CN213149301U - All-in-one tail fiber interface for intelligent substation - Google Patents

Abstract

The utility model discloses an all-in-one tail fiber interface for an intelligent substation, which comprises an ST tail fiber interface, the ST tail fiber interface is movably connected with the ST tail fiber interface to form a ST-ST basic model tail fiber, the ST-ST basic model tail fiber is simultaneously provided with conversion interfaces with 3 models, the conversion from the ST interface to the LC, FC and SC interfaces can be realized, the connection between the conversion interface and the ST interface of the tail fiber adopts a welding-imitating connection mode similar to a flange, the connection tightness degree of the interfaces can meet the requirements of light attenuation and loss, thereby realizing the purpose of flexibly replacing various types of pigtail interfaces, the conversion interface is divided into two ends, one end is used for connecting the optical port of a device or an instrument, and the other end is used for flexibly butting the tail fiber, and both ends of the tail fiber are provided with knob type dust covers so as to prevent dust and dirt from accumulating to influence light path transmission. The designed conversion interface is light and small, and the matched latticed transparent plastic box is used for being matched and carried conveniently and quickly.

Description

All-in-one tail fiber interface for intelligent substation

Technical Field

The utility model belongs to the technical field of the tail optical fiber interface, specifically be an all-in-one tail optical fiber interface for intelligent substation.

Background

Along with the popularization of intelligent substations, the daily operation and rush repair of secondary substation maintainers are increased, the overhaul and debugging of the intelligent substation equipment are fundamentally different from those of conventional substations, an optical digital calibrator is mainly relied on, and during debugging, the input and output optical ports of a tester need to be connected with debugged equipment through tail fibers so as to realize the correct transmission of optical digital signals. At present, the design standards of optical digital check meters produced by various manufacturers in China are not completely unified, particularly, the types of output optical ports of the test instruments are greatly different, namely, an ST interface (commonly called round port) and an LC interface (commonly called square port) are used, and the optical ports of corresponding debugged equipment (protection and measurement and control devices) are different according to different standards of manufacturers, such as the ST interface commonly used by south self intelligent station equipment, devices basically adopting the LC interface in south China successively protection, devices adopting interfaces of APC, FC, SC and the like are also used by other manufacturers, a tail fiber is generally composed of two tail fiber interfaces and an optical fiber part, according to the condition of field equipment, the condition of the tail fiber interfaces which are used in emergency repair during secondary equipment maintenance of the intelligent station is generally 10, namely, when a transformer secondary maintainer goes to the intelligent station and goes to the intelligent station, and the defect is eliminated, under the premise that the condition of the field equipment interfaces is unknown, need prepare the tail optical fiber of 10 models just can guarantee to take the tail optical fiber to connect can 100% adaptation field device interface, during the debugging of intelligent station, some devices relate to light circuit quantity many, and the demand of an average used same kind of tail optical fiber of a protection device of maintenance is 3 ~ 5 roots on a large scale, simultaneously, consider that the tail optical fiber is fragile, damage, belong to the consumables, every model also needs reserve 1 ~ 2 roots, this means that the tail optical fiber quantity that maintainer need hand-carry is about: 10 [ (3+5)/2+1] ═ 50 pieces, the number and the weight of carrying equipment are greatly increased, and the equipment is not easy to find and arrange when in use.

Therefore, in the daily maintenance action, the situation that the carried tail fiber interface is not matched with the calibrator or the field protection device is frequently encountered, only the retracing unit can be replaced, the field emergency repair processing time is increased invisibly, the power transmission is delayed, the processing of the common crisis defects is often delayed for seconds, the maintenance personnel can not know the situation of the suddenly abnormal field equipment clearly before going to the field, and the situation that the carried tail fiber model is not matched with the field device is also frequently generated. Therefore, the idea of 'all-in-one mobile phone charging data line' is expanded, and an all-in-one pigtail interface which is universal for the types of the common pigtail interfaces of the ST, LC, FC and SC intelligent stations is developed, so that the method is suitable for the non-uniformity of the pigtail interfaces of the intelligent station maintenance equipment and the uncertainty of the pigtail interfaces of the emergency repair and defect elimination equipment, the defect elimination efficiency of the intelligent substation of substation secondary maintenance personnel is improved, the power failure time is shortened, and the power supply reliability is ensured. Therefore, the structure of the tail fiber interface needs to be improved, and an all-in-one tail fiber interface for an intelligent substation is provided, so that the problem provided above can be better solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems proposed above, an all-in-one pigtail interface for an intelligent substation is provided.

