CN111465225B - Intelligent wearable device - Google Patents
Intelligent wearable device Download PDFInfo
- Publication number
- CN111465225B CN111465225B CN202010300478.1A CN202010300478A CN111465225B CN 111465225 B CN111465225 B CN 111465225B CN 202010300478 A CN202010300478 A CN 202010300478A CN 111465225 B CN111465225 B CN 111465225B
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- circuit board
- coil
- key
- inductance
- key circuit
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
Abstract
The invention discloses intelligent wearable equipment, which comprises an inductance key; the inductance key comprises a key circuit board and a coil circuit board; the key circuit board comprises a second substrate; coating copper on the surface of the second substrate; the coil circuit board comprises a first substrate and an inductance coil; the inductance coil is fixedly arranged on the first substrate; the key circuit board is opposite to the inductance coil, a gap is arranged between the key circuit board and the inductance coil, and the gap is changed when the key circuit board is pressed to trigger the inductance key. The intelligent wearable equipment is provided with the key circuit board, and the key circuit board is connected with the coil circuit board; because the sheetmetal thickness of button circuit board among the prior art is big, it is more convenient to take and install, effectively avoids the sheetmetal among the prior art to drop and the condition of getting more, improves intelligent wearing equipment's packaging efficiency.
Description
Technical Field
The invention belongs to the technical field of electronic products, and particularly relates to intelligent wearable equipment.
Background
The existing intelligent wearable devices such as an intelligent watch and an intelligent bracelet comprise inductance keys, wherein the inductance keys comprise metal sheets and coil circuit boards; the coil circuit board comprises an inductance coil which is opposite to the metal sheet; the metal sheet is fixedly connected with the coil circuit board through the double-sided adhesive tape, so that a gap is formed between the metal sheet and the inductance coil; the size of the gap is changed by deforming the touch metal sheet, and the inductance key is triggered.
Because the sheetmetal is thinner, the volume is less, so take and the installation of in-process sheetmetal at the installation is inconvenient, drops easily or gets more, influences intelligent wearing equipment's packaging efficiency.
Disclosure of Invention
The invention provides intelligent wearable equipment, which enables the assembly of an inductance key to be more convenient and improves the assembly efficiency of the intelligent wearable equipment by setting a key circuit board.
In order to solve the technical problems, the invention adopts the following technical scheme:
an intelligent wearable device comprises an inductance button; the inductance button includes:
the key circuit board comprises a second substrate; coating copper on the surface of the second substrate;
the coil circuit board comprises a first substrate and an inductance coil; the inductance coil is fixedly arranged on the first substrate; the key circuit board is opposite to the inductance coil, a gap is arranged between the key circuit board and the inductance coil, and the gap is changed when the key circuit board is pressed to trigger the inductance key.
As a specific structural design of the intelligent wearable device, the intelligent wearable device further comprises a first connecting piece which is a flexible conductive piece; the first connecting piece comprises a first interface and a second interface; a first corresponding interface and a second corresponding interface which are correspondingly connected and adapted with the first interface and the second interface are respectively arranged on the key circuit board and the coil circuit board; the first interface is connected with the first corresponding interface; the second interface is connected with the second corresponding interface; the second corresponding interface is grounded.
Preferably, the first connector is a flexible circuit board.
As another specific structural design of the intelligent wearable device, the inductance coil is arranged in the middle of the first substrate; copper cladding is arranged on the first substrate and on the periphery of the inductance coil, and the copper cladding is grounded.
The second connecting piece is arranged between the key circuit board and the coil circuit board and is respectively connected with the key circuit board and the coil circuit board, so that the gap is formed between the key circuit board and the inductance coil.
Further, the copper-clad parts at two ends of the coil circuit board are set to be first exposed copper; setting the copper-clad part corresponding to the first copper-clad part on the key circuit board as second copper-clad part; the second connecting piece is a conductive piece and is positioned between the key circuit board and the coil circuit board and respectively connected with the first copper exposure and the second copper exposure.
