CN208256305U - The secondary cable and electric energy metering device of electric energy metering device - Google Patents
The secondary cable and electric energy metering device of electric energy metering device Download PDFInfo
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- CN208256305U CN208256305U CN201820996576.1U CN201820996576U CN208256305U CN 208256305 U CN208256305 U CN 208256305U CN 201820996576 U CN201820996576 U CN 201820996576U CN 208256305 U CN208256305 U CN 208256305U
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- voltage line
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- metering device
- energy metering
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Abstract
The utility model relates to electric energy metering device equipment technical field more particularly to the secondary cables and electric energy metering device of a kind of electric energy metering device.The secondary cable of electric energy metering device includes center voltage line, A phase current line group and C phase current line group；Wherein, center voltage line is A phase voltage line or C phase voltage line, and two A phase current lines in A phase current line group are separately positioned on the opposite two sides of center voltage line, and two C phase current lines in C phase current line group are separately positioned on the opposite two sides of center voltage line.Electric energy metering device includes the secondary cable of above-mentioned electric energy metering device.The secondary cable and electric energy metering device of electric energy metering device provided by the utility model have preferable thief-proof electrical property.
Description
Technical field
The utility model relates to the secondary of electric energy metering device equipment technical field more particularly to a kind of electric energy metering device
Cable and electric energy metering device.
Background technique
In order to measure the electricity consumption of client, it (be exactly usually described that electric energy metering device can be installed for client for power supply enterprise
Electric energy meter, batch meter etc.), so electric energy metering device is widely used in every household.
However, the thief-proof electrical property of the secondary cable of the user side electric energy metering device of existing phase three-wire three is poor,
Wire structures are easy to by stealing molecule by way of piercing through cable skin carry out stealing, compromise power supply current line short circuit
The interests of enterprise.
To sum up, how to overcome the drawbacks described above of the secondary cable of the electric energy metering device of existing phase three-wire three is this field
Technical staff's technical problem urgently to be resolved.
Utility model content
The purpose of this utility model is to provide a kind of secondary cable of electric energy metering device and electric energy metering devices, with slow
Solve the technical problem that thief-proof electrical property is poor existing for the secondary cable of the electric energy metering device of phase three-wire three in the prior art.
The secondary cable of electric energy metering device provided by the utility model, including center voltage line, A phase current line group and C
Phase current line group.
Wherein, the center voltage line is A phase voltage line or C phase voltage line, two A phases in the A phase current line group
Current line is separately positioned on the opposite two sides of the center voltage line, two C phase current lines difference in the C phase current line group
The opposite two sides of the center voltage line are set.
Preferably, as an embodiment, the center voltage line is A phase voltage line, B phase voltage line and C phase electricity
Crimping is looped around the side of the A phase voltage line.
Preferably, as an embodiment, the center voltage line is C phase voltage line, A phase voltage line and B phase electricity
Crimping is looped around the side of the C phase voltage line.
Preferably, as an embodiment, the A phase voltage line, the B phase voltage line, the C phase voltage line,
The core of the A phase current line and the C phase current line is single strand of copper wire.
Preferably, as an embodiment, the A phase voltage line, the B phase voltage line, the C phase voltage line,
The wire structures of the A phase current line and the C phase current line are in the shape of a spiral.
Preferably, as an embodiment, the secondary cable of the electric energy metering device further include armouring tape and
Sheath liner, the A phase voltage line, the B phase voltage line, the C phase voltage line, the A phase current line and the C phase current
Line is wrapped in the sheath liner, and the armouring tape is set in lining in the sheath.
Preferably, as an embodiment, it is filled in the sheath liner and the gap of current line or pressure-wire
PP tearing netted gasket for packing.
Preferably, as an embodiment, the secondary cable of the electric energy metering device further includes protection against rodents UV resistance
Line sheath, the protection against rodents antiultraviolet sheath are set on the armouring tape.
Preferably, as an embodiment, the protection against rodents antiultraviolet sheath with a thickness of 1.6mm, the armouring
Steel band with a thickness of 0.2mm, the sheath liner with a thickness of 0.8mm.
Correspondingly, the utility model additionally provides a kind of electric energy metering device, including the secondary of above-mentioned electric energy metering device
Cable further includes electric energy metering device ontology.
The secondary cable is mounted on the electric energy metering device ontology.
