External module
External connection module technical field more specifically, is related to a kind of external connection module the present invention relates to communication technical field.Background technology is current, with cable（Including fire wire cable and ground wire cable）The external equipment of connection（Such as transmitting equipment, receiving device）Wiring is relatively complicated, during external equipment connection cable, need to reserve connection jaws or connector respectively on cable and external equipment, complex and external equipment the position of operation sets or changed underaction, for example when external equipment needs to change wiring position, operating personnel need wiring of taking out stitches again.This causes the wiring efficiency of external connection module and cable low.The content of the invention is the present invention provide a kind of external connection module, with the wiring efficiency for solving external connection module described in background technology and cable it is low the problem of.In order to solve the above-mentioned technical problem, the present invention provides following technical scheme：External connection module, for being connected with fire wire cable and ground wire cable；The external connection module includes housing, PCB plates, the first power taking part, the second power taking part and tension disc；The two ends of the housing are provided with gap, and the gap constitutes the perforation passed through for the fire wire cable and the ground wire cable, the tension disc and housing formation module internal cavity with the tension disc；The pcb board is arranged in the module internal cavity；The first power taking part and the second power taking part are electrically connected with the pcb board, and the first power taking part is used to contact with the metal inside for the fire wire cable being oppositely disposed, the second power taking part is used to contact with the metal inside for the ground wire cable being oppositely disposed；The tension disc is used to compress the fire wire cable and ground wire cable, so that the first power taking part is contacted with the fire wire cable and the second power taking part with the metal inside of the ground wire cable realizes electric pathway.It is preferred that, in above-mentioned external connection module, optical module, the optical module and optical cable are provided with the pcb board
External optical fiber be connected together to light-path.It is preferred that, in above-mentioned external connection module, the optical branching device for the external optical fiber to be divided into branch optical fibers and main road optical fiber is additionally provided with the pcb board；The external optical fiber of the optical module and optical cable is connected together to light-path and is specially：The optical module is connected to form light-path with the branch optical fibers.It is preferred that, in above-mentioned external connection module：The first power taking part and the second power taking part are fixed on the housing by pallet, and both pass the position of the pallet top surface to realize for penetrating the fire wire cable or ground wire cable and the metal inside is contacted penetrates into portion；Or, the first power taking part and the second power taking part are fixed on the housing by pallet, and both pass the position of the pallet top surface for for the clamping part for the metal inside for clamping the fire wire cable or ground wire cable.It is preferred that, in above-mentioned external connection module, the head end that the first power taking part and the second power taking part are connected with the pcb board has the spring probe for being used for adjusting connecting length.It is preferred that, in above-mentioned external connection module, the portion of penetrating into is power taking probe or power taking cutting knife.It is preferred that, in above-mentioned external connection module, the portion of penetrating into is multiple, and is arranged in rows along the bearing of trend of the fire wire cable or ground wire cable.It is preferred that, in above-mentioned external connection module, the tension disc is one piece, and a side and the housing hinge of the tension disc, and another side passes through buckle clamping with the housing.It is preferred that, in above-mentioned external connection module, the tension disc is two pieces, two pieces of homogeneous sides of tension disc and the housing hinge, another side and the housing are by buckle clamping, and two pieces of tension discs and the housing hinge are hinged side respectively positioned at relative two sides of the housing.It is preferred that, in above-mentioned external connection module, the external connection module also includes cover plate, and the both sides of the cover plate and the both sides of the housing are provided with the connector worked in coordination, and the cover plate is fixed and clamped on the outside of the tension disc by connector.
