CN106373746A - Omnibearing leading-out terminal and leading-out structure of distribution transformer - Google Patents
Omnibearing leading-out terminal and leading-out structure of distribution transformer Download PDFInfo
- Publication number
- CN106373746A CN106373746A CN201610784786.XA CN201610784786A CN106373746A CN 106373746 A CN106373746 A CN 106373746A CN 201610784786 A CN201610784786 A CN 201610784786A CN 106373746 A CN106373746 A CN 106373746A
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- terminal
- distribution transformer
- cable
- mounting seat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/22—Connectors or connections adapted for particular applications for transformers or coils
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses an omnibearing leading-out terminal and a leading-out structure of a distribution transformer. The terminal is provided with an insulated mounting seat, a conducting core, a locking nut, a contact terminal, a connecting electrode, a cable connecting mechanism and an insulated external member; the terminal is arranged on an oil tank cover plate of the distribution transformer, when the locking nut is only partially engaged with the cylindrical upper end part of the conducting core, the contact terminal and the connecting electrode positioned on the outside of an oil tank can freely rotate relative to the oil tank cover plate, an installation interface of the connecting electrode can be coincident with the extension direction of an external cable on the site of the distribution transformer, and the external cable does not need to be bent when connected onto the connecting electrode through the cable connecting mechanism, so that the influence of contact heating caused by installation stress is reduced. The direction of connecting the external cable can be adjusted, the terminal has the advantages of convenient mounting, high universality and convenient wiring, the using requirement of product installation can be met to the maximum extent, and the using amount of cables can be saved.
Description
Technical field
The present invention relates to a kind of comprehensive outlet terminal of distribution transformer, and, apply this comprehensive outlet terminal
The outlet construction of distribution transformer.
Background technology
The a/b/c phase line of existing oil immersion distribution/emitting underground transformer and o zero line independence outlet, divide and are listed in fuel tank cover plate
On, there is problems in that
First, the a/b/c phase line of existing distribution/emitting underground transformer and the every phase terminal of o zero line independently installed, terminal dispatches from the factory
Front position is fixing, and scene can not be adjusted, and can only be connected with terminal by cable folding, because cable is harder, is difficult and holds
Son moves towards consistent, easily forms stress, causes contact unstable, and longtime running contact resistance becomes big, and contact surface generates heat, loss
Increase also cause simultaneously fuel tank generate heat, terminal also can be accelerated aging with case lid plate seals, cause iknsulating liquid leakage；
Second, cable needs to yield to the direction of terminal, and bending cabling can cause cable to increase, while cost increases, electricity
Cable kwh loss also increases；
3rd, the a/b/c phase line of existing distribution/emitting underground transformer and the every phase terminal of o zero line divide and are listed in fuel tank cover plate
On, after leading-out wire cable, joint conductor is exposed, there is electrical safety；Even if using insulating shield, there is also and can not carry electric-examination
Survey the problem of terminal running status；Especially for emitting underground transformer product, ip68 to be reached and require it is difficult to realize；
4th, the terminal that existing distribution/emitting underground transformer adopts is required for the link of line ear it is desirable to scene crimps, technique
Require more, such as product goes wrong, and also needs to bring all related tool, technological work is more during in-situ processing.
Content of the invention
The technical problem to be solved is: provides comprehensive outlet terminal and the outlet structure of a kind of distribution transformer
Make.
Solve above-mentioned technical problem, the technical solution adopted in the present invention is as follows:
A kind of comprehensive outlet terminal of distribution transformer it is characterised in that: described comprehensive outlet terminal is provided with absolutely
Edge mounting seat, conductive core, locking nut, contact terminal, connection electrode, cable connection mechanism and insulation external member；Described insulation peace
Dress seat is provided with central through hole, and described conductive core has cylindrical upper end portion, and the cylindrical upper end portion of described conductive core is provided with outward
Screw thread, bottom are provided with the attachment structure for being electrically connected with conducting copper, the middle part of described conductive core be inlaid in described absolutely
In the central through hole of edge mounting seat, cylindrical upper end portion stretches out from described central through hole upper port, bottom leads to from described center
Hole lower port is stretched out；External cable can be fixed and be electrically connected with described connection electrode phase by described cable connection mechanism；Institute
The bottom surface stating connection electrode is provided with bottom surface screwed hole, and described contact terminal becomes the one-level cylinder of big and coaxial setting successively by diameter
Conductor, two grades of cylindrical conductors are connected with three-level cylindrical conductor composition, and the side face of described one-level cylindrical conductor is provided with external screw thread, institute
The screwed hole top stating locking nut is provided with annular flange flange, and the annular flange flange of described locking nut is placed on described two grades of cylindrical conductors
Outside and be seated on the top surface of described three-level cylindrical conductor, and between described two grades of cylindrical conductors and annular flange flange through hole, institute
State and between three-level cylindrical conductor and the screwed hole hole wall of locking nut, all leave gap, the one-level cylindrical conductor of described contact terminal
Is connected with the bottom surface screwed hole engagement of described connection electrode so that: in the screwed hole of described locking nut and the cylinder of conductive core
During the part engagement of shape upper end, described contact terminal and connection electrode can be freely rotatable with respect to described conductive core, described
When the cylindrical upper end portion of the screwed hole of locking nut and conductive core is at a fully engaged, the annular flange flange of described locking nut can be by
Described contact terminal is pressed abd fixed on the top surface of described conductive core；Described insulation external member is closely coated on described insulating mounting
On seat, locking nut, connection electrode and the connect external cable of described connection electrode.
