CN104466817B - Installation device capable of improving online operation of low-voltage users - Google Patents
Installation device capable of improving online operation of low-voltage users Download PDFInfo
- Publication number
- CN104466817B CN104466817B CN201410734247.6A CN201410734247A CN104466817B CN 104466817 B CN104466817 B CN 104466817B CN 201410734247 A CN201410734247 A CN 201410734247A CN 104466817 B CN104466817 B CN 104466817B
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- Prior art keywords
- line
- insulated conductor
- core
- horizontal
- branch terminal
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- 238000009434 installation Methods 0.000 title abstract description 12
- 239000004020 conductor Substances 0.000 claims description 61
- 238000009413 insulation Methods 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000008719 thickening Effects 0.000 claims description 5
- 230000035807 sensation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 239000008358 core component Substances 0.000 abstract 4
- 239000000306 component Substances 0.000 abstract 3
- 239000010410 layer Substances 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 7
- 230000032683 aging Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Landscapes
- Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention relates to an installation device capable of improving online operation of low-voltage users. The device comprises a branching terminal box, multiple electric energy meter components connected with the branching terminal box through insulated wires, a line inlet channel, a line outlet channel and a guiding component, wherein each insulated wire comprises a rubber sleeve and at least one set of core components, each cable core component comprises an insulating sleeve and two core wires, and each core wire comprises a first cable core, at least six second cable cores and a protecting layer. The device has the advantages that due to the fact that each insulated wire is formed in the mode that at least one set of cable core components is placed in the corresponding rubber sleeve and each cable core component is provided with the two core wires with the same sectional area, the insulating effect and strength of the insulated wires are improved, and damage to the insulated wires during installation is avoided; due to the fact that the insulated wires are guided into the branching terminal box through the line inlet channel and then guided into the electric energy meter components through the line outlet channel and a line outlet pipeline, the phenomenon existing in the prior art that insulated wires are arranged disorderly is avoided.
Description
Technical field
The present invention relates to a kind of erecting device for improving the on line operation of low pressure family.
Background technology
It is more that low-voltage platform area is user's self-built housing, the equal irregular alignment of window, door, installs pre- to common vertical setting of types family on line
The space stayed is less, is required for bypassing windowsill OR gate frame with sleeve pipe every time, had so both increased engineering cost or had affected project progress,
And the defect of family on line is also not easy to be found in tour in sleeve pipe, and user's external wall construction arbitrarily removes family on line road, makes
It is in disorder into family on line, bring larger hidden danger to the safe operation of family on line.
The content of the invention
The technical problem to be solved in the present invention is just to provide a kind of erecting device of raising low pressure family on line operation, can be very
The good tour for solving to exist when existing low pressure family on line is tapped is difficult, and family on line is distributed in disorder defect.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions：One kind improves low pressure family connection
The erecting device of line operation, including line branch terminal case, several power meter groups for being connected with line branch terminal case by insulated conductor
Part, the insulated conductor includes that rubber sleeve, least one set are built in the cable core assembly in rubber sleeve, the cable core assembly bag
Include insulation sleeve, two be built in insulation sleeve inner section and accumulate equal heart yearn, the heart yearn includes the first core, at least six roots of sensation cladding
The second core on the first core lateral wall, the protective layer being coated on the outside of the second core, are provided with one layer in the insulation sleeve
For the detached partition assembly of two heart yearns, the line branch terminal case is provided with least one and enters line passage, the line branch terminal
The bottom of case is provided with one and goes out line passage, it is described go out line passage be provided with several outlet pipelines for being easy to insulated conductor to wear,
The outlet pipeline is built in electric energy meter component, and the bottom of the electric energy meter component is provided with one and is easy on electric energy meter component absolutely
Edge conducting wire tapping is extremely with indoor guidance set.
