CN110108910A - A kind of electric energy meter and the electricity box with the electric energy meter - Google Patents
A kind of electric energy meter and the electricity box with the electric energy meter Download PDFInfo
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- CN110108910A CN110108910A CN201910390975.2A CN201910390975A CN110108910A CN 110108910 A CN110108910 A CN 110108910A CN 201910390975 A CN201910390975 A CN 201910390975A CN 110108910 A CN110108910 A CN 110108910A
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- electric energy
- mutual inductor
- energy meter
- firewire
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- 230000005611 electricity Effects 0.000 title claims abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 39
- 230000000149 penetrating effect Effects 0.000 claims abstract description 19
- 238000005192 partition Methods 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 8
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The present invention relates to a kind of electric energy meters, it is equipped in the space that its pedestal and cover enclose for perforative first mutual inductor of firewire, for perforative second mutual inductor of zero curve and the penetrating cable clamp to take voltage, with the first threading hole passed through for firewire and the second threading hole passed through for zero curve on penetrating cable clamp, correspondence offers the first entrance hole and the first outlet hole sequentially passed through for firewire on two side plates of pedestal, and for the second entrance hole and the second outlet hole that zero curve sequentially passes through, first threading hole and the first mutual inductor are located at firewire on the first wiring path of the first entrance hole and the first outlet hole, second threading hole and the second mutual inductor are located at zero curve on the second wiring path of the second entrance hole and the second outlet hole.The invention further relates to a kind of electricity box with above-mentioned electric energy meter.Firewire and zero curve directly can clamp voltage through electric energy meter out, and by puncture line, enable to power meter temperature to keep normal, avoid the possibility occurrence of burning table.
Description
Technical field
The present invention relates to ammeter technical fields, and in particular to a kind of electric energy meter and the electricity box with the electric energy meter.
Background technique
Electric energy meter is the instrument for measuring electric energy, also known as kilowatt-hour meter, energy meter, kilowatt-hour table, refers to the various electricity of measurement
The instrument of amount, at present electric energy meter because compact, precision height, good reliability, it is easy for installation the advantages that, industrial production life in
Using more and more common.
In current electric energy meter such as Patent No. CN201520684815.6 (Authorization Notice No. CN204882667U)
State's utility model patent " electric energy meter ", the electric energy meter include gauge stand, upper cover, terminal box, and the rear and front end of the upper cover bottom is equal
If the gauge stand is equipped with the first clamping boss corresponding with the first grab there are two the first grab, first grab and the
One clamping boss is engaged by clamping, and the terminal box includes box body, bottom plate, connecting terminal, and the box body is equipped with multiple bottom openings
And the placing chamber being arranged in juxtaposition, the connecting terminal are mounted in placing chamber；The front of the placing chamber offers wiring hole, institute
It states and offers handle hole at the top of placing chamber；The bottom secure fit of the bottom plate and box body.
For another example electric energy meter shown in Figure 13 and Figure 14, the electric energy meter include pedestal 1 ' and cover 2 ', pedestal 1 ' and cover 2 '
Terminal box 3 ', mutual inductor 6 ' and circuit board 7 ' are provided in the space enclosed, mutual inductor 6 ' passes through conducting connecting part 61 ' and electricity
Road plate 7 ' is connected, and is provided with the first connecting terminal 41 ', the second connecting terminal 42 ', third connecting terminal 51 ' in terminal box 3 '
And the 4th connecting terminal 52 ', the first connecting terminal 41 ' and the second connecting terminal 42 ' are connected by the first copper piece 43 ', third connects
Line terminals 51 ' and the 4th connecting terminal 52 ' are connected by the second copper piece 53 ', and firewire accesses the interface of the first connecting terminal 41 '
In 411 ', and it is pressed in the interface 411 ' of the first connecting terminal 41 ' by the first screw 44 ', and successively through the first copper piece 43 '
It is picked out with the second connecting terminal 42 '；Zero curve accesses in the interface 511 ' of third connecting terminal 51 ', and passes through the second screw 54 '
Zero curve is pressed in the interface 511 ' of third connecting terminal 51 ', and successively through the second copper piece 53 ' and the 4th connecting terminal 52 '
And pick out, the second copper piece 53 ' is through the through hole for going out mutual inductor 6 ', and in the energized state, the electric current on firewire passes through the first bronze medal
Part 43 ' generate heat, when the first screw 44 ' connect with firewire it is not tight when, can make its contact resistance increasing, thus temperature raising
And there is the case where burning table；Electric current on zero curve generates heat by the second copper piece 53 ', when the second screw 54 ' is connect with zero curve
When not tight, then its contact resistance can be made to increase, loop temperature increases to cause burning table.
