CN113964600A - Connector and connecting cable - Google Patents
Connector and connecting cable Download PDFInfo
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- CN113964600A CN113964600A CN202111448998.8A CN202111448998A CN113964600A CN 113964600 A CN113964600 A CN 113964600A CN 202111448998 A CN202111448998 A CN 202111448998A CN 113964600 A CN113964600 A CN 113964600A
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- connection
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- terminal
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- 230000003287 optical effect Effects 0.000 claims abstract description 52
- 239000013307 optical fiber Substances 0.000 claims description 43
- 239000002184 metal Substances 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 238000003825 pressing Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 abstract description 30
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000002788 crimping Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/6608—Structural association with built-in electrical component with built-in single component
- H01R13/6641—Structural association with built-in electrical component with built-in single component with diode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Abstract
The invention discloses a connector and a connecting cable, which comprise a main body, a first connecting end, a second connecting end and a third connecting end, wherein the first connecting end, the second connecting end and the third connecting end are respectively arranged on the main body; the first connecting end comprises a plurality of first connecting terminals which are conductive terminals; the second connecting end comprises a plurality of second connecting terminals which are conductive terminals; the third connecting end comprises a plurality of third connecting terminals, and the third connecting terminals are photodiodes or laser emitters; the second connecting terminal is connected with the corresponding first connecting terminal; the third connection terminals are connected with the corresponding first connection terminals. The connector can convert high-speed signals in electric signals into optical signals for transmission and reception, overcomes the defect of large loss of the traditional copper wire, and improves the application convenience of the backboard video transmission line.
Description
Technical Field
The invention relates to the field of connectors, in particular to a connector and a connecting cable.
Background
Commonly used backplane video transmission technologies in the prior art include V-by-One and V-by-One HS.
The V-by-One HS technology developed on the basis is an additional technology for image equipment with higher data stream requirements, the maximum transmission speed of each pair of transmission lines can reach 4Gbps, and the V-by-One HS technology is currently applied to various image equipment and video equipment which are mainly flat panel electronics.
The existing video transmission line of the back panel is generally manufactured based on copper wires and limited by the performance of the copper wires, and in order to meet the performance requirement of the V-by-One HS technology, the length of the video transmission line of the back panel cannot be too long, which brings great inconvenience to specific application.
Disclosure of Invention
In order to improve the application convenience of the backboard video transmission line, the invention provides the connector and the connecting cable, which convert high-speed signals in electric signals into optical signals for transmission and reception, overcome the defect of large loss of the traditional copper wire and improve the application convenience of the backboard video transmission line.
Correspondingly, the invention provides a connector which comprises a main body, a first connecting end, a second connecting end and a third connecting end, wherein the first connecting end, the second connecting end and the third connecting end are respectively arranged on the main body;
the first connecting end comprises a plurality of first connecting terminals which are conductive terminals;
the second connecting end comprises a plurality of second connecting terminals which are conductive terminals;
the third connecting end comprises a plurality of third connecting terminals, the third connecting terminals are photodiodes or laser emitters, the photodiodes are provided with power supply ends, signal ends and working surfaces used for receiving optical signals, and the laser emitters are provided with power supply ends, signal ends and working surfaces used for outputting optical signals; the working face faces the exterior of the body;
any one of the plurality of second connecting terminals is connected with a corresponding first connecting terminal of the plurality of first connecting terminals;
the power supply end of any one of the plurality of third connecting terminals is connected with the corresponding first connecting terminal in the plurality of first connecting terminals;
the signal end of any one of the third connection terminals is connected with the corresponding first connection terminal in the first connection terminals.
In an optional embodiment, the surface of the main body is covered with connecting lines;
any one of the second connecting terminals is connected with a corresponding first connecting terminal through the connecting line;
and/or the power supply end of any one of the plurality of third connecting terminals is connected with the corresponding first connecting terminal through the connecting line;
and/or the signal end of any one third connection sheet in the plurality of third connection terminals is connected with the corresponding first connection terminal through the connection line.
In an alternative embodiment, the working surfaces of all the third connection terminals face in the same direction.
In an alternative embodiment, the body has a third connecting male, the third connecting end being arranged on the third connecting male.
In an optional embodiment, a positioning structure designed to cooperate with the third connecting male head is disposed on a surface of the main body.