Compared with the prior art, the advantages of the utility model are:
The secondary cable of electric energy metering device provided by the utility model is analyzed known to its structure: above-mentioned electrical energy measurement dress
Secondary cable central core pressure-wire, A phase current line group and the C phase current line group composition set.
In the secondary cable of the electric energy metering device of phase three-wire three, one group of A phase current line and one group of C phase current are only existed
Line, without other current lines, so, stealing molecule wants stealing, it is necessary to two A phase current lines or two C phase current lines are shorted,
That is, stealing molecule needs to be pierced through the crust or two C of two A phase current lines with the acicular texture made of conductive material
The crust of phase current line, so that short circuit or making between two C phase current lines short-circuit between two A phase current lines；Because of two A phases
Current line is separately positioned on the opposite side of center voltage line, and two C phase current lines are also set, respectively on the phase of center voltage line
Opposite side, so stealing molecule pierce through A phase current line crust or two C phase current lines crust while, center can be pierced through
The crust of pressure-wire causes center voltage line and A phase current line or C phase current line to be shorted；Because of A phase voltage line and C phase voltage line
There is a voltage and current, therefore A phase voltage phase or C phase voltage line may be selected in center voltage line, in the middle electrocardio crimping and A phase current line
Or it is on fire to cause electric energy metering device when being shorted to current line by C, so that stealing molecule can not succeed, thus, it improves anti-
Stealing performance.
Therefore, the secondary cable of electric energy metering device provided by the utility model has preferable thief-proof electrical property.
The utility model additionally provides a kind of electric energy metering device, the secondary cable including above-mentioned electric energy metering device, also
Including electric energy metering device ontology；The secondary cable is mounted on the electric energy metering device ontology.
Obviously, electric energy metering device provided by the utility model because include above-mentioned electric energy metering device secondary cable,
And have the advantages that all of the secondary cable of above-mentioned electric energy metering device, it is anti-electricity-theft functional.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is during the secondary cable of electric energy metering device provided by the embodiment of the utility model sets A phase voltage line to
The cross-sectional structure schematic diagram of electrocardio crimping；
Fig. 2 is during the secondary cable of electric energy metering device provided by the embodiment of the utility model sets C phase voltage line to
The cross-sectional structure schematic diagram of electrocardio crimping.
Icon: 1-A phase voltage line；2-B phase voltage line；3-C phase voltage line；4-A phase current line；5-C phase current
Line；6-PP tearing netted gasket for packing；7- sheath liner；8- armouring tape；9- protection against rodents antiultraviolet sheath.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that the side of the instructions such as term " center ", "upper", "inner", "outside"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation "
It shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment one
Referring to Fig. 1 and Fig. 2, the present embodiment one provides a kind of secondary cable of electric energy metering device, including center voltage
Line, A phase current line group and C phase current line group.
Wherein, the center voltage line is A phase voltage line 1 or C phase voltage line 3, two A in the A phase current line group
Phase current line 4 is separately positioned on the opposite two sides of the center voltage line, two C phase current lines 5 in the C phase current line group
It is separately positioned on the opposite two sides of the center voltage line.
In the secondary cable of the electric energy metering device of phase three-wire three, one group of A phase current line 4 and one group of C phase electricity are only existed
Streamline 5, without other current lines, so, stealing molecule wants stealing, it is necessary to be shorted two A phase current lines 4 or two C phase electricity
Streamline 5, that is to say, that stealing molecule needs to be pierced through the crust of two A phase current lines 4 with the acicular texture made of conductive material
Or the crust of two C phase current lines 5 so that between two A phase current lines 4 short circuit or make short between two C phase current lines 5
Road；Because two A phase current lines 4 are separately positioned on the opposite side of center voltage line, and two C phase current lines 5 are also set, respectively on
The opposite side of center voltage line, so the crust of A phase current line 4 or the crust of two C phase current lines 5 are pierced through in stealing molecule
Meanwhile the crust of center voltage line can be pierced through, cause center voltage line and A phase current line 4 or C phase current line 5 to be shorted；Because of A phase
Pressure-wire 1 and C phase voltage line 3 have voltage and current, therefore A phase voltage phase or C phase voltage line 3 may be selected in center voltage line, when
When center voltage line and A phase current line 4 or C are shorted to current line, it is on fire all to cause electric energy metering device, so that stealing molecule
It can not succeed, thus, improve thief-proof electrical property.