The external connection module that the present invention is provided is during with cable connection, need to open tension disc, it is put into cable, then compressing tension disc can realize that the first power taking part and the second power taking part contact with the metal inside of fire wire cable and ground wire cable realize power taking respectively, solve the problem of external equipment and cable connection efficiency are low in background technology.The external connection module that the present invention is provided is fixed together with cable so that external connection module is directly attached to the outside of cable, is allowed to be relatively fixed with cable, without extra fixing device, reduces space-consuming.External connection module is depended on after cable, and operating personnel can finely tune external connection module position to reach more preferable using effect by way of bending or coiling cable, i.e., the position of external connection module is can adjust by adjusting cable, can conveniently optimize local using effect.Technical scheme in illustrating in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is briefly described, apparently, for those of ordinary skills, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.Fig. 1 is the longitudinal sectional view of external connection module provided in an embodiment of the present invention；Fig. 2 is the transverse sectional view of external connection module provided in an embodiment of the present invention；Fig. 3 is that longitudinal sectional view Fig. 4 after external connection module provided in an embodiment of the present invention coordinates with optoelectronic composite cable is external connection module provided in an embodiment of the present invention and the transverse sectional view after optoelectronic composite cable cooperation；Fig. 5 is the sectional view of optoelectronic composite cable provided in an embodiment of the present invention；Fig. 6 is the longitudinal sectional view of another external connection module provided in an embodiment of the present invention；Fig. 7 is the transverse sectional view of another external connection module provided in an embodiment of the present invention.Embodiment the embodiments of the invention provide a kind of external connection module, solve external connection module and cable in background technology wiring efficiency it is low the problem of.In order that those skilled in the art more fully understand the technical scheme in the embodiment of the present invention, and enable the above-mentioned purpose of the embodiment of the present invention, feature and advantage more obvious understandable, the technical scheme in the embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing 1- Fig. 4 is refer to, external connection module provided in an embodiment of the present invention includes housing 3, pcb board 10, the first power taking part, the second power taking part and tension disc 2.Housing 3 is the shell of external connection module, and installation foundation is provided for other parts of external connection module.Usual housing 3 can be by ABS (Acrylonitri le Butadiene Styrene copolymers, propylene wing-SB）Material is made, and can also be made up of the hard material of other species.Housing 3 is the cavity structure of top end opening, and it is provided at both ends with gap, and gap constitutes the perforation 302 passed through for fire wire cable and ground wire cable with tension disc 2.In the present embodiment, housing 3 can be square structure, or ship shape structure.It is preferred that, housing 3 is ship shape structure, and ship type structure can avoid when by external force stress concentration due to streamline construction, being connected up beneficial in the complex environments such as ceiling, and then reduce the probability that housing 3 is damaged.Tension disc 2 cooperatively forms module internal cavity with housing 3.In actual operating process, the folding of tension disc 2 can realize the folding of module internal cavity.Tension disc 2 can be made up of ABS material, can also be made up of the hard material of other species.In cable（Including ground wire cable and fire wire cable）During the assembly manipulation of external connection module, directly open tension disc 2 and cable is put into module internal cavity, and the position that external connection module is stretched in outside cable is in perforation 302, then tension disc 2 is covered to realize the fixation to cable, during tension disc 2 is covered, first power taking part is contacted to realize electric pathway with the metal inside and the second power taking part of fire wire cable with the metal inside of ground wire cable, so as to be quickly pcb board power taking.External connection module can also be connected with optical cable in the present embodiment, i.e., described gap is additionally operable to passing through for optical cable with the perforation that tension disc 2 is constituted, and optical cable can be fixed with cable by tension disc 2.The fit system of tension disc 2 and housing 3 has a variety of in the present embodiment.A kind of fit system of tension disc 2 and housing 3 is as follows：Tension disc 2 is one piece, and a side and the housing 3 of tension disc 2 are hinged, and another side and the housing 3 of tension disc 2 pass through buckle clamping.Wherein, a side and another side Relative distribution.During operation, the folding of tension disc 2 can be achieved by moving and pressing by operator, so as to realize that cable is fixedly connected with the quick of external connection module.Under such a fit system, the whole closure of tension disc 2 is realized to cable（Including fire wire cable and ground wire cable, optical cable can also be included）Compression, after tension disc 2 is opened whole cable be in releasing orientation.In order to realize that cable is in the operation being compacted under state to external connection module, tension disc 2 in the present embodiment can be two pieces, two pieces of tension discs 2 are identical with the fit system of housing 3, and homogeneous side is hinged with housing 3, and relative another side passes through buckle clamping with housing 3.It is more highly preferred to, the hinge that above-mentioned two pieces of tension discs are hinged with the housing 3