Preferably, it is described enter line passage include being fixedly connected on guide plate, insulating sheath on line branch terminal case, it is described absolutely
The front end of edge sheath is built in line branch terminal case through after guide plate, and the guide plate is provided with least one by insulated conductor
The fixing groove being fixed on guide plate, the line branch terminal case is provided with fixing hole, and protective case is provided with the fixing hole, improves
The inlet wire effect of insulated conductor, the damage of insulated conductor when reducing inlet wire, security performance is high, and on guide plate metallic channel sets
Put, simple structure, easy installation and removal, the damage of insulated conductor when the setting of protective case reduces fixed.
Preferably, it is described go out line passage include being fixedly connected on vertical connecting tube on line branch terminal case, horizontal connection tube,
The connecting portion being fixedly connected between vertical connecting tube and horizontal connection tube, the horizontal connection tube is provided with several and connects
Head, is provided with some pieces of horizontal baffles in the jointing, per horizontal baffle described in block on be equipped with one and wear for insulated conductor
If through hole, the spacing between adjacent two pieces of horizontal baffles is equal, and the outlet pipeline is arranged on the bottom of jointing, also may be used
So that outlet pipeline and jointing to be wholely set, outlet distribution is convenient, different user installations is adapted to, by jointing
It is arranged to some horizontal baffles, it is ensured that the insulated conductor marshalling being switched on different user, is easy to operator to tap,
As a result simple, what is reduced insulated conductor and the contact of air and occur is aging, improves the service life of insulated conductor, safely
Performance is high, reduces maintenance.
Preferably, the cross section of the jointing is T-shaped, and the outlet pipeline is threadedly secured to jointing
On, the diameter of the outlet pipeline is equal to the gap between adjacent two pieces of horizontal baffles, and the jointing is provided with label, just
Wear in insulated conductor, threaded connection is reliable, easy installation and removal, be easy to maintenance, the setting of label, operator when being easily installed
The observation of member, by the diameter of outlet pipeline the gap between adjacent two pieces of horizontal baffles is equal to, it is ensured that insulated conductor wears,
Reduce the damage of insulated conductor.
Preferably, the guidance set includes fixed plate, dismountable cover plate is arranged in fixed plate, in the fixed plate
Some gathering sills are provided with, the cover plate is provided with the nameplate for showing user's sign, and guide effect is good, can be by electric energy meter component
The insulated conductor of upper tap is tapped into multiple with indoor, and tap is convenient, and operation is reliable, and security performance is high, reduces damages, sign
The setting of board, can guarantee that the tap quality of each user, and cover plate is arranged to removably, to be easy to follow-up maintenance.
Preferably, the cross section of the fixed plate and cover plate is L-shaped, and the horizontal part of the cover plate is fixed by screw and connected
It is connected on the vertical portion of fixed plate, the horizontal part of the fixed plate is provided with the step for being easy to cover plate to install, and sets on the step
There are several locating dowels, the vertical portion of the cover plate is provided with setting for the location hole coordinated with locating dowel, locating dowel and location hole
Put, improve sealing property, mode connects for screw reliability, easy installation and removal.
Preferably, the lateral wall of first core is provided with one layer of fixed layer, and the fixed layer is glue, is easy to second
Core is fixed on the first core, it is also possible to be fixed by other fixed forms, glue good fixing effect, stability
It is good.
Preferably, the partition assembly include respectively can extrude deformation the first connection sheet and the second connection sheet, at least one
Block is arranged on the contiguous block of the first connection sheet and the second connection sheet, the middle part of first connection sheet and the middle part of the second connection sheet
Circular arc is, thickening washer is provided with the middle part of the middle part of first connection sheet and the second connection sheet, simple structure is easy to behaviour
Make personnel and distinguish two heart yearns, improve security performance during tap, using effect is good, and the setting of thickening washer improves resistance
Insulating properties between component.
Preferably, the horizontal connection tube is provided with the securing member that several are fixed on horizontal connection tube on body of wall, just
It is fixed on body of wall in horizontal connection tube, connection is reliable, reduces the damage of horizontal connection tube, easy for installation, reduces level
The damage of connecting tube interior insulation wire, improves service life, and security performance is high.
