CN107644728A - Transformer - Google Patents
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- CN107644728A CN107644728A CN201711008872.2A CN201711008872A CN107644728A CN 107644728 A CN107644728 A CN 107644728A CN 201711008872 A CN201711008872 A CN 201711008872A CN 107644728 A CN107644728 A CN 107644728A
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- cable
- transformer
- puncture needle
- electricity
- measured
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 31
- 239000012634 fragment Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 206010014357 Electric shock Diseases 0.000 description 3
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention discloses a kind of transformer, the transformer includes electricity-fetching mechanism, and the electricity-fetching mechanism includes having cuspidated puncture needle, and the puncture needle is arranged for piercing through the insulating barrier of cable to be measured；The electricity-fetching mechanism also includes sealing gasket, and the sealing gasket is arranged between the puncture needle and the cable to be measured；During use, the puncture needle first passes through the insulating barrier that the sealing gasket then pierces through the cable to be measured again, so as to realize the electrical connection of the puncture needle and the cable guide to be measured.The power taking puncturing structure that the present invention designs, puncture needle conductor part is no longer exposed, avoids electricity consumption hidden danger, has prevented to puncture the danger that operation is got an electric shock.
Description
Technical field
The present invention relates to technical field of electric power, more particularly to a kind of transformer.
Background technology
Transformer of the prior art generally comprises two bodies being articulated, i.e. the first noumenon and the second body, and first
Iron core is respectively arranged with body and the second body, after the first noumenon and the second body fastening, the first noumenon and the second body
Shell surround a circular containing cavities, cable is clamped in circular containing cavities, to test cable.Voltage is believed
Number obtained from cable to be measured, for there is the cable of insulating barrier, traditional needs the power taking by way of stripping of insulatin layer, this
Not only complex operation efficiency is low for kind way to take power, and live part is exposed in the air, has a strong impact on Electrical Safety, very
As for the danger for having electric shock in operation.
The content of the invention
For above-mentioned technical problem present in prior art, the invention provides a kind of transformer, the transformer bag
Electricity-fetching mechanism is included, the electricity-fetching mechanism includes having cuspidated puncture needle, and the puncture needle is arranged for piercing through cable to be measured
Insulating barrier；The electricity-fetching mechanism also includes sealing gasket, the sealing gasket be arranged at the puncture needle and the cable to be measured it
Between；During use, the puncture needle first passes through the insulating barrier that the sealing gasket then pierces through the cable to be measured again, from
And realize the electrical connection of the puncture needle and the cable guide to be measured.
Further, the electricity-fetching mechanism, which also includes being arranged for connecting power taking wire, is sheathed on the puncture needle
On lug plate.The lug plate is used for connecting puncture needle and power taking wire, so that the puncture needle punctures connected cable
Voltage conducted by puncture needle, lug plate to power taking wire.
Further, the electricity-fetching mechanism also includes being arranged for the felt pad for making the puncture needle electrically isolate from outside,
The felt pad is located at the outer end of the puncture needle；During use, external force puts on the felt pad and treats survey line to described
Cable direction promotes the felt pad, and the felt pad promotes the puncture needle to cause the puncture needle to shift to the cable to be measured
And pass through the sealing gasket and the cable insulation layer.
Preferably, the puncture needle is conductive material, such as metal material, including but not limited to copper, steel etc..
Further, the transformer includes the first noumenon and the second body, when the first noumenon and the second body fasten
Afterwards, the shell of the first noumenon and second body surrounds a containing cavities, and the cable to be measured can be clamped in described
In containing cavities, the sealing gasket is arranged at the inwall of the containing cavities.
Further, the electricity-fetching mechanism also includes a puncture bolt, has on the first noumenon or second body
There is the screw being engaged with the puncture bolt, the puncture bolt is located in the screw, the threaded shank for puncturing bolt
The felt pad is connected to, can be applied by inwardly screwing the puncture bolt to the felt pad to the cable to be measured
The power in direction.The screw can be threaded directly to be opened up on the shell wall of the first noumenon or second body
Hole.
