CN205992073U - A kind of ferrule for power equipment and electronic current mutual inductor - Google Patents
A kind of ferrule for power equipment and electronic current mutual inductor Download PDFInfo
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- CN205992073U CN205992073U CN201620794358.0U CN201620794358U CN205992073U CN 205992073 U CN205992073 U CN 205992073U CN 201620794358 U CN201620794358 U CN 201620794358U CN 205992073 U CN205992073 U CN 205992073U
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Abstract
This utility model is related to a kind of ferrule for power equipment and electronic current mutual inductor, this ferrule includes optical fiber body, epoxy glass fiber pipe and umbrella sheath, epoxy glass fiber pipe is the hollow pipe of epoxy glass fiber coiling molding, optical fiber body penetrates from one end of epoxy glass fiber pipe and passes from the other end through the hollow space within epoxy glass fiber pipe, hollow space is filled with gas or oil, through the two ends sealing of the epoxy glass fiber pipe of optical fiber body, umbrella sheath is arranged on the outer surface of epoxy glass fiber pipe.The ferrule that this is used for power equipment can reduce the requirement to technique, and has the advantages that good electric property and security performance are high, and its polarization maintaining optical fibre characteristic also meets the use demand of electronic current mutual inductor.
Description
Technical field
This utility model is related to a kind of electrical equipment technical field, particularly a kind of ferrule for power equipment and
Electronic current mutual inductor using above-mentioned ferrule.
Background technology
Current transformer is the visual plant of relay protection and electric energy metrical in power system, for measuring the electricity in transmission
Stream size, and the size of current measuring is sent to measuring instrument and protective relaying device.Its long-time stability, reliability,
Safety is closely related with the safe and stable operation of power system.All-fiber current transformator be based on Faraday magnetooptical effect and
Ampere circuit law, using digital control technology, the features such as have safe and accurate, alternating current-direct current compatible measurement, adapts to intelligent grid
New demand.All-fiber current transformator includes sensing unit, collecting unit and polarization maintaining optical fibre, is carried out once by polarization maintaining optical fibre
Signal transmission between secondary.
The polarization maintaining optical fibre (abbreviation optical fiber) being traditionally used for power equipment is generally arranged at formation ferrule in sleeve pipe, and
Fill glue between optical fiber and sleeve pipe, this fiber strength difference is easily affected performance by stress extruding, and optical fiber in this ferrule
Air gap is occurred because the coefficient of expansion is different under high/low temperature, in use, carrying out one between glue and between glue and sleeve pipe
Secondary secondary between signal transmission, that is, from high voltage to low-voltage transmission signal when, the air gap existing can affect Electric Field Distribution, leads
Send a telegraph field uneven, discharge scenario occur, impact electric property and electric field environment, and long-time use after can because wetly and
Impact security performance.
Another ferrule is that optical fiber is set to tightly set type polarization maintaining optical fibre, is that sheath closely surrounds fibre core appearance
Face, need to set reeded expoxy glass steel drum using an outer surface, and tight set type polarization maintaining optical fibre is wound on expoxy glass steel drum
In groove, this technology has the drawback that needs expoxy glass steel drum is slotted, and this has higher requirement to technique, and to appearance
The surface smoothness that face sets reeded expoxy glass steel drum also requires, additionally, being to be consolidated by segmentation dispensing when mounted
Determine optical fiber, whole technical process is sufficiently complex, and due to expanding with heat and contract with cold so that optical fiber haves such problems as poor reliability.
Utility model content
This utility model leads to affect electric property because there is air gap for the ferrule being traditionally used for power equipment
Have such problems as that technological requirement is high and complex process with security performance and being wound in fiber glass epoxy chimb, provide
A kind of new ferrule for power equipment, can reduce the requirement to technique, and have good electric property and peace
The advantages of performance is high entirely, can preferably meet the use demand of electronic current mutual inductor.This utility model further relates to one kind and adopts
Electronic current mutual inductor with above-mentioned ferrule.