In sum, advantages of the present invention：Insulated conductor is arranged to into least one set cable core assembly and is built in rubber sleeve
It is interior, and cable core assembly is provided with into into two equal heart yearns of sectional area, the insulation effect of insulated conductor is effectively raised, carry
The high intensity of insulated conductor, it is to avoid insulated conductor damage phenomenon when mounted, insulated conductor is led by entering line passage
To line branch terminal case, the damage of insulated conductor is effectively reduced, improves reliability during tap, and it is logical by outlet
Road and outlet pipeline are directed to the insulated conductor after the connection of line branch terminal case in electric energy meter component, improve the reliability of connection
Property, the phenomenon of the in disorder sequence that existing insulated conductor is present is improved, it is easy to the maintenance operation that operator are follow-up, and by leading
It is tapped into indoor to the insulated conductor in group just electric energy meter component, improves the reliability of tap, reduces insulated conductor
Damage, security performance is high.
Description of the drawings
Below in conjunction with the accompanying drawings the invention will be further described：
Fig. 1 is a kind of structural representation of the erecting device for improving the on line operation of low pressure family of the present invention；
Fig. 2 is the structural representation of insulated conductor of the present invention；
Fig. 3 is the structural representation of cable core assembly of the present invention；
Fig. 4 is the structural representation of jointing of the present invention；
Fig. 5 is the partial enlarged drawing of A in Fig. 1；
Fig. 6 is the structural representation of partition assembly of the present invention；
Fig. 7 is the structural representation of guidance set of the present invention.
Specific embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, a kind of erecting device for improving the on line operation of low pressure family, bag
Include line branch terminal case 1, several electric energy meter components 3 for being connected with line branch terminal case 1 by insulated conductor 2, the insulated conductor 2
The cable core assembly 5 being built in including rubber sleeve 4, least one set in rubber sleeve 4, the cable core assembly 5 include insulation sleeve 51,
Two are built in the inner section of insulation sleeve 51 and accumulate equal heart yearn 52, and the heart yearn 52 includes the first core 521, at least six roots of sensation cladding
The second core 522 on the lateral wall of the first core 521, the protective layer 523 for being coated on the outside of the second core 522, the insulation
One layer is provided with set 51 for the detached partition assembly 53 of two heart yearns 52, the line branch terminal case 1 is provided with least one and enters
Line passage 6, the bottom of the line branch terminal case 1 is provided with one and goes out line passage 7, it is described go out line passage 7 be provided with several and be easy to
The outlet pipeline 8 that insulated conductor 2 wears, the outlet pipeline 8 is built in electric energy meter component 3, the bottom of the electric energy meter component 3
End is provided with one and is easy to insulated conductor 2 on electric energy meter component 3 to be tapped into indoor guidance set 9, it is described enter line passage 6 include
Guide plate 60, the insulating sheath 61 being fixedly connected on line branch terminal case 1, the front end of the insulating sheath 61 passes through guide plate 60
After be built in line branch terminal case 1, the guide plate 60 be provided with least one be easy to insulated conductor 2 fix fixing groove 611,
The line branch terminal case 1 is provided with fixing hole 11, the fixing hole 11 and is provided with protective case 12, improves the inlet wire of insulated conductor
Effect, the damage of insulated conductor when reducing inlet wire, security performance is high, the setting of metallic channel on guide plate, simple structure, installs
Convenient disassembly, the damage of insulated conductor when the setting of protective case reduces fixed, it is described go out line passage 7 include being fixedly connected on point
Vertical connecting tube 71, horizontal connection tube 72 on line terminals case 1, be fixedly connected on vertical connecting tube 71 and horizontal connection tube 72 it
Between connecting portion 73, the connecting portion 73 is the pipeline of section in circular arc, and the horizontal connection tube 72 is provided with some
Individual jointing 74, is provided with some pieces of horizontal baffles 75 in the jointing 74, per horizontal baffle described in block 75 on be equipped with