Preferably, the second connecting piece is a conductive double-sided adhesive tape, a solder paste or a conductive copper foil.
Furthermore, the device also comprises a shell and a display screen; an opening is formed in the shell; the display screen is connected and matched with the opening and is fixedly connected with the opening; the key circuit board and the coil circuit board are accommodated in the shell; the key circuit board is fixed on the display screen.
Preferably, the display screen comprises an inner screen and an outer screen; the key circuit board is fixedly connected with the inner screen through a double faced adhesive tape.
Further, the housing includes a bottom plate opposite to the opening; a flange extending towards the middle part is arranged in the opening and on the inner wall of the shell and is parallel to the bottom plate; the display screen is mounted on the flange.
Compared with the prior art, the intelligent wearable equipment has the advantages and positive effects that: the intelligent wearable equipment is provided with the key circuit board, and the key circuit board is connected with the coil circuit board; because the metal sheet thickness of button circuit board among the prior art is big, it is more convenient to take and install, effectively avoids dropping and the condition of getting more, improves intelligent wearing equipment's packaging efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of an intelligent wearable device provided by the invention;
fig. 2 is a partial structural sectional view of an embodiment of the smart wearable device in fig. 1;
FIG. 3 is a schematic diagram of a display screen and an inductive button;
FIG. 4 is a schematic view of a mounting structure of the key circuit board and the coil circuit board;
fig. 5 is an equivalent circuit of the parasitic capacitance of the inductor key.
In the figure, the position of the upper end of the main shaft,
1. a display screen; 2. a key circuit board; 3. a coil circuit board; 4. a housing; 5. double-sided adhesive tape; 6. a second connecting member; 7. a gap; 11. an outer screen; 12. an inner screen; 21. A second substrate; 22. a first connecting member; 31. a first substrate; 32. first copper exposure; 41. an opening; 42. an inner wall; 43. a flange; 44. a base plate; 45. an edge; 46. a trench edge; 212. And exposing copper for the second time.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1, 2, 3 and 4, the invention discloses an intelligent wearable device, which comprises an inductance key; the inductance key comprises a key circuit board 2 and a coil circuit board 3; the key circuit board 2 includes a second substrate 21; copper is coated on the second substrate 21 to be used as a metal sheet of an inductance button of the existing intelligent wearable device. The coil circuit board 3 includes a first substrate 31, an inductance coil; the inductor is fixedly disposed on the first substrate 31. The key circuit board 2 and the coil circuit board 3 are arranged in an overlapping manner; the key circuit board 2 is opposite to the inductance coil, and a gap 7 is arranged between the key circuit board 2 and the inductance coil and used for providing a space for the key circuit board 2 to deform when the key circuit board 2 is pressed.
The key circuit board 2 is used as a metal sheet of an inductance key of the intelligent wearable device; the touch key circuit board 2 deforms to change the size of the gap 7, namely, the distance between the copper-clad part on the surface of the key circuit board 2 and the inductance coil is changed, so that the oscillation frequency of an oscillation circuit consisting of the inductance coil is changed, and the change of the oscillation frequency is detected to trigger the inductance key.
According to the intelligent wearable device, the effect of the metal sheet of the inductance key is realized through the key circuit board 2, and compared with the metal sheet used by the inductance key in the prior art, the metal sheet is easier to take and avoids taking too much, so that the assembly efficiency is improved when the inductance coil is assembled, and the reject ratio is reduced.
The following describes in detail the specific structural design and principle of the intelligent wearable device according to the present invention with specific embodiments.
Referring to fig. 1, 2 and 3, the connector further includes a first connector 22, which is a flexible conductor and includes a first interface and a second interface; the key circuit board 2 and the coil circuit board 3 are respectively provided with a first corresponding interface and a second corresponding interface which are correspondingly connected and adapted with the first interface and the second interface respectively, the first interface is connected with the first corresponding interface, the second interface is connected with the second corresponding interface, and the second corresponding interface is grounded; according to the invention, the key circuit board 2 is grounded through the connection between the first connecting piece 22 and the second corresponding interface and the grounding of the second corresponding interface, so that the capacitance effect is reduced or eliminated when the inductance key is used, the problem of false triggering caused by the capacitance effect of the inductance key is solved, and the user experience is improved.