Improvement embodiment as the present invention: described connection electrode be provided with the first cross through hole being parallel to each other, second
Cross through hole, the 3rd cross through hole and the 4th cross through hole, and corresponding described first cross through hole of described connection electrode be provided with to
Lack a first longitudinal direction screwed hole, corresponding described second cross through hole is provided with least one second longitudinal direction screwed hole, corresponding described
3rd cross through hole is provided with least one the 3rd longitudinal threaded bore, corresponding described 4th cross through hole is provided with and described second longitudinal direction
4th longitudinal threaded bore of screwed hole equal number, wherein, described first longitudinal direction screwed hole, second longitudinal direction screwed hole and the 3rd indulge
All it is opened in the top surface of described connection electrode to screwed hole and is respectively communicated with corresponding cross through hole, each the described 4th is indulged
All connect between described second cross through hole and the 4th cross through hole to screwed hole and with a described second longitudinal direction screwed hole
Coaxial；
Described cable connection mechanism each described cross through hole corresponding is provided with a piece of arc tabletting each institute corresponding
State longitudinal threaded bore and be provided with a housing screw；Described arc tabletting is placed in corresponding cross through hole and is adjacent to and inserting this horizontal stroke
To on the external cable in through hole, described housing screw is meshed with corresponding longitudinal threaded bore and will be with this longitudinal threaded bore pair
Arc tabletting in the cross through hole answered is pressed on corresponding external cable.
In order to ensure an insulation for comprehensive outlet terminal, sealing and water resistance, and make this comprehensive outlet terminal more
It is easy to repeat dismounting to reduce the cost of overhaul, as a modification of the present invention: the top surface of described contact terminal is provided with top surface peace
Dress hole；
Described insulation external member includes insulating lid, insulation plug and cold-contraction type cable sleeve；Described insulation plug is by plug master
Body is connected with plug boss composition, the plug boss of described insulation plug is inlaid in the top surface installing hole of described contact terminal,
Plug main body is located and is fitted tightly on the top surface of described contact terminal, described cold-contraction type cable sleeve be provided with upper orifice, under
The mouth of pipe corresponding each external cable being electrically connected with described connection electrode is provided with a cable mouth of pipe, described cold-contraction type
Cable sleeve is closely coated on described insulating mounting seat, locking nut, connection electrode, insulation plug and described connection electrode and is connect
On external cable, wherein, the upper orifice of described cold-contraction type cable sleeve is enclosed within described insulation plug upper, lower tube muzzle described exhausted
In edge mounting seat, cable mouthpiece cover on corresponding external cable, described insulating lid covers in described cold-contraction type cable sleeve
On upper orifice.
As the preferred embodiment of the present invention: described cold-contraction type cable sleeve is transparent chilling shrink type cable accessory.
In order that on the cold-contraction type cable sleeve top that is more easy to be enclosed within insulating mounting seat, and increase cold-contraction type cable sleeve patch
The tightness degree being combined in insulating mounting seat top to strengthen the sealing to insulating mounting seat for the cold-contraction type cable sleeve, as this
Bright a kind of improvement embodiment: the shaped upper part of described insulating mounting seat is up-small and down-big taper type.
As the preferred embodiment of the present invention: described insulating mounting seat is made using heat cured insulation material.
As the preferred embodiment of the present invention: the side wall medium position of described insulating mounting seat is provided around described center
The annular boss of through hole, and the bottom surface of described annular boss is provided around described central through hole and arranges and be located at each installation described
Annular groove inside through hole.
As the preferred embodiment of the present invention: described annular boss is provided with multiple peaces around described central through hole arrangement
Dress through hole；The bottom of described conductive core is provided with parallel two mounting plane, described for being electrically connected with conducting copper
Attachment structure be to run through the perforation of described two mounting planes.
A kind of outlet construction of distribution transformer it is characterised in that: the corresponding described distribution transformer of described outlet construction
A phase line, b phase line, c phase line and zero line be equipped with the comprehensive outlet terminal described in a claim 7；Described distribution transformer
On the tank cover of device its a phase line corresponding, b phase line, c phase line and zero line be equipped with a terminal installation through-hole and with described insulation
The installation through-hole quantity identical terminal fixing bolt of mounting seat, each terminal fixing bolt described is installed logical around described terminal
Hole arrangement is simultaneously corresponding with the installation through-hole position of described insulating mounting seat；The annular boss of described comprehensive outlet terminal
Annular groove in be embedded with sealing ring, the insulating mounting seat bottom of described comprehensive outlet terminal is inlaid in described tank cover
In corresponding terminal installation through-hole and stretch into the fuel tank internal of described distribution transformer, the installation through-hole of annular boss is enclosed within correspondence
Terminal fixing bolt outside so that the oil of described distribution transformer is stretched in the conductive core bottom of described comprehensive outlet terminal
Inside case, and the annular boss of described comprehensive outlet terminal is located and is close in the outside wall surface of described tank cover,
Described terminal fixing bolt by be connected with nut the insulating mounting seat of described comprehensive outlet terminal is pressed abd fixed on described
On the tank cover of distribution transformer；The conductive core of described comprehensive outlet terminal by through described attachment structure bolt and
The conducting copper of nut phase line corresponding with described distribution transformer or zero line connects, the connection electrode of described comprehensive outlet terminal
Connected with the external cable of corresponding phase line or zero line by described cable connection mechanism.
