CN208384175U - A kind of bimodulus optical connector - Google Patents
A kind of bimodulus optical connector Download PDFInfo
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- CN208384175U CN208384175U CN201821094439.5U CN201821094439U CN208384175U CN 208384175 U CN208384175 U CN 208384175U CN 201821094439 U CN201821094439 U CN 201821094439U CN 208384175 U CN208384175 U CN 208384175U
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Abstract
The utility model discloses a kind of bimodulus optical connectors, including plug and socket, single mode optical fiber female plug needle and multimode fibre female plug needle are provided on the plug, single mode optical fiber male plug needle and multimode fibre male plug needle are provided on the socket, the single mode optical fiber female plug needle is correspondingly arranged with the single mode optical fiber male plug needle, and the multimode fibre female plug needle is correspondingly arranged with the multimode fibre male plug needle；Bimodulus optical connector provided by the utility model can be realized while having the connection of the bimodulus optical cable of single mode optical fiber and multimode fibre, reduce the use cost, installation workload and occupancy screen cabinet space of connector；And merging precision is improved, contact pin is not easy to break.
Description
Technical field
The utility model relates to technical field of communication equipment, more particularly to a kind of bimodulus optical connector.
Background technique
Optical fiber can be divided into single mode optical fiber and multimode fibre by fibre core.Single mode optical fiber can only pass the light of one mode, intermode
Dispersion very little can be used for remote transmission, and dispersion is small, and transmission bandwidth is higher compared with multimode fibre, spectrum of such single mode optical fiber to light source
Wide and stability has higher requirement, i.e. spectrum width wants narrow, and stability will be got well；Multimode fibre can pass the light of various modes, but its mould
Between dispersion it is larger, be lost also big, which limits the distances of transmission digital signal, and can be more serious with the increase of distance.
With the development of intelligent substation technology, China also increasingly payes attention to the supervision control engineering of substation's power transmission line,
And most important link is the selection of transmission device in monitoring device in supervision control engineering, optical cable is indispensable as transmission device
Components especially play important role in supervision control engineering now in power network signal collection process.It is supervised in installation
When controlling device, often encounter single mode optical fiber of the monitoring device simultaneously more than two cores of needs and two cores and two cores and two cores with
Upper multimode fibre situation.Traditional optical fiber connection type be at the scene by single mode or multimode fibre by manual type and equipment or
Device welding, this mode production environment is poor, also higher to the requirement of construction personnel's technical level, therefore it is difficult to ensure that optical fiber welding
The reliability connect；The human cost of live processing and fabricating is also increased simultaneously.With the introduction and development of prefabricating technique, now I
Distinguish installs connector at multicore single mode optical cable and multicore multimode optical cable both ends by the way of prefabrication.In-site installation
When, as long as realizing the overlap joint of optical cable by simply plug.But traditional multicore prefabricated optical cable is easy to break there are contact pin
It splits, the problems such as optical fiber insertion loss is big, single mode optical fiber return loss is small；And this single mode fiber cable and multimode optical cable are led to respectively
Connector access circuit is crossed, and then the method that the optical signal in monitoring device separately accesses circuit can not only be occupied equipment by realization
Access space, it is even more impossible to meet under new policy about power system blockset, the demand of integration.
Therefore it provides a kind of bimodulus optical connector is become now urgently with solving disadvantages mentioned above present in the prior art
Technical problem to be solved.
Utility model content
The purpose of the utility model is to provide a kind of bimodulus optical connector, to solve above-mentioned of the existing technology ask
Topic, can be realized while having the connection of the bimodulus optical cable of single mode optical fiber and multimode fibre, reduce use cost, the peace of connector
It fills workload and occupies screen cabinet space；And merging precision is improved, contact pin is not easy to break.
To achieve the above object, the utility model provides following scheme:
The utility model provides a kind of bimodulus optical connector, including plug and socket, is provided with single mode on the plug
Optical fiber female plug needle and multimode fibre female plug needle are provided with single mode optical fiber male plug needle and multimode fibre male plug needle, institute on the socket
It states single mode optical fiber female plug needle to be correspondingly arranged with the single mode optical fiber male plug needle, the multimode fibre female plug needle and the multimode fibre
Male plug needle is correspondingly arranged.
Preferably, the single mode optical fiber female plug needle, the multimode fibre female plug needle, the single mode optical fiber male plug needle and described
Multimode fibre male plug needle is provided with multiple.
