CN102300402A - Circuit board module - Google Patents

Abstract

The invention relates to a circuit board module, which comprises a first circuit board and a second circuit board, wherein the first circuit board is provided with a plurality of parallel slip terminals; the second circuit board comprises a slip part which is opposite to the first circuit board; the surface of the slip part which is opposite to the first circuit board is provided with a plurality of second slip terminals; the plurality of second slip terminals correspond to the plurality of first slip terminals one by one; and each second slip terminal is in signal communication with a corresponding first slip terminal and can slip relative to the corresponding first slip terminal in the extending direction of the plurality of first slip terminals. The circuit board module provided by the invention can be applied to a slip cover electronic device, and can be used for effectively preventing a circuit of the circuit board from being damaged by rupture stress generated by repeated bending the circuit board in the slipping process of the slip cover electronic device.

Description

The circuit board module

Technical field

The present invention relates to field of circuit boards, relate in particular to a kind of circuit board module that is applied to slide electronic device.

Background technology

Along with progress of science and technology, the application widely that printed circuit board (PCB) obtains at electronic applications.Application about circuit board sees also document Takahashi, A.Ooki, N.Nagai, A.Akahoshi, H.Mukoh, A.Wajima, M.Res.Lab, High densitymultilayer printed circuit board for HITAC M-880, IEEE Trans.onComponents, Packaging, and Manufacturing Technology, 1992,15 (4): 418-425.

In the prior art, slide electronic device generally includes body and slip lid.By being set, slide construction make slip lid to slide between body and the slip lid with respect to body.Connect a flexible PCB between the body of existing slide electronic device and the slip lid.One end of flexible PCB is connected with the element in the body, and the element in the other end and the slip lid interconnects, thereby realizes that the signal of telecommunication between body and the slip lid connects.Yet, along with the miniaturization of electronic component and the requirement of slimming, the zone that is used to accommodate circuit board between body and the slip lid diminishes, so just make circuit board in sliding process, produce " dead folding " phenomenon, be that flexible PCB is when bending, the part that part that circuit board is connected with body and circuit board are connected with slip lid is in contact with one another, carry out in the sliding process at electronic installation like this, make flexible PCB bending place stress increase, make the conducting wire of flexible PCB rupture, make the lifetime of flexible PCB, and then influence the performance of slide electronic device.

Summary of the invention

Therefore, be necessary to provide a kind of circuit board module, can effectively prevent to cause in the slide electronic device sliding process conducting wire fracture of circuit board module.

Below will a kind of circuit board module be described with embodiment.

A kind of circuit board module comprises first circuit board and second circuit board.Described first circuit board has many first of being parallel to each other and slips terminal.Described second circuit board comprises slide connecting part, described slide connecting part and first circuit board are oppositely arranged, itself and first circuit board facing surfaces have many second and slip terminal, many second slip terminal with many first to slip terminal corresponding one by one, every second slip terminal corresponding with it first slip the mutual signal conduction of terminal and can be on described many first bearing of trends that slip terminal with respect to corresponding first slipping terminal and slide with it.

Compared with prior art, the circuit board module that the technical program provides, it comprises the first circuit board and the second circuit board of mutual correspondence.First circuit board has a plurality of first and slips terminal, and second circuit board has and a plurality of first slips terminal and second slip terminal one to one.Be applied to the main part and the sliding lid part timesharing of slide electronic device when first circuit board and second circuit board correspondence, slip terminal by a plurality of first and slip the corresponding sliding contact of terminal with a plurality of second, thus the main part and the conducting of sliding lid part sub-signal of realization slide electronic device.That is to say, realize signal conduction between two circuit boards thereby be slidingly connected between the circuit board that the circuit board module that the technical program provides is separated from each other by setting, can avoid circuit board of available technology adopting be connected in main part and sliding lid part divide between in sliding process, the stress of destroying or force to yield that circuit board bends generation repeatedly damages circuit board line.

Description of drawings

Fig. 1 is the schematic diagram of the circuit board module that provides of the technical program embodiment.

Fig. 2 is that the circuit board module component that the technical program embodiment provides is separated schematic diagram.

Fig. 3 is the cutaway view of Fig. 1 along the III-III line.

The main element symbol description

Circuit board module 100

First circuit board 110

Firstinsulating barrier 111

First surface 1111

Second surface 1112

Firstconductive layer 112

First slips terminal 1121

First end 1122

Thesecond end 1123

First reinforcingchip 113

First connector 114

Second circuit board 120

Secondinsulating barrier 121

The3rd surface 1211

The4th surface 1212

Secondconductive layer 122

Connection line 1221

Second slips terminal 1222

Connectingportion 1223

Kink 1224

Slide connecting part 1225

Cover layer 1226

Second connector 123

Support component 124

Second reinforcingchip 125

Embodiment

Circuit board module that the technical program is provided below in conjunction with a plurality of drawings and Examples and the slide electronic device that comprises this circuit board module further specify.