The technical solution of the utility model is as follows：
A kind of ferrule for power equipment is it is characterised in that include optical fiber body, epoxy glass fiber pipe and umbrella
Skirt sheath, described epoxy glass fiber pipe is the hollow pipe of epoxy glass fiber coiling molding, and described optical fiber body is from epoxy glass
One end of glass fiber pipe penetrates and passes from the other end through the hollow space within epoxy glass fiber pipe, and described hollow space fills
There are gas or oil, through the two ends sealing of the epoxy glass fiber pipe of optical fiber body, described umbrella sheath is arranged on expoxy glass
The outer surface of fiber pipe.
Described optical fiber body includes thermoplastic resin sheath and fibre core, and described thermoplastic resin sheath is closely coated on fibre core
Outer surface.
The fiber-reinforced composite being provided with line style in thermoplastic resin sheath in described optical fiber body along its length is moulded
Material, described fibre-reinforced plastics are in left and right and/or setting symmetrical above and below along the axis direction of thermoplastic resin sheath.
The radial section direction of described optical fiber body includes fibre core, aramid fiber and optical fiber jacket from inside to outside, and described optical fiber is originally
Body two ends are blocked by glue.
When described hollow space is filled with gas, described gas be sulfur hexafluoride gas or nitrogen, or sulfur hexafluoride gas and
The gaseous mixture of nitrogen；When described hollow space is filled with oil, described oil is mineral oil；
And/or, the two ends of described epoxy glass fiber pipe are provided with for fixing flange.
A kind of electronic current mutual inductor using above-mentioned ferrule.
Described electronic current mutual inductor is all-fiber current transformator, one end of the optical fiber body in described ferrule
It is connected with the sensing unit of all-fiber current transformator, the other end of the described optical fiber body hollow bulb through epoxy glass fiber pipe
Divide and be connected with the collecting unit of all-fiber current transformator after passing.
Described all-fiber current transformator when installing application with intelligent isolation circuit breakers, adopt by described epoxy glass fiber pipe
With the sleeve pipe of intelligent isolation circuit breakers, described sensing unit is arranged on the sleeve upper end portion of intelligent isolation circuit breakers, optical fiber body
Pass through the inside pipe casing of intelligent isolation circuit breakers, casing shoe portion draws optical fiber body and connects to collecting unit.
Described all-fiber current transformator is column support type or suspension type all-fiber current transformator, described full optical-fiber current mutual inductance
Device installs application with column support type insulator or with suspension insulator, and described sensing unit is arranged on column support type insulator or suspension type is exhausted
In the gold utensil of the upper end of edge, described epoxy glass fiber pipe adopts column support type insulator or suspension insulator, optical fiber body
Through the inside of column support type insulator or suspension insulator, optical fiber body is drawn in column support type insulator or suspension insulator bottom
Connect to collecting unit.
Described optical fiber body is integral type or both mutual weldings with the optical fiber of sensing unit.
Technique effect of the present utility model is as follows：
The ferrule for power equipment that this utility model provides is it is adaptable to electronic current mutual inductor is preferably as entirely
The power equipments such as optical fiber current mutual inductor application when once secondary between signal transmission, including optical fiber body, epoxy glass
Glass fiber pipe and umbrella sheath, optical fiber body penetrates and through within epoxy glass fiber pipe from one end of epoxy glass fiber pipe
Hollow space passes from the other end, and hollow space is filled with gas or oil, through the two ends of the epoxy glass fiber pipe of optical fiber body
Sealing, hollow space within from epoxy glass fiber pipe for the optical fiber body passes through, and is filled with gas or oil, gas in hollow space
Or oil plays the effect of arc extinguishing insulation, it is to avoid traditional ferrule is because between optical fiber body and the epoxy glass fiber pipe
Filling glue can have that air gap leads to electric field uneven thus affecting electric property and security performance, light of the present utility model
When from high voltage to low-voltage transmission signal, Electric Field Distribution is unaffected being not in more electric discharge phenomena fiber coating pipe, can
Used with long-time, improve security performance.Optical fiber body directly passes through inside expoxy glass fibre pipe, i.e. direct puncture formula need not
Groove is set in the outer surface of epoxy glass fiber pipe, without the surface smoothness being strict with epoxy glass fiber pipe, fall
The requirement of the low processing technology to epoxy glass fiber pipe, reduces cost, optical fiber body is easily installed, and reduces whole work
Skill process, structure is also fairly simple, has the advantages that good electric property and security performance are high, and its polarization maintaining optical fibre characteristic also meets
The use requirement of electronic current mutual inductor.Umbrella sheath is arranged on the outer surface of epoxy glass fiber pipe, protects optical fiber body
The plug being formed with epoxy glass fiber pipe is from climatic effect and galvanic action, and provides required creep age distance.