Specifically, referring to fig. 5, the principle of the inductor key is a resonant capacitor CtAnd the resonant inductor L form a resonant circuit with certain oscillation frequency. A key circuit board 2 capable of generating elastic deformation is arranged on one side of the inductance coil; when the key circuit board is pressed, the copper clad of the key circuit board 2 generates elastic deformation and interacts with the resonance current in the inductance coil to change the oscillation frequency; when the amplitude of the change of the oscillation frequency reaches the detection range, the inductive key is considered to be triggered. When the key circuit board 2 is a hard board, the change of the oscillation frequency can be amplified by arranging the frequency amplifier, so that the micron-scale deformation of the key circuit board 2 can be identified.
However, first parasitic capacitances C are respectively generated between the key circuit board 2 and the inductance coil, between the human body and the key circuit board 2, and between the key circuit board 2 and the ground of the coil circuit board 3sA second parasitic capacitor ChA third parasitic capacitance CgAffecting the oscillation frequency. Especially, when a person approaches the inductance key and presses the inductance key, the second parasitic capacitance C of the parasitic capacitance between the human body and the key circuit board 2hChanges in the value of (c) cause a change in the oscillation frequency and thus cause false triggering. The inductance key of the invention connects the key circuit board 2 with the ground, reduces or eliminates the parasitic capacitance between the human body and the key circuit board 2, namely the second parasitic capacitance ChThe problem of false triggering caused by the capacitive effect of the inductance key when a human body approaches is solved, and user experience is improved.
Preferably, the first connector 22 is a flexible circuit board.
In one embodiment, the key circuit board 2 is a flexible circuit board; the copper clad is a copper foil provided in the second substrate 21. The first connector 22 is a flexible circuit board, which includes a third substrate and a lead; the lead is arranged on the third substrate; the second substrate 211 is integrally formed with the third substrate; the lead is connected with the copper foil of the key circuit board 2; the second interface is connected with the lead; and a second corresponding interface which is matched with the second interface in connection is arranged on the coil circuit board 3, and the second interface is connected with the second corresponding interface. The structure enables the key circuit board 2 to be connected with the ground, so that the capacitance effect is reduced or eliminated when the inductance key is used, the problem of false triggering caused by the capacitance effect of the inductance key is solved, and the user experience is improved.
In addition, the key circuit board 2 is a flexible circuit board, so that the difficulty of elastic deformation caused by touching and pressing the key circuit board 2 is reduced, and the space occupied by the key circuit board 2 is reduced. Because first connecting piece 22 makes with key-press circuit board 2 integrated into one piece, further improves intelligent wearing equipment's packaging efficiency.
In an embodiment, referring to fig. 1, 2, 3 and 4, the electronic device further includes a second connecting member 6 disposed between the key circuit board 2 and the coil circuit board 3, and respectively connected to the key circuit board 2 and the coil circuit board 3, so as to generate a gap 7 between the key circuit board 2 and the inductor coil, thereby forming a structure of the inductor key. The inductor coil is arranged in the middle of the first substrate 31; copper cladding is arranged on the first substrate 31 and on the periphery of the inductance coil, and the copper cladding is grounded, so that the interference of the external environment to the inductance key and the electromagnetic interference of the inductance key to the external environment are reduced, and the EMC performance of the inductor is improved.
Referring to fig. 3, the copper clad at both ends of the coil circuit board 3 is set as a first bare copper 32; the copper-clad portions of the key circuit board 2 corresponding to the positions of the first exposed copper portions 32 on the coil circuit board 3 are set as second exposed copper portions 212.