See also Fig. 1, Fig. 2 and Fig. 3, the technical program embodiment provides a kind ofcircuit board module 100, andcircuit board module 100 comprisesfirst circuit board 110 andsecond circuit board 120.

First circuit board 110 is used for the main part of slide electronic device.First circuit board 110 can be multilayer circuit board, promptly includes the multilayer conductive circuit in the first circuit board 110.First circuit board 110 also can be two-sided or single face circuit board.First circuit board 110 can the hard circuit board, and it also can be flexible PCB.In the present embodiment,first circuit board 110 is a flexible PCB, and is rectangular single face circuit board, and it comprisesfirst insulating barrier 111, firstconductive layer 112, first reinforcingchip 113 andfirst connector 114.

First insulating barrier 111 has opposite first 1111 and second surface 1112.The material of firstinsulating barrier 111 can be polyimides, Polyetherimide or polyester etc.First surface 1111 is used to post and fix other elements in the main part of slide electronic device.

Firstconductive layer 112 comprises that many first slip terminal 1121.Every first material that slips terminal 1121 is a copper.Be understandable that,, also can form the gold layer on each first surface of slipping terminal 1121 for increasing by first chemical stability of slipping terminal 1121.In the present embodiment, many first slip terminal 1121 and are parallel to each other and spaced set.Every first slips terminal 1121 and all extends along the length direction of first circuit board 110.Every first width that slips terminal 1121 all equates with adjacent two first spacings of slipping terminal 1121.The length S that every first length of slipping terminal 1121 should be desired to slide greater than slide electronic device.Every first slips terminal 1121 and has relativefirst end 1122 and the second end 1123.Certainly, according to the actual needs, many first spacings of slipping between the terminal 1121 also can be unequal, and many first width that slip terminal 1121 can not wait yet.

First connector 114 is installed on many first sides of slipping thesecond end 1123 of terminal 1121, and slips terminal 1121 equal phase signals and be connected with many first.In the present embodiment,first connector 114 is a printed circuit connector, and it is used for slipping the mutual signal conduction of other elements of terminal 1121 and slide electronic device main part with a plurality of first.

When length S that first length of slipping terminal 1121 need slide greater than slide electronic device, can be that other first surfaces of slipping terminal 1121 of exposing of the part of S form coverlay removing tofirst end 1122 length, making wins slips terminal 1121 need the part and the external insulation that are in communication with the outside.

First reinforcingchip 113 is formed at the first surface 1111 of first insulating barrier 111.In actual applications, whenfirst circuit board 110 is a flexible PCB, its mechanical strength is less, and when other element surfaces of the main part of the slide electronic device that cooperates with first surface 1111 are unsmooth, first reinforcingchip 113 can increase the mechanical strength offirst circuit board 110, prevents thatfirst circuit board 110 is mounted on back, above-mentioned rough surface and produces fold.The material of first reinforcingchip 113 can be adjacent with the material of firstinsulating barrier 111, guarantee whenfirst circuit board 110 temperature raise, first reinforcingchip 113 andfirst insulating barrier 111 have close thermal coefficient of expansion, are separated from each other because of different generation of thermal expansion deformation withfirst insulating barrier 111 to prevent first reinforcingchip 113.

Second circuit board 120 is applied to the slip lid part of slip lid electronic installation, and it comprises secondinsulating barrier 121, secondconductive layer 122,second connector 123,support component 124 and second reinforcing chip 125.Second circuit board 120 is a flexible PCB, and it can be multilayer circuit board, also can be the single face circuit board.Be that the single face circuit board is that example describes withsecond circuit board 120 in the present embodiment.

Secondinsulating barrier 121 has relative the 1211 and the4th surface 1212, the 3rd surface.Secondconductive layer 122 is formed at the4th surface 1212.

