CN105428847B - Power circuit earthing or grounding means - Google Patents

Power circuit earthing or grounding means Download PDF

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Publication number
CN105428847B
CN105428847B CN201510850252.8A CN201510850252A CN105428847B CN 105428847 B CN105428847 B CN 105428847B CN 201510850252 A CN201510850252 A CN 201510850252A CN 105428847 B CN105428847 B CN 105428847B
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CN
China
Prior art keywords
parts
grounding means
layer
power circuit
metal
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Active
Application number
CN201510850252.8A
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Chinese (zh)
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CN105428847A (en
Inventor
王微波
谢兵
伍福平
许晓川
郝海泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Chongqing City Power Supply Co of State Grid Chongqing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Chongqing City Power Supply Co of State Grid Chongqing Electric Power Co Ltd
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Publication date
Application filed by State Grid Corp of China SGCC, Chongqing City Power Supply Co of State Grid Chongqing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510850252.8A priority Critical patent/CN105428847B/en
Publication of CN105428847A publication Critical patent/CN105428847A/en
Application granted granted Critical
Publication of CN105428847B publication Critical patent/CN105428847B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12End pieces terminating in an eye, hook, or fork
    • H01R11/14End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/03Contact members characterised by the material, e.g. plating, or coating materials

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  • Prevention Of Electric Corrosion (AREA)

Abstract

The invention discloses a kind of power circuit earthing or grounding means, including insulating bar, metal grab and joint, the joint includes the lower screw rod being connected and the upper mounting seat in concave, the lower screw coaxial stretches into insulating bar and is threadedly coupled, and the metal card hook connects are in upper mounting seat;The outer surface of the metal grab and joint is equipped with anticorrosion combination layer, and the anticorrosion combination layer is included from the interior transition zone set gradually outward, anti-corrosion internal layer and asepticised outer layer;The transition zone is layer of titanium metal;The anti-corrosion internal layer is formed by the composition of tungsten wire array and aluminum oxynitride by vapour deposition, and the weight/mass percentage composition of tungsten wire array is 18% 32% in the composition, the space that tungsten wire array is filled up between aluminum oxynitride particulate in the anti-corrosion internal layer;The present invention has stronger Corrosion Protection, effectively avoids the erosion of external environment, can preferably guide current leakage, meets the heat verification and electrically verification of earthing or grounding means.