Therefore, the secondary cable for the electric energy metering device that the present embodiment one provides has preferable thief-proof electrical property.
Embodiment two
Referring to Fig. 1 and Fig. 2, the present embodiment two provides a kind of secondary cable of electric energy metering device, also uses simultaneously
The technical pattern relationship of the secondary cable of electric energy metering device in above-described embodiment one；Such as: the present embodiment two provides one
The secondary cable of kind electric energy metering device, including center voltage line, A phase current line group and C phase current line group；Wherein, in described
Electrocardio crimping is A phase voltage line 1 or C phase voltage line 3, and two A phase current lines 4 in the A phase current line group are separately positioned on
The opposite two sides of the center voltage line, two C phase current lines 5 in the C phase current line group are separately positioned on the center
The opposite two sides of pressure-wire.
The secondary cable for the electric energy metering device that the present embodiment two provides, with the electric energy metering device in embodiment one
The primary structure of secondary cable is identical；But the secondary cable of the electric energy metering device of the offer of the present embodiment two has further related to specifically
Structure design；Such as: increase some technical characteristics.
The specific structure and technical effect of technical solution in relation to the present embodiment two are as follows:
Referring to Fig. 1, when setting A phase voltage line 1 for center voltage line, B phase voltage line 2 and C phase voltage line 3 can all rings
It is wound on the side of A phase voltage line 1, as the specific location of B phase voltage line 2 and C phase voltage line 3, can be set as needed,
For example, the opposite two sides of A phase voltage line 1 can be arranged in B phase voltage line 2 and C phase voltage line 3.
Referring to fig. 2, when setting C phase voltage line 3 for center voltage line, A phase voltage line 1 and B phase voltage line 2 can all rings
It is wound on the side of C phase voltage line 3, as the specific location of A phase voltage line 1 and B phase voltage line 2, can be set as needed,
For example, the opposite two sides of C phase voltage line 3 can be arranged in A phase voltage line 1 and B phase voltage line 2.
It preferably, can be by A phase voltage line 1, B phase voltage line 2, C phase voltage line 3, A phase current line 4 and C phase current line 5
Core is all made of to be manufactured for single strand of copper wire, to reduce cost.
It further, can be by A phase voltage line 1, B phase voltage line 2, C phase voltage line 3, A phase current line 4 and C phase current line 5
It is arranged using spiral helicine wire structures, with reinforcement structure stability.
Armouring tape 8 and sheath liner 7 are additionally provided in specific structure, by A phase voltage line 1, B phase voltage line 2, C phase
Pressure-wire 3, A phase current line 4 and C phase current line 5 are wrapped in sheath liner 7, with using sheath liner 7 to these cables into
The preliminary protection of row, armouring tape 8 is set on sheath liner 7, to increase the mechanical strength of cable, improves erosion prevention.
Particularly, PP tearing netted gasket for packing 6 can be filled in the gap between sheath liner and current line or pressure-wire,
To prevent current line and pressure-wire from shaking in sheath liner；Wherein, PP tearing netted gasket for packing 6 (i.e. polypropylene) is due to structure
Regular and highly crystalline, thus it is heat-resisting, corrosion-resistant, there are higher heat distortion temperature and bigger hardness etc. than polyethylene.
On this basis, it can also set up defences mouse antiultraviolet sheath 9 in 8 housing of armouring tape, ultraviolet light can be effectively prevented
Aging prevents mouse from suffering from and bites, and protection against rodents antiultraviolet sheath 9 can be used high-strength rubber and be made.
Further, 1.6mm can be set by the thickness of protection against rodents antiultraviolet sheath 9, sets the thickness of armouring tape 8 to
The thickness of sheath liner 7 is set 0.8mm by 0.2mm, to reduce the cross section of cable under the premise of guaranteeing that structure needs
Long-pending and cost.
Embodiment three
Correspondingly, referring to Fig. 1 and Fig. 2, the present embodiment three provides a kind of electric energy metering device comprising above-described embodiment
The secondary cable of electric energy metering device involved in two (no longer go to live in the household of one's in-laws on getting married one by one by the specific structure of the secondary cable of the electric energy metering device
State), it also while including electric energy metering device ontology；The secondary cable is mounted on the electric energy metering device ontology.