Summary of the invention
First technical problem to be solved by this invention is in view of the above-mentioned state of the art, when providing a kind of wiring
Avoid the electric energy meter that the ammeter because of caused by overheat is burnt in turn without screw etc..
First technical problem to be solved by this invention is in view of the above-mentioned state of the art, when providing a kind of wiring
The electricity box that ammeter caused by being avoided without screw, while to reach easy-to-connect because of overheat is burnt.
The present invention solves technical solution used by above-mentioned first technical problem are as follows: a kind of electric energy meter, including pedestal and
The cover being set on the base, it is characterised in that: be provided in the space that the pedestal and cover enclose for firewire perforative the
One mutual inductor, for perforative second mutual inductor of zero curve and the penetrating cable clamp to take voltage, wherein
It is described with the first threading hole passed through for firewire and the second threading hole passed through for zero curve on the penetrating cable clamp
On two side plates of pedestal it is corresponding offer the first entrance hole sequentially passed through for firewire and the first outlet hole and for zero curve according to
Secondary the second entrance hole and the second outlet hole passed through, first threading hole and the first mutual inductor are located at firewire across the first inlet wire
On first wiring path of hole and the first outlet hole, second threading hole and the second mutual inductor are located at zero curve across the second inlet wire
On second wiring path of hole and the second outlet hole.
Two side plates on pedestal can be two side plates being connected, or two side plates positioned opposite are
Facilitating cabling, it is preferable that two side plates of the pedestal are respectively upper plate and lower plate positioned opposite, and on the upper plate
The first outlet hole on one entrance hole and lower plate is oppositely arranged, the second entrance hole on the upper plate and the second outlet in lower plate
Hole is oppositely arranged.In this way, reduce the possibility that firewire and zero curve are bent during cabling, so reduce firewire and
Zero curve is damaged because of bending.
In order to facilitate accommodating penetrating cable clamp, prevent penetrating cable clamp from moving, neighbouring described on the bottom plate of the pedestal
Partition is convexly equipped on the position of lower plate, the partition and the lower plate are positioned opposite, and accommodating is formed between the lower plate
The accommodating cavity of the penetrating cable clamp, have on the partition first through hole corresponding with the first entrance hole and with the second entrance hole
Corresponding second through-hole.
Penetrating cable clamp can also use two clamping plates of mutual pairing, thread for convenience using part is integrally formed
The processing of wire clamp, it is preferable that the penetrating cable clamp includes the clamping plate of two mutual pairings, corresponding on two clamping plates to offer the
One arc groove and the second arc groove are convexly equipped with the first point to the insulating part for puncturing firewire on the inner wall of first arc groove
Thorn portion, is convexly equipped with the second sharp portion of the insulating part to puncture zero curve on the inner wall of second arc groove, two clamping plates
First arc groove is involutory to form first threading hole, and first sharp portion is located at the internal perisporium of first threading hole
On, the second arc groove of two clamping plates is involutory to form second threading hole, and second sharp portion is located at described second
On the internal perisporium of threading hole.
In order to be protected to the firewire part and zero curve part that are located in pedestal and cover enclosed space, it is preferable that institute
It states and is formed with the first guard and the second guard on the bottom plate of pedestal, first guard extends along the first wiring path direction, and
Offer the first passage worn for firewire；Second guard extends along the second wiring path direction, and offers for zero curve
The second channel worn, the first passage and second channel are arranged side by side.In this way, prevent firewire and zero curve it is exposed in pedestal and
In cover enclosed space, reducing electric device in space and generating to destroy etc. on firewire and zero curve influences, to firewire and zero curve into
It has gone and has been effectively protected.