Description

Power circuit earthing or grounding means
Technical field
The present invention relates to a kind of power equipment, more particularly to a kind of power circuit earthing or grounding means.
Background technology
Earthing or grounding means be connected on the positions such as electrical appliance enclosure, high-voltage conducting wires in time will be because uneasy caused by a variety of causes Line unit derived from full electric charge or leakage current;In the maintenance process of transmission line of electricity, to prevent from closing on electrical body production Raw electrostatic induction is got an electric shock, must connecting earthing device after line outage;Existing earthing or grounding means generally comprises insulating bar And metal grab, metal grab are connected with insulating bar;In many cases, the use residing for earthing or grounding means, Conservation environment May be not ideal, such as metal grab is easily etched and damaged under corrosive environment, so as to can not preferably guide electric current Leakage, the heat verification and electrically verification of earthing or grounding means are not met.
It is therefore desirable to a kind of power circuit earthing or grounding means, makes it have stronger Corrosion Protection, effectively avoids outer shroud The erosion in border, current leakage can be preferably guided, meet the heat verification and electrically verification of earthing or grounding means.
The content of the invention
In view of this, it is an object of the invention to provide a kind of power circuit earthing or grounding means, stronger anti-corrosion is made it have Corrosion energy, effectively avoid the erosion of external environment, can preferably guide current leakage, meet earthing or grounding means heat verification and electrically Verification.
The power circuit earthing or grounding means of the present invention, including insulating bar, metal grab and for connecting insulating bar With the joint of metal grab, the joint includes the lower screw rod being connected and the upper mounting seat in concave, the lower screw rod Coaxially stretch into insulating bar and be threadedly coupled, the metal card hook connects are in upper mounting seat;The metal grab and joint Outer surface is equipped with anticorrosion combination layer, and the anticorrosion combination layer is included out of the interior transition zone set gradually outward, anti-corrosion Layer and asepticised outer layer;The transition zone is layer of titanium metal;The anti-corrosion internal layer is passed through by the composition of tungsten wire array and aluminum oxynitride Vapour deposition is formed, and the weight/mass percentage composition of tungsten wire array is 18%-32% in the composition, tungsten wire array in the anti-corrosion internal layer The space filled up between aluminum oxynitride particulate;The asepticised outer layer is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight Part meter is made up of following raw material:Zinc nitrate 180-250 parts, zinc dihydrogen phosphate 110-150 parts, zinc oxide 20-30 parts, calcium nitrate 50-70 parts, nickel nitrate 5-8 parts, citric acid 5-8 parts, sodium fluoride 2-5 parts.
Further, the weight/mass percentage composition of tungsten wire array is 24%-26% in the composition.
Further, the phosphating solution for forming the phosphorization membrane is made up of following raw material by weight:Zinc nitrate 210-230 Part, zinc dihydrogen phosphate 120-130 parts, zinc oxide 23-26 parts, calcium nitrate 58-64 parts, nickel nitrate 6-7 parts, citric acid 6-7 parts, fluorine Change sodium 3-4 parts.
Further, the thickness of the transition zone is 0.3 μm -0.8 μm, and the thickness of the anti-corrosion internal layer is 1.2 μm -2.0 μm, The thickness of the asepticised outer layer is 0.5 μm -1.5 μm.
Further, the metal grab is articulated with upper mounting seat.
Further, the insulating bar is adjustable length telescopic structure
Further, the insulating bar includes outer bar and the interior bar being socketed in the outer bar, the lower end of the interior bar Radial positioning hole is provided with, is provided with "convex" shaped alignment pin and stage clip in the positioning hole, the stage clip is located at the positioning hole bottom Between portion and the alignment pin afterbody, be uniformly provided with the bar wall of the outer bar at least two be used for for it is described position pin head part wear The positioning jack crossed.
Further, the metal grab is " J " shaped and provided with the double tongue type spring clip for being used to clamp wire.
Further, it is connected with audible-visual annunciator on the metal grab;The audible-visual annunciator includes acoustic alarm part and light Warning member, the outside of the acoustic alarm part are provided with vocal hole, and the outside of the light alarm part is provided with LED flash.
Further, the bottom of the insulating bar is connected with rubber handle.