In above-mentioned outlet construction, realize insulating mounting seat in distribution by multiple installation through-holes are arranged on annular boss
Installation on the tank cover of transformator is fixed, and this can reduce the intensity of annular boss, in order to improve the quality of insulating mounting seat,
The present invention also can cancel setting installation through-hole on annular boss, and eliminates the insulation of installation through-hole on annular boss using this
The outlet that mounting seat realizes following distribution transformer constructs:
A kind of outlet construction of distribution transformer it is characterised in that: the corresponding described distribution transformer of described outlet construction
A phase line, b phase line, c phase line and zero line be equipped with comprehensive outlet terminal and one piece of annular pressure described in a claim 7
Plate；On the tank cover of described distribution transformer, its a phase line corresponding, b phase line, c phase line and zero line are equipped with a terminal and install
Through hole and multiple terminal fixing bolt, each terminal fixing bolt described is arranged around described terminal installation through-hole；Described full side
It is embedded with sealing ring, under the insulating mounting seat of described comprehensive outlet terminal in the annular groove of annular boss of position outlet terminal
Portion is inlaid in described tank cover corresponding terminal installation through-hole and stretches into the fuel tank internal of described distribution transformer so that institute
The fuel tank internal of described distribution transformer, described comprehensive outlet terminal are stretched in the conductive core bottom stating comprehensive outlet terminal
Annular boss be located and be close in the outside wall surface of described tank cover, described annular pressing plate is enclosed within described insulating mounting seat
Outside top, described annular pressing plate is pressed on described annular boss by being connected with nut by each terminal fixing bolt described
So that the insulating mounting seat of described comprehensive outlet terminal is pressed abd fixed on the tank cover of described distribution transformer on top surface
On；The conductive core of described comprehensive outlet terminal is by screw bolt and nut and the described distribution transformer through described attachment structure
The conducting copper of corresponding phase line or zero line connects, and the connection electrode of described comprehensive outlet terminal is by described cable connection mechanism
Connect with the external cable of corresponding phase line or zero line.
Compared with prior art, the method have the advantages that
First, the comprehensive outlet terminal of the present invention is arranged on the tank cover of distribution transformer, its insulating mounting seat
It is relatively fixed with tank cover with conductive core, a phase line/b phase line/c phase line/zero line of fuel tank internal can pass sequentially through conduction
External cable electrical connection outside core, contact terminal and connection electrode and fuel tank, realizes a phase line/b phase line/c of fuel tank internal
Phase line/zero line leads to fuel tank in fuel tank；And locking nut and conductive core cylindrical upper end portion only part engage
When, the contact terminal outside positioned at fuel tank and connection electrode can be freely rotatable with respect to 360 ° of tank cover, become according to distribution
The cable distribution at depressor scene and the convenience of cabling, by rotating contact terminal and connection electrode, that is, enable to connection electrode
Mounting interface and distribution transformer scene external cable bearing of trend consistent, thus external cable is by cable connection mechanism
Need not bend when being connected in connection electrode, decrease because of the inharmonious produced mount stress of external cable setting angle
The contact heating impact that during operation, stress is led to, therefore, the present invention can adjust the direction connecting external cable, has conveniently
Install, versatility is high, the advantage of easy-to-connect, product can be met to greatest extent and install and use requirement, and cable can be saved
Consumption；
Second, the present invention using the connection electrode being provided with cross through hole and longitudinal threaded bore, and, be provided with arc tabletting and
The cable connection mechanism of housing screw, realizes fixing external cable with connection electrode phase and being electrically connected, thus, external cable
May be installed on this comprehensive outlet terminal terminal without pressing assembly ear, it is to avoid the operation of line ear crimping is to external cable
Damage, and, housing screw acts on external cable by arc tabletting, make laterally leading to of external cable deformation and connection electrode
Hole hole wall comprehensive engagement, increased contact area, reduces contact resistance, thus also bringing higher while reducing loss
Electrical Safety performance；And, the thread connecting mode of housing screw and longitudinal threaded bore can be easy to external cable repeat tear open
Dress, simplifies mounting process and is easy to distribution transformer and carries out on-site maintenance.
3rd, using the insulation external member being provided with insulating lid, insulation plug and cold-contraction type cable sleeve, it passes through cold the present invention
Contracting formula cable sleeve realizes the Fast Installation sealing of the conductor to this comprehensive outlet terminal, is carried using cold-contraction type cable sleeve
Prestressing force so that there is prestressing force in the interface contact face between each conductor of comprehensive outlet terminal and conductor, can achieve
The waterproof requirement of ip68, to meet the waterproof requirement of distribution transformer particularly Covered transformer, meanwhile, cold-contraction type cable joint-box
Pipe easy for installation, greatly reduce sealing difficulty, decrease the consumption of each phase encapsulant；And, by insulating lid with absolutely
Edge plug is capable of thorough seal insulation, and insulating lid and insulation plug can easily repeat to dismount, thus true
In the case of insulation, sealing and the water resistance of comprehensive outlet terminal that break even, this comprehensive outlet terminal is made to be more convenient for repeating
Dismounting is to reduce the cost of overhaul.