The utility model adopts the technical scheme as follows:

the utility model provides an all-in-one tail optical fiber interface for intelligent substation, includes ST tail optical fiber interface, ST tail optical fiber interface and ST tail optical fiber interface swing joint constitute the basic model tail optical fiber of ST-ST, and can have the equipment receiving terminal plug requirement of ST, LC, FC, the four kinds of interfaces of SC simultaneously concurrently, the relevant index and the requirement of the basic model tail optical fiber of ST-ST can satisfy the relevant standard of intelligent substation secondary equipment and on-the-spot operation requirement.

In a preferred embodiment, the ST-ST basic type pigtails are simultaneously provided with 3 types of conversion interfaces, that is, the ST interface can be converted into three types of interfaces of LC, FC and SC, and a group of pigtails is provided with two sets of conversion interfaces, that is, the pigtails with 10 different interfaces can be rapidly converted.

In a preferred embodiment, the single-side ST interface of the ST-ST interface pigtail can be converted into three interfaces of LC, FC and SC, and two sets of conversion connectors are matched with the basic pigtail passing through one set of ST-ST interface.

In a preferred embodiment, the conversion interface and the tail fiber ST interface are connected in a welding-simulated connection manner similar to a flange, a knob buckle type design is adopted, and the connection tightness of the interfaces can meet the requirements of light attenuation and loss.

In a preferred embodiment, the conversion interface is divided into two ends, one end is used for connecting an optical port of a device or an instrument, the other end is used for flexibly connecting a tail fiber, and both ends are provided with knob type dust covers.

In a preferred embodiment, the two sets of the switching connectors have 6 switching interfaces, and each set has three switching interfaces.

In conclusion, due to the adoption of the technical scheme, the utility model has the advantages that the all-in-one pigtail provided by the project has adjustable multiple optical fiber interfaces, can meet the plugging and unplugging requirements of the equipment receiving end of the ST, LC, FC and SC interfaces, and the relevant indexes and requirements can meet the relevant standards and field use requirements of the secondary equipment of the intelligent substation. The temperature and humidity sensor has the characteristics of low insertion loss, strong durability, good interchange and mutual insertion, strong temperature and humidity stability, strong electromagnetic interference stability and the like.

1. The utility model discloses in, the tail optical fiber quantity and the weight of the personal configuration of secondary maintainer have been reduced, it reduces the configuration that is 1 root basis tail optical fiber +2 group conversion interfaces (3 kinds of conversion heads of interface of every group) to carry about 50 tail optical fibers of a bale to disappear to lack from original at every turn intelligent station, the cost of a conversion interface is less than the cost of a conventional tail optical fiber, in other words, only need about 7 tail optical fibers's cost, can realize 50 different model tail optical fibers's value, and the scheme that this project proposed carries more easily, convenient storage, use swiftly, it is low to have insertion loss, the durability is strong, it is good to exchange interlude nature, temperature and humidity stability and characteristics such as electromagnetic interference stability are strong.

2. The utility model discloses in, the development of all-in-one tail optical fiber interface will effectively solve the inconsistent contradiction of intelligent station debugging equipment interface and station interior equipment interface standard, reduces substantially because of tail optical fiber interface model mismatch for intelligent station overhauls the time cost and the human cost that increase, improves the disappearance efficiency and the success rate that secondary maintainer intelligent station was salvageed to electric wire netting equipment power off time has been shortened, has improved the reliability of power supply.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the middle pigtail interface of the present invention;