Relative two side that side is located at housing 3 respectively is connect, such a structure enables to the opening direction of two pieces of tension discs 2 on the contrary, and then so that a wherein tension disc 2 opens another tension disc 2 to operate corresponding site when being in impaction state.Meanwhile, above-mentioned two pieces of tension discs 2 enable to the thrust of the whole cable of 2 pairs of tension disc more balanced, it is possible to increase the stability of compression.Above-mentioned tension disc 2 is connected with housing 3 for clamping.Snap fit can quickly, realize tension disc securely
2 and the connection of housing 3, and then realize to cable（Including live wire circuit and ground wire cable）With external connection module it is quick, firmly fix.In actual application process, cable is more firmly fixed in order to realize, the line ball bore dia that usual housing 3 is formed after being fixed with tension disc 2 is slightly less than the diameter of the cable bundle of cable formation.The restoring force that its deformation is produced after cable bundle is strongly compressed in such cases may make the cooperation of tension disc 2 and housing 3 fail, i.e., the joint end of tension disc 2 may be flicked.Further to improve the connective stability of external connection module and cable bundle, external connection module provided in an embodiment of the present invention also includes cover plate 1, the both sides of the cover plate 1 and the both sides of the housing 3 are provided with the connector worked in coordination, and the cover plate 1 is fixed and clamped in the outside of tension disc 2 by connector.Specifically, the cover plate 1 can be slip lid, and the fit system with housing 3 can be as follows：The both sides outer wall of housing 3 is provided with groove 301, the both sides of cover plate 1 have the projection 102 coordinated with groove 301, the at least one end of groove 301 has the opening come in and gone out for projection 102, raised 102 slide into grooves 301 realize being fixedly connected for cover plate 1 and housing 3, the cover plate 1 is arranged on the outside of the tension disc 2, preferable reinforcement effect is played, external connection module and cable bundle stable connection sex chromosome mosaicism is preferably solved.For the ease of being operated to cover plate 1, the top surface of the cover plate 1 in the present embodiment can set anti-slip part 101, the anti-skid structure such as anti-slip tank, anti-skid bulge.Certainly, the fit system of tension disc 2 and housing 3 can also be carried out using other modes, and for example the fit system identical mode with cover plate 1 and housing 3 coordinates.Because the cooperation of raised and groove is relatively stablized, then external connection module can then not need cover plate 1.The now cooperation of cable bundle and external connection module needs operating personnel to exert oneself after compression, then move tension disc 2 and realize and be fixedly connected with cooperation with housing 3, such a mode compared to tension disc 2 with housing 3 for by the way of clamping is connected, operation is more inconvenient.Pcb board 10 is arranged in module internal cavity, generally, and electronic component is provided with pcb board 10 to realize the function of external connection module.It refer to and be provided with antenna 11 on accompanying drawing 1, pcb board 10, to realize the transmission or reception of signal, now external connection module needs to be connected with optical cable.External connection module can be connected with optical cable, and the optical module 7 being connected with external optical fiber 8 can be provided with by being drawn from optical cable on external optical fiber 8, pcb board 10, and external optical fiber 8 is connected to form light-path with optical module 7.Under normal circumstances, the connected mode of external optical fiber 8 and optical module 7 can select the mode in tail end the grinding banjo fixing butt jointing, then cold joint or butt-fusion welded joint of external optical fiber 8, outside
Connecing optical fiber 8 can also be connected by the auxiliary positioning of light docking adapter 9 with optical module 7.If the external optical fiber that the optical cable is drawn needs to continue to realize that optical fiber is resumed on optical cable, then pcb board 10 can also have the optical branching device being connected with external optical fiber 8, the external optical fiber 8 is divided into branch optical fibers, all the way main road optical fiber all the way by optical branching device, optical module specifically is connected to form light-path with the branch optical fibers that optical branching device is separated, and the realization that connects with the follow-up optical fiber of optical cable of main road optical fiber is resumed.First power taking part and the second power taking part are electrically connected with pcb board 10, and the first power taking part and fire wire cable are positioned opposite, and the second power taking part and ground wire cable are positioned opposite.Tension disc 2 is used for the cable bundle for compressing optical cable and cable formation with so that the first power taking part is contacted to realize electric pathway with the metal inside and the second power taking part of fire wire cable with the metal inside of ground wire cable.When external connection module includes cover plate 1, it is preferred that tension disc 2 is close on the inner surface of the module oriented approach inner chamber of cover plate 1, to realize that