Optical fiber body preferably includes thermoplastic resin sheath and fibre core, and thermoplastic resin sheath is closely coated on the outer of fibre core
Surface forms a kind of tight set type polarization maintaining optical fibre of ad hoc structure so that whole optical fiber body has the section tamped completely, does not deposit
In space, thermoplastic resin sheath is not understood as the exocuticle of optical fiber body, alternatively referred to as insulated cable exocuticle or optical cable shield
Set, using the insulated cable exocuticle Water-proof and oil-proof of resistant to elevated temperatures thermoplastic resin material, corrosion-resistant, fire-retardant, can tolerate for a long time
Sulfur hexafluoride gas and its under high voltages analyte (as subfluoride and Fluohydric acid .) environment that may be present, effectively ensure
The electrical insulation properties of optical fiber body, can keep good electrical property in extensive temperature and frequency range；And have relatively
High thermostability, excellent resistance to water；Anti-flammability is good, has self-extinguishment and not halogen-containing, nontoxic environmentally friendly.This tightly covers
Type polarization maintaining optical fibre has the anti-tensile comprcssive strength more much higher than existing polarization maintaining optical fibre, such as on length direction tensile strength up to
80-100N, comprcssive strength short-term is up to 150N/dm；Long-term 25N/dm, can arrive -40 DEG C -+85 DEG C using temperature range, and it is protected partially
Optic fibre characteristic preferably meets the use requirement of electronic current mutual inductor.
Preferably arrange wired in the thermoplastic resin sheath in the optical fiber body that this utility model provides along its length
The fibre-reinforced plastics of type, and its along thermoplastic resin sheath axis direction be in left and right and/or setting symmetrical above and below, should
Fibre-reinforced plastics can be described as being line feeder, plays the anti-tensile anti-compression property strengthening polarization maintaining optical fibre body further, improves
The electric property of whole polarization maintaining optical fibre and reliability.
Optical fiber body can also adopt loose dwelling structure, and the radial section direction of preferred fiber body includes fibre from inside to outside
Core, aramid fiber and optical fiber jacket, optical fiber body two ends are blocked by glue that is to say, that sealing optical fiber body two ends thus avoiding
Between fibre core and aramid fiber, between aramid fiber itself, aramid fiber and optical fiber jacket due to expanding with heat and contract with cold, there is the variety of problems of air gap generation,
On the optical fiber body of this structure such as length direction, up to 60-100N, comprcssive strength short-term is up to 500N/dm for tensile strength；For a long time
100N/dm, does and takes which during hot and cold vacuum test, -40 DEG C -+70 DEG C of temperature range, vacuum 7x10-5Pa, each follows
Ring 144hrs, 5 circulations, working properly altogether, any leakage does not occur, its polarization maintaining optical fibre characteristic equally can preferably meet
The use requirement of electronic current mutual inductor.
This utility model further relates to protect the electronic current mutual inductor using above-mentioned ad hoc structure ferrule, preferably suitable
With all-fiber current transformator, electric including sensing unit, collecting unit and the above-mentioned ad hoc structure of this utility model and height
The ferrule of performance safety performance, disclosure satisfy that the requirement of intelligent substation, is conducive to expanded application.This full optical-fiber current
When transformer installs application with intelligent isolation circuit breakers, epoxy glass fiber pipe can directly adopt the set of intelligent isolation circuit breakers
Manage, that is, optical fiber body passes through the inside pipe casing of intelligent isolation circuit breakers, using original for intelligent isolation circuit breakers sleeve pipe as this reality
With the epoxy glass fiber pipe in novel optical fiber sleeve pipe, farthest utilize intelligent isolation circuit breakers self structure, reduce into
This, and make possess compatibility between this utility model ferrule and intelligent isolation circuit breakers, improve full optical-fiber current mutual
Sensor and the integrated level of intelligent isolation circuit breakers.This all-fiber current transformator is as column support type or suspension type full optical-fiber current mutual inductance
During device, the column support type insulator being arranged by the use of script or suspension insulator, as epoxy glass fiber pipe, are farthest utilized
Column support type insulator or suspension insulator self structure, reduces cost, improve the collection of all-fiber current transformator and insulator
Cheng Du.
