CN203788559U - Printed circuit board and network wiring system - Google Patents

Printed circuit board and network wiring system Download PDF

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Publication number
CN203788559U
CN203788559U CN201420153634.6U CN201420153634U CN203788559U CN 203788559 U CN203788559 U CN 203788559U CN 201420153634 U CN201420153634 U CN 201420153634U CN 203788559 U CN203788559 U CN 203788559U
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CN
China
Prior art keywords
pcb
pcb board
auxiliary supports
printed circuit
board
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CN201420153634.6U
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Chinese (zh)
Inventor
邵起明
刘彬
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ULTRAPOWER INTERNATIONAL TECHNOLOGY DEVELOPMENT(BEIJING) Co Ltd
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ULTRAPOWER INTERNATIONAL TECHNOLOGY DEVELOPMENT(BEIJING) Co Ltd
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Priority to CN201420153634.6U priority Critical patent/CN203788559U/en
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Publication of CN203788559U publication Critical patent/CN203788559U/en
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Abstract

The utility model belongs to the communication technology field and discloses a printed circuit board (PCB). The printed circuit board comprises a first PCB, a second PCB and a first connection member used for connecting the first PCB with the second PCB, wherein the first connection member is for support between the first PCB and the second PCB, and a gap is formed between the first PCB and the second PCB to enable two surfaces of the first PCB and two surfaces of the second PCB respectively to be first mounting faces used for mounting electronic components. The printed circuit board solves problems of relatively poor anti-torsion anti-pull performance and low space utilization rate of a PCB in the prior art. The utility model further discloses a network wiring system.

Description

Printed circuit board (PCB) and network layout system
Technical field
The utility model relates to communication technical field, more specifically, relates to a kind of printed circuit board (PCB), and the utility model also relates to a kind of network layout system that adopts above-mentioned printed circuit board (PCB).
Background technology
Pcb board (PrintedCircuitBoard, printed circuit board) is a kind of important electronic unit.It is not only the supporter of electronic devices and components, but also is the supplier of electronic devices and components electrical connection.At present, almost every kind of electronic equipment all can be used pcb board, such as electronic watch, calculator, computer, communication electronic device, military armament systems etc.Design, the documentation of pcb board and create the most important success factor of electronic product.
At present, pcb board gradually by lamina towards multiple-plate future development.In current multi-layer sheet production process, operating personnel make after each sandwich circuit, by optical device locate, pressing, allow multilayer line be superimposed upon in a slice wiring board.Current pcb board twisting resistance poor-performing, in the time running into torsion, the electronic devices and components on pcb board easily come off, and in the time running into pulling force, easily produce Pad off phenomenon.And current pcb board space availability ratio is lower.
Utility model content
The utility model provides a kind of printed circuit board (PCB), to solve the poor and low problem of space availability ratio of current multi-layer PCB torsional property.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
Printed circuit board (PCB), comprise the first pcb board, the second pcb board and be connected the first connector of described the first pcb board and the second pcb board, described the first connector is supported between described the first pcb board and the second pcb board, forms gap to make two surfaces of described the first pcb board and two surfaces of the second pcb board be the first installed surface for electronic devices and components are installed between described the first pcb board and the second pcb board.
Preferably, in above-mentioned printed circuit board (PCB), described printed circuit board (PCB) also comprises the 3rd pcb board between described the first pcb board and the second pcb board, described the 3rd pcb board is connected by the second connector with described the first pcb board and/or the second pcb board, and two surfaces of described the 3rd pcb board are the second installed surface for electronic devices and components are installed.
Preferably, in above-mentioned printed circuit board (PCB), described printed circuit board (PCB) also comprises auxiliary supports, and described auxiliary supports comprises the first auxiliary supports and the second auxiliary supports, and both are separately positioned on the two ends of described printed circuit board (PCB), and be supported between described the first pcb board and the second pcb board.
Preferably, in above-mentioned printed circuit board (PCB), support place of described the first auxiliary supports and the second auxiliary supports is provided with projection, the position that described the first pcb board is corresponding with described the first auxiliary supports and the second auxiliary supports, and described the second pcb board position corresponding with described the first auxiliary supports and the second auxiliary supports all has the hole clipping or the draw-in groove that coordinate with described protruding clamping, described the first auxiliary supports by the hole clipping on described projection and the first pcb board and the second pcb board or draw-in groove respectively with described the first pcb board and the second pcb board clamping, described the second auxiliary supports by the hole clipping on described projection and described the first pcb board and the second pcb board respectively with described the first pcb board and the second pcb board clamping.
Preferably, in above-mentioned printed circuit board (PCB), described the first auxiliary supports and the second auxiliary supports are metal sheet; Wherein:
The wedging position welding of described the first auxiliary supports and described the first pcb board and the second pcb board, the wedging position welding of described the second auxiliary supports and described the first pcb board and the second pcb board.
Preferably, in above-mentioned printed circuit board (PCB), described printed circuit board (PCB) also comprises the first metallic heat radiating plate of the lateral surface that depends on described the first pcb board, and described projection passes described hole clipping or draw-in groove, and described the first metallic heat radiating plate and described projection pass the position clamping of described hole clipping or draw-in groove; And/or
Described printed circuit board (PCB) also comprises the second metallic heat radiating plate of the lateral surface that depends on described the second pcb board, and described projection passes described hole clipping or draw-in groove, and described the second metallic heat radiating plate and described projection pass the position clamping of described hole clipping or draw-in groove.
Preferably, in above-mentioned printed circuit board (PCB), described the first auxiliary supports described protruding quantity that position relative to the second pcb board described the first pcb board arranges is not respectively etc.; Described the second auxiliary supports described protruding quantity that position relative to the second pcb board described the first pcb board arranges is not respectively etc.
Preferably, in above-mentioned printed circuit board (PCB), described the first connector and the second connector are contact pin type electrical connector, make described the first pcb board, the second pcb board and the electrical connection of the 3rd pcb board.
Network layout system, comprises the first optical fiber, the first electric wire, the second optical fiber, the second electric wire, printed circuit board (PCB) and optical branching device, wherein:
Described printed circuit board (PCB) is the printed circuit board (PCB) described in above-mentioned any one, on described the 3rd pcb board, is provided with external optical fiber, and described the first auxiliary supports and the second auxiliary supports are provided with cable perforation;
Described optical branching device is arranged on the outside of described the first auxiliary supports, described the second optical fiber stretches into described external optical fiber and jointly bores a hole through the cable of described the first auxiliary supports from the cable perforation of described the second auxiliary supports, and be all connected with the output of described optical branching device, described the first optical fiber is connected with the input of described optical branching device; Or,
Described optical branching device is arranged on described printed circuit intralamellar part, described the first optical fiber is stretched into described printed circuit board (PCB) and is connected with the input of described optical branching device by the cable perforation of described the first auxiliary supports, and described the second optical fiber is stretched into described printed circuit board (PCB) and is connected with the output of described optical branching device respectively with described external optical fiber by the cable perforation of described the second auxiliary supports;
The live wire of described the second electric wire docks with the live wire of described the first electric wire, and the live wire of the first electric wire or the second electric wire live wire have for described the first pcb board, the second pcb board or the 3rd pcb board on the external cord of reserved solder joint welding, think that three powers.
Preferably, above-mentioned network layout system, described the first auxiliary supports is U-shaped bending plate, and described the second auxiliary supports is dull and stereotyped, on described the first auxiliary supports and the second auxiliary supports, is provided with the bending part for supporting cable with the described cable corresponding position of boring a hole;
In the ground wire of the ground wire of described the first electric wire and the second electric wire, one is connected with described the first auxiliary supports, and another one is connected with described the second auxiliary supports.