It in order to further avoid, in firewire and zero curve threading process, bends, it is preferable that first guard and
Two guard are in the shape of a rod, and the first passage extends along the axial direction of the first guard, and the second channel is along the second guard
Axial direction extends.Firewire and zero curve are able to more swimmingly pass through linearly the first guard and the second shield in this way
Part, the zero curve part reduced in the possibility and the second guard that the firewire part in the first guard is bent are bent
Possibility.
Further preferably, the first end of first guard is applied in the upper of the pedestal with the first end of the second guard
On plate, accommodating first mutual inductor is formed between the second end of first guard, the second end and partition of the second guard
With the installation cavity of the second mutual inductor, the first through hole on the through hole and partition of first mutual inductor is correspondingly arranged, and described
The second through-hole on through hole and partition on two mutual-inductor is correspondingly arranged.In this way, to positioned at pedestal and cover enclosed space
While interior firewire part and zero curve part is protected, the first mutual inductor and the second mutual inductor are positioned.
There are many connection types of first mutual inductor and the second mutual inductor, it is preferable that first mutual inductor and second is mutually
Sensor is plugged and fixed in the installation cavity.
In order to realize the location and installation of the first mutual inductor, it is preferable that in the second end and partition of first guard respectively
Equipped with the first collar flange and the first annular recess, accordingly, first mutual inductor along its through hole axial direction
Be respectively equipped on the end face at both ends with the first collar flange plug cooperation the second annular recess and with the first annular recess phase
The through hole of the second mating collar flange, second annular recess and the second collar flange and the first mutual inductor is concentric
Setting.
In order to realize the location and installation of the second mutual inductor, it is preferable that in the second end and partition of second guard respectively
Equipped with third collar flange and third annular recess, accordingly, second mutual inductor along its through hole axial direction
Be respectively equipped on the end face at both ends with third collar flange plug cooperation fourth annular groove and with third annular recess phase
Mating fourth annular flange, the fourth annular groove and fourth annular flange and the through hole of the second mutual inductor are concentric
Setting.
The present invention solves technical solution used by above-mentioned second technical problem are as follows: a kind of with above-mentioned electric energy meter
Electricity box, it is characterised in that: it include the cabinet to accommodate electric energy meter, the electric energy meter is hung on the bottom plate of the cabinet,
And the cabinet offers the third entrance hole penetrated for firewire and the 4th inlet wire penetrated for zero curve on the siding of neighbouring upper plate
Hole, the cabinet offer the third outlet hole being pierced by for firewire and the 4th outlet being pierced by for zero curve on the siding of neighbouring lower plate
Hole.
Preferably, breaker, the firewire are provided on the position of neighbouring third outlet hole on the bottom plate of the cabinet
The breaker is both passed through with zero curve and is piercing in except the cabinet through corresponding outlet hole.
In order to facilitate electric energy meter and electricity box wiring, the cabinet at least there are two, and be arranged side by side, the third entrance hole
It connects to form strip-shaped hole with the 4th entrance hole, the strip-shaped hole, the fire is offered on the correspondence siding of the cabinet
Line and zero curve are penetrated by corresponding strip-shaped hole and are threaded through on the intracorporal electric energy meter of corresponding case.
Compared with the prior art, the advantages of the present invention are as follows: firewire and zero curve directly can be through electric energy meters out, and pass through and wear
Thorn wire clamp is got fire the voltage on line and zero curve, gives circuit board power supply, the circuit board circuit under 220V voltage substantially without fever, this
Invention makes firewire, the electric current in zero curve need not move through connecting terminal, copper piece and screw in the prior art, so that electric energy meter
Temperature keeps normal, the possibility that table overheats and then avoids the generation of burning table is avoided, in addition, facilitating between electric energy meter and electricity box
Wiring, it is simple and clear, it is time saving and energy saving, it improves work efficiency.