In an optional implementation manner, a signal processing unit is disposed between the signal end of any one of the plurality of third connection terminals and the corresponding first connection terminal of the plurality of first connection terminals.
Correspondingly, the invention also provides a connecting cable, which comprises a connecting line module and the connector of any one of claims 1 to 6;
the connecting wire module comprises a metal wire component and an optical fiber component;
the metal wire assembly comprises a plurality of metal connecting wires;
the optical fiber assembly comprises a plurality of optical fibers;
the first end of any one of the plurality of metal connecting wires is connected with one of the plurality of second connecting terminals;
the first end of any one of the plurality of optical fibers is connected with the working face of one of the plurality of third connecting terminals.
In an optional embodiment, the first end of any one of the metal connecting lines is bonded to the corresponding second connecting terminal.
In an optional embodiment, the device further comprises a connector;
the connector has a first optical connection end and a second optical connection end;
the first optical connection end is provided with a plurality of optical fiber pressing line channels;
the second optical connection end is provided with a plurality of light emitting holes;
any one of the optical fiber pressing channels is communicated with the light emitting holes through a light guide flow channel;
the first end of any one of the optical fibers is pressed in one of the optical fiber pressing channels;
the connector is relatively fixed with the position of the main body, the second optical connecting end is connected with the third connecting end, and any one of the plurality of light emitting holes is opposite to the working face of one of the plurality of third connecting terminals.
In an optional implementation manner, when the main body has a third male connection end and the third connection end is disposed on the third male connection end, the connector has a third female connection end, and the connector and the main body are fixed to each other by the fitting between the third female connection end and the third male connection end.
In summary, the present invention provides a connector and a connection cable, where the connector can receive and transmit signals in the form of electrical signals and optical signals, and can ensure the transmission effect and transmission quality of the signals; the maximum length of the connecting cable can be increased by using the connecting cable of the connector, and the connecting cable has good practicability in a specific application field.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a connector according to an embodiment of the invention.
Fig. 2 is a schematic three-dimensional structure diagram of a connection cable according to an embodiment of the present invention.
Fig. 3 is a perspective view of a three-dimensional structure of the connector according to the embodiment of the invention.
FIG. 4 is a front perspective view of a lens structure according to an embodiment of the invention.
FIG. 5 is a top perspective view of a lens structure according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic three-dimensional structure diagram of a connector according to an embodiment of the invention.
Specifically, the embodiment of the present invention provides a connector, which includes a main body 25, a first connection end 10, a second connection end 14, and a third connection end 20, where the first connection end 10, the second connection end 14, and the third connection end 20 are respectively disposed on the main body 25.
Specifically, the main body 25 is used to form a main structural shape of the connector, and the first connection end, the second connection end and the third connection end may be structures disposed on a surface of the main body 25 or structures embedded from the surface of the main body 25.
Basically, the first connection end includes a plurality of first connection terminals 11, and the first connection terminals 11 are conductive terminals; specifically, the conductive terminal according to the embodiment of the present invention refers to a terminal having an electrical transmission function, and specifically, both signal and power transmission belong to electrical transmission, and therefore, the basic functions of the first connection terminal 11 include a signal transmission function and a power transmission function.
Basically, the second connection end includes a plurality of second connection terminals 13, and the second connection terminals 13 are conductive terminals; the second connection terminal 13 also has a signal transmission function and a power transmission function, similarly to the first connection terminal 11.
Basically, the third connection terminal includes a plurality of third connection terminals 15, the third connection terminals 15 are photodiodes 16 or laser emitters, the photodiodes 16 have a power supply terminal, a signal terminal and a working surface 17 for receiving optical signals, and the laser emitters have a power supply terminal, a signal terminal and a working surface 17 for outputting optical signals; the working surface 17 faces the outside of the body 25.
Specifically, in the embodiment of the present invention, the third connection terminal 15 is a photodiode 16 or a laser transmitter, specifically, the third connection terminal is used for transceiving and converting an optical signal, and for a signal that needs to be sent through the third connection terminal, the signal actually needs to be sent through the laser transmitter, specifically, an electrical signal of the first connection terminal 11 is transmitted to a signal end of the laser transmitter, and the laser transmitter performs signal transmission after performing electro-optical conversion on the signal; for the signal that needs to be received through the third connection end, it actually needs to be received through the photodiode 16, specifically, after the photodiode 16 receives the optical signal, the optical signal is converted into an electrical signal through photoelectric conversion and transmitted to the first connection terminal 11 for being received by the device connected to the first connection end.