Than background technology, in the printed circuit board (PCB) that the utility model provides, it is stereoeffect that the first pcb board makes whole printed circuit board (PCB) after being connected by the first connector with the second pcb board.Stereoeffect can make two sides of the first pcb board and the second pcb board be the first installed surface for electronic devices and components are installed.This can increase the installed surface of electronic devices and components, increases the erection space of electronic devices and components, finally improves the space availability ratio of printed circuit board (PCB).
Simultaneously, the printed circuit board (PCB) that the utility model provides is stereoeffect, stereoeffect has good mechanical property, can strengthen the antitorque tensile property of whole printed circuit board (PCB), and then can prevent preferably that pcb board is because pad or the caducous situation of electronic devices and components that pulling or distortion cause occur.
Further, the printed circuit board (PCB) that the utility model provides can also comprise the 3rd pcb board, and it is more for the installed surface of electronic devices and components is installed that the 3rd pcb board can provide, and further improves the space availability ratio of whole printed circuit board (PCB).Simultaneously the 3rd pcb board can further improve the intensity of the stereoeffect that printed circuit board (PCB) has, and can further strengthen the antitorque tensile property of whole printed circuit board (PCB).The printed circuit board (PCB) of this kind of structure is in the time running into torsion, and the more difficult drop-off of electronic devices and components on the first pcb board, the second pcb board and the 3rd pcb board, while running into pulling force, more has difficult labour and give birth to Pad off phenomenon.
Further, the printed circuit board (PCB) that the utility model provides can also comprise auxiliary supports, auxiliary supports can play the effect of supplemental support, and then improves the intensity of the stereoeffect that whole printed circuit board (PCB) has, and further improves the antitorque resistance to tension of whole printed circuit board (PCB).
Further, auxiliary supports is metal sheet, and with the position welding of the pcb board clamping of printed circuit board (PCB).This can further improve support strength and the stability of strutting system of auxiliary supports, can improve the heat-sinking capability of whole printed circuit board (PCB) simultaneously.
Further, the first metallic heat radiating plate and the second metallic heat radiating plate can further improve the heat-sinking capability of whole printed circuit board (PCB).
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the printed circuit board (PCB) that provides of the utility model embodiment mono-;
Fig. 2 is the structural representation of the first pcb board in Fig. 1;
Fig. 3 is the structural representation of the second pcb board in Fig. 1;
Fig. 4 is the structural representation of the first metallic heat radiating plate in Fig. 1;
Fig. 5 is the structural representation of the printed circuit board (PCB) that provides of the utility model embodiment bis-;
Fig. 6 is the wiring construction schematic diagram of the network layout system that provides of the utility model embodiment tri-;
Fig. 7 is the structural representation of the first auxiliary supports in Fig. 6;
Fig. 8 is the structural representation of the second auxiliary supports in Fig. 6.
Embodiment
The utility model embodiment provides a kind of printed circuit board (PCB), has solved the poor and low problem of space availability ratio of the antitorque tensile property of the pcb board described in background technology.
In order to make those skilled in the art person understand better the technical scheme in the utility model embodiment, and the above-mentioned purpose of the utility model embodiment, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the technical scheme in the utility model embodiment is described in further detail.
Embodiment mono-
Please refer to accompanying drawing 1-4, Fig. 1 shows the structure of the printed circuit board (PCB) that the utility model embodiment mono-provides.
Printed circuit board (PCB) shown in Fig. 1 comprises the first pcb board 11, the second pcb board 12 and the first connector.The first connector is used for connecting the first pcb board 11 and the second pcb board 12.The first connector is supported between the first pcb board 11 and the second pcb board 12, makes to form gap between the first pcb board 11 and the second pcb board 12.Described gap is for making the surface of the first pcb board 11 and the second pcb board 12 both sides be the first installed surface for electronic devices and components are installed.The first pcb board 11 and the second pcb board 12 two surfaces (i.e. inside and outside two surfaces of the first pcb board 11) are relatively or contrarily all for installing electronic devices and components.As a same reason, the second pcb board 12 and the first pcb board 11 two surfaces (i.e. inside and outside two surfaces of the second pcb board 12) are relatively or contrarily all for installing electronic devices and components.Visible, above-mentioned printed circuit board (PCB), than the pcb board described in background technology, has increased the installed surface for electronic devices and components are installed, and then can improve the space availability ratio of printed circuit board (PCB).
The first pcb board 11 and the second pcb board 12 can be integrated into the have various functions pcb board of (for example signal receiving function, signal sending function) as required.The first pcb board 11 and the second pcb board 12 are arranged side by side (as shown in Figure 1) conventionally.In the application, the gap forming between the first pcb board 11 and the second pcb board 12 is as the criterion to ensure the electronic devices and components that two the first installed surfaces that the first pcb board 11 is relative with the second pcb board 12 can be installed corresponding function, and the application is not restricted the concrete width in gap.Those skilled in the art can suitably adjust gap width according to the function that in practical application scene, printed circuit board (PCB) has.
In the present embodiment one, the major function of the first connector is to connect the first pcb board 11 and the second pcb board 12, and can make to produce gap between the two.Visible, the first connector is connected the first pcb board 11 that to make whole printed circuit board (PCB) be stereochemical structure with the second pcb board 12.Stereochemical structure has good mechanical property, can strengthen the antitorque tensile property of whole printed circuit board (PCB).The printed circuit board (PCB) that the present embodiment one provides in the time running into torsion, the electronic devices and components difficult drop-off on the first pcb board 11 and the second pcb board 12; While running into pulling force, the raw Pad off phenomenon of difficult labour.
In the present embodiment one, the first connector can be for being under the jurisdiction of the parts on the first pcb board 11, can be for being under the jurisdiction of the parts on the second pcb board 12, the parts that also can be under the jurisdiction of respectively for part the first pcb board 11 and the second pcb board 12, can certainly be for being totally independent of the parts of the first pcb board 11 and the second pcb board 12.
Please refer again to Fig. 1-Fig. 3, the first connector in the present embodiment one can be contact pin type connector 13, and described contact pin type connector 13 comprises and is arranged on the first connecting portion 131 on the second pcb board 12 and is arranged on the second connecting portion 132 on the first pcb board 11.On the first connecting portion 131, be provided with on inserting column 1311, the second connecting portions 132 and be provided with the jack 1321 coordinating with inserting column 1311.Certainly, the first connecting portion 131 also can be arranged on the first pcb board 11, corresponding, and the second connecting portion 132 is arranged on the second pcb board 12.More preferred, the first connector can be contact pin type electrical connector, and inserting column and jack all have electrical connection metal structure.When contact pin type electrical connector is realized the first pcb board 11 and the second pcb board 12 physical connection, can also realize both electrical connections, and then can solve between pcb board by external cord and be electrically connected the complicated and low problem of reliability of electrical connection of the wiring causing.Certainly, the first connector can also adopt the connector of other structure or kind, is not limited to contact pin type structure.