Brief description
Fig. 1 is used for a kind of preferred structure schematic diagram of the ferrule of power equipment for this utility model.
Fig. 2 a and Fig. 2 b is used for two kinds of section knots of the optical fiber body in the ferrule of power equipment for this utility model
Structure schematic diagram.
The cross section structure that Fig. 3 is used for preferably optical fiber body in the ferrule of power equipment for this utility model is illustrated
Figure.
Fig. 4 is used for another kind of preferred structure schematic diagram of the ferrule of power equipment for this utility model.
Fig. 5 is the structural representation that all-fiber current transformator of the present utility model and intelligent isolation circuit breakers install application
Figure.
Fig. 6 is that the structure that all-fiber current transformator of the present utility model is applied for column support type all-fiber current transformator is shown
It is intended to.
Fig. 7 is the structural representation that all-fiber current transformator of the present utility model is applied for suspension type all-fiber current transformator
Figure.
The each label of in figure lists as follows：
1- optical fiber body；101- fibre core；102- thermoplastic resin sheath；103- fibre-reinforced plastics；104-
Aramid fiber；105- optical fiber jacket；2- epoxy glass fiber pipe；3- umbrella sheath；4- flange；5- sealing structure；6- is sensitive
Unit；The sleeve pipe of 7- intelligence isolation circuit breakers；8-SF6 gas；9- coating steel pipe；10- switch board；11- collecting unit；
12- column support type insulator；13- busbar；14- suspension insulator；15- anchor ear；16- pipe is female.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is illustrated.
This utility model is related to a kind of ferrule for power equipment it is adaptable to as (excellent in electronic current mutual inductor
Select all-fiber current transformator) etc. power equipment application when once secondary between signal transmission, the knot of this ferrule
Structure as shown in Figure 1 and Figure 4, including optical fiber body 1, epoxy glass fiber pipe 2 and umbrella sheath 3.This epoxy glass fiber pipe 2 has
Body is the hollow pipe of epoxy glass fiber coiling molding, and alternatively referred to as hollow epoxy glass fiber coiling formed pipe, in order to more
Clearly show that, the semi-cutaway that embodiment illustrated in fig. 4 shows, optical fiber body 1 passes through from the hollow space of epoxy glass fiber pipe 2,
That is, optical fiber body 1 penetrates and through the hollow bulb within epoxy glass fiber pipe 2 from one end of epoxy glass fiber pipe 2
Point pass from the other end, this hollow space Inflatable or oil-filled, gas be generally sulfur hexafluoride gas or nitrogen or both
Gaseous mixture, oil is generally mineral oil such as transformer oil etc., and the arc extinguishing that act as of gas or oil insulate.Ring through optical fiber body 1
The two ends sealing of oxygen fiberglass pipe 2, such as the sealing structure 5 of Fig. 4 setting is it is ensured that this utility model is used for the optical fiber of power equipment
The electric property of sleeve pipe.Umbrella sheath 3 is arranged on the outer surface of epoxy glass fiber pipe, and this umbrella sheath 3 is generally by silicone rubber
Make, there is stronger hydrophobicity, protect epoxy Fiber glass rod from climatic effect and galvanic action so that expoxy glass is fine
Dimension pipe has excellent moisture-proof anti-pollution characteristic, and provides required creep age distance.Preferably, at the two ends of epoxy glass fiber pipe 2
It is provided with flange 4, the flange 4 that end as shown in Figure 1 and Figure 4 is respectively provided with up and down, plays fixation.