The second connecting member 6 is a conductive member, and is located between the first exposed copper 32 and the second exposed copper 212, and is connected to the first exposed copper 32 and the second exposed copper 212, respectively. The copper that covers of button circuit board 2 passes through second connecting piece 6 ground connection, reduces or eliminates the electric capacity effect when making the inductance button use, solves the problem of the spurious triggering that produces because the electric capacity effect of inductance button, improves user experience.
Preferably, the second connecting piece 6 is a conductive double-sided adhesive tape;
preferably, the connecting piece 6 is solder paste;
preferably, the connection member 6 is a conductive copper foil.
Preferably, the inductor coil is a printed coil printed on the first substrate 31, which is an elliptical track type.
Preferably, the key circuit board 2 is square; the coil circuit board 3 is square; the first copper exposure is arranged at two ends of the coil circuit board 3, and the second copper exposure 212 is arranged at two ends of the key circuit board 2.
In an embodiment, referring to fig. 1, fig. 2, fig. 3, and fig. 4, the display device further includes a housing 4 and a display screen 1; the housing 4 is provided with an opening 41; the display screen 1 is installed and matched with the opening 41, and the display screen 1 is fixedly installed on the opening 41. The display screen 1 is a flexible display screen; the key circuit board 2 and the coil circuit board 3 are accommodated in the case 4.
The display screen 1 comprises an inner screen 12 and an outer screen 11; the key circuit board 2 is fixedly connected with the inner screen 12. When display screen 1 makes to press display screen 1 for flexible display screen, display screen 1 produces elastic deformation more easily to key circuit board 2 produces elastic deformation more easily, reduces the degree of difficulty that the inductance button of intelligence wearing equipment triggered. The display screen 1 and the inductive keys are arranged in a compound overlapping mode, so that the positions and the space occupied by the design keys are reduced, the occupied spaces of the display screen 1 and the keys are reduced, and space is provided for further reducing the volume of the intelligent wearable equipment; in addition, display screen 1 overlaps with inductance button double entry and sets up to a new construction form of display screen 1 and inductance button, makes the outward appearance of intelligent wearing equipment more unique and pleasing to the eye.
Preferably, the key circuit board 2 is fixedly connected with the display screen 1 through a double-sided adhesive tape 5.
In one embodiment, referring to fig. 1 and 2, the housing 4 is a square box including a bottom plate 44; the bottom plate 44 is opposite to the opening 41; a flange 43 extending toward the middle in parallel to the bottom plate 44 is provided on the inner wall 42 of the housing 4 inside the opening 41; the display screen 1 is positioned above the flange 43 and fixedly connected with the flange 43; the display screen 1 is positioned in the opening 41, and the display screen 1 is protected.
Preferably, opening 41 includes upside edge 45, and it is the outside parallel and level with the edge all around of display screen 1, increases intelligent wearing equipment's aesthetic property and protection display screen 1.
In one embodiment, referring to FIG. 2, an upwardly facing ledge 46 is provided above the flange 43, which forms an upwardly opening groove with the flange 43 and the inner wall 42 of the housing 4; the display screen 1 is arranged in the opening 41, and the display screen 1 and the shell 4 are fixedly connected together by arranging colloid in the groove. The arrangement of the groove increases the usage amount of the colloid, so that the display screen 1 is more stably connected with the shell 4.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An intelligent wearable device is characterized by comprising an inductance key; the inductance button includes:
the key circuit board comprises a second substrate; coating copper on the surface of the second substrate;
the coil circuit board comprises a first substrate, an inductance coil and a resonance capacitor; the inductance coil is connected with the resonance capacitor to form a resonance circuit and is fixedly arranged on the first substrate; the key circuit board is opposite to the inductance coil, a gap is arranged between the key circuit board and the inductance coil, and the gap is changed when the key circuit board is pressed to trigger the inductance key;
and the first connecting piece or the second connecting piece is respectively connected with the key circuit board and the coil circuit board, so that the copper coated surface of the second substrate is communicated with the ground of the coil circuit board.