Beneficial effects of the present invention:The outer surface of the power circuit earthing or grounding means of the present invention, metal grab and joint is all provided with There is an anticorrosion combination layer, the transition zone in anticorrosion combination layer can improve the adhesive force of anti-corrosion internal layer, and anti-corrosion internal layer has more Add the structure of densification, can effectively delay the infiltration of corrosive substance to corrode, improve corrosion resistance, phosphorization membrane can be in normal temperature Lower formation, process is simple, and labor intensity is low, further enhances the adhesive force of anti-corrosion internal layer, there is provided cleaning, uniformly, without grease and The surface of non-corroding, this structure make the present invention have stronger Corrosion Protection, effectively avoid the erosion of external environment, Neng Gougeng Current leakage is guided well, meets the heat verification and electrically verification of earthing or grounding means.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of the anticorrosion combination layer of the present invention;
Fig. 3 is A direction views in Fig. 1;
Fig. 4 is enlarged drawing at B in Fig. 1.
Embodiment
Embodiment one
As shown in the figure:The power circuit earthing or grounding means of the present embodiment, including insulating bar 1, metal grab 2, and be used for The joint of insulating bar 1 and metal grab 2 is connected, the joint includes the lower screw rod 31 being connected and in the upper of concave Mounting seat 32, the lower screw rod 31 coaxially stretch into insulating bar 1 and are threadedly coupled, and the metal grab 2 is connected to installation Seat 32, lower screw rod 31 is connected with upper mounting seat 32;The outer surface of the metal grab 2 and joint is equipped with anticorrosion combination layer, The anticorrosion combination layer is included from interior the transition zone 9a set gradually outward, anti-corrosion internal layer 9b and asepticised outer layer 9c;The mistake It is layer of titanium metal to cross layer 9a;The anti-corrosion internal layer 9b is formed by the composition of tungsten wire array and aluminum oxynitride by vapour deposition, institute The weight/mass percentage composition for stating tungsten wire array in composition is 18%, and tungsten wire array is filled up between aluminum oxynitride particulate in the anti-corrosion internal layer 9b Space;The asepticised outer layer 9c is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight by following raw material group Into:180 parts of zinc nitrate, 110 parts of zinc dihydrogen phosphate, 20 parts of zinc oxide, 50 parts of calcium nitrate, 5 parts of nickel nitrate, 5 parts of citric acid, fluorination 2 parts of sodium;Wherein, transition zone 9a thickness is 0.3 μm, and anti-corrosion internal layer 9b thickness is 1.2 μm, the thickness of the asepticised outer layer 9c For 0.5 μm;Refer to outward from close to the outer surface of metal grab 2 or joint to its remote outer surface, wherein transition zone 9a from interior Closest to this outer surface;Certainly, the setting of anticorrosion combination layer is also required to ensure the electric conductivity of present apparatus metal grab 2 Can, i.e., anticorrosion combination layer can be not provided with the conducting surface of metal grab 2, or even if setting anticorrosion combination layer, it is also desirable to Conducting end is set simultaneously.
In the present embodiment, the metal grab 2 is articulated with upper mounting seat 32;Metal grab 2 is " J " shaped and provided with for pressing from both sides The double tongue type spring clip 21 of tight wire;The lower end of metal grab 2 stretch into the dead slot position of upper mounting seat 32 and can by bolt, Nut connects, and is realized with this be hinged;The top of insulating bar 1 is provided with the screw being engaged with lower screw rod 31;Metal grab 2 with Joint is hinged, and metal grab 2 can offset the axis side-to-side movement of insulating bar 1, vertical with tilting wire in metal grab 2 In the case of connecting, insulating bar 1 can relatively rotate adjustment and remain the state with horizontal plane, ensure metal Grab 2 has enough contacts area with being connect wire, preferably to guide current leakage, meets heat verification and the electricity of ground wire Gas verifies.
In the present embodiment, the insulating bar 1 is adjustable length telescopic structure;Different voltage class can be directed to Different length is adjusted to, was both easy to use, also allows for storing, transport, the maintenance requirement of different voltage class can be applied to;This In embodiment, the insulating bar 1 includes outer bar 11 and the interior bar 12 that is socketed in the outer bar 11, under the interior bar 12 End is provided with radial positioning hole 12a, is provided with "convex" shaped alignment pin 41 and stage clip 42 in the positioning hole 12a, the stage clip 42 is set Between the positioning hole 12a bottoms and the afterbody of the alignment pin 41, at least two are uniformly provided with the bar wall of the outer bar 11 For the positioning jack 11a passed through for the head of alignment pin 41;Alignment pin is engaged with positioning jack, realize interior bar 12 with it is outer The positioning of bar 11, make insulating bar 1 that there is different length;This is simple in construction, is easily achieved, and meets the inspection of different height Survey, strengthen the versatility of the present apparatus.