Secondconductive layer 122 comprises that second of the connection line 1221 of many mutually insulateds and Duo Gen mutually insulatedslips terminal 1222, many connection lines 1221 are used to transmit signal, manysecond slip terminal 1222 and are used for slipping the corresponding one by one sliding contact of terminal 1121 with many first, thereby carry out the signal transmission between 120 offirst circuit board 110 and the second circuit boards.The set-up mode of many connection lines 1221 is corresponding mutually with many first set-up modes that slip terminal 1121.In the present embodiment, many connection lines 1221 are arranged in parallel.Spacing between two adjacent connection lines 1221 equates that the width of many connection lines 1221 all equates.The spacing of two adjacent connection lines 1221 equates with the width of every connection line 1221.The width of every connection line 1221 equates that with every first width that slips terminal 1121 spacing of two adjacent connection lines 1221 equates with adjacent two first spacings of slipping terminal 1121.Manysecond slip terminal 1222 and connect one to one in many connection lines 1221.The bearing of trend of the every second connected connection line 1221 of bearing of trend thatslips terminal 1222 is identical.Slip on the bearing of trend ofterminal 1222 and connection line 1221 second, interconnective second center line thatslips terminal 1222 and connection line 1221 overlaps.Manysecond slip terminal 1222 and are arranged in parallel many second width that slip the width ofterminal 1222 less than connected connection line 1221.In the present embodiment, every second width thatslips terminal 1222 equals half of width of every connection line 1221, two second adjacent spacings ofslipping terminal 1222 equal 1.5 times of spacing of adjacent two connection lines 1221, be that every second width thatslips terminal 1222 equals half of every first width that slips terminal 1121, the second adjacent spacing ofslipping terminal 1222 equals adjacent first 1.5 times of spacing that slip terminal 1121.Be understandable that the set-up mode of many connection lines 1221 can be not limited to the mode in the present embodiment, as long as can guarantee between the many connection lines 1221 mutually insulated andslip terminal 1222 corresponding connections with many second.

Slip the bearing of trend ofterminal 1222 along interconnective connection line 1221 and second,second circuit board 120 comprises connectingportion 1223,kink 1224 and theslide connecting part 1225 that connects successively.Wherein, many connection lines 1221 are positioned at the4th surface 1212 of connectingportion 1223 andkink 1224 correspondences, and many second slip the4th surface 1212 thatterminal 1222 is positioned atslide connecting part 1225 correspondences.Connection line 1221 surfaces of described connectingportion 1223 andkink 1224 are provided withcover layer 1226, to protect a plurality of connection lines 1221, avoid connection line 1221 oxidized.Describedcover layer 1226 can be printing ink, also can be the rete of PETG (PET) material or the making of other flexible material.

In order to increase the hardness ofsecond circuit board 120, second reinforcingchip 125 is formed on the3rd surface 1211 of secondinsulating barrier 121 of connectingportion 1223 correspondences, assembles to make things convenient for connectingportion 1223 and other elements of slip lid part.

Becausesecond circuit board 120 is a flexible PCB, has flexility, therefore can make secondinsulating barrier 121 and secondconductive layer 122 be under the bending state by bending.That is, can be so that connectingportion 1223 be substantially parallel withslide connecting part 1225, and makekink 1224 be basically perpendicular to connectingportion 1223 andslide connecting part 1225 simultaneously.Thereby make corresponding the 3rd surperficial 1211 relative of the3rd surface 1211 and theslide connecting part 1225 of connectingportion 1223 correspondences.

Second connector 123 is installed on the end of connectingportion 1223 away from kink 1224.Second connector 123 interconnects with many connection lines 1221, is used for other elements insecond circuit board 120 and the slip lid are interconnected.In the present embodiment,second connector 123 also is a circuit board connector.

Support component 124 is arranged between connectingportion 1223 and theslide connecting part 1225, and contact withkink 1224, keep connectingportion 1223 substantially parallel thereby make, and makekink 1224 be basically perpendicular to the shape of connectingportion 1223 andslide connecting part 1225 simultaneously with slide connecting part 1225.In the present embodiment,support component 124 is a foam, and its material can be polyurethanes (PU).Support component 124 is roughly strip, and the width of its length andsecond circuit board 120 about equally.The bearing of trend ofsupport component 124 is perpendicular to second bearing of trend thatslips terminal 1222, and its surface is individually fixed in second reinforcing chip, 125 surfaces of connectingportion 1223 correspondences, the3rd surface 1211 ofkink 1224 correspondences and the3rd surface 1211 ofslide connecting part 1225 correspondences.

First circuit board 110 is arranged in parallel with theslide connecting part 1225 ofsecond circuit board 120, and the bearing of trend and second bearing of trend that slipsterminal 1222 that slips terminal 1121 of winning is parallel to each other.The4th surface 1212 of secondinsulating barrier 121 ofslide connecting part 1225 correspondences is relative with the second surface 1112 offirst insulating barrier 111 of first circuit board 110.Each first slip terminal 1121 with one second toslip terminal 1222 corresponding mutually and be in contact with one another, be that eachsecond slips terminal 1222 and be stacked and placed on first of its correspondence and slip on the terminal 1121, thereby makefirst circuit board 110 andsecond circuit board 120 mutual signal conductions.And, whenfirst circuit board 110 is installed on the main part of slide electronic device, whensecond circuit board 120 is installed on the cap portion of slide electronic device, when slip lid with respect to main part when first bearing of trend that slips terminal 1121 slides, second ofsecond circuit board 120slips terminal 1222 and slips terminal 1121 slips with respect to first offirst circuit board 110, and in sliding process, corresponding one first slips terminal 1121 and one second andslips terminal 1222 mutual signal conductions, thereby makefirst circuit board 110 andsecond circuit board 120 signal conductions, thereby make the main part and the mutual signal conducting of sliding lid part phase-splitting of slide electronic device.