Wherein, optical fiber body 1 using loose dwelling structure or can adopt tight set type structure, the light in embodiment as shown in Figure 1
Fine body is regarded as using loose dwelling structure, the structure of optical fiber body as shown in Figure 2 a, and now the radial direction of optical fiber body is cut
Face direction includes fibre core 101, aramid fiber 104 and optical fiber jacket 105 from inside to outside, that is, be interpreted as that three-decker is wrapped up layer by layer, or will
Aramid fiber 104 is not understood as the fiberfill structure between fibre core 101 and optical fiber jacket 105, and the material of optical fiber jacket 105 is optional
Select ETFE (ethylene-tetrafluoroethylene copolymer), for avoiding between fibre core 101 and aramid fiber 104, aramid fiber 104 itself, aramid fiber 104 and
There is the variety of problems of air gap generation due to expanding with heat and contract with cold between optical fiber jacket 105, optical fiber body two ends are overall by glue
Closure that is to say, that optical fiber body two ends are fully sealed, optical fiber body pierce and block during strictly controlled environment humidity,
Typically in 30%-40% about, on the optical fiber body such as length direction of this structure, tensile strength is up to 60-100N, comprcssive strength
Short-term is up to 500N/dm；Long-term 100N/dm, does and takes which during hot and cold vacuum test, -40 DEG C -+70 DEG C of temperature range,
Vacuum 7x10-5Pa, each circulates 144hrs, and 5 circulations, working properly altogether, and any leakage does not occur, and its polarization maintaining optical fibre is special
Property equally can preferably meet the use requirement of electronic current mutual inductor.
Optical fiber body in embodiment illustrated in fig. 4 is regarded as preferably employing tight set type structure, optical fiber as shown in Figure 2 b
The structure of body, including fibre core 101 and thermoplastic resin sheath 102, thermoplastic resin sheath 102 is closely coated on fibre core 101
A kind of tight set type polarization maintaining optical fibre to form ad hoc structure for the outer surface, optical fiber body 1 or referred to as (polarization maintaining optical fibre body) can be managed
Solve as being a kind of insulated cable, it takes strict technology requirement during fabrication, it is to avoid air inlet is it is ensured that whole in process of production
Individual optical fiber body 1 has the section tamped completely, there is not space；Thermoplastic resin sheath 102 is construed as insulated cable
Exocuticle or cable jacket, are made using resistant to elevated temperatures thermoplastic resin material, such as polyphenylene oxide (PPE) or other thermoplastic resin
Material, thermoplastic resin material electric performance stablity, good electrical property can be kept in extensive temperature and frequency range；Have
Good mechanical performance, good stability of the dimension；There is higher thermostability, excellent resistance to water；Anti-flammability is good, has self-extinguishment
Property and not halogen-containing, nontoxic environmentally friendly；Good corrosion resistance, can tolerate sulfur hexafluoride (SF6) gas and its for a long time in high electricity
Depress analyte that may be present (as subfluoride and Fluohydric acid .) environment, effectively ensure the electric insulating quality of optical fiber body
Energy.This optical fiber body 1 is prepared by fiber draw process and is ensured that cable interior is the section tamped completely, anti-on length direction
, up to 80-100N, comprcssive strength short-term is up to 150N/dm for Zhang Qiangdu；Long-term 25N/dm, using temperature range can arrive -40 DEG C～+
85℃.When from high voltage to low-voltage transmission signal, Electric Field Distribution is unaffected being not in more electric discharge phenomena, permissible
Long-time use, improves security performance, and this optical fiber body has resist more much higher than existing tight set type polarization maintaining optical fibre simultaneously
Open comprcssive strength.