In the present embodiment, audible-visual annunciator 5 is connected with the metal grab 2;The audible-visual annunciator 5 includes acoustic alarm Part 51 and light alarm part 52, the outside of the acoustic alarm part 51 are provided with vocal hole 51a, and the outside of the light alarm part 52 is provided with LED flash 52a;Audible-visual annunciator 5 can carry out real-time electrical verification to high-tension line, and be simultaneously emitted by acoustic alarm and light alarm, prevent The security incident of staff's live ground wire only occurs, improves safety in utilization;As shown in Fig. 2 acoustic alarm part 51 It is located at downside in upside, light alarm part 52, after equipment live is detected, acoustic alarm part 51 beeps, while light alarm Part 52 starts LED flash and carries out compartment flicker, fully to warn operating personnel.
In the present embodiment, the bottom of the insulating bar 1 is connected with rubber handle 6;Rubber handle can be protected preferably The safety of staff is demonstrate,proved, and strengthens the comfortableness of operation;In addition, the settable luminous painting of the shaft of the insulating bar 1 Layer (not shown);Luminescent coating is preferably fluorescent material, and fluorescence can be sent under night-environment, is easy to staff to know The position of other earth lead, state.
35 DEG C of neutral salt spray (NaCl concentration 5%) tests are carried out to the earthing or grounding means of the present embodiment, are as a result found, its Corrosion phenomenon is had after 145.5 hours.
Embodiment two
The present embodiment and the structure of embodiment one are substantially the same, and it differs only in the structure of anticorrosion combination layer;At this In embodiment, the weight/mass percentage composition of tungsten wire array is 32% in the composition, and tungsten wire array fills up nitrogen in the anti-corrosion internal layer 9b Space between alumina particulate;The asepticised outer layer 9c is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight It is made up of following raw material:250 parts of zinc nitrate, 150 parts of zinc dihydrogen phosphate, 30 parts of zinc oxide, 70 parts of calcium nitrate, 8 parts of nickel nitrate, lemon Lemon acid 8 parts, 5 parts of sodium fluoride;Wherein, transition zone 9a thickness is 0.4 μm, and anti-corrosion internal layer 9b thickness is 1.3 μm, the anti-corrosion Outer layer 9c thickness is 0.6 μm.
35 DEG C of neutral salt spray (NaCl concentration 5%) tests are carried out to the earthing or grounding means of the present embodiment, are as a result found, its Corrosion phenomenon is had after 152.0 hours.
Embodiment three
The present embodiment and the structure of embodiment one are substantially the same, and it differs only in the structure of anticorrosion combination layer;At this In embodiment, the weight/mass percentage composition of tungsten wire array is 26% in the composition, and tungsten wire array fills up nitrogen in the anti-corrosion internal layer 9b Space between alumina particulate;The asepticised outer layer 9c is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight It is made up of following raw material:230 parts of zinc nitrate, 130 parts of zinc dihydrogen phosphate, 26 parts of zinc oxide, 64 parts of calcium nitrate, 7 parts of nickel nitrate, lemon Lemon acid 7 parts, 4 parts of sodium fluoride;Wherein, transition zone 9a thickness is 0.5 μm, and anti-corrosion internal layer 9b thickness is 1.5 μm, the anti-corrosion Outer layer 9c thickness is 0.7 μm.
35 DEG C of neutral salt spray (NaCl concentration 5%) tests are carried out to the earthing or grounding means of the present embodiment, are as a result found, its Corrosion phenomenon is had after 160.5 hours.
Example IV
The present embodiment and the structure of embodiment one are substantially the same, and it differs only in the structure of anticorrosion combination layer;At this In embodiment, the weight/mass percentage composition of tungsten wire array is 26% in the composition, and tungsten wire array fills up nitrogen in the anti-corrosion internal layer 9b Space between alumina particulate;The asepticised outer layer 9c is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight It is made up of following raw material:230 parts of zinc nitrate, 130 parts of zinc dihydrogen phosphate, 26 parts of zinc oxide, 64 parts of calcium nitrate, 7 parts of nickel nitrate, lemon Lemon acid 7 parts, 4 parts of sodium fluoride;Wherein, transition zone 9a thickness is 0.8 μm, and anti-corrosion internal layer 9b thickness is 2.0 μm, the anti-corrosion Outer layer 9c thickness is 1.5 μm.
35 DEG C of neutral salt spray (NaCl concentration 5%) tests are carried out to the earthing or grounding means of the present embodiment, are as a result found, its Corrosion phenomenon is had after 155.0 hours.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this Among the right of invention.