In the present embodiment, mutually corresponding first slips terminal 1121 and second, and to slip the width ofterminal 1222 different, promptly second width thatslips terminal 1222 is less than first width that slips terminal 1121, like this, even mutually to some deviations of seasonable existence, can guarantee that also corresponding mutuallysecond slips terminal 1222 and first and slip terminal 1121 and well contact atfirst circuit board 110 and second circuit board 120.Certainly, also can be with first width setup that slips terminal 1121 for less than second width that slipsterminal 1222.

Be understandable thatfirst circuit board 110 also can be applied to the slip lid part of slide electronic device, and thesecond circuit board 120 corresponding with it is arranged at main part.

Thecircuit board module 100 that the technical program provides, it comprises thefirst circuit board 110 and thesecond circuit board 120 of mutual correspondence.First circuit board 110 has a plurality of first and slips terminal 1121, andsecond circuit board 120 has and a plurality of first slips terminal 1121 andsecond slip terminal 1222 one to one.Be applied to the main part and the sliding lid part timesharing of slide electronic device whenfirst circuit board 110 andsecond circuit board 120 correspondences, slip terminal 1121 and a plurality of second by a plurality of first andslip terminal 1222 corresponding sliding contacts, thus the main part and the conducting of sliding lid part sub-signal of realization slide electronic device.That is to say, realize signal conduction between two circuit boards thereby be slidingly connected between the circuit board that thecircuit board module 100 that the technical program provides is separated from each other by setting, can avoid circuit board of available technology adopting be connected in main part and sliding lid part divide between in sliding process, the stress of destroying or force to yield that circuit board bends generation repeatedly damages circuit board line.

Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection range that all should belong to claim of the present invention with distortion.

Claims (10)

1. circuit board module comprises:

First circuit board, described first circuit board have many first of being parallel to each other and slip terminal; And

Second circuit board, described second circuit board comprises slide connecting part, described slide connecting part and first circuit board are oppositely arranged, itself and first circuit board facing surfaces have many second and slip terminal, many second slip terminal with many first to slip terminal corresponding one by one, every second slip terminal corresponding with it first slip the mutual signal conduction of terminal and can be on described many first bearing of trends that slip terminal with respect to corresponding first slipping terminal and slide with it.

2. circuit board module as claimed in claim 1 is characterized in that, described many first slip terminal and are stacked and placed on corresponding with it described first respectively and slip on the terminal.

3. circuit board module as claimed in claim 1 is characterized in that, described second width that slips terminal is less than corresponding with it first width that slips terminal.

4. circuit board module as claimed in claim 1, it is characterized in that, described many first width that slip terminal all equate, adjacent two first spacings of slipping terminal equate with every first width that slips terminal, every second width that slips terminal all equates, every second width that slips terminal equals every first and slips half of terminal width, and two second adjacent spacings of slipping terminal equal every first 1.5 times of slipping the terminal width.

5. circuit board module as claimed in claim 1, it is characterized in that, described first circuit board also comprises first connector, and described first connector and many first are slipped the mutual signal conduction of terminal, and described first connector is used for first circuit board and the mutual signal conduction of external element.

6. circuit board module as claimed in claim 1 is characterized in that described first circuit board also comprises first reinforcing chip, and the side that the section of slipping that described first reinforcing chip is formed at first circuit board and second circuit board is opposing is to carry out reinforcement to first circuit board.

7. circuit board module as claimed in claim 1, it is characterized in that, described second circuit board also comprises kink and connecting portion, described kink is connected between described slide connecting part and the described connecting portion, described second circuit board makes described slide connecting part and described connecting portion be parallel to each other by bending and described kink is basically perpendicular to described slide connecting part and described connecting portion, described connecting portion is in the side of described slide connecting part away from first circuit board, described second circuit board also has many connection lines, described many connection lines are formed at described kink and described connecting portion, and described many connection lines and described many second are slipped terminal and connected one to one.

8. circuit board module as claimed in claim 7 is characterized in that, the surface of described many connection lines is formed with coverlay so that many connection lines and external insulation.

9. circuit board module as claimed in claim 7, it is characterized in that described second circuit board also comprises support component, described support component is fixedly set between slide connecting part and the connecting portion, and contact with slide connecting part, connecting portion and kink, be used to keep the shape after the second circuit board bending.

10. circuit board module as claimed in claim 7, it is characterized in that, described second circuit board also comprises second connector, and described second connector is installed on connecting portion and is interconnected with many connection lines, is used for second circuit board and the mutual signal conduction of external element.

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