Detailed description of the invention
Fig. 1 is that electric energy meter of the embodiment of the present invention is installed on the structural schematic diagram in electricity box；
Fig. 2 is the dimensional decomposition structure diagram (being equipped with firewire and zero curve) of electric energy meter；
Fig. 3 is the partial structure diagram of electric energy meter in the embodiment of the present invention；
Fig. 4 is the partial structure diagram of electric energy meter in the embodiment of the present invention；
Fig. 5 is the cross-sectional view (being equipped with firewire and zero curve) of electric energy meter in the embodiment of the present invention；
Fig. 6 is the cross-sectional view of the part-structure of Fig. 5；
Fig. 7 is the structural schematic diagram of electric energy meter pedestal；
Fig. 8 is the structural schematic diagram of another angle of Fig. 7；
Fig. 9 is the structural schematic diagram of the penetrating cable clamp of the embodiment of the present invention；
Figure 10 is the dimensional decomposition structure diagram of Fig. 9；
Figure 11 is the structural schematic diagram of the cabinet of the embodiment of the present invention；
Figure 12 is the connection schematic diagram of main component in electric energy meter of the embodiment of the present invention；
Figure 13 is the dimensional decomposition structure diagram of ammeter in background technique in the embodiment of the present invention；
Figure 14 is the structural schematic diagram of another angle of Figure 13.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 12, the electric energy meter of the embodiment of the present invention includes pedestal 1 and the cover 2 that is arranged on pedestal 1,
The first mutual inductor 31, the second mutual inductor 32, circuit board 7 and to take voltage are provided in the space that pedestal 1 and cover 2 enclose
Penetrating cable clamp 4；Wherein,
As shown in fig. 6, having the through hole 310 passed through for firewire 100,31 energy of the first mutual inductor on the first mutual inductor 31
It is connected with circuit board 7, there is the through hole 320 that passes through for zero curve 200 on the second mutual inductor 32, the second mutual inductor 32 can be with
Circuit board 7 is connected, and the first mutual inductor 31 and the second mutual inductor 32 and the connection of circuit board are similar with Figure 13, the first mutual inductor
31 can be connected by the first conducting connecting part 301 with the first conduct piece of circuit board 7, and the second mutual inductor 32 can be led by second
Electrical connector 302 is connected with the second conduct piece on circuit board 7.
As shown in Figures 3 to 8, correspondence offers the first inlet wire sequentially passed through for firewire 100 on two side plates of pedestal 1
Hole 111 and the first outlet hole 121 and the second entrance hole 112 and the second outlet hole 122 sequentially passed through for zero curve 200, at this
In embodiment, two side plates of pedestal 1 are respectively upper plate 11 and lower plate 12 positioned opposite, the first entrance hole on upper plate 11
111 and lower plate 12 on the first outlet hole 121 be oppositely arranged, the second entrance hole 112 on upper plate 11 and second in lower plate 12
Outlet hole 122 is oppositely arranged, referring to fig. 4 to shown in Fig. 8.
As shown in Figure 7 and Figure 8, partition 14, partition 14 are convexly equipped on the position of neighbouring lower plate 12 on the bottom plate 13 of pedestal 1
It is positioned opposite with lower plate 12, and be formed between lower plate 12 the accommodating cavity 1a of accommodating penetrating cable clamp 4, have on partition 14 and the
The corresponding first through hole 141 of one entrance hole 111 and second through-hole 142 corresponding with the second entrance hole 112.Above-mentioned puncture line
Folder 4 is connected with circuit board 7, and with the first threading hole 4a passed through for firewire 100 on the penetrating cable clamp 4 and for zero curve 200
The the second threading hole 4b passed through,
As shown in Figure 9 and Figure 10, thorn wire clamp 4 includes the clamping plate 41 of two mutual pairings, and two clamping plates 41 pass through connector
43 are fixed together, and in the present embodiment, there are two connectors 43, and correspondence offers the first arc groove 411 on two clamping plates 41
With the second arc groove 412, the first spine of the insulating part to puncture firewire 100 is convexly equipped on the inner wall of the first arc groove 411
Portion 4111, is convexly equipped with the second sharp portion 4121 of the insulating part to puncture zero curve 200 on the inner wall of the second arc groove 412, and two
First arc groove 411 of a clamping plate 41 is involutory to form the first above-mentioned threading hole 4a, and the first sharp portion 4111 is located at first and wears
On the internal perisporium of string holes 4a, the second arc groove 412 of two clamping plates 41 is involutory to form the second above-mentioned threading hole 4b, the second point
Thorn portion 4121 is located on the internal perisporium of the second threading hole 4b, in this way, when firewire and zero curve pass through corresponding threading hole, the first point
Thorn portion 4111 can puncture the insulating part of firewire and be in contact with the conductor of firewire 100, and the second sharp portion 4121 can puncture zero curve
Insulating part and be in contact with the conductor of zero curve 200, so that realizes penetrating cable clamp takes voltage purpose, concrete principle and it is existing in
Penetrating cable clamp principle it is identical.