Regarding the specific implementation structure of the third connection terminal 15, taking the photodiode 16 as an example, referring to the partially enlarged schematic diagram of fig. 1 of the drawings, the photodiode 16 has a bottom surface lead and a top surface lead, the bottom surface lead and the top surface lead are respectively a signal terminal and a power supply terminal (or the bottom surface lead and the top surface lead are respectively a power supply terminal and a signal terminal), the bottom surface lead of the photodiode 16 is bonded on the connection line 12, the top surface lead of the photodiode 16 is connected with the connection line 12 by wire bonding, and the working surface 17 (working area for receiving optical signals) of the photodiode 16 is located on one side of the top surface lead.
In the implementation of the present invention, any one second connection terminal 13 of the plurality of second connection terminals 13 is connected to a corresponding first connection terminal 11 of the plurality of first connection terminals 11; a power supply end of any one third connecting terminal 15 of the plurality of third connecting terminals 15 is connected with the corresponding first connecting terminal 11 of the plurality of first connecting terminals 11; a signal terminal of any one of the plurality of third connection terminals 15 is connected to a corresponding first connection terminal 11 of the plurality of first connection terminals 11.
It should be noted that, since there is multiplexing of functions (such as power supply functions) or multiplexing of signal transmission, the same first connection terminal 11 may also be connected to the second connection terminal 13 or the third connection terminal 15 at the same time.
Specifically, in terms of signal transmission, how to allocate the first connection terminal 11 may be determined according to the content of data that the first connection terminal 11 actually needs to transmit. Generally, the signal frequency of low-rate (low-density) data is low, so that the loss of the low-rate data in a metal wire is small, and correspondingly, the low-rate data can be transmitted through the metal wire; the electrical signal frequency of the high-speed (high-density) data is high, so the loss of the high-speed data in the metal wire is large, if the high-speed data is transmitted in the metal wire, the length of the metal wire needs to be strictly limited in order to prevent the high-speed signal from being attenuated to zero or distorted, if the length of the metal wire needs to be prolonged, a signal repeater needs to be added between the metal wires and a metal wire material with better quality needs to be selected, and in order to facilitate implementation, the embodiment of the invention can transmit the high-speed data in an optical signal mode; compared with the optical module which is directly added to the using equipment, in the embodiment of the present invention, the corresponding photoelectric conversion module and the corresponding electro-optical conversion module are arranged on the connector, specifically, the first connection terminal 11 for transmitting high-speed data in the first connection end is connected to the signal end of the corresponding third connection terminal 15 to perform the first transmission of the signal; specifically, since the third connection terminal 15 of the embodiment of the present invention is of the type of the photodiode 16 or the laser emitter, in order to ensure power supply, the first connection terminal 11 for power supply in the first connection terminal needs to be connected to the power supply terminal of the third connection terminal 15.
It should be noted that, since both the metal wire and the optical fiber can transmit signals, both can transmit high-speed signals and low-speed signals, respectively, in practical use.
Further, the connecting lines 12 are covered and arranged on the surface of the main body 25;
any one second connection terminal 13 of the plurality of second connection terminals 13 is connected with a corresponding one of the first connection terminals 11 through the connection line 12;
and/or the power supply end of any one third connecting terminal 15 in the plurality of third connecting terminals 15 is connected with a corresponding one first connecting terminal 11 through the connecting line 12;
and/or the signal end of any one of the third connection units 15 is connected with a corresponding one of the first connection terminals 11 through the connection line 12.
Specifically, the material of the main body 25 may be LCP, PPS, or the like, and after the main body 25 is manufactured, the connection lines 12 are covered on the surface of the main body 25. The connection lines 12 may be produced by a laser direct structuring process and/or by an electroplating process. Specifically, in the embodiment of the present invention, the transmission signals of the connection line 12 are all electrical signals, and the connection line 12 is exposed to the outside without causing much interference to the transmission of the signals. In the connector according to the embodiment of the present invention, the signal that needs to be prevented from interference or leakage is an optical signal, and in the specific implementation, special structural protection needs to be performed on the optical signal, and a related structure is described in the following embodiments.
In a specific implementation, the main body 25 may be a PCB.
Specifically, in the embodiment of the present invention, the working surfaces 17 of all the third connection terminals 15 face in the same direction. Further, the working surfaces 17 of all the third connection terminals 15 are located on the same plane. In particular, the object of this embodiment is to enable the third connection terminal formed by the third connection terminal 15 to be more easily connected and to synchronize the transmission and reception of signals.
Further, in the present embodiment, the main body 25 has a third connection male, and the third connection end is provided on the third connection male. Specifically, the third connection end according to the embodiment of the present invention relates to transmission of optical signals, on one hand, transmission of optical signals cannot generate leakage, and on the other hand, synchronization of transmission of signals on different third connection terminals 15 needs to be ensured, so that by providing the third connection male, uniformity of the structure of the third connection terminals 15 can be ensured, when connection is performed by external connection equipment, relative positions of optical fibers and the third connection terminals 15 can be fixed well, and stability of relative positions between each group of optical fibers and the third connection terminals 15 is ensured.
Further, in order to position the external connection device, a positioning structure designed to be matched with the third connection male head is arranged on the surface of the main body 25. The positioning structure is a split type, and two units of the split type in the positioning structure are respectively arranged on the main body 25 and the external equipment. The specific structure of the positioning structure may be designed for the connection object of the third connection end.
Further, in order to meet the signal transmission requirements of the V-by-One and V-by-One HS technologies, reduce the requirements of signal transmission synchronicity, and reduce the data error rate, in the embodiment of the present invention, a signal processing unit is disposed between the signal end of any One of the plurality of third connection terminals 15 and the corresponding first connection terminal 11 of the plurality of first connection terminals 11. Specifically, the signal processing unit may be a differential signal processing unit, and may be configured to convert an input signal of the first connection terminal 11 into a differential signal and output the differential signal to a signal end of the third connection terminal 15, so that the third connection terminal 15 performs conversion and output.
In the embodiment of the present invention, the signal processing unit has a processing circuit based on the signal processing chip 21, the processing circuit can be disposed on a sub circuit board 23, and the signal processing unit is disposed on the surface line through the sub circuit board 23.
It should be noted that the signal transmission direction of the connector according to the embodiment of the present invention is bidirectional, that is, the signal transmission between two objects generating connection is bidirectional when allowed, and therefore, the first signal end of the connector can be used for connecting to a device for signal output and can also be used for connecting to a device for signal input.
Fig. 2 is a schematic three-dimensional structure diagram of a connection cable according to an embodiment of the present invention.
Specifically, the embodiment of the present invention further provides a connection cable, which includes the connection line module and the connector described above.
Specifically, the connector of the embodiment of the present invention is equivalent to a connecting member between the connecting line module and the device to which the connecting cable is connected, and the connector has a fixed main structure, and in order to meet the connection requirement between two devices, the length of the connecting cable needs to be adjusted by the connecting line module.
Specifically, the connecting wire module is regarded as a whole, in the embodiment of the present invention, at least one end of the connecting wire module is connected to the connector, and in the embodiment of the present invention, both ends of the connecting wire module are respectively connected to the connector.
Basically, regarding the connector structure of the embodiment of the present invention, the structure of the connection cable of the embodiment of the present invention is as follows:
the connecting wire module comprises a metal wire component 30 and an optical fiber component 32; wherein the wire assembly 30 is used for transmission of electrical signals and the fiber assembly 32 is used for transmission of optical signals.
Specifically, the metal wire assembly 30 includes a plurality of metal connecting wires 31; the metal connection line 31 has functions of signal transmission, power transmission and the like.
Specifically, the optical fiber assembly 32 includes a plurality of optical fibers 33; the optical fiber is used for transmitting optical signals.
Specifically, a first end of any one metal connection line 31 of the plurality of metal connection lines 31 is connected to one of the plurality of second connection terminals; the metal connection line 31 functions to connect the second connection terminal with the outside.
Specifically, the first end of any one of the plurality of optical fibers is connected with the working surface of one of the plurality of third connection terminals; the optical fiber serves to connect the third connection terminal with the outside.
Specifically, since the implementation condition of the transmission of the electrical signal only needs to ensure the electrical connection, in the specific implementation, the first end of any one metal connection line 31 of the plurality of metal connection lines 31 is bonded to the corresponding second connection terminal. Specifically, in order to facilitate bonding of the metal connection wire 31, the main body of the embodiment of the invention is provided with a connection groove at a position corresponding to the second connection end, and the connection groove is located on a side surface of the main body and penetrates through a top surface of the main body, as shown in the orientation shown in fig. 1 of the drawings, and after the metal connection wire 31 is bonded to the corresponding second connection terminal, a connection structure between the metal connection wire 31 and the second connection terminal is located in the connection groove. Outside when operating the use to this connecting cable, be difficult to bump the bonding structure of second connecting terminal and interconnecting link, protection is advanced to this that can be fine.
Specifically, compared with a metal wire, the optical fiber is of a fragile structure, and in consideration of the maintenance convenience of the connection cable and the connection stability between the optical fiber and the third connection terminal, the connection cable of the embodiment of the present invention further includes a connector 34 for achieving the working face communication function between the optical fiber and the third connection terminal.
Fig. 3 is a perspective view of a three-dimensional structure of the connector according to the embodiment of the invention.
In particular, the connector has a first optical connection end 44 and a second optical connection end 43. The first optical connection end 44 has a plurality of optical fiber line pressing channels, the second optical connection end 43 has a plurality of light emitting holes 41, and any one of the optical fiber line pressing channels is communicated with the light emitting holes 41 through a light guide flow channel.
Specifically, the first end of any one of the optical fibers is pressed in one of the optical fiber pressing channels, and specifically, the pressing manner of the optical fiber in the optical fiber pressing channel is as follows:
the optical fiber comprises a wire sheath and a core tube 35, wherein the core tube 35 is made of a transparent material; the connector comprises a connector main body 36 and a connector cover 37, wherein a plurality of semi-conductor optical grooves are arranged on the connector main body 36, and the cross section of each semi-conductor optical groove can be V-shaped; peeling off the end of the optical fiber and reserving core tubes 35, wherein the core tubes 35 are matched in corresponding semi-conductor grooves; the cover body is fixed on the connector main body 36, and simultaneously presses on the wire sheath on one side of the optical fiber close to the bare core tube 35; further, one side of the cover body facing the core tube 35 may be a plane, or may be a structure provided with a semi-conductive groove; the bare core tube 35 is surrounded by a combination of a semi-conducting optical groove on the cover and a semi-conducting optical groove on the connector body 36. Specifically, since the cross-sectional shape of the semiconductor optical groove of the embodiment of the present invention is designed to be V-shaped, the cross-sectional shape of the optical fiber crimping channel formed by the combination of the semiconductor optical groove on the cover and the semiconductor optical groove on the connector body 36 is parallelogram or rhombus, for the core tube 35 with a circular cross-sectional shape, the optical fiber crimping channel is externally connected to the core tube 35, the optical fiber crimping channel combination forms a sealed channel structure for transmission of optical signals, and meanwhile, the optical fiber crimping channel can fix the core tube 35 of light by means of an inscribed circle, in actual operation, the quadrangle or rhombus can be slightly smaller than the inscribed circle, so as to ensure that the optical fiber crimping channel can clamp the core tube 35.
Specifically, regarding the second optical connection end 43 of the connector, the position of the connector and the main body is relatively fixed, and the second optical connection end 43 is connected to the third connection end, and any one light-emitting hole 41 of the plurality of light-emitting holes 41 is opposite to the working surface of one third connection terminal of the plurality of third connection terminals.
Specifically, in the embodiment of the present invention, since the light exit hole 41 is communicated with the optical fiber cable pressing channel, and the light exit hole 41 is fixed on the connector, when the connector is matched with the main body in a fixed posture, correspondingly, the light exit hole 41 is opposite to the working surface of the corresponding third connection terminal, and an optical signal can be led from the light exit hole 41 to the third connection terminal or the third connection terminal can lead the optical signal into the light exit hole 41.
Further, in order to ensure the stability of the relative position between the connector and the main body, when the main body has a third male connection end and the third connection end is disposed on the third male connection end, the connector has a third female connection end 40, and the connector and the main body are fixed to each other through the cooperation of the third female connection end 40 and the third male connection end. Specifically, in addition to the matching of the male head and the female head, in the embodiment of the invention, the third connecting male head and the matching are provided with the positioning structures, and accordingly, the fixing of the relative position can be further realized through the matching between the positioning structures. In the embodiment of the present invention, the matching positioning structure is a positioning hole 42 and a positioning column 19, which are respectively disposed on the main body 36 and the main body of the adaptor.
Further, limited by the size of the optoelectronic device, in order to ensure that the optoelectronic device can receive an optical signal with sufficient intensity, and ensure that the emission signal of the laser emitter can be diffused in the light guiding flow and be fiber-coupled at different angles, in the embodiment of the present invention, a lens structure is disposed at the position of the light exit hole 41.
Specifically, after the connector is connected with the main body, each light outlet hole 41 is opposite to the working surface of a corresponding third connecting terminal, and by arranging the lens structure, the lens structure can focus signals and enables the lens structure to be close to the focal plane on one side of the third connecting sheet to fall on the mounting surface of the third connecting terminal, the focal point on one side of the third connecting sheet close to the lens structure falls on the sensing area of the photodiode, and meanwhile, the focal point on one side of the third connecting sheet close to the lens structure falls on the emitting position of the laser emitter.
Specifically, through multiple tests, it is found that because a manufacturing error exists between the connector main body 36 and the main body, and the structural size of the component used in the embodiment of the present invention is small, the positioning structure of the positioning hole 42 and the positioning post in the embodiment of the present invention can ensure that the light exit hole 41 is aligned with the working surface of the third connection terminal, but after the connector main body 36 and the main body are connected, it cannot ensure that the relative distance between each light exit hole and the corresponding working surface of the third connection terminal is a fixed value, and the focal point of the lens structure is difficult to fall on the working surface of the photodiode, so the embodiment of the present invention provides a lens structure with an adjustable focal point.
FIG. 4 is a front perspective view of a lens structure according to an embodiment of the invention.
FIG. 5 is a top perspective view of a lens structure according to an embodiment of the invention.
Specifically, the lens structure comprises an electric control heat source 61, a first film body 62, a second film body 63 and a filling liquid 64;
specifically, the first film 62 and the second film 63 are respectively disposed in the light guide flow channels and respectively cut off the light guide flow channels (the second film 63 may be disposed on the light exit hole 41), and the filling liquid 64 is filled between the first film 62 and the second film 63.
The filling liquid 64 in each area is respectively provided with an electric control heat source 61 in a matching way;
the electric power of the electrically controlled heat source 61 is derived from the outside of the connection cable, and similarly, the electric power source of the electrically controlled heat source 61 can be obtained from the first connection terminal of the connector because the first connection terminal can input the electric power.
Specifically, in the implementation case where the power source is the first terminal, one of the connection lines leads to the periphery of the opening position of the positioning hole 42 (named as the first line 60, the first line 60 may also be manufactured based on the laser direct forming process and/or the electroplating process), and correspondingly, corresponding to the arrangement of the first line 60, a second line is arranged around the positioning column of the connector body 36, and the second line is communicated with the electrically controlled heat source 61.
Specifically, the volume of the filling liquid 64 is affected by the change of the temperature, and regarding the self-structures of the first membrane 62 and the second membrane 63, the first membrane 62 and the second membrane 63 have different deformability for the purpose of focusing; the first film 62 and the second film 63 correspond to two light processing surfaces of the lens, and the function of focusing can be realized by changing the structures of the light processing surfaces.
Specifically, the focusing method described above lacks a feedback structure, and therefore, cannot well meet the actual use requirement, and therefore, further, the focusing effect needs to be confirmed by a software measurement method.
Specifically, it is determined whether the focusing effect is good, and evaluation needs to be performed according to a signal value of the minimum intensity that can be received by the photodiode. In the embodiment of the present invention, since both ends of the connection cable may be set as the connector structure according to the embodiment of the present invention, the intensity of the optical signal may be adjusted by adjusting the emission intensity of the laser emitter, and then the photodiode may be used to sense the optical signal, when the minimum intensity of the optical signal sensed by the photodiode is too low, it indicates that there is a large distance difference between the focal point of the lens structure and the working surface of the photodiode, and the corresponding electrically controlled heat source 61 needs to be used to control the temperature of the corresponding filling liquid 64, thereby implementing the function of focusing.
It should be noted that the above focusing process is a background silent process, and silent process is performed through a corresponding driver, and a user only needs to directly use the connection cable.
