CN106405182A - Single-phase meter - Google Patents
Single-phase meter Download PDFInfo
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- CN106405182A CN106405182A CN201610756010.7A CN201610756010A CN106405182A CN 106405182 A CN106405182 A CN 106405182A CN 201610756010 A CN201610756010 A CN 201610756010A CN 106405182 A CN106405182 A CN 106405182A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/36—Induction meters, e.g. Ferraris meters
- G01R11/38—Induction meters, e.g. Ferraris meters for single-phase operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- General Physics & Mathematics (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a single-phase meter. The single-phase meter comprises a lower casing, an upper casing connected with the lower casing, a wiring seat, and a relay and a mutual inductor which are mounted in the lower casing, wherein a first incoming terminal, a first outgoing terminal, a second incoming terminal and a second outgoing terminal are sequentially inserted into four terminal jacks from left and right, the first incoming terminal and the first outgoing terminal are connected with the relay, the first incoming terminal comprises an inner connection end and an outer connection end molded at a lower end of the inner connection end, a lead slot is molded at a lower end of the outer connection end, and the lead slot is internally connected with a conductive sleeve ring. The single-phase meter is advantaged in that the mutual inductor is detachable to make the first outgoing terminal directly connect with the relay, the single-phase meter has no superfluous connection nodes, resistance of the first outgoing terminal is reduced, heat is reduced, and service life of the single-phase meter is prolonged.
Description
Technical field
The invention belongs to technical field of electric power, more particularly, to a kind of single-phase electric meter.
Background technology
The Chinese utility model patent of Patent No. 201320236205.0 proposes a kind of electromagnetism with diamagnetic structure
The intelligent electric meter of formula current transformer；Described intelligent electric meter includes ammeter base, relay, electromagnetic current transducer, connects
Line terminals and primary current conductor；Electromagnetic current transducer has annular core；Above-mentioned intelligent electric meter is due to employing electricity
The axis of the annular core of magnetic-type current transformer is arranged perpendicular to the baseplane of ammeter base so that the first iron of transformer
Core, the second iron core once by when produced magnetic field and the magnetic field produced by magnet of electric energy meter bottom be mutually perpendicular to, electricity
Can table bottom magnetic field produced by magnet would not disturb the first iron core and the second iron core primary current by when produced
Magnetic field.
But, it is connected with relay by electromagnetic current transducer in electric wire, in electric wire and electromagnetic current transducer
Junction, has connecting node, increases the resistance at this, leads to caloric value to increase, has shortened above-mentioned intelligent electric meter
Service life.
In addition, the general structure of the binding post of electric energy meter bottom is to be molded electric wire slot in binding post bottom, connecing
On front side of line terminals attachment screw in order to by wire clamping in electric wire slot, but due to electric wire diameter always be less than electric wire slot
Internal diameter, such electric wire outer wall and electric wire slot inwall form linear contact lay, are also only that line connects between screw front end and electric wire outer wall
Touch, so leading to contact resistance between electric wire and wiring slot greatly, wiring socket portion caloric value can be led to when electric current is larger
Greatly, electric energy meter components aging, the whole service life of impact electric energy meter are accelerated.
Content of the invention
The technical problem to be solved is：In view of the shortcomings of the prior art, a kind of electric wire that reduces is provided to send out
Heat, thus the electric energy meter increasing the service life.
For realizing the purpose of the present invention, employ the following technical solutions and be achieved：A kind of single-phase electric meter, including lower house,
It is connected to the upper shell on lower house, junction block, and be arranged on the relay in lower casing body and transformer.
Described lower house lower end forms seat board；Described junction block is arranged on seat board；Junction block is located on described seat board
Two side positions are fixedly connected with buckle.
Described junction block both sides side wall is fixedly connected with and the described card article being buckled to fix.
Each side wall upper part of described junction block forms draw-in groove；Described junction block upper surface forms four terminal insertion ports；
Described junction block front end face forms four front breach；The position of described junction block lower surface each terminal insertion ports corresponding forms
Incoming line；The front breach of correspondence position on described junction block, terminal insertion ports and incoming line communicate.
Four terminal insertion ports are plugged with the first input terminal from left to right successively, the first outlet terminal, the second input terminal,
And second outlet terminal.
Described first input terminal, the first outlet terminal are connected with relay respectively.
It is fixedly connected with by lock-screw a between described second input terminal top and described second outlet terminal top
Connection sheet.
Described first input terminal includes interior connection end, and the outer connection end being molded over interior connection end lower end；Described outer
Connection end lower end forms wire slot；It is connected with conductive lasso in described wire slot.
Described conduction lasso include multiple interior flange collars being placed equidistant vertically, and be molded over adjacent interior up and down flange collar it
Between outer flange collar；Described conduction lasso lower sides form screw and hold hole；Described conduction lasso lower end is fixedly connected with lower block
Circle.
Multiple longitudinal strip shape gobs are uniformly formed along outer flange collar circumference in each outer flange collar and interior flange collar；In flange collar in each
Circumferentially uniformly form 3 ~ 5 interior cards；Described interior card is located between two neighboring longitudinal strip shape gob；In described interior flange collar
Upper lateral port is formed above interior card；4 outer cards are circumferentially uniformly formed on the outer flange collar of the top；Institute
State that outer flange collar is upper to form lower lateral port below outer card.
The position of the corresponding outer card of described wire slot upper inside wall forms location hole.
Described first outlet terminal includes interior connection end and outer connection end；The lower end of described interior connection end be connected with
The transformer installation portion of described lower house plane perpendicular, the transformer installation portion other end is connected with parallel with lower house bottom surface
The transition connection portion of setting, the other end of transition connection portion and outer connection end integrally connected；Described outer connection end lower end forms
Wire slot；In described wire slot, conductive lasso is installed.
Described second input terminal includes interior connection end, is molded over the outer connection end of interior linkage section lower end；Described interior connection
End top forms screw hole b；The periphery being located at screw hole b on described interior connection end uniformly forms multiple flange collars；Described outer
Connection end lower end forms wire slot；In described wire slot, conductive lasso is installed.
Described second outlet terminal is identical with the second input terminal structure.
Described first input terminal, the first outlet terminal, the second input terminal, the bottom of the second outlet terminal connect respectively
There is push pedal；Described plate upper end is offseted with the lower back-up ring of described conduction lasso lower end.
Each described outer connection end lower front side forms the push pedal socket with push pedal cooperation positioning respectively；Push away described in each
Plate socket bottom surface is slope；Position above push pedal socket is located on each described outer connection end and forms screw hole a；Respectively
Position below push pedal socket is located on individual described outer connection end and forms screw hole c.
Described push pedal includes the bandy riser in top, and is molded over riser inner face two side lower part and perpendicular to perpendicular
The plate of plate setting, described plate lower surface is the inclined-plane being slidably connected with the cooperation of described slope；Corresponding spiral shell on described riser
The position of nail a forms screw perforation a；It is located at below plate on described riser and the position of corresponding screw hole c forms spiral shell
Nail perforation b.
It is connected with lock-screw a in described screw hole a；It is connected with lock-screw b in described screw hole c；
The inner end position being located at slope in each described outer connection end forms locating groove；Described plate lower surface forms
Positioning dop with locating groove cooperation positioning.
Described transformer includes main part and Plug Division；Described main part is integrally U-shaped, forms one in the middle of main part
U-shaped mouth, main part two ends form two interfaces, and two interfaces are located along the same line.
Described Plug Division is plugged between two described interfaces；Described transformer is arranged in the first outlet terminal and connects
Connect on end, described transformer installation position is in the perforation that U-shaped mouth is formed with Plug Division.
Described main part includes the shell of ambroin material, is arranged on the first iron core of the U-shaped of inside the shell, and around
Winding outside the first iron core for the system, described shell is formed by the halfbody snapping of two symmetrical configuration.
Described Plug Division includes the housing of ambroin material and is arranged on the second iron core of the bar shaped in housing, institute
The second iron core and the first iron core after outside housing so that Plug Division is installed on main part is exposed in the side stating the second iron core two ends
Surround the iron core-closed of a rectangle.
It is located on described shell and forms dop on the inwall away from the first core ends for the interface, and card is located on shell
The side of head forms deformation gap；The bayonet socket being coordinated positioning clamping with described dop is formed on described housing exterior walls；Described
One end of housing forms the end location-plate that area is more than described interface.
Compared with prior art, the invention has the beneficial effects as follows：Described conduction lasso interpolation sets electric wire, when conductive lasso
When being compressed axially, interior flange collar middle part inwardly produces deformation clamping electric wire, and outer flange collar middle part outwards produces simultaneously
Deformation is tight against the contact on wire slot inwall so that between electric wire and conductive lasso, between conductive lasso and wire slot
Area is all sufficiently large, so that electric wire is little with the resistance of wire slot connecting portion, heating is less it is ensured that the use longevity of ammeter
Life；In addition, the inside top in interior card end being located in interior flange collar extends being clamped on electric wire outer wall, electric wire is in insertion conductive sleeve
It is not easy after circle to deviate from；Outer card in outer flange collar is stuck in positioning in the hole, and when lock-screw a unclamps, conductive lasso is not
Can be from incoming line landing.
When the contact surface of interior connection end and connecting plate is plane it is ensured that contact resistance between the two is sufficiently small,
So higher to the requirement on machining accuracy of contact surface, processing cost is also high, therefore is molded multiple flange collars and is connected on interior connection end
Plate offsets although contact area is less, but the flange collar not being definitely smooth when tightening lock-screw a is easier to produce deformation,
Making good contact between flange collar and connecting plate it is ensured that having less contact resistance between the two, reducing sending out of this link position
Heat.
When push pedal promotion inward-facing along slope, push pedal can move up simultaneously, thus plate is upwardly described leading
Electric lasso is allowed to compress upwards；First screw lock-screw b, become to making plate gradually slid inward, the positioning dop to push pedal with
Locating groove snap-fit, now conductive sleeve circle be substantially at the stable state compressed, electric wire will not take off from conductive lasso
From then continuing to tighten lock-screw a, so that lock-screw a end and electric wire is pushed against.
Top due to riser is bent outwardly, and need not consider the wire thicknesses being arranged in conductive lasso, as lock-screw a
While end is pushed against with electric wire, riser top all can be compressed by lock-screw a.
Described transformer does not have unnecessary connection for detachable so that the first outlet terminal is directly connected with relay
Node, decreases the resistance value of the first outlet terminal part, reduces caloric value, extend the service life of ammeter.
Due to transformer being arranged on transformer installation portion so that transformer parallel to the baseplane of electric energy meter base
The magnet institute of iron core produced magnetic field and electric energy meter bottom when primary current passes through that the first iron core, the second iron core are constituted
The magnetic field producing is mutually perpendicular to, and the first iron core and the second iron core would not be disturbed in magnetic field produced by the magnet of electric energy meter bottom
The produced magnetic field when primary current passes through, so, the transformer in electric energy meter need not have can, just can resist external magnetic field
Interference to transformer it is ensured that transformer in electric energy meter to the normal sample of primary current it is ensured that the metering of electric energy meter
Precision；On the one hand, reduce the manufacture difficulty of transformer, on the other hand, also reduce electric energy meter cost and weight, to electricity
The installation of energy table and use bring conveniently.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the exploded view of the present invention.
Fig. 3 is junction block, the first input terminal, the first outlet terminal, the second input terminal, the second outlet terminal, mutual inductance
Device, the structural representation of connection sheet.
Fig. 4 is the first input terminal, the first outlet terminal, the second input terminal, the second outlet terminal, transformer, connection
The exploded view of piece.
Fig. 5 is the sectional view of the first input terminal.
Fig. 6 is the exploded view of the first input terminal.
Fig. 7 is the structural representation of conductive lasso.
Fig. 8 is the A portion enlarged drawing of Fig. 7.
Fig. 9 is the B portion enlarged drawing of Fig. 7.
Figure 10 is the structural representation of the first outlet terminal.
Figure 11 is the structural representation of the second input terminal.
Figure 12, Figure 13 are the structural representations of push pedal.
Figure 14, Figure 15 are the exploded views of transformer.
Figure 16 is the structural representation of lock-screw a in embodiment 2.
Figure 17 is the decomposition texture sectional view of lock-screw a in Figure 16.
1st, lower house；11st, seat board；12nd, buckle；2nd, upper shell；3rd, junction block；31st, card article；32nd, draw-in groove；33rd, terminal is inserted
Mouthful；34th, front breach；35th, incoming line；4th, relay；5th, transformer；51st, main part；511st, U-shaped mouth；512nd, interface；513、
First iron core；514th, deformation gap；515th, dop；52nd, Plug Division；520th, bayonet socket；521st, end location-plate；522nd, the second iron
Core；61st, the first input terminal；62nd, the first outlet terminal；63rd, the second input terminal；64th, the second outlet terminal；601st, interior connection
End；601a, transformer installation portion；601b, transition connection portion；602nd, outer connection end；6021st, location hole；603rd, wire slot；
604th, push pedal socket；605th, slope；606th, locating groove；607th, screw hole a；608th, screw hole b；609th, flange collar；600th, spiral shell
Nail c；65th, connection sheet；66th, push pedal；661st, portrait；662nd, screw perforation a；663rd, plate；664th, position dop；665th, screw
Perforation b；67th, conductive lasso；670th, screw holds mouth；671st, lower back-up ring；672nd, outer flange collar；673rd, interior flange collar；674th, longitudinal bar shaped
Mouthful；675th, interior card；676th, upper lateral port；677th, outer card；678th, lower lateral port；68th, lock-screw a；69th, lock-screw b.
Specific embodiment
Below according to accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
According to Fig. 1 to Figure 15, a kind of single-phase electric meter described in the present embodiment, including lower house 1, it is connected to lower house
Upper shell 2 on 1, junction block 3, and it is arranged on the relay 4 in lower casing body and transformer 5.
Described lower house lower end forms seat board 11；Described junction block 3 is arranged on seat board 11；It is located on described seat board and connect
Line seat two side position is fixedly connected with buckle 12.
Described junction block 3 both sides side wall is fixedly connected with and the described card article 31 being buckled to fix；Described junction block leads to
Cross buckle 12 to be fixedly connected on seat board 11 with card article 31, reduce difficulty during installation.
Described each side wall upper part of junction block 3 forms draw-in groove 32；Described junction block upper surface forms four terminals and inserts
Mouth 33；Described junction block front end face forms four front breach 34；The position of described junction block lower surface each terminal insertion ports corresponding
Put and form incoming line 35；The front breach of correspondence position on described junction block 3, terminal insertion ports and incoming line communicate；Described wiring
The draw-in groove of seat front end face is inserted with lower house bottom with upper mounting shell bottom grafting cooperation, the draw-in groove on described junction block two side top
Connecing cooperation, by this configuration simplifies the installation of junction block, and enhancing junction block and upper mounting shell, between lower house simultaneously
Steadiness.
Four terminal insertion ports are plugged with the first input terminal 61, the first outlet terminal 62, the second inlet wire from left to right successively
Terminal 63, and the second outlet terminal 64.
Described first input terminal 61, the first outlet terminal 62 are connected with relay 4 respectively.
Fixed by lock-screw a68 between described second input terminal 63 top and described second outlet terminal 64 top
It is connected with connection sheet 65.
Described first input terminal includes interior connection end 601, and the outer connection end 602 being molded over interior connection end lower end；
Described outer connection end lower end forms wire slot 603；It is connected with conductive lasso 67 in described wire slot.
Described conduction lasso 67 includes multiple interior flange collars 673 being placed equidistant vertically, and is molded over adjacent interior up and down
Outer flange collar 672 between flange collar；Described conduction lasso lower sides form screw and hold hole 670；Described conduction lasso lower end is solid
Surely it is connected with lower back-up ring 671.
Multiple longitudinal strip shape gobs 674 are uniformly formed along outer flange collar circumference in each outer flange collar and interior flange collar；Each convex
3 ~ 5 interior cards 675 are circumferentially uniformly formed on circle；Described interior card is located between two neighboring longitudinal strip shape gob；Described
Interior flange collar is upper to form upper lateral port 676 above interior card；4 are circumferentially uniformly formed in the outer flange collar of the top
Individual outer card 677；Described outer flange collar is upper to form lower lateral port 678 below outer card.
The position of the corresponding outer card of described wire slot upper inside wall forms location hole 6021.
Described conduction lasso interpolation sets electric wire, and when conductive lasso is compressed axially, interior flange collar middle part is inwardly produced
Raw deformation clamping electric wire, simultaneously outer flange collar middle part produce outside deformation tight against on wire slot inwall so that electric wire and
Contact area between conductive lasso, between conductive lasso and wire slot is all sufficiently large, so that electric wire is with wire slot even
The resistance of socket part position is little, and heating is less it is ensured that the service life of ammeter；In addition, the interior card end being located in interior flange collar is inside
Top extension is clamped on electric wire outer wall, and electric wire is not easy to deviate from after the conductive lasso of insertion；Wild card in outer flange collar
Piece is stuck in positioning in the hole, and when lock-screw a unclamps, conductive lasso will not be from incoming line landing.
Described first outlet terminal includes interior connection end 601 and outer connection end 602；The lower end of described interior connection end integrally connects
Be connected to the transformer installation portion 601a with described lower house plane perpendicular, the transformer installation portion 601a other end be connected with
Transition connection portion 601b that lower house bottom surface be arranged in parallel, the other end of transition connection portion 601b and outer connection end integrally connected；
Described outer connection end lower end forms wire slot 603；Conductive lasso 67 is installed in described wire slot.
Described second input terminal includes interior connection end 601, is molded over the outer connection end 602 of interior linkage section lower end；Described
Interior connection end top forms screw hole b608；On described interior connection end be located at screw hole b periphery uniformly form multiple convex
Circle 609；Described outer connection end lower end forms wire slot 603；Conductive lasso 67 is installed in described wire slot.
When the contact surface of interior connection end and connecting plate is plane it is ensured that contact resistance between the two is sufficiently small,
So higher to the requirement on machining accuracy of contact surface, processing cost is also high, therefore is molded multiple flange collars and is connected on interior connection end
Plate offsets although contact area is less, but the flange collar not being definitely smooth when tightening lock-screw a is easier to produce deformation,
Making good contact between flange collar and connecting plate it is ensured that having less contact resistance between the two, reducing sending out of this link position
Heat.
Described second outlet terminal is identical with the second input terminal structure.
Described first input terminal 61, the first outlet terminal 62, the second input terminal 63, the bottom of the second outlet terminal 64
It is connected to push pedal 66；Described plate upper end is offseted with the lower back-up ring of described conduction lasso lower end；
Each described outer connection end lower front side forms the push pedal socket 604 with push pedal 66 cooperation positioning respectively；Described in each
Push pedal socket bottom surface is slope 605；Position above push pedal socket is located on each described outer connection end and forms screw
Hole a607；Position below push pedal socket is located on each described outer connection end and forms screw hole c600.
Described push pedal 66 includes the bandy riser in top 661, and is molded over riser inner face two side lower part and hangs down
The straight plate 663 in riser setting, described plate lower surface is the inclined-plane being slidably connected with the cooperation of described slope；Described riser
The position of upper corresponding screw hole a forms screw perforation a662；It is located at below plate and corresponds to the position of screw hole c on described riser
Put and form screw perforation b665.
It is connected with lock-screw a68 in described screw hole a；It is connected with lock-screw b69 in described screw hole c.
The inner end position being located at slope in each described outer connection end forms locating groove 606；Described plate lower end
Face forms the positioning dop 664 with locating groove cooperation positioning.
When push pedal promotion inward-facing along slope, push pedal can move up simultaneously, thus plate is upwardly described leading
Electric lasso is allowed to compress upwards；When, first screw lock-screw b, become to making plate gradually slid inward, the positioning dop to push pedal
With locating groove snap-fit, now conductive sleeve circle be substantially at the stable state compressed, electric wire will not be from conductive lasso
Depart from, then continue to tighten lock-screw a, so that lock-screw a end is pushed against with electric wire.
Top due to riser is bent outwardly, and need not consider the wire thicknesses being arranged in conductive lasso, as lock-screw a
While end is pushed against with electric wire, riser top all can be compressed by lock-screw a.
Described transformer includes main part 51 and Plug Division 52；Described main part is integrally U-shaped, is formed in the middle of main part
One U-shaped mouth 511, main part two ends form two interfaces 512, and two interfaces are located along the same line.
Described Plug Division is plugged between two described interfaces；Described transformer is arranged in the first outlet terminal and connects
Connect on end, described transformer installation position is in the perforation that U-shaped mouth is formed with Plug Division.
Described main part includes the shell of ambroin material, is arranged on the first iron core 513 of the U-shaped of inside the shell, with
And it is wound on winding outside the first iron core, described shell is formed by the halfbody snapping of two symmetrical configuration.
Described Plug Division includes the housing of ambroin material and is arranged on the second iron core of the bar shaped in housing
522, the side at described second iron core two ends expose housing outer so that Plug Division be installed on main part after the second iron core and the
One iron core surrounds the iron core-closed of a rectangle.
It is located on described shell and forms dop 515 on the inwall away from the first core ends for the interface, and shell is upper
Form deformation gap 514 in the side of dop；The card being coordinated positioning clamping with described dop is formed on described housing exterior walls
Mouth 520；One end of described housing forms the end location-plate 521 that area is more than described interface.
Described transformer does not have unnecessary connection for detachable so that the first outlet terminal is directly connected with relay
Node, decreases the resistance value of the first outlet terminal part, reduces caloric value, extend the service life of ammeter.
Due to transformer being arranged on transformer installation portion so that transformer parallel to the baseplane of electric energy meter base
The magnet institute of iron core produced magnetic field and electric energy meter bottom when primary current passes through that the first iron core, the second iron core are constituted
The magnetic field producing is mutually perpendicular to, and the first iron core and the second iron core would not be disturbed in magnetic field produced by the magnet of electric energy meter bottom
The produced magnetic field when primary current passes through, so, the transformer in electric energy meter need not have can, just can resist external magnetic field
Interference to transformer it is ensured that transformer in electric energy meter to the normal sample of primary current it is ensured that the metering of electric energy meter
Precision；On the one hand, reduce the manufacture difficulty of transformer, on the other hand, also reduce electric energy meter cost and weight, to electricity
The installation of energy table and use bring conveniently.
Embodiment 2
In conjunction with Figure 16 and Figure 17, the present embodiment makes following improvement on the basis of embodiment 1：Described second input terminal,
It is connected by lock-screw a68 between the interior connection end of two outlet terminals and connection sheet, this lock-screw a68 is molded vertically
There is internal thread hole, and internal thread hole is front wide and rear narrow bellmouth, the screw thread in internal thread hole is left hand thread, lock-screw a
The screw thread of outer wall is right-handed thread；4 strip crevices are circumferentially equidistantly offered, strip crevice is from lock on described lock-screw a
The nut bottom of tight screw a extends to lock-screw a front end；Described internal thread hole internal thread is connected with a front wide and rear narrow cone
Shape screw 682, cone screw outer wall corresponding shaping has left hand thread.
Described cone screw is connected on lock-screw a in advance, during use, first passes through lock-screw a in connection sheet
Through hole, is then threadeded with interior connection end, and lock-screw a screws after putting in place, then continues to screw cone screw clockwise, this
Sample cone screw can move towards lock-screw a rear end, makes the screw hole on the outside distending of lock-screw a outer wall and interior connection end
Through-hole wall on b and connection sheet is fitted close, and makes contact resistance reach minimum.
In addition, cone screw is in is located at lock-screw a front end during initial position, away from the nut of lock-screw a, will not
The locking of impact lock-screw a.
Additionally, described conductive lasso is made up of memorial alloy, and after longitudinal strip shape gob shaping of conductive lasso, leading
The surface of electric lasso is coated with silver material layer, and the thickness of silver material layer is the 1/3 of memorial alloy thickness；Described conduction lasso upper in
The thickness of the medium position of longitudinal strip shape gob length direction is the 2/3 of other part thickness.So by the electric current of electric wire relatively
When big, Wire temperature can raise, and the conductive lasso of memorial alloy material is heated the deformation making generation compression direction so that outer flange collar
Pressure and wire slot between, between interior flange collar and electric wire outer wall increases, and contact resistance reduces, simultaneously conductive lasso upper in
The relatively thin contact area making between conductive lasso and wire slot, electric wire outer wall of the medium position of longitudinal strip shape gob length direction
Increase, similarly serve to favor reduction contact resistance, it is to avoid the outer connection end part excessive heating because contact resistance is excessive.
Claims (1)
1. a kind of single-phase electric meter it is characterised in that：Including lower house, it is connected to the upper shell on lower house, junction block, Yi Jian
It is contained in the relay in lower casing body and transformer；
Described lower house lower end forms seat board；Described junction block is arranged on seat board；Junction block both sides are located on described seat board
Position is fixedly connected with buckle；
Described junction block both sides side wall is fixedly connected with and the described card article being buckled to fix；
Each side wall upper part of described junction block forms draw-in groove；Described junction block upper surface forms four terminal insertion ports；Described
Junction block front end face forms four front breach；The position of described junction block lower surface each terminal insertion ports corresponding forms inlet wire
Mouthful；The front breach of correspondence position on described junction block, terminal insertion ports and incoming line communicate；
Four terminal insertion ports are plugged with the first input terminal from left to right successively, the first outlet terminal, the second input terminal, and
Second outlet terminal；
Described first input terminal, the first outlet terminal are connected with relay respectively；
It is fixedly connected with by lock-screw a between described second input terminal top and described second outlet terminal top and be connected
Piece；
Described first input terminal includes interior connection end, and the outer connection end being molded over interior connection end lower end；Described outer connection
End lower end forms wire slot；It is connected with conductive lasso in described wire slot；
Described conduction lasso includes multiple interior flange collars being placed equidistant vertically, and is molded between adjacent interior up and down flange collar
Outer flange collar；Described conduction lasso lower sides form screw and hold hole；Described conduction lasso lower end is fixedly connected with lower back-up ring；
Multiple longitudinal strip shape gobs are uniformly formed along outer flange collar circumference in each outer flange collar and interior flange collar；Along week in flange collar in each
To uniformly forming 3 ~ 5 interior cards；Described interior card is located between two neighboring longitudinal strip shape gob；Described interior flange collar upper in
Lateral port is formed above interior card；4 outer cards are circumferentially uniformly formed on the outer flange collar of the top；Described outer
It is located in flange collar and form lower lateral port below wild card piece；
The position of the corresponding outer card of described wire slot upper inside wall forms location hole；
Described first outlet terminal includes interior connection end and outer connection end；The lower end of described interior connection end be connected with described
The transformer installation portion of lower house plane perpendicular, the transformer installation portion other end is connected with and is be arranged in parallel with lower house bottom surface
Transition connection portion, the other end of transition connection portion and outer connection end integrally connected；Described outer connection end lower end forms wire
Slot；In described wire slot, conductive lasso is installed；
Described second input terminal includes interior connection end, is molded over the outer connection end of interior linkage section lower end；On described interior connection end
Portion forms screw hole b；The periphery being located at screw hole b on described interior connection end uniformly forms multiple flange collars；Described outer connection
End lower end forms wire slot；In described wire slot, conductive lasso is installed；
Described second outlet terminal is identical with the second input terminal structure；
Described first input terminal, the first outlet terminal, the second input terminal, the bottom of the second outlet terminal are connected to and push away
Plate；Described plate upper end is offseted with the lower back-up ring of described conduction lasso lower end；
Each described outer connection end lower front side forms the push pedal socket with push pedal cooperation positioning respectively；Each described push pedal is inserted
Mouth bottom surface is slope；Position above push pedal socket is located on each described outer connection end and forms screw hole a；Each institute
The position being located at below push pedal socket is stated on outer connection end and forms screw hole c；
Described push pedal includes the bandy riser in top, and is molded over riser inner face two side lower part and sets perpendicular to riser
The plate put, described plate lower surface is the inclined-plane being slidably connected with the cooperation of described slope；Corresponding screw hole a on described riser
Position form screw perforation a；It is located at below plate on described riser and the position of corresponding screw hole c forms screw perforation
b；
It is connected with lock-screw a in described screw hole a；It is connected with lock-screw b in described screw hole c；
The inner end position being located at slope in each described outer connection end forms locating groove；Described plate lower surface forms
Positioning dop with locating groove cooperation positioning；
Described transformer includes main part and Plug Division；Described main part is integrally U-shaped, forms a U-shaped in the middle of main part
Mouthful, main part two ends form two interfaces, and two interfaces are located along the same line；
Described Plug Division is plugged between two described interfaces；Described transformer is arranged on the interior connection end of the first outlet terminal
On, described transformer installation position is in the perforation that U-shaped mouth is formed with Plug Division；
Described main part includes the shell of ambroin material, is arranged on the first iron core of the U-shaped of inside the shell, and is wound on
Winding outside first iron core, described shell is formed by the halfbody snapping of two symmetrical configuration；
Described Plug Division includes the housing of ambroin material and is arranged on the second iron core of the bar shaped in housing, and described
The side at two iron core two ends is exposed the second iron core and the first iron core after outside housing so that Plug Division is installed on main part and is surrounded
One rectangle iron core-closed；
It is located on described shell to form on the inwall away from the first core ends for the interface and dop is located on dop, and shell
Side forms deformation gap；The bayonet socket being coordinated positioning clamping with described dop is formed on described housing exterior walls；Described housing
One end form area be more than described interface end location-plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756010.7A CN106405182A (en) | 2016-08-29 | 2016-08-29 | Single-phase meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610756010.7A CN106405182A (en) | 2016-08-29 | 2016-08-29 | Single-phase meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106405182A true CN106405182A (en) | 2017-02-15 |
Family
ID=58002546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610756010.7A Pending CN106405182A (en) | 2016-08-29 | 2016-08-29 | Single-phase meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106405182A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679108A (en) * | 2020-06-09 | 2020-09-18 | 广东电网有限责任公司东莞供电局 | Binding post and electric energy meter of electric energy meter |
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| US5027056A (en) * | 1990-04-05 | 1991-06-25 | General Electric Company | Multifunction register enclosure for energy meter |
| US20110004357A1 (en) * | 2009-06-25 | 2011-01-06 | Michael Mathiowetz | System and method for single plug-in installation of a high voltage intelligent renewable energy grid-tied controller with wireless smart load management |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679108A (en) * | 2020-06-09 | 2020-09-18 | 广东电网有限责任公司东莞供电局 | Binding post and electric energy meter of electric energy meter |
| CN111679108B (en) * | 2020-06-09 | 2023-01-10 | 广东电网有限责任公司东莞供电局 | Binding post and electric energy meter of electric energy meter |
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Effective date of abandoning: 20190716 |