4th, the present invention adopts transparent chilling shrink type cable accessory as cold-contraction type cable sleeve, observable terminal and cable
Installation quality it is often more important that, when product runs, observable terminal running status, can note abnormalities in time, and can in time
Using effective measures it is ensured that Electrical Safety.
Brief description
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the perspective view of the comprehensive outlet terminal of the present invention, in figure not shown insulation external member 7；
Fig. 2 is that the comprehensive outlet terminal of the present invention partly cuts open structural representation, in figure when being arranged on distribution transformer
Not shown housing screw 602.
Specific embodiment
As depicted in figs. 1 and 2, the comprehensive outlet terminal of the distribution transformer of the present invention, is provided with insulating mounting seat 1, leads
Battery core 2, locking nut 3, contact terminal 4, connection electrode 5, cable connection mechanism 6 and insulation external member 7；Insulating mounting seat 1 is provided with
Central through hole, conductive core 2 has cylindrical upper end portion, and the cylindrical upper end portion of conductive core 2 is provided with external screw thread, bottom is provided with
For the attachment structure being electrically connected with conducting copper 8, the middle part of conductive core 2 is inlaid in the central through hole of insulating mounting seat 1,
Cylindrical upper end portion stretches out from central through hole upper port, bottom is stretched out from central through hole lower port；Cable connection mechanism 6 can
External cable 9 and connection electrode 5 are mutually fixed and be electrically connected；The bottom surface of connection electrode 5 is provided with bottom surface screwed hole, contact terminal
4 become 401, two grades of cylindrical conductors 402 of one-level cylindrical conductor and three-level cylindrical conductor 403 phase of big and coaxial setting successively by diameter
Even constitute, and the side face of one-level cylindrical conductor 401 is provided with external screw thread, the screwed hole top of locking nut 3 is provided with annular flange flange
301, outside the annular flange flange 301 of locking nut 3 is placed on two grades of cylindrical conductors 402 and be seated in the top of three-level cylindrical conductor 403
On face, and between two grades of cylindrical conductors 402 and annular flange flange 301 through hole, the screw thread of three-level cylindrical conductor 403 and locking nut 3
Gap is all left, the one-level cylindrical conductor 401 of contact terminal 4 is engaged with the bottom surface screwed hole of connection electrode 5 even between the hole wall of hole
Connect so that: when the screwed hole of locking nut 3 is engaged with the cylindrical upper end portion part of conductive core 2, contact terminal 4 and connect
Electrode 5 can be freely rotatable with respect to conductive core 2, complete in the screwed hole of locking nut 3 and the cylindrical upper end portion of conductive core 2
During engagement, contact terminal 4 can be pressed abd fixed on the top surface of conductive core 2 for the annular flange flange 301 of locking nut 3；Insulation sleeve
Part 7 is closely coated on insulating mounting seat 1, locking nut 3, connection electrode 5 and the connect external cable 9 of connection electrode 5.Wherein,
Insulating mounting seat 1 preferably employs heat cured insulation material and makes.
Above-mentioned connection electrode 5 is provided with the first cross through hole 5a being parallel to each other, the second cross through hole 5b, the 3rd cross through hole
5c and the 4th cross through hole 5d, and the corresponding first cross through hole 5a of connection electrode 5 be provided with least one first longitudinal direction screwed hole 5e,
Corresponding second cross through hole 5b is provided with least one second longitudinal direction screwed hole 5f, corresponding 3rd cross through hole 5c is provided with least one
3rd longitudinal threaded bore 5g, corresponding 4th cross through hole 5d are provided with longitudinal spiral shell with the 4th of second longitudinal direction screwed hole 5f equal number the
Pit 5h, wherein, first longitudinal direction screwed hole 5e, second longitudinal direction screwed hole 5f and the 3rd longitudinal threaded bore 5g are all opened in connection electricity
The top surface of pole 5 is simultaneously respectively communicated with corresponding cross through hole, and each the 4th longitudinal threaded bore 5h all connects and laterally leads to second
Between hole 5b and the 4th cross through hole 5d and coaxial with a second longitudinal direction screwed hole 5f.
Above-mentioned cable connection mechanism 6 each cross through hole corresponding is provided with a piece of arc tabletting 601 and corresponding each is vertical
It is provided with a housing screw 602 to screwed hole；Arc tabletting 601 is placed in corresponding cross through hole and is adjacent to inserting that this is horizontal
On external cable 9 in through hole, housing screw 602 is meshed with corresponding longitudinal threaded bore and will be corresponding with this longitudinal threaded bore
Cross through hole in arc tabletting 601 be pressed on corresponding external cable 9.