Further, the electricity-fetching mechanism also includes puncturing bolt and punctures nut, and the tail end of the puncture needle is fixed on
In the upper surface groove for puncturing felt pad, puncturing the lower surface of felt pad has the accommodating groove for puncturing nut, punctures spiral shell
Bolt screws in the puncture nut；Second housing is provided with the accommodating stopper slot for puncturing felt pad and the puncture bolt, at this
The bottom land of stopper slot is provided with for screwing the through hole for puncturing the instrument of bolt and passing through, and the internal diameter of the through hole is less than the puncture bolt
The external diameter on head.
Further, the transformer also includes cable fastener, and the cable fastener includes the company located at both ends
Arm and middle overall curved fastening part are connect, the linking arm is connected on the transformer by fastening bolt, passes through rotation
Twist the fastening bolt described in cable fastener can with respect to the first noumenon and the second body moving radially along the transformer,
So as to realize the regulation to the containing cavities internal diameter.
Further, the cable fastener has the first arc-shaped recess for being respectively arranged on the fastening part both sides and the
Two arc-shaped recess, diameter of a circle where first arc-shaped recess<Diameter of a circle where second arc-shaped recess<Described
The internal diameter for the containing cavities that the shell of one body and second body surrounds.
Further, the cable fastener is oppositely arranged with the electricity-fetching mechanism.
Further, the first noumenon or second body have along what the transformer projected axially outward and dashed forward
Go out portion, the protuberance is arranged for loading the electricity-fetching mechanism.
Further, the linking arm of the cable fastener is connected to the protuberance by fastening bolt.
Further, the first noumenon includes the first iron core, is arranged for accommodating the first shell of first iron core
Body, the first lid for being arranged for closing first housing, first lid is formed with the first deep-slotted chip breaker；Described
Two bodies include the second iron core, are arranged for accommodating the second housing of second iron core, are arranged for closing described
Second lid of two housings, second lid is formed with the second deep-slotted chip breaker；When described when the first noumenon and the second body fasten
Afterwards, first deep-slotted chip breaker and second deep-slotted chip breaker form the containing cavities, wherein, second lid and described second
Housing projects axially outward to form the protuberance along the transformer.
Preferably, the screw that the protuberance is provided with and the puncture bolt is engaged, the sealing gasket is fixed on described
Protuberance is towards the containing cavities side.
It is highly preferred that the deep-slotted chip breaker bottom land of second lid is provided with groove, the sealing gasket is placed in the groove,
And the sealing gasket upper surface protrudes from the groove, and the through hole passed through for the puncture needle is provided with the middle part of groove；Described second
Housing is provided with the accommodating stopper slot for puncturing felt pad and the puncture bolt, is provided with the bottom land of the stopper slot for puncturing
The through hole that bolt passes through.
Further, the linking arm of the cable fastener is connected to second lid by fastening bolt
The protuberance.
Preferably, by screwing the fastening bolt cable fastener can be made to be moved along the fastening bolt direction,
And by dismantling and overturning the cable fastener so that the first arc-shaped recess forms described first with second deep-slotted chip breaker
Grasping part makes second arc-shaped recess form second grasping part with second deep-slotted chip breaker.
Further, the first sealing gasket is provided between first housing and first lid.Preferably, described
One iron core is surrounded by sealing shroud.
Further, second lid corresponds to the one side of first lid and is provided with gasket slot, in the sealing gasket
The second sealing gasket is equiped with groove；And it is provided with and the gasket slot, Yi Jisuo in the corresponding position of first lid
State the second sealing gasket be engaged it is convex stupefied.
Further, the second body of the transformer is cast for one using electronic seal charging.
Further, the first skeleton and the second skeleton being mutually butted, first bone are provided with second iron core
Frame, the second skeleton are used to install winding.
Further, it is provided with shell fragment between first iron core and first shell.
Further, first housing is pivotally connected with second housing.
