CN201123121Y - Mobile terminal and speaker cavity used for the same - Google Patents
Mobile terminal and speaker cavity used for the same Download PDFInfo
- Publication number
- CN201123121Y CN201123121Y CNU2007201904314U CN200720190431U CN201123121Y CN 201123121 Y CN201123121 Y CN 201123121Y CN U2007201904314 U CNU2007201904314 U CN U2007201904314U CN 200720190431 U CN200720190431 U CN 200720190431U CN 201123121 Y CN201123121 Y CN 201123121Y
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- Prior art keywords
- sound chamber
- loud speaker
- portable terminal
- signal transmission
- support
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- Expired - Lifetime
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Abstract
The utility model provides a loudspeaker sound cavity and a mobile terminal used for the mobile terminal. The loudspeaker sound cavity comprises an upper sound cavity bracket, a lower sound cavity bracket, a loudspeaker arranged in the sound cavity composed of the upper sound cavity bracket and the lower sound cavity bracket and at least two signal transmitting steel sheets used for transmitting the signal of the loudspeaker, therein, the transmitting steel sheets are fixed on the lower sound cavity bracket through back rubber, also at least a through hole is arranged under the signal transmitting steel sheet, a voice signal is transmitted to the loudspeaker through utilizing the leading wire compression joint method, the tightness performance of the loudspeaker sound cavity can be ensured, simultaneously, when the malfunction occurs on the internal components of the loudspeaker, the maintenance of the user and the replacement of the components are convenient, thereby greatly saving the manufacturing cost and maintenance cost of the loudspeaker sound cavity .
Description
Technical field
The utility model relates to a kind of loud speaker sound chamber, especially relates to a kind of loud speaker sound chamber and portable terminal that is used for portable terminal.
Background technology
Along with the amusement function of mobile phone is increasing, also more and more higher to the acoustic requirement of mobile phone, the music phone of current trend especially, smart mobile phone and 3G (3G (Third Generation) Moblie) mobile phone etc.In order to satisfy people to the acoustic requirement of mobile phone.At the loud speaker that mobile phone adopts, when structurally there is higher space requirement in forward and backward sound chamber, the airtight performance in sound chamber is had higher requirement.
The existing airtight technical scheme in mobile phone speaker sound chamber of handling mainly contains following two kinds:
1), by loud speaker being done an airtight sound chamber separately, solve the sealing problem in mobile phone speaker sound chamber, but owing to need be transferred on the loud speaker by the signal of modes such as cabling with the mainboard of mobile phone, thereby destroyed the sealing property in loud speaker sound chamber to a certain extent,, will produce the noise of mobile phone low-frequency range if there is the leak point in mobile phone speaker sound chamber, make aphthenxia clear, the low frequency dynamics becomes mixes, and influences the tonequality of mobile phone, thereby affects for user's use.
2), by modes such as employing ultrasonic bonding and in-mould injection between the fixed support of loud speaker are carried out encapsulation process, this sound chamber has good airtight performance, but in case when problem such as device fault occurring, will bring certain difficulty to maintenance, thereby can cause whole scrapping, cause the production of loud speaker and the increase of maintenance cost.
In realizing process of the present utility model, find that there are the following problems at least in the prior art: existing loud speaker sound chamber is not to guarantee fully that the sound chamber is airtight, and the technology that is exactly closed processes is too complicated, is unfavorable for producing in batches.
The utility model content
The utility model provides a kind of loud speaker sound chamber and portable terminal that is used for portable terminal, simple by adopting, reliable loud speaker compression joint type pin configuration, thus the problem of destroying loud speaker sound chamber sealing property owing to the lead-in wire of loud speaker can have been solved effectively.
The utility model provides a kind of loud speaker sound chamber that is used for portable terminal, and comprise sound chamber support, following sound chamber support and be arranged on the loud speaker of going up in sound chamber support and the described groups of holders audio chamber, sound chamber down by described,
Described sound chamber support down is provided with through hole;
Described loud speaker sound chamber also comprises signal transmitting apparatus, is electrically connected with described loud speaker, and seals described through hole.