As shown in fig. 6, the through hole 310 of above-mentioned the first threading hole 4a and the first mutual inductor 31 are located at firewire 100 and pass through
On first wiring path of the first entrance hole 111 and the first outlet hole 121, the second threading hole 4b and the second mutual inductor 32 run through
Hole 320 is located at zero curve 200 on the second wiring path of the second entrance hole 112 and the second outlet hole 122.In order to the bottom of positioned at
Firewire part and zero curve part in seat and cover institute enclosed space are protected, and are formed with the first shield on the bottom plate 13 of pedestal 1
Part 15 and the second guard 16, the first guard 15 extends along the first wiring path direction, and offers first worn for firewire 100
Channel 15a, 100 part of firewire are threaded through in first passage 15a；Second guard 16 extends along the second wiring path direction, and
The second channel 16a worn for zero curve 200 is offered, zero curve 200 is threaded through in second channel 16a, and above-mentioned first
Channel 15a and second channel 16a spacing side by side arrangement, in the present embodiment, the first guard 15 and the second guard 16 are in the shape of a rod,
First passage 15a extends along the axial direction of the first guard 15, and the interior diameter of the first passage 15a of the first guard 15 and fire
The overall diameter of line 100 is adapted；Second channel 16a extends along the axial direction of the second guard 16, and the of the second guard 16
The interior diameter of two channel 16a is adapted with the overall diameter of zero curve 200, shown in Figure 5.
As shown in Fig. 5 to Fig. 8, in order to whole to the firewire part and zero curve part that are located in pedestal and cover institute enclosed space
A to be protected, the first end of the first end of the first guard 15 and the second guard 16 is applied on the upper plate 11 of pedestal 1, the
The first mutual inductor of accommodating 31 and second is formed between the second end of one guard 15, the second end and partition 14 of the second guard 16 mutually
The installation cavity 1b of sensor 32, through hole 310 and the first through hole 141 on partition 14 of the first mutual inductor 31 are correspondingly arranged, and second
Through hole 320 on mutual inductor 32 is correspondingly arranged with the second through-hole 142 on partition 14；The first above-mentioned mutual inductor 31 and second
Mutual inductor 32 is plugged and fixed in installation cavity 1b.
When firewire 100 is worn, which penetrates and is passed sequentially through through the first entrance hole 111 first passage 15a, passes through
It is pierced by after through-hole 310, first through hole 141 and the first threading hole 4a through 121 hole of the first outlet；When zero curve 200 is worn, the zero curve
200 penetrate through the second entrance hole 112 and pass sequentially through second channel 16a, through hole 320, the second through-hole 142 and the second threading
It is pierced by after the 4b of hole through the second outlet hole 122, it is shown in Figure 6.
As shown in Figure 6 to 8, in order to realize the installation of above-mentioned first mutual inductor, the second end and partition of the first guard 15
The first collar flange 151 and the first annular recess 143 are respectively equipped on 14, accordingly, the first mutual inductor 31 is along its through hole
The second annular recess that cooperation is plugged with the first collar flange 151 is respectively equipped on the end face at the both ends of 310 axial direction
311 and the second annular recess 312 of cooperation is plugged with the first annular recess 143, the second annular recess 311 and second is cyclic annular
Groove 312 and the through hole 310 of the first mutual inductor 31 are arranged concentrically.There are many mounting means of above-mentioned first mutual inductor, only needs
It is able to achieve the location and installation purpose of the first mutual inductor.
As shown in fig. 6, the installation in order to realize above-mentioned second mutual inductor, in the second end and partition 14 of the second guard 16
It is respectively equipped with third collar flange 161 and third annular recess 144, accordingly, the second mutual inductor 32 is along its through hole 320
Be respectively equipped on the end face at the both ends of axial direction with third collar flange 161 plug cooperation fourth annular groove 321 and
The fourth annular flange 322 of cooperation, fourth annular groove 321 and fourth annular flange 322 are plugged with third annular recess 144
It is arranged concentrically with the through hole 320 of the second mutual inductor 32.There are many mounting means of above-mentioned second mutual inductor, need to only be able to achieve the
The location and installation purpose of two mutual-inductor.
As shown in Fig. 2, the cover 2 in the present embodiment includes upper end cover 21, middle cover 23 and lower cover 22, middle cover 23
Include the cover board 232 that lid 231 and lid are located on lid 231, be formed with the chamber 2311 installed for module 8 on lid 231,
In the state that cover board 232 is in and is covered on lid 231, module 8 is between lid 231 and cover board 232.
As shown in Fig. 1 and Figure 11, the electricity box with above-mentioned electric energy meter include the cabinet 5 to accommodate electric energy meter, cabinet 5
It there are two at least and is arranged side by side, in the present embodiment, there are four cabinets 5, and is arranged side by side, and is linked in each cabinet 5
Electric energy meter, and electric energy meter is hung on the bottom plate of cabinet 5, is set on the position of neighbouring third outlet hole 51 on the bottom plate of cabinet 5
It is equipped with breaker 6, and cabinet 5 offers the third entrance hole penetrated for firewire 100 and for zero on the side plate of neighbouring upper plate 11
The 4th entrance hole that line 200 penetrates, third entrance hole and the 4th entrance hole connect to form strip-shaped hole 53 up and down, and cabinet 5 is in neighbour
The third outlet hole 51 being pierced by for firewire 100 and the 4th outlet being pierced by for zero curve 200 are offered in the lower wall panels of nearly lower plate 12
Hole 52, when cabling, electric energy that firewire 100 and zero curve 200 are penetrated and are threaded through in corresponding cabinet 5 by corresponding cabinet strip-shaped hole 53
On table, firewire 100 and zero curve 200 be pierced by through the outlet hole of corresponding electric energy meter, after through on breaker 6 and corresponding cabinet 5
Outlet hole and be piercing in except cabinet 5.
As shown in figure 12, there are metering section and other circuits in electric energy meter, under energized state, firewire 100 and zero
Electric current in line 200 passes through corresponding mutual inductor and generates secondary induced current, to use to the metering section in ammeter, punctures
Wire clamp 4 takes voltage to power to the metering section in ammeter with other circuits from firewire 100 and zero curve 200.Above-mentioned
One mutual inductor 31 and the second mutual inductor 32 can use the current transformer of model GRT728DT, can also use other models
Current transformer.
Without terminal box in electric energy meter in this implementation, firewire and zero curve directly can be through electric energy meters out, and pass through puncture line
The voltage on firewire and zero curve is clamped, is powered to circuit board, the circuit board circuit is under 220V voltage substantially without fever, the present invention
Firewire, the electric current in zero curve is set to need not move through connecting terminal, copper piece and screw in the prior art, so that power meter temperature
It keeps normal, the possibility that table overheats and then avoids the generation of burning table is avoided, in addition, facilitating connecing between electric energy meter and electricity box
Line, it is simple and clear, it is time saving and energy saving, it improves work efficiency.