cover plate 1 applies more balanced and more efficiently pressure to tension disc 2.Meanwhile, tension disc 2 is more effectively compressed cable bundle by the pressure of cover plate 1, so that the first power taking part contacts with the metal inside of ground wire cable compared with the metal inside and the second power taking part stably with fire wire cable and realizes electric pathway.Pass through the description above, the external optical fiber 8 of optical cable is connected with optical module 7 realizes light-path, the pressure of cover plate 1 causes tension disc 2 to compress cable bundle, and then the first power taking part positioned opposite with fire wire cable and the second power taking part positioned opposite with ground wire cable are in contact with the metal inside of each self-corresponding cable, because the first power taking part and the second power taking part are electrically connected with pcb board 10, and then the first power taking part is contacted with the metal inside and the second power taking part of fire wire cable with the metal inside of ground wire cable realizes electric pathway.It can be seen that, external optical fiber8It is connected with optical module 7, the first power taking part and fire wire cable and the second power taking part contact with the metal inside of ground wire cable and finally realize external connection module and be connected with the photoelectricity of optical cable and cable.In actual application process, in order to ensure that the metal inside of the first power taking part and the second power taking part exactly with the relevant position of cable bundle is contacted, those skilled in the art can be during cable be compressed, the position of change fire wire cable and ground wire cable.Although this mode can reach the purpose of the present invention, but in actual application process, fire wire cable and ground wire cable exist in the way of cable bundle, may so there is a situation where that the first power taking part can not touch the metal inside of fire wire cable, the second power taking part exactly and can not touch the metal inside of ground wire cable exactly.Therefore, cable, optical cable through external connection module is usually the optoelectronic composite cable for integrating optical cable, ground wire cable and fire wire cable.Accompanying drawing 3-5 is refer to, is more highly preferred to, there are the envelope modeling oversheath 41 of optoelectronic composite cable 4 three mutually isolated cables to lay area, respectively optical cable area, live wire area and ground wire area.Accordingly, optical cable 42 is arranged on optical cable area, and fire wire cable 43 is arranged on live wire area, ground
Line cable 44 is arranged on ground wire area.The isolation distribution that cable lays area enables to optical cable 42, fire wire cable 43 and the isolation distribution of ground wire cable 44, and then avoids interfering between three kinds of cables.Moreover, the mode of this isolation distribution can further avoid the first power taking part and the second power taking part can not accurate power taking situation.Corresponding, in order to realize that the optoelectronic composite cable 4 to said structure realizes that the perforation 302 on more stable compression, housing 3 matches with the profile of optoelectronic composite cable 4.Tension disc 2 has the depression 201 being adapted with optoelectronic composite cable 4.It is preferred that, fire wire cable and ground wire cable are symmetrically distributed in the both sides of optical cable in optoelectronic composite cable 4, accordingly, and the first power taking part and the second power taking part are separately positioned on the both sides of housing 3.In the present embodiment, the first power taking part and the second power taking part can under the effect of the pressure in the way of penetrating into power taking to realize that electric pathway, i.e. the first power taking part and the second power taking part are penetrated into corresponding cable to realize the metal inside contact electricity getting with cable.Generally, the first power taking part and the second power taking part are fixed on housing 3 by pallet, and both pass the position of pallet top surface to penetrate into portion, and the portion of penetrating into is used to penetrate fire wire cable or ground wire cable, and then realizes power taking.Using Fig. 2 or illustrated in fig. 4 power takings part as the first power taking part, the first power taking part is fixed on housing 3 by pallet 5, and penetrating into portion 12 is used for power taking, and the head end 6 of the first power taking part is used to electrically connect with pcb board 10.Using the power taking part shown in Fig. 1 as the second power taking part, the second power taking part is fixed on housing 3 by pallet 13, penetrates into portion 14 for power taking, the head end of the second power taking part（Not shown in figure）Electrically connected with pcb board 10.In the structure of above-mentioned first power taking part and the second power taking part, pallet is the support member of the first power taking part or the second power taking part, first power taking part and the second power taking part are electrically connected with pcb board 10, are electrically connected so that penetrating into after portion's power taking with pcb board 10.In first power taking part and the second power taking part, one penetrates into fire wire cable and realizes electric pathway by penetrating into ground wire cable by another one again after pcb board 10 after power taking.Fire wire cable or ground wire cable are penetrated for the ease of the portion of penetrating into, the portion of penetrating into is preferably power taking probe or power taking cutting knife.In order to ensure that the portion of penetrating into penetrates the accuracy of rear power taking, the portion of penetrating into can be multiple, and is arranged in