Preferably, the plug includes plug core and the plug casing that is set to outside the plug core body, described to insert
Multiple plug core passageways are provided on head core, the plug core passageway is for installing the single mode optical fiber female plug needle and institute
Multimode fibre female plug needle is stated, is additionally provided with guide pinhole on the plug core；The socket includes socket core and is set to institute
The Socket casing outside socket core body is stated, multiple socket core passageways are provided on the socket core, the socket core is logical
Road is additionally provided with guiding on the socket core for installing the single mode optical fiber male plug needle and the multimode fibre male plug needle
Needle, the guide pin are correspondingly arranged with the guide pinhole.
Preferably, the plug core include the first insulating core set gradually by top to bottom end, the second insulating core and
Third insulating core, wherein the first clamping portion being arranged on the core of first insulating core and the plug casing connects and fixes,
The first snap ring that the core of second insulating core is arranged with the plug casing bottom connects and fixes, the third insulating core with
The plug casing overflows excessively is elastically engaged fixation；The plug core passageway is through first insulating core, second insulation
Core and the third insulating core, the guide pinhole at the top of first insulating core towards bottom by opening up.
Preferably, the socket core includes the 4th insulating core, the 5th insulating core and the 6th insulating core, wherein the described 4th
Insulating core top is connected and fixed with the second clamping portion on the Socket casing, the 5th insulating core and the Socket casing bottom
Second snap ring of portion's setting connects and fixes, and the 6th insulating core and the Socket casing overflow excessively and be elastically engaged fixation；It is described to insert
Seat core passageway runs through the 4th insulating core, the 5th insulating core and the 6th insulating core, and the guide pin is set to
At the top of 4th insulating core, silicagel pad is additionally provided at the top of the 4th insulating core.
Preferably, a circlip, the circlip point are provided in the plug core passageway and the socket core passageway
Not Wei Yu first insulating core and the 4th insulating core bottom, the circlip is for fixing the single mode optical fiber female plug
Needle, the multimode fibre female plug needle, the single mode optical fiber male plug needle and the multimode fibre male plug needle.
Preferably, it is provided with convex key at the top of the plug casing, is provided at the top of the corresponding Socket casing and institute
The corresponding concave key of convex key is stated, and the bottom portion of groove is additionally provided with a sealing ring；
It is also arranged with an outer ring outside the plug casing, blocked hole, the socket are provided in the ring body of the outer ring
Pin corresponding with the blocked hole is provided on shell；
The outside of the plug casing is relatively set with third clamping portion and the 4th clamping portion, the third clamping portion top
It is provided with retaining ring, the 4th clamping portion bottom is provided with a waveform spring washer, and the 5th clamping portion of the outer ring bottom setting is solid
Due between the retaining ring and the waveform spring washer.
Preferably, the top of the single mode optical fiber female plug needle and the multimode fibre female plug needle is arranged with ceramic sleeve, institute
It states and is also arranged with metal sleeve outside ceramic sleeve.
Preferably, the top end face of the multimode fibre female plug needle and the multimode fibre male plug needle is the end face UPC or PC.
Preferably, the top end face of the single mode optical fiber female plug needle and the single mode optical fiber male plug needle is APC end face, the list
The top end face of mode fiber female plug needle and the single mode optical fiber male plug needle is the inclined-plane that the angle being correspondingly arranged is 7.5 °.
The utility model achieves following advantageous effects compared with the existing technology:
1, bimodulus optical connector provided by the utility model can be realized while having single mode optical fiber and multimode fibre
The connection of bimodulus optical cable reduces the use cost, installation workload and occupancy screen cabinet space of connector.
2, bimodulus optical connector provided by the utility model, the importing being arranged on the guide pin and plug being arranged on socket
Hole improves merging precision, and contact pin is easy insertion jack, the problem of being not in contact pin jack and be broken.
3, bimodulus optical connector provided by the utility model protects ceramic sleeve in ceramic sleeve added metal sleeve
In order to avoid rupturing, reliability, the plug number, connection precision of ceramic sleeve are improved.