In actual application process, the enabling capabilities that the first connector provides is limited.This will certainly affect the space structure intensity of whole printed circuit board (PCB).For this reason, the printed circuit board (PCB) that the present embodiment one provides can also comprise auxiliary supports, and described auxiliary supports is arranged between the first pcb board 11 and the second pcb board 12, plays the effect of supplemental support.Preferably, auxiliary supports can comprise that the first auxiliary supports 14 and the second auxiliary supports 15(are as shown in Figure 1).The first auxiliary supports 14 and the second auxiliary supports 15 can be separately positioned on the two ends of printed circuit board (PCB), and are supported between the first pcb board 11 and the second pcb board 12.The first auxiliary supports 14 and the second auxiliary supports 15 are distributed in the two ends of whole printed circuit board (PCB), can play good supporting role.More preferred, the first auxiliary supports 14 all can be connected with the second pcb board 12 clampings with the first pcb board 11 with the second auxiliary supports 15.Please refer again to accompanying drawing 1-Fig. 3, a kind of concrete snap fit is: support place that support place of the first auxiliary supports 14 is provided with projection 141, the second auxiliary supports 15 is provided with projection 151.The position that the first pcb board 11 is relative with projection on the first auxiliary supports 14 and the second auxiliary supports 15 is provided with hole clipping 111 or draw-in groove, and the position that the second pcb board 12 is relative with the projection of the first auxiliary supports 14 and the second auxiliary supports 15 is provided with hole clipping 121 or draw-in groove.In the process coordinating, projection coordinates with hole clipping or draw-in groove clamping.Snap fit can improve the packaging efficiency of whole printed circuit board (PCB).In the process of projection and hole clipping or draw-in groove assembling, for fear of wrongly installed and then play good fool proof effect, the first auxiliary supports 14 protruding quantity that position relative to the second pcb board 12 the first pcb board 11 arranges respectively can not wait, and the second auxiliary supports 15 protruding quantity that position relative to the second pcb board 12 the first pcb board 11 arranges respectively also can not wait.Certainly, the first pcb board 11 can not wait with hole clipping or the draw-in groove quantity of the first auxiliary supports 14 and the second auxiliary supports 15 matching parts respectively, and the second pcb board 12 also can not wait with hole clipping or the draw-in groove quantity of the first auxiliary supports 14 and the second auxiliary supports 15 matching parts respectively.Certainly, in the present embodiment one, not only can reach fool proof object by the quantity that changes projection and hole clipping or draw-in groove, can also adopt other mode to realize identical object.For example change the shape of the first auxiliary supports 14 and the second auxiliary supports 15.Concrete a kind of mode is: the first auxiliary supports 14 is plate armature, and the second auxiliary supports 15 is bended plate type structure, for example U-shaped bending plate.
The first auxiliary supports 14 and the second auxiliary supports 15 can be all metalwork, the first auxiliary supports 14 and the first pcb board 11 and the second pcb board 12 wedging positions are weldingly connected, the second auxiliary supports 15 and the first pcb board 11 and the second pcb board 12 wedging position welding.The first auxiliary supports 14 and the second auxiliary supports 15 are all weldingly connected on the basis of clamping again with the first pcb board 11 and the second pcb board 12.This can improve bonding strength, further ensures the spatial-intensity of whole printed circuit board (PCB).In addition, the first auxiliary supports 14 and the second auxiliary supports 15 are the metal that heat conductivility is good (for example copper), and weld the heat that the electronic devices and components that can shed in time on the first pcb board 11 and the second pcb board 12 produce with the first pcb board 11 and the second pcb board 12.More preferred, the first auxiliary supports 14 and the second auxiliary supports 15 are metal sheet.The area of dissipation of metal sheet is larger, can further improve the heat-sinking capability of whole printed circuit board (PCB).
In order further to improve the heat dispersion of whole printed circuit board (PCB), the printed circuit board (PCB) that the utility model embodiment mono-provides can also comprise and depends on the first metallic heat radiating plate on the first pcb board 11 lateral surfaces and/or depend on the second metallic heat radiating plate on the second pcb board 12 lateral surfaces.Lateral surface herein refers to two sides that the first pcb board 11 deviates from mutually with the second pcb board 12.Please refer to accompanying drawing 1 or 4, the printed circuit board (PCB) that the utility model embodiment mono-provides comprises the first metallic heat radiating plate 16 that is arranged on the first pcb board 11 lateral surfaces.Projection on the first auxiliary supports 14 and the second auxiliary supports 15 passes corresponding hole clipping or draw-in groove, and the first metallic heat radiating plate 16 can pass with the projection on the first auxiliary supports 14 and the second auxiliary supports 15 the position clamping of corresponding hole clipping or draw-in groove.For this reason, on the first metallic heat radiating plate 16, be provided with draw-in groove 161 or hole clipping.Certainly, the second metallic heat radiating plate also can have same structure and the matching relationship identical with the second auxiliary supports 15 with the first auxiliary supports 14.
In summary, than background technology pcb board, in the printed circuit board (PCB) that the present embodiment one provides, it is stereoeffect that the first pcb board 11 makes whole printed circuit board (PCB) after being connected by the first connector with the second pcb board 12.Stereoeffect can make two sides of the first pcb board 11 and the second pcb board 12 be the first installed surface for electronic devices and components are installed.This can increase the installed surface of electronic devices and components, increases the erection space of electronic devices and components, finally improves the space availability ratio of printed circuit board (PCB).
Simultaneously, the printed circuit board (PCB) that the present embodiment one provides is stereoeffect, stereoeffect has good mechanical property, can strengthen the antitorque tensile property of whole printed circuit board (PCB), and then can prevent preferably that pcb board is because pad or the caducous situation of electronic devices and components that pulling or distortion cause occur.
Further, the printed circuit board (PCB) that the present embodiment one provides can also comprise auxiliary supports, auxiliary supports can play the effect of supplemental support, and then improves the intensity of the stereoeffect that whole printed circuit board (PCB) has, and further improves the antitorque resistance to tension of whole printed circuit board (PCB).
Further, auxiliary supports is metal sheet, and with the position welding of pcb board (the first pcb board 11 and the second pcb board 12) clamping of printed circuit board (PCB).This can further improve support strength and the stability of strutting system of auxiliary supports, can improve the heat-sinking capability of whole printed circuit board (PCB) simultaneously.
Further, the first metallic heat radiating plate and the second metallic heat radiating plate can further improve the heat-sinking capability of whole printed circuit board (PCB).
Embodiment bis-
Please refer to accompanying drawing 5, Fig. 5 shows the structure of the printed circuit board (PCB) that the utility model embodiment bis-provides.
Printed circuit board (PCB) shown in Fig. 5 comprises the first pcb board 21, the second pcb board 22, the 3rd pcb board 27, the first connector and the second connector.The 3rd pcb board 27 is between the first pcb board 21 and the second pcb board 22, and two surfaces of the 3rd pcb board 27 are the second installed surface for electronic devices and components are installed.The first connector is used for connecting the first pcb board 21 and the second pcb board 22.The first connector is supported between the first pcb board 21 and the second pcb board 22, makes to form gap between the first pcb board 21 and the second pcb board 22.Described gap is for making the first pcb board 21 and 22 two surfaces of the second pcb board be the first installed surface for electronic devices and components are installed.The first pcb board 21 and the second pcb board 22 two surfaces (i.e. inside and outside two surfaces of the first pcb board 21) are relatively or contrarily all for installing electronic devices and components.As a same reason, the second pcb board 22 and the first pcb board 21 two surfaces (i.e. inside and outside two surfaces of the second pcb board 22) are relatively or contrarily all for installing electronic devices and components.The second connector is used for connecting the 3rd pcb board 27 and the first pcb board 21 and/or the second pcb board 22.That is to say, the 3rd pcb board 27 can be connected with the one in the second pcb board 22 with the first pcb board 21 separately, also can be connected with the second pcb board 22 with the first pcb board 21 simultaneously.As a same reason, between the 3rd pcb board 27 and the first pcb board 21 and the second pcb board 22, all form gap, all become the installed surface for electronic devices and components are installed with two surfaces that make the first pcb board 21, the second pcb board 22 and the 3rd pcb board 27.Visible, above-mentioned printed circuit board (PCB), than pcb board described in background technology, has increased the installed surface for electronic devices and components are installed, and then can improve the space availability ratio of printed circuit board (PCB).