To sum up, the embodiment of the present invention provides a connector and a connection cable, where the connector can receive and transmit signals in the form of electrical signals and optical signals, and can ensure the transmission effect and transmission quality of the signals; the maximum length of the connecting cable can be increased by using the connecting cable of the connector, and the connecting cable has good practicability in a specific application field.
The above detailed description of the connector and the connecting cable according to the embodiments of the present invention is provided, and the principle and the embodiments of the present invention are described herein by applying specific examples, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A connector is characterized by comprising a main body, a first connecting end, a second connecting end and a third connecting end, wherein the first connecting end, the second connecting end and the third connecting end are respectively arranged on the main body;
the first connecting end comprises a plurality of first connecting terminals which are conductive terminals;
the second connecting end comprises a plurality of second connecting terminals which are conductive terminals;
the third connecting end comprises a plurality of third connecting terminals, the third connecting terminals are photodiodes or laser emitters, the photodiodes are provided with power supply ends, signal ends and working surfaces used for receiving optical signals, and the laser emitters are provided with power supply ends, signal ends and working surfaces used for outputting optical signals; the working face faces the exterior of the body;
any one of the plurality of second connecting terminals is connected with a corresponding first connecting terminal of the plurality of first connecting terminals;
the power supply end of any one of the plurality of third connecting terminals is connected with the corresponding first connecting terminal in the plurality of first connecting terminals;
the signal end of any one of the third connection terminals is connected with the corresponding first connection terminal in the first connection terminals.
2. The connector of claim 1, wherein the surface of the body is covered with connecting wires;
any one of the second connecting terminals is connected with a corresponding first connecting terminal through the connecting line;
and/or the power supply end of any one of the plurality of third connecting terminals is connected with the corresponding first connecting terminal through the connecting line;
and/or the signal end of any one third connection sheet in the plurality of third connection terminals is connected with the corresponding first connection terminal through the connection line.
3. The connector according to claim 1, wherein the working faces of all the third connection terminals face in the same direction.
4. The connector of claim 1, wherein the body has a third connection male, the third connection end being disposed on the third connection male.
5. A connector according to claim 4, characterized in that the body is provided on its surface with a positioning structure designed to cooperate with the third connecting pin.
6. The connector according to claim 1, wherein a signal processing unit is disposed between the signal terminal of any one of the plurality of third connection terminals and the corresponding first connection terminal of the plurality of first connection terminals.
7. A connection cable, comprising a connection line module and the connector of any one of claims 1 to 6;
the connecting wire module comprises a metal wire component and an optical fiber component;
the metal wire assembly comprises a plurality of metal connecting wires;
the optical fiber assembly comprises a plurality of optical fibers;
the first end of any one of the plurality of metal connecting wires is connected with one of the plurality of second connecting terminals;
the first end of any one of the plurality of optical fibers is connected with the working face of one of the plurality of third connecting terminals.
8. The connection cable according to claim 7, wherein the first end of any one of the plurality of metal connection wires is bonded to the corresponding second connection terminal.
9. The connection cable of claim 7, further comprising a dock;
the connector has a first optical connection end and a second optical connection end;
the first optical connection end is provided with a plurality of optical fiber pressing line channels;
the second optical connection end is provided with a plurality of light emitting holes;
any one of the optical fiber pressing channels is communicated with the light emitting holes through a light guide flow channel;
the first end of any one of the optical fibers is pressed in one of the optical fiber pressing channels;
the connector is relatively fixed with the position of the main body, the second optical connecting end is connected with the third connecting end, and any one of the plurality of light emitting holes is opposite to the working face of one of the plurality of third connecting terminals.
10. The connection cable according to claim 9, wherein when the main body has a third male connection end and the third connection end is disposed on the third male connection end, the connector has a third female connection end, and the connector and the main body are fixed to each other by engagement of the third female connection end with the third male connection end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448998.8A CN113964600A (en) | 2021-12-01 | 2021-12-01 | Connector and connecting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448998.8A CN113964600A (en) | 2021-12-01 | 2021-12-01 | Connector and connecting cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113964600A true CN113964600A (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111448998.8A Pending CN113964600A (en) | 2021-12-01 | 2021-12-01 | Connector and connecting cable |
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| CN (1) | CN113964600A (en) |
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