Claims (9)

1. a kind of power circuit earthing or grounding means, including insulating bar, metal grab and for connecting insulating bar and metal The joint of grab, the joint includes the lower screw rod being connected and the upper mounting seat in concave, the lower screw coaxial are stretched Enter insulating bar and be threadedly coupled, the metal card hook connects are in upper mounting seat;It is characterized in that:The metal grab and connect The outer surface of head is equipped with anticorrosion combination layer, and the anticorrosion combination layer includes from the interior transition zone set gradually outward, prevented Rotten internal layer and asepticised outer layer;The transition zone is layer of titanium metal;The anti-corrosion internal layer is by tungsten wire array and the composition of aluminum oxynitride Formed by being vapor-deposited, the weight/mass percentage composition of tungsten wire array is 18%-32% in the composition, tungsten in the anti-corrosion internal layer The space that sour zirconium is filled up between aluminum oxynitride particulate;The asepticised outer layer is phosphorization membrane, and the phosphating solution for forming the phosphorization membrane is pressed Parts by weight meter is made up of following raw material:Zinc nitrate 180-250 parts, zinc dihydrogen phosphate 110-150 parts, zinc oxide 20-30 parts, nitric acid Calcium 50-70 parts, nickel nitrate 5-8 parts, citric acid 5-8 parts, sodium fluoride 2-5 parts;The thickness of the transition zone is 0.3 μm -0.8 μm, The thickness of the anti-corrosion internal layer is 1.2 μm -2.0 μm, and the thickness of the asepticised outer layer is 0.5 μm -1.5 μm.
2. power circuit earthing or grounding means according to claim 1, it is characterised in that:The quality of tungsten wire array in the composition Percentage composition is 24%-26%.
3. power circuit earthing or grounding means according to claim 2, it is characterised in that:The phosphating solution for forming the phosphorization membrane is pressed Parts by weight meter is made up of following raw material:Zinc nitrate 210-230 parts, zinc dihydrogen phosphate 120-130 parts, zinc oxide 23-26 parts, nitric acid Calcium 58-64 parts, nickel nitrate 6-7 parts, citric acid 6-7 parts, sodium fluoride 3-4 parts.
4. power circuit earthing or grounding means according to claim 3, it is characterised in that:The metal grab is articulated with installation Seat.
5. power circuit earthing or grounding means according to claim 4, it is characterised in that:The insulating bar is that length is variable Telescopic structure.
6. power circuit earthing or grounding means according to claim 5, it is characterised in that:The insulating bar include outer bar and The interior bar being socketed in the outer bar, the lower end of the interior bar are provided with radial positioning hole, "convex" shaped are provided with the positioning hole Alignment pin and stage clip, the stage clip are located between the positioning hole bottom and the alignment pin afterbody, on the bar wall of the outer bar At least two are uniformly provided with to be used for for described positioning the positioning jack that passes through of pin head part.
7. power circuit earthing or grounding means according to claim 6, it is characterised in that:The metal grab is " J " shaped and sets There is the double tongue type spring clip for clamping wire.
8. power circuit earthing or grounding means according to claim 7, it is characterised in that:Acousto-optic is connected on the metal grab Alarm;The audible-visual annunciator includes acoustic alarm part and light alarm part, and the outside of the acoustic alarm part is provided with vocal hole, described The outside of light alarm part is provided with LED flash.
9. power circuit earthing or grounding means according to claim 8, it is characterised in that:The bottom connection of the insulating bar There is rubber handle.
CN201510850252.8A 2015-11-27 2015-11-27 Power circuit earthing or grounding means Active CN105428847B (en)

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Application Number Priority Date Filing Date Title
CN201510850252.8A CN105428847B (en) 2015-11-27 2015-11-27 Power circuit earthing or grounding means

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Application Number Priority Date Filing Date Title
CN201510850252.8A CN105428847B (en) 2015-11-27 2015-11-27 Power circuit earthing or grounding means

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CN105428847A CN105428847A (en) 2016-03-23
CN105428847B true CN105428847B (en) 2018-01-12

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5321379U (en) * 1976-08-03 1978-02-23
JPS608497Y2 (en) * 1980-06-06 1985-03-26 関西電力株式会社 Wire grounding equipment
CN102586730A (en) * 2011-01-17 2012-07-18 鸿富锦精密工业(深圳)有限公司 Film-coated part and preparation method thereof
CN103296500A (en) * 2013-05-29 2013-09-11 国家电网公司 Single-hook double-tongue tightening earthing clamp
CN203491409U (en) * 2013-10-15 2014-03-19 国家电网公司 Telescopic alarm grounding device
CN203631771U (en) * 2013-11-16 2014-06-04 国家电网公司 Angle-adjustable ground wire device
CN204497406U (en) * 2015-04-13 2015-07-22 国家电网公司 High-tension overhead line protective earthing line

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5321379U (en) * 1976-08-03 1978-02-23
JPS608497Y2 (en) * 1980-06-06 1985-03-26 関西電力株式会社 Wire grounding equipment
CN102586730A (en) * 2011-01-17 2012-07-18 鸿富锦精密工业(深圳)有限公司 Film-coated part and preparation method thereof
CN103296500A (en) * 2013-05-29 2013-09-11 国家电网公司 Single-hook double-tongue tightening earthing clamp
CN203491409U (en) * 2013-10-15 2014-03-19 国家电网公司 Telescopic alarm grounding device
CN203631771U (en) * 2013-11-16 2014-06-04 国家电网公司 Angle-adjustable ground wire device
CN204497406U (en) * 2015-04-13 2015-07-22 国家电网公司 High-tension overhead line protective earthing line

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