CN205844765U - A kind of intelligent watch - Google Patents
A kind of intelligent watch Download PDFInfo
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- CN205844765U CN205844765U CN201620510944.8U CN201620510944U CN205844765U CN 205844765 U CN205844765 U CN 205844765U CN 201620510944 U CN201620510944 U CN 201620510944U CN 205844765 U CN205844765 U CN 205844765U
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- intelligent watch
- screen
- piezoelectric speaker
- pcba board
- shell
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Abstract
This utility model relates to electronic communication technology field, particularly relate to a kind of intelligent watch, this intelligent watch includes the shell bottom with shell link of screen and screen link, the PCBA board being connected by adapter, the battery that is connected with PCBA board by adapter with screen, it is characterized in that, described intelligent watch also includes: piezoelectric speaker；Described piezoelectric speaker is pasted on described bottom, and is positioned at described shell, screen and described bottom area defined；Described piezoelectric speaker is positioned at described battery lower floor, and passes through wire link with described PCBA board.For solving in prior art the problem that intelligent watch volume is big, water resistance is low and there is electromagnetic interference phenomenon.
Description
Technical field
This utility model relates to telecommunications field, particularly relates to a kind of intelligent watch.
Background technology
Intelligent watch is a kind of succession to conventional wristwatch and the consumer electronics product of development, and it provides for user
More function in addition to time showing, such as prompting message, exercise data tracking, health data collection, music and voice
The functions such as call.
In the prior art, the main audio playing function using traditional moving-coil type loudspeaker to realize intelligent watch, should
The sound transitions of output is become the electric current of change by the loudspeaker of type, and the electric current of this change is by the line being wound on permanent magnet in loudspeaker
During circle, moving-coil seesaws being forced to (Faraday's law) thus drives the cone being fixed on coil to seesaw and send sound
Sound.
The inventors discovered that in actual design process, moving-coil type loudspeaker are primarily present following defect:
First, due to the complexity of moving-coil type horn structure, need cone and the bigger part of permanent magnet equidimension, therefore
Volume is relatively big, the minimum moving-coil loudspeaker a size of 15mm length that currently can find, 6mm width, and 3mm is high, and needs bigger
Front and back sound chamber can realize preferable tonequality, causes wrist-watch volume relatively big, or need to sacrifice battery electric quantity etc. internal other
The size of part realizes this function.
Second, owing to loudspeaker are located in inside wrist-watch, it is therefore desirable on watchcase perforate by sound inside wrist-watch
Out, these through holes significantly increase the waterproof difficulty of wrist-watch, and wrist-watch exactly needs high waterproof requirement in conduction.
3rd, due to coil and the existence of Magnet, it is powerful interference source inside wrist-watch, meeting Magnetic Sensor intrusively,
The work of the Sensitive Apparatuses such as antenna.
Utility model content
This utility model embodiment provides a kind of intelligent watch, is used for solving in prior art due to moving-coil type horn structure
Complexity cause intelligent watch volume excessive and owing to needs cause water resistance to reduce to intelligent watch punching, and keep away
Exempt from the electromagnetic interference phenomenon produced because using moving-coil type loudspeaker.
A kind of intelligent watch, this intelligent watch includes screen and the shell of screen link and the bottom of shell link, leads to
Crossing the PCBA board that adapter is connected, the battery being connected with PCBA board by adapter with screen, described intelligent watch also wraps
Include:
Piezoelectric speaker；
Described piezoelectric speaker is pasted on described bottom, and be positioned at described shell, screen is surrounded with described bottom
Region in；
Described piezoelectric speaker is positioned at described battery lower floor, and passes through wire link with described PCBA board.
Visible, use the intelligent watch that this utility model embodiment is provided, replace moving-coil type loudspeaker with voltage potsherd,
Owing to the volume of piezoelectric ceramic piece own is the least, the volume of intelligent watch therefore can be substantially reduced；Piezoelectric speaker is permissible
Air radiation sound is promoted by piezoelectric ceramic piece extruding sheet metal or Wristwatch case, therefore can be by piezoelectric speaker
It is attached on bottom cover of watch avoid the requirement of perforate, thus improves the waterproof ability of the intelligent watch of band horn function.Due to pressure
There is not the electromagnetic interference such as permanent magnet and coil in electroceramics loudspeaker, is therefore easy to setting of the Sensitive Apparatus such as antenna, geomagnetic sensor
Meter.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model or technical scheme of the prior art, below will be to embodiment or existing
In technology description, the required accompanying drawing used is briefly described.
The intelligent watch structure chart that Fig. 1 provides for this utility model embodiment；
The dial plate internal structure schematic diagram of the intelligent watch that Fig. 2 provides for this utility model embodiment；
The structural representation of the piezoelectric ceramic piece that Fig. 3 provides for this utility model embodiment；
The PCBA board that Fig. 4 provides for this utility model embodiment and the connection diagram of piezoelectric speaker.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in this utility model embodiment, and make this reality
Can become apparent from understandable by novel above-mentioned purpose, feature and advantage, below in conjunction with the accompanying drawings to technical side in this utility model
Case is described in further detail.
Use the intelligent watch that this utility model embodiment is provided, replace moving-coil type loudspeaker with piezoelectric ceramic piece, due to
The volume of piezoelectric ceramic piece own is the least, therefore can be substantially reduced the volume of intelligent watch；Piezoelectric speaker can pass through
Piezoelectric ceramic piece extruding sheet metal or Wristwatch case promote air radiation sound, therefore can be attached to by piezoelectric speaker
To reduce the requirement of perforate on bottom cover of watch, thus improve the waterproof ability of the intelligent watch of band horn function.Owing to piezoelectricity is made pottery
There is not the electromagnetic interference such as permanent magnet and coil in porcelain loudspeaker, is therefore easy to the design of the Sensitive Apparatus such as antenna, geomagnetic sensor.