4, bimodulus optical connector provided by the utility model, multimode contact pin end face are the end face UPC, the end single mode contact pins A PC
The transmission precision of optical fiber is improved in 7.5 ° of face, reduces insertion loss, improves return loss.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of bimodulus optical connector in the utility model；
Fig. 2 is the structural schematic diagram of plug in the utility model；
Fig. 3 is the structural schematic diagram of socket in the utility model；
Fig. 4 is the structural schematic diagram of single mode optical fiber female plug needle in the utility model；
Fig. 5 is the structural schematic diagram of single mode optical fiber male plug needle in the utility model；
In figure: 1- plug, 11- single mode optical fiber female plug needle, 12- multimode fibre female plug needle, 13- plug core, 14- jack shell
Body, 15- plug core passageway, 16- guide pinhole, 17- outer ring, 18- ceramic sleeve, 19- metal sleeve, the first insulating core of 131-,
The second insulating core of 132-, 133- third insulating core, the first clamping portion 141-, the first snap ring of 142-, 143- convex key, 144- third card
Socket part, the 4th clamping portion 145-, 146- retaining ring, 147- waveform spring washer, 151- circlip, 171- blocked hole, the 5th clamping portion 172-；
2- socket, 21- single mode optical fiber male plug needle, 22- multimode fibre male plug needle, 23- socket core, 24- Socket casing,
25- socket core passageway, 26- guide pin, the 4th insulating core of 231-, the 5th insulating core of 232-, the 6th insulating core of 233-, 241-
Two clamping portions, the second snap ring of 242-, 243- silicagel pad, 244- concave key, 245- sealing ring, 246- pin.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is of the existing technology to solve the problems, such as the purpose of the utility model is to provide a kind of bimodulus optical connector.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
The utility model provides a kind of bimodulus optical connector, as shown in Figure 1-3, including plug 1 and socket 2, on plug 1
It is provided with single mode optical fiber female plug needle 11 and multimode fibre female plug needle 12, single mode optical fiber male plug needle 21 and multimode are provided on socket 2
Optical fiber male plug needle 22, single mode optical fiber female plug needle 11 are correspondingly arranged with single mode optical fiber male plug needle 21, multimode fibre female plug needle 12 and more
Mode fiber male plug needle 22 is correspondingly arranged；Wherein, single mode optical fiber female plug needle 11, multimode fibre female plug needle 12, single mode optical fiber male plug needle
21 and multimode fibre male plug needle 22 be provided with multiple, specific number as needed can be with flexible modulation in manufacturing.
In the present embodiment, plug 1 includes plug core 13 and the plug casing 14 being set to outside plug core 13, plug
Multiple plug core passageways 15 are provided on core 13, plug core passageway 15 is for installing single mode optical fiber female plug needle 11 and multimode
Optical fiber female plug needle 12 is additionally provided with guide pinhole 16 on plug core 13；Socket 2 includes socket core 23 and is set to socket core
Socket casing 24 outside 23 is provided with multiple socket core passageways 25 on socket core 23, and socket core passageway 25 is for pacifying
Fill single mode optical fiber male plug needle 21 and multimode fibre male plug needle 22, be additionally provided with guide pin 26 on socket core 23, guide pin 26 with
Guide pinhole 16 is correspondingly arranged.
Specifically, plug core 13 includes the first insulating core 131, the second insulating core set gradually by top to bottom end
132 and third insulating core 133, wherein the first clamping portion 141 being arranged on the core of the first insulating core 131 and plug casing 14 is blocked
Fixation is connect, the first snap ring 142 that the core of the second insulating core 132 is arranged with 14 bottom of plug casing connects and fixes, third insulation
Core 133 and plug casing 14 overflow excessively is elastically engaged fixation；Plug core passageway 15 runs through the first insulating core 131, the second insulating core
132 and third insulating core 133, guide pinhole 16 is opened up by 131 top of the first insulating core towards bottom.
Socket core 23 includes the 4th insulating core 231, the 5th insulating core 232 and the 6th insulating core 233, wherein the 4th insulation
231 top of core is connected and fixed with the second clamping 241 on Socket casing 24, the 5th insulating core 232 and 24 bottom of Socket casing
The second snap ring 242 being arranged connects and fixes, and the 6th insulating core 233 overflows excessively with Socket casing 24 is elastically engaged fixation；Socket core
The 4th insulating core 231, the 5th insulating core 232 and the 6th insulating core 233 are run through in channel 25, and guide pin 26 is set to the 4th insulating core
At the top of 231, silicagel pad 243 is additionally provided at the top of the 4th insulating core 231, silicagel pad 243 is connected for sealing plug 1 and socket 2
Place, plays the role of dustproof and waterproof；
A circlip 151 is provided in plug core passageway 15 and socket core passageway 25, circlip 151 is located at first
The bottom of insulating core 131 and the 4th insulating core 231, circlip 151 is for fixing single mode optical fiber female plug needle 11, multimode fibre female plug needle
12, single mode optical fiber male plug needle 21 and multimode fibre male plug needle 22；Specific circlip 151 is connected to the first insulating core 131 and the 4th
The bottom of insulating core 231 can open circlip using specific purpose tool if female plug needle and male plug needle setup error or when needing replacing
151, that is, it can be taken off female plug needle or male plug needle, and do not have to dismantle internal insulating part.