fig. 3 shows a combination of the types of the pigtail interfaces of the common secondary devices of the intelligent station.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, an all-in-one pigtail interface for an intelligent substation comprises an ST pigtail interface and an ST pigtail interface, wherein the ST pigtail interface is movably connected with the ST pigtail interface to form an ST-ST basic model pigtail, and can simultaneously meet the plugging and unplugging requirements of equipment receiving ends of four interfaces of ST, LC, FC and SC, the relevant indexes and requirements of the ST-ST basic model pigtail can meet the relevant standards and field use requirements of secondary equipment of the intelligent substation, the ST-ST basic model pigtail is simultaneously provided with conversion interfaces of 3 models, so that the conversion from the ST interface to three interfaces of LC, FC and SC can be realized, one group of pigtails is provided with two conversion interfaces to realize the rapid conversion of the 10 different interface pigtails, the ST interface on the single side of the ST-ST interface pigtail can be converted into three interfaces of LC, FC and SC, and the ST-ST interface is provided with two groups of conversion connectors through the basic pigtail of the one group of ST-ST, can realize the quick switching of 10 kinds of different interface tail optical fibers, 6 conversion interfaces are total to two sets of crossover sub, and every group has three kinds of conversion interfaces, the imitative butt fusion formula connected mode that the connection of conversion interface and tail optical fiber ST interface adopts and is similar to the flange, adopt knob buckle formula design, and the inseparable degree of linking up of interface can reach the requirement of light decay and loss, thereby realize the nimble purpose of changing of multiple type tail optical fiber interface, the conversion interface divide into both ends, one end is used for the light mouth of connecting device or instrument, one end is used for nimble butt joint tail optical fiber in addition, both ends are all furnished with knob formula shield, in order to prevent the dust, the dirt is piled up and is influenced the light path transmission. The designed conversion interface is light and small, and the matched latticed transparent plastic box is used for being matched and carried conveniently and quickly.

The working principle is as follows: in the application, after the ST pigtail interface is movably connected with the ST pigtail interface to form the basic model of the ST-ST pigtail, the specific implementation plan is as follows:

1. drawing design is carried out on the all-in-one tail fiber interface, and the method relates to butt joint and flexible disassembly parts of four common tail fiber interfaces of ST, LC, FC and SC;

2. manufacturing a sample of the all-in-one tail fiber interface;

3. testing various parameter indexes of optical attenuation, insertion loss, return loss, plugging times, durability, anti-interference and the like of the all-in-one tail fiber so as to meet the relevant standards of secondary equipment of the intelligent station and the field use requirements;

4. the method is used for on-site trial in a power transformation secondary overhaul team for 3 months, and feedback investigation is carried out to improve the product performance.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The utility model provides an all-in-one tail optical fiber interface for intelligent substation, includes ST tail optical fiber interface, its characterized in that: the ST tail fiber interface is movably connected with the ST tail fiber interface to form an ST-ST basic model tail fiber, and the device receiving end plugging and unplugging requirements of the ST, LC, FC and SC interfaces can be met simultaneously.

2. The all-in-one pigtail interface for the intelligent substation of claim 1, wherein: the ST-ST basic model tail fiber is provided with 3 types of conversion interfaces at the same time, so that the conversion from the ST interface to three interfaces of LC, FC and SC can be realized, and the quick conversion of 10 different interface tail fibers can be realized by matching one group of tail fibers with two sets of conversion interfaces.

3. The all-in-one pigtail interface for the intelligent substation of claim 1, wherein: the ST-ST interface tail fiber single-side ST interface can be converted into three interfaces of LC, FC and SC, and two groups of conversion connectors are matched with the basic tail fiber of one group of ST-ST interfaces.

4. The all-in-one pigtail interface for the intelligent substation of claim 2, wherein: the conversion interface is connected with the ST interface of the tail fiber in a mode similar to a flange in a simulated welding mode, a knob buckling type design is adopted, and the connection tightness degree of the interfaces can meet the requirements of light attenuation and loss.

5. The all-in-one pigtail interface for the intelligent substation of claim 2, wherein: the conversion interface is divided into two ends, one end is used for connecting a light port of a device or an instrument, the other end is used for flexibly butting tail fibers, and both ends of the conversion interface are provided with knob type dust covers.

6. The all-in-one pigtail interface for an intelligent substation of claim 3, wherein: the two groups of conversion joints have 6 conversion interfaces, and each group has three conversion interfaces.

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