Described signal transmitting apparatus comprises stickers and signal Transmission Part,
Described signal Transmission Part is fixed on the described sound chamber support down by described stickers.
Described stickers is a gum, described gum be provided with described down sound chamber support on the corresponding through hole of described through hole, the described through hole on the airtight described sound chamber support down of described signal Transmission Part.
Described signal Transmission Part is a signal transmission steel disc.
Described signal Transmission Part is a printed circuit board (PCB).
Described loud speaker sound chamber also comprises the sealing ring that is placed between described last sound chamber support and the described following sound chamber support mating surface.
Described sealing ring is the ring-type foam.
The utility model also provides a kind of portable terminal, comprise mainboard and be fixed on loud speaker sound chamber on the described mainboard, described loud speaker sound chamber comprises sound chamber support, following sound chamber support and is arranged on the loud speaker of being gone up in sound chamber support and the described groups of holders audio chamber, sound chamber down by described that described sound chamber support down is provided with through hole; Described loud speaker sound chamber also comprises signal transmitting apparatus, is electrically connected with described loud speaker, and seals described through hole;
Described portable terminal also comprises the connector that is fixed on the described mainboard, and signal is transferred to described loud speaker sound chamber.
Described connector is the probe-type connector.
A technical scheme in the technique scheme has following beneficial effect, by adopting the loud speaker pin configuration of compression joint type, guaranteed the airtight performance in loud speaker sound chamber, simultaneously, when sound chamber internal components occurring and break down, also be convenient to the replacing of device in user's maintenance and the sound chamber, thereby saved the production in loud speaker sound chamber and the cost of maintenance greatly.
Description of drawings
Fig. 1 is an embodiment loud speaker audio cavity structure schematic diagram of the present utility model;
Fig. 2 is the decomposing schematic representation in embodiment loud speaker sound of the present utility model chamber;
Fig. 3 a is a sound chamber support front schematic view under the embodiment of the present utility model;
Fig. 3 b is a sound chamber cradle back schematic diagram under the embodiment of the present utility model.
Embodiment
In order to ensure loud speaker sound chamber airtight performance, in embodiment of the present utility model, can adopt the loud speaker pin configuration of compression joint type, just opening the hole on the support of sound chamber down, and it is through hole is airtight by the signal transmitting apparatus that is connected with loud speaker, so just can guarantee the airtight performance in loud speaker sound chamber, external device (ED) is connected with signal transmitting apparatus by through hole, just the lead-in wire by compression joint type is transferred to loud speaker with voice signal again.
Embodiment of the present utility model can be applied to multiple portable terminal, and for example, mobile phone, PDA (personal digital assistant), Personal Handyphone System etc. only select for use mobile phone to describe as a kind of portable terminal at this.
Now with embodiment embodiment of the present utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment loud speaker audio cavity structure of the present utility model, as shown in Figure 1, by among the figure as can be known, this loud speaker sound chamber comprises sound chamber support 1, following sound chamber support 2, cell phone mainboard 3, signal transmitting apparatus of loud speaker 4, loud speaker (not shown in Figure 1) and probe-type connector 5, wherein, opening two through holes on the sound chamber support 2 down, and loud speaker 4 is placed on the inside of being made up of last sound chamber support 1 and following sound chamber support 2, sound chamber, can be connected by buckle or screw with following sound chamber support 2 and go up sound chamber support 1.To descend sound chamber support 2 by buckle or screw on cell phone mainboard 3, thereby will be fixed on the cell phone mainboard 3 by the loud speaker sound chamber that last sound chamber support 1 and following sound chamber support 2 are formed.Probe-type connector 5 can be fixed on the cell phone mainboard 3 by the mode of welding, and the through hole under passing through on the sound chamber support 2 is connected with the signal transmitting apparatus of loud speaker, thereby the signal on the cell phone mainboard 3 can be transferred in the loud speaker 4, this signal transmitting apparatus can be selected signal transmission steel disc 21 and the signal transmission steel disc 22 among Fig. 2 for use.