The first pcb board 21, the second pcb board 22 and the 3rd pcb board 27 can be integrated into the have various functions pcb board of (for example signal receiving function, signal sending function) as required.The first pcb board 21, the second pcb board 22 and the 3rd pcb board 27 are arranged side by side (as shown in Figure 5) conventionally.The gap forming between the first pcb board 21 and the 3rd pcb board 27 and the second pcb board 22 and the 3rd pcb board 27 in the application can be installed the electronic devices and components of corresponding function and be as the criterion to be ensured each installed surface of three, and the application is not restricted the concrete width in gap.Those skilled in the art can suitably adjust gap width according to the function that in practical application scene, printed circuit board (PCB) has.
In the present embodiment two, the major function of the first connector is to connect the first pcb board 21 and the second pcb board 22, and can make to produce gap between the two.The major function of the second connector is that the 3rd pcb board 27 is connected in to the first pcb board 21 and/or the second pcb board 22, and makes all to form gap between the 3rd pcb board 27 and the first pcb board 21 and the second pcb board 27.Visible, the first connector, the second connector are connected the first pcb board 21, the second pcb board 22 that to make whole printed circuit board (PCB) be stereochemical structure with the 3rd pcb board 27.Stereochemical structure has good mechanical property, can strengthen the antitorque tensile property of whole printed circuit board (PCB).The printed circuit board (PCB) that the present embodiment two provides in the time running into torsion, the electronic devices and components difficult drop-off on the first pcb board 21, the second pcb board 22 and the 3rd pcb board 27; While running into pulling force, the raw Pad off phenomenon of difficult labour.
In the present embodiment two, the first connector can be for being under the jurisdiction of the parts on the first pcb board 21, can be for being under the jurisdiction of the parts on the second pcb board 22, the parts that also can be under the jurisdiction of respectively for part the first pcb board 21 and the second pcb board 22, can certainly be for being totally independent of the parts of the first pcb board 21 and the second pcb board 22.
Please refer again to Fig. 5, the first connector in the present embodiment two can be contact pin type connector 23, described contact pin type connector 23 comprises and is arranged on the first connecting portion 231 on the second pcb board 22 and is arranged on the second connecting portion 232 on the first pcb board 21, on the first connecting portion 231, be provided with on inserting column 2311, the second connecting portions 232 and be provided with the jack coordinating with inserting column 2311.Certainly, the first connecting portion 231 also can be arranged on the first pcb board 21, corresponding, and the second connecting portion 232 is arranged on the second pcb board 22.More preferred, the first connector can be contact pin type electrical connector, and inserting column and jack all have electrical connection metal structure.When contact pin type electrical connector is realized the first pcb board 21 and the second pcb board 22 physical connection, can also realize both electrical connections, and then can solve between pcb board by external cord and be electrically connected the complicated and low problem of reliability of electrical connection of the wiring causing.Certainly, the first connector can also adopt the connector of other structure or kind, is not limited to contact pin type structure.In the present embodiment, the second connector can adopt the structure identical with the first connector, specifically please refer to the above-mentioned description for the first connector, and this does not repeat.
In actual application process, the first connector is supported between the first pcb board 21 and the second pcb board 22, is the parts that main support is provided for whole printed circuit board (PCB), and its enabling capabilities is limited.This will certainly affect the space structure intensity of whole printed circuit board (PCB).For this reason, the printed circuit board (PCB) that the present embodiment two provides can also comprise auxiliary supports, and described auxiliary supports is arranged between the first pcb board 21 and the second pcb board 22, plays the effect of supplemental support.Preferably, auxiliary supports can comprise that the first auxiliary supports 24 and the second auxiliary supports 25(are as shown in Figure 5).The first auxiliary supports 24 and the second auxiliary supports 25 can be separately positioned on the two ends of printed circuit board (PCB), and are supported between the first pcb board 21 and the second pcb board 22.The first auxiliary supports 24 and the second auxiliary supports 25 are distributed in the two ends of whole printed circuit board (PCB), can play good supporting role.More preferred, the first auxiliary supports 24 all can be connected with the second pcb board 22 clampings with the first pcb board 21 with the second auxiliary supports 25.Please refer again to accompanying drawing 5, a kind of concrete snap fit is: support place that support place of the first auxiliary supports 24 is provided with projection 241, the second auxiliary supports 25 is provided with projection 251.The position that the first pcb board 21 is relative with projection on the first auxiliary supports 24 and the second auxiliary supports 25 is provided with hole clipping or draw-in groove, and the position that the second pcb board 22 is relative with the projection of the first auxiliary supports 24 and the second auxiliary supports 25 is provided with hole clipping or draw-in groove.In the process coordinating, projection coordinates with hole clipping or draw-in groove clamping.Snap fit can improve the packaging efficiency of whole printed circuit board (PCB).In the process of projection and hole clipping or draw-in groove assembling, for fear of wrongly installed and then play good fool proof effect, the first auxiliary supports 24 protruding quantity that position relative to the second pcb board 22 the first pcb board 21 arranges respectively can not wait, and the second auxiliary supports 25 protruding quantity that position relative to the second pcb board 22 the first pcb board 21 arranges respectively also can not wait.Certainly, the first pcb board 21 can not wait with hole clipping or the draw-in groove quantity of the first auxiliary supports 24 and the second auxiliary supports 25 matching parts respectively, and the second pcb board 22 also can not wait with hole clipping or the draw-in groove quantity of the first auxiliary supports 24 and the second auxiliary supports 25 matching parts respectively.Certainly, in the present embodiment two, not only can reach fool proof object by the quantity that changes projection and hole clipping or draw-in groove, can also adopt other mode to realize identical object.For example change the shape of the first auxiliary supports 24 and the second auxiliary supports 25.Concrete a kind of mode is: the first auxiliary supports 24 is plate armature, and the second auxiliary supports 25 is bended plate type structure, for example U-shaped bending plate.
The first auxiliary supports 24 and the second auxiliary supports 25 can be all metalwork, the first auxiliary supports 24 and the first pcb board 21 and the second pcb board 22 wedging positions are weldingly connected, the second auxiliary supports 25 and the first pcb board 21 and the second pcb board 22 wedging position welding.The first auxiliary supports 24 and the second auxiliary supports 25 are all weldingly connected on the basis of clamping again with the first pcb board 21 and the second pcb board 22.This can improve bonding strength, further ensures the spatial-intensity of whole printed circuit board (PCB).In addition, the first auxiliary supports 24 and the second auxiliary supports 25 are the metal that heat conductivility is good (for example copper), and weld the heat that the electronic devices and components that can shed in time on the first pcb board 21 and the second pcb board 22 produce with the first pcb board 21 and the second pcb board 22.More preferred, the first auxiliary supports 24 and the second auxiliary supports 25 are metal sheet.The area of dissipation of metal sheet is larger, can further improve the heat-sinking capability of whole printed circuit board (PCB).
In order further to improve the heat dispersion of whole printed circuit board (PCB), the printed circuit board (PCB) that the utility model embodiment bis-provides can also comprise and depends on the first metallic heat radiating plate on the first pcb board 21 lateral surfaces and/or depend on the second metallic heat radiating plate on the second pcb board 22 lateral surfaces.Lateral surface herein refers to two sides that the first pcb board 21 deviates from mutually with the second pcb board 22.Please refer to Fig. 5, the printed circuit board (PCB) that the utility model embodiment bis-provides comprises the first metallic heat radiating plate 26 that is arranged on the first pcb board 21 lateral surfaces.Projection on the first auxiliary supports 24 and the second auxiliary supports 25 passes corresponding hole clipping or draw-in groove, and the first metallic heat radiating plate 26 can pass with the projection on the first auxiliary supports 24 and the second auxiliary supports 25 the position clamping of corresponding hole clipping or draw-in groove.For this reason, on the first metallic heat radiating plate 26, be provided with draw-in groove 261 or hole clipping.Certainly, the second metallic heat radiating plate also can have same structure and the matching relationship identical with the second auxiliary supports 25 with the first auxiliary supports 24.
It should be noted that, at least can comprise an external optical fiber 272 in the printed circuit board (PCB) that the present embodiment two provides, external optical fiber 272 can be arranged on any pcb board, for being connected with external optical signal source.Please refer to accompanying drawing 5, external optical fiber 272 can be connected with the 3rd pcb board 27 by connector 271.What connector 271 was concrete can be optical fiber adpting flange.Certainly,, in order further to increase the function of printed circuit board (PCB), the printed circuit board (PCB) that the present embodiment two provides can also comprise the optical branching device 28 being connected with external optical fiber 272, realizes printed circuit board (PCB) in the external required shunt function of optical cable.
In summary, than the pcb board described in background technology, in the printed circuit board (PCB) that the present embodiment two provides, it is stereoeffect that the first pcb board 21 makes whole printed circuit board (PCB) after being connected by the first connector with the second pcb board 22.Stereoeffect can make two sides of the first pcb board 21 and the second pcb board 22 be the first installed surface for electronic devices and components are installed.This can increase the installed surface of electronic devices and components, increases the erection space of electronic devices and components, finally improves the space availability ratio of printed circuit board (PCB).
Simultaneously, the printed circuit board (PCB) that the present embodiment two provides is stereoeffect, stereoeffect has good mechanical property, can strengthen the antitorque tensile property of whole printed circuit board (PCB), and then can prevent preferably that pcb board is because pad or the caducous situation of electronic devices and components that pulling or distortion cause occur.
Further, the printed circuit board (PCB) that the present embodiment two provides can also comprise that the 3rd pcb board 27, the three pcb boards 27 can further improve the intensity of the stereoeffect that whole printed circuit board (PCB) has, and further improve the antitorque tensile property of printed circuit board (PCB).It should be noted that, the quantity of the 3rd pcb board 27 in the present embodiment two is not limit, it can be one deck, also can be multilayer, in the time that the quantity of the 3rd pcb board 27 is multilayer, those skilled in the art can carry out accommodation to the layout distance of all pcb boards including the first pcb board 21 and the second pcb board 22 according to practical application scene, to ensure that the first installed surface and the second installed surface can exercise its function.
Further, the printed circuit board (PCB) that the present embodiment two provides can also comprise auxiliary supports, auxiliary supports can play the effect of supplemental support, and then improves the intensity of the stereoeffect that whole printed circuit board (PCB) has, and further improves the antitorque resistance to tension of whole printed circuit board (PCB).
Further, auxiliary supports is metal sheet, and with the position welding of pcb board (the first pcb board 21 and the second pcb board 22) clamping of printed circuit board (PCB).This can further improve support strength and the stability of strutting system of auxiliary supports, can improve the heat-sinking capability of whole printed circuit board (PCB) simultaneously.
Further, the first metallic heat radiating plate and the second metallic heat radiating plate can further improve the heat-sinking capability of whole printed circuit board (PCB).
Embodiment tri-
Please refer to accompanying drawing 6, Fig. 6 shows the wiring construction of the network layout system that the utility model embodiment tri-provides.
Network layout system shown in Fig. 6 comprises the first optical fiber, the first electric wire, the second optical fiber, the second electric wire, printed circuit board (PCB) and optical branching device 38.
Wherein: printed circuit board (PCB) is connected (comprising that electrical connection and light signal connect) for the first optical fiber is realized with the second electric wire with the second optical fiber, the first electric wire, and printed circuit board (PCB) comprises the first pcb board 31, the second pcb board 32 and the first connector.The first connector is used for connecting the first pcb board 31 and the second pcb board 32.The first connector is supported between the first pcb board 31 and the second pcb board 32, makes to form gap between the first pcb board 31 and the second pcb board 32.Described gap is for making the first pcb board 31 and the second pcb board 32 two surfaces (i.e. inside and outside two surfaces of the first pcb board 31) relatively or contrarily all for electronic devices and components are installed.As a same reason, the second pcb board 32 and the first pcb board 31 two surfaces (i.e. inside and outside two surfaces of the second pcb board 32) are relatively or contrarily all for installing electronic devices and components.Printed circuit board (PCB) in the present embodiment three, than the pcb board described in background technology, has increased the installed surface for electronic devices and components are installed, and then can improve the space availability ratio of printed circuit board (PCB).
Please refer again to accompanying drawing 6, the printed circuit board (PCB) in the present embodiment three can also comprise the 3rd pcb board 37 and the second connector.The 3rd pcb board 37 is between the first pcb board 31 and the second pcb board 32, and two surfaces of the 3rd pcb board 37 are the second installed surface for electronic devices and components are installed.The second connector is used for connecting the 3rd pcb board 37 and the first pcb board 31 and/or the second pcb board 32.That is to say, the 3rd pcb board 37 can be connected with the one in the second pcb board 32 with the first pcb board 31 separately, also can be connected with the second pcb board 32 with the first pcb board 31 simultaneously.As a same reason, the 3rd pcb board 37 and the first pcb board 31 and the second pcb board 32 also all form gap, to make two surfaces of the first pcb board 31, the second pcb board 32 and the 3rd pcb board 37 all for the installed surface of electronic devices and components is installed.Visible, the setting of the 3rd pcb board can further increase the installed surface that electronic devices and components are installed, and then can improve the space availability ratio of printed circuit board (PCB).
In the present embodiment three, the first pcb board 31, the second pcb board 32 and the 3rd pcb board 37 can be integrated into the have various functions pcb board of (for example signal receiving function, signal sending function) as required.The first pcb board 31, the second pcb board 32 and the 3rd pcb board 37 are arranged side by side (as shown in Figure 8) conventionally.The gap forming between the first pcb board 31 and the 3rd pcb board 37 and the second pcb board 32 and the 3rd pcb board 37 in the application can be installed the electronic devices and components of corresponding function and be as the criterion to be ensured each installed surface of three, and the application is not restricted the concrete width in gap.Those skilled in the art can suitably adjust gap width according to the function that in practical application scene, printed circuit board (PCB) has.
In the present embodiment three, the major function of the first connector is to connect the first pcb board 31 and the second pcb board 32, and can make to produce gap between the two.Visible, the first connector is connected the first pcb board 31 that to make whole printed circuit board (PCB) be stereochemical structure with the second pcb board 32.Stereochemical structure has good mechanical property, can strengthen the antitorque tensile property of whole printed circuit board (PCB).The printed circuit board (PCB) that the present embodiment three provides in the time running into torsion, the electronic devices and components difficult drop-off on the first pcb board 31 and the second pcb board 32; While running into pulling force, the raw Pad off phenomenon of difficult labour.
Equally, the major function of the second connector is that the 3rd pcb board 37 is connected in to the first pcb board 31 and/or the second pcb board 32, and with all form gap between the two.In this case, the first connector, the second connector are connected the first pcb board 31, the second pcb board 32 that to make whole printed circuit board (PCB) be also stereochemical structure with the 3rd pcb board 37.Stereochemical structure has better mechanical property, can further strengthen the antitorque tensile property of whole printed circuit board (PCB).The printed circuit board (PCB) that the present embodiment three provides is in the time running into torsion, and the more difficult drop-off of electronic devices and components on the first pcb board 31, the second pcb board 32 and the 3rd pcb board 37, while running into pulling force, more has difficult labour and give birth to Pad off phenomenon.
In the present embodiment three, the first connector can be for being under the jurisdiction of the parts on the first pcb board 31, can be for being under the jurisdiction of the parts on the second pcb board 32, the parts that also can be under the jurisdiction of respectively for part the first pcb board 31 and the second pcb board 32, can certainly be for being totally independent of the parts of the first pcb board 31 and the second pcb board 32.As a same reason, the second connector also can be under the jurisdiction of one of two pcb boards by its connection; Or the part of the second connector is under the jurisdiction of respectively by two pcb boards of its connection; Again or, the second connector is totally independent of by two pcb boards of its connection,
Please refer again to Fig. 6, in the present embodiment three, the first connector can be contact pin type connector 33, described contact pin type connector 33 comprises and is arranged on the first connecting portion 331 on the second pcb board 32 and is arranged on the second connecting portion 332 on the first pcb board 31, on the first connecting portion 331, be provided with on inserting column 3311, the second connecting portions 332 and be provided with the jack coordinating with inserting column 3311.Certainly, the first connecting portion 331 also can be arranged on the first pcb board 31, corresponding, and the second connecting portion 332 is arranged on the second pcb board 32.More preferred, the first connector can be contact pin type electrical connector, and inserting column and jack all have electrical connection metal structure.When contact pin type electrical connector is realized the first pcb board 31 and the second pcb board 32 physical connection, can also realize both electrical connections, and then can solve between pcb board by external cord and be electrically connected the complicated and low problem of reliability of electrical connection of the wiring causing.Certainly, the first connector can also adopt the connector of other structure or kind, is not limited to contact pin type structure.In the present embodiment, the second connector can adopt the structure identical with the first connector, specifically please refer to the above-mentioned description for the first connector, and this does not repeat.
In actual application process, the first connector is supported between the first pcb board 31 and the second pcb board 32, is the parts that main support is provided for whole printed circuit board (PCB), and its enabling capabilities is limited.This will certainly affect the space structure intensity of whole printed circuit board (PCB).For this reason, the printed circuit board (PCB) that the present embodiment three provides can also comprise auxiliary supports, and described auxiliary supports is arranged between the first pcb board 31 and the second pcb board 32, plays the effect of supplemental support.Preferably, auxiliary supports can comprise that the first auxiliary supports 34 and the second auxiliary supports 35(are as shown in accompanying drawing 7 and 8).The first auxiliary supports 34 and the second auxiliary supports 35 can be separately positioned on the two ends of printed circuit board (PCB), and are supported between the first pcb board 31 and the second pcb board 32.The first auxiliary supports 34 and the second auxiliary supports 35 are distributed in the two ends of whole printed circuit board (PCB), can play good supporting role.More preferred, the first auxiliary supports 34 all can be connected with the second pcb board 32 clampings with the first pcb board 31 with the second auxiliary supports 35.Please refer again to accompanying drawing 6, a kind of concrete snap fit is: support place that support place of the first auxiliary supports 34 is provided with projection 341, the second auxiliary supports 35 is provided with projection 351.The position that the first pcb board 31 is relative with projection on the first auxiliary supports 34 and the second auxiliary supports 35 is provided with hole clipping or draw-in groove, and the position that the second pcb board 32 is relative with the projection of the first auxiliary supports 34 and the second auxiliary supports 35 is provided with hole clipping or draw-in groove.In the process coordinating, projection coordinates with hole clipping or draw-in groove clamping.Snap fit can improve the packaging efficiency of whole printed circuit board (PCB).In the process of projection and hole clipping or draw-in groove assembling, for fear of wrongly installed and then play good fool proof effect, the first auxiliary supports 34 protruding quantity that position relative to the second pcb board 32 the first pcb board 31 arranges respectively can not wait, and the second auxiliary supports 35 protruding quantity that position relative to the second pcb board 32 the first pcb board 31 arranges respectively also can not wait.Certainly, the first pcb board 31 can not wait with hole clipping or the draw-in groove quantity of the first auxiliary supports 34 and the second auxiliary supports 35 matching parts respectively, and the second pcb board 32 also can not wait with hole clipping or the draw-in groove quantity of the first auxiliary supports 34 and the second auxiliary supports 35 matching parts respectively.Certainly, in the present embodiment three, not only can reach fool proof object by the quantity that changes projection and hole clipping or draw-in groove, can also adopt other mode to realize identical object.For example change the shape of the first auxiliary supports 34 and the second auxiliary supports 35.Please refer again to Fig. 7 and Fig. 8, concrete a kind of mode is, the first auxiliary supports 34 is plate armature, and the second auxiliary supports 35 is bended plate type structure, for example U-shaped bending plate.
The first auxiliary supports 34 and the second auxiliary supports 35 can be all metalwork, the first auxiliary supports 34 and the first pcb board 31 and the second pcb board 32 wedging positions are weldingly connected, the second auxiliary supports 35 and the first pcb board 31 and the second pcb board 32 wedging position welding.The first auxiliary supports 34 and the second auxiliary supports 35 are all weldingly connected on the basis of clamping again with the first pcb board 31 and the second pcb board 32.This can improve bonding strength, further ensures the spatial-intensity of whole printed circuit board (PCB).In addition, the first auxiliary supports 34 and the second auxiliary supports 35 are the metal that heat conductivility is good (for example copper), and weld the heat that the electronic devices and components that can shed in time on the first pcb board 31 and the second pcb board 32 produce with the first pcb board 31 and the second pcb board 32.More preferred, the first auxiliary supports 34 and the second auxiliary supports 35 are metal sheet.The area of dissipation of metal sheet is larger, can further improve the heat-sinking capability of whole printed circuit board (PCB).
In order further to improve the heat dispersion of whole printed circuit board (PCB), the printed circuit board (PCB) that the utility model embodiment tri-provides can also comprise the second metallic heat radiating plate that depends on the first metallic heat radiating plate on the first pcb board 31 lateral surfaces and/or depend on the second pcb board 32 lateral surfaces.Lateral surface herein refers to two sides that the first pcb board 31 deviates from mutually with the second pcb board 32.Please refer to Fig. 6, the printed circuit board (PCB) that the utility model embodiment tri-provides comprises the first metallic heat radiating plate 36 being arranged on the first pcb board 31 lateral surfaces.Projection on the first auxiliary supports 34 and the second auxiliary supports 35 passes corresponding hole clipping or draw-in groove, and the first metallic heat radiating plate 36 can pass with the projection on the first auxiliary supports 34 and the second auxiliary supports 35 the position clamping of corresponding hole clipping or draw-in groove.For this reason, on the first metallic heat radiating plate 36, be provided with draw-in groove 361 or hole clipping.Certainly, the second metallic heat radiating plate also can have same structure and the matching relationship identical with the second auxiliary supports 35 with the first auxiliary supports 34.
According to applied scene difference, the function difference of the pcb board on printed circuit board (PCB), for example, in order to realize the function (emission function, receiving function) of printed circuit board (PCB), the printed circuit board (PCB) in the present embodiment three has external optical fiber, for being connected and realizing light path with optical cable.Concrete, external optical fiber can be arranged on any one or more in the first pcb board 31, the second pcb board 32 and the 3rd pcb board 37.As shown in Figure 6, external optical fiber 372 is arranged on the 3rd pcb board 37 example.
Preferably, the first optical fiber in the present embodiment three and the first electric wire, the second optical fiber and the second electric wire all can be integrated into optoelectronic composite cable.Optoelectronic composite cable be a kind of in optical cable, increase insulated electric conductor with light harvesting fine and power transmission line in the cable of one.Optoelectronic composite cable can solve equipment electricity consumption and device signal transmission problem simultaneously, can also meet the related request of cable when retaining optical cable characteristic.Given this, optoelectronic composite cable apply more and more with network layout system in.In the present embodiment three, the first electric wire and the second electric wire include live wire and ground wire.
In the network layout system that the present embodiment three provides, the first electric wire is connected with the second electric wire and the first optical fiber to be connected with the second optical fiber can be printed circuit board (PCB) power supply and transmitting optical signal.In the process of docking, can first the crust of the first electric wire and the second electric wire be peeled off, expose live wire and ground wire.Please refer again to accompanying drawing 6, the first electric wires and comprise that live wire 312, ground wire 313, the second electric wires comprise live wire 39 and ground wire 310.In the process of docking, the first optical fiber 315 is connected with the input of optical branching device 38, and the first optical fiber 315 is divided into the first branch road optical fiber and the second branch road optical fiber by optical branching device 38, and the first branch road optical fiber and the second branch road optical fiber are all connected to the output of optical branching device 38.The first branch road optical fiber is connected with the second optical fiber 311, and the second branch road optical fiber is connected with the second optical fiber 372.Concrete, the second branch road optical fiber with external optical fiber 372 by for example optical fiber adpting flange of connector 371() be connected.
In the network layout system that the present embodiment three provides, the ground wire 313 of the first electric wire is all connected with the earth point of printed circuit board (PCB) with the ground wire 310 of the second electric wire, the live wire 312 of the first electric wire and the live wire 39 of the second electric wire dock, and the live wire 312 of the first electric wire or the second electric wire live wire 39 have for being connected with the live wire contact of printed circuit board (PCB).For this reason, the live wire 312 of the first electric wire or the live wire 39 of the second electric wire have the external cord 314 being connected with printed circuit board (PCB).In preferred scheme, the first pcb board 31, the second pcb board 32 and the 3rd pcb board 37 all can pass through contact pin type electrical connector, this kind of mode makes whole printed circuit board (PCB) only have place's contact to be connected with external cord 314, can further reduce external cord and be electrically connected the complex operation problem causing, can solve the unsettled problem of wiring that external cord is brought.More preferred, the live wire docking of the first electric wire and the second electric wire, and by solder joint welding reserved on external cord 314 and described the first pcb board, the second pcb board or the 3rd pcb board, think that three powers.
In order further to optimize technique scheme, in the ground wire 313 of the first electric wire and the ground wire 310 of the second electric wire, one is connected with the first auxiliary supports 34, and another one is connected with the second auxiliary supports 35.Please refer again to accompanying drawing 6, the first auxiliary supports 34 and the second auxiliary supports 35 are metallic supports, the ground wire 313 of the first electric wire and the first auxiliary supports 34 weld, the ground wire 310 of the second electric wire and the second auxiliary supports 35 weld, the first auxiliary supports 34 and the second auxiliary supports 35 all weld with each pcb board of printed circuit board (PCB), so above-mentioned connected mode can realize the first electric wire, the second electric wire and printed circuit board (PCB) altogether, reduce outside electric wire and connect.The first auxiliary supports 34 and the second auxiliary supports 35 can also play good thermolysis, and when particularly the first auxiliary supports 34 and the second auxiliary supports 35 are metal sheet, radiating effect is better.Because ground wire is thicker, heat conduction function is better, and the heat that therefore above-mentioned connected mode can produce printed circuit board (PCB) sheds by ground wire quickly.
In more preferred scheme, the first metallic heat radiating plate 36 and the second metallic heat radiating plate all can be weldingly connected with the first auxiliary supports 34 and the second auxiliary supports 35, further strengthen the effect of heat conduction.With the mode that need to realize by setting up radiator fan at present heat radiation, above-mentioned radiating mode can cost-saving and space.
In order to improve the wiring compactedness of whole network layout system, reduce taking up room of wiring place, on the first auxiliary supports 34 of the optoelectronic composite cable that the utility model embodiment tri-provides and the second auxiliary supports 35, all can be set to cable perforation.Please refer again on accompanying drawing 6,7 and 8, the first auxiliary supports 34 and arrange on cable perforation 342, the second auxiliary supports 35 cable twelve punch y 352 is set.Preferably, cable perforation 342 and cable 352 positioned opposite of boring a hole.Certainly,, under this kind of structure, the connected mode of the first electric wire and the second electric wire has multiple.A kind of concrete connected mode is: the live wire 312 of the first electric wire is successively through after the cable perforation 352 on cable perforation 342 and the second auxiliary supports 35 on the first auxiliary supports 34, be connected with the live wire 39 of the second electric wire, and draw external cord 314 in junction for being connected with printed circuit board (PCB).
In the present embodiment, optical branching device 38, for light splitting, is inputted an optical fiber, exports at least two optical fiber, and then realizes input optical fibre power is distributed.For example, input optical fibre power 100%, two of output can be 50% and 50% with the power of optical fiber, can be also the different proportioning such as 95% and 5%.Preferably, optical branching device 38 can be arranged on the inside of printed circuit board (PCB).Concrete a kind of connected mode is: the second optical fiber 311 passes the electronic devices and components that get around on each pcb board after the cable perforation 352 on the second auxiliary supports 35 and reaches optical branching device 38, and with the output that is connected to optical branching device 38 together with external optical fiber 372 on the 3rd pcb board 37, be connected with the second branch road optical fiber with the first branch road optical fiber of optical branching device 38 outputs respectively.The first optical fiber 315 penetrates from the cable perforation 342 of the first auxiliary supports 34, and be connected with the input of optical branching device 38, finally realizing the first optical fiber 315 is connected with the external optical fiber of the second optical fiber 311 and printed circuit board (PCB), in the present embodiment three, external optical fiber can be arranged on the 3rd pcb board 37.
Certainly, above-mentioned optical branching device 38 also can be arranged on the outside of printed circuit board (PCB).Concrete, optical branching device 38 can be arranged on the left side of the first auxiliary supports 34.In such cases, the first optical fiber 315 is directly connected with the input of optical branching device 38, and the output that the second optical fiber 311 accesses optical branching device 38 in the lump with external optical fiber 372 after through cable perforation 352 is connected with the second branch road optical fiber with the first branch road optical fiber respectively to realize.
In sum, in the network layout system that the present embodiment provides, it is stereoeffect that the first pcb board 31 makes whole printed circuit board (PCB) after being connected by the first connector with the second pcb board 32.Stereoeffect can make two sides of the first pcb board 31 and the second pcb board 32 be the first installed surface for electronic devices and components are installed, can increase the installed surface of electronic devices and components, increase the area that electronic devices and components are installed, finally improve the space availability ratio of printed circuit board (PCB).
Simultaneously, the printed circuit board (PCB) that the present embodiment three provides is stereoeffect, stereoeffect has good mechanical property, can strengthen the antitorque tensile property of whole printed circuit board (PCB), and then can prevent preferably that pcb board is because pad or the caducous situation of electronic devices and components that pulling or distortion cause occur.
Further, the printed circuit board (PCB) that the present embodiment three provides can also comprise that the 3rd pcb board 37, the three pcb boards 37 can further improve the intensity of the stereoeffect that whole printed circuit board (PCB) has, and further improve the antitorque tensile property of printed circuit board (PCB).It should be noted that, the quantity of the 3rd pcb board 37 in the present embodiment three is not limit, it can be one deck, also can be multilayer, in the time that the quantity of the 3rd pcb board 37 is multilayer, those skilled in the art can carry out accommodation to the layout distance of all pcb boards including the first pcb board 31 and the second pcb board 32 according to practical application scene, to ensure that the first installed surface and the second installed surface can exercise its function
Further, the printed circuit board (PCB) that the present embodiment three provides can also comprise auxiliary supports, auxiliary supports can play the effect of supplemental support, and then improves the intensity of whole printed circuit board space stereochemical structure, further improves the antitorque resistance to tension of whole printed circuit board (PCB).