One through hole 76 worn for insulated conductor 2, the spacing between adjacent two pieces of horizontal baffles 75 is equal, and the outlet pipeline 8 sets
Put in the bottom of jointing 74, the outlet pipeline is a pvc pipe, it is also possible to integrally set outlet pipeline and jointing
Put, outlet distribution is convenient, adapts to different user installations, some horizontal baffles will be arranged in jointing, it is ensured that point
The insulated conductor marshalling being connected on different user, is easy to operator to tap, and as a result simply, reduces insulated conductor with sky
The contact of gas and occur it is aging, improve the service life of insulated conductor, security performance is high, reduces maintenance, the connection
The cross section of joint 74 is T-shaped, and the outlet pipeline 8 is threadedly secured on jointing 74, the outlet pipeline 8 it is straight
Footpath is equal to the gap between adjacent two pieces of horizontal baffles 75, and the jointing 74 is provided with label, is easy to insulated conductor to wear,
Threaded connection is reliable, easy installation and removal, is easy to maintenance, the setting of label, the observation of operator when being easily installed, by outlet
The diameter of pipeline is equal to the gap between adjacent two pieces of horizontal baffles, it is ensured that wearing for insulated conductor, reduces insulated conductor
Damage, the guidance set 9 include fixed plate 91, be arranged in fixed plate 91 dismountable cover plate 92, the fixed plate 91
Some gathering sills 90 are provided with, the cover plate 92 is provided with the nameplate 93 for showing user's sign, and guide effect is good, can be by electricity
The insulated conductor that can be tapped on table component is tapped into multiple with indoor, and tap is convenient, and operation is reliable, and security performance is high, reduces
Damage, the setting of nameplate can guarantee that the tap quality of each user, cover plate is arranged to removably, to be easy to follow-up dimension
Repair, the cross section of the fixed plate 91 and cover plate 92 is L-shaped, and the horizontal part of the cover plate 92 is fixedly connected on by screw
On the vertical portion of fixed board 91, the horizontal part of the fixed plate 91 is provided with the step 94 for being easy to cover plate 92 to install, the step 94
Several locating dowels 95 are provided with, the vertical portion of the cover plate 92 is provided with the location hole 96 coordinated with locating dowel 95, locating dowel
With the setting of location hole, sealing property, mode connects for screw reliability, easy installation and removal, the outside of first core 521 are improve
Wall is provided with one layer of fixed layer 520, and the fixed layer 520 is glue, is easy to the second core to be fixed on the first core, it is also possible to
It is fixed by other fixed forms, glue good fixing effect, stability is good, the partition assembly 53 includes respectively can
First connection sheet 531 and the second connection sheet 532 of crimp, at least one piece be arranged on the first connection sheet 531 and the second connection
The middle part of the contiguous block 533 of piece 532, the middle part of first connection sheet 531 and the second connection sheet 532 is circular arc, described
The middle part of the middle part of the first connection sheet 531 and the second connection sheet 532 is provided with thickening washer 534, and simple structure is easy to operator
Two heart yearns are distinguished, security performance during tap is improve, using effect is good, and the setting of thickening washer improves obstruct component
Between insulating properties, the horizontal connection tube 72 is provided with the securing member that several are fixed on horizontal connection tube 72 on body of wall
721, it is easy to horizontal connection tube to be fixed on body of wall, connection is reliable, reduces the damage of horizontal connection tube, easy for installation, reduces
The damage of horizontal connection tube interior insulation wire, improves service life, and security performance is high.
When using, insulated conductor 2 is sequentially passed through into after line passage 6 and is tapped in line branch terminal case 1,2 points of insulated conductor
It is tapped in electric energy meter component 3 after being connected to after line branch terminal case 1 connects by going out line passage 7 and outlet pipeline 8, connection is different
Insulated conductor 2 by horizontal baffle 75 different in the jointing 74 on horizontal connection tube 72, by horizontal baffle 75
On through hole 76 insulated conductor 2 be directed to after outlet pipeline 8 enter in electric energy meter component 3, electric energy meter component 3 will be exhausted after connecting
Edge wire 2 is tapped into each with indoor by guidance set 9.