The main connection to be protected for being electric energy meter and firewire and zero curve and electric energy meter and electricity box are such as in above-mentioned the present embodiment
What is connected by firewire with zero curve, wherein involved other circuit connecting relations and circuit connection phase in existing ordinary electric meter
Together, the present embodiment will no longer be described in detail.
Claims (13)
1. a kind of electric energy meter, including pedestal (1) and the cover (2) being arranged on pedestal (1), it is characterised in that: the pedestal (1)
It is provided in the space enclosed with cover (2) for perforative first mutual inductor (31) of firewire (100), perforative for zero curve (200)
Second mutual inductor (32) and the penetrating cable clamp (4) to take voltage, wherein
That there is the first threading hole (4a) passed through for firewire (100) on the penetrating cable clamp (4) and passed through for zero curve (200)
Two threading holes (4b), correspondence offers the first entrance hole sequentially passed through for firewire (100) on two side plates of the pedestal (1)
(111) and the first outlet hole (121) and the second entrance hole (112) and the second outlet hole that are sequentially passed through for zero curve (200)
(122), first threading hole (4a) and the first mutual inductor (31) are located at firewire (100) across the first entrance hole (111) and the
On first wiring path of one outlet hole (121), second threading hole (4b) and the second mutual inductor (32) are located at zero curve (200)
On the second wiring path of the second entrance hole (112) and the second outlet hole (122).
2. electric energy meter according to claim 1, it is characterised in that: two side plates of the pedestal (1) are respectively opposite cloth
The upper plate (11) and lower plate (12) set, the first outlet on the first entrance hole (111) and lower plate (12) on the upper plate (11)
Hole (121) is oppositely arranged, the second outlet hole (122) on the second entrance hole (112) and lower plate (12) on the upper plate (11)
It is oppositely arranged.
3. electric energy meter according to claim 2, it is characterised in that: neighbouring described on the bottom plate (13) of the pedestal (1)
Be convexly equipped on the position of lower plate (12) partition (14), the partition (14) and the lower plate (12) are positioned opposite, and with it is described under
It is formed with the accommodating cavity (1a) for accommodating the penetrating cable clamp (4) between plate (12), has and the first inlet wire on the partition (14)
The corresponding first through hole (141) in hole (111) and the second through-hole corresponding with the second entrance hole (112) (142).
4. electric energy meter according to claim 3, it is characterised in that: the penetrating cable clamp (4) includes two mutual pairings
Clamping plate (41), it is corresponding on two clamping plates (41) to offer the first arc groove (411) and the second arc groove (412), described first
It is convexly equipped with the first sharp portion (4111) of the insulating part to puncture firewire (100) on the inner wall of arc groove (411), described second
The second sharp portion (4121) of the insulating part to puncture zero curve (200), two clamping plates are convexly equipped on the inner wall of arc groove (412)
(41) the first arc groove (411) is involutory to form first threading hole (4a), and first sharp portion (4111) is located at
On the internal perisporium of first threading hole (4a), the second arc groove (412) of two clamping plates (41) is involutory to form described the
Two threading holes (4b), second sharp portion (4121) are located on the internal perisporium of second threading hole (4b).
5. electric energy meter according to claim 3, it is characterised in that: be formed with first on the bottom plate (13) of the pedestal (1)
Guard (15) and the second guard (16), first guard (15) extends along the first wiring path direction, and offers for firewire
(100) first passage (15a) worn；Second guard (16) extends along the second wiring path direction, and offers for zero
The second channel (16a) that line (200) is worn, the first passage (15a) and second channel (16a) are arranged side by side.
6. electric energy meter according to claim 5, it is characterised in that: first guard (15) and the second guard (16) are in
Rod-shaped, the first passage (15a) extends along the axial direction of the first guard (15), and the second channel (16a) is along the second shield
The axial direction of part (16) extends.
7. electric energy meter according to claim 5, it is characterised in that: the first end and the second guard of first guard (15)
(16) first end is applied on the upper plate (11) of the pedestal (1), second end, the second guard of first guard (15)
(16) installation for accommodating first mutual inductor (31) and the second mutual inductor (32) is formed between second end and partition (14)
Chamber (1b), through hole (310) and the first through hole (141) on partition (14) of first mutual inductor (31) are correspondingly arranged, institute
The through hole (320) stated on the second mutual inductor (32) is correspondingly arranged with the second through-hole (142) on partition (14).
