CN204206251U - Mobile phone - Google Patents
Mobile phone Download PDFInfo
- Publication number
- CN204206251U CN204206251U CN201420674745.1U CN201420674745U CN204206251U CN 204206251 U CN204206251 U CN 204206251U CN 201420674745 U CN201420674745 U CN 201420674745U CN 204206251 U CN204206251 U CN 204206251U
- Authority
- CN
- China
- Prior art keywords
- pcb board
- voice coil
- shell
- magnetic circuit
- circuit system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Telephone Set Structure (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of mobile phone, and it comprises shell, is located at the pcb board in shell and is located at the electroacoustic transducer be electrically connected on pcb board and with pcb board.The receiving space that shell comprises fore shell, the back cover be connected with fore shell and is made up of fore shell and back cover.Pcb board is positioned at receiving space and arranges near back cover.Electroacoustic transducer is between pcb board and fore shell, and it comprises framework, the magnetic circuit system be connected with framework and vibrational system.Magnetic circuit system exposes to framework and arranges near pcb board, and position corresponding with magnetic circuit system on pcb board offers the through hole for dodging magnetic circuit system.Due to the existence of through hole, make magnetic circuit system can make full use of space between handset front case and back cover, magnetic circuit system can be done higher, thus optimizes magnetic circuit system, improves the performance of electroacoustic transducer.
Description
[technical field]
The utility model relates to a kind of communication terminal, particularly relates to a kind of mobile phone.
[background technology]
The electroacoustic transducer that the mobile phone of correlation technique comprises shell, is located at the pcb board in described shell and is electrically connected with pcb board.The back cover that shell comprises fore shell and is connected with fore shell.Pcb board is arranged near back cover.Electroacoustic transducer is located between pcb board and fore shell, and it comprises framework, the magnetic circuit system be connected with framework and vibrational system.Magnetic circuit system exposes to framework and towards pcb board.Vibrational system comprises voice coil loudspeaker voice coil, and electroacoustic transducer is also typically provided with the shell foot be electrically connected with voice coil leads, and this shell foot exposes to framework and abuts with the pad on pcb board thus reach the object be electrically connected with pcb board by electroacoustic transducer.
The mobile phone of this kind of structure, pcb board covers the back side of electroacoustic transducer completely, namely completely covers the magnetic bowl exposed, and the distance that now height of electroacoustic transducer equals pcb board and fore shell deducts the thickness of pcb board self.Along with the slimming of mobile phone develops, it is more and more frivolous that mobile phone does, therefore the distance of handset front case and back cover is normally limited, and magnetic bowl is covered completely by pcb board, therefore the distance of pcb board and fore shell is limited by, the height of the magnetic circuit system of electroacoustic transducer cannot do height, thus makes the performance of magnetic circuit system can not get improving.
Therefore, be necessary to provide a kind of novel mobile phone.
[utility model content]
The purpose of this utility model is to provide a kind of performance of electroacoustic transducer better mobile phone.
The technical solution of the utility model is as follows: a kind of mobile phone, it comprises shell, be located at the pcb board in described shell and be located at the electroacoustic transducer be electrically connected on described pcb board and with described pcb board, described shell comprises fore shell, the back cover be connected with described fore shell and the receiving space be made up of described fore shell and back cover, described pcb board is positioned at described receiving space and arranges near described back cover, described electroacoustic transducer is between described pcb board and described fore shell, described electroacoustic transducer comprises framework, the magnetic circuit system be connected with described framework and vibrational system, described magnetic circuit system exposes to described framework and arranges near described pcb board, position corresponding with described magnetic circuit system on described pcb board offers the through hole for dodging described magnetic circuit system, described magnetic circuit system is contained in described through hole.
Preferably, described vibrational system comprises voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil has lead-in wire, described electroacoustic transducer also comprises and is convexly equipped in the outer and shell foot be electrically connected with the lead-in wire of described voice coil loudspeaker voice coil of described framework, position corresponding with described shell foot on described pcb board is provided with pad, and described shell foot abuts with described pad thus described electroacoustic transducer is electrically connected with described pcb board.
Preferably, described vibrational system comprises voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil has lead-in wire, described framework is provided with the pad be electrically connected with the lead-in wire of described voice coil loudspeaker voice coil, position corresponding with described pad on described pcb board is provided with shell foot, and described pad abuts with described shell foot thus described electroacoustic transducer is electrically connected with described pcb board.
Preferably, the second magnetic conductor that described magnetic circuit system comprises magnetic conductive board, is located at the first magnetic conductor on described magnetic conductive board and arranges around described first magnetic conductor, described first magnetic conductor is permanent magnet.
Preferably, described electroacoustic transducer is receiver or loud speaker.
The beneficial effects of the utility model are: due to the existence of through hole, and make magnetic circuit system can make full use of space between handset front case and back cover, magnetic circuit system can be done higher, thus optimizes magnetic circuit system, improves the performance of electroacoustic transducer.
[accompanying drawing explanation]
Fig. 1 is the structure broken away view of a kind of mobile phone of the utility model;
Fig. 2 is the structural representation of electroacoustic transducer in mobile phone of the present utility model;
Fig. 3 is the installation diagram of pcb board and electroacoustic transducer in mobile phone of the present utility model.