Compared with prior art, the beneficial effect of transformer of the invention is：The power taking puncturing structure that the present invention designs,
Puncture needle conductor part is no longer exposed, avoids electricity consumption hidden danger, has prevented to puncture the danger that operation is got an electric shock.Further, since cable
Fastener can form two kinds of grasping parts for being used to clamp the cable of different-diameter with the second deep-slotted chip breaker, so as to increase folder
The scope (or dimension series) of cable is held, relative to transformer of the prior art, can adapt to a greater variety of cables,
And fixed transformer more firm stable, the reliability for puncturing power taking is ensure that, improves the scope of application of transformer.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of transformer in the preferred embodiment of the present invention, wherein, it is tight that cable is eliminated in figure
Firmware and lead.
Fig. 2 is the dimensional structure diagram of transformer in the preferred embodiment of the present invention.
Fig. 3 is the planar structure schematic diagram of transformer in the preferred embodiment of the present invention, wherein, the second arc-shaped recess and the
Two deep-slotted chip breakers are relative.
Fig. 4 is the planar structure schematic diagram of transformer in the preferred embodiment of the present invention, wherein, the first arc-shaped recess and the
Two deep-slotted chip breakers are relative.
Fig. 5 is the planar structure schematic diagram of transformer in the preferred embodiment of the present invention, wherein, first shell is eliminated in figure
Body and the second housing.
Fig. 6 is Fig. 5 A direction views.
Fig. 7 is clamping cable range size explanation figure.
Fig. 8 is the structural representation of transformer in the preferred embodiment of the present invention.
In figure：
10- the first noumenons；The housings of 11- first；The iron cores of 12- first；The lids of 13- first；The sealing gaskets of 14- first；111-
One deep-slotted chip breaker；The bodies of 20- second；The housings of 21- second；The iron cores of 22- second；The lids of 23- second；The sealing gaskets of 24- second；211-
Second deep-slotted chip breaker；30- cable fasteners；The arc-shaped recess of 31- first；The grasping parts of 311- first；The arc-shaped recess of 32- second；
The grasping parts of 321- second；40- puncture needles；50- puncture seal pads；42- punctures felt pad；43- punctures bolt；44- is punctured
Nut；60- punctures felt pad；70- lug plates；The skeletons of 81- first；The skeletons of 82- second；83- windings；The output of 84- windings is led
Line；85- punctures power taking wire；80- output leads；90- shell fragments；101- circle containing cavities；102- bearing pins；103- fastening bolts.
Embodiment
To make those skilled in the art be better understood from technical scheme, below in conjunction with the accompanying drawings and it is embodied
Mode elaborates to the present invention.
One of the present invention is preferably carried out mode and provides a kind of transformer, and the transformer includes electricity-fetching mechanism, institute
Stating electricity-fetching mechanism includes having cuspidated puncture needle, and the puncture needle is arranged for piercing through the insulating barrier of cable to be measured；It is described
Electricity-fetching mechanism also includes sealing gasket, and the sealing gasket is arranged between the puncture needle and the cable to be measured；Use process
In, the puncture needle first passes through the insulating barrier that the sealing gasket then pierces through the cable to be measured again, so as to realize described wear
The electrical connection of pricker and the cable guide to be measured.
It is preferably carried out at another in mode, the transformer includes the first noumenon and the second body；The first
Body includes the first housing and the first iron core being arranged in the first shell body；Second body include the second housing with
And the second iron core in the second shell body is arranged at, the first noumenon is formed with the first deep-slotted chip breaker, second bodily form
Into there is the second deep-slotted chip breaker, the first noumenon and the second body make-up surround circular containing cavities, in addition to can on move down
Dynamic cable fastener, the cable fastener have the first arc-shaped recess and the second arc-shaped recess；When first arc
When depression is relative with second deep-slotted chip breaker, the first grasping part is formed, when second arc-shaped recess and second arc
When groove is relative, the second grasping part is formed, diameter of a circle where first arc-shaped recess is less than the second arc-shaped recess institute
In diameter of a circle.
It is preferably carried out at another in mode, the transformer includes being used for puncture needle and the puncture for puncturing power taking
Felt pad, puncture stopper slot, the bottom land of the second deep-slotted chip breaker for puncturing felt pad and being arranged in the second shell body are described
Puncture needle is arranged in the second shell body, and for its one end positioned at puncturing in felt pad, the tip for puncture wears described second
The bottom land of deep-slotted chip breaker is simultaneously entered in the puncture seal pad.