Further, line feeder also can be set in optical fiber body 1, such as in thermoplastic resin sheath 2 along its length
It is provided with the fibre-reinforced plastics 103 of line style, the cross section structure of optical fiber body 1 as shown in Figure 3, the fiber of this line style increases
Strong composite plastic 103 is line feeder, can be described as FRP, can arrange two or four, when fibre-reinforced plastics 103 are arranged
When two, can along the symmetrical setting of the axis direction of thermoplastic resin sheath 102, or be in be symmetrical arranged up and down；When
When fibre-reinforced plastics 103 arrange four, the axis direction along thermoplastic resin sheath 102 that can be as shown in Figure 3 is simultaneously
Setting symmetrical and symmetrical above and below.The fibre-reinforced plastics 103 of setting line style play reinforcement optical fiber body 1 further
Anti-tensile anti-compression property, thus improving electric property and the reliability of whole ferrule.
The above-mentioned ferrule of this utility model is be applied to all kinds of electronic current mutual inductors, therefore mesh of the present utility model
Further relate to protect a kind of electronic current mutual inductor using above-mentioned ferrule.It is particularly suited for using above-mentioned ferrule
All-fiber current transformator, all-fiber current transformator also be electronic current mutual inductor one kind.Of the present utility model complete
Optical fiber current mutual inductor, including sensing unit, collecting unit and adopt above-mentioned ferrule as illustrated in figure 1 or 4, optical fiber set
One end of optical fiber body in pipe is connected with the sensing unit of all-fiber current transformator, and the other end of optical fiber body is through epoxy glass
The hollow space of glass fiber pipe is connected with the collecting unit of all-fiber current transformator after passing.Collecting unit is used for all -fiber electricity
The current acquisition of current transformer, including circuit board and optics, wherein, optics generally includes light source, light-splitting device, phase
The devices such as position manipulator, photodetector, circuit board generally includes the AD Acquisition Circuit integrating, Digital Signal Processing electricity
Road and DA drive circuit etc., are conventional annexation between each ingredient in circuit board and optics；Sensing unit leads to
Often include wave plate, sensitive optical fibre ring and the reflecting mirror being sequentially connected；One end of optical fiber body is connected with sensing unit and can be regarded as
It is that one end of optical fiber body is connected with sensitive optical fibre ring by wave plate, the other end of optical fiber body is connected with collecting unit and is appreciated that
For being that the other end of optical fiber body is connected with the phase-modulator of sensing unit.
When all-fiber current transformator of the present utility model installs application with intelligent isolation circuit breakers, its structure such as Fig. 5 institute
Show, intelligent isolation circuit breakers itself carry sleeve pipe 7, when installing application with all-fiber current transformator, full optical-fiber current mutual inductance
The epoxy glass fiber pipe 2 of device is directly adopted as the sleeve pipe 7 of intelligent isolation circuit breakers, need not additionally arrange epoxy glass fiber
Pipe, sensing unit 6 is arranged on sleeve pipe 7 upper end of intelligent isolation circuit breakers, and optical fiber body 1 passes through the set of intelligent isolation circuit breakers
Inside pipe 7, sleeve pipe 7 bottom is drawn optical fiber body 1 and is connected to collecting unit 11.Can be specifically in intelligent isolation circuit breakers
After optical fiber body 1 is drawn in sleeve pipe 7 bottom, enter in switch board 10 through coating steel pipe 9, coating steel pipe 9 plays protection optical fiber originally
The effect of body 1, it is to avoid it is exposed, collecting unit 11 is installed on and lands switch board 10.Optical fiber body 1 and sensing unit 6
Optical fiber can be integral type or mutual welding forms.That is, the optical fiber of sensing unit 6 and optical fiber body 1 are same
Stretch down from the sleeve pipe 7 of intelligent isolation circuit breakers for one, rear end connects collecting unit 11, so can reduce full optical-fiber current mutual inductance
Device and an optical fiber fusion welding point of intelligent isolation circuit breakers application system, improve assembled in situ operating efficiency, improve system reliable
Property.Or the optical fiber of sensing unit 6 and optical fiber body 1 welding, rear end connects collecting unit 11, the set of intelligent isolation circuit breakers
Pipe 7 state containing optical fiber is integrated, becomes standard component, improves final assembly efficiency, is conducive to the Design and procurement standardization of integrated producer.