Obviously, the electric energy metering device that the present embodiment three provides is because including the electric energy metering device in above-described embodiment two
Secondary cable, and have the advantages that all of the secondary cable of above-mentioned electric energy metering device, it is anti-electricity-theft functional.
In conclusion the utility model embodiment discloses the secondary cable and electrical energy measurement dress of a kind of electric energy metering device
It sets, which overcome many technological deficiencies of the secondary cable of traditional electric energy metering device.It is provided by the embodiment of the utility model
The secondary cable and electric energy metering device of electric energy metering device have the technical advantages such as good thief-proof electrical property.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is practical new in this
Within the scope of type and form different embodiments.For example, in claims above, embodiment claimed
It is one of any can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen
Understanding to the general background technology of the utility model, and be not construed as recognizing or implying in any form that the information is constituted
The prior art known to those skilled in the art.In addition, it will be appreciated by those of skill in the art that although described herein
Some embodiments include certain features included in other embodiments rather than other feature, but the spy of different embodiments
The combination of sign means within the scope of the utility model and forms different embodiments.For example, in right above
In claim, embodiment claimed it is one of any can in any combination mode come using.It is disclosed in the back
The information of scape technology segment is merely intended to deepen the understanding to the general background technology of the utility model, and is not construed as holding
Recognize or implies that the information constitutes the prior art known to those skilled in the art in any form.
Claims (10)
1. a kind of secondary cable of electric energy metering device, which is characterized in that including center voltage line, A phase current line group and C phase electricity
Streamline group；
Wherein, the center voltage line is A phase voltage line or C phase voltage line, two A phase currents in the A phase current line group
Line is separately positioned on the opposite two sides of the center voltage line, and two C phase current lines in the C phase current line group are respectively set
In the opposite two sides of the center voltage line.
2. the secondary cable of electric energy metering device according to claim 1, which is characterized in that the center voltage line is A
Phase voltage line, B phase voltage line and C phase voltage line are looped around the side of the A phase voltage line.
3. the secondary cable of electric energy metering device according to claim 1, which is characterized in that the center voltage line is C
Phase voltage line, A phase voltage line and B phase voltage line are looped around the side of the C phase voltage line.
4. the secondary cable of electric energy metering device according to claim 2 or 3, which is characterized in that the A phase voltage line,
The B phase voltage line, the C phase voltage line, the A phase current line and the C phase current line core be single strand of copper wire.
5. the secondary cable of electric energy metering device according to claim 2 or 3, which is characterized in that the A phase voltage line,
The B phase voltage line, the C phase voltage line, the A phase current line and the C phase current line wire structures in the shape of a spiral.
6. the secondary cable of electric energy metering device according to claim 2 or 3, which is characterized in that further include armouring tape
With sheath liner, the A phase voltage line, the B phase voltage line, the C phase voltage line, the A phase current line and the C phase electricity
Streamline is wrapped in the sheath liner, and the armouring tape is set in lining in the sheath.
7. the secondary cable of electric energy metering device according to claim 6, which is characterized in that the sheath liner and electric current
PP tearing netted gasket for packing is filled in the gap of line or pressure-wire.
8. the secondary cable of electric energy metering device according to claim 6, which is characterized in that further include protection against rodents antiultraviolet
Sheath, the protection against rodents antiultraviolet sheath are set on the armouring tape.
9. the secondary cable of electric energy metering device according to claim 8, which is characterized in that the protection against rodents antiultraviolet shield
Set with a thickness of 1.6mm, the armouring tape with a thickness of 0.2mm, the sheath liner with a thickness of 0.8mm.
10. a kind of electric energy metering device, which is characterized in that including such as described in any item electric energy metering devices of claim 1-9
Secondary cable, further include electric energy metering device ontology；
The secondary cable is mounted on the electric energy metering device ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996576.1U CN208256305U (en) | 2018-06-26 | 2018-06-26 | The secondary cable and electric energy metering device of electric energy metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996576.1U CN208256305U (en) | 2018-06-26 | 2018-06-26 | The secondary cable and electric energy metering device of electric energy metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256305U true CN208256305U (en) | 2018-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820996576.1U Active CN208256305U (en) | 2018-06-26 | 2018-06-26 | The secondary cable and electric energy metering device of electric energy metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256305U (en) |
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2018
- 2018-06-26 CN CN201820996576.1U patent/CN208256305U/en active Active
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