It is preferably carried out at another in mode, wiring is arranged with the puncture needle in the second shell body
Piece, the lug plate is used for connecting puncture needle and power taking wire, so that the voltage that the puncture needle punctures connected cable leads to
Cross puncture needle, lug plate is conducted to power taking wire.
It is preferably carried out at another in mode, the first arc-shaped recess on the arc cable fastener and described
Two arc-shaped recess are respectively formed at the upper and lower part of the arc cable fastener；Two are provided with second body
Fastening bolt, the cable fastener are provided with clamp nut corresponding with two fastening bolts respectively, and two described tight
Fixing bolt is worn respectively can enable the cable fastener edge in two clamp nuts, by screwing fastening bolt
Fastening bolt direction movement, and by dismantle and overturn the cable fastener so that the first arc-shaped recess with it is described
Second deep-slotted chip breaker forms first grasping part or second arc-shaped recess is formed institute with second deep-slotted chip breaker
State the second grasping part.
Embodiment 1
In the preferred embodiment of the present invention, as shown in Fig. 1 to Fig. 8 embodiment of the invention discloses that a kind of mutual
Sensor, including the first noumenon 10, the second body 20.The first noumenon 10 includes the first housing 11, is arranged in the first housing 11
First iron core 12, and for closing the first lid 13 of first housing 11；Second body 20 includes the second housing 21, the
One skeleton 81, the second skeleton 82, the second iron core 22 being arranged in the second housing 21, for closing second housing 21
Second lid 23；First lid 13 is formed with the first deep-slotted chip breaker 111, and the second lid 23 is formed with the second deep-slotted chip breaker 211, and first
The make-up of 10 and second body of body 20 surrounds circular containing cavities 101, and the circular containing cavities 101 are used to clamp cable.
As shown in Fig. 2,5,8, transformer of the invention also includes electricity-fetching mechanism, and electricity-fetching mechanism includes puncture needle 40, punctures
Sealing gasket 50, felt pad 42 is punctured, puncture bolt 43, puncture nut 44, lug plate 70.Puncture seal pad 50 is arranged at second
The bottom land of deep-slotted chip breaker 211, the deep-slotted chip breaker bottom land of the second lid 23 are provided with groove, and sealing gasket 50 is placed in the groove, and close
The upper surface of packing 50 protrudes from the groove, and the through hole passed through for puncture needle 40 is provided with the middle part of groove；The head of puncture needle 40 is worn
The bottom land of second deep-slotted chip breaker 211 is simultaneously stretched in puncture seal pad 50.The head of puncture needle 40 passes through the second lid in the present embodiment
The through hole of 23 deep-slotted chip breaker bottom land is simultaneously stretched in puncture seal pad 50.In the present embodiment, second lid 23 and described
Two housings 21 project axially outward to form the protuberance along the transformer, and the protuberance is arranged for taking described in load
Motor structure.The tail end of puncture needle 40 is fixed in the upper surface groove for puncturing felt pad 42, punctures the lower surface of felt pad 42
Groove with accommodating puncture nut 44, punctures nut 44 and is embedded in the groove, punctures bolt 43 and screws in the puncture nut
44.Second housing 21 is provided with the accommodating stopper slot for puncturing felt pad 42 and the puncture bolt 43, to cause electricity-fetching mechanism
Second body 20 is fixed on, is provided with the bottom land of the stopper slot for screwing the through hole for puncturing the instrument of bolt 43 and passing through, should
The internal diameter of through hole is less than the external diameter on puncture bolt 43 head, and the second housing 21 can also include a rubber stopper, for filling in
The firmly through hole.The head top surface of bolt 43 can issue a word or cross recess, or polygonal counterbore, to facilitate instrument to screw bolt
43.It is hexahedron post that felt pad 42 is punctured in the present embodiment, and in other embodiments, it can be other to puncture felt pad 42
Polyhedron column construction, the stopper slot that correspondingly the second housing 21 is set are the shape being engaged with the puncture felt pad 42.