In order to ensure an insulation for comprehensive outlet terminal, sealing and water resistance, and make this comprehensive outlet terminal more
It is easy to repeat dismounting to reduce the cost of overhaul, as a modification of the present invention: the top surface of above-mentioned contact terminal 4 is provided with top surface peace
Dress hole.Above-mentioned insulation external member 7 includes insulating lid 701, insulation plug 702 and cold-contraction type cable sleeve 703；Insulation plug 702 by
Plug main body 7021 is connected with plug boss 7022 composition, and the plug boss 7022 of insulation plug 702 is inlaid in contact terminal 4
In top surface installing hole, plug main body 7021 is located and is fitted tightly on the top surface of contact terminal 4, cold-contraction type cable sleeve 703
It is provided with upper orifice, lower nozzle and the corresponding each external cable 9 with connection electrode 5 electrical connection is provided with a cable mouth of pipe,
Cold-contraction type cable sleeve 703 is closely coated on insulating mounting seat 1, locking nut 3, connection electrode 5, insulation plug 702 and connects
On the connect external cable 9 of electrode 5, wherein, the upper orifice of cold-contraction type cable sleeve 703 is enclosed within insulation plug 702 upper, lower tube muzzle
On insulating mounting seat 1, cable mouthpiece cover on corresponding external cable 9, insulating lid 701 covers in cold-contraction type cable sleeve
On 703 upper orifice.Wherein, cold-contraction type cable sleeve 703 is preferably transparent chilling shrink type cable accessory.
In order that on the cold-contraction type cable sleeve top that is more easy to be enclosed within insulating mounting seat, and increase cold-contraction type cable sleeve patch
The tightness degree being combined in insulating mounting seat top to strengthen the sealing to insulating mounting seat for the cold-contraction type cable sleeve, as this
Bright a kind of improvement embodiment: the shaped upper part of above-mentioned insulating mounting seat 1 is up-small and down-big taper type.
As the preferred embodiment of the present invention: the side wall medium position of above-mentioned insulating mounting seat 1 is provided around center and leads to
The annular boss 101 in hole, annular boss 101 is provided with multiple installation through-hole 101a around central through hole arrangement, and annular boss
101 bottom surface is provided around central through hole and arranges and be located at the annular groove inside each installation through-hole 101a.Above-mentioned conductive core 2
Bottom be provided with parallel two mounting plane, be to run through two for the attachment structure that is electrically connected with conducting copper 8
The perforation 2a of mounting plane.
The outlet construction of the distribution transformer of the present invention, a phase line of its corresponding distribution transformer, b phase line, c phase line and zero
Line is equipped with an above-mentioned comprehensive outlet terminal；Its a phase line corresponding, b phase line, c phase on the tank cover 10 of distribution transformer
Line and zero line is equipped with a terminal installation through-hole and the installation through-hole 101a quantity identical terminal with insulating mounting seat 1 is fixed
Bolt 1001, each terminal fixing bolt 1001 is arranged and the installation through-hole with insulating mounting seat 1 around terminal installation through-hole
101a position is corresponding；It is embedded with sealing ring 11, Quan Fang in the annular groove of annular boss 101 of comprehensive outlet terminal
Insulating mounting seat 1 bottom of position outlet terminal is inlaid in the corresponding terminal installation through-hole of tank cover 10 and stretches into distribution transformer
Outside the fuel tank internal of device, the installation through-hole 101a of annular boss 101 are enclosed within corresponding terminal fixing bolt 1001 so that full side
The fuel tank internal of distribution transformer is stretched in conductive core 2 bottom of position outlet terminal, and makes the annular of comprehensive outlet terminal
Boss 101 is located and is close in the outside wall surface of tank cover 10, and terminal fixing bolt 1001 will be entirely square by being connected with nut
The insulating mounting seat 1 of position outlet terminal is pressed abd fixed on the tank cover 10 of distribution transformer；The leading of comprehensive outlet terminal
Battery core 2 by connecting through the screw bolt and nut phase line corresponding with distribution transformer of attachment structure or the conducting copper 8 of zero line, entirely
The connection electrode 5 of orientation outlet terminal is connected with the external cable 9 of corresponding phase line or zero line by cable connection mechanism 6.Wherein,
The position that comprehensive outlet terminal is installed can be in distribution transformer case lid top or the fuel tank cap of casing side locations
Plate 10.
The installation steps of the outlet construction of above-mentioned distribution transformer are as follows:
First, conductive core 2 is fitted in insulating mounting seat 1, and insulating mounting seat 1 is fixed on distribution by nut and become
On the tank cover 10 of depressor, wherein, the conducting copper 8 of conductive core 2 corresponding phase line internal with distribution transformer or zero line connects；
Secondly, by locking nut, 3 sets are attached on contact terminal 4, then contact terminal 4 engagement is fixed in connection electrode 5, and will lock
Nut 3 is engaged with the cylindrical upper end portion part of conductive core 2, now, rotates contact terminal 4 and connection electrode 5 so that contact jaw
First to fourth cross through hole 5a, 5b, 5c, 5d of son 4 is towards the bearing of trend of external cable 9；Then, by external cable 9 even
Insert in first to fourth cross through hole 5a, 5b, 5c, 5d of contact terminal 4 with arc tabletting 601, then pass through housing screw 602
Arc tabletting 601 is pressed on corresponding external cable 9, thus realize a phase line/b phase line within distribution transformer fuel tank/
C phase line/zero line leads to the outside of distribution transformer fuel tank by the comprehensive outlet terminal of the present invention；Finally, insulation is installed
External member 7, realizes the comprehensive insulation encapsulating to comprehensive outlet terminal.