rows along the bearing of trend of fire wire cable or ground wire cable.Refer to accompanying drawing 6 and 7, the first power taking part and the second power taking part can under the effect of the pressure in the way of clamping the metal inside of fire wire cable and ground wire cable power taking to realize electric pathway.Only such a mode needs operating personnel to need in advance in position corresponding with the first power taking part, the second power taking part during operation, the crust of fire wire cable and ground wire cable is peeled off, bare metal inner core.Generally, the first power taking part and the second power taking part are fixed on housing 3 by pallet, and both pass the position of pallet top surface for clamping part 15, and clamping part 15 is used for the metal inside for clamping fire wire cable or ground wire cable, and then realizes power taking.Specifically, clamping part 15 can be holing clip piece.Fig. 6 and external connection module illustrated in fig. 7 and the external connection module shown in Fig. 1 and Fig. 2 differ only in clamping part 15 and penetrate into portion 12.The other structures of external connection module shown in Fig. 6 and Fig. 7 can
With reference to the associated description of elsewhere herein, this is not repeated.Certainly, the first power taking part and the second power taking part can be to be multiple in the embodiment of the present invention, and the position that some of first power taking parts and the second power taking part pass pallet top surface can be to penetrate into portion（Such as probe or power taking cutting knife）, the position that other the first power taking parts and the second power taking part pass pallet top surface can be holing clip piece, that is, penetrate into portion and clamping part is used in mixed way, and such as probe is used in mixed way with clamping intermediate plate.In the actual production process of external connection module, connecting portion is usually rigid metal.There is foozle in the distance between pallet and PCB plates 10 so that the length of connecting portion is more than the distance between pallet and pcb board 10, ultimately result in connecting portion more difficult installed between pallet and pcb board 10.In order to solve this problem, the head end that the first power taking part of offer of the embodiment of the present invention and the second power taking part are connected with pcb board 10 has the spring probe for being used for adjusting connecting length.Spring probe is stretched by the flexible head end for realizing the first power taking part and the second power taking part, and then realizes the adjustment of the first power taking part and the second power taking part connecting length.In such cases, even if in small distance between pallet and pcb board 10, then can be adjusted by spring probe and cause head end to be electrically connected with pcb board 10.Spring probe causes the head end of the first power taking part and the second power taking part to turn into the part with Telescopic, this kind of structure can also reduce the active force that connecting portion applies to pcb board 10 during optoelectronic composite cable 4 is compressed of tension disc 2, and then solution connector applies larger power to pcb board 10 and causes the problem of electronic component on pcb board 10 is easily damaged.In the embodiment of the present invention, pallet can make for metal, plastic material, or pcb board.The embodiment of the present invention is not limited to the specific material of pallet.Pass through the introduction of the present embodiment, during the external connection module that the present embodiment is provided is connected with cable, tension disc is compressed after opening tension disc 2, realize that the first power taking part and the second power taking part contact to realize power taking with the metal inside of fire wire cable and ground wire cable respectively, the problem of solving external equipment and low cable connection efficiency in background technology.The external connection module that the present embodiment is provided can be fixed together with optical cable and cable so that external connection module is directly attached to cable bundle（Cable and the cable bundle of optical cable formation）Outside, be allowed to be relatively fixed with cable, without extra fixing device, reduce space-consuming.External connection module is depended on after cable bundle, operating personnel can finely tune external connection module position to reach more preferable using effect by way of bending or coiling cable bundle, the position of external connection module is can adjust by adjusting cable, local optimum using effect can be facilitated.Meanwhile, external optical fiber can be formed at the optional position of optical cable, and can adjust the extension of external optical fiber according to demand.Site operation personnel can be according to reasonable in design position and the length for determining external optical fiber of job site, and then suitable for various complicated field connection environment.
It can be seen that, the external connection module that the present invention is provided can improve the flexibility that cable bundle is connected with external connection module, finally can solve the problem that the problem of network layout system is poor to job site adaptability.In addition, the optoelectronic composite cable 4 that the present embodiment is provided is set using subregion so that the first power taking part and the second power taking part are corresponding with the cable in corresponding region, it is possible to increase the accuracy of power taking.The embodiments of the present invention described above are not intended to limit the scope of the present invention.Any modifications, equivalent substitutions and improvements made within the spirit and principles in the present invention etc., should be included in the scope of the protection.