In embodiment of the present utility model, signal transmission steel disc 21 and signal transmission steel disc 22 also can select for use printed circuit board (PCB) to replace.
Introduce loud speaker sound chamber among the embodiment of the present utility model in detail in conjunction with Fig. 2 and Fig. 3 a more below, by among the figure as can be known, loud speaker 4 can be fixed on the sound chamber support 1, and on the mating surface of last sound chamber support 1 and following sound chamber support 2, place sealing ring, in embodiment of the present utility model, optional usefulness has the ring-type foam 6 of better airtight performance, ring-type foam 6 is attached on the mating surface of sound chamber support 1 and following sound chamber support 2, to go up sound chamber support 1 and following sound chamber support 2 then and arrive together, thereby form airtight loud speaker sound chamber by buckle or screw.
In embodiment of the present utility model, opening two through holes on the sound chamber support 2 down, but in order to guarantee the airtight performance in loud speaker sound chamber, it is airtight with through hole in the mode that is fixed on down on the sound chamber support 2 signal can be transmitted steel disc 21 and signal transmission steel disc 22, as shown in Figure 2, can select for use gum 23 that signal is transmitted steel disc 21 and signal transmission steel disc 22 is fixed on down on the sound chamber support 2, just gum 23 is placed on signal transmission steel disc 21, between signal transmission steel disc 22 and the following sound chamber support 2, and gum 23 can be made and signal transmission steel disc 21, the shape that signal transmission steel disc 22 is identical, thus can transmit the signal of loud speaker 4 by the probe-type connector 5 and the crimping mode of signal transmission steel disc 21 and signal transmission steel disc 22.
By Fig. 1, Fig. 2 and Fig. 3 a are as can be known, in embodiment of the present utility model, loud speaker 4 is placed in the loud speaker sound chamber of going up sound chamber support 1 and following sound chamber support 2 compositions, can reliably connect by forms such as buckle or screws between sound chamber support 1 and the following sound chamber support 2 and go up, in order to increase the airtight performance in loud speaker sound chamber, can between the assembling mating surface of last sound chamber support 1 and following sound chamber support 2, increase the sealing property that foam 6 better guarantees loud speaker sound chamber, simultaneously, correspondence position at two shell fragments of loud speaker 4 transmits signal by signal transmission steel disc 21 and signal transmission steel disc 22, and open the hole in the following appropriate location of sound chamber support 2, spill with the external tie point that signal is transmitted steel disc 21 and signal transmission steel disc 22.In order to guarantee that opening the through hole at following sound chamber support 2 does not exert an influence to loud speaker sound chamber airtight performance, can be by fixedly gum 23 and blanching technology, the signal transmission steel disc 21 of loud speaker 4 and signal are transmitted steel disc 22 be fixed on down support 2 inside, sound chamber firmly.
Under the situation that support 2 spaces, sound chamber allow down, steel disc 21 and signal transmission steel disc 22 that signal is transmitted that can be suitable is done greatly, be connected area to increase signal transmission steel disc 21 and signal transmission steel disc 22 with effective gum between the following sound chamber support 2, be in the complete airtight sound chamber with assurance loud speaker 4.There is the probe-type connector 5 of 2 contacts to contact by one of welding on the cell phone mainboard 3 then with the tie point that leaks outside of signal transmission steel disc 21 with signal transmission steel disc 22, be connected with signal between the cell phone mainboard 3 to reach loud speaker 4, thereby realized reliable airtight connection between loud speaker 4 and the cell phone mainboard 3.