It is introduced with specific embodiment below:
A kind of intelligent watch that this utility model embodiment provides, this intelligent watch includes dial plate 11 and table as shown in Figure 1
Band 12；Wherein 11 body structures of dial plate are as in figure 2 it is shown, including screen 21, the shell 26 bonded with screen 21, with shell 26
The bottom 25 connected by screw, the PCBA board 22 being connected by adapter with screen 21, with PCBA board 22 by adapter even
The battery 23 connect, and paste the piezoelectric speaker 24 on bottom 25, piezoelectric speaker 24 is positioned at described shell 26, screen
In curtain 21 and described bottom 25 area defined；
Described piezoelectric speaker 24 is positioned at the lower floor of described battery 23, and passes through wire link with described PCBA board 22.
Piezoelectric speaker 24 is fitted in into an entirety with bottom 25 by glue, forms a loudspeaker part, and these loudspeaker lead to
Cross in the PCBA board 21 that in Fig. 3, the wire of piezoelectric speaker 31 is welded in Fig. 2.
As shown in Figure 4, the CPU41 in described PCBA board 22 is connected with audio frequency power amplifier amplifier 42, and described audio frequency power amplifier is put
Big device 42 is connected with described piezoelectric speaker 24 by wire, and its operation principle is:
CPU in PCBA board exports audio signal, after audio frequency power amplifier amplifier amplifies, drives piezoelectric speaker,
Potsherd extruding bottom is utilized to shake and promote air radiation to go out sound.
The operation principle of piezoelectric speaker 24 is as follows:
Piezoelectric speaker is attached on the thinnest a piece of foil constitute, also by a multilayer piezoelectric ceramic sheet the thinnest
It is referred to as vibrating diaphragm.When piezoelectric patches stretches when, vibrating diaphragm will be bent upwards, and when piezoelectric patches shrinks when, vibrating diaphragm is just
Can be bent downwardly, so, when the voltage adding an alternate to vibrating diaphragm, then it will along with the change of voltage not
The bending up and down stopped.The vibrating diaphragm being fixed on framework produces after feedback drives with the multilayer piezoelectric ceramic sheet of certain excitation electrical field
Raw vibration, thus promote air to radiate sound.And the driving of multilayer piezoelectric ceramic sheet, it is possible to make speaker send dulect
Sound and higher SPL (sound pressure level).And the thickness of piezoelectric ceramic piece is 0.5 millimeter.
In sum, beneficial effect:
Use the intelligent watch that this utility model embodiment is provided, replace moving-coil type loudspeaker with voltage potsherd, due to
The volume of piezoelectric ceramic piece own is the least, therefore can be substantially reduced the volume of intelligent watch；Piezoelectric speaker can pass through
Piezoelectric ceramic piece extruding sheet metal or Wristwatch case promote air to radiate sound, therefore can be pasted by piezoelectric speaker
To reduce the requirement of perforate on bottom cover of watch, thus improve the waterproof ability of the intelligent watch of band horn function.Due to piezoelectricity
There is not the electromagnetic interference such as permanent magnet and coil in ceramic horn, is therefore easy to the design of the Sensitive Apparatus such as antenna, geomagnetic sensor.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (5)
1. an intelligent watch, this intelligent watch includes the shell bottom with shell link of screen and screen link, passes through
PCBA board that adapter is connected with screen, the battery being connected with PCBA board by adapter, it is characterised in that described intelligence
Wrist-watch also includes:
Piezoelectric speaker；
Described piezoelectric speaker is pasted on described bottom, and is positioned at the district that described shell, screen and described bottom are surrounded
In territory；
Described piezoelectric speaker is positioned at described battery lower floor, and passes through wire link with described PCBA board.
2. intelligent watch as claimed in claim 1, it is characterised in that described piezoelectric speaker and described PCBA board are by leading
Line link specifically includes:
CPU in described PCBA board is connected with audio frequency power amplifier amplifier, and described audio frequency power amplifier amplifier is by wire and described pressure
Electroceramics loudspeaker are connected.
3. intelligent watch as claimed in claim 2, it is characterised in that described audio frequency power amplifier amplifier is MAX9788.
4. intelligent watch as claimed in claim 1, it is characterised in that described piezoelectric speaker by multilayer piezoelectric ceramic sheet with
Foil is formed.
5. intelligent watch as claimed in claim 4, it is characterised in that the thickness of described piezoelectric ceramic piece is 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620510944.8U CN205844765U (en) | 2016-05-30 | 2016-05-30 | A kind of intelligent watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620510944.8U CN205844765U (en) | 2016-05-30 | 2016-05-30 | A kind of intelligent watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205844765U true CN205844765U (en) | 2016-12-28 |
Family
ID=57622367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620510944.8U Active CN205844765U (en) | 2016-05-30 | 2016-05-30 | A kind of intelligent watch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205844765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166066A (en) * | 2019-05-27 | 2019-08-23 | 努比亚技术有限公司 | Wearable device |
-
2016
- 2016-05-30 CN CN201620510944.8U patent/CN205844765U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110166066A (en) * | 2019-05-27 | 2019-08-23 | 努比亚技术有限公司 | Wearable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |