CN105353184B - A kind of splitter, relay and electronic electric energy meter - Google Patents
A kind of splitter, relay and electronic electric energy meter Download PDFInfo
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- CN105353184B CN105353184B CN201510647812.XA CN201510647812A CN105353184B CN 105353184 B CN105353184 B CN 105353184B CN 201510647812 A CN201510647812 A CN 201510647812A CN 105353184 B CN105353184 B CN 105353184B
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Abstract
The invention discloses a kind of splitter, relay and electronic electric energy meter, which includes the sampling resistor piece that high resistivity material is made；It is respectively equipped with a sampling foot in the front and back position relative to sample rate current flowing of sampling resistor piece；Two sampling feet are arranged respectively to substantially vertical with sampling resistor piece, and two sampling feet are in the same face of sampling resistor piece, to be used for directly mutually welding with pcb board as weld part, and keep sampling resistor piece and the pcb board that mutually welds substantially parallel.The present invention can improve the production efficiency of Product Assembly process；The accuracy of measuring instrumentss metering is effectively ensured in the ability that diamagnetic interference can be improved again.
Description
Technical field
The present invention relates to splitter applied technical field, more particularly to a kind of splitter that can be used directly to welding,
Relay and electronic electric energy meter.
Background technology
Splitter is connected to typically as the sample unit of measuring instrumentss in measuring loop, and splitter generally uses high electricity
Resistance rate material is made, for example copper-manganese material is made.The copper-manganese splitter of the prior art is typically directly or by one first
Conductive sheet is connected at the exit of electronic watch relay, and a sampling is respectively equipped in the end positions of copper-manganese splitter
Foot, two sampling feet are mutually fixed with the welding of corresponding one end of two conducting wires respectively, and the other end of two conducting wires is respectively connected to survey again
On the pcb board for measuring instrument, to realize the sampling to load circuit.This copper-manganese splitter of the prior art is primarily present two
Drawback：First, due to needing the both ends by two conducting wires to be respectively welded on copper-manganese splitter and pcb board, process is caused
It is cumbersome, cause production efficiency low, meanwhile, because of rosin joint when bonding wire is often susceptible to broken string or bonding wire, cause meter accuracy
It is a greater impact；Second is that because of conducting wire, when copper-manganese splitter is by magnetic interference, in the effect of alternating electromagnetic field
Under, the closed circuit that copper-manganese piece, conducting wire, pcb board are constituted will generate induced electromotive force, generate induced current, affect electricity
The accuracy of minor electric energy meter metering.
Invention content
It is an object of the invention to overcome the deficiency of the prior art, a kind of splitter, relay and electronic watt-hour are provided
Table is improved by structure, can improve the production efficiency of Product Assembly process；The ability that diamagnetic interference can be improved again, with effective
Ground ensures the accuracy of measuring instrumentss metering.
The technical solution adopted by the present invention to solve the technical problems is：A kind of splitter, including high resistivity material system
Sampling resistor piece made of work；It is respectively equipped with a sampling in the front and back position relative to sample rate current flowing of sampling resistor piece
Foot；Two sampling feet be arranged respectively to it is substantially vertical with sampling resistor piece, and two sampling feet be in the same of sampling resistor piece
Face to be used for directly mutually welding with pcb board as weld part, and keeps sampling resistor piece and the pcb board that mutually welds substantially parallel.
A first through hole that sampling resistor piece is penetrated in thickness direction is additionally provided in sampling resistor piece so that relative to
In direction of current flow, the entity part of the sampling resistor piece on first through hole both sides is divided into two parts.
The entity part of the sampling resistor piece on the first through hole both sides is divided into roughly equal.
At least one shape also after thickness direction bending of the entity part of the sampling resistor piece on the first through hole both sides
At bulge loop structure, and the bending direction of at least one bulge loop structure and sampling foot are coplanar.
The protrusion direction of the bulge loop structure of the entity part of the sampling resistor piece on the first through hole both sides is set as identical.
The protrusion direction of the bulge loop structure of the entity part of the sampling resistor piece on the first through hole both sides is set as opposite.
The bulge loop structure of the entity part of the sampling resistor piece on the first through hole both sides is relative to direction of current flow
On position align.
The bulge loop structure of the entity part of the sampling resistor piece on the first through hole both sides is relative to direction of current flow
On the position that is staggeredly located.
Described two sampling feet are respectively provided at the two sides along sample rate current flow direction of sampling resistor piece.
Described two sampling feet are respectively provided at a side along sample rate current flow direction of sampling resistor piece.
Described two sampling feet are respectively provided at the end positions relative to direction of current flow of first through hole.
A kind of relay, including the exit of relay and splitter as described above, the sampling resistor piece along
The wherein one end at the both ends of sample rate current flow direction is connected with the exit of relay.
The relay further includes the first conductive sheet and the second conductive sheet, and the both ends of the sampling resistor piece are respectively with first
Conductive sheet, the second conductive sheet are connected, and the splitter is connected to the exit of relay by the first conductive sheet.
First conductive sheet is made of the first conductive fragment and the second conductive fragment, wherein the second conductive fragment and institute
It states sampling resistor piece and is set as same plane, the first conductive fragment and the second conductive fragment are perpendicular, and the splitter passes through first
Conductive fragment is connected to the exit of relay.
A kind of electronic electric energy meter, including pcb board and splitter as described above or relay as described above；It is described
Pcb board, which is equipped with, to be used for welding mutually fixed pad with the sampling foot of the sampling resistor piece；Two of the sampling resistor piece
Sampling foot, which is respectively welded, to be fixed at the corresponding pad of pcb board, and keeps splitter and the pcb board substantially parallel.
It is also equipped with computation chip on the pcb board, deposited copper wire is additionally provided between the pad and computation chip, and therein
Projection of the sampling resistor piece on pcb board is divided into two regions by one deposited copper wire.
Projection of the sampling resistor piece on pcb board is divided into the roughly the same areas Liang Ge by a deposited copper wire therein
Domain.
The second through-hole for penetrating pcb board two sides is additionally provided on the pcb board, two when splitter sample foot and pcb board
When corresponding pad solder is mutually fixed, in the bulge loop structure of the entity part of the sampling resistor piece on the both sides, at least one
Bulge loop structure passes through the second through-hole of the pcb board and the highest part of bulge loop structure is made to appear in the another side of pcb board, described
The another side of pcb board and sampling resistor piece are opposite facing.
Compared with prior art, the beneficial effects of the invention are as follows：
1, substantially vertical with sampling resistor piece as a result of being arranged respectively to two sampling feet, and at two sampling feet
In the same face of sampling resistor piece, to be used for directly mutually welding with pcb board as weld part, and makes sampling resistor piece and mutually weld
Pcb board it is substantially parallel；The present invention this structure, so that it may with by the sampling foot of sampling resistor piece directly with pcb board (such as
Pcb board in ammeter) welding, it needs to weld sampling line instead of traditional relay, sampling line is again with the welding of ammeter pcb board
Technical process simplifies process, to make production efficiency greatly improve.
2, substantially vertical with sampling resistor piece as a result of being arranged respectively to two sampling feet, and at two sampling feet
In the same face of sampling resistor piece, to be used for directly mutually welding with pcb board as weld part, in this manner it is possible to eliminate because of bonding wire
Rosin joint when being often susceptible to broken string or bonding wire and lead to the drawbacks of meter accuracy is by larger impact, so that the quality of product is obtained
Prodigious promotion.
3, substantially vertical with sampling resistor piece as a result of being arranged respectively to two sampling feet, in this way, after welding,
On the one hand so that the horizontal plane of copper-manganese piece is parallel with the pcb board in ammeter, and the closed circuit formed is connected with PCB by splitter
Area be compared to the prior art connection type (passing through wire way) formed annulus area be obviously reduced, can subtract
Few magnetic disturbance, on the other hand, due to without conducting wire, it is possible to reduce the influence that conducting wire generates, it is diamagnetic dry to improve product
The ability disturbed, to reduce power frequency magnetic field interference.
4, as a result of the first through hole for being additionally provided with one in sampling resistor piece in thickness direction and penetrating sampling resistor piece,
So that on relative to direction of current flow, the entity part of the sampling resistor piece on first through hole both sides is divided into substantially phase
Deng；This structure of the present invention is divided due to splitter middle section and is lacked, in this manner it is possible to which the deposited copper wire using pcb board will be adopted
The equivalent area of sample resistor disc is divided into two parts, so that the induced current in be formed two circuits is cancelled out each other, to eliminate
Power frequency magnetic field interferes.
5, as a result of by at least one also in thickness side of the entity part of the sampling resistor piece on first through hole both sides
Bulge loop structure is formed after to bending, this structure of the invention can utilize the mutual pass of the deposited copper wire and bulge loop structure of pcb board
System so that the induced current for being formed by loop is cancelled out each other, to eliminate power frequency magnetic field interference.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But the present invention a kind of splitter, after
Electric appliance and electronic electric energy meter are not limited to embodiment.
Description of the drawings
Fig. 1 is the organigram of the splitter of one present invention of embodiment；
Fig. 2 is the organigram that splitter shown in FIG. 1 rotates a direction；
Fig. 3 is the rearview of splitter shown in FIG. 1；
Fig. 4 is the organigram of the relay of one present invention of embodiment；
Fig. 5 is the organigram that relay shown in Fig. 4 rotates a direction；
Fig. 6 is the organigram of the electronic electric energy meter of one present invention of embodiment；
Fig. 7 is that the electronic electric energy meter of one present invention of embodiment rotates the organigram in a direction；
Fig. 8 is the structural schematic diagram of the electronic electric energy meter of comparative example；
Fig. 9 is the structural schematic diagram of the electronic electric energy meter of one present invention of embodiment；
Figure 10 is the D structure schematic diagram of the electronic electric energy meter after the pcb board adaptation design of one present invention of embodiment；
Figure 11 is the solid in one direction of electronic electric energy meter rotation after the pcb board adaptation design of one present invention of embodiment
Organigram；
Figure 12 is the vertical view of electronic electric energy meter shown in Figure 11；
Figure 13 is the side view of electronic electric energy meter shown in Figure 11；
Figure 14 is that the electronic electric energy meter of one present invention of embodiment eliminates the schematic diagram of magnetic disturbance；
Figure 15 is that the electronic electric energy meter of one present invention of embodiment eliminates the schematic diagram of magnetic disturbance (another direction)；
Figure 16 is the organigram of the splitter of two present invention of embodiment；
Figure 17 is the organigram that splitter shown in Figure 16 rotates a direction；
Figure 18 is the front view of splitter shown in Figure 16；
Figure 19 is the organigram of the splitter of three present invention of embodiment；
Figure 20 is the rearview of splitter shown in Figure 19；
Figure 21 is the organigram of the splitter of the example IV present invention；
Figure 22 is the organigram that splitter shown in Figure 21 rotates a direction；
Figure 23 is the organigram of the splitter of five present invention of embodiment；
Figure 24 is the front view of splitter shown in Figure 23；
Figure 25 is the organigram of the relay of five present invention of embodiment；
Figure 26 is the organigram of the electronic electric energy meter of five present invention of embodiment；
Figure 27 is the vertical view of electronic electric energy meter shown in Figure 26；
Figure 28 is the side view of electronic electric energy meter shown in Figure 26；
Figure 29 is that the electronic electric energy meter of five present invention of embodiment eliminates the schematic diagram of magnetic disturbance；
Figure 30 is the organigram of the relay of six present invention of embodiment；
Figure 31 is the organigram of the electronic electric energy meter of six present invention of embodiment；
Figure 32 is the organigram of the relay of seven present invention of embodiment；
Figure 33 is the organigram of the relay of eight present invention of embodiment.
Specific implementation mode
Embodiment one
Shown in Fig. 1 to Fig. 3, a kind of splitter of the invention, including the sampling that high resistivity material is made are electric
Hinder piece 3；It is respectively equipped with a sampling foot in the front and back position relative to sample rate current flowing of sampling resistor piece 3, that is, samples foot
31, foot 32 is sampled；Two sampling feet 31,32 are arranged respectively to substantially vertical with sampling resistor piece, may be used in sampling resistor
Piece ontology is bent to form after extending, and two sampling feet 31,32 are in the same face of sampling resistor piece 3, to be used as weld part
It is directly mutually welded with pcb board, and keeps sampling resistor piece and the pcb board that mutually welds substantially parallel.The sampling resistor of the present embodiment
Piece is made using copper-manganese material, hereinafter referred to as copper-manganese piece.
In order to realize that the connection with relay, the both ends of sampling resistor piece 3 are also connected with the first conductive sheet 1 and the second conductive sheet
2, the first conductive sheet 1 and the second conductive sheet 2 are the both ends along sample rate current flow direction for being connected to sampling resistor piece 3, the
One conductive sheet 1 and the second conductive sheet 2 may be used pure copper material and be made.Sampling resistor piece 3 and the first conductive sheet 1, second
Connection between conductive sheet 2 can be riveting, can also be welding such as ion beam weldering, arc welding, electric resistance welding, soldering, laser
The various ways such as weldering.
A first through hole that sampling resistor piece is penetrated in thickness direction is additionally provided in sampling resistor piece 3 so that opposite
In in direction of current flow, the entity part of the sampling resistor piece on first through hole both sides is divided into roughly equal.The present embodiment
In, first through hole is strip hole 33, which is divided into the entity part 34,35 of the copper-manganese piece on both sides roughly equal.
Certainly, first through hole can also be the hole of other shapes, such as circular hole, elliptical aperture, waist slotted hole, rectangular opening etc..
The entity part of the copper-manganese piece on the both sides of the strip hole forms convex after the thickness direction of splitter distinguishes bending
Ring structure, the i.e. entity part 34 of copper-manganese piece are equipped with bulge loop structure 341, and the entity part 35 of copper-manganese piece is equipped with bulge loop structure 351.
In the present embodiment, the protrusion direction of the bulge loop structure of the entity part of the copper-manganese piece on the both sides is on the contrary, i.e. copper-manganese
The protrusion direction of the bulge loop structure 341 of the entity part 34 of piece is identical as the sampling direction of foot 31,32, the entity part of copper-manganese piece
The protrusion direction of 35 bulge loop structure 351 is opposite with the sampling direction of foot 31,32.
First conductive sheet 1 of the splitter is used for being connected with the exit of relay, is additionally provided on the second conductive sheet 2
For providing the pin 21 of power supply signal to ammeter, mutually welded with pcb board to realize, which is also and copper-manganese piece 3
Face is substantially vertical, and is in the same face of copper-manganese piece 3 with two sampling feet 31,32.
In the present embodiment, the bulge loop structure of the entity part of the sampling resistor piece on the both sides is relative to electric current flowing side
Upward position aligns；That is, the bulge loop of the bulge loop structure 341 of the entity part 34 of copper-manganese piece and the entity part 35 of copper-manganese piece
Structure 351 aligns relative to the position in direction of current flow.
Described two sampling feet are respectively provided at the both sides along sample rate current flow direction of copper-manganese piece, that is, a sampling
Foot 32 be arranged to 21 same side of pin, and be in one end close to the second conductive sheet 2, that is, at pin 21, another
Sampling foot 31 is arranged to the another side opposite with pin 21, and is in close to one end of the first conductive sheet 1.
Shown in Fig. 4 to Fig. 5, a kind of relay of the invention, including the exit of relay 4 and it is connected to the extraction
The splitter as described above at end, splitter is the exit that relay 4 is connected to by the first conductive sheet 1；The splitter
The first conductive sheet 1 be made of 11 and second conductive fragment 12 of the first conductive fragment, wherein the second conductive fragment 12 and the manganese
Copper sheet 3 is set in the same plane, and the first conductive fragment 11 and the second conductive fragment 12 are perpendicular, and the splitter is led by first
Electric fragment 11 is connected to the exit of relay 4.
Shown in Fig. 6 to Fig. 7, a kind of electronic electric energy meter of the invention, including pcb board 5 and relay as described above
Device 4；The pcb board 5, which is equipped with, to be used for welding mutually fixed pad with the sampling foot of the splitter of the relay；The relay
Two of the splitter of device sampling feet 31,32 are respectively welded and are fixed at the corresponding pad of pcb board, and make sampling resistor piece 3 with
The pcb board 5 is substantially parallel.
The present invention is substantially vertical with sampling resistor piece 3 as a result of being arranged respectively to two sampling feet 31,32, and two
A sampling foot 31,32 is in the same face of sampling resistor piece, to be used for directly mutually welding with pcb board as weld part, and makes to adopt
Sample resistor disc 3 and the pcb board 5 mutually welded are substantially parallel；This structure of the present invention, so that it may to pass through the sampling of sampling resistor piece
Foot 31,32 is directly welded with pcb board, needs to weld sampling line instead of traditional relay, sampling line is welded with ammeter pcb board again
The technical process connect, simplifies process, to make production efficiency greatly improve.
The present invention is substantially vertical with sampling resistor piece 3 as a result of being arranged respectively to two sampling feet 31,32, and two
A sampling foot 31,32 is in the same face of sampling resistor piece 3, to be used for directly mutually welding with pcb board as weld part, in this way,
Lead to the drawbacks of meter accuracy is by larger impact due to the rosin joint when bonding wire is often susceptible to broken string or bonding wire can be eliminated,
The quality of product is set to be greatly improved.
The present invention is substantially vertical with sampling resistor piece 3 as a result of being arranged respectively to two sampling feet 31,32, this
Sample, after welding, on the one hand, so that the horizontal plane of copper-manganese piece is parallel with the pcb board in ammeter, connected with pcb board by splitter
The annulus area that the area of the closed circuit of formation is compared to the connection type formation of the prior art is obviously reduced, and can subtract
Few magnetic disturbance, on the other hand, due to without conducting wire, it is possible to reduce the influence that conducting wire generates, it is diamagnetic dry to improve product
The ability disturbed, to reduce power frequency magnetic field interference.
Fig. 8 is comparative example, and in the example, the sampling foot 31 ', 32 ' of sampling resistor piece 3 ' is provided in 3 ' edge of sampling resistor piece
Same one side of sample rate current flow direction and there is no bending, this structure, can also will sampling foot 31 ', 32 ' directly and PCB
The welding of plate 5 ' is mutually fixed, and after connection, in vertical state with pcb board 5 ', still, splitter connects sampling resistor piece 3 ' with pcb board
Annular (dotted line frame S11 ') area of formation is larger；Under actual electricity box operating mode, induced current is generally in 50mA~80mA, greatly
Start standard in electric energy meter and require 20mA, lead to ammeter erroneous judgement, there is no actually electricity consumption ammeter electric energy accumulative.
When the sampling foot 31,32 of splitter is bent into substantially vertical with splitter so that copper-manganese piece 3 and pcb board 5 are substantially
After parallel, power frequency magnetic field interference can be improved；As shown in figure 9, splitter connects the annular (dotted line to be formed with pcb board
Frame S11) area compare comparative example connection type formed annulus area (S11 ') be obviously reduced；But it still results in
It is poor that metering is misunderstood.
Therefore, it using the copper-manganese piece 3 of splitter and the substantially parallel this structure of pcb board 5, is only capable of interfering power frequency magnetic field
Improved, can't be eliminated, in order to eliminate power frequency magnetic field interference, the present invention is further used is arranged one in copper-manganese piece 3
The first through hole i.e. strip hole 33 of sampling resistor piece is penetrated in thickness direction, which will be relative in direction of current flow
The entity part 34,35 of the copper-manganese piece on both sides is divided into the entity part of the copper-manganese piece on both sides roughly equal and by strip hole
Bulge loop structure is formed after the thickness direction difference bending of splitter；Meanwhile pcb board 5 is designed to matched structure.
As shown in Figure 10 to Figure 15, the sampling foot 31,32 being used for the splitter of the relay is equipped on pcb board 5
Weld mutually fixed pad 51；Two of the splitter of relay sampling feet 31,32 are respectively welded that be fixed on pcb board 5 right
At the pad 51 answered, and keep sampling resistor piece and the pcb board substantially parallel.Computation chip 52 is also equipped on the pcb board 5,
It is additionally provided with deposited copper wire 53 between the pad 51 and computation chip 52, is additionally provided on the pcb board of close position for applying copper wire 53
The second through-hole 54 for penetrating pcb board two sides, when two sampling 31,32 pads corresponding with pcb board of foot of the splitter of relay
When 51 welding are mutually fixed, one therein deposited copper wire L2 is allowed to be divided into projection of the sampling resistor piece on pcb board roughly the same
Two regions, and in the bulge loop structure of the entity part of the sampling resistor piece on the both sides, protrusion direction is identical as sampling foot
Bulge loop structure pass through the second through-hole of the pcb board and the highest part of bulge loop structure made to appear in the another side of pcb board, institute
Another side and the sampling resistor piece for stating pcb board are opposite facing.
In the present embodiment, in the bulge loop structure of the entity part of the sampling resistor piece on both sides, protrusion direction and sampling foot
Identical bulge loop structure only there are one, i.e. the bulge loop structure 341 of the entity part 34 of copper-manganese piece, therefore, pcb board 5 be adapted to the
Two through-holes 54 also only need one.
As shown in figure 14 (wherein, in figure × indicate that a certain moment that power frequency magnetic field generates is the inside magnetic of vertical paper
Induction and its direction), after sampling resistor piece carries out the abnormity processing bended up and down, direction is formd in sampling resistor piece
The bulge loop structure 341 of pcb board 5 and backwards the bulge loop structure 351 of pcb board 5, by the deposited copper wire in bulge loop structure 341 and pcb board 5
A1B1 sections form respectively loop S21 and loop S22, and intermediate ring road S21 is surrounded by A1C1B1, and loop S22 is surrounded by A1D1B1,
Loop S21 and loop S22 is the opposite circuit of electric current, the induced current I that loop S21 and loop S22 are formed21With I22Size base
This quite direction is cancelled out each other on the contrary, to eliminate power frequency magnetic field interference.It is vertical when a certain moment that power frequency magnetic field generates
When the outside magnetic induction intensity of paper, can equally it cancel out each other.
Present invention employs the thickness being designed to the entity part of the sampling resistor piece on the both sides of strip hole in splitter
Direction forms bulge loop structure after distinguishing bending, and the protrusion direction of the bulge loop structure of the entity part of the sampling resistor piece on both sides is set
It is opposite；This structure of the present invention can utilize the correlation of the deposited copper wire and bulge loop structure of pcb board so that formed
The induced current of loop cancel out each other, to eliminate power frequency magnetic field interference.
As shown in figure 15 (wherein, in figure × indicate that a certain moment that power frequency magnetic field generates is the inside magnetic of vertical paper
Induction and its direction), since splitter middle section point is lacked, since abnormity processing is stepped down to PCB circuit board 5 and from core
The sampling line (applying copper wire L2) that piece 52 is drawn connected drawing for splitter from the centre position corresponding to sampling resistor piece through the past
Go out foot 32, therefore the equivalent area of splitter (being surrounded by A2B2C2D2) is divided into two parts by deposited copper wire L2, forms both direction phase
Anti- circuit, the induced current I in the circuit of formation1With I2It cancels out each other on the contrary in the of substantially equal direction of size.When power frequency magnetic field generates
A certain moment when being the outside magnetic induction intensity of vertical paper, can equally cancel out each other.
In order to reach best elimination magnetic disturbance effect, in design, deposited copper wire L2 is designed in sampling resistor on piece
Projection be strip hole 33 is divided into two equal regions by the center of strip hole 33, and using copper wire L2 is applied, meanwhile,
So that the equivalent area (being surrounded by A2B2C2D2) of splitter is divided into two equal parts by copper wire L2 is applied.Moreover, two are adopted
Sample foot 31,32 is designed to the center relative to strip hole 33 at 180 degree rotational symmetry.
Present invention employs penetrate the first through hole of sampling resistor piece i.e. in thickness direction equipped with one in sampling resistor piece
The entity part of sampling resistor piece relative to the both sides in direction of current flow is divided into substantially phase by strip hole, the strip hole
Deng；This structure of the present invention is divided due to splitter middle section and is lacked, in this manner it is possible to which the deposited copper wire using pcb board will be adopted
The equivalent area of sample resistor disc is divided into two parts, so that the induced current in be formed two circuits is cancelled out each other, to eliminate
Power frequency magnetic field interferes.
Embodiment two
Shown in Figure 16 to Figure 18, a kind of splitter, relay and electronic electric energy meter of the invention, with example one
The difference is that in splitter, the bulge loop structure of the entity part of the sampling resistor piece on the both sides is relative to electric current
The position that is staggeredly located on flow direction.That is, the entity part 35 of the bulge loop structure 341 of the entity part 34 of copper-manganese piece and copper-manganese piece
Bulge loop structure 351 relative to the position that is staggeredly located in direction of current flow.
Embodiment three
Shown in Figure 19 to Figure 20, a kind of splitter, relay and electronic electric energy meter of the invention, with example one
The difference is that in splitter, the sampling foot 32 close to one end of the second conductive sheet 2 is arranged to sides different from pin 21,
Be arranged to one side opposite with pin 21, close to the first conductive sheet 1 one end sampling foot 31 be arranged to 21 same side of pin,
In this way, just no close to pin 21 with the sampling foot 31 on side with pin 21.
Example IV
Shown in Figure 21 to Figure 22, a kind of splitter, relay and electronic electric energy meter of the invention, with example one
The difference is that two sampling feet are respectively provided at the end positions relative to direction of current flow of first through hole, that is, adopt
Sample foot 31 and sampling foot 32 are in the both ends relative to direction of current flow of strip hole 33 respectively.
Embodiment five
Shown in Figure 23 to Figure 29, a kind of splitter, relay and electronic electric energy meter of the invention, with example one
The difference is that the protrusion direction of the bulge loop structure of the entity part of the sampling resistor piece on both sides is set as identical, and with two
A sampling foot is in the same face of sampling resistor piece, the protrusion direction of the bulge loop structure 341 of the entity part 34 of copper-manganese piece with
The protrusion direction of the bulge loop structure 351 of the entity part 35 of copper-manganese piece is identical, and the bending outgoing direction for sampling foot 31,32 with two
It is identical.
As shown in figure 29 (wherein, in figure × indicate that a certain moment that power frequency magnetic field generates is the inside magnetic of vertical paper
Induction and its direction), by the A for applying copper wire on pcb board 53H sections (equivalent virtualization is bent with the bulge loop of the entity part of copper-manganese piece
Line D3OE) structure is associated, is respectively formed loop S31, loop S32, loop S33, loop S31With loop S33The induced current of formation
I31And I33After cumulative again with loop S32The induced current I of formation32It cancels out each other, to eliminate power frequency magnetic field interference.Wherein,
Loop S31By A3B3C3D3It surrounds, loop S32By D3EO is surrounded, loop S33It is surrounded by EFGH.When certain a period of time that power frequency magnetic field generates
When quarter is vertical paper outside magnetic induction intensity, induced current I31、I33With I32Current direction on the contrary, equally can be mutual
It offsets.
The mode that power frequency magnetic field interference is eliminated in another direction is identical as embodiment one (such as Figure 15).
Embodiment six
Shown in Figure 30 to Figure 31, a kind of splitter, relay and electronic electric energy meter of the invention, with example one
The difference is that sampling resistor piece 3 is the exit for being connected directly between relay 4 by the first conductive sheet 1.
Embodiment seven
Shown in Figure 32, a kind of splitter, relay and electronic electric energy meter of the invention, the difference with example one
Place is that two sampling feet 31,32 are the same sides along sample rate current flow direction for being respectively provided at sampling resistor piece.
Embodiment eight
Shown in Figure 33, a kind of splitter, relay and electronic electric energy meter of the invention, the difference with example seven
Place is that sampling resistor on piece does not set first through hole and bulge loop structure.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
Disclosed above with preferred embodiment, however, it is not intended to limit the invention.Any technical person familiar with the field is not taking off
In the case of from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, every without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (18)
1. a kind of splitter, including sampling resistor piece that high resistivity material is made；In sampling resistor piece relative to adopting
The front and back position of sample electric current flowing is respectively equipped with a sampling foot；It is characterized in that：Two sampling feet are arranged respectively to and sample
Resistor disc is substantially vertical, and two sampling feet are in the same face of sampling resistor piece, to be used for directly and pcb board as weld part
It mutually welds, and keeps sampling resistor piece and the pcb board that mutually welds substantially parallel；One is additionally provided in sampling resistor piece in thickness direction
Penetrate the first through hole of sampling resistor piece so that on relative to direction of current flow, the sampling resistor piece on first through hole both sides
Entity part be divided into two parts；At least one of entity part of the sampling resistor piece on the first through hole both sides also exists
Bulge loop structure is formed after thickness direction bending, and the bending direction of at least one bulge loop structure and sampling foot are coplanar.
2. splitter according to claim 1, it is characterised in that：The entity of the sampling resistor piece on the first through hole both sides
Part is divided into roughly equal.
3. splitter according to claim 1 or 2, it is characterised in that：The sampling resistor piece on the first through hole both sides
The protrusion direction of the bulge loop structure of entity part is set as identical.
4. splitter according to claim 1 or 2, it is characterised in that：The sampling resistor piece on the first through hole both sides
The protrusion direction of the bulge loop structure of entity part is set as opposite.
5. splitter according to claim 3, it is characterised in that：The entity of the sampling resistor piece on the first through hole both sides
Partial bulge loop structure aligns relative to the position in direction of current flow.
6. splitter according to claim 4, it is characterised in that：The entity of the sampling resistor piece on the first through hole both sides
Partial bulge loop structure aligns relative to the position in direction of current flow.
7. splitter according to claim 3, it is characterised in that：The entity of the sampling resistor piece on the first through hole both sides
Partial bulge loop structure is relative to the position that is staggeredly located in direction of current flow.
8. splitter according to claim 4, it is characterised in that：The entity of the sampling resistor piece on the first through hole both sides
Partial bulge loop structure is relative to the position that is staggeredly located in direction of current flow.
9. splitter according to claim 1 or 2, it is characterised in that：Described two sampling feet are respectively provided at sampling resistor
The two sides along sample rate current flow direction of piece.
10. splitter according to claim 1 or 2, it is characterised in that：Described two sampling feet are respectively provided at sampling resistor
A side along sample rate current flow direction of piece.
11. splitter according to claim 1 or 2, it is characterised in that：Described two sampling feet are respectively provided at first through hole
The end positions relative to direction of current flow.
12. a kind of relay, it is characterised in that：Any right is wanted in exit and such as claim 1 to 11 including relay
Seek the splitter, the wherein one end at the both ends along sample rate current flow direction of the sampling resistor piece and relay
Exit is connected.
13. relay according to claim 12, it is characterised in that：The relay further includes the first conductive sheet and second
The both ends of conductive sheet, the sampling resistor piece are connected with the first conductive sheet, the second conductive sheet respectively, and the splitter passes through
One conductive sheet is connected to the exit of relay.
14. relay according to claim 13, it is characterised in that：First conductive sheet is by the first conductive fragment and the
Two conductive fragments are constituted, wherein the second conductive fragment and the sampling resistor piece are set as same plane, the first conductive fragment and the
Two conductive fragments are perpendicular, and the splitter is connected to the exit of relay by the first conductive fragment.
15. a kind of electronic electric energy meter, it is characterised in that：Including pcb board and such as any claim institute in claim 1 to 11
The splitter or the relay as described in claim 12 or 13 or 14 stated；The pcb board, which is equipped with, to be used for and sampling electricity
The sampling foot for hindering piece welds mutually fixed pad；Two sampling feet of the sampling resistor piece, which are respectively welded, is fixed on pcb board pair
At the pad answered, and keep splitter and the pcb board substantially parallel.
16. electronic electric energy meter according to claim 15, it is characterised in that：It is also equipped with computation chip on the pcb board,
Be additionally provided with deposited copper wire between the pad and computation chip, and a deposited copper wire therein by sampling resistor piece on pcb board
Projection is divided into two regions.
17. electronic electric energy meter according to claim 16, it is characterised in that：A deposited copper wire therein will sample
Projection of the resistor disc on pcb board is divided into two roughly the same regions.
18. electronic electric energy meter according to claim 15, it is characterised in that：It is additionally provided on the pcb board and penetrates pcb board
Second through-hole on two sides, when two sampling feet pad solder corresponding with pcb board of splitter is mutually fixed, the both sides are adopted
In the bulge loop structure of the entity part of sample resistor disc, at least one bulge loop structure passes through the second through-hole of the pcb board and makes
The highest part of bulge loop structure appears in the another side of pcb board, and the another side and sampling resistor piece of the pcb board are opposite facing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647812.XA CN105353184B (en) | 2015-10-09 | 2015-10-09 | A kind of splitter, relay and electronic electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647812.XA CN105353184B (en) | 2015-10-09 | 2015-10-09 | A kind of splitter, relay and electronic electric energy meter |
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| Publication Number | Publication Date |
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| CN105353184A CN105353184A (en) | 2016-02-24 |
| CN105353184B true CN105353184B (en) | 2018-11-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109557364A (en) * | 2018-11-30 | 2019-04-02 | 厦门宏发电力电器有限公司 | It is a kind of can anti-magnetic interference electronic electric energy meter |
| CN111693769A (en) * | 2019-03-15 | 2020-09-22 | 宁波三星智能电气有限公司 | Electric energy meter |
| CN111830301B (en) * | 2019-04-23 | 2023-03-31 | 宁波三星智能电气有限公司 | Electric energy meter |
| CN114360963A (en) * | 2021-12-30 | 2022-04-15 | 厦门宏发电力电器有限公司 | Electromagnetic relay capable of metering and electronic electric energy meter thereof |
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| CN205210141U (en) * | 2015-10-09 | 2016-05-04 | 厦门宏发电力电器有限公司 | Splitter vane , relay and electronic electric energy meter |
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| CN202815037U (en) * | 2012-09-28 | 2013-03-20 | 厦门宏发电力电器有限公司 | Electronic electric energy meter capable of reducing interference on current divider caused by alternating magnetic filed |
| CN203587681U (en) * | 2013-10-25 | 2014-05-07 | 厦门宏发电力电器有限公司 | Electronic electric energy meter resistant to magnetic-field interference |
| CN103630716B (en) * | 2013-11-26 | 2016-04-06 | 厦门宏发电力电器有限公司 | A kind of anti-interference shunt and electronic electric energy meter thereof |
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