[embodiment]
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of mobile phone 100 comprises shell, is located at the pcb board 103 in shell and is located at the electroacoustic transducer 104 be electrically connected on pcb board 103 and with pcb board 103.The receiving space that shell comprises fore shell 101, the back cover 102 be connected with fore shell 101 and formed by fore shell 101 and back cover 102.Pcb board 103 is positioned at this receiving space and arranges near back cover 102.As shown in Figure 2, electroacoustic transducer 104 is between pcb board 103 and fore shell 101, and it comprises framework 104A, the magnetic circuit system be connected with framework 104A and vibrational system.In the present embodiment, electroacoustic transducer 104 is receiver.In other embodiments, electroacoustic transducer 104 can also be loud speaker.Magnetic circuit system comprises and exposes to framework 104A and the magnetic bowl 104B arranged near pcb board 103 and the magnetic steel component be located in magnetic bowl 104B.Vibrational system comprises voice coil loudspeaker voice coil, and voice coil loudspeaker voice coil has lead-in wire, and electroacoustic transducer 104 also comprises and is convexly equipped in the outer and shell foot 104C be electrically connected with the lead-in wire of voice coil loudspeaker voice coil of framework 104A.It should be noted that, the electroacoustic transducer of what the present embodiment provided be only single magnetic circuit system, in other embodiments, magnetic circuit system can also be the magnetic circuit system of multipath magnetic circuit, the second magnetic conductor that this multi-magnetic circuit system can comprise magnetic conductive board, be located at the first magnetic conductor on magnetic conductive board and arrange around the first magnetic conductor, the first magnetic conductor is permanent magnet.
As shown in figures 1 and 3, position corresponding with magnetic bowl 104B on pcb board 103 offers the through hole 103A for dodging magnetic bowl 104B, magnetic bowl 104B is contained in through hole 103A, and position corresponding with shell foot 104C on pcb board 103 is also provided with pad, the shell foot 104C of electroacoustic transducer 104 abuts with the pad on pcb board 103, thus realizes the electrical connection of electroacoustic transducer 104 and pcb board 103.Understandable, also can arrange the pad be electrically connected with the lead-in wire of voice coil loudspeaker voice coil on the framework of electroacoustic transducer, and position corresponding with pad on pcb board arranges shell foot, what utilize pad and shell foot abuts the electrical connection realizing electroacoustic transducer and pcb board.
Due to the existence of this through hole 103A, make magnetic circuit system can make full use of space between handset front case 101 and back cover 102, magnetic circuit system can be done higher, thus optimizes magnetic circuit system, improves the performance of electroacoustic transducer.
Above-described is only execution mode of the present utility model; it should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite not departing from the utility model creation design; improvement can also be made, but these all belong to protection range of the present utility model.
Claims (5)
1. a mobile phone, it comprises shell, be located at the pcb board in described shell and be located at the electroacoustic transducer be electrically connected on described pcb board and with described pcb board, described shell comprises fore shell, the back cover be connected with described fore shell and the receiving space be made up of described fore shell and back cover, described pcb board is positioned at described receiving space and arranges near described back cover, described electroacoustic transducer is between described pcb board and described fore shell, described electroacoustic transducer comprises framework, the magnetic circuit system be connected with described framework and vibrational system, described magnetic circuit system exposes to described framework and arranges near described pcb board, it is characterized in that, position corresponding with described magnetic circuit system on described pcb board offers the through hole for dodging described magnetic circuit system, described magnetic circuit system is contained in described through hole.
2. mobile phone according to claim 1, it is characterized in that, described vibrational system comprises voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil has lead-in wire, described electroacoustic transducer also comprises and is convexly equipped in the outer and shell foot be electrically connected with the lead-in wire of described voice coil loudspeaker voice coil of described framework, position corresponding with described shell foot on described pcb board is provided with pad, and described shell foot abuts with described pad thus described electroacoustic transducer is electrically connected with described pcb board.
3. mobile phone according to claim 1, it is characterized in that, described vibrational system comprises voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil has lead-in wire, described framework is provided with the pad be electrically connected with the lead-in wire of described voice coil loudspeaker voice coil, position corresponding with described pad on described pcb board is provided with shell foot, and described pad abuts with described shell foot thus described electroacoustic transducer is electrically connected with described pcb board.
4. mobile phone according to claim 1, is characterized in that, the second magnetic conductor that described magnetic circuit system comprises magnetic conductive board, is located at the first magnetic conductor on described magnetic conductive board and arranges around described first magnetic conductor, and described first magnetic conductor is permanent magnet.
5. the mobile phone according to any one of claim 1-4, is characterized in that, described electroacoustic transducer is receiver or loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674745.1U CN204206251U (en) | 2014-11-12 | 2014-11-12 | Mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420674745.1U CN204206251U (en) | 2014-11-12 | 2014-11-12 | Mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204206251U true CN204206251U (en) | 2015-03-11 |
Family
ID=52664160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420674745.1U Expired - Fee Related CN204206251U (en) | 2014-11-12 | 2014-11-12 | Mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204206251U (en) |
-
2014
- 2014-11-12 CN CN201420674745.1U patent/CN204206251U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |