CN202218474U - Main circuit board of mobile terminal and mobile terminal - Google Patents
Main circuit board of mobile terminal and mobile terminal Download PDFInfo
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- CN202218474U CN202218474U CN201120246660XU CN201120246660U CN202218474U CN 202218474 U CN202218474 U CN 202218474U CN 201120246660X U CN201120246660X U CN 201120246660XU CN 201120246660 U CN201120246660 U CN 201120246660U CN 202218474 U CN202218474 U CN 202218474U
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- circuit board
- main circuit
- portable terminal
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Abstract
The utility model discloses a main circuit board of a mobile terminal and the mobile terminal. The edge position at the upper part of the main circuit board is provided with a battery connector part and a display screen connector part, which are respectively used for connecting with a battery and a display screen, and the battery and the display screen are assembled with each other in a back to back way and are arranged above the main circuit board. The main circuit board of the mobile terminal is designed to be in the form of a broken plate, so that the battery and the display screen of the mobile terminal and the main circuit board can be placed in a misplacing way, therefore, the thickness of a machine core can be reduced, and the ultrathin design requirement of the mobile terminal can be met. Meanwhile, compared with the conventional main circuit board which is designed in the form of a whole board, the main circuit board which is designed in the form of the broken board can preferably reduce the cost of the main circuit board, the external device is more flexible and convenient for collocation when the requirement of design development can be met, the different appearance design schemes can be matched with one another, and the secondary development can be flexibly realized.
Description
Technical field
The utility model belongs to technical field of mobile terminals, specifically, and the portable terminal that relates to a kind of main circuit board structural design of portable terminal and adopt said main circuit board design.
Background technology
Along with the develop rapidly of communications industry, the competition more and more fierce in portable terminal market, mobile phone price and outward appearance have become two importances of end product competition.Contrast the mobile phone research and development, cost control is also with regard to more and more fierce, and the requirement of outward appearance also is increasingly high.Past often adopt methods such as deletion components and parts, but deletable device also only limits to resistance capacitance class device, does not have too big space for falling cost when choosing the scheme of falling cost.For outward appearance, low-end mobile phone generally adopts the straight plate form of button, and the corresponding mobile phone main circuit board also is whole plate form, and the complete machine size of the size of whole main circuit board and mobile phone is more or less the same, and is clipped between battery of mobile phone and the display screen.Adopt the main circuit board of this whole plate form, apparent in view for the restriction of cell phone appearance design, therefore, be unfavorable for the designing requirement of the ultrathin outward appearance that current phone is popular.
Summary of the invention
The utility model is put in order the plate form in order to solve existing portable terminal owing to its main circuit board adopts; Thereby be unfavorable for the ultrathin design problem of the portable terminal of the straight plate form of button; A kind of portable terminal main circuit board of brand new is provided,, main circuit board can have been placed with battery, display screen dislocation through main circuit board being designed to disconnected plate form; Thereby can reduce the movement thickness of portable terminal, reach extra-thin designing requirement.
For solving the problems of the technologies described above, the utility model adopts following technical scheme to be achieved:
A kind of main circuit board of portable terminal; Marginal position on said main circuit board top is designed with battery connector part and display screen connector part; Be respectively applied for connection battery and display screen, said battery and display screen assemble and are positioned at the top of main circuit board back-to-back.
Further; Said battery connector part and the design of display screen connector part also are designed with peripheral interface connector part, baseband circuit part, radio circuit part and antenna feed point part on the top at the main circuit board back side at the back side of said main circuit board; Be designed with button part and microphone part in the front of said main circuit board.
Further again, said antenna feed point partial design is used to connect antenna module in the bottom at the main circuit board back side.
Further again, said baseband circuit part and radio circuit partly are positioned at the zone line at the main circuit board back side, and radio circuit partly is positioned at baseband circuit below partly, close on described antenna feed point part.
Further, said peripheral interface connector part design is at the marginal position on the left side or the right side at the main circuit board back side.
The secondary development of main circuit board is for ease used, preferably with deck, loud speaker and the motors designs of said portable terminal on PCB platelet independently, be connected with peripheral interface connector part on the said main circuit board through board to board connector.
Preferably, also be designed with the usb interface connector part, be used to weld USB interface in the left side at the said main circuit board back side or the marginal position on right side; Said microphone partial design becomes the welding pin of jack form, and is positioned at the positive bottom of main circuit board; On said button part, be pasted with the metal clips conducting film.
In order to reduce the cost of main circuit board, said main circuit board adopts 6 layers pcb board, and the 1st layer is key layer, is laid with the button cabling; The 2nd layer is the control signal layer, is laid with switch controlling signal and interface control signal cabling; The 3rd layer is bus plane, is laid with power line and voltage plane; The 4th layer is the stratum; The 5th layer is the baseband signal layer, is laid with the signal lead of baseband circuit; The 6th layer is the radiofrequency signal layer, is laid with the radio-frequency front-end impedance line.
Preferably, on the 6th layer of the pcb board of said main circuit board, radome is installed, baseband circuit that is installed in the main circuit board back side and radio circuit are positioned at described radome, disturb and radiation to reduce.
Main circuit board method for designing based on above-mentioned portable terminal; The utility model provides a kind of portable terminal that adopts said main circuit board design again; Comprise main circuit board, battery and display screen; Marginal position on said main circuit board top is designed with battery connector part and display screen connector part, is respectively applied for to connect battery and display screen, and said battery and display screen assemble and be positioned at the top of main circuit board back-to-back.
Compared with prior art; The advantage and the good effect of the utility model are: the utility model is designed to disconnected plate form through the main circuit board with portable terminal; The battery and the display screen of portable terminal can be placed with the main circuit board dislocation; Can reduce the thickness of movement thus, satisfy the ultrathin designing requirement of portable terminal.Simultaneously; Adopt the main circuit board of this disconnected plate form to compare the main circuit board that tradition adopts whole plate form design; Can reduce the cost of main circuit board better, satisfy design and develop needs in, the collocation of peripheral components is more flexible; Multiple different appearance design can be cooperated, and secondary development neatly can be realized.
Description of drawings
Fig. 1 is the Facad structure sketch map of the main circuit board of the portable terminal that proposes of the utility model;
Fig. 2 is the structure sketch map of the main circuit board of portable terminal;
Fig. 3 is the internal wiring schematic cross-section of the main circuit board of portable terminal;
Fig. 4 is the schematic block circuit diagram of a kind of embodiment that adopts the portable terminal of the main circuit board design that the utility model proposed;
Fig. 5 is the assembling relationship figure of portable terminal;
Fig. 6 is the end view of Fig. 5;
Fig. 7 is the rearview of Fig. 5.
Embodiment
Describe in detail below in conjunction with the embodiment of accompanying drawing the utility model.
Present embodiment is example with the mobile phone products of the straight plate form of button as portable terminal, and the structural design of the main circuit board (being designated hereinafter simply as mainboard) of portable terminal is specified.
Present embodiment sets about realizing the disconnected board-like design of mainboard for the mobile phone of the straight plate form of button is realized lightening design from the profile of cell phone mainboard, the many-sides such as layout, lamination and wire structures of electronic devices and components.In order to reach the purpose of design that reduces movement thickness, need adopt the dislocation mode to lay cell phone mainboard and battery of mobile phone, display screen.For this reason, present embodiment is provided for the battery connector part and the display screen connector part that is used to be connected mobile phone display screen of connection hand machine battery in the top edge position of cell phone mainboard.When the assembling mobile phone; The connecting line of battery and display screen (preferably adopting the LCD screen) is welded on respectively on described battery connector part and the display screen connector part; And battery and display location are assembled in the top of mainboard and back-to-back, and not only can realize the dislocation assembling of mainboard and battery, display screen thus, effectively reduce complete machine thickness; And the fit back-to-back of battery and display screen also helps strengthening the intensity of complete machine, the reliability of raising mobile phone products.
Below in conjunction with Fig. 1, Fig. 2 and Fig. 5-Fig. 7 the concrete design of cell phone mainboard is at length set forth.
Fig. 1 is the front layout of cell phone mainboard, is laid with button part 1 and microphone part 2 in the front of cell phone mainboard 10.Button part 1 is directly designed on mainboard 10, can realize keypress function after mounting metal clips conducting film 15 (being the DOME sheet), in conjunction with Fig. 5, shown in Figure 6.Adopt this button design to replace traditional independent keypad design, when effectively practicing thrift cost, can satisfy the technological requirement of production line better.Microphone part 2 is used to weld microphone device 19, in conjunction with shown in Figure 6, is laid in the bottom in mainboard 10 fronts; The preferred welding pin that adopts the jack form to improve welding reliability, can avoid the use of the form of long lead thus; Assembling is simple, has effectively reduced manufacturing cost.
Fig. 2 is the back side layout of cell phone mainboard; Comprise battery connector part 3, display screen connector part 4, peripheral interface connector part 5, usb interface connector part 6, baseband circuit part 7, radio circuit part 8 and antenna feed point part 9; Each several part can all be designed to the pad form, with convenient and various types of electronic device welding.3 designs of battery connector part in the top edge position at mainboard 10 back sides, can be realized the dislocation assembling of battery 13 and mainboard 10 thus, effectively reduce the thickness of complete machine.Display screen connector part 4 designs in the top edge position at mainboard 10 back sides, to make things convenient for the welding operation of display screen 12 equally.Battery 13 and display screen 12 are placed on the top of mainboard 10, referring to Fig. 5, shown in Figure 6, and assembling back-to-back, so not only can help reducing the thickness of complete machine, and can strengthen the intensity of complete machine, the reliability of raising complete machine.Peripheral interface connector part 5 design is preferably adopted the interface connector of 23Pin at the marginal position on the left side or the right side of mainboard 10, thereby helps and being connected of other peripheral components, and makes things convenient for the adjustment of structure simultaneously, can realize the compatibility design of many outward appearances.
For single deck tape-recorder mobile phone, such as the TD-SCDMA/GSM terminal etc., because its hardware plan design relative complex based on different network formats; Therefore; Present embodiment preferably is independent of cell phone mainboard 10 with the deck 17 (for example being used to install the deck of SIM) of mobile phone and loud speaker, motor part 18, is laid on the independent PCB platelet 20, in conjunction with shown in Figure 7; Realize the switching of said PCB platelet 20 and cell phone mainboard 10 through board to board connector; The concrete peripheral interface connector part 5 that connects said mainboard 10, thus can use when making things convenient for secondary development so that the design of mainboard 10 reaches maximum optimization.Certainly, for based on a kind of single deck tape-recorder mobile phone of network formats or based on the double-card mobile phone of two kinds of different network formats, this design is suitable equally.
Because the USB serial communication mode is still the most popular communication form at present; Therefore; Present embodiment has also designed the usb interface connector part 6 that is used to weld USB interface on cell phone mainboard 10, as shown in Figure 2, is laid in the marginal position on the left side or the right side of mainboard 10 equally; Preferably design in the same side of mainboard 10, to make things convenient for the integral layout of mainboard 10 with said peripheral interface connector part 5.Standard USB interface 16 is welded on the described usb interface connector part 6,, is connected communication with baseband circuit on the mainboard 10, to realize the transmitted in both directions function of equipment room data through the printed wire of mainboard 10 in conjunction with Fig. 5, shown in Figure 7.
Antenna feed point part 9 preferred cloth are located at the bottom of mainboard 10, are used to weld antenna module.Antenna module is the R-T unit of wireless signal, cooperates with duplexer to form antenna element.Said duplexer is divided into reception and transmitting section with the radiofrequency signal of transmitting-receiving, and the radiofrequency signal of transmitting-receiving is isolated, and influences each other with minimizing.
The remainder of mainboard 10, promptly the zone line of mainboard 10 is used to lay baseband circuit part 7 and radio circuit part 8.Wherein, baseband circuit part 7 is used to weld the electronic device that master chip and memory etc. are formed baseband circuit, and integral layout is positioned at the central authorities of mainboard, the optimization in Properties that helps connecting up, and make this part be easy to realize modularization, make things convenient for team collaboration's design.Radio circuit part 8 should be positioned at the below of baseband circuit part 7, and adjacent antenna feedback point part 9 can help optimizing RF index like this, reduces to disturb and radiation.
The cell phone mainboard 10 of present embodiment adopts the design of 6 laminates, and promptly its pcb board comprises 6 layers, compares traditional 8 laminates design and can effectively practice thrift cost about 15%.Owing to reduced the number of plies, in internal structure, only designed one deck intactly, be positioned at the 4th layer of pcb board, radiofrequency signal is played effective isolation and protection, guaranteed machine performance.In vertically distributing, each routing layer is relatively independent, guarantees the relative isolation of radio frequency and baseband region, and the each several part signal is not disturbed mutually.Sectional view referring to mainboard internal wiring shown in Figure 3; Its 1st layer is key layer; The main cabling of button and the cabling of microphone laid is designed with described button part 1 (promptly being used to weld the pad of button) and microphone part 2 (promptly being used to weld the jack pin of microphone) at its outer surface; The 2nd layer is the control signal layer, mainly accomplishes the wiring of circuit such as switch control, interface control; The 3rd layer is bus plane, and power line and voltage plane mainly are positioned at this layer, and be adjacent with the 4th layer stratum, helps the design control of power supply integrality, guarantees that the electric power system of complete machine is reliable and stable; The 5th layer is the baseband signal layer, mainly accomplishes the signal routing of baseband circuits such as data wire and address wire; The 6th layer of the surface is the radiofrequency signal layer, accomplishes the designing wiring of radio-frequency front-end impedance line, helps the accurate control and the processing and fabricating of impedance.Said battery connector part 3, display screen connector part 4, peripheral interface connector part 5, usb interface connector part 6, baseband circuit part 7, radio circuit part 8 and antenna feed point part 9 promptly are laid in said the 6th layer outer surface.
Fig. 4 is the schematic block circuit diagram of mainboard 10; With the TD-SCDMA/GSM mobile phone is that example describes, and is welded on interface circuit, crystal oscillating circuit and other application circuit parts that baseband circuit on the baseband circuit part 7 mainly comprises peripheral interfaces such as the charging circuit of central processing unit, memory, connection battery, the video circuit that connects display screen 12, voicefrequency circuit (connecting microphone 19, receiver 14, loud speaker and earphone), the vibrations circuit that is connected motor 18, the key scanning circuit that connects keyboard, connection USB.The radio circuit that is welded on radio circuit part 8 is divided into TD-SCDMA and GSM two parts, comprise with baseband circuit in central processing unit be connected communication duplexer, the RF switch that is connected with antenna module and be connected duplexer and RF switch between TD deep surface filter, GSM deep surface filter, TD power amplifier and GSM power amplifier.
The operation principle of this motherboard circuit is: the downstream wireless signals of TD-SCDMA 2010～2025 MHz that antenna end is received and the base station of 1880MHz～1920MHz is passed through receiving circuit filtering, low noise amplification, down-conversion, demodulation process; Obtain base band TD-SCDMA signal, these are mainly accomplished by TD deep surface filter, duplexer and central processing unit; The TD-SCDMA analog baseband signal that mobile phone is up through radiating circuit modulate, up-conversion, filtering, power amplification; Launch from antenna end with 2010MHz～2025MHz frequency and suitable power, these are mainly realized by central processing unit, duplexer and TD power amplifier.The EGSM/DCS downstream signal that antenna end receives is accomplished filtering, low noise amplification, down-conversion, demodulation process through GSM deep surface filter, duplexer and central processing unit, obtain base band EGSM/DCS signal; The uplink baseband signal of mobile phone is accomplished modulation, up-conversion through central processing unit, carry out power amplification through the GSM power amplifier after, launch from antenna with suitable power.
The mainboard of present embodiment is compared with the mainboard of the whole plate form of tradition; The overall dimension of conventional mobile phone mainboard is generally 107.5*46.0*1.0mm (the wide * of high * is thick); And adopt the mainboard overall dimension of disconnected plate conceptual design can be merely 39.9*49.4*1.0mm; Obviously dwindled the area of mainboard, the design of whole relatively plate is practiced thrift cost and can be reached about 50%, designs succinct, generous, practical.
Certainly, the motherboard design scheme that the utility model proposed is equally applicable in the motherboard design of other portable terminals except that mobile phone.
Should be noted that; The above only is a kind of preferred implementation of the utility model; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.
Claims (10)
1. the main circuit board of a portable terminal; It is characterized in that: the marginal position on said main circuit board top is designed with battery connector part and display screen connector part; Be respectively applied for connection battery and display screen, said battery and display screen assemble and are positioned at the top of main circuit board back-to-back.
2. the main circuit board of portable terminal according to claim 1; It is characterized in that: said battery connector part and the design of display screen connector part also are designed with peripheral interface connector part, baseband circuit part, radio circuit part and antenna feed point part on the top at the main circuit board back side at the back side of said main circuit board; Be designed with button part and microphone part in the front of said main circuit board.
3. the main circuit board of portable terminal according to claim 2, it is characterized in that: said antenna feed point partial design is used to connect antenna module in the bottom at the main circuit board back side.
4. the main circuit board of portable terminal according to claim 3; It is characterized in that: said baseband circuit part and radio circuit partly are positioned at the zone line at the main circuit board back side; And radio circuit partly is positioned at the below of baseband circuit part, closes on described antenna feed point part.
5. the main circuit board of portable terminal according to claim 2 is characterized in that: said peripheral interface connector part design is at the marginal position on the left side or the right side at the main circuit board back side.
6. the main circuit board of portable terminal according to claim 2; It is characterized in that: the deck of said portable terminal, loud speaker and motors designs are connected with peripheral interface connector part on the said main circuit board through board to board connector on PCB platelet independently.
7. the main circuit board of portable terminal according to claim 2 is characterized in that: also be designed with the usb interface connector part in the left side at the said main circuit board back side or the marginal position on right side; Said microphone partial design becomes the welding pin of jack form, is positioned at the positive bottom of main circuit board; On said button part, be pasted with the metal clips conducting film.
8. according to the main circuit board of each described portable terminal in the claim 2 to 7, it is characterized in that: said main circuit board adopts 6 layers pcb board, and the 1st layer is key layer, is laid with the button cabling; The 2nd layer is the control signal layer, is laid with switch controlling signal and interface control signal cabling; The 3rd layer is bus plane, is laid with power line and voltage plane; The 4th layer is the stratum; The 5th layer is the baseband signal layer, is laid with the signal lead of baseband circuit; The 6th layer is the radiofrequency signal layer, is laid with the radio-frequency front-end impedance line.
9. the main circuit board of portable terminal according to claim 8 is characterized in that: on the 6th layer of the pcb board of said main circuit board, radome is installed, the baseband circuit and the radio circuit that are installed in the main circuit board back side are positioned at described radome.
10. a portable terminal comprises battery and display screen, it is characterized in that: also comprise the main circuit board like the described portable terminal of each claim in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120246660XU CN202218474U (en) | 2011-07-13 | 2011-07-13 | Main circuit board of mobile terminal and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120246660XU CN202218474U (en) | 2011-07-13 | 2011-07-13 | Main circuit board of mobile terminal and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202218474U true CN202218474U (en) | 2012-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120246660XU Expired - Lifetime CN202218474U (en) | 2011-07-13 | 2011-07-13 | Main circuit board of mobile terminal and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202218474U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458071A (en) * | 2012-06-05 | 2013-12-18 | 希姆通信息技术（上海）有限公司 | Hand-held terminal and manufacturing method thereof |
| CN104619120A (en) * | 2015-01-27 | 2015-05-13 | 山东共达电声股份有限公司 | Mobile terminal and circuit board thereof |
| CN106027724A (en) * | 2016-07-28 | 2016-10-12 | 广东欧珀移动通信有限公司 | Mobile terminal and mobile phone |
| CN106412777A (en) * | 2016-12-07 | 2017-02-15 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN107623989A (en) * | 2017-10-24 | 2018-01-23 | 广东欧珀移动通信有限公司 | Printed circuit board (PCB) and mobile terminal |
| CN107635352A (en) * | 2017-09-30 | 2018-01-26 | 广东欧珀移动通信有限公司 | A kind of circuit board assemblies and mobile terminal |
| CN108040425A (en) * | 2017-12-14 | 2018-05-15 | 广东长盈精密技术有限公司 | Electronic equipment and its circuit board |
| CN110299479A (en) * | 2019-06-26 | 2019-10-01 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN111465193A (en) * | 2020-04-21 | 2020-07-28 | 惠州Tcl移动通信有限公司 | PCB circuit board and mobile terminal |
-
2011
- 2011-07-13 CN CN201120246660XU patent/CN202218474U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103458071B (en) * | 2012-06-05 | 2017-11-03 | 希姆通信息技术（上海）有限公司 | Handheld terminal and its manufacture method |
| CN103458071A (en) * | 2012-06-05 | 2013-12-18 | 希姆通信息技术（上海）有限公司 | Hand-held terminal and manufacturing method thereof |
| CN104619120A (en) * | 2015-01-27 | 2015-05-13 | 山东共达电声股份有限公司 | Mobile terminal and circuit board thereof |
| CN106027724B (en) * | 2016-07-28 | 2019-07-19 | Oppo广东移动通信有限公司 | Mobile terminal and mobile phone |
| CN106027724A (en) * | 2016-07-28 | 2016-10-12 | 广东欧珀移动通信有限公司 | Mobile terminal and mobile phone |
| CN106412777A (en) * | 2016-12-07 | 2017-02-15 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN106412777B (en) * | 2016-12-07 | 2020-07-31 | 青岛海信移动通信技术股份有限公司 | Mobile terminal |
| CN107635352A (en) * | 2017-09-30 | 2018-01-26 | 广东欧珀移动通信有限公司 | A kind of circuit board assemblies and mobile terminal |
| CN107623989A (en) * | 2017-10-24 | 2018-01-23 | 广东欧珀移动通信有限公司 | Printed circuit board (PCB) and mobile terminal |
| CN108040425A (en) * | 2017-12-14 | 2018-05-15 | 广东长盈精密技术有限公司 | Electronic equipment and its circuit board |
| CN108040425B (en) * | 2017-12-14 | 2019-09-20 | 广东长盈精密技术有限公司 | Electronic equipment and its circuit board |
| CN110299479A (en) * | 2019-06-26 | 2019-10-01 | Oppo广东移动通信有限公司 | Electronic equipment |
| CN110299479B (en) * | 2019-06-26 | 2022-01-14 | Oppo广东移动通信有限公司 | Electronic device |
| CN111465193A (en) * | 2020-04-21 | 2020-07-28 | 惠州Tcl移动通信有限公司 | PCB circuit board and mobile terminal |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |