CN207263971U - Single-fiber bidirectional optical device - Google Patents

Abstract

The utility model discloses a kind of single-fiber bidirectional optical device,Housing including metal material,Adapter,Optical transmitting set and optical receiver,The housing includes the first opposite interface,Second interface and with first interface,The 3rd vertical interface of second interface,The adapter is installed to the housing by first interface,The optical transmitting set is installed to the housing by second interface,The optical receiver is installed to the housing by the 3rd interface,The optical transmitting set includes the main part and some pins installed in second interface,The main part axial location is adjustably installed on second interface,So that when carrying out Z-direction adjusting,The adjusting of axial location need to be only carried out to the main part can find optimum position,Without carrying out Z-direction adjusting to the adapter,Also without using extra regulation ring.

Description

Single-fiber bidirectional optical device

Technical field

It the utility model is related to technical field of photo communication, more particularly to a kind of single-fiber bidirectional optical device.

Background technology

Single-fiber bidirectional optical device is the electrooptical device for integrating sending and receiving, using Optical multiplexing technology, in same root light The transmitting and reception of light are completed in fibre, the transmitted in both directions of data is achieved that using an optical fiber, it is identical due to having with double-fiber Function, so as to save optical fiber, reduces cost, is widely used at present in optic communication transmission.Single fiber in the industry at present The optical transmitting set of two-way optical device is fixed in the axial direction, and when carrying out Z-direction adjusting, single-fiber bidirectional optical device is suitable by adjusting The axial location of orchestration realizes that the outside of adapter is correspondingly arranged with regulation ring, regulation ring is fixed on adaptation by radium-shine On the outside of device.Although which realizes the adjusting of Z-direction, when doing the coupling of optical receiver, optical receiver just needs phase To adjustment Z-direction position, may be to causing optical receiver to adjust the problems such as space is inadequate, and the adjusting side in Z-direction Formula needs extra regulation ring, adds use and the manufacturing procedure of material, causes extra producing cost.Therefore, having must A kind of improved single-fiber bidirectional optical device is provided, there is improved Z-direction regulative mode, without adapter is adjusted, Also without using extra regulation ring, optical receiver can effectively be avoided in the uncertainty of Z-direction, and then improve work Skill, increase product reliability, convenient operation, cost-effective purpose.

Utility model content

The purpose of this utility model is to provide a kind of single-fiber bidirectional optical device, without adapter is adjusted, also without Extra regulation ring need to be used, can effectively avoid optical receiver in the uncertainty of Z-direction.

To achieve these goals, the single-fiber bidirectional optical device of the utility model, which includes the single-fiber bidirectional optical device, includes Housing, adapter, optical transmitting set and the optical receiver of metal material, the housing are inserted including the first opposite interface, second Interface and threeth interface vertical with first interface, second interface, the adapter pass through described One interface is installed to the housing, and the optical transmitting set is installed to the housing by second interface, described Optical receiver is installed to the housing by the 3rd interface, and the optical transmitting set includes being installed on second grafting The main part and some pins, the main part axial location of mouth are adjustably installed on second interface.

Compared with prior art, the single-fiber bidirectional optical device of the utility model is by by the main part axis of the optical transmitting set Adjustably be installed on second interface to position so that when carrying out Z-direction adjusting, only need to the main part into The adjusting of row axial location can find optimum position, without carrying out Z-direction adjusting to the adapter, also without using extra Regulation ring, without adjusting the adapter for the optical receiver equivalent to securing focal position so that Avoid uncertainty of the optical receiver in Z-direction, reached improvement technique, convenient operation, increase product reliability and Cost-effective purpose.

It is preferred that the axial length substantially phase of the axial length of second interface and the main part of the optical transmitting set When or more than the main part axial length, with provide the axially adjustable space of the main part be effectively ensured at the same time it is described Main part can be securely positioned in multiple positions.

It is preferred that the axial length of the axial length and the main part of second interface is roughly the same.

It is preferred that the main part of the optical transmitting set is installed on second interface by penetrating weldering.

