line 101 and the ground line 102 is detected in one of the time periods. In the case where the number of the tactile switches 105 is N (n≡1), the detection lines 101 are divided into n+1 segments, and at this time, each segment of the detection lines 101 may be corresponding to one elastic connection member 40, and the change in parasitic capacitance between each segment of the detection lines 101 and the ground line 102 may correspond to one or more functions of the electronic device.
In the embodiment of the present application, the tactile switch 105 may be a field effect transistor; the source electrode of the field effect transistor is connected to the first end of the reference capacitor 20 through a detection line 101, the drain electrode of the field effect transistor is connected to the source electrode of the adjacent field effect transistor or to the capacitance detection member 30 through the detection line 101, and the grid electrode of the field effect transistor is connected with the capacitance detection member 30; and the field effect transistor is used for controlling the connection or disconnection between the drain electrode and the source electrode according to the connection and disconnection signal sent by the capacitance detection piece 30.
In this embodiment of the present application, the field effect transistor may be a metal-oxide-semiconductor (MOS) field effect transistor (abbreviated as MOS transistor), the capacitance detection element 30 applies a high level to the gate of the field effect transistor, and a current passes between the source and the drain of the field effect transistor, that is, the source and the drain are in a conductive state; a low level is applied to the gate of the field effect transistor, i.e. disconnected between the source and drain of the field effect transistor.
In the embodiment of the present application, in the case that the number of the elastic connection members 40 is N, the number of the tactile switches 105 is N-1, wherein N is greater than or equal to 1; wherein each elastic connection 40 corresponds to a detection period; in the same detection period, in the direction away from the capacitance detection member 30, under the condition that the N-1 inductive switches 105 are simultaneously turned off, the capacitance detection member 30 detects parasitic capacitance between the detection line 101 and the ground line 102 corresponding to the 1 st elastic connection member 40, and triggers corresponding functions of the electronic device according to the parasitic capacitance; in the same detection period, in the direction away from the capacitance detection member 30, when the N-1 inductive switches 105 are simultaneously closed, the capacitance detection member 30 detects the parasitic capacitance between the detection line 101 and the ground line 102 corresponding to the nth elastic connection member 40, and triggers the corresponding function of the electronic device according to the parasitic capacitance.
In this embodiment of the present application, by closing one or more switches at different periods simultaneously along the direction away from the capacitance detecting member 30, the sectional detection of the parasitic capacitance of the detection line 101 can be achieved, and the implementation manner is simple and the operability is high.
In the embodiment of the present application, the principle of the detection line 101 and the ground line 102 are explained by taking an example that the detection line 101 and the ground line 102 are divided into four sections by the sensing switch 105, that is, four areas in the watchband are divided to realize multiple sensing functions.
Referring to fig. 10, a second schematic circuit diagram of the electronic device according to an embodiment of the present application is shown. Referring to fig. 11, a schematic diagram of time-division control of an electronic device according to an embodiment of the present application is shown.
As shown in fig. 10, the watchband is provided with four areas to realize multiple sensing functions, the number of the MOS transistors is three, and the three MOS transistors divide the detection line 101 into four sections; parasitic capacitance may be formed between each segment of the detection line 101 and the ground line 102. Along the direction away from the capacitance detection member 30, the detection lines 1011, 1012, 1013, and 1014 are respectively provided, the MOS transistors are respectively provided with a MOS transistor A1, a MOS transistor A2, and a MOS transistor A3, the parasitic capacitance corresponding to the detection line 1011 is provided with a parasitic capacitance C1, the parasitic capacitance corresponding to the detection line 1012 is provided with a parasitic capacitance C2, the parasitic capacitance corresponding to the detection line 1013 is provided with a parasitic capacitance C3, and the parasitic capacitance corresponding to the detection line 1014 is provided with a parasitic capacitance C4. Correspondingly, the capacitance detection chip detects parasitic capacitance between the detection line 101 and the ground line 102 in four periods of time, where the four periods of time are respectively: period T1, period T2, period T3, and period T4. In the period T1, the capacitance detection chip enables the gates of the MOS transistor A1, the MOS transistor A2 and the MOS transistor A3 to be at low level, and all the sources and drains of the three switch MOS transistors are turned off (disconnected), so that the capacitance detection chip can only detect the parasitic capacitance 1 corresponding to the detection line 1011, if the capacitance detection chip is C1, if the detection line 1011 or the elastic connector 40 corresponding thereto is not pressed (the detection line 101 is pressed and the magnitude of the parasitic capacitance 1 is not affected), the C1 will not be changed greatly, if the detection line 1011 is pressed, and the C1 detected by the capacitance detection chip will be changed. In the embodiment of the present application, whether or not an external signal such as a press is present on the detection line 1011 is determined by the amount of change in C1. During the period T2, the gate of the MOS transistor A1 is enabled to be at a high level, the source and the drain of the MOS transistor A1 are turned on, and the gates of the remaining MOS transistors A2 and A3 are enabled to be at a low level, so that the capacitance detection chip can detect the real-time value change of the parasitic capacitance 1 corresponding to the detection line 1011 and the parasitic capacitance 2 corresponding to the detection line 1012, if the detected capacitance value is Cii, c2=cii-C1, and by real-time detection and difference calculation, the real-time value change of C2 can be independently determined. Similarly, the detection of the pressing signal on the detection line 1013 can be achieved by simultaneously enabling the MOS transistor A1 and the MOS transistor A2 to be in the on state during the period T3; during the period T4, the MOS transistor A1, the MOS transistor A2, and the MOS transistor A3 are simultaneously enabled to be in the on state, thereby realizing signal detection of the press on the detection line 1014.