Insulated conductor is arranged to into least one set cable core assembly to be built in rubber sleeve, and cable core assembly is provided with into
The equal heart yearn of two sectional areas, effectively raises the insulation effect of insulated conductor, improves the intensity of insulated conductor, it is to avoid
Insulated conductor damage phenomenon when mounted, insulated conductor is directed in line branch terminal case, effectively by entering line passage
The damage of insulated conductor is reduced, reliability during tap is improve, and by going out line passage and outlet pipeline by line branch terminal
Insulated conductor after case connection is directed in electric energy meter component, improves the reliability of connection, is improved existing insulated conductor and is deposited
In disorder sequence phenomenon, be easy to the maintenance operation that operator are follow-up, and by guiding group just electric energy meter component
Insulated conductor is tapped into indoor, improves the reliability of tap, reduces the damage of insulated conductor, and security performance is high.
Claims (7)
1. a kind of erecting device for improving the on line operation of low pressure family, including line branch terminal case (1), several pass through insulated conductor
(2) electric energy meter component (3) being connected with line branch terminal case (1), it is characterised in that：The insulated conductor (2) is including rubber sleeve
(4), least one set is built in the cable core assembly (5) in rubber sleeve (4), the cable core assembly (5) including insulation sleeve (51),
Two are built in insulation sleeve (51) inner section and accumulate equal heart yearn (52), the heart yearn (52) including the first core (521), at least
The second core (522) that the six roots of sensation is coated on the first core (521) lateral wall, the protection being coated on the outside of the second core (522)
Layer (523), one layer is provided with the insulation sleeve (51) for the detached partition assembly (53) of two heart yearns (52), the distribution terminal
Sub- case (1) is provided with least one and enters line passage (6), and the bottom of the line branch terminal case (1) is provided with one and goes out line passage (7),
It is described go out line passage (7) be provided with several outlet pipelines (8) for being easy to insulated conductor (2) to wear, in the outlet pipeline (8)
Put in the electric energy meter component (3), the bottom of the electric energy meter component (3) is provided with one to be easy to be insulated on electric energy meter component (3) and lead
Line (2) is tapped into indoor guidance set (9), it is described enter line passage (6) including being fixedly connected on line branch terminal case (1)
Guide plate (60), insulating sheath (61), the front end of the insulating sheath (61) is built in line branch terminal through after guide plate (60)
In case (1), the guide plate (60) is provided with least one fixing groove (611) being fixed on insulated conductor (2) on guide plate,
The line branch terminal case (1) is provided with fixing hole (11), is provided with protective case (12) in the fixing hole (11), it is described go out line passage
(7) including the vertical connecting tube (71), horizontal connection tube (72) being fixedly connected on line branch terminal case (1), be fixedly connected on it is perpendicular
Connecting portion (73) between direct-connected adapter (71) and horizontal connection tube (72), the horizontal connection tube (72) is provided with several companies
Joint (74), is provided with some pieces of horizontal baffles (75) in the jointing (74), per horizontal baffle described in block (75) on
Be provided with a through hole (76) worn for insulated conductor (2), the spacing between adjacent two pieces of horizontal baffles (75) is equal, it is described go out
Spool road (8) is arranged on the bottom of jointing (74).
2. the erecting device that a kind of raising low pressure family on line according to claim 1 is run, it is characterised in that：The connection
The cross section of joint (74) is T-shaped, and the outlet pipeline (8) is threadedly secured on jointing (74), the outlet-pipe
The diameter in road (8) is equal to the gap between adjacent two pieces of horizontal baffles (75), and the jointing (74) is provided with label.
3. the erecting device that a kind of raising low pressure family on line according to claim 1 is run, it is characterised in that：The guiding
Component (9) including fixed plate (91), be arranged in fixed plate (91) dismountable cover plate (92), the fixed plate (91) is provided with
Some gathering sills (90), the cover plate (92) is provided with the nameplate (93) for showing user's sign.
4. the erecting device that a kind of raising low pressure family on line according to claim 3 is run, it is characterised in that：The fixation
The cross section of plate (91) and cover plate (92) is L-shaped, and the horizontal part of the cover plate (92) is fixedly connected on fixed plate by screw
(91) on vertical portion, the horizontal part of the fixed plate (91) be provided be easy to cover plate (92) install step (94), described
Rank (94) is provided with several locating dowels (95), and the vertical portion of the cover plate (92) is provided with the positioning coordinated with locating dowel (95)
Hole (96).