It is preferred that being connected with cricoid docking section in the middle part of the one side wall of the housing, second interface is at least Part is enclosed to set by the docking section to be formed, and then is conducive to the miniaturization of the single-fiber bidirectional optical device entirety.

It is preferred that the adapter is close to be fixed in first interface, Z side is being carried out to single-fiber bidirectional optical device To adjusting when, the adapter remains fixed in first interface all the time.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of the single-fiber bidirectional optical device of the utility model embodiment.

Fig. 2 is the diagrammatic cross-section of the single-fiber bidirectional optical device of another embodiment of the utility model.

Fig. 3 is the dimensional structure diagram of the housing of single-fiber bidirectional optical device shown in Fig. 1.

Fig. 4 is the dimensional structure diagram at another visual angle of housing shown in Fig. 3.

Embodiment

To describe the technology contents of the utility model, construction feature, the effect realized in detail, below in conjunction with embodiment And attached drawing is coordinated to be explained in detail.

Please refer to Fig.1 to Fig.4, the single-fiber bidirectional optical device 100 includes housing 10, adapter 20, the light of metal material Transmitter 30 and optical receiver 40, the housing 10 include the first opposite interface 11, the second interface 12 and with it is described The 3rd vertical interface 13 of first interface 11, second interface 12, the adapter 20 pass through first grafting In the installation of mouth 11 to the housings 10, the optical transmitting set 30 is installed to the housing 10 by second interface 12, The optical receiver 40 is installed to the housing 10 by the 3rd interface 13.

Please refer to Fig.1 and Fig. 2, if the optical transmitting set 30 include installed in second interface 12 main part 31 and Main pipe foot 32,31 axial location of main part are adjustably installed on second interface 12.Compared with prior art, this reality With new single-fiber bidirectional optical device 100 by the way that 31 axial location of main part of the optical transmitting set 30 is adjustably installed on institute The second interface 12 is stated, so that when carrying out Z-direction adjusting, the adjusting of axial location need to be only carried out to the main part 31 Optimum position can be found, without carrying out Z-direction adjusting to the adapter 20, also without using extra regulation ring, without Need to adjust the adapter 20 for the optical receiver 40 equivalent to focal position is secured, so as to avoid described Optical receiver 40 has reached improvement technique, convenient operation, increase product reliability and has saved cost in the uncertainty of Z-direction Purpose.

It is continuous to please refer to Fig.1 and Fig. 2, it is preferred that the axial length of second interface 12 and the optical transmitting set 30 The axial length of main part 31 is roughly the same or axial length more than the main part 31, to provide the main part 31 The main part 31, which is effectively ensured, in axially adjustable space at the same time can be securely positioned in multiple positions；In the present embodiment, institute The axial length for stating the axial length and the main part 31 of the second interface 12 is roughly the same.It is preferred that the optical transmitting set 30 main part 31 is installed on second interface 12 by penetrating weldering.Ring is connected with the middle part of the one side wall of the housing 10 The docking section 14 of shape, at least part of second interface 12 is enclosed to set by the docking section 14 to be formed, and then is conducive to described The overall miniaturization of single-fiber bidirectional optical device 100.It is preferred that the adapter 20 is close to be fixed on first interface 11 Interior, when carrying out the adjusting of Z-direction to single-fiber bidirectional optical device 100, the adapter 20 remains fixed at described first all the time In interface 11.

Fig. 3 and Fig. 4 is referred to, the single-fiber bidirectional optical device 100 further includes 0 degree of filter plate for being arranged on the housing 10 And 45 degree of filter plate (not shown), 0 degree of filter plate are used for wavelength-filtered, 45 degree of filter plates can separate incident ray With emergent ray.The housing 10 has the chamber for connecting first interface 11, the second interface 12 and the 3rd interface 13 Body 15, the side wall of the cavity 15 inwardly stretch out supporting structure 16, the support in the position of neighbouring 3rd interface 13 The centre position of structure 16 formed with the first straight slot 161,0 degree of filter plate be sticked in the supporting structure 16 and with it is described First straight slot 161 corresponds to, and the side wall of the cavity 15 inwardly stretches out fixed structure 17 in the lower section of the supporting structure 16, described The centre position of fixed structure 17 forms the second straight slot 171 for connecting first interface 11 and second interface 12, The fixed structure 17 in the both sides of second straight slot 171 formed with the substantially 45 inclined binding faces 172 of degree, described 45 degree Filter plate is sticked on the binding face 172 and corresponding with 0 degree of filter plate.Compared with prior art, the cavity 15 Side wall inwardly stretch out supporting structure 16, the centre position of the supporting structure 16 in the position of neighbouring 3rd interface 13 Formed with the first straight slot 161,0 degree of filter plate be sticked it is in the supporting structure 16 and corresponding with first straight slot 161, So that 0 degree of filter plate and 45 degree of filter plates are sticked inside the housing 10, light path design are unified, has effectively kept away The generation of the decentraction phenomenon between 0 degree of filter plate and the optical receiver 40 is exempted from, moreover, effective by above-mentioned design Product structure is simplified, reduces process, improves efficiency, reduces cost.

Referring to Fig. 3, the supporting structure 16 includes what is inwardly stretched out from the side wall opposite sides of the cavity 15 respectively Two supporting parts 162, formed with first straight slot 161 between two supporting parts 162；Two supporting parts 162 are in adjacent institute State and be recessed to form two supporting surfaces 163 that are used to support 0 degree of filter plate and easy to place described 0 degree at the first straight slot 161 The two first of filter plate place notch 164, on the one hand can be to 0 degree of filter plate by the design of two supporting surfaces 163 More preferable positioning action is played, on the other hand can avoid touching between the optical receiver 40 and 0 degree of filter plate, effectively It ensure that the reliability of product.

Referring to Fig. 4, the fixed structure 17 in close to the side of first interface 11 formed with positioned at described the Two straight slots, 171 both sides are in substantially 45 degree of inclined two face of slope 173, and two face of slope 173 are in adjoining described second It is recessed to form two binding faces 172 and easy to place the two second of 45 degree of filter plates placement notches at straight slot 171 174, design is formed by the depression of the binding face 172, on the one hand can play more preferable positioning to 45 degree of filter plates Effect, on the other hand can avoid touching between the adapter 20 and 45 degree of filter plates, and be effectively ensured product can By property.It is preferred that the housing 10 is made up of powder metallurgy, in order to be molded the fixed structure 17 of the housing 10 and support Structure 16.

Above disclosed is only the preferred embodiments of the utility model, cannot limit the utility model with this certainly Interest field, therefore equivalent variations made according to present utility model application the scope of the claims still fall within the utility model and are covered Scope.

Claims (5)

1. a kind of single-fiber bidirectional optical device, it is characterised in that housing, adapter, optical transmitting set and light including metal material connect Receive device, the housing include the first opposite interface, the second interface and with first interface, second grafting The 3rd vertical interface of mouth, the adapter are installed to the housing by first interface, the optical transmitting set Installed by second interface to the housing, the optical receiver is installed to the shell by the 3rd interface In vivo, the optical transmitting set includes the main part installed in second interface and some pins, the main part axial direction position Put and be adjustably installed on second interface.

2. single-fiber bidirectional optical device as claimed in claim 1, it is characterised in that the axial length of second interface and institute State the main part of optical transmitting set axial length is roughly the same or axial length more than the main part.

3. single-fiber bidirectional optical device as claimed in claim 1, it is characterised in that the main part of the optical transmitting set is by penetrating Weldering is installed on second interface.

4. single-fiber bidirectional optical device as claimed in claim 1, it is characterised in that be connected with the middle part of the one side wall of the housing Cricoid docking section, at least part of second interface is enclosed to set by the docking section to be formed.

5. single-fiber bidirectional optical device as claimed in claim 1, it is characterised in that the adapter is close to be fixed on described first In interface.