As shown in fig. 10, each section of detection line 101 may be correspondingly provided with a feedback assembly formed by a group of feedback lines 103 and at least one light emitting element 104, and in this embodiment of the present application, a lamp strip is taken as an example, so that when the corresponding function of the electronic device is triggered according to the parasitic capacitance of each section of detection line 101, the corresponding lamp strip may be triggered to be turned on, thereby reminding the user that the corresponding function is turned on.
In the embodiment of the application, in order to distinguish and reduce the influence of external temperature and the slow influence on parasitic capacitance caused by the solid deformation of the detection line 101 and the ground line 102 due to long-time braiding, the influence on parasitic capacitance caused by the up-down electricity of other enable lines is reduced, rather than the influence on the abrupt change of parasitic capacitance caused by the pressing signal. In this embodiment of the present application, it may be set that the capacitance average value (average value) of each segment of the detection line 101 corresponds to C respectively avg1 ，C avg2 ，C avg3 ，C avg4 . In C avg1 For the purposes of illustration, C avg1 The magnitude of (2) is equal to the average value of C1 obtained by detection and calculation in a period of time (t 0-t1 period). When detecting C1-C in real time avg1 >When the threshold value DeltaC 1 (the same as the other sections of wiring), it is determined that the detection line 1011 is pressed by the outside and entersTriggering the corresponding functions of the electronic equipment (for example, opening information such as a two-dimensional code to pay or adding friends and the like); otherwise, the capacitance fluctuation in the error range is considered, the corresponding function of the electronic equipment is not triggered, or a false triggering prompt can be sent out, so that a user can confirm whether the false triggering is performed. When it is determined that the detection line 101 is pressed, C avg No more update calculations are performed when C1-C is detected avg1 <After the threshold DeltaC 1, then C is recalculated avg1 This can avoid the problem of erroneous release caused by pressing the middle for a short time.
In this embodiment of the present application, when the corresponding function of the electronic device is triggered, the parasitic capacitance corresponding to each section of detection line 101 may be detected separately as described above, and when the difference between the detected parasitic capacitance and the average capacitance value is greater than a preset threshold, one function of the electronic device is triggered. It can be understood that a plurality of (greater than or equal to 2) elastic connectors 40 or the multi-segment detection lines 101 may also be detected at the same time, and when it is detected that the parasitic capacitance corresponding to the multi-segment detection lines 101 meets the preset condition, the corresponding function of the electronic device (for example, opening a WeChat, etc.) is triggered. In practical application, the multiple detection lines 101 may be combined, so that the function triggering modes of the electronic device are more diversified.
Optionally, the touch-sensitive electronic textile 10 may further comprise: a function and enable line 106; the enabling wires 106 are respectively connected with the detection wire 101 and the grounding wire 102 in a weaving mode in a preset mode, and the enabling wires 106 are used for respectively connecting the functional piece and the capacitance detection piece 30; a capacitance detecting member 30 for transmitting an enabling electric signal to the function member via an enabling line 106 to enable the function member; the enabling electrical signal is at the same frequency as the detection electrical signal on the detection line 101.