5. the erecting device that a kind of raising low pressure family on line according to claim 1 is run, it is characterised in that：Described first
The lateral wall of core (521) is provided with one layer of fixed layer (520), and the fixed layer (520) is glue.
6. the erecting device that a kind of raising low pressure family on line according to claim 1 is run, it is characterised in that：The cut-off
Component (53) including can extrude respectively first connection sheet (531) and the second connection sheet (532) of deformation, at least one piece be arranged on the
The contiguous block (533) of a connecting piece (531) and the second connection sheet (532), the middle part of first connection sheet (531) and second connects
Circular arc is in the middle part of contact pin (532), is set in the middle part of the middle part of first connection sheet (531) and the second connection sheet (532)
There is thickening washer (534).
7. the erecting device that a kind of raising low pressure family on line according to claim 1 is run, it is characterised in that：The level
Connecting tube (72) is provided with the securing member (721) that several are fixed on horizontal connection tube (72) on body of wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410734247.6A CN104466817B (en) | 2014-12-04 | 2014-12-04 | Installation device capable of improving online operation of low-voltage users |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410734247.6A CN104466817B (en) | 2014-12-04 | 2014-12-04 | Installation device capable of improving online operation of low-voltage users |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104466817A CN104466817A (en) | 2015-03-25 |
| CN104466817B true CN104466817B (en) | 2017-04-12 |
Family
ID=52912423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410734247.6A Active CN104466817B (en) | 2014-12-04 | 2014-12-04 | Installation device capable of improving online operation of low-voltage users |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104466817B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066467B (en) * | 2016-07-19 | 2019-08-27 | 周瑞芳 | It is a kind of outdoor electrical energy meter fault examine terminal automatically |
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| JP2004274952A (en) * | 2003-03-11 | 2004-09-30 | Auto Network Gijutsu Kenkyusho:Kk | Layout of wire harness |
| CN201222075Y (en) * | 2007-12-27 | 2009-04-15 | 安徽省电力公司阜阳供电公司 | High-reliability low-voltage packaging electric energy meter box |
| JP2012083576A (en) * | 2010-10-13 | 2012-04-26 | Sumitomo Electric Ind Ltd | Optical fiber laying method and pipe connection member for the same |
| CN103259225A (en) * | 2013-04-27 | 2013-08-21 | 河南省电力公司信阳供电公司 | Novel low-voltage coupling box |
| CN203812635U (en) * | 2014-05-06 | 2014-09-03 | 西安西古光通信有限公司 | Optical fiber composite low-voltage cable for indoor wiring |
| CN204190288U (en) * | 2014-12-04 | 2015-03-04 | 国家电网公司 | A kind of erecting device improving low pressure family on line and run |
-
2014
- 2014-12-04 CN CN201410734247.6A patent/CN104466817B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004274952A (en) * | 2003-03-11 | 2004-09-30 | Auto Network Gijutsu Kenkyusho:Kk | Layout of wire harness |
| CN201222075Y (en) * | 2007-12-27 | 2009-04-15 | 安徽省电力公司阜阳供电公司 | High-reliability low-voltage packaging electric energy meter box |
| JP2012083576A (en) * | 2010-10-13 | 2012-04-26 | Sumitomo Electric Ind Ltd | Optical fiber laying method and pipe connection member for the same |
| CN103259225A (en) * | 2013-04-27 | 2013-08-21 | 河南省电力公司信阳供电公司 | Novel low-voltage coupling box |
| CN203812635U (en) * | 2014-05-06 | 2014-09-03 | 西安西古光通信有限公司 | Optical fiber composite low-voltage cable for indoor wiring |
| CN204190288U (en) * | 2014-12-04 | 2015-03-04 | 国家电网公司 | A kind of erecting device improving low pressure family on line and run |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466817A (en) | 2015-03-25 |
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