In this way, after cable is fastened on the first grasping part 311 or the second grasping part 321 by screwing fastening bolt 103,
Then screw and puncture bolt 43 (direction separated along puncture bolt 43 and puncture nut 44), by the internal diameter of through hole is less than institute
The external diameter for puncturing the head of bolt 43 is stated, causes puncture bolt 43 head to push up to through hole inner edge and can not exit, thus punctures nut
44 will promote to cable direction and puncture felt pad 42, puncture felt pad 42 and drive puncture needle 40 to shift to cable and oppress, through wearing
Pierce sealing gasket 50 and cable insulation layer, puncture needle 40 is reached cable conductors and in close contact therewith, realize puncture power taking it
Purpose.It then rubber stopper can be used to clog through hole when not puncturing or after puncturing, prevent into water.
Understood according to above-mentioned, after cable is clamped, because puncture seal pad 50 is suitably higher by the second of the second lid 23
Deep-slotted chip breaker 211, cable will tightly oppress puncture seal pad 50 and make its deformation, until the second arc of cable and the second lid 23
Shape groove 211 is in close contact, and so as to ensure that puncture position is not leaked cruelly and site of puncture and extraneous air completely cut off, is protected and is worn
It is not oxidized impaired to pierce the cable of part, while Danger Electric shock risk is not had in puncture process.
Electrically connected to realize puncture needle 40 and power taking wire 85, to realize the power taking of puncture needle 40, in the present embodiment, position
In being arranged with lug plate 70 on the puncture needle 40 in the second housing 21, lug plate 70 is used to connect power taking wire 85, so that power taking
Wire 85 electrically connects with puncture needle 40.In the present embodiment, the endoporus of lug plate 70 need to be made to be less than the external diameter of puncture needle 40, such as
This, lug plate 70 is in close contact with puncture needle 40, so as to prevent connecing void.The lug plate 70 is placed in enclosure, is located at
The top of felt pad 42 is punctured, stopper slot can be set at the top for puncturing felt pad 42, it is thus possible to and it is outside good exhausted
Edge.
The transformer of the present invention also includes cable fastener 30, and cable fastener 30 includes the linking arm located at both ends
(straight-arm) and middle overall curved fastening part, linking arm are connected on the transformer by fastening bolt 103, cable
Fastener 30 can be moved up and down by screwing fastening bolt 103 with respect to the body 20 of the first noumenon 10 and second, cable fastener
30 fastening part has the first arc-shaped recess 31 and the second arc-shaped recess 32；When the first arc-shaped recess 31 and the second deep-slotted chip breaker 211
When relative, the first grasping part 311 is formed, thinner cable can be clamped, as shown in Figure 4；When the second arc-shaped recess 32 and
When two deep-slotted chip breakers 211 is relative, the second grasping part 321 is formed, the relatively thick line cable no more than circular containing cavities 101 can be clamped,
As shown in Figure 3；The place diameter of a circle of first arc-shaped recess 31 is less than the place diameter of a circle of the second arc-shaped recess 32.
As shown in fig. 7, be H3 the linking arm width marker of cable fastener 30, the bottom of the first arc-shaped recess 31 to line
The number of altitude of plane is H2 on cable fastener 30, the height of the bottom of the second arc-shaped recess 32 to plane on cable fastener 30
Scale is designated as H1, and the top of fastening bolt 103 is away from plane on cable fastener 30 after cable fastener is close to the second body
Length mark is L1, circular containing cavities it is a diameter ofThen:
The 211 relative cable diameter for forming the first grasping part 311 and being adapted to of first arc-shaped recess 31 and the second deep-slotted chip breaker
D:
The 211 relative cable diameter for forming the first grasping part 321 and being adapted to of second arc-shaped recess 32 and the second deep-slotted chip breaker
D:
By setting appropriate dimensional fits, it can allow product adaptation almost from 0 with reference to the mode of upset cable fastener
ArriveThe installation of cable line footpath, greatly extend the application of transformer.