In order to realize being reliably connected for plug 1 and socket 2, convex key 143 is provided in the present embodiment at the top of plug casing 14,
The top of corresponding Socket casing 24 is provided with concave key 244 corresponding with convex key 143, and it is fixed that convex key 143 and concave key 244 cooperate
Position；And it is additionally provided with a sealing ring 245 in 244 bottom of the groove of Socket casing 24, it is further ensured that plug 1 and socket 2 connect
Leakproofness afterwards；Further, it is also arranged with an outer ring 17 outside plug casing 14, is provided with blocked hole in the ring body of outer ring 17
171, pin 144 corresponding with blocked hole 171 is provided on Socket casing 24, specifically, blocked hole 171 and pin 144 can
It is multiple to be correspondingly arranged, after the convex key 143 of plug casing 14 is inserted into bottom by concave key 244 matched on Socket casing 24, rotation
Turn outer ring 17, is caught in the pin 144 on Socket casing 24 in the blocked hole 171 of outer ring 17, realizes and be connected and fixed.
For the fixed structure of outer ring 17, specifically, the outside of plug casing 14 is relatively set with third clamping 144 and the
Four clamping portions 145 are provided with retaining ring 146 at the top of third clamping portion 144, and 145 bottom of the 4th clamping portion is provided with a waveform spring washer
147, the 5th clamping portion 172 of 17 bottom of outer ring setting is fixed between retaining ring 146 and waveform spring washer 147.
In the present embodiment, as shown in figure 4, the top of single mode optical fiber female plug needle 11 and multimode fibre female plug needle 12 is arranged with pottery
Insulator cylinder 18 is also arranged with metal sleeve 19 outside ceramic sleeve 18；Ceramic sleeve 18 is that semi-closed sleeve elastic can open, set
On contact pin, tight fit improves the Dock With Precision Position of two contact pin end faces, ceramic sleeve 18 for the reliability for improving ceramic sleeve 18
Outside adds metal sleeve 19 fixed and protection.
In addition, in the present embodiment, because multimode does not require return loss, multimode fibre female plug needle 12 and multimode fibre male plug needle
22 top end face is UPC or PC spherical end surface, it is ensured that the insertion loss of bimodulus prefabricated optical cable connector is small, and return loss is high,
Realize reliable optical transport.
As illustrated in figures 4-5, in the present embodiment, the top end face of single mode optical fiber female plug needle 11 and single mode optical fiber male plug needle 21 is then
APC end face, and it is 7.5 ° that the top end face of single mode optical fiber female plug needle 11 and single mode optical fiber male plug needle 21, which is the angle being correspondingly arranged,
Inclined-plane, the setting on inclined-plane are the return loss in order to improve single mode optical fiber, and oblique angle is bigger, and return loss is better, but insertion loss
Increase, influences the loss of optical fiber transmission information.
The utility model applies specific case and is expounded to the principles of the present invention and embodiment, the above reality
The explanation for applying example is merely used to help understand the method and its core concept of the utility model；Meanwhile for the general of this field
Technical staff, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.To sum up,
The content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of bimodulus optical connector, it is characterised in that: including plug and socket, single mode optical fiber mother is provided on the plug
Contact pin and multimode fibre female plug needle are provided with single mode optical fiber male plug needle and multimode fibre male plug needle, the single mode on the socket
Optical fiber female plug needle is correspondingly arranged with the single mode optical fiber male plug needle, the multimode fibre female plug needle and the multimode fibre male plug needle
It is correspondingly arranged.
2. bimodulus optical connector according to claim 1, it is characterised in that: the single mode optical fiber female plug needle, described more
Mode fiber female plug needle, the single mode optical fiber male plug needle and the multimode fibre male plug needle are provided with multiple.
3. bimodulus optical connector according to claim 2, it is characterised in that: the plug includes plug core and setting
Plug casing outside the plug core body is provided with multiple plug core passageways, the plug core on the plug core
Body channel is additionally provided on the plug core and leads for installing the single mode optical fiber female plug needle and the multimode fibre female plug needle
Pin hole；The socket includes socket core and the Socket casing that is set to outside the socket core body, is set on the socket core
Multiple socket core passageways are equipped with, the socket core passageway is for installing the single mode optical fiber male plug needle and the multimode fibre
Male plug needle is additionally provided with guide pin on the socket core, and the guide pin is correspondingly arranged with the guide pinhole.