2. The intelligent wearable device according to claim 1, further comprising a first connector that is a flexible conductive member; the first connecting piece comprises a first interface and a second interface; a first corresponding interface and a second corresponding interface which are correspondingly connected and adapted with the first interface and the second interface are respectively arranged on the key circuit board and the coil circuit board; the first interface is connected with the first corresponding interface; the second interface is connected with the second corresponding interface; the second corresponding interface is grounded.
3. The intelligent wearable device of claim 2, wherein the first connector is a flexible circuit board.
4. The intelligent wearable device according to claim 1, wherein the inductance coil is disposed in a middle portion of the first substrate; copper cladding is arranged on the first substrate and on the periphery of the inductance coil, and the copper cladding is grounded.
5. The intelligent wearable device according to claim 4, further comprising a second connector disposed between the key circuit board and the coil circuit board and respectively connected to the key circuit board and the coil circuit board, so that the gap is formed between the key circuit board and the inductor coil.
6. The intelligent wearable device according to claim 5, wherein the copper-clad at both ends of the coil circuit board is provided as first bare copper; setting the copper-clad part corresponding to the first copper-clad part on the key circuit board as second copper-clad part; the second connecting piece is a conductive piece and is positioned between the key circuit board and the coil circuit board and respectively connected with the first copper exposure and the second copper exposure.
7. The intelligent wearable device of claim 6, wherein the second connector is a conductive double-sided tape, solder paste or conductive copper foil.
8. The intelligent wearable device according to any one of claims 1 to 7, further comprising a housing, a display screen; an opening is formed in the shell; the display screen is connected and matched with the opening and is fixedly connected with the opening; the key circuit board and the coil circuit board are accommodated in the shell; the key circuit board is fixed on the display screen.
9. The intelligent wearable device of claim 8, wherein the display screen comprises an inner screen, an outer screen; the key circuit board is fixedly connected with the inner screen through a double faced adhesive tape.
10. The smart wearable device according to claim 9, wherein the housing includes a bottom plate opposite the opening; a flange extending towards the middle part is arranged in the opening and on the inner wall of the shell and is parallel to the bottom plate; the display screen is mounted on the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010300478.1A CN111465225B (en) | 2020-04-16 | 2020-04-16 | Intelligent wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010300478.1A CN111465225B (en) | 2020-04-16 | 2020-04-16 | Intelligent wearable device |
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| CN111465225A CN111465225A (en) | 2020-07-28 |
| CN111465225B true CN111465225B (en) | 2022-03-15 |
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| CN202010300478.1A Active CN111465225B (en) | 2020-04-16 | 2020-04-16 | Intelligent wearable device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN207603605U (en) * | 2017-09-05 | 2018-07-10 | 安徽丽鑫智能科技有限公司 | A kind of input induction structure of cleaning equipment control panel |
| CN208530575U (en) * | 2018-07-03 | 2019-02-22 | 青岛威奥轨道股份有限公司 | A kind of novel track vehicle cup holder and wireless charging integration module |
| FR3085984B1 (en) * | 2018-09-18 | 2021-06-25 | Continental Automotive France | METHOD OF DETECTION OF INTENT TO LOCK OR UNLOCK A VEHICLE DOOR AND ASSOCIATED DETECTION DEVICE |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1098137A (en) * | 1996-09-20 | 1998-04-14 | Pfu Ltd | Switching noise-reducing package |
| CN106774651A (en) * | 2016-11-30 | 2017-05-31 | 安徽华米信息科技有限公司 | Touch controlled key and wearable device |
| CN207588830U (en) * | 2017-08-22 | 2018-07-06 | 苏州瀚瑞微电子有限公司 | A kind of touch key-press |
| CN207354405U (en) * | 2017-09-30 | 2018-05-11 | 南昌欧菲生物识别技术有限公司 | Touch module, housing unit and electronic device |
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| CN111465225A (en) | 2020-07-28 |
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