Shown in Fig. 3 b, be sound chamber cradle back schematic diagram under the embodiment of the present utility model, by among the figure as can be known, having two through holes on the sound chamber support 2 down, the signal output of loud speaker 4 just, so that contact, thereby reach the purpose of the signal output of loud speaker 4 with the probe-type connector 5 among Fig. 1.
Equally, as shown from the above technical solution, by adopting the loud speaker pin configuration of shell fragment compression joint type, guaranteed the airtight performance in loud speaker sound chamber, simultaneously, when sound chamber internal components occurring and break down, also be convenient to the replacing of device in user's maintenance and the sound chamber, saved the production in loud speaker sound chamber and the cost of maintenance greatly.
Description by the foregoing description as can be known, this loud speaker sound chamber may be used in the mobile phone, a kind of mobile phone just also is provided in embodiment of the present utility model, this mobile phone comprises cell phone mainboard 3, be fixed on the loud speaker sound chamber on the cell phone mainboard 3 and be fixed on probe-type connector 5 on the cell phone mainboard 3, concrete structure can be as shown in Figure 2, wherein, through hole under probe-type connector 5 passes through on the support of sound chamber contacts with signal transmission steel disc 22 with the signal transmission steel disc 21 of inside, loud speaker sound chamber, thereby voice signal is transferred to loud speaker 4.
Because mobile phone internal structure space is limited, therefore loud speaker sound chamber support and antenna for mobile phone can be made of one, and antenna can be relatively more responsive to metal, so carries out signal by the bulk steel disc in sound the chamber in and be transmitted in this case that use has been subjected to considerable restraint.In embodiment of the present utility model, can come substitution signal transmission steel disc 21 and signal transmission steel disc 22, just can well solve of the influence of the inner cabling in loud speaker sound chamber antenna by pcb board (printed circuit board (PCB)).Because it is very tiny that the wiring cabling on the pcb board can be done, so the metal part is very little, and is very small to the influence of antenna; And the fixed form of pcb board in loud speaker sound chamber still can adopt gum to add the mode of blanching, thereby still can guarantee the sealing property of loud speaker audio cavity structure.
Present embodiment is to make those of ordinary skills understand the utility model; and to detailed description that the utility model carried out; but can expect; in the scope that does not break away from claim of the present utility model and contained, can also make other variation and modification, these variations and revising all in protection range of the present utility model.
Claims (9)
1. a loud speaker sound chamber that is used for portable terminal comprises sound chamber support, following sound chamber support and is arranged on the loud speaker of being gone up in sound chamber support and the described groups of holders audio chamber, sound chamber down by described, it is characterized in that:
Described sound chamber support down is provided with through hole;
Described loud speaker sound chamber also comprises signal transmitting apparatus, is electrically connected with described loud speaker, and seals described through hole.
2. a kind of loud speaker sound chamber that is used for portable terminal according to claim 1 is characterized in that described signal transmitting apparatus comprises stickers and signal Transmission Part,
Described signal Transmission Part is fixed on the described sound chamber support down by described stickers.
3. a kind of loud speaker sound chamber that is used for portable terminal according to claim 2, it is characterized in that, described stickers is a gum, and described gum is provided with and the described corresponding through hole of sound chamber the above through hole of support down, the described through hole on the airtight described sound chamber support down of described signal Transmission Part.
4. a kind of loud speaker sound chamber that is used for portable terminal according to claim 3 is characterized in that, described signal Transmission Part is a signal transmission steel disc.
5. a kind of loud speaker sound chamber that is used for portable terminal according to claim 3 is characterized in that described signal Transmission Part is a printed circuit board (PCB).
6. a kind of loud speaker sound chamber that is used for portable terminal according to claim 1 is characterized in that, described loud speaker sound chamber also comprises the sealing ring that is placed between described last sound chamber support and the described following sound chamber support mating surface.