In addition, make moving up for cable fastener 30 by screwing fastening bolt 103 so that the first grasping part 311
Cable can be released and clamped with the second grasping part 321.
It can realize that the structure that cable fastener 30 moves up and down can have a variety of, the first arc-shaped recess 31 and the second arc
Shape depression 32 set location can have it is a variety of, in a preferred embodiment of the invention, the first arc-shaped recess 31 and second
Arc-shaped recess 32 is respectively formed at the upper and lower part of cable fastener 30；Two fastening bolts are provided with second housing 21
103 are used as lead, and the guiding screw tackled respectively with two fastening bolts 103 is offered on the linking arm of cable fastener 30,
Two fastening bolts 103 wear two and are oriented to screw so that cable fastener 30 can move along fastening bolt 103 respectively.
Understood according to above-mentioned, when needing the cable of holding smaller diameter, make the first arc on cable fastener 30 recessed
Fall into it is 31 relative to form the first grasping part 311 with the second deep-slotted chip breaker 211, then make cable fastener 30 move down clamp compared with
The cable of minor diameter；When needing to clamp larger-diameter cable, first move up cable fastener 30 with fastening bolt
103 depart from, and afterwards turn over cable fastener 30, so that the second arc-shaped recess 32 and the second deep-slotted chip breaker 211 are with respect to form the
Two grasping parts 321, cable fastener 30 is then set to move down the larger-diameter cable of clamping.
In a preferred embodiment of the invention, the second iron core 22 is provided with the first skeleton 81 being mutually butted and
Two skeletons 82, the second skeleton 82 are located at the lower section of the second iron core 22, and the first skeleton 81 and the second skeleton 82 combined is used to fill
If winding.
To make the first iron core 12 being in close contact with the second iron core 22 as much as possible, in the first iron core 12 and first
Shell fragment 90 is provided between body 11, the shell fragment 90 can push the first iron core 12 to second housing side as possible, when the first iron core and
After second iron core is in close contact, the first iron core will compress shell fragment, and the elasticity of shell fragment can ensure the first iron core and the second iron core knot
Close close.
To increase structural strength, the lower section of the second deep-slotted chip breaker 211 of second housing 12 is provided with reinforcement.
The connected mode of first housing 11 and the second housing 21 can have it is a variety of, in a preferred embodiment of the present invention
In, the first housing 11 is pivotally connected with the second housing 21 by bearing pin 102.
Second body 20 of the transformer of the present embodiment be using electronic seal charging the second iron core 22, the second housing 21,
What the cast such as the first skeleton 81, the second skeleton 82, winding 83, output lead 80, the second lid 23 were integrated, sprue gate is pin
Rectangular cavity below axle 102.
After transformer is poured with electronics encapsulating compound to be poured in, electronic seal charging naturally connects iron core with reference to other accessories
Air duct cut-off of the conjunction face place from inside to composition surface；On the second lid 23, the composition surface of the second iron core 22 is surrounded by
Gasket slot, the second sealing gasket 24 is equiped with this groove, meanwhile, it is provided with and seals in the corresponding position of the first lid 13
Groove, the second sealing gasket 24 be engaged it is convex stupefied, after the body 20 of transformer the first noumenon 10 and second is combined, this three
It is engaged, has completely cut off the air duct of composition surface surrounding；First iron core 12 is surrounded by sealing shroud, in the first lid 13 and
The first sealing gasket 14 is provided between one iron core 12, the air duct on composition surface top is separated, this three is combined, reached both
The first iron core 12 can be allowed to slide within the specific limits, and can is protected iron core composition surface, to reach the waterproof of product
Purpose.
It should be noted that：The operation principle of the transformer of the present invention is identical with operation principle of the prior art, herein
Repeat no more the specific effect of the parts such as iron core.
Above example is only the exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can make respectively in the essence and protection domain of the present invention to the present invention
Kind modification or equivalent substitution, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of transformer, it is characterised in that the transformer includes electricity-fetching mechanism, and it is cuspidated that the electricity-fetching mechanism includes tool
Puncture needle, the puncture needle are arranged for piercing through the insulating barrier of cable to be measured；The electricity-fetching mechanism also includes sealing gasket, described
Sealing gasket is arranged between the puncture needle and the cable to be measured；During use, the puncture needle first passes through described close
Packing then pierces through the insulating barrier of the cable to be measured again, so as to realize being electrically connected for the puncture needle and the cable guide to be measured
Connect.