In the embodiments of the present application, the watchband of the wristwatch may have other functions. The function may include: flash, infrared sensor, temperature sensor, heart rate sensor, etc. For example, the self-locking function may be provided by attaching a self-retracting clasp to the end of the expression by the enabling cord 106.
In practical applications, when there are other enable lines 106 (conductive yarns) mentioned above, in order to shield the parasitic capacitance of the detection line 101 from the other enable lines 106, it is necessary to apply the enable signal on the enable line 106 at the same frequency as the detection signal on the ground line 102. Specifically, referring to fig. 11, the enable line 106 generates an electric signal with the same frequency as that of the detection line 101, so as to ensure that the real-time voltage difference between the enable line 106 and the detection line 101 is 0, and because q=cv, no additional charge is generated when the detection line 101 charges and discharges to detect the parasitic capacitance, i.e. the parasitic capacitance of other conductive yarns is not detected, so that the influence of the parasitic capacitance of the detection line 101 by other conductive yarns can be effectively avoided.
Referring to fig. 12, a third schematic circuit diagram of the electronic device according to an embodiment of the present application is shown. As shown in fig. 12, in the embodiment of the present application, the light band may be used as one of the feedback lines 103, and woven together with the detection line 101 and the ground line 102, and when the parasitic capacitance change corresponding to a certain section of the detection line 101 meets a preset condition, the light band is turned on, so as to achieve the effect of attractive watchband appearance. It will be appreciated that various other functional elements may be connected to the feedback line 103, and the embodiment of the present application is only exemplified by the light emitting element 104, and other references may be made.
In summary, the electronic device according to the embodiments of the present application at least includes the following advantages:
in this application embodiment, because detection line and earth connection all have conductive core to and the cladding is in the outer elasticity compressible insulating cortex of conductive core, consequently, under detection line and earth connection receive external force extrusion's the circumstances, detection line and earth connection both insulating cortex receive extrusion compression, and the distance between the conductive core of both reduces, and then parasitic capacitance between detection line and the earth connection that the electric capacity detection piece detected changes, and the electric capacity detection piece can trigger electronic equipment's different functions according to parasitic capacitance's variation. In this embodiment of the application, utilize the change of parasitic capacitance between detection line and the earth connection in the inductance electronic fabric, need not to set up electronic device such as pressure sensor on the inductance electronic fabric, can map and realize the multiple different functions of electronic equipment according to the change of parasitic capacitance, realization mode is simple, with low costs, volume and weight are also less.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (10)
1. An electronic device, the electronic device comprising: the touch electronic fabric, the reference capacitor and the capacitor detection piece;
the touch-sensitive electronic textile comprises: the detection line and the grounding wire are connected together in a braiding mode along the length direction, and each detection line and each grounding wire are provided with a conductive wire core and an elastic compressible insulating skin layer which is coated outside the conductive wire core; the detection line, the grounding line and other braided lines of the touch electronic fabric are braided together in a three-strand line crossing manner;
one end of the conductive wire core of the detection line is connected with the capacitance detection piece, and the other end of the conductive wire core of the detection line is connected with the first end of the reference capacitance; one end of the conductive wire core of the grounding wire is connected with the capacitance detection piece, and the other end of the conductive wire core of the grounding wire is connected with the second end of the reference capacitor and grounded;
the capacitance detection piece is used for detecting parasitic capacitance between the detection line and the grounding line and triggering corresponding functions of the electronic equipment according to the parasitic capacitance;
when any one position of the sensing electronic fabric is pressed, deformation is generated between the detection line and the grounding line, so that parasitic capacitance corresponding to the detection line is changed.
2. The electronic device of claim 1, wherein the touch-sensitive electronic fabric further comprises: an elastic connection member;
the elastic connecting piece is respectively connected with the detection line and the insulating cortex of the grounding wire, the elastic expansion direction of the elastic connecting piece is perpendicular to the length direction of the detection line and the grounding wire, and the elastic connecting piece expands and contracts to drive the detection line and the grounding wire to be close to or far away from each other.
3. The electronic device of claim 2, wherein the number of elastic connectors is at least one, and at least one elastic connector is distributed along the length direction of the detection line and the ground line;
the capacitance detection piece is used for respectively detecting parasitic capacitances between the detection lines and the grounding lines corresponding to one or more elastic connection pieces, and triggering corresponding functions of the electronic equipment according to the parasitic capacitances.