In above-mentioned outlet construction, realize insulating mounting by multiple installation through-hole 101a are arranged on annular boss 101
Seat 1 installation on the tank cover 10 of distribution transformer is fixed, and this can reduce the intensity of annular boss 101, in order to improve absolutely
The quality of edge mounting seat 1, the present invention also can cancel setting installation through-hole 101a on annular boss 101, and is eliminated using this
On annular boss 101 the insulating mounting seat 1 of installation through-hole 101a realize following distribution transformer outlet construction:
The a phase line of the corresponding distribution transformer of outlet construction of this distribution transformer, b phase line, c phase line and zero line are equipped with one
The individual comprehensive outlet terminal of claim 7 and one piece of annular pressing plate；Corresponding its a phase line, b on the tank cover 10 of distribution transformer
Phase line, c phase line and zero line are equipped with a terminal installation through-hole and multiple terminal fixing bolt, each terminal fixing bolt cincture
Terminal installation through-hole is arranged；It is embedded with sealing ring 11 in the annular groove of annular boss 101 of comprehensive outlet terminal, comprehensive
Insulating mounting seat 1 bottom of outlet terminal is inlaid in the corresponding terminal installation through-hole of tank cover 10 and stretches into distribution transformer
Fuel tank internal so that the fuel tank internal of distribution transformer is stretched in conductive core 2 bottom of comprehensive outlet terminal, comprehensive go out
The annular boss 101 of line terminals is located and is close in the outside wall surface of tank cover 10, and annular pressing plate is enclosed within insulating mounting seat 1
Outside top, annular pressing plate is pressed on the top surface of annular boss 101 with nut by each terminal fixing bolt 1001 by being connected
Above so that the insulating mounting seat 1 of comprehensive outlet terminal is pressed abd fixed on the tank cover 10 of distribution transformer；Comprehensive go out
The conductive core 2 of line terminals is by through the screw bolt and nut phase line corresponding with distribution transformer of attachment structure or the conductive copper of zero line
Row 8 connection, the connection electrode 5 of comprehensive outlet terminal passes through the external cable 9 of cable connection mechanism 6 and corresponding phase line or zero line
Connect.
The present invention is not limited to above-mentioned specific embodiment, according to the above, according to the ordinary technical knowledge of this area
And customary means, under the premise of without departing from the present invention above-mentioned basic fundamental thought, the present invention can also make other various ways
Equivalent modifications, replacement or change, all fall among protection scope of the present invention.
Claims (10)
1. a kind of distribution transformer comprehensive outlet terminal it is characterised in that: described comprehensive outlet terminal is provided with insulation
Mounting seat (1), conductive core (2), locking nut (3), contact terminal (4), connection electrode (5), cable connection mechanism (6) and insulation
External member (7)；Described insulating mounting seat (1) is provided with central through hole, and described conductive core (2) has cylindrical upper end portion, and described leads
The cylindrical upper end portion of battery core (2) is provided with external screw thread, bottom is provided with the connection knot for being electrically connected with conducting copper (8)
Structure, the middle part of described conductive core (2) is inlaid in the central through hole of described insulating mounting seat (1), cylindrical upper end portion is from described
Central through hole upper port is stretched out, bottom is stretched out from described central through hole lower port；Described cable connection mechanism (6) can outward
Portion's cable (9) and described connection electrode (5) are mutually fixing and are electrically connected；The bottom surface of described connection electrode (5) is provided with bottom surface screw thread
Hole, described contact terminal (4) becomes the one-level cylindrical conductor (401) of big and coaxial setting, two grades of cylindrical conductors successively by diameter
(402) be connected composition with three-level cylindrical conductor (403), and the side face of described one-level cylindrical conductor (401) is provided with external screw thread, described
The screwed hole top of locking nut (3) is provided with annular flange flange (301), and the annular flange flange (301) of described locking nut (3) is placed on institute
Outside stating two grades of cylindrical conductors (402) and be seated on the top surface of described three-level cylindrical conductor (403), and described two grades of cylinders are led
Between body (402) and annular flange flange (301) through hole, the screwed hole hole wall of described three-level cylindrical conductor (403) and locking nut (3)
Between all leave gap, the bottom surface screw thread of the one-level cylindrical conductor (401) of described contact terminal (4) and described connection electrode (5)
Hole engagement connect so that: when the screwed hole of described locking nut (3) is engaged with the cylindrical upper end portion part of conductive core (2),
Described contact terminal (4) and connection electrode (5) can be freely rotatable with respect to described conductive core (2), in described locking nut (3)
Screwed hole and conductive core (2) cylindrical upper end portion at a fully engaged when, annular flange flange (301) energy of described locking nut (3)
Enough described contact terminal (4) is pressed abd fixed on the top surface of described conductive core (2)；Described insulation external member (7) is closely coated on
In described insulating mounting seat (1), locking nut (3), connection electrode (5) and the connect external cable of described connection electrode (5) (9).