2. transformer as claimed in claim 1, it is characterised in that the electricity-fetching mechanism also includes being arranged for connecting power taking
The lug plate for being sheathed on the puncture needle of wire, the lug plate is used for connecting puncture needle and power taking wire, so that described wear
The voltage that pricker punctures connected cable is conducted to power taking wire by puncture needle, lug plate.
3. transformer as claimed in claim 1, it is characterised in that the electricity-fetching mechanism also includes being arranged for making described wear
Pricker electrically isolates from the felt pad of outside, and the felt pad is located at the outer end of the puncture needle；During use, external force puts on institute
State felt pad and promote the felt pad to the cable direction to be measured, the felt pad promotes the puncture needle to cause described wear
Pricker shifts to the cable to be measured and passes through the sealing gasket and the cable insulation layer.
4. transformer as claimed in claim 1, it is characterised in that the transformer includes the first noumenon and the second body, when
After the first noumenon and the second body fasten, the shell of the first noumenon and second body surrounds a containing cavities, described
Cable to be measured can be clamped in the containing cavities, and the sealing gasket is arranged at the inwall of the containing cavities.
5. transformer as claimed in claim 4, it is characterised in that the electricity-fetching mechanism also includes one and punctures bolt, described to wear
Thorn bolt threaded shank top be connected to the felt pad, by screw it is described puncture bolt can apply to the felt pad to
The power in the cable direction to be measured.
6. transformer as claimed in claim 4, it is characterised in that the transformer also includes cable fastener, the cable
The linking arm and middle overall curved fastening part, the linking arm that fastener includes located at both ends are connected by fastening bolt
It is connected on the transformer, can relative the first noumenon and the second body edge by screwing cable fastener described in the fastening bolt
The transformer moves radially, so as to realize the regulation to the containing cavities internal diameter.
7. transformer as claimed in claim 6, it is characterised in that the cable fastener, which has, is respectively arranged on the fastening part
The first arc-shaped recess and the second arc-shaped recess of both sides, diameter of a circle where first arc-shaped recess<Second arc is recessed
Diameter of a circle where falling into<The internal diameter for the containing cavities that the shell of the first noumenon and second body surrounds.
8. transformer as claimed in claim 6, it is characterised in that the cable fastener is relative with the electricity-fetching mechanism to be set
Put.
9. transformer as claimed in claim 4, it is characterised in that the first noumenon or second body have along described
The protuberance that transformer projects axially outward, the protuberance are arranged for loading the electricity-fetching mechanism.
10. transformer as claimed in claim 9, it is characterised in that the linking arm of the cable fastener passes through fastening
Bolt connection is in the protuberance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711008872.2A CN107644728A (en) | 2017-10-25 | 2017-10-25 | Transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711008872.2A CN107644728A (en) | 2017-10-25 | 2017-10-25 | Transformer |
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| CN107644728A true CN107644728A (en) | 2018-01-30 |
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| CN201711008872.2A Pending CN107644728A (en) | 2017-10-25 | 2017-10-25 | Transformer |
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| CN (1) | CN107644728A (en) |
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| CN109036822A (en) * | 2018-07-16 | 2018-12-18 | 江阴市星火电子科技有限公司 | A kind of assembly technology of outdoor open-close type current transformer |
| CN110441638A (en) * | 2019-09-09 | 2019-11-12 | 周封 | Intelligent electric integrated form can hot line job internet of things sensors |
| CN110456117A (en) * | 2019-09-09 | 2019-11-15 | 周封 | Intelligent electric ready-package can hot line job voltage sensor |
| CN114843932A (en) * | 2022-05-06 | 2022-08-02 | 浙江华采科技有限公司 | 10kV open-type voltage and current sensing working system capable of working in hot-line mode |
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