It should be noted that optical fiber body 1 passes through in the sleeve pipe 7 of intelligent isolation circuit breakers, this sleeve pipe there is hollow space it will be appreciated that
For being epoxy glass fiber pipe, preferably pass through along the inwall of sleeve pipe, optical fiber body 1 is construed as from the (not shown) of cross section
Circle and sleeve pipe circular phase inscribe, along the central axis of the hollow space of sleeve pipe, to pass through not be to not affect in this hollow
Part and the installation of other parts, such as also need to insert with the central axis in hollow space during the installation application of intelligent isolation circuit breakers
The parts such as pull bar.It is filled with SF6 gas 8 in the hollow space of sleeve pipe 7 of intelligent isolation circuit breakers.This structure of the present utility model was both
Meet the intelligent requirement to sleeve pipe electric property for the isolation circuit breakers, the characteristic of optical fiber body also meets all-fiber current transformator to be made
Use demand.
All-fiber current transformator of the present utility model can also be a kind of column support type all-fiber current transformator, such as Fig. 6
Shown structure, is when applying as column support type all-fiber current transformator and installs application with column support type insulator, that is,
Say, this application system carries column support type insulator 12 in itself, the epoxy glass fiber pipe 2 of all-fiber current transformator directly adopts
This column support type insulator 12, in the gold utensil of upper end that sensing unit 6 is arranged on column support type insulator 12 by flange 4, busbar
13 penetrate in the sensitive optical fibre ring of sensing unit 6, and then introduce high-tension current；The optical fiber of sensing unit 6 is insulated with column support type
Optical fiber (i.e. optical fiber body 1) in son 12 is also all one or is welded together and is changed into two kinds of forms, and optical fiber body 1 is worn
Cross the inside of column support type insulator 12, column support type insulator 12 bottom is drawn optical fiber body 1 and connected to collecting unit.Except Fig. 6
Outside illustrated embodiment, all-fiber current transformator of the present utility model can be a kind of suspension type all-fiber current transformator, such as Fig. 7
Shown structure, is when applying as suspension type all-fiber current transformator and installs application that is to say, that being somebody's turn to do with suspension insulator
Application system carries suspension insulator 14 in itself, and the epoxy glass fiber pipe 2 of all-fiber current transformator directly adopts this suspension type
Insulator 14, in the gold utensil of upper end that sensing unit 6 is arranged on suspension insulator 14 by flange 4, pipe mother 16 is from sensitive single
Penetrate in the sensitive optical fibre ring of unit 6, and then introduce high-tension current, anchor ear 15 plays the effect of fixing pipe mother 16.Sensing unit 6
Optical fiber (i.e. optical fiber body 1) in optical fiber and suspension insulator 14 is also all one or is welded together and is changed into two kinds of shapes
Formula, optical fiber body 1 passes through the inside of suspension insulator 14, and suspension insulator 14 bottom is drawn optical fiber body 1 and connected to collection
Unit.
It should be pointed out that the above specific embodiment can make those skilled in the art that the present invention is more fully understood
Create, but limit the invention never in any form.Therefore, although this specification is created to the present invention with embodiment referring to the drawings
Make and have been carried out describing in detail, it will be understood by those skilled in the art, however, that still can modify to the invention
Or equivalent, in a word, the technical scheme of all spirit and scope without departing from the invention and its improvement, it all should be contained
Cover in the middle of the protection domain of the invention patent.
Claims (10)
1. a kind of ferrule for power equipment is it is characterised in that include optical fiber body, epoxy glass fiber pipe and full skirt
Sheath, described epoxy glass fiber pipe is the hollow pipe of epoxy glass fiber coiling molding, and described optical fiber body is from expoxy glass
One end of fiber pipe penetrates and passes from the other end through the hollow space within epoxy glass fiber pipe, and described hollow space is filled with
Gas or oil, through the two ends sealing of the epoxy glass fiber pipe of optical fiber body, it is fine that described umbrella sheath is arranged on expoxy glass
The outer surface of dimension pipe.
2. the ferrule for power equipment according to claim 1 is it is characterised in that described optical fiber body includes heat
Plastic resin sheath and fibre core, described thermoplastic resin sheath is closely coated on the outer surface of fibre core.