7. a kind of loud speaker sound chamber that is used for portable terminal according to claim 6 is characterized in that described sealing ring is the ring-type foam.
8. portable terminal comprises mainboard and is fixed on loud speaker sound chamber on the described mainboard that it is characterized in that: described loud speaker sound chamber is the described loud speaker sound chamber that is used for portable terminal of claim 1;
Described portable terminal also comprises the connector that is fixed on the described mainboard, and signal is transferred to described loud speaker sound chamber.
9. a kind of portable terminal according to claim 8 is characterized in that, described connector is the probe-type connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201904314U CN201123121Y (en) | 2007-11-28 | 2007-11-28 | Mobile terminal and speaker cavity used for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201904314U CN201123121Y (en) | 2007-11-28 | 2007-11-28 | Mobile terminal and speaker cavity used for the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201123121Y true CN201123121Y (en) | 2008-09-24 |
Family
ID=40010361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201904314U Expired - Lifetime CN201123121Y (en) | 2007-11-28 | 2007-11-28 | Mobile terminal and speaker cavity used for the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201123121Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895798A (en) * | 2010-07-29 | 2010-11-24 | 青岛海信移动通信技术股份有限公司 | Sound cavity sealing structure of loudspeaker, and portable mobile terminal |
| CN102427488A (en) * | 2011-11-21 | 2012-04-25 | 上海华勤通讯技术有限公司 | Mobile terminal with sound amplifying function |
| WO2012146147A1 (en) * | 2011-04-26 | 2012-11-01 | 中兴通讯股份有限公司 | Pcb and mobile terminal comprising the pcb |
| CN102769808A (en) * | 2012-05-24 | 2012-11-07 | 四川华立德科技有限公司 | Loudspeaker for portable equipment |
| CN104038857A (en) * | 2014-06-27 | 2014-09-10 | 深圳市中兴移动通信有限公司 | Sound cavity structure |
| CN109889932A (en) * | 2019-02-25 | 2019-06-14 | 上海摩软通讯技术有限公司 | A kind of loudspeaker cavity |
| CN111050006A (en) * | 2019-12-30 | 2020-04-21 | 北京声智科技有限公司 | Conference telephone |
-
2007
- 2007-11-28 CN CNU2007201904314U patent/CN201123121Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895798A (en) * | 2010-07-29 | 2010-11-24 | 青岛海信移动通信技术股份有限公司 | Sound cavity sealing structure of loudspeaker, and portable mobile terminal |
| WO2012013098A1 (en) * | 2010-07-29 | 2012-02-02 | 青岛海信移动通信技术股份有限公司 | Audio cavity sealing structure for loudspeaker and portable mobile terminal |
| CN101895798B (en) * | 2010-07-29 | 2013-03-13 | 青岛海信移动通信技术股份有限公司 | Sound cavity sealing structure of loudspeaker, and portable mobile terminal |
| WO2012146147A1 (en) * | 2011-04-26 | 2012-11-01 | 中兴通讯股份有限公司 | Pcb and mobile terminal comprising the pcb |
| CN102427488A (en) * | 2011-11-21 | 2012-04-25 | 上海华勤通讯技术有限公司 | Mobile terminal with sound amplifying function |
| CN102427488B (en) * | 2011-11-21 | 2014-09-24 | 上海华勤通讯技术有限公司 | Mobile terminal with sound amplifying function |
| CN102769808A (en) * | 2012-05-24 | 2012-11-07 | 四川华立德科技有限公司 | Loudspeaker for portable equipment |
| CN104038857A (en) * | 2014-06-27 | 2014-09-10 | 深圳市中兴移动通信有限公司 | Sound cavity structure |
| CN109889932A (en) * | 2019-02-25 | 2019-06-14 | 上海摩软通讯技术有限公司 | A kind of loudspeaker cavity |
| CN111050006A (en) * | 2019-12-30 | 2020-04-21 | 北京声智科技有限公司 | Conference telephone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080924 |