4. The electronic device of claim 3, wherein the touch-sensitive electronic fabric further comprises: a feedback line and at least one light emitting member;
the feedback wire is connected with the detection wire and the grounding wire in a braiding manner along the length direction of the feedback wire, one end of the feedback wire is connected with the grounding wire, and the other end of the feedback wire is connected with the capacitance detection piece to form a feedback loop;
the elastic connecting piece corresponds to at least one luminous piece, and the luminous pieces are connected in series on the feedback loop;
and under the condition that the elastic connecting piece corresponding to the luminous piece is elastically deformed, the capacitance detection piece conducts the feedback loop corresponding to the luminous piece according to the detected parasitic capacitance so as to lighten the luminous piece.
5. The electronic device of claim 3, wherein the electronic device further comprises: at least one tactile switch;
at least one of the tactile switches is connected in series on the detection line;
in the same period, at least one of the tactile switches is simultaneously opened or simultaneously closed along the direction away from the capacitance detection piece;
the capacitance detection piece is used for detecting parasitic capacitance between the detection line and the grounding wire corresponding to one or more elastic connection pieces under the condition that at least one of the inductive switches is simultaneously opened or simultaneously closed, and triggering corresponding functions of the electronic equipment according to the parasitic capacitance.
6. The electronic apparatus according to claim 5, wherein in the case where the number of the elastic connection members is N, the number of the tactile switches is N-1, wherein N.gtoreq.1; wherein each elastic connecting piece corresponds to a detection period;
in the same detection period, under the condition that N-1 inductive switches are simultaneously disconnected along the direction away from the capacitance detection piece, the capacitance detection piece detects parasitic capacitance between the detection line corresponding to the 1 st elastic connection piece and the grounding wire, and triggers the corresponding function of the electronic equipment according to the parasitic capacitance;
in the same detection period, under the condition that N-1 inductive switches are simultaneously closed along the direction away from the capacitance detection piece, the capacitance detection piece detects parasitic capacitance between the detection line corresponding to the Nth elastic connection piece and the grounding wire, and corresponding functions of the electronic equipment are triggered according to the parasitic capacitance.
7. The electronic device of claim 5, wherein the tactile switch is a field effect transistor;
the source electrode of the field effect transistor is connected to the first end of the reference capacitor through the detection line, the drain electrode of the field effect transistor is connected to the source electrode of the adjacent field effect transistor or connected to the capacitor detection piece through the detection line, and the grid electrode of the field effect transistor is connected with the capacitor detection piece;
the field effect transistor is used for controlling the connection or disconnection between the drain electrode and the source electrode according to the on-off signal sent by the capacitance detection piece.
8. The electronic device of claim 2, wherein the touch-sensitive electronic textile comprises: a plurality of groups of detection lines and grounding lines;
one or more elastic connecting pieces are arranged between every two groups of detection lines and the grounding line, and two ends of each elastic connecting piece are respectively connected to the detection lines and the insulating skin layers of the grounding line in different groups.
9. The electronic device of claim 1, wherein the touch-sensitive electronic fabric further comprises: a function and an enable line;
the enabling wires are respectively connected with the detection wire and the grounding wire in a weaving mode in a preset mode, and the enabling wires are respectively connected with the functional piece and the capacitance detection piece;
the capacitance detection piece is used for sending an enabling electric signal to the functional piece through the enabling line so as to enable the functional piece; the enabling electric signal and the detection electric signal on the detection line correspond to the same frequency.
10. The electronic device of claim 2, wherein the elastic connection comprises: at least one of a spring, an elastic rope and an elastic fabric.
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| CN1813324A (en) * | 2003-06-24 | 2006-08-02 | 皇家飞利浦电子股份有限公司 | Stretchable fabric switch |
| CN102002791B (en) * | 2010-11-29 | 2011-09-28 | 武汉纺织大学 | Touch electronic fabric |
| CN107066128A (en) * | 2015-09-15 | 2017-08-18 | 新益先创科技股份有限公司 | Wearable device with capacitance sensing function and interactive robot pet |
| US10149036B1 (en) * | 2015-10-07 | 2018-12-04 | Google Llc | Preventing false positives with an interactive cord |
| JP7416357B2 (en) * | 2018-05-16 | 2024-01-17 | サンコ テキスタイル イスレットメレリ サン ベ ティク エーエス | Composite yarn for position detection for capacitive touch sensing |
| US11177804B2 (en) * | 2018-12-20 | 2021-11-16 | Sanko Tekstil Isletmeleri San. Ve Tic. A.S. | Wearable touch sensitive garment |
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