3. the ferrule for power equipment according to claim 2 is it is characterised in that warm in described optical fiber body
It is provided with the fibre-reinforced plastics of line style along its length, described fibre-reinforced plastics are along warm in plastic resin sheath
The axis direction of plastic resin sheath is in left and right and/or setting symmetrical above and below.
4. the ferrule for power equipment according to claim 1 is it is characterised in that the radial direction of described optical fiber body
Cross-wise direction includes fibre core, aramid fiber and optical fiber jacket from inside to outside, and described optical fiber body two ends are blocked by glue.
5. the ferrule for power equipment according to one of Claims 1-4 is it is characterised in that described hollow bulb
When point being filled with gas, described gas is sulfur hexafluoride gas or nitrogen, or the gaseous mixture of sulfur hexafluoride gas and nitrogen；In described
When empty part is filled with oil, described oil is mineral oil；
And/or, the two ends of described epoxy glass fiber pipe are provided with for fixing flange.
6. the electronic current mutual inductor of the ferrule described in a kind of one of employing claim 1 to 5.
7. electronic current mutual inductor according to claim 6 is it is characterised in that described electronic current mutual inductor is complete
Optical fiber current mutual inductor, the sensing unit phase of the one end of optical fiber body in described ferrule and all-fiber current transformator
Even, with the adopting of all-fiber current transformator after the hollow space through epoxy glass fiber pipe for the other end of described optical fiber body passes
Collection unit is connected.
8. electronic current mutual inductor according to claim 7 it is characterised in that described all-fiber current transformator with
When intelligent isolation circuit breakers install application, described epoxy glass fiber pipe is using the sleeve pipe of intelligent isolation circuit breakers, described sensitivity
Unit is arranged on the sleeve upper end portion of intelligent isolation circuit breakers, and optical fiber body passes through the inside pipe casing of intelligent isolation circuit breakers, set
Ttom of pipe end is drawn optical fiber body and is connected to collecting unit.
9. electronic current mutual inductor according to claim 7 is it is characterised in that described all-fiber current transformator is to prop up
Pillar or suspension type all-fiber current transformator, described all-fiber current transformator is pacified with column support type insulator or with suspension insulator
Dress application, described sensing unit is arranged in the gold utensil of the upper end of column support type insulator or suspension insulator, described epoxy glass
Glass fiber pipe adopts column support type insulator or suspension insulator, and optical fiber body passes through the interior of column support type insulator or suspension insulator
Portion, column support type insulator or suspension insulator bottom are drawn optical fiber body and are connected to collecting unit.
10. electronic current mutual inductor according to claim 8 or claim 9 is it is characterised in that described optical fiber body and sensitivity list
The optical fiber of unit is integral type or both mutual weldings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794358.0U CN205992073U (en) | 2016-07-26 | 2016-07-26 | A kind of ferrule for power equipment and electronic current mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620794358.0U CN205992073U (en) | 2016-07-26 | 2016-07-26 | A kind of ferrule for power equipment and electronic current mutual inductor |
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| Publication Number | Publication Date |
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| CN205992073U true CN205992073U (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620794358.0U Expired - Fee Related CN205992073U (en) | 2016-07-26 | 2016-07-26 | A kind of ferrule for power equipment and electronic current mutual inductor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125221A (en) * | 2016-07-26 | 2016-11-16 | 易能乾元（北京）电力科技有限公司 | A kind of ferrule for power equipment and electronic current mutual inductor |
| CN113771128A (en) * | 2021-08-26 | 2021-12-10 | 盐城市雷击环保科技有限公司 | Drilling machine for connecting end of epoxy glass fiber tube |
-
2016
- 2016-07-26 CN CN201620794358.0U patent/CN205992073U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125221A (en) * | 2016-07-26 | 2016-11-16 | 易能乾元（北京）电力科技有限公司 | A kind of ferrule for power equipment and electronic current mutual inductor |
| CN113771128A (en) * | 2021-08-26 | 2021-12-10 | 盐城市雷击环保科技有限公司 | Drilling machine for connecting end of epoxy glass fiber tube |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 Termination date: 20190726 |