8. electric energy meter according to claim 7, it is characterised in that: first mutual inductor (31) and the second mutual inductor (32)
It is plugged and fixed in the installation cavity (1b).
9. electric energy meter according to claim 8, it is characterised in that: the second end and partition (14) of first guard (15)
On be respectively equipped with the first collar flange (151) and the first annular recess (143), accordingly, first mutual inductor (31) along
It is respectively equipped on the end face at the both ends of the axial direction of its through hole (310) and plugs cooperation with the first collar flange (151)
Second annular recess (311) and the second collar flange (312) that cooperation is plugged with the first annular recess (143), described second
Annular recess (311) is arranged concentrically with the second collar flange (312) and the through hole (310) of the first mutual inductor (31).
10. electric energy meter according to claim 8, it is characterised in that: the second end and partition of second guard (16)
(14) third collar flange (161) and third annular recess (144) are respectively equipped on, accordingly, second mutual inductor (32)
It is respectively equipped with to plug with third collar flange (161) on end face along the both ends of the axial direction of its through hole (320) and match
The fourth annular groove (321) of conjunction and the fourth annular flange (322) that cooperation is plugged with third annular recess (144), it is described
Fourth annular groove (321) is arranged concentrically with fourth annular flange (322) and the through hole (320) of the second mutual inductor (32).
11. a kind of electricity box with electric energy meter described in any one of claims 1 to 10 claim, it is characterised in that: packet
The cabinet (5) to accommodate electric energy meter is included, the electric energy meter is hung on the bottom plate of the cabinet (5), and the cabinet (5) exists
The third entrance hole penetrated for firewire (100) and the penetrate for zero curve (200) the 4th is offered on the siding of neighbouring upper plate (11)
Entrance hole, the cabinet (5) offered on the siding of neighbouring lower plate (12) the third outlet hole (51) being pierced by for firewire (100) and
The 4th outlet hole (52) being pierced by for zero curve (200).
12. electricity box shown in 1 according to claim 1, it is characterised in that: in neighbouring third outlet on the bottom plate of the cabinet (5)
It is provided on the position in hole (51) breaker (6), the firewire (100) and zero curve (200) both pass through the breaker (6) simultaneously
It is piercing in except the cabinet (5) through corresponding outlet hole.
13. electricity box shown in 1 according to claim 1, it is characterised in that: the cabinet (5) at least there are two, and be arranged side by side,
The third entrance hole and the 4th entrance hole connect to be formed strip-shaped hole (53), open up on the correspondence siding of the cabinet (5)
Have the strip-shaped hole (53), the firewire (100) and zero curve (200) are penetrated by corresponding strip-shaped hole (53) and be threaded through correspondence
On electric energy meter in cabinet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390975.2A CN110108910A (en) | 2019-05-11 | 2019-05-11 | A kind of electric energy meter and the electricity box with the electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390975.2A CN110108910A (en) | 2019-05-11 | 2019-05-11 | A kind of electric energy meter and the electricity box with the electric energy meter |
Publications (1)
| Publication Number | Publication Date |
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| CN110108910A true CN110108910A (en) | 2019-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910390975.2A Pending CN110108910A (en) | 2019-05-11 | 2019-05-11 | A kind of electric energy meter and the electricity box with the electric energy meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110794180A (en) * | 2019-11-12 | 2020-02-14 | 宁波迦南智能电气股份有限公司 | Wide-range electric energy meter |
| WO2022142342A1 (en) * | 2020-12-31 | 2022-07-07 | 宁波三星医疗电气股份有限公司 | Mounting structure of electric meter box base, and electrical connection structure of electric meter box using same |
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| WO2022142342A1 (en) * | 2020-12-31 | 2022-07-07 | 宁波三星医疗电气股份有限公司 | Mounting structure of electric meter box base, and electrical connection structure of electric meter box using same |
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