4. bimodulus optical connector according to claim 3, it is characterised in that: the plug core include by top on earth
Hold the first insulating core, the second insulating core and the third insulating core that set gradually, wherein the core of first insulating core with it is described
The first clamping portion being arranged on plug casing connects and fixes, and the core of second insulating core and the plug casing bottom are arranged
The first snap ring connect and fix, the third insulating core and the plug casing overflow excessively is elastically engaged fixation；The plug core
First insulating core, second insulating core and the third insulating core are run through in channel, and the guide pinhole is exhausted by described first
It is opened up at the top of edge core towards bottom.
5. bimodulus optical connector according to claim 4, it is characterised in that: the socket core includes the 4th insulation
Core, the 5th insulating core and the 6th insulating core, wherein the second clamping portion on the 4th insulating core top and the Socket casing
It connects and fixes, the second snap ring that the 5th insulating core is arranged with the Socket casing bottom connects and fixes, the 6th insulation
Core and the Socket casing overflow excessively is elastically engaged fixation；The socket core passageway runs through the 4th insulating core, the described 5th
Insulating core and the 6th insulating core, the guide pin are set at the top of the 4th insulating core, at the top of the 4th insulating core
It is additionally provided with silicagel pad.
6. bimodulus optical connector according to claim 5, it is characterised in that: the plug core passageway and the socket
A circlip is provided in core passageway, the circlip is located at the bottom of first insulating core and the 4th insulating core
Portion, the circlip for fix the single mode optical fiber female plug needle, the multimode fibre female plug needle, the single mode optical fiber male plug needle and
The multimode fibre male plug needle.
7. bimodulus optical connector according to claim 6, it is characterised in that: be provided at the top of the plug casing convex
Key is provided with concave key corresponding with the convex key at the top of the corresponding Socket casing, and the concave key bottom is additionally provided with
One sealing ring；
It is also arranged with an outer ring outside the plug casing, blocked hole, the Socket casing are provided in the ring body of the outer ring
On be provided with pin corresponding with the blocked hole；
The outside of the plug casing is relatively set with third clamping portion and the 4th clamping portion, setting at the top of the third clamping portion
There is retaining ring, the 4th clamping portion bottom is provided with a waveform spring washer, and the 5th clamping portion of the outer ring bottom setting is fixed on
Between the retaining ring and the waveform spring washer.
8. bimodulus optical connector according to claim 1, it is characterised in that: the single mode optical fiber female plug needle and described more
The top of mode fiber female plug needle is arranged with ceramic sleeve, is also arranged with metal sleeve outside the ceramic sleeve.
9. bimodulus optical connector according to claim 1, it is characterised in that: the multimode fibre female plug needle and described more
The top end face of mode fiber male plug needle is the end face UPC or PC.
10. bimodulus optical connector according to claim 1, it is characterised in that: the single mode optical fiber female plug needle and described
The top end face of single mode optical fiber male plug needle is APC end face, the top of the single mode optical fiber female plug needle and the single mode optical fiber male plug needle
Face is the inclined-plane that the angle being correspondingly arranged is 7.5 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094439.5U CN208384175U (en) | 2018-07-11 | 2018-07-11 | A kind of bimodulus optical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094439.5U CN208384175U (en) | 2018-07-11 | 2018-07-11 | A kind of bimodulus optical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208384175U true CN208384175U (en) | 2019-01-15 |
Family
ID=64963802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821094439.5U Active CN208384175U (en) | 2018-07-11 | 2018-07-11 | A kind of bimodulus optical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208384175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646355A (en) * | 2018-07-11 | 2018-10-12 | 慈溪市南瑞电器有限公司 | A kind of bimodulus optical connector |
| CN108646355B (en) * | 2018-07-11 | 2024-09-03 | 慈溪市南瑞电器有限公司 | Dual-mode optical cable connector |
-
2018
- 2018-07-11 CN CN201821094439.5U patent/CN208384175U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646355A (en) * | 2018-07-11 | 2018-10-12 | 慈溪市南瑞电器有限公司 | A kind of bimodulus optical connector |
| CN108646355B (en) * | 2018-07-11 | 2024-09-03 | 慈溪市南瑞电器有限公司 | Dual-mode optical cable connector |
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