Further, auxiliary supports is metal sheet, and with the position welding of pcb board (the first pcb board 31 and the second pcb board 32) clamping of printed circuit board (PCB).This can further improve support strength and the stability of strutting system of auxiliary supports, can improve the heat dispersion of whole printed circuit board (PCB) simultaneously.
Further, the first metallic heat radiating plate and the second metallic heat radiating plate can further improve the heat dispersion of whole printed circuit board (PCB).
More preferred, the cable perforation 342 of the first auxiliary supports 34 and the cable of the second auxiliary supports 35 352 positioned opposite of boring a hole, and printed circuit intralamellar part has relative with cable perforation, and for the gap of for example, passing for cable (the first electric wire, the second electric wire, the first optical fiber 315 or the second optical fiber 311), be convenient to above-mentioned cable and pass from printed circuit intralamellar part.In order to realize, cable (for example the first electric wire, the second electric wire, the first optical fiber 315 or the second optical fiber 311) is supported, in the present embodiment three, the first auxiliary supports 34 and the second auxiliary supports 35 and the cable corresponding position of boring a hole is provided with the kink (as shown in Figure 7 and Figure 8) for supporting cable.
Above-described embodiment one-embodiment tri-some specific embodiments that just the utility model is announced, between each embodiment between different part only otherwise contradiction, can combination in any form new embodiment, and these embodiment are all in the disclosed category of the utility model embodiment.
Above-described the utility model execution mode, does not form the restriction to the utility model protection range.Any amendment of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.

Claims (10)

1. a printed circuit board (PCB), it is characterized in that, comprise the first pcb board, the second pcb board and be connected the first connector of described the first pcb board and the second pcb board, described the first connector is supported between described the first pcb board and the second pcb board, forms gap to make two surfaces of described the first pcb board and two surfaces of the second pcb board be the first installed surface for electronic devices and components are installed between described the first pcb board and the second pcb board.
2. printed circuit board (PCB) according to claim 1, it is characterized in that, described printed circuit board (PCB) also comprises the 3rd pcb board between described the first pcb board and the second pcb board, described the 3rd pcb board is connected by the second connector with described the first pcb board and/or the second pcb board, and two surfaces of described the 3rd pcb board are the second installed surface for electronic devices and components are installed.
3. printed circuit board (PCB) according to claim 2, it is characterized in that, described printed circuit board (PCB) also comprises auxiliary supports, described auxiliary supports comprises the first auxiliary supports and the second auxiliary supports, and both are separately positioned on the two ends of described printed circuit board (PCB), be supported between described the first pcb board and the second pcb board.
4. printed circuit board (PCB) according to claim 3, it is characterized in that, support place of described the first auxiliary supports and the second auxiliary supports is provided with projection, the position that described the first pcb board is corresponding with described the first auxiliary supports and the second auxiliary supports, and described the second pcb board position corresponding with described the first auxiliary supports and the second auxiliary supports all has the hole clipping or the draw-in groove that coordinate with described protruding clamping, described the first auxiliary supports by the hole clipping on described projection and the first pcb board and the second pcb board or draw-in groove respectively with described the first pcb board and the second pcb board clamping, described the second auxiliary supports by the hole clipping on described projection and described the first pcb board and the second pcb board respectively with described the first pcb board and the second pcb board clamping.
5. printed circuit board (PCB) according to claim 4, is characterized in that, described the first auxiliary supports and the second auxiliary supports are metal sheet; Wherein:
The wedging position welding of described the first auxiliary supports and described the first pcb board and the second pcb board, the wedging position welding of described the second auxiliary supports and described the first pcb board and the second pcb board.
6. printed circuit board (PCB) according to claim 5, it is characterized in that, described printed circuit board (PCB) also comprises the first metallic heat radiating plate of the lateral surface that depends on described the first pcb board, described projection passes described hole clipping or draw-in groove, and described the first metallic heat radiating plate and described projection pass the position clamping of described hole clipping or draw-in groove; And/or
Described printed circuit board (PCB) also comprises the second metallic heat radiating plate of the lateral surface that depends on described the second pcb board, and described projection passes described hole clipping or draw-in groove, and described the second metallic heat radiating plate and described projection pass the position clamping of described hole clipping or draw-in groove.
7. according to the printed circuit board (PCB) described in any one in claim 4-6, it is characterized in that, described the first auxiliary supports described protruding quantity that position relative to the second pcb board described the first pcb board arranges is not respectively etc.; Described the second auxiliary supports described protruding quantity that position relative to the second pcb board described the first pcb board arranges is not respectively etc.
8. according to the printed circuit board (PCB) described in any one in claim 2-5, it is characterized in that, described the first connector and the second connector are contact pin type electrical connector, make described the first pcb board, the second pcb board and the electrical connection of the 3rd pcb board.
9. network layout system, is characterized in that, comprises the first optical fiber, the first electric wire, the second optical fiber, the second electric wire, printed circuit board (PCB) and optical branching device, wherein:
Described printed circuit board (PCB) is the printed circuit board (PCB) described in any one in claim 4-8, on described the 3rd pcb board, is provided with external optical fiber, and described the first auxiliary supports and the second auxiliary supports are provided with cable perforation;
Described optical branching device is arranged on the outside of described the first auxiliary supports, described the second optical fiber stretches into and the cable perforation of described external optical fiber through described the first auxiliary supports from the cable perforation of described the second auxiliary supports, and be all connected with the output of described optical branching device, described the first optical fiber is connected with the input end of described optical branching device; Or;
Described optical branching device is arranged on described printed circuit intralamellar part, described the first optical fiber is stretched into described printed circuit board (PCB) and is connected with the input of described optical branching device by the cable perforation of described the first auxiliary supports, and described the second optical fiber is stretched into described printed circuit board (PCB) and is connected with the output of described optical branching device respectively with described external optical fiber by the cable perforation of described the second auxiliary supports;
The live wire of described the second electric wire docks with the live wire of described the first electric wire, and the live wire of the first electric wire or the second electric wire live wire have for described the first pcb board, the second pcb board or the 3rd pcb board on the external cord of reserved solder joint welding, think that three powers.
10. network layout system according to claim 9, it is characterized in that, described the first auxiliary supports is U-shaped bending plate, described the second auxiliary supports is dull and stereotyped, on described the first auxiliary supports and the second auxiliary supports, is provided with the bending part for supporting cable with the described cable corresponding position of boring a hole;
In the ground wire of the ground wire of described the first electric wire and the second electric wire, one and described the first auxiliary supports are weldingly connected, and another one and described the second auxiliary supports are weldingly connected.
CN201420153634.6U 2014-03-31 2014-03-31 Printed circuit board and network wiring system Withdrawn - After Issue CN203788559U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104955273A (en) * 2014-03-31 2015-09-30 奇点新源国际技术开发(北京)有限公司 Printed circuit board and network wire laying system
CN106571853A (en) * 2016-08-29 2017-04-19 广东万和新电气股份有限公司 Power line carrier communication-based control terminal
CN112399710A (en) * 2020-11-18 2021-02-23 贵州华阳电工有限公司 Hollow circuit board connecting structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104955273A (en) * 2014-03-31 2015-09-30 奇点新源国际技术开发(北京)有限公司 Printed circuit board and network wire laying system
CN104955273B (en) * 2014-03-31 2018-10-02 奇点新源国际技术开发(北京)有限公司 Printed circuit board and network cabling system
CN106571853A (en) * 2016-08-29 2017-04-19 广东万和新电气股份有限公司 Power line carrier communication-based control terminal
CN112399710A (en) * 2020-11-18 2021-02-23 贵州华阳电工有限公司 Hollow circuit board connecting structure

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