2. comprehensive outlet terminal according to claim 1 it is characterised in that: described connection electrode (5) is provided with mutually flat
First cross through hole (5a) of row, the second cross through hole (5b), the 3rd cross through hole (5c) and the 4th cross through hole (5d), and institute
State connection electrode (5) described first cross through hole (5a) of correspondence to be provided with described at least one first longitudinal direction screwed hole (5e), correspondence
Second cross through hole (5b) is provided with least one second longitudinal direction screwed hole (5f), corresponding described 3rd cross through hole (5c) be provided with to
Few 3rd longitudinal threaded bore (5g), corresponding described 4th cross through hole (5d) are provided with and described second longitudinal direction screwed hole (5f)
4th longitudinal threaded bore (5h) of equal number, wherein, described first longitudinal direction screwed hole (5e), second longitudinal direction screwed hole (5f) and
3rd longitudinal threaded bore (5g) is all opened in the top surface of described connection electrode (5) and is respectively communicated with corresponding cross through hole, often
One described 4th longitudinal threaded bore (5h) all connects between described second cross through hole (5b) and the 4th cross through hole (5d)
And it is coaxial with a described second longitudinal direction screwed hole (5f)；
Described cable connection mechanism (6) each described cross through hole corresponding is provided with a piece of arc tabletting (601) and correspondence is each
Individual described longitudinal threaded bore is provided with a housing screw (602)；Described arc tabletting (601) is placed in corresponding cross through hole simultaneously
It is adjacent on the external cable (9) inserting in this cross through hole, described housing screw (602) is nibbled with corresponding longitudinal threaded bore phase
Merge and the arc tabletting (601) in cross through hole corresponding with this longitudinal threaded bore is pressed on corresponding external cable (9).
3. comprehensive outlet terminal according to claim 1 it is characterised in that: the top surface of described contact terminal (4) is provided with
Top surface installing hole；
Described insulation external member (7) includes insulating lid (701), insulation plug (702) and cold-contraction type cable sleeve (703)；Described exhausted
Edge plug (702) is connected with plug boss (7022) by plug main body (7021) and constitutes, and the plug of described insulation plug (702) is convex
Platform (7022) is inlaid in the top surface installing hole of described contact terminal (4), plug main body (7021) is located and is fitted tightly over institute
State on the top surface of contact terminal (4), described cold-contraction type cable sleeve (703) be provided with upper orifice, lower nozzle and corresponding each with
The external cable (9) that described connection electrode (5) is electrically connected is provided with a cable mouth of pipe, described cold-contraction type cable sleeve (703)
Closely it is coated on described insulating mounting seat (1), locking nut (3), connection electrode (5), insulation plug (702) and described connection electricity
On the connect external cable in pole (5) (9), wherein, the upper orifice of described cold-contraction type cable sleeve (703) is enclosed within described insulation plug
(702) upper, lower tube muzzle described insulating mounting seat (1) is upper, cable mouthpiece cover on corresponding external cable (9), described absolutely
Edge lid (701) covers on the upper orifice of described cold-contraction type cable sleeve (703).
4. comprehensive outlet terminal according to claim 3 it is characterised in that: described cold-contraction type cable sleeve (703) is
Transparent chilling shrink type cable accessory.
5. comprehensive outlet terminal according to claim 3 it is characterised in that: the top shape of described insulating mounting seat (1)
Shape is up-small and down-big taper type.
6. comprehensive outlet terminal according to claim 1 it is characterised in that: described insulating mounting seat (1) is using warm
Solidity insulant is made.
7. the comprehensive outlet terminal according to claim 1 to 6 any one it is characterised in that: described insulating mounting seat
(1) side wall medium position is provided around the annular boss (101) of described central through hole, the bottom surface of described annular boss (101)
It is provided around described central through hole to arrange and be located at the annular groove inside described each installation through-hole (101a).
8. comprehensive outlet terminal according to claim 7 it is characterised in that: described annular boss (101) is provided with multiple
Installation through-hole (101a) around described central through hole arrangement；The bottom of described conductive core (2) is provided with parallel two peace
Dress plane, described is to run through the perforation of described two mounting planes for the attachment structure being electrically connected with conducting copper (8)
(2a).
9. a kind of distribution transformer outlet construction it is characterised in that: a of the corresponding described distribution transformer of described outlet construction
Phase line, b phase line, c phase line and zero line are equipped with the comprehensive outlet terminal described in a claim 8；Described distribution transformer
Tank cover (10) its a phase line upper corresponding, b phase line, c phase line and zero line be equipped with a terminal installation through-hole and with described absolutely
Installation through-hole (101a) quantity identical terminal fixing bolt (1001) of edge mounting seat (1), each terminal fixing bolt described
(1001) arrange and installation through-hole (101a) the position phase with described insulating mounting seat (1) around described terminal installation through-hole
Corresponding；It is embedded with sealing ring (11) in the annular groove of annular boss (101) of described comprehensive outlet terminal, described comprehensive
Insulating mounting seat (1) bottom of outlet terminal is inlaid in the corresponding terminal installation through-hole of described tank cover (10) and stretches into institute
State the fuel tank internal of distribution transformer, the installation through-hole (101a) of annular boss (101) is enclosed within corresponding terminal fixing bolt
(1001) so that conductive core (2) bottom of described comprehensive outlet terminal is stretched in the fuel tank of described distribution transformer outside
Portion, and so that the annular boss (101) of described comprehensive outlet terminal is located and be close to the outer wall of described tank cover (10)
On face, described terminal fixing bolt (1001) is by being connected the insulating mounting seat (1) of described comprehensive outlet terminal with nut
It is pressed abd fixed on the tank cover (10) of described distribution transformer；The conductive core (2) of described comprehensive outlet terminal is passed through to wear
The conducting copper (8) of the screw bolt and nut phase line corresponding with described distribution transformer or zero line of crossing described attachment structure connects, institute
State the connection electrode (5) of the comprehensive outlet terminal external electrical by described cable connection mechanism (6) and corresponding phase line or zero line
Cable (9) connects.
10. a kind of distribution transformer outlet construction it is characterised in that: the corresponding described distribution transformer of described outlet construction
A phase line, b phase line, c phase line and zero line are equipped with comprehensive outlet terminal and one piece of annular pressing plate described in a claim 7；
Upper its a phase line corresponding of the tank cover (10) of described distribution transformer, b phase line, c phase line and zero line are equipped with a terminal and install
Through hole and multiple terminal fixing bolt, each terminal fixing bolt described is arranged around described terminal installation through-hole；Described full side
Be embedded with sealing ring (11) in the annular groove of annular boss (101) of position outlet terminal, described comprehensive outlet terminal exhausted
Edge mounting seat (1) bottom is inlaid in the corresponding terminal installation through-hole of described tank cover (10) and stretches into described distribution transformer
Fuel tank internal so that conductive core (2) bottom of described comprehensive outlet terminal is stretched in the fuel tank of described distribution transformer
Portion, the annular boss (101) of described comprehensive outlet terminal is located and is close in the outside wall surface of described tank cover (10), institute
State outside the top that annular pressing plate is enclosed within described insulating mounting seat (1), each terminal fixing bolt (1001) described by with spiral shell
Female connect described annular pressing plate is pressed on the top surface of described annular boss (101) so that described comprehensive outlet terminal
Insulating mounting seat (1) is pressed abd fixed on the tank cover (10) of described distribution transformer；The leading of described comprehensive outlet terminal
Battery core (2) is by through the screw bolt and nut phase line corresponding with described distribution transformer of described attachment structure or the conductive copper of zero line
Row (8) connects, the connection electrode (5) of described comprehensive outlet terminal by described cable connection mechanism (6) and corresponding phase line or
The external cable (9) of zero line connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784786.XA CN106373746B (en) | 2016-08-31 | 2016-08-31 | A kind of comprehensive outlet terminal of distribution transformer and outlet construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784786.XA CN106373746B (en) | 2016-08-31 | 2016-08-31 | A kind of comprehensive outlet terminal of distribution transformer and outlet construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106373746A true CN106373746A (en) | 2017-02-01 |
| CN106373746B CN106373746B (en) | 2018-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610784786.XA Active CN106373746B (en) | 2016-08-31 | 2016-08-31 | A kind of comprehensive outlet terminal of distribution transformer and outlet construction |
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| Country | Link |
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| CN (1) | CN106373746B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412353A (en) * | 2018-12-05 | 2019-03-01 | 张祝萍 | A kind of wiring connections for the pin slot sectionalized busbar in generating set |
| CN110364844A (en) * | 2019-08-13 | 2019-10-22 | 合肥恒大江海泵业股份有限公司 | A kind of high current connecting terminal |
| CN110364844B (en) * | 2019-08-13 | 2024-05-14 | 合肥恒大江海泵业股份有限公司 | High-current wiring terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2063491A1 (en) * | 2007-11-23 | 2009-05-27 | Jean Müller GmbH Elektrotechnische Fabrik | Connecting terminal for a transformer |
| CN204481148U (en) * | 2015-03-17 | 2015-07-15 | 广东佰昌电力设备有限公司 | A kind of integrated wiring terminal and apply this terminal three-phase transformer outlet structure |
-
2016
- 2016-08-31 CN CN201610784786.XA patent/CN106373746B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2063491A1 (en) * | 2007-11-23 | 2009-05-27 | Jean Müller GmbH Elektrotechnische Fabrik | Connecting terminal for a transformer |
| CN204481148U (en) * | 2015-03-17 | 2015-07-15 | 广东佰昌电力设备有限公司 | A kind of integrated wiring terminal and apply this terminal three-phase transformer outlet structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412353A (en) * | 2018-12-05 | 2019-03-01 | 张祝萍 | A kind of wiring connections for the pin slot sectionalized busbar in generating set |
| CN109412353B (en) * | 2018-12-05 | 2019-12-24 | 佛山市奥力博动力工程有限公司 | Wiring connection device for pin slot segmented bus in generator set |
| CN110364844A (en) * | 2019-08-13 | 2019-10-22 | 合肥恒大江海泵业股份有限公司 | A kind of high current connecting terminal |
| CN110364844B (en) * | 2019-08-13 | 2024-05-14 | 合肥恒大江海泵业股份有限公司 | High-current wiring terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106373746B (en) | 2018-03-09 |
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Address after: Area A1, factory building, Taiji industrial town, Yinzhan management area, Longtang Town, Qingcheng District, Qingyuan City, Guangdong Province, 511500 Patentee after: Guangdong Baichang Energy Technology Co.,Ltd. Address before: 511542 area A1 of Taiji industrial city factory building, Yinzhan management area, Longtang Town, Qingcheng District, Qingyuan City, Guangdong Province Patentee before: GUANGDONG BAICHANG ELECTRIC POWER EQUIPMENT CO.,LTD. |